Kev Paub Txog Kev Lag Luam: Lub Forklift Ntev Li Cas?
Nyob rau hauv ib lub tuam txhab warehousing thiab logistics nqi accounting, forklifts sawv cev rau ib tug tseem ceeb cov cuab tam peev.
Thaum yuav khoom, cov thawj coj feem ntau sib piv cov nqi los ntawm ntau tus neeg muag khoom, ua tib zoo xam cov nqi.
Txawm li cas los xij, thaum cov cuab yeej siv tau tiag tiag, qhov teeb meem tiag tiag tshwm sim: lub forklift yuav kav ntev npaum li cas?
Feem ntau, lub ntsiab lus ntawm "lifespan" yog vague nyob rau hauv cov tuam txhab.
Cov neeg ua haujlwm pem hauv ntej tsom mus rau "txawm nws tuaj yeem ua haujlwm tau," cov kws kho mob tsom mus rau "nws yooj yim npaum li cas los kho,"
thaum lub tuam txhab nyiaj txiag tsom mus rau "txawm tias qhov kev poob qis tau ua tiav tag nrho."
Qhov kev xav tsis zoo no feem ntau ua rau ob qhov kev xav tsis zoo:
1. Ntau dhau "kev qaug zog tsav" ntawm cov khoom siv, yuam nws ua haujlwm nrog kev nyab xeeb, ua rau muaj kev sib tsoo tsis zoo;
2. Cov nqi kho mob twb dhau los ntawm cov khoom siv cov khoom seem, tsis tau lub tuam txhab tseem nqis peev, poob rau hauv qhov nyiaj txiag dub qhov twg "kho lub forklift yog kim dua li yuav nws."
Qhov tseeb, ntev npaum li cas lub forklift tuaj yeem kav ntev tsis yog ib qho yooj yim pes tsawg xyoo; nws yog txiav txim los ntawm ntau yam.
Lub ntsiab lus ntawm Forklift Lifespan
Txhawm rau ntsuas tus nqi ntawm lub forklift kom raug, nws yog ib qho tseem ceeb kom paub qhov txawv ntawm peb lub tswv yim hauv qab no:
** Tsim Lifespan (Theoretical Upper Limit)**
Qhov no yog qhov zoo tagnrho lifespan xam los ntawm cov chaw tsim khoom raws li lub zog qaug zog ntawm cov khoom thaum lub forklift tawm ntawm lub Hoobkas. Feem ntau, kev tsim lub neej ntawm lub forklift sab hauv combustion yog 10,000 txog 15,000 teev ua haujlwm, thaum lub zog ntawm lub forklift yog nyob ib ncig ntawm 12,000 teev. Qhov no yog sib npaug rau lub forklift "kev txwv lub cev."
** Kev Pabcuam Lub Neej (Economic Lifespan)**
Qhov no yog hais txog lub sijhawm uas lub forklift tswj kev ua haujlwm ib txwm siv hauv kev siv tiag tiag. Thaum cov nqi tu ntawm lub forklift pib nce ntau, txawm tias dhau qhov kev ua haujlwm ntawm tus nqi nws tsim, nws "kev lag luam lifespan" tau mus txog qhov kawg. Hauv lwm lo lus, nws yog tus qauv rau kev txiav txim siab seb "kev kho nws puas tsim nyog."
* ** Kev nyab xeeb Lifespan (Siv txoj kab liab)**
Qhov no yog qhov yooj yim tshaj plaws saib tsis tau qhov tseem ceeb tshaj plaws. Txawm hais tias lub forklift tseem tuaj yeem ua haujlwm, yog tias tsis tuaj yeem ua rau qaug zog puas tsuaj lossis cov kab nrib pleb tshwm nyob rau hauv cov khoom tseem ceeb xws li mast thiab thav duab, nws tau poob nws qhov kev ruaj ntseg lav. Thaum lub sijhawm kev nyab xeeb tas mus li, txawm tias lub forklift tshiab zoo li cas, nws yuav tsum raug tshem tawm ntawm kev pabcuam. National Standard: Technical Basis forklift Prohibition and Scrapping Kev tswj kev nyab xeeb ntawm forklifts yog yuav tsum tau ua raws li kev cai lij choj thiab cov qauv hauv teb chaws. Cov txheej txheem rau kev txiav txim siab seb lub forklift yuav tsum raug txwv lossis muab pov tseg tau muab faib ua ob ntu: "kev txwv" thiab "scrapping."
