CN224242538U - Hoisting clamping device - Google Patents
Hoisting clamping deviceInfo
- Publication number
- CN224242538U CN224242538U CN202521296145.0U CN202521296145U CN224242538U CN 224242538 U CN224242538 U CN 224242538U CN 202521296145 U CN202521296145 U CN 202521296145U CN 224242538 U CN224242538 U CN 224242538U
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- Prior art keywords
- clamping
- clamping piece
- piece
- everting
- hoisting
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Abstract
The utility model relates to the technical field of lifting slings, and particularly discloses a lifting clamping device which comprises a first clamping piece, a second clamping piece, a connecting piece and a limiting structure, wherein the first clamping piece and the second clamping piece are buckled and form a clamping space, a shaft part is positioned in the clamping space and is attached to the first clamping piece and/or the second clamping piece, one end of the connecting piece is connected with the first clamping piece and/or the second clamping piece, the other end of the connecting piece is connected with the lifting sling, and the limiting structure is used for connecting the first clamping piece and the second clamping piece and limiting one of the first clamping piece and the second clamping piece to move towards a direction far away from the other one. The clamping space is formed by buckling the first clamping piece and the second clamping piece to clamp the shaft part, and the first clamping piece and the second clamping piece are limited to be away from each other through the limiting structure, so that the shaft part is limited in the clamping space, and the shaft part is prevented from falling off.
Description
Technical Field
The utility model relates to the technical field of lifting slings, in particular to a lifting clamping device.
Background
When lifting a paper roll, an expansion shaft is usually used for expanding in a winding core of the paper roll, two ends of the expansion shaft are lifted by using a door-type lifting appliance, the existing door-type lifting appliance is connected with the two ends of the expansion shaft through a lifting hook, in the lifting process, the situation that the gravity center of the paper roll is not in the same vertical plane with the gravity center of the door-type lifting appliance possibly exists, the whole body is inclined, and the expansion shaft is in risk of falling out of the lifting hook.
Disclosure of utility model
The utility model aims to provide a hoisting clamping device so as to reduce the risk of the expansion shaft falling out in the hoisting process.
The utility model provides a hoisting clamping device which is used for clamping shaft parts and comprises a first clamping piece, a second clamping piece, a connecting piece and a limiting structure, wherein the first clamping piece and the second clamping piece are buckled and form a clamping space, the shaft parts are positioned in the clamping space and are attached to the first clamping piece and/or the second clamping piece, one end of the connecting piece is connected with the first clamping piece and/or the second clamping piece, the other end of the connecting piece is connected with a lifting appliance, and the limiting structure is used for connecting the first clamping piece and the second clamping piece and limiting one of the first clamping piece and the second clamping piece to move in a direction away from the other.
As the preferential technical scheme of hoist and mount clamping device, limit structure is two nuts, first clamping piece is U type structure, including half ring structure's collet and be located first extension rod and the second extension rod at collet both ends, first extension rod with the second extension rod is provided with first screw thread section and second screw thread section respectively, the both ends of second clamping piece are provided with first eversion portion and second eversion portion respectively, first eversion portion with the second eversion portion overlaps respectively to be established on first screw thread section with the second screw thread section, two nuts respectively with first screw thread section with second screw thread section threaded connection, and be located respectively first eversion portion with the second eversion portion is kept away from one side of collet.
As the preferable technical scheme of the hoisting clamping device, the lower end of the connecting piece is integrally connected with the first extension rod or the second extension rod.
As the preferable technical scheme of the hoisting clamping device, the upper end of the connecting piece is positioned right above the center position of the clamping space.
As the preferable technical scheme of the hoisting clamping device, the lower end of the connecting piece is connected with the second clamping piece in an integrated manner, and the connecting point of the connecting piece and the second clamping piece is positioned right above the central position of the clamping space.
As the preferable technical scheme of the hoisting clamping device, the diameters of the first extension rod and the second extension rod are larger than the diameter of the bottom bracket.
As the preferable technical scheme of the hoisting clamping device, the nut is a butterfly nut.
As the preferential technical scheme of hoist and mount clamping device, limit structure is the connecting pin, first holder with the second holder is semi-annular structure, first holder with the lower extreme of second holder articulates and connects, the upper end of first holder is provided with first everting portion, the upper end of second holder is provided with second everting portion, first everting portion with second everting portion interval sets up, just first everting portion with clearance value between the second everting portion is less than the diameter of axle type part, the connecting pin passes first everting portion with second everting portion, the lower extreme of connecting piece with connecting pin fixed connection, just the connecting piece with the tie point of connecting pin is located the central point in centre position in centre gripping space is directly over.
As the preferential technical scheme of hoist and mount clamping device, first clamping piece with the second clamping piece is semi-annular structure, first clamping piece with the lower extreme of second clamping piece articulates and connects, the upper end of first clamping piece is provided with first everting portion, the upper end of second clamping piece is provided with the second everting portion, first everting portion with the interval of second everting portion sets up, just first everting portion with clearance value between the second everting portion is less than the diameter of axle type part, first everting portion is provided with first connecting hole, second everting portion is provided with the second connecting hole, the lower extreme of connecting piece is provided with first connecting portion and second connecting portion respectively, first connecting portion pass first connecting hole with first everting portion is connected, second connecting portion pass the second connecting hole with second everting portion is connected, limit structure is first connecting portion with second connecting portion.
As the preferable technical scheme of the hoisting clamping device, the upper end of the connecting piece is provided with a hanging ring.
The beneficial effects of the utility model are as follows:
The utility model provides a hoisting clamping device, which clamps shaft parts through a clamping space formed by buckling a first clamping piece and a second clamping piece, and limits the first clamping piece and the second clamping piece to be away from each other through a limiting structure, so that the shaft parts are limited in the clamping space and are prevented from falling out.
Drawings
FIG. 1 is a schematic diagram of a lifting and clamping device according to a first embodiment of the present utility model;
FIG. 2 is a second schematic diagram of a lifting and clamping device according to the first embodiment of the present utility model;
FIG. 3 is a third schematic diagram of a lifting and clamping device according to the first embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a lifting and clamping device in a second embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a hoisting and clamping device in a third embodiment of the utility model.
In the figure:
1. A first clamping member; 11, a first extension rod, 111, a first thread section, 12, a second extension rod, 121, a second thread section, 13, a first turnover part, 131, a first connecting hole;
2. A second clamping member; 21, a first eversion part, 22, a second eversion part, 23, a second turnover part, 231 and a second connecting hole;
3. The connecting piece, 31, hanging ring, 321, first connecting part, 322, second connecting part;
4. the device comprises a butterfly nut, a hinge shaft, a connecting pin, a pin shaft and a connecting pin.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Example 1
As shown in fig. 1, the present utility model provides a lifting and clamping device for clamping shaft parts, in particular, the lifting and clamping device is connected with a beam of a lifting appliance, and is used for clamping an expansion shaft of a paper roll, and can prevent the expansion shaft from falling off. The hoisting clamping device comprises a first clamping piece 1, a second clamping piece 2, a connecting piece 3 and a limiting structure. The first clamping piece 1 and the second clamping piece 2 are buckled and are provided with clamping spaces, and the shaft parts are positioned in the clamping spaces and are attached to the first clamping piece 1 and/or the second clamping piece 2. One end of the connecting piece 3 is connected with the first clamping piece 1 and/or the second clamping piece 2, the other end of the connecting piece 3 is used for being connected with a lifting appliance, and particularly the other end of the connecting piece 3 is fixedly connected with or movably connected with a lifting appliance cross beam. Through setting up connecting piece 3 with first holder 1 and second holder 2 and hoist connection, the arrangement form of first holder 1 and second holder 2 is diversified more, no longer is limited by its own structure and the restriction with the relative positional relationship of hoist crossbeam to can realize the centre gripping to the inflation axle better, prevent that the inflation axle from deviating from. The limiting structure is used for connecting the first clamping piece 1 and the second clamping piece 2 and limiting the movement of one clamping piece 1 and the second clamping piece 2 in a direction away from the other clamping piece. Through setting up limit structure and ensuring that first holder 1 and second holder 2 are with axle class part restriction in the centre gripping space jointly, avoid deviating from. The limiting structure is a rigid structure, for example, the limiting structure can be an independent part or a part of the limiting structure on the connecting piece 3, so that the relative position relationship of the first clamping piece 1 and the second clamping piece 2 after clamping shaft parts together is kept unchanged.
Further, as shown in fig. 1, the limiting structure is two nuts, and the first clamping member 1 is a U-shaped structure and comprises a base with a semi-annular structure, and a first extension rod 11 and a second extension rod 12 positioned at two ends of the base. The first extension rod 11 and the second extension rod 12 are provided with a first thread segment 111 and a second thread segment 121, respectively. The two ends of the second clamping piece 2 are respectively provided with a first everting part 21 and a second everting part 22, and the first everting part 21 and the second everting part 22 are respectively provided with holes for the first extension rod 11 and the second extension rod 12 to pass through, so that the first everting part 21 and the second everting part 22 are respectively sleeved on the first thread section 111 and the second thread section 121 to form a clamping space in a surrounding manner. Two nuts are screwed with the first thread segment 111 and the second thread segment 121, respectively, and are located on the side of the first everting portion 21 and the second everting portion 22 remote from the shoe, respectively. When the shaft part is clamped, nuts on the first thread section 111 and the second thread section 121 are screwed, so that the first clamping piece 1 and/or the second clamping piece 2 are attached to and clamped by the shaft part, and the shaft part is prevented from falling out of the clamping space.
