CN210366815U - Lifting device - Google Patents
Lifting device Download PDFInfo
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- CN210366815U CN210366815U CN201920992014.4U CN201920992014U CN210366815U CN 210366815 U CN210366815 U CN 210366815U CN 201920992014 U CN201920992014 U CN 201920992014U CN 210366815 U CN210366815 U CN 210366815U
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- lifting plate
- roller
- lifting
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Abstract
The utility model discloses a lifting device, this lifting device includes: the first lifting plate and the second lifting plate are arranged oppositely and used for receiving a component to be lifted; the output end of the driving mechanism is connected with the first lifting plate and is used for driving the first lifting plate to move in the vertical direction; and the synchronous transmission mechanism is connected with the first lifting plate and the second lifting plate and used for driving the second lifting plate to move synchronously and in the same direction as the first lifting plate. In this way, the utility model discloses can effectively promote lift stability.
Description
Technical Field
The utility model relates to an automation equipment technical field especially relates to a lifting device.
Background
The lifting device is an indispensable device in modern production workshops. The existing lifting device adopts a driving mechanism to drive a lifting plate to realize lifting movement, and when the size of a cantilever structure arranged on the lifting plate is overlarge, the stability of the lifting movement is easily influenced; when two driving mechanisms are adopted to drive two ends of the cantilever structure to lift, the two driving mechanisms are easy to lift and are asynchronous, so that the stability of lifting motion is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a lifting device, can effectively promote lift stability.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a lifting device including: the lifting device comprises a first lifting plate and a second lifting plate, wherein the first lifting plate and the second lifting plate are oppositely arranged and are used for receiving a component to be lifted; the output end of the driving mechanism is connected with the first lifting plate and is used for driving the first lifting plate to move in the vertical direction; and the synchronous transmission mechanism is connected with the first lifting plate and the second lifting plate and is used for driving the second lifting plate to move synchronously and in the same direction as the first lifting plate.
Wherein, synchronous drive mechanism includes: and the first transmission assembly is arranged on one side of the driving assembly and is used for synchronously driving the second lifting plate to ascend when the first lifting plate ascends.
Wherein the first transmission assembly comprises: the first roller is arranged below the first lifting plate; the second roller is arranged below the second lifting plate and is positioned on the same horizontal plane with the first roller; the third roller is positioned above the second roller and is positioned on the same vertical plane with the second roller; first drive belt, first end with first lifter plate is connected, and the second end is in proper order around passing through first gyro wheel deviates from one side of third gyro wheel, the second gyro wheel deviates from one side of first lifter plate the third gyro wheel deviates from one side of first gyro wheel, last flagging with the second lifter plate is connected.
Wherein the first transmission assembly further comprises: a first fixed block for connecting the first end of the first drive belt with the first lifter plate; a second fixed block for connecting the second end of the first drive belt with the second lifter plate; the first roller wheel seat is arranged on the first roller wheel seat in a rolling manner; the second roller wheel seat is arranged on the second roller wheel seat in a rolling manner; and the third roller wheel seat is arranged on the third roller wheel seat in a rolling manner.
Wherein, synchronous drive mechanism includes: and the second transmission assembly is arranged opposite to the first transmission assembly, is positioned on the other side of the driving assembly and is used for synchronously driving the second lifting plate to descend when the first lifting plate descends.
Wherein the second transmission assembly comprises: the fourth roller is arranged below the first lifting plate; the fifth roller is positioned above the fourth roller and is positioned on the same vertical plane with the fourth roller; the sixth roller is arranged below the second lifting plate and is positioned on the same horizontal plane with the fourth roller; and a first end of the second driving belt is connected with the first lifting plate, and a second end of the second driving belt sequentially passes through one side of the fifth roller deviating from the fourth roller, one side of the fourth roller deviating from the first lifting plate and one side of the sixth roller deviating from the fourth roller are connected with the second lifting plate.
