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变量叶片泵闭死容腔中压力变化特性及叶片受力分析

张国涛 尹延国

张国涛, 尹延国. 变量叶片泵闭死容腔中压力变化特性及叶片受力分析[J]. 应用数学和力学, 2014, 35(4): 401-411. doi: 10.3879/j.issn.1000-0887.2014.04.006
引用本文: 张国涛, 尹延国. 变量叶片泵闭死容腔中压力变化特性及叶片受力分析[J]. 应用数学和力学, 2014, 35(4): 401-411. doi: 10.3879/j.issn.1000-0887.2014.04.006
ZHANG Guo-tao, YIN Yan-guo. Pressure Variation in Sealed Cavity and Force Analysis on Vanes in Variable Displacement Vane Pumps[J]. Applied Mathematics and Mechanics, 2014, 35(4): 401-411. doi: 10.3879/j.issn.1000-0887.2014.04.006
Citation: ZHANG Guo-tao, YIN Yan-guo. Pressure Variation in Sealed Cavity and Force Analysis on Vanes in Variable Displacement Vane Pumps[J]. Applied Mathematics and Mechanics, 2014, 35(4): 401-411. doi: 10.3879/j.issn.1000-0887.2014.04.006

变量叶片泵闭死容腔中压力变化特性及叶片受力分析

doi: 10.3879/j.issn.1000-0887.2014.04.006
基金项目: 国家自然科学基金(50975072)
详细信息
    作者简介:

    张国涛(1986—),男,山东人,硕士生(E-mail: hfutt@sina.com)

  • 中图分类号: O357

Pressure Variation in Sealed Cavity and Force Analysis on Vanes in Variable Displacement Vane Pumps

Funds: The National Natural Science Foundation of China(50975072)
  • 摘要: 针对过渡区中变量叶片泵闭死容腔内部压力变化幅度大,以及高压时易引起叶片外伸困难的特点,基于MATLAB仿真软件分析了减震槽处压力分布及其对叶片顶端受力特性的影响.结果表明:开设减震槽可以有效减轻较大压差引起的液压冲击和压力突变现象,同时也减小了压力梯度的峰值;分析压力分布时计入摩擦副泄漏不仅没有降低预升/卸压效率,反而使压力梯度的峰值减小,使过渡区中的油压分布更加趋于平缓;在较高工作压力下,相对传统尖顶叶片,圆弧顶廓叶片可以有效克服在过渡区中难以外伸的缺点,同时也使叶片顶部接触反力的变化更趋于缓和.
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出版历程
  • 收稿日期:  2013-08-14
  • 修回日期:  2014-02-27
  • 刊出日期:  2014-04-15

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