T180推土机采用弹簧压紧,液压分离的湿式转向离合器,其操纵系统见图1。由图1可见,限压阀调定压力变化,或限压阀发生故障,将直接影响转向液压缸的推力。我公司的一台T180推土机由于限压阀故障,使进入液压缸的压力偏高,在过大的推力作用下,把转向离合器主动鼓压碎了(弹簧座处破碎),并且活塞和弹簧压盘都前移,无法拆卸修理而 The T180 bulldozer uses a spring-pressurized, hydraulically-separated wet steering clutch whose operating system is shown in Figure 1. As can be seen from Figure 1, the pressure limiting valve to adjust the pressure change, or failure of the pressure limiting valve, will directly affect the steering cylinder thrust. A T180 bulldozer of our company has a high pressure in the hydraulic cylinder due to the failure of the pressure limiting valve. Under the action of excessive thrust, the active drum of the steering clutch is crushed (broken at the spring seat), and the piston and spring pressure The plates are all moved forward and cannot be dismantled and repaired