Wherein the first transmission assembly further comprises: a third fixed block for connecting the first end of the second belt with the first lifting plate; the fourth fixing block is used for connecting the second end of the second transmission belt with the second lifting plate; the fourth roller wheel seat is arranged on the fourth roller wheel seat in a rolling manner; the fifth roller seat is arranged on the fifth roller seat in a rolling manner; and the sixth roller is arranged on the sixth roller seat in a rolling manner.
The first transmission belt and the second transmission belt are synchronous belts.
Wherein the drive mechanism comprises: the motor is used for providing force for driving the first lifting plate to lift; the screw rod is rotatably supported on the screw rod support and is in transmission connection with the motor, a screw rod nut is sleeved on the screw rod, and the screw rod nut is fixedly connected with the first lifting plate; the first sliding rail and the second sliding rail are respectively and vertically arranged at the outer sides of the first lifting plate and the second lifting plate; the first sliding block and the second sliding block are respectively assembled on the first sliding rail and the second sliding rail in a sliding mode and fixedly connected with the first lifting plate, so that the movement direction of the first lifting plate is parallel to the extension direction of the first sliding rail and the second sliding rail; the driving mechanism is arranged on the fixed seat, the first slide rail is vertically arranged on the fixed seat through a first slide rail seat, and the second slide rail is arranged perpendicular to the ground through a second slide rail seat.
Wherein, elevating gear includes: and the motor is connected with the screw rod through the coupler.
Wherein, elevating gear includes: the driving wheel is fixedly connected with the driving end of the motor; and the driven wheel is fixedly connected with one end of the screw rod and is in transmission connection with the driving wheel through a belt.
The utility model has the advantages that: be different from prior art's condition, the utility model discloses well synchronous drive mechanism connects first lifter plate and second lifter plate, drives the synchronous and syntropy motion of second lifter plate and first lifter plate through synchronous drive mechanism, can realize that first lifter plate and second lifter plate go up and down in step, effectively improves the stability of going up and down.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Wherein:
fig. 1 is a schematic structural diagram of a first embodiment of a lifting device provided by the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the lifting device provided by the present invention;
fig. 3 is a schematic structural diagram of a third embodiment of the lifting device provided by the present invention;
fig. 4 is a schematic top view of a lifting device according to a third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a lifting device according to a first embodiment of the present invention. The lifting device 10 in the present embodiment includes a first lifting plate 11, a second lifting plate 12, a driving mechanism 13, and a synchronous transmission mechanism 14. The first lifting plate 11 and the second lifting plate 12 are arranged oppositely and used for receiving components needing to be lifted. For example, the component to be lifted may be pressed on one side against the first lifting plate 11 and on the other side against the second lifting plate 12. Or a bearing plate is overlapped on the first lifting plate 11 and the second lifting plate 12, and a part to be lifted is placed on the bearing plate to be lifted. The output end of the driving mechanism 13 is connected to the first lifting plate 11 to drive the first lifting plate 11 to move in the vertical direction. The synchronous transmission mechanism 14 is connected to the first lifting plate 11 and the second lifting plate 12, and is configured to drive the second lifting plate 12 to move synchronously and in the same direction as the first lifting plate 11, that is, the second lifting plate 12 and the first lifting plate 11 ascend or descend synchronously.
It can be known through the above-mentioned description that connect first lifter plate and second lifter plate through synchronous drive mechanism in this embodiment to realize driving the synchronous and syntropy motion of second lifter plate and first lifter plate through synchronous drive mechanism when first lifter plate goes up and down, thereby can effectively promote the stability of going up and down.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a lifting device according to a second embodiment of the present invention. The lifting device 20 provided by the present embodiment includes a first lifting plate 21, a second lifting plate 22, a driving mechanism 23, and a synchronous transmission mechanism 24. The first lifting plate 21 and the second lifting plate 22 are arranged oppositely and used for receiving components needing to be lifted. The output end of the driving mechanism 23 is connected to the first lifting plate 21 to drive the first lifting plate 21 to move in the vertical direction.
