STRUCTURE OPTIMIZATION OF ELECTRIC AUTOMOBILE TRANSMISSION HOUSING

ZHENG SongLin; QU JinQian; SHI WenShan; CHEN YouSong; LIU Hui; XU Ying

doi:10.16579/j.issn.1001.9669.2015.06.029

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STRUCTURE OPTIMIZATION OF ELECTRIC AUTOMOBILE TRANSMISSION HOUSING

更新时间：2022-09-22

- STRUCTURE OPTIMIZATION OF ELECTRIC AUTOMOBILE TRANSMISSION HOUSING
- Journal of Mechanical Strength Vol. 37, Issue 6, Pages: 1168-1172(2015)
- 作者机构：
  
  1. 上海理工大学机械工程学院
  2. 上汽商用车技术中心
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2015.06.029
  CLC：
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ZHENG SongLin, QU JinQian, SHI WenShan, et al. STRUCTURE OPTIMIZATION OF ELECTRIC AUTOMOBILE TRANSMISSION HOUSING. [J]. 37(6):1168-1172(2015)
DOI：

ZHENG SongLin, QU JinQian, SHI WenShan, et al. STRUCTURE OPTIMIZATION OF ELECTRIC AUTOMOBILE TRANSMISSION HOUSING. [J]. 37(6):1168-1172(2015) DOI： 10.16579/j.issn.1001.9669.2015.06.029.

摘要

按7颗钻流程,针对电动汽车变速器壳体裂纹的产生,进行原因排查、有限元分析和结构优化。首先,通过7钻排查,找到出现问题的制造环节;然后应用Hyperworks 11.0对优化前变速器壳体进行有限元仿真分析,并证明排查出裂纹原因的正确性;其次,对变速器壳体进行了3方面的结构优化,并对优化后的壳体进行有限元仿真分析,从应力分布云图看出其最高应力得到较大降低,且符合强度要求;最后,在台架试验台上进行了6次试验验证,结果表明,优化后的壳体强度和耐久性达到要求,优化方案切实可行。故通过7颗钻流程解决裂纹问题的结构优化方法对此类质量问题的处理具有工程实际意义。

Abstract

Troubleshooting,finite element analysis and structure optimization were carried out through 7 Diamonds analysis in view of electric automobile transmission housing crack. First, problems of manufacturing were found by 7 Diamonds troubleshooting; Then FEA of the transmission housing before optimization was implemented by Hyperworks 11. 0,proving the validity of cracking reason; Thirdly,3 structure aspects of transmission housing were optimized,then FEA of the transmission housing after optimization was carried,the stress distribution cloud image shows that the maximum stress reduces greatly and this conforms to the requirements of the strength; Finally,on the bench test 6 tests were verified,the results indicates that the optimization of transmission housing meets intensity and durability requirements and optimization scheme is feasible. So the method of structure optimization to solve the problem of housing cracking through 7 Diamonds analysis has significance in engineering project.

关键词

电动汽车变速器壳体结构7颗钻有限元分析强度耐久性

Keywords

Electric automobileStructure of transmission housing7 DiamondsFEAStrengthDurability

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