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1.故障现象1台配装了四合一铲斗(具有铲斗开闭功能)的XG30100型滑移装载机,装配完成进行试机时,试机人员操纵动臂手柄使动臂升、降,操纵转斗手柄使铲斗收、放,操纵四合一铲斗手柄进行铲斗开、闭动作。这样操纵几次之后,发生动臂、转斗和四合一铲斗都不能动作故障。2.液压系统组成和工作原理(1)组成该滑移装载机工作装置液压系统主要由工作泵1、多路换向阀2、调平阀3、转斗缸4、
1. Symptom 1 equipped with a four-in-one bucket (with bucket opening and closing function) XG30100 skid steer loader, the assembly is complete test machine, the pilot manipulated boom handle so that the boom up and down , Manipulate the bucket handle to make the bucket receive, release, manipulate the four-in-one bucket handle to open and close the bucket. After this operation several times, the occurrence of boom, bucket and four-in-one bucket can not malfunction. 2. Composition and working principle of the hydraulic system (1) The hydraulic system of the working device of the skid steer loader mainly consists of a working pump 1, a multi-way reversing valve 2, a leveling valve 3, a turning cylinder 4,