比较了整体车轮和独立车轮的优缺点;介绍了独立车轮转向架的工作原理。在此基础上,着重介绍了RT—X1独立车轮转向架的结构特点及新开发的独立车轮用踏面的原理和性能。为确认这种转向架的性能,对其进行了试验台试验和现车试验,列出了试验结果。 The advantages and disadvantages of the integral wheel and the independent wheel are compared; the working principle of the independent wheel bogie is introduced. On this basis, the structure characteristics of RT-X1 independent wheel bogies and the principle and performance of the newly developed independent wheel tread are introduced. In order to confirm the performance of this kind of bogie, it has carried on the test bench test and the current car test, has listed the test result.