CN110566199A - Downward mining coal mining machine and matching device - Google Patents
Downward mining coal mining machine and matching device Download PDFInfo
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- CN110566199A CN110566199A CN201910883629.8A CN201910883629A CN110566199A CN 110566199 A CN110566199 A CN 110566199A CN 201910883629 A CN201910883629 A CN 201910883629A CN 110566199 A CN110566199 A CN 110566199A
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- 239000003245 coal Substances 0.000 title claims abstract description 229
- 238000005065 mining Methods 0.000 title claims abstract description 216
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Discharge Of Articles From Conveyors (AREA)
Abstract
The invention relates to the technical field of coal mining equipment, in particular to a downward mining type coal mining machine and a matching device. The coal mining machine comprises a coal mining machine body, a coal mining machine rocker arm and a coal mining machine cutting roller, wherein the coal mining machine cutting roller is arranged on one side of the coal mining machine body. The invention can rapidly, safely and efficiently mine the steeply inclined coal seam with the thickness of less than 8 meters and the inclination angle of more than 45 degrees by adopting a downward mining mode along the coal seam. The downward mining type coal mining machine, the scraper conveyor and the n-shaped fully-mechanized hydraulic support of the steeply inclined coal seam are matched to form a high-efficiency, high-yield and safe long-wall mechanized coal mining working face on the basis of the mining process of the steeply inclined coal seam, the comprehensive mechanized mining of the steeply inclined coal seam with the thickness of less than 8 meters and the coal seam inclination angle of more than 45 degrees is realized, the coal mining efficiency under the above conditions can be greatly improved, the safety is improved, the automatic mining level is improved, the coal mining capacity is improved, and therefore the coal mine productivity is improved.
Description
Technical Field
The invention relates to the technical field of coal mining equipment, in particular to a downward mining type coal mining machine and a matching device.
Background
The coal mining machine is a main device for mining a coal layer on a coal mining working face of a coal mine, the performance of the coal mining machine directly influences the coal mining efficiency and the coal quality, cutting drums of the existing coal mining machine are uniformly distributed on one side of a machine body of the coal mining machine, coal in front of the machine body of the coal mining machine is mined by the cutting drums of the coal mining machine, the coal mining machine advances along the direction of the coal layer in the coal mining process, and the coal mining machine is suitable for. When the steeply inclined coal seam is mined, particularly the steeply inclined coal seam with the thickness less than 8 meters and the inclination angle more than 45 degrees, the traditional wall type coal mining method cannot be adopted for mining and arranging equipment such as a coal mining machine due to the large inclination angle and the thin coal seam, and the existing coal mining machine cannot be used for effective mining, so that the coal mining efficiency is low or even cannot be mined. In the mining of the steep coal seam, a flexible shield support mining method and a small-stage coal seam hydraulic support mining process are adopted for mining the steep coal seam with the coal seam thickness of less than 8 meters and the coal seam inclination angle of more than 45 degrees, but all the defects exist, and the mining method is not suitable for the mining of the steep coal seam. The coal seam has no supporting, supporting and mining equipment which is reliable and practical and is matched with the coal seam for use, and the coal seam has to be abandoned for mining at present.
Disclosure of Invention
The invention provides a downward mining coal mining machine and a matching device, overcomes the defects of the prior art, and can effectively solve the problems that a steeply inclined coal seam with the thickness of less than 8 meters and the inclination angle of more than 45 degrees cannot be mined and arranged by a traditional wall-type coal mining method due to large inclination angle and thin coal seam, and cannot be effectively mined by a coal mining machine, so that the coal mining efficiency is low or even cannot be mined.
The invention also solves the problem that the steeply inclined coal seam with the thickness of less than 8 meters and the inclination angle of more than 45 degrees is matched with a non-reliable coal mining machine and a bracket.
One of the technical schemes of the invention is realized by the following measures, and the downward mining type coal mining machine comprises a coal mining machine body, a coal mining machine rocker arm and a coal mining machine cutting roller, wherein the coal mining machine cutting roller is arranged on one side of the coal mining machine body, and is connected with the coal mining machine body through the coal mining machine rocker arm and can swing up and down in a reciprocating manner.
