多功能挖掘机除了具有回转、动臂、斗杆等工作装置的动作外,还可根据作业需求拆下铲斗,安装剪切、破碎、装载、钻孔等可选装置。本文介绍一种用于多功能挖掘机的优先功能控制设备,可使操作者能够控制可选装置的优先顺序或优先程度。1.目前挖掘机的优先功能目前挖掘机的优先功能包括动臂优先、回转优先等。为实现动臂优先功能,需在液压泵 In addition to the multi-purpose excavator swing, boom, stick and other work equipment movements, but also according to operational requirements removed bucket, install cutting, crushing, loading, drilling and other optional devices. This article describes a priority function control device for a multi-purpose excavator that gives the operator the ability to prioritize or prioritize alternative devices. 1. The current excavator priority function Excavator priority features include boom priority, swing priority and so on. In order to achieve boom priority function, the need for hydraulic pump