通用桥式起重机说明书英出口火电400V69Word格式.docx
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通用桥式起重机说明书英出口火电400V69Word格式.docx
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2.AssemblyoftheMetalStructure4
3.AssemblyoftheTravelingMechanism6
C.ElectricControlPrincipleandAssembly8
(a)Electriccontrolprinciple8
1.DistributionProtection8
2.ControlPrincipleofTrolleyTraversingMechanism9
3.ControlPrincipleofCraneTravelingMechanism10
4.ControlPrincipleofHoistingMechanism10
5.CircuitofIlluminationSignal16
6.Control16
(b)AssemblyandAdjustmentoftheElectricEquipment17
1.Motor17
2.LinkageControlPlatformandController18
3.Resistor18
4.ProtectionandControlBoxes19
5.LimitSwitch19
6.CraneConductor19
7.ConductorDeviceoftheTrolleyCable20
8.LayofWireandPipe20
9.SafetyGrounding21
D.Installation21
(a)Notices21
(b)Example:
22
E.Noticesforuse23
(a)SafetyRules23
1.Safetyrulesmustbeobeyedinusing:
23
2.SafetyRulesofElectricEquipment24
(b)Driver’sDuty24
F.Maintenanceandtroubleshooting26
(a)BridgeandMainStructure26
(b)TravelingandTraversingMechanisms27
1.ClashoftheWheelwithRail27
2.SlipingoftheDrivingWheel28
(c)HoistingMechanism28
(d)ElectricEquipment29
1.OverhaulingSystemofElectricEquipment29
2.RemedyoftheTrouble29
G.LubricationofMechanism32
(a)DistributionofEveryLubricantSiteoftheCrane32
(b)LubricatingConditionandMaterial33
H.Operationtest34
(a)PrepareandCheckbeforeTest34
(b)UnloadTest34
(c)LoadTest34
1.InspectItemofLoadTest34
2.StaticLoadTest35
3.DynamicLoadTest35
4.InspectionItemofElectricparts35
I.Appendix36
(a)MeasuringMethodofSpanoftheCrane36
(b)MeasuringMethodofCamberoftheMainBeam36
A.Summarization
(a)Brief
Craneisshortfor“Generalpurposeoverheadcranes”inthefollowing,itiscomposedofhookoverheadcrane(QDsingletrolleytype,QEdoubletrolleystype);
cranewithgrab(QZ),electromagnetismoverheadcrane(QC),cranewithgrabhook(QN),cranewithelectromagnetismhook(QA).TheinstructionisforQDoverheadcranewithhook,theotherstypesmayrefertoit.
(b)Scope
Thecraneissuitableforindustrialandminingenterprises,workshoporopenairtoloadandunload,transitgoodsinfixedspan.
Suitablepower:
3-phase400V,50Hz.Formainperformanceparameter,pleaseseetherelativedataintheattacheddiagram.Theinstructionisapplicableforinstallation,acceptance,operationandmaintenance.
(c)Structure
Thecraneismadeupofbridgegantry,cranetravelmechanism,trolleyhoistingmechanism.Thebridgeiscomposedofthemain,endbeamsandwalkplatformetc..Steelrailislaidonthemainbeamfortrolleytraversing.Thewalkplatformisinstalledoutsidesoftwomainbeams.Onesideisforinstallingandoverhaulingcranetravelingmechanism.Theothersideisforassemblingtrolleyelectricdevice.Thecabissuspendedunderthemainbeamtobeviewedcompletely.Thelinkageconsoleorsinglecontrollerisinstalledinthecab.Thediagonalstaircaseisinstalledbetweenthecabandthewalkplatform,themainandendbeamsarejointedbyhighstrengthbolt.
Travelingmechanismuseseparatedrivetype(Dwg.1-1).Therearefourcranewheels,usethestructureofthebogietypeforlarge-tonnagecrane,eightormorecranewheelsareused,afterthesewheelswiththeanglebearingboxwiththerollingbearingwhichareassembledtobeinstalledinbothendsoftheendbeam.
Thetrolleyismadeupofthetrolleybracket,hoisting(Dwg.1-2)andtraversingmechanisms(Dwg.1-3).Therearetwolimitprotectiondevicesforhoistingmechanism:
doublelimitprotection(twosetsofsafehoistinglimitswitchdevices)andsinglelimitprotection;
hoistinghookisdividedintotwokinds:
singleanddouble;
soisthebrake.Usermayselectthembyrequirementsofthemselvesfreely.
Thepowersupplyofthetrolleyusesuspended-typecable(therailofcableblockmayuseI-beam,roundandanglesteels)andsafetrolleyconductoretc..thatusermayselectthemfreelyaccordingtorequirementsofthemselves.
Thecabisalsodividedintotwokinds:
openedandclose.Theelectricheater,aircooler,airconditionaredesignedinthecabaccordingtouser’srequirement.
AssemblyandAdjustment
B.InstallationandAdjustment
Allpartsmustbekeptwellbeforeinstalling,checkrailoftheworkshopbeforeinstalling,Installationmustseetherelativeinstruction.
Ineightymonthsafterthecraneisdelivered,installation,operationanduseofcraneshouldbeinaccordancewiththeinstruction,thecompanywillinsurenormalworkofthecranefortwelvemonths(fromthebeginningofusingit).Guaranteeusetermofelectricpartsseethemanufacture’srelativerules.
