一种交流传动机车牵引电机非传动端轴承失效分析与改进  

Failure analysis and improvement of non-drive end bearing of traction motor for a type of AC drive locomotive

作　　者：张宗峰 张福有 王曌新 赵亮 赵浛宇 ZHANG Zongfeng;ZHANG Fuyou;WANG Zhaoxin;ZHAO Liang;ZHAO Hanyu(CRRC Dalian Institute Co.,Ltd.,Dalian 116023,China)

机构地区：[1]中车大连机车研究所有限公司,辽宁大连116023

出　　处：《铁道机车与动车》2021年第12期40-44,I0002,共6页Railway Locomotive and Motor Car

摘　　要：介绍了一种交流传动机车牵引电机非传动端轴承运行失效的故障案例。对轴承失效原因进行了深入分析,对牵引电机支撑结构的合理性进行原理分析,提出改进方案和可以彻底解决轴承失效的优化措施。建议实施与推广改进方案。The paper introduces a failure case of the non-drive end bearing in the traction motor of an AC drive locomotive.We did an in-depth analysis on the causes of bearing failure,analyzed the rationality of traction motor support structures according to the theory,and proposed an improvement scheme and optimization measures that can completely solve the bearing failure.It is recommended to implement and promote the improvement scheme.

关 键 词：交流传动机车 牵引电机 轴承失效 分析与改进 

分 类 号：TE92[石油与天然气工程—石油机械设备]