CN211874491U - Novel steeply inclined coal seam combines and adopts working face tunnel structure - Google Patents
Novel steeply inclined coal seam combines and adopts working face tunnel structure Download PDFInfo
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- CN211874491U CN211874491U CN202020452559.9U CN202020452559U CN211874491U CN 211874491 U CN211874491 U CN 211874491U CN 202020452559 U CN202020452559 U CN 202020452559U CN 211874491 U CN211874491 U CN 211874491U
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Abstract
The utility model discloses a novel steeply inclined coal seam is combined and is adopted working face tunnel structure, including the coal seam, the coal seam is the inclined plane of slope, the coal seam bottom is the horizontal plane, the coal seam is an with the contained angle of horizontal plane, the coal seam right side is equipped with the massif, it opens the eye to be equipped with between coal seam and the massif to combine to adopt the working face, it is equipped with longitudinal arrangement's track crossheading to combine to adopt working face open eye top, the track crossheading with combine to adopt the working face open eye to communicate each other, it is equipped with the circular arc changeover portion to combine to adopt working face open eye ground portion, the circular arc changeover portion bends to the left side, circular arc changeover portion bottom is equipped with the gentle slope section, the gentle slope section extends to the left side, the slope section slope is arranged, the bottom of gentle slope section is equipped with longitudinal arrangement's transportation crossheading. The utility model has the advantages that: not only can improve the overall stability of the equipment, but also can reduce the accidents of conveyor blocking.
Description
Technical Field
The utility model belongs to the technical field of mining, concretely relates to novel steeply inclined coal seam combines adopts working face tunnel structure.
Background
The steeply inclined coal seam is an operation environment which is not frequently encountered in coal mining work, the mining channel with the same angle as the steeply inclined coal seam is mostly adopted for mining of the steeply inclined coal seam at present, the steeply inclined coal seam is large in fully-mechanized mining working face inclination angle and poor in equipment stability, the stress condition inside the steeply inclined coal seam is complex, the mining is difficult, great potential safety hazards exist, in addition, mined coal falls down naturally along the mining channel and is accumulated at the bottom of the mining channel, head coal is easily pulled back by the conveyor, and the conveyor is prevented from being dead.
In order to realize automation of fully mechanized top coal caving of a fully mechanized coal mining working face of a steep coal seam, improve coal recovery rate, shorten construction period, accelerate project progress, and realize win-win of safe production and economic effect, people always search for a new fully mechanized coal mining working face roadway arrangement structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel steeply inclined coal seam combines and adopts working face tunnel structure can not only improve equipment overall stability, can also reduce the conveyer and hinder dead accident.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a novel steeply inclined coal seam fully-mechanized coal mining face roadway structure comprises a coal seam, wherein the coal seam is an inclined plane, the bottom of the coal seam is a horizontal plane, an included angle between the coal seam and the horizontal plane is a, a mountain body is arranged on the right side of the coal seam, a fully-mechanized coal mining face cutting hole is arranged between the coal seam and the mountain body, the fully-mechanized coal mining face cutting hole is obliquely arranged, the inclination of the fully-mechanized coal mining face cutting hole is matched with the coal seam, a longitudinally-arranged track crossheading is arranged at the top of the fully-mechanized coal mining face cutting hole, the track crossheading is communicated with the fully-mechanized coal mining face cutting hole, an arc transition section is arranged at the ground of the fully-mechanized coal mining face cutting eye, the arc transition section bends towards the left side, a slowly inclined section is arranged at the bottom of the arc transition section, the slowly inclined section extends towards the left side, the slowly inclined section is obliquely arranged, an included angle c between the slowly inclined section and the, the scraper conveyor is arranged in the cutting hole, the arc transition section and the gentle inclination section of the fully mechanized mining face, the rubber belt conveyor is arranged in the conveying gateway, the gap between the bottom surface of the scraper conveyor and the bottom surface of the conveying gateway is h, the horizontal distance between the left side surface of the scraper conveyor and the central line of the rubber belt conveyor is b, the scraper conveyor is communicated with the conveying gateway, and the position of the left side surface of the scraper conveyor corresponds to the position of the rubber belt conveyor.
Furthermore, a hydraulic support is arranged in the cutting hole of the fully mechanized mining face.
Further, the belt conveyor inside the transporting gate is arranged longitudinally.
Furthermore, a coal mining machine and a coal mining machine rail are arranged in the cutting hole of the fully mechanized mining face, and the coal mining machine moves along the coal mining machine rail.
