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    • 3. 发明公开
    • Rock drilling device
    • Gesteinsbohreinrichtung。
    • EP0534919A1
    • 1993-03-31
    • EP92850192.3
    • 1992-08-14
    • UNIROC AKTIEBOLAG
    • Rodert, JörgenAndersson, Kurt
    • E21B7/20E21B17/00
    • E21B17/00E21B7/20
    • Rock drilling device comprising a drilling tool with a set of tubes (7) and a set of rods (9) arranged therein. The drilling tool comprises a number of sections which each comprises a tube (7), a rod (9) and an end piece (11). The rod is provided with projections (10) at least near one of its ends for cooperation with parts (13,14) with reduced diameter in the tube and end piece respectively. The part (13) in the tube limits the movement of the rod in a direction away from the end piece. The part (14) in the end piece limits the movement of the rod in a direction towards the end piece. All thread connections (12) between different sections of the drilling tool and between tube and end piece within each section are made in the same way and thus equally easy to break.
    • 岩石钻探装置包括具有一组管(7)的钻具和设置在其中的一组杆(9)。 钻孔工具包括多个部分,每个部分包括管(7),杆(9)和端部件(11)。 杆至少在其一个端部设有突起(10),用于与管和端件中的直径减小的部件(13,14)配合。 管中的部分(13)限制杆在远离端部件的方向上的移动。 端件中的部件(14)限制杆朝向端部件的方向的移动。 钻孔工具的不同部分之间以及各部分的管和端部件之间的所有螺纹连接(12)以相同的方式制造,因此同样容易断裂。
    • 4. 发明公开
    • Device in hammer machines
    • VorrichtungfürHammermaschinen。
    • EP0516599A1
    • 1992-12-02
    • EP92850084.2
    • 1992-04-13
    • UNIROC AKTIEBOLAG
    • Rodert, JörgenAndersson, Kurt
    • E21B4/06
    • E21B4/06E21B7/208
    • Device in hammer machines. The device comprises a machine housing (1) and a hammer piston (2) movable to-and-fro in the machine housing. A drilling tool connected to the machine housing comprises a drill bit (5), a set of tubes (4) for rotating the drill bit and a set of rods (3) for transferring impact energy to the drill bit. A rod (11) situated adjacent to the drill bit is procided with an axial channel (7) and a radial channel (8) for supplying flushing medium to the flushing channel (6) of the drill bit. The distance (S) from the front end (9) of the drill bit to channel (8) is larger than the length (L) of the hammer piston (2).
    • 设备在锤子机器。 该装置包括在机器壳体中可移动的机械壳体(1)和锤式活塞(2)。 连接到机器壳体的钻孔工具包括钻头(5),用于旋转钻头的一组管(4)和用于将冲击能量传递到钻头的一组杆(3)。 位于钻头附近的杆(11)具有用于将冲洗介质供应到钻头的冲洗通道(6)的轴向通道(7)和径向通道(8)。 从钻头的前端(9)到通道(8)的距离(S)大于锤式活塞(2)的长度(L)。