CN215318430U - Pin shaft dismounting device - Google Patents
Pin shaft dismounting device Download PDFInfo
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- CN215318430U CN215318430U CN202121054352.7U CN202121054352U CN215318430U CN 215318430 U CN215318430 U CN 215318430U CN 202121054352 U CN202121054352 U CN 202121054352U CN 215318430 U CN215318430 U CN 215318430U
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Abstract
The utility model discloses a pin shaft dismounting device which comprises an installation base, a lifting mechanism and a dismounting mechanism, wherein the lifting mechanism is installed on the installation base; the dismounting mechanism comprises a supporting plate, a sliding rod and a throwing hammer, the supporting plate is connected to the lifting mechanism, the supporting plate is connected with a supporting frame, the sliding rod is connected with the supporting frame in a sliding mode, and the throwing hammer is connected to the sliding rod in a sliding mode; the slide bar is provided with a connecting part used for being connected with the pin shaft and a stop block used for colliding with the throwing hammer, and the throwing hammer is positioned between the connecting part and the throwing hammer; the supporting plate is provided with a driving mechanism for driving the drop hammer to slide, and the output end of the driving mechanism is connected with the drop hammer. The pin shaft dismounting device drives the swinging hammer to impact the stop block through the driving mechanism, and explosive force is generated at the moment of impact, so that the pin shaft is pulled out by the sliding rod. Thus, the pin shaft can be conveniently and quickly taken out.
Description
Technical Field
The utility model relates to the field of mechanical maintenance equipment, in particular to a pin shaft dismounting device.
Background
In the existing mode of disassembling the transmission pin shaft, a hydraulic pin pulling method can disassemble the pin shaft, but the hydraulic explosive force is uncontrollable, the pin shaft is not easy to pull out under the condition that the pin shaft and the pin shaft hole are blocked, the pin shaft is easy to fly out, and the personal safety of maintenance workers is seriously threatened; if the original manual hammer is used for knocking, the labor intensity of personnel is high, the disassembly time is too long, the labor input is large, and the working efficiency is low.
In view of the above, improvements to the above problems are needed.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model aims to provide the pin shaft dismounting device which is convenient to use and improves efficiency.
The technical scheme of the utility model provides a pin shaft dismounting device which comprises an installation base, a lifting mechanism and a dismounting mechanism, wherein the lifting mechanism is installed on the installation base; the disassembling mechanism comprises a supporting plate, a sliding rod and a swinging hammer, the supporting plate is connected to the lifting mechanism, the supporting plate is connected with a supporting frame, the sliding rod is connected with the supporting frame in a sliding manner, and the swinging hammer is connected to the sliding rod in a sliding manner; the sliding rod is provided with a connecting part used for being connected with a pin shaft and a stop block used for colliding with the throwing hammer, and the throwing hammer is positioned between the connecting part and the throwing hammer; the support plate is provided with a driving mechanism for driving the throwing hammer to slide, and the output end of the driving mechanism is connected with the throwing hammer.
Furthermore, a limiting plate is arranged on the sliding rod and is positioned between the connecting part and the throwing hammer.
Furthermore, an expansion spring is arranged between the limiting plate and the throwing hammer, and the expansion spring is sleeved on the sliding rod.
Furthermore, the support frame includes that the interval is provided with two support brackets, be provided with the connecting hole that link up on the support bracket, the slide bar passes the connecting hole to with connecting hole clearance fit.
Further, the drop hammer is in an I shape.
Furthermore, a guide plate is connected to the support plate and is positioned on one side of the drop hammer; the guide plate is provided with a sliding block connected with the drop hammer, and the sliding block is connected with the guide plate in a sliding manner; the driving mechanism is connected with the swinging hammer through the sliding block.
Further, the driving mechanism is a linear reciprocating motor.
Furthermore, the lifting mechanism comprises a lifting frame and a driving piece for driving the lifting frame to lift, and the lifting frame comprises a first connecting rod and a second connecting rod crossed with the first connecting rod; the mounting base is provided with a fixed seat fixedly connected with the mounting base and a sliding seat slidably connected with the mounting base, the first connecting rod is hinged between the supporting plate and the fixed seat, and the second connecting rod is hinged between the supporting plate and the sliding seat; the driving end of the driving piece is connected with the first connecting rod or the second connecting rod.
