Optimum Design of the Hydraulic Excavator’s Working Device Based on ADAMS

《Optimum Design of the Hydraulic Excavator’s Working Device Based on ADAMS》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、学术会议英语A3班专业：机械工程OptimumDesignoftheHydraulicExcavator’sWorkingDeviceBasedonADAMSXuDan摘要：挖掘机工作装置设计是否合理直接影响装载机作业效率、使用寿命及操作人员舒适性和视野。挖掘机工作装置优化设计的约束条件多，结构复杂，用虚拟样机软件ADAMS可以很好地对装载机工作装置进行优化设计。因此，本文以典型的装载机工作装置机构—反转四连杆机构为例，对挖掘机工作装置机构的各杆的位置和方向对机构各项参数的影响进行了定性分析。在ADAMS中

2、建立和参数化挖掘机模型后以驱动液压缸驱动力最小为目标函数以各设计要求为约束进行运动学和动力学仿真和优化，减小了液压缸的最大驱动力，得到最优的驱动力。关键词：ADAMS，挖掘机工作装置，仿真，优化Abstract:Inthispaper,firstavirtualprototypeofhydraulicexcavator’sworkingdevicemodelisbuilt.Thenaqualitativeanalysisontheworkingdeviceaboutthemechanismismade,wh

3、ichshowshowtoaffectthekinematicalanddynamicalcharacteristicsofeachlink’slocationanddirection.Atlast,wemakeadynamicalsimulationandoptimizationonthevirtualmodelbyusingtheADAMSsoftware.Theresultsindicatethatthedrivingforcehasbeenoptimized.Keywords:ADAMS;worki

4、ngdeviceofexcavator;simulation;optimization1IntroductionHydraulicexcavatoriswidelyusedinagriculture，constructiontrafficandsomeotherindustries(LvChao,2010:03).Itplaysanimportantroleinimprovingtheworkefficiencyandreducingtheworkers’burden.Theworkingdeviceist

5、hedirectassignmentsectionofanexcavator.Itsperformanceandreliabilitywilldirectlyaffectthewholemachine’sperformance.Therefore,itistheresearchanddevelopmentfoundationofthewholemachinecontroltostudyontheworkingdevice.Theoptimizationoftheworkingdevicecanmakethe

6、wholemachine’diggingcapacityraiseandlengthentheusingtime.Virtualprototypetechnology(ZhenJianrong,2002:65-97)canshortenthecycleofdesign，reducethecostofproductresearchanddevelopment.Sowecanquicklydesigntheproductwhichmeetsthemarketdemandquietwell.Thispaperwi

7、llhavesomekinematicsanddynamicssimulationsandoptimizationsofthehydraulicexcavator’sworkingdevicebyusingADAMSsoftware.第6页共6页学术会议英语A3班专业：机械工程2QualitativeAnalysisofExcavatorWorkingDeviceFig.1ComponentsoftheWorkingDeviceTheexcavator’sworkingdeviceworkonthesame

8、principleasthearm’saction.Itstransmissionmechanismsubstantiallyisathree-degreeoffreedomplanarmechanism,andtheplanarmechanismisconnectedinserieswithfourfour-barlinkages.(InFig.1)Thenumeral1standsforthemovablea