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Matches 1 - 50 out of 5,911

Document Document Title
WO/2018/106300A1
A double headed drill bit for a cutting element carried on a rotary drum member of a continuous mining machine is provided according to the invention. The drill bit is formed from a length of hardened material and includes a first tapere...  
WO/2018/099262A1
Provided is a rock drilling, swelling and chiselling combined machine based on a high-pressure foam medium, which comprises: a mechanical device of the rock drilling, swelling and chiselling combined machine, a high-pressure foam generat...  
WO/2018/099261A1
A stoping method for an oxygen-free working surface of a highly gaseous mine, comprising: aiming at a first coal seam of the highly gaseous mine which is not disturbed and a working surface (1) of which roof fissure of the coal seam is n...  
WO/2018/094874A1
Disclosed is a coal mining machine attitude control method based on a coal seam geographic information system. The method comprises: establishing an association model between a cutter undercut adjustment amount of a lower drum (4) of a c...  
WO/2018/095955A1
The invention relates to a hard metal insert (1) for a round shank chisel on a rotatable roller of a milling machine, having a cylindrical body (2), a conical tip (3) on the body (2), a soldering surface (5) which is provided on a base (...  
WO/2018/090859A1
Provided are a system and method, based on machine vision and multi-sensor fusion, for automatic operation of a coal mining machine. The system comprises a main machine body of a coal mining machine, an automatic drill rod conveying syst...  
WO/2018/088053A1
The purpose of the invention is to provide a gas hydrate recovery method and a gas hydrate recovery device that can suppress changes in an underwater environment caused by gas hydrate recovery. Provided is a gas hydrate recovery method i...  
WO/2018/086694A1
A roller cutter unit (13) mountable at a cutting head (15) of undercutting mining machines (10). The cutter unit comprises an elongate mount shaft (23) to position and support a cutter ring (14). The cutter ring (14) is secured to the mo...  
WO/2018/071020A1
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit electrically coupled to a power source to provide power at a frequency, the pulse-generating circuit comprising an input stage t...  
WO/2018/068362A1
Disclosed is a deep-sea mining system (100), comprising a transport ship (110) shuttling on the surface of the sea, an undersea self-propelled floating body (120), a seabed mobile delivery station (130) and a seabed mineral collection ma...  
WO/2018/064901A1
A cutting pick, comprising a base body, a cutting tooth (1) arranged on the base body, and a conical annular wedge (2); the cutting tooth (1) is a polycrystalline diamond composite tooth which is composed of a polycrystalline diamond com...  
WO/2018/059811A1
The invention relates to a method, to a system, and to a device for decomposing methane hydrate (1) and to a method and to a system for obtaining methane from methane hydrate (1), wherein methane-hydrate-containing seabed is removed and ...  
WO/2018/060933A1
An air bag (110) for pushing down stone slabs (110), comprising at least two overlapped flexible plane layers welded to each other (111, 112), the air bag (110) configured to be put into a plane cut slit (150) between a quarry wall (140)...  
WO/2018/056274A1
Core sampling is enabled over a wide range of the seabed. The present invention is provided with a main robot 3 that moves underwater by remote operation, and a sampling robot 2 that is connected to a manipulator 7 attached to the main r...  
WO/2018/054041A1
Disclosed is a pulse jet flow and mechanical shock joint rock-breaking mechanism, comprising a guide rail (1), a propulsion cylinder (2), a hydraulic impact power head (3), a drill rod (4), a drill bit (5), a dynamic seal combination sle...  
WO/2018/057841A1
A rock excavating device includes a shaft and a cutting element. The shaft includes a first portion and a second portion connected to an end of the first portion. The first portion is rotatable about a first axis. The second portion exte...  
WO/2018/057845A1
A machine for excavating rock includes a frame, a cutting device, and a boom. The cutting device includes a cutting disc having a cutting edge, and the cutting disc is rotatable about a cutting device axis. The boom supports the cutting ...  
WO/2018/050900A1
A cutter bit assembly (10) for use in underground mining, road grading, and the like includes a water spray assembly (12) having a water nozzle (42) in a first chamber (38) that discharges a water spray (70) through an air gap (44) and i...  
WO/2018/045633A1
A consolidated solid strip backfill mining method for a coal mine, combining cemented backfilling and solid backfilling, comprising: preparing a cemented backfilling material at a ground backfilling material preparation station (2); pump...  
WO/2018/045632A1
A method for recycling room coal pillars by solid backfilling in coordination with artificial pillars, comprising: conveying a solid material (3) on the ground and a cementing material (4) to a room pillar gob (9) by means of a batching ...  
WO/2018/049177A1
A mining system with an inertial guidance system configured to enable precise excavation of geological material without a need to advance a survey line over a long distance and/or nonlinear excavation path, thereby maximizing productivit...  
WO/2018/039718A1
An apparatus (1) for supporting an explosive device (13) including a base member (3), one or more support members (11) and a fluid aperture (19). The base member (3) includes a base member aperture (5) to provide a passage (7) to a base ...  
WO/2018/041348A1
The present invention relates to handling of dust-laden air in a mine tunnel and particularly to a mobile unit (10) for a mine tunnel comprising a dust extraction system (25) and a method of conveying material and removing dust in a mine...  
WO/2018/040457A1
A pick having a power device of a composite rotary cutting excavating machine, disposed in a cylinder (27). An impact piston (26) and an impact hammer (28) are further arranged in the cylinder (27); driven by a fluid changing between hig...  
WO/2018/040459A1
A combined rotary-cutting mining machine, a pick (32) being provided on a drum or cutter head (7) of a shield machine. The pick reciprocates in the axial direction of the shield machine at a certain frequency during operation. The shield...  
WO/2018/040456A1
A special pick of a composite rotary cutting excavating machine, arranged on a cutting part of a boring and working front end of a composite rotary cutting excavating machine. The special cutting pick comprises a pick head (61) and a pic...  
WO/2018/039709A1
A method of moving waste material from a mining site using at least one excavator and a plurality of dozers, including excavating material with the at least one excavator from a dig area, said at least one excavator moving along an excav...  
WO/2018/040458A1
A composite rotary-cutting mining machine relates to a coal mining machine or a heading machine. A composite drill bit or composite roller (7) of the mining machine is provided with at least one or a plurality of cylinders. A piston is p...  
WO/2018/038119A1
Provided is an undersea mining base that is capable of coping with slopes and undulations of a seabed deposit. This undersea mining base (20) is provided with a seabed mineral excavation device (30) that forms a pit in a seabed deposit (...  
WO/2018/038290A1
The present invention relates to a packer for splitting a rock by means of hydraulic pressure, the packer sealing the area around a cut, forming a sealed space, to split a rock by means of hydraulic pressure. The packer comprises: a cyli...  
WO/2018/038289A1
The present invention relates to a cylindrical packer for splitting a rock by means of hydraulic pressure, the packer sealing the area around a cut, forming a sealed space, to split a rock by means of hydraulic pressure. The cylindrical ...  
WO/2018/032781A1
Disclosed is a seabed mineral collection device, comprising a device body, multiple adaptive seabed mineral collectors (10), and respective mineral conveying pipes (9). The mineral conveying pipes (9) connect the device body to the adapt...  
WO/2018/035436A1
A cutting assembly for a rock excavation machine having a frame includes a boom and a cutting device supported on the boom. The boom includes a first portion and a second portion, the first portion supported for pivotable movement relati...  
WO/2018/035425A1
A cutting assembly for a rock excavation machine including a frame. The cutting assembly includes a boom supported on the frame and a cutting device. In some aspects, the boom includes a first portion and a second portion, and the first ...  
WO/2018/028477A1
Disclosed are a vehicle body utilized in a rockbreaker, a rockbreaker, and a rock breaking method. A rock breaking operation area (103) is configured to pass through the vehicle body and in a direction perpendicular to and above the grou...  
WO/2018/029833A1
The present invention has a step for exploring for a natural resource in a satellite, an asteroid, or a planet, a step for acquiring the natural resource detected by the exploration, and a step for storing the acquired natural resource.  
WO/2018/030366A1
The present invention comprises: a step for exploring natural resources on natural satellites, asteroids or planets; a step for acquiring the natural resources detected by exploration; and a step for storing the acquired natural resources.  
WO/2018/024686A1
A transmission assembly (100) for a mobile mining machine (10) is disclosed. A gearbox (40) includes a lubricant inlet (40C), a first lubricant outlet (40A), and a second lubricant outlet (40B) provided spaced apart from the first lubric...  
WO/2018/027109A1
A plasma pulse device for producing fluid shock waves includes a shooting head having a positive electrode and a negative electrode and at least one emitter window, a metal conductor configured to be positioned into and ablated in the sh...  
WO/2018/021931A1
The invention relates to the mining and construction industries and is designed to increase reliability, reduce vibrational loads and improve serviceability. The indicated technical result is a hydrohammer, which comprises a body with a ...  
WO/2018/016296A1
Provided are a gas hydrate recovery system and a gas hydrate recovery method with which it is possible to stably operate a gas lift mechanism. A method for recovering gas hydrate by disposing a water-surface facility 5 on water, conveyin...  
WO/2018/017229A1
A milling depth compensation system for milling rock determines a target position of a machine (10), an initial position of the work surface (101), and a target pose of the machine based on the target position of the machine and the init...  
WO/2018/007652A1
The invention relates to a wear or protection system for a tool of a machine for moving earth, which comprises a wear element (1), a support (3) and a pin (7) with elastic means (13) housed in a housing (5) that has a base surface (27) a...  
WO/2018/009093A1
The invention relates to the mining and construction industry and is directed at increasing the production efficiency and utilizational efficiency of a hydraulic hammer. The indicated technical result consists in a hydraulic hammer, comp...  
WO/2017/219624A1
Provided is a method for sorting and using coal/rock on a coal-and-rock simultaneous-mining face, used for sorting and using coal and rock mined from a coal-and-rock simultaneous-mining face when mining multiple layers of coal and using ...  
WO/2017/219613A1
A water-saving and efficiency-increasing hydraulic cutting pick applicable to high-pressure water jet coal cutters, heading machines and gadders, comprising a pick body (2); an alloy pick tip nozzle (1) is provided at an outlet of a cent...  
WO/2017/219970A1
Disclosed is a method for sorting and using coal/rock on a coal-and-rock simultaneous-mining face, particularly useful for sorting and using coal and rock mined from a coal-and-rock simultaneous-mining face when mining multiple layers of...  
WO/2017/222546A1
A system and method for collecting operational vibration data for a mining machine. The method includes, receiving at least one motion command. The method further includes, controlling at least one component based on the at least one mot...  
WO/2017/215760A1
A condition of at least one structural part (8, 8a, 8b) of a mining machine (1) is monitored by at least one optical fibre (6) provided in connection with the mining machine (1) for sensing a condition of at least one structural part (8,...  
WO/2017/215762A1
Phenomena in connection with a mining machine (1) is monitored by an arrangement, wherein at least one phenomenon related to the mining machine (1) is sensed by at least one optical fibre (6) provided in connection with the mining machin...  

Matches 1 - 50 out of 5,911