剪式汽车举升机的设计.doc

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1、毕业设计报告(论文)报告(论文)题目：剪式汽车举升机设计摘要双铰接剪叉式举升机的设计是在原由的剪叉式升降台的基础上，运用现在的灵活性、安全性、经济性等指标；结构以能够满足灵活性要求较高的汽车维修需要为前提,通过不同型号和响应达到满足物流、汽车维修等性能要求。通过对双铰接剪叉式举升机机构位置参数和动力参数的技术，结合具体实例，对机构中良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，最终完成剪叉式液压升降台的设

2、计要求。关键词：举升机剪叉式液压AbstractDouble-hingedscissorsliftsinthedesignofthepreviouslyscissorsliftsonthebasisofthepresentapplicationflexibility,security,economicandotherindicators,structuralflexibilitytomeethigherrequirementsofvehiclemaintenancetheneedforpremise,and

3、theresponsebydifferentmodelstomeetFujianlogistics,vehiclemaintenance,andotherperformancerequirements.Throughthedouble-hingedscissorsliftsPositionparameterandthedynamicparametersoftechnology,combinedwithspecificexamples,theagencyimprovedinthehydrauliccylind

4、erlayoutanalysisandcomparison,andinaccordancewiththerequirementsofpartofahydraulicsystemdesignandcalculationoffinalPressureimplementationcomponents-hydrauliccylinder,throughanalysisofthefork-definedplateandfork-loadrequirements,thefinalcompletionofscissors

5、hydraulicliftsthedesignrequirements.KeyWords：CageassemblyScissorsforksaredyadicHydraulicpressure目录摘要·····································································Ⅰabstract··································································Ⅱ第一章绪论······

6、··················································11.1举升机的发展简史·····················································11.2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··

7、·····································31.3.2使用维护方面的安全保证措施·······································4第二章举升机机械部分受力分析·····································52.1剪叉式升降平台的三种结构形式·······································52.2双铰接剪叉式升降平台机构的位置参数计算···························62

8、.3双铰接剪叉式升降平台机构的动力参数计算···························82.4剪叉式升降平台机构设计时应注意的问题······························92.5双铰接剪叉式升降平台机构中两种液压缸布置方式的分析比较·········92.5.1问题的提出：······················································10