双层四轮定位汽车举升机设计-设计说明书11

双层四轮定位汽车举升机设计有CAD图纸摘要本文通过对我国汽车举升机现状的调查、研究、分析，参考国内外解决举升机安全与稳定性问题的解决措施，对几种举升机进行了分析，并结合我国举升机存在的实际情况，提出了适合我国汽车修理行业的双层四轮定位汽车举升机设计方案。本文首先阐述了双层四轮定位汽车举升机设计的目的和意义、发展状况以及应用前景。分析论证了一种举升承载质量为3.5t的双层四轮定位汽车举升机总体设计方案，进行了举升机构的机械系统、液压系统等主要机构的方案分析和选择，并对机械部分进行了运动分析以及强度和刚度的校核计算，对液压系统进行了设计和计算。本课题基于计算机仿真平台，应用当前CAD/CAE领域比较广泛二维软件AutoCAD、三维软件Pro/E、有限元软件ANSYS及动态仿真软件ADAMS，进行了汽车举升机二维结构设计、三维实体建模、举升机强度、刚度、稳定性及动态特性等方面的计算机仿真研究与分析。本设计、研究与分析可以代替举升机物理样机的前期试验，为我国汽车举升机产品设计、技术开发方面提供更多的理论参考，进一步提高国产汽车举升机的稳定性和可靠性，提高产品的市场竞争力。关键词：双层四轮定位举升机；二维结构设计；三维建模；有限元；动态仿真ABSTRACTInthispassage，throughthestatusquoofChina'sautomotiveliftinvestigation,research,analysis,refertotheliftathomeandabroadofthesolutionstoresolvetheissueofsecurityandstability,andcarryoutseveralliftanalysis,combinedwiththeexistenceactualsituationofourlift,putforwardDoubleWheelAlignmentvehicleliftdesignforChina'sautorepairindustry,.Thispassagedescribedthepurposeandsignificance,developmentandapplicationprospectsoftheDoubleWheelAlignmentvehicleliftfordesign.Analysisdemonstratedthatthequalityofa3.5tloadliftingtheDoubleWheelAlignmentcarlifdesignprogram,aliftingmechanismofthemechanicalsystem,hydraulicsystem,electricalsystemandothermajorinstitutionsofprogramanalysisandselection,andmechanicalpartsofthemotionanalysis,aswellasstrengthandstiffnessofthecalculationofthecalibrationofthehydraulicsystemandelectricalsystemdesignandcalculation.Thesubjectofcomputer-basedsimulationplatform,theapplicationofcurrentCAD/CAEbroaderfieldofapplicationoftwo-dimensionalsoftware,AutoCAD,three-dimensionalsoftwarePro/E,thefiniteelementsoftwareANSYSanddynamicsimulationsoftwareADAMS,two-dimensionaldrawingsforthedesignofcarlift,three-dimensionalSolidModeling,liftthestrength,stiffness,stabilityanddynamiccharacteristicsofsuchareasasresearchandanalysisofcomputersimulation,canreplacetheliftofthepre-physicalprototypetesting,carliftforourproductdesign,technologydevelopmenttheorytoprovidemoreinformationtofurtherimproveChina-madeautoliftstabilityandreliability,andincreasemarketcompetitiveness.Keywords:DoubleWheelPositioningVehicleLift;VirtualPrototypingTechnology;Three-dimensionalDesign；FiniteElement；DynamicSimulation目录摘要········································································································································································IAbstract·······························································································································································II第1章绪论····················································································································································11.1选择背景、研究目的及意义·············································································································11.2国内外研究现状····································································································································11.2.1举升机的发展历史························································································································11.2.2国内外研究现状······························································································································21.2汽车举升机的设计特点······················································································································21.3汽车举升机的安全保证措施············································································································31.3.1设计制造方面的安全保证措施································································································31.3.2使用维护方面的安全保证措施································································································31.3研究内容及研究方法····························································································································41.3.1研究内容···········································································································································41.3.2研究方法···········································································································································5第2章举升机总体结构设计··········································································································62.1举升机结构确定····································································································································62.1.1举升机整体结构形式及基本组成···························································································62.1.2举升机各零部件之间的连接关系···························································································72.2确定剪刀式举升机的各结构尺寸···································································································72.2.1建立轿车模型·································································································································72.2.2剪刀式举升机主要结构尺寸确定···························································································82.3举升机在地面上安装尺寸···············································