整车配置课程设计..doc

1目录设计任务书························································2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·······································6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··············································12第3章整车性能计算··············································、·····················、汽车动力性能计算··········································、汽车经济性能计算··········································17第4章发动机与传动系部件的确定·································18设计总结·························································19致谢·····························································19参考文献·························································20附录·····························································21青岛理工大学课程设计2设计任务书载货汽车汽车动力总成匹配与总体设计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。整车尺寸(长*宽*高)11976mm*2065mm*3390mm轴数4轴距(5750+1350)mm额定载质量20000kg整备质量12000kg公路行驶最高车速90km/h最大爬坡度≥30%2、具体设计任务1)查阅相关资料,根据设计题目中的具体特点,进行发动机、离合器、变速箱传动轴、驱动桥以及车轮的选型。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)绘制设计车辆的总体布置图。4)完成至少1万字的设计说明书。。参考该题目中的参数,要求设计的载货汽车最高车速是ua=90km/h,那么发动机的最大功率应该大于或等于以该车速行驶时,滚动阻力功率与空气阻力功率之和,即)761403600(1max3maxmaxaDaTeu