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Study on Testing for Load Spectrum of CRH6Bogie

Author: GuoQiZong
Tutor: LiQiang
School: Beijing Jiaotong University
Course: Vehicle Engineering
Keywords: Train-set Intercity train Bogie frame Load identification Loadspectrum
CLC: U266
Type: Master's thesis
Year: 2014
Downloads: 58
Quote: 0
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Abstract


Drawing the load spectrum is the basic foundation of reliability design and relevant experiments. The load spectrums of several types of trains and railway lines have been drawn with the development of high-speed train technology and its deep research in our country. These have contributed a lot to draw the load spectrum of high-speed train for our country railway line condition. This article focuses on the bogie frame of CRH6intercity train-set. The load transfer coefficient has been obtained by test, calculation and analysis. The load spectrum has been drawn on Chengyu and Dacheng fast railway line.The bogie bearing of CRH6bogie frame could divided into on the frame and beyond the frame by researching the load states, this paper is focusing on the former. According to UIC615-4, the stress value and the response range of the frame were found by simulation calculation with Ansys and the load identification project of CRH6bogie frame was determined. Based on this project, the calibration test of the frame has been testing in Beijing Jiaotong University structural strength laboratory. Get the load transfer coefficient of CRH6bogie frame from analysis and processing the results of load identification and it was also verified that the feasibility of the frame load identification project. CRH6bogie frame has been tested with all working condition on Chengyu and Dacheng fast railway line. By Mycode to processed the testing data, the loading value and frequency was reserved according to the point position and the load transfer coefficient during the train running, namely the load spectrum was established on Chengyu and Dacheng fast railway line of CRH6new vehicle motor bogie frame.This paper is a basis for load spectrum research of high-speed train and intercity train, is a reference for life and fatigue reliability research of bogie frame.

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CLC: > Transportation > Rail transport > Locomotive works > EMU,EMU (power train )
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