The invention provides a wheel tread structure of a metro vehicle, and belongs to the technical field of rail transit, the wheel tread structure of the metro vehicle comprises a rim, a throat root circle high taper area, a normal working area, a nominal rolling circle, an outer end low taper area and an outer end chamfering area which are smoothly connected in sequence, the wheel flange comprises a first wheel flange straight line section, a first wheel flange arc section, a second wheel flange straight line section, a second wheel flange arc section and a third wheel flange straight line section which are sequentially connected in a tangent mode, and the throat root circle high-taper area comprises a throat root circle high-taper area first arc section. And one end of the throat root circle high-taper area first arc section is smoothly and tangentially connected with the rim third linear section, and the other end is smoothly and tangentially connected with the normal working area. According to the wheel tread structure of the metro vehicle, the wheel flange abrasion can be reduced, and the running stability of the vehicle is improved.
本申请提供了一种地铁车辆的车轮踏面结构,属于轨道交通技术领域,该地铁车辆的车轮踏面结构包括:依次平滑连接的轮缘、喉根圆高锥度区、常工作区、名义滚动圆、外端低锥度区和外端倒角区,轮缘包括依次以相切的形式连接的轮缘第一直线段、轮缘第一圆弧段、轮缘第二直线段、轮缘第二圆弧段和轮缘第三直线段,喉根圆高锥度区包括喉根圆高锥度区第一圆弧段,喉根圆高锥度区第一圆弧段的一端与轮缘第三直线段平滑相切连接,另一端与常工作区平滑相切连接。本申请的地铁车辆的车轮踏面结构,能够减小轮缘磨耗,提高车辆运行的平稳性。
Wheel tread structure of metro vehicle
地铁车辆的车轮踏面结构
2024-07-09
Patent
Electronic Resource
Chinese
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
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