KJ150型工程维修车是大中型露天矿山设备维护和保养的专用车辆。本文就其吊机与升降机配合作业的特点进行分析,并简介其液压系统和电气系统。 KJ150-type engineering maintenance vehicles are large and medium-sized open pit mining equipment maintenance and repair of special vehicles. This paper analyzes the characteristics of the crane and hoist with the operation, and briefs on its hydraulic system and electrical system.