齿轮泵侧隙卸荷的界定标准与验证

发布时间：2018-05-27 08:02

本文选题：泵 + 振动　；参考：《农业工程学报》2017年20期

【摘要】：为解决当前泵用齿轮副侧隙大、小界定含糊的问题,基于侧隙传动与困油的性能要求,从双齿啮合区内的2困油容积连通和单齿啮合区卸荷的性能完善方面,通过困油循环及困油过程的分析,建立出2类区域内的困油流量及峰值,推导出卸荷用侧隙、连通用侧隙及其均值和峰值;并进行实例运算和验证分析。结果表明:卸荷区与连通区的困油流量峰值比为3,前者的卸荷负担最大;连通区的真正连通,所需侧隙高达2.41 mm,实际上并不存在;卸荷侧隙大于连通侧隙,以连通侧隙作为侧隙大与小的分界点,卸荷侧隙作为上限值的界定可行;计算与试验的侧隙误差为7.5%,比较吻合,且上限值有20%的安全裕度,比较可靠等。泵用侧隙的界定为大、小侧隙的正确区分提供了参考,也可为后续的相关研究提供参考。
[Abstract]:In order to solve the problem of large and small clearance of gear pair for pump at present, based on the performance requirements of side drive and trapped oil, the performance improvement of two trapping oil volume connection and unloading in single tooth meshing area in double teeth meshing region is discussed. Through the analysis of the oil trap cycle and the oil trap process, the trapped flow rate and peak value in the two types of areas are established, the unloading clearance, the general clearance and its mean value and peak value are derived, and the example calculation and verification analysis are carried out. The results show that the peak ratio of trapped oil flow between the unloading region and the connected region is 3, the unloading burden of the former is the largest, the required side gap of the connected region is as high as 2.41 mm, and the unloading side gap is larger than the connected side gap. It is feasible to use the connected clearance as the dividing point of the large and small gap and the unloaded side gap as the upper limit value, and the calculated error of the lateral gap is 7.5, which is in good agreement with the test, and the upper limit value has a safety margin of 20%, which is more reliable, and so on. The definition of the pump side gap provides a reference for the correct distinction between the large and the small side gaps, as well as for the subsequent research.
【作者单位】：成都大学机械工程学院;
【基金】：四川省自然科学重点资助项目(16ZA0382) 北京卫星制造厂资助项目(20804)
【分类号】：TH325

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