CN218809887U

CN218809887U - Self-locking type lifting hook

Info

Publication number: CN218809887U
Application number: CN202320125159.0U
Authority: CN
Inventors: 李恒胜
Original assignee: Xinxiang Hengsheng Lifting Machinery Co ltd
Current assignee: Xinxiang Hengsheng Lifting Machinery Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-04-07
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses a from locking-type lifting hook, including suspension buckle and lifting hook, the fixed lifting hook that is provided with in suspension buckle bottom, the top run-through of lifting hook is provided with the axis of rotation, the fixed jam plate that is provided with in the axis of rotation outside, the jam plate deviates from lifting hook open-ended one side and has seted up the spout, movable joint has slider one in the spout, be provided with the holding tank on the lifting hook, the holding tank internal fixation is provided with spring one, the fixed connecting plate that is provided with of the other end of spring one, the articulated setting of opposite side of connecting plate is on slider one, the inside slidingtype of lifting hook is provided with the movable plate, be provided with spring two between movable plate and the lifting hook bottom, the bottom of movable plate is provided with the wire rope that is connected with the jam plate that is used for driving the jam plate motion, the fixed touching piece that supports that is provided with in lifting hook bottom, realized utilizing handling object self gravity to unblock and locking, need not human intervention, the closure is stable, prevent the object unhook, and high safety performance.

Description

Self-locking type lifting hook

Technical Field

The utility model relates to a hoist technical field specifically is a from locking-type lifting hook.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, also called as a crown block, a gantry crane and a crane, wherein a crane hook is an essential component in the crane, when the crane lifts heavy objects, if the descending speed of the hook is too high or the hook is emergently started and braked, the lifted objects are unstable, the hook is easy to swing in the air, the hook head is easy to cause the accident of unhooking of the heavy objects due to the action of inertia force in the swinging process, the life safety of workers is directly threatened, therefore, the hook and the objects need to be locked, the objects are prevented from falling off from the hook in the transferring process, the existing self-locking hoisting hook generally cannot be unlocked and locked by utilizing the gravity of the lifted objects, but needs to be locked and unlocked by using an electric driving piece or manpower, and is complicated in operation and wastes manpower.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide one kind from locking-type lifting hook, utilize handling object self gravity to carry out unblock and locking, reduce the loss, easy operation practices thrift the manpower. The problems in the background art can be effectively solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from locking-type lifting hook, including suspension clasp and lifting hook, the fixed lifting hook that is provided with in suspension clasp bottom, the top run-through type of lifting hook is provided with the axis of rotation, the fixed jam plate that is provided with in the axis of rotation outside, the spout has been seted up to jam plate deviating from lifting hook open-ended one side, movable joint has slider one in the spout, be provided with the holding tank on the lifting hook, the holding tank internal fixation is provided with spring one, the fixed connecting plate that is provided with of the other end of spring one, the articulated setting on slider one of opposite side of connecting plate, the inside slidingtype of lifting hook is provided with the movable plate, be provided with spring two between movable plate and the lifting hook bottom, the bottom of movable plate is provided with the wire rope that is connected with the jam plate that is used for driving the jam plate motion, the fixed feeler that supports in lifting hook bottom has realized utilizing handling object self gravity to unblock and locking, the closure is stable, prevent that the object from unhooking, high safety performance.

Furthermore, the contact block is fixedly provided with a cushion pad, so that the hook body is protected and the stability during hoisting operation is improved.

Further, the hook body of lifting hook is inside to be fixed and to be provided with a plurality of fixed pulleys, and wire rope passes blotter, conflict piece in proper order and walks around fixed pulley and jam plate fixed connection, reduces the frictional force of wire rope and lifting hook, thereby avoids wire rope to twine externally and kno and influence the hoist and mount operation.

Furthermore, the moving plate is connected with the lifting hook in a sliding mode through the second sliding block, and friction force between the moving plate and the lifting hook 2 is reduced.

Furthermore, the end part of the lifting hook is provided with a clamping groove which is matched with the end part of the locking plate and used for clamping the locking plate, so that the stability during locking is improved.

Furthermore, the position that wire rope passed the lifting hook top corresponds and has seted up the notch, avoids wire rope and lifting hook to produce frictional force.

Furthermore, the holding tank internal fixation is provided with spacing section of thick bamboo, and spacing cover establishes with the surface of spring one, the direction of restriction spring one shrink or extension.

Furthermore, the springs II are arranged in a plurality and are symmetrically arranged relative to the center line of the moving plate, so that the moving plate is prevented from being deviated to one side and falling off when an object abuts against the moving plate.

Compared with the prior art, the beneficial effects of the utility model are that: a self-locking lifting hook having the following benefits:

1. when the object is lifted, the movable plate is stressed to move downwards, the second spring is stressed to compress, when the movable plate is in contact with the abutting block, the steel wire rope cancels the pulling force on the locking plate, meanwhile, the locking plate moves towards the direction of the opening of the lifting hook by taking the rotating shaft as the circle center under the resetting force of the first spring, the end part of the locking plate is clamped into the clamping groove, the automatic locking of the lifting hook is realized, when the object is supported, the movable plate moves upwards under the resetting force of the second spring, meanwhile, the movable plate pulls the locking plate to move backwards towards the opening of the lifting hook by taking the rotating shaft as the circle center through the steel wire rope, the lifting hook is automatically unlocked at the moment, the self gravity of the lifted object is utilized to unlock and lock, the whole process does not need manual operation, the additional loss is reduced, and the manpower is saved.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure A of the present invention;

FIG. 3 is a diagram illustrating a locking state of the structure of the present invention;

fig. 4 is a right side view of the structure of the present invention.

In the figure: 1 suspension clasp, 2 lifting hooks, 3 rotating shafts, 4 locking plates, 5 sliding grooves, 6 clamping grooves, 7 moving plates, 8 sliding blocks II, 9 spring II, 10 buffer pads, 11 abutting blocks, 12 fixed pulleys, 13 steel wire ropes, 14 accommodating grooves, 15 limiting cylinders, 16 spring I, 17 sliding blocks I and 18 connecting plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a self-locking type hoisting hook comprises a hanging buckle 1 and a hook 2, wherein the bottom of the hanging buckle 1 is fixedly provided with the hook 2, a rotating shaft 3 is arranged above the hook 2 in a penetrating manner, the outer side of the rotating shaft 3 is fixedly provided with a locking plate 4 which plays a role of locking the hook 2, one side, away from an opening of the hook 2, of the locking plate 4 is provided with a sliding groove 5, a first sliding block 17 is movably clamped in the sliding groove 5, the hook 2 is provided with an accommodating groove 14, the accommodating groove 14 is internally and fixedly provided with a limiting cylinder 15 and a first spring 16, the locking plate 4 can be locked on the hook 2 by the resetting force of the first spring 16, the limiting cylinder 15 is covered with the outer surface of the first spring 16, the limiting cylinder 15 is used for limiting the contraction or extension direction of the first spring 16, the other end of the first spring 16 is fixedly provided with a connecting plate 18, the other side of the connecting plate 18 is hinged on the first sliding block 17, the change of the included angle between the first spring 16 and the locking plate 4 is convenient, the movable plate 7 is arranged in the inner sliding mode of the lifting hook 2, the second spring 9 is arranged between the bottom of the movable plate 7 and the bottom of the lifting hook 2, the second spring 9 is provided with a plurality of springs, the second spring 9 is symmetrically arranged about the central line of the movable plate 7, when a lifting object is placed on the ground, the restoring force of the second spring 9 can drive the steel wire rope 13 to move through the movable plate 7, the locking plate 4 is pulled to the left side by the steel wire rope 13, automatic unlocking of the lifting hook 2 is achieved, the steel wire rope 13 which is used for driving the locking plate 4 to move and is connected with the locking plate 4 is arranged at the bottom of the movable plate 7, the effect of unlocking the lifting hook 2 is achieved, the abutting block 11 is fixedly arranged at the bottom of the lifting hook 2, the effect of the second spring 9 is achieved, the cushion 10 is fixedly arranged on the abutting block 11, and the stability during lifting operation is improved while the hook body is protected.

Specifically, the hook body of lifting hook 2 is inside to be fixed and to be provided with a plurality of fixed pulleys 12, reduce the frictional force of wire rope 13 and hook body, wire rope 13 passes blotter 10 in proper order, conflict piece 11 and walk around fixed pulley 12 and jam plate 4 fixed connection, avoid wire rope 13 to twine externally and tie a knot and influence hoist and mount operation, wire rope 13 passes the position that hook 2 top corresponds and has seted up the notch, because jam plate 4 uses axis of rotation 3 to move as the centre of a circle, wire rope 13 also is changing with the contained angle of jam plate 4, set up the notch and can avoid wire rope 13 to produce the friction with the hook body when jam plate 4 moves, thereby reduce the load of spring 16, ensure that the tip of jam plate 4 gets into draw-in groove 6, certainly in this embodiment, the hole groove that holds fixed pulley 12 and supply wire rope 13 to pass is seted up to the inside of lifting hook 2, corresponding blotter 10, conflict piece 11 also sets up the hole groove that supplies wire rope 13 to pass.

Specifically, the moving plate 7 is connected with the lifting hook 2 in a sliding mode through the second sliding block 8, friction force between the moving plate 7 and the lifting hook 2 is reduced, load of the second spring 9 during rebounding is reduced, and automatic unlocking of the locking plate 4 is guaranteed to be driven through the steel wire rope 13.

Specifically, the end of the lifting hook 2 is provided with a clamping groove 6 which is matched with the end of the locking plate 4 and used for clamping the locking plate 4, so that the locking plate 4 and the lifting hook 2 are clamped conveniently during locking, and the locking stability is improved.

The utility model provides a pair of from locking-type lifting hook's theory of operation as follows: when the lifting hook 1 is in an open state, namely, an object is hung on the lifting hook 2 when being lifted, when the lifting hook 2 moves upwards, the object is pressed downwards by gravity to press the moving plate 7 to drive the spring 2 to be compressed under stress, when the moving plate 7 is in contact with the contact block 11, the steel wire rope 13 cancels tension on the locking plate 4, the locking plate 4 moves towards the opening direction of the lifting hook 2 by taking the rotating shaft 3 as the center of a circle under the action of the reset force of the spring 16, so that the end part of the locking plate 4 is clamped into the clamping groove 6, the lifting hook 2 is automatically locked, when the lifted object is supported, the moving plate 7 moves upwards by the reset force of the spring two 9, meanwhile, the moving plate 7 redraws the locking plate 4 to move backwards towards the opening direction of the lifting hook 2 by taking the rotating shaft 3 as the center of a circle through the steel wire rope 13, the lifting hook 2 is automatically unlocked, the object is unlocked and locked by utilizing the self gravity of the object, manual operation is not needed, the loss is reduced, the loss is saved, when the lifting hook 1 is lifted, the lifting hook 7 is always pressed, the object is not easy to safely lifted and the lifting hook 2 is not easy to lift.

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

Claims

1. The utility model provides a from locking-type lifting hook, includes lifting buckle (1) and lifting hook (2), its characterized in that: the lifting buckle is characterized in that a lifting hook (2) is fixedly arranged at the bottom of the lifting buckle (1), a rotating shaft (3) is arranged in a penetrating mode above the lifting hook (2), a locking plate (4) is fixedly arranged on the outer side of the rotating shaft (3), a sliding groove (5) is formed in one side, deviating from the opening of the lifting hook (2), of the locking plate (4), a first sliding block (17) is movably connected in the sliding groove (5), an accommodating groove (14) is formed in the lifting hook (2), a first spring (16) is fixedly arranged in the accommodating groove (14), a connecting plate (18) is fixedly arranged at the other end of the first spring (16), the other side of the connecting plate (18) is hinged to the first sliding block (17), a sliding type moving plate (7) is arranged inside the lifting hook (2), a second spring (9) is arranged between the bottom of the moving plate (7) and the lifting hook (2), a steel wire rope (13) which is used for driving the locking plate (4) to move is arranged at the bottom of the lifting hook (2), and a contact block (11) is fixedly arranged at the bottom of the lifting hook (2).

2. A self-locking lifting hook according to claim 1, characterised in that: and a buffer pad (10) is fixedly arranged on the contact block (11).

3. A self-locking lifting hook according to claim 2, characterised in that: a plurality of fixed pulleys (12) are fixedly arranged inside the hook body of the lifting hook (2), and a steel wire rope (13) sequentially penetrates through the cushion pad (10) and the collision block (11) and bypasses the fixed pulleys (12) to be fixedly connected with the locking plate (4).

4. A self-locking lifting hook according to claim 1, characterised in that: the moving plate (7) is connected with the lifting hook (2) in a sliding mode through a second sliding block (8).

5. A self-locking lifting hook according to claim 1, characterised in that: the end part of the lifting hook (2) is provided with a clamping groove (6) which is matched with the end part of the locking plate (4) and is used for clamping the locking plate (4).

6. A self-locking lifting hook (2) according to claim 1, characterised in that: the steel wire rope (13) penetrates through a corresponding position above the lifting hook (2) and is provided with a notch.

7. A self-locking lifting hook according to claim 1, characterised in that: the accommodating groove (14) is internally fixedly provided with a limiting cylinder (15), and the limiting cylinder (15) covers the outer surface of the first spring (16).

8. A self-locking lifting hook according to claim 1, characterised in that: the springs II (9) are arranged in a plurality, and the springs II (9) are symmetrically arranged relative to the central line of the moving plate (7).