地铁车辆关键部件改造技术与实践

中图分类号： 文献标识码： 文章编号：1003-8639(2025)05-0194-03

Technology and Practice of Transformation of Key Components of Subway Vehicles

Zhao Yixiong

（Beijing Metro Operation Co.，Ltd.，Operates Three Branches，Beijing ，China）

【Abstract】 This paper aims to solve the problems such as performance degradation，increased operational safety risksand rising maintenance costs during the service of key components of subway vehicles.Through literature research and caseanalysis，thedevelopment status and aplicationof the transformation technologyof keycomponentsof subway vehiclesat homeandabroadaresystematicaly investigated.A technical scheme forthereconstructionof bogie system, traction brake system and vehicle control system is proposed，and a reconstruction decision support system based on big dataisdeveloped，and thereconstruction practiceis implemented in typical subway lines.Theresultsshow that the transformation technologyand management method proposed in this studycan significantly improve the performance and reliability of key vehiclecomponents，extend theservice life，reduce the maintenance cost，improve theoperation safety，and have good economic and social benefits.

【Key words】 subway vehicle； transformation of key components；bogie system； traction brake system

0 引言

随着城市化进程加速，城市轨道交通作为绿色、高效的大容量公共交通方式，在缓解城市交通拥堵、优化城市空间结构方面发挥着重要作用。（剩余5064字）