Mining combine

FIELD: mining.

SUBSTANCE: invention relates to mining industry, in particular to production of coal by coal mining combines. Coal mining combine comprises a body, supports and fixed at the body ends rotary cutting units with screws installed on them. Each of the cutting units bodies has a cylindrical cavity, inside which there is a hollow screw shaft, as well as an electric motor installed. Herewith on the outer surface of the hollow screw shaft, which is also the electric motor shaft, there is a set of permanent magnets for direct transfer of the torque onto the screw from the active part of the electric motor stator. Power supply and control of the electric motor are implemented from the control system converter installed in a separate cavity of the cutting unit body.

EFFECT: simplified design of the combines, lower labor input and costs of their production and operation, the possibility of using screws of different diameters to provide optimum operating conditions for the combine in different conditions and higher reliability of their operation.

3 cl, 6 dwg

 



 

Same patents:

FIELD: machine building.

SUBSTANCE: present description relates to the cutter head for mining machine, and in particular to gear of the force transition to the cutter head of the mining machine, such as continuous miner. The machine for the ore bed development includes: motor with shaft, cutting drum with specified motor and connected to ring tooth-wheels. The primary planetary gear connecting the motor and cutting drum and containing sun gear connected with shaft for force transition to the planetary pinions entering in the engagement with the internal ring tooth-wheel. Secondary planetary gear comprising sun gear receiving force from the ring tooth-wheel and transmitting the rotation force by the non-orbital planetary pinion. Spur gear secured to each side of the non-orbital planetary pinion, at that each spur gear engages with the ring tooth-wheel secured to the cutting drum.

EFFECT: possibility of use of same motor to drive various parts of the cutting drum, as spur gears can engage with various parts of the drum.

10 cl, 6 dwg

FIELD: mining.

SUBSTANCE: method involves positioning of an automated complex for deep development relative to the working face considering the direction of ore bodies settings. Control of mine rock parameters is performed by means of control sensors of physical and mechanical characteristics of mine rocks for adjustment of a mine rock cutting force considering rotation speed of a working element and movement speed of the working element in a vertical plane throughout the cutting depth and cutting direction by means of hydromechanisms of telescopic retraction and a turning mechanism of the head section. Width of capture of the ore body plane in a horizontal direction is provided by means of the positioning mechanism of the complex relative to guides; with that, information on circuits of destructed mine rock is sent from control sensors of mine rock circuits to a system control unit.

EFFECT: increasing productivity, improving reliability and enlarging technological efficiency of destruction of rocks of different strength and coherence degree by controlling a cutting force in a zone of processing and formation in a surface layer of the processed massif of destruction zones considering strength characteristics of rock.

2 cl, 3 dwg

FIELD: mining.

SUBSTANCE: rock massif is disintegrated in crosswise direction by heading-and-winning machine planetary-disc actuators It is performed by serial intersecting cuts in radial-tangential and tangential-radial directions made by cutters of disc running in opposite directions. Said discs are set at the angle to plane formed by cutter lengthwise axis and radial direction relative thereto.

EFFECT: decreased working forces of hearing and wining machine.

2 cl, 3 dwg

Header cutter // 2521985

FIELD: process engineering.

SUBSTANCE: invention relates to continuous-operation headers. Header cutter comprises support element, extensible cutting head arranged at support element front end with central main part and at least one extensible drum part arranged at butting head end outside in axial direction from said cutting head main part. Extensible drum part has axial inner end abutting on cutting head main part. Axial outer end comprises inner end structure secured to cutting head main part and outer cylinder secured thereto. Inner cylinder secured to said inner end structure is located inside outer cylinder and aligned therewith. Extensible cylinder has inner circular expanded end with the part located between said inner and outer cylinders. End cover has ledge accommodating inner cylinder outer end aligned therewith. First and second spaces are formed between said cylinders. When fluid flows through said spaces extensible cylinder displaces to pulled or pushed position.

EFFECT: drum part that features extension and locking forces higher than those in usual cutting heads.

3 cl, 6 dwg

Heading machine // 2498063

FIELD: oil and gas industry.

SUBSTANCE: heading machine contains actuating device, support lifter, caged platform, electric equipment, control post, feeding mechanism, conveyor and chassis. In pivot mechanism located at chassis and driven by swing hydraulic cylinders spherical roller bearing is installed at bearing axis inside two-sided plain thrust bearing. Plain thrust bearing consists of assemblies (two at each side) segments in circumferential direction; segments are made of wear-resisting steel and are fixed by sunk screws.

EFFECT: decrease in dimensions and increase in service life of heading machine.

4 dwg

FIELD: oil and gas industry.

SUBSTANCE: heading set of equipment includes heading machine with actuator device fixed at it by timberer with hold-down beam and spacing cylinders. Turning shaft at hold-down beam is equipped with turning mechanism at the machine conveyor. Manipulators are equipped with drilling and anchoring tools with permanent anchorage. Hold-down beam is equipped with sliding telescopes; manipulators with permanent fixtures are fixed at sliding telescopes of the hold-down beam. Turning shaft is made as load lifting telescopic boom with lifting and spacing cylinders. Hold-down beam at carry does not protrude beyond machine dimensions.

EFFECT: improving reliability of timberer, reducing errors at erection of permanent anchorage, increasing mobility and expanding scope of application both with minimum and maximum draft size.

5 cl, 3 dwg

FIELD: mining.

SUBSTANCE: method involves uniform destruction of rock mass with continuous cross cutters of cycloidal direction with working tool of planetary flat disc actuators and of tangential direction with working tool of rotary elements. The latter are installed behind front and rear parts of the disc and fixed on reduction gears of planetary flat disc destruction elements.

EFFECT: increasing rock mass destruction efficiency using cross cutters.

2 cl, 3 dwg

FIELD: mining.

SUBSTANCE: method is implemented due to destructing the working face with cross cutters using rotary and planetary disc working members with lower power consumptions and yield of small ore fractions. In order to improve the efficiency of cross cutters, rock-destructing tool of planetary disc members moves in cycloidal-radial directions.

EFFECT: higher efficiency of destructing processes of mine rocks using heading-and-winning machines with cross cutters.

2 cl, 2 dwg

FIELD: mining.

SUBSTANCE: tunnelling machine actuator comprises a boom, a dispensing reducer and two breaking-loading crowns, axes of which are parallel to the longitudinal axis of the boom, the direction of their rotation is mutually opposite, and the body of each breaking-loading crowns is arranged in the form of a truncated conical surface combining a smaller base at the side of the bottomhole with a larger base at the side of the dispensing reducer. On the outer surfaces of bodies of breaking-loading crowns there are trihedral prisms installed with disc tools as capable of covering trajectories of movement and reversing rotation directions.

EFFECT: higher efficiency of mine tunnelling by combination of breaking, grinding and loading processes in a tunnelling actuator.

6 cl, 11 dwg

FIELD: mining.

SUBSTANCE: mining tunnelling combine comprises a displacement mechanism and a boom or a frame. On the frame there are at least two rotary cutting heads and two cutting rollers. Axes of cutting heads rotation pass in direction of tunnelling or are arranged at the sharp angle relative to tunnelling direction. Two cutting rollers are installed in parallel and behind the cutting heads, and may be arranged on the foot and on the roof, accordingly. Both cutting rollers comprise end sections capable of sliding to the profile width to form a substantially rectangular profile of cutting. At the same time each cutting roller is separately hingedly connected with the boom or the frame with the possibility of height adjustment, and each cutting roller has a diameter corresponding to at least one fifth of diameter of cutting heads cutting.

EFFECT: formation of a rectangular profile of a tunnel by a mining machine, exclusion of operation to remove curved profiles, higher safety.

5 cl, 5 dwg

FIELD: mining.

SUBSTANCE: invention relates to mining industry and may be used in cleaning machines in underground mining of minerals. Cleaning machine for underground mining with machine body moving along mining face consists of at least one drum actuator, which, with the help of actuator boom, is connected to machine body and may be driven by drive arranged in machine body via transmission gear arranged in actuator boom. Transmission gear has compensating cardan shaft passing through boom, which at the machine body side may be connected or engaged with the help of the first stage in angle drive to drive, and at the side of drum actuator with the help of the second stage in angle drive to the drum actuator itself.

EFFECT: reduction of load at side surfaces of shaft wheel cogs, reduction of power losses in transmission gear in actuator boom, lower wear of drive system and transmission gear parts, possibility to install boom for various cleaning machines.

11 cl, 5 dwg

Coal cutter-loader // 2357080

FIELD: mining.

SUBSTANCE: invention refers to mining industry and is designed for mechanized development of coal beds. The coal cutter-loader consists of feed mechanism, of a tool for intake of core with cutting elements secured on the end of the tool and projected to both sides from the wall of the tool, of a tool rotation mechanism with a drive asembled to travel lengthwise in a vertical plane and connected to the feed mechanism, and of a transporter. The coal cutter-loader is equipped with a base, an undercarriage with a drive, and mechanisms of lengthwise and transverse travel of the rotation mechanism relative to face, this rotation mechanism is connected to the tool, to a case for accumulating coal core, and to an offtake telescopic chute for supplying core to the transporter. Also the feed mechanism is made in form of a carriage connected to a drive by means of a lead screw; the carriage is mounted on a bed plate, which rests on a base. Mechanisms of lengthwise and transverse travel of the rotation mechanism relative to face are made in form of lead screws with drives, to which correspondingly the rotation mechanism and the feed mechanism carriage are connected. The rotation mechanism is installed to travel along guides assembled on the carriage by means of the mechanism of lengthwise travel relative to face; the mechanism of lengthwise travel is installed in its turn on the carriage. The case for core accumulating connected to the tool has a rectangular opening and is equipped with a driven swivel gate. Notably, the movable part of the offtake telescopic chute for supplying core to the transporter is attached to the said case opposite the said opening; the fixed part of the chute is secured on the carriage by means of a bracket.

EFFECT: increased efficiency of coal cutter-loaders and improvement of work environment in coal mines.

4 dwg

Tunnel miner // 2334102

FIELD: mining; transportation.

SUBSTANCE: tunnel miner includes crawler-tracked carriages, drilling effector, berm cutters, cut-out drums, warding four-section shield with boards and buckets attached to the said sections, chute-like conveyor with walls, control panel of hydraulic system, miner's electric equipment control station, and operator's seat. The miner incorporates two dust-screening flaps mounted pivotally, by means of curtains, on the chute-like conveyor walls at an angle to the vertical. The dust-screening flaps at the operator's seat side feature locking device with arms capable of shifting towards only one direction to reach the stops installed in one flap, and thus to free the adjoining flap.

EFFECT: reduced dust level of the operator's workplace during miner operation.

3 dwg

FIELD: mining.

SUBSTANCE: invention concerns mining, particularly the methods of developing bedded mineral deposits sloping at 40-50 degrees to the horizon. The method of medium and low depth steep coal-bed development involves preparation of extraction pillar by drifting belt entry and airway along the bed course, installation chamber with creation of face line slanted against the bed course line at an angle approximately equal to, but not less than the seam dip angle, and mounting of powered support sections in the installation chamber tilted against the face line and bed course, i.e. along the line of dip, coal extraction by a cutter-loader suspended at trolley and safety ropes, maintaining of working face roof by mobile powered support sections shifted following the working face line to the face and to the belt entry direction, and rock pressure control over complete roof collapse. After a powered support section reaching the belt entry it is lifted to the surface and undergoes technical inspection and maintenance works, then it is assembled again in the working face, this time at the junction with airway.

EFFECT: improved efficiency and reliability of development of bedded mineral deposits sloping.

1 dwg

FIELD: mechanical engineering, particularly in mineral resource industry.

SUBSTANCE: heading-and-winning machine comprises chassis, bench unit, upper cutting device, conveyer, planetary-and-disc executive tool, displaceable rotation reducer, two executive tool reducers and two distribution reducers. The distribution reducers include body with central starting borers and two arms provided with intermediate and output shafts. Main cutting discs are installed on output shafts. Additional cutting discs are mounted on intermediate shafts so that cutting planes thereof are shifter with respect to main cutting disc planes and discs are partially overlapped one with another. Main and additional cutting disc axes are in single plane transversal to face. Main cutting discs are as close as possible to bench unit.

EFFECT: extended functional capabilities and improved service performance.

3 dwg

Cutter-loader // 2313669

FIELD: mining, particularly mining machinery manufacturing.

SUBSTANCE: cutter-loader comprises conveyer, loading crane with lugs, hitch to connect loading crane with conveyer. The hitch is arranged over loading crane and includes two rings having inner diameters exceeding conveyer width. The rings are coaxial one to another and connected with each other so that the rings may perform mutual rotation. One ring is fixed to conveyer. Another ring has webs provided with vertical slots and enclosing loading crane. The webs are connected to loading crane by means of horizontal axis passing under loading crane through vertical web slots and loading crane lugs.

