CN102337845A - Protection method for rotary drilling rig, controller, protection device and rotary drilling rig - Google Patents
Protection method for rotary drilling rig, controller, protection device and rotary drilling rig Download PDFInfo
- Publication number
- CN102337845A CN102337845A CN2011102718291A CN201110271829A CN102337845A CN 102337845 A CN102337845 A CN 102337845A CN 2011102718291 A CN2011102718291 A CN 2011102718291A CN 201110271829 A CN201110271829 A CN 201110271829A CN 102337845 A CN102337845 A CN 102337845A
- Authority
- CN
- China
- Prior art keywords
- value
- output pressure
- drilling rod
- controller
- higher limit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a protection method for a rotary drilling rig. The rotary drilling rig comprises a drilling stem (5) and a main pump (1) used for driving the drilling stem (5) to rotate. The protection method comprises: detecting the depth of the drilling stem (5) and the first output pressure of the main pump (1); and determining the first upper limit according to the value of depth, comparing the value of the first output pressure and the first upper limit, and when the value of the first output pressure is larger than the first upper limit, reducing the first output pressure of the main pump (1). The invention also provides a controller for realization of the protection method, a protection system and the rotary drilling rig. By adopting the technical scheme, detection and feedback of the pressure output by the main pump are achieved, and when the actual torque born by the drilling stem is larger than the maximum torque the drilling stem can bear, the output of the main pump can be reduced, the actual torque can be lowered, and the deformation of the drilling stem can be avoided.
Description
Technical field
The present invention relates to a kind of guard method and controller, protective device and rotary drilling rig that is used for rotary drilling rig, particularly, relate to a kind of guard method, controller, protective device and rotary drilling rig that the drilling rod of rotary drilling rig is protected.
Background technology
Most of power of rotary drilling rig is provided by main pump, and main pump is to pressurization oil cylinder output pressure, and through the pressurization oil cylinder drilling rod is controlled, and the pressurization oil cylinder produces pressure to drilling rod.
When rotary drilling rig is constructed, need at first adjust the direction of drill bit and pierce direction, pierce the increase of the degree of depth along with boring; Drilling rod is elongated gradually, and the pressure that on the one hand causes bearing diminishes gradually, when drill bit runs into big resistance; Must carry out instantaneous pressurization to drilling rod through the pressurization oil cylinder, with the layer that breaks down all resistance, when pressure that the pressure of instantaneous pressurization can bear greater than drilling rod; Distortion will appear in drilling rod, influence normal construction, in addition; When instantaneous pressurization is carried out in pressurization oil cylinder acquisition instruction; Equipment causes the chassis angle change to the ground compacting after the long working, causes a reference value of bit drills Inbound deviation to occur, owing to the deviation that tilts to cause drilling rod and hole perpendicularity to produce can influence drilling quality; The gradually elongated meeting of drilling rod causes its moment of torsion that can bear to diminish gradually on the other hand, and when peak torque that actual torque that drilling rod bore can bear greater than drilling rod, drilling rod will deform, and influence normal construction.
In the contingent above-mentioned fault of drilling rod, the situation that drilling rod deforms owing to the peak torque that can bear diminishes is the most common.Prior art lacks effective safeguard measure and the device to the contingent above-mentioned fault of drilling rod.
Summary of the invention
The purpose of this invention is to provide a kind of guard method that is used for rotary drilling rig, this guard method can prevent that drilling rod from deforming owing to bearing excessive torque.
To achieve these goals; The present invention provides a kind of guard method of rotary drilling rig; Said rotary drilling rig comprises drilling rod and is used to drive the main pump that this drilling rod rotates that wherein, said guard method comprises: the value of first output pressure of value and said main pump that detects the degree of depth of said drilling rod; Confirm first higher limit according to the value of the said degree of depth, the value and said first higher limit of said first output pressure compared,, reduce by first output pressure of said main pump when the value of said first output pressure during greater than said first higher limit.
In addition, another object of the present invention provides a kind of controller that is used to protect rotary drilling rig, thereby this controller can be realized above-mentioned guard method protection drilling rod.
To achieve these goals; The present invention also provides a kind of controller that is used to protect rotary drilling rig; Said rotary drilling rig comprises drilling rod and is used to drive the main pump that this drilling rod rotates, and said controller comprises and be used for first controller that first output pressure of said main pump is adjusted that this first controller comprises first input module, first processing module and first control module that connects successively; Wherein
Said first input module is used to receive the value of first output pressure of value and said main pump of the degree of depth of said drilling rod, and the value of first output pressure of the value of the degree of depth of said drilling rod and said main pump is sent to said first processing module;
Said first processing module is used for confirming first higher limit, the value of said first output pressure and said first higher limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value greater than said first higher limit of said first output pressure that said first control module is used at comparative result, reduces by first output pressure of said main pump.
In addition, another object of the present invention provides a kind of protective device that is used for rotary drilling rig, and this protective device is realized the mistake of drilling rod is turned round protection through above-mentioned controller of the present invention.
To achieve these goals; The present invention also provides a kind of protective device that is used for rotary drilling rig; Said rotary drilling rig comprises drilling rod and is used to drive the main pump that this drilling rod rotates; Wherein, said protective device comprise the value of the degree of depth that is used to detect said drilling rod depth sensor, be used to detect first controller that the first sensor and being used for of value of first output pressure of said main pump is adjusted first output pressure of said main pump, this first controller comprises first input module, first processing module and first control module that connects successively; Wherein
Said depth sensor is connected with said first input module with said first sensor, and said first input module is used for being sent to said first processing module from the value of the degree of depth of the said drilling rod of said depth sensor with from the value of first output pressure of the said main pump of said first sensor;
Said first processing module is used for confirming first higher limit, the value of said first output pressure and said first higher limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value greater than said first higher limit of said first output pressure that said first control module is used at comparative result, reduces by first output pressure of said main pump.
In addition, the present invention also provides a kind of rotary drilling rig, and this rotary drilling rig comprises protective device of the present invention.
Through technique scheme, detect and feed back through force value main pump output, when actual torque that drilling rod bore reduces the output of main pump during greater than its peak torque that can bear, reduce actual torque, thereby prevent the drilling rod distortion.
Other features and advantages of the present invention will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of manual, is used to explain the present invention with the following specific embodiment, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the sketch map of the preferred implementation of protective device of the present invention;
Fig. 2 is that the preferred implementation of protective device of the present invention is crossed the schematic diagram of turning round protection to drilling rod;
Fig. 3 is the schematic diagram of the preferred implementation of protective device of the present invention to the drilling rod overvoltage protection;
Fig. 4 is that the preferred implementation of protective device of the present invention is crossed the schematic diagram of the protection of inclining to drilling rod;
Fig. 5 is the sketch map of the preferred implementation of guard method of the present invention.
Description of reference numerals
1 main pump, 2 pressurization oil cylinders
3 add pressure electromagnetic valve 4 chassis
5 drilling rods, 11 first sensors
12 second sensors 13 the 3rd sensor
21 first controllers, 22 second controllers
23 the 3rd controllers
The specific embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that the specific embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
The present invention provides a kind of guard method that is used for rotary drilling rig, and said rotary drilling rig comprises that drilling rod 5 drives the main pump 1 that this drilling rod 5 rotates with being used to, and wherein, said guard method comprises:
Detect the value of first output pressure of value and said main pump 1 of the degree of depth of said drilling rod 5;
Confirm first higher limit according to the value of the said degree of depth, the value and said first higher limit of said first output pressure compared,, reduce by first output pressure of said main pump 1 when the value of said first output pressure during greater than said first higher limit.
