Research of the Dynamic Response Characteristic of Transmission System based on Dynamic Meshing Stiffness

Zhang Gaofeng; You Qiangqiang; Wang Wen

doi:10.16578/j.issn.1004.2539.2018.07.017

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Research of the Dynamic Response Characteristic of Transmission System based on Dynamic Meshing Stiffness

更新时间：2022-10-20

- Research of the Dynamic Response Characteristic of Transmission System based on Dynamic Meshing Stiffness
- Vol. 42, Issue 7, Pages: 81-86(2018)
- 作者机构：
  
  1. 湘潭大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.07.017
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[1]张高峰,尤强强,王文.基于动态啮合刚度的变速箱动态响应特性研究[J].机械传动,2018,42(07):81-86.

Zhang Gaofeng, You Qiangqiang, Wang Wen. Research of the Dynamic Response Characteristic of Transmission System based on Dynamic Meshing Stiffness. [J]. 42(7):81-86(2018)
[1]张高峰,尤强强,王文.基于动态啮合刚度的变速箱动态响应特性研究[J].机械传动,2018,42(07):81-86. DOI： 10.16578/j.issn.1004.2539.2018.07.017.

Zhang Gaofeng, You Qiangqiang, Wang Wen. Research of the Dynamic Response Characteristic of Transmission System based on Dynamic Meshing Stiffness. [J]. 42(7):81-86(2018) DOI： 10.16578/j.issn.1004.2539.2018.07.017.

摘要

针对汽车变速箱日益提高的NVH（噪声、振动、声振粗糙度）性能要求问题,探究了变速箱内部激励下的动态响应特性。以齿轮副传递误差作为输入条件,在齿轮副受力分析基础上采用动柔度法求解动态啮合刚度,结合传递误差和动态啮合刚度输出齿轮副动态啮合力,利用主坐标变换对齿轮传动系统动力学方程进行解耦,求解轴承处动态响应。分析了某款变速箱输出级以动态啮合刚度计算下的轴承处动态响应,并与振动响应测试结果进行对比。结果表明,以动态啮合刚度计算的轴承处动态响应结果与试验测量结果整体误差控制在3μm以内,两者一致性较好。验证了以动态啮合刚度分析变速箱动态响应的可靠性,为变速箱的设计提供了理论依据。

Abstract

In view of the increasing request of NVH（ noise,vibration,harshness） performance in automotive transmission,the dynamic response characteristics under the internal excitation of transmission are explored. Taking the gear pair transmission error as input condition,the dynamic compliance method is used to solve the dynamic meshing stiffness on the basis of the gear pair force analysis. By combining the transmission error and the dynamic meshing stiffness output the gear pair dynamic meshing force,the dynamic response of the bearing is solved by decoupling the dynamics equation of the gear drive system with the principal coordinate transformation. The dynamic response of a certain gearbox output stage with dynamic meshing stiffness is analyzed and compared with the vibration response test results. The results show that the overall error of the analyzed dynamic response results based on dynamic meshing stiffness and the response test results is within 3 μm,and the two are in good agreement. The reliability of the dynamic response analysis of gearbox through dynamic meshing stiffness is verified,which provides a theoretical basis for the design of gearbox.

关键词

动柔度法动态啮合刚度传递误差时变啮合刚度

Keywords

Dynamic compliance methodDynamic meshing stiffnessTransmission errorTime-varying mesh stiffness

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