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    STP1598

    Load Spectrum Test and Fatigue Failure Study of High-Speed Train Carbody Anti-Yawing Seat

    Published: 0


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    Abstract

    The anti-yawing damper installed between the carbody and bogie is an important component to improve the hunting motion stability of a railway vehicle. With the increase of service mileage, fatigue cracks occur in the weld joint between the carbody anti-yawing seat and underframe side beam, which seriously threatens the vehicle safety. A finite element simulation, bench test, and on-track test were carried out to analyze the dynamic stress and load of an anti-yawing seat. These studies showed that the longitudinal load induced by the anti-yawing damper is the primary load acted on the seat, which is higher than the design load and causes the weld joint failure.

    Keywords:

    anti-yawing seat, load spectrum, stress spectrum, fatigue failure


    Author Information:

    Wang, Wenjing
    Beijing Jiaotong University, School of Mechanical, Electronics and Control Engineering, Beijing,

    Bai, Jinyi
    Beijing Jiaotong University, School of Mechanical, Electronics and Control Engineering, Beijing,

    Li, Sichun
    Beijing Municipal Engineering Design & Research Institute Co. Ltd., Beijing,

    Zhao, Hongwei
    CRRC Qingdao Sifang Co., Ltd, Qingdao,

    Sun, Weiguang
    CRRC Qingdao Sifang Co., Ltd, Qingdao,


    Committee/Subcommittee: E08.03

    DOI: 10.1520/STP159820160065