橡胶柱塞动密封结构设计及优化试验

doi:10.13229/j.cnki.jdxbgxb201603024

吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (3): 839-844.doi: 10.13229/j.cnki.jdxbgxb201603024

橡胶柱塞动密封结构设计及优化试验

汝绍锋^{1, 2}, 乔静波¹, 崔腾飞¹, 丛茜¹

1.吉林大学工程仿生教育部重点实验室,长春 130022;
2.海南大学机电工程学院,海口 570228

收稿日期:2015-01-23 出版日期:2016-06-20 发布日期:2016-06-20
通讯作者: 丛茜(1963-),女,教授,博士生导师.研究方向:工程仿生学.E-mail:congqian@jlu.edu.cn
作者简介:汝绍锋(1988),男,博士研究生.研究方向:仿生动力机械.E-mail:ru.shaofeng@163.com
基金资助:
国家自然科学基金项目(51375205); 吉林省科技发展计划项目(20120322).

Structural design and optimization experiment of dynamic seal on rubber plunger

RU Shao-feng^{1, 2}, QIAO Jing-bo¹, CUI Teng-fei¹, CONG Qian¹

1.Key Laboratory of Bionic Engineering of Ministry of Education, Jilin University, Changchun 130022,China;
2.College of Mechanical and Electrical Engineering, Hainan University, Haikou 570228, China

Received:2015-01-23 Online:2016-06-20 Published:2016-06-20

摘要/Abstract

摘要： 为了提高往复式橡胶柱塞的动密封性能,设计了表面具有凹槽形结构的橡胶柱塞,并对其进行动密封特性分析和结构参数优化试验。理论分析结果表明:凹槽形结构可显著提高密封界面接触压力,改善界面润滑条件,降低摩擦阻力。试验结果表明:凹槽形结构参数对柱塞的动密封性能影响显著,凹槽宽度对柱塞动密封性能影响最大,凹槽条数影响次之,凹槽间距影响最小。为了降低柱塞泄露量,凹槽宽度和凹槽间距设计不宜过大或过小。凹槽条数与泄漏量呈线性关系,随着凹槽条数的增加,泄漏量减小。理论分析和试验结果均说明凹槽形结构可以提高橡胶柱塞的动密封性能。

关键词: 机械设计, 橡胶柱塞, 动密封, 凹槽形, 泄露

Abstract: To improve the dynamic seal performance of reciprocating movement, the rubber plunger with groove shape surface is designed. The dynamic sealing characteristics of the rubber plunger are analyzed and optimization experiments of the structural parameters are carried out. The results show that the groove structure can significantly increase the interfacial contact pressure, improve the interfacial lubrication condition and reduce the friction resistance. The groove structural parameters obviously influence the dynamic sealing performance of the rubber plunger. The greatest impact factor on the leakage is the groove width, the medium impact factor is the number of grooves, and the minimum impact factor is the rove spacing. To reduce the plunger leakage, the groove width and groove spacing should be designed not too big or too small. The relationship between the number of grooves and the leakage is linear, the leakage decreases as the number of grooves increases. Analysis and experiment results show that the groove structure can improve the dynamic sealing performance of the rubber plunger.

Key words: machine design, rubber plunger, dynamic seal, groove shape, leak

中图分类号:

TB42

汝绍锋, 乔静波, 崔腾飞, 丛茜. 橡胶柱塞动密封结构设计及优化试验[J]. 吉林大学学报(工学版), 2016, 46(3): 839-844.

RU Shao-feng, QIAO Jing-bo, CUI Teng-fei, CONG Qian. Structural design and optimization experiment of dynamic seal on rubber plunger[J]. 吉林大学学报(工学版), 2016, 46(3): 839-844.

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橡胶柱塞动密封结构设计及优化试验

Structural design and optimization experiment of dynamic seal on rubber plunger

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