CN213011577U

CN213011577U - Self-locking hook for crane

Info

Publication number: CN213011577U
Application number: CN202021374368.1U
Authority: CN
Inventors: 徐东海; 雷云仙; 李首洋
Original assignee: Chibi Puqi Hoisting And Conveying Machinery Co ltd
Current assignee: Chibi Puqi Hoisting And Conveying Machinery Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-20
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a hoist is with auto-lock couple, including suspension clasp, lifting hook welded fastening is in the bottom of suspension clasp, the inside loose axle that is equipped with of lifting hook middle part trompil, the inside torque spring that is equipped with of loose axle, and the loose axle outside is fixed with the buckle, buckle left side limit is fixed with the fixed block, and the welding has a fixed axle on the fixed block, and the welding has wire rope on the left surface of a fixed axle, and the welding of wire rope one end has No. two fixed axles on a fixed axle, and the welding of the wire rope other end has. The utility model discloses, during the use, pass through the suspension clasp with the lifting hook and fix on the hoist, when the staff carries out the object jack-up on the lifting hook, hang on the lifting hook between the object that will hoist, and the outside atress of buckle makes torsion spring take place to shrink when hanging, thereby make the buckle pack up the rope body that makes to hang to the lifting hook is placed inside the lifting hook, and the buckle packs up through torsion spring when externally not atress to take place the effect of auto-lock.

Description

Self-locking hook for crane

Technical Field

The utility model relates to a couple specifically is a hoist is with self-locking couple.

Background

The crane hook is an indispensable component in the middle of the crane, the most common hook with the lock catch and the hook without the lock catch of the current crane hook have more security and make this kind of crane welcome in the actual operation, but, the couple, the shape is crooked, current couple when connecting the haulage rope, the haulage rope produces the slip easily in the couple to influence the jack-up stability of product, during rope in the couple or the thing of hanging, all need initiatively go to push down the lock catch, and the lock catch can not one keep the open mode. Therefore, the utility model provides a hoist is with self-locking couple to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist is with self-locking couple to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a self-locking hook for a crane comprises a hanging buckle and a lifting hook, wherein the lifting hook is welded and fixed at the bottom of the hanging buckle, a movable shaft is arranged in a hole in the middle of the lifting hook, a torsion spring is arranged in the movable shaft, a buckle plate is fixed on the outer side of the movable shaft, a fixed block is fixed on the left side edge of the pinch plate, a first fixed shaft is welded on the fixed block, a steel wire rope is welded on the left side surface of the first fixed shaft, one end of the steel wire rope is welded on the first fixed shaft, a second fixed shaft is welded on the other end of the steel wire rope, a threaded bolt is fixed on the left side surface of the second fixed shaft, an adjusting ring is fixed on the left end of the threaded bolt, the bottom of lifting hook inboard fluting is equipped with a plurality of flexible grooves, and flexible groove top is equipped with the cardboard, the cardboard bottom is equipped with buffer spring, and buffer spring is located flexible inslot portion, and is a plurality of flexible tank bottom all is fixed with the baffle, both sides all monolithic stationary phases have the bearing backplate around the lateral surface of lifting hook.

As a further proposal of the utility model, the shape of the lifting hook is a semi-circle shape, and the top of one end of the lifting hook is provided with a limit groove.

As the utility model discloses further scheme again, the outside that the screw thread was tied is equipped with the screw hole, and the screw hole is located the inside of lifting hook.

As the utility model discloses further scheme again, buffer spring one end is fixed on the cardboard, and the buffer spring other end is equipped with the installation piece.

As a further proposal, the buffer spring is fixed on the baffle plate through the mounting block.

As the utility model discloses further scheme again, the flexible groove that sets up on the lifting hook is totally six, six flexible inslot portion all is equipped with the cardboard.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, when using, fix the lifting hook on the hoist through the suspension clasp, when the staff carries out the object lifting on the lifting hook, hang on the lifting hook between the object that will lift up, and the outside atress of buckle makes torsion spring take place to contract during hanging, make the buckle pack up to the lifting hook inside so that the rope body that needs to hang is placed inside the lifting hook, and the buckle packs up through torsion spring when the outside is not atress, thereby the effect of taking place the auto-lock;

2. the utility model discloses, when hanging, when the rope body that hangs on the lifting hook, the rope body pushes down the cardboard and makes the cardboard atress descend through buffer spring in flexible inslot portion, thereby the rope body both sides are carried on spacing messenger's rope body and can not take place to slide when jack-up by the cardboard that does not take place to descend, and when the staff twisted the screw bolt through the adjustable ring, thereby the buckle passed through wire rope and the outside extension of screw bolt makes the buckle keep the open mode.

Drawings

Fig. 1 is a schematic structural view of a self-locking hook for a crane.

Fig. 2 is a schematic perspective view of a self-locking hook for a crane.

Fig. 3 is an enlarged structural schematic diagram of a position A of a self-locking hook for a crane.

Fig. 4 is an enlarged structural schematic diagram of a position B in the self-locking hook for the crane.

In the figure: 1. hanging buckles; 2. a hook; 3. buckling the plate; 4. a movable shaft; 5. a torsion spring; 6. a fixed block; 7. a first fixed shaft; 8. a wire rope; 9. a second fixed shaft; 10. a threaded bolt; 11. a threaded hole; 12. clamping a plate; 13. a telescopic groove; 14. a buffer spring; 15. mounting blocks; 16. a baffle plate; 17. a limiting groove; 18. a load-bearing guard plate; 19. an adjusting ring.

