平衡式两排轴向柱塞泵缸体倾覆力矩

doi:10.13229/j.cnki.jdxbgxb201505014

吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (5): 1468-1473.doi: 10.13229/j.cnki.jdxbgxb201505014

平衡式两排轴向柱塞泵缸体倾覆力矩

邓海顺, 黄坤, 王传礼, 李永梅

安徽理工大学机械工程学院, 安徽淮南 232001

收稿日期:2014-02-21 出版日期:2015-09-01 发布日期:2015-09-01
通讯作者: 王传礼(1964-),男,教授,博士.研究方向:液压传动与控制.E-mail:chlwang@aust.edu.cn
作者简介:邓海顺(1978-）,男,副教授,博士.研究方向:液压传动与控制.E-mail:hsdeng@aust.edu.cn
基金资助:
国家自然科学基金项目(51205002,51075001); 安徽省自然科学基金项目(1508085ME80)

Overturning moment of cylinder of balanced two-ring axial piston pump

DENG Hai-shun, HUANG Kun, WANG Chuan-li, LI Yong-mei

Department of Mechanical Engineering, Anhui University of Science and Technology, Huainan 232001, China

Received:2014-02-21 Online:2015-09-01 Published:2015-09-01

摘要/Abstract

摘要： 分析了平衡式两排轴向柱塞泵缸体的受力情况,推导了缸体倾覆力矩的计算公式,同时也给出了使缸体、配流盘保持轴向液压力平衡的计算公式和计算程序。取内、外排柱塞同为相等偶数和同为相等奇数,利用Matlab编程绘制出其倾覆力矩随缸体转角变化的动态曲线。研究表明:内、外排柱塞同为相等奇数或偶数时,平衡式两排轴向柱塞泵内外排的倾覆力矩可部分抵消,甚至完全抵消,使其缸体总的倾覆力矩大幅降低,其倾覆力矩的波动周期不变,且内、外排柱塞同为奇数时的倾覆力矩要小于同为偶数时的倾覆力矩。

关键词: 流体传动与控制, 平衡式双排轴向柱塞泵, 缸体, 平衡性, 倾覆力矩

Abstract: The cylinder stress state of the balanced two-ring axial piston pump is analyzed, and a calculation formula of the overturning moment of the cylinder is deduced. Also the calculation formula to balance the axial hydraulic pressure of the cylinder and the port plate is obtained and program is given. When the numbers of the pistons inside and outside are both even or both odd, the dynamic curve of the overturning moment of the cylinder as a function of its turning angle is drawn using software Matlab. The results show that, when the numbers of pistons inside and outside are both even or both odd, the inside and outside overturning moments of the balanced two-ring axial piston pump can partially or even completely counteract each other. So the overturning moment of the cylinder will significantly reduce and its fluctuation period will remain the same. When the numbers of pistons inside and outside are both odd, the overturning moment will be smaller than that the numbers of pistons inside and outside are both even.

Key words: fluid power transmission and control, the balanced two-ring axial piston pump, cylinder, equilibrium, overturning moment

中图分类号:

TH322

邓海顺, 黄坤, 王传礼, 李永梅. 平衡式两排轴向柱塞泵缸体倾覆力矩[J]. 吉林大学学报(工学版), 2015, 45(5): 1468-1473.

DENG Hai-shun, HUANG Kun, WANG Chuan-li, LI Yong-mei. Overturning moment of cylinder of balanced two-ring axial piston pump[J]. 吉林大学学报(工学版), 2015, 45(5): 1468-1473.

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平衡式两排轴向柱塞泵缸体倾覆力矩

Overturning moment of cylinder of balanced two-ring axial piston pump

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