CN113959709A

CN113959709A - Fatigue strength testing tool for brake

Info

Publication number: CN113959709A
Application number: CN202010681734.6A
Authority: CN
Inventors: 房文胜; 蒋昀喆; 蔡晓翔; 张宇森
Original assignee: Zhangjiagang Free Trade Zone Da'an Import Automobile Inspection Co ltd
Current assignee: Zhangjiagang Free Trade Zone Da'an Import Automobile Inspection Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2022-01-21

Abstract

The invention provides a brake fatigue strength testing tool, relating to the technical field of brake detection, wherein two outward-expanding support columns are symmetrically arranged, the number of disc supporting plates is two, the disc supporting plates are respectively welded at the top ends of the outward-expanding support columns, an inner arc groove is arranged in each disc supporting plate, an outer preformed groove is arranged at the top of the outer side of each disc supporting plate, the outer preformed groove and the inner arc groove are communicated, a disc supporting block is slidably connected in each outer preformed groove, the inner side of each disc supporting block extends to the inner arc groove, a plurality of telescopic springs are fixedly connected between the inner side of each disc supporting block and the inner arc groove, a bending arc plate integrated with each disc supporting block is fixed at the bottom of each disc supporting block, a triangular tip is arranged at the tail end of each bending arc plate, a maintenance worker can judge the elastic strength of a disc by observing the position of the triangular tip, the convenient and rapid test work is carried out, and the problem that a common detection device is large is solved, and also a plurality of clamping steps are required, which is very unfavorable for the work of maintenance personnel.

Description

Fatigue strength testing tool for brake

Technical Field

The invention relates to the technical field of brake detection, in particular to a brake fatigue strength testing tool.

Background

The brake is a device having a function of decelerating, stopping, or maintaining a stopped state of a moving member. Brakes can be divided into two broad categories: industrial brakes and automotive brakes, which are further classified as parking brakes, are mechanical parts that stop or decelerate moving parts in a machine. Commonly called brake and brake. The brake mainly comprises a braking frame, a braking piece, an operating device and the like.

The existing brake is easy to have the brake performance reduction under the long-time use, and the disc structure thereof loses the elasticity, so that the maintenance personnel needs to carry out the fatigue detection when carrying out the maintenance on the brake, but the general detection device is large, and a plurality of clamping steps are also needed, which is very unfavorable for the maintenance personnel to work.

Disclosure of Invention

Aiming at the problems, the invention provides a testing tool for the fatigue strength of a brake, which is realized by adopting the following technical scheme:

a brake fatigue strength testing tool, the brake fatigue strength testing tool comprising:

the left side and the right side of the top of the tool supporting plate are respectively fixed with an outward-expanding supporting column integrated with the tool supporting plate, and the two outward-expanding supporting columns are symmetrically arranged;

the disc supporting plates are welded to the top ends of the outward-expanding supporting columns respectively, inner arc grooves are formed in the disc supporting plates, outer reserved grooves are formed in the tops of the outer sides of the disc supporting plates, the outer reserved grooves are communicated with the inner arc grooves, disc supporting blocks are connected to the inner portions of the outer reserved grooves in a sliding mode, the inner sides of the disc supporting blocks extend to the inner arc grooves, a plurality of telescopic springs are fixedly connected between the inner sides of the disc supporting blocks and the inner arc grooves, bending arc plates integrated with the disc supporting blocks are fixed to the bottoms of the disc supporting blocks, the bending arc plates are located inside the inner arc grooves, and triangular pointed ends are arranged at the tail ends of the bending arc plates.

Preferably, the outward-expanding supporting columns are arranged in a V shape, and the disc abutting plates are arranged oppositely.

Preferably, the outer end of the disc abutting block protrudes out of the outer reserved groove, the outer radian of the disc abutting block is consistent with that of the disc abutting plate, and the thickness of the disc abutting block is consistent with the sum of the inner arc groove and the outer reserved groove.

