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1、IntroductionaboutMJ400waterwelldrillingrigTianjinLOHRIndustrialCo.,LTD.ⅠBasicparameterNo.ItemParameter1Drillingdepth（m）4002Max.drillingDia.(mm)500RotarytablePathDia.（mm）5053Rotaryspeed（r/min）/torque（N.M）23/8627/I,40/5675/II,69/3594/III,117/2319/IV,/shift184/1738/V,210/1171/VI,26/7988/reversed4Di
2、eselengineF6L913/96KW5ChassisShaanxiheavydutytruck（6X4）（213KW）6Compressionanddepressionstroke7600(mm)7Singlelinepullofmainwinch（KN）308Max.pullofmainwinch（KN）1809Singlelinepulloftoolwinch（KN）9.810Hookload（KN）18011Loadofderrick（KN）24012Heightofderrick（mm）1100013Totalmassofrig（t）21.68t14Dimension（m
3、m)11480X2500X3995ⅡFeaturesofrig1、BeencertifiedItisappliednotificationpatentnumber,whichisindicatedin“Bookofduty-freevehiclewithfixingdevice”Edition4,Page166,Y2010.CodeName:LR5220TZJwaterwelldrillingrig.ThecustomersinChinacanenjoytheduty–freeofpurchase.2、ChassisHereananotherindependentchassisinth
4、ecarrier,themainbeamisweldedbyhigh-strengthsteel,thedoublechassisstructureimprovetherigidityofrig,whichmakestherigworkmorestableandprolongtheusinglifeofrig.Theindependentchassis,betterrigidity!ⅡFeaturesofrig3、Dieselengine-independentGenerally,heresettingtwopowersourceforrig:independentengineforr
5、igorpowerfromchassis.LOHRrigadoptstheindependentdieselengine(BeineiDEUTZF6L913-ZG56windcooling)forrigdrilling,itsadvantagesare:ⅡFeaturesofrigAbilitycomparisionItempowerfromchassisengineindependentengine（LOHR）Purchasecostlowhighpowerissuitable.Fuelthepowerishigherthantheuseconsumptionislow,especi
6、allyforFuelconsumptionofdrilling,theoilconsumptionistherunningatratedpower,themuch,costishighercostreducedverymuchfullyopen,begoodforairhalf-closedstructure,undercad,Maintenancepassingtoreducetemperature,bedifficulttorepairbeeasytooperateandrepairsparepartscostishigherCostofmaintenancecostofspar
7、epartsisless.becauseofthehighpowerIfusingthechassisengineatmax.loadforlongtimeindrillingindependentengineforworkofLifeofengineworking,whichwillshortenthedrilling,noeffectonthetruck.servicelifeoftruck.•Conclusion:thepurchasec
