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7431401 |
Slide shoe for mining winning machine
A slide shoe for a mining winning machine is disclosed. The slide shoe includes a slide shoe body attached to the mining winning machine, a sliding area located on the slide shoe body and including...
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7360844 |
Geosteering detectors for boring-type continuous miners
The invention provides, in one embodiment, a detector for a miner comprising a gamma sensing element and a light sensing element coupled to the gamma sensing element. According to the embodiment,...
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6296317 |
Vision-based motion sensor for mining machine control
A mining machine having a position sensing and control apparatus is claimed. The mining machine has a vehicle body having forward and rearward ends and movable along a mine floor. A cutter head is...
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6257671 |
Device for protecting selective cutting machines against overload
The invention relates to a device for protecting selective cutting machines against overload, in which the selective cutting machine has cutting tools, in particular cutting rollers, rotatably...
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6203111 |
Miner guidance using laser and image analysis
A mining machine comprising a vehicle body having forward and rearward ends, the vehicle body being movable along a mine floor, a cutter head mounted on the forward end of the vehicle body, and a...
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6062650 |
Continuous control system for a mining or tunnelling machine
A continuous control system for a mining or tunnelling machine having a boom (12) with a motor driven cutting head (14) at one of its ends and a rotatable turret (20) at the other end, the control...
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5938288 |
Automatic control system and method for a machine used for excavating drifts, tunnels, stopes, or caverns
An automatic control of the operation of a machine used for excavating drifts, tunnels, stopes, caverns or the like of a predetermined profile having a rotatable head (10) and cutting arms (14, 16)...
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5501548 |
Method for controlling the direction of a shield tunneling machine and an apparatus therefor
When a shield tunneling machine is deviated from the scheduled line while being propelled, the deviation of the shield tunneling machine from the scheduled line is detected and according to the...
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5310249 |
Method and apparatus for automatically controlling a mining machine
Mining apparatus is disclosed in which a cutting wheel supporting a plurality of roller-cutters rotates about a horizontal axis and is supported on a slewing boom for cutting a tunnel with a flat...
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5293944 |
Method of automatically controlling impact ripper
An impact ripper (2) mounted on the rear portion of a construction machine, such as a bulldozer (1), for digging a hard soil layer is automatically controlled to reduce the operator's fatigue, to...
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5186579 |
Apparatus for controlling direction of underground excavator
According to the present invention, there is disclosed an apparatus for controlling the direction of displacement of an underground excavator including a turnable jack to perform excavating...
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5161857 |
Teleoperated control system for underground room and pillar mining
A teleoperated mining system is provided for remotely controlling the various machines involved with thin seam mining. A thin seam continuous miner located at a mining face includes a camera...
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5158583 |
Installation for the remote cleaning by degradation of a surface in a hostile medium with waste recovery and treatment
In order to clean a surface (A) located in a hostile medium, use is made of a bush hammer (34) mounted on a remotely controlled vehicle (32). The waste produced by the bush hammer (34) is directly...
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5110187 |
Apparatus for the mining of mineral matter, especially coal
A mining apparatus of the type in which a mining machine excavates a mining face, especially a coal face in a subterranean mining application, and has a plurality of emitters of electromagnetic...
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4979575 |
Method of drilling a hole-in a rock
A method and an arrangement for drilling a hole in a rock (6), wherein a preliminary hole is drilled first, whereafter the drilling is interrupted. Joints between a drill boom (2) and a feeding...
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4848485 |
Method of and an arrangement for controlling rock drilling
A method of and an arrangement for controlling rock drilling when a feeding beam (3) is displaced so that the forward end thereof makes contact with a rock surface to be drilled. The arrangement...
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4770469 |
Process for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine as well as apparatus for performing this process
A method and apparatus for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine of the kind including a first hydraulic drive for lifting and lowering...
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4760513 |
Resultant velocity control for members capable of being driven in two component directions simultaneously
A method of and apparatus for controlling the resultant velocity of a member is provided, the resultant velocity being derived by driving the member in two component directions, simultaneously....
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4721340 |
Process for controlling the movement of an universally swivellable cutting arm as well as control device for performing this process
A process for controlling the movement of a universally swivellable cutting arm of a partial cut, cutting machine, comprising a first hydraulic drive for lifting and lowering the cutting arm, and a...
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4688937 |
Methods of, and systems, for monitoring and/or controlling mobile cutting means
A system serves to establish the spatial positions of a cutter head of a tunnel driving machine with precision and monitors and/or controls this position automatically. The system uses a...
