公开(公告)号：US08418618B2

公开(公告)日：2013-04-16

申请号：US12810101

申请日：2008-12-16

Applicant: Erkki Ahola ,  Veikko Räisänen

Inventor： Erkki Ahola ,  Veikko Räisänen

IPC: F42D3/04 ,  E21B7/00

CPC classification number: E21B7/025 ,  E21C37/16

Abstract: A method of small-charge blasting, a rock drilling unit and a front guide to be used therein. By means of a rock drill machine provided in the rock drilling unit, a hole is first drilled into a material to be excavated and, subsequently, a drilling tool is pulled out of the hole. Next, one or more propellants comprising a propellant charge are fed to the bottom of the hole through a propellant feed channel provided in connection with a feed beam. Then, the hole is sealed and the propellant is ignited, whereupon a high gas pressure is generated, which causes fractioning in the material to be excavated. During the feeding and ignition of the propellant, the rock drill machine is kept in a parallel direction with respect to the hole.

Abstract translation: 一种小型喷砂方法，一种凿岩装置和一种在其中使用的前导板。 通过设置在岩石钻井单元中的凿岩机，首先将钻孔钻入待挖掘的材料中，随后将钻具从孔中拉出。 接下来，包括推进剂装料的一种或多种推进剂通过与进料梁结合提供的推进剂进料通道进料到孔的底部。 然后，密封该孔并且点燃推进剂，由此产生高的气体压力，这导致要挖掘的材料的分馏。 在推进剂的进料和点燃期间，凿岩机相对于孔保持平行的方向。

公开(公告)号：US07441608B2

公开(公告)日：2008-10-28

申请号：US11819304

申请日：2007-06-26

Applicant: Markku Keskiniva ,  Erkki Ahola ,  Ari Kotala

Inventor： Markku Keskiniva ,  Erkki Ahola ,  Ari Kotala

IPC: B25D9/00

CPC classification number: B25D9/12

Abstract: A percussion device for a rock drilling machine or the like, which includes providing an impact, i.e. a stress pulse, to a tool connected to the percussion device. The the stress pulse is provided by way of a stress element of liquid, which is supported to a body of the percussion device. The stress element is subjected to pressure and correspondingly the stress element is released abruptly, whereby the stress energy is discharged as a stress pulse to the tool in direct or indirect contact with the stress element.

Abstract translation: 一种用于凿岩机等的冲击装置，其包括向连接到冲击装置的工具提供冲击，即应力脉冲。 应力脉冲通过液体的应力元件提供，该应力元件被支撑在冲击装置的主体上。 应力元件经受压力，并且相应地应力元件突然释放，由此应力能量作为应力脉冲被排放到与应力元件直接或间接接触的工具上。

公开(公告)号：US07290622B2

公开(公告)日：2007-11-06

申请号：US11206811

申请日：2005-08-19

Applicant: Markku Keskiniva ,  Jorma Maki ,  Mauri Esko ,  Erkki Ahola

Inventor： Markku Keskiniva ,  Jorma Maki ,  Mauri Esko ,  Erkki Ahola

IPC: B25D9/00

CPC classification number: B25D9/22 ,  B23B2251/02 ,  B25D2209/005

Abstract: An impact device includes a frame to which a tool is connectible, and a stress element that is supported on the frame and disposed between the frame and the tool. A hydraulic control system leads pressurized hydraulic fluid into and out of a hydraulic fluid space such that the stress element causes a stress pulse in the tool. The hydraulic control system includes a rotatingly installed control valve that has control openings for intermittently leading the hydraulic fluid out from the hydraulic fluid space.

