Mining machine (versions), method for developing material of drift wall and disc cutter

FIELD: mining.

SUBSTANCE: mining machine for interacting with the drift wall comprises a platform, a cantilever having an end and pivotally attached to the platform providing rotation of the cantilever around the rod in the first direction, a drive having a first end connected to the cantilever and providing rotation of the cantilever in first direction, a first disc cutter mounted at the end of the cantilever having the first cutting edge configured for rotating around the first axis and interacting with the drift wall at the first angle of attack when the cantilever turns in said first direction, and the second disc cutter mounted at the end of the cantilever having the second cutting edge configured for rotating around the second axis and interacting with the drift wall at the second angle of attack when the cantilever turns in said first direction. The second angle of attack equals to the first angle of attack. Said first and second axes are not in the same plane.

EFFECT: reduction of applied force and increase of disc cutter efficiency with reduction of power consumed per one extraction of rock volume unit.

41 cl, 11 dwg

 



 

Same patents:

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: rolling drilling tool for extraction of material according to the undercutting principle contains cutting surface (12) made concentrically about central M axis and conically diverging to end surface (11) of rolling drilling tool (10) and support housing located on inner side of cutting surface (12) and passing to end surface (11) of the tool. Cutting surface (12) consists of material that is harder than that of support housing, and support housing forms conical ring-shaped rib at least on outer circular wall, and the inner circular wall of rib restricts free space (21) on end surface (11) of the tool. Due to free space and various pairs of materials the tool can be turned automatically.

EFFECT: increasing the service life and operating time of rolling drilling tool.

17 cl, 9 dwg

Rock-cutting tool // 2307932

FIELD: mining, particularly rock-cutting tools for underground mineral mining and rock cutting by mining and tunneling machines, plowing apparatus and other mining and construction machines provided with cutting tools.

SUBSTANCE: rock-cutting tool comprises holder and cutting head to be connected to the holder. Holder is wedge-like in cutting head area. The wedge has cylindrical top defined by generator transversal to side faces of cutting head and rock-cutting tool axis. Cutting head is shaped as hollow trihedral prism having one ridge used as cutting edge. Orifice communicated with edge-like cavity is created between another two ribs. Remote rib of the cavity is shaped as cylindrical surface with generator transversal to side faces. Wedge-like taper is 5-10° greater that of wedge-like holder. Wedge-like resilient members are arranged between cutting head and holder.

EFFECT: improved capabilities of cutting tool.

5 dwg

FIELD: mining.

SUBSTANCE: group of inventions relates to the mining machines to excavate rock. The mining machine to excavate the rock comprises a platform; a boom mounted on the platform and comprising a base part, a rotating part pivotally attached to the base part, and a bearing bracket of the cutter head, and the said base part comprises two horizontal main plates spaced apart, and the said rotating part comprises two spaced apart support plates pivotally attached to the base part with the ability of rotation relative to it around the support pivotally mounted and extending between two spaced apart horizontal main plates of the base part, and two spaced apart rotating plates pivotally attached by the support rod extending between the rotating plates to the support plates with the ability of rotation relative to them, at that the bearing bracket of the cutter head is attached to the rotating plates; the disc cutter adapted for interaction with the developed material and mounted on the said bearing bracket of the cutter head by means of the disc cutter assembly imparting the disc cutter with the eccentric movement, and the said disc cutter is inserted by the boom into the developed material; two spaced apart hydraulic cylinders extending between the said base part and the rotating part and providing rotation of the rotating plates relative to the base part; a hydraulic rotary cylinder mounted on the lower support plate and providing rotation of the rotating plates relative of the support plates.

EFFECT: increasing the efficiency of operation of the mining machine, providing the boom rotation at an angle greater than 180 degrees.

16 cl, 20 dwg

FIELD: transport.

SUBSTANCE: device for underground development of thick and steep deposits of potassium ores includes blind shaft tunneller of "ПГР-1" type consisting of guiding-holding down gear body with rollers on pillars, two driving motors, planetary reduction gear, actuating elements; hollow centring guide; cable winch mounted on frame. Blind shaft tunneller is equipped with device made in the form of integrated swivel and current collector and located in guide gear made as curb on the inner surface of which longitudinal grooves are made to accommodate pillars with rollers of guiding-holding down gear of tunneler, and fixed in guiding gear stopping device. At outer side of guiding gear, in the bottom part supporting hydraulic jacks are installed, and in the top part - throw over blocks for rope and for cable are fixed on axis. Wrench is made double-drum - rope-and-cable - and fitted on frame of caterpillar double-drive chassis, the frame is equipped at its front with supporting hydraulic jacks and at its top - with power manipulator pivotally connected with guiding gear controlled from driver's cabin. Apart from driver's cabin, ground control console is placed. Power manipulator includes boom with hydraulic cylinder for guiding gear lifting-lowering, hydraulic drive for boom rotation around its axis for an angle α, hydraulic cylinder using which guiding gear is turned for an angle β relative to boom longitudinal axis.

EFFECT: blind shaft tunneller functionality and structural capabilities enhancement, safety of works.

6 dwg

FIELD: mining.

SUBSTANCE: mining machine comprises a cutting mechanism, which comprises a cantilever, the first eccentrically rotated disc cutter installed on a cantilever and designed for interaction with a mined material and installed on the specified end of the cantilever, the specified end of the cantilever is rotated around the axis arranged at the angle to the specified longitudinal axis of the cantilever. The second eccentrically rotated disc cutter installed on the cantilever, arranged at the distance from the first disc cutter and designed for interaction with the mined material and installed at the specified end of the cantilever at the distance from the first disc cutter, the specified cutter is driven around the axis, which is parallel to the specified longitudinal axis of the cantilever. The third disc cutter designed for interaction with the mined material and installed on the specified end of the cantilever at the distance from the second disc cutter, the specified cutter is installed as capable of rotation around the axis arranged at the angle both to the specified longitudinal axis of the cantilever and to the axis of the first disc cutter. The platform, the support rod that connects the cantilever to the platform with the possibility of cantilever rotation relative to the platform, and a drive for rotation of the specified cantilever from side to side. Three disc cutters have an axis of cutting, which, passing through all three cutters, is perpendicular to the longitudinal axis of the cantilever and is diverted from the perpendicular line to the mine floor. Cutters cut the mined material for equal depth. The first disc cutter is in the lowest position and is arranged so that it contacts with the mined rock first, before other disc cutters. As the cantilever rotates to the mined rock, each of three disc cutters contacts with the rock at the angle of attack, formed between the cutting edge and the mined rock, besides, the angle of attack for all three disc cutters makes 10 degrees.

EFFECT: higher efficiency of mining machine operation.

41 cl, 11 dwg

FIELD: mining.

SUBSTANCE: device includes elongated guide, vibrating disc cutter installed for straight-line movement along the guide; and erection device for location and retention of elongated guide in the required place relative to the nearest surface of rock so that vibrating disc cutter can move along the guide and cut the groove of adjustable width and depth on rock surface.

EFFECT: improving the sampling accuracy of mine rock samples from channel with uniform cross section.

8 cl, 6 dwg

The invention relates to the mining industry

The invention relates to the mining industry and is intended for blasting mostly solid rock mass treatment combines

FIELD: mining.

SUBSTANCE: device includes elongated guide, vibrating disc cutter installed for straight-line movement along the guide; and erection device for location and retention of elongated guide in the required place relative to the nearest surface of rock so that vibrating disc cutter can move along the guide and cut the groove of adjustable width and depth on rock surface.

EFFECT: improving the sampling accuracy of mine rock samples from channel with uniform cross section.

8 cl, 6 dwg

FIELD: mining.

SUBSTANCE: mining machine comprises a cutting mechanism, which comprises a cantilever, the first eccentrically rotated disc cutter installed on a cantilever and designed for interaction with a mined material and installed on the specified end of the cantilever, the specified end of the cantilever is rotated around the axis arranged at the angle to the specified longitudinal axis of the cantilever. The second eccentrically rotated disc cutter installed on the cantilever, arranged at the distance from the first disc cutter and designed for interaction with the mined material and installed at the specified end of the cantilever at the distance from the first disc cutter, the specified cutter is driven around the axis, which is parallel to the specified longitudinal axis of the cantilever. The third disc cutter designed for interaction with the mined material and installed on the specified end of the cantilever at the distance from the second disc cutter, the specified cutter is installed as capable of rotation around the axis arranged at the angle both to the specified longitudinal axis of the cantilever and to the axis of the first disc cutter. The platform, the support rod that connects the cantilever to the platform with the possibility of cantilever rotation relative to the platform, and a drive for rotation of the specified cantilever from side to side. Three disc cutters have an axis of cutting, which, passing through all three cutters, is perpendicular to the longitudinal axis of the cantilever and is diverted from the perpendicular line to the mine floor. Cutters cut the mined material for equal depth. The first disc cutter is in the lowest position and is arranged so that it contacts with the mined rock first, before other disc cutters. As the cantilever rotates to the mined rock, each of three disc cutters contacts with the rock at the angle of attack, formed between the cutting edge and the mined rock, besides, the angle of attack for all three disc cutters makes 10 degrees.

