CN103508354A - Method, device and system for controlling dropping of sliding hopper of scaling ladder mechanism and aerial operation machine - Google Patents
Method, device and system for controlling dropping of sliding hopper of scaling ladder mechanism and aerial operation machine Download PDFInfo
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- CN103508354A CN103508354A CN201310484382.5A CN201310484382A CN103508354A CN 103508354 A CN103508354 A CN 103508354A CN 201310484382 A CN201310484382 A CN 201310484382A CN 103508354 A CN103508354 A CN 103508354A
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Abstract
The invention discloses a method, device and system for controlling dropping of a sliding hopper of a scaling ladder mechanism and an aerial operation machine. The scaling ladder mechanism comprises a scaling ladder, the sliding hopper capable of sliding in the length direction of the scaling ladder, and a driving device used for driving the sliding hopper to slide, wherein the driving device comprises a winch, a pulley and a rope, the winch and the pulley are respectively installed on the scaling ladder, one end of the rope is connected to the sliding hopper, and the other end of the rope winds across the pulley and is wound and unwound through the winch. The method includes the steps that in the dropping process of the sliding hopper, the v1 and v2 are obtained at the same time, the v1 serves as a rope discharging speed of the pulley, the v2 serves as a rope discharging speed of the winch or the speed of the sliding hopper, when the v1 is equal to the v2, the winch maintains rope discharging operation, and when the v1 is unequal to the v2, the winch stops rope discharging operation. The rope discharging speed of the pulley can be used for replacing the speed of the sliding hopper, thus whether the pulley and the winch are synchronous can be detected to judge whether the rope is loosened or not, and corresponding operation is carried out to ensure safe operation.
Description
Technical field
The present invention relates to aloft work machinery, particularly, relate to the methods, devices and systems that a kind of sliding hopper of controlling aerial ladder mechanism falls and the aloft work machinery that comprises described device.
Background technology
Aloft work machinery (for example machinery of the aloft work in CN 102979449A) can be realized personnel's conveying and rescue by the sliding hopper being arranged on aerial ladder.Wherein, by elevator, drive rope to drive the lifting of sliding hopper.Elevator, as vitals, must be synchronizeed with the operation of sliding hopper, otherwise, rope easily loosening and cause thus disorder cable, by mechanical part block, the potential safety hazard such as broken lot.Therefore,, in prior art, be badly in need of solving the loosening safety problem causing of rope.
Summary of the invention
The object of this invention is to provide a kind of method that sliding hopper of controlling aerial ladder mechanism falls.
To achieve these goals, the invention provides a kind of method that sliding hopper of controlling aerial ladder mechanism falls, described aerial ladder mechanism comprises aerial ladder, sliding hopper and the actuating device for driving described sliding hopper to slide that can slide along the length direction of described aerial ladder, described actuating device comprises elevator, pulley and rope, described elevator and pulley are arranged on respectively on described aerial ladder, one end of described rope is connected in described sliding hopper, the other end of described rope is walked around described pulley also by described elevator folding and unfolding, it is characterized in that, the method comprises: in the dropping process of described sliding hopper, obtain v1 and v2 simultaneously, v1 is the speed that rope speed or described sliding hopper of described pulley, v2 is the rope speed that of described elevator, when v1 equals v2, make described elevator keep rope stretching operation, when v1 is not equal to v2, make described elevator stop rope stretching operation.
The device that the present invention also provides a kind of sliding hopper of controlling aerial ladder mechanism to fall, described aerial ladder mechanism comprises aerial ladder, sliding hopper and the actuating device for driving described sliding hopper to slide that can slide along the length direction of described aerial ladder, described actuating device comprises elevator, pulley and rope, described elevator and pulley are arranged on respectively on described aerial ladder, one end of described rope is connected in described sliding hopper, the other end of described rope is walked around described pulley also by described elevator folding and unfolding, wherein, the device that the sliding hopper of described control aerial ladder mechanism falls comprises detecting unit and control unit, described detecting unit obtains the signal of reflection v1 and v2 simultaneously and this signal is sent to described control unit for the dropping process at described sliding hopper, v1 is the speed that rope speed or described sliding hopper of described pulley, v2 is the rope speed that of described elevator, described control unit is controlled the operation of described elevator for receiving described signal basis to the judgement of described signal, wherein: when v1 equals v2, described control unit is controlled described elevator and is kept rope stretching operation, when v1 is not equal to v2, described control unit is controlled described elevator and is stopped rope stretching operation.
The system that the present invention also provides a kind of sliding hopper of controlling aerial ladder mechanism to fall, wherein, this system comprises device that the sliding hopper of control aerial ladder of the present invention mechanism falls and for driving the executive device of described elevator, described control unit is according to the operation of executive device described in described signal control.
By technique scheme, can be by the speed that rope speed replaces sliding hopper that goes out of pulley, thus can whether synchronously judge that whether rope is loosening by detecting pulley and elevator, and carry out operating to guarantee safe in operation accordingly.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of the aerial ladder mechanism of explanation a kind of embodiment of using the device that the sliding hopper of control aerial ladder of the present invention mechanism falls
Fig. 2 is the diagram of circuit of a kind of embodiment of the method that falls of the sliding hopper of explanation control aerial ladder of the present invention mechanism;
Fig. 3 is the schematic diagram of the mounting structure of explanation pulley.
Description of reference numerals
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality Ru“ upper and lower, left and right of use " typically refer to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
According to an aspect of the present invention, a kind of method that provides sliding hopper of controlling aerial ladder mechanism to fall, described aerial ladder mechanism comprises aerial ladder 10, the sliding hopper 30 that can slide along the length direction of described aerial ladder 10 and the actuating device 40 for driving described sliding hopper 30 to slide, described actuating device 40 comprises elevator 41, pulley 42 and rope 43, described elevator 41 and pulley 42 are arranged on respectively on described aerial ladder 10, described rope 43 one end is connected in described sliding hopper 30, the other end of described rope 43 is walked around described pulley 42 also by described elevator 41 folding and unfoldings, wherein, the method comprises: in the dropping process of described sliding hopper 30, obtain v1 and v2 simultaneously, v1 is the speed that rope speed or described sliding hopper 30 of described pulley 42, v2 is the rope speed that of described elevator 41, when v1 equals v2, make described elevator 41 keep rope stretching operation, when v1 is not equal to v2, make described elevator 41 stop rope stretching operation.
As shown in Figure 1, sliding hopper 30 can slide along aerial ladder 10, to carry out fast lifting, transfers to rapidly on sliding hopper 30 and by sliding hopper 30 and drops to rapidly, safely ground, to withdraw rapidly thereby can make to be arranged on personnel in the working bucket 20 on aerial ladder 10 tops.
Wherein, sliding hopper 30 can slide along the track-type facilities being arranged on aerial ladder 10, described track-type facilities comprises that the guide rail in the main body that is arranged on aerial ladder 10 also can be with respect to described main body along the flexible slide bar 50 of the length direction of described main body with the bottom setting that is arranged on described main body, described slide bar 50 can be used as the extension of described guide rail, so that sliding hopper 30 can drop to ground.
In normal course of operation, the speed that goes out rope speed and sliding hopper 30 of pulley 42 is consistent, and is all v1.Therefore, by detecting v1 and v2 and can judging that according to whether the two numerical value is identical whether rope 43 is loosening.
In one embodiment of the invention, v1 is the rope speed that of pulley 42, thereby can whether synchronously judge that whether rope 43 is loosening by detecting pulley 42 and elevator 41, and carries out operating to guarantee safe in operation accordingly.
Wherein, v1 and v2 can obtain by various suitable modes, for example can direct-detection.Selectively, can be by detecting the rotational angular velocity ω 1 of described pulley 42 and the rotational angular velocity ω 2 of elevator 41 and calculating v1 and v2 according to v1=r1 * ω 1 and v2=r2 * ω 2, wherein, r1 and r2 are respectively the swinging radius of described pulley 42 and described elevator 41.
In one embodiment of the invention, v1 is the speed of described sliding hopper 30, thus the going out rope speed and whether synchronize to judge that whether rope 43 is loosening of speed that can be by judging sliding hopper 30 and elevator 41, and carry out operating to guarantee safe in operation accordingly.
