电动葫芦起重机参数英文.docx

电动葫芦起重机参数英文.docx

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电动葫芦起重机参数英文

电动葫芦起重机参数（英文）

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3.15HoistingEquipment

3.15.1Scopeofsupplyanddesignparameters

1.Thetenderershouldbeaccordingtotherequirementsonprovidetheequipmenttheengineeringneeded,includingthetravelmechanismandhoistingequipment,suchas:

mainframe,motor,electricalblock,wirecable,fixedpart,accessories,matchedelectriccableetc.,itshouldbeguaranteedthedesign,manufacture,check,inspectionandsoonofabovementionedequipmentshouldcomplythecoderequirement;meanwhilethetenderershouldprovidecorrespondingsiteservice,includingtheinstallationguidanceandadjustmentofthehoistingequipment.

Electricmono-sparsuspensionhoistcranetechnicalperformancelist

Installationsite

Roomofgrillscreen

Roomofchemicaladding

Roomoffilterbasin

Type

Electrichoist

Electrichoist

Electrichoist

Quantity

1

1

1

Purpose

Equipmentoverhaul

Equipmentoverhaul

Equipmentoverhaul

Ratedloadweight（t）

3

3

3

Hoistingheight（m）

12

6

12

Modeofoperation

Groundoperation

Groundoperation

Groundoperation

3.15.2TechnicalRequirements

1.Inordertoguaranteethestandardizationoftheproductsontheaspectsofoperation,maintenanceandspareparts,requiringalltheequipmentandcomponentofsametypeshouldbetheproductsofthesamemanufactureraspossible.Alltheelectric-drivehoistingequipmentshouldsetpowerswitchontheground.

2.Allequipmentandproductshouldhaveperformanceinspectionbeforeexworks;thetenderershouldprovidethefollowing:

exworksproductcertificateofinspection,approvedcertificateforproduct,productinstruction,packinglist,andlistofaccessoriesandspareparts.

3.Alltheelectricdrivingdeviceofthehoistingequipmentshouldbecompletematchedbythehoistingequipmentmanufacturer,tomakeitformcompletehoistingequipment.

3.15.2Materialtobesubmitted

Thetenderershouldsubmitthefollowinginformation,butnotlimitedtothefollowing:

（1）Theconcernedtechnicaldataandelectricschematicdiagramofelectricmachineandelectricity;

（2）Installationinstruction,equipmentoperationandservicemanual;

（3）Qualificationcertificateofmanufacturerandachievement;

（4）Biddingtechnicalitydescription（design,structure,materialetc.）andsampleediting;

（5）Manufacturingandqualityassurancemeasures;

（6）Debugginganddetectionrequirementbeforetest-run;

（7）Submittingfiveuserscertificatesofsuccessfuloperationrunningdomesticallyinrecentfiveyears;

（8）ThehoistingequipmentmanufacturinglicenseissuedbyDomesticLaborDepartment;

3.15.3Basicrequirements

1.Referencestandards

Thedesign,manufacture,inspection,packaging,transportationandinstallationprocessoftheproductshouldbeconsistentwithISO,IECinternationalstandardsandtheequivalentstandardssuchasGB,JB,JIS,DIN,ANCI,etc.（Thesestandardsshouldbetheupdatedstandardsthatarenotbeinvalidated））

2.Othertechnicalrequirements

（1）Thehoistingequipmentsuppliedbythetenderershouldincludetheelectricmono-sparsuspensionhoistcrane,electricalblockandtheconcernedaccessoriesforconnection.

（2）Thecompleteelectricmotorandthespeedreducershouldbesuppliedbythemanufacturerintheformofcompleteandmatching.

（3）Theequipmentfailurefreeoperationtimeshouldnotbelessthan10,000hours;theelectricapparatus’servicelifeshouldnotbelessthan3years,thespeedreducerandbearingservicelifeshouldbe10years,thecoatingserviceshouldbeover5years;thecompletemachineservicelifeshouldbemorethan25years.

（4）Anti-corrosionofequipment:

thesurfacede-rustinggradeofallcarbonsteelcomponentsshouldcomplywiththeSa2.5gradestandardstipulatedinGB8923-88

（5）Themanufacturershouldprovide1setspecialtoolsandsparepartsfortheequipmentinstallationandmaintenance.

（6）NameplateandLabel

ItshouldbefastenedforAllequipmentwiththestainlesssteelnameplateoffollowingtechnicalspecificationcontents:

Number,Model,Power,maintechnicalparameter,weight,manufacturer,dateofmanufactureetc.

