整车配置课程设计.docx

汽车动力总成匹配与总体设计说明书指导老师: 董志强设计者: 王旭东班级: 车辆 121201学号: 20********** 太原科技大学 /“汽车设计课程设计”是汽车设计制造专业学生的必修的实践教学环节,是锻炼学生解决工程实践与培养创新能力的一种具体手段。通过完成汽车某一总成的设计,或者解决某一具体设计实例问题,学****选择汽车总成设计方案的思路,确定相应的机械结构,选取合理的参数,绘制的合格的设计图样,进行汽车设计的初步训练,达到对前期所学“汽车构造”、“汽车理论”、“汽车设计”等课程专业知识的综合应用。而汽车动力总成指的是车辆上产生动力,并将动力传递到路面的一系列零部件组件。广义上包括发动机,变速箱,驱动轴,差速器,离合器等等,但通常情况下,动力总成,一般仅指发动机,变速器,以及集成到变速器上面的其余零件,如离合器/前差速器等。关键词:动力总成、传动系总成选型、整车性能计算1目 录设计任务书························································3第 1 章 整车主要目标参数的初步确定·································、发动机的选择·················································、发动机的最大功率及转速的确定·······························、发动机的最大转矩及转速的确定·······························、轮胎的选择···················································、传动系最小传动比的确定·······································、传动系最大传动比的确定·······································7第 2 章 传动系各总成的选型·········································、发动机的选型·················································、离合器的初步选型·············································、变速器的选型················································、传动轴的选型················································、驱动桥的选型················································、驱动桥结构形式和布置形式的选择····························、主减速器结构形式选择······································、驱动桥的选型··············································13第 3 章 整车性能计算········································································································································203第 4 章 设计总结·················································22致谢·····························································24参考文献·························································244额定装载质量(Kg)最大总质量(kg)最大车速-1(Kmh )-1比功率 (KWt )-1比转矩(Nmt )学号275050001102476201212040127课程设计任务书1、设计题目载货汽车动力总成匹配与总体设计2、性能参数要求根据给定参数,设计一辆最高速度≥90km/h、最大爬坡度≥30%的载货汽车。3、具体设计任务1) 查阅相关资料,分析设计题目,进行发动机、离合器、变速箱传动轴、驱动桥以及车轮的选型设计。2) 根据所选总成进行汽车动力性、经济性的估算,实现整车的优化配置。3