2888t.m鐵路起重機吊臂金屬結構研究

1、西南交通大學碩士學位論文2888t.m鐵路起重機吊臂金屬結構研究姓名：曾憲淵申請學位級別：碩士專業(yè)：機械設計及理論指導教師：張仲鵬201012西南交通大學碩士研究生學位論文第1I頁AbstractThroughin—depthresearch，thethesisproposedquasi—ellipticalshapedcrosssectiondesignproposalto2888tmrailwayjibunitforthefirst

2、timeInthelightofthescheme，thedetaileddesignofthejibunithasbeenlaunchedAfterthecalculationintraditionaltheorythemodelofthejibunitWascreatedin3DspaceanditmechanicalpropertiesWasanalyzedwiththeaidofformidablefiniteelementan

3、alysissoftwareANSYSWorkbenchWiththehelpofseamlessconnectiontothemodelbuilding，structureanalysisandoptimizationmodules，thisthesishascarriedonthefiniteelementoptimizationtothejibunitedAtfirst，someintroductionsandcontrastto

4、thedomesticandforeignrailwayconstructionandrailwayrescuecranehavebeenmadeinthisthesisAndthesignificanceofthisthesishasbeenderivedthroughthecontrastThedeepresearchofbothautomobilecranejibunitandrailwayrescuecranejibunitha

5、sbeencarriedonAndtheplanof2888tmrailwaycrane’jibhasbeenproposedwhichbasedonthekeytechnologiesofbothrailwayrescuecraneandautomobilecraneInthefollowing，adetaileddesignofthequasi—ellipticalshapedjibhasbeencarriedoutIncludin

6、gthedetaileddesignofthejibunitedwhichhasbeendeepconsideredAfterthat，bystudyingthevariousrailwayrescuecraneworkingconditionandload，12typicalconditionsWasdeterminedApartofkeysizeparametersCanbecalculatedbasedontheworkingco

7、nditionsAsfollowed，afterthedeterminationofworkingconditionsandparameters，thisthesiscarriedonatraditionaltheorycalculationtothejibThroughtheimpositionoftheharshconditionsofloading，thestrength，stiffnessandstabilityofthejib

8、WascalculatedAndwecanfindoutwhetheritmeetstherequirementsornotbasedontheresultAsweknowcomparedwithfiniteelementanalysismethod，thetraditionaltheorycalculationisquitesketchyandhasmanysimplificationsThereforethecomputationa

9、laccuracyisnothighanditisdifficulttocalculatethesliderlocalstressespeciallySoANSYSWorkbenchhasbeenusedtoanalyzethemechanicalpropertiesoftherailwayrescuecranejibwhichisconsideredasamaturefiniteelementanalysistoolsThe3Dmod