货车主减速器设计标题.docVIP

阴山农业职业技术学院 毕业论文（设计） 课题名称 货车主减速器设计 专业及班级 学号 姓名 指导老师 2014 年 4 月 16 日 货车主减速器设计摘要 驱动桥作为汽车四大总成之一，它的性能的好坏直接影响整车性能，而对于商用货车显得尤为重要。当采用大功率发动机输出大的转矩以满足目前载重汽车的快速、重载的高效率、高效益的需要时，必须要搭配一个高效、可靠的驱动桥。所以采用传动效率高的单级减速驱动桥已成为未来商用汽车的发展方向。本文参照传统驱动桥的设计方法进行了商用货车主减速器的设计。首先确定主要部件的结构型式和主要设计参数；然后参考类似驱动桥的结构，确定出总体设计方案；最后对主，从动锥齿轮，及对支承轴承进行了寿命校核。本文是采用传统的双曲面弧齿锥齿轮作为商用货车的主减速器。 关键词：主减速器；驱动桥；商用汽车；双曲面弧齿锥齿轮 Commercial cargo owner gear reducer design Abstract Drive axle as one of the four big assembly car, its quality directly affects the performance of vehicle performance, and for the commercial truck is particularly important. When using high power engine output large torque in order to meet the current overloaded truck quickly, high efficiency, high benefit need, must match a highly efficient and reliable drive axle. So the transmission efficiency of single reduction drive axle has become the future development direction of commercial vehicles. In this paper, with reference to the traditional design method of the drive axle of commercial cargo owners reducer design. First the structure and main design parameters of main components; Then drive axle of reference for the similar structure, determine the overall design; Finally, the main, driven bevel gear, and on the bearing life. This article is to use the traditional hyperboloid arc tooth wimble gear as main reducer of commercial vans. Key words: the main reducer; Drive axle; Commercial vehicles; Hyperboloid arc tooth wimble gear   目录 第1章 绪论……………………………………………………………………………….….1 第2章 主减速器的作用………………………………………………………......................1 第3章 主减速器结构方案分析……………………………………………………………..2 3.1 主减速器的齿轮类型………………………………………………………………2 3.1.1 弧齿锥齿轮传动…………………………………………………………….2 3.1.2 双曲面齿轮传动…………………………………………………………….3 3.1.3 圆柱齿轮传动……………………………………………………………….5 3.1.4 蜗杆传动…………………………………………………………………….6 3.2 主减速器的减速形式………………………………………………………………6 3.2.1 单级主减速器……………………………………………………………….7 3.2.2 双级主减速器……………………………………………………………….7 3.2.3 双速主减速器………………………………………………