Nyob rau hauv dab tsi tshwm sim yuav tes saw hoist yuav overloaded

Nyob rau hauv dab tsi tshwm sim yuav tes saw hoist yuav overloaded
Lub tes saw hoist yog ib qho khoom siv nqa nqa, uas yog siv dav hauv ntau qhov chaw xws li kev lag luam, kev thauj mus los, thiab kev tsim kho. Txawm li cas los xij, hauv kev siv tiag tiag, yog tias kev ua haujlwm tsis raug lossis qee yam tseem ceeb raug tsis quav ntsej, tes saw hoist yuav dhau mus, uas yuav tsis tsuas cuam tshuam rau lub neej kev pabcuam ntawm cov khoom siv, tab sis kuj yuav ua rau muaj kev nyab xeeb loj. Kab lus no yuav tshawb txog qhov tob ntawm ntau yam xwm txheej ntawm tes saw hoist overload thiab muab cov kev tiv thaiv sib xws thiab cov kev daws teeb meem.

1. Cov xwm txheej ntawm tes saw hoist overload

(I) Kev ua haujlwm tsis raug
Kev xaiv tus qauv tsis raug: Thaum siv lub tes saw hoist, yog tias qhov ntsuas ntsuas ntawm cov qauv xaiv tsawg dua qhov hnyav ntawm cov khoom hnyav uas yuav tsum tau nqa, nws yooj yim ua rau overload. Piv txwv li, yog hais tias ib tug 5-tuj hnyav khoom yuav tsum tau nqa, tab sis ib tug tes saw hoist nrog ib tug rated load ntawm 3 tons yog xaiv, qhov no yuav pom tseeb ua rau lub hoist nqa ib tug load tshaj nws tsim ntau yam thaum lub sij hawm ua hauj lwm.
Oblique lifting: Thaum lub lifting saw ntawm tes saw hoist tsim ib lub kaum sab xis nrog rau ntsug kev taw qhia rau lifting, cov saw yuav dais ntxiv lateral quab yuam, uas yog sib npaug rau nce lub load ntawm lub hoist. Yog tias lub kaum sab xis loj dhau, txawm tias qhov ntsuas qhov ntsuas ntawm lub hoist txaus, cov saw hlau lossis lwm yam khoom siv yuav raug overloaded vim yog oblique rub, ua rau overload.
Kev ua haujlwm asynchronous thaum ntau lub hoists ua haujlwm ua ke: Hauv qee qhov kev ua haujlwm nqa loj, ntau lub tes saw hoists yuav tsum tau nqa cov khoom hnyav ua ke. Yog tias kev ua haujlwm ntawm txhua lub hoist tsis synchronized, qee qhov hoists yuav dais ntau dhau, thaum lwm qhov hoists sib dua. Qhov kev faib tsis sib npaug no yuav ua rau qee qhov hoists ua haujlwm dhau.

(II) Cov cuab yeej kev laus lossis kev puas tsuaj
Chain hnav: Cov saw ntawm tes saw hoist yog cov khoom tseem ceeb uas tuav lub ntsiab rub lub zog. Nrog rau kev siv sijhawm ntau ntxiv thiab siv ntau zaus, cov saw yuav hnav. Thaum hnav ntawm cov saw ntau tshaj li ib qho kev txwv, nws qhov kev ua haujlwm ntawm qhov chaw hlais qis thiab nws lub zog txo. Nyob rau hauv tib lub load, kev ntxhov siab ntawm cov saw hlau nce, thiab nws yooj yim rau overload.
Nres tsis ua hauj lwm: Lub nres yog ib qho tseem ceeb ntawm kev ruaj ntseg cuab yeej ntawm tes saw hoist, uas yog siv los ua kom cov khoom hnyav nyob ruaj ruaj thaum lub sij hawm nqa. Yog tias tus nres nres vim hnav, roj lossis lwm yam laj thawj, thaum tus neeg teb xov tooj tso lub zipper, qhov hnyav yuav nrawm vim nws lub ntiajteb txawj nqus. Nyob rau lub sijhawm no, cov saw hlau thiab lwm qhov ntawm lub hoist yuav tsum tau tiv thaiv kev cuam tshuam ntau dua, uas yuav ua rau overload.
Lwm qhov chaw muaj kev laus los yog puas: Yog hais tias tus nuv, iav thiab lwm yam yog deformed, tawg, hnav thiab lwm yam teeb meem tshwm sim, lub load-bearing muaj peev xwm thiab stability ntawm tag nrho hoist yuav raug txo, thiab overload yuav tshwm sim nyob rau hauv ib txwm load.
(III) Environmental Factors
Kub thiab av noo: Tes saw hoists feem ntau ua hauj lwm ib txwm nyob rau hauv ib tug tej yam kub thiab av noo ntau yam. Yog tias siv nyob rau hauv ib puag ncig uas kub dhau los lossis qis dhau, lub zog thiab tawv ntawm cov hlau yuav hloov pauv, cuam tshuam rau lawv lub peev xwm thauj khoom. Piv txwv li, nyob rau hauv qhov kub thiab txias ib puag ncig, steel yuav nkig thiab nquag tawg; Nyob rau hauv ib puag ncig kub kub, cov khoom hlau yuav deform vim thermal expansion, txo lawv lub peev xwm los nqa loads. Tsis tas li ntawd, qhov chaw muaj av noo siab tuaj yeem ua rau xeb ntawm qhov chaw xws li chains, nce kev sib txhuam thiab hnav tus nqi, thiab yog li cuam tshuam rau kev ua haujlwm ib txwm muaj thiab kev ua haujlwm ntawm lub hoist.
Qhov chaw ua haujlwm tsis sib luag lossis tsis ruaj khov: Yog tias qhov chaw txhawb nqa ntawm cov saw hoist tsis sib npaug lossis tsis ruaj khov, xws li thaum siv rau hauv av mos, qhov chaw siab lossis lub vibrating platforms, lub hoist yuav qaij lossis co thaum nqa, ua rau lub zog tsis sib xws ntawm cov saw thiab lwm yam khoom, ua rau muaj kev pheej hmoo ntau dhau.