Be illustrated in figure 5 as the preferred implementation sketch map of guard method of the present invention; In rotary drilling rig; Main pump 1 is used to provide the drilling rod power that 5 rotations pierce, so the moment of torsion that drilling rod bore is relevant with first output pressure of main pump 1, and if the moment of torsion that drilling rod bore greater than its peak torque that can bear; Drilling rod will deform, thereby influences the operate as normal of drilling rod.The drilling rod that prevents rotary drilling rig provided by the invention cross the guard method of turning round be exactly the monitoring drilling rod current pierce the first current output pressure of the degree of depth and main pump 1; Confirm first higher limit according to the degree of depth of drilling rod; First output pressure and this first higher limit with main pump 1 compares again, thereby first output pressure of main pump 1 is carried out feedback regulation.
Preferably, the value of the peak torque that under the said degree of depth, can bear of the corresponding said drilling rod 5 of said first higher limit.
Along with drilling rod pierces the increase of the degree of depth, the peak torque that drilling rod can bear constantly reduces, and this first higher limit is confirmed according to the peak torque that drilling rod can bear under the current degree of depth.That is to say that this first higher limit is that the degree of depth that pierces with drilling rod is corresponding, each depth value all corresponding one first higher limit, perhaps a certain section depth value corresponding one first higher limit.
Need to prove, should can obtain through test and/or empirical value with corresponding first higher limit of the degree of depth.For example, for the detection that makes an experiment of the rotary drilling rig of certain model and/or drilling rod, and with the experience of measuring or the experience of mechanical performance is revised measurement result, thereby make first higher limit can play the effect that the protection drilling rod can not take place to turn round.Usually this first higher limit can be slightly less than the peak torque that drilling rod can bear under the current degree of depth.
Preferably, said guard method also comprises:
Confirm first lower limit according to the value of the said degree of depth, the value and said first lower limit of said first output pressure compared,, improve the output pressure of said main pump 1 when the value of said first output pressure during less than said first lower limit.
Identical ground with above-mentioned first higher limit also can be provided with first lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If first output pressure of main pump 1 is owing to being lowered greater than first higher limit; At this moment the moment of torsion that drilling rod bore will diminish; But first output pressure of main pump 1 is reduced to the operate as normal that to a certain degree will influence drilling rod, therefore one first lower limit will be set first output pressure of main pump 1 is kept watch on.The output that will suitably increase main pump 1 during less than this first lower limit when the first output pressure value of main pump 1.
The value of the minimal torque that preferably, the corresponding said drilling rod 5 of said first lower limit can operate as normal under the said degree of depth.
The acquisition of the acquisition of this first lower limit and first higher limit is basic identical, also is through test and/or empirical value, repeats no more here.
Preferably, said rotary drilling rig comprises that said guard method also comprises through adding the pressurization oil cylinder 2 of 3 pairs of said drilling rod 5 pressurizations of pressure electromagnetic valve:
Detect the value of second output pressure of said pressurization oil cylinder 2;
Confirm second higher limit according to the value of the said degree of depth, the value and said second higher limit of said second output pressure compared,, the said pressure electromagnetic valve 3 that adds is ended when the value of said second output pressure during greater than said second higher limit.
In the course of work of rotary drilling rig, drilling rod not only bears moment of torsion owing to self rotating, and also can constantly pierce downwards because of the effect that is under pressure.Therefore, drilling rod is not only provided the power of rotation by main pump 1, also receives the downward power that pressurization oil cylinder 2 provides.Along with the elongation of drilling rod, the maximum pressure that drilling rod can bear also reduces gradually, if the maximum pressure that drilling rod can bear under the current degree of depth greater than drilling rod at the actual pressure that bears under the current degree of depth, drilling rod will deform.The present invention prevents that through the monitoring of second output pressure to pressurization oil cylinder 2 drilling rod from above-mentioned overvoltage fault taking place.
The present invention monitors second output pressure of pressurization oil cylinder 2, and when this second output pressure during greater than second higher limit confirmed by the degree of depth, adding pressure electromagnetic valve 3 will end, and 3 pairs of drilling rods 5 of pressure electromagnetic valve pressurize and pressurization oil cylinder 2 adds through this just.So, pressurization oil cylinder 2 will stop drilling rod 5 pressurizations, thereby prevents that drilling rod 5 is owing to overvoltage deforms.
Preferably, the value of the maximum pressure that under the said degree of depth, can bear of the corresponding said drilling rod 5 of said second higher limit.
Along with drilling rod pierces the increase of the degree of depth, the maximum pressure that drilling rod can bear constantly reduces, and this second higher limit is confirmed according to the maximum pressure that drilling rod can bear under the current degree of depth.That is to say that this second higher limit is that the degree of depth that pierces with drilling rod is corresponding, each depth value all corresponding one second higher limit, perhaps a certain section depth value corresponding one second higher limit.
Need to prove, should can obtain through test and/or empirical value with corresponding second higher limit of the degree of depth.For example, for the detection that makes an experiment of the rotary drilling rig of certain model and/or drilling rod, and with the experience of measuring or the experience of mechanical performance is revised measurement result, thereby make second higher limit can play the effect that overvoltage can not take place the protection drilling rod.Usually this second higher limit can be slightly less than the value of the maximum pressure that drilling rod can bear under the current degree of depth.
Preferably, said guard method also comprises:
Confirm second lower limit according to the said degree of depth, the value and said second lower limit of said second output pressure compared,, make said pressure electromagnetic valve 3 conductings that add when the value of said second output pressure during less than said second lower limit.
Identical ground with above-mentioned second higher limit also can be provided with second lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If add pressure electromagnetic valve 3 because second output pressure of pressurization oil cylinder 2 is ended greater than second higher limit; At this moment drilling rod no longer bears second output pressure of pressurization oil cylinder 2; But therefore this state continuance will be provided with one second lower limit second output pressure of pressurization oil cylinder 2 is kept watch on to the operate as normal that to a certain degree will influence drilling rod.When will suitably making during less than this second lower limit, the second output pressure value of pressurization oil cylinder 2 adds pressure electromagnetic valve 3 conductings.
The value of the minimum pressure that preferably, the corresponding said drilling rod 5 of said second lower limit can operate as normal under the said degree of depth.
The acquisition of the acquisition of this second lower limit and second higher limit is basic identical, also is through test and/or empirical value, repeats no more here.
Preferably, said rotary drilling rig comprises that said guard method also comprises through adding the pressurization oil cylinder 2 of 3 pairs of said drilling rod 5 pressurizations of pressure electromagnetic valve:
Detect the value at inclination angle on the chassis 4 of said rotary drilling rig;
The value and the 3rd higher limit at said inclination angle are compared,, the said pressure electromagnetic valve 3 that adds is ended when the value at said inclination angle during greater than said the 3rd higher limit.
In 5 pressurizations of 2 pairs of drilling rods of pressurization oil cylinder, also have reaction force acts on the chassis 4 of rotary drilling rig, thereby cause chassis 4 to tilt.A corresponding relation is arranged between the verticality of the inclination angle on chassis 4 and drilling rod 5, because unnecessary inclination takes place on chassis 4, will cause the variation of the verticality of drilling rod 5, this can influence drilling quality eventually, even drilling rod is damaged.
Therefore; The present invention provides above-mentioned method to be used to monitor the inclination angle on chassis 4; End when the inclination angle on chassis 4 adds pressure electromagnetic valve 3 during greater than the 3rd higher limit, the oil cylinder 2 that promptly pressurizes no longer pressurizes to drilling rod, does not also just have reaction force acts and on chassis 4, does not cause the inclination angle on chassis 4 further to enlarge.
Preferably, but the value of the verticality of the corresponding said drilling rod 5 of said the 3rd higher limit inclination maximum on pairing said chassis 4 in tolerance range the time, under second output pressure of pressurization oil cylinder 2.
Because the inclination angle on chassis 4 can influence the verticality of drilling rod 5, but so the 3rd higher limit when the verticality of said drilling rod 5 is in tolerance range, the inclination maximum on the said chassis 4 second output pressure of pairing pressurization oil cylinder 2 under is definite.
