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JP2017193933A |
To provide a small-sized and weight-reduced core drill for excavation, which can be utilized even in a small space during improvement and reinforcement work for railroad ground, a slope or a retaining wall, which can also be used for det...
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JP6085485B2 |
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JP6024966B2 |
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JP6007734B2 |
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JP2016529423A |
A method of controlling the direction of a drilling rig that drills holes in the ground, where a striking and rotating bit (3) is used as the drilling bit, and the device is a hammer combined with the bit (3) behind the bit (3). With a r...
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JP5987487B2 |
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JP5964196B2 |
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JP5939688B2 |
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JP5932958B2 |
The invention relates to a support and a method of collaring. The support (S) comprises a support element (SE) for supporting a drilling tool (9). The support element is inside a suction housing (15) of a rock drilling unit at least duri...
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JP5818289B2 |
A fuel tank for a fuel-operated down-the-hole drill including a drill bit, is provided. A largest rotation diameter of the fuel tank is provided at or in connection with drilling equipment and is sufficiently small in order to be able to...
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JP5774147B2 |
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JP3196362U |
To surely prevent a worker's hand or finger from being pinched between a tool and a double pipe excavating machine when connecting or disconnecting a pipe of a double pipe excavating machine. Provide machine safety equipment. A safety de...
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JP2015505586A |
On the one hand, it includes a ring-shaped elastic sealing device provided with a means for contacting a seat surface arranged in the flushing housing, and on the other hand, a means for sealing contact with a movable portion surface (2)...
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JP5645764B2 |
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JP5602141B2 |
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JP5513228B2 |
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JP5462402B1 |
To provide an excavation device capable of crushing hard ground such as rock to a range exceeding the inner diameter of a casing, efficiently crushing a hard layer, and reducing the size and weight of the device. A drilling device includ...
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JP5437843B2 |
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JP5442187B2 |
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JP5396267B2 |
A method of controlling operation of a rock drilling rig, and a rock drilling rig. A rate of flow of a flushing medium of the rock drilling rig is determined, and the operation of the rock drilling rig is controlled on the basis of the d...
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JP5395688B2 |
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JP5393490B2 |
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JP5368448B2 |
Drilling apparatus having a drillstring and operable to rotate the drillstring and operable to provide vibration axially to the drill head. Relies upon vibrational apparatus positioned to provide the vibration reliant upon interactive ma...
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JP5361905B2 |
A method and a rod magazine for handling elongated rods in a rock drilling unit, and a bolting unit. Elongated rods, such as drill rods and rock bolts, are stored into a linear rod magazine-provided with feed members for transferring the...
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JP5298360B2 |
A plurality of weight hammers (7,8) are provided, and each of the plurality of weight hammers has a shape for substantially evenly applying a hammering force with respect to a surface to be hammered of an object to be hammered (11), abou...
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JP5196506B2 |
A vibration hammer is provided, including a main body; a striking unit having a piston housing installed to be elevated by a hydraulic pressure controlling valve unit installed in the main body, a hammer guide slidably installed on the m...
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JP5080640B2 |
The invention relates to a coupling arrangement for coupling a drill shank of a rock drill unrotatably but axially movably. The coupling arrangement comprises power transmission members between the surfaces of the drill shank and the rot...
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JP4988749B2 |
A method of securing a load bearing structure to the bed of a sea, river or estuary. The method comprises placing the load bearing structure on the bed; forming a pile-receiving hole in the bed by means of drilling equipment which is con...
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JP4983762B2 |
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JP4956260B2 |
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JP4940480B2 |
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JP4906335B2 |
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JP4890499B2 |
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JP4892761B2 |
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JP4874964B2 |
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 s...
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JP4868141B2 |
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JP4863343B2 |
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JP4730925B2 |
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JP2011517739T |
The present invention relates to a rock-drilling rig which has the mist lubrication system provided with a method and a separation lead pipe which deal with lubricant mist used for mist lubrication, and also a separation lead pipe. A ret...
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JP2011517739A |
A method for handling lubricant mist used in mist lubrication, a separation conduit and a rock drilling rig having a mist lubrication system provided with a separation conduit. The return flow of the lubrication mist is conveyed in the s...
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JP4672577B2 |
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JP4660044B2 |
A rock drill includes a mounting frame to which a hammering apparatus and a rotating apparatus is arranged. The mounting frame is made maneuverable with respect to a feeding beam by means of slide blocks fastened to it, whereby a separat...
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JP4628413B2 |
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JP4576085B2 |
A method and device for controlling a rock drilling machine (51) includes an impact device (5) arranged to act on a drilling tool (52), a rotation motor (7) for rotating the drilling tool (52), and a feed motor (6) for feeding the drilli...
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JP4566127B2 |
A method for controlling rock drilling and a rock drilling arrangement having at least one feed channel of a feed actuator provided with a restrictor, which causes a pressure drop if the penetration rate increases and, consequently, a fl...
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JP4551601B2 |
A rock drilling machine comprising a rotating device (1), a percussion device (2) and a shank (17) where a tool (18) is to be fastened. According to the inventive idea, lubricant used for lubricating the shank is supplied in suitable con...
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JP4533910B2 |
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JP4526018B2 |
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JP4520624B2 |
The drill/chisel assembly has a drive spindle (19) for the tool with two cogwheels (17,18) of different dimensions. A back gear shaft (1) has a drive pinion (15), and carries a tumble drive (7) for a hammer. A switch sleeve (9) on the sh...
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JP3161562U |
To provide a vehicle-mounted excavator having good excavation performance, which can be easily handled by providing an operation table having excellent visibility, workability and safety, and which is excellent in maneuverability and dur...
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