鐵道機(jī)車專業(yè)教學(xué)資源庫吉林鐵道職業(yè)技術(shù)學(xué)院主講：王顏明DesignLiaisonMeeting

JT56ACe-Underframe&Carbody底架與車體FiniteElementAnalysis–JT56ACeLocomotive機(jī)車的有限單元分析

DesignLoadCases 設(shè)計(jì)載荷

UnderframeStructureAnalysis`車底架結(jié)構(gòu)分析

CarbodyStructureAnalysis 車體結(jié)構(gòu)分析

DesignLoadCases

設(shè)計(jì)載荷YieldLoadCases 屈服載荷1gVertical+2670kNBuffLoad1gVertical+2670kNDragLoadCrowbarTorque(T=327,619.85N-m)1gVertical+/-3gLongitudinal1gVertical+/-1.5gLateral2gVerticalEMDEngineFootLoadCasesBogiesinterfaceloadsatunderframeattachmentslocationsFatigueLoadCases 疲勞載荷MeanTorque(T=46802.836N-m)1gvertical+(+/-).25gvertical)+(+/-).5glateral1gvertical+(+/-).25gvertical)+(+/-).5glongitudinal1gvertical+(+/-)0.35gverticalDesignLoadCases設(shè)計(jì)載荷HarmonicLoadCases 諧波載荷EngineFootForcesat17.5HzCrashAnalysisLoadCases(GB6770-2000,EMD) 碰撞分析的載荷CollisionPostLoads(300kN)Anti-ClimberLoads(445kN)CowCatcherLoadsCabInterlockLoadsVibration

振動(dòng)DynamicperformanceshouldcomplyTB/T2360VibrationperformanceofequipmentshouldcomplyGB/T5913RideQuality,Durability

乘車的舒適RideQuality(Cab)asperTB-T2360-93FSSZ,1,LEFT/RIGHTFSSZ,2,LEFT/RIGHTFSSZ,3,LEFT/RIGHTFSSZ,4,LEFT/RIGHTFCBLX,1,LEFT/RIGHTFCBLX,2,LEFT/RIGHTFCOUPLERXUnderframe&BogieInteractionLoads車底架與轉(zhuǎn)向架相互間的載荷

DesignLoadCases設(shè)計(jì)載荷Secondaryyawdamperfatigueload:FSYD

=30kNDamperloadis28kNat0.3m/sSecondarylateraldamperfatigueload:FSYD

=25kNDamperloadis20kNat0.3m/sSecondarylateralstoploadfatigueload:FSLS

=70kNCarbodyof110,000kgat0.2g reducedby80kNforspringshearloadSecondarylateralstoploadyieldload:FSLS

=150kNCarbodyof110,000kgat0.35g

reducedby80kNforspringshearloadSecondaryyawstopload:FSYS

=70kNUseloadoflateralstopUnderframe&BogieInteractionLoads車底架與轉(zhuǎn)向架之間的相互作用力DesignLoadCases

設(shè)計(jì)載荷DesignLoadCases

設(shè)計(jì)載荷ENGINEGENIdentificationofloadsU/FTest-Fzload@EngFrLeDesignLoadCases

設(shè)計(jì)載荷ForceIdentificationTeston16HEngine-1stOrder 16H柴油機(jī)試驗(yàn)中測(cè)試得到的力DesignLoadCases

設(shè)計(jì)載荷Engine&GeneratorSupportFootForces(N)FromTestData根據(jù)試驗(yàn)數(shù)據(jù)獲得柴油機(jī)和發(fā)電機(jī)支座的作用力

DesignLoadCases

設(shè)計(jì)載荷YieldLoadCasesbasedEngineMass:柴油機(jī)質(zhì)量的屈服載荷

1gVerticaland3gLongitudinal1gVerticaland1.5gLateral2gVertical

EMDEngineFootLoadCases 柴油機(jī)支座載荷SpecialYieldLoadCases:

特殊的屈服載荷

EdgeLoad:88964N(20000lbs)oneachpadinY-direction)ThermalLoad:111205N(25000lbs)oneachpadinX-direction)ClampLoad:0.127mm(0.005inch)inz-directiononouteredgeofpadFatigueLoadCases:

疲勞載荷

MeanEngineTorque

VibrationForces

1gvertical+(+/-).25gvertical)+(+/-).5glateral1gvertical+(+/-).25gvertical)+(+/-).5glongitudinal1gvertical+(+/-)0.35gverticalUnderframeStructuralAnalysis車底架結(jié)構(gòu)的分析EngineSupport

柴油機(jī)支座

GeneratorSupport 發(fā)電機(jī)支座

CabRearIsolatorSupport 司機(jī)室后部減振器的支撐

CollisionPost

防撞裝置

Anticlimber 防爬裝置

Cowcatcher

排障裝置

BatteryBox

電池箱

DB/ECStructure 電阻/電器室

FanHatchStructure 冷卻風(fēng)扇安裝蓋

EngineHatch

柴油機(jī)室頂蓋

RadiatorHatch 散熱器頂蓋

WaterTank

水箱

PhaseModuleRack 逆變器模塊支架UnderframeStructuralAnalysis車底架結(jié)構(gòu)分析FiniteElementModelofEngineSupportStructure柴油機(jī)支座結(jié)構(gòu)的有限單元模型UnderframeStructuralAnalysis車底架結(jié)構(gòu)的分析YieldLoadCase1:1gV+3gLongMaterialYieldLimit=325Mpa,DesignLimit=100MpaMaximumequivalentstress=98.8MpaFiniteElementAnalysisofEngineSupportStructure(YieldLoadCases) 柴油機(jī)支座結(jié)構(gòu)的有限單元分析(3GX軸向載荷+1G垂直載荷)UnderframeStructuralAnalysis車底架結(jié)構(gòu)分析YieldLoadCase2:1gV+1.5gLongMaterialYieldLimit=325Mpa,DesignLimit=100MpaMaximumequivalentstress=102MpaFiniteElementAnalysisofEngineSupportStructure(YieldLoadCases)柴油機(jī)支座結(jié)構(gòu)的有限單元分析(1.5G橫向載荷+1G垂直載荷)UnderframeStructuralAnalysisYieldLoadCase3:2gVMaterialYieldLimit=325Mpa,DesignLimit=100MpaMaximumequivalentstress=56MpaFiniteElementAnalysisofEngineSupportStructure(YieldLoadCases)柴油機(jī)支座結(jié)構(gòu)的有限單元分析(2G垂直載荷)UnderframeStructuralAnalysisFiniteElementAnalysisofEngineSupportStructure(SpecialLoadCases)柴油機(jī)支座結(jié)構(gòu)的有限單元分析(特殊邊緣載荷)SpecialLoadCase1:EdgeLoad88,964N(20000lbs)inY-directionMaterialYieldLimit=325MPaMaximumequivalentstress=28MPaUnderframeStructuralAnalysis車底架結(jié)構(gòu)分析FiniteElementAnalysisofEngineSupportStructure(SpecialLoadCases)柴油機(jī)支座結(jié)構(gòu)的有限單元分析(特殊的熱載荷)SpecialLoadCase2:ThermalLoad111,205N(25000lbs)inX-directionMaterialYieldLimit=325MPaMaximumequivalentstress=34MPaUnderframeStructuralAnalysis車底架結(jié)構(gòu)分析FiniteElementAnalysisofEngineSupportStructure柴油機(jī)支座結(jié)構(gòu)的有限單元分析---匯表UnderframeStructuralAnalysis車底架結(jié)構(gòu)分析FiniteElementAnalysisofEngineSupportStructure(FatigueLoadCases)柴油機(jī)支座結(jié)構(gòu)的有限單元分析(疲勞載荷)FatigueLoadSet1:MeanEngineTorque