Need to prove that the 3rd limit value can obtain through test and/or empirical value.For example; For the detection that makes an experiment of the rotary drilling rig of certain model and/or drilling rod; And perhaps the experience of mechanical performance is revised measurement result with the experience of measuring, thereby made the 3rd higher limit can play the effect of verticality in tolerance interval of protection drilling rod.But common the 3rd higher limit verticality in tolerance range time that can be slightly less than drilling rod 5, the inclination maximum on the said chassis 4 under second output pressure of pairing pressurization oil cylinder 2.
Preferably, said guard method also comprises:
The value and the 3rd lower limit at said inclination angle are compared,, make said pressure electromagnetic valve 3 conductings that add when the value at said inclination angle during less than said the 3rd lower limit.
Identical ground with above-mentioned the 3rd higher limit also can be provided with the 3rd lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If add pressure electromagnetic valve 3 because the value at inclination angle is ended greater than the 3rd higher limit; At this moment drilling rod 5 no longer bears second output pressure of pressurization oil cylinder 2; Chassis 4 can not born the reaction force of second output pressure of pressurization oil cylinder 2 more yet, but therefore this state continuance will be provided with one the 3rd lower limit the inclination angle on chassis 4 is kept watch on to the operate as normal that to a certain degree will influence drilling rod.Add pressure electromagnetic valve 3 conductings when the inclination angle on chassis 4 value will suitably make during less than the 3rd lower limit, thereby make drilling rod 5 operate as normal.
The value of the minimum angle-of-incidence on pairing chassis 4 when preferably, the corresponding said drilling rod 5 of said the 3rd lower limit can operate as normal, under second output pressure of said pressurization oil cylinder 2.
The acquisition of the acquisition of the 3rd lower limit and the 3rd higher limit is basic identical, also is through test and/or empirical value, repeats no more here.
Need to prove; Above-mentioned various preferred implementations of the present invention can at random make up; That is to say that any, two or three of can provide the drilling rod of rotary drilling rig in moment of torsion, pressure and the verticality monitor, thereby according to actual needs drilling rod is monitored and protected.
In addition; The present invention also provides a kind of controller that is used to protect rotary drilling rig; Said rotary drilling rig comprises drilling rod 5 and is used to drive the main pump 1 that this drilling rod 5 rotates, and said controller comprises and be used for first controller 21 that first output pressure of said main pump 1 is adjusted that this first controller 21 comprises first input module, first processing module and first control module that connects successively; Wherein
Said first input module is used to receive the value of first output pressure of value and said main pump 1 of the degree of depth of said drilling rod 5, and the value of first output pressure of the value of the degree of depth of said drilling rod 5 and said main pump 1 is sent to said first processing module;
Said first processing module is used for confirming first higher limit, the value of said first output pressure and said first higher limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value greater than said first higher limit of said first output pressure that said first control module is used at comparative result, reduces by first output pressure of said main pump 1.
Controller of the present invention is used to realize above-mentioned guard method of the present invention.
In rotary drilling rig; Main pump 1 is used to provide the drilling rod power that 5 rotations pierce, so the moment of torsion that drilling rod bore is relevant with first output pressure of main pump 1, and if the moment of torsion that drilling rod bore greater than its peak torque that can bear; Drilling rod will deform, thereby influences the operate as normal of drilling rod.First controller 21 provided by the invention is used for monitoring drilling rod whether phenomenon took place to turn round; Wherein, Common and the sensor interface of first input module; Be used to receive the value of first output pressure of value and main pump 1 of the degree of depth of the drilling rod 5 that is detected by sensor, first processing module is handled above-mentioned data in inside, is used for depth value that basis receives and confirms first higher limit, the value of first output pressure and first higher limit are compared and comparative result is sent to first control module; Under the situation of value greater than first higher limit of first output pressure, first control module is used to reduce by first output pressure of main pump 1.
The definite of said first higher limit introduces at preceding text, repeats no more here.
Preferably, said first processing module also is used for confirming first lower limit, the value of said first output pressure and said first lower limit being compared and comparative result is sent to first control module according to the value of the said degree of depth;
It is under the situation of value less than said first lower limit of said first output pressure that said first control module is used at comparative result, improves the output pressure of said main pump 1.
Identical ground with above-mentioned first higher limit also can be provided with first lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If first output pressure of main pump 1 is owing to being lowered greater than first higher limit; At this moment the moment of torsion that drilling rod bore will diminish; But first output pressure of main pump 1 is reduced to the operate as normal that to a certain degree will influence drilling rod, therefore one first lower limit will be set first output pressure of main pump 1 is kept watch on.The output that will suitably increase main pump 1 during less than this first lower limit when the first output pressure value of main pump 1.Particularly; When first processing module compares the value of first output pressure and first lower limit and comparative result is sent to first control module; When the value of first output pressure during less than first lower limit, first control module improves first output pressure of main pump 1.Wherein, the acquisition of the acquisition of first lower limit and first higher limit is basic identical, also is through test and/or empirical value, repeats no more here.
Preferably, said first controller 21 is a PLC equipment.PCL equipment is easy to use, and cost is lower, and can satisfy the requirement of controller of the present invention, therefore uses PLC equipment in the preferred implementation of the present invention.
Preferably; Said rotary drilling rig also comprises through adding the pressurization oil cylinder 2 of 3 pairs of said drilling rod 5 pressurizations of pressure electromagnetic valve; Said controller also comprises and is used to control said second controller that adds pressure electromagnetic valve 3 conductings or end; Said second controller comprises second input module, second processing module and second control module that connects successively, wherein
Said second input module is used to receive the value of second output pressure of value and said pressurization oil cylinder 2 of the degree of depth of said drilling rod 5, and the value of second output pressure of the value of the degree of depth of said drilling rod 5 and said pressurization oil cylinder 2 is sent to second processing module;
Said second processing module is used for confirming corresponding preset second higher limit, the value of said second output pressure and said second higher limit being compared and comparative result is sent to second control module according to the value of the said degree of depth;
It is under the situation of value greater than said second higher limit of said second output pressure that said second control module is used at comparative result, and the said pressure electromagnetic valve 3 that adds is ended.
In the course of work of rotary drilling rig, drilling rod not only bears moment of torsion owing to self rotating, and also can constantly pierce downwards because of the effect that is under pressure.Therefore, drilling rod is not only provided the power of rotation by main pump 1, also receives the downward power that pressurization oil cylinder 2 provides.Along with the elongation of drilling rod, the maximum pressure that drilling rod can bear also reduces gradually, if the maximum pressure that drilling rod can bear under the current degree of depth greater than drilling rod at the actual pressure that bears under the current degree of depth, drilling rod will deform.Controller of the present invention comprises that also second controller 22 prevents that through the monitoring of second output pressure to pressurization oil cylinder 2 drilling rod from above-mentioned overvoltage fault taking place.
Common and the sensor interface of first input module; Thereby receive the degree of depth of drilling rod 5 and second output pressure of pressurization oil cylinder 2; Second processing module is confirmed second higher limit, the value of second output pressure and second higher limit is compared and comparative result is sent to second control module according to the depth value of drilling rod 5; The value of judging second output pressure when second processing module is during greater than second higher limit, and the control of second control module adds pressure electromagnetic valve 3 and ends.
Preferably, said second processing module can also be used for confirming corresponding preset second lower limit, the value and said second lower limit of said second output pressure being compared according to the value of the said degree of depth, and comparative result is sent to said second control module;
It is under the situation of value less than said second higher limit of said second output pressure that said second control module is used at comparative result, makes said pressure electromagnetic valve 3 conductings that add.
Identical ground with above-mentioned second higher limit also can be provided with second lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If add pressure electromagnetic valve 3 because second output pressure of pressurization oil cylinder 2 is ended greater than second higher limit; At this moment drilling rod no longer bears second output pressure of pressurization oil cylinder 2; But therefore this state continuance will be provided with one second lower limit second output pressure of pressurization oil cylinder 2 is kept watch on to the operate as normal that to a certain degree will influence drilling rod.When value and said second lower limit of second processing module with said second output pressure compares, and the second output pressure value of judging pressurization oil cylinder 2 is during less than this second lower limit, and second control module makes and adds pressure electromagnetic valve 3 conductings.Wherein, the acquisition of the acquisition of second lower limit and second higher limit is basic identical, also is through test and/or empirical value, repeats no more here.
Preferably, said second controller 22 is a PLC equipment.PCL equipment is easy to use, and cost is lower, and can satisfy the requirement of controller of the present invention, therefore uses PLC equipment in the preferred implementation of the present invention.
Preferably; Said rotary drilling rig also comprises through adding the pressurization oil cylinder 2 of 3 pairs of said drilling rod 5 pressurizations of pressure electromagnetic valve; Said controller also comprises and is used to control said the 3rd controller that adds pressure electromagnetic valve 3 conductings or end; Said the 3rd controller comprises the 3rd input module, the 3rd processing module and the 3rd control module that connects successively
Said the 3rd input module is used to receive the value at the inclination angle on chassis 4, and the value at the inclination angle on this chassis 4 is sent to said the 3rd processing module;
Said the 3rd processing module is used for the value at said angle and said the 3rd higher limit are compared, and comparative result is sent to said the 3rd control module;
Said the 3rd control module is used under the situation of the value that relatively is combined into said inclination angle greater than said the 3rd higher limit, and the said pressure electromagnetic valve 3 that adds is ended.
In 5 pressurizations of 2 pairs of drilling rods of pressurization oil cylinder, also have reaction force acts on the chassis 4 of rotary drilling rig, thereby cause chassis 4 to tilt.A corresponding relation is arranged between the verticality of the inclination angle on chassis 4 and drilling rod 5, because unnecessary inclination takes place on chassis 4, will cause the variation of the verticality of drilling rod 5, this can influence drilling quality eventually, even drilling rod is damaged.
Therefore; The 3rd controller provided by the invention is monitored the inclination angle on chassis 4; End when the inclination angle on chassis 4 adds pressure electromagnetic valve 3 during greater than the 3rd higher limit, the oil cylinder 2 that promptly pressurizes no longer pressurizes to drilling rod, does not also just have reaction force acts and on chassis 4, does not cause the inclination angle on chassis 4 further to enlarge.
In the preferred implementation provided by the invention, the 3rd controller 23 is used for monitoring the verticality of drilling rod.Wherein, The 3rd input module usually and sensor interface is used to receive the value at the inclination angle on chassis 4, and the 3rd processing module compares with the value and the 3rd higher limit at this inclination angle; Under the situation of value greater than the 3rd higher limit at inclination angle, the 3rd control module makes and adds pressure electromagnetic valve 3 and end.
Preferably, said the 3rd processing module can also be used for the value at said inclination angle and the 3rd lower limit are compared, and sends comparative result to said the 3rd control module;
It is under the situation of value less than said the 3rd lower limit at said inclination angle that said the 3rd control module is used at comparative result, makes said pressure electromagnetic valve 3 conductings that add.
Identical ground with above-mentioned the 3rd higher limit also can be provided with the 3rd lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If add pressure electromagnetic valve 3 because the value at the inclination angle in domain 4 is ended greater than the 3rd upper limit; At this moment drilling rod 5 no longer bears second output pressure of pressurization oil cylinder 2, and chassis 4 can not born the reaction force of second output pressure of pressurization oil cylinder 2 more yet, but this state continuance is to the operate as normal that to a certain degree will influence drilling rod; Therefore one the 3rd lower limit to be set, the inclination angle on chassis 4 is kept watch on.The 3rd processing module compares the value and the 3rd lower limit at inclination angle, and when comparative result is the inclination angle value on chassis 4 during less than the 3rd lower limit, the 3rd control module makes and adds pressure electromagnetic valve 3 conductings, thereby makes drilling rod 5 operate as normal.
Preferably, said the 3rd controller 23 is a PLC equipment.PCL equipment is easy to use, and cost is lower, and can satisfy the requirement of controller of the present invention, therefore uses PLC equipment in the preferred implementation of the present invention.
Need to prove; Above-mentioned various preferred implementations of the present invention can at random make up; That is to say that controller of the present invention can provide any one, two or three in moment of torsion, pressure and the verticality to monitor the drilling rod of rotary drilling rig, thereby can optionally use according to the actual needs of drilling rod protection.
In addition; The invention provides a kind of protective device that is used for rotary drilling rig; Said rotary drilling rig comprises drilling rod 5 and is used to drive the main pump 1 that this drilling rod 5 rotates; Wherein, said protective device comprise the value of the degree of depth that is used to detect said drilling rod 5 depth sensor, be used to detect first controller 21 that the first sensor 11 and being used for of value of first output pressure of said main pump 1 is adjusted first output pressure of said main pump 1, this first controller 21 comprises first input module, first processing module and first control module that connects successively; Wherein
Said depth sensor is connected with said first input module with said first sensor 11, and said first input module is used for being sent to said first processing module from the value of the degree of depth of the said drilling rod 5 of said depth sensor with from the value of first output pressure of the said main pump 1 of said first sensor 11;
Said first processing module is used for confirming first higher limit, the value of said first output pressure and said first higher limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value greater than said first higher limit of said first output pressure that said first control module is used at comparative result, reduces by first output pressure of said main pump 1.
Protective device of the present invention comprises above-mentioned controller of the present invention, thereby is used to realize above-mentioned guard method of the present invention.
In rotary drilling rig; Main pump 1 is used to provide the drilling rod power that 5 rotations pierce, so the moment of torsion that drilling rod bore is relevant with first output pressure of main pump 1, and if the moment of torsion that drilling rod bore greater than its peak torque that can bear; Drilling rod will deform, thereby influences the operate as normal of drilling rod.
Protective device of the present invention comprises depth sensor and the first sensor 11 of the value of first output pressure that is used to detect said main pump 1 of the value of the degree of depth that is used to detect said drilling rod 5; This comprises and is used for first controller 21 that first output pressure of said main pump 1 is adjusted in addition; Depth sensor and first sensor 11 are sent to the value of first output pressure of the value of the degree of depth of drilling rod 5 and main pump 1 first processing module of said controller 21 respectively; First processing module is handled above-mentioned data in inside; Be used for confirming first higher limit, the value of first output pressure and first higher limit being compared and comparative result is sent to first control module according to the depth value that receives; Under the situation of value greater than first higher limit of first output pressure, first control module is used to reduce by first output pressure of main pump 1.
The definite of said first higher limit introduces at preceding text, repeats no more here.
Above-mentioned protective device is through to the monitoring of rotary drilling rig and to the judgement of monitoring result, the output of FEEDBACK CONTROL main pump 1, thus realized drilling rod is crossed the function of turning round protection.
Preferably, said first processing module also is used for confirming first lower limit, the value of said first output pressure and said first lower limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value less than said first lower limit of said first output pressure that said first control module is used at comparative result, improves first output pressure of said main pump 1.
Identical ground with above-mentioned first higher limit also can be provided with first lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If first output pressure of main pump 1 is owing to being lowered greater than first higher limit; At this moment the moment of torsion that drilling rod bore will diminish; But first output pressure of main pump 1 is reduced to the operate as normal that to a certain degree will influence drilling rod, therefore one first lower limit will be set first output pressure of main pump 1 is kept watch on.The output that will suitably increase main pump 1 during less than this first lower limit when the first output pressure value of main pump 1.Particularly; When first processing module compares the value of first output pressure and first lower limit and comparative result is sent to first control module; When the value of first output pressure during less than first lower limit, first control module improves first output pressure of main pump 1.Wherein, the acquisition of the acquisition of first lower limit and first higher limit is basic identical, also is through test and/or empirical value, repeats no more here.Through technique scheme, protective device of the present invention can be too small and improve first output pressure of main pump 1 under can't the situation of operate as normal at the moment of torsion of drilling rod input, to guarantee the drilling rod operate as normal.
