Solely by slitting (E21C27/02)
E Fixed constructions(158735)
E21 Earth or rock drilling; mining(78691)
E21C ining or quarrying(17294)
E21C27/02 Solely by slitting (rods, drums, for same e21c0025100000; saws, discs, wheels e21c0025180000; chains, chain guides, for same e21c0025280000)(353)
FIELD: mining engineering.SUBSTANCE: machine is located adjacent to a face conveyor for transporting the material, and comprises a chassis, a boom pivotally connected to the chassis, a blade drum for engagement with stope face, while knife drum is mounted for rotation on the boom, and the crusher rock fractures used to trap material on the face conveyor. In this case, the chassis includes a first end and a second end, the chassis being movable in at least a first direction that is substantially parallel to the stope face. The crusher of rock fractures includes an elongated crushing arm having a first end and a second end, the first end being pivotally connected to the chassis about the axis of the lever. The crusher of the rock fractures also includes a number of teeth for crushing the mined material.EFFECT: development of longwall in a compact manner, with a compact crusher.19 cl, 4 dwg
Coal mining machine // 2625833
FIELD: mining.SUBSTANCE: coal mining machine contains a body with cutting units with augers fixed at its ends and a crusher mounted on the body. Crusher mounting shaft is installed coaxially with bushings on which the cutting unit is installed.EFFECT: simplifed design of the machine during crusher installation, reduced size of it, reduced extraction thickness minimum.2 cl, dwg
Slow rotation of cutter-loader drum // 2607134
FIELD: machine building.SUBSTANCE: group of inventions relates to cutter-loaders. Cutter-loader includes a cutting drum with multiple cutting teeth arranged on the drum and a mechanism of the cutting drum rotation. Mechanism of the cutting drum rotation includes a power supply source, a cutter motor, a switch and a drive with controlled frequency. Switch has the first and the second states. First state electrically connects the power supply source and the cutter motor for operation of the cutting drum at the rate of cutting, a the second state electrically connects the drive with controlled frequency and the cutter motor for operation of the cutting drum at the rate of servicing, lower than that of cutting.EFFECT: technical result is provision for rotation of the cutting drum of the machine at the rate of servicing.20 cl, 4 dwg
FIELD: mining.SUBSTANCE: invention relates to the method of fastening of the rotary reducer to the housing in the cutter loader. The method of fastening of the rotary reducer to the housing using the hydraulic jack, the hinge and, at least, one pin with the hinge eyes consists in that the axis of the pin connecting the rotary reducer of the cutter loader with the hinge eyes, and the engine axis are located mutually parallel in the same plane. The hydraulic jack is located between the axis of the feeder power shaft and the pin connecting the rotary reducer of the cutter loader with the hinge eyes.EFFECT: possibility of providing of free motion of the drive towards a crimp in conditions of confined space (small volume) and execution of production in thin layers with low thickness.3 cl, 3 dwg
FIELD: mining.SUBSTANCE: shaft-sinking and tunnelling winning unit for mechanisation of mine workings and mining operations comprises a platform in the form of a frame with support skis and the adjustable insert, a mining machine with symmetrically placed screws on the output shafts of gearboxes, the face conveyor with line pans, the sections of mechanised shoring with bases and canopies with hydraulic props of the thrust and the jacks of shifting, the scraper reloader and the control panel. The platform is made autonomously and is provided with a feeding mechanism in the form of a feeding mechanism of the mining machine with the ability of rigid placing on it of the housing of the mining machine in cleaning and in excavating implementation.EFFECT: reduction of metal consumption, increased performance and reliability.8 cl, 10 dwg
FIELD: mining.SUBSTANCE: method to change over cutter-loader with auger actuators to new mining strip with location of face conveyor drive in longwall face and single-sided pattern of extraction, includes movement of cutter-loader with mineral extraction from cutting zone. At the same time at the end section of longwall face, at the distance equal to the distance between axes of cutter-loader augers, two wells are drilled, to the depth equal to one width of cutter-loader grip. Then cutter-loader moves as idle-running to the end of longwall face, afterwards cutter-loader augers are installed along axis of wells, where at frontal feed of cutter-loader, auger hubs enter wells, and auger blades destroy massif and produce mineral to conveyor with subsequent movement of cutter-loader and formation of new mining strip. In another version of method, cutter-loader changeover is proposed with shuttle method of extraction.EFFECT: higher efficiency of mining faces operation, simplified technology of second working, reduced costs for equipment, less time spent for auxiliary operations, increased resource of conveyor operation, elimination of multiple bends in conveyor stand.2 cl, 3 dwg
Winning machine for bedded minerals // 2398108
