Roba mai murfi gantry cranena'ura ce ta musamman don tarawa da ayyukan yadi na kayan kwantena. Ya ƙunshi shingen gantry, tsarin watsa wutar lantarki, injin ɗagawa, trolley run machine trolley run machine da telescopic spreader da dai sauransu. Akwati mai shimfidawa sanye take da trolley ɗin tafiya tare da babban titin titin tafiya, ɗaukar kaya da sauke kaya da ayyukan tarawa, layin nau'in taya yana tafiya na iya sanya crane yana tafiya a cikin yadi, kuma yana iya zama 90°tuƙi na kusurwar dama, daga yadi zuwa wani canjin yadi, ayyuka masu sassauƙa.
Roba mai murfi gantry craneya dace da saukewa da saukewa na babban tazara, tashar jiragen ruwa akai-akai, tashar jiragen ruwa, bude wurin ajiya, tashar canja wurin akwati da dai sauransu. Ƙarfin yana daga 5 zuwa 500 ton, tsawon yana daga mita 18 zuwa 35, ana iya tsara girder yana da cantilever kuma babu cantilever, ƙarshen babban katako guda biyu da aka haɗa tare da katako na ƙarshe don saduwa da babban matakin bukatun.
Dangane da yanayin tuƙinauyi nauyi gantry craneza a iya raba zuwa dizal-lantarki yanayin da dizal-hydraulic yanayin. Dizal hanyar lantarki ana amfani da injin dizal na DC janareta, DC janareta mai tuka motar DC, sannan kuma yana tuka cibiyoyi daban-daban. Injin dizal hanyar hydraulic yana gudana ta hanyar injin dizal mai amfani da ruwa, famfo na ruwa mai motsi da injin injin ruwa, sannan kuma yana fitar da cibiyoyi daban-daban, hanyar haɓaka aikin yana da kyau, nauyin naúrar wutar lantarki amma tsarin yana da haɗari ga zubar mai, kulawa ya fi rikitarwa, ƙarancin amfani.
Thehevy duty gantry craneyana da motsi, sassauƙa, daidaitawa, ingantaccen aikin aiki, ƙaramin yanki na yanki kuma baya buƙatar shimfida layin dogo waɗanda suka dace da masana'antar katako tare da shimfidar kwance. Yana iya aiki da kansa ko aikin haɗin gwiwa ta raka'a biyu.
Ingantacciyar lodin kwantena da sauke kaya tare da hanyoyin layin dogo. Babban ƙarfin tarawa don ƙara girman sarari a tsaye. Daidaitaccen matsayi da jeri na kwantena. Rage buƙatun sarari na bene idan aka kwatanta da sauran nau'ikan crane na gantry.
