CN221116694U

CN221116694U - Crane hook anti-falling device

Info

Publication number: CN221116694U
Application number: CN202322905270.4U
Authority: CN
Inventors: 韦迎超
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-06-11
Anticipated expiration: 2033-10-27

Abstract

The utility model relates to the technical field of crane hooks, in particular to a crane hook anti-falling device, which comprises a hook body, wherein a connecting block is arranged at the upper end of the hook body, a connecting ring is arranged at the upper end of the connecting block, an anti-falling assembly is arranged at the front side of the hook body, the anti-falling assembly comprises a supporting frame, a driving worm wheel is rotatably arranged at the front side inside the supporting frame, the anti-falling assembly is arranged on the crane hook anti-falling device, a driving worm can be driven to rotate by a driving motor, the driving worm wheel is driven to rotate when rotating, a connecting rod is driven to rotate when the driving worm wheel rotates, so that a protection block can be driven to rotate under the cooperation of a first rotating block and a second rotating block, when an article is hung on the hook body, the protection block can protect the article, thus the article can be prevented from falling, and the anti-falling device has the advantages of simple structure, convenient operation and higher safety.

Description

Crane hook anti-falling device

Technical Field

The utility model relates to the technical field of crane hooks, in particular to a crane hook falling prevention device.

Background

A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. In recent years, the crane has become an indispensable machine in construction sites of large projects such as bridge construction, house construction and the like, while the hook is the most common lifting appliance in the crane, and along with the common use of the crane, the safety problem of the crane is also increasingly concerned.

The anti-falling effect of the anti-falling hook structure of the existing crane hook is poor, the operation is troublesome, and the safety of hoisting work of the crane hook is reduced.

There is therefore a need for a crane hook fall arrest device that ameliorates the above-described problems.

Disclosure of utility model

The utility model aims to provide a crane hook anti-falling device which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the anti-falling device for the crane hook comprises a hook body, wherein a connecting block is arranged at the upper end of the hook body, a connecting ring is arranged at the upper end of the connecting block, and an anti-falling assembly is arranged at the front side of the hook body;

The anti-falling assembly comprises a supporting frame, the inside front side of supporting frame rotates and is provided with drive worm wheel, the inside rear side of supporting frame rotates and is provided with drive worm, the rear side of supporting frame bottom is provided with driving motor, the front side of supporting frame left surface rotates and is provided with the connecting rod, the left end of connecting rod is provided with the stopper, first rotating block has been cup jointed in the left side of connecting rod outer wall, the second rotating block has been cup jointed on the right side of connecting rod outer wall, the centre of connecting rod outer wall rotates and is provided with the fixed block, be provided with the protection piece between the bottom of first rotating block and second rotating block.

As a preferable scheme of the utility model, the left side surface of the supporting frame is fixedly connected with the right side surface of the lifting hook body.

As a preferable scheme of the utility model, the upper end of the fixed block is fixedly connected with the bottom of the connecting block, and the lower end of the fixed block is connected with the lifting hook body.

As a preferable scheme of the utility model, the driving worm wheel and the driving worm rod are connected in a meshed mode.

As a preferable scheme of the utility model, the driving end of the driving motor is connected with the bottom of the driving worm through a connecting shaft.

As a preferable scheme of the utility model, the right end of the connecting rod is connected with the driving worm wheel.

Compared with the prior art, the utility model has the beneficial effects that:

According to the anti-falling device, the anti-falling assembly is arranged on the anti-falling device of the crane lifting hook, the driving motor can be operated to drive the driving worm to rotate, the driving worm drives the driving worm wheel to rotate when the driving worm wheel rotates, and the connecting rod is driven to rotate when the driving worm wheel rotates, so that the protection block can be driven to rotate under the cooperation of the first rotating block and the second rotating block, when an article is hung on the lifting hook body, the article can be protected through the protection block, the article can be prevented from falling, the anti-falling device is convenient to use, the safety is higher, and the whole device is simple in structure, convenient to operate and higher in practicability.

Drawings

FIG. 1 is a front view of the whole of the present utility model;

FIG. 2 is a partial block diagram of the present utility model;

FIG. 3 is an exploded view of a portion of the structure of the present utility model.

