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MDL50A型锚固钻机使用说明书1MDL50ADrillingRigOperationChinaistheworldsfirstnationalmachinerydevelopment.ChinesemechanicalengineeringtechnologynotonlyhasalonghistoryandsplendidachievementsinChineseisnotonlythematerialcultureandsocialeconomicdevelopmentplaysanimportantroleintheworld,andhasmadegreatcontributiontopromotetheprogressoftechnologycivilization.Machineinthetraditional,ourcountrywithinalongperiodareleadingintheword.Inmoderntimes,especiallyfromtheearly18thcentury,tothe19century40s,duetotheeconomicandsocialandmanyotherreasons,themachineryindustryofChinesewasstagnation,butthe100yearsiswesternbourgeoispoliticalrevolutionandindustrialrevolutiontime,mechanicalscienceandtechnologyisdevelopingrapidly,andfarmorethanthelevelofChina.So,Chinamechanicaldevelopmentlevelandthewesterngapwidens,tothe19thcenturymiddle,ourcountryalreadybehindwesternmorethanonehundredyears.Overthepast40years,roofbolterofChinaaredevelopingfromnothing,insomeplacesroofbolterwerealsocalledanchorrig,thevarietiesfromtheoriginalsingletovariety,fromsinglepowertomultiplepower.Ourcountrysuccessivelyhasdevelopedamechanicalsupportlegtypeelectricroofbolter,drillroofbolter,supportinglegandtheguiderailtypehydraulicpressureroofbolter,supportinglegtypepneumaticroofbolter,nonmechanicaltransmissionsupportlegelectricroofbolter,airborneroofbolteranddoublestageAirlegdrilletc..Accordingtothemainpowersource,roofbolterhastwokindsPneumaticandhydraulic.Butelectrohydrauliccombinationwillbethetrendofitsdevelopment.Overthepast40years,roofbolterofChinaaredevelopingfromnothing,insomeplacesroofbolterwerealsocalledanchorrig,thevarietiesfromtheoriginalsingletovariety,fromsinglepowertomultiplepower.Ourcountrysuccessivelyhasdevelopedamechanicalsupportlegtypeelectricroofbolter,drillroofbolter,supportinglegandtheguiderailtypehydraulicpressureroofbolter,supportinglegtypepneumaticroofbolter,nonmechanicaltransmissionsupportlegelectricroofbolter,airborneroofbolteranddoublestageAirlegdrilletc..Accordingtothemainpowersource,roofbolterhastwokindsPneumaticandhydraulic.Hydraulicroofbolterismainlycomponentofthemediumofhydraulicoilandthedriveactuatorwitchisincludingcylinderandmotor.Pointingfromthewalkinginthedomesticthehydraulicroofboltermainlyhastwokinds–skidandcrawler.StructureofskidhydraulicRoofbolterissimple,butthestrengthishigher,operationissimple,manufacturingcostisrelativelylow.SuchasWuxidualfanproductionofYG80,ChengduHammaproductionofYXZ70,ChongqingprospectingplantproductionofMGJ50etcHolingmaintechnologyisdoubleeccentric,commonlyusedindrillpipeisΦ73,Φ89,accordingtodifferentdesignofjackettubedrillpipecommonlyuseΦ108,Φ127,Φ146etcspecifications.Theyneedtobeequippedwithproperaircompressortodrivenimpactpower,becausethebottomofimpactalwaysroleinthehole,sooftenbecalledasblow.Antifloatinganchor,excavation,soilnailwallsupportarewidelyusedinworkersoftheconstructionprocess.Buttheyaremovingheavy,functionsingle,andincreasedwiththeprocessingcosts,muchhigherandhigherbuildings,thiskindoftypehasbeenunabletomeettheneedsofthemarket.Soanchorboltdrillandtrackedautomaticallywalkinggotquicklydevelopment.Inthedomestictherearemanytypesofthecrawlerroofbolter,whichfeaturesinthemainpowerheadadoptsthehightorquemotordrive,speedrangeusuallyisvariablespeed.Theyaregreatlyimprovingtherigperformance.ThetrackisdrivenbyMDL50A型锚固钻机使用说明书2ahydraulicmotor,whichmadethedrillingmachinemoreflexibilityandreducesthecomplexoftheartificialjoint.Thistypeofdrillalsoadoptedtheattackmode,suchastheOrientalindustrialproductionofDF3000,XuanhuaIngersollRandproductionofCM351.Thistypeofdrillsamewiththeslidedrillonthepullingsleevealsoneedbeequippedwithauxiliaryequipmentandotherauxiliaryequipment.InChinathereisakindofdoubleanchorrigpowerheadroofbolter,characteristicofthiskindofdrillrigisdrillpipeandcasingaredrivenrotationbyeachpowerhead,anddonotinfluenceeachother,pullcasingcanbedoneautomaticallybythemachine.Everyrigallhavetheyownoperationmanual.ThefollowisMDL50ADrillingRigoperationmanual.1.PrefaceThecompanyhasadopteditslatestassemblingtechnologyforallmainpartsandcomponentsofthisproduct.Andtherigiscompletedwithchassisforpretrialandpipewrenchandotheraccessories,whichtheredesignedfullynewhydraulicsystemincorporatesintooneentity.Keyelementsareallrenownedbrandseitherlocalorimported,andarefullyhydraulicallycontrolledanddisplayedthroughinstruments.Thedrillingrigiseasyandflexibleofoperationandhashighworkingefficiencyandsowellmeetstherequirementsbythecustomer.MDL50ADrillingRigisanewtypefullyhydrauliclongstrokeanchoreddrillingrigforengineeringpurposesdevelopedandmanufacturedbyJiangsuWuxiMineralExplorationMachineryGeneralFactoryCo.LTDformerlyJiangsuWuxiMineralExplorationMachineryGeneralFactory.MDL50ADrillingRigisahydraulicallycontrolled,anchoredpowerheadengineeringdrill.Itsoverallweightisunder4000kg,ismainlyfortheanchoringengineeringofcoastanddangerousrock/cliffmassforgeologicaldisasterpreventionactivity,andtheanchoringengineeringofrockbodyetctocontroldisplacementofbuildings,andalsoforsupportingofdeepfoundationpitandgroundworkreinforcingengineeringinurbanconstructionsite,forblowingupengineeringorblowingupholeetc.ButtheDrillingRigisntsuitableforanchoringengineeringofhighedgeslopeordangerousrockbody.MDL50ADrillingRigpossessesthecharacteristicsofstableperformance,highworkingefficiency,multiplyusage,aswellasthecapabilityofdrillingsophisticatedstratumandhandlingaccidentsetc.Thisdrillingrig,deployedbycommonalloydrilltoolsorotherdrilltools,canperformrevolvinganddrilling.Intherigidrockstratum,thedrillingrigdeploysthespheroiddrillbittoperformstrikingandrevolvinganddrillingtohavehighspeedboredholeifdeployedwithaircompressorandpneumaticintheholehammer,andacceptedthecannulafolloweddrilltools,thedrillingrigcandrilltheholewithcannulatogetherinthoseunstablestratumsuchasconglomeratestratum.Followingarethemainfeaturesofthedrillingrig1)Compactinstructure,fullyhydraulicallycontrolled,easyandflexibleofoperationandeasytomove,goodmobility,timesavingandenergysaving.2)Fittedwithexclusivedrillingfollowupdevicesdrillrod,thimble,andeccentricdrillbitetc.Whendrillinginunstablestratumthimblecanbeusedatcollaringandtheholecanbefinishedwithconventionalballteethbittoachievegooddrillingefficiencyandgoodqualityholes.MDL50A型锚固钻机使用说明书33)Optimizedheatdiffusionsysteminthelightofcustomersplantconditionstoensurethatthemaxtemperatureinthehydraulicsystemdoesnotexceed70℃whenoutdoorstemperaturereaches50℃.4)Powerheadofthedrillingrighasbigtorqueandlongstrokewithhighdrillingefficiency,whichgreatlyenhancesworkingefficiency.Fittedwithdevicesformechanicallymounting/dismountingdrillingrodtoreducetheoperatorslaborintensity.2.TechnicalSpecificationMaindrillingmodeofthisproductisconventionaldrilling,alloybitdrilling,andspiraldrilling1Holedia.(mm)φ85φ1602Holedepth(m)40604Boringangle(°)15905Ratedspeed(r/min)12、25、45、60、90、1256Ratedliftcapacity(kN)42.5kN7Ratedpulldowncapacity(kN)25kN8Feedstroke(mm)18009DynamicMotor,18.5kw11kw1.5kw10Weight(kg)400011ShapeLWH,mm42002000720012Plumbcondition38001800360013Transportstate3800180020003.StructureoftheDrillingRigMDL50Adrillingrigcomprisesofthefollowingmaincomponents(1)ThepowerassemblyThepowermoduleismadeupofthreeelectricmotorswhichrespectivelydrivethreesetsofpumps.Amongthem,onegroupisadoublegearpump.Thebigoneisresponsiblefordrillingquicklyofthedrillandthesmalloneisresponsibleforthemovementandthesupportofonesideofcrutchaswellasthemediumspeed,lowspeeddrilling.Onesetofpumpisresponsibleforthemovementandthesupportofanothersideofcrutchandthemediumspeeddrillingaswellasthequicklyliftofthepowerhead.Thelastsetofpumpisresponsiblefortheriseofthetower.Whenyoustartoperatingthedrill,youshouldnoticetherotateddirectionofthreeelectricmotors,itsturningshouldbeidenticalwiththeredarrowonthepumporthebackshellofthemotors,orthedrillcantworknormally.(2)ThepowerheadassemblyPowerheadofMDL50AtypedrillingrigisdrivenbyDoublehydraulicmotorthroughgearboxtransmissionandspeedregulating,anditdrivesthemainshaftandforeenddrillingrodconnectiontoturninpositive/reversedirections,therebydrivingthedrillingbitsbelow.Inthepowerheadboxisstoredgearoil.Wheninoperationbesuretochecktheoillevelfromtimetotimetoseethereissufficientoil.Onthesideoftheboxisfittedanoillevelthreadedplug.Justbyraisingthemasttoverticalpositionandlooseningtheoillevelscrewyoucanchecktheoillevel.Theup/downmotionofthepowerheadiseffectedbytherollerassemblybeneathit,whichisdrivenbyMDL50A型锚固钻机使用说明书4thechains.Afterthedrillingrighasworkedforaperiodoftimetherewillbeacertainamountofrockingmotionbecausetherollerassemblywillhaveworn.Nowisthetimetoloosenthelockingnutandturnthefixingscrewoftherollerassemblytoadjusttheslidingclearancebetweenthebottomandtheside,thenretightenthenut.Onlybesureyoudonottightenthewearresistantplateexcessively.(3)ThepropellingrackassemblyThisassemblyispartoftheorificesupportingdevice,powerheadassemblyandpressurizingelevationassembly.(4)ThepretrialchassisWiththepretrialfittedonitispossibletoeffectthedrillingrigsforward/backwardmovementandturningandlevelingthroughcontrollingtheproportionalpump.andthatiswhythedrillingrigcanmoveeasily,hasgoodmobilityandistimesavingandenergysaving.(5)ThehydraulicsystemWorkingoilpumps,valves,executionelementsandpipefittingsofthehydraulicsystemofMDL50drillingrigaremostlyimportedfinequalityparts,ensuringagoodworkingperformance.(6)TheelectricalsystemAsthedrillingrigisnotequippedwithpowergeneratoranexternalthreephaseACpowersupplyhastobeconnectedtothecontrolcabinet.Themotorisstartedintheplanetarytrianglemodeforthesakeofreducingstartingcurrent.Totalinputpoweroftheelectricalcabinetis45kW.Thecabinetisfittedwithleakageprotectionswitchassafetydevice,whichalsoservesasexcessivevoltageprotectionforthehydraulicsystemandforvariouskindsofwarningsignalsforusertobeawareoftherigsinstantstatus.Beforestartingbesuretocheckthecabinetsearthconnectiontoseeitissecurelydone.Unqualifiedpersonnelarenotallowedtodoanycheckupormaintenance,failingthatthepersonwillhavetobeartheconsequences.4.OperationPointsforattentioninthepreparationbeforestartingtherig1.1Thedrillshouldbeinstalledontheflatground.1.2Besuretotightenalltheconnections.Incaseofanylooseningbesuretotightenupandmakeproperadjustments.1.3Checkingeachpartifitgetstuckornot,checkingeachshieldandoilpipewhetheritisinstalledcorrectly.1.4Checkingwhetherthejoystickisonthecloseposition,makesureitisnotonworkingtopreventanyaccident.1.5Checkingwhethereachconnectionofvittaisfast,ifitisloose,adjustingit.1.6Checkingtheoilifitisenoughtoachievethesettledlevel,andmakingsurethatinletvalveandoutletvalveison.1.7Cleanupthesurfacesofallpartsandcomponentsoftherig.Applylubricantsoil/greasetoalllubricationnozzlesandslidingparts.1.8Whileusingtheelectromotor,payingattentiontoitsturning,itsturningshouldbeidenticalwiththe
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