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液压动力换挡变速器由于具有结构紧凑，传动效率高，结构刚度大，操纵方便等优点，在工程机械中得到广泛应用。１换挡离合器控制油路 以日本小松ＷＡ１００—１型装载机的液压动力换挡离合器控制油路为例（图１）进行分析。它包括变矩器补偿、冷却油路，变速器和变矩器中齿轮、
Hydraulic power shift transmission due to its compact structure, high transmission efficiency, structural rigidity, easy operation, etc., are widely used in construction machinery. 1 Shift Clutch Control Circuit The hydraulic power shift clutch control circuit of Japan’s Komatsu WA100-1 Loader is taken as an example (Figure 1). It includes torque converter compensation, cooling oil, transmission and torque converter gears,