Influence of structural solutions of an improved brake cylinder of a freight car of railway transport on its load in operation

Author:

Panchenko SergiiORCID,Vatulia GlibORCID,Lovska AlyonaORCID,Ravlyuk VasylORCID,Elyazov IsrailORCID,Huseynov IlhamORCID

Abstract

The object of research is the processes of occurrence, perception and redistribution of loads in the design of the car brake cylinder in operation. To compensate for angular shifts of the brake cylinder rod at its maximum exit from the housing, improvement measures are proposed. This improvement consists in the use of a safety element to limit the angular movements of the rod when leaving the body. The load of the brake cylinder rod during its angular displacements is determined. The condition for ensuring the strength of the rod is obtained. The optimal parameters of the pipe of the safety element (limiter) of the brake cylinder rod were determined by its allowable moment of resistance. For the possibility of moving the levers interacting with the stem, special windows are provided in the limiter. It is proposed to fix the limiter to the cover by welding. To determine the strength of the brake cylinder, a calculation was made using the finite element method. The results of a robust calculation showed that the maximum equivalent stresses occur in the brake cylinder cover and amount to 118.5 MPa. Therefore, the strength of the brake cylinder is ensured. A feature of the obtained results is that the proposed improvement can be applied not only at the stage of designing a brake cylinder, but also at the stage of modernization. The sphere of practical use of the obtained results is railway transport. The conditions for the practical use of the results are the absence of deformations of the brake cylinder rod. The research carried out will help to improve the efficiency of rolling stock brakes, ensure traffic safety, increase rolling stock speeds, deliver goods, etc. Also, the conducted research will contribute to the creation of developments to improve the reliability of the rolling stock brakes

Publisher

OU Scientific Route

Subject

General Physics and Astronomy,General Engineering

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