Kev daws teeb meem hluav taws xob hoist yog ib qho tseem ceeb ntawm cov khoom siv nqa nqa kev lag luam thiab cov txheej txheem tswj kev nyab xeeb. Hluav taws xob hoists, raws li cov khoom siv dav siv ntau tshaj plaws thiab cov khoom nqa me me hauv cov chaw tsim khoom, tsev khaws khoom, thiab cov chaw ua haujlwm, muaj lawv cov kev ua haujlwm ruaj khov ncaj qha cuam tshuam rau kev tsim khoom, khoom siv lifespan, thiab kev ruaj ntseg ntau lawm. Thaum lub sij hawm siv, cov neeg siv yuav inevitably ntsib teeb meem nrog cov khoom malfunctions. Qhov no tsis yog vim tsim qhov tsis zoo ntawm cov chaw tsim khoom hluav taws xob hoist, tab sis yog vim li cas rau cov khoom xws li hluav taws xob tsis zoo, hnav thiab tsim kua muag ntawm cov khoom siv tshuab, nres qhov tsis ua haujlwm, lossis kev ua haujlwm tsis zoo txhua hnub. Los ntawm kev txheeb xyuas qhov ua tsis tau zoo thiab siv txoj hauv kev daws teeb meem kom raug, cov neeg siv tuaj yeem txheeb xyuas tam sim thiab daws teeb meem feem ntau lawv ntsib.
Tom ntej no, tsab xov xwm no yuav pib los ntawm tus neeg siv qhov kev xav, tsom mus rau kev siv hluav taws xob hoist teeb meem daws teeb meem. Peb yuav txheeb xyuas thiab txheeb xyuas cov kev ua haujlwm tsis zoo, muab cov lus qhia daws teeb meem thiab cov ntsiab lus tseem ceeb los pab cov neeg siv sai sai txheeb xyuas cov cuab yeej ua tsis tiav, muab kev daws teeb meem, thiab tiv thaiv kev pheej hmoo.
1. Lub tshuab hluav taws xob hoist tsis teb thaum tus neeg siv nias lub khawm ntawm lub crane lub chaw taws teeb tswj.
Cov teeb meem no feem ntau tshwm sim thaum pib, thaum tsiv chaw ua haujlwm, lossis tom qab lub sijhawm tsis ua haujlwm ntev.
Teeb meem txhaum
- Fais fab mov tsis txuas, voltage tsis txaus, los yog theem poob.
- Thaum muaj xwm ceev nres khawm tsis rov pib dua.
- Kev tiv thaiv overload lossis thermal tiv thaiv yog qhib.
- Cov nyees khawm tswj lossis cov contactors puas lawm.
Kev daws teeb meem
- Xyuas seb lub hwj chim loj, qhov hluav taws xob, thiab theem ua ntu zus yog qhov qub.
- Xyuas kom lub pob nres thaum muaj xwm ceev nyob rau hauv lub xeev tso tawm.
- Tshem tawm tej yam kev mob overload thiab tos kom lub kaw lus tiv thaiv rov pib dua.
- Tshawb xyuas lub crane cov chaw taws teeb tswj cov nyees khawm thiab tswj cov khoom, thiab hloov cov khoom puas.
2. Lub tshuab hluav taws xob tsuas tuaj yeem txav mus rau sab saud lossis tsuas yog txav mus rau hauv qab xwb.
Thaum cov neeg siv ua haujlwm ntawm lub cuab yeej, qee zaum lawv yuav ntsib cov xwm txheej uas nws tsuas yog txav mus rau sab saud tab sis tsis nqes mus, lossis rov ua dua. Qhov tshwm sim no tuaj yeem ua rau cov neeg siv dag zog xav tias muaj lub cev muaj zog ua haujlwm tsis zoo, tab sis nws muaj feem cuam tshuam nrog kev tswj lossis txwv kev hloov pauv.
