The gantry crane is a deformation of overhead crane, is mainly for outdoor freight yard, cargo yard, bulk cargo loading and unloading operations. Its metal structure like a door frame, the two support legs can walk directly on the ground track, the main beam can have extended cantilever beam at both ends. Gantry crane has the advantages of high utilization rate, wide operating range, wide adaptability and versatility.
Jinrui crane is the specialized gantry crane manufacture enterprises, and has passed the ISO9001 quality management system certification, have the crane special equipment manufacturing license and special equipment installation and maintenance license issued by nation.
The gantry crane is divided into single girder gantry crane and double girder gantry crane. The single girder gantry crane is simple structure, easy installation and manufacture, and small dead weight. Compared with the double girder gantry crane, the overall stiffness is weaker. Double beam gantry crane is large carrying capacity, large span and good overall stability, but on same working level, double girder gantry crane has much heavire dead weight than single girder gantry crane, and the cost is higher.
According to the different requirement, gantry crane main beam can be divided into box beam and truss beam, generally use box beam structure, the truss beam is usually used in windy place.
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