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    • 61. 发明申请
    • BOREHOLE IMPACT ROCK BREAKER
    • 井眼冲击破岩机
    • WO2011130463A1
    • 2011-10-20
    • PCT/US2011/032395
    • 2011-04-14
    • SENULES, Jeffrey, S.
    • SENULES, Jeffrey, S.
    • E21C37/04
    • E21C37/04B25D17/02
    • A device used to break rock from within a predrilled borehole through the use of impact pins which strike against the interior sides of a drilled hole. The device is loaded into a drilled hole and then activated by a percussive hammer located above the hole, providing percussive energy to the device which is then transferred to the sidewall of the drilled hole. The device includes an inner piston assembly which includes a driving surface for causing impact pins to strike the interior sidewall of the drilled hole in a rapid percussive manner so as to greatly improve the ability to break and shatter surrounding rock or concrete.
    • 一种用于通过使用撞击钻孔内侧的冲击销从预钻孔钻孔中破碎岩石的装置。 该装置被装载到钻孔中,然后由位于孔上方的冲击锤激活,向装置提供冲击能量,该冲击能量然后被转移到钻孔的侧壁。 该装置包括内部活塞组件,该内部活塞组件包括驱动表面,用于使冲击销以快速的冲击方式撞击钻孔的内侧壁,从而大大提高破碎和破碎周围的岩石或混凝土的能力。