A hoist system for hoisting a conveyance from a mineshaft, comprising: a head frame mounted over the mineshaft; a hoist connected to the conveyance by an elongate flexible hoisting element so as to be operable to hoist the conveyance from the mineshaft by winding the hoisting element; an upper crash barrier located on the head frame so as to be engageable by the conveyance to prevent upward movement of the conveyance beyond the crash barrier in an overwind condition; and an upper conveyance retarder to retard upward movement of the conveyance as it approaches the crash barrier.


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    Titel :

    Защита подъемного сосуда от падения при переподъеме


    Erscheinungsdatum :

    17.07.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Russisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS