CN219636718U

CN219636718U - Lifting hook capable of flexibly rotating at multiple angles

Info

Publication number: CN219636718U
Application number: CN202320596423.9U
Authority: CN
Inventors: 梅婧岚; 陈慧川; 赵炎; 严华; 崔鹏利
Original assignee: China Nuclear Industry Mechanical Engineering Co ltd
Current assignee: China Nuclear Industry Mechanical Engineering Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-09-05
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a lifting hook capable of flexibly rotating at multiple angles, which comprises a pulley block connecting assembly, an upper structure and a lower structure, wherein the upper structure is rotationally connected with the pulley block connecting assembly, the lower structure is movably connected with the upper structure, and the lower structure is provided with a lifting hook; the lifting hook capable of flexibly rotating at multiple angles mainly comprises an upper part and a lower part, wherein a pin shaft hole on the upper structure of the lifting hook is connected with a pulley block connecting assembly, and then is connected to a crane pulley block, the lower end of the lifting hook is connected with the lower structure of the lifting hook, after the upper structure and the lower structure of the lifting hook are combined, the lifting hook can rotate at multiple angles, the rotation is flexible and unlimited, excessive abrasion between the lifting hook and the connecting part is avoided, and the multi-angle rotation function of the lifting hook is met.

Description

Lifting hook capable of flexibly rotating at multiple angles

Technical Field

The utility model relates to the technical field of lifting hooks, in particular to a lifting hook capable of flexibly rotating at multiple angles.

Background

At present, a lifting hook is lifted by a crane in the industries of nuclear power, petrochemical industry, coal chemical industry, metallurgy and the like, the angle of the lifting hook is limited due to the structural limitation, and the lifting hook and the lifting sling are easy to clamp and are limited in operation in the processes of hanging and picking the lifting sling;

in the structure of the double flukes, the equipment is provided with a plurality of hanging points, the flukes are stressed vertically, so that the surfaces of the flukes pin shafts and the flukes and the connecting structure are easy to wear, and the service lives of the lifting hooks and the pin shafts are influenced;

according to the lifting hook capable of flexibly rotating at multiple angles, the lifting hook can rotate at multiple angles without blocking, and the flexibility of the lifting hook is higher.

Disclosure of Invention

The utility model aims to provide a lifting hook capable of flexibly rotating at multiple angles so as to overcome the defects in the prior art.

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

the utility model discloses a lifting hook capable of flexibly rotating at multiple angles, which comprises a pulley block connecting assembly, an upper structure and a lower structure, wherein the upper structure is rotationally connected with the pulley block connecting assembly, the lower structure is movably connected with the upper structure, and the lower structure is provided with a lifting hook.

Preferably, the pulley block connecting assembly comprises two triangular plates and a plurality of pin shafts, wherein the pin shafts are rotatably connected between the triangular plates, and the pin shafts are rotatably connected with the upper structure.

Preferably, the upper structure comprises a connecting cylinder, a connecting hole is formed in the connecting cylinder, the upper structure is rotationally connected with the pulley block connecting assembly through the connecting hole, a movable hole is formed in one end, close to the lower structure, of the connecting cylinder, a limiting structure is arranged on the movable hole, and the connecting cylinder is movably connected with the lower structure through the movable hole.

Preferably, the movable hole is a hemispherical hole, and a limiting ring is arranged at the position, close to the opening, of the movable hole.

Preferably, the lower structure comprises a connecting rod, a movable head is arranged at one end of the connecting rod, facing the upper structure, of the connecting rod, the movable head is of a spherical-tip cone-shaped structure, the movable head is located in the movable hole and is movably connected in the movable hole, and the movable head of the lower structure can be limited in the movable hole through the structural design of the limiting ring, so that the connection stability is guaranteed.

Preferably, a hook is provided at an end of the lower structure remote from the upper structure, the hook comprising one of a single-sided hook and a multi-sided hook.

The utility model has the beneficial effects that:

(1) But the flexible rotation lifting hook of multi-angle mainly has upper and lower two parts constitution, and the pin shaft hole on the upper portion structure of lifting hook is connected with assembly pulley connection, and then is connected to the hoist assembly pulley, and the lower extreme is connected with the lower part structure of lifting hook, and the lower part structure combination back on the lifting hook can realize the lifting hook multi-angle and rotate, rotates nimble unlimited, avoids lifting hook and connecting portion to produce excessive wearing and tearing, satisfies the multi-angle rotation function of lifting hook.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic plan view of a multi-angle flexible rotatable lifting hook of the present utility model;

FIG. 2 is a schematic plan view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model;

FIG. 4 is a schematic perspective view of the superstructure of the present utility model;

FIG. 5 is a schematic cross-sectional plan view of the superstructure of the present utility model;

FIG. 6 is a schematic perspective view of the lower structure of the present utility model;

in the figure: 1. the pulley block connecting assembly; 101. a triangle; 102. a pin shaft; 2. a superstructure; 201. a connecting cylinder; 202. a connection hole; 203. a movable hole; 204. a limiting ring; 3. a lower structure; 301. a connecting rod; 302. a lifting hook; 303. a movable head.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Referring to fig. 1-3, an embodiment of the present utility model provides a lifting hook capable of flexibly rotating at multiple angles, which comprises a pulley block connecting assembly 1, an upper structure 2 and a lower structure 3, wherein the upper structure 2 is rotationally connected with the pulley block connecting assembly 1, the lower structure 3 is movably connected with the upper structure 2, the lower structure 3 is provided with a lifting hook 302, and the lower structure 3 can rotate at multiple angles through the movable connection of the upper structure 2 and the lower structure 3, so that the movable range of the lower structure 3 is improved.