Preferably, said first controller 21 is a PLC equipment.PCL equipment is easy to use, and cost is lower, and can satisfy the requirement of controller of the present invention, therefore uses PLC equipment in the preferred implementation of the present invention.
Preferably; Said rotary drilling rig also comprises through adding the pressurization oil cylinder 2 of 3 pairs of said drilling rod 5 pressurizations of pressure electromagnetic valve; Said protective device also comprise second output pressure that is used to detect said pressurization oil cylinder 2 value second sensor 12 be used to control said second controller 22 that adds pressure electromagnetic valve 3 conductings or end; This second controller 22 comprises second input module, second processing module and second control module that connects successively, wherein
Said second sensor 12 is connected with said second input module, and said first input module is used for the value from second output pressure of the said pressurization oil cylinder 2 of said second sensor 12 is sent to said second processing module;
Said second processing module is used for confirming second upper limit, the value of said second output pressure and said second higher limit being compared and comparative result is sent to said second control module according to the value of the said degree of depth;
It is under the situation of value greater than said second higher limit of said second output pressure that said second control module is used at comparative result, and the said pressure electromagnetic valve 3 that adds is ended.
In the course of work of rotary drilling rig, drilling rod not only bears moment of torsion owing to self rotating, and also can constantly pierce downwards because of the effect that is under pressure.Drilling rod is not only provided the power of rotation by main pump 1, also receive the downward power that pressurization oil cylinder 2 provides.Along with the elongation of drilling rod, the maximum pressure that drilling rod can bear also reduces gradually, if the maximum pressure that drilling rod can bear under the current degree of depth greater than drilling rod at the actual pressure that bears under the current degree of depth, drilling rod will deform.Protective device of the present invention also comprises second sensor 12 and second controller 22; This second sensor 12 is used to detect the value of second output pressure of said pressurization oil cylinder 2, and this second controller 22 prevents that through the monitoring to second output pressure of pressurization oil cylinder 2 drilling rod from above-mentioned overvoltage fault taking place.
Said first input module is used for the value from second output pressure of the said pressurization oil cylinder 2 of said second sensor 12 is sent to said second processing module; Second processing module is confirmed second higher limit, the value of second output pressure and second higher limit is compared and comparative result is sent to second control module according to the depth value of drilling rod 5; The value of judging second output pressure when second processing module is during greater than second higher limit, and the control of second control module adds pressure electromagnetic valve 3 and ends.
Above-mentioned protective device is through to the monitoring of rotary drilling rig and to the judgement of monitoring result, thereby FEEDBACK CONTROL adds the output of pressure electromagnetic valve 3 control pressurization oil cylinders 2, has realized drilling rod is crossed the function of turning round protection.
Preferably, said second processing module can also be used for confirming corresponding preset second lower limit, the value and said second lower limit of said second output pressure being compared according to the value of the said degree of depth, and comparative result is sent to said second control module;
It is under the situation of value less than said second higher limit of said second output pressure that said second control module is used at comparative result, makes said pressure electromagnetic valve 3 conductings that add.
Identical ground with above-mentioned second higher limit also can be provided with second lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If add pressure electromagnetic valve 3 because second output pressure of pressurization oil cylinder 2 is ended greater than second higher limit; At this moment drilling rod no longer bears second output pressure of pressurization oil cylinder 2; But therefore this state continuance will be provided with one second lower limit second output pressure of pressurization oil cylinder 2 is kept watch on to the operate as normal that to a certain degree will influence drilling rod.When value and said second lower limit of second processing module with said second output pressure compares, and the second output pressure value of judging pressurization oil cylinder 2 is during less than this second lower limit, and second control module makes and adds pressure electromagnetic valve 3 conductings.Wherein, the acquisition of the acquisition of second lower limit and second higher limit is basic identical, also is through test and/or empirical value, repeats no more here.Pass through technique scheme; Protective device of the present invention can be too small and drilling rod is made under can't the situation of operate as normal add pressure electromagnetic valve 3 conductings at the pressure of the 2 pairs of drilling rods of pressurization oil cylinder input; Thereby make second output pressure of pressurization oil cylinder 2 act on drilling rod, to guarantee the drilling rod operate as normal.
Preferably, said second controller 22 is a PLC equipment.PCL equipment is easy to use, and cost is lower, and can satisfy the requirement of controller of the present invention, therefore uses PLC equipment in the preferred implementation of the present invention.
Preferably; Said rotary drilling rig also comprises through adding the pressurization oil cylinder 2 of 3 pairs of said drilling rod 5 pressurizations of pressure electromagnetic valve; Said protective device also comprise the inclination angle that is used to detect chassis 4 value the 3rd sensor 13 be used to control said the 3rd controller 23 that adds pressure electromagnetic valve 3 conductings or end; The 3rd controller 23 comprises the 3rd input module, the 3rd processing module and the 3rd control module that connects successively, wherein
Said the 3rd sensor 13 is connected with said the 3rd input module, and said the 3rd input module is used for the value from the inclination angle on the said chassis 4 of said the 3rd sensor 13 is sent to said the 3rd processing module;
Said the 3rd processing module is used for the value at said inclination angle and said the 3rd higher limit are compared, and comparative result is sent to said the 3rd control module;
It is under the situation of value greater than said the 3rd higher limit at said inclination angle that said the 3rd control module is used at comparative result, and the said pressure electromagnetic valve 3 that adds is ended.
In 5 pressurizations of 2 pairs of drilling rods of pressurization oil cylinder, also have reaction force acts on the chassis 4 of rotary drilling rig, thereby cause chassis 4 to tilt.A corresponding relation is arranged between the verticality of the inclination angle on chassis 4 and drilling rod 5, because unnecessary inclination takes place on chassis 4, will cause the variation of the verticality of drilling rod 5, this can influence drilling quality eventually, even drilling rod is damaged.
Therefore; Protective device provided by the invention also comprises the 3rd sensor 13 and the 3rd controller 23; The 3rd sensor 13 detects the inclination angle on chassis 4; Second controller 23 judges that adding pressure electromagnetic valve 3 when inclination angle when chassis 4 is greater than the 3rd higher limit ends, and the oil cylinder 2 that promptly pressurizes no longer pressurizes to drilling rod, does not also just have reaction force acts and on chassis 4, does not cause the inclination angle on chassis 4 further to enlarge.
In the preferred implementation provided by the invention, the 3rd controller 23 is used for monitoring the verticality of drilling rod.Wherein, Said the 3rd input module is used for the value from the inclination angle on the said chassis 4 of said the 3rd sensor 13 is sent to said the 3rd processing module; The 3rd processing module compares with the value and the 3rd higher limit at this inclination angle; Under the situation of value greater than the 3rd higher limit at inclination angle, the 3rd control module makes and adds pressure electromagnetic valve 3 and end.
Above-mentioned protective device is through to the monitoring of rotary drilling rig and to the judgement of monitoring result, thereby FEEDBACK CONTROL adds the output of pressure electromagnetic valve 3 control pressurization oil cylinders 2, has realized the function to the protection of drilling rod verticality.
Preferably, said the 3rd processing module can also be used for the value at said inclination angle and the 3rd lower limit are compared, and sends comparative result to said the 3rd control module;
It is under the situation of value less than said the 3rd lower limit at said inclination angle that said the 3rd control module is used at comparative result, makes said pressure electromagnetic valve 3 conductings that add.
