A project of setting wheel baseplate is brought forward, which can change slipping friction into rolling friction.Optimizing the layouts of wheel baseplate can further decrease scant displacement.

• 提出设置滚轮式滑床板方案，将轨底与滑床板间的滑动摩擦转化为滚动摩擦，并优化滚轮式滑床板布置方式，进一步减小了尖轨不足位移。