Coal cutter-loader

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

 

The invention relates to the mining industry, and is intended for mechanical engineering in coal seams.

Known coal miner (RF patent No. 2021503, publ. 15.10.1994,), comprising a frame having guide rails sectional screw Executive body, located on the brackets parallel to the rails with the possibility of reciprocating movement along the bottom output and capacity of the reservoir by means of hydraulic cylinders, excavator, the cutter drive and loader and hydraulic cylinders move the Executive body to the side of the face, and the actuator is located between one of the pairs of sections screw Executive body coaxially their shafts, and brackets made pacoblaze in longitudinal section shape and is provided with sliding bearings, located in the top corner of each bracket with the opportunity to interact with one of the guides, and additional supports that are installed with the interaction with the other guide below first, the lower guide is that they can move perpendicular to the Executive body and is connected with the hydraulic cylinders move the capacity of the reservoir.

The disadvantage of this harvester is that it does not provide a solid surface due to cutting that is about, what happens securing the cutting tools on the screw sections of the Executive body of the fly relative to the blades of the screw and with a certain step along a helical line, and each instrument leaves only one trace on the surface. After nicks cutting tool (embedding it in an array of bottom output) the Executive body is moved in the transverse direction, while the blades of the augers bounces coal without the introduction into the reservoir. From the introduction of holding them back is the tool that is embedded into the reservoir when the longitudinal feed of the Executive body.

Famous mountain harvester (RF patent No. 2023153, publ. 15.11.1994,), including suspension, cargo and Executive bodies. The latter is in the form of a body placed in it the eccentric sleeve, which has been leading. The latter has the drive and radial rays with cutting tools. The actuators were driven and sleeves are made with a rigid connection. Cutting tools, rotating together with the planet carrier and rays, destroy the array, while receiving a given section of the form output.

The disadvantage of this harvester is the kinematic complexity of the drive.

The closest in technical essence and the achieved positive effect and adopted for the prototype is a drilling machine for tunneling (A.S. No. 50312, publ. 01.01.1937 g), which vkluchennim feed tool for sampling core with cutting elements mounted on its end protruding into both sides of the wall of the tool, the mechanism of rotation of the tool with the actuator mounted with the possibility of longitudinal movement in a vertical plane and connected with the feeder conveyor.

The disadvantage of this design is the relatively low productivity when working on this drilling machine.

Technical result achieved during the implementation of the claimed invention is to improve the performance of coal combines, the improvement of working conditions in coal mines.

This technical result is achieved that the device containing the feed mechanism, tools for sampling core with cutting elements mounted on its end protruding into both sides of the wall of the tool, the mechanism of rotation of the tool with the actuator mounted with the possibility of longitudinal movement in a vertical plane and connected with the feed mechanism, the conveyor according to the invention it is provided with a base chassis with the drive mechanisms of the longitudinal and transverse directions of the mechanism of rotation relative to the bottom associated with the tool body for accumulation of coal core, lateral telescopic tray of core Tran the porter, this feeder is made in the form associated with the actuator via a lead screw carriage located on the frame, which rests on the base, the mechanisms longitudinal and transverse movement of the mechanism of rotation relative to the slaughter is made in the form of the traveling screw actuators, which are respectively connected to the rotation mechanism and the carriage feed mechanism, the rotation mechanism is mounted for movement along the guides posted on the carriage by means of longitudinal movement relative to the downhole installed in turn on the carriage and connected with the tool body for accumulation of coal core has a rectangular hole and provided with a butterfly valve with drive its rotation and the said casing opposite the said holes fixed, movable portion drop telescopic tray core on the conveyor, a stationary part by means of a bracket mounted on the carriage.

Figure 1 shows the front view of the coal combine, figure 2 shows a view along arrow a in figure 3 presents a view along arrow B bypass telescopic tray; figure 4 is given schema cut coal cores from the reservoir.

