单斗液压挖掘机工作装置优化设计邵忍平，黄欣娜，杨振平（西北工业大学）１前言挖掘机是由行走装置、回转装置和挖掘装置三大部分组成的，而挖掘装置通常由动臂、斗杆、铲斗三部分组成。在设计时挖掘装置的设计是比较复杂的，设计变量多、设计周期长、往往不能得到较满意... Single bucket hydraulic excavator working device optimization design Shao Renping, Huang Xinna, Yang Zhenping (Northwestern Polytechnical University) 1 Introduction The excavator is composed of three parts of the walking device, the rotary device and the excavating device, and the excavating device is usually composed of a boom, an arm, Bucket consists of three parts. The design of the excavation device during design is more complex, with many design variables, long design cycles, and often no satisfactory results...