CN220618271U

CN220618271U - Anti-drop fixed pulley of electric grab bucket of crane

Info

Publication number: CN220618271U
Application number: CN202321417320.8U
Authority: CN
Inventors: 陈平; 赵冰; 宋鑫; 陈云松; 梁川
Original assignee: Sichuan Langjiu Co ltd
Current assignee: Sichuan Langjiu Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-03-19
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses an anti-drop fixed pulley of an electric grab bucket of a crane, which comprises a fixed shaft sleeve sleeved on a grab bucket bearing shaft, wherein two opposite fixed pulley brackets extend along the radial direction of the fixed shaft sleeve, a guide pulley is fixedly arranged between the two opposite fixed pulley brackets, a steel wire rope is wound on the guide pulley, and two sides of the fixed pulley brackets are respectively connected with a first anti-drop pulley so that the fixed pulley brackets are positioned in a space between the first anti-drop pulley and the fixed pulley brackets. The utility model can effectively prevent the grab bucket steel wire rope from falling off the groove at the fixed pulley, reduce the maintenance rate of the grab bucket, improve the production efficiency, reduce the risk of safety accidents and ensure the normal operation of production.

Description

Anti-drop fixed pulley of electric grab bucket of crane

Technical Field

The utility model belongs to the technical field of electric grab buckets, and particularly relates to an anti-drop fixed pulley of an electric grab bucket of a crane.

Background

The electric grab bucket of the crane is worn at each linkage part of the grab bucket due to long-time use, when the grab bucket grabs objects downwards, the steel wire rope is loosened to a certain extent, the steel wire rope at the fixed pulley at the head part of the grab bucket is easily led to be taken off from the groove, then in the process of lifting the objects by lifting the grab bucket, the steel wire rope can be sunk into a gap between the fixed pulley and the fixed pulley bracket immediately, so that the steel wire rope is blocked, the grab bucket cannot work normally, the service life of the grab bucket is shortened, and meanwhile, under the condition that an operator does not find in time, the blocked steel wire rope is easy to break, and potential safety hazards exist.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides an anti-drop fixed pulley of an electric grab bucket of a crane, which can effectively prevent a grab bucket steel wire rope from dropping off from a fixed pulley, reduce the maintenance rate of the grab bucket, improve the production efficiency, reduce the risk of safety accidents and ensure the normal operation of production.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides an anticreep fixed pulley of hoist electronic grab bucket, establishes at grab bucket bearing epaxial fixed axle sleeve including the cover, fixed axle sleeve extends along its radial direction has two relative fixed pulley supports, two relative fixed mounting guide pulley between the fixed pulley support, it has wire rope to wind on the guide pulley, the both sides of fixed pulley support still are connected with first anticreep pulley respectively, supplies the fixed pulley support is located first anticreep pulley and in the space between the fixed pulley support.

In one embodiment, the fixed pulley bracket is provided with a mounting hole for fixing the guide pulley, and the guide pulley is fixed on the fixed pulley bracket through a mounting shaft.

In one embodiment, the first anti-slip pulleys positioned on two sides of the fixed pulley bracket are symmetrically arranged.

In one embodiment, both ends of the first anti-drop pulley are mounted on a connection portion extending from the fixed pulley bracket.

In one embodiment, a second anti-drop pulley is further arranged between the fixed shaft sleeve and the guide pulley, and two ends of the second anti-drop pulley are mounted on the fixed pulley bracket.

In one embodiment, the wire rope on the guide pulley is located between the first anti-drop pulley and the fixed pulley bracket.

In one embodiment, two fixed pulley brackets extending along the fixed shaft sleeve are connected into a closed loop structure through an arc plate at one end of the fixed pulley bracket far away from the fixed shaft sleeve.

In one embodiment, the first anti-drop pulley and the second anti-drop pulley are both sleeved on the stud.

The utility model has the beneficial effects that:

can prevent effectively that grab bucket wire rope from taking off the groove in fixed pulley department, reduce grab bucket maintenance rate, improve production efficiency, reduce incident risk, ensure production normal operating, its simple structure is stable simultaneously, and also be convenient for change or maintain first anticreep pulley, second anticreep pulley and guide pulley.

Drawings

The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.

Wherein:

FIG. 1 shows a schematic structural diagram of one embodiment of the present utility model;

in the drawings, like parts are designated with like reference numerals. The figures are not to scale.

Reference numerals:

the device comprises a fixed shaft sleeve, a 2-grab bucket bearing shaft, a 3-stud, a 4-fixed pulley bracket, a 5-guide pulley, a 6-anti-drop pulley, a 7-installation shaft, an 8-steel wire rope and a 9-arc plate.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