The synchronous drive mechanism 24 includes a first drive assembly 241 and a second drive assembly 242. The first transmission assembly 241 is connected to the first lifting plate 21 and the second lifting plate 22, and the second transmission assembly 242 is connected to the first lifting plate 21 and the second lifting plate 22. The first transmission assembly 241 is disposed on one side of the synchronous transmission mechanism 24, and in the present implementation scenario, the first lifting plate 21 and the second lifting plate 22 are disposed horizontally and located on the left side and the right side of the synchronous transmission mechanism 24, respectively. The first transmission assembly 241 is disposed at the front side of the synchronous transmission mechanism 24 and is used for driving the second lifting plate 22 to synchronously lift when the first lifting plate 21 lifts. The second transmission assembly 242 is disposed corresponding to the first transmission assembly 241 and disposed on the other side of the synchronous transmission mechanism 24, in this implementation scenario, the second transmission assembly 242 is disposed on the rear side of the synchronous transmission mechanism 24 and is used for driving the second lifting plate 22 to descend synchronously when the first lifting plate 21 descends.
In other implementation scenarios, the first transmission assembly 241 may be disposed at the rear side of the synchronous transmission mechanism 24, and the second transmission assembly 242 may be disposed at the front side of the synchronous transmission mechanism 24.
In other implementation scenarios, only the first transmission assembly 241 may be provided, and when the first lifting plate 21 is lowered, the second lifting plate 22 may be lowered synchronously with the first lifting plate 21 under the action of gravity and the pulling force of the first transmission assembly 241.
It can be known through the above-mentioned description that drive the motion that the second lifter plate carries out synchronization and syntropy when first lifter plate rises and descends through setting up first drive assembly and second drive assembly respectively in this embodiment, can ensure that first lifter plate and second lifter plate all keep synchronous when rising and descending, have further strengthened the stability of going up and down.
Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of a lifting device according to a third embodiment of the present invention. Fig. 4 is a schematic top view of a lifting device according to a third embodiment of the present invention. The lifting device 30 provided in the present embodiment includes a first lifting plate 31, a second lifting plate 32, a driving mechanism 33, and a synchronous transmission mechanism 34. The first lifting plate 31 and the second lifting plate 32 are arranged oppositely and used for receiving components needing to be lifted. An output end of the driving mechanism 33 is connected to the first lifting plate 31 to drive the first lifting plate 31 to move in the vertical direction.
The synchronous drive mechanism 34 includes a first drive assembly 341 and a second drive assembly 342. The first transmission assembly 341 connects the first lifting plate 31 and the second lifting plate 32, and the second transmission assembly 342 connects the first lifting plate 31 and the second lifting plate 32. The first transmission assembly 341 is used for driving the second lifting plate 32 to synchronously lift when the first lifting plate 31 lifts. The second transmission assembly 342 is used for driving the second lifting plate 32 to synchronously descend when the first lifting plate 31 descends.
The first transmission assembly 341 includes a first roller 3411, a second roller 3412, a third roller 3413, and a first transmission belt 3414. The first roller 3411 is disposed below the first lifting plate 31, the second roller 3412 is disposed below the second lifting plate 32 and is located at the same horizontal plane as the first roller 3411, and the third roller 3413 is disposed above the second roller 3412 and is located at the same vertical plane as the second roller 3412. A first end of the first transmission belt 3414 is connected to a lower end of the first lifting plate 31, a second end of the first transmission belt 3414 sequentially passes through a side of the first roller 3411 facing away from the third roller 3413, a side of the second roller 3412 facing away from the first lifting plate 31, a side of the third roller 3413 facing away from the first roller 3411, and finally hangs down to be connected to an upper end of the second lifting plate 32.
When the driving mechanism 33 drives the first lifting plate 31 to ascend, the first transmission belt 3414 between the first roller 3411 and the first lifting plate 31 is pulled upward, the first transmission belt 3414 between the first roller 3411 and the second roller 3412 moves to the left, the first transmission belt 3414 between the second roller 3412 and the third roller 3413 moves downward, and the first transmission belt 3414 between the second lifting plate 32 and the third roller 3413 moves upward, so that the second lifting plate 32 is moved upward. Therefore, in the present embodiment, it is realized that when the first lifting plate 31 is lifted, the second lifting plate 32 is lifted synchronously.
Further, the first transmission assembly 341 further includes: first fixed block 3415, second fixed block 3416, first roller mount 3417, second roller mount 3418, and third roller mount 3419. The first fixing block 3415 is used to connect a first end of the first driving belt 3414 to the first lifting plate 31. The second fixing block 3416 is used to connect the second end of the first driving belt 3414 to the second lifting plate 32. The first roller 3411 is rotatably mounted on the first roller mount 3417. Second roller 3412 is rotatably mounted on second roller mount 3418. Third roller 3413 is rotatably mounted on third roller mount 3419.
The second driving assembly 342 includes a fourth roller 3421, a fifth roller 3422, a sixth roller 3423, and a second belt 3424. The fourth roller 3421 is disposed below the first lifting plate 31, the fifth roller 3422 is disposed above the fourth roller 3421 and located on the same vertical plane as the fourth roller 3421, and the sixth roller 3423 is disposed below the second lifting plate 32 and located on the same horizontal plane as the fourth roller 3421. The first end of the second belt is connected to the upper end of the first lifting plate 31, and the second end is connected to the lower end of the second lifting plate 32 via the side of the fifth roller 3422 departing from the fourth roller 3421, the side of the fourth roller 3421 departing from the first lifting plate 31, and the side of the sixth roller 3423 departing from the fourth roller 3421.
When the driving mechanism 33 drives the first lifting plate 31 to descend, the second belt 3424 between the first lifting plate 31 and the fifth roller 3422 moves downward, the second belt 3424 between the fourth roller 3421 and the fifth roller 3422 moves upward, the second belt 3424 between the fourth roller 3421 and the sixth roller 3423 moves leftward, and the second belt 3424 between the second lifting plate 32 and the sixth roller 3423 moves downward, so as to drive the second lifting plate 32 to move downward. Therefore, the present embodiment can realize that the second lifting plate 32 is lowered simultaneously when the first lifting plate 31 is lowered.
Further, the second transmission set 342 includes: a third fixing block 3425, a fourth fixing block 3426, a fourth roller mount 3427, a fifth roller mount 3428, and a sixth roller mount 3429. The third fixing block 3425 is used to connect the first end of the second belt 3424 with the first elevating plate 31. The fourth fixing block 3426 is used to connect the second end of the second belt 3424 with the second lifting plate 32. The fourth roller 3421 is rotatably disposed on the fourth roller mount 3427. The fifth roller 3422 is rotatably disposed on the fifth roller mount 3428. The sixth roller 3423 is rotatably disposed on the sixth roller mount 3429.
In this embodiment, the first belt 3414 and the second belt 3424 are timing belts, and in other embodiments, the first belt 3414 and the second belt 3424 are made of other materials.
It can be known through the above-mentioned description that this embodiment has used the transmission direction who adopts a plurality of gyro wheels with first drive belt and second drive belt to when first lifter plate goes up and down, through first drive belt and second drive belt pulling second drive belt and the synchronous lift of first drive belt, thereby can effectively promote the stability of going up and down.
Please continue to refer to fig. 3 and 4. The drive mechanism 33 includes a motor 331, a lead screw 332, slide rails 333 and 334, sliders 335 and 336, a drive pulley 337, a driven pulley 338, and a belt 339. The lifting device 30 further comprises a fixed seat 35.
The motor 331 is used to provide a force for driving the first lifting plate to lift. The screw 332 is rotatably supported on the screw support 3321 and is in transmission connection with the motor 331, and a screw nut (not shown) is sleeved on the screw 332 and is fixedly connected with the first lifting plate 31. The first sliding rail 333 and the second sliding rail 334 are vertically disposed at the outer sides of the first lifting plate 31 and the second lifting plate 32, respectively, and the first sliding block 335 and the second sliding block 336 are slidably mounted on the first sliding rail 333 and the second sliding rail 334, and are fixedly connected to the first lifting plate 31 and the second lifting plate 32, respectively, so that the moving direction of the first lifting plate 32 and the second lifting plate 32 is parallel to the extending direction of the first sliding rail 333 and the second sliding rail 334. The driving mechanism 33 is disposed on the fixing base 35, the first slide rail 333 is vertically disposed on the fixing base 35 through the first slide rail seat 3331, and the second slide rail 334 is vertically disposed on the ground through the second slide rail seat 3341. The driving wheel 337 is fixedly connected with the driving end of the motor 331, and the driven wheel 338 is fixedly connected with one end of the screw rod 332 and is in transmission connection with the driving wheel 337 through a belt 339.
When the lifting device 30 needs to be lifted, the motor 331 starts to work to drive the driving wheel 337 to rotate, the driving wheel 377 drives the driven wheel 338 to rotate through the belt 339, the driven wheel 338 drives the lead screw 332 to rotate, so that the lead screw nut moves up and down to drive the first lifting plate 31 to move up and down, and when the first lifting plate 31 moves, the slider 335 makes the movement direction of the first lifting plate 31 parallel to the extension direction of the slide rail 333, i.e. makes the first lifting plate 31 vertically lift in this implementation scenario. When the first lifting plate 31 is lifted vertically, the synchronous transmission mechanism 34 drives the second lifting plate 32 and the first lifting plate 31 to move synchronously and in the same direction, i.e. to lift synchronously. In this implementation scenario, the sliding block 336 makes the moving direction of the second lifting plate 32 parallel to the extending direction of the sliding rail 334, i.e. makes the second lifting plate 32 vertically lift in this implementation scenario.
In other implementation scenarios, the motor 331 may be connected to the lead screw 332 through a coupler, which may achieve similar effects to the present embodiment.
As can be seen from the above description, in this embodiment, the vertical sliding rail and the sliding block which is slidably mounted on the sliding rail and is fixedly connected to the first lifting plate and the second lifting plate respectively are provided, so that the first lifting plate and the second lifting plate vertically lift and move, and the lifting stability is further improved.
Be different from prior art and adopt cantilever or two drive arrangement to drive first lifter plate and second lifter plate respectively, lead to the unstable problem of lift easily, the utility model discloses a synchronous drive mechanism connects first lifter plate and second lifter plate to realize driving the synchronous and syntropy motion of second lifter plate and first lifter plate through synchronous drive mechanism when first lifter plate goes up and down, thereby can effectively promote the stability of going up and down.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A lifting device, comprising:
the lifting device comprises a first lifting plate and a second lifting plate, wherein the first lifting plate and the second lifting plate are oppositely arranged and are used for receiving a component to be lifted;
the output end of the driving mechanism is connected with the first lifting plate and is used for driving the first lifting plate to move in the vertical direction;
and the synchronous transmission mechanism is connected with the first lifting plate and the second lifting plate and is used for driving the second lifting plate to move synchronously and in the same direction as the first lifting plate.
2. The lift device of claim 1, wherein the synchronous drive mechanism comprises:
a first transmission assembly, the first transmission assembly comprising:
the first roller is arranged below the first lifting plate;
the second roller is arranged below the second lifting plate and is positioned on the same horizontal plane with the first roller;
the third roller is positioned above the second roller and is positioned on the same vertical plane with the second roller;
first drive belt, first end with first lifter plate is connected, and the second end is in proper order around passing through first gyro wheel deviates from one side of third gyro wheel, the second gyro wheel deviates from one side of first lifter plate the third gyro wheel deviates from one side of first gyro wheel, last flagging with the second lifter plate is connected.
