CN212192963U - Pin puller - Google Patents
Pin puller Download PDFInfo
- Publication number
- CN212192963U CN212192963U CN202020642639.0U CN202020642639U CN212192963U CN 212192963 U CN212192963 U CN 212192963U CN 202020642639 U CN202020642639 U CN 202020642639U CN 212192963 U CN212192963 U CN 212192963U
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- pull rod
- pin
- sleeve
- pin shaft
- clamping device
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Abstract
The utility model discloses a pin puller, including sharp drive arrangement and clamping device, sharp drive arrangement includes the inner tube, clamping device include with the coaxial pull rod that sets up of inner tube, overlap in the sleeve of pull rod front end and be equipped with a pair of claw in the sleeve, be equipped with round pin axle I between a pair of claw, round pin axle I is connected in the pull rod, clamping device is still including being used for driving the sleeve for the gliding controlling device of pull rod. The clamping device of the utility model can be connected with the pin shaft to be unplugged through the adaptive bolt, thereby greatly improving the adaptability of the utility model; more importantly, the clamping device can open the pair of claws when the pin shaft is pulled out, so that the pin puller is more convenient to clamp and loosen, the butt joint difficulty is greatly reduced, and the disassembly efficiency is also improved.
Description
Technical Field
The utility model relates to a special assembly and disassembly tools, concretely relates to pin puller.
Background
In hydraulic support, often need dismantle and reform transform the local beam that supports of hydraulic support, to dismantling in the aspect of the hydraulic support round pin axle, traditional pulling pin structure is too simple, needs to consume a large amount of manpowers, dismantles inefficiency. The existing pin puller is suitable for a pin shaft with a narrow diameter, is not used for plugging and unplugging a pin shaft with a large diameter of a hydraulic support, is inconvenient to install clamping equipment for treating the pin shaft by the existing pin puller, is low in working efficiency, and is poor in adaptability to pin shafts with different specifications, so that the pin puller cannot be used due to butt joint of the pin puller and the pin shaft to be pulled.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a big, the commonality of amplitude of regulation is good and fixed firm pulling pin ware realizes through following technical scheme particularly:
pin puller, including linear drive device and clamping device, linear drive device includes the inner tube, clamping device include with the coaxial pull rod that sets up of inner tube, overlap in the sleeve of pull rod front end and be equipped with a pair of claw in the sleeve, be equipped with round pin axle I between a pair of claw, round pin axle I is connected in the pull rod, clamping device is still including being used for driving the sleeve for the gliding controlling device of pull rod.
In the preferred scheme, the operating device comprises a pin shaft II, a push rod, a slide block and a pull buckle; the pull rod is provided with a sliding groove, the pin shaft II is arranged in the sliding groove, two ends of the pin shaft II are connected to the sleeve, the push rod is coaxially arranged on the pull rod, one end of the push rod is hinged to the other end of the pin shaft II, the other end of the push rod is connected to the pull rod through the sliding block, the sliding block is connected to the push rod, the pull buckle is connected to the sliding block, and the pull rod is provided with a limiting.
Preferably, the pull rod is further provided with an adjusting device for adjusting the extension length of the push rod.
Preferably, the adjusting device comprises a hand wheel arranged at the outer end of the pull rod and a fixing frame used for supporting the hand wheel, the fixing frame is positioned at the end part of the linear driving device, and the hand wheel is rotationally connected with the fixing frame in a single degree of freedom and is in threaded connection with the pull rod.
Preferably, the linear driving device is a multi-stage hydraulic cylinder.
Preferably, the multistage hydraulic cylinder is a three-stage hydraulic cylinder, and the three-stage hydraulic cylinder comprises an outer cylinder body, an outer guide sleeve, a middle cylinder body and a three-stage cylinder body.
The adaptive bolt is provided with a boss, and the claw clamp is just matched with the boss in a clamping state.
The utility model has the advantages that: the clamping device of the utility model can be connected with the pin shaft to be unplugged through the adaptive bolt, thereby greatly improving the adaptability of the utility model; more importantly, the clamping device can open the pair of claws when the pin shaft is pulled out, so that the pin puller is more convenient to clamp and loosen, the butt joint difficulty is greatly reduced, and the disassembly efficiency is also improved. Other advantageous effects of the present invention will be further described with reference to the following embodiments.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a detailed view at a.
