Crane xaim hlua yog suav tias yog cov khoom siv tau zoo thiab peb yuav tsum tau saib xyuas lawv kom ntseeg tau tias lawv lub neej ua haujlwm thiab ua haujlwm ntev. Lawv txoj kev nyab xeeb thiab kev siv mus ntev yog nyob ntawm kev saib xyuas lawv tau txais.
Kab lus no suav nrog 6 qhov tseem ceeb: tuav, khaws cia, pre-installation, installation, commissioning, txij nkawm, thiab hloov cov hlua hlau.
1. Kev tu cov hlua hlau thaum tshem tawm thiab khaws cia
Txhawm rau kom tsis txhob muaj xwm txheej thiab / lossis kev puas tsuaj rau txoj hlua, nws yuav tsum tau muab tshem tawm kom zoo.
Cov hlua hlua los yog kauj yuav tsum tsis txhob poob los yog ntaus los ntawm cov hlua hlau los yog rab rawg ntawm lub forklift lossis lwm yam quab yuam sab nraud uas yuav ua rau txoj hlua puas lossis deformed.
Cov hlua yuav tsum tau muab cia rau hauv lub tsev txias, qhuav thiab yuav tsum tsis txhob raug tso cai rau hauv pem teb. Lawv yuav tsum tsis txhob muab khaws cia rau qhov chaw uas lawv yuav raug cuam tshuam los ntawm cov tshuaj, tshuaj fumes, chav lossis lwm yam corrosive agents.
Yog tias kev cia sab nraum zoov tsis tuaj yeem zam tau, txoj hlua yuav tsum tau them kom tsis txhob ya raws los ntawm kev ua kom xeb.
Ropes nyob rau hauv cia yuav tsum tau xyuas tsis tu ncua rau tej yam tshwm sim ntawm deterioration, xws li nto corrosion, thiab yog hais tias tsim nyog los ntawm tus neeg muaj peev xwm, lawv yuav tsum tau coated nrog ib tug haum preservative los yog lubricant uas yog sib xws nrog cov hlua manufacturing lubricant.
Nyob rau hauv ib puag ncig sov, lub nruas yuav tsum tig ib nrab tig tsis tu ncua kom tiv thaiv cov roj nplua nyeem los ntawm txoj hlua.
2. Kev tu cov hlua hlau ua ntej kev teeb tsa
Ua ntej txhim kho txoj hlua, nws yog qhov zoo tshaj plaws los xyuas cov hlua thiab nws daim ntawv pov thawj thaum tau txais los xyuas kom meej tias txoj hlua sib raug raws li qhov tau txiav txim.
Qhov tsawg kawg nkaus tawg nro ntawm cov ntsia hlau hlua yuav tsum tsis txhob tsawg tshaj li tus nqi teev los ntawm cov chaw tsim khoom crane.
Txoj kab uas hla ntawm txoj hlua tshiab yuav tsum tau ntsuas ntawm ib qho ncaj nraim tsis muaj qhov nro ntawm txoj hlua thiab tus nqi (dm) kaw.
Yog tias cov hlua hlau tau muab khaws cia rau lub sijhawm, thaum lub sijhawm muaj kev xeb tuaj yeem tshwm sim, nws yuav muaj txiaj ntsig zoo dua los ua qhov kev kuaj pom thiab MRT.
Txheeb xyuas qhov xwm txheej ntawm txhua qhov rub thiab lub nruas grooves kom ntseeg tau tias lawv tuaj yeem ua raws li qhov loj ntawm txoj hlua tshiab, tsis muaj qhov tsis sib xws (xws li corrugations), thiab muaj cov seem seem txaus los txhawb txoj hlua ruaj ntseg.
Lub rubey zawj txoj kab uas hla yuav tsum nyob nruab nrab ntawm 5·% thiab 10·% loj dua qhov nominal txoj kab uas hla ntawm cov hlua hlau. Rau kev ua tau zoo tshaj plaws, qhov zawj txoj kab uas hla yuav tsum yog tsawg kawg yog 1·% loj dua qhov tseeb txoj kab uas hla ntawm txoj hlua tshiab.
Hlau hlua installation
Thaum unwinding thiab / los yog txhim kho hlau hlua ntawm ib lub crane, tag nrho cov kev ceev faj nyob rau hauv cov hlau hlua installation txheej txheem yuav tsum tau coj mus rau hauv tus account kom tsis txhob ua rau cov hlau hlua yuav spooled nyob rau hauv los yog tawm. Tso cai rau qhov no tshwm sim tuaj yeem ua rau txoj hlua tsim cov voj voog, kinks lossis khoov, ua rau nws siv tsis tau.
Txhawm rau tiv thaiv ib qho ntawm cov xwm txheej no, txoj hlua yuav tsum tau them rau hauv txoj kab ncaj nraim nrog qhov tsawg kawg nkaus slack tso cai.