Abstract translation: 冲击装置包括可与工具连接的框架，以及支撑在框架上并设置在框架和工具之间的应力元件。 液压控制系统将加压液压流体引入和流出液压流体空间，使得应力元件在工具中引起应力脉冲。 液压控制系统包括旋转安装的控制阀，其具有用于间歇地将液压流体从液压流体空间引出的控制开口。

公开(公告)号：US20060157259A1

公开(公告)日：2006-07-20

申请号：US10563821

申请日：2004-07-06

Applicant: Markku Keskiniva ,  Jorma Maki ,  Mauri Esko ,  Erkki Ahola ,  Aimo Helin ,  Timo Muuttonen

Inventor： Markku Keskiniva ,  Jorma Maki ,  Mauri Esko ,  Erkki Ahola ,  Aimo Helin ,  Timo Muuttonen

IPC: B25B21/02

CPC classification number: B25D9/145 ,  B25D9/125 ,  B25D9/22

Abstract: 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).

Abstract translation: 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。

公开(公告)号：US20060032649A1

公开(公告)日：2006-02-16

申请号：US11206811

申请日：2005-08-19

Applicant: Markku Keskiniva ,  Jorma Maki ,  Mauri Esko ,  Erkki Ahola

Inventor： Markku Keskiniva ,  Jorma Maki ,  Mauri Esko ,  Erkki Ahola

IPC: E21B19/16

CPC classification number: B25D9/22 ,  B23B2251/02 ,  B25D2209/005

Abstract: The invention relates to an impact device comprising a frame to which a tool is connectible, and between the frame and the tool a stress element (3) supported to the frame of the impact device, and a hydraulic fluid space (6) and means for leading pressurized hydraulic fluid into and out of the hydraulic fluid space (6), respectively. The impact device comprises a rotatingly installed control valve (5) having control channels (5b) for leading the hydraulic fluid intermittently from the hydraulic fluid space (6) to the return channel.

Abstract translation: 本发明涉及一种冲击装置，其包括框架，工具可连接到该框架上，并且在框架和工具之间，支撑在冲击装置的框架上的应力元件（3）和液压流体空间（6）以及用于 引导加压液压流体分别进入和离开液压流体空间（6）。 冲击装置包括旋转安装的控制阀（5），其具有用于将液压流体从液压流体空间（6）间歇地引导到返回通道的控制通道（5b）。

公开(公告)号：US08151901B2

公开(公告)日：2012-04-10

申请号：US10563821

申请日：2004-07-06

Applicant: Markku Keskiniva ,  Jorma Mäki ,  Mauri Esko ,  Erkki Ahola ,  Aimo Helin ,  Timo Muuttonen

Inventor： Markku Keskiniva ,  Jorma Mäki ,  Mauri Esko ,  Erkki Ahola ,  Aimo Helin ,  Timo Muuttonen

IPC: B25B21/02

CPC classification number: B25D9/145 ,  B25D9/125 ,  B25D9/22

Abstract: 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).

Abstract translation: 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。

公开(公告)号：US08061434B2

公开(公告)日：2011-11-22

申请号：US11886679

申请日：2006-03-22

Applicant: Markku Keskiniva ,  Jorma Mäki ,  Mauri Esko ,  Erkki Ahola

Inventor： Markku Keskiniva ,  Jorma Mäki ,  Mauri Esko ,  Erkki Ahola

IPC: E21B7/00

CPC classification number: E21C3/26 ,  B25D9/02 ,  B25D9/04 ,  B25D9/26 ,  B25D2250/005 ,  B25D2250/021

Abstract: A method for controlling the operation of a pressure fluid operated percussion device and to a pressure fluid operated percussion device. The method includes influencing the shape of a stress wave by setting a suitable clearance between a transmission piston and a tool. The percussion device is provided with a device for setting the clearance between the transmission piston and the tool.

Abstract translation: 一种用于控制压力流体操作的冲击装置和压力流体操作的冲击装置的操作的方法。 该方法包括通过在传动活塞和工具之间设置合适的间隙来影响应力波的形状。 冲击装置设置有用于设定传动活塞和工具之间的间隙的装置。

公开(公告)号：US07717190B2

公开(公告)日：2010-05-18

申请号：US11631150

申请日：2005-06-30

Applicant: Markku Keskiniva ,  Jorma Mäki ,  Aimo Helin ,  Mauri Esko ,  Erkki Ahola

Inventor： Markku Keskiniva ,  Jorma Mäki ,  Aimo Helin ,  Mauri Esko ,  Erkki Ahola