VibrationForcesSubLoadcase1:MeanEngineTorque+VibrationForces

MaterialYieldLimit=325MPaMaximumequivalentstress=37MPaUnderframeStructuralAnalysis

車底架結(jié)構(gòu)的分析FiniteElementAnalysisofEngineSupportStructure(FatigueLoadCases)柴油機(jī)支座結(jié)構(gòu)的有限單元分析(疲勞載荷)FatigueLoadSet1:MeanEngineTorque

VibrationForcesSubLoadcase2:MeanEngineTorque-VibrationForces

MaterialYieldLimit=325MPaMaximumequivalentstress=26MpaUnderframeStructuralAnalysis車底架結(jié)構(gòu)的分析FiniteElementAnalysisofEngineSupportStructure(Fatigue)柴油機(jī)支座結(jié)構(gòu)的有限單元分析(疲勞載荷)UnderframeStructuralAnalysis

車底架結(jié)構(gòu)分析BoltLoadsforGeneratorPadStructure

發(fā)電機(jī)緩沖墊的螺拴載荷UnderframeStructuralAnalysis 車底架結(jié)構(gòu)的分析StressAnalysisofGeneratorPadStructure(1gVertical+3gLongitudinal)發(fā)電機(jī)緩沖墊結(jié)構(gòu)的應(yīng)力分析(3GX軸向+1G垂直)MaximumDisplacement:0.193mmMaximumEquivalentStress:47.3MPaUnderframeStructuralAnalysis車底架結(jié)構(gòu)分析StressAnalysisofGeneratorPadStructure(1gVertical+1.5gLateral)發(fā)電機(jī)緩沖墊結(jié)構(gòu)的應(yīng)力分析(1.5G橫向+1G垂直)MaximumDisplacement:0.118mmMaximumEquivalentStress:29.6MPaUnderframeStructuralAnalysis 車底架結(jié)構(gòu)的分析StressAnalysisofGeneratorPadStructure(2gVertical)發(fā)電機(jī)緩沖墊結(jié)構(gòu)的應(yīng)力分析(2G垂直載荷)MaximumDisplacement:0.146mmMaximumEquivalentStress:44.3MPaUnderframeStructuralAnalysis 車底架結(jié)構(gòu)的分析CabRearIsolatorSupportStructure司機(jī)室后部減振器支座結(jié)構(gòu)Fx=43,870N(3gLongitudinal)Fy=21,940N(1.5gLateral)Fz=19,500N(2gVertical)VonMisesStress=85MpaUnderframeStructuralAnalysis車底架結(jié)構(gòu)分析UnderframeSecondarySupportStructure

車底架二系彈簧支撐結(jié)構(gòu)LocalShellModel局部有限單元模型Displacement=1.34mmFz=274,250N(2gVertical)UnderframeStructuralAnalysis 車底架結(jié)構(gòu)分析家VonMisesStress=110MpaVonMisesStress=82MpaSubModelingUnderframeSecondarySupportStructure車底架二系彈簧支撐結(jié)構(gòu)

UnderframeStructuralAnalysis 車底架結(jié)構(gòu)分析Fz=274,250N(2gVertical)UnderframeStructuralAnalysis 車底架結(jié)構(gòu)分析DisplacementVonMisesStressCBTractionRodLoad:150KNin–VeX-Direction車體牽引桿載荷:150KNX軸反方向CBTractionRodLoad:150KNin+VeX-Direction車體牽引桿載荷:150KNX軸正方向Displacement位移VonMisesStress相當(dāng)應(yīng)力UnderframeStructuralAnalysis 車底架結(jié)構(gòu)分析SecondaryYawDamperLoad:30KNonface抗蛇形減振器DisplacementVonMisesStressUnderframeStructuralAnalysis

