Fourth-Gantry Crane

Product Detail

1. truss beam Use angle iron or I-steel welding structure, the advantage of low cost, light weight, good wind resistance. But due to the defects of weld points and trusses, truss beams with deflection, stiffness of small, relatively low reliability, requiring frequent inspection points and other shortcomings. Safety requirements for applicable to low weight of smaller venues. 2. box girder Use a steel plate welded into the box-type structure, with high security, stiffness and other features. Generally used for large and super large-tonnage crane. Such as the right of MGhz1200, lifting capacity 1200 tons, the largest gantry crane girder box girder is used. Box beam and also has a high cost, significant, less wind resistance and other shortcomings.