CN215793742U - Shearing oil cylinder lifting mechanism - Google Patents
Shearing oil cylinder lifting mechanism Download PDFInfo
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- CN215793742U CN215793742U CN202121142735.XU CN202121142735U CN215793742U CN 215793742 U CN215793742 U CN 215793742U CN 202121142735 U CN202121142735 U CN 202121142735U CN 215793742 U CN215793742 U CN 215793742U
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Abstract
The utility model provides a lifting mechanism of a shearing oil cylinder. The shearing oil cylinder lifting mechanism comprises two lifting oil cylinders arranged on the shearing trolley, and the shearing trolley is provided with a lifting mechanism, a disassembling mechanism, two fixing mechanisms and two damping mechanisms; the utility model solves the technical problem of providing a shearing oil cylinder lifting mechanism which can automatically fix a supporting device, lock the supporting device to prevent the supporting device from falling off and reduce the shaking amplitude when the shearing trolley moves.
Description
Technical Field
The utility model belongs to the technical field of oil cylinders, and particularly relates to a lifting mechanism of a shearing oil cylinder.
Background
For a compression shear testing machine, when the compression shear testing machine is used for a static double shear test, the axis of a horizontal loading oil cylinder needs to be adjusted according to different sample thicknesses and sample deformation, the phenomena of unbalanced load and the like are prevented from occurring, the accuracy and the accuracy of a measurement result are influenced, the carrying work of the compression shear testing machine is completed by a shearing trolley, the shearing trolley transports a device to be tested into the compression shear testing machine through a guide rail for testing, the shearing trolley generally moves on the guide rail through a guide wheel, the shearing oil cylinder on the shearing trolley generally goes up and down through a hydraulic cylinder, a supporting device for placing a workpiece is installed on the shearing oil cylinder, and the shearing oil cylinder drives the supporting device to move.
However, in the prior art, the shearing cylinder needs to be used together with the supporting device, the supporting device and the shearing cylinder are often complex to install, and the shearing cylinder is often detached one by using tools by operators when needing to be replaced, which wastes time and labor.
Therefore, it is necessary to provide a new shear cylinder lifting mechanism to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of providing a shearing oil cylinder lifting mechanism which can automatically fix a supporting device, lock the supporting device to prevent the supporting device from falling off and reduce the shaking amplitude when a shearing trolley moves.
In order to solve the technical problem, the shearing oil cylinder lifting mechanism provided by the utility model comprises two lifting oil cylinders arranged on a shearing trolley, wherein the shearing trolley is provided with a lifting mechanism, a disassembling mechanism, two fixing mechanisms and two damping mechanisms;
the lifting mechanism comprises two lifting oil cylinders, an oil cylinder mounting plate, a shearing oil cylinder, a mounting block and a convex block, wherein the two lifting oil cylinders are fixedly mounted at the top of the shearing trolley;
the disassembly mechanism comprises a fixed cavity, a first groove, two second grooves, a mounting groove, a first motor, a first bevel gear, two second bevel gears, two first threaded rods and two moving blocks, the fixed cavity is formed in the mounting block, the first groove is formed in the outer wall of one side of the mounting block, the first groove is communicated with the fixed cavity, the two second grooves are formed in the inner wall of one side of the fixed cavity, the second groove is communicated with the first groove, the mounting groove is formed in the inner wall of one side of the fixed cavity, the first motor is fixedly mounted on the inner wall of one side of the mounting groove, the output shaft of the first motor extends into the fixed cavity, the first bevel gear is fixedly mounted on the output shaft of the first motor, the two second bevel gears are arranged in the fixed cavity, the two second bevel gears are meshed with the first bevel gear, and the two first threaded rods are rotatably mounted in the fixed cavity, one ends, close to each other, of the two first threaded rods are fixedly connected with the corresponding second conical gears respectively, the two moving blocks are installed on the corresponding first threaded rods in a threaded mode respectively, and two ends of the two moving blocks extend into the corresponding second grooves respectively.
