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6793024 |
Rock drilling rig
A rock drilling rig has a carrier ( 1 ) provided with a service platform ( 7 ) arranged on a service boom ( 6 ). The service boom has a number of relatively movable boom sections ( 33, 36 ). The...
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6752221 |
Self-supporting pneumatic hammer positioner with universal joint
A self-supporting pneumatic hammer positioner for effortless command and control by an operator of a pneumatic hammer. The positioner comprises a rigid elongated template having a handle at a first...
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6698529 |
Translating turret rock bolter
A rock bolter has a turret assembly having a positionable base. The base slidably and rotatably engages a cylindrical member on which a feed track support is affixed. A jack rotatably and slidably...
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6527063 |
Directional boring device
A directional boring device is provided for attachment to a carrier having a power source for providing a first power supply to the boring device for moving the device and a second power supply for...
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6481507 |
Doweling hole drilling machine
A doweling hole drilling machine includes a vehicle such as a tractor having a frame pivotally mounted to the side of the tractor. The frame is moveable around an axis parallel to the longitudinal...
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6305480 |
Post driving and earth boring machine
A machine for driving posts, drills, large spikes, and the like work pieces into the ground, pavements, or wall structures. The machine comprises an elongated tower, a carriage, a hammer, a...
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6269890 |
Tap hole drill
A taphole boring machine serving two tapholes includes a support structure, a mount and a suspension device of which the mount is secured on the supporting structure and the suspension device has a...
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6105684 |
Roof bolter or a roof bolt installation apparatus
The present invention relates to improvements in the operation and construction of roof bolters or roof bolt installation apparatus. The improvements comprise a roof bolter constructed so that the...
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6076615 |
Multi-linked working boom for working machine
The present invention is directed to a multi-linked working boom for a working machine which carries at the other end a hydraulically maneuverable and hydraulically driven working equipment, where...
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5937952 |
Feed shell positioning mechanism
An improved feed shell positioning mechanism for a rock drilling machine, having a boom, a feed shell support pivotably mounted with respect to the boom and supporting a feed shell having a feed...
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5927408 |
Head brake release with memory and method of controlling a drill head
A control is provided for a drill head that is mounted on a drill mast. Hydraulic motors raise and lower the drill head and a hydraulically releasable brake holds the drill head in position on the...
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5896936 |
Arrangement for controlling boom for rock drilling unit
An arrangement for limiting the swing angle of a boom for a rock drilling unit when the boom is being lifted and lowered. In the arrangement, a control member is coupled to the boom, turning...
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5896935 |
Arrangement in boom for rock drilling unit
An arrangement in a boom for a rock drilling unit, comprising a boom (1), pivotally connected to a frame (2) about a shaft (3), a lift cylinder (4) between the boom (1) and the frame (2), at the...
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5893421 |
Arrangement for mounting swing cylinders in boom for rock drilling unit
An arrangement for mounting swing cylinders in a boom for a rock drilling unit which includes a frame, a boom pivotally connected about vertical and horizontal shafts, relative to the frame, a lift...
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5884712 |
Arrangement for a telescope feeder of a rock-drilling machine
An arrangement is provided for a telescope feeder of a rock-drilling machine, having two telescopic portions, between which is connected an extension cylinder so that the rock-drilling machine...
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5836400 |
Three speed circuit for hydraulic tool
A hydraulic tool having a ram or other working element propelled by pressurized fluid. The tool has a lever which is squeezed to develop fluid force in a pump. The fluid circuitry automatically...
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5794716 |
Vibratory systems for driving elongate members into the earth in inaccessible areas
A system for allowing elongate members such as piles, caissons, and casings to be driven into the earth at inaccessible locations. The system comprises a structural assembly having a support...
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5746277 |
Drilling apparatus
Augering device is disclosed which is useful for drilling holes in the ground at various angles under relatively low overhead or ceiling conditions. The device is suitable for mounting on a wide...
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5630477 |
Downcrowdable telescopic augering apparatus
A downcrowdable telescopic augering apparatus including a vehicle having a boom which carries a cradle in which a kelly tube is slidably mounted and on which a kelly winch and a service winch are...
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5213169 |
Exploration-sampling drilling system
The drilling system of this invention provides a drill mast mounted on a turntable. The turntable may be mounted on any type of undercarriage or carrier. The drill mast can be positioned around the...
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5201816 |
Side angle drilling apparatus
An apparatus includes a vehicular mainframe having a vehicular longitudinal axis and a substructure mounted on the mainframe. The substructure has a substructure longitudinal axis and is tiltable...
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5016942 |
Anchor boring unit
An anchor boring unit includes a base plate attached to a loading apron of a section advance machine, with a square tube swivelling around a vertical axis and movable by a hydraulic cylinder...
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4915180 |
Post driver
A post driver has a combination of hydraulically operable orthogonal and angular mechanical carriages giving five degrees of motion of the driving hammer for the setting of posts in various soils...
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4858700 |
Articulated apparatus for positioning rock drills
Disclosed is an articulated apparatus for positioning a rock drill comprising a self-propelled vehicle having a chassis propelled by endless tracks, a carriage for carrying an engine for driving...
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4799556 |
Drilling boom
A drilling boom has an articulated arm 12 which carries a drill feed beam 28 on its outer end. Apart from the articulation 36, 38 provided by the joint at the outer end of the arm, the feed beam...