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 to 4, in an embodiment of the present invention, a self-locking hook for a crane includes a suspension buckle 1 and a hook 2, the hook 2 is welded and fixed at the bottom of the suspension buckle 1, a movable shaft 4 is arranged inside a hole formed in the middle of the hook 2, a torsion spring 5 is arranged inside the movable shaft 4, a buckle plate 3 is fixed outside the movable shaft 4, a fixed block 6 is fixed at the left side of the buckle plate 3, a first fixed shaft 7 is welded on the fixed block 6, a steel wire rope 8 is welded on the left side surface of the first fixed shaft 7, one end of the steel wire rope 8 is welded on the first fixed shaft 7, a second fixed shaft 9 is welded at the other end of the steel wire rope 8, a threaded bolt 10 is fixed on the left side surface of the second fixed shaft 9, a threaded hole 11 is arranged outside the threaded bolt 10, the threaded hole 11 is located inside the hook 2, an adjusting ring 19 is fixed, the clamping plate 12 is arranged above the telescopic groove 13, the buffer springs 14 are arranged at the bottom of the clamping plate 12, the buffer springs 14 are located inside the telescopic groove 13, the bottom ends of the telescopic groove 13 are fixed with baffle plates 16, one ends of the buffer springs 14 are fixed on the clamping plate 12, the other ends of the buffer springs 14 are provided with mounting blocks 15, and the buffer springs 14 are fixed on the baffle plates 16 through the mounting blocks 15. Equal monolithic stationary has bearing backplate 18 around the lateral surface of lifting

hook

2, 2 shapes of lifting hook are half circular shape, and 2 one end tops of lifting hook fluting are equipped with spacing groove 17, the flexible groove 13 that sets up on lifting hook 2 is totally six, six flexible inslot 13 is inside all to be equipped with cardboard 12.

The utility model discloses a theory of operation is:

in the utility model, when in use, the hook 2 is fixed on the crane through the suspension buckle 1, when the worker lifts the object on the hook 2, the object to be lifted is suspended on the hook 2, and when the object is suspended, the torsion spring 5 is contracted under the external stress of the buckle plate 3, the buckle plate 3 is folded towards the inside of the hook 2, so that the rope body to be suspended is placed in the hook 2, and the buckle plate 3 is folded through the torsion spring 5 when the external stress is not applied, so that the self-locking effect is generated;

when hanging, when the rope body that hangs was hung on lifting hook 2, the rope body pushed down cardboard 12 and made cardboard 12 atress through buffer spring 14 drop inside telescopic groove 13, and thereby the rope body both sides are carried on spacingly by the cardboard 12 that does not take place to descend and make the rope body can not take place to slide when the jack-up, and when the staff twisted threaded bolt 10 through adjustable ring 19, thereby buckle 3 passed through wire rope 8 and threaded bolt 10 and outwards extended messenger buckle 3 and keep the open mode.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A self-locking hook for a crane comprises a suspension buckle (1) and a lifting hook (2), and is characterized in that the lifting hook (2) is welded and fixed at the bottom of the suspension buckle (1), a movable shaft (4) is arranged inside a hole in the middle of the lifting hook (2), a torsion spring (5) is arranged inside the movable shaft (4), a buckle plate (3) is fixed on the outer side of the movable shaft (4), a fixed block (6) is fixed on the left side edge of the buckle plate (3), a first fixed shaft (7) is welded on the fixed block (6), a steel wire rope (8) is welded on the left side surface of the first fixed shaft (7), one end of the steel wire rope (8) is welded on the first fixed shaft (7), a second fixed shaft (9) is welded on the other end of the steel wire rope (8), a threaded bolt (10) is fixed on the left side surface of the second fixed shaft (9), an adjusting ring (19) is fixed on the left end of the, the telescopic groove is characterized in that a clamping plate (12) is arranged above the telescopic groove (13), a buffer spring (14) is arranged at the bottom of the clamping plate (12), the buffer spring (14) is located inside the telescopic groove (13), a plurality of baffles (16) are fixed at the bottom end of the telescopic groove (13), and bearing guard plates (18) are integrally fixed on the front side and the rear side of the outer side face of the lifting hook (2).

2. The self-locking hook for the crane according to claim 1, wherein the hook (2) is in a semicircular shape, and a limit groove (17) is formed in a groove at the top of one end of the hook (2).

3. A self-locking hook for cranes, according to claim 1, characterized in that the threaded bolt (10) is provided on its outside with a threaded hole (11), the threaded hole (11) being located inside the hook (2).

4. A self-locking hook for cranes according to claim 1, characterized in that one end of the buffer spring (14) is fixed to the catch plate (12) and the other end of the buffer spring (14) is provided with a mounting block (15).

5. A self-locking hook for cranes according to claim 1, characterized in that the damping spring (14) is fixed to the stop plate (16) by means of a mounting block (15).

6. A self-locking hook for a crane according to claim 1, wherein the hook (2) has six telescopic slots (13), and the six telescopic slots (13) are provided with snap-gauge plates (12) therein.