【摘要】 护轨对确保车辆顺利通过道岔起着重要的作用。在车辆 -道岔空间耦合振动模型 [1 ]的基础上 ,以 12号单开提速道岔为例 ,利用轮缘槽和动态轮轨间隙量 ,给出了计算道岔护轨横向冲击力的方法 ,模拟计算了车辆侧向过岔时护轨的冲击振动情况。更多还原

【Abstract】 The guard rail plays an im po rtant role of ensuring the vehicle passing through the turnout zone successfully . Based on a vehicle/turnout spatial interaction model, setting the No.12 speed -raised single-way turnout as an example, a method which the flangeway clearan ce and the wheel-rail dynamical clearanec are considered, is presented in this paper to calculate the lateral impact force acting on the guard rail, and the dy namic responses of guard rail are simulated while the vehicle passing through th e turnout zone.更多还原