CN220618135U - Novel slip lifting hook anticreep device - Google Patents

Abstract

The utility model relates to the technical field of hoisting equipment, and particularly discloses a novel sliding lifting hook anti-drop device which comprises an upper anti-drop plate, a lower anti-drop plate and a counterweight frame, wherein the upper anti-drop plate is in sliding connection with the lower anti-drop plate, the bottom of the lower anti-drop plate is blocked at the inner side of the head of a hook head, the upper anti-drop plate is connected with the counterweight frame through a pin shaft, the pin shaft is rotationally connected with a pin shaft frame, and the pin shaft frame is fixed at the inner side of the hook head; the novel sliding lifting hook anti-drop device designed by the utility model adopts the slide ways at two sides and the slide way in the middle, the lower anti-drop plate can slide up and down along the slide way under the action of the pretightening force of the elastic pad to change the opening degree, the self weight is utilized to replace the action of spring elastic force, the performance of the whole anti-drop device is greatly improved, the daily maintenance cost of the device is reduced, the labor intensity is reduced, and the service life of the anti-drop device is prolonged from 3 months to more than one year.

Description

Novel slip lifting hook anticreep device

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a novel sliding lifting hook anti-drop device.

Background

The existing hook head anti-falling device mainly comprises a self-locking nut, a pin shaft, a spring and an anti-falling plate, as shown in fig. 1, the hook head is provided with the anti-falling device, the anti-falling device is a spring plate capable of being pressed down to bounce, when the steel wire rope is taken down from the hook head, the bouncing anti-falling clamp is needed to be pressed down by one hand, the steel wire rope is taken out by the other hand, the effect on the operation of taking out the thin steel wire rope by the small hook head is little, when the bigger hook head takes out the thicker steel wire rope, the steel wire rope is not moved by the force of one hand, the situation is always encountered during the present operation, the anti-falling device is hard skimmed, the steel wire rope is taken down by two hands, so that the anti-falling device is easy to damage, some return springs are damaged, and even the hook loses the anti-falling protection effect. The hook head is not provided with a steel wire rope unhooking prevention device, so that the steel wire rope is easy to jump off in the production operation process, the suspended object is caused to fall, the safety accident is caused, and the hidden danger is buried for production safety. In addition, when the diameter of the lifting appliance is large, the lifting appliance is provided with a hook head, the anti-falling plate is clamped and cannot return, so that the novel anti-falling safety device of the sliding lifting hook is developed, potential safety hazards are eliminated, safety accidents are prevented, and the safety of personnel and equipment is guaranteed.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide a novel sliding lifting hook anti-falling device.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a novel slip lifting hook anticreep device, includes anticreep board, lower anticreep board and counter weight frame, go up anticreep board and lower anticreep board sliding connection, the bottom of anticreep board keeps off in the head inboard of gib head down, goes up the anticreep board and passes through round pin hub connection counter weight frame, and round pin axle rotates the connecting pin axle frame, and the inboard at the gib head is fixed to the round pin axle frame.

Specifically, the both sides of going up the anticreep board are equipped with the slide rail, and the outside sliding connection slide of slide rail, the slide rail setting is in the both sides of anticreep board down, and lower anticreep board passes through slide rail and slides on last anticreep board.

Specifically, the middle part of going up the anticreep board is equipped with rectangular spout, and upper portion installation pin in the lower anticreep board, the pin slides in the spout, and the pin passes and goes up the anticreep board back head silk and connect lock nut, and the cover is equipped with the bullet pad on the pin, and the bullet is filled up and is located between lock nut and the upper anticreep board.

Specifically, the upper part of the upper anti-drop plate is provided with a pin shaft hole, the pin shaft hole penetrates through the pin shaft and is fixed, two ends of the pin shaft are fixedly connected with a counterweight frame, and the counterweight frame, the pin shaft and the upper anti-drop plate form a fixed connection structure.

Specifically, the middle part of the pin shaft penetrates through the through hole of the pin shaft frame, and the pin shaft, the counterweight frame and the upper anti-drop plate integrally rotate relative to the pin shaft frame.

The utility model has the following beneficial effects:

the novel sliding lifting hook anti-drop device designed by the utility model adopts the slide ways at two sides and the slide way in the middle, the lower anti-drop plate can slide up and down along the slide way under the action of the pretightening force of the elastic pad to change the opening degree, the self weight is utilized to replace the action of spring elastic force, the performance of the whole anti-drop device is greatly improved, the daily maintenance cost of the device is reduced, the labor intensity is reduced, and the service life of the anti-drop device is prolonged from 3 months to more than one year.

Drawings

Fig. 1 is a schematic structural view of a conventional hook drop-preventing device.

Fig. 2 is a schematic structural view of the novel sliding hook anti-drop device in use.

Fig. 3 is a front view of the novel slide hook anti-drop device.

Fig. 4 is a side view of the novel slide hook retaining device.

In the figure: 1-an upper anti-falling plate; 2-a lower anti-falling plate; 3-sliding rails; 4-a slideway; 5-pins; 6-locking the nut; 7-spring pad; 8-a chute; 9-a pin shaft; 10-pin shaft holes; 11-a counterweight housing; 12-hook heads; 13-pin shaft bracket.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described in further detail below with reference to the accompanying drawings in the embodiments of the present utility model. 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.

