CN220502434U - Hook special for bridge crane - Google Patents

Abstract

The utility model relates to the technical field of crane hooks and discloses a special hook for a bridge crane, which comprises a hook body, wherein the upper end of the hook body is fixedly connected with a mounting ring, the left side surface of the hook body is provided with a rotating hole extending out of the right side surface of the hook body, the rotating hole is rotationally connected with a movable shaft, the left end and the right end of the movable shaft extend out of the left side surface and the right side surface of the movable shaft through the rotating hole, the movable shaft is provided with a safety mechanism, the safety mechanism comprises a fixed plate, the fixed plate is fixedly connected with the right end of the movable shaft, the outer surface of one side of the fixed plate, which is far away from the movable shaft, is fixedly connected with a limiting block, the lower surface of the limiting block is contacted with one end, which is far away from the fixed plate, of the hook body is driven by a rotating motor to perform self-locking and unlocking, manual pressing is not needed, the self-locking and unlocking can be performed automatically, the safety mechanism is more convenient while the labor is saved, and the practicability and the use experience of the hook are improved.

Description

Hook special for bridge crane

Technical Field

The utility model relates to the technical field of crane hooks, in particular to a special hook for a bridge crane.

Background

The bridge crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards. Because its both ends are seated on the high cement column or metal support, the shape is like a bridge, the bridge frame of bridge crane longitudinally moves along the track laid on the overhead frames at both sides, and the space below the bridge frame can be fully utilized to hoist materials, and is not hindered by ground equipment, and it is a lifting machine with the most extensive application range and the most quantity.

At present hoist couple is when using, and the material on the couple makes a round trip to rock, leads to the material to break away from the couple easily and causes the damage, for avoiding this kind of condition, can be provided with safety knot on the couple, but the safety mouth needs the manual work to press all the time at the in-process of taking down the material, and safety knot is automatic to be relieved when the material need be taken down, comparatively laborious and inconvenient to influence work efficiency, and then reduce the practicality and the use impression of couple.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the special hook for the bridge crane, which is provided with the advantages that the limiting block is driven to perform self-locking and self-locking removal through starting and closing of the rotating motor, the self-locking and self-locking removal can be performed automatically without manual pressing, the labor is saved, the work efficiency is improved, the practicability and the use experience of the hook are further improved, the like, the problem that the safety opening needs to be pressed all the time manually in the process of taking down the material, the safety buckle can not be automatically released when the material needs to be taken down, the labor is wasted and the work efficiency is influenced, and the practicability and the use experience of the hook are further reduced is solved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the special hook for the bridge crane comprises a hook body, wherein the upper end of the hook body is fixedly connected with a mounting ring;

wherein, the left side surface of the hook body is provided with a rotating hole extending out of the right side surface;

wherein, the rotation hole swivelling joint has the loose axle, and the left and right sides both ends of loose axle all extend the left and right sides surface of loose axle through the rotation hole, are provided with safety mechanism on the loose axle.

Preferably, the safety mechanism comprises a fixed plate, and the fixed plate is fixedly connected with the right end of the movable shaft;

wherein, one side surface fixed connection that the fixed plate kept away from the loose axle has the restriction piece, and the lower surface of restriction piece is contacted with the one end that the coupler body kept away from the fixed plate.

Preferably, the movable shaft is rotationally connected with the rotating hole through a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole, and the inner ring of the bearing is fixedly sleeved on the outer surface of the movable shaft.

Preferably, the left end of the movable shaft is fixedly sleeved with a worm;

the left side surface of the hook body is fixedly connected with a rotary motor, and a rotary output shaft of the rotary motor is fixedly connected with a worm;

wherein, worm wheel and worm meshing are connected.

Preferably, the inner wall fixedly connected with friction pad of the hook body, the left side surface fixedly connected with protective housing of the hook body.

Preferably, the hook body is provided with an electric storage box, and a storage battery is arranged in the electric storage box.

