变频闭式液压动力单元在液压提升机械中的应用  

The Application of Variable Frequency Close Hydraulic Power Unit in Hydraulic Elevating Mechanism

作　　者：黄方平[1] 林躜[1] 徐兵[2] 

机构地区：[1]浙江大学宁波理工学院,浙江宁波315100 [2]浙江大学流体传动及控制国家重点实验室,浙江杭州310027

出　　处：《机床与液压》2007年第4期111-113,135,共4页Machine Tool & Hydraulics

基　　金：浙江省自然科学基金资助(No.502088);浙江大学宁波理工学院启动基金

摘　　要：对一种结构紧凑、节能降噪的变频闭式液压动力单元在液压电梯和液压抽油机等液压提升机械中的应用进行了原理分析和应用特点探讨。在这些系统中应用该动力单元可简化液压系统,降低装机功率和能耗,提高系统的性能。A compact structure and energy-saving variable frequency close hydraulic power unit was introduced. The application of this unit in hydraulic elevating mechanism was studied and the characteristics of hydraulic elevator and hydraulic oil pumping unit were improved by using the system above. The installed power and energy consumption were reduced, and the structure of the application system was simplified.

关 键 词：变频调速 液压动力单元 液压提升机械 节能 

分 类 号：TH137.3[机械工程—机械制造及自动化]