文档包括:

 

说明书1份，共25页，约12000字左右

 

CAD版本本图纸，共6张

 

 

摘 要

 

乘客门是客车的重要组成部分，是乘客上下车的通道，对客车的整体造型也起着重要的协调作用。随着我国汽车技术的发展，我国汽车厂家已普遍采用了优势突出的外摆式乘客门。外摆式乘客门是一种无轨道的移出车门，门扇靠回转臂支撑，依靠转轴的转动带动门扇作近似于平行移动的运动，因而也称为平移门。

本文为中型客车的外摆式乘客门和行李舱门的设计。分析了外摆式乘客门和行李舱门的结构和工作原理，确定其各部分的尺寸及主要零部件的选型及安装。讨论了国内外汽车附件工业发展的情况比较。AUTOCAD软件是当今世界上一种主流的设计软件之一。在本设计中应用了AUTOCAD软件制作乘客门和行李舱门。

 

关键词： 外摆门，行李舱门, 安全，AUTOCAD。
目  录
 
第一章 绪论························································1
  1.1 乘客门类型选择················································1
1.1.1乘客门主要结构形式·········································1
1.1.2 外摆门的优点··············································2
  1.2 CAD 技术在汽车开发中的应用····································2
  1.2.1CAD技术的发展············································2
第二章  国内外外发展情况比较·······································3
2.1客车附件工业的特点···········································3
2.2 目前国内客车车身附件的状况及与国外发达国家之间的差距·········3
2.3发展建议·····················································6
第三章  外摆式乘客门设计···········································7
3.1 外摆式乘客门的结构···········································7
3.2乘客门泵选型··················································8
3.2.1 门泵主要技术参数··········································9
3.2.2 门泵安装与调试············································10
3.3运动机构设计及校核···········································10
3.3.1用作图法确定车门的运动轨迹·······························10
3.3.2运动校核··················································13
3.4 外摆门的密封·················································14
3.4.1几种典型外摆式乘客门密封结构·····························14
3.4.2改进型密封结构···········································16
3.4.3密封结构选定  ···········································17
3.5 外摆式乘客门的制作···········································18
3.5.1制作工艺·················································18
3.5.2预装与调试················································18
第四章  发动机舱门设计·············································18
4.1舱门结构组成·················································18
4.2零部件选型····················································18
4.2.1锁 具 的 选 择················································18
4.2.2气弹簧支撑机构·············································20
4.3铰链设计·····················································21
设计评价分析····················································23
致   谢··························································24
参考文献··························································25