A fixed type anti-unhooking device for a driving hook

Abstract

The utility model provides a kind of travelling crane hook fixed type anti-unhooking device, belong to mechanical hoisting equipment safety technical field, including with the top of hook as center rotation and can cover the anti-unhooking baffle of hook open end, the outside of hook is connected with the top of anti-unhooking baffle for driving anti-unhooking baffle rotation and is provided with support plate, the bottom of anti-unhooking baffle is provided with the bayonet assembly of preventing anti-unhooking baffle from displacement.The utility model utilizes existing hook and anti-unhooking device, under the requirement that hook is not allowed to be welded, welding lead-out support on existing anti-unhooking device, utilize hook outside camber, closely adhere camber position new installation support welding bayonet and use bolt fixed, can ensure that anti-unhooking device is firmly fixed, does not appear displacement phenomenon, effectively prevent unhooking phenomenon from occurring in operation process.

Description

Technical Field

[0001] This utility model belongs to the field of safety technology of mechanical hoisting equipment, and in particular relates to a fixed anti-disengagement device for crane hooks. Background Technology

[0002] In wastewater slag removal operations in the metallurgical industry, overhead crane hooks are prone to detachment after being submerged in blind spots. Existing solutions include the following:

[0003] 1) Replace with a dedicated anti-detachment hook; however, replacing the hook not only takes time but also leaves the hook idle, resulting in a waste of resources.

[0004] 2) Hook welding and binding treatment: Since safety production laws and regulations explicitly prohibit welding, cutting, grinding and other operations on hooks, the above methods will cause safety hazards to existing hooks. Utility Model Content

[0005] This invention addresses the problem of wasted resources caused by replacing dedicated anti-detachment hooks with idle hooks, and also solves the safety hazards posed by welding and binding hooks. This invention provides a fixed anti-detachment device for crane hooks, which solves the above problems.

[0006] The technical solution adopted by this utility model for a crane hook fixing anti-disengagement device is as follows:

[0007] A crane hook fixing anti-derailment device includes an anti-derailment baffle that rotates around the top of the hook and can cover the open end of the hook. A support plate connected to the top of the anti-derailment baffle is provided on the outside of the hook for driving the anti-derailment baffle to rotate. A locking assembly is provided at the bottom of the anti-derailment baffle to prevent the anti-derailment baffle from shifting.

[0008] A further improvement of the present invention is that the bayonet assembly includes an arc-shaped locking rod that is connected to the bottom of the anti-detachment baffle and matches the outer arc of the hook, and a connector is provided at one end of the arc-shaped locking rod located outside the hook.

[0009] A further improvement of this utility model is that the matching tolerance between the radius of curvature of the arc-shaped clamp and the radius of curvature of the outer side of the hook is ±1mm.

[0010] A further improvement of this utility model is that the connecting member is a threaded hole opened at the end of the arc-shaped clamp rod.

[0011] A further improvement of this utility model is that the connecting component is a nut fixed to the end of the arc-shaped clamp rod.

[0012] A further improvement of this utility model is that the bayonet assembly also includes a friction pad disposed on the inner side of the arc-shaped bayonet rod.

[0013] A further improvement of this utility model is that the thickness of the support plate is not less than 10mm, and the support plate and the anti-detachment baffle are connected by full welding.

[0014] The technological advancements achieved by this utility model due to the adoption of the above technical solution are as follows:

[0015] This utility model utilizes existing hooks and anti-disengagement devices. Under the requirement that welding on hooks is not allowed, a support is welded out onto the existing anti-disengagement device. Utilizing the outer arc of the hook, a new support is installed and welded with a clamp close to the arc position and fixed with bolts. This ensures that the anti-disengagement device is securely fixed and does not shift, effectively preventing disengagement during operation. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of a crane hook fixing anti-disengagement device provided by this utility model.

[0017] In the attached diagram: 1. Anti-detachment baffle; 2. Support plate; 3. Arc-shaped locking rod; 4. Nut. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. In the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessarily obscuring the concept of this utility model.

[0019] First refer to Figure 1 As can be seen, this utility model includes an anti-detachment baffle 1 installed on a hook, and a support plate 2 with a thickness of not less than 10mm. The anti-detachment baffle 1 can rotate around the top of the hook and cover the opening end of the hook. The support plate 2 is fixedly connected to the top of the anti-detachment baffle 1 located outside the hook. The support plate 2 can drive the anti-detachment baffle 1 to rotate, and the support plate 2 and the anti-detachment baffle 1 are fixedly connected together by full welding. In this utility model, a locking assembly is provided at the bottom of the anti-detachment baffle 1 to prevent displacement of the anti-detachment baffle 1.

[0020] In this embodiment, the locking assembly includes an arc-shaped locking rod 3 fixedly connected to the bottom of the anti-detachment baffle 1. The arc-shaped locking rod 3 matches the outer curvature of the hook. Specifically, in this embodiment, the matching tolerance between the radius of curvature of the arc-shaped locking rod 3 and the outer curvature radius of curvature of the hook is ±1mm. Simultaneously, a connector is connected to the end of the arc-shaped locking rod 3 away from the hook, with one connector provided on each of the front and rear sides of the anti-detachment baffle 1.

[0021] In this embodiment, the connector can be a threaded hole opened at the end of the arc-shaped lever 3 away from the hook, or it can be a nut 4 fixed at the end of the arc-shaped lever 3.

[0022] Meanwhile, in this embodiment, the inner side of the arc-shaped lever 3 is also provided with a friction pad. The friction pad can be a rubber pad in the prior art or a pattern opened on the surface of the arc-shaped lever 3 to increase friction.

[0023] The working principle of the fixed anti-detachment device for crane hooks in this embodiment is as follows: First, after the installation of this utility model is completed, when using the hook, the hook and the object to be lifted are hooked together. Then, the anti-detachment baffle 1 is rotated by rotating the support plate 2, so that the anti-detachment baffle 1 covers the open end of the hook. Then, the two connecting parts are connected together by bolts, thereby ensuring that the anti-detachment baffle 1 is firmly fixed and will not be displaced, effectively preventing the hook from detaching during operation.

[0024] In the above embodiments, the present invention provides a crane hook fixed anti-disengagement device. The present invention utilizes the existing hook and anti-disengagement device. Under the requirement that welding on the hook is not allowed, a support is welded out on the existing anti-disengagement device. Utilizing the outer arc of the hook, a new support is installed close to the arc position, welded with a clamp, and fixed with bolts. This ensures that the anti-disengagement device is firmly fixed and does not shift, effectively preventing disengagement during operation.

[0025] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the concept and scope of the present invention. Various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention should fall within the protection scope of the present invention. The technical content for which protection is sought in the present invention has been fully described in the claims.

Claims

1. A crane hook fixing anti-disengagement device, characterized in that: It includes an anti-detachment baffle (1) that rotates around the top of the hook and can cover the opening end of the hook. A support plate (2) is provided on the outside of the hook and connected to the top of the anti-detachment baffle (1) for driving the anti-detachment baffle (1) to rotate. A bayonet assembly is provided at the bottom of the anti-detachment baffle (1) to prevent the anti-detachment baffle (1) from shifting.

2. The crane hook fixing anti-disengagement device according to claim 1, characterized in that: The bayonet assembly includes an arc-shaped locking rod (3) that is connected to the bottom of the anti-detachment baffle (1) and matches the outer arc of the hook, and a connector is provided at the end of the arc-shaped locking rod (3) away from the hook.

3. The crane hook fixing anti-disengagement device according to claim 2, characterized in that: The curvature radius of the arc-shaped clamp (3) and the curvature radius of the outer side of the hook have a matching tolerance of ±1mm.

4. The crane hook fixing anti-disengagement device according to claim 2, characterized in that: The connector is a threaded hole opened at the end of the arc-shaped clasp (3).

5. A crane hook fixing anti-disengagement device according to claim 2, characterized in that: The connector is a nut (4) fixed to the end of the arc-shaped lever (3).

6. A crane hook fixing anti-disengagement device according to claim 2, characterized in that: The bayonet assembly also includes a friction pad disposed on the inner side of the arc-shaped lever (3).

7. The crane hook fixing anti-disengagement device according to claim 1, characterized in that: The thickness of the support plate (2) is not less than 10mm, and the support plate (2) and the anti-detachment baffle (1) are connected by full welding.

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