Detailed Description
As shown in the figure: a pin puller, including sharp drive arrangement and clamping device, sharp drive arrangement includes inner tube 1, clamping device include with the coaxial pull rod 2 that sets up of inner tube 1, overlap in the sleeve 3 of 2 front ends of pull rod and be equipped with a pair of claw 4 in the sleeve 3, be equipped with round pin axle I5 between a pair of claw 4, round pin axle I5 is connected in pull rod 2, clamping device is still including being used for driving sleeve 3 for the gliding controlling device of pull rod 2. Preferably, the operating device comprises a pin shaft II 6, a push rod 7, a slide block 9 and a pull buckle 8; the pull rod 2 is provided with a sliding groove 10, the pin shaft II 6 is arranged in the sliding groove 10, two ends of the pin shaft II are connected to the sleeve 3, the push rod 7 is coaxially arranged on the pull rod 2, one end of the push rod 2 is hinged to the other end of the pin shaft II 6, the slide block 9 is connected to the pull rod 2, the pull buckle 8 is connected to the slide block 9, and the pull rod 2 is provided with a limiting groove 11 for limiting the pull buckle 8. The pull rod 2 is also provided with an adjusting device 12 for adjusting the extension length of the pull rod 2.
When the pin shaft is disassembled, the pull rod 2 with the sleeve 3 thereon extends out to a proper position along the inner cylinder 1 through the adjusting device 12, and at the moment, the pair of claws 4 is in an opening state. Then the pin shaft to be pulled is arranged between the two claws 4, and at the moment, the pull buckle 8 is manually pushed, so that the slide block 9 drives the push rod 7 to move relative to the pull rod 2. Because the push rod 7 is connected with the sleeve 3, the push rod 7 moves to drive the sleeve 3 to move, the sleeve 3 moves to apply force to the pair of claws 4 to close and tighten, and the pull buckle 8 is placed in the limiting groove 11 to firmly and stably maintain the tightened state. And finally, the linear driving device acts to drive the pull rod 2 to move so as to achieve the pin pulling purpose. Furthermore, the linear driving device preferably selects the multistage hydraulic cylinder 13 according to the length and the specific position of the pin shaft to be pulled. For example, a three-stage hydraulic cylinder is selected. The multi-stage hydraulic cylinder 13 is a three-stage hydraulic cylinder, and the three-stage hydraulic cylinder comprises an outer cylinder body 131, an outer guide sleeve 132, a middle cylinder body 133 and a three-stage cylinder body. With this solution, the specific process of driving the tie rod 2 is as follows: after the locking device is locked, the upper cavity of the hydraulic cylinder is filled with liquid, and further, high-pressure liquid is filled between the outer cylinder body 131 of the hydraulic cylinder and the third-stage cylinder body 134, and the middle cylinder body 133 is pushed to move by the high-pressure liquid. Further, the middle cylinder 133 moves to drive the pull rod 2 to move, so as to achieve the pin pulling effect.
In order to achieve the adjustment effect of being simple, efficient and accurate, the invention further designs an adjusting device 12 suitable for the utility model, which is specifically as follows: the adjusting device comprises a hand wheel 121 arranged at the outer end of the pull rod 2 and a fixing frame 122 used for supporting the hand wheel 121, the fixing frame 122 is positioned at the end part of the linear driving device, and the hand wheel 121 is rotationally connected to the fixing frame 122 in a single-degree-of-freedom mode and is in threaded connection with the pull rod 2.