The following is further optimization or/and improvement of the technical scheme of the invention:
And a cutting roller of the coal mining machine is arranged on one side of the coal mining machine body close to the top plate.
and a cutting roller of the coal mining machine is arranged on one side of the coal mining machine body close to the bottom plate.
And the side of the coal mining machine body close to the top plate and the side of the coal mining machine body close to the bottom plate are respectively provided with a coal mining machine cutting roller.
The second technical scheme of the invention is realized by the following measures, a matching device comprises a downward mining type coal mining machine, a scraper conveyor and a plurality of n-shaped fully-mechanized hydraulic supports arranged along a working surface, wherein the body of the downward mining type coal mining machine is positioned on the scraper conveyor and can move along the scraper conveyor, the downward mining type coal mining machine and the scraper conveyor are positioned in the fully-mechanized hydraulic supports of the steeply inclined coal seams, the fully-mechanized hydraulic supports of the steeply inclined coal seams comprise a top plate side supporting beam positioned on the top plate side, a goaf covering beam, a goaf articulated beam, a bottom plate side supporting beam positioned on the bottom plate side and a vertical column goaf, the goaf covering beam and the goaf articulated beam are hinged to face the goaf, the top plate side supporting beam, the goaf covering beam, the goaf articulated beam and the bottom plate side supporting beam are hinged to form a support with an n-shaped structure, at least one row of supports are arranged between the top plate side supporting beam and the bottom plate side supporting beam, each row of supports comprises two upright posts which are arranged in parallel, telescopic legs for lifting the supports are arranged at the lower parts of the top plate side supporting beam and the bottom plate side supporting beam, the top plate side supporting beams of every two adjacent n-shaped fully-mechanized mining hydraulic supports of the steeply inclined coal beds are connected together through a left pull frame oil cylinder, the bottom plate side supporting beams of every two adjacent n-shaped fully-mechanized mining hydraulic supports of the steeply inclined coal beds are connected together through a right pull frame oil cylinder, and pushing oil cylinders for pushing the scraper conveyors are arranged at the lower parts of the top plate side supporting beam and the bottom plate side supporting beam.
The invention forms a high-efficiency, high-yield and safe longwall mechanized coal mining working face on the basis of the mining process of the steeply inclined coal seam by matching a downward mining type coal mining machine, a scraper conveyor and a plurality of n-shaped fully-mechanized coal mining hydraulic supports of the steeply inclined coal seam arranged along the working face, realizes the comprehensive mechanized mining of the steeply inclined coal seam with the thickness of less than 8 meters and the coal seam inclination angle of more than 45 degrees, can greatly improve the coal mining efficiency under the conditions, improve the safety, improve the automatic mining level and the coal mining capacity, the n-shaped fully-mechanized mining hydraulic support has the advantages that the productivity of a coal mine is improved, the whole body of the n-shaped fully-mechanized mining hydraulic support moves upwards by mutually pulling the n-shaped fully-mechanized mining hydraulic support in the adjacent steeply inclined coal seam, the support is prevented from jumping into a transportation crossheading in the operation process, the lower support is prevented from working towards an upper return air crossheading reversing frame, the labor intensity is effectively reduced, and the operation efficiency of three machines is improved.
Drawings
Fig. 1 is a schematic front view of embodiment 1 of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is a schematic structural view of the arrangement of a return air crossheading, a coal face roadway and a transportation crossheading from the front.
3 fig. 3 4 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 at 3 a 3- 3 a 3 in 3 fig. 3 3 3. 3
Fig. 5 is a schematic diagram of a three-machine kit according to embodiment 4 of the present invention.
Fig. 6 is a schematic view of the arrangement of two single-side mounted shearer cutting drums mounted on a scraper conveyor according to the present invention.
Fig. 7 is a schematic moving track diagram of n-shaped fully-mechanized mining hydraulic supports of two adjacent steeply inclined coal seams in embodiment 5 of the present invention.
Fig. 8 is a side view of fig. 1.
