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Position: Home > Articles > Finite Element Modal Analysis of Gear Box Casing of 7YPJ Agricultural Tricar Tractor & Farm Transporter 2009,36 (1) 39-41

7YPJ型农用三轮汽车齿轮箱体有限元模态分析

作  者:
刘波;郑忠才;高岩;李健;张坤金
单  位:
山东建筑大学;山东电子职业技术学院
关键词:
三轮汽车;齿轮箱体;有限元;模态分析
摘  要:
针对7YPJ型农用三轮汽车齿轮箱体的结构特点,应用模态分析理论对其进行了约束模态的有限元分析。在Pro/E软件中建立了齿轮箱体的三维实体模型,在有限元分析软件ANSYS中采用四面体单元对其进行了网格划分,建立了箱体的有限元模型。采用兰索斯法计算出箱体前10阶约束模态的固有频率和相应振型,通过振型分析找到了箱体振动的薄弱部位并提出了相应的修改措施,为箱体结构的改进设计及其动态响应分析提供了理论依据。
译  名:
Finite Element Modal Analysis of Gear Box Casing of 7YPJ Agricultural Tricar
作  者:
LIU Bo1,ZHENG Zhong-cai1,GAO Yan2,LI Jian1,ZHANG Kun-jin1 (1.College of Mechanical and Electronic Engineering,Shandong Jianzhu University,Jinan 250101,China;2.Shandong College of Electronic Technology,Jinan 250014,China)
关键词:
Tricar;Gear box casing;Finite element;Modal analysis
摘  要:
Finite element analysis for constraint model was conducted on the gear box casing of 7YPJ agricultural tricar using modal analytic theory according to its structural characteristics.3-dimensional solid model of the gear box casing was established using Pro/E,and tetrahedral element was used to get its gridding partition in ANSYS.The natural frequencies and corresponding vibration modes of the first ten steps of the gear box casing were worked out by using Lanczos method.By the analysis of vibration modes,the weak spots of the gear box casing were found and the improved schemes were brought forward.The analysis results supplied a theoretical support to improve the structural design and the dynamic response analysis of the gear box casing.

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