The invention discloses an adjustable air grid structure for a ship ventilation duct and belongs to the technical field of ship accessories. The adjustable air grid structure comprises a frame body fixing plate; a frame body; a driving air grid plate; one group of driven air grid plates; a driving air grid plate driving mechanism; the adjustable air grid structure is characterized in that the driving air grid plate driving mechanism comprises a worm base, a worm, a worm wheel base and a worm wheel; the worm base is fixed to the bottom of a frame body cavity, the worm is supported on the worm base which is arranged on the bottom of the frame body cavity, the worm wheel is supported on the worm wheel base, the top of the driving air grid plate is fixed with a driving air grid plate axle base, a driving air grid plate pivoting spindle head is fixed with a driving tooth disc, the tops of the driven air grid plates are fixed with a driven air grid plate top axle base, the driven air grid plate pivoting spindle head is fixed with a driven tooth disc and the bottom is fixed with a driven air grid plate bottom axle base, driving and driven tooth discs are engaged with each other, and the driven tooth discs of two adjacent driven air grid plates are engaged with each other. The adjustable air grid structure is characterized in that the ship ventilation duct can be opened or closed permanently; the self-locking effect is excellent; the control requirement can be met in ventilation quantity; mutual restriction locking can be reflected.


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    Title :

    Adjustable air grid structure for ship ventilation duct


    Contributors:
    QIAN WENHUA (author) / QIAN WENDONG (author) / XU LEI (author) / YAO JIE (author) / XU DAN (author)

    Publication date :

    2015-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS



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