Specifically, for easy manufacturing and ensuring that the first clamping member 1 has sufficient structural strength, the shoe, the first extension rod 11 and the second extension rod 12 are integrally provided, for example, may be integrally formed or welded. Simultaneously, the diameters of the first extension rod 11 and the second extension rod 12 are larger than the diameters of the bottom brackets, so that the structural strength of the first thread section 111 and the second thread section 121 after clamping shaft parts is guaranteed to meet the requirements, and meanwhile, the first clamping piece 1 is light.
Alternatively, the nut in this embodiment may be a hexagonal nut, a locknut, or a butterfly nut 4. In this embodiment, the nut is preferably a wing nut 4, so that an operator can achieve screwing without tools, and both the first clamping member 1 and the second clamping member 2 can be attached to the shaft part and clamped.
Optionally, the connecting piece 3 in this embodiment is connected to the first extension rod 11 or the second extension rod 12 of the first clamping piece 1 in an integrally formed connection or a welded connection, so as to ensure a reliable connection between the connecting piece 3 and the first clamping piece 1.
Further, as shown in fig. 2, the upper end of the connecting piece 3 is located directly above the center position of the clamping space, that is, the connection point between the upper end of the connecting piece 3 and the lifting tool and the connection point between the connecting piece and the center position of the clamping space are located on the same vertical line, so that after the shaft type part is clamped, the connection point between the connecting piece 3 and the lifting tool and the gravity center of the lifting clamping device are located on the same vertical line, swing or inclination can be effectively avoided, and meanwhile, even stress of the bottom support of the first clamping piece 1 can be ensured, and deformation caused by unbalanced load is avoided.
As shown in fig. 3, the connecting piece 3 of this embodiment may further be connected to the second clamping piece 2, where the lower end of the connecting piece 3 is integrally connected or welded with the second clamping piece 2, and the connection point of the connecting piece 3 and the second clamping piece 2 is located directly above the center position of the clamping space, and the connecting piece 3 extends upward along the vertical direction, so that the connection point of the connecting piece 3 and the lifting appliance and the center of gravity of the lifting clamping device are located on the same vertical line, so as to effectively avoid swinging or tilting, and simultaneously ensure that the bottom bracket of the first clamping piece 1 is uniformly stressed, and avoid deformation caused by unbalanced load.
Taking the expansion shaft as an example, when the hoisting clamping device in the embodiment is used for hoisting operation, firstly, two ends of the expansion shaft are respectively arranged in the first clamping piece 1, the first everting part 21 and the second everting part 22 of the second clamping piece 2 are respectively sleeved on the first thread section 111 and the second thread section 121, the two butterfly nuts 4 are respectively screwed into the first thread section 111 and the second thread section 121 and screwed, the expansion shaft is limited in the clamping space, and then the hoisting operation is carried out. In this process, the expansion shaft cannot be separated from the clamping space under the restriction of the first clamping member 1 and the second clamping member 2, thereby avoiding the occurrence of a lifting accident.
Example two
In this embodiment, the structures of the first clamping member 1 and the second clamping member 2 are different from those in the first embodiment, and the corresponding limit structures are also different from those in the first embodiment. As will be described in detail below in connection with fig. 4.
As shown in fig. 4, the limiting structure is a connecting pin 6, the first clamping piece 1 and the second clamping piece 2 are both semi-annular structures, and the lower ends of the first clamping piece 1 and the second clamping piece 2 are hinged through a hinge shaft 5. The upper end of the first clamping piece 1 is provided with a first everting part 21, the upper end of the second clamping piece 2 is provided with a second everting part 22, the first everting part 21 and the second everting part 22 are arranged at intervals, and the gap value between the first everting part 21 and the second everting part 22 is smaller than the diameter of the shaft part, so that the shaft part is prevented from falling out from the gap between the first everting part 21 and the second everting part 22. The first everting portion 21 and the second everting portion 22 are provided with pin holes (not shown in the figure), the connecting pin 6 sequentially passes through the first everting portion 21 and the second everting portion 22 through the pin holes, and the end portion of the connecting pin 6 is further provided with a pin shaft 61 or a cotter pin to prevent the connecting pin 6 from falling off. The lower extreme and the connecting pin 6 fixed connection of connecting piece 3, and the tie point of connecting piece 3 and connecting pin 6 is located the centre gripping space directly over. The connecting point of the connecting piece 3 and the lifting appliance and the gravity center of the lifting clamping device are located on the same vertical line, swing or inclination can be effectively avoided, and meanwhile, even stress of the bottom support of the first clamping piece 1 can be guaranteed, and deformation caused by unbalanced load is avoided. The lower end of the connecting piece 3 is sleeved on the connecting pin 6 and is tightly matched with the connecting pin 6, so that the connecting piece 3 and the connecting pin 6 cannot move relatively.
