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轴向柱塞式电液泵的油隙损耗与机械效率

李祝锋 邵云滨 付永领 范殿梁

李祝锋, 邵云滨, 付永领, 等 . 轴向柱塞式电液泵的油隙损耗与机械效率[J]. 北京航空航天大学学报, 2014, 40(6): 769-774. doi: 10.13700/j.bh.1001-5965.2013.0438
引用本文: 李祝锋, 邵云滨, 付永领, 等 . 轴向柱塞式电液泵的油隙损耗与机械效率[J]. 北京航空航天大学学报, 2014, 40(6): 769-774. doi: 10.13700/j.bh.1001-5965.2013.0438
Li Zhufeng, Shao Yunbin, Fu Yongling, et al. Oil gap loss and mechanical efficiency of axial piston electro-hydraulic pump[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(6): 769-774. doi: 10.13700/j.bh.1001-5965.2013.0438(in Chinese)
Citation: Li Zhufeng, Shao Yunbin, Fu Yongling, et al. Oil gap loss and mechanical efficiency of axial piston electro-hydraulic pump[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(6): 769-774. doi: 10.13700/j.bh.1001-5965.2013.0438(in Chinese)

轴向柱塞式电液泵的油隙损耗与机械效率

doi: 10.13700/j.bh.1001-5965.2013.0438
基金项目: 

国家国际科技合作专项基金资助项目(2010DFA72540)

详细信息
    作者简介:

    李祝锋(1986- ),男,山西运城人,博士生,lizhufeng86@163.com.

  • 中图分类号: TH137

Oil gap loss and mechanical efficiency of axial piston electro-hydraulic pump

  • 摘要: 介绍了轴向柱塞式电液泵的结构与工作过程,分析了轴向柱塞式电液泵的各种机械损耗,建立了其机械效率的计算模型,在此基础上给出了定子与转子间油隙损耗与机械效率随转速、压力、温度变化的曲线.计算结果表明,研究的这种轴向柱塞式电液泵在油温50 ℃、转速 4 000 r/min、压力28 MPa时的油隙损耗只占总机械功率的1.737%,大大低于传统电机-泵组中电机的风扇与机械损耗,此时电液泵机械效率为92.6%,高于传统电机-泵组.机械效率的提高使得轴向柱塞式电液泵的总效率高于传统电机-泵组.分析了油隙长度对其损耗的影响,结果表明该电液泵油隙长度仍有减小的空间.

     

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出版历程
  • 收稿日期:  2013-07-30
  • 刊出日期:  2014-06-20

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