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    • 1. 发明公开
    • METHOD IN PUTTING TOGETHER OF A DOWN-THE-HOLE DRILLING APPARATUS AND A DOWN-THE-HOLE DRILLING APPARATUS
    • 将井下钻孔装置和井下钻孔装置连接在一起的方法
    • EP3011127A1
    • 2016-04-27
    • EP14829014.1
    • 2014-05-15
    • OY Atlas Copco Rotex AB
    • GYLLING, Kai
    • E21B17/14E21B17/04E21B7/20
    • E21B7/20E21B3/00E21B10/36E21B17/00E21B17/04E21B17/076E21B19/18
    • A method for assembling a down-the-hole drilling apparatus including a drilling device including a casing and a drilling unit arranged during drilling in connection with the casing. The drilling unit includes a drilling head including a drilling arrangement including a first drilling member for drilling a center hole and a second drilling member for reaming the center hole. The drilling members are mutually power transmittingly coupled during drilling to cooperate for rotational, feeding and/or hammering, and removably coupled to enable removal of the first drilling member from a hole. The casing is arranged to be pulled into the hole through a shoulder arranged at an end of the casing. At an opposite end of the drilling arrangement with respect to a drilling surface, is arranged a skirt including a radial internal shoulder for pulling the casing into the hole by cooperation of the internal shoulder and an external shoulder at the end of the casing.
    • 本发明涉及一种潜孔钻井设备和潜孔钻井设备的组合方法,该设备具有由钻壳部分(2)和钻凿单元(2)组成的钻凿装置(1) (3)至少在与上述相关的钻井情况下存在,所述钻井单元在其钻井头中包括钻井布置,诸如用于钻中心孔的第一钻井装置(4)和用于钻井的第二钻井装置(5) 用于壳体部件(2)的中心孔,钻孔装置(4,5)至少在钻孔的情况下彼此以动力传递的方式在第一手上联接,以便实现其转动运动的协作 ,进给运动和/或锤击运动,另一方面可移除地与壳体部分(2)连接,以便至少能够从钻孔中除去第一钻孔装置(4)。 壳体部件(2)被布置成被拉入孔中以通过肩部装置被钻入,所述肩部装置在其端部通过来自钻孔单元(3)的力的影响而被布置。 在钻凿装置(例如第二钻凿装置(5))的相对于钻凿单元(3)的钻凿表面(P)的相对端部(II)处设置有内置裙部(z ),其在径向方向(r)上具有内部肩部布置(x),用于通过所述内部肩部布置(x)和外部肩部布置(x)的协作将壳体部件(2)拉入到待钻孔中 y)布置在壳体部分的末端(I)处。