The heavy haul coupler/buffer system equipped with arc surfaces on the coupler tail and the follower is widely applied to connect the locomotives and wagons. As one of the most important parameters, arc surfaces friction coefficient plays a key role in coupler instability, which threatens the safety of trains. To investigate the effect of arc surfaces friction coefficient on coupler stability, a simulation model adopting the latest modelling methods is established and field tests employing the locomotives equipped with different friction coefficients are conducted. The results show that the friction coefficient of arc surfaces can affect the coupler yaw angle remarkably. Increasing the friction coefficient can improve the coupler stability. However, under severe compressive force condition, the increased friction coefficient can be reduced quickly, which calls for further attention.


    Access

    Access via TIB

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Effect of arc surfaces friction coefficient on coupler stability in heavy haul locomotives: simulation and experiment



    Published in:

    Publication date :

    2017




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.20 / 50.32 / 50.32 Dynamik, Schwingungslehre / 55.20 Straßenfahrzeugtechnik
    Local classification TIB:    535/7020



    Effect of arc surfaces friction coefficient on coupler stability in heavy haul locomotives: simulation and experiment

    Shi, Zhiyong / Wang, Kaiyun / Guo, Lirong et al. | Taylor & Francis Verlag | 2017


    Coupler dynamic performance analysis of heavy haul locomotives

    Ma, Weihua / Luo, Shihui / Song, Rongrong | Taylor & Francis Verlag | 2012


    Coupler dynamic performance analysis of heavy haul locomotives

    Ma,W. / Luo,S. / Song,R. et al. | Automotive engineering | 2012