高速接觸網(wǎng)腕臂結(jié)構(gòu)計(jì)算分析.pdf

1、西南交通大學(xué)碩士學(xué)位論文高速接觸網(wǎng)腕臂結(jié)構(gòu)計(jì)算分析姓名：詹鵬申請學(xué)位級別：碩士專業(yè)：電氣工程指導(dǎo)教師：吳積欽201205西南交通大學(xué)碩士研究生學(xué)位論文第lI頁AbstractThecantileversupportstructureofoverheadcontactlinesystem(OCS)isassembledonthecolumnorinvertedcolumninordertohangallthecontactedsuspen

2、sionpartsabovetherailWiththefastdevelopmentofhighspeedrailwaytherequirementoftheoverheadcontactlinecantileversupportstructureperformanceishigherandhigherMuminumalloyandsteelcantileverstructmearecommonlyusedatcurrentstage

3、inhi曲speedoverheadcontactlineThisarticledescribestheentitymodelingunderInventorforthemaincomponentsofcantileverstructureand4typesofcantileverentitymodelsareassembledwimbothaluminumalloyandsteelmaterialsinpulloffmodeandpu

4、shoffmodeTakingadvantageofthewellintercommunitybetweensoftwareInventorandANSYSWorkbenchtheentitymodelsareledintoANSYSWorkbenchforstaticanddynamicscalculationwhichprovidedtheoreticalsupportforthesafetyandreliabilityofcant

5、ileverstructuredesignInthestaticscalculationofthestructure，staticsanalysisisproce腳edforthe4typesofentitymodelsthroughstaticloadappearedindifferentoperatingmodes，andgetthedisplacementnephogramandstressflephogramAfterCompr

6、ehensivecomparisonofthedisplacementandstressbetweendifferentmaterialsunderthesameloadit’SfoundoutthatthestressconcentratedareacommonlyexistsattheconnectingpartofpipefittingTheVerticaldisplacementofthealuminumalloypuShoff

7、modestructureattheregistrationannendistoolarge，stayoftheregistrationarmcouldbeconsideredteplaceinclinedstrutInthedynamicscalculationofthestructure，firstlymodalanalysisisconductedforthe4typesofstructureinordertogetthenatu

8、ralfrequencyandmaximumamplitudeundernaturalfrequencyconsidertheeaseofprestressed(staicforce)；secondlyHarmonicresponseiscalculatedatthebaseofmodalanalysiswhencantileverstructureisintheeffectofpantographupliftforceAimingat

9、bothliftrisevalueandstressvalue，amplitudefrequencycurvesareestablishedseparatelyandsomenaturalfrequencieswhichshouldbeavoidedatthecantileverstructuredesignareachievedTransientdynamicanalysisunderwindloadisconductedagaini

10、nthebaseofmodalanalysisinordertogetthecurveofverticaldisplacementandstresschanging謝吐ltime—historiesTheverticaldisplacementofanchorpointunderpuShoffmodesteelstructureistoolarge，thestressvalueofanchorpointfor4structuresare