Further, a buffer spring is arranged between the mounting base and the supporting plate, and the buffer spring is connected with the mounting base.
Furthermore, the bottom of the mounting base is connected with universal wheels.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model discloses a pin shaft dismounting device which comprises an installation base, a lifting mechanism and a dismounting mechanism, wherein the lifting mechanism is installed on the installation base. The dismounting mechanism comprises a supporting plate, a sliding rod and a throwing hammer, the supporting plate is connected to the lifting mechanism, a supporting frame is connected to the supporting plate, the sliding rod is connected with the supporting frame in a sliding mode, and the throwing hammer is connected to the sliding rod in a sliding mode. The slide bar is provided with a connecting part used for being connected with the pin shaft and a stop block used for colliding with the throwing hammer, and the throwing hammer is positioned between the connecting part and the throwing hammer. The supporting plate is provided with a driving mechanism for driving the drop hammer to slide, and the output end of the driving mechanism is connected with the drop hammer. The pin shaft dismounting device drives the swinging hammer to impact the stop block through the driving mechanism, and explosive force is generated at the moment of impact, so that the pin shaft is pulled out by the sliding rod. The pin shaft, especially the rusted pin shaft, can be conveniently and quickly taken out, and the operation efficiency is improved.
Drawings
Fig. 1 is a schematic view of a pin dismounting device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a support bracket according to an embodiment of the present invention;
FIG. 3 is a schematic view of a guide plate and a slide according to an embodiment of the present invention;
FIG. 4 is a schematic view of a slider and a drop hammer according to an embodiment of the present invention;
FIG. 5 is a schematic view of a drive mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic view of a mounting base, a support plate and a damping spring according to an embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
It is easily understood that according to the technical solution of the present invention, those skilled in the art can substitute various structures and implementation manners without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as being all of the present invention or as defining or limiting the technical solutions of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1 to 5, a pin dismounting device 10 provided for an embodiment of the present invention includes an installation base 1, a lifting mechanism 2, and a dismounting mechanism 3, where the lifting mechanism 2 is installed on the installation base 1.
The disassembling mechanism 3 comprises a supporting plate 31, a sliding rod 32 and a swinging hammer 33, the supporting plate 31 is connected to the lifting mechanism 2, a supporting frame 34 is connected to the supporting plate 31, the sliding rod 32 is connected with the supporting frame 34 in a sliding mode, and the swinging hammer 33 is connected to the sliding rod 32 in a sliding mode.
The slide rod 32 is provided with a connecting part 321 for connecting with the pin shaft and a stop 322 for colliding with the swinging hammer 33, and the swinging hammer 33 is positioned between the connecting part 321 and the swinging hammer 33.
The support plate 31 is provided with a driving mechanism 35 for driving the swinging hammer 33 to slide, and the output end of the driving mechanism 35 is connected with the swinging hammer 33.
The pin removal device 10 is used to remove a pin, such as a drive pin, during maintenance. The pin shaft dismounting device 10 comprises a mounting base 1, a lifting mechanism 2 and a dismounting mechanism 3.
The installation base 1 plays a supporting role, and the installation base 1 is placed on the ground. In the present embodiment, the mounting base 1 is a flat plate supported by metal.
The dismounting mechanism 3 is positioned above the mounting base 1 and is used for dismounting the pin shaft. The lifting mechanism 2 is connected between the dismounting mechanism 3 and the mounting base 1, the lifting mechanism 2 can lift, the height of the dismounting mechanism 3 is adjusted, and the dismounting mechanism 3 is enabled to pull out the pin shafts with different heights.
Optionally, the lifting mechanism 2 is a telescopic column, and includes a column cylinder and a column rod, the column cylinder is connected to the mounting base 1, and the column rod is slidably connected to the column cylinder and connected to the detaching mechanism 3. The telescopic upright post drives the upright post rod to slide through hydraulic oil, thereby lifting the dismounting mechanism 3.