Preferably, the inner arc groove penetrates through the bottom surface of the disc supporting plate, a space is formed between the inner side of the bent arc plate and the inner arc groove, and the bent arc plate extends out of the bottom surface of the disc supporting plate and is located at the bottom of the outer side of the outward-expanding supporting column.

Preferably, the position of the outer side of the outward-expanding support column corresponding to the bending arc plate is provided with a triangular bayonet, and the triangular pointed end is mutually clamped with the triangular bayonet.

Compared with the prior art, the invention has the following beneficial effects:

when the disc contracts, the disc abutting block is pressed inwards, the expansion spring is pressed and contracted by the disc abutting block, the disc abutting block moves towards the inner arc groove in the outer preformed groove, if the elasticity of the disc is good, the disc can abut against the disc abutting block to be in a tight state, the outer radian of the disc abutting block can be in a consistent state with the outer radian of the disc abutting plate, the bent arc plate moves close to the bottom of the outer side of the outward-expanding supporting column along with the disc abutting block, when the outer radian of the disc abutting block is in a consistent state with the outer radian of the disc abutting plate, the triangular bayonet is clamped by the triangular pointed end, and a maintenance worker can judge the elastic strength of the disc by observing the position of the triangular pointed end, so that the convenient and rapid test work can be carried out.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the inner part of the disc supporting block structure according to the present invention;

fig. 3 is a schematic view of the enlarged structure at a part of the present invention.

The structure in the figure is as follows: the tool supporting plate comprises a tool supporting plate 1, an outward-expanding supporting column 101, a triangular bayonet 102, a disc abutting plate 2, an inner arc groove 201, an outer preformed groove 202, a disc abutting block 3, a telescopic spring 301, a bending arc plate 4 and a triangular tip 401.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Referring to fig. 1-3, in order to make the technical means, technical features, achievement objects and effects of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

the tool supporting plate comprises a tool supporting plate 1, wherein outwards-expanded supporting columns 101 which are integrated with the tool supporting plate 1 are fixed on the left side and the right side of the top of the tool supporting plate 1, and the two outwards-expanded supporting columns 101 are symmetrically arranged;

the number of the disc supporting plates 2 is two, and the disc supporting plates 2 are respectively welded at the top ends of the outward-expanding supporting columns 101;

in the process of repairing the brake, a maintenance worker can stably place the tool supporting plate 1 on the ground and place the brake outside the disc abutting plates 2, because the disc abutting plates 2 are oppositely arranged and correspond to the disc structure position in the brake, the disc abutting plates 2 are positioned right inside the disc, the maintenance worker can start a hydraulic pump of the brake to enable brake fluid to push the brake caliper to contract, and meanwhile, the disc is also contracted;

an inner arc groove 201 is formed in the disc abutting plate 2, an outer reserved groove 202 is formed in the top of the outer side of the disc abutting plate 2, the outer reserved groove 202 is communicated with the inner arc groove 201, a disc abutting block 3 is connected to the inner portion of the outer reserved groove 202 in a sliding mode, the outer end of the disc abutting block 3 protrudes out of the outer reserved groove 202, the disc abutting block 3 is pressed inwards while the disc contracts, a rubber pad is attached to the outer side of the disc abutting block 3, the anti-sliding effect can be achieved when the disc is contacted with the rubber pad, the inner side of the disc abutting block 3 extends to the inner arc groove 201, a plurality of telescopic springs 301 are fixedly connected between the inner side of the disc abutting block 3 and the inner arc groove 201, meanwhile, the telescopic springs 301 are pressed by the disc abutting block 3 to contract, and the disc abutting block 3 moves into the inner arc groove 201 in the outer arc groove 202;

