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1.故障现象1台新组装的山推SD16型推土机在试机过程中,驾驶员在发动机怠速(900r/min)状态下拉动一侧转向手柄时,该推土机不转向。驾驶员在发动机高速(2000r/min)状态下拉动一侧转向手柄时,该推土机转向恢复正常。由于存在此故障,造成该推土机无法交付。2.转向离合器结构及工作原理推土机后桥箱内设置了2组常接合式转向离合器,分别控制左、右侧履带动作。该型推土机转向离合器由被动鼓1、压装装置2、主动摩擦片3、被动摩
1. Symptoms A newly assembled Shantui SD16 bulldozer did not turn when the pilot pulled the side steering handle while the engine was idle (900r / min) during the test run. When the driver pulls one side of the steering handle at high engine speed (2000 r / min), the bulldozer returns to normal steering. This bulldozer was unable to deliver due to this fault. 2. Steering clutch structure and working principle Bulldozer rear axle box is set to 2 sets of normally engaged steering clutch, respectively, to control the left and right track movements. This type of bulldozer steering clutch consists of a passive drum 1, pressing device 2, the active friction plate 3, passive motor