机械毕业设计（论文）-小型电动载货三轮车的设计.doc

目录
摘要·····································································································1
关键词··································································································1
1 前言································································································1
课题背景及目的··········································································1
国内外研究状况···············································································2
本论文设计的主要内容···································································3
电动三轮车结构设计方案的确定······························································3
电动三轮车根据用途不同的分类·······················································3
老年休闲型电动三轮车····························································3
客运型电动三轮车····································································3
货运型电动三轮车·········································································3
目前国内外常见的电动三轮车后桥的结构样式·····································3
单侧电机、外置车架型·························································3
中置电机带大轴型······································································4
电动三轮车设计方案比较分析····························································4
电动车的整体设计···················································································4
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4 电动机的选择·························································································5

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电动机功率的选择························································