(III) beneficial effects

Compared with the prior art, the utility model provides the special hook for the bridge crane, which has the following beneficial effects:

1. this special couple of bridge crane starts and closes through the rotation motor and drive the restriction piece and carry out auto-lock and remove the auto-lock to the coupler body, need not artifical pressing, can auto-lock and remove the auto-lock voluntarily, when using manpower sparingly, it is more convenient, also improves work efficiency, and then improves the practicality and the use experience of couple.

2. This special couple of bridge crane, when the restriction piece rotates to being under the vertical state, can hang the material of lifting by crane on the coupler body this moment, and when the lower surface that the rotation motor drove the restriction piece and the coupler body kept away from the one end contact of fixed plate, the restriction piece was restricted the material of hanging by crane on the coupler body this moment, avoided hanging the material of lifting by crane and is rocked and drop, and then increase the stability and the security of couple, also avoided taking place economic loss.

3. This special couple of bridge crane, worm wheel and worm meshing have the auto-lock nature, so can only the worm drive worm wheel rotation in this scheme, and the worm wheel can't drive the worm and rotate, and then guarantees the stability and the security of limiting block auto-lock, and then improves the stability and the security of couple.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a special hook for a bridge crane;

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

FIG. 3 is a schematic view of the hook structure of the present utility model;

fig. 4 is an enlarged view at a of fig. 2.

In the figure: 1. a hook body; 2. a mounting ring; 3. a rotation hole; 4. a friction pad; 5. a movable shaft; 6. a worm wheel; 7. a rotary motor; 8. a worm; 9. a fixing plate; 10. a limiting block; 11. a protective shell; 12. and an electric storage box.

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. 1-4, the present utility model provides a new technical solution: a special hook for a bridge crane comprises a hook body 1, wherein the upper end of the hook body 1 is fixedly connected with a mounting ring 2;

wherein, the left side surface of the hook body 1 is provided with a rotating hole 3 extending out of the right side surface thereof;

wherein, the rotation hole 3 is connected with the loose axle 5 in a rotating way, the left and right ends of the loose axle 5 extend out of the left and right side surfaces of the loose axle 5 through the rotation hole 3, and the loose axle 5 is provided with a safety mechanism.

Further, the safety mechanism comprises a fixed plate 9, and the fixed plate 9 is fixedly connected with the right end of the movable shaft 5;

wherein, fixed plate 9 is kept away from the one side surface fixed connection of loose axle 5 and is limited the piece 10, and the lower surface of limiting the piece 10 and the one end contact of keeping away from fixed plate 9 of coupler body 1.

Further, the movable shaft 5 is rotationally connected with the rotating hole 3 through a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole 3, and the inner ring of the bearing is fixedly sleeved on the outer surface of the movable shaft 5;

further, the left end of the movable shaft 5 is fixedly sleeved with a worm 8;

the left side surface of the hook body 1 is fixedly connected with a rotary motor 7, and a rotary output shaft of the rotary motor 7 is fixedly connected with a worm 8;

wherein the worm wheel 6 is in meshed connection with the worm 8.

Further, the inner wall of the hook body 1 is fixedly connected with a friction pad 4, and the friction pad 4 plays a role in increasing friction force.

Further, the left side surface fixedly connected with protective housing 11 of coupler body 1, protective housing 11 protects worm 8, worm wheel 6, and then increases the stability of couple.

Further, an electric storage box 12 is arranged on the hook body 1, a storage battery is arranged in the electric storage box 12, the storage battery is electrically connected with the rotating motor 7, and the storage battery provides electric energy for the rotating motor 7.

Further, when the rotation motor 7 is started, the rotation motor 7 drives the worm 8 to rotate, the worm 8 rotates to drive the worm wheel 6 to rotate, the worm wheel 6 rotates to drive the movable shaft 5 to rotate, the movable shaft 5 rotates to drive the fixed plate 9 to rotate, the fixed plate 9 rotates to synchronously drive the limiting block 10 to rotate, when the limiting block 10 rotates to be in a vertical state, the lifting material can be hung on the hook body 1 at the moment, and when the rotation motor 7 drives the lower surface of the limiting block 10 to be contacted with one end, far away from the fixed plate 9, of the hook body 1, the limiting block 10 limits the hanging and lifting material on the hook body 1 at the moment, the hanging and lifting material is prevented from shaking and falling, the stability and the safety of the hook are further improved, and economic losses are avoided.

Further, the rotation motor 7 is started and closed to drive the limiting block 10 to perform self-locking and self-unlocking on the hook body 1, manual pressing is not needed, self-locking and self-unlocking can be automatically performed, labor is saved, meanwhile, the operation is more convenient, the working efficiency is improved, and the practicability and the use experience of the hook are further improved.

Further, the worm wheel is meshed with the worm to have self-locking performance, so that only the worm 8 can drive the worm wheel 6 to rotate in the scheme, the worm wheel 6 can not drive the worm 8 to rotate, the self-locking stability and safety of the limiting block 10 are further guaranteed, and the stability and safety of the hook are further improved.

Working principle: when the device is used, through when starting rotation motor 7, rotation motor 7 drives worm 8 and rotates, worm 8 rotates and drives worm wheel 6 and rotate, worm wheel 6 rotates and drives loose axle 5 and rotate, loose axle 5 rotates and drives fixed plate 9 and rotate, fixed plate 9 rotates and drives limiting block 10 and rotate in step, when limiting block 10 rotates to being under the vertical state, can hang the material of lifting by crane on the coupler body 1 this moment, and when rotation motor 7 drives the lower surface of limiting block 10 and coupler body 1 and keep away from the one end contact of fixed plate 9, limiting block 10 is restricted the material of hanging by crane on the coupler body 1 this moment, avoid hanging the material of lifting by crane and rock and drop, and then increase the stability and the security of couple, also avoid taking place economic loss, start and close through rotation motor 7 and drive limiting block 10 and carry out auto-lock and remove the auto-lock to coupler body 1, do not manually press, automatically just can carry out the auto-lock and remove the auto-lock, when using manpower sparingly, also improve work efficiency, and use experience of couple.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

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 (6)

1. The utility model provides a special couple of bridge crane, includes coupler body (1), its characterized in that: the upper end of the hook body (1) is fixedly connected with a mounting ring (2);

wherein, the left side surface of the hook body (1) is provided with a rotating hole (3) extending out of the right side surface thereof;

wherein, the rotation hole (3) is rotationally connected with the loose axle (5), and both ends all extend the left and right sides surface of loose axle (5) through rotation hole (3), are provided with safety mechanism on loose axle (5).

2. The bridge crane specific hanger as claimed in claim 1, wherein: the safety mechanism comprises a fixed plate (9), and the fixed plate (9) is fixedly connected with the right end of the movable shaft (5);

wherein, fixed plate (9) keep away from one side surface fixed connection limit piece (10) of loose axle (5), the lower surface of limit piece (10) and coupler body (1) keep away from one end contact of fixed plate (9).

3. The bridge crane dedicated hook as claimed in claim 2, wherein: the movable shaft (5) is rotationally connected with the rotating hole (3) through a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole (3), and the inner ring of the bearing is fixedly sleeved on the outer surface of the movable shaft (5).

4. A bridge crane dedicated hanger according to claim 3, wherein: the left end of the movable shaft (5) is fixedly sleeved with a worm (8);

the left side surface of the hook body (1) is fixedly connected with a rotary motor (7), and a rotary output shaft of the rotary motor (7) is fixedly connected with a worm (8);

wherein, the worm wheel (6) is meshed with the worm (8).

5. The bridge crane specific hanger as claimed in claim 1, wherein: the inner wall fixedly connected with friction pad (4) of coupler body (1), the left side surface fixedly connected with protective housing (11) of coupler body (1).

6. The bridge crane specific hanger as claimed in claim 1, wherein: an electric storage box (12) is arranged on the hook body (1), and a storage battery is arranged in the electric storage box (12).