MINERÍA DE EXPLOTACIÓN SUBTERRÁNEA

    公开(公告)号:ECSP12012159A

    公开(公告)日:2012-10-30

    申请号:ECSP12012159

    申请日:2012-09-17

    Abstract: Método de minería por hundimiento de bloques que comprende excavar túneles 21 de socavado a un nivel de socavado; perforar orificios 25 de voladura de socavado a través de los techos de túnel de socavado y colocar y detonar cargas explosivas en esos orificios para volar rocas encima de los túneles de socavado para iniciar la formación de cavernas 26 de rocas rotas encima de los túneles 21 de socavado; excavar túneles 22 a nivel de extracción a un nivel de extracción inferior al nivel de socavado; perforar orificios 33 de voladura de punto de extracción hacia arriba desde los túneles a nivel de extracción en ubicaciones de punto de extracción seleccionadas hacia las cavernas 26 de rocas rotas y colocar y detonar cargas explosivas en esos orificios para volar puntos 32 de extracción a través de los cuales cae roca rota dentro de los túneles 22 a nivel de extracción; y retirar progresivamente tal roca caída de las ubicaciones de punto de extracción a través de los túneles 22 a nivel de extracción; en el que algo de la excavación se realiza mecánicamente mediante maquinaria tuneladora.

    Overwind conveyance drop protection

    公开(公告)号:AU2014277628B2

    公开(公告)日:2018-09-20

    申请号:AU2014277628

    申请日:2014-06-06

    Abstract: 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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    27.
    发明专利

    公开(公告)号:AU2014308561A1

    公开(公告)日:2016-02-25

    申请号:AU2014308561

    申请日:2014-08-25

    Abstract: A conveyance system for moving a conveyance along a mine shaft during shaft construction, comprising: a first guide section; a second guide section located along the mineshaft in series with the first guide section, the conveyance being movable along the first guide section; and a head section for receiving the conveyance, the head section cooperating with the first guide section to enable the conveyance to travel from the second guide section along the first guide section when received by the head section.

    Overwind conveyance drop protection

    公开(公告)号:AU2014277628A1

    公开(公告)日:2016-01-07

    申请号:AU2014277628

    申请日:2014-06-06

    Abstract: 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.

    OVERWIND CONVEYANCE DROP PROTECTION

    公开(公告)号:CA2912658A1

    公开(公告)日:2014-12-11

    申请号:CA2912658

    申请日:2014-06-06

    Abstract: 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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