Entries |
Document | Title | Date |
20090026829 | Rotary cutting pick - A cutting pick comprises an elongate shank and a cutting tip mounted to one end of the shank. The cutting tip has a leading end, a trailing end and a mounting portion for mounting to the shank. The tip has a shape such that it diverges outwardly in a direction from the leading end to the trailing end to a portion of maximum diameter. An annular sleeve is attached about the shank adjacent to and in non-contacting relationship with the trailing end of the cutting tip. The maximum diameter of the cutting tip is of greater diameter than the diameter of the inner diameter of the annular sleeve so that the portion of maximum diameter overlies the sleeve radially. | 01-29-2009 |
20090033140 | Use Of Foam To Increase Resistance To Gas Flow In Mine Applications And Apparatus For Delivering Same - A process for increasing resistance to the flow of gas in underground mining operations includes providing a foam composition at desired selected locations to create a barrier to the flow of gas. | 02-05-2009 |
20090127918 | VIBRATORY MILLING MACHINE HAVING LINEAR RECIPROCATING MOTION - A continuous mining method includes operating a vibratory milling machine having a milling head, a base, and a milling tool to oscillate the milling head in a substantially linear reciprocating fashion relative to the base to move the milling tool along a milling axis; and advancing the vibratory milling machine in a work piece in a cutting direction and wherein milling axis is oriented at an attack angle relative to the cutting direction, the attack angle being between about 0 and about 40 degrees. | 05-21-2009 |
20090200855 | Manually Rotatable Tool - In one aspect of the present invention, a tool assembly comprises a rotary portion and a stationary portion. The rotary portion comprises a bolster bonded to a diamond symmetric, substantially conically shaped tip. The stationary portion comprises a block mounted to a driving mechanism. A compressible element is disposed intermediate and in mechanical contact with both the rotary and stationary portions. The compressible element is compressed sufficiently to restrict free rotation during a degradation operation. | 08-13-2009 |
20090218876 | METHOD OF ACHIEVING HYDRAULIC CONTROL FOR IN-SITU MINING THROUGH TEMPERATURE-CONTROLLED MOBILITY RATIO ALTERATIONS - The present invention relates to a method of fluid containment and control for in-situ mining, particularly to a method of uranium mining. | 09-03-2009 |
20090230755 | Method and Device for Mining Subsurface Deposits - In a method for mining underground deposits using a mining machine, wherein an upper and a lower drift are driven, which extend on both sides of the deposit to be mined, and a preliminary bore is sunk between the two drifts, a supporting device is fixed at the mouth of the preliminary bore in the upper drift. A mining machine supported on the supporting device is positioned at the mouth of the preliminary bore so as to be oriented in the longitudinal direction of the preliminary bore, and the mining machine is advanced from the upper drift to the lower drift corresponding to the course of the preliminary bore. | 09-17-2009 |
20090236898 | Ice Grooving Device and Method - A groove is formed in a body of ice using a milling cutter to form lines of weakness for breaking up the body of ice. The shaft of the milling cutter is arranged to be supported in an upright orientation such that the shaft extends through a surface of the body of ice into the body of ice. Rotating the shaft as the milling cutter is displaced along the surface forms a groove which can follow a variable path to follow natural obstacles when cutting across a body of ice on a natural body of water for example. The ice milling cutter is compact and therefore safer to use on sheets of ice as compared to heavy equipment conventionally used for breaking up ice. | 09-24-2009 |
20090284069 | Pocket Protecting Retainable Cutter Bit - Pocket protecting retainable cutter bits used on various mining, excavating, and foundation drilling tools and equipment are disclosed. The invention includes a combination of one or more free spinning wear rings axially mounted in recessed portions of the cutter bit shank and a groove and snap ring retainer. The wear rings are tapered on at least one end to assist in installation and designed to compress as the cutter bits are installed into cutter bit pockets. These wear rings are designed to protect the inside surface of the pocket by acting as a barrier between the spinning cutter bit and the stationary inside surface of the pocket. The cutter bit shank is longer than the cutter bit pocket and when installed passes through the pocket and extends past the axial length of the pocket. A flange is included with the cutter bit to protect the outer surface of the pocket. | 11-19-2009 |
20090289492 | Static Crushing Method, Aid for Static Crushing Used for the Crushing Method, and Filling Tool - A static crushing method capable of extremely safely and efficiently performing crushing operation by efficiently crushing the surface of an object to be crushed, an aid for static crushing used for the crushing method, and a filling tool. The static crushing method comprises the steps of forming a drilled hole ( | 11-26-2009 |
