ANALYSIS OF OIL PUMP STUCK PHENOMENON AND RESEARCH OF IMPROVED TECHNOLOGY

DU BaoJiang; YAN ShenLiang; ZHA Liang; YE QiHan; LI ShuangShuang

doi:10.16579/j.issn.1001.9669.2015.04.031

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ANALYSIS OF OIL PUMP STUCK PHENOMENON AND RESEARCH OF IMPROVED TECHNOLOGY

更新时间：2022-09-22

- ANALYSIS OF OIL PUMP STUCK PHENOMENON AND RESEARCH OF IMPROVED TECHNOLOGY
- Journal of Mechanical Strength Vol. 37, Issue 4, Pages: 664-671(2015)
- 作者机构：
  
  1. 上海理工大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2015.04.031
  CLC：
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DU BaoJiang, YAN ShenLiang, ZHA Liang, et al. ANALYSIS OF OIL PUMP STUCK PHENOMENON AND RESEARCH OF IMPROVED TECHNOLOGY. [J]. 37(4):664-671(2015)
DOI：

DU BaoJiang, YAN ShenLiang, ZHA Liang, et al. ANALYSIS OF OIL PUMP STUCK PHENOMENON AND RESEARCH OF IMPROVED TECHNOLOGY. [J]. 37(4):664-671(2015) DOI： 10.16579/j.issn.1001.9669.2015.04.031.

摘要

机油泵是动力机械润滑系统中的核心部件。以外啮合齿轮机油泵为研究对象,针对机油泵新产品试制过程中出现的卡死现象进行有限元及理论分析。采用CFX对机油泵进行内流场数值模拟,通过Ansys Workbench,对机油泵从动部分进行热固耦合结构分析,并结合Matlab曲线拟合插值,找到卡死原因;以流体动压润滑为基础,将最小油膜厚度,温升,承载能力作为分析重点,针对卡死原因,给出合理的解决方案。最后通过相应物理实验对改进方案进行实验验证,证明了分析结果的合理性,为机油泵的优化设计开发提供技术参考。

Abstract

An oil pump is the core of machinery lubrication system components. With the base of the outside gear engine oil pump,the paper built a method in finite element and theory analysis aiming at the oil pump machine manufacture stuck phenomenon. The numerical simulation analysis to inner flow field of the pump was conducted by adopting CFX,with the Ansys Workbench,the machine solid thermosetting coupling structure analysis for the driven part of hot oil pump was studied,and combined with Matlab curve fitting interpolation,the stuck causes were found; On the basis of hydrodynamic pressure lubrication,the minimum oil film thickness,temperature rise and the bearing capacity were as the key analysis factors,ultimately the appropriate solutions were concluded aiming at stuck reasons. Finally with the corresponding physical experiment for verifying the improvement experiment,the rationality analysis of the results was verified,which provided the technical reference to model change of the future engine oil pump.

关键词

机油泵Ansys油膜厚度Matlab卡死

Keywords

Oil pumpANSYSOil film thicknessMATLABStuck

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