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实用新型
CN202202821U 一种钻具 失效 - 权利终止

一种钻具
摘要：
本实用新型公开一种钻具，涉及钻机技术领域，为实现连接可靠、减少掉钻事故发生的钻具的技术问题而实用新型。钻具，包括钻杆和与所述钻杆相连接的钻头；在所述钻杆和钻头的法兰连接盘上各自开设有至少两个开口；在所述钻杆和钻头的法兰连接盘上还各自开设有至少两个销孔；所述钻杆的法兰连接盘与所述钻头的法兰连接盘相对接，且所述钻杆的法兰连接盘上的所述开口及销孔与所述钻头的法兰连接盘上的所述开口及销孔相对应；在所述相对应的开口中设置有工字卡；所述工字卡将所述钻杆和钻头的法兰连接盘相联接；在所述相对应的销孔中穿设有传递扭矩的销轴。本实用新型适用于矿山的大中型和其它工程大型孔施工用。
摘要（英）：

The utility model discloses a drilling jig and relates to the technical field of a drilling machine; and the utility model is used for resolving the technical problems of a drilling rig to realize reliable connection and reduce the occurrence of falling. The drilling jig comprises a drill rod and a drill connected with the drilling rod; at least two openings are respectively drilled on the flange connecting discs of the drill rod and the drill, and at least two pin holes are respectively drilled on the flange connecting discs of the drill rod and the drill; the flange connecting disc of the drill rod is respectively butted with that of the drill, and the opening and the pin hole on the flange connecting disc of the drill rod are respectively corresponding to those of the drill; transverse-H cards are arranged corresponding openings, and used for linking the flange connecting discs of the drill rod and the drill; and a pin shaft for transmitting a torsion penetrates through the corresponding pin holes.

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