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１铁路道碴清筛机行走变速器铁路道碴清筛机在转移工地、区间自力行走时常要求它高速运行，以与客货列车运行速度相近。因此，运行时速可达７０～８０ｋｍ／ｈ。但是，当道碴清筛机起道清筛枕底道碴时，其作业行走速度应在０～１ｋｍ／ｈ范围内并可无节调速。如何设计一行走变
A railway ballast cleaning machine walking transmission Rail ballast cleaning machine in the transfer of the site, self-walking range often require it to run at high speed, with the passenger and freight trains running at a similar speed. Therefore, the operating speed up to 70 ~ 80km / h. However, when the ballast cleaning machine starts to clean the ballast on the bottom of the pillow, the operating speed of the ballast cleaning machine should be within the range of 0 ~ 1km / h and the speed can be adjusted without any section. How to design a walk to change