The disassembling mechanism 3 comprises a supporting plate 31, a supporting frame 34, a sliding rod 32 and a swinging hammer 33, the supporting plate 31 is connected to the lifting mechanism 2, the supporting frame 34 is connected to the supporting plate 31, the sliding rod 32 is in sliding connection with the supporting frame 34, and the sliding rod 32 can slide on the supporting frame 34 by arranging a sliding groove or a sliding rail on the supporting frame 34.
The swinging hammer 33 is connected with the sliding rod 32 in a sliding mode, a through mounting hole is formed in the swinging hammer 33, the sliding rod 32 penetrates through the mounting hole and is in clearance fit with the mounting hole, and therefore the swinging hammer 33 can slide on the sliding rod 32.
One end of the slide bar 32 is provided with a connecting portion 321, and the connecting portion 321 is used for connecting with the pin shaft. Optionally, the connecting portion 321 is screwed to the pin shaft, and the screwed connection can be more firmly connected.
The slide bar 32 is provided with a stopper 322, and the stopper 322 and the connecting portion 321 are respectively located on both sides of the drop weight 33. When the swinging hammer 33 slides towards the stopper 322, it can strike the stopper 322, so that the stopper 322 drives the slide rod 32 to slide. Optionally, a stopper through hole is formed in the stopper 322, the sliding rod 32 passes through the stopper through hole, and the stopper 322 is welded to the sliding rod 32.
The support plate 31 is provided with a driving mechanism 35, and the output end of the driving mechanism 35 is connected with the swinging hammer 33, so that the swinging hammer 33 can be driven to slide on the slide rod 32. Alternatively, the drive mechanism 35 is a reciprocating drive pump.
When the pin shaft dismounting device 10 is used, the pin shaft dismounting device 10 is moved to a preset working position, then the lifting mechanism 2 is controlled, the dismounting mechanism 3 is adjusted to the height same as that of the pin shaft, then the pin shaft is butted with the connecting part 321, and the sliding rod 32 is rotated, so that the connecting part 321 is firmly connected with the pin shaft. Then, the driving mechanism 35 is started, the driving mechanism 35 drives the swinging hammer 33 to slide back and forth on the slide rod 32, when the swinging hammer 33 slides towards the stopper 322, the swinging hammer 33 impacts the stopper 322 to generate an acting force, and the stopper 322 drives the slide rod 32 to pull out the pin shaft after being impacted. The acting force generated by the throwing hammer 33 when the throwing hammer impacts the stop block 322 has explosiveness, the pin shaft is easily taken out instantly, the operation efficiency is improved, and after the pin shaft is rusted, the pin shaft is loosened by the vibration generated when the throwing hammer 33 impacts the stop block 322 for multiple times, so that the pin shaft is conveniently pulled out.
In one embodiment, as shown in fig. 1, the slide rod 32 is provided with a limiting plate 323, and the limiting plate 323 is located between the connecting portion 321 and the swing hammer 33. The slide rod 32 is further provided with a limit plate 323, the limit plate 323 is located between the connecting portion 321 and the stopper 322, and the drop hammer 33 is located between the limit plate 323 and the stopper 322. When the flail hammer 33 moves toward the stopper plate 323, the stopper plate 323 can block the flail hammer 33, and prevent the flail hammer 33 from sliding to the connecting portion 321 or separating from the slide bar 32.
Optionally, a limiting plate through hole is formed in the limiting plate 323, the slide rod 32 penetrates through the limiting plate through hole, and the limiting plate 323 and the slide rod 32 are welded and fixed.
In one embodiment, as shown in fig. 1, a telescopic spring 324 is disposed between the limiting plate 323 and the drop hammer 33, and the telescopic spring 324 is sleeved on the sliding rod 32.
Specifically, the sliding rod 32 is sleeved with a telescopic spring 324, the telescopic spring 324 is located between the limiting plate 323 and the flail hammer 33, and the telescopic spring 324 is connected with the limiting plate 323. The retractable spring 324 can buffer the impact of the flail hammer 33, and when the flail hammer 33 slides towards the limiting plate 323, the flail hammer 33 presses the retractable spring 324 to compress and deform the retractable spring 324, so as to buffer the impact of the flail hammer 33. When the swinging hammer 33 slides towards the stop block 322, the extension spring 324 extends to push the swinging hammer 33, and the elastic potential energy is converted into the kinetic energy of the swinging hammer 33, so that the sliding speed of the swinging hammer 33 is increased, and the impact force to the stop block 322 is increased.