The codes in the figures are respectively: the device comprises a coal mining machine body 1, a scraper conveyor 2, a coal mining machine rocker arm 3, a coal mining machine cutting roller 4, a flow guide device 5, a coal bed 6, a vertical shaft 7, an air return crossheading 8, a coal face roadway 9, a transportation crossheading 10, a top plate 11, a bottom plate 12, a downward mining type coal mining machine 13, a goaf shield beam 14, a goaf articulated beam 15, a bottom plate side support beam 16, a support upright column 17, a left pull frame oil cylinder 18, a right pull frame oil cylinder 19, a top plate side support beam 20, a steeply inclined coal bed n-shaped fully mechanized mining hydraulic support 21, a telescopic leg 22, a push oil cylinder 23, an uppermost steeply inclined coal bed n-shaped fully-mechanized mining hydraulic support A, and a steeply inclined coal bed n-shaped fully-mechanized mining hydraulic support B adjacent to the support A.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
Example 1: as shown in the attached figures 1, 2 and 6: the downward mining type coal mining machine comprises a coal mining machine body 1, a coal mining machine rocker arm 3 and a coal mining machine cutting roller 4, wherein the coal mining machine cutting roller 4 is arranged on one side of the coal mining machine body 1, and the coal mining machine cutting roller 4 is connected with the coal mining machine body 1 through the coal mining machine rocker arm 3 and can swing up and down in a reciprocating mode. The coal below at least one side of the scraper conveyor 2 can be cut through the downward swing of the rocker arm 3 of the coal mining machine, the extracted coal is guided to the scraper conveyor 2 through the guide device 5 corresponding to the cutting roller 4 of the coal mining machine, the guide device 5 can adopt the existing known guide plates and other guide equipment, the coal is conveyed to the conveying gate 10 through the scraper conveyor 2, and the coal with one cut depth at the lower part of the working surface can be completely extracted through the movement of the scraper conveyor 2. The downward mining type coal mining machine can rapidly, safely and efficiently mine the steeply inclined coal seam with the thickness of less than 8 meters and the inclination angle of more than 45 degrees by adopting a downward mining mode along the coal seam.
Example 2: as shown in fig. 6, the shearer body 1 is provided with a shearer cutting drum 4 on the side close to the roof 11 according to the width of the working face.
Example 3: as shown in fig. 6, the shearer body 1 is provided with shearer cutting drums 4 on the side close to the bottom plate 12 according to the width of the working face.
When the coal seam 6 is thin (the thickness of the coal seam is 2 m and below), the coal mining machine body 1 is only provided with a single-side coal mining machine cutting roller 4 and a single-side flow guide device 5, the mining method is that two downward mining type coal mining machines 13 provided with the single-side coal mining machine cutting rollers 4 are arranged on a scraper conveyor 2, one coal mining machine cutting roller 4 is arranged on the left side of the coal mining machine body 1, the other coal mining machine cutting roller 4 is arranged on the right side of the coal mining machine body 1, when the scraper conveyor 2 is arranged close to the right side, the coal on the left side of the scraper conveyor 2 is mined by the coal mining machine cutting rollers 4 arranged on the left side of the coal mining machine body 1, after the coal with a certain width is mined, the downward mining type coal mining machines 13 are stopped at the end part of a working face roadway 9, then the scraper conveyor 2 moves to the left side to the, thereby realizing the complete extraction of coal with one cut depth on the working face.
Example 4: as shown in the attached figures 1 and 2: the side of the coal mining machine body 1 close to the top plate 11 and the side close to the bottom plate 12 are respectively provided with a coal mining machine cutting roller 4. When the coal seam 6 is thick (the thickness of the coal seam is more than 2 meters), all the coal with one cut depth on the working face is extracted by downwards cutting the cutting rollers 4 on the left side and the right side of the downward mining type coal mining machine 13 and left-right moving the scraper conveyor 2.
The coal mining machine body 1 drives the coal mining machine body 1 to reciprocate on the scraper conveyor 2 by adopting the meshing of a travelling gear and a pin row mechanism (the travelling gear is arranged on the coal mining machine body 1, and the pin row mechanism is arranged on the scraper conveyor 2). The body 1 of the coal mining machine comprises an electric cabinet and a traveling box, and the body 1 of the coal mining machine is driven by a traction motor and a speed reduction transmission system to drive a traveling gear in the traveling box to be meshed with a pin row mechanism of a scraper conveyor 2 to rotate so as to realize the traveling of the body 1 of the coal mining machine. The rocker arm 3 of the coal mining machine is driven to swing up and down by an oil cylinder which connects the machine body 1 of the coal mining machine and the rocker arm 3 of the coal mining machine. The cutting drum 3 of the coal mining machine is driven to rotate by a drum cutting motor, a clutch mechanism and a speed reducing mechanism in the rocker arm 3 of the coal mining machine.
