大型液压挖掘机液压系统节能技术的研究  

Research on Energy Saving Technologies for Hydraulic System of Large Hydraulic Excavator

作　　者：孟志明[1] 贺元成[2] 郑庭[1] 

机构地区：[1]四川理工学院机械工程学院,四川自贡643000 [2]泸州职业技术学院机械工程学院,四川泸州646000

出　　处：《机床与液压》2015年第10期102-104,126,共4页Machine Tool & Hydraulics

基　　金：四川省科技计划项目(2013GZX0151);四川省高校重点实验室开放基金科研项目(GK201310)

摘　　要：以某单位提供的挖掘机为实验平台,通过试验分析各液压节能回路的节能效果。设计新型能量回收系统,观测其节能效果。总结了大型挖掘机液压系统常见的能耗问题,针对存在的问题从不同方面介绍了液压节能技术的现状并对液压节能的发展趋势进行了说明。By the experimental platform of an excavator provided by a company, the hydraulic energy？saving effect of each loop was analyzed through experiment. A new energy recovery system was designed, and its energy saving effect was observed. The common energy consumption problems of the hydraulic system of large hydraulic excavator were summarized. Aiming at the problems existed, from different aspects, the status and development trends of hydraulic energy？saving technology were introduced and described.

关 键 词：能耗分析 动臂势能 能量回收 仿真分析 

分 类 号：TH137.7[机械工程—机械制造及自动化]