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公开(公告)号:US3659661A
公开(公告)日:1972-05-02
申请号:US3659661D
申请日:1970-02-02
Applicant: DRESSER IND
Inventor: YOUNG JAMES W , CASON GEORGE A , KUNKEL ERNEST O
Abstract: An apparatus for boring large diameter holes. A drilling mechanism is pivotally mounted on a base and arranged so that it may drill at any angle from the horizontal, either up or down. Means are provided to divert the drilling residue and loose rock and a drill pipe positioning system installs and removes sections of the drill pipe.
Abstract translation: 一种用于钻孔大直径孔的装置。 钻孔机构枢转地安装在基座上并且被布置成使得其可以与水平方向上或向下以任何角度钻。 提供了用于转移钻孔残留物和松散岩石的装置,并且钻杆定位系统安装和移除钻杆的部分。