Brief description of four-link portal crane and single boom portal crane

These two types of portal cranes are widely used in ports, docks, yards and other places to complete the loading, unloading and transshipment of ships and vehicles.

Among them, the single boom portal crane has a simple structure, large lifting capacity and light weight. The four-link portal crane adopts a combined boom system to achieve horizontal movement of goods during the boom change process, with the characteristics of small horizontal drop, stable boom change and low power consumption. Both types of portal cranes can meet the requirements of loading and unloading of general cargo, bulk cargo and containers, and have the characteristics of wide application range, high operating efficiency and stable operation of the whole machine.