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1.故障现象某3~5t级节能型装载机在使用过程中,其行星式变速器输出端容易出现漏油故障。经检查,发现输出轴连接法兰上的主密封圈和防尘密封圈均产生严重磨损。其中主密封圈双唇口与连接法兰配合面已磨损出较大间隙;防尘密封圈双唇口存在严重的干摩擦现象,且其唇口处沉积许多泥沙。2.行星式变速器结构该3~5t级节能型装载机的行星式变速器具有结构紧凑、传动效率高、操作简便、使用寿命长等优点,适应低转速、节能型发动机要求。该型变速器由液力变矩器和动力换挡变速箱2部分组
1. Fault phenomenon A 3 ~ 5t class energy-saving loader in use, its planetary gearbox output prone to oil spills. Upon examination, it was found that the main shaft and dust seal on the flange of the output shaft were severely worn. One of the main seal lip and the connecting flange mating surface has worn out a larger gap; dust seal double lip serious dry friction phenomenon, and the deposition of many sediments at the lip. 2. Planetary Transmission Structure The 3 ~ 5t-class energy-saving loaders planetary transmission has the advantages of compact structure, high transmission efficiency, easy operation, long service life, etc., to adapt to low-speed, energy-saving engine requirements. This type of transmission from the torque converter and power shift transmission 2 part of the group