As a further scheme of the utility model, the fixing mechanism comprises a third groove, a fourth groove, two stop blocks, a hydraulic cylinder, a rectangular block, a trapezoidal block and two square blocks, wherein the third groove is formed in the outer wall of one side of the mounting block, the fourth groove is formed in the outer wall of one side of the convex block, the two stop blocks are fixedly mounted in the fourth groove, the hydraulic cylinder is fixedly mounted on the inner wall of one side of the third groove, an output shaft of the hydraulic cylinder extends into the fourth groove, the rectangular block is fixedly mounted on the output shaft of the hydraulic cylinder, the trapezoidal block is fixedly mounted on the outer wall of one side of the rectangular block, and the two square blocks are hinged to the trapezoidal block.
As a further scheme of the utility model, the damping mechanism comprises an auxiliary box, a fixed plate, a connecting rod, a supporting plate, a second motor, a second threaded rod, a first sliding rod, a sliding block and two first springs, wherein the auxiliary box is fixedly arranged at one end of the shearing trolley, the fixed plate is fixedly arranged at one end of the oil cylinder mounting plate, the connecting rod is fixedly arranged at the bottom of the fixed plate, the connecting rod extends into the auxiliary box, the second motor is fixedly arranged on the inner wall of the bottom of the auxiliary box, the second threaded rod is fixedly arranged on an output shaft of the second motor, the first sliding rod is fixedly arranged in the auxiliary box, the sliding block is arranged on the second threaded rod in a threaded manner, the sliding block is connected with the first sliding rod in a sliding manner, the first springs are fixedly arranged at the top of the sliding block, and the top ends of the first springs are fixedly connected with the supporting plate.
As a further scheme of the utility model, a rotating cavity is formed in the rectangular block, a third motor is fixedly mounted on the inner wall of one side of the rotating cavity, an idler wheel is fixedly mounted on an output shaft of the third motor, fiber ropes are fixedly mounted at the ends, close to each other, of the two square blocks, the two fiber ropes are wound on the idler wheel, arc-shaped grooves are formed in the two square blocks, two arc-shaped loop bars are fixedly mounted on the rectangular block, the two arc-shaped loop bars respectively extend into the corresponding arc-shaped grooves and are in sliding connection with the arc-shaped grooves, springs are slidably sleeved on the two arc-shaped loop bars, one ends of the two springs are fixedly connected with the rectangular block, and the other ends of the two springs are fixedly connected with the square blocks.
As a further scheme of the utility model, a circular through hole is formed in the top of the auxiliary box, two telescopic rods are fixedly mounted on the inner wall of the circular through hole, one end, close to each other, of each telescopic rod is fixedly mounted with a same circular ring, the circular rings are in sliding connection with the connecting rods, a third spring is slidably sleeved on each telescopic rod, one end of the third spring is fixedly connected with the auxiliary box, and the other end of the third spring is fixedly connected with the circular rings.
As a further scheme of the utility model, two limiting plates are fixedly mounted on the inner wall of one side of the fixed cavity, the two limiting plates are respectively in rotating connection with one corresponding threaded rod, a second sliding rod is fixedly mounted on each of the two limiting plates, the second sliding rod is in sliding connection with a corresponding moving block, a rectangular through hole is formed in the convex block, limiting blocks are fixedly mounted on the sides, close to each other, of the two moving blocks, and the two limiting blocks extend into the rectangular through hole.
Compared with the prior art, the shearing oil cylinder lifting mechanism provided by the utility model has the following beneficial effects:
1. the lifting mechanism is arranged, so that the shearing oil cylinder can be controlled to ascend or descend, and the oil cylinder mounting plate can ascend or descend stably to prevent the shearing oil cylinder from inclining;
2. the support device can be more firmly connected with the shearing oil cylinder by arranging the dismounting mechanism, and the support device can be firmly fixed to prevent the support device from shaking to fall off in the working process.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of a shear cylinder lifting mechanism according to the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the shear cylinder lift mechanism of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged schematic structural view of a portion B in fig. 2.
