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毕业设计论文校园电动车设计DESIGNOFSCHOOLELECTRICVEHICLE学生姓名学院名称专业名称指导教师20年5月27日徐州工程学院毕业设计论文I摘要校园电动车是近几年出现的一种新兴交通工具。校园电动车有着节能，环保，便捷等诸多的优点。因此本课题具有很强的现实意义和接近实际水平的设计要求，尤其是对机械设计部分和电气控制部分的设计。本毕业设计主要进行了电动车的机械部分的分析和设计，包括电动车的减速器、差速器、轴承的选择设计、各主要零部件的强度校核与计算、以及基本的机械传动部分的实现等。通过所设计好机械各部分或者整体部分的结构以及相关尺寸，利用制图软件CAD进行相关的配图的绘制以及其他零件图的绘制。根据电动车前进、后退、制动等基本控制要求，给出电动机的电气控制设计。关键词校园电动车交通工具强度校核机械传动徐州工程学院毕业设计论文IIAbstractCampuselectricvehicleistheemergenceofanewtransportinrecentyears.Campuselectriccarhasenergysaving,environmentallyfriendly,convenient,andmanyotheradvantages.Therefore,thisissuehasastrongpracticalandrealisticleveldesignrequirement,especiallythepartofdesignformechanicaldesignandelectricalcontrolpart.Thegraduationprojectismainlyfortheelectricvehicleanalysisanddesignofmechanicalparts.Includingelectricreducer,differential,bearingchoicedesign,themajorcomponentsStrengthcheckandcalculation,andbasicmechanicaltransmissionpartoftheimplementationandsoon.Designedbyagoodmechanicalpartsorthewholepartofthestructureandrelateddimensions,UsegraphicssoftwarerelatedwithCADdrawingandothercomponentdrawing.Accordingtoelectriccarsforward,reverse,brakecontrolandotherbasicrequirements,electricalmotorcontroldesigncanbegiven.Keywordscampuselectricvehiclestransportstrengthcheckmechanicaltransmission徐州工程学院毕业设计论文III目录1绪论.........................................................................................................................................11.1概述...............................................................................................................................11.2电动车的优势与发展...................................................................................................21.3本设计的主要任务.......................................................................................................32机械部分设计........................................................................................................................42.1概述...............................................................................................................................42.1.1基本要求.............................................................................................................42.1.2基本数据............................................................................................................42.2传动部分设计..............................................................................................................52.2.1减速器传动比计算.............................................................................................52.2.2齿型选择............................................................................................................62.2.3载荷计算............................................................................................................62.2.4齿轮材料选择....................................................................................................72.2.5齿轮强度计算....................................................................................................82.3差速器设计................................................................................................................122.3.1对称式圆锥行星齿轮差速器原理..................................................................122.3.2对称式圆锥行星齿轮差速器结构................................................................142.3.3差速器齿轮基本参数选择............................................................................142.3.4差速器齿轮强度计算......................................................................................172.4轴承选择与校核........................................................................................................182.4.1概述..................................................................................................................182.4.2滚动轴承类型及代号......................................................................................192.4.3滚动轴承选择..................................................................................................212.4.4滚动轴承约束设计..........................................................................................223电动车电气控制设计...........................................................................................................253.1主电路.........................................................................................................................253.1.1H型双极模式PWM控制...............................................................................253.1.2控制电路...........................................................................................................263.1.3SG3525的内部电路和参数............................................................................273.2电动车电池设计方案.................................................................................................283.2.1电池槽..............................................................................................................28结论..........................................................................................................................................29致谢..........................................................................................................................................30参考文献..................................................................................................................................31
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