1. Kev cai lij choj ntawm kev khawb
Raws li Tshooj 48 ntawm * Cov Khoom Siv Tshwj Xeeb Kev Nyab Xeeb Kev Nyab Xeeb ntawm Cov Neeg Tuam Txhab Tuam Txhab Tuam Txhab Tuam Tshoj *, cov cuab yeej tshwj xeeb yuav tsum tau muab pov tseg raws li cov xwm txheej hauv qab no:
Kev Nyab Xeeb Kev Nyab Xeeb: Muaj kev phom sij loj heev, suav nrog kev tsim khoom tsis raug cai, siv dhau qhov tsis muaj, tsis muaj cov khoom siv tiv thaiv kev nyab xeeb, tsis ua raws li kev tshuaj xyuas, lossis kev ua haujlwm tsis raug cai.
Tsis Muaj Tus Nqi Kho: Kev kho tsis tuaj yeem ua tau raws li cov kev xav tau kev nyab xeeb, lossis tus nqi kho tsis tsim nyog.
2. Qhov "kev txwv" hauv GB / T 44679-2024 yog hais txog qhov yuav tsum tau ua kom lub forklift yuav tsum raug tshem tawm ntawm kev pabcuam vim tsis ua raws li kev nyab xeeb kev ua haujlwm lossis cov qauv emission. Kev txwv yuav raug siv yog tias muaj ib qho ntawm cov xwm txheej hauv qab no tau ua tiav:
Hydraulic System Performance:
* Qhov siab tshaj plaws ceev nyob rau hauv tag nrho load tshaj 600 mm / s.
* Rau forklifts nrog lub peev xwm nqa nqa tsawg dua los yog sib npaug li 10000 kg, lub ntuj load slippage tshaj 100 mm nyob rau hauv 10 feeb; rau forklifts nrog lub peev xwm nqa tau> 10000 kg, qhov slippage tshaj 200 mm.
* Qhov kev hloov ntawm lub mast lub ntuj qaij lub kaum sab xis nyob rau hauv 10 feeb ntau tshaj qhov teev tus nqi (xws li, forklifts nrog lub siab tshaj plaws qaij lub kaum sab xis siab tshaj los yog sib npaug rau 5 degree, ib tug qaij lub kaum sab xis tshaj 1℃yog txwv tsis pub).
Critical Component Condition:
* Ncej thiab mast: Yas deformation los yog pom tseeb tawg.
* Forks: nto tawg; hnav rau ntawm kab rov tav lossis ntsug mus txog 10% ntawm cov qauv tsim; qhov siab sib txawv ntawm ob lub tswv yim diav rawg tshaj 3% ntawm kab rov tav ntu ntev.
Cov log tsheb: cov log tsheb pneumatic hnav rau lawv qhov txwv lossis nrog cov kab ntsaum; cov log tsheb uas muaj cov kab nrib pleb nyob rau hauv lub log tsheb carcass los yog ib nrab roj hmab sib cais.
Lwm yam: chains tawg los yog deformed; hydraulic kab nrog cov kab nrib pleb, bulges, los yog xau ntawm sab nrauv.
Braking Performance: Nres nres nres tsis tuaj yeem nres lub forklift ntawm txoj kab nqes (piv txwv li, txoj kab nqes 15% rau caij tsheb- ntawm forklifts); braking nrug tshaj tus nqi xam los ntawm tus qauv qauv.
3. Scrapping Technical Conditions Specified nyob rau hauv GB / T 44679-2024: Lub forklift yuav tsum xaus nws lub neej kev pab cuam thiab nkag mus rau hauv cov txheej txheem scrapping yog hais tias ib yam ntawm cov nram qab no tej yam kev mob:
Kev puas tsuaj loj: Kev puas tsuaj loj lossis kev puas tsuaj rau lub ntsiab thauj khoom -cov kabmob ntawm lub thav duab (xws li kev txhawb nqa lub tog raj kheej qaij, kev txhawb nqa mast, pem hauv ntej thiab nram qab qag, lub log txhawb nqa, thiab cov khoom siv kho qhov hnyav) uas kho tsis tau.
Hla-sectional Corrosion: Tus ntoo khaub lig-sectional corrosion thickness ntawm lub ntsiab load-cov kabmob ntawm cov ncej nce mus txog 10% ntawm qhov tsim thickness thiab kho tsis tau.
Yuav Tsum Muaj Kev Pabcuam Lub Neej: Forklifts nrog lub peev xwm nqa nqa tsawg dua lossis sib npaug li 0000kg muaj lub neej ua haujlwm tshaj 15 xyoo; forklifts nrog lub peev xwm nqa tau> 10000kg muaj lub neej ua haujlwm tshaj 20 xyoo.
Environmental Mandatory Measures: Diesel forklifts uas emissions tsis ua raws li cov qauv thiab tsis tuaj yeem hla cov pa taws lossis cov pa phem kuaj txawm tias tom qab kho.
5 Yog vim li cas cuam tshuam rau Forklift Lifespan: Txawm hais tias lub teb chaws cov qauv tau teev tseg lub hnub nyoog ntawm 15 mus rau 20 xyoo, hauv kev ua haujlwm tiag tiag, ntau lub forklifts feem ntau ncav cuag lub xeev "neeg xiam oob qhab" ntxov vim kev siv tsis raug txhua hnub.
Cov hauv qab no yog 5 yam tseem ceeb cuam tshuam rau lub cev lub neej ntawm forklifts:
1. Kev siv zog (kev qaug zog): Lub neej ntev ntawm forklift structural Cheebtsam nyob ntawm tus naj npawb ntawm kev ntxhov siab.
High-Kev Ua Haujlwm Zaus: Siab- siv hom kev ua haujlwm xws li ob lossis peb zaug hloov pauv cov khoom siv hlau ua kom muaj kev hloov pauv siab rau lub sijhawm ntev, yooj yim ua rau cov yas deformation lossis qaug zog tawg hauv cov khoom tseem ceeb xws li cov mast thiab ncej.
1. Lifting Cycle: Ntau zaus - load lifting accelerates hnav ntawm hydraulic twj, ntsaws ruaj ruaj, thiab nqa chains, shortening lub neej kev pab cuam ntawm lub hydraulic system.
2. Kev khiav hauj lwm ib puag ncig (lub cev thiab tshuaj hnav)
Corrosive Ib puag ncig: Forklifts siv nyob rau hauv txias cia, tshuaj nroj tsuag, los yog tshuaj tsuag ntsev ib puag ncig muaj kev cuam tshuam sai ntawm corrosion ntawm lub load-cov kabmob seem ntawm tus ncej ntau dua li niaj zaus. Yog hais tias lub thickness ntawm corrosion mus txog qhov tsim thickness thiab tsis tuaj yeem kho, lub forklift yuav tsum tau muab pov tseg.
Plua plav thiab qhov kub thiab txias sib txawv: Cov plua plav siab ib puag ncig txhaws cov radiators thiab exacerbate engine hnav; Qhov kub thiab txias sib txawv ua rau kev laus thiab tawg ntawm hydraulic kab thiab cables.
3. Kev coj cwj pwm ua haujlwm (Mechanical Shock)
Impact Load: Nquag nres nres, siab -ceev ceev, lossis cuam tshuam ncaj qha ntawm rab rawg ntawm cov khoom ua rau muaj kev cuam tshuam loj heev ntawm lub qag, lub kauj, thiab cov log tsheb.
