重型载货汽车总体设计说明书.doc

汽车设计课程设计说明书 题目：重型载货汽车总体设计 姓名：严炳炎 学号：200924267 同组者：孔祥生、席昌钱、余鹏、李朋超、郑大伟 专业班级：09车辆工程2班 指导教师：王丰元、邹旭东、李树成 设计时间：2012. 9.3-2012. 11.20 目 录 设计任务书··························································3 第1章、 汽车形式和主要参数的初步确定·······························4 一、汽车形式的选择············································4 1.1、汽车轴数················································4 1.2、驱动形式·················································4 1.3、布置形式················································4 二、汽车主要参数的选择··········································5 2.1、汽车主要尺寸参数的确定··································5 2.2、汽车质量参数的确定·······································6 2.3、汽车质量参数的确定·······································6 2.4、轴荷分配················································7 第2章 整车主要性能参数的确定和计算·································8 一、发动机的选择···············································8 1.1发动机最大功率及其转速的确定·······························8 1.2发动机最大转矩及其转速的确定·······························8 1.3发动机主要参数·············································8 二、配置大柴BA6M1013-28E3发动机的整车性能计算·················10 2.1汽车动力性能计算········································10 2.2汽车的加速性能计算······································12 三、轮胎的选择·················································12 四、汽车重要性能参数和车身造型图······························13 第3章、总体布置····················································14 总体布置要求与分析·············································14 总体布置草图···················································18 设计总结··························································19 参考文献··························································19 附录1、附录2·······················································20设计任务书 重型载货汽车总体设计 一、整车性能参数： 设计一辆用于长途城际物流运输，最大总质量不超过31t,额定载重质量为16t，最高车速为100km/h的重型载货汽车(售价不高于对标竞争车型)。 整车尺寸（长*宽*高） 11976mm*2395mm*3750mm 轴数/轴距 4/（2000+4700+1350）mm 额定载质量 16000kg 整备质量 11805kg 公路行驶最高车速 100km/h 最大爬坡度