Elastic wheel for railcar

The utility model discloses an elastic wheel for railcar, including rim (1), core wheel (4), its characterized in that: rim (1) and core wheel (4) between the interference gomphosis have the cross -section to be rubber layer (2) of bowl type, and the width of rubber layer (2) is less than the width of rim (1), core wheel (4) be equipped with the mounting groove in the outside on rubber layer (2), inner thread that collar (3) and rubber layer (2) back and core wheel (4) were passed to collar (3) and mounting groove interference fit, bolt (5) is connected. This kind of elastic wheel simple structure, having suitable radial and axial stiffness, falling that to make an uproar the vibration isolation effectual, the security is high. 本实用新型公开了种地铁车辆用弹性车轮，包括轮辋(1)、轮心(4)，其特征在于：所述的轮辋(1)与轮心(4)之间过盈嵌合有截面呈碗型的橡胶层(2)，且橡胶层(2)的宽度小于轮辋(1)的宽度；所述的轮心(4)在橡胶层(2)的外侧设有安装槽，安装环(3)与安装槽过盈配合，螺栓(5)穿过安装环(3)及橡胶层(2)后与轮心(4)的内侧螺纹连接。该种弹性车轮结构简单、具有合适的径向和轴向刚度，降噪隔振效果好，安全性高。