力平衡型多输入齿轮马达的转矩特性分析与试验

发布时间：2018-05-27 07:33

本文选题：齿轮 + 马达　；参考：《农业工程学报》2017年10期

【摘要】：针对传统齿轮马达径向力不平衡、只能输出一种转矩和转矩脉动较高的问题,提出了力平衡型多输入齿轮马达。该马达在一个壳体内有内、外两种马达,可通过不同的连接方式实现4种定转矩和定转速的输出。通过对马达的输出转矩进行理论计算和试验,分析了马达在4种工作方式下的瞬时转矩及转矩脉动,结果表明,单个马达工作时的转矩脉动与啮合齿轮的齿数有关。多个马达同时工作时的转矩脉动与齿轮啮合点的位置及脉动周期有关,当3个内马达共同工作,内、外马达共同工作,内、外马达差动工作时,在内、外马达脉动周期相同的前提下,可调节啮合点的位置,分别使3个小齿轮的轮齿啮合位置相差1/3,内、外马达轮齿啮合位置相差1/2,内、外马达轮齿啮合位置相同,通过瞬时转矩的叠加,使输出合转矩的脉动最小。试验结果表明,在调节齿轮啮合点的位置后,相同工作方式下的转矩脉动程度明显减少,该研究为多输入马达的进一步研究提供了参考。
[Abstract]:Aiming at the problem that the radial force of the traditional gear motor is unbalanced and only one kind of torque and torque ripple can be output, a multi-input gear motor with force balance is proposed. The motor has two kinds of motors inside and outside of one shell, and the output of four kinds of constant torque and fixed speed can be realized by different connecting ways. The instantaneous torque and torque ripple of the motor under four working modes are analyzed by theoretical calculation and test of the output torque of the motor. The results show that the torque ripple of a single motor is related to the number of teeth of the meshing gear. The torque ripple of multiple motors at the same time is related to the position of gear meshing point and pulsation period. When three internal motors work together and the inner and outer motors work differently, On the premise of the same pulsation period of the outer motor, the position of the meshing point can be adjusted so that the gear tooth meshing position of the three pinion gears is 1 / 3 different respectively, the internal and outer motor gear tooth meshing positions are 1 / 2, and the inner and outer motor gear teeth are the same. The pulsation of the output torque is minimized by the superposition of the instantaneous torque. The experimental results show that the torque ripple in the same working mode is obviously reduced after adjusting the position of the gear meshing point. This study provides a reference for the further study of the multi-input motor.
【作者单位】：燕山大学机械工程学院;
【基金】：国家自然科学基金资助项目(50975246)
【分类号】：TH137.51

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