Ib qho Gantry Crane yog ib hom kev txhim kho lub ooial uas muaj ib lub ceg tawv, txav raws cov log, lem, lossis cov tsheb nqaj hlau nqa cov boom, thiab hoist. Cov neeg siv nyiaj ua ntej, yog qhov zoo li yog ib qho zoo li tus choj txav, thaum lub gantry crane muaj tus choj qub txhawb nqa nrog nws tus kheej ncej. Girders, ci, thiab ceg yog qhov tseem ceeb ntawm gantry crane thiab paub qhov txawv nws los ntawm cov neeg siv nyiaj txiag crane lossis tus choj crane. Yog tias tus choj tau txais kev txhawb nqa nruj los ntawm ob lossis ntau dua ceg khiav raws ob qho kev ruaj khov ntawm av, tom qab ntawd, ASME B30 series) lossis Goliath (UK, BS 466).
Ib qho Gantry Crane yog hom areial crane uas muaj ib qho kev teeb tsa ib leeg-girder teeb tsa ntawm ob txhais ceg uas yog txav los ntawm cov log lossis ntawm cov tsheb ciav hlau. Ib leeg-girder gantry cranes ua haujlwm ntau ntau yam nyob ntawm hom haujlwm, thiab kuj tseem yuav ntiav cov Jacksan-style Jacks. Lub peev xwm nqa ntawm ob-girder gantry crane tuaj yeem yog ntau pua tus tsim girder lossis ob-ceg nrog ib txhais ceg hauv daim ntawv ntawm lub cev pob txha. Ib qho me me, Portable Crane tuaj yeem ua tib txoj haujlwm Jib crane ua, tab sis nws tuaj yeem txav mus los ntawm koj lub tuam txhab loj thiab koj pib ua kom zoo dua thiab kev teeb tsa chaw tsim khoom vaj tsev.
Portable Gantry Systems kuj tseem yuav muab kev hloov pauv ntau dua li Jib lossis stall crane. Ntau hom kev ua haujlwm ntawm cov neeg siv nyiaj ua haujlwm suav nrog Gantry, Jib, Choj, Workstation, Monorail, Nyiaj Siv Ua Haujlwm, thiab sub-Asmin. Nyiaj siv ua haujlwm Cranes, suav nrog Gantry Cranes, yog qhov tsim nyog hauv ntau ntau lawm, kev saib xyuas ua haujlwm uas tau nqa ua haujlwm uas yuav tsum tau nqa thiab txav cov khoom siv hnyav. Nyiaj Siv Ua Haujlwm Deckes yog siv rau kev nqa khoom thiab txav cov ntaub ntawv los ntawm ib qho chaw mus rau lwm qhov kev nyab xeeb thiab muaj txiaj ntsig zoo li sai tau.
Ob-Girder Choj Cranes yog muaj los ntawm ob lub Choj nqaj hlau txuas nrog rau kev siv nyiaj ntau dua Muaj nyob rau hauv ib txhais ceg lossis cov qauv sib xyaw ua ke, Spanco PF-series ntawm Gantry Crane tshuab tuaj yeem nruab nrog powered traverse. Cov kev cai hauv qab no siv rau txhua qhov kev lag luam cranes siv rau ntawm qhov chaw, suav nrog kev siv tshuab, ib nrab gantry, phab ntsa, Jib, thiab lwm yam.
Ib lub sijhawm ntau ntawm lub sijhawm, lub Choj Cour tseem ceeb yuav tau taug qab, kom tag nrho cov kab ke tuaj yeem taug kev los ntawm cov tsev lossis rov qab mus rau ib lub tsev. Choj Cranes tau ua nyob rau hauv tus qauv ntawm lub tsev, thiab feem ntau siv cov qauv ntawm lub tsev ua lawv cov kev txhawb nqa. Koj tuaj yeem ua haujlwm choj cranes ntawm qhov zoo nkauj ceev, tab sis nrog gantry cranes, feem ntau, loads tau tsiv los ntawm qeeb qeeb Crawl Ceev. Ib Leeg-Girder Choj Cranes tseem muaj qhov muaj peev xwm ua tau zoo rau kev nqa, thaum sib piv nrog qee tus cranes, tab sis lawv ib txwm tawm ntawm 15 tons muaj peev xwm.