某重型自卸车车架的有限元分析与改进设计
江元,居刚
(安徽江淮汽车股份有限公司,安徽 合肥 230601)
摘要:运用UG软件建立起某重型自卸车车架总成的三维模型,并利用有限元分析方法,采用壳单元进行网格划分以及合理的模型简化和连接方式,建立起某重型自卸车车架基于Nastran的有限元模型。对应车架在纯弯曲和扭转两种工况下,施加相应的边界条件和载荷条件,进行刚强度分析,得到车架在纯弯曲、扭转工况下的应力、应变图,找出车架中的薄弱部位并对薄弱部位进行结构优化。通过优化前后对比分析为后续车架结构改进提供理论依据。
关键词:车架;刚度;强度;优化;有限元分析
中图分类号:U463.32           文献标识码:A         文章编号:1006-0316 (2012) 05-0012-05
Analysis research and optimization of a heavy dump truck body frame
JIANG Yuan,JU Gang
(Anhui Jianghuai Automobile Co. Ltd.,Hefei 230601,China)
Abstract:Papers use the software of UG to establish a frame three-dimensional model of a heavy dump truck. And it makes a finite element model of a heavy dump truck frame based on Nastran by the finite element method, such as using the shell unit for meshing and a reasonable simplification and connections. It just researches on the stiffness and strength of the frame by applying the corresponding boundary conditions and load conditions in only bending or torsion to get stress - strain diagram, and finds and improves the weak parts of the frame structure. The theoretical proof was got by the comparation of structures optimization.
Key words:frame;stiffness;strength;optimization;FEA

———————————————
收稿日期:2011-09-09
作者简介:江元(1986-),安徽宁国人,本科,主要从事重型车车架设计研发工作。

 

设为首页  |  加入收藏    |   免责条款
《机械》杂志版权所有     Copyright©2008-2012 Jixiezazhi.com All Rights Reserved 

  电话:028-85925070    传真:028-85925073    E-mail:jixie@vip.163.com

地址:四川省成都锦江工业开发区墨香路48号   邮编:610063

蜀ICP备08103512号

Powered by PageAdmin CMS