Teeb meem txhaum
- Kev puas tsuaj los yog faulty khawm / hloov.
- Kev ua kom yuam kev ntawm qhov txwv hloov.
- Loose thaiv kev sib txuas.
- Contactor tsis ua hauj lwm nyob rau hauv ib qho kev taw qhia.
Kev daws teeb meem
- Tshawb xyuas thiab hloov cov kev sib cuag khawm puas.
- Xyuas seb qhov txwv hloov pauv tau ua tsis raug lossis tawm ntawm txoj haujlwm.
- Tighten tswj Circuit Court terminals.
- Kuaj thiab hloov faulty contactors.
3. Cov cuab yeej nqa qhov nrawm nrawm dua li ua ntej.
Cov neeg siv pom qhov txo qis ntawm kev nqa ceev ntawm lub tshuab hluav taws xob hoist, qhov nyuaj ntawm kev nqa cov khoom thauj, thiab kev ua haujlwm tsis sib xws raws li qhov ntsuas ntsuas. Qhov no feem ntau yog "load abnormality lossis hnav ceeb toom teeb liab" los ntawm cov khoom siv.
Teeb meem txhaum
- Cov khoom hnyav tshaj qhov ntsuas load.
- Lub cev muaj zog lossis gearbox efficiency txo.
- Hlau hlua los yog chains tsis txaus lubricated los yog hnyav hnyav.
- Fais fab mov voltage yog tsawg.
Kev daws teeb meem
- Tam sim ntawd ncua kev siv thiab txheeb xyuas qhov nqa qhov hnyav.
- Cov neeg ua haujlwm yuav tsum xyuas qhov kev khiav haujlwm ntawm lub gearbox thiab lub cev muaj zog.
- Cov neeg ua haujlwm tu yuav tsum lubricate lossis hloov cov hlua hlau lossis cov saw hlau.
- Cov neeg siv yuav tsum ntsuas thiab kho qhov hluav taws xob voltage.
4. Tom qab tus neeg siv tsis ua haujlwm ntawm lub cuab yeej, cov khoom pib swb.
Thaum tus neeg teb xov tooj tso lub khawm, lawv pom tias cov khoom hnyav tseem swb ib qho kev ncua deb, qhia tias lub braking system tsis muaj kev ntseeg siab tuav lub load. Qhov tshwm sim no ua rau muaj kev pheej hmoo siab - tsis ua haujlwm, thiab cov neeg siv yuav tsum tau ua tib zoo saib xyuas nws.
Teeb meem txhaum
- Nres ncoo yog hnav hnyav heev.
- Nres springs yog nkees.
- Lub kaw lus nres yog paug nrog roj.
- Nres coil voltage tsis txaus.
Kev daws teeb meem
- Tus neeg siv yuav tsum tsis txhob siv lub cuab yeej tam sim ntawd, tshuaj xyuas thiab hloov cov nres nres.
- Xyuas seb cov brakes yog deformed los yog corroded.
- Ntxuav lub nres system ntawm cov roj thiab kho qhov clearance.
- Kuaj lub brake kauj thiab lub hwj huam mov voltage.
5. Cov cuab yeej ua kom nrov nrov lossis kev co thiab lub suab txawv txawv thaum ua haujlwm.
Thaum lub sijhawm ua haujlwm, lub tshuab hluav taws xob hoist pom cov suab nrov txawv txav, nce kev co, lossis cov suab sib tsoo hlau. Qhov no yog ib qho kev ceeb toom ntawm cov teeb meem muaj peev xwm nrog cov khoom siv kho tshuab sab hauv.
Teeb meem txhaum
- Cov kabmob hnav lossis puas.
- Cov iav meshing txawv txav hauv lub gearbox.
- Loose couplings los yog fasteners.
- Tsis txaus lubrication ntawm mechanical Cheebtsam.
Kev daws teeb meem
- Tus neeg siv tam sim ntawd kaw lub tshuab thiab tshuaj xyuas qhov xwm txheej ntawm cov kabmob thiab lub zog.
