Ma Cranes a Double Girder BridgeNthawi zambiri amagwiritsidwa ntchito komwe kuli liwiro lalitali ndi ntchito yolemetsa, kapena pomwe crane ikufunika kuyimitsidwa ndi mawayilesi, nyali za crane, ma cabs, zingwe za maginito kapena zida zina zapadera. Kodi muyenera kugula iwiri girder pamwamba crane? Muli ndi zinthu zingapo zomwe muyenera kuziganizira kuti musankhe crane yomwe imapereka zomwe mukufuna. Mukamagula crane yapawiri-girder, muyenera kuganizira kulemera kwake, kutalika kwake, njira yolumikizira mbedza ndi zina zambiri. Nazi zinthu zapamwamba zomwe muyenera kuziganizira kuti mugule crane'ndizoyenera kufunsira kwanu.
Kulemera kwa kulemera: Chinthu choyamba pa mndandanda ndi kuchuluka kwa kulemera komwe mudzakhala mukukweza ndi kusuntha.Ma cranes okwera pawiriamapangidwa kuti azinyamula zolemetsa pafupipafupi. Izi nthawi zambiri zimatanthauza katundu wa matani 20 kapena kuposerapo.
Span: Chotsatira chomwe muyenera kuyang'ana ndi nthawi yomwe crane yanu ikugwirira ntchito. Ma Crane okhala ndi ma spans opitilira 60 mapazi nthawi zambiri amafunikira milatho iwiri. Kumbukirani kuti ma crane opitilira 60 mapazi, zomangira zopindika nthawi zambiri zimafunikira kuphatikizika, zomwe zimatha kuwonjezera kulemera kwa crane.
Classification: Ma cranes onse apamutu amagawidwa kutengera katundu ndi ma cycle. Kugawanika kumatsimikizira kukula kwa katunduyo komanso kuchuluka kwa mizere yomwe crane imamaliza mu nthawi yoperekedwa.
Kutalika kwa mbedza:Top kuthamanga double beam mlatho cranesgwiritsani ntchito pamwamba pa mtengo uliwonse wa njanji. Ma cranes a Underhung Bridge amagwira ntchito pansi pa mtengo uliwonse. Ma cranes omwe ali pamwamba omwe amathamanga pawiri amalemera kwambiri kuposa ma cranes omwe ali pansi pa mlatho. Iwo amaperekanso headroom kwambiri ndi pazipita mbedza kutalika. Ngati mulingo wapamwamba kwambiri kapena kutalika kwa mbedza ndikofunikira kwa inu, sankhani chokwera chokwera pawiri.