EFFECT: higher efficiency of mining machine operation.

41 cl, 11 dwg

FIELD: transport.

SUBSTANCE: device for underground development of thick and steep deposits of potassium ores includes blind shaft tunneller of "ПГР-1" type consisting of guiding-holding down gear body with rollers on pillars, two driving motors, planetary reduction gear, actuating elements; hollow centring guide; cable winch mounted on frame. Blind shaft tunneller is equipped with device made in the form of integrated swivel and current collector and located in guide gear made as curb on the inner surface of which longitudinal grooves are made to accommodate pillars with rollers of guiding-holding down gear of tunneler, and fixed in guiding gear stopping device. At outer side of guiding gear, in the bottom part supporting hydraulic jacks are installed, and in the top part - throw over blocks for rope and for cable are fixed on axis. Wrench is made double-drum - rope-and-cable - and fitted on frame of caterpillar double-drive chassis, the frame is equipped at its front with supporting hydraulic jacks and at its top - with power manipulator pivotally connected with guiding gear controlled from driver's cabin. Apart from driver's cabin, ground control console is placed. Power manipulator includes boom with hydraulic cylinder for guiding gear lifting-lowering, hydraulic drive for boom rotation around its axis for an angle α, hydraulic cylinder using which guiding gear is turned for an angle β relative to boom longitudinal axis.

EFFECT: blind shaft tunneller functionality and structural capabilities enhancement, safety of works.

6 dwg

FIELD: mining.

SUBSTANCE: group of inventions relates to the mining machines to excavate rock. The mining machine to excavate the rock comprises a platform; a boom mounted on the platform and comprising a base part, a rotating part pivotally attached to the base part, and a bearing bracket of the cutter head, and the said base part comprises two horizontal main plates spaced apart, and the said rotating part comprises two spaced apart support plates pivotally attached to the base part with the ability of rotation relative to it around the support pivotally mounted and extending between two spaced apart horizontal main plates of the base part, and two spaced apart rotating plates pivotally attached by the support rod extending between the rotating plates to the support plates with the ability of rotation relative to them, at that the bearing bracket of the cutter head is attached to the rotating plates; the disc cutter adapted for interaction with the developed material and mounted on the said bearing bracket of the cutter head by means of the disc cutter assembly imparting the disc cutter with the eccentric movement, and the said disc cutter is inserted by the boom into the developed material; two spaced apart hydraulic cylinders extending between the said base part and the rotating part and providing rotation of the rotating plates relative to the base part; a hydraulic rotary cylinder mounted on the lower support plate and providing rotation of the rotating plates relative of the support plates.

EFFECT: increasing the efficiency of operation of the mining machine, providing the boom rotation at an angle greater than 180 degrees.

16 cl, 20 dwg

Heading machine // 2571471

FIELD: mining.

SUBSTANCE: heading machine comprises bearing frame (2) with running gear and boom (4) turning horizontally and vertically and equipped with cutter (8). The latter is equipped with at least one tool carrier appliance (10, 11) revolving on boom (4), said appliance being provided with multiple cutters (12). Note here that cutter (8) has at least two parallel disc-like tool carrier appliances (10, 11). The latter are fitted to revolve on disc-shaped end zone (13) of boom (4) located between said appliances (10, 11).

EFFECT: efficient cutting in hard rock.

15 cl, 5 dwg

Tunnelling machine // 2572632

FIELD: mining.

