Crane with self-locking anti-falling lifting hook
By introducing the design of a self -lock -defense -proof hook in the crane, the L -shaped slider and the card connection mechanism of the self -locking block are used to solve the problem of being separated by the loosening of the hook bolt, which improves safety and easy to disassemble.
Patent Information
- Application Number
- CN202420706649.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-04-08
AI Technical Summary
The existing crane hooks are connected by bolts. The bolts are easily loosened over a long period of time, causing the hook to detach, which poses safety hazards.
Design a crane with a self -locking anti -dehum hook, a card connection mechanism with L -shaped slider and a self -locking block. It is connected to the hollow block through the bolt to ensure that the hook is locked stably. Disclosure.
Effectively prevent hooks from being separated, improving safety, and easy to disassemble the hook when needed.
Smart Images
Figure CN222410717U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cranes, and more specifically to a crane with a self-locking and anti-dropping hook. Background Art
[0002] A crane is a multi-action lifting machine that can lift and carry heavy objects vertically and horizontally within a certain range. It is also called an overhead crane, an overhead crane, or a crane. The main features of a tire crane are that its driving cab and the lifting control cab are combined into one, and it is evolved from a crawler crane (crawler crane). The crawler and the traveling bracket of the traveling mechanism are transformed into a chassis with tires, which overcomes the disadvantage that the crawler plates of crawler cranes (crawler cranes) damage the road surface. It is a material handling machine. A bridge crane is a lifting equipment that is horizontally mounted above workshops, warehouses, and material yards for lifting materials. Because its two ends are located on tall concrete columns or metal brackets, it is shaped like a bridge. The bridge of a bridge crane runs longitudinally along the tracks laid on the elevated platforms on both sides, and can make full use of the space under the bridge to lift materials without being hindered by ground equipment. It is the most widely used and most numerous type of lifting machinery.
[0003] In the prior art, a crane can lift and move objects through a hook, and the crane has good stability and a large lifting capacity, making it more suitable for construction sites. However, the hook of a crane is generally connected to the crane through bolts, but the bolts are prone to loosening over a long period of time, causing the hook to detach from the crane, which can easily injure people around. Utility Model Content
[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a crane with a self-locking and anti-detachment hook, which can effectively solve the problem that the crane hook is generally connected to the crane by bolts, but the bolts are prone to loosening over a long period of time, causing the hook to detach from the crane, which is easy to accidentally injure people around.
[0005] In order to solve the above problems, the utility model adopts the following technical solutions:
[0006] A crane with a self-locking anti-drop hook comprises a crane body, a hook is arranged on the lower side of the crane body, a first hollow block is fixedly connected to the outer side of the hook, a bolt is threadedly connected to the inner side of the first hollow block, a second hollow block is fixedly connected to one side of the crane body, and the bolt is threadedly connected to the inner side of the second hollow block, and a clamping mechanism is arranged on the upper side of the hook;
[0007] The clamping mechanism includes an L-shaped slider fixedly connected to the upper side of the hook, a first hollow groove is provided on the lower side of the crane body, and the L-shaped slider is slidably connected to the inside of the first hollow groove, a second hollow groove is provided inside the crane body, and the second hollow groove is communicated with the first hollow groove, a self-locking block is provided on the lower side of the L-shaped slider, and the self-locking block is slidably connected to the inside of the second hollow groove, the crane body is located inside the second hollow groove and is fixedly connected to a spring, and the spring is fixedly connected to the self-locking block.
[0008] As a preferred solution of the utility model, a third hollow groove is opened on one side of the crane body, and the third hollow groove is communicated with the second hollow groove. The crane body is slidably connected with a connecting rod inside the third hollow groove, and the connecting rod is fixedly connected to the self-locking block.
[0009] As a preferred solution of the utility model, a limiting groove is opened inside the crane body, and the limiting groove is communicated with the second hollow groove, the lower side of the self-locking block is fixedly connected to the limiting block, and the limiting block is slidably connected inside the limiting groove.
[0010] As a preferred solution of the utility model, a guide groove is provided on the lower side of the crane body, a guide rod is provided inside the guide groove of the crane body, and the guide rod is fixedly connected to the hook.
[0011] As a preferred solution of the utility model, a reinforcement rod is fixedly connected to one side of the L-shaped sliding block, and the reinforcement rod is fixedly connected to the hook.
[0012] As a preferred solution of the utility model, a connecting plate is fixedly connected to one side of the connecting rod, and a handle is fixedly connected to one side of the connecting plate.
[0013] Compared with the prior art, the advantages of the present invention are:
[0014] 1. In the device, the L-shaped slider can be moved into the interior of the first hollow groove and limited by the self-locking block, so that the hook can be stabilized on the lower side of the crane body to achieve self-locking with the crane body, and the bolt can be connected to the interior of the first hollow block and the second hollow block to complete the connection between the crane body and the hook. Because the hook has been locked by the self-locking block through the L-shaped slider, even if the bolt is loose and detached from the second hollow block, the hook can be limited by the self-locking block and cannot be detached from the crane body, which prevents the hook from accidentally injuring people around.
