Rock drilling machine
    1.
    发明授权
    Rock drilling machine 失效
    凿岩机

    公开(公告)号:US5613568A

    公开(公告)日:1997-03-25

    申请号:US549794

    申请日:1995-11-01

    IPC分类号: E21B4/18 E21B3/02

    CPC分类号: E21B4/18

    摘要: A rock drilling machine of the self-feeding, integrated type which is designed to operate in situ in a drill hole. The rock drilling machine comprises a drive unit (1), an anchoring unit (2), and a feeding unit (3) which is active between the anchoring unit (2) and the drive unit (1). The drive unit (1) comprises a hydraulic power assembly (5, 8) at the rear end of the unit, a drill bit (21) which is rotatable at the front end of the unit, a guide (10) with a longitudinal cavity (23), which guide extends between the hydraulic power assembly and the drill head and connects these non-rotatably to each other, a rotatable drive shaft (22) which extends from the hydraulic power assembly, through the said cavity in the guide, for rotation of the drill bit, and first securing devices (17) in order to be able to anchor the drive unit releasably in the drill hole. The anchoring unit (2) comprises at least one control element (30') around the said guide, and second securing devices (31, 31') in order to anchor the control element releasably by means of engagement against the drill hole wall, and the feeding unit (3) comprises at least three individually manoeuvrable hydraulic cylinders (60-62) between the anchoring unit and the drive unit for feeding the drill bit forwards in the desired direction, when the said first securing devices are inactive, and when the said second securing devices actively anchor the control element in the drill hole.

    摘要翻译: PCT No.PCT / SE94 / 00405 Sec。 371日期:1995年11月1日 102(e)1995年11月1日日期PCT提交1994年5月4日PCT公布。 出版物WO94 / 27022 日期1994年11月24日一种自钻式钻机,一体式设计在钻孔中原位操作。 凿岩机包括在锚定单元(2)和驱动单元(1)之间有效的驱动单元(1),锚定单元(2)和馈送单元(3)。 所述驱动单元(1)包括在所述单元的后端的液压动力组件(5,8),可在所述单元的前端旋转的钻头(21),具有纵向腔 (23),该引导件在液压动力组件和钻头之间延伸并且将这些不可旋转地彼此连接,从液压动力组件延伸通过引导件中的所述腔的可旋转驱动轴(22),用于 钻头的旋转和第一固定装置(17),以便能够将驱动单元可释放地锚固在钻孔中。 锚定单元(2)包括围绕所述引导件的至少一个控制元件(30')和第二固定装置(31,31'),以便通过与钻孔壁的接合可释放地锚定控制元件,以及 馈送单元(3)包括在锚定单元和驱动单元之间的至少三个独立的可操作的液压缸(60-62),用于当所述第一固定装置不活动时沿着期望的方向向前馈送钻头,并且当 所述第二固定装置主动地将控制元件固定在钻孔中。