橡胶履带车辆振动特性研究

河南科技大学硕士学位论文橡胶履带车辆振动特性研究姓名：周少虎申请学位级别：硕士专业：车辆工程指导教师：赵剡水;周志立@IUGADAMSADAMSIISubject:VibrationanalysisofrubbertrackedvehicleSpecialty:VehicleEngineeringName:ZhouShaohuSupervisor:ZhaoYanshuiZhouZhiliABSTRACTWiththedevelopmentofvehicletechnologyandtheenhancementofagriculturalperformance,thevibrationproblemoftrackedvehiclehasbecomethemostimportantfactorrestrictingtheworkingspeed.Inthispaper,themajorobjectiveisthevibrationproblemstudyingrubbertrackedvehicle.Acomputersimulationisaneffectivemeansofanalyticalmethods.Thetheoryanalysisandsimulationbycomputerareutilizedtoresearchthevibrationcharacteristicsoftherubbertrackedvehicle.Thenew-developedrubbertrackedvehicleisselectedasprototype,Basedonanalyzingitsconstructionprincipleandcharacteristic,themodelingandsimulationofrunningsystemusingUGandADAMSanalyzedthevibrationcharacteristics.Theeffectofrunningsystem’sparametertoridingcomfortabilityprovideshelptooptimizationdesign.Ithelpstoimprovethedesignleveloftherunningsystemofrubbertrackedvehicle.KEYWORDSRubbertrackedvehicle,Runningsystem,Vibrationanalysis,ADAMS,SimulationDissertationType:Applicationstudy1111.1Challenger[1]1.15%20%8100T2.020.2km/hChallenger352.6228.64km/h[2]22.R=1/2BBR=03.1-11302RFig.1-1Dongfanghong1302Rtrackedvehicle2070208013[3]199458.5kW-80266.288.2kW-90210021202200095.6kW-13021-116km/h[4]1-2ChallengerMT700Fig.1-2ChallengerMT700trackedvehicle(Caterpillar)1986Challenger65(Challenger)311EMT700MT7001-2254mm10km/h[5]90(Case)CaseIHSTXSTX375STX440430km/h37km/h2090(Komatsu)29.4kW3.98t51.5kW6.92t518.1km/h(Yanmar)CT-6507508009001000120047.855.158.873.588.2kW3.885.2t16.318.6kPa4CT12012.4km/h18km/h[6](XT3)153Б117.6kW1800mm3075mm300mm4.315.6km/h5.88.1km/hT-1501.21.2.3.4.510%5.15%maxv=1520km/h[7]4050km/h6.151430kPa0.140.32kg/cm110140kPa[8]7.28.9.10.1.330%[9]10Hz10Hz[10]0.520Hz[11,12]6[13,14][15]50[16]80[17]6080[18]901994DhirASankarS2+N(N)[19][20-22]17[23-26]1.40402021.2.3.4.282[27]0.0780.08MPa0.050.058MPa17.528%2.1[28]1.2.93.1420%[29]1.2.3.3.77%[30]2102.21.2.//3.2.3112.3.11.2.2-33.2122-11-2-3-4-5-6-2-1Fig.2-1therunningsystemofthevehicle1.52.[30]132.3.22-22-2Fig.2-2therunningsystem’sstructureofthevehicle2-12-1Tab.2-1parameterofrunningsystemmmmm88418029694581589711500350-2204482-22-200xxy448mm220mm803mm1365mm1948mm2510mm3189mm458mm2142-2Tab.2-2Coordinatesofroadwheelcentermm(0,0)(-20,-50)(-1,60)(583,0)(551,-50)(578,60)(1145,0)(1177,-50)(1150,60)(1728,0)(1708,-50)(1727,60)(2290,0)(2269,-50)(2289,60)2.452.4.1[31]2-3151231-2-3-2-3Fig.2-3wheel-aperturecorerubberbelt2.4.22-42162-4Fig.2-4thehydro-pneumaticsuspension[32]1.2.3.4.()5.6.7.8.171.2.3.4.-405.2-51-2-3-4-5-6-7-8-2-Fig.2-TheoperatingprinciplegraphyofHPS2-5()218()2.4.32.4.4192.4.52-62-6Fig.2-6schematicoftentioner2202-32-3Tab.2-3parameterofbufferspring()kN()kN()mm17.848.11052.532133.1[33]1.()xt()Rτ()SΩ[34]1()lim()()2TTTRxtxtdtTττ−→∞=+∫(3-1)22012()()()cosjSRedRdττττττππ∞∞−Ω−∞Ω==Ω∫∫(3-2)()SΩ()qSΩ198400()()()tWqqSS−ΩΩ=ΩΩ(3-3)Ω-1m0Ω-100.1mΩ=tW20()qSΩ0Ω3-1Tab.3-1coefficientofterrainprofile(62110/mm−−)A81632B3264128C128256512D51210242048E204840968192F81921638432768G3276865536131072H13107226214452428883-10()qSΩ12~Ω=ΩΩ1Ω()qSΩ0()qSΩ2Ω()qSΩ2Ω2Ω1Ω0-12=2mΩ-110.1mΩ=[35]3-4323101001202()()(0)()()()()0()ttWqWqqSSS−−ΩΩ≤ΩΩΩΩΩ=ΩΩ≤ΩΩΩΩ≥Ω(3-4)2.[36]MATLAB[37][38]3.244.6%8%10%12%14%78%[39]5.iiy3-1aihiiiHyh=+(3-5)mlciHmH325nAx()max()nmwiiwmmlwyHryhryhcr′=−=+−=++−(02in≤≤)(3-6)iymmihimmwrmmlcmmmrwmHiyihnymymhinm0A2nAxOnAmAlcyax∆1i−i1i+i+jyx0v0αy′iy′1iy+′y+′oxvyvo1i−ji()b)(3-1Fig.3-1theexcitationcharacteristiconterrain3-1b0000cossinxyvvvvgtαα==−(3-7)t202200tan2cosijijijigxyxyvαα+++′=−+(3-8)0v-1msxv-1msyv-1ms0αrad26ijy+ij+mmijx+xiij+mm3.2/ISO02631-1985[40]1/3-FDTCDT-3271/31.1/3180Hz20ujf/ljf=32=1.26cjf=ujljff×321/31/32.3.()222221limTxTtdtTϕχ−=∫(3-9)2xxϕϕ=(3-10)xϕ-2msTs()tχ-2ms40km/h40km/hB262-16410m/m−×1.252.00-2ms0.751.50-2ms[41]283.3+[42]3.3.1CADFEA[43]1.CAD2.FEA3.4.5.6.3293[44]1.2.3.UGADAMSUGUnigraphics30CAD/CAE/CAM[45]UGUG[46,47]ADAMSADAMSADAMS3ADAMS/ViewADAMS/SolverADAMS/PostProcessorADAMS/FlexADAMS/ControlsADAMS/Exchange3ADAMS/ViewADAMS/ViewADAMS/SolverADAMS331ADAMSADAMS/SolveADAMS/SolverADAMSADAMS/PostProcessorADAMS/PostProcessorADAMS/PostProcessorADAMSADAMSADAMSCADUGADAMSADAMS/ExchangeADAMS3.3.21.2.3.4.5.32ADAMSCADUG3-23-2Tab.3-2Parameterofrunningsystem(kg)7871(2kgm⋅)41.810×(kg)113.5××(mm)5354×3332×3205(mm)63.5(/Nmm)1500(/Nmm)613(/Nmm)785/Nsmm⋅22.5(/Nmm)65.7ADAMSADAMS1.2.3.3-23-3Fig.3-2sprocketofthevehicleFig.3-3roadwheelofthevehicle333UGbottomtotopUGAssemblies3-23-3UniGraphicsApplicationAssembilesADAMSADAMSAddingExistingComponentMateComponent3-4Fig.3-4Themodelofvehiclevibration3-41.2.3.4.Impactforce3-2411616634138264514313=×+×+×+×108138416=−×50mm200N/mm1N.s/mm[48]3.4ADAMSADAMS3-53-5Fig.3-5TheflowchartofthesimulationADAMSADAMS/ViewCADUGPro/ESolidworksADAMS335UGADAMSparasolid[45]UG3-4ADAMS3-2ADAMSUG3-4UGADAMSparasolidADAMSADAMSADAMS1984/108/267ISOTCSCNBC262-16410m/m−×B10km/h20km/h40km/hBSolverADAMS36ADAMSIMPACT[49]()()01.0,0.50,2.1,0,350,),(,cxxvhMarkacchMarkvIMPACTF−−=(3