The utility model provides an anti-drop fixed pulley of an electric grab bucket of a crane, which is shown in figure 1, and comprises a fixed shaft sleeve 1 sleeved on a grab bucket bearing shaft 2, wherein the fixed shaft sleeve 1 is provided with two opposite fixed pulley brackets 4 along the radial direction of the fixed shaft sleeve, a guide pulley 5 is fixedly arranged between the two opposite fixed pulley brackets 4, a steel wire rope 8 is wound on the guide pulley 5, and two sides of the fixed pulley brackets 4 are respectively connected with a first anti-drop pulley 6 so that the fixed pulley brackets 4 are positioned in a space between the first anti-drop pulley 6 and the fixed pulley brackets 4;

specifically, the fixed pulley bracket 4 is provided with a mounting hole for fixing the guide pulley 5, the guide pulley 5 is fixed on the fixed pulley bracket 4 through a mounting shaft 7, and a steel wire rope 8 on the guide pulley 5 is positioned between the first anti-drop pulley 6 and the fixed pulley bracket 4;

it should be noted that the fixed pulley bracket 4 has the functions of bearing and keeping fixation, the fixed pulley bracket 4 and the fixed shaft sleeve 1 form an integrated structure, the fixed pulley bracket 4 and the fixed shaft sleeve 1 are commonly installed on the grab bucket bearing shaft 2, the fixed shaft 7 is used for fixing the guide pulley 5 on the fixed pulley bracket 4, the steel wire rope 8 arranged on the guide pulley 5 is used for dragging articles, the first anti-slip pulleys 6 arranged on two sides of the fixed pulley bracket 4 can block the steel wire rope 8 sliding grooves of the guide pulley 5, meanwhile, the first anti-slip pulleys are not contacted with the steel wire rope 8, so friction is not generated on the steel wire rope 8, and faults caused by the fact that the steel wire rope 8 is out of grooves are avoided, namely, the material replacement cost and the manual maintenance cost are reduced, and meanwhile, the safety risks caused by the first anti-slip pulleys are eliminated;

in one embodiment, as shown in fig. 1, the first anti-drop pulleys 6 positioned at two sides of the fixed pulley bracket 4 are symmetrically arranged, so that the steel wire ropes 8 at two sides of the guide pulley 5 can be subjected to the anti-drop effect in the same horizontal direction, and the anti-drop effect and the service life of the device are improved;

specifically, both ends of the first anti-slip pulley 6 are mounted on a connecting part extending from the fixed pulley bracket 4, connecting parts extending from the fixed pulley bracket 4 to both sides, and the first anti-slip pulley 6 is mounted through the connecting parts;

in one embodiment, a second anti-drop pulley 6 is further arranged between the fixed shaft sleeve 1 and the guide pulley 5, two ends of the second anti-drop pulley 6 are arranged on the fixed pulley bracket 4, namely, a second anti-drop pulley 6 can be additionally arranged above the guide pulley 5, so that the anti-drop effect is further improved;

specifically, the first anti-slip pulley 6 and the second anti-slip pulley 6 are sleeved on the stud 3, so that the stud is convenient to detach;

in one embodiment, one ends of the two fixed pulley brackets 4 extending along the fixed shaft sleeve 1, which are far away from the fixed shaft sleeve 1, are connected into a closed loop structure through an arc-shaped plate 9;

it should be noted that, the two fixed pulley brackets 4 are connected into a closed loop structure through the arc plate 9, so that the bottom of the fixed pulley bracket 4 is prevented from being deformed and opened due to stress, and the first anti-drop pulley 6 and the second anti-drop pulley 6 are damaged.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "bottom," "top," "front," "rear," "inner," "outer," "left," "right," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present utility model. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present utility model as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.

Claims

1. The utility model provides an anticreep fixed pulley of hoist electronic grab bucket, its characterized in that, including the cover establish at grab bucket bearing shaft's fixed axle sleeve, fixed axle sleeve extends along its radial direction has two relative fixed pulley support, two relative fixed pulley support between fixed pulley support fixed mounting guide pulley, it has wire rope to wind on the guide pulley, fixed pulley support's both sides still are connected with first anticreep pulley respectively, supplies the fixed pulley support is located first anticreep pulley and in the space between the fixed pulley support.

2. The anti-drop fixed pulley of an electric grab bucket of a crane according to claim 1, wherein the fixed pulley bracket is provided with a mounting hole for fixing the guide pulley, and the guide pulley is fixed on the fixed pulley bracket through a mounting shaft.

3. The anti-slip fixed pulley of an electric grab bucket of a crane according to claim 1, wherein the first anti-slip pulleys positioned on both sides of the fixed pulley bracket are symmetrically arranged with each other.

4. A fixed anti-slip pulley for an electric grab of a crane according to claim 1 or 3, wherein both ends of the first fixed anti-slip pulley are mounted on a connecting portion extending from the fixed pulley bracket.

5. The anti-drop fixed pulley of the electric grab bucket of the crane, according to claim 4, wherein a second anti-drop pulley is further arranged between the fixed shaft sleeve and the guide pulley, and two ends of the second anti-drop pulley are mounted on the fixed pulley bracket.

6. The anti-drop fixed sheave of an electric grab of a crane of claim 1, wherein a wire rope on the guide sheave is located between the first anti-drop sheave and the fixed sheave bracket.

7. The anti-drop fixed pulley of an electric grab bucket of a crane according to claim 1, wherein one end of two fixed pulley brackets extending along the fixed shaft sleeve, which is far away from the fixed shaft sleeve, is connected into a closed loop structure through an arc plate.

8. The anti-drop fixed pulley of an electric grab bucket of a crane of claim 5, wherein the first anti-drop pulley and the second anti-drop pulley are both sleeved on the stud.