小型电动载货三轮车的设计

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1、全日制普通本科生毕业设计小型电动载货三轮车的设计THEDESIGNOFSMALL-SCALEELECTRLECARGOTRICYCLE由于部分原因，说明书已删除大部分，完整版说明书，CAD图纸等，联系学生姓名：学号：年级专业及班级：2008级机械设计制造及其自动化指导老师及职称：学部：理工学部提交日期：2012年5月全日制普通本科生毕业设计诚信声明本人郑重声明：所呈交的本科毕业论文是本人在指导老师的指导下，进行研究工作所取得的成果，成果不存在知识产权争议。除文中已经注明引用的内容外，本论文不含任何其他个人或集体已经发表或撰写过的作品成果。对本文的研究做出重要贡献的个

2、人和集体在文中均作了明确的说明并表示了谢意。同时，本论文的著作权由本人与湖南农业大学东方科技学院、指导教师共同拥有。本人完全意识到本声明的法律结果由本人承担。毕业设计作者签名：年月日目录摘要·····································································································1关键词······················································································

3、············11前言································································································11.1课题背景及目的··········································································11.2国内外研究状况··············································································

4、·21.3本论文设计的主要内容···································································32电动三轮车结构设计方案的确定······························································32.1电动三轮车根据用途不同的分类·······················································32.1.1-6-老年休闲型电动三轮车··································

5、··························32.1.2客运型电动三轮车····································································32.1.3货运型电动三轮车·········································································32.2目前国内外常见的电动三轮车后桥的结构样式·····································32.2.1单侧电机、外置车架型··············

6、···········································32.2.2中置电机带大轴型······································································42.3电动三轮车设计方案比较分析····························································42电动车的整体设计········································································

7、···········43.1电动三轮车的参数选择····································································43.2电动三轮车外形的设计····································································44电动机的选择·················································-6-········································54.1电动机的分