平顶山工业职业技术学院毕业设计说明书（论文）

摘 要

随着汽车工业的高速发展，我国汽车拥有量越来越多，高速公路里程越来越长，汽车速度越来越高，在这种新形势下，对汽车轮胎的各项性能也提高了要求，以便使汽车的行驶舒适性、安全性得到人们的认同，同时也令轮胎的经济性更容易让人接受。

21世纪是以高科技为中心的环保世纪，世界各大轮胎公司投入巨资，不断开发新产品、新技术，企业间的竞争已由传统的产品竞争转化为科技实力的较量，也就是创新能力的竞争，这已成为企业发展的主要动力。只有依靠产品创新、技术创新，才能在激烈的竞争中抢先占据科技制高点，并推动着世界轮胎的技术进步。

从整体发展史看，轮胎的发展与国家的整体国民经济、汽车工业、道路乃至政策、法规有密切相关。子午线轮胎已是轮胎工业的主流产品，世界轮胎子午化率已达90%，发达国家已达到或接近100%；在我国子午线轮胎仍处于逐步取代斜交胎的发展期，成为新兴产业。子午线轮胎因结构科学合理，使受力改善，比斜线轮胎具有许多优良的性能。

本文介绍了子午线轮胎在我国的发展历程和发展方向，并对子午线轮胎的结构组成和其优越性进行了研究分析，并独立完成了对轿车子午线轮胎的设计。

关 键 词：子午线轮胎，扁平化，无内胎化，带束层，帘布线，轮胎花纹

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平顶山工业职业技术学院毕业设计说明书（论文） ABSTRACT

With the rapid development of the automotive industry, car ownership in China is more and more highway mileage is getting longer and longer, more and more high-speed car, car tires also improve the performance of the requirements in this new situation, , in order to get people's identity, the car's ride comfort, safety tires also make the economy more easily acceptable.

The 21st century is a high-tech center of environmental century, the world's major tire companies invested heavily, and constantly develop new products, new technologies, competition among enterprises has been the traditional product competition into the contest of scientific and technological strength is the ability to innovatethe competition, which has become the main driving force for the development of enterprises. Only rely on product innovation, technological innovation can be the first to occupy the technological high ground in the fierce competition, and to promote the technical progress of the world tire.

From the whole history of the development of the tire development is closely related to the country's overall national economy, the automotive industry, roads and even policy and regulations. Radial tire is the tire industry's mainstream products, world radialization rate has reached 90%, developed countries have reached or are close to 100%; radial tires in China is still in the development period, gradually replace bias tires and emerging industries. Radial tires scientific and reasonable structure, so that the force has many excellent performance improvement than slash tires.

This article describes the radial tire in the history and development direction of China's development, and the structure and composition of the radial tire and its superiority to the research and analysis, and independently completed the design of passenger car radial tires.

KEY WORDS: radial ply tyre, the flattening, the tubeless type,belted layer, the curtain wiring, the tire tread

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平顶山工业职业技术学院毕业设计说明书（论文）

目 录

摘 要 ..................................................... I ABSTRACT .................................................. II 第一章 绪论 ................................................ 1 第2章 我国子午线轮胎的发展历史与前景 ..................... 1

2.1我国子午线轮胎的发展历史 .................................................................................... 1 2.2子午线轮胎的发展方向 ............................................................................................ 3 2.2.1扁平化 ................................................................................................................. 3 2.2.2无内胎化的优点 ................................................................................................. 5

第3章 子午线轮胎的结构特征 ............................... 9

3.1子午线轮胎的分类 .................................................................................................. 10 3.2子午线轮胎的结构 .................................................................................................. 10 3.2.1载重子午线轮胎的结构 ................................................................................... 10 图3-3子午线胎的结构与刚性对比图 ........................................................................ 12 3.2．3子午线轮胎结构特点 .................................................................................... 12 1.子午线胎的变形特点 ............................................................................................. 12 3.2.3轿车子午线轮胎的结构 ................................................................................... 13 3.3子午线轮胎与斜交胎结构的差异 .......................................................................... 14 3.4子午线轮胎的性能 .................................................................................................. 16 4.1子午线轮胎骨架材料的性能 .................................................................................. 19 4.2子午线轮胎骨架材料的分类 .................................................................................. 20

第五章 轿车子午线轮胎结构的设计 ......................... 21

5.1轿车子午线轮胎负荷的计算 .................................................................................. 21 5.2轿车子午线轮胎断面轮廓的设计特点 .................................................................. 22 5.2.1子午胎外直径D和断面宽B的确定 ................................................................. 22 5.2.2子午线轮胎断面最宽点半径(水平轴)的确定 ................................................ 23 5.2.3 胎圈间距的选取 胎圈间距C一般选用与轮辋宽相等,或选用小于轮辋宽度,但不超过15~25mm.据文献介绍C小于轮辋宽度可提高轮胎耐磨性,并增大侧向刚性,胎圈间距C与断面宽B之比C/B轿车胎为0.7~0.8,载重胎为0.7~0.75。 5.2.4 断面高与断面宽之比H/B ................................................................ 23

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平顶山工业职业技术学院毕业设计说明书（论文） 5.2.5

轮胎行驶面弧度与宽度的确定 ............................................................ 24

5.3轿车子午线轮胎带束层的设计 .............................................................................. 25 5.3.1 带束层结构形式的类型 .................................................................................. 25 5.3.2

轿车子午线轮胎带束层层数、角度、密度 ........................................ 26

5.4轿车子午胎胎体帘线的选择 .................................................................................. 26 5.5轿车子午胎胎圈结构 .............................................................................................. 27 5.6轿车子午胎胎面花纹的设计 .................................................................................. 28 5.6.1轮胎花纹的作用 ............................................................................................... 28 5.6.2 轿车子午线轮胎胎面花纹 .............................................................................. 28 5.6.3 轿车子午胎胎肩花纹的设计 ........................................................................ 31 5.6.4 子午胎花纹沟深度、够宽、角度、形状的设计 ......................................... 31

第六章 总结 .............................................. 33 参考文献 .................................................. 34 致谢 ...................................................... 35

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