本科毕业设计(论文)题目/ 无人智能车的车用轮边减速器设计与分析院 (系)：机电工程学院 专 业：机械设计制造及其自动化班 级：学 生：学 号：指导教师：2017年06月无人智能车的车用轮边减速器设计与分析摘要如今随着汽车产业的高速发展，全球汽车总保有量直线上升，当然，环境污染、能源短缺这些问题也凸显出来。石油的供给量面临着巨大的挑战，汽车产业的发展面临严峻的挑战。而新能源的发现与采用，能真正实现“零排放”，即电能驱动，所以该领域也是各国生产研发的焦点。轮边减速器的引入，作为与电动汽车相匹配的部件，其能够在传动比不变的条件下，省去差速器这一部分，增加了底盘可布置空间以及离地间隙，提升可通过性，并减少半轴等部件的载荷，目前该减速器主要应用于载重货车及一些大型工程车辆。轮边减速器的使用与研究，对实际工作有重要意义。本文研究无人智能车轮边减速器，该减速器的结构为渐开线圆柱齿轮行星传动，齿圈固定，太阳轮为输入端，行星架为输出端。本次设计将使用pro/E建立三维模型，对轮边减速器的内部结构进行优化设计，并进行应力分析和动态仿真，通过强度校核增加减速器本身的强度，并对减速器的布置与连接进行了优化设计。关键词：轮边减速器，三维模型，分析与仿真全套图纸加扣 3012250582Design and Analysis of Wheel Side Reducer for Unmanned Intelligent VehicleAbstractNow with the rapid development of the automotive industry/ the global total number of car ownership increased/ followed by pollution/ energy shortages and other issues become increasingly prominent/ The growing oil crisis and peoples awareness of environmental protection/ the development of the automotive industry has made a very serious challenge/ Electric power for the use of electric vehicles as a driving device can really achieve zero emissions/ thus becoming the focus of national automotive research and development/Wheel speed reducer as the last stage of the drive train to reduce the torsion device/ which can be in the transmission ratio of the same conditions/ eliminating the differential mechanical structure/ Increases the chassiss other deployable space as well as the ground clearance/ improves the passingability/ and reduces the load on the transmission/ drive shaft/ axle/ etc/the design is widely used in truck trucks/ off-road vehicles and some large mining vehicles/ The use and research of wheel reducer is of great significance to practical work/This paper studies unmanned intelligent wheel reducer/ which generally uses involute cylindrical gear planetary transmission/the sun gear is the input end/ the inner ring gear is fixed and the planet carrier is the output end/In this paper/ the internal structure of the wheel reducer is designed by the three-dimensional model of the wheel reducer/ and the stress analysis and dynamic simulation are carried out/ The strength of the reducer itself is increased by the intensity check/ and the layout and connection of the gear unit are optimized/Key words/ Wheel reducer/ Three - dimensional Model/ Analysis and simulatiII目录摘要IAbstractII1 绪论11/1研究背景11/2国内外相关研究状况21/2/1国外相关研究状况21/2/2国内相关研究状况31/3研究目的与内容51/3/1研究目的51/3/2研究内容51/3/3研究的意义51/3/4小结52轮边减速器、车架总体方案设计及三维建模62/1其工作原理及存在的问题62/1/1工作原理62/1/2轮边减速器存在的问题72/2方案设计及选型82/2/1传动方式的选型82/2/2齿轮结构设计102/3小结103轮边减速器传动设计计算113/1传动装置总体设计113/1/1选择电机113/1/2传动配齿计算123/2太阳轮设计计算133/2/1按齿面接触疲劳强度设计133/2/2齿面接触疲劳强度校核143/2/3齿根弯曲疲劳强度校核153/3行星轮及齿圈计算173/3/1行星轮参数173/3/2内齿圈参数173/3/3行星轮、内齿圈校核173/4行星架设计183/4/1行星架结构183/4/2行星架近似计算183/5输入轴，行星轴的设计校核及轴承选用213/5/1输入轴设计校核213/5/2行星轮轴设计校核243/5/3轴承选用及校核263/6车架及其他零部件的设计274整车模拟三维装配294/1三维零件图294/2三维装配图335机械结构静力分析仿真365/1轮边减速器关键零部件静态分析365/1/1输入轴分析365/1/2输出轴分析375/1/3行星架上部分析385/1/4行星架下部分析395/1/5太阳齿轮分析395/1/6行星齿轮轴分析405/1/7汽车轮毂分析416方案可行性分析426/1合理性分
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