(a)Notes
1.Intransporting,unloading,shouldavoidtheseaccidentsinthefollowing:
twist,bend,impact,sothefollowingrulesmustbeobeyed:
①Theremustbetwohoistingpointsatleast,thebundlelocationofthepointswheremustbefilledtheunderlay,thebundleshouldbelimitedtowheelandmainbeam.Thepackinglocationmustbebestinjointsofbothendsofthebridge.
②Whentransporting,ifnocamion,thebridgegantry,endbeametc.shouldbeputontheflatcartodrag,notonthegroundorrollerframe.
2.Thecraneshouldbeputplacidlywhenstoring,underlayitwiththecrosstielevellyandsymmetrically.Ifputitonthegroundforalongtime,thegroundshouldbefirm,orthebridgewillbedistorted.
3.Ifthecraneisputforalongtime,allsheltermeasuresshouldbeprovided:
eg.windproof,rainproofetc..
4.Afterthecraneisdelivered,checktheamountofpartsandcomponentsaccordingtothepackinglist,notethecheckresultinthe“equipmentarchivescard”(provideforuserthemselves).
5.Forpartcomponents,theyshouldbepreassembledonthegroundandinstallthemcompletelytillitispassed.Preassemblingshouldbedoneaccordingtotheassemblyjointparttabdrawing,ifproblemscan’tbesolvedwhenpreassembling,pleasenothesitatetocontactwithusatonce.
6.Ifthecraneisstoredforalongtime(morethan6months),especiallyintheopenair,beforeinstalling,checktherustandremovedthesmirch,ifnecessary,itmustberepaintedandreassembledagain.Cleaninwalloftheoilinletpipeifthereis,smearthelubricationagain,freeeveryrotationpart.Checkifeveryjointpartisfirmandreliable.
7.Organizingallrelativepersonneltocheckthepartsaccordingtotherelativetechnicaldrawingbeforeinstalling.Distortionanddefectarecausedfortransport,especiallymetalstructure,reinstallthemagainafterthesefaultsmustberevised.
8.Measuretoolsforinstallingmusthavecertificateinusingavailability
(b)Assemblyofthecrane
CheckifassemblyofthetravelingrailisaccordancewiththerequirementsofGB10183.
1.AssemblyoftheTrolley
Testmustbedonebeforethetrolleyiscarriedfromthefactory.Assemblethetrolleyonthebridgedirectlyafteradjustitalittle.Afterassemblyofthebridgeispassedcompletely,thetrolleycan’tcontactrailwiththreepoint(thatistosay,threeworksurfaceofthewheelontherail,theotheroneishanged).Otherwise,alayunderlaymustbeaddedundersuspensionwheelbearingboxortherail,andadjustit,onlyalayone,underlaymustbeputonthewebplateofmainbeam,andtwoendsmustbefirmedwithweld.
2.AssemblyoftheMetalStructure
①First,sawupthehookfortransportandplanishitwhenassemblingsee(Dwg.2-1).
②EveryinspectionitemshouldbeinaccordancewithTable2-1,inordertoreduceworkloadinthehigh-altitude,allassemblyworksmustbedoneonthegroundasfaraspossible.
③Reassemblethecraneaccordingtothefollowingschemebeforeinstalling.ifthereiswrong,thecranecan’tbeassembleduntilthewronghasbeenremoved.
aReinstallthecraneonthesametwoparallelrailsonthesameplane.
bRegardingthescrewholeoftheendbeamaslocatingbenchmark,jointthemainandendbeamsaccordingtoassemblydrawingofthebridgegantry,tightenthescrewafteradjustingproperly.Afterfinishtheassemblyofthecrane,everytargetshouldbeinaccordancewithtable2-1.
No.
NameofTolerance
Sketch
Value
1
Spantolerance(measurefromthewheel)
△S=±
2mm(S=10m)
[2-0.1(S-10)]mm(S>10m)
2
装配后主梁上拱度(最大拱度控制在跨中S/10内)
Camberofmainbeamafterassembling(MaxcambershouldbeinS/10ofmidspan)
F=
3
(S1-S2)注
(1)
Diagonalerrorofbridge(S1-S2)note
(1)
|S1-S2|≤5mm
4
Horizontalsidebendingofthemainbeam(afterthemainandtheendbeamsbeingassembled)
f≤S/2000
≤50tonlypermittobendforth
5
Limittoleranceoftrolleygauge
Spanend:
△K为±
2mm
Spanmiddle:
W≤19.5m△Kis
;
W>19.5m△Kis
△Kis±
3mm
6
Tolerancebetweenrailcentrelineandwebplatecentrelineofsupportrailbeam
Bias-railboxgirder:
δ<12mm,g≤6mm
Singlewebplate:
δ≥12mm,g≤1/2δ
7
Toleranceofcentrelineofrailjointandheighterror
d≤1mme≤2mm
f≤1mm
8
Heighterroroftrolleyrail(inthesamesection)
K≤2m
△h≤3mm
2m<K>
6.6m△h≤0.0015K
K≥6.6m△h≤10mm
3.AssemblyoftheTravelingMechanism
Travelingmechanismofthecranehasbeenassembledonthebridgebythemanufactory,deliveredwiththebridgeaftertestandpass.
Afterassembled,checkaccordingtothefollowingitems:
(1)ThespantoleranceofthecraneandrelativetoleranceofbothsidespansS1andS2shouldbeaccordancewithtable2-1,measurepointsofthespanaccordingtoDwg.2-2,
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