2. Yuav ua li cas kom tsis txhob overloading ntawm saw hoists

(I) raug xaiv thiab siv

Xaiv tus qauv tsim nyog raws li qhov xav tau tiag tiag: Thaum twgxaiv ib tug saw hoist, koj yuav tsum nkag siab txog qhov hnyav, cov duab, qhov loj me thiab qhov chaw ua haujlwm ntawm cov khoom hnyav yog hoisted, thiab xaiv cov qauv nrog cov khoom ntsuas ntsuas ntau dua lossis sib npaug ntawm qhov hnyav ntawm cov khoom hnyav, thiab xav txog qee yam kev nyab xeeb. Nws yog feem ntau pom zoo kom xaiv cov saw hoist uas tsawg kawg yog 50% ntau dua li qhov hnyav ntawm cov khoom siv hoisted.

Ua haujlwm nruj raws li cov txheej txheem kev khiav hauj lwm: Cov neeg ua haujlwm yuav tsum tau txais kev cob qhia kev cob qhia thiab paub txog kev siv thiab kev ceev faj ntawm cov saw hoist. Thaum lub sij hawm lifting txheej txheem, khaws cov saw ntsug kom tsis txhob oblique lifting; Thaum ntau hoists ua hauj lwm ua ke, xyuas kom meej tias lub lag luam yog synchronized thiab cov load yog sib npaug.
Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua: Ua ntej siv, ua tib zoo xyuas seb qhov zoo li ntawm tes saw hoist puas puas, deformed, tawg, thiab lwm yam, seb cov saw hlau puas zoo li qub, twisted los yog knotted, thiab seb lub nres puas yog rhiab thiab txhim khu kev qha. Tsis tu ncua tuav lub tes saw hoist, nrog rau kev tu, lubricating cov saw thiab kis tau tus mob, hloov qhov hnyav hnyav, thiab lwm yam, kom ntseeg tau tias nws ua haujlwm zoo.

(II) Txhim khu kev tswj cov khoom siv
Tsim cov ntaub ntawv khoom siv: Tus lej txhua lub tes saw hoist, tsim kom muaj cov ntaub ntawv ntxaws ntxaws, sau nws cov lus qhia tshwj xeeb, qauv, ntsuas lub peev xwm nqa, chaw tsim khoom, hnub tsim khoom, sijhawm yuav khoom, cov ntaub ntawv tu thiab lwm yam ntaub ntawv, txhawm rau txhawm rau tswj xyuas thiab taug qab cov khoom siv.
Kev tshuaj xyuas tsis tu ncua thiab muab pov tseg: Raws li cov kev cai thiab cov qauv, tsis tu ncua tshuaj xyuas thiab ntsuas lub tes saw hoist, xws li kev soj ntsuam xyuas thiab kev ntsuas kev ua tau zoo ib xyoos ib zaug. Tes saw hoists uas tau siv ntev dhau lawm, muaj hnub nyoog hnyav, lossis tsis tuaj yeem ua tau raws li kev nyab xeeb tom qab kev kho ntau yam yuav tsum tau muab pov tseg rau lub sijhawm kom tsis txhob muaj kev nyab xeeb xws li overload los ntawm cov khoom siv laus.
(III) Txhim kho qhov chaw ua haujlwm
Xyuas kom meej tias qhov chaw ua haujlwm yog tiaj tus thiab ruaj khov: Ua ntej siv tes saw hoist, xyuas thiab teeb tsa lub chaw ua haujlwm kom paub meej tias cov ntsiab lus txhawb nqa yog tiaj tus, ruaj khov, ruaj khov, thiab tuaj yeem nqa tag nrho qhov hnyav ntawm lub hoist thiab cov khoom hnyav. Tsis txhob siv nws ntawm qhov tsis sib xws los yog mos hauv av kom txo tau qhov hoist shake lossis tilting thaum nqa.
Tswj lub ambient kub thiab av noo: Sim kom tsis txhob siv tes saw hoist nyob rau hauv ib qho chaw uas muaj huab cua kub thiab high humidity. Yog tias nws tsis tuaj yeem zam tau, kev tiv thaiv tsim nyog yuav tsum tau ua, xws li preheating lub hoist ua ntej siv nws nyob rau hauv qhov chaw uas tsis muaj qhov kub thiab txias, thiab ntxuav thiab ziab cov cuab yeej hauv lub sij hawm tom qab siv nws nyob rau hauv ib puag ncig high humidity, thiaj li yuav txo tau qhov cuam tshuam ntawm ib puag ncig yam ntawm kev ua haujlwm ntawm tes saw hoist.

