学位论文_整车配置载货汽车汽车动力总成匹配与总体设计.docVIP

目 录 设计任务书························································2 第1章 整车主要目标参数的初步确定·································3 1.1、发动机的选择·················································3 1.1.1、发动机的最大功率及转速的确定·······························3 1.1.2、发动机的最大转矩及转速的确定·······························4 1.2、轮胎的选择···················································4 1.3、传动系最小传动比的确定·······································5 1.4、传动系最大传动比的确定·······································6 第2章 传动系各总成的选型·········································7 2.1、发动机的选型·················································7 2.2、离合器的初步选型·············································9 2.3、变速器的选型················································10 2.4、传动轴的选型················································11 2.5、驱动桥的选型················································11 2.5.1、驱动桥结构形式和布置形式的选择····························11 2.5.2、主减速器结构形式选择······································12 2.5.3、驱动桥的选型··············································12 第3章 整车性能计算··············································12 3.1、配置潍柴WD615.50发动机时的整车性能计算·····················12 3.1.1、汽车动力性能计算··········································13 3.1.2、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 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 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。 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。 绘制设计车辆的总体布置图。 完成至少1万字的设计说明书。