20090295217 | Method and apparatus for the removal of floor coverings - A method and the associated apparatus for the removal of floor coverings are presented. The removal of floor coverings is achieved in that up to 24 grooves ( | 12-03-2009 |
20090322142 | ROCK SAMPLING APPARATUS - The present invention uses an Oscillating Disc Cutter (ODC) in a controlled manner to cut rock for assay purposes. The ODC ( | 12-31-2009 |
20100001574 | METHOD AND APPARATUS FOR THE MILLING CUTTING OF MATERIALS - An apparatus for the milling and/or drilling cutting of materials, in particular for the removal of rock, minerals or coal, with a tool drum which is mounted on a drum carrier rotatably about a drum axis, in which a plurality of tool shafts, which carry cutting tools at their ends projecting from the tool drum, are rotatable drivable mounted, at least two of the tool shafts being drivable by a common gear drive which has power take-off gearwheels arranged fixedly in terms of rotation on the tool shafts, and a common drive element which cooperates with the power take-off gearwheels. The drive element and the tool drum being rotatable in relation to one another and the shaft axes of the tool shafts standing transversely to the drum axis. | 01-07-2010 |
20100109418 | Mining and Demolition tool - Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining and demolition bit tool includes a mining tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There is at least one flute positioned along the tapered surface, where the flute is helical in shape. The stem extending from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion. | 05-06-2010 |
20100109419 | Mining and demolition tool - Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion. | 05-06-2010 |
20100109420 | MILLING HEAD AND METHOD FOR MACHINING PILE HEADS - The milling head ( | 05-06-2010 |
20100109421 | WATER COOLING SYSTEM FOR GRINDER BLADES - A pavement diamond grinder used for grinding and/or grooving pavement surfaces as the grinder carriage with a rotating arbor supporting radio blades. A cooling and dust control system delivers water to the arbor. The system includes a spray bar with nozzles that atomizes the water prior to engagement with the blades. The system utilizes a wiper debris removal device to clean the blades. In addition, a device that is utilized to effect turbulence adjacent to the blades and improve contact of the atomized water with the blades. | 05-06-2010 |
20100259091 | METHOD FOR CONTROLLING A CUTTING EXTRACTION MACHINE - The invention relates to a method for controlling a cutting extraction machine, which can be moved along a working front in longwall mining, in which method the heat emission of the working face ( | 10-14-2010 |
20110062766 | DRIVE FOR A CUTTING OR GRINDING MACHINE - The present invention provides a drive for a grinding or cutting machine. The drive comprises a body having a drive coupling for receiving at least one drive shaft in a manner so that the or each drive shaft is drivable by the drive. The drive also comprises a mount for mounting the body to a portion of the machine such as to a linkage arm of an earth grinding or cutting vehicle. The drive coupling is arranged to inter-fit with a portion of the or each drive shaft. | 03-17-2011 |
20110062767 | CLOSE PROXIMITY GRINDER - A close proximity pavement grinder is utilized for grinding close to a raised structure such as a lower surface of curbs close to the curb wall. The grinding apparatus utilizes a wide grinding head with grinding blades mounted along the length of an arbor to grind the lower surface of the curb in a single pass. The grinder includes a narrow bearing and support at the outer end of the arbor and is driven at the inner end so that the grinding may be conducted within close proximity of the curb wall. The grinder has a pivoting grinding head that can be locked at various angles relative to the grinder to match the relative angles between the pavement and the lower surface of the curb. | 03-17-2011 |
20110062768 | Mining Machine and Method of Mining - The invention provides a mining machine and a method of mining. The mining machine includes a body, an arm mounted on the body for angular displacement relative to the body, a mining head mounted on an end region of the arm for rotation relative to the end region of the arm, drive means for driving the mining head to rotate relative to the end region of the arm while the mining head is in abutment with a mining face, and drive means for driving the arm to displace angularly relative to the body, such that, in use, the arm can be driven to displace angularly relative to the body to sweep the mining head across a mining face while the mining head is driven to rotate and in abutment with the mining face, thereby to mine the mining face. | 03-17-2011 |