IPC: B25D9/26 ,  E21B1/00

CPC classification number: B25D9/26 ,  B25D2250/221 ,  E21B1/00 ,  E21B6/00 ,  E21B44/08

Abstract: A method and software product for controlling a percussion device belonging to a rock-drilling machine, and a percussion device. The impact frequency of the percussion device is set so that the percussion device forms a new compression stress wave to the tool always when reflected waves from the previous compression stress waves reach a first end of the tool. This requires that the impact frequency be set proportional to the propagation time of the stress wave, whereby the length of the used tool and the propagation velocity of the stress wave in the tool material are to be noted.

Abstract translation: 一种用于控制属于凿岩机的冲击装置的方法和软件产品，以及一种冲击装置。 冲击装置的冲击频率被设定为使冲击装置在来自先前的压缩应力波的反射波到达工具的第一端时始终向工具形成新的压缩应力波。 这要求冲击频率设定成与应力波的传播时间成比例，由此应注意使用的工具的长度和工具材料中的应力波的传播速度。

公开(公告)号：US07178447B2

公开(公告)日：2007-02-20

申请号：US10546245

申请日：2004-02-23

Applicant: Antti Koskimäki ,  Markku Keskiniva ,  Jorma Mäki ,  Mauri Esko ,  Erkki Ahola ,  Aimo Helin

Inventor： Antti Koskimäki ,  Markku Keskiniva ,  Jorma Mäki ,  Mauri Esko ,  Erkki Ahola ,  Aimo Helin

IPC: F01B25/02 ,  F01L27/00

CPC classification number: B25D9/18 ,  B25D9/20 ,  B25D2209/005

Abstract: The invention relates to a control valve, a percussion device and a method of controlling a working cycle of a percussion device. A percussion device (1) for breaking rock includes an impact element (8) controlled by a control valve (2). The control valve includes a control element (5) arranged to control channels (7b) leading to a working pressure surface (9) of the impact element (8). The control element, during a working cycle of the control valve, is arranged to open and close pressure channels at several connecting moments so that during one working cycle of the valve, several impact pulses are arranged to be produced.

Abstract translation: 本发明涉及一种控制阀，一种冲击装置以及一种控制冲击装置工作循环的方法。 用于破碎岩石的冲击装置（1）包括由控制阀（2）控制的冲击元件（8）。 控制阀包括控制元件（5），该控制元件（5）被布置成控制通向冲击元件（8）的工作压力表面（9）的通道（7b）。 控制元件在控制阀的工作循环期间被布置成在几个连接力矩下打开和关闭压力通道，使得在阀的一个工作循环期间，布置若干冲击脉冲以产生。

公开(公告)号：US20060185864A1

公开(公告)日：2006-08-24

申请号：US10563827

申请日：2004-07-06

Applicant: Markku Keskiniva ,  Jorma Maki ,  Mauri Esko ,  Erkki Ahola ,  Aimo Helin ,  Timo Muuttonen

Inventor： Markku Keskiniva ,  Jorma Maki ,  Mauri Esko ,  Erkki Ahola ,  Aimo Helin ,  Timo Muuttonen

IPC: B25B21/02

CPC classification number: E21B44/08 ,  B25D9/125 ,  B25D9/145 ,  B25D9/22

Abstract: A method of generating a stress pulse, and an impact device. In the method, pressure fluid is fed as pressure pulses to a working chamber residing between the frame of the impact device and a tool such that the resulting force presses the tool towards the material to be processed. The impact device comprises a working chamber and means for conveying pressure fluid as pressure pulses thereto such that a force is produced between the frame of the impact device and a tool to press the tool towards the material to be processed.

Abstract translation: 产生应力脉冲的方法和冲击装置。 在该方法中，压力流体作为压力脉冲被供给到位于冲击装置的框架和工具之间的工作室，使得所得到的力将工具朝向要处理的材料挤压。 冲击装置包括工作室和用于将压力流体作为压力脉冲输送到其上的装置，使得在冲击装置的框架和将工具朝向待处理材料之间产生力。