APM300系统靴轨冲突影响因素分析  

Influencing Factors of Conflict between APM300 System Current Collector and Power Supply Rail

作　　者：王琰 WANG Yan(Shanghai Keolis Public Transport Operation Management Co.,Ltd.,200070,Shanghai,China)

机构地区：[1]上海申凯公共交通运营管理有限公司,上海200070

出　　处：《城市轨道交通研究》2022年第S01期11-16,共6页Urban Mass Transit

摘　　要：APM300系统车辆采用第三轨受流,受流器通过供电轨轨缝处时会产生较大的冲击。采用UM软件建立了受流器动力学模型,根据供电轨和受流块的接触特性提出了受流器靴轨冲突评价指标,并仿真分析了供电轨轨缝位置偏差和受流器弹簧刚度对受流器靴轨冲突的影响。仿真结果表明:轨缝前后绝缘轨接的前凹后凸和前高后低情况恶化了受流器通过轨缝的安全性;增大复原拉簧刚度有利于减小靴轨最大间隙、减小受电靴横向加速度的最大值。为确保受流器平稳通过供电轨轨缝处,要将供电轨轨缝的横向安装位置偏差和纵向高差严格控制在1.5 mm以内,或将横向安装间隙控制在1 mm以内、将纵向高差控制在2 mm以内;当复原拉簧刚度低于3000 N/m时要及时更换。APM(automatic people mover)300 vehicle adopts the third rail for current collection,but a large impact will occur at track gaps of the power rail where the current collector passes through.A dynamic model of current collector is established by using UM(universal mechanism)software.According to the contact characteristics of the power supply rail and the current collector shoe,a shoe-rail conflict index of the current collector is proposed,and the influence of track gap position deviation of the power rail and spring stiffness of the current collector on the shoe-rail conflict is simulated.The results show that the high front concave and the low back convex at the insulated gaps before and after the rail seam deteriorate the safety of the current collector while passing through the rail seam.Therefore,increasing the stiffness of the restoring tension spring helps to reduce the maximum gap between the current collector and the power rail,at the same time reduces the maximum value of the lateral acceleration of the current collector.In order to ensure the smooth operation of the collector at the rail seam,the horizontal installation position deviation and the longitudinal height difference of the power rail seam should be strictly controlled within 1.5 mm,or the horizontal installation gap be controlled within 1 mm,the longitudinal height difference be controlled within 2 mm.When the stiffness of the restoring tension spring is lower than 3000 N/m,the spring should be replaced in time.

关 键 词：APM300系统 靴轨冲突 受流器 供电轨轨缝 

分 类 号：U270.381[机械工程—车辆工程]