Jirgin ruwa cranes dace da docks don kayan abinci ko bulk jigilar da aiki ko kawar da kogi lalata. Wannan samfurin ne guda hannu kusurwa karfe truss irin, waya igiya canji, juyawa goyon bayan amfani da huɗu touch guda volleyball irin bearings, za a iya yi 360 ° cikakken juyawa, aiki m. Wannan nau'i hanging hook, kama biyu amfani. An tsara wannan samfurin ne bisa ga ƙayyadaddun tsarin GB3811-2008 da tsarin tsarin tsarin GB6067-2010. Wani nau'in jirgin ruwa ne wanda ke aiwatar da ayyukan jigilar kaya a cikin yanayin teku, wanda aka fi amfani da shi don canja wurin jigilar kaya tsakanin jiragen ruwa, samar da kayan aiki a teku, sanya kayan aiki a karkashin ruwa da sake dawo da su. Yanayin aikace-aikacen teku ya haifar da babban matsala ga sarrafa jirgin ruwa. A gefe guda, irin kayan aikin crane na ƙasa, yana buƙatar sarrafa juyawa da aka samar a lokacin jigilar kaya don tabbatar da daidaito da ingancin jigilar kaya; A gefe guda kuma, saboda irin wannan crane ya kasance a kan dandamali mai motsi kamar jirgin ruwa, motsi na dandamali kanta yana da tasiri mai ƙarfi a kan motsi na kaya, wanda ɗaga kaya da motsi a wurin sauka ba daidai ba ne da motsi na crane kanta.