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J4  2014, Vol. 48 Issue (1): 29-34    DOI: 10.3785/j.issn.1008-973X.2014.01.005
机械与能源工程     
轴向柱塞泵/马达变量阀配流机构
李林1 ,陈家旺2,顾临怡1,王峰3
1.浙江大学 流体动力与机电系统国家重点实验室,浙江 杭州 310027;2.浙江大学 海洋学院,浙江 杭州 310058;3.明尼苏达大学 集成高效节能液压工程研究中心,明尼阿波利斯 MN55455
Variable displacement distributor with valve control for axial piston pump/motor
LI Lin1, CHEN Jia-wang2,GU Lin-yi1, WANG Feng3
1. State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China;
2. Ocean College, Zhejiang University, Hangzhou 310058, China;3. Center for Compact and
Efficient Fluid Power, University of Minnesota, Minneapolis MN55455, USA
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摘要:

为了提高轴向变量柱塞泵/马达小排量时的综合效率,基于柱塞式液压泵阀配流原理,引入变有效排量(VVD)理论,提出采用液控单向阀控制柱塞单元有效输出/输入实现轴向柱塞泵/马达配流及变量的配流机构,介绍变量阀配流机构的基本原理.基于AMEsim建立物理模型进行仿真研究,将变量阀配流机构应用于弯轴式轴向柱塞马达进行初步的原理样机实验研究.仿真和原理样机试验结果表明,采用该配流机构能够实现设计的配流、变量功能,具有提高高压泵/马达容积效率以及简化液压系统的潜在优点.

Abstract:

A variable displacement distributor for axial piston pump/motor with pilot operated check valve controlling the effective output of each piston unit was presented based on valve control and virtual variable displacement theory in order to improve the total efficiency of variable displacement axial piston pump/motor. The operate principle of the valve controlled variable displacement mechanism was introduced. A computer simulation model was established based on AMEsim, and the valve controlled variable displacement mechanism was applied to a bent axis piston motor to construct a prototype. Both the simulation results and the test results indicate that the variable displacement distributor can continuously adjust the displacement of pump/motor. The distributor has potential advantage of high volume efficiency and can simplify hydraulic system.

出版日期: 2014-01-01
:     
基金资助:

美国国家科学基金会资助项目(ENG/CMS-0409832);国家自然科学基金资助项目(51004085);浙江省重点科技创新团队计划资助项目(2010R50036).

通讯作者: 陈家旺,男,讲师.     E-mail: arwang@zju.edu.cn
作者简介: 李林(1981-),男,博士生,从事液压元件及系统研究. E-mail: sharin@zju.edu.cn
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引用本文:

李林,陈家旺,顾临怡,王峰. 轴向柱塞泵/马达变量阀配流机构[J]. J4, 2014, 48(1): 29-34.

LI Lin, CHEN Jia-wang,GU Lin-yi, WANG Feng. Variable displacement distributor with valve control for axial piston pump/motor. J4, 2014, 48(1): 29-34.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.01.005        http://www.zjujournals.com/eng/CN/Y2014/V48/I1/29

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