Sandvik Mining and Construction Oy

Tamrock Oy

Oy Tampella Ab

Sandvik Tamrock Oy

Juha Piipponen

Jukka Osara

Mikko Kouvo

Esa Rantala

Sirpa Launis

Tapani Sormunen

Jarno Kuittinen

Timo Niemi

Ossi Tienari

Seppo Peltola

Juhani Lappalainen

Pentti Enlund

Johannes Välivaara

Stephen Connelly

Pekka Anttonen

Anssi Hyvarinen

Risto Kallinen

Jouko Kuisma

Teemu Majander

Kimmo Eronen

Paul Brown

Janne Voimanen

Jussi Maksimainen

Mikko Merilaeinen

Sami Keranen

Juho JÄRKKÄLÄ

Anssi Hyvärinen

Mikko MERILÄINEN

Sami KERÄNEN

An apparatus for feeding a tubular object inside a drill hole, a rock drilling rig and a method of supporting mouth openings of drill holes is provided. The apparatus includes a support device for supporting an elongated tube element blank having the potential for several successive tube inserts. A front end of the tube element blank is moved longitudinally inside a drill hole by means of a feeding device. Thereby, the drill hole is provided with a protective section extending a limited longitudinal dimension towards a bottom of the drill hole. The apparatus further includes a separation device for detaching the mentioned tube inserts one by one from the tube element blank.

Apparatus for feeding tube elements, rock drilling rig and method of supporting drill hole openings

A feed beam, a rock drilling unit and to a method of manufacturing a feed beam is provided. The feed beam includes a basic profile element, which has two or more superimposed material layers. At least one of the material layers may be made of a composite material.

Feed beam and method of manufacturing the same

The invention relates to method for positioning a rock drilling rig and to a rock drilling rig. The rock drilling rig is moved using combustion-engine-free drive equipment with an electric drive motor. The torque is transmitted from the drive motor to the traction wheels over a mechanical anti-slip transmission connection. The ratio between the drive motor rotation rate and the traction wheel rotation rate is kept constantly the same during positioning. The drive motor is not only used for moving but also for stopping.

Rock drilling rig and method for positioning the same

The invention relates to a rock drilling rig, a method for controlling the temperature of its drive equipment, and a liquid cooling system. The rock drilling rig includes combustion-engine-free drive equipment, which includes electric components for affecting transfer drive. The rock drilling rig is also provided with a liquid cooling system, to which one or more electric components affecting the transfer drive are connected to be cooled by the system. The cooling of the components is controlled by a control unit according to a strategy set therein. The cooling system may additionally be precooled before the transfer drive.

Rock drilling rig, method for controlling the temperature of its drive equipment, and liquid cooling system

The invention relates to a mining vehicle and method for its energy supply. The mining vehicle has a carriage, driving equipment for moving the carriage, and at least one mining work device. Further, the mining vehicle has at least one electric motor for operating a main function of the mining vehicle, and at least one electric motor for operating an auxiliary function of the mining vehicle. The mining vehicle further has a power-generating auxiliary unit. When necessary, the power-generating auxiliary unit supplies at least part of the power required by the electric motor operating the auxiliary function.

Mining vehicle and method for its energy supply

A rock drilling rig and to a method for transmission thereof is provided. The rock drilling rig includes a carriage that is movable by drive equipment in a mine. The rock drilling rig includes a hydraulic drilling system for which pressure energy is generated by a hydraulic pump. The rock drilling rig is electrically driven and includes an electric motor that is connected to drive both the drive equipment and the hydraulic drilling system. The mechanical drive transmission included in the drive equipment and the hydraulic pump of the hydraulic drilling system may be connected and disconnected independently of one another by means of clutches.

Rock drilling rig and method for transmission of rock drilling rig

The invention relates to a rock drilling rig and a method for downhill driving of a rock drilling rig. The rock drilling rig comprises electric drive equipment, the drive motor of which serves as a primary brake in long-term downhill driving. The drive motor thus converts kinetic energy into electric energy, with which an energy storage is charged. To consume surplus electric energy, a hydraulic system or a compressed air system is turned on. A hydraulic pump and a compressor () are driven by an electric motor.

Rock drilling rig and method for downhill drive

The invention relates to a mining vehicle and method for its energy supply. The mining vehicle has a rectifier, DC intermediate circuit, and inverter, through which an alternating current motor is supplied. At least one auxiliary energy source is connected to the DC intermediate circuit. A DC/DC converter is connected between the DC intermediate circuit and the auxiliary energy source for adapting the voltage level of the auxiliary energy source and for connecting the auxiliary energy source to supply energy to the DC intermediate circuit.

A method for using a mining vehicle, arrangement in a mine, rock drilling rig, and mining vehicle. Tasks according to a work cycle are performed at work sites with a mining work device in a mining vehicle. At the work site, the vehicle is connected to an external electrical network. An energy storage of the vehicle is charged during the work cycle defined by a excavation plan, when the vehicle is at a work site. After the work cycle is done, electricity obtained from the energy storage is used in a transfer drive.

Method for using mining vehicle, arrangement in mine, rock drilling rig, and mining vehicle

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&#x2014;provided with feed members for transferring the rods upward and downward in the magazine. The feed members comprise screw surfaces by which the rods are supported in the magazine. The required feeding movement is produced by rotating the feed members about their rotation axis. In addition, the rod magazine comprises transfer means that allow the rods to be transferred from the magazine to a drilling line or bolting line, i.e. to a center, and vice versa. The transfer means are provided with gripping means for gripping the rods.

Method and devices for handling rod-like pieces in drilling and bolting

The invention relates to an arrangement for employing a drill steel centralizer travelling on a feed beam of a rock drill machine. The drill steel centralizer has a pressure fluid-operated actuator for closing a transfer opening intended for a drill rod during drilling, whereby pressure fluid is fed into the actuator during drilling.

Arrangement for employing drill steel centralizer travelling on feed beam of rock drill machine

A telescopic feed beam for a rock drill includes a lower beam and an upper beam arranged to move with respect to each other in the longitudinal direction. The cross section of the lower beam is such that there is a groove-like open space at the bottom of the lower beam and a transfer cylinder between the lower beam and the upper beam is mounted in the groove.

Telescopic feed beam for rock drill

A method for casing drilling, a drilling unit and an adapter device. The adapter device to be used in extension drill equipment drilling comprises an inner piece which can be rotated by the rotation device of the rock drilling machine. Around the inner piece, there is an outer piece which can be moved in the axial direction with respect to the inner piece. By changing the axial position of the outer piece, it can be selected whether the rotation force is directed from the rotation device to the inner rod or to the outer tube used in casing drilling during threading.

Method for casing drilling, drilling unit and adapter device

A boom arrangement for a rock drilling apparatus includes at least one boom and an actuator, e.g., a passenger cage, arranged at a free end of the boom. The boom also includes at least two boom parts articulated pivotably with respect to each other. The first boom part is articulated by a first articulation pivotable substantially in a horizontal direction. The second boom part in turn is arranged at an end of the first boom part, and the second boom part can be turned both vertically and horizontally with respect to the first boom part.

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Tampere, Finland

Juha Piipponen