吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (2): 479-486.doi: 10.13229/j.cnki.jdxbgxb201602022

• 论文 • 上一篇    下一篇

基于电液能量回收的挖掘机节能系统仿真评价与试验

龚俊1, 2, 何清华1, 2, 张大庆2, 刘昌盛1, 2, 赵喻明1, 2, 胡鹏1, 2   

  1. 1.中南大学 高性能复杂制造国家重点实验室,长沙 410083;
    2.山河智能装备股份有限公司,国家级企业技术中心,长沙 410100
  • 收稿日期:2014-07-14 出版日期:2016-02-20 发布日期:2016-02-20
  • 通讯作者: 何清华(1946-),男,教授,博士生导师.研究方向:液压工程机械及凿岩机器人技术.E-mail:hehq@sunward.com.cn E-mail:gongjun861@139.com
  • 作者简介:龚俊(1986-),男,博士研究生.研究方向:工程机械机电液一体化与节能技术.E-mail:gongjun861@139.com
  • 基金资助:
    国家科技支撑计划项目(2014BAA04B00)

Evaluation and testing of electric-hydraulic energy regeneration system of excavator

GONG Jun1, 2, HE Qing-hua1, 2, ZHANG Da-qing2, LIU Chang-sheng1, 2, ZHAO Yu-ming1, 2, HU Peng1, 2   

  1. 1.The State Key Laboratory of High Performance Complicated Manufacturing, Central South University, Changsha 410083 , China;
    2.The National Enterprise R&D Center, Sunward Intelligent Equipment Co.,Ltd.,Changsha 410100, China
  • Received:2014-07-14 Online:2016-02-20 Published:2016-02-20

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摘要： 以液压挖掘机节能为目的,结合挖掘机的工况特点,设计了一种挖掘机电液能量回收系统方案.为了从理论上分析能量回收系统性能,并找出改善系统燃油经济性的有效途径,建立了液压挖掘机电液能量回收系统的仿真模型并进行仿真分析.以某型20吨级液压挖掘机为试验平台,对电液能量回收系统进行了试验研究.仿真与试验结果表明:在单动作条件下,电液能量回收系统的最高能量回收效率为40%,搭载该系统的挖掘机在标准工况下,能实现17.6%的节能效果,并不降低原系统其他性能.

关键词: 机械设计, 挖掘机, 能量回收, 系统建模

Abstract: In order to save energy in hydraulic excavator, the excavator working condition is analyzed and an electro-hydraulic energy regeneration system is designed. To theoretically analyze the characteristics of the energy regeneration system, a simulation model is built and numerical analysis is carried out. To verify the simulation results, the energy regeneration system is equipped in a 20-ton excavator and large number of tests is conducted. Both simulation and test results show that in single operation, the maximum energy regeneration efficiency of the electro- hydraulic energy regeneration system can reach 40%. When equipped with this system, the excavator can save energy by 17.6% without loss of its original operating characteristics.

Key words: mechanical design, excavator, energy regeneration, system modeling

中图分类号: 

  • TH122
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