文章摘要
丁洪鹏,刘延俊,刘科显,左国华.外啮合齿轮泵侧板平衡槽优化设计[J].机床与液压,2018,46(3):124-127.
.Optimal Design of Groove of External Gear Pump Side-plank[J].Machine Tool & Hydraulics,2018,46(3):124-127
外啮合齿轮泵侧板平衡槽优化设计
Optimal Design of Groove of External Gear Pump Side-plank
  
DOI:10.3969/j.issn.1001-3881.2018.03.031
中文关键词: 外啮合齿轮泵  侧板  平衡槽  CFD仿真
英文关键词: External gear pump  Side-plank  Balanced groove  CFD simulation
基金项目:
作者单位E-mail
丁洪鹏 山东大学机械工程学院高效清洁机械制造教育部重点实验室 dinghongpengsdu@163.com 
刘延俊 山东大学机械工程学院高效清洁机械制造教育部重点实验室  
刘科显 山东大学机械工程学院高效清洁机械制造教育部重点实验室  
左国华 山东大学机械工程学院高效清洁机械制造教育部重点实验室  
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中文摘要:
      通过研究外啮合齿轮泵输出流量以及从动轮所受液压力与平衡槽的关系,得出平衡槽的最佳尺寸。从而在保证齿轮泵容积效率的基础上,减小齿轮泵的困油现象和流量脉动。以某型号的高压齿轮泵为研究对象,通过建立理论公式求出齿轮泵所受的液压力;建立CFD模型,通过流体仿真得到液压力与出口流量;最后通过对比得出齿轮泵侧板的最佳角度、最佳深度和最佳宽度。
英文摘要:
      By researching the relation of hydraulic pressure and output flow to the external gear pump side-plank balanced groove, the optimal size of the side-plank groove is drawn. Based on ensuring volumetric efficiency of the pump, the influence of trapping phenomenon and flow pulsation could be reduced. One type of high pressure gear pump was used as a research object, firstly the fluid pressure of gear pump was calculated by establishing the theoretical formula. Secondly, establishing the Computational Fluid Dynamics (CFD) model, the hydraulic pressure and export flow were drawn through fluid simulation. Finally, the optimal angle, depth and width of side-plank are drawn by comparison.
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