凸臺提升機(jī)的設(shè)計(jì)

凸臺提升機(jī)的設(shè)計(jì),凸臺提升機(jī)的設(shè)計(jì),提升,晉升,設(shè)計(jì) WORLDCEMNTay2005 DaveWolstencroft,TechnicalManager,4BComponents,USA,explainshoweelswebelevatorbelt&SJbucketsenhancetheperformanceofbucketel.IntroductinDuethem adforlagercapity,m oreficn,adm orcstectivlrscaydustrilputham n,4Bcom pnetshaeached,sednsupliedthiduryfor tlstniyarwithantgrastemsewbeltig,SJbucketsdelvtordignsforcm patndustrialvaor.Thecom ayhsdeignd,evlopedansucsfulintructPolysurFrstlreinoredvaobelsyem andhigcapiyStacJum beltruckt.Tsevehgpityatcom paivelylowrcotanusichanordinlbtngithfabiedbcket.Titalsyes hem ajorityoflvatorhavetrditonalybeninstldwhcin.Tis,w,cvrexpiveadham m enm aintecim lcatonsfterinstltio.Chibuckevarsualyhavelrgecasingdm eson,um bom etorbuckts,thyarpitchedaprtaquiadiane.Cainopetsrlivelyowspe(1.3m /s),duetfricnaldnosprblm ,hicansltofim tgthecasize.Also,ighstregh,argecnsruion,bgm tr,etc, aquidohaidbcketlvaos. Althesfactorntributeoanexpnsiveelvator,nlyialcsbutifurthm inceost,andcostydwntim e.Largum berm fabrctdelvatorbucketsnalsosdithelting.Thsvryxpiveptinlikeca,bcauetyalso WORLDCEMNTay2005 takeupalotfvolum ewithnaelvatorcsing,ndfbricedbcksrxtrm ytlycom paetohirpedcounepa.Asaresu,thecasingwilalsobecm largendm orexpve.SJndstlwbltartivAsalterativetohestblishedaproch,4BhdvopdFrrnfebltingsytem ,incratingtheuniqeSJbucktds.ThStoJum badstlwelingcausem ltiperws(netofurosfthredifrnsz)ofclslyspaced,havy-du Jum boeam lstebuktwitprosedesigndstwbym ,andhgem atuelvatorbelt.Thvaorbeltwilearsignficatlyestantecinltav.Thim lyduothsm lrum brofm ingpartscom pareechainliksandsrocke.hinwilxpercotiulfitnbtweachprt,thusasingcnstaear,hnventulydowntim e.Thelvatorbucketsarpesdfrom 4m mm ildstndwil,hfo,havnextnsivefetim ofuse.Aearbnd,weldothfrot dgandiofthuckts,ianpinieprouctsparticularybrave.Thbucketsardesigndohevhigcpitstroghiuqptim um desnareic,tesm axim sebcketfilawilspodutrla.Thuctsarsodeignduchawyhteycanbespacedtverytightintervals,unlikethtrditolytm .Thbuckesobdpo2.3m /snhelargplydiam ters(whicistilgravitydic),whiclnblgapcy.Thslhaspositveftotherductionfthecaingize.bls1and2em onstraethedifrencbetwnchibuck,dslwbltadSJbukets. WORLDCEMNTay2005 H ighH H H capitylowmaintecesytmforndusrevtrCm paretotraditonalchinadbucketlvtos,PlysuFerstelweltfidwihSarcJm bockofrs:Uptdulethlevatcpaity.Throgspo130hndover.Muclwercaitlnvestm .Longrtoublfrif.Redcm aintecandsparecost. Oportuyoupgriyfexisngelvatrs.Thtwbelthasfewrfictonadwearpoinscom pardocin.Thelvtrblthatnperattm pratuof120.Witpeksof150,bulsohverythickovrs(ualy4rm m ).Tilpswstandtherigorsfcem ntadotherbriveusalpdut.Dtoheconstrcionftheblt,iwilhavelm seh.Ipasfear socitdwithlvatorbltswthtbltwulsreciinue.Tisilnohapnithstelblt,dtohepcialFeroE-crdinwarpnef.4Baoferbltsgthupto20KN/m ,whiclcopeieghestfaplictons.Tebtisaloguarntdannafrm anyerdepigoaplicton.Albeltscom withunchdlesonai.specllenkyheadboltcanbeusd toenablofuscsitholfhtyingadeltrdrlwianAlenkbioscrewthbohugtheblt.CastudiThecom panyhasucesfulycom pletdnum rslvtrdeign.Itanfrfegieingesispcfyigthecoetbuckts,blti,bolt,aeszd,m rs,inordehaeucklvtorm anufctecanproducethoptim um andm ostcost-efctiveelvt.Tsrvcelsbefrdhndusr,sucham ntpant,whyteirxistgelvatobechgedovrfom chandhecpiyncrasd,vnubl.Ioeitceaevatordinotreachteanticpatdcpaiyof180-2phfqulyosbukesuetfxngbltseinguledthrgthelt.Thblsotem i-aid,acasinidwasdm geyfrckngbelts.ApolsurFeoltwafiedforim pvedtracking.Thbltspednbltsengthwasiesd.efaricbucktserplacdbyteSJ370bucktstredpichtohievhdesirapiyofam inm um 20p(actulycaluteds285tph)Figure3.Rerofitsing-T130Cbelt4+covers,SJ370-25(4m m thck)predstuktsandM1AlenyDINboltwihigtem pruersitanockuts,adspecalum nm clam . WORLDCEMNTay2005 Anotherxam pleisofanexistngchainelvatriustithawupgrdfrom 120tphcm ent,o250byetitngadinsaligrfSJ470ucksausiFerobetSW10+.Theorignl25m hglvarhdcainstald,atwasdecitocngeovrtFerobetihSJbuktsoim prvthpfm ancandlf.