Gravity anti-unhooking mechanism for travelling crane
The driving gravity anti-unhooking mechanism addresses accidental triggering and rope slippage issues by incorporating a self-locking design with a reset spring and fixed rope positioning, enhancing stability and ease of use.
Patent Information
- Application Number
- CN202421105401.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-21
AI Technical Summary
Traditional driving gravity anti-unhooking mechanisms are prone to accidental triggering and rope slippage due to changes in force direction during vehicle turns, leading to reduced efficiency and potential accidents.
A driving gravity anti-unhooking mechanism with a hook, protrusion, groove, fixing bolt, rotating blocks, return spring, and sliding block design that includes a reset spring for self-locking, a limit block for derailment prevention, and a rope groove for fixed rope positioning, enhancing stability and flexibility.
The mechanism provides enhanced stability by preventing accidental unlocking and rope slippage, increasing load-bearing capacity, and facilitating easy rope installation and removal, thereby improving safety and efficiency.
Smart Images

Figure CN222181543U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-unhooking, in particular to a driving gravity anti-unhooking mechanism. Background Art
[0002] The driving gravity anti-unhooking mechanism is a safety device, usually a mechanical device, installed on the vehicle's transmission system or wheels. It is used to prevent the vehicle from sliding or falling when the vehicle stops. This device automatically locks the wheels or transmission system when the vehicle stops to prevent the vehicle from moving, thereby improving the stability and safety of the vehicle when it is parked and avoiding accidents or damages.
[0003] The traditional driving gravity anti-unhooking mechanism has the problem that the self-locking mechanism is easily triggered by mistake, which is prone to accidents when driving on the road. Moreover, when the leading vehicle turns, the force direction changes too easily, causing the rope to slip out of the hook or be caught by other objects on the vehicle, resulting in reduced efficiency. Therefore, a driving gravity anti-unhooking mechanism is proposed. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a driving gravity anti-unhooking mechanism aimed at improving the situation in the prior art that the rope is easy to slip out of the hook under certain circumstances and cause accidents.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a driving gravity anti-unhooking mechanism, comprising a hook, a protrusion fixedly connected inside the hook, a groove one is opened inside the protrusion, a fixing bolt is arranged inside the protrusion, the outer wall of the fixing bolt is rotatably connected to the inside of the groove one, the outer wall of the fixing bolt is fixedly connected to a rotating block one, and the outer wall of the hook is fixedly connected to the limiting block, the outer wall of the rotating block one is attached to the outer wall of the limiting block, a return spring is arranged on the outer wall of the fixing bolt, one side of the outer wall of the return spring is attached to the outer wall of the limiting block, one side of the outer wall of the return spring is fixedly connected to the outer wall of the hook, a fixing rod is fixedly connected inside the hook, the outer wall of the fixing rod is rotatably connected to a rotating block two, and the outer wall of the hook is provided with a fixing component.
[0006] Furthermore, the fixing assembly comprises a sliding block, the inner wall of the sliding block is slidably connected to the outer wall of the hook, and a rope groove is provided inside the sliding block.
[0007] Furthermore, a circular hole is provided inside the sliding block.
[0008] Furthermore, the outer wall of the fixing rod is fixedly connected to a limiting ring.
[0009] Furthermore, a second groove is provided inside the second rotating block, and the outer wall of the limiting ring is rotatably connected to the inside of the second groove.
[0010] Furthermore, a fixing block is fixedly connected to the upper surface of the fixing rod.
[0011] Furthermore, the lower surface of the fixing block is rotatably connected to the upper surface of the fixing rod.
[0012] Furthermore, a hanging ring is fixedly connected to the upper surface of the second rotating block.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, a reset spring is arranged inside the hook to achieve the effect of self-locking the exit, and a limit block is fixed on the outer wall of the hook to prevent derailment, thereby increasing the stability of the mechanism. The limit ring fixed on the outer wall of the fixed rod is restricted in the groove 2 inside the rotating block 2, thereby increasing the bearing capacity of the mechanism.
[0015] 2. In the utility model, a sliding block is provided on the outer wall of the hook, and a rope groove is provided inside the sliding block to fix the position of the rope, separate the rope, and increase the friction force to increase the stability of the mechanism. The round hole can facilitate the installation of the rope, and the sliding block can be freely disassembled, thereby achieving the effect of increasing the flexibility of the mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a three-dimensional structural diagram of a vehicle gravity anti-unhooking mechanism proposed by the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the rotating block portion of a vehicle gravity anti-unhooking mechanism proposed by the utility model;
[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle.
[0019] Legend:
[0020] 1. Hook; 2. Bump; 3. Groove 1; 4. Fixing bolt; 5. Rotating block 1; 6. Return spring; 7. Limiting block; 8. Fixing rod; 9. Limiting ring; 10. Rotating block 2; 11. Groove 2; 12. Hanging ring; 13. Sliding block; 14. Rope groove; 15. Round hole; 16. Fixing block. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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.
[0022] Reference Figure 1 , Figure 2 and Figure 3 The utility model provides an embodiment: a driving gravity anti-unhooking mechanism, including a hook 1, a protrusion 2 is fixedly connected inside the hook 1, a groove 3 is opened inside the protrusion 2, a fixing bolt 4 is arranged inside the protrusion 2, the outer wall of the fixing bolt 4 is rotatably connected to the inside of the groove 3, the outer wall of the fixing bolt 4 is fixedly connected to a rotating block 5, the outer wall of the hook 1 is fixedly connected to a limiting block 7, the outer wall of the rotating block 5 is attached to the outer wall of the limiting block 7, a return spring 6 is arranged on the outer wall of the fixing bolt 4, one side of the outer wall of the return spring 6 is attached to the outer wall of the limiting block 7, and one side of the outer wall of the return spring 6 is fixedly connected to the outer wall of the hook 1, a fixing rod 8 is fixedly connected inside the hook 1, the outer wall of the fixing rod 8 is rotatably connected to a rotating block 2 10, and a fixing component is arranged on the outer wall of the hook 1.
