Underhung overhead cranes, tseem hu ua under-khiav lossis undererslung cranes, yog hom ntawm cov txheej txheem ua haujlwm ua haujlwm uas tau raug tshem tawm ntawm lub tsev qauv saum toj no. Lawv feem ntau siv nyob rau hauv cov chaw muaj kev teeb tsa uas muaj kev txwv rau hauv pem teb uas yuav cuam tshuam nrog kev ua haujlwm ntawm cov neeg ua haujlwm qub. Nov yog qee cov khoom lag luam cov ntsiab lus thiab cov nta ntawm cov leeg nyiaj nruab nrab ntawm Cranes:
Tsim qauv thiab kev tsim kho: Unhahung overhead cranes feem ntau yog tsim nrog cov qauv girder kuj tseem muaj. Tus crane raug tshem tawm ntawm lub tsev qauv siv cov tsheb thauj khoom kawg uas khiav ntawm cov nqaj tso rau hauv lub tsev txhawb nqa. Crane mus ncig ua ke raws cov nqaj tso mam li pawv, tso cai rau kev tig rov tav ntawm lub nra.
Thauj khoom muaj peev xwm: UnderHung Nyiaj Siv Ua Haujlwm Txheej Txheem muaj nyob rau hauv ntau yam khoom siv kom haum rau kev thov sib txawv. Lub peev xwm thauj khoom muaj peev xwm ntau ntawm ob peb ob caug phaus rau ntau tons, nyob ntawm cov qauv tshwj xeeb thiab tsim qauv.
Kev sib tw ntev thiab kev ua haujlwm ntev: kev tso tawm hauv qab crane txog qhov kev ncua deb ntawm cov kab teeb khiav, thiab nws tuaj yeem sib txawv raws li cov kev cai tshwj xeeb ntawm daim ntawv thov. Ib yam li ntawd, cov kev txiav tawm ntev yog txiav txim siab los ntawm thaj chaw muaj thiab qhov chaw pov hwm uas xav tau.
Underhung overhead cranes yog dav siv nyob rau hauv ntau cov ntawv thov uas tau siv nyiaj ua tau zoo thiab qhov chaw ua kom zoo yog qhov tseem ceeb. Qee cov ntawv thov feem xyuam rau cov neeg ua haujlwm qis dua cov khoom siv ua haujlwm muaj xws li:
Cov chaw tsim khoom: Cov kab mob hauv qab yog siv tau hauv kev tsim cov nroj tsuag rau cov haujlwm xws li txav cov khoom nyoos, cov khoom siv, thiab cov khoom tiav thiab cov khoom tiav raws cov kab ke. Lawv kuj tseem tuaj yeem siv tau rau cov chaw thau khoom thiab thau khoom tshuab, hloov khoom muag ntawm cov khoom siv dav dav, thiab pab txhawb cov khoom dav dav hauv lub chaw.
Cov chaw khaws khoom thiab cov chaw xa khoom: Underhung cranes yog zoo-haum rau cov chaw khaws khoom thiab xa khoom xa tawm chaw haujlwm. Lawv tuaj yeem txav tau zoo thiab ua haujlwm nyob hauv lub chaw tsim khoom, suav nrog kev thauj khoom thiab thauj khoom thiab cov khoom ntim, thiab thauj khoom rau thiab los ntawm cov chaw cia khoom.
Kev lag luam automotive: Underhung cranes pom dav dav hauv kev lag luam hauv tsheb, uas lawv tau ua haujlwm hauv cov khw sib dhos, thiab cov khw muag khoom lub cev, thiab cov xim pleev xim rau lub cev. Lawv pab lub zog ntawm lub cev tsheb, qhov chaw, thiab khoom siv, txhim kho kev tsim khoom thiab straylining cov txheej txheem ntau lawm.
Thauj khoom muaj peev xwm thiab ntau dhau kev tiv thaiv: nws yog qhov tseem ceeb los xyuas kom meej tias qhov qis dua qhov tsis dhau nws lub peev xwm. Overloading tuaj yeem ua rau cov txheej txheem ua tsis taus lossis crane tsis muaj peev xwm. Txhua zaus ua raws li lub thauj khoom muaj peev xwm muaj peev xwm teev tseg los ntawm cov khw. Txuas ntxiv, hauv qab Cranes yuav tsum tau nruab nrog cov kev tiv thaiv kev tiv thaiv ntau tshaj, xws li kev thauj khoom lossis thauj khoom ntau dhau.
Kev kawm kom tsim nyog thiab ntawv pov thawj: tsuas yog cov neeg ua haujlwm tau cob qhia thiab muaj ntawv pov thawj yuav tsum ua haujlwm hauv qab thu cov cranes. Cov neeg ua haujlwm yuav tsum paub nrog cov qauv tshwj xeeb, nws txoj kev tswj hwm, thiab cov txheej txheem kev nyab xeeb. Kev cob qhia kom raug pab pab kom muaj kev nyab xeeb, thauj khoom tuav, thiab kev paub txog ntawm cov kev phom sij muaj peev xwm.
Kev kuaj xyuas thiab kev saib xyuas: kev tshuaj xyuas ib txwm thiab kev saib xyuas ntawm underhung cranes yog qhov tseem ceeb rau kev txheeb xyuas thiab daws cov teeb meem tshuab lossis hnav thiab kua muag. Kev tshuaj xyuas yuav tsum tau kuaj xyuas cov kab mob ntawm cov teeb pom kev, kawg cov tsheb thauj khoom, kev tawm tsam hluav taws xob, thiab cov khoom siv hluav taws xob. Muaj tej yam tsis xws luag lossis txawv txav yuav tsum tau kho kom sai lossis daws cov neeg ua haujlwm tsim nyog.