基于刚柔耦合的复合滚柱活齿传动动态特性分析

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摘要针对实心滚柱活齿在运行过程中滚柱接触应力大和系统易产生较大振动噪音的问题，对滚柱活齿进行改进，提出一种复合滚柱活齿结构，在数值仿真过程中将复合滚柱活齿外圈和内芯以及实心滚柱活齿进行柔性化，分别建立了两种不同滚柱活齿传动的刚柔耦合动力学模型，对系统传动动态特性进行分析。仿真结果表明，复合滚柱活齿传动与实心滚柱传动相比，其动态啮合力和振动加速度的峰值及波动范围更小，输出更平稳。复合滚柱的柔性增大了滚柱活齿传动中的阻尼，使系统在运行过程中的冲击载荷减小，系统振动明显改善。振动试验表明，复合滚柱活齿样机所测振动加速度峰值明显降低，且整体传动振动噪声明显改善，复合滚柱活齿结构对传动过程减振降噪起到一定作用。

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	宜亚丽
	赵腾
	陈美宇
	金贺荣

关键词 ：活齿传动, 刚柔耦合, 动态特性, 振动加速度

Abstract：Aiming at the problems of large roller contact stress and large vibration noise of the system during the operation of the solid roller movable tooth, the roller movable tooth are improved, and a structural of the composite roller movable tooth is proposed. In the process of numerical simulation, the outer ring and inner core of composite roller movable tooth and solid roller movable tooth are flexible, and the rigid flexible coupling dynamic models of two different roller movable tooth are established respectively, The dynamic characteristics of the transmission system are analyzed. The simulation results show that compared with solid roller transmission, the peak value and fluctuation range of dynamic meshing force and vibration acceleration of composite roller movable tooth transmission are smaller, and the output is more stable. The flexibility of the composite roller increases the damping in the roller movable tooth transmission, reduces the impact load and improves the vibration of the system. The vibration test shows that the peak value of vibration acceleration measured by the composite roller movable tooth prototype is significantly reduced, and the vibration and noise of the overall transmission is significantly improved. The composite roller movable tooth structure plays a certain role in reducing vibration and noise in the transmission process.

Key words： Movable tooth drive Rigid flexible coupling Dynamic characteristics Vibration acceleration

收稿日期: 2021-10-21 出版日期: 2023-02-28

引用本文:

宜亚丽，赵腾，陈美宇，金贺荣. 基于刚柔耦合的复合滚柱活齿传动动态特性分析[J]. 振动与冲击, 2023, 42(4): 179-184.
YI Yali,ZHAO Teng,CHEN Meiyu,JIN Herong. Characteristics analysis of a composite roller movable tooth based on rigid-flexible coupling. JOURNAL OF VIBRATION AND SHOCK, 2023, 42(4): 179-184.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2023/V42/I4/179

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