Accelerated Wear: Ntev- lub sijhawm ua haujlwm nrog qhov tsis xws luag lossis overloading tuaj yeem ua rau hnav ntau dhau ntawm cov kab rov tav ntawm rab rawg, ua rau lawv cov load-cov kabmob muaj peev xwm tsis txaus rau kev nyab xeeb.
4. Kev Saib Xyuas thiab Kev Kho Mob (Kev Tiv Thaiv Kev Kho Dua)
Lubrication Failure: Tsis txaus lubrication ntawm mast rollers thiab sprocket bearings yuav ua rau kev ua haujlwm tsis zoo, suab nrov txawv txav, lossis cov yas deformation, ncaj qha ua rau cov khoom siv tsis tau.
Hydraulic System Leaks: Tsis tu ncua hloov cov roj hydraulic thiab cov ntxaij lim dej yuav ua rau muaj kev cuam tshuam sai ntawm cov kab hydraulic thiab cov ntsaws ruaj ruaj, ua rau sab hauv xau thiab thauj khoom ntau dhau.
5. Kev Tswj Xyuas Txheej Txheem (Risk Control)
Tsis Muaj Kev Tshuaj Ntsuam Xyuas Txhua Hnub: Yog tsis muaj kev tshuaj xyuas txhua hnub nruj, cov teeb meem xws li cov khoom siv ceeb toom uas ploj lawm thiab lub rooj zaum siv tsis raug cai yuav muaj, ua rau muaj kev pheej hmoo ua haujlwm.
Kev Tswj Xyuas Cov Ntaub Ntawv: Tsis ua tiav cov hnub tsim khoom thiab cov ntaub ntawv khaws cia yuav ua rau nws nyuaj rau cov tuam txhab los txiav txim siab seb lub tsheb puas tau mus txog lawv cov hnub nyoog raug cai (15 lossis 20 xyoo).
Yuav Ua Li Cas Txiav Txim Lub Sijhawm Rau Kev Txiav Txim?
Kev txiav txim siab seb lub forklift yuav tsum tau muab pov tseg tsis tuaj yeem ua raws li kev paub dhau los.
Cov tuam txhab lag luam yuav tsum ua qhov kev ntsuam xyuas zoo los ntawm peb qhov loj me hauv qab no, sib txuas cov "cov qauv nruj" ntawm cov cai thiab cov cai nrog "tus qauv kev lag luam" ntawm kev tswj cov cuab tam:
1. Kev soj ntsuam raws li txoj cai thiab kev ua raws cai
Ua ntej, ua ib qho kev ntsuam xyuas tawm tsam "Technical Specifications for the Prohibition and Scrapping of Forklifts" GB/T 44679-2024. Yog tias ib qho ntawm cov xwm txheej hauv qab no tau ua tiav, cov txheej txheem scrapping yuav tsum pib tam sim:
Structureal Integrity: Tshawb xyuas lub ntsiab load-cov kabmob ntawm cov ncej (xws li kev txhawb nqa lub tog raj kheej qaij, cov mast txhawb nqa, thiab lwm yam) rau qhov hnyav deformation lossis puas.
Hla -sectional Poob: Ntsuas tus ntoo khaub lig- ntu ntawm lub ntsiab thauj khoom- cov kabmob cov kabmob los txiav txim siab seb qhov corrosion thickness tau mus txog 10% ntawm cov qauv tsim thiab yog irreparable.
Mandatory Service Life: Verify the vehicle's manufacturing date. For vehicles with a rated lifting capacity ≤10000kg, have been in service for 15 years; for vehicles with a rated lifting capacity >10000kg, tau ua haujlwm rau 20 xyoo.
