Qhov no cantilever gantry crane yog ib qho kev pom feem ntau ntawm cov tsheb ciav hlau mounted gantry crane siv los tuav cov khoom loj sab nraum zoov, xws li hauv cov chaw thauj khoom, chaw nres nkoj hiav txwv. Tib nqaj gantry crane lossis ob chav nqaj gantry crane yuav tsum raug xaiv raws li cov kev cai tshwj xeeb ntawm lub peev xwm thauj khoom thiab lwm cov kev cai tshwj xeeb. Thaum lifting loads qis dua 50 tons, qhov ncua yog qis dua 35 meters, tsis muaj cov cai tshwj xeeb ntawm daim ntawv thov, kev xaiv ntawm ib leeg-nqaj hom gantry crane yog tsim. Yog hais tias qhov yuav tsum tau ntawm lub qhov rooj girder yog dav, kev ua hauj lwm ceev yog ceev, los yog hnyav ib feem thiab ntev ib feem yog nquag lifted, ces ob chav beam gantry crane yuav tsum tau xaiv. Lub cantilever gantry crane yog zoo li lub thawv, nrog ob lub girders yog slanted lem, thiab ob txhais ceg muab faib ua hom A thiab hom U raws li kev siv.
Tus txheej txheem ob-girder gantry crane muaj feem xyuam rau kev thauj khoom, tshem tawm, nqa, thiab tuav ua haujlwm ntawm cov vaj tsev sab nraum zoov thiab kev tsheb ciav hlau. Lub cantilever gantry crane tuaj yeem ua haujlwm loj dua, hnyav dua ntawm qhov chaw sab nraum zoov, xws li chaw nres nkoj, nkoj nkoj, warehouses, thiab chaw tsim khoom. Lub cantilever gantry crane yog ua haujlwm rau hauv av-mounted taug kev taug kev, thiab feem ntau yog siv rau kev thauj khoom thiab thauj khoom ntawm cov chaw cia sab nraum zoov, piers, fais fab nroj tsuag, chaw nres nkoj thiab kev tsheb ciav hlau, thiab lwm yam. Lub cantilever gantry crane yog siv rau hauv ntau qhov chaw ua haujlwm qhib rau kev tuav cov khoom hnyav lossis cov khoom siv, feem ntau pom muaj nyob rau hauv warehouses, railway yards, container yards, scrap yards, and steel yards.
Ua tsaug rau nws qhov xwm txheej, lub gantry crane sab nraum zoov yog ib qho ntawm cov khoom siv kho tshuab uas siv ntau zaus. Gantries muaj peev xwm zoo sib xws thiab spans rau choj cranes, thiab haum rau sab hauv tsev thiab sab nraum zoov siv. Gantries zoo ib yam li choj cranes, tshwj tsis yog lawv ua haujlwm ntawm cov kab hauv qab hauv av.