1.广州理工学院 智能制造与电气工程学院, 广东 广州 510540
鄢圣杰(1983— ),男,湖北仙桃人,实验师;主要从事机械制造方面的研究工作。
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鄢圣杰,王如意.困油对齿轮马达输出特性的影响与分析[J].机械传动,2022,46(02):114-118.
Yan Shengjie,Wang Ruyi.Influence and Analysis of Trapped-oil on Output Characteristic of Gear Motor[J].Journal of Mechanical Transmission,2022,46(02):114-118.
鄢圣杰,王如意.困油对齿轮马达输出特性的影响与分析[J].机械传动,2022,46(02):114-118. DOI: 10.16578/j.issn.1004.2539.2022.02.019.
Yan Shengjie,Wang Ruyi.Influence and Analysis of Trapped-oil on Output Characteristic of Gear Motor[J].Journal of Mechanical Transmission,2022,46(02):114-118. DOI: 10.16578/j.issn.1004.2539.2022.02.019.
为明晰齿轮马达的困油特点及其对输出转矩、输出转速的影响,依序从马达齿轮副的啮合与困油过程、齿面的介质压力分布、困油压力求解模型等3个方面,建立输出转矩、输出转速与困油压力的耦合计算公式,并进行了实例运算与结果分析。结果表明,膨胀的困油与注入介质、压缩的困油与释放介质通过卸荷槽的接通特点,决定了齿轮马达的困油现象较齿轮泵要轻,常规对称的双矩形卸荷槽就能满足困油的卸荷要求;困油能有效抑制转矩脉动,卸荷面积越充分,透过卸荷槽的接通性越好,抑制效果越明显,而对转速脉动的抑制效果却不明显。研究成果为高质量齿轮马达的进一步研发提供了一定的理论依据。
To clarify characteristics of trapped-oil of gear motor and its influence on output torque and output speed, in terms of meshing and oil trapping process of motor gear pair, the medium pressure distribution on the tooth flanks and the solution model of oil trapping, the coupling calculation formulas of output torque, output speed and trapped oil pressure are established. The example calculation and result analysis are also conducted. The results show that characteristics of the connection between the expanded trapped oil and the injection medium, the compressed trapped oil and the release medium through the unloading groove determine that the trapped oil phenomenon of the gear motor is lighter than that of the gear pump, and the conventional symmetrical double rectangular unloading groove can meet the unloading requirements of trapped oil. Trapped oil can effectively suppresses torque ripple. The more sufficient the unloading area is, the better is the connection through the unloading groove, and the more obvious is the suppression effect, but the less obvious is the suppression effect of speed ripple. The research results provide a certain theoretical basis for further research and development of high-quality gear motor.
齿轮马达困油压力困油输出转矩困油输出转速脉动系数矩形卸荷槽
Gear motorTrapped-oil pressureTrapped-oil output torqueTrapped-oil output speedRipple coefficientRectangular relief groove
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