Tower crane lifting hook

Abstract

The utility model discloses a tower crane lifting hook, which comprises a hook body and a lifting hook, the anti-falling component is arranged on the hook body and comprises an adjustable locking mechanism; and the damping structure is integrated in the hook body and used for absorbing vibration energy in the lifting process. The rubber anti-skid device is arranged in the circular ring of the hook body, and the surface of the device is in a sawtooth protrusion shape, so that object hanging ropes and the like can be effectively prevented from sliding. The rubber cushion layer is arranged in the hook body, and the concave part is formed in the middle of the arc, so that shaking and vibration in the lifting process can be effectively reduced, and the lifting safety is improved. A clamping groove is formed in the hook body, a spring is arranged in the anti-disengaging rod, and the baffle can be freely adjusted in height and can enter and exit from the clamping groove. When a heavy object is hoisted, the anti-falling plate clamps the clamping groove, and the heavy object rope can be effectively prevented from being separated from the hook in the hoisting process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, specifically relates to a tower crane hook. BACKGROUND

[0002] The tower crane is indispensable heavy equipment in building construction, and the safety of the hook thereof is directly related to operation efficiency and personnel life and property safety. However, the traditional hook has the following significant defects in actual application: severe weather conditions such as strong wind and heavy rain can significantly affect the stability of the tower crane; the total height of the tower crane, the higher the height, the greater the wind force; the greater the load, the more complex the stress condition of the tower crane; and the maintenance condition of the equipment itself, long-term lack of maintenance can easily lead to equipment failure, thereby causing shaking.

[0003] The hook of the tower crane is prone to falling off during operation, which is usually caused by improper binding of the heavy object or improper selection of the hoisting center of gravity, resulting in slippage of the heavy object during hoisting. In addition, the hoisting load is subjected to collision, impact, vibration and the like, which can also cause the heavy object to sway, thereby causing the heavy object to fall off. SUMMARY

[0004] The purpose of the utility model is to solve the problems in the above background art, and a tower crane hook is provided.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] A tower crane hook comprises:

[0007] A hook body, the inner wall of which is provided with a friction enhancement structure;

[0008] A falling prevention assembly is arranged on the hook body and comprises an adjustable locking mechanism;

[0009] A damping structure is integrated in the hook body and is used for absorbing vibration energy during hoisting.

[0010] As a further scheme of the utility model, the friction enhancement structure is a rubber non-slip layer, the surface of which is provided with concave-convex textures or sawtooth protrusions.

[0011] As a further scheme of the utility model, the falling prevention assembly comprises a falling prevention rod, an elastic element and a baffle, the falling prevention rod is hingedly connected to the hook body through a rotating shaft and can adjust the coverage range of the baffle through the extension and contraction of the elastic element.

[0012] As a further scheme of the utility model, the elastic element is any one of an extension spring, a torsion spring or elastic rubber.

[0013] As a further embodiment of this utility model: the shock-absorbing structure includes a groove provided on the inner wall of the hook body.

[0014] As a further embodiment of this utility model, the groove is embedded with rubber or elastomer material.

[0015] As a further embodiment of this utility model: the locking mechanism includes a slot fixed to the hook body, and the anti-detachment rod is engaged in the slot by an elastic element to form a locked state.

[0016] As a further embodiment of this utility model, the material of the card slot is any one of rubber, polyurethane or engineering plastic.

[0017] As a further embodiment of this utility model, the slot is triangular in shape.

[0018] As a further embodiment of this utility model, the friction enhancement structure and the shock absorption structure are integrated into a multi-layer composite structure.

[0019] The beneficial effects of this utility model are:

[0020] The hook body features a rubber anti-slip device inside its circular ring. This device has a serrated, raised surface that effectively prevents the hanging rope or other equipment from slipping. The hook body also has an internal rubber pad with a recessed center to further reduce swaying and vibration during lifting, thus improving lifting safety.

[0021] The hook body has an internal slot, and the anti-detachment rod has an internal spring, allowing for easy adjustment of the baffle's height to facilitate entry and exit from the slot. When hoisting heavy objects, the anti-detachment plate engages the slot, effectively preventing the rope from slipping off the hook during lifting. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0024] Fig. 2 This is a schematic diagram of the anti-detachment rod of this utility model.

