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轮轨相互作用在很大程度上取决于车轮踏面形式及其断面形状。运行安全性和运行允许速度(轮轨在钢轨上的稳定性),轮轨磨耗的快慢和运行阻力的大小都与其有关。采用最合理的断面形状可以得到很大的技术经济效果。在苏联铁路中客货车轮对以及内燃车组、电动车组、保温车、地下铁道车辆的轮箍还是按照1926年采用的统一标准进行旋削(图1)。它是在过去运用经验和几何计算的基础上制订的。这种断面作为机车车辆车
Wheel-rail interaction depends to a large extent on the form of the wheel tread and its cross-sectional shape. Operational safety and speed of operation (wheel and rail stability on the rail), wheel and rail wear speed and the size of the operational resistance are related. Using the most reasonable cross-sectional shape can be a great technical and economic results. The wheels of the passenger and cargo wheels on the Soviet railway and the wheels of the diesel train, the EMU, the insulation car and the mass transit railway were also rotated according to the uniform standards adopted in 1926 (Figure 1). It is based on past experience and geometric calculations. This section as a rolling stock car