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设计大纲：
摘要·····································································································1
关键词··································································································1
1 前言································································································1
1.1 课题背景及目的··········································································1
1.2 国内外研究状况···············································································2
1.3 本论文设计的主要内容···································································3
2电动三轮车结构设计方案的确定······························································3
2.1 电动三轮车根据用途不同的分类·······················································3
2.1.1 老年休闲型电动三轮车····························································3
2.1.2 客运型电动三轮车····································································3
2.1.3 货运型电动三轮车·········································································3
2.2 目前国内外常见的电动三轮车后桥的结构样式·····································3
2.2.1 单侧电机、外置车架型·························································3
2.2.2 中置电机带大轴型······································································4
2.3 电动三轮车设计方案比较分析····························································4
3电动车的整体设计···················································································4
3.1电动三轮车的参数选择····································································4
3.2电动三轮车外形的设计····································································4
4 电动机的选择·························································································5
4.1电动机的分类··················································································5
4.1.1有刷电机的优缺点·······································································5
4.1.2无刷电机的优缺点·····································································6
4.2 电动机功率的选择·············································································7
4.2.1行驶阻力·····················································································7
4.2.2 最大功率·············································································7
4.2.3 最大转速············································································7
5 蓄电池的选择··················································································7
6 控制器的选择·····················································································7
6.1 控制器的功能·················································································8
6.2 控制器的分类·············································································8
6.2.1有刷控制器·········································································8
6.2.2 无刷控制器············································································9
7电动三轮车转向机构的设计·····································································10
7.1 转向方式的确定·················································································10
7.2 前叉的设计······················································································10
7.2.1 前叉转向轴的设计··································································10
7.2.2 叉冠的设计··············································································10
7.2.3减震器的选择············································································11
8 电动三轮车行走系统的设计·········································································12
8.1车架的设计·······················································································12
8.2 电动三轮车后桥选用······································································13
8.3 传动轴的设计········································································13
9 电动三轮车制动系统的设计·······································································14
9.1电动三轮车前轮制动系统·······································································14
9.2电动三轮车后轮制动系统·····································································14
9.3电动三轮车驻车系统·········································································14
10 轮胎、轮辋的选择·············································································15
10.1 轮胎····························································································15
10.2轮辋·················································································15
11结论·······································································································15
参考文献····································································································16
致谢···········································································································17
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