[0025] In the diagram: 1. Hook body; 2. Slot; 3. Rubber anti-slip layer; 4. Anti-detachment rod; 5. Rotating shaft; 7. Baffle; 8. Telescopic spring; 9. Groove. Detailed Implementation

[0026] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0027] Embodiment one, please refer to Figs. 1-2 The utility model discloses a tower crane hook, comprising:

[0028] The hook body 1 is internally provided with a friction enhancement structure;

[0029] The anti-dropping assembly is arranged on the hook body 1 and comprises an adjustable locking mechanism;

[0030] The damping structure is integrated inside the hook body 1 and is used for absorbing vibration energy in the lifting process.

[0031] Embodiment two, please refer to Figs. 1-2 The utility model discloses a tower crane hook, comprising:

[0032] The hook body 1 is internally provided with a friction enhancement structure, which is a rubber antiskid layer 3, and the surface of the rubber antiskid layer 3 is provided with concave-convex textures or sawtooth protrusions;

[0033] The anti-dropping assembly is arranged on the hook body 1 and comprises an adjustable locking mechanism, and the anti-dropping assembly comprises an anti-dropping rod 4, an elastic element and a baffle 7; the anti-dropping rod 4 is hingedly connected with the hook body 1 through a rotating shaft 5 and can adjust the coverage range of the baffle 7 through the extension and contraction of the elastic element;

[0034] The elastic element is any one of an extension spring 8, a torsion spring or elastic rubber.

[0035] The damping structure is integrated inside the hook body 1 and is used for absorbing vibration energy in the lifting process, and the damping structure comprises a groove 9 arranged on the inner wall of the hook body 1, and the groove 9 is embedded with rubber or elastomer material.

[0036] Embodiment three, please refer to Figs. 1-2 The utility model discloses a tower crane hook, comprising:

[0037] The hook body 1 is internally provided with a friction enhancement structure, which is a rubber antiskid layer 3, and the surface of the rubber antiskid layer 3 is provided with concave-convex textures or sawtooth protrusions;

[0038] The anti-falling assembly is arranged on the hook body 1 and comprises an adjustable locking mechanism, the anti-falling assembly comprises an anti-falling rod 4, an elastic element and a baffle 7, the anti-falling rod 4 is hinged to the hook body 1 through a rotating shaft 5 and can adjust the covering range of the baffle 7 through the extension and contraction of the elastic element;

[0039] The locking mechanism comprises a clamping groove 2 fixed to the hook body 1, and the anti-falling rod 4 is clamped into the clamping groove 2 through the elastic element to form a locking state. The material of the clamping groove 2 is any one of rubber, polyurethane or engineering plastic. The shape of the clamping groove 2 is triangular.

[0040] The elastic element is any one of an extension spring 8, a torsion spring or elastic rubber.

[0041] The damping structure is integrated in the hook body 1 and is used for absorbing vibration energy in the lifting process. The damping structure comprises a groove 9 arranged on the inner wall of the hook body 1, and rubber or elastomer material is embedded in the groove 9.

[0042] Embodiment four, please refer to Figs. 1-2 The utility model discloses a tower crane hook, which comprises:

[0043] The hook body 1 is provided with a friction enhancement structure on the inner wall. The friction enhancement structure is a rubber anti-skid layer 3, and the surface of the rubber anti-skid layer 3 is provided with concave-convex textures or sawtooth protrusions.

[0044] The anti-falling assembly is arranged on the hook body 1 and comprises an adjustable locking mechanism, the anti-falling assembly comprises an anti-falling rod 4, an elastic element and a baffle 7, the anti-falling rod 4 is hinged to the hook body 1 through a rotating shaft 5 and can adjust the covering range of the baffle 7 through the extension and contraction of the elastic element;

[0045] The locking mechanism comprises a clamping groove 2 fixed to the hook body 1, and the anti-falling rod 4 is clamped into the clamping groove 2 through the elastic element to form a locking state. The material of the clamping groove 2 is any one of rubber, polyurethane or engineering plastic. The shape of the clamping groove 2 is triangular.

[0046] The elastic element is any one of an extension spring 8, a torsion spring or elastic rubber.

[0047] The damping structure is integrated in the hook body 1 and is used for absorbing vibration energy in the lifting process. The damping structure comprises a groove 9 arranged on the inner wall of the hook body 1, and rubber or elastomer material is embedded in the groove 9.

[0048] The friction enhancement structure and the damping structure are integrally designed to form a multilayer composite structure.

[0049] Embodiment five, please refer to Figs. 1-2 The utility model discloses a tower crane hook, which comprises:

[0050] The hook body 1 is provided with a friction enhancing structure, which is a rubber anti-skid layer 3, and the surface of the rubber anti-skid layer 3 is provided with concave-convex textures or sawtooth protrusions.

[0051] The anti-falling assembly is arranged on the hook body 1 and comprises an adjustable locking mechanism, and the anti-falling assembly comprises an anti-falling rod 4, an elastic element and a baffle 7.

[0052] The locking mechanism comprises a clamping groove 2 fixed to the hook body 1, and the anti-falling rod 4 is clamped into the clamping groove 2 by the elastic element to form a locking state.

[0053] The elastic element is a telescopic spring 8.

[0054] The damping structure is integrated in the hook body 1 and is used for absorbing vibration energy in the lifting process.

[0055] The friction enhancing structure and the damping structure are integrally designed to form a multi-layer composite structure.

[0056] Embodiment six, please refer to Figs. 1-2 The utility model discloses a tower crane hook, which comprises:

[0057] The hook body 1 is provided with a friction enhancing structure, which is a rubber anti-skid layer 3, and the surface of the rubber anti-skid layer 3 is provided with concave-convex textures or sawtooth protrusions.

[0058] The anti-falling assembly is arranged on the hook body 1 and comprises an adjustable locking mechanism, and the anti-falling assembly comprises an anti-falling rod 4, an elastic element and a baffle 7.

[0059] The locking mechanism comprises a clamping groove 2 fixed to the hook body 1, and the anti-falling rod 4 is clamped into the clamping groove 2 by the elastic element to form a locking state.

[0060] The elastic element is a telescopic spring 8.

[0061] The damping structure is integrated in the hook body 1 and is used for absorbing vibration energy in the lifting process.

[0062] The friction-enhancing structure and the shock-absorbing structure are integrally designed to form a multi-layer composite structure.

[0063] The above describes one embodiment of the present application in detail, but the content is only the preferred embodiment of the present application, and cannot be considered to limit the implementation scope of the present application. Any equivalent changes and improvements made according to the application scope of the present application should still belong to the scope of the claims of the present application.

Claims

1. A tower crane hook, characterized in that, The application relates to a hook body (1) with an inner wall provided with a friction-enhancing structure, a anti-dropping assembly arranged on the hook body (1) and comprising an adjustable locking mechanism, and a shock-absorbing structure integrated in the hook body (1) and used for absorbing vibration energy in the lifting process. The friction-enhancing structure is a rubber anti-skid layer (3) with a concave-convex texture or sawtooth protrusions on the surface. The anti-dropping assembly comprises an anti-dropping rod (4), an elastic element and a baffle (7), the anti-dropping rod (4) is hinged to the hook body (1) through a rotating shaft (5) and can adjust the coverage range of the baffle (7) through the expansion and contraction of the elastic element. The elastic element is any one of an expansion spring (8), a torsion spring or elastic rubber.

2. A tower crane hook according to claim 1, characterised in that The shock-absorbing structure comprises a groove (9) arranged on the inner wall of the hook body (1).

3. A tower crane hook according to claim 1, characterised in that The groove (9) is embedded with rubber or elastomer material.

4. A tower crane hook according to claim 3, characterised in that The locking mechanism comprises a clamping groove (2) fixed to the hook body (1), the anti-dropping rod (4) is clamped into the clamping groove (2) through the elastic element to form a locking state.

5. A tower crane hook according to claim 1, characterized in that The material of the clamping groove (2) is any one of rubber, polyurethane or engineering plastic.

6. A tower crane hook according to claim 5, characterised in that The shape of the clamping groove (2) is triangular.

7. A tower crane hook according to claim 3, characterised in that The friction-enhancing structure and the shock-absorbing structure are integrally designed to form a multi-layer composite structure.

8. A tower crane hook according to claim 7, characterised in that ​ 9. A tower crane hook according to claim 7, characterised in that ​ 10. A tower crane hook according to claim 1, characterized in that ​

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