In one embodiment, as shown in fig. 1-2, the supporting frame 34 includes two supporting brackets 341 spaced apart from each other, a through connecting hole 3411 is formed in the supporting bracket 341, and the sliding rod 32 passes through the connecting hole 3411 and is in clearance fit with the connecting hole 3411.
Specifically, the supporting frame 34 is composed of two supporting brackets 341, and the two supporting brackets 341 are disposed on the supporting plate 31 at intervals. The support bracket 341 includes a support rod having a connection hole 3411 and a support ring having a slide rod 32 simultaneously passing through both of the connection holes 3411 with a clearance fit to the connection holes 3411. The supporting frame 34 is simple in structure, convenient to produce and capable of reducing production cost.
Alternatively, the stopper plate 323 and the stopper 322 are located between the two support brackets 341.
In one embodiment, the slinger 33 is in the form of a drum, as shown in FIG. 1. Specifically, the drop hammer 33 includes a drop hammer sleeve 331 and two drop hammer impact blocks 332, the drop hammer sleeve 331 is sleeved on the slide bar 32, and the two drop hammer impact blocks 332 are respectively connected to two ends of the drop hammer sleeve 331. Get rid of hammer sleeve pipe 331 and two get rid of hammer striking blocks 332 and connect into the I-shaped, so set up, increased with the area of contact of dog 322, improve striking efficiency. And when one of the swinging hammer impact blocks 332 is damaged, the direction of the swinging hammer 33 can be adjusted, so that the other swinging hammer impact block 332 faces the stop block 322, and the use is convenient.
In one embodiment, as shown in fig. 1 and 3-4, a guide plate 36 is attached to the support plate 31, and the guide plate 36 is located on one side of the flail weight 33. The guide plate 36 is provided with a slider 361 connected with the swinging hammer 33, and the slider 361 is connected with the guide plate 36 in a sliding manner. The drive mechanism 35 is connected to the drop hammer 33 via a slider 361.
Specifically, the guide plate 36 stands on the support plate 31, that is, the guide plate 36 is perpendicular to the support plate 31. A guide runner 362 is provided on the guide plate 36, and a slider 361 is slidably coupled in the guide runner 362. One side of the slider 361 is connected to the drop hammer 33, and the other side is connected to the output end of the driving mechanism 35. The driving mechanism 35 drives the sliding block 361 to slide, and the sliding block 361 drives the swinging hammer 33 to slide. The guide plate 36 and the slider 361 limit the sliding track of the swinging hammer 33, so that the swinging hammer 33 slides more smoothly, and an optimal impact area of the swinging hammer 33 is ensured to be in contact with the stop 322.
Optionally, two symmetrical guide plates 36 are disposed on the support plate 31, the swinging hammer 33 is located between the two guide plates 36, a sliding block 361 is disposed on each guide plate 36, and the output end of the driving mechanism 35 is connected to one of the sliding blocks 361. This further improves the stability of the sliding of the drop weight 33.
In one embodiment, as shown in fig. 1 and 5, the drive mechanism 35 is a linear reciprocating motor. The linear reciprocating motor is adopted to improve the reciprocating sliding frequency of the swinging hammer 33 and improve the operation efficiency.
Alternatively, the linear reciprocating motor includes a mechanism base 351, a driving motor 352, a driving wheel 353, a rocking bar 354 and a driving lever 355. The driving motor 352 is connected to the mechanism base 351, and the driving wheel 353 is connected to a motor shaft of the driving motor 352. The mechanism seat 351 is provided with a connecting slideway with an opening facing the driving wheel 353, the driving rod 355 is slidably connected in the connecting slideway, one end of the rocker 354 is pivoted with the driving rod 355, the other end of the rocker 354 is pivoted with the driving wheel 353, and the rocker 354 is eccentrically connected with the driving wheel 353. The driving rod 355 is an output end of the linear reciprocating motor, and the driving rod 355 is connected with the slider 361 or the swinging hammer 33.
