目 录
绪 论 .................................................................................................................................................................. 3 第一章 汽车底盘的组成和功用 ...................................................................................................................... 4
1.1传动系 ................................................................................................................................................... 5
1.1.1传动系的功用及组成 ............................................................................................................... 5 1.1.2 离合器的组成及结构特点 ...................................................................................................... 6 1.1.3 变速器的功用及结构特点 ...................................................................................................... 6 1.2转向系 ................................................................................................................................................... 7
1.2.1转向系的构造 ........................................................................................................................... 8 1.3行驶系 ................................................................................................................................................... 9
1.3.1前悬挂的构造 ........................................................................................................................... 9 1.4制动系 ................................................................................................................................................. 10
1.4.1制动系的构造 ..........................................................................................................................11
第二章 传动系的维修工艺 .............................................................................................................................. 13
2.1 离合器的维修工艺 ............................................................................................................................ 13
2.1.1离合器的拆卸 ......................................................................................................................... 13 2.1.2离合器从动盘的维修工艺 ..................................................................................................... 13 2.1.3离合器压盘的维修工艺 ......................................................................................................... 13 2.1.4离合器的安装 ......................................................................................................................... 13 2.2变速器的维修工艺 ............................................................................................................................. 14
2.2.1变速器的拆卸 ......................................................................................................................... 14 2.2.2变速器换挡操纵机构的拆卸 ................................................................................................. 14 2.2.3变速器换挡操纵机构的调整 ................................................................................................. 14 2.2.4变速器换挡操纵机构的安装 ................................................................................................. 15 2.2.5变速器的安装 ......................................................................................................................... 15 2.3 差速器的维修工艺 ............................................................................................................................ 15
2.3.1维修驱动法兰轴的注意事项 ................................................................................................. 15 2.3.2圆锥滚柱轴承圈的拉出与压入 ............................................................................................. 15 2.3.3差速器的调整 ......................................................................................................................... 16 2.4 传动轴的维修工艺 ............................................................................................................................ 16 第三章 转向系的维修工艺 .............................................................................................................................. 18
3.1转向系拆卸 ......................................................................................................................................... 18
3.1.1转向柱的拆卸 ......................................................................................................................... 18 3.1.2转向器的拆卸 ......................................................................................................................... 18 3.2转向系各部件的维修工艺 ................................................................................................................. 19
3.2.1转向柱与转向柱管的检查 ..................................................................................................... 19 3.2.2动力转向器的检查 ................................................................................................................. 19 3.2.3动力转向油泵的检查 ............................................................................................................. 19 3.3转向系的安装 ..................................................................................................................................... 20
3.3.1动力转向油泵的组装 ............................................................................................................. 20 3.3.2动力转向泵的安装 ................................................................................................................. 20 3.3.3动力转向器的组装 ................................................................................................................. 20 3.3.4动力转向器的安装 ................................................................................................................. 21
江苏技术师范学院毕业(论文)设计
3.3.5转向柱的安装 ......................................................................................................................... 21
第四章 行驶系统的维修工艺 .......................................................................................................................... 22
4.1前悬挂各部件的拆卸 ......................................................................................................................... 22
4.1.1车轮与转向节的拆卸 ............................................................................................................. 23 4.1.2转向节的分解 ......................................................................................................................... 23 4.1.3前减震器的拆卸与分解 ......................................................................................................... 23 4.2前轮定位角的测量与调整 ................................................................................................................. 24
4.2.1前悬挂检查 ............................................................................................................................. 24 4.2.2前轮转角的定义与测量 ......................................................................................................... 25 4.2.3前轮定位角的测量与调整 ..................................................................................................... 25 4.2.4车轮定位 ................................................................................................................................. 26 4.2.5专用工具和维修设备: ......................................................................................................... 29 4.3前悬挂零件的维修工艺 ..................................................................................................................... 29
4.3.1前减震器的检查 ..................................................................................................................... 29 4.3.2前轮毂与转向节的检查 ......................................................................................................... 30 4.3.3车轮的检查 ............................................................................................................................. 30 4.4前悬挂各零件的安装 ......................................................................................................................... 31
4.4.1副车架、横向稳定杆与控制臂的安装 ................................................................................. 31 4.4.2转向节与轮毂的组装 ............................................................................................................. 31
第五章 制动系维修工艺 .................................................................................................................................. 33
5.1制动系的各部件的拆卸 ..................................................................................................................... 33
5.1.1主缸和真空助力器的拆卸与分解 ......................................................................................... 33 5.1.2前盘式制动器的拆卸与分解 ................................................................................................. 33 5.2制动系的维修工艺 ............................................................................................................................. 33
5.2.1制动主缸与真空助力器的检查 ............................................................................................. 33 5.2.2前盘式制动器的检查 ............................................................................................................. 34 5.2.3后鼓式制动器的检查 ............................................................................................................. 34 5.3制动系的安装 ..................................................................................................................................... 35
5.3.1后制动器的安装 ..................................................................................................................... 35 5.3.2前制动器的安装 ..................................................................................................................... 36
第六章 帕萨特底盘维修工艺流程 ................................................................................................................ 37
6.1 离合器的维修工艺 ............................................................................................................................ 37
6.1.1 离合器的维修工艺 ................................................................................................................ 37 6.1.2变速器的维修工艺 ................................................................................................................. 38 6.1.3 差速器的维修工艺 ................................................................................................................ 39 6.1.4 传动轴的维修工艺 ................................................................................................................ 40 6.2转向系的维修工艺流程 ..................................................................................................................... 41
6.2.1转向系拆卸 ............................................................................................................................. 41 6.2.2转向系各部件的维修工艺 ..................................................................................................... 42 6.2.3转向系的安装 ......................................................................................................................... 43 6.3行驶系的维修工艺流程 ..................................................................................................................... 44 6.4制动系的维修工艺流程 ..................................................................................................................... 45 总 结 .............................................................................................................................................................. 46 参考文献 ............................................................................................................................................................ 46
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江苏技术师范学院毕业(论文)设计
摘 要
本文以帕萨特轿车底盘系统为主体,从汽车传动系、转向系、行驶系、制动系等四个部分详细阐述了帕萨特轿车底盘系统的维修工艺,所涉及内容可以满足汽车维修技术人员对该车底盘结构特点、维修装配要点、故障检测诊断等实际需求,注重理论和实践的紧密结合,内容具有针对性和实用性。
关键词:帕萨特轿车 底盘系统 维修工艺
Abstract
The Jetta sedan chassis system as the main, from the automobile transmission,
steering, suspension and wheels, brake system described in detail in four parts Jetta chassis systems maintenance process, involving the contents of the vehicle maintenance technicians to meet structural characteristics of the vehicle chassis, repair assembly points, fault detection and diagnosis, the actual demand, pay attention to the close integration of theory and practice, content, focused and practical.
Key words: Jetta chassis system maintenance process
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江苏技术师范学院毕业(论文)设计
绪 论
伴随着社会经济飞速发展,汽车行业也在大踏步的向前迈进。从汽车设计研发、制造、销售再到售后服务,对技术的要求在不断地提高。汽车的维护修理在整个行业链当中又是一个重要的环节。
汽车组成包括了发动机、底盘、车身、电气。汽车底盘的维护修理是汽车维修中的一大重要项目。帕萨特轿车作为当初中国轿车发展起来时的一款热门车型,经济实惠,它的维修工艺对其它车型的维修都有可借鉴之处。因此本文选取帕萨特轿车为实例,将系统全面地阐述帕萨特轿车底盘系统的维修工艺。本文内容的详略取舍能充分满足培养汽车维修技术人员所必备结构要求为出发点,切实贴近汽车修理厂的实际情况,特别注重理论和实践的紧密结合,内容具有极强的针对性和实用性。
本文共分为四个章节,对帕萨特轿车底盘的四个主要组成部分进行了详细阐述,分别包括传动系的构造与维修、转向系的构造与维修、行驶系的构造与维修和制动系的构造与维修。研究内容包括了帕萨特轿车底盘各系统的组成结构特点及功用,底盘各系统和装置的分解、检验,各系统的维修规范,装配、调整与试验。在编写本文过程中对汽车维修厂进行了实地考察,查阅了帕萨特轿车的使用手册、维修手册及相关参考资料,在国家和汽车行业标准、规范的基础上进行编写,做到条理清晰,层次分明,语言简练,图文并茂,重点突出,详略得当。
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江苏技术师范学院毕业(论文)设计 第一章 汽车底盘的组成和功用
汽车底盘由传动系、行驶系、转向系和制动系等四大系统组成,其功用是接收发动机的动力,使汽车运动并保证汽车能够按照驾驶员的操纵正常行驶。图1-1所示为轿车的底盘结构图。
行驶系转向系传动系制动系 图1-1 轿车的底盘结构图
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