某手动换挡器强度问题的结构改进与分析  

Structural improvement and analysis of insufficient strength of a manual shifter

作　　者：李秀娟 Li Xiujuan(Nanjing Aolian AE&EA CO., LTD, Jiangsu Nanjing 211100)

机构地区：[1]南京奥联汽车电子电器股份有限公司

出　　处：《汽车实用技术》2019年第13期54-57,共4页Automobile Applied Technology

摘　　要：汽车换挡器作为汽车一个重要零部件,使用条件较为严苛恶劣,因此对其具有较高的强度要求。文章针对某手动换挡器的静强度测试达不到强度要求问题对该换挡器进行改进设计,通过调整改进内部部件结构使改进后的换挡器成功通过静强度测试,满足产品性能要求。运用了有限元软件对改进前后的模型进行了有限元分析,得到了更清晰的效果。使用试验数据分析了换挡器在高低温情况下安全系数的变化。As an important part of the car,the car shifter is used in harsh conditions,so it has high strength requirements.In this paper,the static strength test of a manual shifter can not meet the strength requirement.The internal gear structure is adjusted to improve the static strength test.Meanwhile,the finite element software was used to analyze the model before and after the improvement,and a clearer optimization effect was obtained.The test data was used to analyze the change of the safety factor of the shifter at high and low temperatures.

关 键 词：换挡器 安全系数 换挡性能 

分 类 号：U463.212[机械工程—车辆工程]