The invention belongs to the technical field of the coastal reclamation and siltation promotion and in particular relates to a perforated block lifting appliance for the construction of a siltation promotion embankment. The perforated block lifting appliance comprises a top plate, a bottom plate and multiple stand columns arranged between the top plate and the bottom plate, wherein all the stand columns form a middle frame with a rectangular cross section, multiple lifting lugs are fixedly connected on the upper surface of the top plate, a vertical supporting plate is fixedly connected at the edge of one side of the upper surface of the top plate, a horizontal shaft sleeve is fixedly connected at the edge of the other side of the upper surface of the top plate, a lever is articulated at the top part of the supporting plate, the inner end of the lever is extended to the central line of the middle frame, the outer end of the lever is fixedly connected with a handle, and a pin is arranged in the shaft sleeve; a left overturning plate and a right overturning plate are articulated at the edges of the left side and the right side of the bottom plate respectively, and tension springs are both connected at the inner sides of the left overturning plate and the right overturning plate; the perforated block lifting appliance also comprises a sling, the top end of the sling is connected with the inner end of the lever, the bottom end of the sling is connected with the inner ends of two tension springs, a center hole is formed in the middle of the top plate, and the center hole penetrates through the middle-upper part of the sling and a lantern ring is arranged at the position of the middle-upper part of the sling.


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    Titel :

    Perforated block lifting appliance for construction of siltation promotion embankment


    Beteiligte:
    LIU ENWEI (Autor:in) / SUN FANGCHUN (Autor:in) / ZHAO MING (Autor:in) / DONG DAOWU (Autor:in) / WU SHUKUI (Autor:in) / ZHANG PEI (Autor:in) / YANG DONG (Autor:in) / TAN YOUZHOU (Autor:in) / ZHANG YU (Autor:in)

    Erscheinungsdatum :

    2015-05-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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