Rotary double-hook self-dropping lifting device with anti-skid teeth

CN224646494UActive Publication Date: 2026-08-18HEBEI JUNWEI LINGYING HOISTING MACHINERY CO LTD
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Patent Information

Application Number
CN202521980312.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2026-08-18
Estimated Expiration
2035-09-15

AI Technical Summary

Technical Problem

[0003]传统的吊具主要包括吊钩、吊带、链条和钢丝绳等,传统的吊具在进行吊装时无法提供一定的防滑性和转动效果,并且缺少防护结构,同时在起吊完成后需要人工手动对其进行解除吊装,使用不便,效率较低,因此,本领域的技术人员提供了一种带防滑齿的旋转双钩自脱吊具,以解决上述背景技术中提出的问题

Benefits of technology

[0019] 1. In this utility model, by setting up a protective structure, during the lifting process, the heavier end of the self-weight hook will be placed at the upper end. Then, by moving the fixed sleeve rod to one side on the protective bolt, and then by rotating the fixed sleeve rod, the protective connecting buckle is hung on the side wall of the fixed connecting rod, so as to limit the self-weight hook and ensure the safety and stability during the lifting process.

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Abstract

The utility model relates to a hoist field, disclose a kind of rotating double-hook self-dropping hoist with antiskid tooth, including two main parts, four connecting holes are respectively provided in the sidewall center of two main parts, rotating structure is provided in the upper end of the middle of two main parts, protective structure is provided in the middle of two main parts in the lower end of rotating structure, self-dropping buckle structure is provided in the middle of two main parts in the lower end of protective structure.In the utility model, by setting self-dropping buckle structure, by the hook one end of self-weight hook is hung in heavy object, with the weight effect of heavy object, the heavy one end of self-weight hook can be placed in upper end, as a whole, first connecting bolt is the center of circle and does circular path movement, with the weight heavier, two self-weight hook connections are more closely, again cooperate with antiskid groove can guarantee that no back and forth sliding phenomenon occurs in hoisting process, guarantee the stability in hoisting process.
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Description

Technical Field

[0001] This utility model relates to the field of lifting and hoisting tools, and in particular to a rotating double-hook self-detaching lifting tool with anti-slip teeth. Background Technology

[0002] Lifting gear refers to a series of specialized tools and devices used for lifting, moving and raising heavy objects. It is widely used in many industries such as construction, ports, shipbuilding, metallurgy, machining, and logistics. With the rapid development of modern industry, the complexity of lifting operations and the weight of heavy objects are constantly increasing, which puts forward higher requirements for the performance, safety and adaptability of lifting gear.

[0003] Traditional lifting tools mainly include hooks, slings, chains, and wire ropes. Traditional lifting tools cannot provide adequate anti-slip and rotation effects during lifting, and lack protective structures. Furthermore, they require manual release after lifting, which is inconvenient and inefficient. Therefore, those skilled in the art have provided a rotating double-hook self-detaching lifting tool with anti-slip teeth to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a rotating double hook self-detaching lifting device with anti-slip teeth. By hanging the heavy object on one end of the hook of the self-weight hook, the heavier end of the self-weight hook will be placed on the upper end as the weight of the object is applied. The whole device moves in an arc path with the first connecting bolt as the center. The heavier the weight, the tighter the connection between the two self-weight hooks becomes. With the anti-slip groove, it can ensure that there is no back-and-forth sliding during the lifting process, thus ensuring the stability of the lifting process.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a rotating double hook self-detaching lifting device with anti-slip teeth, comprising two main bodies, four connecting holes respectively provided at the center of the side walls of the two main bodies, a rotating structure provided at the upper middle part of the two main bodies, a protective structure provided between the two main bodies at the lower end of the rotating structure, and a self-detaching structure provided between the two main bodies at the lower end of the protective structure.

[0006] The self-release structure includes two self-weight hooks. A first connecting bolt is provided inside the connecting hole at the lower end of the center of the front side wall of the main body. The rear end of the first connecting bolt passes through the side wall of the front main body, the side walls of the two self-weight hooks and the side wall of the rear main body and leads to the rear side. The end is threaded with a first connecting nut. Multiple anti-slip grooves are provided on the inner side wall of the lower end of the two self-weight hooks.

[0007] With the above technical solution, when in use, the heavy object is hung on one end of the hook of the self-weight hook. As the weight of the object acts, the heavier end of the self-weight hook will be placed on the top. The whole thing moves in an arc path with the first connecting bolt as the center. The heavier the weight, the tighter the connection between the two self-weight hooks becomes. In addition, the anti-slip groove can ensure that there will be no back-and-forth sliding during the lifting process, thus ensuring the stability of the lifting process.

[0008] Furthermore, the protective structure includes a protective bolt, the rear end of which passes through the connecting holes on the two main body side walls and extends to the rear end, and the end is threaded with a protective nut. Two fixing sleeves are sleeved on the side wall of the protective bolt located between the two main bodies. Protective connecting buckles are fixedly connected to the other side wall of the two fixing sleeves respectively. Placement grooves are respectively provided at the center of one side wall of the two main bodies near the two fixing sleeves. Connecting magnets are respectively provided inside the two placement grooves. Fixed connecting rods are fixedly connected to the center of the two opposite side walls of the two self-weight hooks near one side edge respectively.

[0009] With the above technical solution, during the lifting process, the heavier end of the self-weight hook will be placed at the top. Then, by moving the fixed sleeve rod to one side on the protective bolt, and then by rotating the fixed sleeve rod, the protective connection buckle will be hung on the side wall of the fixed connection rod, thus limiting the self-weight hook and ensuring safety and stability during the lifting process.

[0010] Furthermore, the rotating structure includes a second connecting bolt, the rear end of which passes through the connecting holes on the two main body side walls and extends to the rear end, and the end is threaded with a second connecting nut. A lower lifting ring is sleeved on the side wall of the second connecting bolt located between the two main bodies, and an upper lifting ring is provided at the upper end of the lower lifting ring. The upper lifting ring and the lower lifting ring are connected by a third connecting bolt and a third connecting nut.

[0011] With the above technical solution, when in use, the upper lifting ring is hung on the lifting end by using a lifting device. With the cooperation of the third connecting nut and the third connecting bolt, the upper and lower lifting rings can rotate freely. With the cooperation of the second connecting bolt and the second connecting nut, multi-angle adjustment can be achieved.

[0012] Furthermore, both of the aforementioned self-weight hooks are heavier at one end and lighter at the other;

[0013] The above technical solution, which uses a heavy end and a light end, together with the first connecting bolt and the first connecting nut, allows the heavier end to be placed on top when lifting an item. The heavier the item, the more secure the lift. Conversely, when releasing, the heavier end will be placed on the bottom and the hook end will be placed on top, achieving a self-release effect.

[0014] Furthermore, the upper and lower lifting rings are identical in shape and specifications;

[0015] The above technical solution facilitates lifting and ensures stability and balance during the lifting process.

[0016] Furthermore, the two self-weight hooks are arranged in a symmetrical, staggered manner between the two main bodies;

[0017] The above technical solution allows for corresponding hooking from both ends. When the two self-weight hooks close in opposite directions, they form a closed loop, ensuring the safety of the lifted items.

[0018] This utility model has the following beneficial effects:

[0019] 1. In this utility model, by setting up a protective structure, during the lifting process, the heavier end of the self-weight hook will be placed at the upper end. Then, by moving the fixed sleeve rod to one side on the protective bolt, and then by rotating the fixed sleeve rod, the protective connecting buckle is hung on the side wall of the fixed connecting rod, so as to limit the self-weight hook and ensure the safety and stability during the lifting process.

[0020] 2. In this utility model, by setting a self-release structure, when the heavy object is hung on one end of the hook of the self-weight hook, the heavier end of the self-weight hook will be placed on the upper end as the weight of the object is applied. The whole thing moves in an arc path with the first connecting bolt as the center. The heavier the weight, the tighter the connection between the two self-weight hooks becomes. Combined with the anti-slip groove, it can ensure that there will be no back-and-forth sliding during the lifting process, thus ensuring the stability of the lifting process.

[0021] 3. In this utility model, by setting a rotating structure, the upper lifting ring is hung on the lifting end by using a lifting device. With the cooperation of the third connecting nut and the third connecting bolt, the upper and lower lifting rings can rotate freely. With the cooperation of the second connecting bolt and the second connecting nut, multi-angle adjustment can be achieved. Attached Figure Description

[0022] Figure 1 This is an isometric view of a rotating double-hook self-detaching lifting device with anti-slip teeth proposed in this utility model;

[0023] Figure 2 Another perspective is the isometric view of a rotating double-hook self-detaching lifting device with anti-slip teeth proposed in this utility model;

[0024] Figure 3 This is a front view of a rotating double-hook self-detaching lifting device with anti-slip teeth proposed in this utility model;

[0025] Figure 4 This is an isometric view of the self-weight hook after removal from the rotating double hook self-detaching lifting device with anti-slip teeth proposed in this utility model.