Optionally, the upper end of the connecting piece 3 is provided with a hanging ring 31, and the hanging ring 31 is connected with a lifting appliance, or the hanging ring 31 is directly connected with a lifting hook of the crane equipment, so that the use scene of the lifting and clamping device is expanded.
Taking an expansion shaft as an example, when the hoisting clamping device in this embodiment is used for hoisting operation, the first clamping piece 1 and the second clamping piece 2 are first rotated around the hinge shaft 5 in a direction away from each other, after the expansion shaft is put in, the first clamping piece 1 and the second clamping piece 2 are rotated around the hinge shaft 5 in a direction close to each other until pin holes on the first turnover part 13 and the second turnover part 23 are aligned, the connecting pin 6 sequentially passes through the first turnover part 13, the connecting piece 3 and the second turnover part 23, and the pin shaft 61 is inserted into the end part of the connecting pin 6. Under the limitation of the pin 61, the first clamping member 1 and the second clamping member 2 cannot rotate around the hinge shaft 5 during the lifting process, so that the expansion shaft is limited in the clamping space, and then the lifting operation is performed. In this process, the expansion shaft cannot be separated from the clamping space under the restriction of the first clamping member 1 and the second clamping member 2, thereby avoiding the occurrence of a lifting accident.
Example III
In this embodiment, the structures of the first clamping member 1 and the second clamping member 2 are different from those in the first embodiment, and the corresponding limit structures are also different from those in the first embodiment. This will be described in detail below in connection with fig. 5.
As shown in fig. 5, the first clamping member 1 and the second clamping member 2 are both semi-annular structures, and the lower ends of the first clamping member 1 and the second clamping member 2 are hinged by a hinge shaft 5. The upper end of the first clamping piece 1 is provided with a first everting part 21, the upper end of the second clamping piece 2 is provided with a second everting part 22, the first everting part 21 and the second everting part 22 are arranged at intervals, and the gap value between the first everting part 21 and the second everting part 22 is smaller than the diameter of the shaft part, so that the shaft part is prevented from falling out from the gap between the first everting part 21 and the second everting part 22. The first everting portion 21 is provided with a first connecting hole 131 and the second everting portion 22 is provided with a second connecting hole 231. The lower extreme of connecting piece 3 is provided with first connecting portion 321 and second connecting portion 322 respectively, and first connecting portion 321 passes first connecting hole 131 and is connected with first valgus portion 21, and second connecting portion 322 passes second connecting hole 231 and is connected with second valgus portion 22, and first connecting portion 321 and second connecting portion 322 integration set up. Correspondingly, the limiting structure is a first connecting portion 321 and a second connecting portion 322. The first connecting portion 321 and the second connecting portion 322 are both in a hook structure, connection with the first clamping piece 1 and the second clamping piece 2 is achieved through the first connecting hole 131 and the second connecting hole 231, and the first connecting portion 321 and the second connecting portion 322 are integrally arranged, so that the distance between the first everting portion 21 and the second everting portion 22 is limited, and shaft parts are limited in the clamping space.
Taking the expansion shaft as an example, when the hoisting clamping device in this embodiment is used for hoisting operations, the first clamping member 1 and the second clamping member 2 are first rotated about the hinge shaft 5 in a direction away from each other, the first clamping member 1 and the second clamping member 2 are rotated about the hinge shaft 5 in a direction close to each other after being put into the expansion shaft until the first connecting portion 321 and the second connecting portion 322 can be aligned with the first connecting hole 131 and the second connecting hole 231, respectively, the first connecting portion 321 and the second connecting portion 322 are passed through the first connecting hole 131 and the second connecting hole 231, respectively, and the distance between the first everting portion 21 and the second everting portion 22 is defined under the restriction of the first connecting portion 321 and the second connecting portion 322, thereby restricting the expansion shaft in the clamping space, and then the hoisting operations are performed. In this process, the expansion shaft cannot be separated from the clamping space under the restriction of the first clamping member 1 and the second clamping member 2, thereby avoiding the occurrence of a lifting accident.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. Hoist and mount clamping device for centre gripping axle class part, its characterized in that includes:
The clamping device comprises a first clamping piece (1) and a second clamping piece (2), wherein the first clamping piece (1) and the second clamping piece (2) are buckled and form a clamping space, and the shaft part is positioned in the clamping space and is attached to the first clamping piece (1) and/or the second clamping piece (2);
One end of the connecting piece (3) is connected with the first clamping piece (1) and/or the second clamping piece (2), and the other end of the connecting piece (3) is used for being connected with a lifting appliance;
and the limiting structure is used for connecting the first clamping piece (1) and the second clamping piece (2) and limiting one of the first clamping piece (1) and the second clamping piece (2) to move in a direction away from the other.