Furthermore, a transportation track is arranged in the track crossheading, one end of the track crossheading is communicated with the cutting hole of the fully mechanized mining face, the other end of the track crossheading is communicated with the outside, one end of the transportation crossheading is communicated with the scraper conveyor, and the other end of the transportation crossheading is communicated with the outside.
Compared with the prior art, the beneficial effects of the utility model are that:
in the utility model, by arranging the arc transition section and the slow inclination section, the inclination degree of the cutting hole of the fully mechanized coal mining face is slowed down, the stability of the hydraulic support is improved, and the overall stability of the equipment is improved;
the clearance between the bottom surface of the scraper conveyor and the bottom surface of the transportation crossheading is set and the clearance is h, the horizontal distance between the left side surface of the scraper conveyor and the middle part of the rubber belt conveyor is b, the reasonable unloading distance and the unloading height between the rubber belt conveyor and the scraper conveyor are increased, the smoothness of coal transportation in production is ensured, and the conveyor blocking accident caused by the fact that the conveyor pulls back the first coal is effectively prevented and reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a transportation gate portion.
In the figure: 1. the method comprises the steps of cutting holes on a fully mechanized mining face, 2, a track gate way, 3, a transportation gate way, 4, a sharp inclined section, 5, an arc transition section, 6, a slow inclined section, 7, a coal bed, 8, a scraper conveyor, 9, a horizontal plane and 10, a mountain.
Detailed Description
Example (b): as shown in fig. 1 and 2, the mining device comprises a coal seam 7, the coal seam 7 is an inclined plane, the bottom of the coal seam 7 is a horizontal plane 9, an included angle a between the coal seam 7 and the horizontal plane 9 is provided, a mountain 10 is arranged on the right side of the coal seam 7, a fully mechanized mining face cutting eye 1 is arranged between the coal seam 7 and the mountain 10, the fully mechanized mining face cutting eye 1 is arranged in an inclined manner, the inclination of the fully mechanized mining face cutting eye 1 is matched with that of the coal seam 7, a longitudinally arranged track gateway 2 is arranged at the top of the fully mechanized mining face cutting eye 1, the track gateway 2 is communicated with the fully mechanized mining face cutting eye 1, an arc transition section 5 is arranged at the bottom of the fully mechanized mining face cutting eye 1, the arc transition section 5 is bent to the left side, a slowly inclined section 6 is arranged at the bottom of the arc transition section 5, the slowly inclined section 6 extends to the left side, the slowly inclined section 6 is arranged in an inclined manner, the included angle c between the slowly inclined section 6 and the horizontal plane 9 is smaller than the angle, the fully mechanized mining face is provided with a cutting hole 1, an arc transition section 5 and a gentle slope section 6, a scraper conveyor 8 is arranged in the conveying gateway 3, a gap between the bottom surface of the scraper conveyor 8 and the bottom surface of the conveying gateway 3 is h, the horizontal distance between the left side surface of the scraper conveyor 8 and the center line of the scraper conveyor is b, the scraper conveyor 8 is communicated with the conveying gateway 3, and the position of the left side surface of the scraper conveyor 8 corresponds to the position of the scraper conveyor.
A hydraulic support is arranged in the fully mechanized mining face cutting hole 1, a coal mining machine and a coal mining machine rail are arranged in the fully mechanized mining face cutting hole 1, the coal mining machine moves along the coal mining machine rail, a transportation rail is arranged in the rail gate way 2, one end of the rail gate way 2 is communicated with the fully mechanized mining face cutting hole 1, the other end of the rail gate way is communicated with the outside, one end of the transportation gate way 3 is communicated with the scraper conveyor 8, and the other end of the transportation gate way is communicated with the outside.
The working process is as follows: in the cutting hole 1 of the fully mechanized mining face, the utility model is operated, the dip angle of the cutting hole 1 of the fully mechanized mining face is a, the dip angle of the gentle slope section 6 is c, and the angle of the arc transition section 5 is the difference between the two dip angles, namely a-c; the number of the hydraulic supports is determined according to the length of the working face, and the hydraulic supports fix the cutting holes 1 and the slowly inclined sections 6 of the fully mechanized mining face; the hydraulic supports in the arc transition section 5 are perpendicular to the bottom surface of the arc transition section 5, the number of the hydraulic supports is 10, the fully mechanized mining face cutting holes 1 and the gentle slope sections 6 are internally provided with the transition hydraulic supports, and the problem of poor stability of equipment of the steeply-inclined working face is converted into the gentle slope working face to be solved by adopting the arrangement mode of 'steeply-inclined-arc transition-gentle slope', so that the stress state of the hydraulic supports is fundamentally improved.