SUBSTANCE: invention relates to mining industry, namely to the tunnelling machine. The invention relates to mining industry, namely to the tunnelling machine. The tunnelling machine contains the running gear (3), the main frame (2) and at least one tool support (7, 8) installed with a possibility of rotation around the horizontal axis (17) of rotation which bears several roller cutting tools and is intended for rotary driving in both directions by means of the actuating unit. At least two roll-shaped tool supports (7, 8) are installed with a possibility of rotation around the common axis (17) of rotation which bear on their periphery several roller cutting tools (9) located with distribution in the partial peripheral zone (α). The actuating unit interacts with tool supports (7, 8) so that both two of the named at least two tool supports (7, 8) rotate at the rotary movement in both directions at least within the part of the rotary movement in opposite directions with reference to each other. The cutting tools (9) of one of opposite rotating tool supports (7) are located with the distribution in the partial peripheral zone (α) which, at least, in the point of return of rotary movement is displaced in the circumferential direction with reference to the partial peripheral zone (α) along which the cutting tools (9) of another of opposite rotating tool supports are arranged with distribution (8).

EFFECT: providing the cutting mode along the whole surface of the profile without the need for additional cutting of remaining rock edges.

24 cl, 7 dwg

FIELD: mining.

SUBSTANCE: fastening of the cutting head of a cutting loading machine comprises a locking device, a thrust bushing, a protective fixing element and pins. The locking device is implemented in the form of a lock screw screwed with the threaded end into the end face of a driving shaft, and a flange resting against the thrust bushing. The bushing is implemented in the form of split rings installed in the cutting head bore. The protective fixing element implemented in the form of a barrel by open cylindrical part holds the split rings in the cutting head bore, and the face closed part is fixed by the pins located in the ring bore of the lock screw.

EFFECT: reliability and durability of fastening of the cutting head, simplification of assembly and dismantling, ensuring the stability of operation of the executor and the machine in general, decrease of costs of service and repair.

2 dwg

FIELD: mining.

SUBSTANCE: mining machine for interacting with the drift wall comprises a platform, a cantilever having an end and pivotally attached to the platform providing rotation of the cantilever around the rod in the first direction, a drive having a first end connected to the cantilever and providing rotation of the cantilever in first direction, a first disc cutter mounted at the end of the cantilever having the first cutting edge configured for rotating around the first axis and interacting with the drift wall at the first angle of attack when the cantilever turns in said first direction, and the second disc cutter mounted at the end of the cantilever having the second cutting edge configured for rotating around the second axis and interacting with the drift wall at the second angle of attack when the cantilever turns in said first direction. The second angle of attack equals to the first angle of attack. Said first and second axes are not in the same plane.

EFFECT: reduction of applied force and increase of disc cutter efficiency with reduction of power consumed per one extraction of rock volume unit.

41 cl, 11 dwg

Rock-cutting tool // 2307932

FIELD: mining, particularly rock-cutting tools for underground mineral mining and rock cutting by mining and tunneling machines, plowing apparatus and other mining and construction machines provided with cutting tools.

SUBSTANCE: rock-cutting tool comprises holder and cutting head to be connected to the holder. Holder is wedge-like in cutting head area. The wedge has cylindrical top defined by generator transversal to side faces of cutting head and rock-cutting tool axis. Cutting head is shaped as hollow trihedral prism having one ridge used as cutting edge. Orifice communicated with edge-like cavity is created between another two ribs. Remote rib of the cavity is shaped as cylindrical surface with generator transversal to side faces. Wedge-like taper is 5-10° greater that of wedge-like holder. Wedge-like resilient members are arranged between cutting head and holder.

EFFECT: improved capabilities of cutting tool.

5 dwg

FIELD: mining.

SUBSTANCE: rolling drilling tool for extraction of material according to the undercutting principle contains cutting surface (12) made concentrically about central M axis and conically diverging to end surface (11) of rolling drilling tool (10) and support housing located on inner side of cutting surface (12) and passing to end surface (11) of the tool. Cutting surface (12) consists of material that is harder than that of support housing, and support housing forms conical ring-shaped rib at least on outer circular wall, and the inner circular wall of rib restricts free space (21) on end surface (11) of the tool. Due to free space and various pairs of materials the tool can be turned automatically.

EFFECT: increasing the service life and operating time of rolling drilling tool.

17 cl, 9 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

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