Wherein, v1 and v2 can obtain by various suitable modes.For example, can be by detecting described sliding hopper 30 along the length direction slip preset distance s time t used of described aerial ladder 10 and calculating v1 according to v1=s/t, and by detecting the rotational angular velocity ω 2 of described elevator 41 and calculating v2 according to v2=r2 * ω 2, wherein, r2 is the swinging radius of described elevator 41.
According to a further aspect in the invention, the device that provides a kind of sliding hopper of controlling aerial ladder mechanism to fall, described aerial ladder mechanism comprises aerial ladder 10, the sliding hopper 30 that can slide along the length direction of described aerial ladder 10 and the actuating device 40 for driving described sliding hopper 30 to slide, described actuating device 40 comprises elevator 41, pulley 42 and rope 43, described elevator 41 and pulley 42 are arranged on respectively on described aerial ladder 10, described rope 43 one end is connected in described sliding hopper 30, the other end of described rope 43 is walked around described pulley 42 also by described elevator 41 folding and unfoldings, wherein, the device that the sliding hopper of described control aerial ladder mechanism falls comprises detecting unit and control unit, described detecting unit obtains the signal of reflection v1 and v2 simultaneously and this signal is sent to described control unit for the dropping process at described sliding hopper 30, v1 is the speed that rope speed or described sliding hopper 30 of described pulley 42, v2 is the rope speed that of described elevator 41, described control unit is controlled the operation of described elevator 41 for receiving described signal basis to the judgement of described signal, wherein: when v1 equals v2, described control unit is controlled described elevator 41 and is kept rope stretching operation, when v1 is not equal to v2, described control unit is controlled described elevator 41 and is stopped rope stretching operation.
Wherein, detecting unit can adopt various suitable forms, and the object that detecting unit detects can be v1 and v2 itself, can be also corresponding parameter.
In one embodiment of the invention, v1 is the rope speed that of pulley 42.Preferably, described detecting unit comprises for detection of the sensor 45 of the rotational angular velocity ω 1 of described pulley 42 with for detection of the coder of the rotational angular velocity ω 2 of described elevator 41, described control unit calculates v1 and v2 according to v1=r1 * ω 1 and v2=r2 * ω 2, wherein, r1 and r2 are respectively the swinging radius of described pulley 42 and described elevator 41.
Particularly, as shown in Figure 2, for example, when sliding hopper starts to fall (manual operation handle control sliding hopper start to fall), elevator 41 starts rope stretchings.Meanwhile, start to detect the rotational angular velocity ω 1 of pulley 42 and the rotational angular velocity ω 2 of elevator 41, and obtain v1 and v2 by calculating.In dropping process, by real-time contrast v1 and v2, decide corresponding operation.That is to say, when v1=v2, rope 43 tensions are described, keep the rope stretching operation of elevator 41; When v1 ≠ v2, rope 43 loosening (for example sliding hopper 30 blocks or slided into the end) is described, stop the rope stretching operation of elevator 41, and report to the police and inform operating personal inspection.
Fig. 3 shows the mounting structure of pulley 42.Particularly, pulley 42 is installed on pulley base 44 by bearing pin 46 and back-up ring 47, is provided with in the spaced a plurality of sensing holes 49 of same circumference equal angles on pulley 42.Sensor 45 is installed on pulley base 44 by two nuts 48, thereby can be according to the rotational angular velocity ω 1 that passes through to obtain pulley 42 of sensing sensing hole.Coder can directly be installed on elevator 41, and directly obtains the rotational angular velocity ω 2 of elevator 41, at this, does not elaborate.
In another embodiment of the invention, v1 is the speed of described sliding hopper 30.Preferably, described detecting unit comprises for detection of the detector of the length direction slip preset distance s time t used along described aerial ladder 10 with for detection of the coder 45 of the rotational angular velocity ω 2 of described elevator 41, described control unit calculates v1 and v2 according to v1=s/t and v2=r2 * ω 2, wherein, r2 is the swinging radius of described elevator 41.
For obtaining as far as possible exactly the speed v 1 of sliding hopper 30, preset distance s can be arranged short as far as possible, in addition a plurality of measuring sections can be set along the sliding path of sliding hopper 30, the length of each measuring section is as the preset distance s of this section, thereby can substantially detect in real time the speed of sliding hopper 30.