[0023] Specifically, the sliding block 13 can directly squeeze the groove 3 and enter the inside of the hook 1 from the opening. The limit block 7 can effectively prevent the rope from sliding out of the outer wall of the hook 1, and can also prevent the rotating block 5 from leaving the track, thereby achieving the effect of a self-locking exit and increasing the safety of the mechanism.
[0024] Reference Figure 1 and Figure 2 The fixed component includes a sliding block 13, the inner wall of the sliding block 13 is slidably connected to the outer wall of the hook 1, a rope groove 14 is opened inside the sliding block 13, a round hole 15 is opened inside the sliding block 13, the outer wall of the fixed rod 8 is fixedly connected to the limit ring 9, a groove 11 is opened inside the rotating block 10, the outer wall of the limit ring 9 is rotatably connected inside the groove 11, the upper surface of the fixed rod 8 is fixedly connected to the fixed block 16, the lower surface of the fixed block 16 is rotatably connected to the upper surface of the fixed rod 8, and the upper surface of the rotating block 10 is fixedly connected to the hanging ring 12.
[0025] Specifically, by fixing the limiting ring 9 inside the fixed rod 8 and then providing a rotating block 10 on the outer wall of the fixed rod 8, the groove 11 inside the rotating block 10 limits the fixed rod 8, thereby increasing the load-bearing capacity and firmness of the mechanism. The sliding block 13 on the outer wall of the hook 1 can effectively fix the position of the rope and prevent the rope from slipping out of the hook 1. The circular hole 15 inside the sliding block 13 can improve the efficiency of rope installation and increase the friction of the rope, thereby achieving the effect of increasing the convenience of the mechanism.
[0026] Working principle: when it is necessary to use the driving gravity anti-unhooking mechanism, first pass the rope through the rope groove 14 and out of the round hole 15, and then pass it into the rope groove 14 from the other round hole 15. The rope groove 14 is opened inside the sliding block 13 to facilitate the removal and installation of the rope. While controlling the rope, the rope can also be quickly threaded, achieving the effect of increasing the convenience of the device, increasing the friction on the rope, and effectively limiting the position of the rope. A rotating block 5 is arranged inside the hook 1. The rotating block 5 can only rotate inwardly under the restriction of the limit block 7. When the sliding block 13 enters the inside of the hook 1, the reset spring 6 will drive the rotating block 5 to reset. The rotating block 5 is attached to the outer wall of the limit block 7 to effectively prevent the rotating block 5 from being accidentally dragged, causing the sliding block 13 and the rope to slide out of the hook 1, thereby increasing the stability of the mechanism. The limiting ring 9 and the fixed block 16 connected to the fixing rod 8 can assist the groove 2 11 to withstand the huge pulling force without breaking, thereby increasing the practicality of the mechanism.
[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A vehicle gravity anti-unhooking mechanism, comprising a hook (1), characterized in that: The hook (1) is fixedly connected with a protrusion (2) inside, a groove (3) is provided inside the protrusion (2), a fixing bolt (4) is arranged inside the protrusion (2), the outer wall of the fixing bolt (4) is rotatably connected to the inside of the groove (3), the outer wall of the fixing bolt (4) is fixedly connected with a rotating block (5), the outer wall of the hook (1) is fixedly connected with a limit block (7), the outer wall of the rotating block (5) is attached to the outer wall of the limit block (7), a return spring (6) is arranged on the outer wall of the fixing bolt (4), one side of the outer wall of the return spring (6) is attached to the outer wall of the limit block (7), and one side of the outer wall of the return spring (6) is fixedly connected to the outer wall of the hook (1), a fixing rod (8) is fixedly connected inside the hook (1), the outer wall of the fixing rod (8) is rotatably connected with a rotating block (10), and a fixing component is arranged on the outer wall of the hook (1).
2. A vehicle gravity anti-unhooking mechanism according to claim 1, characterized in that: The fixing assembly comprises a sliding block (13), the inner wall of the sliding block (13) is slidably connected to the outer wall of the hook (1), and a rope groove (14) is provided inside the sliding block (13).
3. A vehicle gravity anti-unhooking mechanism according to claim 2, characterized in that: A circular hole (15) is provided inside the sliding block (13).
4. The vehicle gravity anti-unhooking mechanism according to claim 1, characterized in that: The outer wall of the fixing rod (8) is fixedly connected to a limiting ring (9).
5. The vehicle gravity anti-unhooking mechanism according to claim 4, characterized in that: A second groove (11) is provided inside the second rotating block (10), and the outer wall of the limiting ring (9) is rotatably connected inside the second groove (11).
6. A vehicle gravity anti-unhooking mechanism according to claim 5, characterized in that: A fixing block (16) is fixedly connected to the upper surface of the fixing rod (8).
7. A vehicle gravity anti-unhooking mechanism according to claim 6, characterized in that: The lower surface of the fixing block (16) is rotatably connected to the upper surface of the fixing rod (8).
8. The vehicle gravity anti-unhooking mechanism according to claim 1, characterized in that: A hanging ring (12) is fixedly connected to the upper surface of the rotating block 2 (10).
