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    • 7. 发明申请
    • IMPACT DEVICE AND METHOD FOR GENERATING STRESS PULSE THEREIN
    • 用于产生应力脉冲的冲击装置和方法
    • WO2005002802A1
    • 2005-01-13
    • PCT/FI2004/000429
    • 2004-07-06
    • SANDVIK TAMROCK OYKESKINIVA, MarkkuMÄKI, JormaESKO, MauriAHOLA, ErkkiHELIN, AimoMUUTTONEN, Timo
    • KESKINIVA, MarkkuMÄKI, JormaESKO, MauriAHOLA, ErkkiHELIN, AimoMUUTTONEN, Timo
    • B25D9/06
    • B25D9/145B25D9/125B25D9/22
    • A pressure fluid operated impact device comprising a frame (2) whereto a tool (3) is mountable movably in its longitudinal direction, and control means (7) for controlling pressure fluid feed to the impact device (1), as well as a method of generating a stress pulse in a pressure fluid operated impact device. The impact device (1) comprises a working chamber (8) and a transmission piston (9) moving therein. Energy charging means for charging energy of pressure fluid and the control means are coupled to allow periodically alternately pressure fluid to flow to the working chamber (8) and, correspondingly, to discharge pressure fluid from the working chamber (8). In the method, pressure fluid is fed to the working chamber (8), which produces a force pushing the transmission piston (9) in the direction of the tool (3), thus generating a stress pulse in the tool (3).
    • 一种压力流体操作的冲击装置,包括框架(2),其中工具(3)沿其纵向可移动地安装,以及用于控制对冲击装置(1)的压力流体供给的控制装置(7) 在压力流体操作的冲击装置中产生应力脉冲。 冲击装置(1)包括在其中移动的工作室(8)和传动活塞(9)。 用于对压力流体和控制装置的能量进行充电的能量充电装置被联接以允许周期性地交替地将压力流体流动到工作室(8),并相应地从工作室(8)排出压力流体。 在该方法中,将压力流体供给到工作室(8),该工作室产生沿工具(3)的方向推动传动活塞(9)的力,从而在工具(3)中产生应力脉冲。
    • 8. 发明申请
    • METHOD AND ARRANGEMENT FOR ROCK DRILLING AND TOOL AND ROCK DRILL USED IN ROCK DRILLING
    • 用于岩石钻井的岩石钻探和工具和岩石钻孔的方法和装置
    • WO2002097232A1
    • 2002-12-05
    • PCT/FI2001/000524
    • 2001-06-01
    • SANDVIK TAMROCK OYKESKINIVA, MarkkuSALMINEN, PekkaMÄKI, JormaLATVA-PUKKILA, Pasi
    • KESKINIVA, MarkkuSALMINEN, PekkaMÄKI, JormaLATVA-PUKKILA, Pasi
    • E21B17/00
    • E21B17/04E21B6/00
    • The invention relates to a method of rock drilling, in which method compressive stress is directed to the rock by a hammering apparatus (2) of a rock drill. After a predefined time delay from the compressive stress wave, a percussive torsional component is also directed to a bit, removing rock by cutting.The invention further relates to an arrangement for rock drilling, which arrangement comprises a rock drill (1) having a hammering apparatus (2) for creating a compressive stress wave in a tool (4) connected to the rock drill. The arrangement further comprises means for creating a percussive torsional stress wave in the bit for cutting the rock.The invention also relates to a tool used in rock drilling, which comprises an anisotropic section (7) where the primary compressive stress wave (FP) directed to the tool is divided into a secondary compressive stress wave (FS) and a torsional stress wave (FT).
    • 本发明涉及一种岩石钻探方法,其中通过凿岩机的锤击装置(2)将压缩应力引向岩石。 在从压缩应力波预定义的时间延迟之后,冲击扭转部件也被引导到一点,通过切割去除岩石。本发明还涉及一种用于岩石钻孔的装置,该装置包括具有锤击的凿岩机(1) 用于在连接到凿岩机的工具(4)中产生压缩应力波的装置(2)。 该装置还包括用于在用于切割岩石的钻头中产生冲击扭转应力波的装置。本发明还涉及一种用于岩石钻探的工具,其包括各向异性部分(7),其中主压应力波(FP)指向 工具分为二次压应力波(FS)和扭转应力波(FT)。
    • 9. 发明申请
    • PRESSURE-FLUID-OPERATED PERCUSSION DEVICE
    • 压力 - 流体操作的冲击装置
    • WO2005080051A1
    • 2005-09-01
    • PCT/FI2005/050045
    • 2005-02-22
    • SANDVIK TAMROCK OYKESKINIVA, MarkkuMÄKI, JormaMAURI, EskoAHOLA, ErkkiHELIN, Aimo
    • KESKINIVA, MarkkuMÄKI, JormaMAURI, EskoAHOLA, ErkkiHELIN, Aimo
    • B25D9/12
    • E21B1/02B25D9/12B25D9/18B25D2209/002
    • The invention relates to a pressure-fluid-operated percussion de­vice comprising a frame (2) allowing a tool (13) to be arranged therein movably in its longitudinal direction, means for feeding pressure liquid to the percussion device (1) and for returning pressure liquid to a pressure liquid tank, and means for producing a stress pulse in the tool by utilizing pressure of the pres­sure liquid. The invention includes a pressure liquid source for maintaining pressure in the working pressure chamber (3), and means for intermittently feeding pressure liquid to the percussion device (1) such that the pressure liq­uid pushes a transmission piston into a predetermined backward position such that pressure liquid is discharged from the working pressure chamber (3), and for alternately allowing pressure liquid to be discharged rapidly from the per­cussion device (1) so that the pressure of the pressure liquid in the working pressure chamber (3) and pressure liquid flowing thereto from the pressure liquid source pushes the transmission piston (4) towards the tool (13), thus generating a stress pulse in the tool (13).
    • 本发明涉及一种压力流体操作的冲击装置,其包括:允许工具(13)沿其纵向方向可移动地设置的框架(2),用于将压力液体供给冲击装置(1)并将压力返回的压力 液体到压力液体罐,以及用于通过利用压力液体的压力在工具中产生应力脉冲的装置。 本发明包括用于维持工作压力室(3)中的压力的​​压力液体源,以及用于将压力液体间歇地供给冲击装置(1)的装置,使得压力液体将传动活塞推动到预定的后退位置,使得压力 液体从工作压力室(3)排出,并且交替地允许压力液体从冲击装置(1)快速排出,使得工作压力室(3)中的压力液体的压力和流入其中的压力液体 从压力液体源将传动活塞(4)推向工具(13),从而在工具(13)中产生应力脉冲。