Gap Elimination Device

A technology of gaps and connecting blocks, which is applied in the field of tread brakes, can solve problems such as loose fit, gaps, and restrictions on the tangential freedom of the brake beam, so as to avoid accidental sliding, realize load transmission, and achieve the effect of good restraint
CN105954050BInactive Publication Date: 2018-06-05CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CRRC QINGDAO SIFANG ROLLING STOCK RES INST
Publication Date
2018-06-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

A gap elimination device provided by the present invention is used to eliminate a gap between a brake shoe and a brake head at a brake beam fatigue test, and comprises a connecting block capable of connecting the brake shoe and the brake head. The top of the connecting block is a trapezoidal end matching a trapezoidal groove on the brake head, and opening grooves are arranged on the gradient surfaces at the two sides of the trapezoidal end. Adjusting blocks capable of moving in the opening grooves match in the opening grooves, and the positions of the adjusting blocks in the opening grooves are moved to eliminate a gap between the top side surface of the connecting block and the brake head. The gap elimination device is equipped with the connecting block and the adjusting blocks according to the shape of the gap between the brake shoe and the brake head, thereby not only being able to eliminate the gap, but also being able to realize the stepless adjustment.
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Description

technical field

[0001] The invention relates to the field of tread brakes of rail transit vehicles, in particular to an eliminating device for eliminating the gap between a brake shoe and a brake shoe support. Background technique

[0002] The brake beam is the most important part of the basic braking device of the railway freight car. When the vehicle is braking, the braking force is transmitted to the brake shoe through the brake beam, and then the vehicle is braked. The fatigue test of the brake beam is the assessment An important measure of brake beam reliability. In the fatigue test of the brake beam, the installation gaps affecting the test results should be eliminated, so that the load can be applied at a set frequency during the test without increasing the load application distance; at the same time, the brake beam under test The position does not change so as to ensure the accuracy of the test.

[0003] The braking of a railway vehicle is through the brake shoe pr...

Claims

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