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    05 May 2015, Volume 31 Issue 1
    TypicalMechanicalTransmissionPrecisionAnalysis
    DONGZhizhong
    2015, 31(1):  1.  doi:10.3969/j.issn.1009-0479.2015.01.001
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    Basedoncontainingtheintermittenttransmissionmechanism,gear,worm,wormgeardrivemechanism,andscrewtransmissionmechanism analysisofthetypicalmechanicaltransmissionofthetransmissionlink.Determiningthesourceandnatureoftheerrorofeachlink,andtotheerrorlinktodeductionandcalculationtheinfluenceofmechanismmotionprecision,bytheprecisionofdataprocessingforstructuralmovementdata.

    VirtualSimulationofCrushingRecyclingSteelPlatefrom ScrapAutomobileBasedonANSYS
    LIUMeizhen1, LIUJianxiong2, TANGMingfeng1
    2015, 31(1):  7.  doi:10.3969/j.issn.1009-0479.2015.01.002
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    Inthispaper,thevirtualsimulationofcrushingrecyclingsteelplatefromscrapautoisstudied.IthasbeenfoundasuitableanalyticalmethodthatusingtheANSYS/LSDYNAsoftwaresimulatesthesituationoftheexperiment,andthesimulationresultisgood.Crushingvirtualsimulationbasedontheresearchonitsgeometrywasestablished.Thematerialparametersofsteelplateandhammerwereselected,andthefiniteelementmodelofthehammerheadandsteelplatewasestablished.Accordingtothefactorsofaffectingoncrushingeffecttosimulate,theresultsweregotthatthehammersmasshaslittleeffectoncrushing,andthehammersvelocityandradiushavemoreeffectoncrushing.Itcanprovidesometheoreticalsupportsfortheautomobilerecyclingsteelcrusherresearch.

    ApplicationResearchonUrbanRailTransitEP2002BrakeSystem
    TAOMin, ZHANGFan, YANGYing, GAOLiangzhang
    2015, 31(1):  14.  doi:10.3969/j.issn.1009-0479.2015.01.003
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    Inthispaper,theEP2002brakecontrollogicandpneumaticprinciplewereanalyzedbyintroducedEP2002brakesystem structureandthetypeandfunctionofEP2002valve.TheadvantagesofEP2002brakecontrolsysteminurbanrailvehicleapplicationsweregiven.

    StudyonLightningDetectionTechnologyforHighriseBuildings
    LIGuanghuia, SULianpingb, DUANYouyana, TIANTian
    2015, 31(1):  19.  doi:10.3969/j.issn.1009-0479.2015.01.004
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    Withtheacceleratingstepofurbanization,thehighbuildingsinthecityareincreasing.Newnationaldetectiontechnologyspecificationsforlightningdetectionofhighbuildingswereproposedinordertoreduceandpreventlightningrisebuildings.Basedontechnicalspecificationsoflightningprotectiondeviceforbuildings,combinedwithurbanhigh-risebuildingslightningprotectiondevicetestitems.Newnormspreventlightningdetectiontechnologyandimplementationwasintroduced.

    ApplicationofSEL-387inMainTransformerDifferentialProtection
    CHENGYijia1, ZHOUXia2, ZHOUHuilin1, ZHOUShiyi
    2015, 31(1):  24.  doi:10.3969/j.issn.1009-0479.2015.01.005
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    Inthispaper,theapplicationoftheSEL-387microcomputerprotectiondevicewasintroduced,whichwasfordifferentialprotectionofthemaintransformerinKunmingIronadsteelfourorfiveofthetotalstepdownsubstation.ProblemsandsolutionsthatencounteredfromDebuggingtooperationwerestudied.MattersneedingattentionintheapplicationofSEL-387microcomputerprotectiondeviceweregiven.

    AnalysisandComparisonofRailwayCommunicationTransmissionTechnology
    GAOLiangzhang
    2015, 31(1):  28.  doi:10.3969/j.issn.1009-0479.2015.01.006
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    Thispaperintroducesinrailtransitfunctionandrequirementsofcommunicationsystem,discussesthetypesandcharacteristicsofcommonrailtrafficcommunicationtransmissiontechnology,forthetransmissiontechnologyarecomparedandanalyzed,summarizedthespecificapplication,communicationtherailtransittransmissiontechnologyisnotenoughandchoice,andonthedevelopmentoffuturecommunicationtransmissiontechnologytracktrafficwasprospected.

    TechnologiesandPracticeofRockBackfillofUndergroundGoafsinGanZhongTungstenMin
    YANYongming1, HUANGMingqing2, TANWei
    2015, 31(1):  32.  doi:10.3969/j.issn.1009-0479.2015.01.007
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    Tocontrolpotentialmininghazardsinducedbyundergroundgoafs,thewasterockbackfillsystemwasdesignedandconstructedinGanZhongTungstenMine.Thesystemincludesconveyingequipmentsoftramcars,rocktransferbyelectricrakes,haulagenetworkandminingworkings.Totalvolumeof322000m3ineightgobsisefficientlybackfilledwithwasterocksinthepasttwoyears.Fieldeffectsindicatethatbackfillrateis60% ~70%,whichisapplicabletocontrolpotentialhazardssuchasrockmovement,rockburstandsurfacesubsidence.Additionally,backfillconstructionreducestheannualpricesofrockliftandtransportationbysixmillionyuaneveryyear,whichfurtherloweredthelanduseofsurfacedumping.

    TheAnalysisofMiningMethodsClassificationandApplicableConditionsinUltrathinCoal
    QIUYang, LIUCong
    2015, 31(1):  37.  doi:10.3969/j.issn.1009-0479.2015.01.008
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    Inthispaper,theminingmethodoftheexistingultrathincoalseamisclassifiedbasedonthecurrentsituationanalysisanddevelopmenttrendofdomesticthinseamminingtechnology.Theclassificationincludes4dimensions:stopelayoutform,goaftreatment,miningtechnique,andtheworkersquantityintheworkingface.Thefactorsaffectingultra-thinminingmethodswereanalyzedfromcoalseamconditions,equipmentperformance,productionscale,managementlevel,andsoon.Variouscoaldropmethod,roofmanagementandtheapplicableconditionsoftransportationmethodweregiven.Theselectionofminingmethodforcoalseam thicknessin05m~08m and05m belowwasproposed.

    FeasibilityAnalysisofAscendingMiningonSlopeThinCoalSeam atShortRange
    LIUCong1, QIUYang1, LIUTianLong2
    2015, 31(1):  42.  doi:10.3969/j.issn.1009-0479.2015.01.009
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    Inordertoensurethesecurityofascendingmining,thispaperanalyzeandverifythemovementrulesofsurroundingrockswhileminingbasedontherelatedtheoriesandnumericalsimulationaccordingtothepresentminingsituationandoccurrenceofcoalseamofSiMianMiningareainHuaPingCounty.FinallypracticeprovesthatascendingmininginSiMiancoalareaisreasonableineconomyandtechniquesisfeasible,whichcouldprovidereferenceforsimilarmines.

    TheDataIntegrationofVehicleborneLaserScannerandLineCCD
    ZHANGWeihong1, CHENGuoping1, 2, WANGLiuzhao3
    2015, 31(1):  47.  doi:10.3969/j.issn.1009-0479.2015.01.010
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    Amethodofalineararrayofimagedataandlaserpointclouddataintegrationwaspresented.Thismethodnotonlycanusenavigationdatasolveabsolutecoordinatesofthepointcloud,butalsocangettheexteriororientationelementslineararraycamera,andthenthecorrespondingRGBvaluescanbecalculatedfromthelinearimageandfindpointcloudtoachievetheintegrationofpointclouddataandimagedata.Thetestshowedthatthetechnologyandmethodswithoutcorrespondingpointmatchingindataprocessing.Itcanrealizetheintegrationofautomateddataprocessing,integrationofhighprecision,andmeetthedemandsofmobilemeasurementundervariouscomplexconditions.

    SoftwareModeloftheOnlineTestSystem BasedontheUML
    ZHOUShaoJinga, CHENWena, ZHANGWenli
    2015, 31(1):  52.  doi:10.3969/j.issn.1009-0479.2015.01.011
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    serviceburden,realizationpaperlesstesthasbecomeadevelopmenttrendofthecollegetestservice.Withthenetworkpopularizationbymeansofinformatizationmethod,onlinetestismoresigniicantadvantages,butatpresentdomesticonlinetestsystemstherearemanydeficienciesoflessfunctional,poorscalability,toolimitation,testqualityuncertainty,whichisstillabiggapcomparingwiththeonlinetestandnetworkmanagement.Theessayisbasedontheresearchofcollegetestmethod,managementandthenetworktestsystem,carriesontherequirementanalysisandrequirementmodelingtotheonlinetestsystem,andmakesuseofUMLtomodelanddesignforit.ThesystemmodelofB/SstructureusedtheUMLanalysisanddesign,canimprovethesystemstability,reusabilityandmaintainability,andprovidesameansofcommunication.