車底架結(jié)構(gòu)分析LiftingofLocomotivewith1.5gV=412KN機(jī)車起升座DisplacementVonMisesStressUnderframeStructuralAnalysis 車底架結(jié)構(gòu)分析CarBodyJackingwith1.5gV=242.25KN車體架車支撐座

DisplacementVonMisesStressUnderframeStructuralAnalysis 車底架結(jié)構(gòu)分析UnderframeStructuralAnalysis 車底架結(jié)構(gòu)分析Figure1. StressDistributionofCollision-Anti-ClimbStructureunder CollisionLoadof300kN.防爬裝置碰撞時(shí)應(yīng)力分布(30KN碰撞力)

(MaximumVonMisesStress=248MPa)UnderframeStructuralAnalysis車底架結(jié)構(gòu)分析Figure2. StressDistributionofCollision-Anti-ClimbStructureunderAnti-ClimbLoadof443kN.防爬裝置碰撞時(shí)應(yīng)力分布(443KN力)

(MaximumVonMisesStress=340MPa)UnderframeStructuralAnalysis車底架結(jié)構(gòu)分析Figure3. StressDistributionofCollision-Anti-ClimbStructureunder Anti-ClimbLoadof443kN.防爬裝置碰撞時(shí)應(yīng)力分布(443KN力)

(MaximumVonMisesStress=319MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure4. StressDistributionofCollision-Anti-ClimbStructureunder Anti-ClimbLoadof443kN.防撞防爬裝置在443KN載荷下的應(yīng)力分布

(MaximumVonMisesStress=284MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure5. StressDistributionofCollision-Anti-ClimbStructureunder Anti-ClimbLoadof443kN.防撞防爬裝置在443KN載荷下的應(yīng)力分布

(MaximumVonMisesStress=305MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure6. StressDistributionofCollision-Anti-ClimbStructureunder Anti-ClimbLoadof443kN.防撞防爬裝置在443KN載荷下的應(yīng)力分布

(MaximumVonMisesStress=259MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure7. StressDistributionofCollision-Anti-ClimbStructureunder CabSpringLoadof38kN.防撞防爬結(jié)構(gòu)在司機(jī)室

在38KN彈簧載荷下的應(yīng)力分布

(MaximumVonMisesStress=65.8MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure8. StressDistributionofCollision-Anti-ClimbStructureunder CabLateralLoadof70kN.防撞防爬結(jié)構(gòu)在司機(jī)室在70KN橫向載荷下的應(yīng)力分布

(MaximumVonMisesStress=164MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure9. StressDistributionofCollision-Anti-ClimbStructureunder CabInter-LokLoadof250kN.防撞防爬結(jié)構(gòu)在司機(jī)室Inter-lok250KN下的應(yīng)力分布

(MaximumVonMisesStress=389MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析CowCatcher排障器UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure1. StressDistributiononCowCatcherStructureunder LongitudinalLoadof140kN.排障器縱向受力在140KN的應(yīng)力分部

(MaximumVonMisesStress=263MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析BatteryBox電池箱UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure2. FEAResultofBatteryandRe-railerBox.Battery&Re-railer箱體有限元分析結(jié)果

LoadCase:3gLongitudinal+1gVertical

(MaximumVonMisesStress=128MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure3. FEAResultofBatteryandRe-railerBox.Battery&Re-railer箱體有限元分析結(jié)果

LoadCase:1.5gLateral+1gVertical

(MaximumVonMisesStress=56.5MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure4. FEAResultofBatteryandRe-railerBox.Battery&Re-railer箱體有限元分析結(jié)果

LoadCase:2gVertical

(MaximumVonMisesStress=49.8MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure5. FEAResultofBatteryandRe-railerBox.Battery&Re-railer箱體有限元分析結(jié)果

LoadCase:2gVerticalwithDoorOpen

(MaximumVonMisesStress=130MPa)UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure6. FEAModalAnalysisResultofBatteryandRe-railerBox.箱體形態(tài)有限元分析結(jié)果

