CN104339314A - Hammer pulling device - Google Patents
Hammer pulling device Download PDFInfo
- Publication number
- CN104339314A CN104339314A CN201410609139.6A CN201410609139A CN104339314A CN 104339314 A CN104339314 A CN 104339314A CN 201410609139 A CN201410609139 A CN 201410609139A CN 104339314 A CN104339314 A CN 104339314A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- bearing
- slide bar
- hammer
- hammer device
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention provides a hammer pulling device, and belongs to the field of bearing disassembly devices of mining machinery. The device comprises a sliding rod and a hammer body connected with the sliding rod in a sliding manner, wherein a baffle is arranged at one end of the sliding rod; a sleeve is arranged at the other end of the sliding rod; the sleeve is provided with a fastening structure used for fastening a bearing. When the hammer pulling device is in use, the bearing is fastened through the fastening device on the sleeve, and then the hammer body is rapidly and forcibly pulled, so that the hammer body slides along the sliding rod to impact the baffle, the hammer body applies strong instantaneous apply force to the baffle, so that the baffle drives the sliding rod, the sliding rod drives the sleeve, and the sleeve has a lifting effect on the bearing, thereby pulling out the bearing. The hammer pulling device can properly disassemble bearings on mining machinery, has a simple structure, and is easy to operate.
Description
Technical field
The present invention relates to the bearing disassembling device field of mining machine, draw hammer device in particular to one.
Background technology
In conventional mining machine, such as coal-winning machine, bearing is important drive disk assembly, and bearing in mining process, be subject to hard hit and long-term wearing and tearing can cause decline service life, therefore needs to carry out demolition and replacement to bearing.But bearing after a protracted use, owing to getting rusty, the reason such as corrosion, bearing is difficult to extract.Existing bearing removal method is generally use sledgehammer to beat, and then manually extract bearing, this method not only wastes time and energy, and is difficult to bearing to be extracted.
Summary of the invention
The invention provides one and draw hammer device, be intended to improve the problems referred to above.
The present invention is achieved in that
One draws hammer device, the hammer body comprising slide bar and be connected with described sliding bar;
One end of described slide bar is provided with baffle plate, and the other end is provided with sleeve;
Described sleeve is provided with the fastening structure for fastening bearing.
Further, described sleeve lining is provided with internal thread.
By arranging internal thread on described sleeve lining, internal thread can with bearing fit, described sleeve and bearing are twisted and are connected together, reach the object of fastening bearing, pull out bearing to rise.
Further, the sidewall of described sleeve is provided with at least two screwed holes coordinated with trip bolt.
By the sidewall at described sleeve, at least two described screwed holes are set, when fastening bearing, first by described jacket casing on bearing, then screw is screwed into until bearing clamps by screw from described screwed hole, thus reach the object of fastening bearing, pull out bearing to rise.
Further, described screwed hole is four and is in a center of symmetryly uniformly distributed.
By described screwed hole is set to four, and described screwed hole is in a center of symmetry to be uniformly distributed, when fastening bearing, four screws are adopted to be screwed into from four described screwed holes respectively, all around, four direction plays snap action to bearing respectively, it is fastening more firm to make, and pulls out bearing to rise.
Further, described sleeve is provided with chuck away from one end of described slide bar.
By arranging described chuck at described sleeve away from one end of described slide bar, bearing can clamp by described chuck well, fastening firm, pulls out bearing to rise.
Further, described sleeve and described baffle plate weld with described slide bar respectively and form one.
One is formed by described sleeve and described baffle plate being welded with described slide bar respectively, rise pull out bearing time, described hammer body applies a very large instantaneous force to described baffle plate, because described baffle plate, described slide bar and described sleeve shaped are integral, described baffle plate is enable to drive described slide bar and described sleeve well, the instantaneous force that described hammer body is applied to described baffle plate passes to described sleeve, makes described sleeve produce pulling force to bearing, and then is extracted by bearing.
