卸船机起升低速制动器液压系统故障诊断与排除  

Fault Diagnosis and Troubleshooting of Hydraulic System for Hoist Low Speed Brake of Ship Unloader

作　　者：孙治国[1] 葛长清 SUN Zhi-guo;GE Chang-qing(Qingdao Harbour Vocational and Technical College,Qingdao 266404,China;Qingdao Qianwan United Container Terminal Co.,Ltd.,Qingdao 266555,China)

机构地区：[1]青岛港湾职业技术学院,青岛266404 [2]青岛前湾联合集装箱码头有限责任公司,青岛266555

出　　处：《价值工程》2018年第34期146-147,共2页Value Engineering

基　　金：2017年度山东省职业教育教学改革研究立项<基于港口机械工程实际应用的液压与气压传动课程教学改革研究>;编号:2017628

摘　　要：针对卸船机起升低速制动器出现的蝶簧使用寿命缩短故障,根据液压系统故障排除的一般流程,首先对低速制动器液压系统工作原理进行分析,然后通过仪表测量参数的方法,归纳分析找出压力继电器这个故障源并进行排除,最后剖析其故障原因。In view of the short service life of butterfly spring in hoist low-speed brake of ship unloader,according to the general procedure of troubleshooting of hydraulic system,firstly the working principle of the low-speed brake hydraulic system is analyzed,then by means of measuring parameters of instrument,inductive analysis is made to find out the source of the pressure relay fault and eliminate it.Finally,the cause of the failure is anatomized.

关 键 词：卸船机 低速制动器 液压系统 压力继电器 故障排除 

分 类 号：U653.928.1[交通运输工程—港口、海岸及近海工程]