两级封闭行星齿轮传动系统的设计研究

Research on Design of Two-stage Closed Planetary Geared Systems

通过对两类两级封闭行星齿轮传动系统的分析,研究了功率分配系数与系统内部功率流的关系,确定了无功率循环的必要条件,建立了功率分配系数与单元传动比的关系表达式以及效率计算公式。通过分析结合实例绘出的传动比和效率曲线图,说明只要合理地选择单元传动比便可获得高效率的传动,为两级封闭行星齿轮传动系统的高效率设计提供一种有效简洁的分析和处理方法。

The relationship between power partition coefficient and power flow in system is studied by analyzing two types of coaxial two-stage closed planetary geared systems.The necessary conditions for non-power circulation are determined.The relationship expression between power partition coefficient and the basic speed ratios is developed.The graphic charts of speed ratios and efficiency are plotted based on practical examples.By analyzing the graphic charts,it shows that the high efficiency transmission can be o...