CN215886030U

CN215886030U - Crane anti-drop hook

Info

Publication number: CN215886030U
Application number: CN202121992554.6U
Authority: CN
Inventors: 王晨; 张新伙
Original assignee: Shanghai Jindiao Hoisting Machinery Co ltd
Current assignee: Shanghai Jindiao Hoisting Machinery Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-22
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses an anti-falling hook of a crane, which comprises a fixed hook, wherein the fixed hook is provided with a limiting piece in a sliding manner, the fixed hook is provided with a locking piece in a sliding manner, the locking piece is provided with an elastic piece, and the elastic piece connects the locking piece with the fixed hook; the limiting piece comprises a limiting rod, a positioning block is arranged at the other end of the limiting rod, and a positioning groove is formed in the positioning block; the locking piece comprises a sliding frame, a supporting shaft is rotatably arranged on the sliding frame, and a connecting rod frame is arranged on the supporting shaft; the fixed hook comprises a hook body, a limiting groove is formed in the hook body, a guide hole is formed in the limiting groove in a communicated mode, an anti-falling groove is formed in the guide hole in a communicated mode, a matching hole is formed in the hook body, and a sliding connecting hole is formed in the hook body. The anti-drop hook is convenient to operate, effectively limits hung objects, avoids falling off during transfer or other operations, protects the personal safety of operators, and is safe and stable because the limiting piece is matched with the fixed hook to form a closed area.

Description

Crane anti-drop hook

Technical Field

The utility model relates to an anti-falling mechanism, in particular to an anti-falling hook of a crane.

Background

Along with the development of society, the machine plays an increasingly important role in daily life and production of people, and because of the convenience and accuracy of the machine, a large amount of manpower and financial resources are saved, and then hoisting equipment for hoisting large-scale machines is also developed and becomes an indispensable component. The traditional anti-drop hook is an open type hook, and is easy to cause unhooking when goods are hung and taken, so that safety accidents are caused, and personal safety of workers is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-falling hook of a crane, which is characterized in that an object to be transferred is hung on a hook body, a limiting rod is pushed to be inserted into a matching hole, a connecting rod frame is rotated and pulled to enable the connecting rod frame to fasten a positioning groove, and the anti-falling hook is pulled tightly under the action of an elastic piece to finish limiting. The anti-drop hook is convenient to operate, effectively limits hung objects, avoids falling off during transfer or other operations, protects the personal safety of operators, and is safe and stable because the limiting piece is matched with the fixed hook to form a closed area.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a hoist anticreep couple, anticreep couple includes the fixed hook, be equipped with on the fixed hook and slide and be equipped with the locating part, slide on the fixed hook and be equipped with the retaining member, be equipped with the elastic component on the retaining member, the elastic component is connected retaining member and fixed hook.

The locating part includes the gag lever post, and the other end of gag lever post is equipped with the locating piece, is equipped with the constant head tank on the locating piece.

The retaining member includes the carriage, rotates on the carriage to be equipped with the back shaft, is equipped with the connecting rod frame on the back shaft.

Further, the fixed hook comprises a hook body, a limiting groove is formed in the hook body, a guide hole is formed in the limiting groove in a communicated mode, an anti-falling groove is formed in the guide hole in a communicated mode, a matching hole is formed in the hook body, a sliding connecting hole is formed in the hook body, a positioning hole is formed in the sliding connecting hole, and a fixing plate is arranged on the hook body.

Furthermore, one end of the limiting rod is provided with a limiting block, the limiting block is matched with the limiting groove, the limiting rod is in sliding fit with the guide hole, the positioning block is matched with the anti-falling groove, and the positioning block is matched with the matching hole.

Further, one side surface of the positioning block and one side surface of the limiting rod are kept on the same plane.

Furthermore, a sliding block is arranged on the sliding frame, one end of the elastic piece is fixedly connected with the sliding frame, and the other end of the elastic piece is fixedly connected with the fixed plate.

The utility model has the beneficial effects that:

the anti-falling hook is convenient to operate, effectively limits hung objects, avoids falling off during transfer or other operations, protects the personal safety of operators, is safe and stable, has a simple structure and is suitable for practical use, and the limiting part is matched with the fixed hook to form a closed area.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the anti-dropping hook structure of the present invention;

FIG. 2 is a cross-sectional view of the anti-drop hook of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic view of a position limiting member according to the present invention;

fig. 5 is a schematic view of the retaining member of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

An anti-drop hook of a crane comprises a fixed hook 1, and as shown in figure 1, a limiting part 2 is arranged on the fixed hook 1 in a sliding mode.

