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Research on the Vibration and Matching Characteristics of the Typical Wheel-Rail Profiles of High-Speed Railway in China

机译:中国高速铁路典型轮轨轮廓振动与匹配特性研究

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In order to research on the vibration and matching characteristics of typical wheel-rail profiles, a long-term experimental test on the line A and line B lasting one year was conducted to record the wheel wear. The wheel wear, worn distribution and wheelset conicity is investigated for one continuous reprofiling cycle on high-speed line A and B in the China. The simulation model of a highspeed train is established using the Simpack multi-body dynamics software package, and the simulation results agree very well with field test in time-domain. Typical results of simulation are illustrated for the vibration characteristics. The conicity of line A remains stable with the increase of operation distance, and the corresponding carbody and bogie frame vibration acceleration frequency is basically stable. The conicity of line B increases with the increase of operation distance, and the corresponding carbody and bogie frame vibration acceleration frequency is higher.
机译:为了研究典型的轮轨轮廓的振动和匹配特性,进行了一行和线B持续一年的长期实验测试,以记录车轮磨损。 在中国高速线A和B上进行了一个连续的再生循环,研究了车轮磨损,磨损分布和轮孔结合。 使用SIMPACK多体动态软件包建立了高速列车的仿真模型,仿真结果非常适合在时域中的现场测试。 仿真的典型结果被示出为振动特性。 线A的Conicity随着操作距离的增加而保持稳定,并且相应的车身和转向架帧振动加速度基本稳定。 线B的Conicity随着操作距离的增加而增加,相应的车身和转向架帧振动加速度率较高。

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