The invention discloses a traction-hook throwing apparatus possessing permanent magnetism and spring double elastic forces. The main structure of the traction-hook throwing apparatus comprises a frame, traction springs, slide magnetic blocks, traction fixed magnetic blocks, slide rails, slide dollies and the like; the slide rails are installed at two ends of a housing; the slide dollies are installed on the slide rails and keep a slide state with the slide rails; the slide magnetic blocks are installed at the front parts of the slide dollies; the traction springs are installed at the front ends of the slide dollies; extrusion magnetic blocks are installed at the front ends of the rails, and are fixedly connected with the housing; and extrusion slide magnetic blocks are installed on the slide dollies.


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    Title :

    Traction-hook throwing apparatus possessing permanent magnetism and spring double elastic forces


    Publication date :

    2015-05-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen