4S店汽车维修专用升降机设计（全套含CAD图纸）
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编号毕业设计（论文）相关资料题目4S店汽车维修专用升降机设计信机系机械工程及自动化专业学号学生姓名指导教师目录一、毕业设计（论文）开题报告二、毕业设计（论文）外文资料翻译及原文三、学生“毕业论文（论文）计划、进度、检查及落实表”四、实习鉴定表毕业设计（论文）开题报告题目4S店汽车维修专用升降机设计信机系机械工程及自动化专业学号学生姓名指导教师课题来源经老师的介绍在工厂实习，经过几个月的亲身实践，我对汽车维修专用升降机有了一个系统的了解，因此选择了自己熟悉的产作为毕业论文的课题。科学依据（包括课题的科学意义；国内外研究概况、水平和发展趋势；应用前景等）（1）课题科学意义随着汽车使用量的迅速增加，社会对汽车维修工具和设备的工作效率也越来越高。由此原因，设计一种维修设备，它可根据汽车维修部位的不同而随时调整汽车的位置，方便维修，减轻维修人员的劳动负荷从而提高工作效率，就成为必然需要。具有结构紧凑，占地面积小，安装和拆卸操作方便，故障率低，常见故障易处理，维护方便等优点的汽车升降机，就可以满足汽车维修对提高工作效率的要求。本次毕业设计的题目来源于生产第一线，所设计的产品具有实用价值，已经有成熟产品生产。我们可以参考现有产品做出的改进设计，使产品机构更合理、更实用、更可靠。（2）汽车升降机的研究状况及其发展前景我国每年升降平台市场成交额高达500亿元左右，但其中却有100多亿元的市场被国外升降平台企业占领。要改变这种现状，提高升降平台质量是关键。升降平台在机械产品中占有相当大的比重。据国外工业发达国家统计，升降平台的产值是压缩机、风机和泵三者的总和，约占整个机械工业产值的5。同时，作为重大技术装备的重要组成部分，尤其是在电力、石化、冶金、城市供排水系统中，升降平台更是起着关键作用，而且用量非常大。目前，我国升降平台企业约6000余家，其中年产值超过500万元的有900家。国内上市的升降平台公司3家，即中核科技、洪城股份、广东明珠。去年，中核科技主营业务收入235亿元，洪城股份主营业务收入146亿元，广东明珠主营业务收入15亿元。这些企业，无论是其规模，还是产品质量，目前都无法与国外同类企业抗衡。目前，国内外升降平台的发展趋势主要有以下五个方面（1）升降平台的全球化趋势（2）以跨国公司为主导，产业链细分的趋势（3）以科技中心控制升降平台中心的新趋势（4）升降平台的信息化、虚拟化趋势（5）升降平台的绿色化趋势向环保化或绿色化方向发展研究内容气液动剪叉式升降平台具有制造容易、价格低廉、坚实耐用、便于维修保养等特点。在民航、交通运输、冶金、汽车制造等行业逐渐得到广泛应用。通过对汽车专用升降平台的技术参数，结合具体实例，对机构中两种液压缸布置方式分析比较，并根据要求对液压传动系统个部分进行设计计算最终确定液压执行元件液压缸，通过对叉杆的各项受力分析确定台板与叉杆的载荷要求，最终完成汽车专用升降平机的设计要求。拟采取的研究方法、技术路线、实验方案及可行性分析研究的内容（1）举升机台板降到下位时，与地面应尽可能在同一平面上。为此，在保证强度和刚度的前提下，应尽可能降低举升机台板和横梁的高度。在条件许可时，举升机台板（或横梁）应选择专用型钢或用钢板拆弯成形。（2）正确选择传动方式。采用机械传动（螺母、螺杆）或液压传动（油缸），均用电动机驱动。机械传动的成本较高，耗能较多，但安全性较好。（3）丝绳的选择。为了减少滑轮直径从而缩小寄生机立柱的断面尺寸，应该选用高柔度的钢丝绳。钢丝绳应有较高的安全系数，一般应达8。为此，应增加钢丝绳钢丝的数目。这样，不仅价格便宜，还能减轻钢丝绳的磨损，延长其使用寿命。研究计划及预期成果研究计划2012年11月12日2012年12月2日按照任务书要求查阅论文相关参考资料，填写毕业设计开题报告书。2012年12月3日2013年3月1日填写毕业实习报告。2013年3月4日2013年3月14日按照要求修改毕业设计开题报告。2013年3月15日2013年3月21日学习并翻译一篇与毕业设计相关的英文材料。2013年3月22日2013年4月11日4S店汽车维修专用升降机正文设计。2013年4月12日2013年4月25日绘制装配图和零件图。2013年4月26日2013年5月20日毕业论文撰写和修改工作。预期成果通过不同方案的比较，以及考虑不同因素的影响，最后确定合理的升降机设计方案，该方案能最大限度的满足使用要求。特色或创新之处（1）对本厂的几种升降机结构对比，分析优劣。（2）充分考虑使用环境及使用成本。（3）采用固定某些参量、改变某些参量来研究问题的方法，思路清晰，简洁明了，行之有效。已具备的条件和尚需解决的问题（1）实验方案思路已经非常明确，已经具备使用CAD制图的能力和图像处理方面的知识。（2）理论设计的能力尚需加强。（3）学校收藏了相关资料，网络工具灵活运用。指导教师意见指导教师签名年月日教研室（学科组、研究所）意见教研室主任签名年月日系意见主管领导签名年月日HYDRAULICSYSTEMCHAPTER1INTRODUCTIONHYDRAULICPUMPSTATIONALSOKNOWNASTHESTATIONSAREINDEPENDENTHYDRAULICDEVICEITREQUESTEDBYTHEOILGRADUALLYANDCONTROLLINGTHEHYDRAULICOILFLOWDIRECTION,PRESSUREANDFLOWRATE,APPLIEDTOTHEMAINFRAMEANDHYDRAULICDEVICESSEPARABILITYOFHYDRAULICMACHINERYUSERSWILLBEPROVIDEDAFTERTHEPURCHASEHYDRAULICSTATIONANDHOSTOFIMPLEMENTINGAGENCIESMOTOROILORFUELTANKSCONNECTEDWITHTUBING,HYDRAULICMACHINERYCANBEREALIZEDFROMTHESEMOVEMENTSANDTHEWORKCYCLEHYDRAULICPUMPSTATIONISINSTALLED,MANIFOLDORVALVECOMBINATION,TANKS,ACOMBINATIONOFELECTRICALBOXESFUNCTIONALCOMPONENTSPUMPDEVICEISEQUIPPEDWITHMOTORSANDPUMPS,HYDRAULICSTATIONISTHESOURCEOFPOWERTOMECHANICALENERGYINTOHYDRAULICOILPRESSURECANBEMANIFOLDFROMHYDRAULICVALVEBODYANDCHANNELASSEMBLEDRIGHTDIRECTIONFORIMPLEMENTATIONOFHYDRAULICOIL,PRESSUREANDFLOWCONTROLVALVEPORTFOLIOPLATEVALVEISINSTALLEDINUPBOARDAFTERBOARDCONNECTSWITHTHESAMEFUNCTIONALICTANKPLATEWELDINGSEMICLOSEDCONTAINERS,ALSOLOADEDWITHOILFILTERINGNETWORK,AIRFILTERS,USEDOIL,OILFILTERSANDCOOLINGELECTRICALBOXESATTHETWOPATTERNSASETOFEXTERNALFUSETERMINALPLATEDISTRIBUTIONOFAFULLRANGEOFELECTRICALCONTROLHYDRAULICSTATIONPRINCIPLEMOTORDRIVENPUMPROTATION,WHICHPUMPOILABSORPTIONFROMTHEOILTANKTOMECHANICALENERGYINTOHYDRAULICPRESSURETOTHESTATION,HYDRAULICOILTHROUGHMANIFOLDORVALVECOMBINATIONSREALIZEDTHEDIRECTION,PRESSURE,AFTERADJUSTINGFLOWPIPEANDEXTERNALTOTHECYLINDERHYDRAULICMACHINERYORMOTOROIL,SOASTOCONTROLTHEDIRECTIONOFTHEMOTIVEFLUIDTRANSFORMATIONFORCETHESIZEANDSPEEDTHEPACEOFPROMOTINGTHEVARIOUSACTINGHYDRAULICMACHINERY11ADEVELOPMENTCOURSECHINAHYDRAULICINCLUDINGHYDRAULIC,THESAMEBELOW,PNEUMATICANDSEALSINDUSTRIALDEVELOPMENTPROCESSCANBEBROADLYDIVIDEDINTOTHREEPHASES,NAMELY20EARLY1950STOTHEEARLY1960S,THEINITIALSTAGE60SAND70FORSPECIALIZEDPRODUCTIONSYSTEM8090SGROWTHSTAGEFORTHERAPIDDEVELOPMENTSTAGEWHICH,HYDRAULICINDUSTRYINTHEEARLY1950SFROMTHEMACHINETOOLINDUSTRYPRODUCTIONOFFAKESUGRINDER,BROACHINGMACHINE,COPYINGLATHE,ANDOTHERHYDRAULICDRIVESTARTED,HYDRAULICCOMPONENTSFROMTHEPLANTHYDRAULICMACHINESHOP,SELFOCCUPIEDAFTERENTERINGTHE1960S,THEAPPLICATIONOFHYDRAULICTECHNOLOGYFROMTHEMACHINEGRADUALLYEXTENDEDTOTHEAGRICULTURALMACHINERYANDMECHANICALENGINEERINGFIELDS,ATTACHEDTOTHEORIGINALVELOCITYOFHYDRAULICSHOPSOMESTANDOUTASPIECESOFHYDRAULICPROFESSIONALPRODUCTIONTOTHELATE1960S,EARLY1970S,WITHTHEDEVELOPMENTOFMECHANIZEDPRODUCTION,ESPECIALLYINTHESECONDAUTOMOBILEFACTORYINPROVIDINGEFFICIENT,AUTOMATEDEQUIPMENT,ALONGWITHTHEHYDRAULICCOMPONENTSMANUFACTURINGHASEXPERIENCEDRAPIDDEVELOPMENTOFTHESITUATION,AGROUPOFSMESHAVEBECOMEPROFESSIONALHYDRAULICPARTSFACTORY1968CHINASANNUALOUTPUTOFHYDRAULICCOMPONENTSHAVENEARLY200,000IN1973,MACHINETOOLS,AGRICULTURALMACHINERY,MECHANICALENGINEERINGINDUSTRIES,THEPRODUCTIONOFHYDRAULICPARTSFACTORYHASBEENTHEPROFESSIONALDEVELOPMENTOFMORETHAN100ANDANANNUALOUTPUTMORETHANONEMILLIONANINDEPENDENTHYDRAULICMANUFACTURINGINDUSTRYHASBEGUNTOTAKESHAPETHEN,HYDRAULICPIECESOFFAKEPRODUCTSFROMTHESOVIETUNIONFORTHEINTRODUCTIONOFTHEPRODUCTD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