Further, described slide bar is tubulose, and the middle part of described baffle plate is provided with adjusting rod, and described adjusting rod stretches in described slide bar by the opening of described slide bar one end, and described slide bar is provided with the locking device for being fixed by adjusting rod at opening part.
By arranging described adjusting rod, described adjusting rod can be stretched in described slide bar, realize the object of the spacing regulating described baffle plate and described axle sleeve thus, namely the impulse stroke of described hammer body can be regulated, different operating environment can not only be adapted to, and the size of described tup action power can be regulated.
Further, described hammer body is provided with handle, described handle is two, is arranged at the both sides that described hammer body is relative respectively.By arranging described handle on described hammer body, user can pull described hammer body by pulling described handle, is convenient to user's operation.By described handle is set to two, and two described handles are arranged at the relative both sides of described hammer body respectively, make two people can jointly with the use of, operate simultaneously, make to pull the active force of described hammer body larger, pulling force is larger, more easily extracts bearing.
Further, described handle is U-shaped, and the openend of described handle is connected with described hammer body.
The hand of the convenient people of described handle is made to grip and exert oneself.
Further, described baffle plate is provided with boss away from the side of described slide bar.
By arranging described boss at described baffle plate away from the side of described slide bar, described boss has booster action to described baffle plate, and after preventing Long-Time Service, described baffle plate produces distortion under the active force of described hammer body, the transmission of influence power, and impact normally uses.
The present invention is by drawing the hammer body that hammer device arranges slide bar and is connected with sliding bar, in one end of slide bar, baffle plate is set, the other end arranges sleeve, sleeve arranges the fastening structure being used for fastening bearing, use this draw hammer device time, by the fastening structure on sleeve, bearing is fastening, then hammer body is pulled at full tilt fast, make hammer body along sliding bar until impingement baffles, hammer body is applied to the very large instantaneous force of baffle plate, makes baffle belt moving slide-bar, slide bar band moving sleeve, sleeve has played to bearing the effect of pulling out, thus is extracted by bearing.
The hammer device that draws provided by the invention can well by the bearing removal on mining machine, and structure is simple, is easy to operation.
Accompanying drawing explanation
Fig. 1 shows the structure of drawing hammer device that the embodiment of the present invention 1 provides;
Fig. 2 shows the structure of drawing hammer device that the embodiment of the present invention 2 provides;
Fig. 3 shows the plan structure of drawing the hammer body of hammer device that the embodiment of the present invention 2 provides;
Fig. 4 shows the structure of drawing hammer device that the embodiment of the present invention 3 provides;
Fig. 5 shows the structure of drawing the sleeve of hammer device that the embodiment of the present invention 4 provides;
Fig. 6 shows the structure of drawing hammer device that the embodiment of the present invention 5 provides.
In accompanying drawing, the structure that Reference numeral represents is as follows:
101-slide bar; 102-hammer body; 103-baffle plate; 104-sleeve; 105-handle; 106-boss; 107-screwed hole; 108-chuck; 109-adjusting rod; 110-locking device.
Detailed description of the invention
The present inventor carries out finding in the process of mining activity at use mining machine equipment, when carrying out demolition and replacement to bearing, bearing after a protracted use, owing to getting rusty, the reason such as corrosion, bearing is difficult to extract, and existing bearing removal method is generally use sledgehammer to beat, and then manually extracts bearing, this method not only wastes time and energy, and is difficult to bearing to be extracted.The present inventor finds that existing bearing removal method is difficult to directly apply active force to bearing, inventor expects adopting the method indirectly bearing being applied to active force, namely adopt and draw hammer device, active force is applied to baffle plate by hammer body, then baffle belt moving sleeve, sleeve applies pulling force to bearing, and arrange on sleeve can the fastening structure of fastening bearing well, more effectively rises and pulls out bearing.