20110095594 | Construction Machine, In Particular Road Milling Machine, Recycler Or Stabilizer, As Well As Drive Train For Construction Machines Of This Type - A construction machine, in particular road milling machine, recycler or stabilizer, with a machine frame ( | 04-28-2011 |
20110215634 | Auxiliary Drive - A construction machine for the treatment of ground surfaces includes a machine frame, a drive motor, a work drum supported from the machine frame and including exchangeable tools fastened to the work drum, a belt drive and an auxiliary drive. The belt drive includes a motor-side pulley connected to the drive motor, a drum-side pulley connected to the work drum, and at least one drive belt connecting the motor-side pulley to the drum-side pulley. The auxiliary drive may be permanently coupled to the belt drive, or the auxiliary drive may include an adjustment mechanism for moving the auxiliary drive between a coupled and an uncoupled position. | 09-08-2011 |
20110227393 | Self-Propelled Civil Engineering Machine And In Particular A Road-Milling Machine, Road Recycler Or Road Stabilizer - The invention relates to a self-propelled civil engineering machine, in particular a road-milling machine, a road recycler, or a road stabilizer, having a frame carried by a set of running gear, a working unit for performing work required for the civil engineering operation, and in particular a working drum, and a drive unit carried by the frame of the machine, to drive the working drum. A power transmitter is used to transmit the driving power from the drive unit to the working unit. The drive unit of the self-propelled civil engineering machine has a first and a second drive engine, the power transmitter being so designed that the driving powers coming from the first and the second drive engines can be transmitted to the working unit together. With the design of drive according to the invention, a particularly space-saving construction is obtained for the drive and this allows the power of the drive unit to be increased without having to exceed the present width for transport of the self-propelled civil engineering machine. | 09-22-2011 |
20110227394 | Method, Apparatus And Computer Program For Scheduling The Extraction Of A Resource And For Determining The Net Present Value Of An Extraction Schedule - The scheduling of extraction of a resource within a mine is disclosed which comprises obtaining drill hole grade data relating to the resource and creating a plurality of different block models, with each block in each model having a resource grade and each of the block models honouring the drill hole grade data. An extraction schedule is determined based on a cut-off grade policy to increase expected net present value of the mine. The cut-off grade policy can be a variable cut-off grade and the scheduling using the variable cut-off grade is converted from a non-linear representation to a linear representation and a mixed integer programming formulation is used for simultaneous optimisation of the extraction schedule and the cut-off grade. | 09-22-2011 |
20110266859 | MINING AND DEMOLITION TOOL - Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion. | 11-03-2011 |
20120001474 | METHOD OF MINING ORE - A method of open cut mining an ore is disclosed. The method comprises carrying out mining operations in an area of an open cut mine with manned resources and unmanned resources and providing separate access for these resources to the mine area at selected locations. Alternatively, or in addition, the method comprises carrying out mining operations in the mine area with manned resources and unmanned resources operating in selected, separate unmanned and manned zones, respectively within the mine area. | 01-05-2012 |
20120019044 | Holder Block for Both Radial and Conical Tool Picks - A holder block and pick assembly including a pick, a washer, and a block body. The pick includes a shoulder and a shank extending rearwardly from the shoulder and having a diameter smaller than the diameter of the shoulder. The washer has a central opening adapted to fit about the shank adjacent to the shoulder and a substantially flat edge disposed substantially perpendicular to a radius of the central opening. The block body includes a bore for receiving the shank, a base surface at a lower end of the body for mounting the body to a rotatable element of a rotary cutting machine, and a stop extending frontwardly from the front face of the body and having a surface located substantially perpendicularly to a radius of the bore such that when the pick shank is inserted into the bore with the washer disposed about the shank adjacent to the shoulder, the flat edge of the washer engages the surface of the stop to substantially prevent the washer from rotating with respect to the block. | 01-26-2012 |
20120038203 | Pick Assembly with Integrated Piston - In one aspect of the present invention a pick assembly comprises a rotatable drum comprising at least one block disposed on a circumferential surface of the drum. The at least one block comprises a cavity comprising a cylinder. A pick comprises a working end and an opposing base end wherein the base end is disposed within the cavity and comprises a piston that is slidably retained within the cylinder. | 02-16-2012 |
