通过对港机液压系统污染的主要因素及原因的分析,提出了通过对液压系统进行主动维护,对导致设备损坏的根源性参数进行检测与控制,以尽可能减少油液污染来降低设备故障率,延长元件及设备的使用寿命。 Based on the analysis of the main factors and reasons of the hydraulic system pollution in port machine, the author puts forward that through the active maintenance of hydraulic system, the root cause parameters of equipment damage are detected and controlled to reduce oil pollution as much as possible so as to reduce equipment failure rate , To extend the service life of components and equipment.