1、 摘要摘要 半轴是变速箱减速器与驱动轮之间传递扭矩的轴，是汽车传递转矩的关键 部件。半轴的疲劳强度和汽车安全行驶是紧密相关的。所以半轴的道路模拟试验 装置是检测汽车半轴的必要手段， 本课题的目的是为了设计出一款适用于半轴的 道路模拟装置。 本次课题设计出一台能准确模拟出半轴实际工况下的载荷（扭矩与振动）来 进行半轴的耐久性试验，在满足试验目的前提下，半轴道路模拟试验装置应具有 信号产生系统，电控系统，伺服控制系统，机械执行系统，动力供给系统。本次 课题主要设计半轴道路模拟实验装置的动力供给系统和机械执行系统。 本课题主 要进行机械结构进行设计。 通过查阅资料，了解国内外现状，对比现有的模拟试验
2、试验装置和半轴静 扭试验台，确定设计方案，通过设计方案草图，确定设计流程。本次设计包括： 非标准件的设计，标准部件的选取，建立试验装置的三维模型，绘出二维整体布 置图及其零件图。 关键词：道路模拟 载荷 实验装置 半轴 耐久性 Abstract Axle is a axis for transmission torque between main retarder and driving wheel.it is the key components of automobile transmission torque. safe driving is closely related The st
3、rength of Axle fatigue .So axle road simulation test device for detecting vehicle axle means necessary,The aim of this project is to design a suitable axle road simulation apparatus. The project to design a machine capable of accurately simulate the actual conditions of the axle loads（torque and vib
4、ration）for axle durability test.To replace the traditional static axle torsion test bench. Premise to meet the test purposes, axle road simulation test device shall have the signal producing system, electric control system, servo control systems, mechanical execution system, power supply system. The
5、 main topic axle road simulation experimental device designed power supply system and the mechanical execution system. Through access to information, to understand current situation at home and abroad, compared to existing simulation test apparatus and the static axle torsion test bench, to determin
6、e design, through design sketches, determine the design process. The design includes: the design of non-standard parts, standard parts selection, three-dimensional model to establish the test device, draw two-dimensional general arrangement drawings and part drawings. Keywords： Road simulation Load Test Equipment Axle Durability. 目录 摘要 Abstract 1 绪论 1 1.1 课题研究的目的及其意
