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Epicyclic gear system having two arrays of pinions mounted on flexpins with compensation for carrier distortion
Epicyclic gear system having two arrays of pinions mounted on flexpins with compensation for carrier distortion
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机译：行星齿轮系统，其两个小齿轮阵列安装在柔性销上，可补偿齿轮架变形
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摘要
An epicyclic gear system includes sun and ring gears (2, 4), planet pinions (6, 8) arrayed (a, b) between these gears, and a carrier (10) to which planet pinions are coupled through flexpins (30). The pinions are located between carrier walls (20, 22) with flexpins for the respective arrays cantilevered from opposite walls. The carrier is subjected to externally applied torque which transfers through the system. The load path (pa) for one array is shorter than that (pb) for the other array, which disparity causes carrier distortion with flexpins on one wall angularly displaced from flexpins on the other wall. The system compensates for this by one wall having areas (40, 44) of weakness where the flexpins cantilever from it. This enables the pinions of the two arrays to better mesh under a load and share torque transfer more evenly.
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机译：周转齿轮系统包括太阳轮和齿圈（ 2，4 ），排列在这些齿轮之间（a，b）的行星小齿轮（ 6、8 ）和行星齿轮架（ 10 ），行星小齿轮通过弹性销（ 30 ）与之相连。小齿轮位于承载壁（ 20、22 ）之间，各个阵列的柔性销从相对的壁悬臂伸出。支架承受外部施加的扭矩，该扭矩通过系统传递。一个阵列的负载路径（p a ）短于另一阵列的负载路径（p b ），这种差异会导致载波变形，其中一面墙的挠性销与墙角成一定角度另一根墙上的别针。该系统通过具有一处薄弱区域（ 40、44 ）的薄壁来对此进行补偿，在薄弱区域中挠性销会从薄壁处伸出。这使得两个阵列的小齿轮可以在负载下更好地啮合，并更均匀地共享扭矩传递。
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