Identical ground with above-mentioned the 3rd higher limit also can be provided with the 3rd lower limit and be used for guaranteeing that drilling rod can operate as normal.For a continuous course of work; If add pressure electromagnetic valve 3 because the value at the inclination angle in domain 4 is ended greater than the 3rd upper limit; At this moment drilling rod 5 no longer bears second output pressure of pressurization oil cylinder 2, and chassis 4 can not born the reaction force of second output pressure of pressurization oil cylinder 2 more yet, but this state continuance is to the operate as normal that to a certain degree will influence drilling rod; Therefore one the 3rd lower limit to be set, the inclination angle on chassis 4 is kept watch on.The 3rd processing module compares the value and the 3rd lower limit at inclination angle, and when comparative result is the inclination angle value on chassis 4 during less than the 3rd lower limit, the 3rd control module makes and adds pressure electromagnetic valve 3 conductings, thereby makes drilling rod 5 operate as normal.Pass through technique scheme; Protective device of the present invention can be too small and drilling rod is made under can't the situation of operate as normal add pressure electromagnetic valve 3 conductings at the pressure of the 2 pairs of drilling rods of pressurization oil cylinder input; Thereby make second output pressure of pressurization oil cylinder 2 act on drilling rod, to guarantee the drilling rod operate as normal.
Preferably, said the 3rd controller 23 is a PLC equipment.PCL equipment is easy to use, and cost is lower, and can satisfy the requirement of controller of the present invention, therefore uses PLC equipment in the preferred implementation of the present invention.
Need to prove; Above-mentioned various preferred implementations of the present invention can at random make up; That is to say that protective device of the present invention can provide any one, two or three in moment of torsion, pressure and the verticality to monitor and FEEDBACK CONTROL the drilling rod of rotary drilling rig, thereby can optionally use according to the actual needs of drilling rod protection.
In addition, the present invention also provides a kind of rotary drilling rig, and this rotary drilling rig comprises above-mentioned protective device of the present invention.Through this protective device, rotary drilling rig of the present invention can provide any, two or three in moment of torsion, pressure and the verticality to monitor the drilling rod of rotary drilling rig and FEEDBACK CONTROL, thereby above-mentioned defencive function can be provided according to actual needs.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove in addition; Each concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Claims (34)
1. guard method that is used for rotary drilling rig, said rotary drilling rig comprise drilling rod (5) and are used to drive the main pump (1) that this drilling rod (5) rotates, it is characterized in that said guard method comprises:
Detect the value of first output pressure of value and said main pump (1) of the degree of depth of said drilling rod (5);
Confirm first higher limit according to the value of the said degree of depth, the value and said first higher limit of said first output pressure compared,, reduce by first output pressure of said main pump (1) when the value of said first output pressure during greater than said first higher limit.
2. guard method according to claim 1 is characterized in that, the value of the peak torque that the corresponding said drilling rod of said first higher limit (5) can bear under the said degree of depth.
3. guard method according to claim 1 is characterized in that, said guard method also comprises:
Confirm first lower limit according to the value of the said degree of depth, the value and said first lower limit of said first output pressure compared,, improve the output pressure of said main pump (1) when the value of said first output pressure during less than said first lower limit.
4. guard method according to claim 3 is characterized in that, the value of the minimal torque that the corresponding said drilling rod of said first lower limit (5) can operate as normal under the said degree of depth.
5. according to claim 1 or 3 described guard methods, it is characterized in that said rotary drilling rig comprises that said guard method also comprises through adding the pressurization oil cylinder (2) of pressure electromagnetic valve (3) to said drilling rod (5) pressurization:
Detect the value of second output pressure of said pressurization oil cylinder (2);
Confirm second higher limit according to the value of the said degree of depth, the value and said second higher limit of said second output pressure compared,, the said pressure electromagnetic valve (3) that adds is ended when the value of said second output pressure during greater than said second higher limit.
6. guard method according to claim 5 is characterized in that, the value of the maximum pressure that the corresponding said drilling rod of said second higher limit (5) can bear under the said degree of depth.
7. guard method according to claim 5 is characterized in that, said guard method also comprises:
Confirm second lower limit according to the said degree of depth, the value and said second lower limit of said second output pressure compared,, make said pressure electromagnetic valve (3) conducting that adds when the value of said second output pressure during less than said second lower limit.
8. guard method according to claim 7 is characterized in that, the value of the minimum pressure that the corresponding said drilling rod of said second lower limit (5) can operate as normal under the said degree of depth.
9. guard method according to claim 1 is characterized in that, said rotary drilling rig comprises that said guard method also comprises through adding the pressurization oil cylinder (2) of pressure electromagnetic valve (3) to said drilling rod (5) pressurization:
Detect the value at inclination angle on the chassis (4) of said rotary drilling rig;
The value and the 3rd higher limit at said inclination angle are compared,, the said pressure electromagnetic valve (3) that adds is ended when the value at said inclination angle during greater than said the 3rd higher limit.
10. guard method according to claim 5 is characterized in that, said guard method also comprises:
Detect the value at inclination angle on the chassis (4) of said rotary drilling rig;
The value and the 3rd higher limit at said inclination angle are compared,, the said pressure electromagnetic valve (3) that adds is ended when the value at said inclination angle during greater than said the 3rd higher limit.
11. according to claim 9 or 10 described protective devices; It is characterized in that, the corresponding said drilling rod (5) of said the 3rd higher limit but the value of verticality inclination maximum on pairing said chassis (4) in tolerance range the time, under second output pressure of said pressurization oil cylinder (2).
12., it is characterized in that said guard method also comprises according to claim 9 or 10 described guard methods:
The value and the 3rd lower limit at said inclination angle are compared,, make said pressure electromagnetic valve (3) conducting that adds when the value at said inclination angle during less than said the 3rd lower limit.
13. guard method according to claim 12 is characterized in that, the value of the minimum angle-of-incidence of pairing chassis (4) when the corresponding said drilling rod of said the 3rd lower limit (5) can operate as normal, under second output pressure of said pressurization oil cylinder (2).
14. controller that is used to protect rotary drilling rig; Said rotary drilling rig comprises drilling rod (5) and is used to drive the main pump (1) that this drilling rod (5) rotates; Said controller comprises and is used for first controller (21) that first output pressure of said main pump (1) is adjusted; This first controller (21) comprises first input module, first processing module and first control module that connects successively, it is characterized in that
Said first input module is used to receive the value of first output pressure of value and said main pump (1) of the degree of depth of said drilling rod (5), and the value of first output pressure of the value of the degree of depth of said drilling rod (5) and said main pump (1) is sent to said first processing module;
Said first processing module is used for confirming first higher limit, the value of said first output pressure and said first higher limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value greater than said first higher limit of said first output pressure that said first control module is used at comparative result, reduces by first output pressure of said main pump (1).
15. controller according to claim 14 is characterized in that,
Said first processing module also is used for confirming first lower limit, the value of said first output pressure and said first lower limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value less than said first lower limit of said first output pressure that said first control module is used at comparative result, improves the output pressure of said main pump (1).
16., it is characterized in that said first controller (21) is a PLC equipment according to claim 14 or 15 described controllers.
17. controller according to claim 14; It is characterized in that; Said rotary drilling rig also comprises through adding the pressurization oil cylinder (2) of pressure electromagnetic valve (3) to said drilling rod (5) pressurization; Said controller comprises also and is used to control said second controller that adds pressure electromagnetic valve (3) conducting or end that said second controller comprises second input module, second processing module and second control module that connects successively
Said second input module is used to receive the value of second output pressure of value and said pressurization oil cylinder (2) of the degree of depth of said drilling rod (5), and the value of second output pressure of the value of the degree of depth of said drilling rod (5) and said pressurization oil cylinder (2) is sent to said second processing module;
Said second processing module is used for confirming corresponding preset second higher limit, the value of said second output pressure and said second higher limit being compared and comparative result is sent to said second control module according to the value of the said degree of depth;
It is under the situation of value greater than said second higher limit of said second output pressure that said second control module is used at comparative result, and the said pressure electromagnetic valve (3) that adds is ended.
18. controller according to claim 17 is characterized in that,
Said second processing module can also be used for confirming corresponding preset second lower limit, the value and said second lower limit of said second output pressure being compared according to the value of the said degree of depth, and comparative result is sent to said second control module;
It is under the situation of value less than said second higher limit of said second output pressure that said second control module is used at comparative result, makes said pressure electromagnetic valve (3) conducting that adds.