20120139325 | SYSTEM AND METHOD FOR TERRAIN ANALYSIS - Described herein is a computerised method for identifying and classifying edges in a dataset representative of an open-pit mine terrain. The method includes the step of identifying one or more surfaces of the terrain having common topological attributes ( | 06-07-2012 |
20120146388 | Construction Machine, In Particular Road Milling Machine, Miner, Recycler or Stabilizer - The construction machine according to the invention is distinguished by the fact that an air-processing apparatus ( | 06-14-2012 |
20120187743 | METHOD OF CONTROLLING A MINER TO CAUSE WOBBLE IN THE CUTTING HEADS - Methods, systems, and computer-readable media containing instructions for controlling a miner. One system includes a cutter head, a left tram system, a right tram system, and a cutter head controller. The cutter head includes a plurality of bits and a plurality of sections defining at least one recess. The left and right tram systems are configured to move the miner, and the cutter head controller is configured to vary a current speed of at least one of the left tram system and the right tram system to cause the cutter head to alternate back and forth to bring the plurality of bits into engagement with material accumulating within the least one recess. | 07-26-2012 |
20120205963 | METHOD OF CHARACTERISING A RESOURCE - The present disclosure provides a method of characterising a resource in a block located in an area. The method comprises the step of providing information concerning a property of the resource for a plurality of sample positions in, at or in the environment of the block. The information is obtained from analyses of samples from the sample positions. The method further comprises modelling a change in the property along a distance at or within the block using the provided information. The method also comprises calculating parameters associated with the modelled change using Bayes' theorem and calculating a property characteristic of the resource for the block using the calculated parameters. | 08-16-2012 |
20120212033 | Road Grinding Machine - A ridge in a lane of a roadway is ground away by providing a transverse beam carried on the support arms of a transport vehicle across a front of the vehicle, locating the vehicle longitudinally of the lane with the beam extending across the roadway and with the beam located by the vehicle in fixed position parallel to and above the ridge, moving a grinding assembly carried on the beam along the beam for grinding the ridge. The beam carries a gauge for a depth of grinding. The grinding assembly includes a toothed grinder rotatable about an axis transverse to the beam with a width transverse to the beam which is approximately equal to the width of the ridge. | 08-23-2012 |
20120256470 | Drum Housing For A Working Drum Of A Construction Machine Or Mining Machine, Construction Machine Or Mining Machine, As Well As Method For Monitoring The Condition Of A Working Drum Of A Construction Machine Or Mining Machine - In a drum housing for a working drum of a construction machine or mining machine, said working drum being provided with tools and rotating about a drum axis, with a housing shell which at least partially encloses the circumference of the working drum, and with at least one inspection opening for a monitoring device arranged in the housing shell, wherein said monitoring device inspects the condition of the working drum or the tools thereof, it is provided for the following features to be achieved: a closing mechanism is arranged on the outside of the housing shell, said closing mechanism enabling closure of the at least one inspection opening. | 10-11-2012 |
20120313422 | METHOD AND DEVICE FOR WORKING ROCK - A method and rig for driving tunnels, galleries, shafts or the like. The rig has a movable base unit that over a support unit supports a carrying unit which in turn carries a cutting head having outwardly directed cutting elements. The method includes rotating the cutting head around a general axis of rotation and applying the cutting head against a rock surface to be worked. The carrying unit is swung into a first chosen mutual position in respect of the support unit. The support unit is rotated into a second chosen mutual position with respect to the base unit around an axis that is essentially longitudinal with respect to the base unit. An angle of operation of the cutting head is controllable. | 12-13-2012 |
20130033087 | AUTOMATED CUTTING OPERATION OF A MINING MACHINE - Methods and systems for automatically operating a continuous mining machine. One method includes accessing at least one coordinate of a cutting face stored in a computer-readable medium, automatically operating at least one actuator to position a platform a predetermined starting distance from the at least one coordinate, the platform supporting a cutterhead, and automatically operating the at least one actuator to advance the platform toward the cutting face and beyond the at least one coordinate by a predetermined depth-of-cut to perform a cut of the cutting face with the cutterhead. | 02-07-2013 |
