Analysis and Optimization of SUV Drive Axle Abnormal Sound

Lü Chenming; Wang Tie; Zhang Ruiliang; Wang Daoyong

doi:10.16578/j.issn.1004.2539.2018.01.024

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Analysis and Optimization of SUV Drive Axle Abnormal Sound

更新时间：2022-10-20

- Analysis and Optimization of SUV Drive Axle Abnormal Sound
- Vol. 42, Issue 1, Pages: 110-114(2018)
- 作者机构：
  
  1. 太原理工大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.01.024
  CLC：
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[1]吕臣明,王铁,张瑞亮,王道勇.越野车驱动桥异响分析及优化[J].机械传动,2018,42(01):110-114.

Lü Chenming, Wang Tie, Zhang Ruiliang, et al. Analysis and Optimization of SUV Drive Axle Abnormal Sound. [J]. 42(1):110-114(2018)
[1]吕臣明,王铁,张瑞亮,王道勇.越野车驱动桥异响分析及优化[J].机械传动,2018,42(01):110-114. DOI： 10.16578/j.issn.1004.2539.2018.01.024.

Lü Chenming, Wang Tie, Zhang Ruiliang, et al. Analysis and Optimization of SUV Drive Axle Abnormal Sound. [J]. 42(1):110-114(2018) DOI： 10.16578/j.issn.1004.2539.2018.01.024.

摘要

针对SUV车辆在90,1,00 km/h时出现的后桥异响问题,首先采用噪声传递函数进行理论分析,结合NVH试验及振动噪声锤击法试验进行噪声及振动识别,然后通过有限元分析方法分析车辆在不同频率下的振动响应,识别出驱动桥振动经车架第四悬置支撑处传递是车内噪声的主要来源之一,并在车内引起车身空腔共鸣;试验结果与有限元仿真分析结果一致。通过对车架第四悬置支撑传递处进行优化,抑制振动噪声的传递,经试验验证对车内噪声降低效果明显,为后期的项目开发提供了借鉴。

Abstract

Aiming at the abnormal sound issue of the non-load SUV rear axle when driving in 90 ,1,00 km/h speed,by using the noise transfer function,the theoretical analysis is carried out,combining with NVH and vibration noise hammer test,the noise and vibration identification is carried out. Then,by using finite element method,the vibration response of the vehicle under different frequencies is analyzed,the fourth the frame supports is the key point while transfer vibration is identified,the cavity modes and noise amplification is caused.The experimental results are consistent with the results of finite element simulation. A solution is implemented to optimize the fourth frame support and restrain the transformation of the vibration noise. The test result shows the effect of interior noise reduction is significant,a reference for later project development is provided.

关键词

越野车驱动桥异响优化

Keywords

SUVDrive axleAbnormal soundOptimization

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