方程式赛车整体车架设计
摘要
FSAE赛车是一项以大学生为对象的赛事,旨在为汽车工业培养更多的优秀人才,参赛的赛车全都由各高校研究设计。由于是为比赛而设计的赛车车架,因此设计时必须要考虑赛事技术规范。我的毕业设计就是为FSAE赛车设计车架。赛车的车架设计必须要考虑赛车发动机、驾驶员的布置以及赛车各个总成的布置。又由于赛车车架是赛车的主要受力结构,赛车上的几乎所有的结构以及部件都是有车架直接或者间接支撑,所以车架的结构一定要合理,同时强度刚度必须达到一定的要求。
在车架设计之初,要将大赛的有关规定和评分标准完全掌握,对各部件该怎么布置,布置在什么方位有一个清晰的规划。同时为了使以后的车架结构设计更为合理,我参考了天津大学、湖南大学以及部分国外的车架。进入设计阶段后,在对比了车架的结构形式后,选择了桁架式的车架。根据强度要求,选择车架的材料。在确定了悬架的安装位置后,依据技术规范、赛车的整体布置、发动机以及人体模型确定车架大致的整体尺寸,然后建立几套车架的雏形;再优化车架结构使整体各个系统能合理的布置在车架上,直至使车架结构满足各个方面的要求。在几套车架结构基本定型以后,开始对车架进行结构受力分析、优化以及对比,选择结构合理质量最轻的车架。
关键词:FSAE,车架,技术规范,发动机,驾驶员
FORMUL SAE—A SPACE FRAME DESIGN
ABSTRACT
The FSAE vehicle race is one takes university student as the sports event of object, for the purpose of creates more outstanding talents for the automobile industry, participating vehicle race all by various university research and designs. As a result petition vehicle race frame of design, when design must consider the sports event technology standard. My graduation project designs the frame for the FSAE vehicle race. The frame design of vehicle race must consider the the arrangement of arrangement as well as vehicle race each unit of vehicle race engine and pilot. Because vehicle race frame is the main stress structure of vehicle race, almost all structures as well as the parts in vehicle race have the frame direct or indirect support, therefore the structure of frame is certainly reasonable, simultaneously the intensity rigidity must meet certain requirements. At the beginning of the frame designs, pletely grasps the concerned requirements and point scale of big game, how should arrange to various parts, arranges has a clear plan in any position. Simultaneously to make the later vehicle frame design is more reasonable, I have referred to some Tianjin University, Hunan University as well as overseas frames. After being in the design stage, after contrasting the structural style of frame, has chosen the truss-type frame. According to the intensity request, chooses the material
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