Txoj hlua coiled yuav tsum muab tso rau ntawm lub turntable thiab them ncaj nraim; Txawm li cas los xij, yog tias qhov ntev ntawm coiled yog luv, qhov kawg ntawm txoj hlua tuaj yeem raug tso tawm thiab cov hlua seem dov raws hauv av.
Thaum lub coil los yog reel pw ncaj nraim rau hauv av, txoj hlua yuav tsum tsis txhob them tawm los ntawm kev viav vias viav vias los yog dov lub reel raws hauv av.
Rau txoj hlua ntev muab rau ntawm cov reels, khaws cov khoom xa tuaj thiab nws cov thav duab txhawb nqa los yog bracket kom deb ntawm lub crane lossis hoist li sai tau kom txwv tsis pub lub kaum sab xis ntawm lub nkoj mus rau qhov tsawg kawg nkaus thiab yog li tsis txhob muaj qhov cuam tshuam tsis zoo.
Txoj hlua tuaj yeem tiv thaiv los ntawm txhua qhov muaj peev xwm nkag mus ntawm cov xuab zeb lossis lwm yam kab mob los ntawm kev khiav txoj hlua hla ib lub lev haum (xws li siv txoj siv sia siv) es tsis txhob cia nws khiav ncaj qha rau hauv av.
Nco ntsoov tias lub nruas tig hlua yuav muaj lub siab inertia, nyob rau hauv rooj plaub no nws yuav tsum tau tswj kom them cov hlua maj mam. Rau cov me me reels, qhov no feem ntau yog ua tiav los ntawm kev ua haujlwm ib leeg nres. Loj reels yuav muaj ntau inertia thaum lawv pib tig thiab tej zaum yuav tsum tau braked hnyav.
Qhov twg ua tau, xyuas kom cov hlua hlau ib txwm khoov rau tib qho kev taw qhia thaum lub sijhawm teeb tsa, piv txwv li cov hlua xaim tau them los ntawm cov khoom xa tawm mus rau sab saum toj ntawm lub nruas ntawm lub crane lossis hoist (lub npe hu ua "sab saum toj-rau. -top"), lossis los ntawm hauv qab ntawm cov khoom xa tuaj rau hauv qab ntawm lub nruas ntawm lub crane lossis hoist (lub npe hu ua "hauv qab-rau-hauv qab"). Siv "hauv qab-rau-hauv qab" ua piv txwv.
Rau cov hlua ntau txheej, siv qhov nro rov qab sib npaug li kwv yees li 2.5% mus rau 5% ntawm txoj hlua qhov tsawg kawg nkaus tawg quab yuam rau txoj hlua thaum lub sijhawm teeb tsa. Qhov no yuav pab xyuas kom meej tias cov hlua hauv qab yog nruj nreem kaw, tsim lub hauv paus ruaj khov rau cov khaubncaws sab nraud povtseg.
Ruaj ntseg txoj hlua xaus rau lub nruas thiab lub tsheb thauj mus los raws li cov chaw tsim khoom crane cov lus qhia.
Thaum lub sij hawm installation, tiv thaiv txoj hlua los ntawm rub tawm ib feem ntawm lub crane los yog hoist.
Kev tawg ntawm cov hlua hlau tshiab
Ua ntej muab txoj hlua tso rau hauv kev pabcuam tag nrho ntawm lub crane, xyuas kom meej tias tag nrho cov kev txwv nqa thiab cov cim qhia txog kev ua haujlwm crane ua haujlwm zoo.
Txhawm rau tso cai rau cov khoom siv ntawm cov hlua hlau kom zoo dua qub rau kev ua haujlwm ib txwm muaj, lub crane yuav tsum tau ua haujlwm rau ntau lub sijhawm ua haujlwm ntawm kev txo qis thiab thauj khoom [piv txwv li txo rau 10% ntawm kev ua haujlwm load txwv (WLL)].
Kev tu cov hlua hlau
Kev saib xyuas thiab kev saib xyuas ntawm cov hlua hlau yuav tsum tau ua raws li hom crane, zaus ntawm kev siv, ib puag ncig thiab hom hlua hlau.
Cov hlua hlau yuav tsum tau hnav ib ntus thaum lub neej ntawm txoj hlua hlau ua ntej yuav muaj cov tsos mob ntawm dryness los yog corrosion tshwm sim (tshwj xeeb tshaj yog nyob rau ntawm qhov ntev uas dhau los ntawm cov sheaves thiab nkag mus thiab tawm ntawm lub nruas thiab cov feem uas coincides nrog lub compensating sheave. ) ntawm ib lub sij hawm txiav txim los ntawm tus neeg muaj peev xwm. Qee zaum, nws yuav tsum tau ntxuav cov hlua ua ntej siv cov khaub ncaws kom nws ua haujlwm zoo.
Cov hlua khi hlua khi yuav tsum tau sib haum nrog cov roj nplaum qub uas siv los ntawm cov chaw tsim khoom siv hlua thiab yuav tsum muaj cov khoom nkag mus. Yog tias hom hlua khi hlua khi tsis tau qhia hauv phau ntawv crane, tus neeg siv yuav tsum nrhiav kev taw qhia los ntawm cov xaim hlua xaim lossis cov chaw tsim khoom xaim hlua.