In the figure: 1. a hook body; 2. a connecting block; 3. a connecting ring; 4. a fall arrest assembly; 401. a support frame; 402. a drive worm wheel; 403. driving a worm; 404. a driving motor; 405. a connecting rod; 406. a limiting block; 407. a first rotating block; 408. a second rotating block; 409. a fixed block; 410. and a protective block.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

The anti-falling device of the crane hook comprises a hook body 1, wherein a connecting block 2 is arranged at the upper end of the hook body 1, a connecting ring 3 is arranged at the upper end of the connecting block 2, and an anti-falling assembly 4 is arranged at the front side of the hook body 1;

In this embodiment, please refer to fig. 2 and 3, the anti-falling assembly 4 includes a supporting frame 401, a driving worm wheel 402 is rotatably disposed at the front side of the inside of the supporting frame 401, a driving worm 403 is rotatably disposed at the rear side of the inside of the supporting frame 401, a driving motor 404 is disposed at the rear side of the bottom of the supporting frame 401, a connecting rod 405 is rotatably disposed at the front side of the left side of the supporting frame 401, a limiting block 406 is disposed at the left end of the connecting rod 405, a first rotating block 407 is sleeved at the left side of the outer wall of the connecting rod 405, a second rotating block 408 is sleeved at the right side of the outer wall of the connecting rod 405, a fixing block 409 is rotatably disposed in the middle of the outer wall of the connecting rod 405, and a protecting block 410 is disposed between the bottoms of the first rotating block 407 and the second rotating block 408.

Wherein, the left surface of carriage 401 and the right flank fixed connection of lifting hook body 1, the upper end of fixed block 409 and the bottom fixed connection of connecting block 2, the lower extreme of fixed block 409 is connected with lifting hook body 1, drive worm wheel 402 and drive worm 403's connected mode is the meshing connection, can drive worm wheel 402 and rotate when driving worm 403 rotates, drive motor 404's drive end is connected with drive worm wheel 402's bottom through the connecting axle, connecting rod 405's right-hand member is connected with drive worm wheel 402, through set up anti-falling subassembly 4 on the hoist lifting hook anti-falling device, operation drive motor 404 can drive worm 403 and rotate, drive worm wheel 403 rotates when rotating, drive worm wheel 402 rotates, thereby can drive protection piece 410 and rotate under the cooperation of first rotation piece 407 and second rotation piece 408, when article is hung on lifting hook body 1, can protect the article through protection piece 410, thereby can avoid article to fall, and safety is higher, and whole device simple structure, and convenient operation and practicality are higher.

The working flow of the utility model is as follows: when the crane hook anti-falling device is used, the driving motor 404 is operated to drive the driving worm 403 to rotate, and the driving worm 403 is connected with the driving worm wheel 402 in a meshing manner, so that the driving worm 403 drives the driving worm wheel 402 to rotate when rotating, the driving worm wheel 402 drives the connecting rod 405 to rotate when rotating, the connecting rod 405 drives the first rotating block 407 and the second rotating block 408 to rotate respectively when rotating, so that the protection block 410 is driven to rotate under the cooperation of the first rotating block 407 and the second rotating block 408, when an article is hung on the hook body 1, the protection block 410 can protect the article, thereby preventing the article from falling, and the crane hook anti-falling device is convenient to use, high in safety, simple in structure, convenient to operate and high in practicability.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hoist lifting hook anti-falling device, includes lifting hook body (1), its characterized in that: the lifting hook comprises a lifting hook body (1), and is characterized in that a connecting block (2) is arranged at the upper end of the lifting hook body (1), a connecting ring (3) is arranged at the upper end of the connecting block (2), and a falling prevention assembly (4) is arranged at the front side of the lifting hook body (1);

The anti-falling assembly (4) comprises a supporting frame (401), a driving worm wheel (402) is arranged on the front side of the inside of the supporting frame (401) in a rotating mode, a driving worm (403) is arranged on the rear side of the inside of the supporting frame (401) in a rotating mode, a driving motor (404) is arranged on the rear side of the bottom of the supporting frame (401), a connecting rod (405) is arranged on the front side of the left side face of the supporting frame (401) in a rotating mode, a limiting block (406) is arranged at the left end of the connecting rod (405), a first rotating block (407) is sleeved on the left side of the outer wall of the connecting rod (405), a second rotating block (408) is sleeved on the right side of the outer wall of the connecting rod (405), a fixing block (409) is arranged on the middle of the outer wall of the connecting rod (405), and a protecting block (410) is arranged between the bottoms of the first rotating block (407) and the second rotating block (408).

2. The crane hook fall protection device of claim 1, wherein: the left side face of the supporting frame (401) is fixedly connected with the right side face of the lifting hook body (1).

3. The crane hook fall protection device of claim 1, wherein: the upper end of the fixed block (409) is fixedly connected with the bottom of the connecting block (2), and the lower end of the fixed block (409) is connected with the lifting hook body (1).

4. The crane hook fall protection device of claim 1, wherein: the driving worm wheel (402) and the driving worm (403) are connected in a meshed mode.

5. The crane hook fall protection device of claim 1, wherein: the driving end of the driving motor (404) is connected with the bottom of the driving worm (403) through a connecting shaft.

6. The crane hook fall protection device of claim 1, wherein: the right end of the connecting rod (405) is connected with the driving worm wheel (402).