In addition, detector can be various forms, as long as can detect the 30 slip preset distance s times used of sliding hopper.Preferably, described detector is the spaced a plurality of travel switches of sliding path along described sliding hopper 30.Thus, by a plurality of travel switches, the sliding path of sliding hopper 30 can be divided into a plurality of above-mentioned detection segment, distance between adjacent two travel switches is the preset distance s of this detection segment, during sliding hopper 30 process travel switch, by energizing signal, the time gap between adjacent two travel switch institute give a signals is sliding hopper 30 slip preset distance s time t used.
According to a further aspect in the invention, the system that provides a kind of sliding hopper of controlling aerial ladder mechanism to fall, wherein, this system comprises device that the sliding hopper of control aerial ladder of the present invention mechanism falls and for example, for driving the executive device (motor) of described elevator 41, described control unit is according to the operation of executive device described in described signal control.
According to a further aspect in the invention, provide a kind of aloft work machinery, wherein, this aloft work machinery comprises the device that the sliding hopper of aerial ladder mechanism and control aerial ladder of the present invention mechanism falls.
Wherein, aerial ladder 10 can be arranged on the turntable 60 of aloft work machinery, and carries out luffing operation by 70 pairs of aerial ladders of amplitude oil cylinder 10.Turntable 60 is for example arranged on, on the crawler body (vehicle frame) of aloft work machinery, and amplitude oil cylinder 70 two ends are articulated with respectively aerial ladder 10 and turntable 60.
Aerial ladder of the present invention mechanism can adopt various suitable modes, as long as have sliding hopper 30.The structure of each parts and arrange and can arrange as required.For example, aerial ladder mechanism can be CN 102979449A Zhong aerial ladder mechanism, and corresponding parts adopt structure and setting wherein.
Whether wherein, rope can adopt various suitable materials, as long as can meet power transmission required for the present invention, transmission needs and be convenient to detect, become flexible, and is preferably steel rope.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive 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.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present invention, also can carry out combination in any, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. the method that the sliding hopper of controlling aerial ladder mechanism falls, described aerial ladder mechanism comprises aerial ladder (10), sliding hopper (30) and the actuating device (40) for driving described sliding hopper (30) to slide that can slide along the length direction of described aerial ladder (10), described actuating device (40) comprises elevator (41), pulley (42) and rope (43), described elevator (41) and pulley (42) are arranged on respectively on described aerial ladder (10), one end of described rope (43) is connected in described sliding hopper (30), the other end of described rope (43) is walked around described pulley (42) also by described elevator (41) folding and unfolding, it is characterized in that, the method comprises:
In the dropping process of described sliding hopper (30), obtain v1 and v2 simultaneously, v1 is the speed that rope speed or described sliding hopper (30) of described pulley (42), v2 is the rope speed that of described elevator (41);
When v1 equals v2, make described elevator (41) keep rope stretching operation, when v1 is not equal to v2, make described elevator (41) stop rope stretching operation.
2. the method that the sliding hopper of control aerial ladder according to claim 1 mechanism falls, it is characterized in that, v1 is the rope speed that of described pulley (42), by detecting the rotational angular velocity ω 1 of described pulley (42) and calculating v1 according to v1=r1 * ω 1, and by detecting the rotational angular velocity ω 2 of described elevator (41) and calculating v2 according to v2=r2 * ω 2, wherein, r1 and r2 are respectively the swinging radius of described pulley (42) and described elevator (41).
3. the method that the sliding hopper of control aerial ladder according to claim 1 mechanism falls, it is characterized in that, v1 is the speed of described sliding hopper (30), by detecting described sliding hopper (30) along the length direction slip preset distance s time t used of described aerial ladder (10) and calculating v1 according to v1=s/t, and by detecting the rotational angular velocity ω 2 of described elevator (41) and calculating v2 according to v2=r2 * ω 2, wherein, r2 is the swinging radius of described elevator (41).
4. the device that the sliding hopper of controlling aerial ladder mechanism falls, described aerial ladder mechanism comprises aerial ladder (10), sliding hopper (30) and the actuating device (40) for driving described sliding hopper (30) to slide that can slide along the length direction of described aerial ladder (10), described actuating device (40) comprises elevator (41), pulley (42) and rope (43), described elevator (41) and pulley (42) are arranged on respectively on described aerial ladder (10), one end of described rope (43) is connected in described sliding hopper (30), the other end of described rope (43) is walked around described pulley (42) also by described elevator (41) folding and unfolding, it is characterized in that, the device that the sliding hopper of described control aerial ladder mechanism falls comprises detecting unit and control unit, described detecting unit obtains the signal of reflection v1 and v2 simultaneously and this signal is sent to described control unit for the dropping process at described sliding hopper (30), v1 is the speed that rope speed or described sliding hopper (30) of described pulley (42), v2 is the rope speed that of described elevator (41), described control unit is controlled the operation of described elevator (41) for receiving described signal basis to the judgement of described signal, wherein: when v1 equals v2, described control unit is controlled described elevator (41) and is kept rope stretching operation, when v1 is not equal to v2, described control unit is controlled described elevator (41) and is stopped rope stretching operation.
5. the device that the sliding hopper of control aerial ladder according to claim 4 mechanism falls, it is characterized in that, v1 is the rope speed that of described pulley (42), described detecting unit comprises for detection of the sensor of the rotational angular velocity ω 1 of described pulley (42) with for detection of the coder (45) of the rotational angular velocity ω 2 of described elevator (41), described control unit calculates v1 and v2 according to v1=r1 * ω 1 and v2=r2 * ω 2, wherein, r1 and r2 are respectively the swinging radius of described pulley (42) and described elevator (41).
6. the device that the sliding hopper of control aerial ladder according to claim 4 mechanism falls, it is characterized in that, v1 is the speed of described sliding hopper (30), described detecting unit comprises for detection of the detector of the length direction slip preset distance s time t used along described aerial ladder (10) with for detection of the coder (45) of the rotational angular velocity ω 2 of described elevator (41), described control unit calculates v1 and v2 according to v1=s/t and v2=r2 * ω 2, wherein, r2 is the swinging radius of described elevator (41).
7. the device that the sliding hopper of control aerial ladder according to claim 6 mechanism falls, is characterized in that, described detector is the spaced a plurality of travel switches of sliding path along described sliding hopper (30).
8. the system that the sliding hopper of controlling aerial ladder mechanism falls, it is characterized in that, this system comprises that described control unit is according to the operation of executive device described in described signal control according to the device of the sliding hopper whereabouts of the control aerial ladder mechanism described in any one in claim 4-7 with for driving the executive device of described elevator (41).
9. an aloft work machinery, is characterized in that, this aloft work machinery comprises aerial ladder mechanism and the device falling according to the sliding hopper of the control aerial ladder mechanism described in any one in claim 4-8.
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| CN201310484382.5A CN103508354B (en) | 2013-10-16 | 2013-10-16 | The methods, devices and systems that the sliding hopper controlling aerial ladder mechanism falls and aerial operation machine |
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| CN201310484382.5A CN103508354B (en) | 2013-10-16 | 2013-10-16 | The methods, devices and systems that the sliding hopper controlling aerial ladder mechanism falls and aerial operation machine |
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| CN103508354B CN103508354B (en) | 2015-08-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104785A (en) * | 2021-04-19 | 2021-07-13 | 威海高丽亚专用汽车制造有限公司 | Aerial ladder arm protection and goods fill accurate positioning coordinated control system |
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| SU874594A1 (en) * | 1979-09-05 | 1981-10-23 | Златоустовское Монтажное Управление Треста "Востокметаллургмонтаж" | Safety rope-type tackle block |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113104785A (en) * | 2021-04-19 | 2021-07-13 | 威海高丽亚专用汽车制造有限公司 | Aerial ladder arm protection and goods fill accurate positioning coordinated control system |
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| CN103508354B (en) | 2015-08-05 |
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Address after: 410200 No. 997, Section 2, Tengfei Road, Wangcheng District, Changsha City, Hunan Province Patentee after: Hunan Zoomlion emergency equipment Co., Ltd Patentee after: Zoomlion Heavy Industry Co., Ltd Address before: 410200 No. 997, Jinxing Road, Wangcheng District, Changsha City, Hunan Province Patentee before: Changsha Zhonglian fire fighting Machinery Co., Ltd Patentee before: Zoomlion Heavy Industry Co., Ltd |