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4591209 |
Protecting device for partial-cut cutting machines
For protecting partial-cut cutting machines from overload, a vibration sensor 7 is provided on the swivellable cutting arm 2 carrying rotatably supported cutting heads 6. The signals of the...
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4556257 |
Horizontal edna miner
A mining machine is utilized for making original generally horizontal bores in coal steams, and for enlarging preexisting bores. A single cutting head is mounted for rotation about a first...
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4506745 |
Method and means for drilling in rocks
A method of drilling long and straight holes in rocks is based on the use of a drill rig which may be aligned by means of a laser beam and which comprises a hollow drill stem with a pressure device...
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4465155 |
Automated operatorless vehicles
A vehicle guidance control system is described for an operatorless vehicle comprising a sensor for determining the presence of defined points along a selected path that the vehicle is to travel, a...
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RE31622 |
Mining machine having rectangular thrust transmitting conveyor column
A mining machine comprises a laterally elongated cutting head including ms for cutting an earth formation, a laterally elongated thrust transmitting column connected to and extending rearwardly...
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4351564 |
Device for preventing collision between part of the cutting arm and part of the loading ramp for a cutting machine
The device for preventing a collision between a part of the cutting arm (1) and a part of the loading ramp (4) comprises transmitter means (11, 12) designed as hydraulic...
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4345839 |
Device for controlling the position of a drift advancing machine
In apparatus for controlling the position of a drift advancing machine having a longitudinal axis: two light beam sources or laser beam sources spaced longitudinally from the machine, the sources...
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4323280 |
Remote controlled high wall coal mining system
A high wall mining system including a continuous mining machine, a remote control station outwardly of the high wall from which extend electric cables wound on cable reels which extend to the...
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4322113 |
Excavating machines for excavating rock and minerals having first and second alternative modes of control
A excavating machine for excavating rock and minerals from a working face having a carriage with a boom support. A cutter carrying boom is moveably supported by the boom support, and a means is...
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4281876 |
Televised remote control system of a continuous mining machine
A method of recovering particulate material from a seam of such material within the earth bounded above and below by different material which comprises the steps of positioning in mining relation...
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4261617 |
Method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, and apparatus for carrying out the method
A method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, wherein the actual position of the cutting tool is ascertained in consideration of the...
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4192551 |
Remote control system for mining machines
An intrinsically safe system controls all miner hydraulic and electrical functions from a hand held miner remote control pendant. Pendant control devices provide on/off control signals to...
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3891039 |
Method and device for drilling to a predetermined surface
A method and a device for rock-drilling and/or earth boring of a number of drill-holes to a predetermined bottom surface are disclosed in which a reference surface defined by electro-magnetic...
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3778106 |
CONTROL MECHANISM FOR ROCK CUTTING EQUIPMENT
This invention relates to the control of the speed of traverse of a rock cutting machine utilizing an operating head in the form of a rotor carrying swinging hammers. The control is effected by...
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3560753 |
METHOD AND APPARATUS FOR DETERMINING THE DISPLACEMENT OF A CONSTRUCTION EQUIPMENT GUIDED ALONG A DESIRED COURSE BY A LASER BEAM
In a method for determining the displacement of a construction equipment, to be guided along a desired course by a laser beam, the laser beam is so deflected, depending upon the route to be...
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3554301 |
OPTICAL AUGER GUIDANCE SYSTEM
Signals indicative of the bending of an elongated rotating member are generated by a light sensitive detector mounted within the member and off-axis with respect to a circular light beam generator....
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3522670 |
APPARATUS FOR UNDERWATER MINING
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3520573 |
EXCAVATOR APPARATUS
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3437377 |
AUTOMATIC DEVICE FOR COUNTERBALANCING REACTION FORCES OF A BORE MINE MACHINE
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3435928 |
AUXILIARY DRIVE UNIT TO ALIGN AUGER DRIVE SOCKET WITH AUGER PIN IN MINING ASSEMBLY
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3397651 |
Means for steering an unattended vehicle along a trench
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3354660 |
Cable layer
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3333894 |
Mining machine having cutter arms oscillated in opposite directions and in phase
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3333895 |
Mining machine having synchronized oscillating cutter heads
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3323839 |
Cutting apparatus having speed and load controlled hydraulic drive
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3322465 |
Guidance systems for continuous mining machinery
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3302974 |
Ripper type mining machine having oppositely moving oscillating ripper heads
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3282627 |
Hydraulic tilt limiting control for continuous miner
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3235311 |
Vibratory cutter means for mining machines
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3232668 |
Continuous mining machine and control system therefor
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