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其中:止动毂9的外齿与齿圈10的内齿相啮合,内花键与支承盘1的外花键相联;一排行星架11外侧的内齿与二排太阳轮14的外齿相联,属两级串联的行星齿轮减速机构;总减速比为16.3。链轮毂3由轴承4和5支承,内侧有一对浮动油封,中部凸缘上固定有链齿17,外部与行星架16用螺钉相联,其间由○形圈密封。行星齿轮13和15由圆锥滚子轴承支承在各自的行星架11和16上。腔内有润滑
The outer teeth of the stop hub 9 mesh with the inner teeth of the ring gear 10, and the inner splines connect with the outer splines of the support disc 1. The outer teeth of the outer row of the planet carrier 11 and the outer rows of the sun gear 14 The teeth are linked, which is a two-stage planetary gear reduction mechanism; the total reduction ratio is 16.3. The chain hub 3 is supported by the bearings 4 and 5 and has a pair of floating oil seals on the inner side, element teeth 17 fixed on the middle flange, and the outer part is connected with the planet carrier 16 with screws, and is sealed by a O-ring. The planet gears 13 and 15 are supported on the respective planet carriers 11 and 16 by tapered roller bearings. In-cavity lubrication