Example 5: as shown in fig. 5: the supporting device comprises a downward mining type coal mining machine 13, a scraper conveyor 2 and a plurality of n-shaped fully-mechanized coal mining hydraulic supports 21 arranged along a working face, wherein a coal mining machine body 1 of the downward mining type coal mining machine 13 is positioned on the scraper conveyor 2 and can move along the scraper conveyor 2, and the downward mining type coal mining machine 13 and the scraper conveyor 2 are positioned in a coal face roadway 9 formed by the fully-mechanized coal mining hydraulic supports 21 in the steeply-inclined coal seam.
The fully mechanized mining hydraulic support 21 for the steeply inclined coal seam comprises a top plate side supporting beam 20 positioned on the side of a top plate 11, a goaf shielding beam 14, a goaf hinged beam 15, a bottom plate side supporting beam 16 positioned on the side of a bottom plate 12 and supporting upright posts 17, wherein the goaf shielding beam 14 is hinged with the goaf hinged beam 15 and then faces the goaf, the top plate side supporting beam 20, the goaf shielding beam 14, the goaf hinged beam 15 and the bottom plate side supporting beam 16 are hinged to form a support with an n-shaped structure, at least one row of supporting upright posts are arranged between the top plate side supporting beam 20 and the bottom plate side supporting beam 16, each row of supporting upright comprises two supporting upright posts 17 which are arranged in parallel, telescopic legs 22 for lifting the support are arranged at the lower parts of the top plate side supporting beam 20 and the bottom plate side supporting beam 16, the top plate side supporting beams 20 of every two adjacent n-shaped fully mechanized mining hydraulic supports 21 for the steeply inclined coal seam are connected together through left-pulling-frame oil cylinders 18, and the bottom supporting beams 16 of every two adjacent fully mechanized mining hydraulic 19, a pushing cylinder 23 for pushing the scraper conveyor 2 is arranged at the lower part of the top plate side supporting beam 13 and the bottom plate side supporting beam 16, and the telescopic legs 22 can be driven by hydraulic cylinders to extend and retract.
The upper part of a top plate side supporting beam 20 of an n-shaped fully-mechanized mining hydraulic support 21 of the steeply inclined coal seam is hinged with a goaf shield beam 14, the upper part of a bottom plate side supporting beam 16 is hinged with a goaf hinged beam, and the goaf shield beam 14 and the goaf hinged beam are hinged together; at least one row of supporting columns 17 is arranged between the top plate side supporting beam 20 and the bottom plate side supporting beam 16, one end of each row of supporting columns 17 is connected with the top plate side supporting beam 1, and the other end of each row of supporting columns 17 is connected with the bottom plate side supporting beam 16. During operation, the n-shaped fully mechanized coal mining hydraulic supports of the steeply inclined coal seam are arranged in the working face roadway 9, the top plate side supporting beams 20 and the bottom plate side supporting beams 16 are respectively contacted with the top plate 11 and the bottom plate 12, and the top plate 11 and the bottom plate 12 are respectively tightly propped under the action of the supporting upright posts 17, so that the bottom plate side supporting beams 16, the top plate side supporting beams 20, the goaf shield beams 14, the goaf articulated beams and the coal face roadway 9 jointly form a front-rear through operation space, the downward mining type coal mining machine 13 operates below the n-shaped fully mechanized coal mining hydraulic supports 21 of the steeply inclined coal seam, a safe operation area is provided for the downward mining type coal mining machine, and the operation space can also be used as an air duct in mining operation, so that normal operation of the coal mining machine is guaranteed, and safety accidents caused by unsmooth ventilation are avoided.
