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文中将牵引车和挂车作为一个系统,分析并推导出此系统转向时,各轮转角之间的理论关系。采用了组合四杆机构作为挂车的转向机构,运用优化设计方法,对所选机构进行了设计,转角累积误差转小。
In this paper, tractor and trailer are taken as a system to analyze and deduce the theoretical relationship between the turning angles of the system when it is turned. The combined four-bar mechanism is adopted as the steering mechanism of the trailer, and the optimal design method is used to design the selected mechanism. The cumulative error of the rotation angle decreases.