CN218988656U

CN218988656U - Tensioning device for endless rope winch of coal mine

Info

Publication number: CN218988656U
Application number: CN202222602803.7U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Shaanxi Pubai Xigu Coal Industry Co ltd
Current assignee: Shaanxi Pubai Xigu Coal Industry Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-09
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a tensioning device for a coal mine endless rope winch, which comprises a fixed frame, wherein driving pieces are symmetrically arranged at the top of the inner wall of the fixed frame, and the bottom end of each driving piece is fixedly connected with a first mounting plate; the bottoms of the two first mounting plates are fixedly connected with a winding tensioning mechanism through screws; the positions of the left side and the right side of the inner wall of the fixing frame, which correspond to the wire through holes, are fixedly connected with second mounting plates through screws, and outer guide wheels are symmetrically arranged on the opposite sides of the two second mounting plates. The tensioning device for the endless rope winch of the coal mine is reasonable in structural design and convenient to use, tensioning of the steel rope of the endless rope winch is achieved in two modes, slipping of the winch can be effectively avoided when positioning failure is controlled by a certain measure, dangerousness is reduced, meanwhile, multiple groups of guide pulley pulleys are rapidly removed and replaced, use cost is reduced, and use requirements can be comprehensively met.

Description

Tensioning device for endless rope winch of coal mine

Technical Field

The utility model relates to the technical field of coal mine equipment, in particular to a tensioning device for a coal mine endless rope winch.

Background

The patent document CN200920276107.3 discloses a tensioning device of an endless rope winch system, which consists of a frame body, fixed pulleys, movable pulleys, balancing weights and rope guide wheels, wherein the fixed pulleys are arranged in the middle of the frame body, the movable pulleys are arranged on two sides of the frame body and can move up and down along guide grooves, a bracket is arranged on the upper part of the frame body to support the balancing weights, and 2 guide wheels are respectively arranged on the outer sides of the frame body to limit the positions of steel ropes. The beneficial effects of the utility model are as follows: the novel structure and convenient operation can provide constant initial tension of the steel wire rope for the friction wheel of the endless rope winch, thereby enabling the winch to generate great traction.

The tensioning device for the endless rope winch of the coal mine is provided with the tensioning device for the endless rope winch of the coal mine, the tensioning device is used for tensioning the steel rope, the positioning of the steel rope is controlled by adopting single measures, the sliding situation is easy to occur when the steel rope is damaged, the steel rope is dangerous, meanwhile, the plurality of guide pulley pulleys of the steel rope cannot be removed and replaced, the steel rope is high in use cost and difficult to meet requirements, and therefore the tensioning device is used for the endless rope winch of the coal mine and solves the problems in the background art.

Disclosure of Invention

The utility model aims to provide a tensioning device for an endless rope winch for a coal mine, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the tensioning device for the endless rope winch for the coal mine comprises a fixing frame, wherein driving pieces are symmetrically arranged at the top of the inner wall of the fixing frame, and the bottom end of each driving piece is fixedly connected with a first mounting plate;

the bottoms of the two first mounting plates are fixedly connected with a winding tensioning mechanism through screws;

the positions of the left side and the right side of the inner wall of the fixing frame, which correspond to the wire through holes, are fixedly connected with second mounting plates through screws, and outer guide wheels are symmetrically arranged on the opposite sides of the two second mounting plates.

Further, wire winding straining device includes the crane, the crane passes through screw fixed connection in the bottom of two first mounting panels, first through-hole has been seted up to the central point department at crane top, the second through-hole has been seted up to the top symmetry of crane, the second through-hole internal rotation is connected with interior guide pulley, the position fixedly connected with motor mounting panel of crane front side corresponding first through-hole, the positive fixedly connected with wire winding motor of motor mounting panel, wire winding motor's output shaft runs through the motor mounting panel and extends to the inboard fixedly connected with reel of first through-hole.

Further, the two sides of the top of the lifting frame are fixedly provided with first wire guide rollers, and the bottom of the lifting frame is fixedly provided with two second wire guide rollers corresponding to the position between the first through hole and the second through hole.

Further, the plane of the bottom of the second wire guiding roller is the same as the plane of the bottom of the inner guide wheel, and the section of the winding wheel is elliptical.

Further, the driving piece specifically adopts a hydraulic telescopic rod or a hydraulic cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

according to the tensioning device for the endless rope winch of the coal mine, after the winding motor is started, the output shaft drives the winding wheel to rotate, so that the steel wire rope is wound tightly to realize tensioning, the lifting frame is driven by the driving piece to move downwards, the tensioning of the steel wire rope can be further realized under the support of the outer guide wheel, the lifting frame and components on the lifting frame can be detached from the driving piece through the first mounting plate for maintenance replacement, the outer guide wheel can be detached from the fixing frame for maintenance replacement through the second mounting plate, and the tensioning device for the endless rope winch of the coal mine is reasonable in structural design and convenient to use, the tensioning of the steel wire rope of the endless rope winch of the coal mine can be realized in two ways, the slipping of the winch can be effectively avoided when the positioning failure is controlled by a certain measure, the danger is reduced, meanwhile, the groups of guide wheel pulleys of the endless rope winch can be rapidly detached and replaced, the use cost is reduced, and the use requirement can be fully met.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a winding tensioning mechanism according to the present utility model;

fig. 3 is a schematic structural view of the winding tensioning mechanism of the present utility model.

