Vibration Characteristic Analysis of Differential Reducer Gear Pair Considering Random Manufacturing Error

Lingsong Fan; Aihua Ren; Zhangdong Sun; Nan Zhang

doi:10.16578/j.issn.1004.2539.2021.11.021

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Vibration Characteristic Analysis of Differential Reducer Gear Pair Considering Random Manufacturing Error

Test·Analysis | 更新时间：2022-11-10

- Vibration Characteristic Analysis of Differential Reducer Gear Pair Considering Random Manufacturing Error
- Journal of Mechanical Transmission Vol. 45, Issue 11, Pages: 134-138(2021)
- 作者机构：
  
  1.湖北汽车工业学院机械工程学院，湖北十堰 442000
  2.湖北汽车工业学院汽车动力传动与电子控制湖北省重点实验室，湖北十堰 442000
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.11.021
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范伶松,任爱华,孙章栋等.考虑随机制造误差的差减速器齿轮副振动特性分析[J].机械传动,2021,45(11):134-138.

Fan Lingsong,Ren Aihua,Sun Zhangdong,et al.Vibration Characteristic Analysis of Differential Reducer Gear Pair Considering Random Manufacturing Error[J].Journal of Mechanical Transmission,2021,45(11):134-138.
范伶松,任爱华,孙章栋等.考虑随机制造误差的差减速器齿轮副振动特性分析[J].机械传动,2021,45(11):134-138. DOI： 10.16578/j.issn.1004.2539.2021.11.021.

Fan Lingsong,Ren Aihua,Sun Zhangdong,et al.Vibration Characteristic Analysis of Differential Reducer Gear Pair Considering Random Manufacturing Error[J].Journal of Mechanical Transmission,2021,45(11):134-138. DOI： 10.16578/j.issn.1004.2539.2021.11.021.

摘要

为研究随机制造误差对某新能源汽车差减速器齿轮传动系统振动特性的影响，采用拉格朗日能量法建立差减速器齿轮副在多源时变激励作用下的弯—扭—轴耦合振动动力学模型。将齿轮系统的齿廓总偏差和基节偏差作为随机变量，采用服从正态分布规律的随机变量描述，运用数值仿真软件对差减速器传动系统进行动力学分析。结果表明，随着随机制造误差离散程度的逐渐增加，齿轮副轴向振动幅值逐渐加剧；但对于齿轮副径向振动未产生较为明显的改变。

Abstract

In order to study the influence of random manufacturing error on the vibration characteristics of differential gear drive system of a new energy vehicle，the Lagrange energy method is used to establish the bending torsion shaft coupling vibration dynamic model of differential gear drive under multi-source time-varying excitation. The base pitch error and tooth profile error of the gear system are regarded as random variables，which are described by the random variables following the normal distribution law，and the dynamics analysis of the differential reducer transmission system is carried out by using the numerical simulation software. The results show that with the increase of random manufacturing error dispersion，the axial vibration amplitude of gear pair increases gradually，but the radial vibration of gear pair has no obvious change.

关键词

差减速器随机制造误差激励系统动力学

Keywords

Differential reducerRandom manufacturing errorExcitationSystem dynamics

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