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    • 3. 发明专利
    • GATE-SHAPED MAIN GIRDER PENETRATING-TYPE ROTARY CRANE
    • JPH06199489A
    • 1994-07-19
    • JP36083592
    • 1992-12-28
    • MITSUBISHI HEAVY IND LTDNIPPON STEEL CORP
    • OKUBO YOSHIAKIUSUI SHIROKODAMA KEINOSUKETANAKA TOSHIYUKI
    • B66C5/06B66C19/00
    • PURPOSE:To meet various styles of packings under all weather by installing a U-shaped post where a T-shaped main girder is mounted at its upper end in a horizontal direction and fixed at its central part on a gate-shaped lower part traveling element which travels on a track through a rotating base, and arranging a winding trolley which passes through the inside of the U-shaped post and can travel in a horizontal direction on the main girder. CONSTITUTION:A U-shaped post 6 is installed vertically on a gate-shaped lower traveling element 4 which can travel on a track laid in parallel to a quay line so as to be rotated through a rotating base 5. A main girder 7 which intersects with the upper frame of the U-shaped post 6 and penetrates its inside is fixed at the central part in a horizontal direction. A winding trolley 8 is provided on the main girder 7 so as to travel in a horizontal direction is mounted for constituting a crane. Loading/unloading between a ship 10 which is brought into contact with a quay and a loading/unloading place 12 is carried out by combining traveling of the winding trolley 8 in a horizontal direction, winding/ unwinding by a winding device 18, and rotation of the U-shaped post, 6 by a rotation drive device 16.