Below in conjunction with accompanying drawing, the hammer device that draws provided by the invention is illustrated:
Embodiment 1
Fig. 1 shows the structure of drawing hammer device that the embodiment of the present invention 1 provides; Refer to Fig. 1, the embodiment of the present invention 1 provides one and draws hammer device, and this draws hammer device to be mainly used in the dismounting of coal-winning machine bearing.This hammer body 102 drawing hammer device to comprise slide bar 101 and be slidably connected with slide bar 101.One end of slide bar 101 is provided with baffle plate 103, and the other end is provided with sleeve 104.Sleeve 104 is provided with the fastening structure for fastening bearing.
Use this draw hammer device time, by the fastening structure on sleeve 104, bearing is fastening, then hammer body 102 is pulled at full tilt fast, hammer body 102 is made to slide until impingement baffles 103 along slide bar 101, hammer body 102 is applied to the very large instantaneous force of baffle plate 103, and make baffle plate 103 be with moving slide-bar 101, moving sleeve 104 is with by slide bar 101, sleeve 104 pairs of bearings have played the effect of pulling out, thus are extracted by bearing.
The hammer device that draws provided by the invention can well by the bearing removal on mining machine, and structure is simple, is easy to operation.This hammer device that draws can not only, for working the bearing pulled out on mining machine, can also be used for pulling out other parts or article, such as pin, screw rod, bolt.
Embodiment 2
Fig. 2 shows the structure of drawing hammer device that the embodiment of the present invention 2 provides; Fig. 3 shows the plan structure of drawing the hammer body 102 of hammer device that the embodiment of the present invention 2 provides; Refer to Fig. 2 and Fig. 3, the embodiment of the present invention 2 provides one and draws hammer device, and this draws hammer device to comprise all technical characteristic drawing hammer device that embodiment 1 provides, and this draws hammer device also to comprise following technical characteristic:
Sleeve 104 inwall is provided with internal thread.By arranging internal thread on sleeve 104 inwall, internal thread can with bearing fit, sleeve 104 is twisted with bearing and is connected together, reach the object of fastening bearing, pull out bearing to rise.
Sleeve 104 and baffle plate 103 weld with slide bar 101 respectively and form one.Sleeve 104, baffle plate 103, slide bar 101 and hammer body 102 generally adopt metal to make, one is formed by sleeve 104 and baffle plate 103 being welded with slide bar 101 respectively, rise pull out bearing time, hammer body 102 pairs of baffle plates 103 apply a very large instantaneous force, because baffle plate 103, slide bar 101 and sleeve 104 form one, make baffle plate 103 can be with moving slide-bar 101 and sleeve 104 well, the instantaneous force that hammer body 102 is applied to baffle plate 103 passes to sleeve 104, make sleeve 104 pairs of bearings produce pulling force, and then bearing is extracted.
When making this and drawing hammer device, be generally first slide bar 101 and baffle plate 103 are welded together.Hammer body 102 is generally cylindrical, and its axis place is provided with through hole, and the aperture of through hole is greater than the diameter of slide bar 101, is enclosed within slide bar 101 by hammer body 102, then sleeve 104 and slide bar 101 is welded together.Baffle plate 103, slide bar 101 and sleeve 104 form an entirety thus.
In actual use, due to the difference of bearing type and model, the size of the sleeve 104 of needs is also different, can by the different sleeve 104 of welding to reach the object of the different bearing of dismounting.Certain sleeve 104 can be designed as with slide bar 101 and removably connects, and when needing to dismantle different bearings, only need change different sleeves 104.
Hammer body 102 is provided with handle 105.By arranging handle 105 on hammer body 102, user can pull hammer body 102 by pull handle 105, is convenient to user's operation.
Handle 105 is two, is arranged at the both sides that hammer body 102 is relative respectively.By handle 105 is set to two, and two handles 105 are arranged at the relative both sides of hammer body 102 respectively, make two people can jointly with the use of, operate, make to pull the active force of hammer body 102 larger, pulling force is larger, more easily extracts bearing simultaneously.
Handle 105 is U-shaped, and the openend of handle 105 is connected with hammer body 102.The hand of the convenient people of handle 105 is made to grip and exert oneself.
Baffle plate 103 is provided with boss 106 away from the side of slide bar 101.By arranging boss 106 at baffle plate 103 away from the side of slide bar 101, boss 106 pairs of baffle plates 103 have booster action, and after preventing Long-Time Service, baffle plate 103 produces distortion under the active force of hammer body 102, the transmission of influence power, and impact normally uses.
Use this draw hammer device time, by the internal thread on sleeve 104, bearing is fastening, hold and be held on handle 105, then quick pull handle 105 at full tilt, make hammer body 102 slide until impingement baffles 103 along slide bar 101, hammer body 102 is applied to the very large instantaneous force of baffle plate 103, baffle plate 103 is made to be with moving slide-bar 101, moving sleeve 104 is with by slide bar 101, and sleeve 104 pairs of bearings have played the effect of pulling out, thus are extracted by bearing.
Hammer body 102 is applied to baffle plate 103 instantaneous force and is determined by the length of the weight and slide bar 101 of drawing hammer, the length of the weight of hammer and slide bar 101 can be drawn to regulate active force by regulating.
Generally jointly coordinated by two people during execute-in-place, also can a people be used alone.On-the-spot mainly to use in the region that space is less, but this draws hammer, and device vertically can place use, also can use by slant setting, determine according to the actual conditions at scene.
Embodiment 3
The embodiment of the present invention 3 provides one and draws hammer device, and this draws hammer device to be only that the structure of sleeve 104 is different from the difference hammering device into shape of drawing that embodiment 2 provides.
Fig. 4 shows the structure of drawing hammer device that the embodiment of the present invention 3 provides; Refer to Fig. 4, what the embodiment of the present invention 3 provided draws the sidewall of the sleeve 104 of hammer device to be provided with at least two screwed holes coordinated with trip bolt 107.At least two screwed holes 107 are set by the sidewall at sleeve 104, when fastening bearing, first sleeve 104 are enclosed within bearing, then screw are screwed into until bearing clamps by screw from screwed hole 107, thus reach the object of fastening bearing, pull out bearing to rise.
Screwed hole 107 is four and is in a center of symmetryly uniformly distributed.By screwed hole 107 is set to four, and screwed hole 107 is in a center of symmetry is uniformly distributed, when fastening bearing, four screws are adopted to be screwed into from four screwed holes 107 respectively, all around, four direction plays snap action to bearing respectively, and it is fastening more firm to make, and pulls out bearing to rise.
Embodiment 4
The embodiment of the present invention 4 provides one and draws hammer device, and this draws hammer device to be only that the structure of sleeve 104 is different from the difference hammering device into shape of drawing that embodiment 2 provides.
Fig. 5 shows the structure of drawing the sleeve 104 of hammer device that the embodiment of the present invention 4 provides; Refer to Fig. 5, what the embodiment of the present invention 4 provided draws the sleeve 104 of hammer device that one end of slide bar 101 is provided with chuck 108.By arranging chuck 108 at sleeve 104 away from one end of slide bar 101, bearing can clamp by chuck 108 well, fastening firm, pulls out bearing to rise.
Chuck 108 is the existing mechanical device for clamping work pieces.Chuck 108 generally comprises chuck body, movable jaw and claw driving mechanism.Claw driving mechanism generally adopts bevel gear transmission, regulates moving radially of movable jaw with the square hole that spanner inserts on chuck body.Chuck 108 utilize be distributed on movable jaw on chuck body move radially a Workpiece clamping.The quantity of movable jaw is generally three.
Embodiment 5
Fig. 6 shows the structure of drawing hammer device that the embodiment of the present invention 5 provides; Refer to Fig. 6, the embodiment of the present invention 5 provides one and draws hammer device, and this difference hammering device into shape of drawing of drawing hammer device and embodiment 2 to provide only is:
Slide bar 101 is tubulose, and the middle part of baffle plate 103 is provided with adjusting rod 109, and adjusting rod 109 stretches in slide bar 101 by the opening of slide bar 101 one end, and slide bar 101 is provided with the locking device 110 for being fixed by adjusting rod 109 at opening part.Locking device 110 is existing locking mechanism, can structure with bolts, buckle structure etc.Adjusting rod 109 and slide bar 101 form telescope structure.