In the figure: 1. shearing a trolley; 2. a lift cylinder; 3. an oil cylinder mounting plate; 4. shearing an oil cylinder; 5. mounting blocks; 6. a fixed cavity; 7. a first groove; 8. a second groove; 9. a convex block; 10. mounting grooves; 11. a first motor; 12. a first conical gear; 13. a second bevel gear; 14. a first threaded rod; 15. a moving block; 16. a third groove; 17. a fourth groove; 18. a hydraulic cylinder; 19. a rectangular block; 20. a trapezoidal block; 21. a square block; 22. an auxiliary tank.
Detailed Description
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic perspective view of a shearing cylinder lifting mechanism according to the present invention; FIG. 2 is a schematic view of a partial cross-sectional structure of the shear cylinder lift mechanism of the present invention; FIG. 3 is an enlarged schematic view of portion A of FIG. 2; fig. 4 is an enlarged schematic structural view of a portion B in fig. 2. The shearing oil cylinder lifting mechanism comprises two lifting oil cylinders 2 arranged on a shearing trolley 1, and the shearing trolley 1 is provided with a lifting mechanism, a dismounting mechanism, two fixing mechanisms and two damping mechanisms; the lifting mechanism comprises two lifting oil cylinders 2, an oil cylinder mounting plate 3, a shearing oil cylinder 4, a mounting block 5 and a convex block 9, wherein the two lifting oil cylinders 2 are fixedly mounted at the top of the shearing trolley 1, the oil cylinder mounting plate 3 is fixedly mounted on output shafts of the two lifting oil cylinders 2, the shearing oil cylinder 4 is fixedly mounted at the top of the oil cylinder mounting plate 3, the mounting block 5 is fixedly mounted on an output shaft of the shearing oil cylinder 4, and the convex block 9 is arranged on one side of the mounting block 5;
the disassembly mechanism comprises a fixed cavity 6, a first groove 7, two second grooves 8, a mounting groove 10, a first motor 11, a first bevel gear 12, two second bevel gears 13, two first threaded rods 14 and two moving blocks 15, wherein the fixed cavity 6 is arranged in the mounting block 5, the first groove 7 is arranged on the outer wall of one side of the mounting block 5, the first groove 7 is communicated with the fixed cavity 6, the two second grooves 8 are arranged on the inner wall of one side of the fixed cavity 6, the second groove 8 is communicated with the first groove 7, the mounting groove 10 is arranged on the inner wall of one side of the fixed cavity 6, the first motor 11 is fixedly arranged on the inner wall of one side of the mounting groove 10, the output shaft of the first motor 11 extends into the fixed cavity 6, the first bevel gear 12 is fixedly arranged on the output shaft of the first motor 11, and the two second bevel gears 13 are arranged in the fixed cavity 6, the two conical gears 13 are meshed with the first conical gears 12, the two threaded rods 14 are rotatably mounted in the fixed cavity 6, one ends, close to each other, of the two threaded rods 14 are fixedly connected with the corresponding second conical gears 13 respectively, the two moving blocks 15 are mounted on the corresponding first threaded rods 14 in a threaded mode respectively, and two ends of the two moving blocks 15 extend into the corresponding second grooves 8 respectively.
As shown in fig. 4, the fixing mechanism includes a groove three 16, a groove four 17, two stoppers, a hydraulic cylinder 18, a rectangular block 19, a trapezoidal block 20 and two blocks 21, the groove three 16 is arranged on the outer wall of one side of the mounting block 5, the groove four 17 is arranged on the outer wall of one side of the convex block 9, the two stoppers are both fixedly mounted in the groove four 17, the hydraulic cylinder 18 is fixedly mounted on the inner wall of one side of the groove three 16, the output shaft of the hydraulic cylinder 18 extends into the groove four 17, the rectangular block 19 is fixedly mounted on the output shaft of the hydraulic cylinder 18, the trapezoidal block 20 is fixedly mounted on the outer wall of one side of the rectangular block 19, and the two blocks 21 are both hinged to the trapezoidal block 20;
through the mutual cooperation of the third groove 16, the fourth groove 17, the hydraulic cylinder 18, the rectangular block 19, the trapezoidal block 20 and the two square blocks 21, the convex block 9 can be locked on the mounting block 5, and the problem that the convex block 9 and the mounting block 5 are not firmly connected and fall off to cause abnormal work is avoided.