20130033088 | AUTOMATED PRE-TRAMMING OPERATION OF A MINING MACHINE - Methods and systems for automatically operating a continuous mining machine. One method includes accessing at least one coordinate of a cutting face stored in a computer-readable medium, automatically operating a first actuator to position a platform a predetermined clearance distance from the at least one coordinate, the platform supporting a cutterhead, and automatically operating a second actuator to position an arm at a tramming position after positioning the platform the predetermined clearance distance from the at least one coordinate, the arm coupled to the platform and including the cutterhead. | 02-07-2013 |
20130076100 | TUNNEL EXCAVATION APPARATUS AND TUNNEL EXCAVATION METHOD - Disclosed is a tunnel excavating apparatus for excavating tunnels in earth. This tunnel excavating apparatus comprises shell bodies, an excavating mechanism disposed on front of the excavating portion shell body, and a propelling mechanism disposed within the shell body. The shell bodies include an excavating portion shell body, a front shell body, and a rear shell body disposed in order from the leading end side in the advancing direction of excavation. The propelling mechanism comprises a projection mechanism and an extension mechanism. The projection mechanism includes front circumferential jacks in the front shell body and rear circumferential jacks in the rear shell body, both of which are capable of extension and contraction in the outer circumferential direction. The extension mechanism includes front axial jacks interposed between the excavating portion shell body and the front shell body, and rear axial jacks interposed between the front shell body and the rear shell body, both of which are capable of extension and contraction in the direction of advancing excavation. | 03-28-2013 |
20130082508 | Side Plate Arrangement For A Milling Device, Use Of A Side Plate Arrangement And Milling Device With A Side Plate Arrangement - The present invention relates to a side plate arrangement for a milling device, comprising a milling roller box arranged on a frame of the milling device, having a side plate whose height can be adjusted and a side plate support having a swivel bearing with a swivel axis around which the side plate can swivel against the frame in a swivel area. The present invention further relates to the use of a swivel guide and a milling machine with such a side plate arrangement. One element of the present invention is a guide curve running concentrically to the swivel axis, with the help of which the swivel movement of the side plate around the swivel axis is carried out. | 04-04-2013 |
20130093236 | Demountable Pin and Collet Assembly and Method to Securely Fasten a Ranging Arm to a Longwall Shearer Using Such Assembly - A pin-and-collet assembly, a longwall shearer comprising a ranging arm attached to a lifting bracket with such assembly, a method for the secure fastening of one piece to another, such as securely fastening the ranging arm to the lifting bracket of a longwall shearer using such assembly as a bushing, and a method for longwall mining of ore, such as trona, using such longwall shearer. This assembly is easy to install, does not have to be tightened during longwall operation of an ore panel, and is also demountable when it is time to stop the longwall mining operation and time to remove/replace the ranging arm for maintenance and/or when the end of the ore panel is reached. | 04-18-2013 |
20130154339 | Construction Machine Or Agricultural Machine Having A Rotating Work Device And Method For Driving The Rotating Work Device - A self-propelled or stationary construction machine or agricultural machine is provided having a rotatable work device, in particular, a work device for processing soil surfaces or for chopping material. The machine has a drive device for the work device, the drive device having a first drive source and a switchable coupling unit between the first drive source and the work device for engaging the work device with the first drive source. The drive device is equipped with an additional drive unit, the machine being configured for controlling the drive device to accelerate the work device by means of the additional drive unit to an operating speed which would result during operation of the work device by means of the first drive source. In addition, an associated method for driving a work device of a construction or agricultural machine is disclosed. | 06-20-2013 |
20130257136 | Automotive Milling Machine, Use Of A Lifting Column Of A Milling Machine, As Well As Method For Increasing The Operating Efficiency Of A Milling Machine - An automotive milling machine, for the treatment of road surfaces or ground surfaces includes a chassis comprising front and rear suspension axles with a total of no less than three suspension units with a machine frame supported by the chassis, with lifting columns between the suspension units and the machine frame at no less than two suspension units of a suspension axle, said suspension units being transversely offset from one another in the direction of travel, and with a working drum. The working drum is adjustable to a position for driving in travel mode with the working drum raised and, in the adjusted position of the working drum at a distance from the road surface or ground surface, the lifting columns are suitable for coupling to a spring device. | 10-03-2013 |
