挖掘机平地轨迹仿真及平地过程液压系统流量分配研究  

Research of Excavator Grading Track Simulation and Hydraulic Sys-tem Flow Rate Distribution

作　　者：侯超[1] 李莺莺[1] 杨清淞[1] 刘志东[1] 王强[1] 王建任[1] 杨红[2] 胡艳如[1] 

机构地区：[1]天津工程机械研究院 [2]天津西门子电气传动有限公司

出　　处：《工程机械》2015年第12期42-47,9,共6页Construction Machinery and Equipment

基　　金：国家科技支撑计划课题资助(2015BAF07B01)

摘　　要：以23t液压挖掘机为研究对象,分析挖掘机平整作业工况的特点,从理论上推导其工作装置运动的模型,根据挖掘机模型在平整作业过程中的铲斗齿尖运动规律,得到各驱动液压缸的行程匹配关系。通过改变动臂液压缸和斗杆液压缸的流量分配比例关系,对平整作业过程中挖掘机的平整精细性和平整效率进行对比试验和分析,为后续挖掘机设计过程中的流量分配提供参考依据。It takes a 23 t hydraulic excavator as an object for study by analyzing its features under grading conditions to derive a model for its attachment's movement on which to find out the bucket tip's movement law and match relation of the cylinders. Through var-ying flow-rate proportional distribution relation between the arm cylinder and the bucket stick cylinder to test and analyze comparatively fineness and ef-ficiency of the grading, thus providing a reference for flow-rate distribution in excavators design to come.

关 键 词：挖掘机 平整作业 Pro/E仿真 流量分配 

分 类 号：TU621[建筑科学—建筑技术科学]