When the utility model works, the track crossheading 2 is positioned at the bottom of the coal seam 7, and the central line of the roadway is positioned at the bottom of the coal seam 7; the transportation crossheading 3 is positioned at the top of the coal seam 7, and the upper corner of the side wall close to the working face is over against the top of the coal seam 7, so that the coal extraction rate is improved, and a large amount of resources are saved.
The utility model discloses the during operation, according to the coal natural pile angle of mining confirm the reasonable uninstallation distance d and the high h of uninstallation of conveyer, guarantee the unblocked of coal transportation in the production.
Claims (5)
1. The utility model provides a novel steeply inclined coal seam is combined and is adopted working face tunnel structure which characterized in that: the coal mining machine comprises a coal bed (7), wherein the coal bed (7) is an inclined plane, the bottom of the coal bed (7) is a horizontal plane (9), an included angle a between the coal bed (7) and the horizontal plane (9) is provided, a mountain body (10) is arranged on the right side of the coal bed (7), a fully mechanized mining working face mining cutting hole (1) is arranged between the coal bed (7) and the mountain body (10), the fully mechanized mining working face mining cutting hole (1) is obliquely arranged, the inclination of the fully mechanized mining working face mining cutting hole (1) is matched with the coal bed (7), a longitudinally arranged track crossheading (2) is arranged at the top of the fully mechanized mining working face mining cutting hole (1), the track crossheading (2) is communicated with the fully mechanized mining working face mining cutting hole (1), an arc transition section (5) is arranged at the bottom of the fully mechanized mining working face mining cutting hole (1), the arc transition section (5) is bent to the left side, a slow inclination section (6) is arranged at the bottom of, the gentle slope section (6) slope is arranged, the contained angle of gentle slope section (6) and horizontal plane (9) is c, the angle of c is less than the angle of a, the bottom of gentle slope section (6) is equipped with longitudinal arrangement's transportation crossheading (3), combine and adopt working face to open cut hole (1), circular arc changeover portion (5), the inside scraper conveyor (8) that is equipped with of gentle slope section (6), be equipped with rubber belt conveyor in transportation crossheading (3), scraper conveyor (8) bottom surface is h with transportation crossheading (3) bottom surface clearance, scraper conveyor (8) left surface is b with rubber belt conveyor central line horizontal distance, scraper conveyor (8) are linked together with transportation crossheading (3), scraper conveyor (8) left surface position corresponds with rubber belt conveyor position.
2. The novel steeply inclined coal seam fully mechanized coal mining face roadway structure of claim 1, wherein: a hydraulic support is arranged in the cutting hole (1) of the fully mechanized mining face.
3. The novel steeply inclined coal seam fully mechanized coal mining face roadway structure of claim 1, wherein: the rubber belt conveyor in the transportation gate way (3) is arranged longitudinally.
4. The novel steeply inclined coal seam fully mechanized coal mining face roadway structure of claim 1, wherein: a coal cutter and a coal cutter rail are arranged in the fully mechanized mining face cutting hole (1), and the coal cutter moves along the coal cutter rail.
5. The novel steeply inclined coal seam fully mechanized coal mining face roadway structure of claim 1, wherein: a transportation track is arranged in the track crossheading (2), one end of the track crossheading (2) is communicated with the fully mechanized coal mining face cutting hole (1), the other end of the track crossheading is communicated with the outside, one end of the transportation crossheading (3) is communicated with the scraper conveyor (8), and the other end of the transportation crossheading is communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452559.9U CN211874491U (en) | 2020-04-01 | 2020-04-01 | Novel steeply inclined coal seam combines and adopts working face tunnel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452559.9U CN211874491U (en) | 2020-04-01 | 2020-04-01 | Novel steeply inclined coal seam combines and adopts working face tunnel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211874491U true CN211874491U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020452559.9U Active CN211874491U (en) | 2020-04-01 | 2020-04-01 | Novel steeply inclined coal seam combines and adopts working face tunnel structure |
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| Country | Link |
|---|---|
| CN (1) | CN211874491U (en) |
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2020
- 2020-04-01 CN CN202020452559.9U patent/CN211874491U/en active Active
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