FIELD: mining.SUBSTANCE: invention relates to mining industry and may be used to win bedded minerals along bed hypsometry, also under complicated mining and geological conditions. Winning machine for bedded minerals includes sections of bearing powered movable support with longitudinal guides, where sections of guard shield are installed, being connected to sections of actuator with drive installed along front of bed winning. Winning machine is additionally equipped with brackets having cutters for damage of face from surface along cutting lines directed along front of bed winning with pitch providing for reservation of pillars between them. Brackets with cutters are joined to each other by sections of actuator with drive. Brackets with cutters are rigidly installed on sections of guard shield with drive of its motion along longitudinal guides of sections of bearing powered movable support.EFFECT: reduced power intensity of face damage, provision of monitoring of machine position relative to bed, increased efficiency of machine, reduced dilution.3 cl, 5 dwg
FIELD: mining.SUBSTANCE: invention relates to minerals industry, particularly to treating combines for selective concavity of heavy, predominately potassic layers with rock interlayer. Combine for selective concavity of heavy potassic layer with rock interlayer includes casing, on ends of which there are mounted with ability of rotation in vertical plane two handles, each of which is outfitted by integrated rive and screw, and additional cutting block. Additional cutting block contains handle with integrated drive and screw, and is rigidly fixed to casing of combine. Fixed on body basis of cutting block is pivotally connected to carrier and hydro- thruster climbing of handle, which is rigidly connected to slider, installed in guide groove of carrier with ability of displacement with handle to bottom for value not less than width of screw, diametre of which is not more than power of top layer. Additionally end main screws of combine are implemented with diametre of not less than half of power of more heavy layer of stratum.EFFECT: effectiveness increase of selective concavity of heavy layer with rock interlayer independently from capacity of the latter.2 dwg
FIELD: mining.SUBSTANCE: invention relates to mechanisation facilities for underground selective concavity of thin predominately potassic layers by treating combines. Combine for selective concavity of thin layers of minerals includes body, at ends of which there are mounted with ability of rotation in vertical plane two handles, outfitted by agreeably integrated drive and screw with loading shield, and carrier. One of handles allows rigidly fixed on it slider with ability of displacement of it with handle in guide channel of carrier to bottom for value not less than width of screw, diametre of which is not more than output of rock layers of roofing, located at break between bottom and transporter. Screw of other handle is implemented of diametre not less than half of total power of fall rock layers of roofing and mineral.EFFECT: design simplification of combine, decreasing of its weight and reliability improvement in operation at selective concavity of thin layers with coal-cutting with stone of roofing.2 dwg
FIELD: mining.SUBSTANCE: group of inventions refers to mining, particularly to miner for excavating beds of minerals. The miner for excavation of beds of minerals with rock inclusions, notably, of coal beds, consists of case 22 with electrical 2 and hydraulic 3 blocks arranged on the case, of control panels 4 and 5 of the hydraulic blocks and of mechanisms 7 and 8 for miner advance; said mechanisms interact with a pin bar 10 of conveyor 9. Also the miner consists of at least one handle 15 swiveling in vertical plane and assembled at the end of case 22; the handle is equipped with actuator 23 for mineral cutting; the actuator is driven to rotation by means of engine 17 and reducer 18 placed inside handle 15. Also the miner is equipped with main mechanism 24 installed between handle 15 and case 22; the main mechanism advances handle 15 onto a face at destructing of rock inclusions and it is equipped with facility 25 for maintaining the miner immobile, when actuator 23 is cutting rock inclusions.EFFECT: high efficiency of mineral excavation.16 cl, 20 dwg
ovable operating element of mining machine // 2327869
FIELD: mining.SUBSTANCE: invention relates to the mining and can be used in mining machines for coal cutting and breaking the soft ores, e.g. kimberlite. The movable operating element of the mining machines contains the screw conveyer with the inclined spiral cutting strip consisting of the separate sections projecting above the screw conveyer's blade. The section of the spiral cutting strip are placed alternately to each other at the distance L equal to 0.3D of the angle diameter D of the loosened fragment, have the width B equal to D - the angle diameter D of the loosened fragment. The angle of inclination to the contour line of the upper side of the breaking segment is taken as 7°, and the angle of inclination to the contour line of the inner side of the breaking segment is taken as 47°.EFFECT: area of application of machines for coal cutting and soft ore breaking is broadened.2 dwg
ining machine // 2307933
FIELD: mining, particularly machines which completely free the mineral from the seam, namely coal mining machines with auger executive tools adapted for underground mineral mining.SUBSTANCE: mining machine comprises hydraulic driving mechanism, drive, reducers, height-adjustable augers and loading flaps. The machine has additional executive tool made as a number of cutting discs connected to single vertical shaft and arranged in front of augers in machine movement direction. Cutting disc radius is equal or greater than auger width.EFFECT: improved coal grade of quality.3 dwg
Working tool of mining machine // 2291297
