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本文从机构特性出发,应用广义传动比、广义转化机构和功率传向图等新方法,较简便地、对于啮合功率法来说也是严密地推导出2K—H型差动传动效率计算十个公式。这十个公式,概括了2K—H型的正号机构和负号机构各种啮合形式的差动传动和行星传动的效率计算;推导出3K型效率计算十个公式,这十个公式也概括了差动传动和行星传动的效率计算。文中还证明了2K—H型负号机构的六个功率传向方案,就是正号机构和3K型机构也各有两个传向方案的差动传动效率高于转化机构效率。
In this paper, starting from the characteristics of the mechanism, applying generalized transmission ratio, generalized conversion mechanism and power transfer diagram and other new methods, more simply, for the meshing power method is also strictly deduced 10K-H differential transmission efficiency formula . The ten formulas summarize the efficiency calculations of various meshing differential transmissions and planetary drives of the 2K-H type positive and negative mechanisms; and derive the 3K efficiency calculations of ten formulas, which are also summarized The differential and planetary transmission efficiency calculation. The paper also proves that the two power transmission schemes of 2K-H negative sign agencies are that the positive drive and the 3K-type institutions each have two transmission schemes with differential transmission efficiency higher than that of the conversion mechanism.