As shown in figures 3, 4 and 5: during operation, the return air crossheading 8, the coal face roadway 9 and the transportation crossheading 10 are respectively arranged according to the distribution of the coal seam 6, the return air crossheading 8 and the transportation crossheading 10 are communicated with the ground through the vertical shaft 7, and the return air crossheading 8, the face roadway 9 and the transportation crossheading 10 form complete U-shaped ventilation, so that the operation safety is ensured. Firstly, a plurality of n-shaped fully-mechanized mining hydraulic supports 21 of the steeply inclined coal seam are arranged along the working face of a coal face roadway 9, a downward mining type coal mining machine 13 and a scraper conveyor 2 are arranged in the coal face roadway 9 (the n-shaped fully-mechanized mining hydraulic supports 21 of the steeply inclined coal seam mainly support to prevent roof caving and ensure smooth ventilation), one side or two sides of the scraper conveyor 2 are respectively connected with a corresponding roof side supporting beam 13 or a corresponding bottom plate side supporting beam 16 through hydraulic oil cylinders, and the distance between the downward mining type coal mining machine 13 and the n-shaped fully-mechanized mining hydraulic supports 21 of the steeply inclined coal seam can be adjusted through the hydraulic oil cylinders (the hydraulic oil cylinders realize position adjustment through pushing or pulling actions).
When the coal seam is thick (the thickness of the coal seam is more than 2 meters), all the coal with one cut depth on the working face is extracted by downwards cutting the cutting rollers 4 on the left side and the right side of the downward mining type coal mining machine 13 and leftwards and rightwards moving the scraper conveyor 2. When coal below the roof side supporting beam 20 and the floor side supporting beam 16 is to be mined, the support roof side supporting beam 20 appropriately contracts the telescopic legs 6, the cutting drum 4 of the coal mining machine cuts and mines coal at the lower part of the telescopic legs 6, the telescopic legs 6 of the support roof side supporting beam 20 extend after mining, the pushing cylinder 23 connected with the scraper conveyor 2 through the support roof side supporting beam 1 pushes the scraper conveyor 2 to the cut working face at the lower part of the step after mining for a certain width, the mining continues towards the direction of the support floor side supporting beam 20, when coal at the lower part of the support floor side supporting beam 20 is mined, the support floor side supporting beam 20 appropriately contracts the telescopic legs 6, and the cutting drum 4 of the coal mining machine cuts and mines coal at the lower part of the telescopic legs 6. The telescoping legs 6 of the support beams 4 on the roof side of the support post-mine roof extend. The n-shaped fully-mechanized coal mining hydraulic support 21 of the steeply inclined coal seam on the working face after all the cut coal on the working face is mined is sequentially decompressed from bottom to top, the telescopic leg descending support is retracted, and the support finishing support descends for a working distance in the direction of the drawing (102). The support A is pulled upwards by the oil cylinder, the top plate 11 and the bottom plate 12 are tightly supported by the support A, the supporting upright post 17 of the support B is properly decompressed, the support A is adopted to pull the support B to move upwards to realize the movement of the support B to the arrow direction of the drawing (101), the method is adopted to ensure that the n-shaped fully-mechanized mining hydraulic support 21 of the steeply inclined coal seam of the working face moves upwards by a working distance integrally, thereby realizing the movement of the n-shaped fully-mechanized mining hydraulic support 21 of the steeply inclined coal seam generally to the arrow direction of the drawing (103), realizing the coal recovery and the whole mining of the working face by continuously moving the n-shaped fully-mechanized mining hydraulic support 21 of the steeply inclined coal seam of the working face to the arrow direction of the drawing (103), avoiding the n-shaped fully-mechanized mining hydraulic support 21 of the steeply inclined coal seam at the lower part from jumping into the transportation chute 10 in the working process, avoiding the n-shaped fully-, the working efficiency is improved. The n-shaped fully-mechanized mining hydraulic support 21 of the steeply inclined coal seam moves in the direction (103) as a whole through the comprehensive movement in the two directions, the coal on the working face is fully mined by continuously moving the n-shaped fully-mechanized mining hydraulic support 21 of the steeply inclined coal seam in the direction (103) in the arrow direction, and the n-shaped fully-mechanized mining hydraulic support 21 of the steeply inclined coal seam on the lower portion can be effectively prevented from falling into the transportation crossheading 10 and being inverted to the return air crossheading 8 through the method.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (5)
1. A downward mining type coal mining machine is characterized by comprising a coal mining machine body, a coal mining machine rocker arm and a coal mining machine cutting roller, wherein the coal mining machine cutting roller is arranged on one side of the coal mining machine body, and is connected with the coal mining machine body through the coal mining machine rocker arm and can swing up and down in a reciprocating mode.
2. a downward mining shearer according to claim 1, wherein the shearer body is provided with shearer cutting drums on a side thereof adjacent the roof.
