CN211110855U - Hydraulic press workstation hoisting device - Google Patents
Hydraulic press workstation hoisting device Download PDFInfo
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- CN211110855U CN211110855U CN201922255448.9U CN201922255448U CN211110855U CN 211110855 U CN211110855 U CN 211110855U CN 201922255448 U CN201922255448 U CN 201922255448U CN 211110855 U CN211110855 U CN 211110855U
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- 230000000670 limiting effect Effects 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 239000003381 stabilizer Substances 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of accessories of hydraulic equipment, in particular to a lifting device of a hydraulic machine workbench, which can enhance the stability degree when a movable plate moves up and down; the lifting device comprises a bottom plate, a left supporting plate, a right supporting plate, a transverse plate, a first pressing plate, a second pressing plate, four groups of stand columns, four groups of sliding rods, a hydraulic cylinder and a moving plate, wherein four groups of telescopic grooves are respectively arranged in the central area of the top ends of the four groups of stand columns, and a lifting column is arranged at the output end of the top of the hydraulic cylinder; the left fixing plate left side wall and the right fixing plate right side wall are respectively provided with a left fixing groove and a right fixing groove, the left support plate right side wall and the right support plate left side wall are respectively provided with a left limiting groove and a right limiting groove, and the left roller and the right roller are respectively rotatably fixed in the left limiting groove and the right limiting groove.
Description
Technical Field
The utility model relates to a hydraulic equipment auxiliary device's technical field especially relates to a hydraulic press workstation hoisting device.
Background
As is well known, a hydraulic press workbench lifting device is an auxiliary device used on a hydraulic press for lifting a workbench, and is widely used in the field of hydraulic equipment; the existing hydraulic press workbench lifting device comprises a bottom plate, a left supporting plate, a right supporting plate, a transverse plate, a first pressing plate, a second pressing plate, four groups of upright posts, four groups of sliding rods, a hydraulic cylinder and a moving plate, wherein the bottom ends of the left supporting plate and the right supporting plate are respectively connected with the left half area and the right half area of the top end of the bottom plate, the top ends of the left supporting plate and the right supporting plate are respectively connected with the left half area and the right half area of the bottom end of the transverse plate, the top end of the first pressing plate is connected with the central area of the bottom end of the transverse plate, the bottom ends of the four groups of upright posts are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate, the central areas of the top ends of the four groups of sliding rods are respectively connected with the left front side, the right front side, the, the output end of the top of the hydraulic cylinder is provided with a lifting column, the top end of the lifting column is connected with the central area of the bottom end of the movable plate, and the bottom end of the second pressing plate is connected with the central area of the top end of the movable plate; when the traditional hydraulic press workbench lifting device is used, a lifting column is controlled to move upwards through a hydraulic cylinder, the lifting column pushes a moving plate to move upwards, four groups of sliding rods can respectively slide upwards in four groups of sliding grooves, and a product is punched or extruded through a first pressing plate and a second pressing plate; the existing hydraulic press workbench lifting device is found in use that transverse shaking is easy to occur in the moving plate up and down moving process, so that the use stability of the hydraulic press workbench lifting device is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can strengthen the stability degree when the movable plate reciprocates, improve stability in use's hydraulic press workstation hoisting device.
The utility model relates to a hydraulic press workbench lifting device, which comprises a bottom plate, a left support plate, a right support plate, a transverse plate, a first press plate, a second press plate, four groups of upright posts, four groups of sliding rods, a hydraulic cylinder and a movable plate, wherein the bottom ends of the left support plate and the right support plate are respectively connected with the left half area and the right half area of the top end of the bottom plate, the top ends of the left support plate and the right support plate are respectively connected with the left half area and the right half area of the bottom end of the transverse plate, the top end of the first press plate is connected with the central area of the bottom end of the transverse plate, the bottom ends of the four groups of upright posts are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate, the bottom ends of the four groups of sliding rods respectively extend into the four groups of sliding grooves, the bottom end of the hydraulic cylinder is, the output end of the top of the hydraulic cylinder is provided with a lifting column, the top end of the lifting column is connected with the central area of the bottom end of the movable plate, and the bottom end of the second pressing plate is connected with the central area of the top end of the movable plate; also comprises a left fixed plate, a right fixed plate, a left fixed shaft, a right fixed shaft, a left roller and a right roller, the right end of the left fixed plate and the left end of the right fixed plate are respectively connected with the lower half area of the left side wall and the right side wall of the movable plate, the left side wall of the left fixed plate and the right side wall of the right fixed plate are respectively provided with a left fixed groove and a right fixed groove, the left fixed groove and the right fixed groove are respectively communicated with the top end and the bottom end of the left fixed plate and the right fixed plate, the front ends of the left fixing shaft and the right fixing shaft are respectively connected with the front side wall in the left fixing groove and the right fixing groove, the rear ends of the left fixing shaft and the right fixing shaft are respectively connected with the rear side wall in the left fixing groove and the right fixing groove, the left idler wheel and the right idler wheel are respectively rotatably fixed in the central area outside the left fixing shaft and the right fixing shaft, the right side wall of the left support plate and the left side wall of the right support plate are respectively provided with a left limiting groove and a right limiting groove, and the left idler wheel and the right idler wheel are respectively rotatably fixed in the left limiting groove and the right limiting groove.
