Nyob ntawm cov kev xav tau ntawm kev ua haujlwm tshwj xeeb, kev lag luam gantry cranes yuav raug tsim nrog loj heev, kev lag luam-lub zog girders. Lub peev xwm thauj khoom siab tshaj plaws ntawm ob chav nqaj gantry crane tuaj yeem yog 600 tons, qhov ntev yog 40 meters, thiab nqa qhov siab txog li 20 meters. Raws li hom tsim, gantry cranes tuaj yeem muaj ib leeg lossis ob-girder. Ob chav-girders yog hom hnyav dua ntawm gantry cranes, nrog kev nqa nqa ntau dua piv nrog ib leeg-girder cranes. Hom crane no yog siv los ua haujlwm nrog cov ntaub ntawv loj, ntau yam khoom siv.
Muaj gantry crane tso cai rau nqa thiab tuav cov khoom, cov khoom ua tiav, thiab cov khoom siv dav dav. Muaj gantry cranes nqa cov khoom hnyav, thiab lawv tuaj yeem txav los ntawm tag nrho cov kev tswj hwm thaum lawv thauj khoom. Nws kuj tseem siv tau rau hauv kev saib xyuas cov nroj tsuag thiab hauv daim ntawv thov kev saib xyuas tsheb uas cov khoom siv yuav tsum tau txav thiab hloov. Hnyav-duty gantry cranes yog ceev thiab yooj yim rau kev teeb tsa thiab rhuav tshem, ua rau lawv zoo meej rau cov chaw xauj lossis hauv ntau qhov chaw ua haujlwm.
Kev lag luam gantry crane muaj cov kab teeb hauv av sib npaug rau hauv pem teb. Lub rooj sib txoos txav ntawm lub gantry tso cai rau lub crane caij saum lub chaw ua haujlwm, tsim qhov hu ua portal kom tso cai rau nqa khoom mus rau hauv. Gantry cranes tuaj yeem txav cov tshuab hnyav tawm ntawm nws txoj haujlwm mus tas li mus rau hauv qhov chaw zov me nyuam, thiab tom qab ntawd rov qab. Gantry cranes tau siv dav hauv ntau yam kev lag luam, xws li cov khoom siv sib dhos ntawm cov chaw tsim hluav taws xob, kev tsim khoom thiab cov khoom siv, kev ua vaj tse ua ntej tsim, thauj khoom thiab tshem tawm cov tsheb ciav hlau thiab tsheb hauv kev tsheb ciav hlau, nqa cov nkoj ntawm cov nkoj hauv nkoj, nqa rooj vag. nyob rau hauv dams rau hydroelectric tej yaam num, loading thiab unloading ntim ntawm docks, nqa thiab tsiv cov khoom loj nyob rau hauv factories, ua haujlwm hauv tsev hauv tsev thiab chaw teeb tsa, racking lumber ntawm cov ntoo yards, thiab lwm yam.