Coal miner contains: flat base 1, a chassis 2, the actuator 3, a frame 4, the actuator 5, the lead screw 6, the bases of the tion 7, the carriage 8, the lead screw 9, the actuator 10, the tool 11, the case for the accumulation of coal core 12, the rotary valve 13, the actuator 14, the guides 15, lead screw 16, the actuator 17, the transmission gear 18, the conveyor 19, the actuator 20, the bracket 21, the movable 21 and 22 of the stationary part of the outlet telescopic tray, motors G1, G2, G3, G4, G5, G6, G7. To the flat base 1 is mounted, the chassis 2 with the actuator 3 is the bed 4 and the conveyor 19 to the actuator 20. On the frame is mounted lead screw 6 and the actuator 5 and the base 7 with the lead screw 9 and the actuator 10. On the base is a carriage 8 in Assembly with the screw 16, the actuator 17 guides 15. The tool 11 is inserted into the housing bore for the accumulation of coal core 12; the instrument is fixed a gear wheel 18, which is engaged with the gear of the motor G1. Right in the bore of the housing is inserted into the rotary valve 13 with the actuator 14. The case for the accumulation of coal core 12 in the collection is put on the guides 15 of their holes. To the housing opposite the rectangular holes is secured the movable part 21 outlet telescopic tray, and the fixed part 22 by means of a bracket 23 fixed to the carriage 8.

Operates coal combine in the following way. The tool 11 along with housing for the accumulation of coal core 12 is positioned is and the expense of longitudinal movements (lead screw 6) and movements along the guides 15 (lead screw 16) opposite the place of education of the coal core. The tool receives the rotation from the gear 18 and the motor G1. Then turn the drive carriage 8 (lead screw 9, the actuator 10), which provides a working tool feed (moves left). The tool is gradually being implemented in the coal massif, forming carbon core; then the tool feed stops, turns on the actuator 17 with the motor G7; as a consequence, the tool moves parallel to its axis on the size of the outer gap, which is greater than the inner gap is split the coal core. After that, the carriage gets accelerated motion, the opposite movement of the feed movement to the right) and occupies the original position. The cycle repeats.

When following the introduction of the tool in the array coal new coal core moves inside the instrument coal Kern to the right; next the coal core shifts for two of the core. This continues up until the extreme core in the housing to the accumulation of coal core 12 will be opposite rectangular openings. Once this happens, it triggers the rotary valve 13 by means of the actuator 14, while the rectangular hole of the rotary valve 13 coincides with the same housing bore for the accumulation of coal core 12 - coal core is falling down, falling into the drain telescopic tray, which direction is employed, the coal core on a running conveyor 19. After that, the rotary valve 13 closes the rectangular hole of the body to accumulate carbon core 12. The drain tray is made telescopic, so that when the maximum vertical movement of the body to accumulate carbon core 12 to avoid interruption of the tray.

Coal seam can be developed in several ways:

1) formed in the array of cylindrical holes after removal of the coal cores relate to each other; removing remaining between them figured cores follows the same pattern (figure 4 dashed circle);

2) cylindrical holes intersect.

After frontal development of a coal seam at a depth equal to the length of the coal cores, coal miner moves to coal array using the chassis 2 and the actuator 3.

The coal cores is not accompanied by the formation of coal dust, which improves working conditions in the mine.

When equipped coal combine a video camera or perhaps a remote control coal combine with the remote out of the face (unmanned technology).

Declared coal miner has high performance due to the exclusion of the cycle of manual labor, and also due to the fact that coal is mined not small fractions and coal cores, which are easier to transport that allowed is about to simplify the design of the coal combine.

Coal miner containing the feed mechanism, tools for sampling core with cutting elements mounted on its end protruding into both sides of the wall of the tool, the mechanism of rotation of the tool with the actuator mounted with the possibility of longitudinal movement in a vertical plane and connected with the feeder, conveyor, characterized in that it is provided with a base chassis with the drive mechanisms of the longitudinal and transverse directions of the mechanism of rotation relative to the bottom associated with the tool body for accumulation of coal core, lateral telescopic tray core on the conveyor, the feed mechanism made in the form of related driven by the lead screw, the carriage is located on the frame, which rests on the base, the mechanisms longitudinal and transverse movement of the mechanism of rotation relative to the slaughter is made in the form of the traveling screw actuators, which are respectively connected to the rotation mechanism and the carriage feed mechanism, the rotation mechanism is mounted for movement along the guides posted on the carriage by means of longitudinal movement relative to the downhole installed in turn on the carriage and connected with the tool body to accumulate core has a PR is Margolina hole and provided with a butterfly valve with drive its rotation, moreover, the said casing opposite the said holes fixed, movable portion drop telescopic tray core on the conveyor, a stationary part by means of a bracket mounted on the carriage.



 

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