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转化机构法是求解动轴轮系的传动比、转速、作用到基本构件上的外加力矩和传动效率的最通行的方法。但是,由于3K型轮系比起2K—H型、K—H—V型要复杂,且系杆H不是基本构件。因而用转化机构法来解3K型轮系效率时,常在判定转化机构的功率流向处遇到困难,因此绕开而采用“替代法”,以致导出不完善的公式。这种情况在有的文献上常见到。本文探讨了3K型轮系转化机构功率流向形式、特性以及根据原机构功率传向来判定转化机构功率流向的方法等,并在此基础上导出3K型轮系的行星传动与差动传动的力矩公式和效率公式及差动传动的转速限制范围。 本文对(美)瑞兹莫夫斯基所提出来的求解差动传动效率方法和(日)两角宗晴的差动传动的(3K型)计算效率公式作了评述。
Transformation mechanism law is to solve the transmission shaft ratio of gear train, speed, the role of the basic components of the external torque and transmission efficiency of the most common way. However, since the 3K type train wheel is more complicated than the 2K-H type and the K-H-V type, the tie rod H is not a basic component. Therefore, when the mechanism of transformation mechanism is used to solve the efficiency of 3K gear train, it is often difficult to determine the power flow direction of the conversion mechanism. Therefore, the “substitution method” is bypassed so that an imperfect formula can be derived. This situation is common in some literature. This paper discusses the power flow form and characteristics of 3K-type train gear conversion mechanism and the method of determining the power flow direction of the conversion mechanism according to the power transmission of the original mechanism. Based on this, the torque formula of planetary transmission and differential transmission of 3K gear train is derived And efficiency formula and differential speed limit range. This article reviews the (3K) computational efficiency formula proposed by Rezmosforski for solving differential transmission efficiency and Zong Qing’s differential transmission.