（7）MaterialandProcess

Allmaterialsmustbethehighqualitymaterialwithindicatedgradeandspecies,theseshouldbethenewestmaterialusedbythemanufacturer,nottherejectedintodisuse,andthemanufacturingprocessshouldbethecontemporaryoptimalitycriteria.

（8）Thetenderershouldbeinchargetoguidetheinstallationoftheequipment,toaccomplishthedebuggingworkoftheequipmentwithintheperiodstipulatedbytheconstructionparty.

3.15.4Structuralrequirements

（1）TravelingMechanismBody

Thebodyisrigidstructure,forbiddenanyabnormalbend.

Thetravelingmechanismdrivingreliesontheelectricmotorthroughspeedreducertodrivethetrolley’sdrivingshaft.

Themono-sparbodyshouldhavearollerstabilizer,topreventthetravelingmechanismfrominclineduringoperation.

Thematerialofthetravelingmechanismwheelissteelrollingorforgedsteelheattreated;thehardnessofthetreadofthewheelshouldbeat200Brinellatleast.

Afterrefiningprocessandburnishing,thewheelaxlematerialcanassemblytheinnerbearingwasher.

Whenusingtherotationaxis,thewheelshouldinstallthecontractorandkey,orinstallthekeyonly.

Allthegearsarespiraltooth,straighttoothorherringbonetooth,thegearwheelismanufacturedofsteelrollingorcastiron,andprocessittobe20°pressureintermeshingangle.

Thebearingistheradialandthrust,doublebank,angularcontactballbearing,orthedoublebankthrusttyperollerbearing.Beforeinstallationthebearingshouldbelubricationandsealing;thebrakeofthetravelingmechanismshouldbeassembledaccordingtothestipulatedworkinggrade,thetravelingmechanismshouldbematchedwithrippledamper

（2）Electricalblock

Themachinepartsoftheelectricalblockarecomposedbythewindingdrum,drivingequipment,loadbox,hook,steelcable,pulleyandbrake.

Whenthehookisatthelowestposition,onwindingdrumthereareatleast2loopofsteelcable.

Thewindingdrumsizeandsteelcablelengthshouldbeconfirmedaccordingtothedesigndrawings.

Theloadboxadoptstheenclosedtypetohaveinterferenceprevention.

Thesteelcableshouldhaveenoughflexibilityandtoughness.

Thereshouldbeenoughtoughness,whenoverload,beforefailurethehookshouldbewithenoughdegreeoffreedom.

Underratedload,thehookcanturn360°.

Thecraneshouldbematchedwithelectricbrakeandmechanicalbraking,itcanbeadjustedsoastocompensatewear-out.

（3）PowerEquipment

Thecranemanufacturershouldinstalltheelectricdeviceonthecraneincludingtheelectricmotor,electricmotorstarter,suspensioncontrolandconduitetc.

Theelectricmotorissquirrelcagetype,undertheconditionoffullload,withlowstartcurrentandhighstarttorque.EachphaseoftheACelectricmotorshouldhaveoverloadrelay.

Therailconductorshouldbetrolleylinetype.Asthedeviationofdesignedvoltageofthebuildingsystemis5%,thetrackandtravelingmechanismconductorfrommotortrackpowersupplyofcontrolcranetooperationthedeviationis10%.

Theslidingconductoriscomposedbygalvanizedsteelstripencapsulatedintheinsulationmaterialbox,therelayisslideblockstylewithpressingoutspring.

Thehoistershouldbeequippedwithcontrollerofmomentarycontactbutton,wheneveranyelectriccableisinpower-cut,itcanstopalltheelectricmotorsuntilre-operation.Eachelectricmotorshouldbeequippedwithlow-voltageprotection.

Thetravelingmechanismshouldhaveslowstartdevice.

Thehoistershouldbeequippedwiththecontroller,thecontrollershouldbehungdownbyelectriccable,onthecontrollertherearestop/startbuttonsforhoister,axletrack,travelingmechanismcontrolling.

（4）SafetyFactor

Thesafetyfactorofthehoisteris1.2timesofthenominalload,theultimateloadtestshouldbedonebeforeexworks,andthetestreportandrecordshouldbesubmitted.Thehoister’sfault-freetimeshouldbe5yearswithoutmaintenance;theservicelifeshouldbe40years.

3.15.5Maincomponentsandmaterials

Mainbeam:

carbonsteelQ235A

Roadwheel:

caststeelZG55

Fastener:

stainlesssteel1Cr18Ni9Ti