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我校起重运输机械专业七四级工农兵学员在教师指导下,设计了具有公共行星轮双内啮合2K-H行星齿轮减速器(参看图1),由我校机械厂试制两台,用于该厂机工车间的5吨单梁起重机大车运行机构上,至78年初已应用半年之久,使用情况良好。本刊1975年第4期介绍日本的“少齿差内齿轮差动减速器”的行星轮是个齿数不同的双联齿轮,存在着不便于用滚齿机加工齿轮等缺点。我们建议当减速器的传动比i=20～100时,可用一个齿轮代替双联行星齿轮,也就是两级内啮合齿轮付采用相同的行星轮,即公共行星轮,这样可使结构简单,加工方便。
Under the guidance of the teachers, the trainees and peasants and soldiers at the level of workers, peasants and soldiers of the Lifting and Transport Machinery Major in our school have designed a 2K-H planetary gear reducer with double planetary gear (see Figure 1) In the factory mechanic workshop 5 tons single-beam crane trolley operating agencies, to early 78 has been applied for six months, the use of good condition. Journal of the fourth period in 1975 the introduction of Japan’s “small teeth difference internal gear differential retarder” planetary gear is a different number of double gear, there is not easy to gear hobbing and other shortcomings. We suggest that a gear should be used instead of a double planetary gear when gear ratio i = 20 ~ 100, that is, the two-stage internal gear adopt the same planetary gear, that is, the common planetary gear, so that the structure is simple and the machining Convenience.