FIELD: mining industry, possible use in mining machines with cutting working tools (worms, crowns, drums), in particular in drilling combines and complexes for driving mines of rectangular cross-section.SUBSTANCE: working tool contains frame, on which motor is held with cutting tool. Motor is made in form of two independent reducers with engines. Cutting tool is made in form of four separate drums. On output shaft of each reducer two drums are mounted. Each reducer is held on frame with possible transverse movement relatively to the latter.EFFECT: high productiveness during work with hard rock, expanded area of possible use depending on width of mine being driven, possible destruction of rectangular face using simple plan, not requiring high combiner skills.2 cl, 7 dwg
FIELD: mining, machines which completely free the mineral from the seam by slitting, particularly cutter-loaders provided with two auger executive tools spaced apart large distance.SUBSTANCE: method involves preparing cutter-loader and support units; moving cutter-loaded to central breakage face section; moving face conveyer flight part; returning cutter-loader; supplying support units and supporting roof over cutter-loader; moving cutter-loader in extreme position so that the first executive tool enters drift joined to breakage face; preparing cutter-loader by removing the second executive tool from opposite drift side or arranging thereof in transport position; installing the first executive tool in lower position. Face conveyer flight is moved along the full breakage face length, namely in frontal manner. Cutter-loader is moved in central part of breakage face along with bottom massif bank cutting and kert forming, wherein the kert extends for length of not less than cutter-loader length. Then cut coal is loaded on conveyer. After cutter-loader return the second executive tool is installed in place or moved in working position.EFFECT: increased efficiency of gently sloping coal bed development due to provision of cuter-loader self-sumping during front movement of face conveyor.3 dwg
Cleaning combine // 2244125
FIELD: mining industry.SUBSTANCE: device has feeding mechanism, electric block, turning reducers, each body of which is made symmetric relatively to longitudinal axis and provided with eyes, executive tools, cleaning devices, hydraulic equipment. Ears are placed in area of turning reducer rotation axis, while two are in upper portion and two are in lower portion of body. On upper and lower eyes, dependently on position of hydraulic cylinder on combine, by axes a bracket is mounted having an eye, on which rod of hydraulic cylinder for rotation of executive tool is fixed. Distance from fixing axis of rod to axis of rotation of turning reducer equals half of drive of hydraulic cylinder rod.EFFECT: higher efficiency.2 dwg
Shearer // 2234601
The invention relates to mining and can be used in cleaning machines, designed for thin layers
The executive body of the mountain harvester // 2214509
The invention relates to mining machinery and can be used in the construction of mining machinery, using irrigation in the process
The executive body of the mountain harvester // 2209975
The invention relates to mining machines, more particularly to a mountain harvesters working in the quarries at Tonkolili the development of rocks screw Executive bodies, arranged horizontally under the frame of the harvester and loaded part of the weight of the harvester
ountain harvester // 2203415
The invention relates to the mining industry and can be used in particular for carrying out excavations and sewage extraction
Coal miner with crusher // 2174598
The invention relates to mining and can be used in the extraction of coal using harvesters
ountain harvester // 2171375
The invention relates to equipment for mechanization of extraction of natural resources in their production treatment faces underground
The invention relates to the mining industry, mainly for purifying excavation, formation of coal, manganese and potassium ores
The executive body of the shearer // 2101492
The executive body of the mining machine // 2100599
The invention relates to the mining industry and is intended for use in mining machines
Shearer // 2080451
The invention relates to the mechanization of underground coal mining, in particular wastewater treatment combines for thin layers
The invention relates to techniques for dealing with mechanical cutting and destruction mainly brittle and layered materials, monoliths and arrays shock-cutting method mainly in applications in mining industries
The working body of the shearer mining // 2066756
The working body of the shearer mining // 2066755
ountain shearer // 2065959
Shearer // 2059808
The invention relates to the extraction of coal and other minerals by mechanical means, in particular, to the design uzkozahvatnoj treatment combines
Harvester // 2057930
The invention relates to mining and designed for mechanization of excavation expanded rocks soil when restoring sections of preparatory workings
Shearer // 2036302
The invention relates to mining machinery and can be used to create working machines moving along a guide rail fixed on the rail
The invention relates to mechanization
The invention relates to a testing technique, strength tests of rock samples, construction of objects in real conditions
Shearer for thin coal seams // 2016194
The invention relates to the mining industry, in particular to wastewater treatment combines for thin coal seams with the placement of the housing of the combine before the face conveyer (face bench)
Coal miner // 2007565
The invention relates to the mining industry, specifically to the mining machines, moving on rails along the stope using winches installed on the roadway
Shearer // 2004795
