摘要
通过热流固耦合计算方法,研究高压子母叶片泵配流盘的结构动力学特性。讨论泵工作压力、转速和油液温度变化条件下高压子母叶片泵配流盘的应力应变分布,并研究油液中颗粒固相参数对配流盘结构特性的影响。从得到的形变和应力应变云图可知:配流盘的变形和所受的应力主要分布在配流盘吸油区的叶片中间腔均压槽附近,配流盘的排油区基本不发生变形;泵的工作压力和油液温度的变化对高压子母叶片泵配流盘的形变和应力分布影响较明显,而转速和固相颗粒参数的变化基本不影响配流盘的形变。因此,在设计高压子母叶片泵配流盘时,应该充分考虑工作压力和油液温度的影响。研究结论为高压子母叶片泵配流副设计提供一定的参考。
The thermal-fluid-solid coupling method was used to study the dynamic characteristics of flow distribution plate of high-pressure intra-vane type pump.The stress and strain of flow distribution plate of high-pressure intra-vane type pump were discussed under changing working pressures,speeds and oil temperatures.And the effect of the solid phase parameters on the performance of the flow distribution plate was discussed.The strain and stress of the flow distribution plate are mainly concentrated near the oil pressure-equalizing groove for the middle cavity of the vane in the oil absorption area as shown in the deformation and stress-strain diagrams,while the deformation not occurs in the oil drainage area.The change of working pressure and oil temperature have obvious effects on the distribution of deformation and stress of the flow distribution plate in high-pressure vane pump,while the changes of rotation speed and solid particle parameters basically do not affect the deformation of the flow distribution plate.Therefore,when designing flow distribution plate of high-pressure intra-vane type pump,the influence of working pressure and oil temperature must be fully considered.The conclusion provides reference for the design of flow distribution pairs of the high-pressure intra-vane type pump.
作者
李少年
常露丹
张磊
代鹏云
王煜
LI Shaonian;CHANG Ludan;ZHANG Lei;DAI Pengyun;WANG Yu(College of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou Gansu 730050,China)
出处
《机床与液压》
北大核心
2021年第19期5-9,共5页
Machine Tool & Hydraulics
基金
国家自然科学基金资助项目(51565026)。
关键词
子母叶片泵
配流盘
形变
应力
Intra-vane type pump
Flow distribution plate
Deformation
Stress