The fixing hook 1 comprises a hook body 11, as shown in fig. 1, 2 and 3, a limiting groove 12 is arranged on the hook body 11, a guide hole 13 is arranged on the limiting groove 12 in a communicating mode, a drop-proof groove 14 is arranged on the guide hole 13 in a communicating mode, a matching hole 15 is arranged on the hook body 11, a sliding connecting hole 16 is arranged on the hook body 11, a positioning hole 17 is arranged on the sliding connecting hole 16, and a fixing plate 18 is arranged on the hook body 11.

Embodiment 2 is arranged on the basis of embodiment 1, and comprises a locking part 3 and an elastic part 4, as shown in fig. 1, the locking part 3 is arranged on the fixing hook 1 in a sliding manner, the elastic part 4 is arranged on the locking part 3, and the locking part 3 is connected with the fixing hook 1 by the elastic part 4.

The limiting part 2 comprises a limiting rod 21, as shown in fig. 4, one end of the limiting rod 21 is provided with a limiting block 22, the other end of the limiting rod 21 is provided with a positioning block 23, one side surface of the positioning block 23 and one side surface of the limiting rod 21 are kept on the same plane, the positioning block 23 is provided with a positioning groove 24, the limiting block 22 is matched with the limiting groove 12, the limiting rod 21 is in sliding fit with the guide hole 13, the positioning block 23 is matched with the anti-falling groove 14, the positioning block 23 is matched with the matching hole 15, the limiting rod 21 is inserted into the matching hole 15 through the guide of the guide hole 13, so that the hook body 11 is in a closed state, and a limiting effect is achieved.

The locking member 3 includes a sliding frame 31, as shown in fig. 5, a sliding block 32 is disposed on the sliding frame 31, a supporting shaft 33 is rotatably disposed on the sliding frame 31, a connecting rod frame 34 is disposed on the supporting shaft 33, one end of the elastic member 4 is fixedly connected to the sliding frame 31, and the other end of the elastic member is fixedly connected to the fixing plate 18, and the limiting member 2 is fixed in a limiting manner by the cooperation of the connecting rod frame 34 and the positioning groove 24, so that the fixing hook 1 is closed.

During the use, will wait to shift the article and hang on hook body 11, push gag lever post 21 and insert in mating holes 15, rotate and pull connecting rod rest 34, make connecting rod rest 34 fasten constant head tank 24, draw tight anti-drop under the elastic component 4 effort, accomplish spacing. The anti-drop hook is convenient to operate, effectively limits hung objects, avoids falling off during transfer or other operations, protects the personal safety of operators, and is safe and stable because the limiting piece is matched with the fixed hook to form a closed area.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The anti-drop hook of the crane comprises a fixed hook (1), and is characterized in that a limiting part (2) is arranged on the fixed hook (1) in a sliding manner, a locking part (3) is arranged on the fixed hook (1) in a sliding manner, an elastic part (4) is arranged on the locking part (3), and the locking part (3) is connected with the fixed hook (1) by the elastic part (4);

the limiting piece (2) comprises a limiting rod (21), a positioning block (23) is arranged at the other end of the limiting rod (21), and a positioning groove (24) is formed in the positioning block (23);

retaining member (3) are including carriage (31), rotate on carriage (31) and are equipped with back shaft (33), are equipped with connecting rod frame (34) on back shaft (33).

2. The crane anti-drop hook according to claim 1, wherein the fixed hook (1) comprises a hook body (11), the hook body (11) is provided with a limiting groove (12), the limiting groove (12) is provided with a guide hole (13) in a communicating manner, the guide hole (13) is provided with an anti-drop groove (14) in a communicating manner, the hook body (11) is provided with a matching hole (15), the hook body (11) is provided with a sliding connection hole (16), the sliding connection hole (16) is provided with a positioning hole (17), and the hook body (11) is provided with a fixing plate (18).

3. The crane anti-drop hook as claimed in claim 2, wherein one end of the limiting rod (21) is provided with a limiting block (22), the limiting block (22) is matched with the limiting groove (12), the limiting rod (21) is in sliding fit with the guide hole (13), the positioning block (23) is matched with the anti-drop groove (14), and the positioning block (23) is matched with the matching hole (15).

4. The crane anti-dropping hook as claimed in claim 3, wherein one side of the locating block (23) and one side of the limiting rod (21) are kept on the same plane.

5. The crane anti-drop hook as claimed in claim 2, wherein the sliding frame (31) is provided with a sliding block (32), one end of the elastic member (4) is fixedly connected with the sliding frame (31), and the other end is fixedly connected with the fixed plate (18).