Through long-term study inventor notice, the great round pin axle of waiting to pull out of diameter is most all had a fabrication hole, for the round pin axle of the various specifications of better adaptation and further reduce the butt joint degree of difficulty, simultaneously make to wait to pull out the round pin axle with pull out the firm security that improves of round pin ware connection, on the basis of above-mentioned scheme, increase an adapter bolt 14, state adapter bolt 14 is equipped with the boss, claw 4 under the clamping state just with the boss cooperation. When the pin shaft is disassembled, the adaptive bolt 14 is only required to be arranged at the end part of the pin shaft to be pulled in advance, other working principles are the same as the above, and further description is omitted here.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a pin puller, includes linear drive and clamping device which characterized in that: the linear driving device comprises an inner cylinder, the clamping device comprises a pull rod, a sleeve and a pair of claws, the pull rod is coaxial with the inner cylinder, the sleeve is sleeved at the front end of the pull rod, the pair of claws are arranged in the sleeve, a pin shaft I is arranged between the pair of claws, the pin shaft I is connected to the pull rod, and the clamping device further comprises an operating device used for driving the sleeve to slide relative to the pull rod.
2. The pin puller according to claim 1, wherein: the operating device comprises a pin shaft II, a push rod, a slide block and a pull buckle; the pull rod is provided with a sliding groove, the pin shaft II is arranged in the sliding groove, two ends of the pin shaft II are connected to the sleeve, the push rod is coaxially arranged on the pull rod, one end of the push rod is hinged to the other end of the pin shaft II, the other end of the push rod is connected to the pull rod through the sliding block, the sliding block is connected to the push rod, the pull buckle is connected to the sliding block, and the pull rod is provided with a limiting.
3. The pin puller according to claim 1 or 2, wherein: and the pull rod is also provided with an adjusting device for adjusting the extension length of the push rod.
4. The pin puller according to claim 3, wherein: the adjusting device comprises a hand wheel arranged at the outer end of the pull rod and a fixing frame used for supporting the hand wheel, the fixing frame is positioned at the end part of the linear driving device, and the hand wheel is rotationally connected with the fixing frame in a single degree of freedom and is in threaded connection with the pull rod.
5. The pin puller according to claim 3, wherein: the linear driving device is a multi-stage hydraulic cylinder.
6. The pin puller according to claim 5, wherein: the multistage hydraulic cylinder is a three-stage hydraulic cylinder, and the three-stage hydraulic cylinder comprises an outer cylinder body, an outer guide sleeve, a middle cylinder body and a three-stage cylinder body.
7. The pin puller according to claim 3, wherein: the plug pin clamping device is characterized by further comprising an adaptive bolt used for connecting a pin column to be pulled out, wherein the adaptive bolt is provided with a boss, and the claw clamp is just matched with the boss in a clamping state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642639.0U CN212192963U (en) | 2020-04-24 | 2020-04-24 | Pin puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642639.0U CN212192963U (en) | 2020-04-24 | 2020-04-24 | Pin puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212192963U true CN212192963U (en) | 2020-12-22 |
Family
ID=73827975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020642639.0U Active CN212192963U (en) | 2020-04-24 | 2020-04-24 | Pin puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212192963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084746A (en) * | 2020-04-24 | 2021-07-09 | 郑州合新机电设备有限公司 | Pin puller |
-
2020
- 2020-04-24 CN CN202020642639.0U patent/CN212192963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084746A (en) * | 2020-04-24 | 2021-07-09 | 郑州合新机电设备有限公司 | Pin puller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211228 Address after: 450000 room 3a08, building 1, incubator, science and Technology Park, Henan University, No. 11, Changchun Road, high tech Industrial Development Zone, Zhengzhou, Henan Province Patentee after: Zhengzhou Hexin Intelligent Equipment Co.,Ltd. Address before: Room 308-2, building 1, incubator, Henan University Science and Technology Park, No. 11, Changchun Road, high tech Industrial Development Zone, Zhengzhou, Henan Province, 450001 Patentee before: Zhengzhou Hexin Electromechanical Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220913 Address after: No. 02, Southeast corner of the intersection of Chemical Road and Yunshan Road, High-tech Zone, Zhengzhou City, Henan Province, 450000 Patentee after: Henan Guoxin Intelligent Technology Research Institute Co.,Ltd. Address before: 450000 room 3a08, building 1, incubator, science and Technology Park, Henan University, No. 11, Changchun Road, high tech Industrial Development Zone, Zhengzhou, Henan Province Patentee before: Zhengzhou Hexin Intelligent Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |