液压与气动2024，Vol.48Issue(7)：143-151,9.DOI:10.11832/j.issn.1000-4858.2024.07.017
柱塞倾斜分布式球面配流重载柱塞泵泄漏特性
Leakage Characteristics of Heavy Duty Piston Pump with Spherical Port Plate and Tilted Plunger
史俊强 1张昊天 2魏坤池 3李心远 3张琦瑶 2张晋4
作者信息
- 1. 北京机械工业自动化研究所有限公司,北京 100120||中国机械科学研究总院,北京 100044
- 2. 燕山大学机械工程学院,河北秦皇岛 066004
- 3. 北京机械工业自动化研究所有限公司,北京 100120
- 4. 燕山大学机械工程学院,河北秦皇岛 066004||河北省重型机械流体动力传输实验室,河北秦皇岛 066004||国家与地方先进制造成型技术与设备联合工程研究中心,河北秦皇岛 066004
- 折叠
摘要
Abstract
The inclined plunger structure and spherical port plate pair are widely used in heavy duty piston pumps because of their compact structure and strong anti-overturning moment.With the development of engineering technology and the demand of high-end manufacturing industry,the use pressure of piston pumps has gradually increased,and the oil leakage has intensified.Design clearance and volumetric efficiency have become important indicators to evaluate the performance of piston pumps.The heavy duty piston pump with inclined piston and spherical port plate structure is studied,the kinematics characteristics of the piston are analyzed,and the theoretical equations of the inclined piston pair leakage,spherical port plate pair leakage and slipper pair leakage are studied.The results show that the leakage of the inclined piston pair increases with the increase of the fit clearance and the pressure difference of the piston cavity.The design of the leakage clearance of the spherical port plate pair is related to the dynamic viscosity,the pump working pressure and the angular velocity of the cylinder block.The leakage of the slipper pair is mainly related to the length and diameter of the piston damping hole.Finally,the accuracy of the theoretical results is verified by leakage test,which provides a theoretical basis for the structural design and performance optimization of heavy duty piston pump.关键词
球面配流/倾斜柱塞/重载柱塞泵/泄漏特性Key words
spherical port plate/tilted piston/heavy duty piston pump/leakage characteristics分类
机械工程引用本文复制引用
史俊强,张昊天,魏坤池,李心远,张琦瑶,张晋..柱塞倾斜分布式球面配流重载柱塞泵泄漏特性[J].液压与气动,2024,48(7):143-151,9.