Tsis muaj kev saib xyuas yuav ua rau lub neej luv luv, tshwj xeeb tshaj yog thaum lub crane lossis hoist siv nyob rau hauv ib puag ncig corrosive lossis thaum hlua tsis tuaj yeem hnav vim qee yam. Hauv qhov no, lub sijhawm tshuaj xyuas yuav tsum luv luv raws li.
Thaum cov seem protrudes ntau dhau los ntawm txoj hlua thiab npog lwm ntu thaum nws dhau los ntawm lub sheave, nws tuaj yeem raug tshem tawm los ntawm kev tuav lub protruding kawg thiab khoov cov hlau rov qab mus txog thaum nws kawg tawg (ib txwm nyob hauv hav ntawm cov strands). Thaum cov hlau tawg tau raug tshem tawm ntawm txoj hlua uas yog ib feem ntawm kev ua haujlwm tu, nws qhov chaw yuav tsum tau sau tseg rau kev siv cov hlua tshuaj xyuas. Yog tias qhov kev txiav txim zoo li no, nws yuav tsum raug suav hais tias yog cov hlau tawg thiab raug coj mus rau hauv tus account thaum soj ntsuam cov kab mob raws li cov txheej txheem tawg ntawm cov hlau tawg.
Thaum cov hlau tawg tau tshwm sim nyob ze lossis ntawm qhov kev txiav tawm, tab sis txoj hlua tsis cuam tshuam rau lwm qhov raws nws qhov ntev, txoj hlua yuav luv luv thiab cov khoom siv dav hlau tau kho dua tshiab. Ua ntej qhov no, qhov seem ntawm cov hlua hlau yuav tsum tau kuaj xyuas kom paub tseeb tias qhov tsawg kawg nkaus ntawm cov ntaub qhwv yuav tsum tau nyob ntawm lub nruas thaum lub crane nyob ntawm nws qhov kev ua haujlwm siab tshaj plaws.
Hlau Rope Hloov
Tshwj tsis yog lwm txoj hlua tau txais kev pom zoo los ntawm cov chaw tsim khoom crane, cov chaw tsim khoom siv hlua lossis lwm tus neeg tsim nyog, tsuas yog cov hlua tau teev tseg los ntawm cov chaw tsim khoom crane ntawm qhov ntev, txoj kab uas hla, kev tsim kho, hom thiab nteg kev taw qhia, thiab lub zog (piv txwv li qhov tsawg kawg nkaus tawg quab yuam) yuav tsum yog siv thiab yuav tsum tau ntsia rau ntawm lub crane. Cov ntaub ntawv ntawm cov hlua hloov yuav tsum tau khaws cia rau hauv cov ntaub ntawv.
Nyob rau hauv cov ntaub ntawv ntawm txoj kab uas hla loj, ropes-resistant ropes, ntxiv txoj kev yuav tsum tau kom ruaj cov hlua xaus, xws li los ntawm kev siv cov hlau bands los yog straps, tshwj xeeb tshaj yog thaum npaj cov qauv kuaj.
Yog tias qhov ntev ntawm txoj hlua yuav siv tau raug txiav los ntawm qhov ntev ntev, xws li los ntawm cov hlua uas tsim los ntawm ntau lub nruas, kev pabcuam yuav tsum tau siv rau ntawm ob sab ntawm qhov taw tes txiav los tiv thaiv txoj hlua los ntawm unraveling (ie unraveling) tom qab txiav. ua tau.
Daim duab hauv qab no qhia txog qhov piv txwv ntawm yuav ua li cas ib txoj hlua ib leeg yuav tsum tau kho ua ntej txiav.
Rau kev sib hloov-tiv taus thiab sib npaug-kaw hlua, ntau yam kev siv yuav tsim nyog. Daim duab hauv qab no qhia txog lwm txoj hauv kev rau txoj kab uas hla loj dua, kev sib hloov-resistant ropes. Ropes uas tsuas yog me ntsis preformed yog feem ntau yuav unravel / tuaj sib nrug tom qab txiav yog tias siv tsis txaus los yog tsis txaus sib koom.
Lus Cim: Cov kev pabcuam no qee zaum kuj hu ua "catch"
Tshwj tsis yog lwm txoj hlua kawg tau txais kev pom zoo los ntawm cov chaw tsim khoom crane, chaw tsim khoom hlua, lossis lwm tus neeg tsim nyog, tsuas yog ib qho ntawm cov hom teev tseg los ntawm cov chaw tsim khoom crane hauv tus neeg teb xov tooj phau ntawv yuav tsum tau siv los txuas txoj hlua rau lub nruas, nuv thaiv, lossis thauj tog rau nkoj taw tes rau ntawm tus neeg kho tshuab qauv.
Nws yog qhov zoo rau kev sim cov hlua ua ntej lossis sai li sai tau tom qab kev teeb tsa, nrog rau lub hauv paus kab rau MRT.
