| 影响渐开线直齿圆柱齿轮泵性能的因素分析 |
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| 引用本文： | 毛华永,王大鹏,逄学艳,郭彬,郝胜兵,鲁国江.影响渐开线直齿圆柱齿轮泵性能的因素分析[J].山东内燃机,2011(2):14-20. |
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| 作者姓名： | 毛华永 王大鹏 逄学艳 郭彬 郝胜兵 鲁国江 |
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| 作者单位： | [1]山东大学能源与动力工程学院,山东济南250061 [2]中国人民解放军92323部队,山东青岛266071 [3]河北安吉宏业机械股份有限公司,河北泊头062150 |
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| 摘 要： | 分析了重迭系数对渐开线直齿圆柱齿轮泵困油现象的影响;讨论了设置卸荷槽削弱困油现象的原则,及卸荷槽对油液流量和容积效率的贡献;提出了为保证较高的容积效率,对于粘度不高的油液,可在困油压力能够接受的情况下使节点两侧卸荷槽间距略大一些;在对压力脉动要求不高的场合应尽量减少齿轮齿数。
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| 关 键 词： | 渐开线齿轮泵 重迭系数 困油现象 卸荷槽 容积效率 |
The Analysis on Effective Factors of the Performance of Involute Spur Gear Pump |
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| MAO Hua-yong,WANG Da-peng,PANG Xue-yan,GUO Bin,HAO Sheng-bing,LU Guo-jiang.The Analysis on Effective Factors of the Performance of Involute Spur Gear Pump[J].Shandong Internal Combustion Engine,2011(2):14-20. |
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| Authors: | MAO Hua-yong WANG Da-peng PANG Xue-yan GUO Bin HAO Sheng-bing LU Guo-jiang |
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| Affiliation: | 1.School of Energy and Power Engineering,Shandong University,Jinan 250061,China;2.The 92323 Unit of CPLA,Qingdao 266071,China;3.Hebei Anji Hongye Machinery CO.,LTD.,Botou 062150,China) |
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| Abstract: | This paper analyzes the effect of the overlap coefficient on entrap phenomenon of involute spur gear pump and then discusses the setting principle of unload groove to weaken entrap phenomenon,the contribution of unload groove to oil flow rate and volumetric efficiency.In order to ensure a higher volumetric efficiency,it is proposed that the distance between unload grooves for low viscosity oil is slightly larger in the situation of acceptable pocketed oil pressure and the tooth number of gear should be reduced as much as possible in the situation of low requirements for pressure fluctuation. |
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| Keywords: | Involute Gear Pump Overlap Coefficient Entrap Phenomenon Unload Groove Volumetric Efficiency |
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