Uma kukhulunywa ngemishini yokuphakamisa enzima yezokuthutha zasemanzini, i-marine crane kanye ne-dock crane zivame ukudidaniswa ochwepheshe bemboni, kodwa zinikeza izimo zokusebenza ezihlukile ezinezici ezihlukile zesakhiwo kanye nokusebenza. Ukuqonda umehluko wazo kusiza amabhizinisi ukukhetha ikhambi lokuphakamisa elifaneleimisebenzi yasezindaweni ezikude kanye neyasemachwebeni.
Isici esiyinhloko se-marine crane ukwakheka kwayo ezindaweni ezivulekile zolwandle ezinzima. Njengoba ifakwe ngqo emikhunjini, ezikebheni noma ezisekelweni zasogwini, ama-marine crane kumele amelane namagagasi anamandla, ukugqwala kosawoti, umswakama owedlulele kanye nokunyakaza kwemikhumbi okungazinzile. Asebenzisa insimbi yokulwa nokugqwala, izinhlelo ze-hydraulic ezivaliwe kanye nezakhiwo ezingamelani nokushaqeka ukuqinisekisa ukuphakanyiswa okuzinzile ngisho nangaphansi kwezimo zolwandle ezinyakazayo. Imisebenzi evamile ye-marine crane ifaka phakathi ukuthunyelwa kwempahla esuka emikhumbi iye emikhumbini, ukufakwa kwezingxenye zomoya ovela ogwini, ukwesekwa kobunjiniyela bamanzi angaphansi kwamanzi kanye nokugcinwa kwemishini yasolwandle.
Ngokuphambene nalokho, ama-dock cranes ayimishini eqinile noma ehambayo efakwe emachwebeni. Asebenza emhlabathini ozinzile ngaphandle kokubhekana nokushayisana kwamagagasi noma ukuzamazama kwe-hull. Ama-dock cranes agxila ekulayisheni/ekuthulweni kweziqukathi, ekuphathweni kwemithwalo emikhulu kanye nasekuthuthweni kwechweba ibanga elifushane, ebeka phambili ukusebenza kahle okuphezulu kanye nesivinini somjikelezo esisheshayo sokujika kwechweba nsuku zonke. Ububanzi bawo bokuphakamisa kanye nokuzivumelanisa nezimo kwemvelo bubuthakathaka kunabo be-crane ejwayelekile yasolwandle.
Ngokwesakhiwo, i-marine crane inohlaka oluqinile, oluqinisiwe kanye nokulungiswa kwe-boom okuguquguqukayo ukuze ivumelane nezimo zolwandle eziguquguqukayo. Ama-marine crane amaningi aqhutshwa yi-hydraulic ngokulawula umthwalo okunembile ezindaweni zokuphakamisa ezingazinzile. Ama-dock crane ngokuvamile ane-boom ende eqinile kanye nokumbozwa okukhulu okuvundlile, okwenzelwe umsebenzi ophindaphindayo wemithwalo esindayo emhlabathini.
Ngamafuphi, i-marine crane ihlose ukusebenza kolwandle olwandle, oluhambayo kanye nolunengozi enkulu, kuyilapho i-dock crane ifanela ukuphathwa kwemithwalo yechweba elimile. Ukukhetha imishini efanele, ikakhulukazi i-marine crane ethembekile, kuthuthukisa ngqo ukuphepha kanye nokusebenza kahle emkhakheni wobunjiniyela basolwandle kanye nemikhakha yezokuthutha olwandle.
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Isikhathi sokuthunyelwe: Meyi-13-2026