In one embodiment, as shown in fig. 1, the lifting mechanism 2 includes a lifting frame 21 and a driving member 22 for driving the lifting frame 21 to lift, and the lifting frame 21 includes a first connecting rod 211 and a second connecting rod 212 crossing the first connecting rod 211. The mounting base 1 is provided with a fixed seat 11 fixedly connected with the mounting base 1 and a sliding seat 12 slidably connected with the mounting base 1, the first connecting rod 211 is hinged between the supporting plate 31 and the fixed seat 11, and the second connecting rod 212 is hinged between the supporting plate 31 and the sliding seat 12. The driving end of the driving member 22 is connected to the first link 211 or the second link 212.
Specifically, the lifting mechanism 2 comprises a lifting frame 21 and a driving member 22, and the driving member 22 is used for driving the lifting frame 21 to lift.
Connect the interval setting on installation base 1 and have fixing base 11 and sliding seat 12, wherein, fixing base 11 is fixed with installation base 1, sliding seat 12 and installation base 1 sliding connection. The sliding connection is achieved, for example, by providing a slide or rail on the mounting base 1.
The lifting frame 21 comprises a first connecting rod 211 and a second connecting rod 212, one end of the first connecting rod 211 is pivoted with the supporting plate 31, and the other end of the first connecting rod 211 is connected with the fixed seat 11. One end of the second link 212 is pivotally connected to the support plate 31, and the other end is pivotally connected to the sliding seat 12. The first link 211 and the second link 212 cross each other, that is, the first link 211 and the second link 212 are connected in an X shape. The first link 211 and the second link 212 are pivotally connected. So set up, crane 21's structure is more firm, and uses the material fewly.
The driver 22 includes a fixed end and a driving end that is extendable and retractable relative to the fixed end. The fixed end is pivoted on the mounting base 1, and the driving end is connected with the first connecting rod 211 or the second connecting rod 212.
Alternatively, the driver 22 is a hydraulic cylinder comprising a hydraulic cylinder and a piston rod, the hydraulic cylinder being a fixed end and the piston rod being a driven end.
Alternatively, the driving end of the driving member 22 is connected to the sliding seat 12, and the driving end drives the sliding seat 12 to perform a reciprocating linear motion.
Optionally, a connecting platform is connected to the lifting frame 21, a rotatable rotating table is connected to the connecting platform, and the support plate is connected to the rotating table. Thus, the angle of the dismounting mechanism 3 is convenient to adjust. The rotating platform is connected with the connecting platform through a connecting bearing.
In one embodiment, as shown in fig. 1 and 6, a buffer spring 4 is disposed between the mounting base 1 and the supporting plate 31, and the buffer spring 4 is connected to the mounting base 1. In the descending process of the lifting mechanism 2, the supporting plate 31 can be in contact with the buffer spring 4, so that the impact caused by descending is reduced, and the dismounting mechanism 3 can be protected when the lifting mechanism 2 is damaged and fails.
In one embodiment, as shown in FIG. 1, universal wheels 13 are attached to the bottom of the mounting base 1. The bottom of the mounting base 1 is connected with a plurality of universal wheels 13, and the plurality of universal wheels 13 stably support the mounting base 1. The universal wheels 13 are arranged to facilitate the movement of the pin shaft dismounting device 10 by a worker.