2. Hoisting clamping device according to claim 1, characterized in that the limiting structure is two nuts, the first clamping piece (1) is of a U-shaped structure and comprises a base with a semi-annular structure and a first extension rod (11) and a second extension rod (12) which are positioned at two ends of the base, the first extension rod (11) and the second extension rod (12) are respectively provided with a first thread section (111) and a second thread section (121), two ends of the second clamping piece (2) are respectively provided with a first eversion part (21) and a second eversion part (22), the first eversion part (21) and the second eversion part (22) are respectively sleeved on the first thread section (111) and the second thread section (121), and the two nuts are respectively in threaded connection with the first thread section (111) and the second thread section (121) and are respectively positioned at one side of the first eversion part (21) and the second eversion part (22) far away from the base.
3. Hoisting clamping device according to claim 2, characterized in that the lower end of the connecting piece (3) is integrally connected with the first extension rod (11) or the second extension rod (12).
4. A hoisting clamping device as claimed in claim 3, characterized in that the upper end of the connecting piece (3) is located directly above the centre position of the clamping space.
5. Hoisting clamping device according to claim 2, characterized in that the lower end of the connecting piece (3) is integrally connected with the second clamping piece (2), and the connecting point of the connecting piece (3) and the second clamping piece (2) is located right above the central position of the clamping space.
6. Hoisting clamping device according to any one of claims 2-5, characterized in that the diameter of the first extension rod (11) and the second extension rod (12) is larger than the diameter of the shoe.
7. Hoisting clamping device according to any one of claims 2-5, characterized in that the nut is a wing nut (4).
8. Hoisting clamping device according to claim 1, characterized in that the limit structure is a connecting pin (6), the first clamping piece (1) and the second clamping piece (2) are of semi-annular structures, the lower ends of the first clamping piece (1) and the second clamping piece (2) are hinged, the upper end of the first clamping piece (1) is provided with a first everting part (21), the upper end of the second clamping piece (2) is provided with a second everting part (22), the first everting part (21) and the second everting part (22) are arranged at intervals, a gap value between the first everting part (21) and the second everting part (22) is smaller than the diameter of the shaft part, the connecting pin (6) penetrates through the first everting part (21) and the second everting part (22), the lower end of the connecting piece (3) is fixedly connected with the connecting pin (6), and the connecting point of the connecting piece (3) and the connecting piece (6) is located right above the center position of the connecting point of the connecting piece (6).
9. The hoisting clamping device according to claim 1, wherein the first clamping piece (1) and the second clamping piece (2) are of semi-annular structures, the lower ends of the first clamping piece (1) and the second clamping piece (2) are hinged, the upper end of the first clamping piece (1) is provided with a first everting part (21), the upper end of the second clamping piece (2) is provided with a second everting part (22), the first everting part (21) and the second everting part (22) are arranged at intervals, the gap value between the first everting part (21) and the second everting part (22) is smaller than the diameter of the shaft part, the first everting part (21) is provided with a first connecting hole (131), the second everting part (22) is provided with a second connecting hole (231), the lower end of the connecting piece (3) is respectively provided with a first connecting part (321) and a second connecting part (322), and the first everting part (321) and the second connecting part (322) penetrate through the first connecting hole (21) and the second connecting hole (322).
10. Hoisting clamping device according to claim 8 or 9, characterized in that the upper end of the connecting piece (3) is provided with a hanging ring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521296145.0U CN224242538U (en) | 2025-06-24 | 2025-06-24 | Hoisting clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521296145.0U CN224242538U (en) | 2025-06-24 | 2025-06-24 | Hoisting clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224242538U true CN224242538U (en) | 2026-05-15 |
Family
ID=99751454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202521296145.0U Active CN224242538U (en) | 2025-06-24 | 2025-06-24 | Hoisting clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224242538U (en) |
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2025
- 2025-06-24 CN CN202521296145.0U patent/CN224242538U/en active Active
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