Kev Ntsuam Xyuas Emissions: Tom qab kho, yog tias cov pa luam yeeb lossis cov pa phem ntawm lub forklift diesel tseem tsis ua raws li qhov yuav tsum tau ua ntawm GB 36886 lossis HJ 1014, lub forklift emissions yuav raug suav tias tsis txaus . 2. Kev Saib Xyuas Kev Tshawb Fawb Kev Lag Luam (R Ratio) Thaum lub tsheb tseem tsis tau mus txog qhov kev saib xyuas raug cai, tab sis tus txiv neej tsis txaus Kev ntsuas qhov piv yuav tsum tau qhia.
Tus Nqi Them Ib Leeg: Yog tias tus nqi kwv yees ntawm ib qho kev hloov kho loj (xws li hloov cov khoom tseem ceeb xws li lub zog hluav taws xob lossis lub twj tso kua mis hydraulic) tshaj li 40% -50% ntawm tus nqi yuav khoom tshiab, lub tsheb feem ntau suav tias tau poob nws cov nqi kho.
Kev siv nyiaj ib xyoos ib zaug: xam cov nqi kho mob (nrog rau cov khoom thiab kev ua haujlwm) hauv 12 lub hlis dhau los. Yog tias qhov kev siv nyiaj no nyob ze lossis ntau dua 50% ntawm lub tsheb tam sim no tus nqi seem, nws qhia tau hais tias cov khoom siv tau nkag mus rau lub sijhawm tsis ua haujlwm siab thiab nws lub neej kev lag luam tau xaus.
3. Kev Ua Haujlwm Zoo thiab Kev Ntsuam Xyuas Kev Nyab Xeeb
Downtime Losses: Ntsuas cov kab ntau lawm downtime losses tshwm sim los ntawm lub tsheb malfunctions. Qhov zais "cov nqi poob haujlwm" uas tshwm sim los ntawm qhov tsis tshua muaj kev ntseeg siab ntawm cov qub forklifts feem ntau nyob deb tshaj cov nyiaj them txhua hli rau kev qiv nyiaj los yog yuav cov tshuab tshiab.
Kev Nyab Xeeb Risk Bias: Ntsuas qhov hnav thiab tsim kua muag ntawm cov khoom tseem ceeb (xws li rab rawg, chains, thiab hydraulic kab). Piv txwv li, thaum lub thickness ntawm kab rov tav seem ntawm rab rawg raug txo mus rau 90% ntawm tus tsim thickness, nws rated lifting muaj peev xwm yuav txo tau ho. Txuas ntxiv siv nws nyob rau hauv cov xwm txheej no yuav ua rau muaj kev pheej hmoo ntawm kev nyab xeeb.
Hauv cov ntsiab lus, hais txog cov lus nug ntawm "lub forklift siv tau ntev npaum li cas," nws yog ib qho tseem ceeb kom paub meej tias: kev pab cuam lub neej tsis yog tib lo lus teb.
Cov qauv kev tswj hwm tau teev tseg ib qho kev pabcuam lub neej rau forklifts;
Txawm li cas los xij, hauv kev ntsuam xyuas tiag tiag, seb puas yuav siv lawv txuas ntxiv yog nyob ntawm lawv cov kev ua haujlwm thiab kev ua raws cai- suav nrog kev puas tsuaj rau cov khoom loj-cov qauv kev coj tus kheej xws li cov ncej, txawm tias hla -sectional corrosion tshaj qhov txwv, thiab seb cov emissions tseem ua tau raws li cov kev cai tam sim no.
Qhov no yog vim li cas ntau lub forklifts tsis "tshem tawm thaum ncav cuag lawv lub neej kev pabcuam," tab sis raug yuam tawm ntawm kev pabcuam thaum muaj kev nyab xeeb lossis kev ua raws li cov xwm txheej tsis tau ntsib.
Thaum kawg, peb xav hnov koj cov kev paub dhau los: Hauv koj lub tsev rau khoom lossis lub Hoobkas, pes tsawg xyoo uas lub forklift qub tau siv?
Hauv koj lub tswv yim, dab tsi yog yam tseem ceeb uas txiav txim siab lub forklift lub neej: kev ua haujlwm, qhov chaw ua haujlwm, lossis kev tswj hwm thiab kev saib xyuas?
