机械类文献翻译薄煤层综采设备的研制及工艺参数优化.docx
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机械类文献翻译薄煤层综采设备的研制及工艺参数优化
【外文文献】1
Thethincoalbedsynthesispickstheequipment
thedevelopmentandthecraftparameteroptimization
MainlydiscussedthethincoalbedsynthesiswhichZaozhuangMiningindustryGroupCompanyindependentlydevelopedtopicktheequipmentinTiantheChenKuangsuccessapplication,andtoitssupplementaryequipmenttechnologicaltransformationsandthetechnicalcharacteristic,theworkingsurfacegeologicalcondition,thesynthesispickedtheequipmentthecraftparameteroptimizationandtheworkingsurfaceworkingprocedurereasonablematchsafeguardtechnologymeasurehascarriedonthethoroughanalysisandtheintroduction.
Becausethethincoalbeditsminingspaceisnarrow,theefficiencyislow,theworkingsurfaceconditionisbad,machineryequipmentnotnecessaryorminingcoalcraftimperfectandsoontechnicalquestions,difficultywithrealizestheminepithighlyeffectiveandthesafetyinproduction.
ZaozhuangMiningindustryGroupCompanyprofitsfromtheexperiencewhichmyguozhongthickabovecoalbedsynthesispicks,pickedthesupplementaryequipmentinthethincoalbedsynthesisthedevelopmentandthecraftparameteroptimizationaspecthascarriedonthebeneficialexploration.InOctober,2003,ore531workingsurfacesequippedinitsTiantheChenhasindependentlydevelopedandtheimprovementthreemachinessupplementaryequipment,hasobtainedthetangibleeffect,realizationmaximumdailyproduction3504t,theaveragemonthproduced89636t,createdtherollerthincoalbedsynthesistopicktheunittoyearlyproduce1,000,000tonnewlevels.Equipsthisworkingsurfaceequipmentfundinvestmentis1088.10Yuan,theequipmentdoesnotinvestintotheequipmentcoalplowsurface1/10.
First,thesynthesispicksthethreemachinesnecessaryandthetechnicalcharacteristic
(1)hydraulicpressuresupport
Accordingtothethincoalbedminingcharacteristic,usesthecomputertocarryonthemovementanalysisoptimizationandtheintensitydesigntothesupportfourlinkmotiongears,satisfiestheworkingcondition,optimizedthesupportstructure:
(1)supportforthesupportshieldtype,hasusedtheoveralltop-beam,twocolumnsupportshassatisfiedthebigexpansionandcontractionrequest;
(2)mainstructuralelementwiththeQ550highstrengthstructuresteelplatemanufacture,reducedthesupportweight.Frontusesweldspreheating,afterweldstheartificialagingweldingcraft,theguaranteestructuralelementweldingquality;
(3)selectsthegreatcurrentcapacityhydraulicpressurepart,enhancesthesupportthespeedofresponse;
(4)reasonablearrangementhydrauliccircuitsystem,hasenlargedthehuman,machinethespace.
ItsdevelopmentZY2400/08/19hydraulicpressuresupporttechnicalcharacteristicisasfollows:
Twocolumnsupportshieldtype,support0.8~1.9m,supportwidth1.43~1.6m,centerdistance1.5m,workingresistance2400kN,supportsandprotectionsintensity0.41~0.46MPa,theadaptationinclinationangleisnotbiggerthanhighly35°,operatingmodeforneighbourcontrol,supportweight6500kg.
(2)coalminingmachine
Unifiesthincoalbedminingthetechnicalcharacteristic,hascarriedonthetransformationtothecoalminingmachinefollowingseveralaspects:
(1)improvementdesignpumpbox,thesolutiongivesoffheatthequestion,satisfiesthesynthesistopicktheoperationpercentagehighoperatingmodeneed;
(2)designsagroupoftaperingspindlerockingshaftspecially,causesthedrumcirclediametertoreduce,increasestheleafbladealtitudecorrespondingly,doesaninsidejobthequantityrequestsatisfiedly;
(3)optimizeddrumdesign,increasestheleafbladespiralangleofclimbingreasonably,theimprovementcoalingeffect;
(4)decreasesthefuselagesuitablyhighly(824mm),coalminingmachineeachbigjointplacehasmadethecorrespondingimprovement.
AfterthetransformationcoalminingmachineMG200-BW2technicalcharacteristicisasfollows:
Pickshighscope1.0~2.0m,theadaptationinclinationangleisnotbiggerthan35°,theadaptationcoefficientofhardnessf≤3.5,drumdiameter800/1000mm,machinesurfacealtitude824mm,doesaninsidejobmeasures91mm,thehaulingwayforthenon-chainhauling,biggestforceoftraction250kN,haulingspeed0~6.14m/min,installingequipmentpower200kW,voltagerank660/1140V,machinegrossweight15t,machinetotallength7858mm.
(3)scraperconveyer
Mainlyhascarriedonthetransformationtothescraperconveyerinfollowingseveralaspects:
(1)hasusedinthethincoalbedscraperconveyerthedoublestrandtransmissionstructure,losesthecoalconditiontobeabletoimprove;
(2)homeforthefirsttimeusedmiddlethe22Etroughsectiononthethincoalbedscraperconveyer,thecompletemachinerigidity,theintensityhadenhancesgreatly;
(3)reducesthenose,theairplanetailtroughhighly(isexcessively430mm),improvedthecoalminingmachinetothenose,theairplanetailcoalwallcuttingcondition;
(4)strengthenedtheshovelboard,thecabletankframe,thehaulingplatoonhassoldandsoonplacethejointstructure.
AfterthetransformationscraperconveyerSGZ-630/220technicalcharacteristicisasfollows:
Completedlength170m,thetransportationmeasures450t/h,theinstallingequipmentpower2×110kW,scraperchainfast1.07m/s,tightchainwayforbrakedisctightchain.
Second,workingsurfacegeologicalcondition
Thedevelopmentsynthesispickstheequipmentore531workingsurfacestoapplyforthefirsttimeinTiantheChen,theworkingsurfacemovestowardsthelongwalltypearrangement,movestowardsthelengthis950m,theinclinedlengthis156m,coalbedthickness0.4~3.0m,average1.25m,coefficientofhardnessf=2,thecoalbedinclinationangle10°~15°,average13°,reserves283,400t.Coaldustexplosionindex31.9%,isthestrongexplosivecoalbed.Theworkingsurfacehasthemudstonefalseroofpartially,thick0~1.8m,softeasytobrave,itsupsidedividesintotheirongreythinsilicarenite,aboutitslowerpartlaminationthick1.5mforgoesagainstdirectly,aboveforaveragethickness33.5m,hard,thecrevassegrowthalwaysgoesagainst.Theledgerwallpartiallyhas0.1~0.4mcharcoalmudstone,thedirectbottomisthepessimisticsiltstone,thick2.6m,theinsandoutsarethepessimisticnovaculite,hard,thebeddingisclear,thickness16m.
North531workingsurfacesarelocatedfivepicklowerpartthearea,thetrackdescendsamountaintheleftwing,groundtable+45m,mineshaftelevation-722m~-768m,thegeologicalconditioniscomplex,tunnelingperiodexpositionfault8,aboveinwhich1.0mfault4,theF6reversedfaultdroppingvarianceis4.0m,alsohasstripwidth20m,extendsthe220mwashzonealongthetrendtopassthroughtheentireworkingsurface.
Third,workingsurfacecraftparameteroptimization
Theworkingsurfacereasonablecraftparameterdetermination,isthesynthesispicksthesupplementaryequipmenttorealizetheworkingsurfacehighproductionfoundation.
(1)sectionofdeepchoice
Theoverallevaluationcoalminingmachinepower,theanthraxcoefficientofhardness,coalbedthicknessandpickhigh,theroofjointinggrowthsituation,thesupportpressforcingcrispcoalfactordefinitetruncationdepthandsoonwalldepth,supportsupportsandprotectionsway.Throughanalyzestheworkingsurfacegeologicalconditionandtheequipmentnecessarysituationearnestly,thedefinitetruncationdepthis0.6m.Whenroofjointinggrowth,cave-inofsidesofaminetunnelserious,eachknifetriestobreakupafightwhencarriesonsupportsandprotectsinadvance,enhancesthecirculationperunitareayield.
(2)coalminingmachinehaulingspeedVdetermination(formulaomitted)
(3)supportsandprotectionswithmovesaway
Usesaneighbouroperation,promptsupportsandprotections.Intheminingcoalmachinecutfromnowon,firstwillmovethesupporttosupporttheroof,thenwillagainmovetheconveyer.Theunioncoalbedthicknessgraspinglengtheningbarexpandsandcontractsthescope,inordertoandsupportsandprotectstheroofhighlybythereasonableframeposition.Whenroofsituationpermission,movesinturnandseparatestheframetomovetounify,guaranteedmovesaspeedtosatisfythecoalminingmachinecoalcuttingspeed,realizescontinuouslythefastcoalcuttingneed.
(4)coalminingmachinefeedway
UsestheMG200-BW2coalminingmachinetofallthecoal,unidirectionalminingcoal,middlebevellingfeed.Thefirstdrumshearsgoesagainstthecoal,thelatterdrumshearsthebottomcoal,fromnotching.
Fourth,workingsurfaceworkingprocedurematchsafeguardmeasure
Thethincoalbedsynthesispickstheworkingsurfacereasonablecraftparametertheeffectivesafeguard,mainlyincludestheworkingsurfaceeachtransportationlinktheintercoordinationandtheover-loadprotection,thelongdistancecommunicationdirection,theworkingsurface“threestraightoneeven”andthegeologicstructurecontrolmeasure,coalminehasusedthehomemostadvancedTK-200communicationcontrolsystemforthisTiantheChen,strengthenedtheworkingsurfaceproductionmanagement,hadguaranteedtheworkingsurfacevariousworkingproceduresbestmatch,reducedtheworkingsurfacefailureratelargescale,enablestheworkingsurfaceoperationpercentagetoachieveabove90%.
(1)TK-200communicationcontrolsystemapplication
(1)systemcomposition
TheTK-200communicationcontrolsystembytheTK110workingsurfacecontroller,theTK120powersource,theTJ100mineralproductelectriccurrentdetectorset,theTK130microtelephone,theTK130Cmulti-purposetelephones,theTK150intelligentterminal,theTK150EintelligencecouplerandtheTK130-Xfivecorebeltshieldmineralprodu