CATIA某型电动汽车-悬架系统设计
本文基于某型电动汽车，以悬架与整车性能的关系为立足点，综合考量，为其设计一套合理的悬架结构，改善汽车的平顺性和操稳性。研究内容还包括弹性元件的选择和尺寸参数的确定、减振器的确定与计算、布置方案的分析与确定、使用CATIA软件进行三文建模。最终完成双横臂独立悬架的设计过程。20682
关键词：电动汽车 双横臂独立悬架 减振器 螺旋弹簧
毕业论文设计说明书（论文）外文摘要
Title Suspension System Design Based on A Certain Type of The Electric Car
Abstract
With the continuous development of automobile industry, electric cars and other new energy vehicles of various kinds are springing up constantly. Suspension as an important part of the chassis assembly is closely related with the vehicle's many properties, so it is endowed with new requirements. Improvement and innovation, the structure and parameters of suspension can make it with new energy vehicles for good matching is an important part of the study when the front suspension.
This article is based on a certain type of electric cars to the relationship between suspension and performance as foothold, comprehensive consideration, to design a set of reasonable suspension structure, improve vehicle ride comfort and stability. The research content includes the choice of the elastic element and the determination of size parameters, calculation and determination of shock absorber, layout analysis and determination, 3 d modeling using CATIA software. Finally completed the design process of the double wishbone typed independent suspension frame.
Keywords electric car double wishbone independent suspension shock absorber coil spring
1. 绪论 1
1.1 研究背景 1
1.2 研究意义 1
2. 悬架概述 2
2.1 悬架设计的要求 4
2.2 悬架对汽车性能的影响 5
2.3本章小结 8
3. 悬架及弹性元件的结构形式与分析 10
3.1 悬架的结构形式与分析 10
3.2 弹性元件的特定分析比较 12
3.3 悬架方案的选择 12
3.4 本章小结 13
4. 悬架的设计计算 14
4.1 悬架主要参数确定 14
4.2 独立悬架导向机构设计 16
4.3弹性元件的计算 21
4.4 减振器的选择 23
4.5本章小结 25
5.CATIA建模 26
结论 29
致谢 30
参考文献 31
1. 绪论
1.1 研究背景
近几十年来，随着经济和科技突飞猛进的发展，汽车这一伟大的发明越来越多的融入人们的生活成为不可或缺的代步工具，同时也在某些方面反映了国家的工业水准和科技水准，是评价一个国家的是否发达的重要指标。