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

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