| 基于模态分析的发动机齿轮室盖优化设计 |
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| 引用本文： | 胡志胜,李波,陈玮.基于模态分析的发动机齿轮室盖优化设计[J].天津汽车,2011(7):59-61. |
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| 作者姓名： | 胡志胜 李波 陈玮 |
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| 作者单位： | 安徽江淮汽车股份有限公司技术中心; |
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| 摘 要： | 某柴油发动机齿轮室盖在试验中振动较大,为解决这一问题,文章采用声学振动测试与CAE模态分析相结合的方法,对齿轮室盖进行优化设计,并进行试验验证。结果证明通过在齿轮室盖薄弱位置处添加加强筋,可以有效提高其固有频率,避开发动机在3600r/min转速下的主要贡献频率,改善齿轮室盖的振动情况。CAE模态分析方法能够有效识别结构件的薄弱区域,通过加强局部刚度,改善振动性能。
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| 关 键 词： | 发动机齿轮室盖 机械振动测试 CAE 模态分析 |
Optimized Design of Gearbox Cover of Diesel Engine Based on Modal Analysis |
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| HU Zhisheng,LI Bo,CHEN Wei.Optimized Design of Gearbox Cover of Diesel Engine Based on Modal Analysis[J].Tianjin AUTO,2011(7):59-61. |
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| Authors: | HU Zhisheng LI Bo CHEN Wei |
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| Institution: | HU Zhisheng,LI Bo,CHEN Wei |
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| Abstract: | In order to solve the greater vibration of gearbox cover of a diesel engine in the experiment,the acoustics vibration test and CAE modal analysis method were combined to optimize design of gearbox cover of a diesel engine and test validation was proceeded.The result has proved that the ribs on the weakness region would increase the frequency,avoid the main contribute frequency at 3 600 r/min and improve the vibration performance of gearbox cover.CAE modal analysis method can distinguish the weakness regions... |
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| Keywords: | Gearbox cover of diesel engine Mechanical vibration test CAE Modal analysis |
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