3. Kev puas tsuaj ntawm overloading tes saw hoist
Cov khoom puas tsuaj: Kev thauj khoom ntau dhau yuav ua rau cov khoom tseem ceeb ntawm tes saw hoist, xws li cov saw, lub zog, thiab cov hooks, ua rau muaj kev ntxhov siab ntau dhau, ua rau lawv hnav thiab qaug zog, thiab ua rau muaj teeb meem xws li cov khoom siv deformation thiab tawg, ua rau lub neej ntev ntawm cov khoom siv, thiab ua rau cov nqi tu thiab cov khoom siv downtime.
Ua kom muaj kev nyab xeeb ntxiv: Kev ua haujlwm ntau dhau tuaj yeem ua rau muaj kev nyab xeeb, xws li cov khoom hnyav poob, hoists tipping, thiab lwm yam, uas ua rau muaj kev hem thawj rau lub neej kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov neeg ua haujlwm nyob ib puag ncig, thiab tseem tuaj yeem ua rau poob rau cov khoom siv, lub Hoobkas thiab lwm yam khoom.
Txo kev ua haujlwm zoo: Cov cuab yeej siv tsis tu ncua lossis qhov xav tau kaw rau kev saib xyuas yuav cuam tshuam rau kev ua haujlwm ntawm kev nqa khoom, txo kev ua haujlwm, thiab ncua sijhawm ntau lawm.

4. Case tsom xam
Case 1: Kev sib tsoo ntau dhau ntawm tes saw hoist hauv lub hoobkas
Thaum lub sijhawm ua haujlwm nqa cov cuab yeej, lub Hoobkas tau xaiv lub tes saw hoist nrog qhov ntsuas ntawm 2 tons los nqa cov khoom hnyav 3 tons vim tsis saib xyuas ntawm tus neeg teb xov tooj. Thaum lub sij hawm lifting txheej txheem, cov saw ntawm lub hoist dheev tsoo thiab cov khoom poob. Hmoov zoo, cov neeg ua haujlwm ntawm qhov chaw tau khiav tawm hauv lub sijhawm thiab tsis muaj kev raug mob tshwm sim, tab sis cov khoom siv tau raug puas tsuaj loj, ua rau muaj kev puas tsuaj loj rau lub Hoobkas. Qhov laj thawj tseem ceeb ntawm kev sib tsoo yog tias tus qauv ntawm tes saw hoist tsis raug xaiv kom raug, ua rau siv ntau dhau, thiab cov saw hlau tsis tuaj yeem tiv taus ntau dhau thiab tawg.
Case 2: Overload tshwm sim los ntawm oblique nqa ntawm tes saw hoist
Thaum lub sij hawm lub warehouse cargo tuav, tus neeg teb xov tooj siv lub tes saw hoist nqa lub cargo ntawm ib tug oblique lub kaum sab xis kom yooj yim, thiab lub kaum sab xis yog loj. Yog li ntawd, thaum lub sij hawm nqa cov txheej txheem, cov saw twisted thiab deformed vim lub lateral quab yuam ntxiv, uas nws thiaj li ua rau chain breakage thiab cargo puas. Nyob rau hauv cov ntaub ntawv no, oblique lifting yog lub ntsiab ua rau lub overload ntawm tes saw hoist. Tus neeg teb xov tooj tau ua txhaum cov txheej txheem kev khiav hauj lwm kom raug thiab tsis ua kom cov saw hlau vertically lifted.

5. Cov ntsiab lus
Tes saw hoists yuav overloaded nyob rau hauv ntau qhov teeb meem, nrog rau kev ua haujlwm tsis raug, cov cuab yeej laus thiab kev puas tsuaj, thiab ib puag ncig. Txhawm rau kom tsis txhob muaj qhov tshwm sim loj ntawm kev siv ntau dhau, peb yuav tsum pib los ntawm kev xaiv thiab siv kom raug, ntxiv dag zog rau kev tswj hwm cov cuab yeej, thiab txhim kho qhov chaw ua haujlwm, thiab siv cov kev tiv thaiv zoo thiab kev tswj xyuas. Nyob rau tib lub sijhawm, los ntawm kev txheeb xyuas cov xwm txheej tiag tiag, peb muaj kev nkag siab tob txog qhov kev phom sij thiab qhov tseem ceeb ntawm kev ua haujlwm dhau. Tsuas yog nyob rau hauv txoj kev no peb tuaj yeem ua kom muaj kev nyab xeeb thiab siv tau zoo ntawm tes saw hoists, txuas ntxiv lawv lub neej kev pab cuam, ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov khoom siv, thiab muab kev txhawb nqa thiab kev thauj mus los lav rau peb cov khoom thiab lub neej.