Gantry cranes ndi zida zonyamulira mafakitale zolemetsa zomwe zimathandizira kuyenda kwa katundu ndi zida m'mafakitale osiyanasiyana. Nthawi zambiri amathandizidwa ndi njanji kapena mawilo, kuwalola kudutsa m'malo akuluakulu kwinaku akukweza, kusuntha, ndikuyika zinthu zolemetsa. Ma crane a Gantry amabwera mumitundu yosiyanasiyana, mawonekedwe, ndi makulidwe, ndipo nthawi zambiri amapangidwa kuti agwirizanemakampani enienizofunika.
Nayi mitundu yosiyanasiyana ya cranes ya gantry ndi momwe amagwiritsidwira ntchito m'mafakitale osiyanasiyana:
1. Single Girder Gantry Crane: Mtundu uwu wa crane umagwiritsidwa ntchito makamaka m'mafakitale, malo ochitirako misonkhano, ndi mabwalo osungiramo zinthu, pomwe pamafunika kukweza ndi kusuntha katundu wolemera matani 20. Chingwecho chimakhala ndi mpanda umodzi wogwiriziridwa ndi mizere iwiri yolunjika, ndipo chowumitsacho chimayenda motalikirana ndi chomangiracho.
2. Crane ya Double Girder Gantry Crane: Mtundu uwu wa crane umagwiritsidwa ntchito ponyamula katundu wolemera kwambiri, nthawi zambiri pakati pa matani 20 ndi 500, ndipo nthawi zambiri amapezeka m'mabwalo a zombo, zitsulo zachitsulo, ndi malo omanga. Lili ndi zomangira ziwiri zomangika ndi mizere inayi yowongoka, ndipo chokwezacho chimayenda modutsa chitalikirapo cha crane.
3. Semi-Gantry Crane: Mtundu uwu wa crane uli ndi malekezero amodzi omwe amathandizidwa pagalimoto yamawilo pomwe mbali inayo imathandizidwa pamtengo wanjira. Amagwiritsidwa ntchito makamaka m'mafakitale, malo osungiramo katundu, ndi malo osungiramo ziwiya, komwe kuli malo ochepa komanso kufunikira kwa mayankho osinthika.
4. Mobile Gantry Crane: Mtundu uwu wa crane umapangidwira kuti uzitha kunyamula ndipo nthawi zambiri umagwiritsidwa ntchito pomanga ndi zochitika zakunja. Amakhala ndi chimango chomangika pamawilo anayi kapena papulatifomu yamawilo, ndipo cholumikiziracho chimayenda modutsa chitalikirapo cha craneyo.
5. Truss Gantry Crane: Mtundu uwu wa crane umagwiritsidwa ntchito m'mafakitale omwe amafunikira chilolezo chautali wautali. Imakhala ndi mawonekedwe opepuka a truss omwe amathandizira zida zonyamulira katundu wa crane, zomwe zimapangitsa kukhala njira yabwino yopangira malo omanga kapena malo akulu otseguka.
Mosasamala mtundu wa gantry crane yomwe ikugwiritsidwa ntchito, onse amagawana cholinga chimodzi chokweza katundu wolemetsa ndikuyenda bwino komanso wogwira mtima. Ma crane a Gantry ndi ofunikira pamafakitale osiyanasiyana, kuphatikiza kutumiza, kumanga, ndi kupanga. Amawongolera njira, amachepetsa nthawi ndi ndalama zogwirira ntchito, komanso amathandizira chitetezo cha ogwira ntchito.
M'makampani onyamula katundu,gantry cranesimagwira ntchito yofunika kwambiri pakukweza ndi kutsitsa katundu m'zombo. Madoko a Container nthawi zambiri amagwiritsa ntchito ma gantries angapo kuti azitha kunyamula zotengera zazikulu mwachangu komanso moyenera. Ma cranes amatha kunyamula katundu kuchokera m'sitimayo, kupita nawo kudutsa doko kupita kumalo osungiramo zinthu, ndiyeno kukweza m'magalimoto oyendera.
M'makampani omanga, ma crane amagwiritsidwa ntchito pokonzekera malo, kukonza malo, ndi kumanga nyumba. Atha kugwiritsidwa ntchito kusuntha zida zomangira zolemera, zida, ndi zida kupita ndi kuchokera kumalo ogwirira ntchito. Ma crane a Gantry ndi othandiza makamaka pantchito yomanga pomwe malo ali ochepa, ndipo mwayi wopezeka ndi woletsedwa.
Potsirizira pake, m'makampani opanga zinthu, makina a gantry amagwiritsidwa ntchito kusuntha zipangizo, ntchito-ikupita patsogolo, ndi zinthu zotsirizidwa kuzungulira fakitale. Zitha kusinthidwa kuti zigwirizane ndi mapangidwe a fakitale ndi kayendedwe ka ntchito, kupititsa patsogolo zokolola ndikuchepetsa chiopsezo cha ngozi kapena kuvulala.
Pomaliza, ma crane a gantry ndi zida zosunthika komanso zofunikira m'mafakitale osiyanasiyana, ndipo mitundu yosiyanasiyana ya ma cranes amapangidwa kuti akwaniritse zosowa zenizeni. Amapangidwa kuti apititse patsogolo kayendetsedwe ka ntchito, kuonjezera zokolola, ndi kuchepetsa chiopsezo cha kuntchito. Pamene mafakitale akupitilira kupita patsogolo ndikusintha, ma crane a gantry atenga gawo lofunikira kwambiri pakuwongolera kayendedwe ka katundu ndi zida padziko lonse lapansi.