Mode#1,F=24Hz. LongitudinalMovement.UnderframeStructuralAnalysis底架結(jié)構(gòu)分析Figure7. FEAModalAnalysisResultofatteryandRe-railerBox.Battery&Re-railer箱體有限元分析結(jié)構(gòu)

Mode#2,F=30Hz. VerticalBendingofBoxBottomStructure.箱體結(jié)構(gòu)縱向彎曲UnderframeStructuralAnalysi底架結(jié)構(gòu)分析Figure8. FEAModalAnalysisResultofBatteryandRe-railerBox.Battery&Re-railer箱體有限元分析結(jié)構(gòu)

Mode#3,F=33Hz. VerticalBendingofBoxBottomStructure.箱體結(jié)構(gòu)縱向彎曲UnderframeStructuralAnalysi底架結(jié)構(gòu)分析Figure9. FEAModalAnalysisResultofbatteryandRe-railerBox.Battery&Re-railer箱體有限元分析結(jié)構(gòu)

Mode#4,F=45Hz. VerticalBendingofBoxBottomStructure.箱體結(jié)構(gòu)縱向彎曲UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析UnderframeStructuralAnalysi底架結(jié)構(gòu)分析DBHatchSupportStructure(1gVertical+3gLongitudinal)DB

頂蓋支架結(jié)構(gòu)Max.Stress:56.2MpaMax.Displacement:1.01mmCarbodyStructuralAnalysis車體結(jié)構(gòu)分析Displacement變形VonMisesStress平均應(yīng)力DBHatchSupportStructure(1gVertical+1.5gLateral)

DB

頂蓋支架結(jié)構(gòu)Max.Stress:40.1MpaMax.Displacement:1.12mmCarbodyStructuralAnalysis車體結(jié)構(gòu)分析Displacement變形VonMisesStress平均應(yīng)力DBHatchSupportStructure(2gVertical)DB

頂蓋支架結(jié)構(gòu)Max.Stress:30.4MpaMax.Displacement:0.92mmCarbodyStructuralAnalysis車體結(jié)構(gòu)分析Displacement變形VonMisesStress平均應(yīng)力ModalAnalysisofDynamicBrakeHatch&SupportStructure動(dòng)力制動(dòng)頂蓋和支撐結(jié)構(gòu)形態(tài)分析研究10mmDBHatchPlate100x100x6mmLateralTubeCarbodyStructuralAnalysis車體結(jié)構(gòu)分析ModalAnalysisofDBHatch&SupportStructure

動(dòng)力制動(dòng)頂蓋和支撐結(jié)構(gòu)形態(tài)分析研究1stMode2ndModeFrequency=27.0HzDynamicBrakeVerticalBounceFrequency=29.2HzDynamicBrakeRoll,CarbodyTwistCarbodyStructuralAnalysis車體結(jié)構(gòu)分析ModalAnalysisofDBHatch&SupportStructure動(dòng)力制動(dòng)頂蓋和支撐結(jié)構(gòu)形態(tài)分析研究Frequency=34.8HzDynamicBrakePitch+Longitudinal3rdModeCarbodyStructuralAnalysis車體結(jié)構(gòu)分析FanHatchStructure(1gVertical+3gLongitudinal)冷卻風(fēng)扇頂蓋結(jié)構(gòu)Max.Stress:51.8MpaMax.Displacement:1.8mmDisplacement變形VonMisesStress等效應(yīng)力CarbodyStructuralAnalysis車體結(jié)構(gòu)分析FanHatchStructure(1gVertical+1.5gLateral)風(fēng)扇頂蓋結(jié)構(gòu)Max.Stress:59.4MpaMax.Displacement:1.45mmDisplacement變形VonMisesStress等效應(yīng)力CarbodyStructuralAnalysis車體結(jié)構(gòu)分析FanHatchStructure(2gVertical)Max.Stress:30.6MpaMax.Displacement:1.10mmDisplacementVonMisesStressCarbodyStructuralAnalysisModalAnalysisofCoolingFanHatch&SupportStructure100x100x6mmLateralTubeCarbodyStructuralAnalysisModalAnalysisofFanHatchStructure

Frequency=22.2HzLongitudinalMoveofFanSupportStructureFrequency=24.6HzVerticalBendingofFanSupportbeams1stMode2ndModeCarbodyStructuralAnalysisModalAnalysisofFanHatchStructure

Frequency=25.1HzFrequency=27.3Hz3rdMode4thModeVerticalBendingofFanSupportbeamsLateralBendingofFanSupportStructureCarbodyStructuralAnalysisModalAnalysisofFanHatchStructure

Frequency=28.2HzFrequency=35.8Hz5thMode6thModeVerticalBendingofLateralFanSupportBeamVerticalBendingofLongitudinalFanSupportBeams

CarbodyStructuralAnalysisBucklingAnalysisofSideWallSkinSkinSize5908mmx1975mm(EngineCompartmentSideSkin)BoundaryCondition:OneSideFixed,OtherSidewith36NofdistributedcompressiveloadCarbodyStructuralAnalysisEngineHatchStructureBoltslocationsconstrainedinX,Y,ZUGModelFEAModel&BoundaryConditionsCarbodyStructuralAnalysisEngineHatch–FiniteElementModelTopViewBottomViewCarbodyStructuralAnalysisLength–mm,Force–N,Stress-MPaEquivalentStressEngineHatch-YieldLoadCase(1gV+3gLong.)CarbodyStructuralAnalysisEngineHatch-YieldLoadCase(1gV+1.5gLat.)Length–mm,Force–N,Stress-MPaEquivalentStressCarbodyStructuralAnalysisEngineHatch-YieldLoadCase(2gV)Length–mm,Force–N,Stress-MPaCarbodyStructuralAnalysisFirstMode26.3HzSecondMode29.8HzEngineHatch–ModalAnalysisCarbodyStructuralAnalysisRadiatorHatchStructure

GeometricModelCarbodyStructuralAnalysisRadiatorHatch–FiniteElementModelCarbodyStructuralAnalysisBoltslocationsconstrainedinx,y,zdirectionCouplingforBoltmodelingCouplingusedinLongitudinalloadcaseBoundaryCondition–YieldLC(1gV+3gL)RadiatorHatchBoundaryConditionsCarbodyStructuralAnalysisLength–mm長(zhǎng)度-毫米Force–N

載荷-牛頓Stress–Mpa

應(yīng)力-帕斯卡RadiatorHatch–YieldLoadcase(1gV+3gLong.)散熱器天窗,屈服載荷(1g

豎向坐標(biāo),1.5g橫向坐標(biāo)CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析EquivalentStress(MPa)等效應(yīng)力Boltslocationsconstrainedinx,y,zdirection,螺栓聯(lián)接CouplingforBoltmodelingCouplingusedinLongitudinalloadcaseBoundaryCondition–YieldLC(1gV+1.5gLat)載荷邊界條件:1g

豎向坐標(biāo),1.5g橫向坐標(biāo)RadiatorHatch散熱器天窗BoundaryConditions載荷邊界條件CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析Length–mm長(zhǎng)度-毫米Force–N

載荷-牛頓Stress–Mpa

應(yīng)力-帕斯卡EquivalentStress(MPa)等效應(yīng)力RadiatorHatch–YieldLoadcase(1gV+1.5gLat.)載荷邊界條件:1g

豎向坐標(biāo),1.5g橫向坐標(biāo)CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析Boltslocationsconstrainedinx,y,zdirectionCouplingforBoltmodelingBoundaryCondition–YieldLC(2gV)載荷邊界條件:2g

豎向坐標(biāo)RadiatorHatch散熱器天窗BoundaryConditions載荷邊界條件CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析EquivalentStress(MPa)等效應(yīng)力Length–mm長(zhǎng)度-毫米Force–N

載荷-牛頓Stress–Mpa

應(yīng)力-帕斯卡RadiatorHatch–YieldLoadcase(2gV)載荷邊界條件:2g

豎向坐標(biāo)CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析WaterTankStructuralAnalysis膨脹水箱有限元分析模型CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析WaterTankStructuralAnalysis膨脹水箱有限元分析模型CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析WaterTankStructuralAnalysis膨脹水箱有限元分析模型1gVertical+3gLongitudinal,載荷邊界條件:1g

豎向坐標(biāo),3g橫向坐標(biāo)CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析WaterTankStructuralAnalysis膨脹水箱有限元分析模型1gVertical+1.5gLateral,載荷邊界條件:1g

豎向坐標(biāo),3g橫向坐標(biāo)CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析WaterTankStructuralAnalysis膨脹水箱有限元分析模型2gVertical,載荷邊界條件:2g

豎向坐標(biāo)CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析WaterTankStructuralAnalysis膨脹水箱有限元分析模型CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析WaterTankStructuralAnalysis膨脹水箱有限元分析模型CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析WaterTankStructuralAnalysis膨脹水箱有限元分析模型PhaseModuleTrayIsolation逆變器模塊底盤隔離Risksthatdrovetheisolationdecision導(dǎo)致采用隔離方案的風(fēng)險(xiǎn)因素16Henginehasnewvibrationcharacteristics16H柴油機(jī)新的振動(dòng)特性HenginemountingfeetareonthebaserailandcantransmitcrankcaseforcesandmotionsH

柴油機(jī)安裝底座傳遞來自曲軸箱的力和位移4-cycleenginehashalforders

四沖程柴油機(jī)產(chǎn)生“半階”振動(dòng)頻率(每秒轉(zhuǎn)速的一半)6000HPenginehashigherforces6000馬力柴油機(jī)產(chǎn)生更高載荷Carbodyisstifferandcantransmithigherfrequencies

高剛度車體傳遞高頻振動(dòng)Phasemodulesarelocatedveryhighinthecarbodystructure逆變器模塊位于車體頂端Phasemodulesareheavy

模塊重量大CarbodyStructuralAnalysis車體結(jié)構(gòu)有限元分析PhaseModuleTrayIsolation逆變器模塊底盤隔離Isolationconcept隔離方案Target23Hzinalldirections所有方向的自振頻率選在23HzMotionswillbesmall位移小Willpassfirstorderbutisolatehigherfrequencies

隔離柴油機(jī)二階及以上振動(dòng),不隔離一階振動(dòng)Willappear“stiff”toroadbedinducedinertialoads

對(duì)來自線路慣性載荷呈現(xiàn)“剛性”特性Fourisolatorlocations

四個(gè)減震器的位置Alignswellwiththelightweightstructure輕型結(jié)構(gòu)實(shí)現(xiàn)載荷均勻傳遞Adaptstolimitedaccessforbolting適用于有限裝配空間的裝配操作Willrequirestopsandinterlocks需要止擋及鎖定裝置Nocontactundernormaloperation

正常工作狀態(tài)下無剛性接觸CarbodyStructuralAnalysis車體結(jié)構(gòu)分析ArrangementofPhaseModuleRack逆變器模塊支架布置Isolatorsforlateralandverticalmotion橫向及垂向減震器Bellows褶式風(fēng)道AirDuct

風(fēng)道CarbodyFrame車架CarbodyStructuralAnalysis車體結(jié)構(gòu)分析PhaseModuleRack逆變器模塊支架FEModelingofPhaseModuleRackwithCarbody模塊支架與車體的有限元模型CarbodyStructuralAnalysis車體結(jié)構(gòu)分析FEModelofPhaseModuleRack模塊支架的有