As shown in fig. 2, the damping mechanism includes an auxiliary box 22, a fixing plate, a connecting rod, a supporting plate, a second motor, a second threaded rod, a first sliding rod, a sliding block and two first springs, the auxiliary box 22 is fixedly installed at one end of the shearing trolley 1, the fixing plate is fixedly installed at one end of the oil cylinder mounting plate 3, the connecting rod is fixedly installed at the bottom of the fixing plate, the connecting rod extends into the auxiliary box 22, the second motor is fixedly installed on the inner wall of the bottom of the auxiliary box 22, the second threaded rod is fixedly installed on an output shaft of the second motor, the first sliding rod is fixedly installed in the auxiliary box 22, the sliding block is installed on the second threaded rod in a threaded manner, the sliding block is slidably connected with the first sliding rod, the first springs are fixedly installed at the top of the sliding block, and the top ends of the first springs are fixedly connected with the supporting plate;
through auxiliary box 22, fixed plate, connecting rod, backup pad, motor two, threaded rod two, slide bar one, slider and two springs one mutually support, form and to carry out the shock attenuation to hydro-cylinder mounting panel 3 at shearing 1 removal in-process, avoided hydro-cylinder mounting panel 3 to rock at the removal in-process and lead to removing unstably.
As shown in fig. 4, it rotates the chamber to have seted up in the rectangular block 19, fixed mounting has motor three on the inner wall of one side of rotation chamber, fixed mounting has the idler on motor three's the output shaft, two the equal fixed mounting of one end that the square 21 is close to each other has the fiber rope, two the fiber rope all twines on the idler, two the arc recess has all been seted up on the square 21, fixed mounting has two arc loop bars, two on the rectangular block 19 the arc loop bar extend to respectively in the arc recess that corresponds and with arc recess sliding connection, two equal sliding sleeve is equipped with spring two on the arc loop bar, two the one end and the rectangular block 19 fixed connection of spring two, two the other end and the square 21 fixed connection of spring two.
Through rotating chamber, motor three, idler, fibre rope, arc recess, arc loop bar and spring two and mutually supporting, form and to come two square 21 rotations of indirect control through motor three, avoided square 21 unable rotation to lead to the unable installation piece 5 that breaks away from of convex block 9.
As shown in fig. 1, a circular through hole is formed in the top of the auxiliary box 22, two telescopic rods are fixedly mounted on the inner wall of the circular through hole, one end, close to each other, of each of the two telescopic rods is fixedly mounted with a same circular ring, the circular rings are slidably connected with a connecting rod, a third spring is slidably sleeved on each of the two telescopic rods, one end of the third spring is fixedly connected with the auxiliary box 22, and the other end of the third spring is fixedly connected with the circular rings;
through circular opening, telescopic link, ring and three mutually supporting of spring, form and to carry out the shock attenuation when removing about the connecting rod, avoided 3 ranges of rocking from left to right of hydro-cylinder mounting panel acutely to lead to unable normal work.
As shown in fig. 3, two limiting plates are fixedly mounted on the inner wall of one side of the fixed cavity 6, the two limiting plates are rotatably connected with corresponding first threaded rods 14 respectively, sliding rods two are fixedly mounted on the two limiting plates, the sliding rods two are slidably connected with corresponding moving blocks 15, rectangular through holes are formed in the convex blocks 9, limiting blocks are fixedly mounted on the sides, close to the moving blocks 15, of the two moving blocks, and the two limiting blocks extend into the rectangular through holes;
through limiting plate, slide bar two, rectangle opening and stopper mutually support, form and to make the stopper remove to in the rectangle opening, avoided the convex block 9 to break away from on installation piece 5 and lead to unable normal work.