[0026] Legend:

[0027] 1. Main body; 2. Protective structure; 201. Protective connecting buckle; 202. Fixed connecting rod; 203. Fixed sleeve rod; 204. Protective bolt; 205. Placement groove; 206. Connecting magnet; 207. Protective nut; 3. Self-release structure; 301. Self-weight hook; 302. Anti-slip groove; 303. First connecting nut; 304. First connecting bolt; 4. Rotating structure; 401. Upper lifting ring; 402. Lower lifting ring; 403. Second connecting nut; 404. Second connecting bolt; 405. Third connecting bolt; 406. Third connecting nut; 5. Connecting hole. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Reference Figure 1-4 The present invention provides an embodiment of a rotating double hook self-detaching lifting device with anti-slip teeth, comprising two main bodies 1, four connecting holes 5 respectively provided at the center of the side walls of the two main bodies 1, a rotating structure 4 provided at the upper middle part of the two main bodies 1, a protective structure 2 provided between the two main bodies 1 at the lower end of the rotating structure 4, and a self-detaching structure 3 provided between the two main bodies 1 at the lower end of the protective structure 2.

[0030] The self-release structure 3 includes two self-weight hooks 301. A first connecting bolt 304 is installed inside the connecting hole 5 near the lower end of the center of the front side wall of the front main body 1. The rear end of the first connecting bolt 304 passes through the side wall of the front main body 1, the side walls of the two self-weight hooks 301, and the side wall of the rear main body 1 and leads to the rear side. The end is threaded with a first connecting nut 303. Multiple anti-slip grooves 302 are provided on the inner side wall of the lower end of the two self-weight hooks 301. In use, by hanging a heavy object on one end of the hook of the self-weight hook 301, the heavier end of the self-weight hook 301 will be placed on the upper end as the weight of the object is applied. The whole structure moves in an arc path with the first connecting bolt 304 as the center. The heavier the weight, the tighter the connection between the two self-weight hooks 301 becomes. With the help of the anti-slip grooves 302, it can be ensured that there will be no back-and-forth sliding during the lifting process, thus ensuring the stability of the lifting process.

[0031] The protective structure 2 includes a protective bolt 204. The rear end of the protective bolt 204 passes through the connecting hole 5 on the side wall of the two main bodies 1 and extends to the rear end. A protective nut 207 is threaded onto the end of the bolt. Two fixing sleeves 203 are fitted on the side wall of the protective bolt 204 located between the two main bodies 1. Protective connecting buckles 201 are fixedly connected to the other side wall of the two fixing sleeves 203 respectively. Placement grooves 205 are respectively provided at the center of one side wall of the two main bodies 1 near the two fixing sleeves 203. The interior of the two placement grooves 205 is respectively provided with The device is equipped with a connecting magnet 206. Two self-weight hooks 301 are fixedly connected to fixed connecting rods 202 at the center of opposite side walls near one edge. During use, the heavier end of the self-weight hook 301 will be placed on the upper end during lifting. Then, by moving the fixed sleeve rod 203 to one side on the protective bolt 204, and then by rotating the fixed sleeve rod 203, the protective connecting buckle 201 is hung on the side wall of the fixed connecting rod 202, thus limiting the self-weight hook 301 and ensuring safety and stability during lifting.

[0032] The rotating structure 4 includes a second connecting bolt 404. The rear end of the second connecting bolt 404 passes through the connecting holes 5 on the side walls of the two main bodies 1 and leads to the rear end. The end is threaded with a second connecting nut 403. A lower lifting ring 402 is sleeved on the side wall of the second connecting bolt 404 located between the two main bodies 1. An upper lifting ring 401 is provided at the upper end of the lower lifting ring 402. The upper lifting ring 401 and the lower lifting ring 402 are connected by a third connecting bolt 405 and a third connecting nut 406. In use, the upper lifting ring 401 is hung on the lifting end by using a lifting device. With the cooperation of the third connecting nut 406 and the third connecting bolt 405, the upper lifting ring 401 and the lower lifting ring 402 can rotate freely. With the cooperation of the second connecting bolt 404 and the second connecting nut 403, multi-angle adjustment can be achieved.

[0033] Both self-weight hooks 301 are one-heavy and one-light. When used in conjunction with the first connecting bolt 304 and the first connecting nut 303, the heavier end is placed on top when lifting an item, and the heavier the item, the more secure the lift. Conversely, when releasing, the heavier end is placed on the bottom and the hook end is placed on top, achieving a self-release effect. The upper lifting ring 401 and the lower lifting ring 402 have the same shape and specifications. The two self-weight hooks 301 are symmetrically and staggered in the middle of the two main bodies 1, which can be hooked from both ends. When the two self-weight hooks 301 are closed in opposite directions, they form a closed loop to ensure the safety of the lifted item.

