组合式塔式起重机设计外文文献翻译译文3420字Word格式文档下载.docx

组合式塔式起重机设计外文文献翻译译文3420字Word格式文档下载.docx

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DynamicComputing,2015,15

（2）:

21-39.

（声明：

本译文归XX文库所有，完整译文请到XX文库。

）

THEDESIGNANDMANUFACTUREFORTHESTRUCTUREOFCOMBINEDTOWERCRANE

KJBathe.

Abstract

Thispaperincludesthreeparts,includingdesign,finiteelementanalysisandmanufacturing.Inthedesignsectionitwillfocusonthedesignofcranemetalstructureandadoptmodulardesignapproach，Notonlytoonekindoftowercranetypestructureforeachcombinationofdesign,butinbetweendifferenttypesoftowercranemodulardesign.InaccordingtoCriteriaofdesignforcraneGB/T13752-92andCriteriaofdesignfortowercraneGB3811-2008,theoverallstructuraldesignmethodisusedtodesignthemainstructuralcomponentsofthecrane,andthendrawengineeringdrawings.Thenmatchingjobagenciesanddrivecontrolsectionwillbeselectedtocompletetheentiretowercranedesign.Onthebasis,thefiniteelementanalysissoftwarewillbeusedtobuildthesimplifiedwholestructuretheequivalentfiniteelementmodel.AndthentakestaticanalysisonthefiniteelementandCheckitsstrength,stiffnessandstability.Accordingtotheanalysisresults,thesizeofthedesignismodifiedtomeettherequirements.DynamicanalysisistakenontheTowercranefiniteelementmodeltoobtainitslownaturalfrequency.Transientresponseanalysiswillbetakentoanalysisthestructuraldeformationdynamicstress.Aftertheabovedesignandanalysis,andthenthetowercranewillbemanufacturedandassembled.

Keywords:

Modulardesign;

Towercrane;

Structuraldesignandanalysis;

Finiteelement;

Manufacturing

1Introduction

Referredtoas"

towercrane,towercrane,towercrane）isanimportantspeciesinconstructioncrane.Towercranebelongstoakindofcontinuoushandlingmachinery,towercranetowerisstandingcanbeclosetothebuilding,itsjibconnectedinverticalatthetopofthetower,theadvantagesmakethetowercranehoistingheightandworkingrangeislarger,theextentoftowercranecanreachabout80%ofthewholerangewithtoputilizationrate.Becauseofitshighefficiency,widerangeofuse,largeturningradius,highliftingheight,convenientoperationandinstallationanddisassemblyissimplewaitforacharacteristic,intheconstructionandindustrialequipmentinstallation,verticaltransportationandwidelyusedinloadingandunloading,canreducetheconstructionperiod,lowertheprojectcost.Towercraneiswidelyusedallkindsofengineeringconstructionofimportantliftingequipment,theuseoftowercranemachinerycangreatlyreducethelaborintensity,reducethecostofengineeringconstruction,butalsotoimprovethequalityoftheengineeringconstruction.

Inrecentyears,duetosomelargeindustrialdevelopmentneedsoftheproject,someofthelargesttowercraneappeared.Duetotheneedsoftheprojectsofurbanpopulationisconcentratedarea,citytowercranetosatisfytheneedsoftheurbanreconstructionanddevelopment.Classificationoftowercraneismore,forthelevelrotaryarmtypetowercranecanbedividedintothecolumncaptypetowercrane,wavetypetowercranepeaceheadtypetowercrane.Anyatowercrane,nomatterwhatisthedifferencebetweenitstechnicalperformanceandstructure,thetotalcanbedecomposedintometalstructure,workingmechanismanddrivecontrolsystemthreeparts.Levelrotaryarmtowercaptypetowercraneisoneofthemostcommonkindoftowercrane,thetowercranemetalstructureconsistsofchassis,thetower,slewingmechanism,towerhead,towercaps,boom,balancearm,tierod,etchingthecomponentpartoftowercranemetalstructureisthemainpartofthetowercrane,istheframeworkofthewholecrane,allkindsofworkstoinstallthecranemechanism,drivecontrolsystem,bearingbyliftingheavyobjects,inheritandpassavarietyofloadonthetowercrane.Towercraneoperatingheightandoperatingspaceisametalstructuretodeterminethescope,throughthemetalstructuretransformationcanalsobecomposedofdifferentmodels,eachagencypartofthetowercraneismainlymadeupofmetalstructure,toachieveacertainmotionlaw.

Metalstructureiscomposedofvariouskindsofmetalpartsmadebycertainconnectionmeansandcansatisfytherequirementsoftheuseofacertainengineeringstructures,withstablequality,highstrength,safeandreliable,easyprocessingcharacteristics.Inthefieldofhoistingmachinery,becauseinordertosatisfydifferentworkingconditionsanduserequirements,avarietyofmodelsemergeinendlessly,metalstructureofliftingmachineryismorediverse.

Withnewtechnology,newcraftappearconstantly,theperformanceparametersofmetalstructuretobemoreperfect,thedesignoftowercranestructureisalsomoreflexible,graduallyformedsomestandardtrendobviousgeneralizationandseriation.Inordertosaveproductioncostandimprovethemachiningefficiencyandtomeetthedemandofthemarket,towercranehasbeentowardthedirectionofamachineavarietyoffunctions,andextensiveintheformofcombination.Nowthetowerofhoistingmachineryfieldmainlyadoptsmodulardesignmethod,theso-calledmodulardesignmethod,namelytotowercranetowerasthemainbodystructure,accordingtothecharacteristicsoftowercranepartsfunctiondifferent,willfirsttowercraneisdividedintoseveralbigmodules,suchasthetower,aliftingbeam,abalancearmpart,etc.hetowerjib,andcanbedecomposedintodifferentsectionforcombination.Deignoftowercraneaccordingtotherequirementsofthedifferenttechnicalparameters,respectively,thecorrespondingcomponentsofcombination,canobtainthevarioustypesoftowercrane.utthemaincontentofthiscombinationisasingletowercraneorthesametypeandspecificationofthesametowercraneparts,suchasthetowercranejib,jack-upset,balancearm,etc.

2Literaturereview

TowercraneoriginatedinEurope,hasbeeninaleadingpositioninthetowercranetechnologydevelopmentabroad,theindustrystructureismoreperfect.InGermany,forinstance,Germanyisnotonlyinthetowerontheownership,intowercranetechnologyisveryadvanced,andGermanyhaslongmadetheGermanindustrialstandardsaboutthetowercrane.Thetowercraneindustryathomeandabroadtostudy,andnowthedesignofthetowercranedevelopmentappearedmanynewcharacteristics,suchas:

seriesproductmix,thestandardized;

Light-dutygmproducts,diversification.

Inrecentyears,becauseofthelargeverylargebuildingconstructionworkcontinuouslyincreased,thecostofthegoodstransportationincreasing,increasinglyshortworkcycle,andenlargedthescaleofproductionfactorssuchascomprehensiveeffectmakesforlargeenterprisesandthedemandofthehightowercraneisconstantlyincreasing.Towercraneismovingtowardlargehoistingquantitative,workingspeedrapidness,lowenergyconsumptionandhighreliabilitydirection,it'

sofcranehoistingcapacity,range,speedandheightofworkputforwardnewrequirements,thenewrequirementsgreatlypromotetheinnovationanddevelopmentoflargeorverylargecranetechnology,craneshowsthetendencyofalarge-scalegradually,hasbecomeanimportantlinkoftheproductionprocessautomation.Duetothediversificationofmodernindustrialproductionmodeanduserdemandofindividuation,theincreasingdemandofspecialcrane,anewtypeoftowercrane,theiruniquecapabilitiestomeettheuser'

spersonalizedneeds,hasplayedaverygoodeffectinengineering,specialtowercranemarketscaleiscontinuallyexpanding.

NotowercrownministrystruttypePotiontowercraneisFrenchpatencompanydesigndevelopmentofanewseriesoftowercranes.Ithastowerhatintraditionaltowercraneonthebasisofboldinnovationreform;

removethetowercapstructurepart,thebalanceofboomandarmoftowerstructurelighter,novelandbeautiful.

Thenewstructuraltypeoftowercraneadoptedtheadvanceddesignidea,themostprominentcharacteristicsofnovelstructureandperformanceparametersoftherange,largehoistingheight,largeworkrange,liftingtorque,workwithfast,slow,inthethree.

Theweightofthetowercraneboomholdsalargeproportioninthetotalweightofthetowercrane,whilekeepingthetowerunderthepremiseofcarryingcapacity,inordertoreducetheweightofboomsoastoimprovetheliftingperformanceoftowercranehavetoadoptsomenewmaterials.Withthedevelopmentofmaterialsprocessingtechnology,andcompositematerialtechnology,somenewtypeofcompositematerialshavebeenwidelyused,makesthecraneboomtoreduceweight,sothatthetowercranehoistingabilitytoascend,prolongstheservicelifeofwirerope,reducetheconsumptionoflubricatingoil.Atpresent,therearecompaniesinforeigncountries,usingcarbonfiberreinforcedplasticstotrialmanufacturingoftowercranejib,thematerialdensityissmall,smallexpansioncoefficient,highstrength,highperformancematerialsforfutureusesimilarmanufacturingtowercraneboomwillbecomethedevelopmenttrendofresearch.Selectionofnewmaterialstoimprovetheworkefficiencyandperformanceoftowercrane,sothestudyoftowercranetochoosematerialneedsattention.Atthesametimeoftowercranemanufacturingprocessingtechnologyresearchalsoneedattention.Abroadinrecentyears,thedevelopmentofFlattypetowercranewidelyattention,Flatheadtowercrane（hereinafterreferredtoas"

Flat"

towercrane）,alsoknownasFlathead（FlatToptowercrane,itscharacteristicisliftingbeam,becomeanorganicwholerepeatedlywithbalancearmandpullrodoftowerhead,upper