MDL-50A型錨固鉆機使用說明書-1-MDL-50ADrillingRigOperationChinaistheworldsfirstnationalmachinerydevelopment.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,non-mechanicaltransmissionsupportlegelectricroofbolter,airborneroofbolteranddouble-stageAir-legdrilletc.Accordingtothemainpowersource,roofbolterhastwokinds-Pneumaticandhydraulic.Butelectro-hydrauliccombinationwillbethetrendofitsdevelopment.Overthepast40years,roofbolterofChinaaredevelopingfromnothing,insomeplacesroofbolterwerealsocalledanchorrig,thevarietiesfromtheoriginalsingletovariety,fromsinglepowertomultiplepower.Ourcountrysuccessivelyhasdevelopedamechanicalsupportlegtypeelectricroofbolter,drillroofbolter,supportinglegandtheguiderailtypehydraulicpressureroofbolter,supportinglegtypepneumaticroofbolter,non-mechanicaltransmissionsupportlegelectricroofbolter,airborneroofbolteranddouble-stageAir-legdrilletc.Accordingtothemainpowersource,roofbolterhastwokinds-Pneumaticandhydraulic.Hydraulicroofbolterismainlycomponentofthemediumofhydraulicoilandthedriveactuatorwitchisincludingcylinderandmotor.Pointingfromthewalkinginthedomesticthehydraulicroofboltermainlyhastwokindsskidandcrawler.StructureofskidhydraulicRoofbolterissimple,butthestrengthishigher,operationissimple,manufacturingcostisrelativelylow.SuchasWuxidual-fanproductionofYG-80,ChengduHammaproductionofYXZ-70,ChongqingprospectingplantproductionofMGJ-50etcHolingmaintechnologyisdoubleeccentric,commonlyusedindrillpipeis73,89,accordingtodifferentdesignofjackettubedrillpipecommonlyuse108,127,146etcspecifications.Theyneedtobeequippedwithproperaircompressortodrivenimpactpower,becausethebottomofimpactalwaysroleinthehole,sooftenbecalledasblow.Anti-floatinganchor,excavation,soilnailwallsupportarewidelyusedinworkersoftheconstructionprocess.Buttheyaremovingheavy,functionsingle,andincreasedwiththeprocessingcosts,muchhigherandhigherbuildings,thiskindoftypehasbeenunabletomeettheneedsofthemarket.Soanchorboltdrillandtrackedautomaticallywalkinggotquicklydevelopment.Inthedomestictherearemanytypesofthecrawlerroofbolter,whichfeaturesinthemainpowerheadadoptsthehightorquemotordrive,speedrangeusuallyisvariablespeed.Theyaregreatlyimprovingtherigperformance.ThetrackisdrivenbyMDL-50A型錨固鉆機使用說明書-2-ahydraulicmotor,whichmadethedrillingmachinemoreflexibilityandreducesthecomplexoftheartificialjoint.Thistypeofdrillalsoadoptedtheattackmode,suchastheOrientalindustrialproductionofDF-3000,XuanhuaIngersoll-RandproductionofCM-351.Thistypeofdrillsamewiththeslidedrillonthepullingsleevealsoneedbeequippedwithauxiliaryequipmentandotherauxiliaryequipment.InChinathereisakindofdoubleanchorrigpowerheadroofbolter,characteristicofthiskindofdrillrigisdrillpipeandcasingaredrivenrotationbyeachpowerhead,anddonotinfluenceeachother,pullcasingcanbedoneautomaticallybythemachine.Everyrigallhavetheyownoperationmanual.ThefollowisMDL-50ADrillingRigoperationmanual.1.PrefaceThecompanyhasadopteditslatestassemblingtechnologyforallmainpartsandcomponentsofthisproduct.Andtherigiscompletedwithchassisforpretrialandpipewrenchandotheraccessories,whichthere-designedfullynewhydraulicsystemincorporatesintooneentity.Keyelementsareallrenownedbrandseitherlocalorimported,andarefullyhydraulicallycontrolledanddisplayedthroughinstruments.Thedrillingrigiseasyandflexibleofoperationandhashighworkingefficiencyandsowellmeetstherequirementsbythecustomer.MDL-50ADrillingRigisanewtypefullyhydrauliclong-strokeanchoreddrilling-rigforengineeringpurposesdevelopedandmanufacturedbyJiangsuWuxiMineralExplorationMachineryGeneralFactoryCo.LTD(formerlyJiangsuWuxiMineralExplorationMachineryGeneralFactory).MDL-50ADrillingRigisahydraulicallycontrolled,anchoredpowerheadengineeringdrill.Itsoverallweightisunder4000kg,ismainlyfortheanchoringengineeringofcoastanddangerousrock/cliffmassforgeologicaldisasterpreventionactivity,andtheanchoringengineeringofrockbodyetctocontroldisplacementofbuildings,andalsoforsupportingofdeep-foundationpitandgroundworkreinforcingengineeringinurbanconstructionsite,forblowingupengineeringorblowingupholeetc.ButtheDrillingRigisntsuitableforanchoringengineeringofhigh-edgeslopeordangerousrockbody.MDL-50ADrillingRigpossessesthecharacteristicsofstableperformance,highworkingefficiency,multiplyusage,aswellasthecapabilityofdrillingsophisticatedstratumandhandlingaccidentsetc.Thisdrillingrig,deployedbycommonalloydrilltoolsorotherdrilltools,canperformrevolving-and-drilling.Intherigidrockstratum,thedrillingrigdeploysthespheroiddrillbittoperformstrikingandrevolvinganddrillingtohavehigh-speed-boredhole；ifdeployedwithair-compressorandpneumaticin-the-holehammer,andacceptedthecannula-followeddrilltools,thedrillingrigcandrilltheholewithcannulatogetherinthoseunstablestratumsuchasconglomeratestratum.Followingarethemainfeaturesofthedrillingrig:1）Compactinstructure,fullyhydraulicallycontrolled,easyandflexibleofoperationandeasytomove,goodmobility,time-savingandenergy-saving.2）Fittedwithexclusivedrillingfollow-updevices(drillrod,thimble,andeccentricdrillbitetc).Whendrillinginunstablestratumthimblecanbeusedatcollaringandtheholecanbefinishedwithconventionalballteethbittoachievegooddrillingefficiencyandgoodqualityholes.MDL-50A型錨固鉆機使用說明書-3-3）Optimizedheatdiffusionsysteminthelightofcustomersplantconditionstoensurethatthemaxtemperatureinthehydraulicsystemdoesnotexceed70whenoutdoorstemperaturereaches50.4）Powerheadofthedrillingrighasbigtorqueandlongstrokewithhighdrillingefficiency,whichgreatlyenhancesworkingefficiency.Fittedwithdevicesformechanicallymounting/dismountingdrillingrodtoreducetheoperatorslaborintensity.2.TechnicalSpecificationMaindrillingmodeofthisproductis:conventionaldrilling,alloybitdrilling,andspiraldrilling1)Holedia.（mm）：85-1602)Holedepth（m）：40-604)Boringangle（）：-15-905)Ratedspeed（r/min）：12、25、45、60、90、1256)Ratedliftcapacity（kN）：42.5kN7)Ratedpulldowncapacity（kN）：25kN8)Feedstroke（mm）：18009)Dynamic：Motor，18.5kw+11kw+1.5kw10)Weight（kg）：400011)Shape(LWH，mm)：42002000720012)Plumbcondition：38001800360013)Transportstate：3800180020003.StructureoftheDrillingRigMDL-50Adrillingrigcomprisesofthefollowingmaincomponents:（1）ThepowerassemblyThepowermoduleismadeupofthreeelectricmotorswhichrespectivelydrivethreesetsofpumps.Amongthem,onegroupisadoublegearpump.Thebigoneisresponsiblefordrillingquicklyofthedrill；andthesmalloneisresponsibleforthemovementandthesupportofonesideofcrutchaswellasthemedium-speed,low-speeddrilling.Onesetofpumpisresponsibleforthemovementandthesupportofanothersideofcrutchandthemedium-speeddrillingaswellasthequicklyliftofthepowerhead.Thelastsetofpumpisresponsiblefortheriseofthetower.Whenyoustartoperatingthedrill,youshouldnoticetherotateddirectionofthreeelectricmotors,itsturningshouldbeidenticalwiththeredarrowonthepumporthebackshellofthemotors,orthedrillcantworknormally.（2）ThepowerheadassemblyPowerheadofMDL-50AtypedrillingrigisdrivenbyDoublehydraulicmotorthroughgearboxtransmissionandspeedregulating,anditdrivesthemainshaftandforeenddrillingrodconnectiontoturninpositive/reversedirections,therebydrivingthedrillingbitsbelow.Inthepowerheadboxisstoredgearoil.Wheninoperationbesuretochecktheoillevelfromtimetotimetoseethereissufficientoil.Onthesideoftheboxisfittedanoillevelthreadedplug.Justbyraisingthemasttoverticalpositionandlooseningtheoillevelscrewyoucanchecktheoillevel.Theup/downmotionofthepowerheadiseffectedbytherollerassemblybeneathit,whichisdrivenbyMDL-50A型錨固鉆機使用說明書-4-thechains.Afterthedrillingrighasworkedforaperiodoftimetherewillbeacertainamountofrockingmotionbecausetherollerassemblywillhaveworn.Nowisthetimetoloosenthelockingnutandturnthefixingscrewoftherollerassemblytoadjusttheslidingclearancebetweenthebottomandtheside,thenre-tightenthenut.Onlybesureyoudonottightenthewear-resistantplateexcessively.（3）ThepropellingrackassemblyThisassemblyispartoftheorifice-supportingdevice,powerheadassemblyandpressurizingelevationassembly.（4）ThepretrialchassisWiththepretrialfittedonitispossibletoeffectthedrillingrigsforward/backwardmovementandturningandlevelingthroughcontrollingtheproportionalpump.andthatiswhythedrillingrigcanmoveeasily,hasgoodmobilityandistime-savingandenergy-saving.（5）ThehydraulicsystemWorkingoilpumps,valves,executionelementsandpipe-fittingsofthehydraulicsystemofMDL-50drillingrigaremostlyimportedfinequalityparts,ensuringagoodworkingperformance.（6）TheelectricalsystemAsthedrillingrigisnotequippedwithpowergeneratoranexternalthree-phaseACpowersupplyhastobeconnectedtothecontrolcabinet.Themotorisstartedintheplanetarytrianglemodeforthesakeofreducingstartingcurrent.Totalinputpoweroftheelectricalcabinetis45kW.Thecabinetisfittedwithleakageprotectionswitchassafetydevice,whichalsoservesasexcessivevolt