19., it is characterized in that said second controller (22) is a PLC equipment according to claim 17 or 18 described controllers.
20. controller according to claim 14; It is characterized in that; Said rotary drilling rig also comprises through adding the pressurization oil cylinder (2) of pressure electromagnetic valve (3) to said drilling rod (5) pressurization; Said controller comprises also and is used to control said the 3rd controller that adds pressure electromagnetic valve (3) conducting or end that said the 3rd controller comprises the 3rd input module, the 3rd processing module and the 3rd control module that connects successively
Said the 3rd input module is used to receive the value at the inclination angle on chassis (4), and the value at the inclination angle on this chassis 4 is sent to said the 3rd processing module;
Said the 3rd processing module is used for the value at said angle and said the 3rd higher limit are compared, and comparative result is sent to said the 3rd control module;
Said the 3rd control module is used under the situation of the value that relatively is combined into said inclination angle greater than said the 3rd higher limit, and the said pressure electromagnetic valve (3) that adds is ended.
21. controller according to claim 17; It is characterized in that; Said controller comprises also and is used to control said the 3rd controller that adds pressure electromagnetic valve (3) conducting or end that said the 3rd controller comprises the 3rd input module, the 3rd processing module and the 3rd control module
Said the 3rd input module is used to receive the value at the inclination angle on chassis (4), and the value at the inclination angle of this chassis (4) is sent to said the 3rd processing module;
Said the 3rd processing module is used for the value at said angle and said the 3rd higher limit are compared, and comparative result is sent to said the 3rd control module;
Said the 3rd control module is used under the situation of the value that relatively is combined into said inclination angle greater than said the 3rd higher limit, and the said pressure electromagnetic valve (3) that adds is ended.
22. according to claim 20 or 21 described controllers, it is characterized in that,
Said the 3rd processing module can also be used for the value at said inclination angle and the 3rd lower limit are compared, and sends comparative result to said the 3rd control module;
It is under the situation of value less than said the 3rd lower limit at said inclination angle that said the 3rd control module is used at comparative result, makes said pressure electromagnetic valve (3) conducting that adds.
23. controller according to claim 22 is characterized in that, said the 3rd controller (23) is a PLC equipment.
24. protective device that is used for rotary drilling rig; Said rotary drilling rig comprises drilling rod (5) and is used to drive the main pump (1) that this drilling rod (5) rotates; It is characterized in that; Said protective device comprise the value of the degree of depth that is used to detect said drilling rod (5) depth sensor, be used to detect first controller (21) that the first sensor (11) and being used for of value of first output pressure of said main pump (1) is adjusted first output pressure of said main pump (1); This first controller (21) comprises first input module, first processing module and first control module that connects successively, wherein
Said depth sensor is connected with said first input module with said first sensor (11), and said first input module is used for being sent to said first processing module from the value of the degree of depth of the said drilling rod (5) of said depth sensor with from the value of first output pressure of the said main pump (1) of said first sensor (11);
Said first processing module is used for confirming first higher limit, the value of said first output pressure and said first higher limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value greater than said first higher limit of said first output pressure that said first control module is used at comparative result, reduces by first output pressure of said main pump (1).
25. protective device according to claim 24 is characterized in that,
Said first processing module also is used for confirming first lower limit, the value of said first output pressure and said first lower limit being compared and comparative result is sent to said first control module according to the value of the said degree of depth;
It is under the situation of value less than said first lower limit of said first output pressure that said first control module is used at comparative result, improves first output pressure of said main pump (1).
26. protective device according to claim 24 is characterized in that, said first controller (21) is a PLC equipment.
27. protective device according to claim 24; It is characterized in that; Said rotary drilling rig also comprises through adding the pressurization oil cylinder (2) of pressure electromagnetic valve (3) to said drilling rod (5) pressurization; Said protective device also comprise second output pressure that is used to detect said pressurization oil cylinder (2) value second sensor (12) and be used to control said second controller (22) that adds pressure electromagnetic valve (3) conducting or end; This second controller (22) comprises second input module, second processing module and second control module that connects successively, wherein
Said second sensor (12) is connected with said second input module, and said first input module is used for the value from second output pressure of the said pressurization oil cylinder (2) of said second sensor (12) is sent to said second processing module;
Said second processing module is used for confirming second upper limit, the value of said second output pressure and said second higher limit being compared and comparative result is sent to said second control module according to the value of the said degree of depth;
It is under the situation of value greater than said second higher limit of said second output pressure that said second control module is used at comparative result, and the said pressure electromagnetic valve (3) that adds is ended.
28. protective device according to claim 27 is characterized in that,
Said second processing module can also be used for confirming corresponding preset second lower limit, the value and said second lower limit of said second output pressure being compared according to the value of the said degree of depth, and comparative result is sent to said second control module;
It is under the situation of value less than said second higher limit of said second output pressure that said second control module is used at comparative result, makes said pressure electromagnetic valve (3) conducting that adds.
29. protective device according to claim 27 is characterized in that, said second controller (22) is a PLC equipment.
30. protective device according to claim 24; It is characterized in that; Said rotary drilling rig also comprises through adding the pressurization oil cylinder (2) of pressure electromagnetic valve (3) to said drilling rod (5) pressurization, said protective device also comprise the inclination angle that is used to detect chassis (4) value the 3rd sensor (13) be used to control said the 3rd controller (23) that adds pressure electromagnetic valve (3) conducting or end, the 3rd controller (23) comprises the 3rd input module, the 3rd processing module and the 3rd control module of connection successively; Wherein
Said the 3rd sensor (13) is connected with said the 3rd input module, and said the 3rd input module is used for the value from the inclination angle on the said chassis (4) of said the 3rd sensor (13) is sent to said the 3rd processing module;
Said the 3rd processing module is used for the value at said inclination angle and said the 3rd higher limit are compared, and comparative result is sent to said the 3rd control module;
It is under the situation of value greater than said the 3rd higher limit at said inclination angle that said the 3rd control module is used at comparative result, and the said pressure electromagnetic valve (3) that adds is ended.
31. protective device according to claim 27; It is characterized in that; Said protective device also comprises the 3rd sensor (13) at the inclination angle that is used to detect chassis (4) and is used to control said the 3rd controller (23) that adds pressure electromagnetic valve (3) conducting or end; The 3rd controller (23) comprises the 3rd input module, the 3rd processing module and the 3rd control module that connects successively, wherein
Said the 3rd sensor (13) is connected with said the 3rd input module, and said the 3rd input module is used for the value from the inclination angle on the said chassis (4) of said the 3rd sensor (13) is sent to said the 3rd processing module;
Said the 3rd processing module is used for the value at said inclination angle and said the 3rd higher limit are compared, and comparative result is sent to said the 3rd control module;
It is under the situation of value greater than said the 3rd higher limit at said inclination angle that said the 3rd control module is used at comparative result, and the said pressure electromagnetic valve (3) that adds is ended.
32. according to claim 30 or 31 described protective devices, it is characterized in that,
Said the 3rd processing module can also be used for the value at said inclination angle and the 3rd lower limit are compared, and sends comparative result to said the 3rd control module;
It is under the situation of value less than said the 3rd lower limit at said inclination angle that said the 3rd control module is used at comparative result, makes said pressure electromagnetic valve (3) conducting that adds.
33. protective device according to claim 32 is characterized in that, said the 3rd controller (23) is a PLC equipment.
