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行星式变速箱传动比的一般计算法是:列出某档位传动路线所经过的行星排的特性方程式,然后联立解特性方程式即可计算出该档位的传动比。例如:日本小松WS16-2铲运机变速箱传动简图如图1所示,现计算其前进Ⅳ档的传动比i_Ⅳ。该档时结合离合器2、3,其传动路线为行星排2→行星排3→行星排5。首先列出行星排2、3、5的特性方程式:
The general calculation method of the planetary gearbox transmission ratio is to list the characteristic equations of the planetary rows through which a gear transmission route passes, and then the gear ratio of the gear can be calculated by the simultaneous solution characteristic equation. For example: Japan Komatsu WS16-2 Scraper Transmission Transmission diagram shown in Figure 1, now calculate the forward IV gear ratio i_IV. When the gear is combined with the clutches 2, 3, the transmission path is planetary row 2 → planetary row 3 → planetary row 5. First, the characteristic equations of the planetary rows 2, 3, and 5 are listed: