吊机液压系统典型故障的维修和改进

Repair and Improvement of the Typical Faults in Hydraulic System of Crane

针对吊机液压系统经常出现的故障,在认真查找导致故障的根本原因的基础上,对故障进行对比分析,发现密封圈的老化和破损是造成故障的根本原因,提出针对这类故障的维修措施和改进意见。

The common faults occurred frequently in the hydraulic system of crane are investigated and compared seriously. The authors find that the aging and damage of the sealing ring are the fundamental reasons for the malfunction of the hydraulic system. The maintaining measures and improvement suggestions for this kind of faults are put forward.