the bent arc plate 4 is positioned in the inner arc groove 201, the tail end of the bent arc plate 4 is provided with a triangular pointed end 401, a space is formed between the inner side of the bent arc plate 4 and the inner arc groove 201, and the bent arc plate 4 can move in the inner arc groove 201 at the same time, if the elasticity of the disc is good, the disc can press the disc pressing block 3 to be in a tight state, the thickness of the disc pressing block 3 is consistent with the thickness of the inner arc groove 201 and the outer preformed groove 202, the thickness of the inner arc groove 201 and the outer preformed groove 202 can limit the distance of the disc pressing block 3 moving in the inner arc groove 201, the disc tightly presses the disc pressing block 3, and the outer radian of the disc pressing block 3 is consistent with the outer radian of the disc pressing plate 2;

the inner arc groove 201 penetrates through the bottom surface of the disc supporting plate 2, the bent arc plate 4 extends out of the bottom surface of the disc supporting plate 2 and is located at the bottom of the outer side of the outer expanding supporting column 101, the bent arc plate 4 moves along with the disc supporting block 3 to be close to the bottom of the outer side of the outer expanding supporting column 101, the triangular bayonet 102 is arranged at the position, corresponding to the bent arc plate 4, of the outer side of the outer expanding supporting column 101, when the outer radian of the disc supporting block 3 and the outer radian of the disc supporting plate 2 are in a consistent state, the triangular bayonet 102 is clamped by the triangular pointed end 401, and a maintainer can judge the elastic strength of the disc by observing the position of the triangular pointed end 401, so that the convenient and rapid test work is carried out.

When the disc pressing plate 2 is pressed by a disc, the outward-expanding supporting columns 101 are arranged in a V shape, and the outward-expanding supporting columns 101 have stronger supporting force on the disc pressing plate 2, so that the connection fracture of the disc pressing plate 2 and the outward-expanding supporting columns 101 can be avoided.

Claims

1. Brake fatigue strength test tool, characterized in that brake fatigue strength test tool includes:

the tool supporting plate comprises a tool supporting plate (1), wherein outwards-expanded supporting columns (101) which are integrated with the tool supporting plate are fixed on the left side and the right side of the top of the tool supporting plate (1), and the two outwards-expanded supporting columns (101) are symmetrically arranged;

the number of the disc pressing plates (2) is two, the disc pressing plates (2) are respectively welded at the top ends of the outward-expanding supporting columns (101), an inner arc groove (201) is formed in each disc pressing plate (2), and the top of the outer side of the disc supporting plate (2) is provided with an outer preformed groove (202), the outer preformed groove (202) is communicated with the inner arc groove (201), and the inner part of the outer preformed groove (202) is connected with a disc abutting block (3) in a sliding way, the inner side of the disc abutting block (3) extends to the inner arc groove (201), and a plurality of extension springs (301) are fixedly connected between the inner side of the disc abutting block (3) and the inner arc groove (201), the bottom of the disc abutting block (3) is fixed with a bending arc plate (4) which is integrated with the disc abutting block, and the bent arc plate (4) is positioned inside the inner arc groove (201), and the tail end of the bent arc plate (4) is provided with a triangular pointed end (401).

2. The brake fatigue strength testing tool of claim 1, wherein: the outward-expanding supporting columns (101) are arranged in a V shape, and the disc pressing plates (2) are arranged oppositely.

3. The brake fatigue strength testing tool of claim 1, wherein: the outer end of the disc abutting block (3) protrudes out of the outer reserved groove (202), the outer radian of the disc abutting block (3) is consistent with the outer radian of the disc abutting plate (2), and the thickness of the disc abutting block (3) is consistent with the sum of the inner arc groove (201) and the outer reserved groove (202).

4. The brake fatigue strength testing tool of claim 1, wherein: the inner arc groove (201) penetrates through the bottom surface of the disc pressing plate (2), a space is formed between the inner side of the bent arc plate (4) and the inner arc groove (201), and the bent arc plate (4) extends out of the bottom surface of the disc pressing plate (2) and is located at the bottom of the outer side of the outward-expanding supporting column (101).

5. The brake fatigue strength testing tool of claim 4, wherein: the outer side of the outer expanding support column (101) is provided with a triangular bayonet (102) corresponding to the position of the bent arc plate (4), and the triangular pointed end (401) is mutually clamped with the triangular bayonet (102).