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.


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    Title :

    Novel floating crane boat derrick mast


    Contributors:
    FAN JINYANG (author) / LI ZHIXIN (author) / HANG YOUBIN (author) / WANG YOUJUN (author)

    Publication date :

    2015-08-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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