Description

Detailed Product Description 1.Single jib portal crane is the simplicity of portal crane and it mainly includes frame, lifting mechanism, rope luffing mechianism, slewing mechanism, traveling mechanism, spreader device(such as grab, container spreader, magnet, hook), electrical equipment and other aiding devices for safety. In the hositing system, compensating rope pulley and drum can assure a constant level when amplitude is changing. Frame is compromised of jib, A-frame, slewing platform and gantry. Standards followed furing our design and manufacturing processes: Specification for the harbor portal crane(GB/T*********8), Safety rules for lifting appliances(GB******5); Design rules for cranes(GB******3); Gantry crane technical requirements(GB/T*********3); ISO standards and FEM. Single jib portal crane is an economical type, which has its aplication in loading and unloading of bulk cargo(coal, ore) and shipyard. Single jib portal crane is to save your investment in loading and unloading port and ship building yard. It has more simple structure, smaller wheel load and weight, and lower investment in port and ship platform. 2. Four Link Type Portal Crane Four Link Type Portal Crane has various applications, such as loading and unloading at port, ship building and repairing yard, steel works, The main structures are steel frame, lifting mechanism, luffting mechanism, slewing mechanism, traveling mechanism, lifting tool device( grab, container lifting tool, hook), electrical mechanism and other aiding devices for safety, the applied rigid rack and screw lever luffing mechanism make sure a constant working state. Standards followed during our design and manufacturing processes: Specification for the harbor portal crane(GB/T*********8), Safety rules for lifting appliances(GB******5); Design rules for cranes(GB******3); Gantry crane technical requirement(GB/T*********3); ISO standards and FEM.