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山东农业大学
毕业论文
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题目： 电动汽车底盘结构的设计与分析
装
订
院 部 机械与电子工程学院
线
专业班级 车辆工程二班
届 次 2014 届
学生姓名 衣光亮
学 号 20100673
指导教师
玄冠涛
二零一四年六月十二日
2.1.1 Chassis with four-wheel landing condition analysis at the same time.................7 2.1.2 Chassis with the front wheel side dangling condition analysis............................8 2.1.3 Chassis with dangling rear side condition analysis..............................................9 2.1.4 Chassis with diagonal two wheels working condition analysis...........................11 2.1.5. Chassis with emergency braking condition analysis..........................................12 2.1..6 Chassis with turning condition analysis.............................................................13 2.2 The chassis structure optimization...........................................................................14 3. Electric vehicle chassis structure dynamic analysis.......................................................15 3.1.The chassis modal analysis four-wheel landing conditions.....................................15 3.2 The working condition of chassis front wheel side dangling modal analysis..........17 3.3 The chassis modal analysis emergency braking conditions.....................................20 3.4 Chassis emergency condition of turning modal analysis.........................................22 Conclusion...................................................................................................................... ...25 References.........................................................................................................................26 Appendix......................................................................................................................... ..27
2.1.1 底盘满载四轮同时着地工况分析 .................................7 2.1.2 底盘满载前轮一侧悬空工况分析..................................8 2.1.3 底盘满载后轮一侧悬空工况分析..................................9 2.1.4 底盘满载对角两轮悬空工况分析..................................11 2.1.5 底盘满载紧急制动工况分析......................................12 2.1.6 底盘满载转弯工况分析..........................................13 2.2 底盘结构优化处理 ................................................14 3. 电动汽车底盘结构动态分析.........................................15 3.1 底盘四轮着地工况模态分析..........................................15 3.2 底盘前轮一侧悬空工况模态分析......................................17 3.3 底盘紧急制动工况模态分析..........................................20 3.4 底盘紧急转弯工况模态分析............................ .............22 结论 .................................................................25 参考文献..............................................................26
致 谢.................................................................27
Contents Abstract...................................................................................................,..................... ......2 Introduction................................................................................................,.................,......3 1. Electric vehicle chassis structure.....................................................................................3 1.1 Electric automobile chassis.........................................................................................3 1.2 The chassis design method of electric vehicle.............................................................3 1.3 Analysis method of electric vehicle chassis structure..................................................4 1.4 Electric automobile chassis design..............................................................................6 2. Analysis of the chassis structure of electric vehicle........................................................6 2.1 Analysis of the chassis structure of six kinds of condition of statics..........................7
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Design and analysis of electric vehicle chassis structure
Author: Yiguangliang The instructor: Limingguang Xuanguantao (Qingdao Aobo Environmental Protection Technology Co., Ltd. The Engineer; Shandong Agricultural University Professor) 【Abstract】The chassis is the main structure of electric vehicle, the vast majority of parts of electric cars
态特性以减小整车振动。其结构性能直接影响电动汽车的安全性、操作性和舒适性[3]。本文主要分析
了电动车在六种典型工况下底盘结构受到不同弯扭和应力作用时刚度和强Байду номын сангаас的问题，利用三维实体建
模软件 Solidworks 对电动车底盘进行三维实体建模，利用 sumilation 对所设计的底盘进行静力学分析 [12]，得到了六种工况下底盘局部变形和应力过大区域，为底盘结构优化改进提供了重要依据。最后对