CN220182555U

CN220182555U - Lifting hook

Info

Publication number: CN220182555U
Application number: CN202320169552.XU
Authority: CN
Inventors: 李国徽; 王登如; 牛春君
Original assignee: Shandong Lite Heavy Industry Machinery Co ltd
Current assignee: Shandong Lite Heavy Industry Machinery Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-12-15
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of engineering lifting appliances, and discloses a lifting hook, which comprises a lifting hook main body, wherein a self-locking mechanism is arranged at the rear side of the lifting hook main body; the self-locking mechanism comprises a supporting block fixed on the rear side of a lifting hook main body through a fixing pin, an electric push rod is bonded in the supporting block, the electric push rod completely penetrates through the supporting block, the output end of the electric push rod is welded with a self-locking block, the top of the hook tail of the lifting hook main body is welded with a connecting block, the connecting block is located under the self-locking block, and a self-locking groove matched with the self-locking block is formed in the connecting block. The firm high lifting hook can effectively prevent articles from sliding down from the lifting hook in the hanging process through the self-locking mechanism, can effectively avoid article damage or accidents, and effectively improves the practicability of the lifting hook. Through the buffer gear who sets up, the impact force that produces when can effectually buffering lifting hook place article.

Description

Lifting hook

Technical Field

The utility model relates to the technical field of engineering lifting appliances, in particular to a lifting hook.

Background

The lifting hook is an indispensable auxiliary tool in the crane. The lifting hook refers to a device for lifting a weight in a lifting machine, and the use of the lifting hook is involved in many industries.

The surface of the existing lifting hook is smooth, the lifting hook easily slides down from the lifting hook when articles shake in the hanging process, the lifting hook cannot be used for stably hanging articles, the articles are easy to damage after falling, safety accidents can occur, and the firmness of the lifting hook is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the lifting hook which has the advantages of good firmness, capability of buffering the impact force generated when the lifting hook is used for placing objects, capability of better protecting the hung objects and the like, and solves the existing problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lifting hook comprises a lifting hook main body, wherein a self-locking mechanism is arranged at the rear side of the lifting hook main body;

the self-locking mechanism comprises a supporting block fixed on the rear side of a lifting hook main body through a fixing pin, an electric push rod is bonded in the supporting block, the electric push rod completely penetrates through the supporting block, the output end of the electric push rod is welded with a self-locking block, the top of the hook tail of the lifting hook main body is welded with a connecting block, the connecting block is located under the self-locking block, and a self-locking groove matched with the self-locking block is formed in the connecting block.

Preferably, a pull rope is welded at the top of the lifting hook main body, the pull rope consists of an inner core rope strand and an outer layer rope strand, and the two rope strands are formed by twisting a plurality of steel wire ropes.

Preferably, a connecting frame is welded at the top of the pull rope, and a crane is welded at the top of the connecting frame.

Preferably, the bottom of the crane is detachably connected with a bottom plate through a mounting screw, the top of the bottom plate is provided with a buffer mechanism, and the buffer mechanism is located under the lifting hook main body.

Preferably, the buffer mechanism comprises a first buffer pad adhered to the top of the bottom plate, a buffer block and a spring are adhered to the top of the first buffer pad, the spring is close to the rear side of the buffer block, a damper is adhered to the top of the buffer block, a second buffer pad is adhered to the top of the damper, and a high-strength steel plate is adhered to the top of the second buffer pad.

Preferably, the number of the buffer blocks and the dampers is four, and the number of the springs is a plurality of springs.

In summary, the present utility model includes at least one of the following beneficial effects:

1. according to the lifting hook, through the self-locking mechanism, articles can be effectively prevented from sliding down from the lifting hook in the hanging process, articles can be effectively prevented from being damaged or accidents can be effectively avoided, and the practicability of the lifting hook is effectively improved. When articles are hung on the lifting hook, the electric push rod can be started, the self-locking block is driven to move downwards after the electric push rod is started, and the self-locking block is inserted into the self-locking groove formed in the connecting block on the tail of the lifting hook after moving downwards, so that the lifting hook is closed. Therefore, articles are prevented from sliding down from the lifting hook, and when the articles are taken in the later period, the electric push rod can be started again, so that the electric push rod drives the self-locking block to be pulled out from the self-locking groove, a notch of the lifting hook is opened, and the articles are conveniently taken by operators.

2. The lifting hook can effectively buffer impact force generated when articles are placed by the lifting hook through the buffer mechanism, and prevent damage phenomenon caused by overlarge potential energy received by some precise articles. When the lifting hook places article on high strength steel board, first blotter, buffer block, attenuator, spring and second blotter can take place deformation, the impact force that produces when deformation in-process absorption article falls to the ground to protect article.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a self-locking mechanism according to the present utility model;

fig. 3 is a schematic structural view of a buffer mechanism in the present utility model.

Wherein: 1. a hook body; 2. a self-locking mechanism; 3. a pull rope; 4. a connecting frame; 5. a crane; 6. a bottom plate; 7. a buffer mechanism; 21. a support block; 22. an electric push rod; 23. a self-locking block; 24. a connecting block; 25. a self-locking groove; 71. a first cushion pad; 72. a buffer block; 73. a damper; 74. a spring; 75. a second cushion pad; 76. high strength steel sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a lifting hook comprises a lifting hook main body 1, wherein a self-locking mechanism 2 is arranged at the rear side of the lifting hook main body 1; the top welding of lifting hook main part 1 has stay cord 3, and stay cord 3 comprises inner core strand, outer strand, and two strands are twisted by a plurality of wire rope and form, and two strands atress jointly, can the heavier article of bearing, further improves the fastness of lifting hook. The top welding of stay cord 3 has link 4, and the top welding of link 4 has hoist 5. The bottom of hoist 5 is connected with bottom plate 6 through the installation screw can dismantle, and the top of bottom plate 6 is provided with buffer gear 7, and buffer gear 7 is located the lifting hook main part 1 under.

As shown in fig. 2, the self-locking mechanism 2 comprises a supporting block 21 fixed at the rear side of the hook body 1 through a fixing pin, an electric push rod 22 is adhered to the inside of the supporting block 21, the electric push rod 22 completely penetrates through the supporting block 21, a self-locking block 23 is welded at the output end of the electric push rod 22, a connecting block 24 is welded at the top of the hook tail of the hook body 1, the connecting block 24 is located under the self-locking block 23, and a self-locking groove 25 matched with the self-locking block 23 is formed in the connecting block 24.

When the article is hung on the lifting hook, the electric push rod 22 can be started, the electric push rod 22 drives the self-locking block 23 to move downwards after being started, and the self-locking block 23 is inserted into the self-locking groove 25 formed in the connecting block 24 on the tail part of the lifting hook after moving downwards, so that the lifting hook is closed. Therefore, the articles are prevented from sliding down from the lifting hook, and when the articles are taken in the later period, the electric push rod 22 can be started again, so that the electric push rod 22 drives the self-locking block 23 to be pulled out of the self-locking groove 25, and the notch of the lifting hook is opened, thereby facilitating the operators to take the articles.

Through the self-locking mechanism 2, the articles can be effectively prevented from sliding down from the lifting hook in the hanging process, the articles can be effectively prevented from being damaged or accidents can be effectively avoided, and the practicability of the lifting hook is effectively improved.

As shown in fig. 3, the buffer mechanism 7 includes a first buffer pad 71 adhered to the top of the bottom plate 6, a buffer block 72 and springs 74 are adhered to the top of the first buffer pad 71, the springs 74 are close to the rear side of the buffer block 72, a damper 73 is adhered to the top of the buffer block 72, a second buffer pad 75 is adhered to the top of the damper 73, a high-strength steel plate 76 is adhered to the top of the second buffer pad 75, the number of the buffer block 72 and the damper 73 is four, and the number of the springs 74 is multiple.

When the hooks place the article on the high-strength steel plate 76, the first cushion pad 71, the cushion block 72, the damper 73, the spring 74 and the second cushion pad 75 are deformed, and impact force generated when the article falls to the ground is absorbed in the deformation process, thereby protecting the article.

Through the buffer gear 7 that sets up, the impact force that produces when can effectual buffering lifting hook place article, prevent that some accurate articles from receiving the too big phenomenon of damaging that appears of potential energy.

Standard parts used in the document of the utility model can be purchased from market, and can be customized according to the description of the specification and the drawing, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, and the machines, the parts and the equipment adopt conventional models in the prior art.

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. A lifting hook comprising a hook body (1), characterized in that: the rear side of the lifting hook main body (1) is provided with a self-locking mechanism (2);

the self-locking mechanism (2) comprises a supporting block (21) fixed on the rear side of a lifting hook main body (1) through a fixing pin, an electric push rod (22) is bonded in the supporting block (21), the electric push rod (22) completely penetrates through the supporting block (21), a self-locking block (23) is welded at the output end of the electric push rod (22), a connecting block (24) is welded at the top of the hook tail of the lifting hook main body (1), the connecting block (24) is located under the self-locking block (23), and a self-locking groove (25) matched with the self-locking block (23) is formed in the connecting block (24).

2. A lifting hook as claimed in claim 1, wherein: the top of the lifting hook main body (1) is welded with a pull rope (3), the pull rope (3) consists of an inner core rope strand and an outer layer rope strand, and the two rope strands are formed by twisting a plurality of steel wire ropes.

3. A hook as claimed in claim 2, wherein: the top welding of stay cord (3) has link (4), the top welding of link (4) has hoist (5).

4. A hook according to claim 3, wherein: the bottom of hoist (5) is connected with bottom plate (6) through the installation screw can be dismantled, the top of bottom plate (6) is provided with buffer gear (7), buffer gear (7) are located lifting hook main part (1) under.

5. A hook as claimed in claim 4, wherein: the buffer mechanism (7) comprises a first buffer pad (71) adhered to the top of the bottom plate (6), a buffer block (72) and a spring (74) are adhered to the top of the first buffer pad (71), the spring (74) is close to the rear side of the buffer block (72), a damper (73) is adhered to the top of the buffer block (72), a second buffer pad (75) is adhered to the top of the damper (73), and a high-strength steel plate (76) is adhered to the top of the second buffer pad (75).

6. A hook as claimed in claim 5, wherein: the number of the buffer blocks (72) and the dampers (73) is four, and the number of the springs (74) is a plurality of.