某重型商用车变速箱壳体轻量化研究

胡溧; 唐森泉; 杨啟梁; 王博

doi:10.16578/j.issn.1004.2539.2020.04.004

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某重型商用车变速箱壳体轻量化研究

理论研究 | 更新时间：2022-10-20

- 某重型商用车变速箱壳体轻量化研究
- Study on Lightweight of Gearbox Shell for a Heavy Commercial Vehicle
- 机械传动 2020年44卷第4期页码：26-31
- 作者机构：
  
  1.武汉科技大学汽车与交通工程学院，湖北武汉 430065
- 作者简介：
  
  胡溧（1977— ），男，湖北武汉人，博士，教授，主要从事汽车轻量化技术及NVH方面的教学和科研工作。
- 基金信息：
  
  国家自然科学基金(51105283)
- DOI：10.16578/j.issn.1004.2539.2020.04.004
  中图分类号：
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胡溧,唐森泉,杨啟梁等.某重型商用车变速箱壳体轻量化研究[J].机械传动,2020,44(04):26-31.

Hu Li Tang Senquan Yang Qiliang Wang Bo.Study on Lightweight of Gearbox Shell for a Heavy Commercial Vehicle[J].Journal of Mechanical Transmission,2020,44(04):26-31.
胡溧,唐森泉,杨啟梁等.某重型商用车变速箱壳体轻量化研究[J].机械传动,2020,44(04):26-31. DOI： 10.16578/j.issn.1004.2539.2020.04.004.

Hu Li Tang Senquan Yang Qiliang Wang Bo.Study on Lightweight of Gearbox Shell for a Heavy Commercial Vehicle[J].Journal of Mechanical Transmission,2020,44(04):26-31. DOI： 10.16578/j.issn.1004.2539.2020.04.004.

摘要

为了实现某重型商用车变速箱的轻量化，开展了将灰铸铁壳体换成铝合金壳体的研究。首先，通过模态试验对有限元模型进行了验证，采用多体动力学方法得到壳体5个轴承的动载荷，基于静力学分析求得壳体的应变能；然后，建立了板和壳的质量关于4个影响因素的数学模型，确定各影响因素对板和壳的质量的影响强弱顺序；最后，综合壳体的应变能、影响因素对壳体添加加强筋。结果表明，轻量化后壳体的强度、刚度均满足要求。

Abstract

In order to achieve a heavy commercial vehicle gearbox lightweight，the gray cast iron shell is replaced by aluminum alloy shell.Firstly，the finite element model is verified by modal test.Then the dynamic loads of the five bearings of the shell are obtained by the method of multi-body dynamics，and the strain energy of the shell is obtained based on the static analysis.Then，the mathematical model of four influencing factors on the mass of plate and shell is established to determine the order of the influence of each influencing factor on the mass of plate and shell.The results show that the strength and stiffness of the lightweight shell meet the requirements.

关键词

变速箱模态加强筋多体动力学轻量化

Keywords

GearboxModal analysisStiffenerMulti-body dynamicsLight weight

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