无碳小车设计说明书

南京工程学院本科毕业设计（论文）题目：无碳小车设计专业：车辆工程（汽车技术）班级：汽车技术112学号：215110212学生姓名：贾理想指导教师：贺曙新副教授起止日期：2015.03.02～2015.06.12设计地点：工程实践中心GraduationDesign(Thesis)Carbon-freeCarsByJIALixiangSupervisedbyAssociateProfHEShuxinNanjingInstituteofTechnologyJune,2015南京工程学院本科毕业设计（论文）I摘要随着全球经济的飞速发展，环境问题也愈发明显，传统能源也面临逐渐衰竭危险。汽车的保有量也在逐年递增，普及率也在递增。但是，能源的枯竭却成为汽车普及的障碍。新能源汽车逐渐成为21世纪的汽车的发展方向。无碳小车的研制，具有经济、环保、便利等优点，有助于我们找到更为环保绿色的能源，更为有利的能量转化途径，以及更好地提高能量利用效率的方法。它将对传统能源的取代有重大的意义。针对题目要求，采用理论与实践结合的方法，秉承理论指导实践的理念。采用简单的曲柄连杆机构原理来实现转向。运用MATLAB软件对小车行驶路线规划，建立数学模型，并求解轨迹关键点，进而精确设计小车零件的尺寸。运用UG软件建立小车零件三维图并进行虚拟装配，运用AutoCAD绘制零件图和装配图。最后，完成零件的加工和小车的装配。经过多次的调试，对小车零件尺寸进行适当的修改，以完善小车结构。关键词：无碳小车；曲柄连杆；参数化设计南京工程学院本科毕业设计（论文）IIABSTRACTWiththerapiddevelopmentofglobaleconomy,theenvironmentproblemisincreasinglyobvious,andthetraditionalenergyalsofacesthedangerofgradualfailure.Carownershiphasincreased,andcoverageinincrements.However,depletionofenergyisanobstacletothepopularizationofcars.Newenergyautomobilesbecamethedevelopmentdirectionoftheautomobileofthe21stcentury.Developmentofacarbon-freecariseconomical,environmentallyfriendlyandconvenientandsoon,whichwillhelpusfindakindofmoreenvironmentally-friendlygreenenergy,enablingenergyconversion,aswellasmethodsofimprovingtheefficiencyofenergyusing.Itisofgreatsignificancetoreplacetraditionalenergy.Asked,usingthemethodofthecombinationoftheorywithpracticeandtheconceptoftheorytopractice.TheSteeringSystemusescrank-connectingrodmechanismwhichisverysimple.Toplanthecartravelroute,establishthemathematicalmodelandsolvethetrackkeypointsusetheMATLAB,whichisusedforprecisedesignofcarpartsfinally.ThecarpartsandvirtualassemblyaredrewwiththeUG,andthedetaildrawingandassemblydrawingwiththeAutoCAD.Finally,thepartsaremachinedandthenassembleintothecar.Aftermanydebugging,thesizesofthecarpartsaremodifiedtoimprovethestructureofthecar.Keywords:Carbon-freeCars;CrankConnectingRod;ParametricDesign南京工程学院本科毕业设计（论文）III目录第一章绪论............................................................................................11.1国内的研究现状及发展趋势............................................................................11.2课题研究目的及意义........................................................................................31.3课题研究内容....................................................................................................31.4本课题拟采用的研究手段................................................................................4第二章无碳小车设计..............................................................................62.1任务分析............................................................................................................62.2无碳小车总体方案设计....................................................................................42.3车身设计............................................................................................................92.4原动机构的设计................................................................................................92.4.1滑轮的设计.............................................................................................92.4.2绕绳轮的设计.......................................................................................102.4.3重物支撑架的设计...............................................................................112.5导向机构的设计.............................................................................................112.6传动机构的设计.............................................................................................142.7行走机构的设计.............................................................................................152.8微调机构的分析和选择.................................................................................162.9无碳小车的总体设计.....................................................................................16第三章无碳小车技术设计....................................................................173.1建立数学模型及参数确定..............................................................................173.1.1能耗规律模型.......................................................................................173.1.2转向系统数学模型...............................................................................193.1.3部分零件主要参数...............................................................................223.2其它零件的设计..............................................................................................223.2.1支架设计...............................................................................................223.2.2后轮设计...............................................................................................233.2.3主动轮和从动轮轴设计.......................................................................23第四章无碳小车三维制作与仿真.......................................................254.1无碳小车三维模型绘制..................................................................................254.2无碳小车运动仿真..........................................................................................264.2.1无碳小车模型简化和运动副的添加...................................................26南京工程学院本科毕业设计（论文）IV4.2.2无碳小车运动仿真结果分析................................