1、 本科学生毕业设计 汽车驱动桥试验台的设计 系部名称： 汽车与交通工程学院 专业班级： 车辆工程 B07-2 班 学生姓名： 指导教师： 职 称： 二一一年六月 The Graduation Design for Bachelors Degree Design of Automobile Driving Axle Test-Bed I 摘 要 汽车零部件性能试验在汽车试验方面占有重要的地位，汽车上的变速器、传动轴、 驱动桥等重要部件具有结构复杂、使用条件复杂、可靠性要求高等特点，因此从产品 开发到生产装车都需要对其进行大量的试验，而且这些试验的项目和规范都已形成国 家标准并要求强制执行，以
2、确定其各种性能参数是否满足设计的要求，为汽车的生产、 销售、维修和使用者提供可靠的保障。本课题即是开发一款适合于汽车驱动桥性能试 验的装置，设计原理采用闭式功率流的原理，以达到节能、操控方便、适用性强的目 的。 文中分析了驱动桥性能闭式试验台的布置结构和工作原理，在确定了设计方案的 基础上完成了试验台传动机构的设计，并对设计的结构进行了布置合理性分析和力学 刚度、强度的校核，使得此试验台能够完成如磨合试验和齿轮磨损试验，并根据所设 计的各部分详细参数， 利用软件 AUTOCAD 绘制了试验台中传动机构的整体装配图和 传动机构的各部分零件图。 关键词：汽车驱动桥；试验台；性能试验；设计；加载机构
3、 II ABSTRACT Auto parts performance test in automotive test occupies an important position in the transmission, and cars, transmission shaft, axles and other important parts with complex structure, use condition is complex and reliability requirements higher characteristic, therefore, from product
4、development to the production of its load all need quite a lot of experiments, and the test project and has formed national standards and regulations and requirements to determine their compulsory execution, whether satisfy various performance parameters for car design requirement, the production, s
5、ales and maintenance and users provided the reliable safeguard. This topic that is development of a suitable for vehicle axles performance test device, design principles using the principle of closed power flow control, in order to achieve energy saving, convenient, and wide applicability purpose. T
6、his paper analyzes the driving axle performance test-bed closed the layout structure and working principle, in determining the basis of the design plan completed the design of test, and drive mechanism to design the structure of rationality analysis and mechanical stiffness decorate, checking intensity, make this test rig can accomplish such as driving axle ratio test, the running-in, gear wear