The working principle of the shearing oil cylinder lifting mechanism provided by the utility model is as follows:
the first step is as follows: when the shearing oil cylinder 4 needs to be lifted, the two lifting oil cylinders 2 are started to drive the oil cylinder mounting plate 3 and the shearing oil cylinder 4 to move upwards to finish the lifting work, when the shearing trolley 1 moves, the oil cylinder mounting plate 3 can shake due to inertia at the beginning and the end of the movement, at the moment, the damping can be carried out through the fixing plate fixedly connected with the oil cylinder mounting plate 3, when the fixing plate is subjected to inertia force, the connecting rod can be driven to move, the connecting rod can extrude the supporting plate when moving downwards, the supporting plate can transmit the force to the two springs I at the bottom of the supporting plate after being stressed, the elastic potential energy of the springs I can buffer the force to achieve the damping effect, meanwhile, when the connecting rod shakes left and right, the circular ring can be driven to extrude the springs III leftwards and rightwards, the damping effect can be achieved by the same principle of the springs III, and thus, the shaking amplitude of the oil cylinder mounting plate 3 can be reduced in the moving process of the shearing trolley 1, finishing the damping work;
the second step is as follows: when the convex block 9 needs to be disassembled, firstly, the first motor 11 is started to drive the first conical gear 12 to rotate, the first conical gear 12 drives the second conical gear 13 to rotate, the second conical gear 13 can respectively drive the first threaded rod 14 to rotate, the first threaded rod 14 can drive the movable block 15 to rotate, the two movable blocks 15 move towards the directions away from each other until the two limited blocks are separated from the rectangular through hole, then the hydraulic cylinder 18 is started to drive the trapezoidal block 20 to move towards the hydraulic cylinder 18, then the third motor is started to drive the idler to rotate, the idler winds the two fiber ropes, the two fiber ropes move towards the direction of the rectangular block 19, the fiber ropes pull the square block 21 to move, the square block 21 is gradually gathered and sleeved with the second extrusion spring, at the moment, the hydraulic cylinder 18 is started to drive the rectangular block 19 to move towards the direction of the mounting block 5 until the trapezoidal block 20 is separated from the convex block 9, and the disassembling work of the convex block 9 is completed, if the reverse operation is needed.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described and clear, and on the premise that the skilled person understands the principle of the utility model, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;
the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments, or a direct or indirect use of these embodiments, without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents, as used in the related art, and all of which are intended to be encompassed by the present invention.
Claims (6)
1. A shearing oil cylinder lifting mechanism is characterized by comprising two lifting oil cylinders arranged on a shearing trolley, wherein the shearing trolley is provided with a lifting mechanism, a disassembling mechanism, two fixing mechanisms and two damping mechanisms;
the lifting mechanism comprises two lifting oil cylinders, an oil cylinder mounting plate, a shearing oil cylinder, a mounting block and a convex block, wherein the two lifting oil cylinders are fixedly mounted at the top of the shearing trolley;
the disassembly mechanism comprises a fixed cavity, a first groove, two second grooves, a mounting groove, a first motor, a first bevel gear, two second bevel gears, two first threaded rods and two moving blocks, the fixed cavity is formed in the mounting block, the first groove is formed in the outer wall of one side of the mounting block, the first groove is communicated with the fixed cavity, the two second grooves are formed in the inner wall of one side of the fixed cavity, the second groove is communicated with the first groove, the mounting groove is formed in the inner wall of one side of the fixed cavity, the first motor is fixedly mounted on the inner wall of one side of the mounting groove, the output shaft of the first motor extends into the fixed cavity, the first bevel gear is fixedly mounted on the output shaft of the first motor, the two second bevel gears are arranged in the fixed cavity, the two second bevel gears are meshed with the first bevel gear, and the two first threaded rods are rotatably mounted in the fixed cavity, one ends, close to each other, of the two first threaded rods are fixedly connected with the corresponding second conical gears respectively, the two moving blocks are installed on the corresponding first threaded rods in a threaded mode respectively, and two ends of the two moving blocks extend into the corresponding second grooves respectively.