As shown in figure 1, the existing anti-falling device consists of a self-locking nut, a pin shaft, a spring and an anti-falling plate, wherein the existing anti-falling device is a spring plate capable of being pressed down to bounce, when a steel wire rope is taken down from a hook head, the bouncing anti-falling clamp needs to be pressed down by one hand, the steel wire rope is taken out by the other hand, the influence on the operation of taking out the thin steel wire rope by a small hook head is small, when the large hook head takes out the thick steel wire rope, the steel wire rope is not moved by the force of one hand, the anti-falling device is often skimmed by one hand when the large hook head takes out the thick steel wire rope, the steel wire rope is taken down by two hands, so that the anti-falling device is easy to damage, serious deformation is caused, the return spring is damaged, the hook head anti-falling device is used for less than 3 months on average, and the hook is continued to be used without the anti-falling hook device, so that potential safety hazards are left in the production process. In addition, when the diameter of the lifting appliance is large, the lifting appliance is placed into the hook head, and the anti-falling plate is blocked and cannot return.

As shown in fig. 2-4, a novel sliding hook anti-drop device comprises an upper anti-drop plate 1, a lower anti-drop plate 2 and a counterweight frame 11, wherein the upper anti-drop plate 1 is in sliding connection with the lower anti-drop plate 2, the bottom of the lower anti-drop plate 2 is blocked on the inner side of the head of a hook head 12, the upper anti-drop plate 1 is connected with the counterweight frame 11 through a pin shaft 9, the pin shaft 9 is rotationally connected with a pin shaft frame 13, and the pin shaft frame 13 is fixed on the inner side of the hook head 12.

The sliding connection structure of the upper anti-drop plate 1 and the lower anti-drop plate 2 comprises: the both sides of going up anticreep board 1 are equipped with slide rail 3, and slide rail 3's outside sliding connection slide 4, slide rail 4 set up in the both sides of anticreep board 2 down, and lower anticreep board 2 slides on last anticreep board 1 through slide rail 4 and slide rail 3. The middle part of going up anticreep board 1 is equipped with rectangular spout 8, and lower anticreep board 2 well upper portion installs pin 5, and pin 5 slides in spout 8, and pin 5 passes and goes up anticreep board 1 back head silk and connect lock nut 6, and the cover is equipped with bullet pad 7 on the pin 5, and bullet pad 7 is located between lock nut 6 and the upper anticreep board 1.

Gravity reset structure of anticreep device: the upper part of the upper anti-drop plate 1 is provided with a pin shaft hole 10, the pin shaft hole 10 penetrates through the pin shaft 9 and is fixed, two ends of the pin shaft 9 are fixedly connected with a counterweight frame 11, and the counterweight frame 11, the pin shaft 9 and the upper anti-drop plate 1 form a fixed connection structure. The middle part of the pin shaft 9 passes through the through hole of the pin shaft bracket 13, and the pin shaft 9, the counterweight bracket 11 and the upper anti-drop plate 1 integrally rotate relative to the pin shaft bracket 13.

According to the utility model, the sliding ways on two sides and the sliding way in the middle are adopted, under the action of the pretightening force of the elastic pad 7, the upper anti-falling plate 1 can slide up and down along the sliding way 4 and the sliding rail 3 to change the opening degree, and the anti-falling device has no return spring and is capable of preventing falling by self gravity, so that the performance of the whole device is greatly improved, the service life of the anti-falling device is prolonged, the daily maintenance cost of the device is reduced, and the labor intensity is reduced.

The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.

The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims (3)

1. The novel sliding lifting hook anti-drop device is characterized by comprising an upper anti-drop plate, a lower anti-drop plate and a counterweight frame, wherein the upper anti-drop plate and the lower anti-drop plate are in sliding connection, the bottom of the lower anti-drop plate is blocked at the inner side of the head of a hook head, the upper anti-drop plate is connected with the counterweight frame through a pin shaft, the pin shaft rotates to connect a pin shaft frame, and the pin shaft frame is fixed at the inner side of the hook head;

the two sides of the upper anti-falling plate are provided with sliding rails, the outer sides of the sliding rails are connected with sliding rails in a sliding manner, the sliding rails are arranged on the two sides of the lower anti-falling plate, and the lower anti-falling plate slides on the upper anti-falling plate through the sliding rails and the sliding rails;

the middle part of the upper anti-drop plate is provided with a strip-shaped chute, the middle upper part of the lower anti-drop plate is provided with a pin, the pin slides in the chute, the head of the pin is connected with a lock nut after passing through the upper anti-drop plate, the pin is sleeved with a spring pad, and the spring pad is positioned between the lock nut and the upper anti-drop plate.

2. The novel sliding hook anti-drop device according to claim 1, wherein a pin shaft hole is formed in the upper portion of the upper anti-drop plate, the pin shaft hole penetrates through the pin shaft and is fixed, two ends of the pin shaft are fixedly connected with a counterweight frame, and the counterweight frame, the pin shaft and the upper anti-drop plate form a fixed connection structure.

3. The novel sliding hook drop-preventing device according to claim 1, wherein the middle part of the pin shaft penetrates through the through hole of the pin shaft frame, and the pin shaft, the counterweight frame and the upper drop-preventing plate integrally rotate relative to the pin shaft frame.