Method of Curve Simulation of Railway Vehicle on Roller Rig

doi:10.3901/JME.2018.16.127

Abstract

Abstract: The performance of the curve has an important influence on the long-term safe operation of the vehicle, and the indoor rolling vibration test is an efficient means to predict and optimize the performance. In order to research the circular curve simulation of railway vehicle on roller rig, considering the centrifugal force, the rail track ultra-high, the different length of inside and outside rail track, the track circular curve, a detailed vehicle test method is given. Regardless the impact effects of ease circle curves and circle curves, the results show that the contact point displacement, yaw motion angle of the wheel contact features, as well as lateral force, derailment coefficient, tread wear, and other characteristics of the wheel-rail forces are very similar between vehicle railway conditions and test rig conditions. The deviation values are less than 7%, from an engineering standpoint, the method of circular curve roll vibration simulation of the test rig is feasible.

Key words: circular curve, railway vehicle, roller rig, test method

CLC Number:

U260

LIU Weiwei, JIANG Ruijing, LIU Fengwei, ZHANG Liangwei, LI Yifan. Method of Curve Simulation of Railway Vehicle on Roller Rig[J]. Journal of Mechanical Engineering, 2018, 54(16): 127-133.

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