雷克萨斯LS460装备8速自动变速器动力传动分析

Power Transmission Analysis of LEXUS LS460 Equipped 8-speed Automatic Transmission

雷克萨斯LS460装备8速自动变速器的齿轮传动机构,包括一个双级行星齿轮机构和一个拉维纳式行星齿轮机构的组合,其内齿圈是动力输出端,换挡执行元件包括C1、C2、C3、C4、B1、B2、F1等。分析了8个前进挡和2个倒挡动力传动路线以及各个执行元件的作用。

The transmission mechanism of LEXUS LS460 equipped with 8-speed automatic transmission includes one double grade planetary gear transmission mechanism and one Ravenna planetary gear transmission mechanism. Its inner gear ring is power output end. Shift gear elements include C1, C2, C3, C4, B1, B2, F1 and so on. Power transmission route of 8 forward gears and 2 reverse gears and function of every implement elements are analyzed.