2. A shear cylinder lift mechanism as defined in claim 1, further comprising: the fixing mechanism comprises a groove III, a groove IV, two stop blocks, a hydraulic cylinder, a rectangular block, a trapezoidal block and two square blocks, the groove III is formed in the outer wall of one side of the installation block in three ways, the groove IV is formed in the outer wall of one side of the convex block in two ways, the stop blocks are fixedly installed in the groove IV, the hydraulic cylinder is fixedly installed on the inner wall of one side of the groove III, an output shaft of the hydraulic cylinder extends into the groove IV, the rectangular block is fixedly installed on the output shaft of the hydraulic cylinder, the trapezoidal block is fixedly installed on the outer wall of one side of the rectangular block in two ways, and the square blocks are all installed on the trapezoidal block in an articulated mode.
3. A shear cylinder lift mechanism as defined in claim 1, further comprising: damper is including auxiliary tank, fixed plate, connecting rod, backup pad, motor two, threaded rod two, slide bar one, slider and two spring ones, auxiliary tank fixed mounting is in the one end of cuting the dolly, fixed plate fixed mounting in the one end of hydro-cylinder mounting panel connecting rod fixed mounting is in the bottom of fixed plate, the connecting rod extends to the auxiliary tank in, two fixed mounting of motor are on the bottom inner wall of auxiliary tank, two fixed mounting of threaded rod are on the output shaft of motor two, a slide bar fixed mounting is in the auxiliary tank, the slider screw thread is installed on threaded rod two, slider and a slide bar sliding connection, the top at the slider of the equal fixed mounting of spring one, the top of spring one all with backup pad fixed connection.
4. A shear cylinder lift mechanism as defined in claim 2, further comprising: it rotates the chamber to have seted up in the rectangular block, fixed mounting has motor three on the inner wall of one side in rotation chamber, fixed mounting has idler, two on motor three's the output shaft fixed mounting has the fibre rope, two the equal fixed mounting of one end that the square is close to each other has two the fibre rope all twines on the idler, two arc recess has all been seted up on the square, fixed mounting has two arc loop bars on the rectangular block, two the arc loop bar extend to respectively in the arc recess that corresponds and with arc recess sliding connection, two equal sliding sleeve is equipped with spring two, two on the arc loop bar the one end and the rectangular block fixed connection of spring two, two the other end and the square fixed connection of spring two.
5. A shear cylinder lift mechanism as claimed in claim 3, wherein: circular opening has been seted up at the top of auxiliary tank, two fixed mounting have the telescopic link on the inner wall of circular opening, two the one end fixed mounting that the telescopic link is close to each other has same ring, ring and connecting rod sliding connection, two it is equipped with spring three all to slide the cover on the telescopic link, the one end and the auxiliary tank fixed connection of spring three, the other end and the ring fixed connection of spring three.
6. A shear cylinder lift mechanism as defined in claim 1, further comprising: the fixed cavity is characterized in that two limiting plates are fixedly mounted on the inner wall of one side of the fixed cavity, the two limiting plates are respectively in rotating connection with one corresponding threaded rod, two sliding rods are fixedly mounted on the two limiting plates and are in sliding connection with corresponding moving blocks, rectangular openings are formed in the convex blocks, two limiting blocks are fixedly mounted on one sides, close to the moving blocks, of the moving blocks, and the limiting blocks extend into the rectangular openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121142735.XU CN215793742U (en) | 2021-05-24 | 2021-05-24 | Shearing oil cylinder lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121142735.XU CN215793742U (en) | 2021-05-24 | 2021-05-24 | Shearing oil cylinder lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215793742U true CN215793742U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121142735.XU Active CN215793742U (en) | 2021-05-24 | 2021-05-24 | Shearing oil cylinder lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215793742U (en) |
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2021
- 2021-05-24 CN CN202121142735.XU patent/CN215793742U/en active Active
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