In summary, the utility model discloses a pin shaft dismounting device, which comprises an installation base, a lifting mechanism and a dismounting mechanism, wherein the lifting mechanism is installed on the installation base. The dismounting mechanism comprises a supporting plate, a sliding rod and a throwing hammer, the supporting plate is connected to the lifting mechanism, a supporting frame is connected to the supporting plate, the sliding rod is connected with the supporting frame in a sliding mode, and the throwing hammer is connected to the sliding rod in a sliding mode. The slide bar is provided with a connecting part used for being connected with the pin shaft and a stop block used for colliding with the throwing hammer, and the throwing hammer is positioned between the connecting part and the throwing hammer. The supporting plate is provided with a driving mechanism for driving the drop hammer to slide, and the output end of the driving mechanism is connected with the drop hammer. The pin shaft dismounting device is convenient for workers to use, and can improve the efficiency of dismounting the pin shaft.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the utility model. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (10)
1. A pin shaft dismounting device (10) is characterized by comprising an installation base (1), a lifting mechanism (2) and a dismounting mechanism (3), wherein the lifting mechanism (2) is installed on the installation base (1);
the disassembling mechanism (3) comprises a supporting plate (31), a sliding rod (32) and a swinging hammer (33), the supporting plate (31) is connected to the lifting mechanism (2), the supporting plate (31) is connected with a supporting frame (34), the sliding rod (32) is in sliding connection with the supporting frame (34), and the swinging hammer (33) is in sliding connection with the sliding rod (32);
the sliding rod (32) is provided with a connecting part (321) used for being connected with a pin shaft and a stop block (322) used for colliding with the swinging hammer (33), and the swinging hammer (33) is located between the connecting part (321) and the swinging hammer (33);
the support plate (31) is provided with a driving mechanism (35) for driving the swinging hammer (33) to slide, and the output end of the driving mechanism (35) is connected with the swinging hammer (33).
2. The device (10) for dismounting a pin shaft according to claim 1, wherein a limiting plate (323) is disposed on the sliding rod (32), and the limiting plate (323) is located between the connecting portion (321) and the drop hammer (33).
3. The device (10) for dismounting a pin shaft according to claim 2, characterized in that a telescopic spring (324) is arranged between said limiting plate (323) and said drop hammer (33), said telescopic spring (324) being sleeved on said sliding rod (32).
4. The pin shaft dismounting device (10) according to claim 1, wherein said supporting frame (34) comprises two supporting brackets (341) spaced apart from each other, said supporting brackets (341) are provided with through connecting holes (3411), and said sliding rod (32) passes through said connecting holes (3411) and is in clearance fit with said connecting holes (3411).
5. Device (10) for dismounting the pin according to claim 1, characterized in that said drop-hammer (33) is of the shape of an i.
6. The pin removal apparatus (10) of claim 1, wherein a guide plate (36) is attached to the support plate (31), the guide plate (36) being located on one side of the drop weight (33);
a sliding block (361) connected with the swinging hammer (33) is arranged on the guide plate (36), and the sliding block (361) is in sliding connection with the guide plate (36);
the driving mechanism (35) is connected with the swinging hammer (33) through the sliding block (361).
7. The pin removal apparatus (10) of claim 1, wherein the drive mechanism (35) is a linear reciprocating motor.
8. The pin shaft dismounting device (10) according to claim 1, characterized in that the lifting mechanism (2) comprises a lifting frame (21) and a driving member (22) for driving the lifting frame (21) to lift, the lifting frame (21) comprises a first connecting rod (211) and a second connecting rod (212) crossed with the first connecting rod (211);
the mounting base (1) is provided with a fixed seat (11) fixedly connected with the mounting base (1) and a sliding seat (12) in sliding connection with the mounting base (1), the first connecting rod (211) is hinged between the supporting plate (31) and the fixed seat (11), and the second connecting rod (212) is hinged between the supporting plate (31) and the sliding seat (12);
the driving end of the driving piece (22) is connected with the first connecting rod (211) or the second connecting rod (212).
9. The pin removal device (10) according to claim 1, wherein a buffer spring (4) is arranged between the mounting base (1) and the support plate (31), and the buffer spring (4) is connected with the mounting base (1).
10. The pin removal apparatus (10) of claim 1, wherein a universal wheel (13) is attached to the bottom of the mounting base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121054352.7U CN215318430U (en) | 2021-05-17 | 2021-05-17 | Pin shaft dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121054352.7U CN215318430U (en) | 2021-05-17 | 2021-05-17 | Pin shaft dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215318430U true CN215318430U (en) | 2021-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121054352.7U Active CN215318430U (en) | 2021-05-17 | 2021-05-17 | Pin shaft dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215318430U (en) |
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2021
- 2021-05-17 CN CN202121054352.7U patent/CN215318430U/en active Active
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