The utility model discloses a hydraulic press workstation hoisting device still includes left anchor strut and right anchor strut, left side anchor strut and right anchor strut top respectively with remove first regional connection in board left side wall and the right side wall, left anchor strut and right anchor strut bottom respectively with left fixed plate and right fixed plate top central authorities regional connection.
The utility model discloses a hydraulic press workstation hoisting device still includes left stabilizer bar and right stabilizer bar, left stabilizer bar and right stabilizer bar top respectively with diaphragm top left side half regional and right half regional connection, left stabilizer bar and right stabilizer bar bottom respectively with left support plate right side wall and right support plate left side wall first half regional connection.
The utility model discloses a hydraulic press workstation hoisting device still includes four group's stoppers, four group's stand right side walls transversely are provided with four group's quad slit respectively, four group's stopper left ends pass four group's quad slit respectively and be connected with four group's slide bar right side wall second region respectively.
The utility model discloses a hydraulic press workstation hoisting device still includes left handle and right handle, left side handle right-hand member and right handle left end are connected with left backup pad left side wall and right backup pad right side wall central zone respectively.
The utility model discloses a hydraulic press workstation hoisting device still includes left mounting panel and right mounting panel, left side mounting panel right-hand member and right mounting panel left end are connected with bottom plate left side wall and right side wall central zone respectively, and left side mounting panel and right mounting panel top central zone vertically are provided with left mounting hole and right mounting hole respectively.
The utility model discloses a hydraulic press workstation hoisting device still includes left stay cord and right stay cord, left stay cord and right stay cord top respectively with half regional and the half regional connection on the right side of movable plate bottom left side, left stay cord and right stay cord bottom respectively with half regional and the half regional connection on the right side on the left side of bottom plate top.
The utility model discloses a hydraulic press workstation hoisting device, left handle and right handle lateral wall are provided with left slipmat and right slipmat respectively.
Compared with the prior art, the beneficial effects of the utility model are that: the lifting columns are controlled to move upwards through the hydraulic cylinders, the lifting columns push the movable plate to move upwards, four groups of sliding rods can slide upwards in four groups of sliding grooves respectively, products are punched or extruded through the first pressing plate and the second pressing plate, in the process that the movable plate moves up and down, the left roller and the right roller can slide up and down in the left limiting groove and the right limiting groove respectively, the left roller and the right roller can be in rolling contact with the left side wall in the left limiting groove and the right side wall in the right limiting groove respectively, the transverse position of the movable plate can be limited through the left fixed plate and the right fixed plate, the stability of the movable plate during moving up and down can be enhanced, and the use stability is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic top view of a part of the structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is a schematic top view of the connection of the upright and the sliding rod;
in the drawings, the reference numbers: 1. a base plate; 2. a left support plate; 3. a right support plate; 4. a transverse plate; 5. a first platen; 6. a second platen; 7. a column; 8. a slide bar; 9. a hydraulic cylinder; 10. moving the plate; 11. a lifting column; 12. a left fixing plate; 13. a right fixing plate; 14. a left stationary shaft; 15. a right fixed shaft; 16. a left roller; 17. a right roller; 18. a left limit groove; 19. a right limit groove; 20. a left reinforcement bar; 21. a right reinforcing rod; 22. a left stabilizer bar; 23. a right stabilizer bar; 24. a limiting block; 25. a left handle; 26. a right handle; 27. a left mounting plate; 28. a right mounting plate; 29. a left pull rope; 30. a right pull rope; 31. a left non-slip mat; 32. and a right non-slip mat.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in figures 1 to 4, the lifting device for the hydraulic press workbench of the utility model comprises a bottom plate 1, a left support plate 2, a right support plate 3, a transverse plate 4, a first press plate 5, a second press plate 6, four groups of upright posts 7, four groups of slide bars 8, a hydraulic cylinder 9 and a movable plate 10, wherein the bottom ends of the left support plate 2 and the right support plate 3 are respectively connected with the left half area and the right half area of the top end of the bottom plate 1, the top ends of the left support plate 2 and the right support plate 3 are respectively connected with the left half area and the right half area of the bottom end of the transverse plate 4, the top end of the first press plate 5 is connected with the central area of the bottom end of the transverse plate 4, the bottom ends of the four groups of upright posts 7 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate 1, four groups of slide bars 8, the bottom ends of the four groups of sliding rods 8 respectively extend into the four groups of sliding grooves, the bottom end of a hydraulic cylinder 9 is connected with the central area of the top end of the bottom plate 1, a lifting column 11 is arranged at the output end of the top of the hydraulic cylinder 9, the top end of the lifting column 11 is connected with the central area of the bottom end of the moving plate 10, and the bottom end of a second pressing plate 6 is connected with the central area of the top end of the moving plate; the movable plate is characterized by further comprising a left fixing plate 12, a right fixing plate 13, a left fixing shaft 14, a right fixing shaft 15, a left roller 16 and a right roller 17, wherein the right end of the left fixing plate 12 and the left end of the right fixing plate 13 are respectively connected with the lower half area of the left side wall and the right side wall of the movable plate 10, the left side wall of the left fixing plate 12 and the right side wall of the right fixing plate 13 are respectively provided with a left fixing groove and a right fixing groove, the left fixing groove and the right fixing groove are respectively communicated with the top end and the bottom end of the left fixing plate 12 and the right fixing plate 13, the front ends of the left fixing shaft 14 and the right fixing shaft 15 are respectively connected with the front side wall in the left fixing groove and the right fixing groove, the rear ends of the left fixing shaft 14 and the right fixing shaft 15 are respectively connected with the rear side wall in the left fixing groove and the right fixing groove, the left roller 16 and the, the left roller 16 and the right roller 17 are respectively fixed in the left limiting groove 18 and the right limiting groove 19 in a rotatable manner; the lifting columns are controlled to move upwards through the hydraulic cylinders, the lifting columns push the movable plate to move upwards, four groups of sliding rods can slide upwards in four groups of sliding grooves respectively, products are punched or extruded through the first pressing plate and the second pressing plate, in the process that the movable plate moves up and down, the left roller and the right roller can slide up and down in the left limiting groove and the right limiting groove respectively, the left roller and the right roller can be in rolling contact with the left side wall in the left limiting groove and the right side wall in the right limiting groove respectively, the transverse position of the movable plate can be limited through the left fixed plate and the right fixed plate, the stability of the movable plate during moving up and down can be enhanced, and the use stability is improved.
The utility model discloses a hydraulic press workstation hoisting device, still include left anchor strut 20 and right anchor strut 21, left anchor strut 20 and right anchor strut 21 top are connected with movable plate 10 left side wall and right side wall first region respectively, left anchor strut 20 and right anchor strut 21 bottom are connected with left fixed plate 12 and right fixed plate 13 top central region respectively; left side anchor strut and right anchor strut can fix left fixed plate and right fixed plate respectively, improve the stability in use.
The utility model discloses a hydraulic press workbench lifting device, which also comprises a left stabilizer bar 22 and a right stabilizer bar 23, wherein the top ends of the left stabilizer bar 22 and the right stabilizer bar 23 are respectively connected with the left half area and the right half area of the top end of a transverse plate 4, and the bottom ends of the left stabilizer bar 22 and the right stabilizer bar 23 are respectively connected with the right side wall of a left support plate 2 and the upper half area of the left side wall of a right support plate 3; the left stabilizer bar and the right stabilizer bar can enhance the firm connection degree between the transverse plate and the left support plate and the right support plate, and the use reliability is improved.
The utility model discloses a hydraulic press workbench lifting device, which also comprises four groups of limiting blocks 24, wherein the right side walls of four groups of upright posts 7 are respectively and transversely provided with four groups of square holes, and the left ends of the four groups of limiting blocks 24 respectively pass through the four groups of square holes and are respectively connected with the lower half area of the right side walls of four groups of sliding rods 8; the four groups of limiting blocks can respectively limit the four groups of sliding rods, so that the use safety is improved.
The utility model discloses a hydraulic press workbench lifting device, which also comprises a left handle 25 and a right handle 26, wherein the right end of the left handle 25 and the left end of the right handle 26 are respectively connected with the central areas of the left side wall of the left supporting plate 2 and the right side wall of the right supporting plate 3; the left handle and the right handle can be convenient for the staff to remove the device, improve and use the flexibility.
The utility model discloses a hydraulic press workbench lifting device, which also comprises a left mounting plate 27 and a right mounting plate 28, wherein the right end of the left mounting plate 27 and the left end of the right mounting plate 28 are respectively connected with the central areas of the left side wall and the right side wall of the bottom plate 1, and the central areas of the top ends of the left mounting plate 27 and the right mounting plate 28 are respectively and longitudinally provided with a left mounting hole and a right mounting hole; the left mounting plate and the right mounting plate can be convenient for workers to fix the device, and use convenience is improved.
The utility model discloses a hydraulic press workbench lifting device, which also comprises a left pull rope 29 and a right pull rope 30, wherein the top ends of the left pull rope 29 and the right pull rope 30 are respectively connected with the left half area and the right half area of the bottom end of the movable plate 10, and the bottom ends of the left pull rope 29 and the right pull rope 30 are respectively connected with the left half area and the right half area of the top end of the bottom plate 1; the left pull rope and the right pull rope can further enhance the limiting effect on the moving plate, and the use reliability is improved.
In the lifting device for the hydraulic press workbench of the utility model, the outer side walls of the left handle 25 and the right handle 26 are respectively provided with a left non-slip mat 31 and a right non-slip mat 32; left slipmat and right slipmat can protect staff's palm, improve the safety in utilization.
The utility model discloses a hydraulic press workstation hoisting device, it is at the during operation, through pneumatic cylinder control lift post rebound, the lift post promotes the movable plate rebound, four groups slide bar can be respectively in four groups sliding tray rebound, carry out punching press or extrusion to the product through first clamp plate and second clamp plate, in the process that the movable plate reciprocates, left gyro wheel and right gyro wheel can slide from top to bottom in left spacing groove and right spacing groove respectively, left gyro wheel and right gyro wheel can respectively with left side wall and right side wall rolling contact in the right spacing groove in left spacing groove, can carry out spacing to the movable plate lateral position through left fixed plate and right fixed plate, thereby can strengthen the stability when the movable plate reciprocates, improve the stability in use; the left reinforcing rod and the right reinforcing rod can respectively fix the left fixing plate and the right fixing plate, so that the use stability is improved; the left stabilizer bar and the right stabilizer bar can enhance the connection firmness degree between the transverse plate and the left support plate and the right support plate, and improve the use reliability; the four groups of limiting blocks can respectively limit the four groups of sliding rods, so that the use safety is improved; the left handle and the right handle can facilitate the movement of the device by workers, so that the use flexibility is improved; the left mounting plate and the right mounting plate can facilitate workers to fix the device, so that the use convenience is improved; the left pull rope and the right pull rope can further enhance the limiting effect on the moving plate, and the use reliability is improved; left slipmat and right slipmat can protect staff's palm, improve the safety in utilization.
The utility model discloses a pneumatic cylinder that hydraulic press workstation hoisting device used is purchased from the market, only need according to the description install use can.
The utility model discloses a hydraulic press workstation hoisting device, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to the concrete structure, model and the coefficient index of its all parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at much and give unnecessary detail.
The lifting device of the hydraulic machine workbench of the utility model, under the condition of not explaining the contrary, the orientation words contained in the terms of 'up-down, left-right, front-back, inside-outside, vertical and horizontal' and the like only represent the orientation of the term under the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A lifting device for a hydraulic press workbench comprises a bottom plate (1), a left support plate (2), a right support plate (3), a transverse plate (4), a first pressing plate (5), a second pressing plate (6), four groups of stand columns (7), four groups of sliding rods (8), a hydraulic cylinder (9) and a movable plate (10), wherein the bottom ends of the left support plate (2) and the right support plate (3) are respectively connected with the left half area and the right half area of the top end of the bottom plate (1), the top ends of the left support plate (2) and the right support plate (3) are respectively connected with the left half area and the right half area of the bottom end of the transverse plate (4), the top end of the first pressing plate (5) is connected with the central area of the bottom end of the transverse plate (4), the bottom ends of the four groups of stand columns (7) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate (1), the four, The right front side, the left rear side and the right rear side are connected, the bottom ends of four groups of sliding rods (8) respectively extend into four groups of sliding grooves, the bottom end of a hydraulic cylinder (9) is connected with the central area of the top end of a bottom plate (1), the output end of the top of the hydraulic cylinder (9) is provided with a lifting column (11), the top end of the lifting column (11) is connected with the central area of the bottom end of a moving plate (10), and the bottom end of a second pressing plate (6) is connected with the central area of the top end of the moving plate (10; the movable type food processor is characterized by further comprising a left fixing plate (12), a right fixing plate (13), a left fixing shaft (14), a right fixing shaft (15), a left roller (16) and a right roller (17), wherein the right end of the left fixing plate (12) and the left end of the right fixing plate (13) are respectively connected with the lower half area of the left side wall and the right side wall of the movable plate (10), the left side wall of the left fixing plate (12) and the right side wall of the right fixing plate (13) are respectively provided with a left fixing groove and a right fixing groove, the left fixing groove and the right fixing groove are respectively communicated with the top end and the bottom end of the left fixing plate (12) and the right fixing plate (13), the front ends of the left fixing shaft (14) and the right fixing shaft (15) are respectively connected with the front side walls in the left fixing groove and the right fixing groove, the rear ends of the left fixing shaft (14) and the right fixing shaft (15) are respectively connected with the inner rear side walls in the left fixing groove and the right, the right side wall of the left support plate (2) and the left side wall of the right support plate (3) are respectively provided with a left limiting groove (18) and a right limiting groove (19), and the left roller (16) and the right roller (17) are respectively fixed in the left limiting groove (18) and the right limiting groove (19) in a rotatable manner.
2. The hydraulic press workbench lifting device according to claim 1, further comprising a left reinforcing rod (20) and a right reinforcing rod (21), wherein the top ends of the left reinforcing rod (20) and the right reinforcing rod (21) are respectively connected with the upper half areas of the left side wall and the right side wall of the movable plate (10), and the bottom ends of the left reinforcing rod (20) and the right reinforcing rod (21) are respectively connected with the central areas of the top ends of the left fixed plate (12) and the right fixed plate (13).
3. The hydraulic press workbench lifting device according to claim 2, further comprising a left stabilizer bar (22) and a right stabilizer bar (23), wherein the top ends of the left stabilizer bar (22) and the right stabilizer bar (23) are respectively connected with the left half area and the right half area of the top end of the transverse plate (4), and the bottom ends of the left stabilizer bar (22) and the right stabilizer bar (23) are respectively connected with the right side wall of the left support plate (2) and the upper half area of the left side wall of the right support plate (3).
4. The lifting device of the hydraulic press workbench according to claim 3, characterized by further comprising four sets of limiting blocks (24), wherein four sets of square holes are respectively transversely arranged on the right side walls of the four sets of upright posts (7), and the left ends of the four sets of limiting blocks (24) respectively penetrate through the four sets of square holes and are respectively connected with the lower half areas of the right side walls of the four sets of sliding rods (8).
5. A hydraulic machine table lifting device according to claim 4, further comprising a left handle (25) and a right handle (26), wherein the right end of the left handle (25) and the left end of the right handle (26) are connected to the central regions of the left side wall of the left support plate (2) and the right side wall of the right support plate (3), respectively.
6. The hydraulic press workbench lifting device according to claim 5, further comprising a left mounting plate (27) and a right mounting plate (28), wherein the right end of the left mounting plate (27) and the left end of the right mounting plate (28) are respectively connected with the central regions of the left side wall and the right side wall of the bottom plate (1), and the central regions of the top ends of the left mounting plate (27) and the right mounting plate (28) are respectively provided with a left mounting hole and a right mounting hole in the longitudinal direction.
7. The hydraulic press workbench lifting device according to claim 6, further comprising a left pulling rope (29) and a right pulling rope (30), wherein the top ends of the left pulling rope (29) and the right pulling rope (30) are respectively connected with the left half area and the right half area of the bottom end of the movable plate (10), and the bottom ends of the left pulling rope (29) and the right pulling rope (30) are respectively connected with the left half area and the right half area of the top end of the bottom plate (1).
8. A hydraulic machine table lifting device according to claim 7, characterized in that the left handle (25) and the right handle (26) are provided with a left anti-skid pad (31) and a right anti-skid pad (32) on the outer side wall, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922255448.9U CN211110855U (en) | 2019-12-16 | 2019-12-16 | Hydraulic press workstation hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922255448.9U CN211110855U (en) | 2019-12-16 | 2019-12-16 | Hydraulic press workstation hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211110855U true CN211110855U (en) | 2020-07-28 |
Family
ID=71696769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922255448.9U Expired - Fee Related CN211110855U (en) | 2019-12-16 | 2019-12-16 | Hydraulic press workstation hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211110855U (en) |
-
2019
- 2019-12-16 CN CN201922255448.9U patent/CN211110855U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |