| 三凸起凸轮叶片泵泄漏与容积效率实验 |
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| 引用本文： | 徐辉,金洪文.三凸起凸轮叶片泵泄漏与容积效率实验[J].液压与气动,2018,0(4):26-31. |
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| 作者姓名： | 徐辉 金洪文 |
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| 作者单位： | 1. 长春工程学院能源动力与工程学院， 吉林长春130012；
2. 吉林省能源供应及室内环境控制工程研究中心， 吉林长春130012 |
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| 基金项目： | 国家科技重大专项（2014ZX07201 011）；吉林省自然科学基金（20140101069JC） |
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| 摘 要： | 针对单排双凸起凸轮叶片泵流量脉动较大的问题，提出一种三凸起的新型凸轮叶片泵，该泵由三凸起的凸轮转子与两叶片组成，能够保证瞬时流量的均匀性。基于三凸起凸轮叶片泵内部结构的分析，归纳出该泵的几何排量计算公式，并分析该泵主要泄漏途径。通过建立各泄漏途径的流量数学公式，得出该泵的总泄漏量，并通过搭建实验系统进行了容积效率实验。结果表明：随着负载压力的升高，泵的容积效率随之降低，在负载压力为14 MPa时，理论容积效率为95.93%，实验容积效率为88.6%。
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| 关 键 词： | 叶片泵 三凸起 泄漏 容积效率 |
| 收稿时间： | 2018-01-20 |
Leakage and Volumetric Efficiency Experiment of Three convex Cam Vane Pump |
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| XU Hui,JIN Hong-wen.Leakage and Volumetric Efficiency Experiment of Three convex Cam Vane Pump[J].Chinese Hydraulics & Pneumatics,2018,0(4):26-31. |
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| Authors: | XU Hui JIN Hong-wen |
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| Affiliation: | 1. Shool of Energy & Power Engineering, Changchun Institute of Technology, Jilin, Changchun130012;
2. Jilin Engineering Research Center for Building Energy Supply and Indoor Environmental Control, Jilin, Changchun130012 |
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| Abstract: | Aimed at the problem of large flow pulsation in single row double convex cam vane pump, a new three convex cam vane pump is proposed. This pump consists of three raised cam rotors and two blades. It can guarantee the uniformity of instantaneous flow. Based on the analysis of the internal structure of the three projection CAM blade pump, the calculation formula of the pump's geometric displacement is concluded. And the main leakage path of the pump is analyzed. The total leakage of the pump is obtained by establishing the flow mathematical formula of each leakage path. The volumetric efficiency experiment is carried out. The results show that as the load pressure increases, the volume efficiency of the pump decreases. At a load pressure of 14MPa, the theoretical volume efficiency is 95.93%, and the experimental volume efficiency is 88.6%. |
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