- Cov neeg ua haujlwm tu neeg ua haujlwm ntxiv lossis hloov cov roj lubricating.
- Tus neeg teb xov tooj nruj ib qho xoob Cheebtsam.
- Cov xwm txheej ntawm lub gearbox raug kuaj xyuas, thiab kho lossis hloov pauv tau ua raws li xav tau.
6. Kev ua kom nquag plias ntawm qhov txwv hloov.
Cov neeg siv feem ntau ua rau cov kev txwv hloov pauv thaum lub sijhawm ua haujlwm, ua rau lub cuab yeej tsis tuaj yeem khiav tsis tu ncua.
Teeb meem txhaum
- Qhov kev txwv qhov hloov pauv tsis raug ntsia.
- Tiv tauj cov ntsiab lus hnav los yog mechanically jammed.
- Lub lifting qhov siab qhov chaw yog tsis tsim nyog.
Kev daws teeb meem
- Tus neeg siv tau kho qhov txwv hloov txoj haujlwm.
- Lub hnub nyoog lossis puas txwv hloov cov khoom raug hloov.
- Cov kev nqa thiab txo qis tau hloov kho.
- Tshem tawm lossis hla cov khoom siv kev nyab xeeb yog txwv nruj.
7. Cov khoom siv muaj lub neej ua haujlwm luv.
Nyob rau tib lub sijhawm ua haujlwm, kev pabcuam lub neej ntawm cov hluav taws xob hoists tuaj yeem sib txawv ntawm cov neeg siv sib txawv. Qhov no feem ntau cuam tshuam nrog cov qauv siv niaj hnub thiab kev saib xyuas zaus.
Tej Yam Ua
- Cov neeg siv feem ntau overload los yog raug cov cuab yeej ua rau poob siab loads.
- Cov neeg ua haujlwm rub lossis rub cov khoom hnyav ntawm lub kaum sab xis.
- Cov neeg ua haujlwm kho mob tsis muaj kev tshuaj xyuas thiab tu.
Cov txheej txheem kom ncua cov khoom siv Lifespan
- Cov neeg ua haujlwm yuav tsum siv cov khoom siv nruj me ntsis raws li cov ntsuas ntsuas.
- Cov neeg siv yuav tsum siv cov cuab yeej kom raug thiab tsis txhob nqa txoj kev nqa tsis zoo.
- Cov neeg siv yuav tsum tsim kom muaj kev saib xyuas tsis tu ncua thiab kev tshuaj xyuas.
- Cov neeg ua haujlwm tu yuav tsum hloov cov khoom hnav kom sai.
8. Gearbox Roj leakage
Teeb meem txhaum
- Hnav los yog puas sealing rings ntawm lub vaj tse thiab npog.
- Loose bolts ntawm lub gearbox
Kev daws teeb meem
- Hloov lub foob
- Tsis txhob siv cov khoom siv, thiab tus neeg siv yuav tsum ceev cov bolts.
Xaus
Cov ntsiab lus saum toj no piav qhia txog kev daws teeb meem hluav taws xob hoist thiab cov kev daws teeb meem sib xws. Los ntawm tus neeg siv txoj kev xav, feem ntau cov hluav taws xob hoist malfunctions qhia meej "cov teeb liab." Los ntawm kev txheeb xyuas qhov tshwm sim tsis zoo no thiab ua qhov tsim nyog daws teeb meem thiab kho cov kev ntsuas, cov neeg siv tuaj yeem tshem tawm cov teeb meem uas yuav tshwm sim ua ntej lawv nce ntxiv, ua kom muaj kev ruaj ntseg ntau lawm, txo cov khoom siv downtime, thiab txuas ntxiv lub neej kev pab cuam ntawm cov khoom siv. Minecranes tau cog lus los muab cov ntaub ntawv tseem ceeb thiab cov peev txheej rau koj.
