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直线电机轮轨交通车辆通常车厢底板高度低,车体尺寸小,与传统地铁车辆相比,具有车辆限界小的特点.目前地铁车站站台边缘与车体间空隙过大,导致乘客上下车时经常发生踏空受伤事件.本文针对广州地铁4号线直线电机轮轨交通系统,采用车线动力分析的方法,建立了直线电机轮轨车辆侧向动态偏移计算模型,在此基础上分析了不同线路状态、不同运行速度等条件下车辆各方向运动情况,计算了站台面高度处车体的横向最大侧移,并以该值作为车辆限界确定站台与车辆间空隙.研究表明:广州地铁4号线站台与车辆间隙还可以缩小20 mm.
Linear motor wheel and rail transport vehicles usually carriage floor height is low, the body size is small, compared with the traditional subway vehicles, vehicles with small boundaries.Because the metro station platform edge and body gap is too large, resulting in passengers getting on and off often The occurrence of a damaging incident occurred in this paper.In order to deal with the linear motor wheel-rail transportation system of Line 4 of Guangzhou Metro Line, this paper established the calculation model of the lateral dynamic displacement of the linear motor wheel-rail vehicle by using the method of vehicle line dynamic analysis. On this basis, Line state and different running speed, the lateral maximum lateral displacement of the vehicle body at the platform surface height was calculated and the value was taken as the vehicle boundary to determine the gap between the platform and the vehicle.The research shows that Guangzhou Metro No.4 Line platform and vehicle clearance can also be reduced 20 mm.