3. A downward mining shearer according to claim 1, wherein the shearer body is provided with shearer cutting drums on a side thereof adjacent the floor.
4. A downward mining shearer according to claim 1, wherein the shearer body is provided with shearer cutting drums on a side adjacent to the roof and on a side adjacent to the floor, respectively.
5. A complete set of equipment using a down-mining coal mining machine according to any one of claims 1 to 4, comprising a down-mining coal mining machine, a scraper conveyor and a plurality of n-shaped fully-mechanized coal mining hydraulic supports for steeply inclined coal seams arranged along a working face, wherein a coal mining machine body of the down-mining coal mining machine is positioned on the scraper conveyor and can move along the scraper conveyor, the down-mining coal mining machine and the scraper conveyor are positioned in the fully-mechanized coal mining hydraulic supports for steeply inclined coal seams, the fully-mechanized coal mining hydraulic supports for steeply inclined coal seams comprise a roof side supporting beam positioned on a roof side, a goaf covering beam, a goaf hinge beam, a floor side supporting beam positioned on a floor side and a vertical column, the goaf is hinged with the roof side hinge beam, the roof side supporting beam, the goaf covering beam, the goaf hinge beam and the floor side supporting beam are hinged to form a support with an n-shaped structure, at least one row of supporting columns are arranged between the top plate side supporting beam and the bottom plate side supporting beam, each row of supporting columns comprises two supporting columns which are arranged in parallel, telescopic legs used for lifting a support are arranged at the lower parts of the top plate side supporting beam and the bottom plate side supporting beam, the top plate side supporting beams of two adjacent steeply inclined coal beds n-shaped fully-mechanized mining hydraulic supports are connected together through a left pull frame oil cylinder, the bottom plate side supporting beams of two adjacent steeply inclined coal beds n-shaped fully-mechanized mining hydraulic supports are connected together through a right pull frame oil cylinder, and pushing oil cylinders used for pushing a scraper conveyor are arranged at the lower parts of the top plate side supporting beam and the bottom plate side supporting beam.
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| CN201910883629.8A CN110566199A (en) | 2019-09-18 | 2019-09-18 | Downward mining coal mining machine and matching device |
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| CN201910883629.8A CN110566199A (en) | 2019-09-18 | 2019-09-18 | Downward mining coal mining machine and matching device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459780A (en) * | 2020-10-27 | 2021-03-09 | 新疆矿源重工科技有限公司 | Fully-mechanized mining method for highly-inclined coal seam horizontal support |
| CN112459832A (en) * | 2020-10-27 | 2021-03-09 | 梁晖勇 | Scraper conveyor, double-rack-rail scraper conveyor and coal mining device |
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| CN102251774A (en) * | 2011-06-28 | 2011-11-23 | 河南理工大学 | Fully mechanized coal mining method combining steeply inclined long-wall drilling type coal mining machine with hydraulic shield type supports |
| RU2519096C1 (en) * | 2013-03-12 | 2014-06-10 | Федеральное государственное бюджетное учреждение науки Институт угля Сибирского отделения Российской академии наук (ИУ СО РАН) | Section of lining of mining face of steeply inclined seam with device of coal output of interlayer patch |
| CN203742644U (en) * | 2013-12-27 | 2014-07-30 | 重庆天巨承机械制造有限责任公司 | Hydraulic shield support for steep dip medium-thickness coal seam |
| CN106555591A (en) * | 2016-10-28 | 2017-04-05 | 黑龙江科技大学 | Thin and middle thick half-edge coal seam fully mechanized coal winning technology and equipment |
| CN206329337U (en) * | 2016-12-23 | 2017-07-14 | 平安煤炭开采工程技术研究院有限责任公司 | The coal mining system of half-edge coal seam |
| CN208122848U (en) * | 2018-04-25 | 2018-11-20 | 湖南科技大学 | A kind of half-edge coal seam mechanical coal mining device based on the horizontal coal plough of chain haulage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112459780A (en) * | 2020-10-27 | 2021-03-09 | 新疆矿源重工科技有限公司 | Fully-mechanized mining method for highly-inclined coal seam horizontal support |
| CN112459832A (en) * | 2020-10-27 | 2021-03-09 | 梁晖勇 | Scraper conveyor, double-rack-rail scraper conveyor and coal mining device |
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