柴油动力微型客车设计（车架设计）

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柴油动力微型客车设计（车架设计）目 录

第-章 绪论·······················································3
§1.1 课题背景··············································3
§1.2 微型客车技术的发展趋势· ······························3
§1.3 车架的发展 ···········································4
§1.3.1 国外汽车发展·······································6
§1.3.2 国内汽车发展······································7
第二章 方案论证·················································7
§2.1 参考车型及其参数······································7
§2.2 车架设计的技术要求····································7
§2.2.1 足够的强度 ····································8
§2.2.2 车架的轻量化··································9
§2.3车架结构的确定 ·······································9
第三章 车架的设计··············································13
§3.1车架的结构形式的设计··································13
§3.1.1 确定车架的宽度··································15
§3.1.2 车架纵梁形式的确定·······························15
§3.1.3 车架横梁形式的确定·······························16
§3.1.4 车架纵梁与横梁连接形式的确定····················17
§3.2 车架的受载分析 ·······································18
§3.2.1 静载荷·······································18
§3.2.2 对称的垂直动载荷·····························18
§3.2.3 斜对称的动载荷····························19
§3.2.4 其它载荷····························19
§3.3 弯曲强度计算是的基本假设······························19
§3.4 纵梁的弯矩和剪力的计算································19
§3.4.1 力的计算·······························20
§3.4.2 弯矩的计算·······························20
§3.4.3 车架材料的确定·······························22
§3.4.4 纵梁截面特性的选择·······························23
§3.4.5 弯曲应力计算与校核·······························23
§3.4.6 临界弯曲应力计算和校核························23
第四章 车架的制造工艺·········································23
§4.1 纵梁·······························25
§4.2 横梁·······························25
总结 ····························································26
致谢······························································27
参考文献 ························································28
附录························································29