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本文提出了应用相对运动方程求解平面连杆机构运动的统一的简化解析法。按照这一方法,无需经过中间的复杂求导过程,也无需像文献(4)那样须经过较繁的矢量积运算,即可获得机构在一个循环中运动的精确解。文中以铰链四杆机构为典型阐明简化解析法,并推导出有关公式。为了说明可把它应用于一般平面多杆机构的运动分析,举了广西南宁印刷机械厂生产的自动四开一回转平台印刷机主传动机构等两个分析计算实例,经实践验证是正确的。
In this paper, we put forward a unified and simplified analytical method to solve the motion of planar linkage using relative motion equation. According to this method, an exact solution of the mechanism’s motion in one cycle can be obtained without going through the intermediate complicated derivation process and without having to go through a complicated vector product operation as in (4). In this paper, hinge four-bar mechanism as a typical simplified analytic method, and deduced the formula. In order to illustrate that it can be applied to the general plane multi-bar mechanism of motion analysis, citing Guangxi Nanning Printing Machinery Factory production of automatic four open a rotary plateau printing machine main drive two analysis and calculation examples, the practice proved to be correct.