机械类文献翻译MDL50A型锚固钻机使用说明书.docx

机械类文献翻译MDL50A型锚固钻机使用说明书.docx

《机械类文献翻译MDL50A型锚固钻机使用说明书.docx》由会员分享，可在线阅读，更多相关《机械类文献翻译MDL50A型锚固钻机使用说明书.docx（30页珍藏版）》请在冰豆网上搜索。

机械类文献翻译MDL50A型锚固钻机使用说明书

MDL-50ADrillingRigOperation

Chinaistheworld'sfirstnationalmachinerydevelopment.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.Pointingfromthewalkinginthedomesticthehydraulicroofboltermainlyhastwokinds–skidandcrawler.StructureofskidhydraulicRoofbolterissimple,butthestrengthishigher,operationissimple,manufacturingcostisrelativelylow.SuchasWuxidual-fanproductionofYG-80,ChengduHammaproductionofYXZ-70,ChongqingprospectingplantproductionofMGJ-50etc…Holingmaintechnologyisdoubleeccentric,commonlyusedindrillpipeisΦ73,Φ89,accordingtodifferentdesignofjackettubedrillpipecommonlyuseΦ108,Φ127,Φ146etcspecifications.Theyneedtobeequippedwithproperaircompressortodrivenimpactpower,becausethebottomofimpactalwaysroleinthehole,sooftenbecalledas"blow".Anti-floatinganchor,excavation,soilnailwallsupportarewidelyusedinworkersoftheconstructionprocess.Buttheyaremovingheavy,functionsingle,andincreasedwiththeprocessingcosts,muchhigherandhigherbuildings,thiskindoftypehasbeenunabletomeettheneedsofthemarket.Soanchorboltdrillandtrackedautomaticallywalkinggotquicklydevelopment.Inthedomestictherearemanytypesofthecrawlerroofbolter,whichfeaturesinthemainpowerheadadoptsthehightorquemotordrive,speedrangeusuallyisvariablespeed.Theyaregreatlyimprovingtherigperformance.Thetrackisdrivenbyahydraulicmotor,whichmadethedrillingmachinemoreflexibilityandreducesthecomplexoftheartificialjoint.Thistypeofdrillalsoadoptedthe"attack"mode,suchastheOrientalindustrialproductionofDF-3000,XuanhuaIngersoll-RandproductionofCM-351.Thistypeofdrillsamewiththeslidedrillonthepullingsleevealsoneedbeequippedwithauxiliaryequipmentandotherauxiliaryequipment.InChinathereisakindofdoubleanchorrigpowerheadroofbolter,characteristicofthiskindofdrillrigisdrillpipeandcasingaredrivenrotationbyeachpowerhead,anddonotinfluenceeachother,pullcasingcanbedoneautomaticallybythemachine.

Everyrigallhavetheyownoperationmanual.ThefollowisMDL-50ADrillingRigoperationmanual.

1.Preface

Thecompanyhasadopteditslatestassemblingtechnologyforallmainpartsandcomponentsofthisproduct.Andtherigiscompletedwithchassisforpretrialandpipewrenchandotheraccessories,whichthere-designedfullynewhydraulicsystemincorporatesintooneentity.Keyelementsareallrenownedbrandseitherlocalorimported,andarefullyhydraulicallycontrolledanddisplayedthroughinstruments.Thedrillingrigiseasyandflexibleofoperationandhashighworkingefficiencyandsowellmeetstherequirementsbythecustomer.

MDL-50ADrillingRigisanewtypefullyhydrauliclong-strokeanchoreddrilling-rigforengineeringpurposesdevelopedandmanufacturedbyJiangsuWuxiMineralExplorationMachineryGeneralFactoryCo.LTD（formerlyJiangsuWuxiMineralExplorationMachineryGeneralFactory）.

MDL-50ADrillingRigisahydraulicallycontrolled,anchoredpowerheadengineeringdrill.Itsoverallweightisunder4000kg,ismainlyfortheanchoringengineeringofcoastanddangerousrock/cliffmassforgeologicaldisasterpreventionactivity,andtheanchoringengineeringofrockbodyetctocontroldisplacementofbuildings,andalsoforsupportingofdeep-foundationpitandgroundworkreinforcingengineeringinurbanconstructionsite,forblowingupengineeringorblowingupholeetc.ButtheDrillingRigisn’tsuitableforanchoringengineeringofhigh-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.

3）Optimizedheatdiffusionsysteminthelightofcustomer’splantconditionstoensurethatthemaxtemperatureinthehydraulicsystemdoesnotexceed70℃whenoutdoorstemperaturereaches50℃.

4）Powerheadofthedrillingrighasbigtorqueandlongstrokewithhighdrillingefficiency,whichgreatlyenhancesworkingefficiency.Fittedwithdevicesformechanicallymounting/dismountingdrillingrodtoreducetheoperators’laborintensity.

2.TechnicalSpecification

Maindrillingmodeofthisproductis:

conventionaldrilling,alloybitdrilling,andspiraldrilling

1）Holedia.（mm）：

φ85-φ160

2）Holedepth（m）：

40-60

4）Boringangle（°）：

-15-90

5）Ratedspeed（r/min）：

12、25、45、60、90、125

6）Ratedliftcapacity（kN）：

42.5kN

7）Ratedpulldowncapacity（kN）：

25kN

8）Feedstroke（mm）：

1800

9）Dynamic：

Motor，18.5kw+11kw+1.5kw

10）Weight（kg）：

4000

11）Shape（L×W×H，mm）：

4200×2000×7200

12）Plumbcondition：

3800×1800×3600

13）Transportstate：

3800×1800×2000

3.StructureoftheDrillingRig

MDL-50Adrillingrigcomprisesofthefollowingmaincomponents:

（1）Thepowerassembly

Thepowermoduleismadeupofthreeelectricmotorswhichrespectivelydrivethreesetsofpumps.Amongthem,onegroupisadoublegearpump.Thebigoneisresponsiblefordrillingquicklyofthedrill;andthesmalloneisresponsibleforthemovementandthesupportofonesideofcrutchaswellasthemedium-speed,low-speeddrilling.Onesetofpumpisresponsibleforthemovementandthesupportofanothersideofcrutchandthemedium-speeddrillingaswellasthequicklyliftofthepowerhead.Thelastsetofpumpisresponsiblefortheriseofthetower.Whenyoustartoperatingthedrill,youshouldnoticetherotateddirectionofthreeelectricmotors,itsturningshouldbeidenticalwiththeredarrowonthepumporthebackshellofthemotors,orthedrillcan'tworknormally.

（2）Thepowerheadassembly

PowerheadofMDL-50AtypedrillingrigisdrivenbyDoublehydraulicmotorthroughgearboxtransmissionandspeedregulating,anditdrivesthemainshaftandforeenddrillingrodconnectiontoturninpositive/reversedirections,therebydrivingthedrillingbitsbelow.

Inthepowerheadboxisstoredgearoil.Wheninoperationbesuretochecktheoillevelfromtimetotimetoseethereissufficientoil.Onthesideoftheboxisfittedanoillevelthreadedplug.Justbyraisingthemasttoverticalpositionandlooseningtheoillevelscrewyoucanchecktheoillevel.

Theup/downmotionofthepowerheadiseffectedbytherollerassemblybeneathit,whichisdrivenbythechains.Afterthedrillingrighasworkedforaperiodof