[0034] Working Principle: This utility model is a rotating double-hook self-detaching lifting device with anti-slip teeth. In use, a heavy object is hung on one end of the self-weight hook 301. As the weight of the object acts, the heavier end of the self-weight hook 301 will be positioned at the top. The entire device moves in an arc path around the first connecting bolt 304. The heavier the weight, the tighter the connection between the two self-weight hooks 301 becomes. Combined with the anti-slip groove 302, this ensures that no back-and-forth sliding occurs during lifting, guaranteeing stability. During lifting, the heavier end of the self-weight hook 301 will be positioned at the top, and then... The fixed sleeve 203 moves to one side on the protective bolt 204. Then, by rotating the fixed sleeve 203, the protective connecting buckle 201 is hung on the side wall of the fixed connecting rod 202, thus limiting the weight of the hook 301 and ensuring safety and stability during the lifting process. By using the lifting equipment to hang the upper lifting ring 401 on the lifting end, the upper lifting ring 401 and the lower lifting ring 402 can rotate freely with the cooperation of the third connecting nut 406 and the third connecting bolt 405. With the cooperation of the second connecting bolt 404 and the second connecting nut 403, multi-angle adjustment can be achieved.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rotating double-hook self-detaching lifting device with anti-slip teeth, comprising two main bodies (1), characterized in that: Four connecting holes (5) are respectively provided at the center of the side wall of the two main bodies (1), a rotating structure (4) is provided at the upper middle part of the two main bodies (1), a protective structure (2) is provided between the two main bodies (1) at the lower end of the rotating structure (4), and a self-release structure (3) is provided between the two main bodies (1) at the lower end of the protective structure (2). The self-release structure (3) includes two self-weight hooks (301). A first connecting bolt (304) is provided inside the connecting hole (5) at the lower end of the center of the front side wall of the front main body (1). The rear end of the first connecting bolt (304) passes through the side wall of the front main body (1), the side wall of the two self-weight hooks (301), and the side wall of the rear main body (1) and extends to the rear side. The end is threaded with a first connecting nut (303). Multiple anti-slip grooves (302) are provided on the inner side wall of the lower end of the two self-weight hooks (301).

2. The rotating double-hook self-detaching lifting device with anti-slip teeth according to claim 1, characterized in that: The protective structure (2) includes a protective bolt (204). The rear end of the protective bolt (204) passes through the connecting hole (5) on the side wall of the two main bodies (1) and leads to the rear end. The end is threaded with a protective nut (207). Two fixing sleeves (203) are sleeved on the side wall of the protective bolt (204) located between the two main bodies (1). Protective connecting buckles (201) are fixedly connected to the other side wall of the two fixing sleeves (203). Placement grooves (205) are respectively provided at the center of one side wall of the two main bodies (1) near the two fixing sleeves (203). Connecting magnets (206) are respectively provided inside the two placement grooves (205). Fixed connecting rods (202) are fixedly connected to the center of the opposite two side walls of the two self-weight hooks (301) near one side edge.

3. The rotating double-hook self-detaching lifting device with anti-slip teeth according to claim 1, characterized in that: The rotating structure (4) includes a second connecting bolt (404). The rear end of the second connecting bolt (404) passes through the connecting hole (5) on the side wall of the two main bodies (1) and leads to the rear end. The end is threaded with a second connecting nut (403). A lower lifting ring (402) is sleeved on the side wall of the second connecting bolt (404) located between the two main bodies (1). An upper lifting ring (401) is provided at the upper end of the lower lifting ring (402). The upper lifting ring (401) and the lower lifting ring (402) are connected by a third connecting bolt (405) and a third connecting nut (406).

4. The rotating double-hook self-detaching lifting device with anti-slip teeth according to claim 1, characterized in that: Both of the aforementioned self-weight hooks (301) are heavy at one end and light at the other.

5. A rotating double-hook self-detaching lifting device with anti-slip teeth according to claim 3, characterized in that: The upper lifting ring (401) and the lower lifting ring (402) have the same shape and specifications.

6. A rotating double-hook self-detaching lifting device with anti-slip teeth according to claim 1, characterized in that: The two self-weight hooks (301) are arranged in a symmetrical and staggered manner in the middle of the two main bodies (1).