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7931341 |
Narrow bench mining system
A launch vehicle (10) is provided for a continuous mining system including modular conveyor units (U) that are connected together to form a conveyor train. The launch vehicle (10) includes a main...
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7725232 |
Arrangement for monitoring the location of a mining vehicle in a mine
A method and a system for monitoring the location of a mining vehicle in a mine. The mine comprises a first and a second work area. At least one identifier (29) whose exact location is known is...
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7717522 |
Conveyor segment, driving means and method for high wall mining
The invention relates to a conveyor segment for use in a train of conveyor segments for high wall mining, comprising: conveyor means for transporting mined material from and to opposite adjacent...
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7207632 |
Shield system for coal mining
A mining system for remotely mining ores and minerals which protects against falling rock and allows evacuation of a miner and conveying system in the case of a cave in. A shield is advanced into a...
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7080888 |
Dual nozzle hydro-demolition system
A dual nozzle hydro-demolition system is mounted on a robot vehicle having a tower, with the robot vehicle and tower permitting the device to be positioned in any desired location on a vertical...
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6926368 |
Method and apparatus for remote self-propelled conveying in mineral deposits
A method and apparatus for the mining of material from a seam includes a mining apparatus and a self-propelled conveyor capable of advancing or retreating in the seam on its own power and an...
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6672673 |
Ore pass inspection system
The present invention discloses an apparatus and method for imaging and clearing an ore pass hang-up. The apparatus includes: a platform that is movable along generally a longitudinal direction of...
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6616244 |
Method and arrangement for determining position of unmanned mining vehicles
A method of determining the position of unmanned mining vehicles. According to the method, control marks are provided in the mine, for positioning mining vehicles in production use by means of a...
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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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6285925 |
Method and safety device for the remote-control of self-propelling working machines
A soil compacting machine has a receiver unit that can receive control signals from a transmitter unit to a receiver unit. The transmitter unit can be operated by a user and is separate from the...
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6122598 |
Measurement and display of load of excavating blasted ground
This invention relates to a measuring and display system for loads applied upon digging blasted earth, which can contribute to accurate blasting. An operating direction of a bucket of an excavator...
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6109699 |
Tow line equipped remote mining machine and method
A method and apparatus for advancing cables and hoses to a remotely operated mining machine and retrieval of the machine in case of accident, and for remote haulage of material in a self-propelled...
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5967616 |
Electrical control system for apparatus and method for continuous underground mining
Apparatus for controlling the operation of an underground mining system including a continuous miner, a roof bolting machine, a tramming conveyor and a control cab operatively connected to the...
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5871260 |
Mining ultra thin coal seams
A continuous mining machine is provided for mining ultra thin coal seams, e.g. seams having a thickness of about 24 inches or less. A chassis supported by crawler tracks has a substantially...
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5810447 |
Apparatus and method for continuous mining
Apparatus for controlling the operation of a mining system including a continuous miner, a tramming conveyor and a load-out vehicle operatively connected to the tramming conveyor. The apparatus...
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5782020 |
Method and equipment for simultaneous excavation and land refill with minimum operating labor
An excavator with a wireless controlled hopper-spreader allows a single operator to strip off topsoil and spread the stripped off soil more or less evenly after a mineable substance such as gravel...
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5709433 |
Apparatus for continuous mining
Apparatus for controlling the operation of a mining system including a continuous miner, a tramming conveyor and a load-out vehicle operatively connected to the tramming conveyor. The apparatus...
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5692807 |
Highwall mining apparatus
An apparatus for mining aggregate material from a partially exposed seam adjacent a bench on a surface mine and which extends from the bench at an elevation and angle relative to the bench, The...
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5299857 |
Removable hydraulic apparatus with electric control for multiple positioning hydraulic cylinders
An attachment apparatus which can be detachably mounted to a self-propelled vehicle, such as a skid-steer front end loader. The apparatus includes a frame which can be attached to the lift arms of...
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5295733 |
Fiber optic remote control system for a continuous miner and method of use
A mining machine is controlled by a fiber optic controlled remote control system that includes one or more fiber optic cables that extend from a remote control station through a hose supplying...
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5246274 |
Remote mining haulage system with self-advancing mobile tailpiece and method of operating same
A haulage system and related process are provided for intermediate continuous conveying of coal or other mined minerals from the discharge of a continuous mining device to a distant point...
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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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5110189 |
Redundant remote control system used on a continuous miner and method of using same
A redundant remote control system for use on a continuous miner having a radio remote control system for the remote control of a continuous miner. The radio remote control system having switches, a...
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5056655 |
Highwall miner with conveyor module
Conveyor belt supporting modules associated with an endless conveyor belt assembly for conveying mined material from a mine bore to the mouth of the bore allows for necessary length of conveyor...
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4980681 |
Direct view remote control method for workings machine and transmitter and receiver assembly for carrying out such method
A direct view remote control method, and a corresponding transmitter and receiver assembly, for rapid and reliable transmission of simultaneous orders to a works machine such as for mines and...
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4953915 |
Roof fall separating and removing apparatus and method for use in thin seam highwall mining
A thin seam highwall mining machine has a cutter head for mining coal from a seam while advancing forwardly into a mined hole, a power head anchored to a bench at the surface, and multisection...
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4952000 |
Method and apparatus for increasing the efficiency of highwall mining
A highwall mining machine having a power head located on a bench adjacent the highwall and a cutter head operable to cut a mined hole into a coal seam when thrust forward by the cutter head through...
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4934757 |
Control of mineral mining machines
A coal wining plough in a longwall working employs adjustable floor cutters mounted on curved carriers displaced in guideways on the body of the plough. Wedges abut on the upper ends of the...
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4898428 |
Power supply system for an underground mining machine
A power supply system for a drum-cutter mining machine utilized in longwall mining operations. Three-phase electrical power is supplied to a rectifier circuit positioned remote from the mining...
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4884847 |
Apparatus and method for mapping entry conditions in remote mining systems
The method and apparatus for mapping mine excavation or tunnel entry conditions by mounting an array of sensors on a vehicle some of which provide knowledge of the vehicle location in the entry and...
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4870697 |
Two-way communication system for winning machines in underground mining
A two-way communication system for transmitting command signals to and receiving operating data from a winning machine utilized in underground mining operations. The system includes a send-receive...
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4819273 |
Mining machine control system
A mining machine and control system therefor for use in a possibly explosive environment, wherein the control system includes electronics within a flameproof enclosure communicating with controls...
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4753484 |
Method for remote control of a coal shearer
A method for remotely controlling the mechanical functions of a coal cutting machine's electrohydraulic system which utilizes a medium frequency remote control communication system and a coal-rock...
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4708395 |
Remotely sensing of excavation cavity during mining
Method and apparatus for hydraulically mining a location using a hydraulic monitor which has horizontal and vertical positionable control apparatus. The hydraulic monitor is connected to a source...
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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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4407545 |
Mine system
A mine system comprises at least one mining machine 4 adapted to haul itself, in a reciprocable manner, along a mineral face 3, and a control box 17 housing means to control the various electrical...
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4403664 |
Earth boring machine and method
An earth boring machine and method are disclosed. An above-ground reference line, such as a laser beam, is established for a hole to be bored. The direction of the reference line is detected. The...
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4368924 |
Driving shield
A driving shield having a shield shell and a transverse wall for defining a work chamber, and a removal arm pivotally journalled on the transverse wall. The removal arm has a removal tool for...
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4367900 |
Mineral mining installation with electronic control
A shearer-type mineral winning machine has three-phase a.c. motors on its main body for driving cutting drums and for propelling the machine along a mineral face. The frequency of the a.c. power...
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4363519 |
Continuous mining machine
A mining machine for performing a continuous mining operation in hard rock. The operating portions of the machine are mounted on substantial deck sections hingedly connected to each other to...
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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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4288125 |
Mining apparatus having an improved coupling assembly
A mining apparatus for excavating material from an earth formation having a miner which is removably connectable to a carrier by a coupling assembly, the mining apparatus including other carriers...
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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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4262964 |
System for detecting interfaces between mineral seams and the surrounding earth formations
The present invention contemplates a system for detecting an interface between a mineral seam and the surrounding earth formation utilizing a radiation source and a radiation receiver mounted on a...
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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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4172615 |
Roof bolting apparatus
The novel apparatus comprises a first, power unit module of limited mobility and a second, bolter unit which is flexibly and disengageably coupled to the first unit by means of an umbilical line....
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4167290 |
Shield type hydraulic tunnel boring machine
A shield type hydraulic tunnel boring machine having means for detecting an occurrence of excess excavation due to accidental collapse in tunnel face ground apt to occur during tunnel boring works...
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4090736 |
Detachable cab construction for mining machines
A mining machine is provided which incorporates a detachable cab construction. The mining machine includes a clamping mechanism including a pair of a clamping hook assemblies for releasably...
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4053182 |
Mining method and apparatus
A shaft is formed from ground level downwardly to a subterranean seam of coal or other solids following preliminary survey procedures to locate the seam and establish its dimensions. A passage is...
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4023862 |
Hydraulic mining and transportation of coal using hot oil under pressure
The method of mining coal entails the use of crude petroleum under high pressure together with elevated temperatures in hydraulic fashion to produce a hybrid oil-coal fuel. A powerful stream of oil...
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