The invention belongs to the technical field of mechanical engineering. A cross rod is erected on the ground if carrying is needed at a workshop, a working site or a wharf, and the pull ring sleeves the cross rod, and then the required heavy object is hung on the pull ring; at the moment, a remote controller is used for controlling the cross rod to rotate clockwise and anticlockwise; when the cross rod rotates clockwise, the ring pulls the heavy object from the right end to the left end; when the cross rod rotates anticlockwise, the ring pulls the heavy object from the left end to the right end. Particularly importantly, the ring can pull the heavy object without energy, and the pulling force is generated by the pull ring; however, the fact how the pull ring generates the force is that an ingenious structure in the pull ring converts the gravity, and the direction of the gravity points to the center of the earth and is perpendicular to the ground; the ring is used for rotating the gravity by 90 degrees to change the direction level to the ground, and the force of the pull ring is just in the horizontal direction; meanwhile, if the heavy object hung on the pull ring is heavier, and the pulling force generated by the pull ring is higher; the energy of the ring for pulling the heavy object is not the energy generated by clockwise and anticlockwise rotation of a motor at all, but is the energy generated by the pull ring.


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    Titel :

    Pull ring on crane


    Beteiligte:
    SUN SHENGFANG (Autor:in)

    Erscheinungsdatum :

    27.05.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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