Study of the Noise Reduction of DF9S1600 Gearbox Reverse Gear

Li Haiqing

doi:10.16578/j.issn.1004.2539.2017.05.031

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Study of the Noise Reduction of DF9S1600 Gearbox Reverse Gear

更新时间：2022-10-20

- Study of the Noise Reduction of DF9S1600 Gearbox Reverse Gear
- Vol. 41, Issue 5, Pages: 153-160(2017)
- 作者机构：
  
  1. 柳州职业技术学院汽车工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.05.031
  CLC：
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[1]李海青.DF9S1600变速箱倒挡齿轮降噪研究[J].机械传动,2017,41(05):153-160.

Li Haiqing. Study of the Noise Reduction of DF9S1600 Gearbox Reverse Gear. [J]. 41(5):153-160(2017)
[1]李海青.DF9S1600变速箱倒挡齿轮降噪研究[J].机械传动,2017,41(05):153-160. DOI： 10.16578/j.issn.1004.2539.2017.05.031.

Li Haiqing. Study of the Noise Reduction of DF9S1600 Gearbox Reverse Gear. [J]. 41(5):153-160(2017) DOI： 10.16578/j.issn.1004.2539.2017.05.031.

摘要

以DF9S1600变速箱倒挡齿轮为分析对象,运用最新的电脑仿真科技,借助有限元与边界元联系的方法对倒挡齿轮进行系统的研究;依据多体动力学理论,借助SolidWorks软件完成对齿轮传动体系模型的构建,经过ANSYS软件的网格区分性能完成齿轮传动体系模型的软化操作,构建模态研究。运用ANSYS软件给予倒挡齿轮、二轴上的倒挡齿轮,以及中间轴和倒挡齿轮啮合的模态分析,二轴齿轮啮合时的最大应力为0.1649 MPa,最大等效弹性应变为8.265×10-7mm,中间轴与倒挡齿轮啮合时的最大应力为0.481 9 MPa,最大等效弹性应变为3.071 5×10-6mm,完全符合工程使用要求。并且根据试验,分别从转速、负载和齿轮制造误差3个方面对倒挡齿轮噪声的影响进行分析,提出改进结构或调整结构参数以达到对倒挡齿轮减振降噪的目的。

Abstract

Taking the reverse gear of DF9S1600 gearbox as study object,by using the advanced computer simulation technology,through the method of the combination of finite element and boundary element,the systematic study of reverse gear is carried out. Based on multi-body dynamics theory,by using SolidWorks software,a solid model gear transmission is built and by using ANSYS software meshing,gear transmission model achieves flexible,the modal analysis is completed. The meshing modal analysis for reverse gear,two shaft reverse gear,reverse gear and the intermediate shaft are carried out by using ANSYS software,the maximum stress is 0. 164 9 MPa,and the equivalent elastic strain is 8. 265 × 10-7mm for two gears meshing. The maximum stress is 0. 481 9 MPa,the maximum equivalent elastic strain is 3. 071 5 × 10-6mm for the intermediate reverse gear shaft. It is full-compliance with the requirements. And according to the test,the effects of reverse gear noise is analyzed respectively from the speed,load and gear manufacturing errors,the structure is improved to achieve the purpose of the reverse gear damping noise reduction.

关键词

汽车变速器倒挡齿轮振动噪声SolidWorksANSYS模态分析

Keywords

Automotive transmissionReverse gearNoise and vibrationSolidWorksANSYS Modal analysis

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