Single jib portal crane is the simplicity of portal crane and it mainly includes steel frame, lift mechanism, rope luffing mechanism, slewing mechanism, traveling mechanism, spreader device (grab, container spreader, magnet, hook),electrical equipment and auxiliary device and safety devices. In the hoisting system, compensating rope pulley and drum can assure a constant level when amplitude is changed. Steel structures are jib and A-frame, slewing platform and gantry frame.
Standards applicable£º Harbor portal crane technical specifications£¨GB17495£1998£©£¬lift equipments safety specification£¨GB6067£85£©£¬crane design standards£¨GB3811£83£©£¬gantry crane technical requirements £¨GB/T14406-1993£©and ISO standards and FEM standards.
Single jib portal crane has the feature of economic application to load and discharge ship in wharf and ***k or work in shipyard. Its steel structure is simple and crane weight and wheel load is smaller. And civil wharf or shipyard engineering investment is lower. |
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