CN218891801U - Hydraulic power-assisted pin shaft puller - Google Patents
Hydraulic power-assisted pin shaft puller Download PDFInfo
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- CN218891801U CN218891801U CN202221288214.XU CN202221288214U CN218891801U CN 218891801 U CN218891801 U CN 218891801U CN 202221288214 U CN202221288214 U CN 202221288214U CN 218891801 U CN218891801 U CN 218891801U
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- hydraulic cylinder
- fixed pulley
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a hydraulic power-assisted pin shaft puller which comprises a mounting base plate, wherein casters are arranged at the bottom of the mounting base plate, a left plate, a middle plate and a right plate are fixedly arranged on the mounting base plate, a mounting top plate is fixedly arranged at the top of the left plate, the left side and the middle of the mounting top plate are respectively fixedly provided with a first fixed pulley and a second fixed pulley, a self-locking hand winch is arranged on the left side wall of the left plate, and a wire rope on the self-locking hand winch sequentially winds the first fixed pulley and the second fixed pulley, and the free end of the wire rope penetrates through the mounting top plate and extends between the middle plate and the right plate; the hydraulic cylinder is positioned between the middle plate and the right plate, the end part of the cylinder body of the hydraulic cylinder is sleeved with a coaxial sleeve, a grapple is fixed on a piston rod of the hydraulic cylinder, a lifting rope is arranged on the cylinder body, the free end of the steel wire rope is connected with the lifting rope, and the hydraulic cylinder can move up and down between the middle plate and the right plate. The utility model can replace manual disassembly of the pin shaft, reduce labor intensity of workers and improve working efficiency.
Description
Technical Field
The utility model belongs to the technical field of mining machinery equipment, and particularly relates to a hydraulic power-assisted pin shaft puller.
Background
At present, the coal mine production has higher and higher mechanization and automation popularity, the mining mechanical equipment has wide application and various kinds, and the hydraulic support is an important mining mechanical equipment installed on a working surface in a well. After the underground working surface is installed each time, a large amount of manpower and material resources are required for the disassembly and loading of the hydraulic support. The hydraulic support shafts are hinged by the pin shafts, and each cylindrical pin shaft has large volume and heavy weight (about 40 to 60 kg), and the difficulty of pulling out from the connecting part is great, which is time-consuming and labor-consuming. The prior art is decomposed by the physical force of operators, so that the labor intensity is extremely high, the labor hour is consumed, and meanwhile, the safety risk is high.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the hydraulic power-assisted pin shaft puller, which can replace manual disassembly of a pin shaft after the hydraulic power-assisted pin shaft puller is applied, and reduce the labor intensity of workers.
In order to solve the technical problems, the hydraulic power-assisted pin shaft puller comprises a mounting base plate, wherein casters are arranged at the bottom of the mounting base plate, vertical left, middle and right plates which are parallel to each other are fixedly arranged on the mounting base plate, mounting top plates which are parallel to the mounting base plate are fixed at the tops of the left, middle and right plates, a first fixed pulley and a second fixed pulley are respectively and fixedly arranged at the left side and the middle part of the mounting top plate, a self-locking hand winch is arranged on the left side wall of the left plate, and after the wire rope on the self-locking hand winch sequentially winds the first fixed pulley and the second fixed pulley, the free end of the wire rope penetrates through the mounting top plates to extend between the middle and right plates; the hydraulic cylinder is characterized by further comprising a hydraulic cylinder positioned between the middle plate and the right plate, the end part of the cylinder body of the hydraulic cylinder is sleeved with a coaxial sleeve, a piston rod of the hydraulic cylinder is fixedly provided with a grapple, the telescopic rod of the piston rod can drive the grapple to extend to the outer side of the sleeve or retract into the sleeve, the cylinder body is provided with a lifting rope, the free end of the steel wire rope is connected with the lifting rope, and the hydraulic cylinder can move up and down between the middle plate and the right plate.
As an improvement of the utility model, a gap is arranged between the hydraulic cylinder and the middle and right plates.
As a further improvement of the utility model, the sleeve mouth of the sleeve is provided with a tightening ring with the outer diameter larger than that of the sleeve.
Further, the installation base plate is provided with a hand pushing frame.
Further, the casters are universal wheels.
The utility model has the following beneficial technical effects:
1. after the utility model is applied, the pin shaft can be disassembled instead of manually, the labor intensity of workers is reduced, the working efficiency is improved, and the safety coefficient is enhanced.
2. The hydraulic cylinder, the middle plate and the right plate are provided with gaps, and the horizontal angle of the hydraulic cylinder can be finely adjusted manually when the pin shaft is detached, so that the grapple can hook round holes connected to the pin shaft between the hydraulic support shafts conveniently.
3. The cylinder mouth of the sleeve is provided with the tightening ring with the outer diameter larger than that of the sleeve, so that one side of the end part of the sleeve can be ensured to firmly lean against the side guard plate of the hydraulic support, and the stability of the hydraulic support during operation is enhanced.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a front view of a hydraulic booster pin puller according to the present utility model.
Fig. 2 is a side view schematic of fig. 1.
Detailed Description
Referring to fig. 1 and 2, the hydraulic power-assisted pin shaft puller comprises a mounting base plate 1, wherein casters 2 are arranged at the bottom of the mounting base plate, vertical left, middle and right plates 3, 4 and 5 which are parallel to each other are fixedly arranged on the mounting base plate, a mounting top plate 6 which is parallel to the mounting base plate 1 is fixedly arranged at the top of the left, middle and right plates, a first fixed pulley 7 and a second fixed pulley 8 are fixedly arranged at the left side and the middle of the mounting top plate respectively, a self-locking hand winch 9 is arranged on the left side wall of the left plate 3, and a steel wire rope 10 on the self-locking hand winch sequentially winds the first fixed pulley and the second fixed pulley, and the free end 11 of the steel wire rope penetrates through the mounting top plate 6 and extends between the middle and right plates 4 and 5; the hydraulic cylinder is characterized by further comprising a hydraulic cylinder 12 positioned between the middle plate 4 and the right plate 5, a coaxial sleeve 14 is sleeved at the end part of a cylinder body 13 of the hydraulic cylinder, a grapple 16 is fixed on a piston rod 15 of the hydraulic cylinder, the telescopic operation of the piston rod can drive the grapple to extend to the outer side of the sleeve or retract into the sleeve, a lifting rope 17 is arranged on the cylinder body 13, the free end 11 of the steel wire rope is connected with the lifting rope 17, and the hydraulic cylinder 12 can move up and down between the middle plate 4 and the right plate 5. The hydraulic cylinder 12 and the middle and right plates 4, 5 are provided with a gap 18, and the distance of the gap is preferably 5-10% of the diameter of the cylinder body. The sleeve opening of the sleeve 14 is provided with a tightening ring 19 with the outer diameter larger than the outer diameter of the sleeve. The installation base plate 1 is provided with a hand pushing frame 20. The castor 2 is a universal wheel.
In the prior art, shafts of the hydraulic support are connected through pin shafts, and a side guard plate fixed on one side of the hydraulic support is positioned in front of the shafts. When the hydraulic support is used, a round hole is formed at one end of a pin shaft connected between the hydraulic support shafts in advance. When the pin shafts are disassembled, the hydraulic support is pushed to the front of the hydraulic support shafts, the self-locking hand winch 9 is controlled to enable the hydraulic cylinders 12 to reach proper height, one side of the tightening ring 19 is abutted against the side guard plates at the front sides of the shafts, then the hydraulic cylinders are driven to enable the grapples 16 to extend out of the sleeves to hook round holes at one ends of the pin shafts connected between the shafts, the hydraulic cylinders are driven again to enable the grapples to retract into the sleeves, and then the pin shafts connected between the shafts can be pulled out and pulled into the sleeves, so that the disassembly of the pin shafts is completed.
Claims (5)
1. The utility model provides a hydraulic pressure helping hand round pin axle puller which characterized in that: the self-locking hand winch comprises a mounting base plate (1), wherein casters (2) are arranged at the bottom of the mounting base plate, vertical left, middle and right plates (3, 4 and 5) which are parallel to each other are fixedly arranged on the mounting base plate, a mounting top plate (6) which is parallel to the mounting base plate (1) is fixedly arranged at the top of the left, middle and right plates, a first fixed pulley (7) and a second fixed pulley (8) are fixedly arranged at the left side and the middle of the mounting top plate respectively, a self-locking hand winch (9) is arranged on the left side wall of the left plate (3), and a steel wire rope (10) on the self-locking hand winch sequentially winds the first fixed pulley and the second fixed pulley, and the free end (11) of the steel wire rope penetrates through the mounting top plate (6) to extend between the middle and right plates (4 and 5); the hydraulic cylinder is characterized by further comprising a hydraulic cylinder (12) positioned between the middle plate and the right plate (4, 5), a coaxial sleeve (14) is sleeved at the end part of a cylinder body (13) of the hydraulic cylinder, a grapple (16) is fixed on a piston rod (15) of the hydraulic cylinder, the telescopic operation of the piston rod can drive the grapple to extend to the outer side of the sleeve or retract into the sleeve, a lifting rope (17) is arranged on the cylinder body (13), the free end (11) of the steel wire rope is connected with the lifting rope (17), and the hydraulic cylinder (12) can move up and down between the middle plate and the right plate (4, 5).
2. The hydraulic power assisted pin puller of claim 1, wherein: and a gap (18) is arranged between the hydraulic cylinder (12) and the middle and right plates (4, 5).
3. The hydraulic power assisted pin puller of claim 1, wherein: a tightening ring (19) with the outer diameter larger than the outer diameter of the sleeve is arranged at the nozzle of the sleeve (14).
4. The hydraulic power assisted pin puller of claim 1, wherein: the installation base plate (1) is provided with a hand pushing frame (20).
5. The hydraulic power assisted pin puller of claim 1, wherein: the castor (2) is a universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221288214.XU CN218891801U (en) | 2022-05-27 | 2022-05-27 | Hydraulic power-assisted pin shaft puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221288214.XU CN218891801U (en) | 2022-05-27 | 2022-05-27 | Hydraulic power-assisted pin shaft puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218891801U true CN218891801U (en) | 2023-04-21 |
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ID=85999436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221288214.XU Active CN218891801U (en) | 2022-05-27 | 2022-05-27 | Hydraulic power-assisted pin shaft puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218891801U (en) |
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2022
- 2022-05-27 CN CN202221288214.XU patent/CN218891801U/en active Active
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