20130300181 | DEMOLITION HAMMER ARRANGEMENT FOR A REMOTE-CONTROLLED WORKING MACHINE EQUIPPED WITH A MANOEUVRABLE ARM - The invention concerns a demolition arrangement for a remote-controlled working machine ( | 11-14-2013 |
20140028077 | TRACK DRIVEN SLAB SAW - A slab saw including a frame, an engine supported by the frame, an arbor, and first and second tracks disposed along opposing sides of the frame. The arbor may be configured to be rotated by the engine. The first track and the second track may be configured to propel the frame. A drive assembly may be configured to independently drive the first track with respect to the second track to propel the slab saw. A control assembly may be configured to control the drive assembly as to a speed and direction of the slab saw. | 01-30-2014 |
20140054950 | Road Milling Machine For The Treatment Of Road Pavements, As Well As Method For Pivoting A Travelling Drive Unit Of A Road Milling Machine - A road milling machine includes a rear wheel or track mounted on a pivot arm such that the wheel or track is movable between a first outer end position projecting laterally relative to the machine frame, and a second inner end position which permits milling close to an edge. A travel drive of the rear wheel or track provides a driving force to move the wheel or track between the end positions. | 02-27-2014 |
20140070598 | Drum Housing For A Working Drum Of A Construction Machine Or Mining Machine, Construction Machine Or Mining Machine, As Well As Method For Monitoring The Condition Of A Working Drum Of A Construction Machine Or Mining Machine - In a drum housing for a working drum of a construction machine or mining machine for working off milled material movable in a working direction, said working drum being provided with tools and rotating about a drum axis, with a housing shell that at least partially encloses the circumference of the working drum, and with at least one monitoring device arranged radially outside of the housing shell, said monitoring device inspecting the condition of the working drum or of the tools thereof, it is provided for the following features to be achieved: at least one inspection opening for each monitoring device is arranged in the housing shell, and a partial flow of the milled material passes through the at least one inspection opening during the milling operation and guiding devices conduct the partial flow, in radial direction behind the housing shell, in front of or behind the working drum as seen in the working direction. | 03-13-2014 |
20140077579 | Automotive Construction Machine - In an automotive construction machine, with a machine frame ( | 03-20-2014 |
20140091612 | MOBILE MINING MACHINE AND METHOD FOR DRIVING TUNNELS, ROADWAYS OR SHAFTS, IN PARTICULAR IN HARD ROCK - A mobile mining machine includes a movable machine base frame having a boom, a swinging device for swinging the boom, and a tilting device for tilting the boom. At least one tool drum is coupled to the boom for rotation about a drum axis and rotatable tool carriers are arranged on a circumference of the tool drum. The boom has a supporting arm, on which the tool drum is mounted, and a separate swinging base, which is swingable about a swing axis in relation to the machine base frame by the swinging device. The supporting arm and the swinging base are connected to one another by a system of guide bars, by way of which a setting angle of the drum axis in relation to the swing axis is adjustable. | 04-03-2014 |
20140117739 | Mining Method for Gassy and Low Permeability Coal Seams - A method of degassing a coal seam by directionally drilling a borehole in a rock formation that is adjacent the coal seam, or between two different coal seams. The borehole is then pressurised to fracture the adjacent coal seam(s) to enhance the permeability thereof and allow fluids to flow from the coal seam to the borehole and be extracted from the coal seam. | 05-01-2014 |
20140232169 | Auxiliary Drivetrain For A Cold Planer - A cold planer is disclosed. The cold planer may have a frame, a drum rotatably mounted to the frame, and a gear box connected to the drum. The cold planer may also have a drive pulley connected to the gear box, a primary motor, and a drive belt connecting the primary motor to the drive pulley. The cold planer may further have a service pulley connected to the gear box, a service motor, and a service belt that connects the service motor to the service pulley. The cold planer may additionally have the gear box being configured to transfer motion from the drive pulley and the service pulley to the drum. | 08-21-2014 |
20140265521 | HIGHWALL MINING EQUIPMENT RETRIEVAL AND EXTRACTION APPARATUS AND METHOD - A highwall mining equipment extraction and retrieval apparatus and method is disclosed. It includes remotely operable hydraulic cylinders fixed to the mining head and stabilizing arms which brace the mining platform against the face of a mine. Wire ropes extend from hydraulic cylinders, through channels in the pushbeams, through lockable blocks fixed to the mining platform, and onto storage spools. The hydraulic cylinders operate from an extended to a retracted position. When a mine collapse occurs, an operator can remotely actuate the lockable blocks and the hydraulic cylinders, thereby locking the wire rope to the platform and pulling the mining head and pushbeams towards the platform. If the obstruction remains, the locking blocks can be unlocked, the hydraulic cylinders extended from the retracted position, the excess wire rope pulled from the mine, and the process can then be repeated until the equipment is free from the obstruction. | 09-18-2014 |
20140333115 | Road Milling Machine For Working Road Or Ground Surfaces, As Well As Method For Steering A Road Milling Machine - A road milling machine with a machine frame supported by a chassis with one front axle and one rear axle with wheels or crawler tracks, with a milling drum mounted at the machine frame to rotate between the rear wheels, where said milling drum ends nearly flush with a zero-clearance side, it is provided that the wheels or crawler tracks of the front axle as seen in the direction of travel are arranged offset from one another in such a fashion that one of the front wheels or tracks is arranged in front of the other front wheel or crawler track as seen in the direction of travel. | 11-13-2014 |
20140333116 | Auxiliary Drive - A construction machine for the treatment of ground surfaces includes a machine frame, a drive motor, a work drum supported from the machine frame and including exchangeable tools fastened to the work drum, a belt drive and an auxiliary drive. The belt drive includes a motor-side pulley connected to the drive motor, a drum-side pulley connected to the work drum, and at least one drive belt connecting the motor-side pulley to the drum-side pulley. The auxiliary drive may be permanently coupled to the belt drive, or the auxiliary drive may include an adjustment mechanism for moving the auxiliary drive between a coupled and an uncoupled position. | 11-13-2014 |
20140339879 | ROAD-REMOVAL SYSTEM EMPLOYING POLYCRYSTALLINE DIAMOND COMPACTS - Embodiments disclosed herein are directed to a system for removing road material. In an embodiment, the system may include a milling drum and at least one pick mounted on the milling drum. The pick may include polycrystalline diamond at least partially forming one or more working surfaces of the pick. | 11-20-2014 |
20140346840 | Tool for breaking hammer, breaking hammer, and use thereof - The invention relates to a tool for a breaking hammer, a breaking hammer, and the use of a breaking hammer. The breaking hammer includes a percussion device, the percussion piston of which providing impacts to the tool for breaking rock. An impact surface of the tool has a curved form surface that has a radius of curvature and a center axis on the longitudinal axis of the tool. The direction of the centre axis is transverse to the plane through the longitudinal axis of the boom of a work machine. | 11-27-2014 |
20150035341 | AUXILIARY DRIVETRAIN FOR A COLD PLANER - A cold planer is disclosed. The cold planer may have a frame, a drum rotatably mounted to the frame, and a gear box connected to the drum. The cold planer may also have a drive pulley connected to the gear box, a primary motor, and a drive belt connecting the primary motor to the drive pulley. The cold planer may further have a service pulley connected to the gear box, a service motor, and a service belt that connects the service motor to the service pulley. The cold planer may additionally have the gear box being configured to transfer motion from the drive pulley and the service pulley to the drum. | 02-05-2015 |
20150048668 | Method Of Mining Ore - A method of open cut mining comprising carrying out mining operations in an area of an open cut mine with manned resources and unmanned resources and providing separate access for these resources to the mine area at selected locations. Alternatively, or in addition, the method comprises carrying out mining operations in the mine area with manned resources and unmanned resources operating in selected, separate unmanned and manned zones, respectively within the mine area. | 02-19-2015 |
20150069815 | TUNNEL EXCAVATION METHOD - This tunnel excavation method includes a step of excavating three first tunnels that are substantially parallel to each other in a first excavation step. Second tunnels are excavated that intersect the first tunnels in a second excavation step. A boring machine is used that performs excavation in a state in which a gripper pushes against the side wall of the tunnel. | 03-12-2015 |
20150076892 | Self-Propelled Road Milling Machine For Processing Road Surfaces, And Method For Processing Road Surfaces - In a self-propelled road milling machine for processing road surfaces, with a machine frame supported by a height-adjustable chassis, with a milling drum mounted to rotate in a milling drum housing, with a milling drum drive for the milling drum, and with a height-adjustable scraper blade in the milling track of the milling drum, said scraper blade closing the milling drum housing towards the rear, it is provided for the following features to be achieved: that the scraper blade, laterally in the milling track of the milling drum, lies resiliently against the milling edge of the milling track, said milling edge extending orthogonal to the road surface. | 03-19-2015 |
20150091363 | Driving Device In A Self-Propelled Construction Machine And Method For Setting A Speed Ratio In Such A Driving Device - The present invention relates to a device in a self-propelled construction machine with a first driving unit, which provides for a first speed of rotation (n | 04-02-2015 |
20150130256 | ROLLING FRICTION OR SUSPENSION FRICTION IMPACT MINING METHOD AND WEAR-RESISTANT IMPACT MINING MACHINE USING SAID METHOD - A rolling friction or suspension friction impact mining method and a wear-resistant impact mining machine using said method. The mining machine comprises a reciprocating impact part ( | 05-14-2015 |
20150137579 | PICK TOOL AND METHOD OF USING SAME - A pick tool for pavement degradation or mining, comprising an insert and a holder, the insert comprising a super-hard strike tip joined to a proximate end of an insertion shaft. The insertion shaft is secured by an interference fit within a bore provided in the holder, the insertion shaft having a longitudinal axis and a distal end of the insertion shaft positioned at an insertion depth within the bore. A wear limit marker is provided on an external surface of the holder and positioned to correspond to an axial distance along the insertion shaft from the distal end, the distance being at least 20 percent and at most 35 percent of the insertion depth. | 05-21-2015 |
20150137580 | HIGH-EFFICIENCY MINING METHOD FOR PERCUSSING FALLING-MATERIALS WITHOUT TRAPPING MATERIALS AND HIGH-EFFICIENCY MINING MACHINE FOR PERCUSSING FALLING-MATERIALS WITHOUT TRAPPING MATERIALS - A high-efficiency mining machine for percussing falling-materials without trapping materials. Also disclosed is a high-efficiency mining method for percussing falling-materials without trapping materials. The mining machine has a simple structure and works in a reliable way. | 05-21-2015 |
20150308267 | EXCAVATING DEPOSITS FROM AN UNDERGROUND FORMATION LAYER - Deposits, such as coal, tar sand, heavy crude oil and/or minerals are excavated from an underground formation layer ( | 10-29-2015 |
20150322784 | METHOD OF DEVICE FOR CONVERTING ROTARY MOTION TO RECIPROCATING PERCUSSION MOTION AND DEVICE FOR CONVERTING ROTARY MOTION TO RECIPROCATING PERCUSSION MOTION THAT IMPLEMENTS THE METHOD - A method and device for converting rotary motion to reciprocating percussion motion. The device applies to the mining field or mechanical engineering field, and has advantages such as strong structural strength and a small amount of maintenance. | 11-12-2015 |
20160076371 | SERVICE TOOL FOR CUTTING BIT ASSEMBLY - A tool includes an actuator assembly, a rod, a first nut, and a second nut. The actuator assembly includes a cylinder, a ram, and a bore extending through the cylinder and the ram. The cylinder includes an internal chamber supporting the ram, a first end, a second end, and a reaction surface positioned proximate the first end. The ram is movable relative to the cylinder and positioned adjacent the second end of the cylinder. The rod extends through the bore of the actuator assembly. The first nut is selectively coupled to one of a first end of the rod and a second end of the rod, and defines a first dimension larger than the bore width of the bit block. The second nut is selectively coupled to the other of the first end of the rod and the second end of the rod, and defines a second dimension less than the bore width. | 03-17-2016 |
20160097279 | MINING SITE HAVING A SHALLOW ANGLE EXTRACTION SHAFT, SHALLOW ANGLE MINING METHOD AND METHOD FOR CONSTRUCTING A PENSTOCK - The present disclosure relates to a mining site comprising an extraction shaft passing through an ore body. Also included in the mining site are a lower shaft intersecting a path of the extraction shaft, a starting station extending from the lower shaft and from a bottom of the path of the extraction shaft, an arrival station overhanging above a top of the extraction shaft, and a upper shaft extending from the arrival station. In a particular aspect, the extraction shaft can be dug at a shallow angle between 10 and 45 degrees from horizontal. A shallow angle mining method for constructing the mining site is also provided. The present disclosure additionally introduces a hydro-electric site having a penstock dug at a shallow angle, and a method of digging a penstock. | 04-07-2016 |
20170234128 | PICK ASSEMBLY, PROCESSING ASSEMBLY COMPRISING IT, METHOD OF MAKING IT AND METHOD OF USING IT | 08-17-2017 |