The invention provides a horizontal locking device which comprises a containing groove, a locking wedge, a lower wedge and a spindle. The containing groove is enclosed by a top wall, two end walls and two side walls, guide plates are arranged at the lower ends of the two side walls respectively and provided with horizontal portions, the horizontal portions are positioned below guide rails, the locking wedge is arranged in the containing groove, the length of the locking wedge is smaller than that of the containing groove, the upper surface of the locking wedge is abutted to the top wall of the containing groove, the lower surface of the locking wedge is a wedge-shaped surface and longitudinally inclined, the locking wedge can move along the direction of the spindle, the lower wedge is arranged in the containing groove, the upper surface of the lower wedge is a wedge-shaped surface and fitted with the lower surface of the locking wedge, the lower surface of the lower wedge is abutted to the guide rails, the spindle is longitudinally arranged, one end of the spindle is connected to a drill floor supporting leg, the other end of the spindle penetrates the two end walls and is fixed to the locking wedge, and two locking pieces are screwed on the spindle and positioned on opposite outer sides of the two end walls to lock and position the spindle in the containing groove.


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    Title :

    Self-elevating platform and horizontal locking device thereof


    Contributors:
    LI TAO (author) / YU CHANGJIANG (author) / WANG CHUNLIN (author) / WANG JIALI (author)

    Publication date :

    2015-07-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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