portal crane

الوصف

Single jib portal crane generally includes the following units: steel frame, lift mechanism, slew mechanism, crane travel mechanism, spreader device (grab, container spreader, magnet, and hook), electrical equipment and other accessory equipments for safety. Steel structures include jib, A-frame, slew platform and gantry frame. Single jib portal crane is extensively applied to dock’s bulk cargo (coal, ore and so on) and other cargo ship (lorry) loading/unloading as well as slipway repair. Standards applicable： GB****5－***8 harbor portal crane technical specifications，JT**0－***9 harbor portal crane safety specification，GB***1－***8 crane design standards， GB***7 **5 crane safety specification, ISO standards , FEM standards and JIS standards. Four-link type portal crane has been extensively applied to loading and unloading at port, materiel handling at dockyard and in metallurgy industry. The main structures are composed of steel frame, lifting mechanism, luffing mechanism, slewing mechanism, crane travel mechanism, spreader device (grab, container spreader, and hook and electromagnet disk), electrical equipment and other accessory equipments for safety. Steel structures include jib and A-frame, slewing platform and gantry frame. Standards applicable： GB****5－***8 Harbor portal crane technical specifications， GB***7－*5 lift equipments safety specification, GB***1－***8, crane design standards, ISO standards, FEM standards and JIS standards.