A novel floating crane boat derrick mast includes a derrick mast body and a derrick mast base. The derrick mast base is in an A shape; a bearing is arranged on the top of the derrick mast base; the bottom of the derrick body is connected to the bearing; the derrick mast body includes an upper support rod and a lower support rod, and a pressure-bearing assembly between the support rods; the pressure-bearing assembly is in a triangular structure, and welded to the upper derrick mast and lower derrick mast; the joint of the derrick mast and bearing is in a trapezoidal structure, and provided with support connection member inside; the end of the derrick mast body is provided with a lifting unit; the lifting unit is in a downwardly inclined trapezoid structure, and equipped with a pressure-bearing assembly inside; the bottom of the lifting unit is provided with an assembly pulley; the bottom of the assembly pulley is provided with a suspension hook; the joint of the lifting unit and the derrick mast body is provided with a strengthened corner; the strengthened corner is provided with a plurality of reinforcing ribs; the top of the strengthened corner is provided with boss; the boss is provided with two fixed pulleys; and the bottom of the strengthened corner is provided with a fixed pulley. The novel floating crane boat derrick mast has the advantages of reasonable structure, stable support and high security.
Novel floating crane boat derrick mast
19.08.2015
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |