single boom portal cranes

详情

Our portal cranes (cargo cranes or port cranes) can be used to handle bulk & sundry cargos at ports and freight yards etc. Our portal cranes which are commonly known as port cranes can be equipped with grab buckets and lift hooks to meet different requirements on handling different heavy stuff like containers, bulk and sundry cargos and other heavy stuff at ports, freight yards and shipbuilding factory etc. The whole entity consists of hoisting, rotating, amplitude and travelling mechanism, which may work respectively or together. The portal crane may extent its movement along the parallel track set. Due to the crane duty varies, crane with rigid double lever jib (four-boom portal cranes) or single boom (single-boom portal cranes shown in the above picture) pulley-block luffing gear system is recommended.