Noise Analysis of Bus Transmission Shaft and Improvement of Vibration Performance

Zhu Zhao; Huang Jun; Zhang Haiyuan; Jiang Hui

doi:10.16578/j.issn.1004.2539.2017.11.035

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Noise Analysis of Bus Transmission Shaft and Improvement of Vibration Performance

更新时间：2022-10-20

- Noise Analysis of Bus Transmission Shaft and Improvement of Vibration Performance
- Vol. 41, Issue 11, Pages: 178-183(2017)
- 作者机构：
  
  1. 奇瑞商用车(安徽)有限公司
  2. 山东水利职业学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.11.035
  CLC：
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[1]朱钊,黄峻,张海源,姜辉.某客车传动轴异响分析及振动性能提升[J].机械传动,2017,41(11):178-183.

Zhu Zhao, Huang Jun, Zhang Haiyuan, et al. Noise Analysis of Bus Transmission Shaft and Improvement of Vibration Performance. [J]. 41(11):178-183(2017)
[1]朱钊,黄峻,张海源,姜辉.某客车传动轴异响分析及振动性能提升[J].机械传动,2017,41(11):178-183. DOI： 10.16578/j.issn.1004.2539.2017.11.035.

Zhu Zhao, Huang Jun, Zhang Haiyuan, et al. Noise Analysis of Bus Transmission Shaft and Improvement of Vibration Performance. [J]. 41(11):178-183(2017) DOI： 10.16578/j.issn.1004.2539.2017.11.035.

摘要

针对某款中巴客车在60,8,0 km/h速度行驶中,出现整体车内噪声水平偏大、地板振动较大问题,利用噪声图和振动瀑布彩图数据分析得出共振源为传动轴中间支撑支架。根据隔振理论和有限元分析,通过减低中间支撑橡胶刚度和增加中间支撑支架固有频率,较大幅度降低了整车共振现象,车内噪声整体降低了4 d B（A）。这种方法在解决传动轴异响、结构优化设计及试验验证工作中具有重要参考意义。

Abstract

Aiming at a medium bus driving speed at 60 to 80 km/h,it is found that the problem of vehicle overall noise level is too large and greater vibration of the floor. By using the analysis of noise figure and the vibration waterfall map data,the transmission shaft intermediate support bracket course resonance is confirmed.According to the theory of vibration isolation and finite element analysis,by reducing the stiffness of the intermediate support rubber and increasing the natural frequency of the intermediate support bracket,the vehicle resonance phenomenon is greatly reduced and the vehicle noise is reduced by 4 dB（A）. This method has important reference significance in solving the noise of transmission shaft,structural optimization design and test verification.

关键词

传动轴异响中间支撑共振

Keywords

Transmission shaftNoiseIntermediate supportResonance

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Department of Mechanical Systems， AECC Commercial Aircraft Engine Co.， Ltd.

Postgraduate Department， China Academy of Railway Sciences

Metals and Chemistry Research Institute， China Academy of Railway Sciences

Zhengzhou Railway Machinery Maintenance Section， China Railway Zhengzhou Group Co.， Ltd.

Technical Center， Dongfeng Motor Corporation

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