液压挖掘机能量回收与利用系统的研究进展

摘要

With publishment of national standards for increasingly stringent energy saving and emission reduction of crude oil engine used in non-road mobile machinery,the research on boom potential energy regeneration and utilization system,swing brake energy regeneration and utilization system of hydraulic excavator has become the hot spots for construction machinery manufacturers and scholars.The structure,working principle,performance characteristics and application of various boom potential energy regeneration and utilization systems,various swing brake energy regeneration and utilization systems of hydraulic excavator are summarized.A preview of challenges and developments is presented.These work will provide useful information for relevant industry professionals to understand the research status at home and abroad,and to develop high-efficient energy regeneration and utilization system.%随着非道路移动机械用柴油机日益严苛的节能减排国家标准发布,作为混合动力液压挖掘机的关键研究技术,动臂势能与回转制动能量回收与利用系统的研究已成为各大工程机械厂家及该领域专家关注的热点.在归纳国内外液压挖掘机各种动臂势能、回转制动能量回收与利用系统的组成、工作原理、性能特点及应用等方面的基础上,对能量回收与利用系统存在的主要问题及其发展趋势进行讨论,为相关行业技术人员了解国内外液压挖掘机能量回收与利用系统的研究现状,研发高效能量回收与利用系统提供技术参考.