一种适用于市域动车组的轴端接地装置设计  

Design of a shaft end earthing device suitable for urban EMU

作　　者：郭瑾玉 林平 孙云嵩 胡楚联 GUO Jinyu;LIN Ping;SUN Yunsong;HU Chulian(CRRC Zhuzhou Locomotive Co.,Ltd.,Zhuzhou 412001,China)

机构地区：[1]中车株洲电力机车有限公司,湖南株洲412001

出　　处：《电力机车与城轨车辆》2024年第6期107-112,共6页Electric Locomotives & Mass Transit Vehicles

摘　　要：市域动车组运行速度快,轮轴转速高,且列车启停频繁,因而加剧了轴端接地装置的磨耗。文章提出一种适用于市域动车组的轴端接地装置,介绍了该装置的结构设计特点,应用有限元软件对装置进行了静强度计算和疲劳强度校核,并通过错频试验、带电磨耗试验、带电冲击振动试验对装置的可靠性进行了验证。计算和试验结果显示,该轴端接地装置结构设计合理,材料强度满足市域动车组的使用要求。The urban EMU runs fast,the axle speed is high,and the train starts and stops frequently,which aggravates the wear of the shaft end earthing device.In this paper,a shaft end earthing device suitable for urban EMU is proposed.The structural design characteristics of the device are introduced.The static strength calculation and fatigue strength check of the device are carried out by using finite element software.The reliability of the device is verified by staggered frequency test,live wear test and live impact vibration test.The calculation and test results show that the structure design of the shaft end earthing device is reasonable,and the material strength meets the requirements of urban EMU.

关 键 词：市域动车组 轴端接地装置 设计 可靠性试验 

分 类 号：U266.2.7[机械工程—车辆工程]