汽车转向器毕业设计说明书好资料

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学士学位论文

摘要

汽车转向器是汽车的重要组成部分，也是决定汽车主动安全性的关键

总成，它的质量严重影响汽车的操纵稳定性。随着汽车工业的发展，汽车

转向器也在不断的得到改进，虽然电子转向器已开始应用，但机械式转向

器仍然广泛地被世界各国汽车及汽车零部件生产厂商所采用。而在机械式

转向器中，循环球齿条-齿扇式转向器由于其自身的特点被广泛应用于各级

各类汽车上。本文选择 GX1608A 型循环球齿条-齿扇式转向器作为研究课题

其主要内容有：汽车转向器的组成分类；转向器总成方案分析及其数据确

定和转向器的设计过程。

这种转向器的优点是，操纵轻便，磨损小，寿命长。缺点是结构复杂

成本高，转向灵敏度不如齿轮齿条式。因此逐渐被齿轮齿条式取代。但随着

动力转向的应用，循环球式转向器近年来又得到广泛使用。

关键词；转向器操纵稳定性循环球齿条-齿扇式转向器

Abstract

Gear cars an important component of the initiative is decided automobile

学士学位论文

safety of the key assembly, It seriously affected the quality of the vehicle

handling and stability. Along with the development of the auto industry,

automobile steering gear is continuously improved, although the electronic

steering gear has begun to use But mechanical steering gear is still widely been

world motor vehicles and parts manufacturers adopted. And the mechanical

steering gear, Rack cycle ball-type steering gear tooth fans as its own

characteristics has been widely used in various types vehicles. The graduation

design options GX1608A cycle gear ball-type steering gear rack as a research

topic, Its main contents are : automotive steering gear components classification;

assembly was to program analysis and data to identify and steering gear design

process.

The advantage of such steering gear, and manipulating light, wear and tear,

long life. The disadvantage is that the structure is complicated and costly, than

steering rack and pinion sensitivity. Therefore gradually being replaced by rack

and pinion. However, with the power steering applications, the ball-type steering

gear cycle and are widely used in recent years.

Keywords； Diverter Ball handling and stability Cycle rack-type steering gear

diverter

学士学位论文
摘  要.................................................................................................I
Abstract..............................................................................................II
1绪论..................................................................................................1
2汽车转向系的组成及分类..............................................................3
2.1 汽车转向系的类型和组成......................................................................3
2.1.1 机械式转向系.................................................................................................6
2.1.2 动力转向器.....................................................................................................7
2.2 转向系主要性能参数..............................................................................8
2.2.1 转向器的效率..................................................................................................8
2.2.2 传动比的变化特性.......................................................................................10
2.2.3 转向盘自由行程............................................................................................13
2.3 转向操纵机构及转向传动机构............................................................13
2.3.1 转向操纵机构................................................................................................13
2.3.2 转向传动机构................................................................................................14
3转向器总成方案分析....................................................................15
3.1 转向器设计要求....................................................................................15
3.2 转向器总成方案设计............................................................................16
4循环球式转向器主要尺寸参数的选择........................................19
5 转向器输出力矩的确定...............................................................23
6 轴的设计计算及校核...................................................................24
6.1 转向摇臂轴（即齿形齿扇轴）的设计计算........................................24
6.1.1 材料的选择....................................................................................................24
6.1.2 结构设计........................................................................................................24
6.1.3 轴的设计计算................................................................................................24
6.2 螺杆轴设计计算及主要零件的校核....................................................28
6.2.1 材料选择........................................................................................................28
6.2.2 结构设计........................................................................................................28
6.2.3 轴的设计计算................................................................................................29
6.2.4 钢球与滚道之间的接触应力校核...............................................................31
参考文献..........................................................................................33
致 谢.................................................................................................34
III

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摘要：

学士学位论文摘要汽车转向器是汽车的重要组成部分，也是决定汽车主动安全性的关键总成，它的质量严重影响汽车的操纵稳定性。随着汽车工业的发展，汽车转向器也在不断的得到改进，虽然电子转向器已开始应用，但机械式转向器仍然广泛地被世界各国汽车及汽车零部件生产厂商所采用。而在机械式转向器中，循环球齿条-齿扇式转向器由于其自身的特点被广泛应用于各级各类汽车上。本文选择GX1608A型循环球齿条-齿扇式转向器作为研究课题其主要内容有：汽车转向器的组成分类；转向器总成方案分析及其数据确定和转向器的设计过程。这种转向器的优点是，操纵轻便，磨损小，寿命长。缺点是结构复杂成本高，转向灵敏度不如齿轮齿条式。因此逐渐被齿轮...

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