In the figure: 1 fixing frame, 2 driving pieces, 3 first mounting plates, 4 winding tensioning mechanisms, 41 lifting frames, 42 first through holes, 43 second through holes, 44 inner guide wheels, 45 motor mounting plates, 46 winding motors, 47 winding wheels, 48 first guide rollers, 49 second guide rollers, 5 second mounting plates and 6 outer guide wheels.

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. 1-3, a tensioning device for an endless rope winch of a coal mine comprises a fixing frame 1, wherein driving pieces 2 are symmetrically arranged at the top of the inner wall of the fixing frame 1, and the bottom end of each driving piece 2 is fixedly connected with a first mounting plate 3; the bottoms of the two first mounting plates 3 are fixedly connected with a winding tensioning mechanism 4 through screws; the positions of the left side and the right side of the inner wall of the fixing frame 1, which correspond to the wire through holes, are fixedly connected with second mounting plates 5 through screws, and outer guide wheels 6 are symmetrically arranged on the opposite sides of the two second mounting plates 5.

Specifically, the winding tensioning mechanism 4 comprises a lifting frame 41, the lifting frame 41 is fixedly connected to the bottoms of the two first mounting plates 3 through screws, a first through hole 42 is formed in the center position of the top of the lifting frame 41, second through holes 43 are symmetrically formed in the top of the lifting frame 41, an inner guide wheel 44 is rotationally connected to the second through holes 43, a motor mounting plate 45 is fixedly connected to the front side of the lifting frame 41 corresponding to the position of the first through hole 42, a winding motor 46 is fixedly connected to the front side of the motor mounting plate 45, and an output shaft of the winding motor 46 penetrates through the motor mounting plate 45 and extends to the inner side of the first through hole 42 to be fixedly connected with a winding wheel 47.

Specifically, the first wire guide rollers 48 are fixedly installed on two sides of the top of the lifting frame 41, and the two second wire guide rollers 49 are fixedly installed at the bottom of the lifting frame 41 corresponding to the position between the first through hole 42 and the second through hole 43.

Specifically, the plane of the bottom of the second wire guide roller 49 is the same as the plane of the bottom of the inner guide roller 44, and the cross-sectional shape of the reel 47 is elliptical.

Specifically, the driving member 2 is a hydraulic telescopic rod or a hydraulic cylinder.

The tensioning device for the endless rope winch of the coal mine is reasonable in structural design and convenient to use, tensioning of the steel rope of the endless rope winch is achieved in two modes, slipping of the winch can be effectively avoided when positioning failure is controlled by a certain measure, dangerousness is reduced, meanwhile, multiple groups of guide pulley pulleys are rapidly removed and replaced, use cost is reduced, and use requirements can be comprehensively met.

When the device is used, the steel ropes of the endless rope winch are sequentially inserted into the two groups of outer guide wheels 6, the second guide rollers 49, the inner guide wheels 44 and the reel 47, after the winding motor 46 is started, the output shaft of the winding motor drives the reel 47 to rotate, so that the steel ropes are wound tightly to realize tensioning, the driving piece 2 is used for driving the lifting frame 41 to move downwards, the tensioning of the steel ropes can be further realized under the support of the outer guide wheels 6, the lifting frame 41 and components on the lifting frame 41 can be detached from the driving piece 2 through the first mounting plate 3 for maintenance and replacement, and the outer guide wheels 6 can be detached from the fixing frame 1 through the second mounting plate 5 for maintenance and replacement.

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

1. The utility model provides a overspeed device tensioner for endless rope winch in colliery, includes mount (1), its characterized in that: the top of the inner wall of the fixing frame (1) is symmetrically provided with driving pieces (2), and the bottom end of each driving piece (2) is fixedly connected with a first mounting plate (3);

the bottoms of the two first mounting plates (3) are fixedly connected with a winding tensioning mechanism (4) through screws;

the positions of the left side and the right side of the inner wall of the fixing frame (1) corresponding to the wire through holes are fixedly connected with second mounting plates (5) through screws, and outer guide wheels (6) are symmetrically arranged on the opposite sides of the two second mounting plates (5).

2. The tensioning device for the endless rope winch for the coal mine according to claim 1, wherein: the winding tensioning mechanism (4) comprises a lifting frame (41), the lifting frame (41) is fixedly connected to the bottoms of the two first mounting plates (3) through screws, a first through hole (42) is formed in the center position of the top of the lifting frame (41), a second through hole (43) is symmetrically formed in the top of the lifting frame (41), an inner guide wheel (44) is rotationally connected to the second through hole (43), a motor mounting plate (45) is fixedly connected to the front side of the lifting frame (41) corresponding to the position of the first through hole (42), a winding motor (46) is fixedly connected to the front side of the motor mounting plate (45), and an output shaft of the winding motor (46) penetrates through the motor mounting plate (45) and extends to the inner side of the first through hole (42) to be fixedly connected with a winding wheel (47).

3. The tensioning device for the endless rope winch for the coal mine according to claim 2, wherein: the two sides of the top of the lifting frame (41) are fixedly provided with first wire guide rollers (48), and the bottom of the lifting frame (41) is fixedly provided with two second wire guide rollers (49) corresponding to the position between the first through hole (42) and the second through hole (43).

4. A tensioning device for a coal mine endless rope winch according to claim 3, wherein: the plane of the bottom of the second wire guiding roller (49) is the same as the plane of the bottom of the inner guide wheel (44), and the section of the winding wheel (47) is elliptical.

5. The tensioning device for the endless rope winch for the coal mine according to claim 4, wherein: the driving piece (2) is a hydraulic telescopic rod or a hydraulic cylinder.