Ntug dej-rau-Ntug Dej Cranes, tseem hu ua quay cranes lossis crane txuas thiab thauj khoom ntawm cov thawv thauj khoom thiab feem ntau nyob ntawm cov quatside terminals. Lawv lub luag haujlwm tseem ceeb yog thauj khoom thiab txo cov khoom thauj ntawm anchored nkoj, kom muaj kev nyab xeeb thiab muaj txiaj ntsig ntawm cov khoom lag luam.
Txawv los ntawm quay cranes, yoj cranes, tseem hu ua cov thawv gantry cranes, tau tsim tshwj xeeb rau kev thauj khoom thiab kev thauj khoom ntawm cov thawv yards. Feem ntau hom ntawm mev crane yog tus ciav hlau gantry crane (RMG), siv lub tshuab tshwj xeeb siv hauv cov tiaj nyom. RMGs siv cov log tsheb khiav ntawm cov ciav hlau los nqa thiab muab cov thawv ntim khoom thiab muaj hnub nyoog rov qab nrog cov chaw ntim khoom uas muaj ntau thiab tsawg.
Piv rau roj hmab-nkees gantry cranes (RTGs), RMGs muab ob peb qhov zoo. Ua ntej, lawv siv hluav taws xob loj li lub zog siv hluav taws xob, tshem tawm cov roj ua qias tuaj thiab ua kom muaj zog ntau. Thib ob, lawv tuaj yeem nce ntxiv lifting lub peev xwm thiab ua kom nrawm, txhim kho chaw thau khoom thiab thau khoom siv tau. Tsis tas li ntawd, RMG lub trolley muaj peev xwm ntawm kev ncig ua si sai sai thaum lub tsheb nqa khoom siv, txuas ntxiv txhim kho kev ua haujlwm nrawm thiab hloov tau.
Hauv ntej, quay cranes thiab yard cranes ua si ib lub luag hauj lwm tseem ceeb hauv cov thawv rau cov khoom lag luam thiab vaj. Lawv tsis tsuas yog txhim kho chaw thau khoom thiab thau khoom siv tau tab sis kuj ua kom muaj kev nyab xeeb thiab kev lag luam ntawm kev ua haujlwm.