3. The lift device of claim 2, wherein the first transmission assembly comprises:
a first fixed block for connecting the first end of the first drive belt with the first lifter plate;
a second fixed block for connecting the second end of the first drive belt with the second lifter plate;
the first roller wheel seat is arranged on the first roller wheel seat in a rolling manner;
the second roller wheel seat is arranged on the second roller wheel seat in a rolling manner;
and the third roller wheel seat is arranged on the third roller wheel seat in a rolling manner.
4. The lift device of claim 2, wherein the synchronous drive mechanism comprises:
a second drive assembly disposed opposite the first drive assembly, the second drive assembly comprising:
the fourth roller is arranged below the first lifting plate;
the fifth roller is positioned above the fourth roller and is positioned on the same vertical plane with the fourth roller;
the sixth roller is arranged below the second lifting plate and is positioned on the same horizontal plane with the fourth roller;
and a first end of the second driving belt is connected with the first lifting plate, and a second end of the second driving belt sequentially passes through one side of the fifth roller deviating from the fourth roller, one side of the fourth roller deviating from the first lifting plate and one side of the sixth roller deviating from the fourth roller are connected with the second lifting plate.
5. The lift device of claim 4, wherein the second drive assembly comprises:
a third fixed block for connecting the first end of the second belt with the first lifting plate;
the fourth fixing block is used for connecting the second end of the second transmission belt with the second lifting plate;
the fourth roller wheel seat is arranged on the fourth roller wheel seat in a rolling manner;
the fifth roller seat is arranged on the fifth roller seat in a rolling manner;
and the sixth roller is arranged on the sixth roller seat in a rolling manner.
6. The lift device of claim 4, wherein the first drive belt and the second drive belt are synchronous belts.
7. The lift device of claim 1, wherein the drive mechanism comprises:
the motor is used for providing force for driving the first lifting plate to lift;
the screw rod is rotatably supported on the screw rod support and is in transmission connection with the motor, a screw rod nut is sleeved on the screw rod, and the screw rod nut is fixedly connected with the first lifting plate;
the first sliding rail and the second sliding rail are respectively and vertically arranged at the outer sides of the first lifting plate and the second lifting plate;
the first sliding block and the second sliding block are respectively assembled on the first sliding rail and the second sliding rail in a sliding mode and are respectively fixedly connected with the first lifting plate and the second lifting plate, so that the moving direction of the first lifting plate and the moving direction of the second lifting plate are parallel to the extending direction of the first sliding rail and the extending direction of the second sliding rail.
8. The lifting device as recited in claim 7, wherein the lifting device comprises:
and the motor is connected with the screw rod through the coupler.
9. The lifting device as recited in claim 7, wherein the lifting device comprises:
the driving wheel is fixedly connected with the driving end of the motor;
and the driven wheel is fixedly connected with one end of the screw rod and is in transmission connection with the driving wheel through a belt.
10. The lifting device according to claim 7,
the lifting device further comprises:
the driving mechanism is arranged on the fixed seat, the first slide rail is vertically arranged on the fixed seat through a first slide rail seat, and the second slide rail is arranged perpendicular to the ground through a second slide rail seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992014.4U CN210366815U (en) | 2019-06-27 | 2019-06-27 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992014.4U CN210366815U (en) | 2019-06-27 | 2019-06-27 | Lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210366815U true CN210366815U (en) | 2020-04-21 |
Family
ID=70267927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920992014.4U Active CN210366815U (en) | 2019-06-27 | 2019-06-27 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210366815U (en) |
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2019
- 2019-06-27 CN CN201920992014.4U patent/CN210366815U/en active Active
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