The pulley block connecting assembly 1 comprises two triangular plates 101 and a plurality of pin shafts 102, the pin shafts 102 are rotationally connected between the triangular plates 101, the pin shafts 102 are rotationally connected with the upper structure 2, and the upper structure 2 can be rotated randomly through the structural design of the pin shafts 102 and the upper structure 2, so that the movable range is further improved.

Referring to fig. 4 and 5, the upper structure 2 includes a connecting cylinder 201, a connecting hole 202 is formed in the connecting cylinder 201, the upper structure 2 is rotatably connected with the pulley block connecting assembly 1 through the connecting hole 202, a movable hole 203 is formed at one end of the connecting cylinder 201, which is close to the lower structure 3, the movable hole 203 is provided with a limiting structure, and the connecting cylinder 201 is movably connected with the lower structure 3 through the movable hole 203.

The movable hole 203 is a hemispherical hole, and a limiting ring 204 is arranged at the position, close to the opening, of the movable hole 203.

Referring to fig. 6, the lower structure 3 includes a connecting rod 301, a movable head 303 is disposed at one end of the connecting rod 301 facing the upper structure 2, the movable head 303 is in a cone-shaped structure, the movable head 303 is located in the movable hole 203, the movable head 303 is movably connected in the movable hole 203, and the movable head 303 of the lower structure 3 can be limited in the movable hole 203 through the structural design of the limiting ring 204, so as to ensure the connection stability.

The end of the lower structure 3 remote from the upper structure 2 is provided with a hook 302, the hook 302 comprising one of a single-sided hook and a multi-sided hook.

The working process of the utility model comprises the following steps:

according to the multi-angle flexible rotary lifting hook, when the multi-angle flexible rotary lifting hook is used, a heavy object is hung on the lifting hook 302, the lifting hook 302 device is driven to move along with the operation of a crane, the upper structure 2 is further driven to move, and along with the movement of various angles, the upper structure 2 is rotationally connected with the pulley block connecting assembly 1, so that stable linkage is maintained;

meanwhile, the lower part structure 3 and the upper part structure 2 are connected through the ball head of the movable head 303 in the movable hole 203, and the flexible rotation is always kept.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims

1. But flexible rotation lifting hook of multi-angle, its characterized in that: the novel pulley block comprises a pulley block connecting assembly (1), an upper structure (2) and a lower structure (3), wherein the upper structure (2) is rotationally connected with the pulley block connecting assembly (1), the lower structure (3) is movably connected with the upper structure (2), and a lifting hook (302) is arranged on the lower structure (3).

2. A multi-angle flexible rotatable lifting hook as defined in claim 1, wherein: the pulley block connecting assembly (1) comprises two triangular plates (101) and a plurality of pin shafts (102), the pin shafts (102) are rotationally connected between the triangular plates (101), and the pin shafts (102) are rotationally connected with the upper structure (2).

3. A multi-angle flexible rotatable lifting hook as defined in claim 1, wherein: the upper structure (2) comprises a connecting cylinder (201), a connecting hole (202) is formed in the connecting cylinder (201), the upper structure (2) is rotationally connected with the pulley block connecting assembly (1) through the connecting hole (202), the connecting cylinder (201) is close to one end of the lower structure (3) and provided with a movable hole (203), a limiting structure is arranged on the movable hole (203), and the connecting cylinder (201) is movably connected with the lower structure (3) through the movable hole (203).

4. A multi-angle flexible rotatable lifting hook as defined in claim 3, wherein: the movable hole (203) is a hemispherical hole, and a limiting ring (204) is arranged at the position, close to the opening, of the movable hole (203).

5. A multi-angle flexible rotatable lifting hook as defined in claim 4, wherein: the lower structure (3) comprises a connecting rod (301), the connecting rod (301) faces to one end of the upper structure (2) and is provided with a movable head (303), the movable head (303) is of a spherical tip cone structure, the movable head (303) is located in the movable hole (203), the movable head (303) is movably connected in the movable hole (203), and the movable head (303) of the lower structure (3) can be limited in the movable hole (203) through the structural design of the limiting ring (204) so as to ensure the stability of connection.

6. A multi-angle flexible rotatable lifting hook as defined in claim 1, wherein: one end of the lower structure (3) far away from the upper structure (2) is provided with a lifting hook (302), and the lifting hook (302) comprises one of a single-sided lifting hook and a multi-sided lifting hook.