    EffectofHeatTreatmentafterSteelH13ForgedontheMorphologyandDistributionofCarbide
    ZHANGWenli1, HUXin1, SHIZiyou2, ZHOUYongkun2
    2015, 31(1):  62.  doi:10.3969/j.issn.1009-0479.2015.01.012
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    Inthispaper,itwasdiscoveredthatforgingandspheroidalannealinghaveacertaineffectonimprovingthecarbidesizeanddistributionuniformity.Carbidemorphologyanddistributionofausteniticprecipitationcanbeimprovedbynormalizing,spheroidizingannealing,buttheperformanceofH13isrestrictedbyorganizationinclusionsandeutecticcarbides.Conventionalheattreatmentprocessafterforginghasnoeffectonthedistributionandmorphologyofeutecticcarbides.

    AnalysisofGallium MetalRecoveryProcessofAluminaProductionProcessinaCompany
    TENGYu1, YANGDerong2, WANDuowen2, CHENFuliang1, CHENLisheng1
    2015, 31(1):  71.  doi:10.3969/j.issn.1009-0479.2015.01.014
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    Itisstudiedthatrecoveryandextractionrecycledmotherliquorofthealuminaproductionprocess.Bycomparingmetalgalliumtraditionalrecoveryprocesseswithionresinabsorptionextractionprocess,itisconcludedthattheuseoflowcosthighefficiencyionexchangeresinabsorptionmethodismoreappropriateastheextractionprocess.Itseconomicandsocialbenefitsarealsoforecasted.

    ApplicationofSolventExtractionintheTreatmentofCopperSolution
    HUANGHui
    2015, 31(1):  75.  doi:10.3969/j.issn.1009-0479.2015.01.015
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    Inrecentyears,using“leaching—Extraction—electrowinning”processtoextractortreatmentlowgradecoppermaterialsandindustrialwastewatercontainingcopperhasbeenwidelyused.Thedifferentstructureofvariouscopperextractantcanleadtotheirdifferentperformanceintheprocessofextraction.Inthispaper,copperextractionagentwasdescribed,whichhasbeenappliedinanacidicsystemandtheammoniasystem.Futurestudyshouldfocusonanewextractantofthemixingperformanceofcopperextractantandhighlyefficientandstable.

    Beginningfrom Site:AnalysisoftheArchitectureDesignoftheNo4ComprehensiveExperimentBuildinginDaliUniversityGuchengCampu
    LIWeiBing, WANGRui
    2015, 31(1):  78.  doi:10.3969/j.issn.1009-0479.2015.01.016
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    Agoodarchitecturedesignshouldstartfromthesiteitselfandreflectsthespiritofplace.Inthispaper,thearchitecturaldesignoftheNo4ComprehensiveExperimentBuildinginDaliUniversityGuchengCampuswasusedasacase.Thedesignwasanalyzedfromtheconceptofthesite.Thespiritofplacewasreflectedfromthelandscapeidentity,theculturalinheritanceandinnovationtothecreationanduseofthespace.Anarchitecturaldesignwiththegeniuslociwasexpected.

    IntegratedInstructionalDesignofTheoryandPracticeinConstructionSupervisionCurriculum ofHigherVocationalColleges
    PENGYinxia1, YANGCheng2
    2015, 31(1):  84.  doi:10.3969/j.issn.1009-0479.2015.01.017
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    Abstract:Inthispaper,integratedinstructionaldesignwascarriedoutbyconsideringthequalitycontrol
    ofknowledgeofconstructionengineeringsupervision.Grantingtotheregulationsandresponsibilitiesfor
    thequalityoftheconstructionprocessofsupervisionandmanagement,itwasstudiedthatsupervisorystaff
    washowtodothisworkutilizingtheconstructionprocessofroadsubgradeasthecarrier,andintheend
    deliveredaqualifiedengineer.Intheteachingprocess,ithasbeenfoundthatstudents’interestinlearn
    ing,practicalabilityhasbeengreatlyimproved,theteachingeffectisobvious.

    TheInvestigationoftheElectricalSimulationSystemUsedinRailTransitTeaching
    GAOLiangzhang, ZHONGSijia, TAOMin, LIRuifeng
    2015, 31(1):  89.  doi:10.3969/j.issn.1009-0479.2015.01.018
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    Thepaperanalyzedthestatusquoofrailtransitandlimitationtoestablishpracticeteachingenvironment,toexploredthemethodoforbittrafficofinstruction,summarizestheadvantagesofsimulationtraininginteaching.Atlast,combinedwiththeirownteaching,discussestheelectricalsimulationtrainingsystemapplicationandrealizationofrailtransitteaching,proposedasakindofeffectivetheteachingmodeofelectricalsimulationtrainingsysteminrailtransitapplicationprospectinteaching.