34. a rotary drilling rig is characterized in that, this rotary drilling rig comprises any described protective device in the aforesaid right requirement 24 to 33.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110271829 CN102337845B (en) | 2011-09-14 | 2011-09-14 | Protection method for rotary drilling rig, controller, protection device and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110271829 CN102337845B (en) | 2011-09-14 | 2011-09-14 | Protection method for rotary drilling rig, controller, protection device and rotary drilling rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102337845A true CN102337845A (en) | 2012-02-01 |
| CN102337845B CN102337845B (en) | 2013-03-27 |
Family
ID=45513770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110271829 Active CN102337845B (en) | 2011-09-14 | 2011-09-14 | Protection method for rotary drilling rig, controller, protection device and rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102337845B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606321A (en) * | 2012-03-22 | 2012-07-25 | 中联重科股份有限公司 | Controller, system and method for adjusting gear of rotary drilling rig, and rotary drilling rig |
| CN102937018A (en) * | 2012-10-31 | 2013-02-20 | 中联重科股份有限公司 | Method and device for pressurization control of full-friction type drill rod and rotary drilling rig |
| WO2013037110A1 (en) * | 2011-09-14 | 2013-03-21 | 长沙中联重工科技发展股份有限公司 | Protecting method and controller for rotary drilling rig, protecting system and rotary drilling rig |
| CN103233717A (en) * | 2013-04-15 | 2013-08-07 | 中联重科股份有限公司 | Rotary drilling rig and control method, device and system thereof |
| CN103527535A (en) * | 2013-10-16 | 2014-01-22 | 上海中联重科桩工机械有限公司 | Rotary drilling rig and control method and control device of pressurizing oil cylinder of rotary drilling rig |
| CN106812518A (en) * | 2015-09-15 | 2017-06-09 | 山特维克矿山工程机械有限公司 | Equipment, rock drill and method for rock-boring |
| CN113073637A (en) * | 2021-04-08 | 2021-07-06 | 江苏苏中建设集团岩土工程有限公司 | Construction process method of bored pile of rotary drilling rig |
| CN114151063A (en) * | 2021-12-14 | 2022-03-08 | 上海中联重科桩工机械有限公司 | Method and system for controlling driving force of rotary drilling rig and storage medium |
| CN114151063B (en) * | 2021-12-14 | 2024-04-12 | 上海中联重科桩工机械有限公司 | Method, system and storage medium for controlling tunneling force of rotary drilling rig |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5803193A (en) * | 1995-10-12 | 1998-09-08 | Western Well Tool, Inc. | Drill pipe/casing protector assembly |
| CN2924002Y (en) * | 2006-04-17 | 2007-07-18 | 田文广 | Well-drilling depth measuring device |
| CN101392529A (en) * | 2008-10-31 | 2009-03-25 | 北京市三一重机有限公司 | Bored pile control method, control system and drill using the control system |
| CN101798916A (en) * | 2010-02-26 | 2010-08-11 | 北京市三一重机有限公司 | Rock entering drilling machine and control system and control method thereof |
-
2011
- 2011-09-14 CN CN 201110271829 patent/CN102337845B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5803193A (en) * | 1995-10-12 | 1998-09-08 | Western Well Tool, Inc. | Drill pipe/casing protector assembly |
| CN2924002Y (en) * | 2006-04-17 | 2007-07-18 | 田文广 | Well-drilling depth measuring device |
| CN101392529A (en) * | 2008-10-31 | 2009-03-25 | 北京市三一重机有限公司 | Bored pile control method, control system and drill using the control system |
| CN101798916A (en) * | 2010-02-26 | 2010-08-11 | 北京市三一重机有限公司 | Rock entering drilling machine and control system and control method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴万荣等: "《潜孔钻机推进力自动控制策略研究》", 《中国机械工程》, vol. 11, no. 12, 31 December 2000 (2000-12-31), pages 1360 - 1363 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013037110A1 (en) * | 2011-09-14 | 2013-03-21 | 长沙中联重工科技发展股份有限公司 | Protecting method and controller for rotary drilling rig, protecting system and rotary drilling rig |
| CN102606321B (en) * | 2012-03-22 | 2014-06-04 | 中联重科股份有限公司 | Controller, system and method for adjusting gear of rotary drilling rig, and rotary drilling rig |
| CN102606321A (en) * | 2012-03-22 | 2012-07-25 | 中联重科股份有限公司 | Controller, system and method for adjusting gear of rotary drilling rig, and rotary drilling rig |
| CN102937018A (en) * | 2012-10-31 | 2013-02-20 | 中联重科股份有限公司 | Method and device for pressurization control of full-friction type drill rod and rotary drilling rig |
| CN102937018B (en) * | 2012-10-31 | 2015-07-15 | 中联重科股份有限公司 | Method and device for pressurization control of full-friction type drill rod and rotary drilling rig |
| CN103233717A (en) * | 2013-04-15 | 2013-08-07 | 中联重科股份有限公司 | Rotary drilling rig and control method, device and system thereof |
| CN103233717B (en) * | 2013-04-15 | 2016-02-10 | 中联重科股份有限公司 | Rotary drilling rig and control method, equipment and system |
| CN103527535A (en) * | 2013-10-16 | 2014-01-22 | 上海中联重科桩工机械有限公司 | Rotary drilling rig and control method and control device of pressurizing oil cylinder of rotary drilling rig |
| CN103527535B (en) * | 2013-10-16 | 2015-11-18 | 上海中联重科桩工机械有限公司 | The controlling method of rotary drilling rig and pressurization oil cylinder thereof and control gear |
| CN106812518A (en) * | 2015-09-15 | 2017-06-09 | 山特维克矿山工程机械有限公司 | Equipment, rock drill and method for rock-boring |
| CN113073637A (en) * | 2021-04-08 | 2021-07-06 | 江苏苏中建设集团岩土工程有限公司 | Construction process method of bored pile of rotary drilling rig |
| CN114151063A (en) * | 2021-12-14 | 2022-03-08 | 上海中联重科桩工机械有限公司 | Method and system for controlling driving force of rotary drilling rig and storage medium |
| CN114151063B (en) * | 2021-12-14 | 2024-04-12 | 上海中联重科桩工机械有限公司 | Method, system and storage medium for controlling tunneling force of rotary drilling rig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102337845B (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102337845B (en) | Protection method for rotary drilling rig, controller, protection device and rotary drilling rig | |
| RU2426872C1 (en) | Automatic drilling practice with constant parameter of control of pressure derivative | |
| EP2870320B1 (en) | Method for reducing stick-slip during wellbore drilling | |
| US11118430B2 (en) | Virtual brake system | |
| CN102797787B (en) | Concrete distributing equipment, method for restraining vibration of arm support thereof, controller and device | |
| US7721821B2 (en) | Underground boring machine and method for controlling underground boring | |
| CN102383776B (en) | Drilling machine and method, controller and system for monitoring clamping and joint of drilling rods of drilling machine | |
| US20100108381A1 (en) | Method and device for controlling at least one drilling parameter for rock drilling | |
| US20180148308A1 (en) | Amplitude limiting system of insulated aerial work platform | |
| US20170370203A1 (en) | Stick-Slip Reduction Using Combined Torsional and Axial Control | |
| CN112727435B (en) | Intelligent rock entering control device and method for rotary drilling rig | |
| US10583582B2 (en) | Intelligent surface detection and core drilling start | |
| NO336944B1 (en) | Device and method for controlling drilling parameters | |
| CN103437754A (en) | Pressurization control method and pressurization control system for rotary drilling rig | |
| FI121027B (en) | Procedure for controlling striking rock drilling, software product and rock drilling device | |
| CN102937018A (en) | Method and device for pressurization control of full-friction type drill rod and rotary drilling rig | |
| JP6674848B2 (en) | Reaming drilling method and reaming drilling device | |
| CN1265074C (en) | Dual-guide dual-hydroaulic cylinder deep-sea core drilling machine | |
| KR20160107746A (en) | Verticality and Hydraulics Check Module | |
| CN105804653A (en) | Method for adjusting vertical well drilling automatic adjusting device | |
| DK2976485T3 (en) | Power turning head for a drill pipe | |
| CN202531020U (en) | Long earth auger using hydraulic main hoist | |
| CN214403551U (en) | Roofbolter drill bit stratum intensity induction system | |
| WO2013037110A1 (en) | Protecting method and controller for rotary drilling rig, protecting system and rotary drilling rig | |
| CN102589513B (en) | Drilling jumbo and drill rod deformation detection device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |