露天矿吊斗铲的应用

露天矿吊斗铲的应用DraglineApplicationsinsurfacemine吊斗铲Draglines现今最大的单斗挖掘机,陆地最大移动设备.Largestsingle-bucketexcavatorsinexistencetoday工业用最广阔的吊斗铲组合(超过45种不同的技术规格)以及专用用户定制解决方案industry’sbroadestdraglineportfolio(over45specifications)andcustomizedsolutions最低的物料搬运成本Lowestmaterialremovalcost运行寿命：40年Operatinglife:40years铲斗容量：24-116m³Bucketcapacities:(31-152yd³)大臂长度：Boomlengths:74-132m(245-435ft)额定悬吊荷载：71,000-344,736kgRatedsuspendedloads:(156,000-760,000lbs)方案鸟瞰PlanView条幅式样开采Long,ParallelCutsOrStrips吊斗铲剥离覆盖层露出煤层DraglineRemovesTheOverburdenAndUncoversTheSurfaceOfTheCoalSeam吊斗铲应用-露天条幅式开采Application-OpenCastMine长箱外形LongBoxShape初始开凿TheInitialCut废土堆小CapacityOfTheSpoilPileIsMinimal从覆盖层薄的一边开始StartAlongTheLow-CoverEdgeOfTheReserves将剥离物放到没有煤的地方PlaceSpoilPilewhereNoCoalExists吊斗铲应用-箱形开采Application-BoxCut单侧倒堆最为常见的剥离方法,SimpleSideCastingIsTheMostCommonStrippingMethod包括两个基本步骤,开关键槽和挖掘ConsistsOfTwoBasiccuts-KeyCut&PlugCut开关键槽KeyCut吊斗铲应用-单侧倒堆Application-SimpleSideCasting单侧倒堆最为常见的剥离方法,包括两个基本步骤,开关键槽和挖掘SimpleSideCastingIsTheMostCommonStrippingMethod.ConsistsOfTwoBasiccuts-KeyCut&PlugCut挖掘PlugCut吊斗铲应用-单侧倒堆(续)Application-SimpleSideCasting(Cont.)四个位置FourPositions挖掘上部1&2-DigTheUpperHalf挖掘下部3&4-DigTheLowerHalf吊斗铲应用-单侧倒堆的移动顺序Application-MovesInSideCast挖掘台阶低于原始平面BenchLevelBelowTheOriginalGround下挖并单侧挖掘Chopdown&SideCast是单侧倒堆生产率的75%ChopdownProductionAt75%ofSideCastProduction吊斗铲应用-挖掘台阶Application-AdvanceBench当需要更大作业半径时WhenMoreOperatingRadiusIsRequired利用关键槽挖掘,向排料堆方向扩展台阶UseKeyCutToExtendTheBenchTowardsTheSpoilPile吊斗铲应用-扩展台阶Application-ExtendedBench吊斗铲向排料堆方向移动,停在新脊上DraglineMovesToTheCrest对刚才新堆起的物料进行再倒堆DigThePlugAndTheKeyMaterialASecondTime吊斗铲应用-扩展台阶Application-ExtendedBench(Cont.)扩展台阶方法的替代方法AlternativeToTheExtendedBench单侧倒堆时覆盖一部分煤层边缘SideCastVolumeCoversTheCoalSeamEdge吊斗铲应用-后移式开采Application-PullBackMethod吊斗铲移动至排料堆侧,再将覆盖层从煤层上被移走DraglineMovesToASpoilSideBench&SpoilIsPulledAwayFromSeam吊斗铲应用-后移式开采(续)Application-PullBackMethod(Cont.)25-35%覆盖层通过爆破达到最终位置Move25-35%OfOverburdenToFinalLocationByDrill&Blast高台阶HighBench角度钻孔AngledHoles孔直径大于300毫米300mmHoles高爆破系数HigherPowderFactors吊斗铲应用-抛掷爆破Application-CastBlasting吊斗铲应用-抛掷爆破(续)Application-CastBlasting(Cont.)用推土机平整并堆出一个吊斗铲平台UseDozersToLevelCast&BuildPad经济CostEffective提高吊斗铲生产率AllowsDraglineToBeUsedMoreProductively推土机要推到煤层边缘以远DozersPushBeyondTheCoalSeamToe吊斗铲应用-推土机平整爆破面Application-DozersLevelCast吊斗铲沿边坡挖掘,推土机推出新边坡DraglineDigsAlongHighwall&DozerCutsNewHighwall拉斗容易装满BucketIsMoreEasilyFilled排料被移至最终位置SpoilIsPlacedInFinalLocation吊斗铲应用-坑内排料堆侧挖掘Application-InpitSpoilSide吊斗铲沿煤层边缘挖掘DraglineDigsAlongCoalSeamEdge排料被移至最终位置SpoilIsPlacedInFinalLocation吊斗铲不用重新定位DraglineHasNoLateralRe-positionMovement吊斗铲应用-坑内排料堆侧挖掘(续)Application-InpitSpoilSide(Cont.)吊斗铲单侧倒堆,剥离覆盖层Draglinesidecaststheoverburden应用:多煤层Application:MultipleSeams吊斗铲移动到下一个覆盖层上,单侧倒堆Thedraglinerampsdowntothesurfaceofthenextwastelayerandsidecastsittothespoilside.推土机将排料一侧的顶部推平,成为吊斗铲下一个台阶Thespoilpeakisleveledintoabenchbyadozer.应用:多煤层(续)Application:MultipleSeams(continued)第二层煤移走后,吊斗铲移动到排料一侧的台阶上,继续挖掘第三层覆盖层.Whilethe2ndseamisremoved,thedraglinemovestothespoilsidebenchandmovesthe3rdlayerofwaste应用:多煤层(续)Application:MultipleSeams(continued)继续挖掘,当第三层煤被移走后,吊斗铲将煤层下,可能是煤/废料混合层倒堆到排料一侧Afterthe3rdseamofcoalisremoved,thedraglinemovesthe3rdpartingfromthesamebenchasbefore.应用:多煤层(续)Application:MultipleSeams(continued)当第四煤层采挖后,吊斗铲继续剥离下面的覆盖层.Afterthe4thcoalseamisrecoveredthedraglinemovesthefinallayerofwastefromthespoilsidebench排料被倒在吊斗铲所站的这一侧Thespoilisdumpedontothisbench有时再倒堆是需要的,以便挖出被排料压住的那部分煤Somerehandleismovedallowingrecoveryoftheentire5thseam应用:多煤层(续)Application:MultipleSeams(continued)吊斗铲还可以用来挖掘倾斜煤层Draglinescanalsobeusedtorecovermultipleinclinedcoalseams应用:双倾斜煤层Application:TwoInclinedSeams表面覆盖层和中间覆盖层都需要爆破Boththeoverburdenandinterburdenareblasted应用:双倾斜煤层Application:TwoInclinedSeams推土机用来在爆破后的覆盖层上推出台阶Thegrounddozerisusedtolevelabenchintheoverburden应用:双倾斜煤层Application:TwoInclinedSeams现在吊斗铲可以开始挖掘最上面的煤层,回转180度卸料Thedraglinecannowuncovertheuppercoalseam,dumpingthespoilat1800应用:双倾斜煤层Application:TwoInclinedSeams吊斗铲然后开挖中间覆盖层的关键槽Thedraglinethendigsthekeycutoftheinterburden.应用:双倾斜煤层Application:TwoInclinedSeams推土机在倒堆一侧的顶部准备台阶Thegrounddozerpreparesabenchforthedraglineontopofthespoils应用:双倾斜煤层Application:TwoInclinedSeams吊斗铲移动到倒堆一侧,剥离中间覆盖层,露出下一煤层Thedraglinemovestothespoilsideanddigstheremaininginterburdencoveringthelowercoalseam应用:双倾斜煤层Application:TwoInclinedSeams良好的台阶准备以避免对底座和行走部分的额外的维修和停机时间Goodgroundpreparationisrequiredtoavoidexcessiverepairdowntimetothebaseandwalkingequipment挖掘时,底座必须完全与地面接触.行走靴升高到最高点,行走制动启动Whendigging,thebasemusthavefullcontactwiththeground.Theshoesareraisedtotheiruppermostpositionandthepropelbrakesareset.行走给设备造成的压力比挖掘时更大Walkingsubjectstheentiremachinetogreaterloadsandstressthanwhendigging.台阶准备GroundPreparation-Bench行走时,行走靴必须全面的,坚实地接触地面.完全接触时,处于前进方向的底盘抬起,但是80%的底盘仍然与与地面接触,同时底盘向前滑行Topropel,theshoesmusthavefullandsolidcontactwiththeground.Ascontactismade,theleadingedgeofthebaseisraised,but80%ofthebaseremainsincontactandthebaseisslidahead.了解软地的情况.地面应该尽可能平整,坚实和干燥.Bew