[0015] 2. A connecting rod can be placed inside the third hollow groove in the device, and the connecting rod can be pulled to drive the self-locking block to move together, so that the self-locking block no longer limits the L-shaped slider, allowing the L-shaped slider to be separated from the first hollow groove, which allows the hook to be separated from the crane body, thereby facilitating the disassembly of the hook. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;
[0018] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;
[0019] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at B in the middle;
[0020] Figure 5 It is a structural schematic diagram of the utility model from another perspective.
[0021] Description of the numbers in the figure:
[0022] 1. Crane body; 21. Hook; 22. First hollow block; 23. Second hollow block; 24. Bolt; 31. First hollow groove; 32. L-shaped slider; 33. Second hollow groove; 34. Self-locking block; 35. Spring; 41. Third hollow groove; 42. Connecting rod; 51. Limiting groove; 52. Limiting block; 61. Guide groove; 62. Guide rod; 7. Reinforcement rod; 81. Connecting plate; 82. Handle. DETAILED DESCRIPTION
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Example:
[0025] See also Figure 1-5A crane with a self-locking anti-detachment hook comprises a crane body 1, a hook 21 is arranged on the lower side of the crane body 1, a first hollow block 22 is fixedly connected to the outer side of the hook 21, a bolt 24 is threadedly connected to the inner side of the first hollow block 22, a second hollow block 23 is fixedly connected to one side of the crane body 1, and the bolt 24 is threadedly connected to the inner side of the second hollow block 23, a clamping mechanism is arranged on the upper side of the hook 21, the crane body 1 can lift and move objects through the hook 21, and the bolt 24 can be connected to the inner side of the first hollow block 22 and the second hollow block 23 to achieve the effect of connecting the crane body 1 and the hook 21, and the bolt 24 can also be detached from the second hollow block 23 by rotation, so as to facilitate the disassembly of the hook 21.
[0026] The clamping mechanism includes an L-shaped slider 32 fixedly connected to the upper side of the hook 21. A first hollow groove 31 is opened on the lower side of the crane body 1, and the L-shaped slider 32 is slidably connected to the inside of the first hollow groove 31. The L-shaped slider 32 can be placed inside the first hollow groove 31, and the L-shaped slider 32 can be connected to the hook 21 and driven by the hook 21 to move into the inside of the first hollow groove 31.
[0027] In addition, a second hollow groove 33 is provided inside the crane body 1, and the second hollow groove 33 is communicated with the first hollow groove 31, a self-locking block 34 is provided on the lower side of the L-shaped slider 32, and the self-locking block 34 is slidably connected to the inside of the second hollow groove 33, and the self-locking block 34 can be placed inside the second hollow groove 33, so that the self-locking block 34 has space to move, and the lower side of the self-locking block 34 is inclined, which can be squeezed by the L-shaped slider 32 to automatically move, and the self-locking block 34 can limit the L-shaped slider 32, so that the L-shaped slider 32 is not easy to separate from the first hollow groove 31, which makes the hook 21 stable on the lower side of the crane body 1 to achieve self-locking with the crane body 1, so that even if the bolt 24 loosens and separates from the second hollow block 23, the hook 21 can be limited by the self-locking block 34 and cannot be separated from the crane body 1, which prevents the hook 21 from accidentally injuring people around.
[0028] In addition, a spring 35 is fixedly connected to the inside of the second hollow groove 33 of the crane body 1, and the spring 35 is fixedly connected to the self-locking block 34. The spring 35 can support the self-locking block 34 so that the self-locking block 34 can be stabilized on the lower side of the L-shaped slider 32 and is not easy to move. At the same time, the spring 35 can also be squeezed and contracted by the self-locking block 34, and the self-locking block 34 is rebounded to its original position to automatically limit the L-shaped slider 32.
[0029] Specifically, a third hollow groove 41 is opened on one side of the crane body 1, and the third hollow groove 41 is communicated with the second hollow groove 33. The crane body 1 is slidably connected with a connecting rod 42 inside the third hollow groove 41, and the connecting rod 42 is fixedly connected to the self-locking block 34. The connecting rod 42 can be placed inside the third hollow groove 41, and the connecting rod 42 can be pulled to drive the self-locking block 34 to move together, so that the self-locking block 34 can no longer limit the L-shaped slider 32, allowing the L-shaped slider 32 to be separated from the first hollow groove 31, which allows the hook 21 to be separated from the crane body 1, thereby facilitating the disassembly of the hook 21.
[0030] Specifically, a limiting groove 51 is provided inside the crane body 1, and the limiting groove 51 is communicated with the second hollow groove 33. The lower side of the self-locking block 34 is fixedly connected to the limiting block 52, and the limiting block 52 is slidably connected to the inside of the limiting groove 51. The limiting groove 51 can limit the self-locking block 34 through the limiting block 52, so that when the spring 35 bounces the self-locking block 34 back, the self-locking block 34 is not likely to violently hit the L-shaped slider 32, so that both the self-locking block 34 and the L-shaped slider 32 are not easily damaged.
[0031] Specifically, a guide groove 61 is provided on the lower side of the crane body 1, and a guide rod 62 is provided inside the guide groove 61 of the crane body 1, and the guide rod 62 is fixedly connected to the hook 21. The guide groove 61 can guide the hook 21 and the L-shaped slider 32 through the guide rod 62, so that the L-shaped slider 32 can smoothly move into the interior of the first hollow groove 31 and squeeze the self-locking block 34 to move, and the phenomenon of the L-shaped slider 32 being less likely to be in the wrong direction.
[0032] Specifically, a reinforcement rod 7 is fixedly connected to one side of the L-shaped slider 32, and the reinforcement rod 7 is fixedly connected to the hook 21. The reinforcement rod 7 can reinforce the L-shaped slider 32, so that the connection between the L-shaped slider 32 and the hook 21 is more secure and less prone to breakage and damage.
[0033] Specifically, a connecting plate 81 is fixedly connected to one side of the connecting rod 42 , and a handle 82 is fixedly connected to one side of the connecting plate 81 . The connecting plate 81 can be connected to the handle 82 , and the handle 82 can facilitate people to pull the connecting rod 42 .
[0034] The working principle and use process of the utility model are as follows: when using the device, first place the hook 21 on the lower side of the crane body 1, and then move the hook 21, the hook 21 will drive the L-shaped slider 32 to move into the first hollow groove 31, and then the L-shaped slider 32 will squeeze the inclined surface of the self-locking block 34, so that the self-locking block 34 moves, and at the same time the self-locking block 34 will squeeze the spring 35 to contract, when the L-shaped slider 32 continues to move until it is located on the upper side of the self-locking block 34, the spring 35 will rebound the self-locking block 34 to its original position, so that the self-locking block 34 can limit the L-shaped slider 32, which makes it difficult for the L-shaped slider 32 to separate from the first hollow groove 31, and then the hook 21 can be stabilized on the lower side of the crane body 1, so as to realize the self-locking of the hook 21 Lock, and then connect the bolt 24 to the inside of the first hollow block 22 and the second hollow block 23 to complete the connection between the crane body 1 and the hook 21. Because the hook 21 has been locked by the self-locking block 34 through the L-shaped slider 32, even if the bolt 24 is loose and detached from the second hollow block 23, the hook 21 can be limited by the self-locking block 34 and cannot be detached from the crane body 1, so that the hook 21 will not accidentally injure people around. At this point, the problem that the hook 21 of the crane body 1 is generally connected to the crane body 1 by the bolt 24, but the bolt 24 is prone to loosening over a long period of time, thereby causing the hook 21 to be detached from the crane body 1, which is easy to accidentally injure people around.
[0035] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.
Claims
1. A crane with a self-locking anti-drop hook, comprising a crane body (1), characterized in that: A hook (21) is provided on the lower side of the crane body (1), a first hollow block (22) is fixedly connected to the outer side of the hook (21), a bolt (24) is threadedly connected to the interior of the first hollow block (22), a second hollow block (23) is fixedly connected to one side of the crane body (1), and the bolt (24) is threadedly connected to the interior of the second hollow block (23), and a clamping mechanism is provided on the upper side of the hook (21); The clamping mechanism comprises an L-shaped slider (32) fixedly connected to the upper side of the hook (21); a first hollow groove (31) is provided on the lower side of the crane body (1), and the L-shaped slider (32) is slidably connected to the inside of the first hollow groove (31); a second hollow groove (33) is provided inside the crane body (1), and the second hollow groove (33) is communicated with the first hollow groove (31); a self-locking block (34) is provided on the lower side of the L-shaped slider (32), and the self-locking block (34) is slidably connected to the inside of the second hollow groove (33); a spring (35) is fixedly connected to the inside of the second hollow groove (33) of the crane body (1), and the spring (35) is fixedly connected to the self-locking block (34).
2. A crane with a self-locking anti-drop hook according to claim 1, characterized in that: A third hollow groove (41) is provided on one side of the crane body (1), and the third hollow groove (41) is communicated with the second hollow groove (33); the crane body (1) is slidably connected with a connecting rod (42) inside the third hollow groove (41), and the connecting rod (42) is fixedly connected to the self-locking block (34).
3. A crane with a self-locking anti-dropping hook according to claim 1, characterized in that: A limiting groove (51) is provided inside the crane body (1), and the limiting groove (51) is communicated with the second hollow groove (33); a limiting block (52) is fixedly connected to the lower side of the self-locking block (34), and the limiting block (52) is slidably connected inside the limiting groove (51).
4. A crane with a self-locking anti-drop hook according to claim 1, characterized in that: A guide groove (61) is provided on the lower side of the crane body (1), a guide rod (62) is provided inside the guide groove (61) of the crane body (1), and the guide rod (62) is fixedly connected to the hook (21).
5. A crane with a self-locking anti-drop hook according to claim 1, characterized in that: A reinforcing rod (7) is fixedly connected to one side of the L-shaped sliding block (32), and the reinforcing rod (7) is fixedly connected to the hook (21).
6. A crane with a self-locking anti-dropping hook according to claim 2, characterized in that: A connecting plate (81) is fixedly connected to one side of the connecting rod (42), and a handle (82) is fixedly connected to one side of the connecting plate (81).