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4767256 |
Method of operating a boom
A method of operating a boom which comprises an elongate member mounted on a base for pivotal movement about a first axis transverse to the axis of the elongate member, first fluid operated power...
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4712624 |
Rock drill with tunnel profile control system
A rock drill having a tunnel profile control system comprising a boom assembly, a converting unit for converting the position of one of positioning points on an orthogonal coordinate system...
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4698570 |
Boom positioning apparatus for rock drill
A boom positioning apparatus for a rock drill, including a boom mounted with a drilling apparatus, an input device for determining, as set values expressed in a rectangular coordinate system,...
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4637475 |
In-the-hole drill
A compact, easily disassembled, minimum headroom drilling unit is disclosed. The drill, especially useful for newly developed vertical retreat mining methods, drills at compound angles from the...
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4627499 |
Mobile drilling machine
A heavy duty, mobile drilling machine is disclosed based on a track type vehicle having a rotatable turntable, an operator station and other vehicle machinery being arranged along opposite sides of...
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4606155 |
Angle drilling apparatus
Disclosed is an Angle Drilling Apparatus for mobile rotary drills and the like having a mast tower for operating and supporting the drill string. A transferable and adjustable lower pivot support...
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4586571 |
Method of and arrangement for positioning of a drilling apparatus
The present invention relates to a method and an apparatus for positioning a drilling apparatus with respect to a drilling plane formed by holes to be drilled in a rock in a tunnel. Light beams...
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4542794 |
Method and a means for aligning a rock drill
The alignment of the drill stem and bit of a rock drill rig is corrected when the force of drilling and the feeding power on the drilling machine of the rig has resulted in a change in the...
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4527640 |
Working platform for a drilling apparatus
A working platform for a drilling apparatus for stoping shafts, said drilling apparatus comprising a base (3) displaceable in the direction of the shaft (1) and a supporting arm (5) pivotably...
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4514796 |
Method and apparatus for controlling the position of a hydraulic boom
A method is set forth for controlling the orientation of an articulated boom of the type having a first portion and a second feed arm portion such that the first portion remains parallel to a...
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4448263 |
Drilling apparatus
A mineral mining installation comprises a mine roof support assembly and apparatus for drilling bores. The roof support assembly comprises a plurality of roof support units positioned side-by-side,...
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4410049 |
Directional valve means for positioning machine units
A servo system is presented for controlling the angular attitude of machine units pivotally mounted on an outlying boom frame. Said system is applicable to rock drilling machines, breakers, loading...
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4398850 |
Roof bolter and process
Roof bolter and process for resin bolting a mine roof. The roof bolter comprises combined means for drilling and resin inserting in one position, means for bolt inserting in a second position, and...
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4308923 |
Accu-press
Disclosed herein is a device for orienting a drilling auger disposed on and powered by a vehicle defined by a lower frame member carried by the vehicle, an upper frame member pivoted to the lower...
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4307785 |
Pile driving rig having angulating knuckle lead therefor
An Angulating Knuckle Lead installed within an offshore pile driving rig having both upper and lower hydraulically actuated supporting kickers, independently operable for driving pile on extreme...
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4300802 |
Apparatus for drifting openings in hard rock
An apparatus for drifting openings in hard rock incorporating a carrier capable for travelling along the floor of the opening. A means of breaking of the percussive type is mounted on the carrier...
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RE30769 |
Mounting arrangement for impact rock-breaker
An impact rock breaker includes detachable mounting means and latching means operative to mount the rock breaker on the stick of a backhoe or excavator adjacent the bucket such that the rock...
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4274494 |
Method and device for setting the direction and/or the inclination of an elongated rock drilling apparatus
An elongated rock drilling apparatus is swingable by positioning power means. Set values of inclination and direction of the rock drilling apparatus are set by prepositioning a first pendulum...
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4243107 |
Hydraulic hammer mounted on a movable boom
An improved arrangement for operating a hydraulic hammer at a distance from the hydraulic supply. The hydraulic hammer which can be used for breaking rocks, concrete, and the like is disposed at...
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4240511 |
Drilling machine centering arrangement
A centering arrangement for a drilling machine or the like mounted on a boom or jib on a truck or the like for drilling rock, for example, and in which, for centering the drilling machine, the...
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4232850 |
Drill boom arrangement
A hydraulic drill boom arrangement for drifting and tunnelling comprises a boom proper (10) that is universally pivotably carried by a support plate (13) and carries a feed beam (40) for a rock...
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4230189 |
Drilled hole end adjusting arrangement
A drilled hole end adjusting arrangement for a drilling machine or the like mounted on a boom structure in which the positions of the drilling machine are located such that ends of drilled holes...
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4225186 |
Horizontal mining machine and method of slot mining
Mining apparatus for removing near surface narrow seams of mineral deposits such as coal without removal of overburden is disclosed. The apparatus comprises a horizontal coal mining machine which...
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4214639 |
Suspended drilling system
A suspended drill system for drilling vertical holes in the ground at a distance from a supporting crane. A pivotable plate, attached to a crane boom point, has a first tube having a non-round...
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4201270 |
Roof bolter
An operator controlled roof bolter with a flexible shaft drill and a roof bolt inserter for drilling and inserting a roof bolt into an unsupported roof of a mine while the operator is positioned at...
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