By arranging adjusting rod 109, adjusting rod 109 can be stretched in slide bar 101, realize the object of controllable register 103 and the spacing of axle sleeve thus, namely can the impulse stroke of governor weight body 102, different operating environment can not only be adapted to, and the size of hammer body 102 active force can be regulated.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. draw a hammer device, it is characterized in that, the hammer body comprising slide bar and be connected with described sliding bar;
One end of described slide bar is provided with baffle plate, and the other end is provided with sleeve;
Described sleeve is provided with the fastening structure for fastening bearing.
2. according to claim 1ly draw hammer device, it is characterized in that, described sleeve lining is provided with internal thread.
3. according to claim 1ly draw hammer device, it is characterized in that, the sidewall of described sleeve is provided with at least two screwed holes coordinated with trip bolt.
4. according to claim 3ly draw hammer device, it is characterized in that, described screwed hole is four and is in a center of symmetryly uniformly distributed.
5. according to claim 1ly draw hammer device, it is characterized in that, described sleeve is provided with chuck away from one end of described slide bar.
6. according to claim 1ly draw hammer device, it is characterized in that, described sleeve and described baffle plate weld with described slide bar respectively and form one.
7. according to claim 1ly draw hammer device, it is characterized in that, described slide bar is tubulose, the middle part of described baffle plate is provided with adjusting rod, described adjusting rod stretches in described slide bar by the opening of described slide bar one end, and described slide bar is provided with the locking device for being fixed by adjusting rod at opening part.
8. according to claim 1ly draw hammer device, it is characterized in that, described hammer body is provided with handle, described handle is two, is arranged at the both sides that described hammer body is relative respectively.
9. according to claim 8ly draw hammer device, it is characterized in that, described handle is U-shaped, and the openend of described handle is connected with described hammer body.
10. according to claim 1ly draw hammer device, it is characterized in that, described baffle plate is provided with boss away from the side of described slide bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609139.6A CN104339314A (en) | 2014-11-02 | 2014-11-02 | Hammer pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609139.6A CN104339314A (en) | 2014-11-02 | 2014-11-02 | Hammer pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104339314A true CN104339314A (en) | 2015-02-11 |
Family
ID=52496198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410609139.6A Pending CN104339314A (en) | 2014-11-02 | 2014-11-02 | Hammer pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104339314A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426004A (en) * | 2016-08-30 | 2017-02-22 | 山东天马新型建材有限公司 | Box culvert wedge block removing hammer |
| CN110757400A (en) * | 2019-11-20 | 2020-02-07 | 贵州华烽电器有限公司 | Electric wheelchair output shaft disassembling tool and disassembling method thereof |
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| CN203831345U (en) * | 2014-05-12 | 2014-09-17 | 永城煤电控股集团有限公司 | Combined device for disassembling outer sleeve of small bearing of flexible shaft of coal mining machine |
| CN204183514U (en) * | 2014-11-02 | 2015-03-04 | 陕西南梁矿业有限公司 | One draws hammer device |
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2014
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| US1344606A (en) * | 1920-06-22 | Bbvebsing mechanism | ||
| DE19516648A1 (en) * | 1995-05-05 | 1996-11-07 | Bayerische Motoren Werke Ag | Retraction tool for removing seals |
| US6311381B1 (en) * | 1999-09-02 | 2001-11-06 | William Wendelgast, Jr. | Alternator bearing depth setting tool |
| US20030041431A1 (en) * | 2001-08-23 | 2003-03-06 | Heflin Frederick L. | Bearing cup extraction tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426004A (en) * | 2016-08-30 | 2017-02-22 | 山东天马新型建材有限公司 | Box culvert wedge block removing hammer |
| CN110757400A (en) * | 2019-11-20 | 2020-02-07 | 贵州华烽电器有限公司 | Electric wheelchair output shaft disassembling tool and disassembling method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20150211 |