EFFECT: increased loading crane stability in transversal direction and improved reliability of loading crane connection with cutter-loader conveyer.

6 dwg

FIELD: mining industry.

SUBSTANCE: combine has main body, drive, feeding mechanism and executive tool, which is made in form of drum with horizontal rotation axis. It is placed at non-straight angle to longitudinal conveyor axis and is turned in horizontal plane in direction providing for displacement of trajectory of coal output towards conveyor. Drum has cylinder, on outer surface of which in certain order cams with cutters are fixed. Inside the cylinder three or five electric engines are placed. These are inserted in parallel in recesses of fixed body with inner teeth of sun ring of planetary gear, which interact with three satellites. Output shafts of three or five electric engines interact with one common cog-wheel. It is placed coaxially with planetary gear and engaged with it by torsion shaft having two cog tail pieces. One of tail pieces interacts with inner slits of wheel hub, and another interacts with teeth of three satellites of planetary gear. Mechanism for hoisting drum mechanism along bed massive has handle raising jack and handle with horizontal rotation axis placed in horizontal plane at non-straight angle to conveyor axis and turned to direct displacement of executive tool towards pit-face. Shoes of stability mechanism for combine are provided with reverse clamps for shelves on front pit-face and back dump sides of conveyor. Back support of conveyor on soil is placed on dump end of inter-section beams. Combine feeding mechanism has drive for chainless feeding system and leading sprocket. Sprocket interacts with fingers of conveyor rack. Drive is placed beyond handle of executive tool and is made in form of separate electric engine with reducer of self-braking worm type. Engagement of sprocket with fingers is guaranteed by reverse clamp of reducer engaging back planes of conveyor rack carrying these fingers. In method for loading coal on conveyor, drum rotation axis in plane around vertical axis is turned in certain direction to turn trajectory of coal towards conveyor. Movement of mining drum along conveyor is performed first along ceiling, and then along soil along coal output direction while providing for cleaning of soil in direction of frontal movement of conveyor to pit-face.

EFFECT: lesser dimensions, lesser mass, higher quality of operation.

7 dwg

The invention relates to methods for development of mineral deposits and can be used to create the mining and tunneling machines for surface and underground development

Mountain harvester // 2234600
The invention relates to mining and can be used for extraction of minerals by underground way through treatment uzkozahvatnoj harvesters

Mountain harvester // 2230906
The invention relates to the field of mining engineering and can be used in the design of mining machines

FIELD: mining industry.

SUBSTANCE: combine has main body, drive, feeding mechanism and executive tool, which is made in form of drum with horizontal rotation axis. It is placed at non-straight angle to longitudinal conveyor axis and is turned in horizontal plane in direction providing for displacement of trajectory of coal output towards conveyor. Drum has cylinder, on outer surface of which in certain order cams with cutters are fixed. Inside the cylinder three or five electric engines are placed. These are inserted in parallel in recesses of fixed body with inner teeth of sun ring of planetary gear, which interact with three satellites. Output shafts of three or five electric engines interact with one common cog-wheel. It is placed coaxially with planetary gear and engaged with it by torsion shaft having two cog tail pieces. One of tail pieces interacts with inner slits of wheel hub, and another interacts with teeth of three satellites of planetary gear. Mechanism for hoisting drum mechanism along bed massive has handle raising jack and handle with horizontal rotation axis placed in horizontal plane at non-straight angle to conveyor axis and turned to direct displacement of executive tool towards pit-face. Shoes of stability mechanism for combine are provided with reverse clamps for shelves on front pit-face and back dump sides of conveyor. Back support of conveyor on soil is placed on dump end of inter-section beams. Combine feeding mechanism has drive for chainless feeding system and leading sprocket. Sprocket interacts with fingers of conveyor rack. Drive is placed beyond handle of executive tool and is made in form of separate electric engine with reducer of self-braking worm type. Engagement of sprocket with fingers is guaranteed by reverse clamp of reducer engaging back planes of conveyor rack carrying these fingers. In method for loading coal on conveyor, drum rotation axis in plane around vertical axis is turned in certain direction to turn trajectory of coal towards conveyor. Movement of mining drum along conveyor is performed first along ceiling, and then along soil along coal output direction while providing for cleaning of soil in direction of frontal movement of conveyor to pit-face.

EFFECT: lesser dimensions, lesser mass, higher quality of operation.

7 dwg

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