CN113605962A - Coal bed gas releasing equipment and method - Google Patents
Coal bed gas releasing equipment and method Download PDFInfo
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- CN113605962A CN113605962A CN202110990798.9A CN202110990798A CN113605962A CN 113605962 A CN113605962 A CN 113605962A CN 202110990798 A CN202110990798 A CN 202110990798A CN 113605962 A CN113605962 A CN 113605962A
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- 239000003245 coal Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
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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
- E21C25/56—Slitting by cutter cables or cutter chains or by tools drawn along the working face by cables or the like, in each case guided parallel to the face, e.g. by a conveyor or by a guide parallel to a conveyor
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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
- E21C25/68—Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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Abstract
The invention provides coal seam gas release equipment and a coal seam gas release method, which belong to the technical field of coal seam gas control and comprise a walking platform, wherein a rotary driving mechanism is arranged on the walking platform, an output shaft of the rotary driving mechanism faces upwards, a main driving wheel is arranged on the output shaft, a supporting frame is arranged on the walking platform, a maintaining body is transversely arranged at the upper part of the supporting frame, the main driving wheel is positioned at one end side of the maintaining body, a driven wheel is rotatably arranged at the other end of the maintaining body, transmission between the main driving wheel and the driven wheel is realized through an annular circulating knife belt, and the maintaining body is positioned at the inner side of the annular circulating knife belt and used for providing support and maintenance for the annular circulating knife belt. The invention can replace the existing gas treatment technology of densely arranged gas extraction drill holes, greatly reduces the treatment cost of coal seam gas, reduces the human input, adopts mechanical continuous cutting coal seams, increases the effective area of the drill holes, enables the pressure relief of the coal seams to be easier, has better coal seam air permeability, is beneficial to quickly releasing the gas, and has good treatment benefit and high economic value.
Description
Technical Field
The invention relates to the technical field of coal bed gas control, in particular to coal bed gas release equipment and a coal bed gas release method.
Background
The coal mine gas comprehensive treatment work is the central importance of the mine safety production work, and the coal mine gas treatment work is an important measure for protecting the life and property safety of miners and constructing harmonious coal mines. The most common means for treating coal mine underground gas in China is a mode of arranging dense drill holes, and most of the existing coal seam gas extraction methods are to extract gas existing in a coal seam by leading in a negative pressure pipeline after drilling, so that the gas concentration is reduced, and the production safety in the process of exploiting the coal seam at the later stage is ensured. The common method for arranging the dense gas extraction drill holes is accompanied by the processes of hydraulic flushing, high-pressure fracturing, cave-making and the like, so that the process is complicated, the labor intensity is high, a large amount of manpower, material resources and financial resources are required to be consumed, the gas treatment cost is continuously increased, the labor intensity is higher, the hole diameter of the drill hole is limited, the effective area of gas released by a coal seam is smaller, the gas is slowly desorbed in the coal seam, and the general extraction period is very long.
Therefore, a revolutionary and subversive new process technology capable of replacing coal mine gas treatment with low cost and matched high-performance mining mechanical equipment are urgently needed to be found.
Disclosure of Invention
In view of the above, the invention provides coal seam gas release equipment and a coal seam gas release method, which can replace the existing gas treatment technology for arranging dense gas extraction drill holes, greatly reduce the treatment cost of coal seam gas, reduce the labor input, and increase the effective area of the coal seam compared with that of the drill holes by adopting mechanical continuous cutting, so that the pressure relief of the coal seam is easier, the air permeability of the coal seam is better, the rapid release of gas is facilitated, the treatment benefit is good, and the economic value is high.
In order to solve the technical problems, the invention provides coal bed gas release equipment which comprises a walking platform, wherein a rotary driving mechanism is arranged on the walking platform, an output shaft of the rotary driving mechanism faces upwards, a main driving wheel is arranged on the output shaft, a supporting frame is arranged on the walking platform, a maintaining body is transversely arranged on the upper portion of the supporting frame, the main driving wheel is positioned at one end side of the maintaining body, a driven wheel is rotatably arranged at the other end of the maintaining body, transmission is realized between the main driving wheel and the driven wheel through an annular circulating knife belt, and the maintaining body is positioned on the inner side of the annular circulating knife belt and used for supporting and maintaining the annular circulating knife belt.
Furthermore, a rotary platform is arranged on the walking platform, and the rotary driving mechanism and the supporting frame are arranged on the rotary platform.
Furthermore, the rotary platform is a hydraulic drive type rotary platform, or an electric drive type rotary platform, or a pneumatic drive type rotary platform.
Further, annular circulation sword area includes the annular area body, the surface of the annular area body is provided with the profile of tooth blade along its circumference, the internal surface of the annular area body is a pair of gib block of parallel arrangement along its circumference.
Furthermore, the holding body comprises a holding frame transversely arranged on the upper part of the supporting frame, the holding frame is square, the driven wheel is rotatably arranged at the outer end part of the holding frame, two side surfaces of the holding frame, which are contacted with the annular circulating knife belt, are rotatably provided with first rolling wheels, and the first rolling wheels are provided with guide grooves matched with the guide strips.
Furthermore, the first rolling wheels are respectively and rotatably arranged on the two side surfaces of the retainer in rows and are in contact with the annular circulating knife belt.
Furthermore, two side surfaces of the retainer, which are not in contact with the annular circulating knife belt, are rotatably provided with second rolling wheels, and the outer ends of the second rolling wheels extend out of the retainer.
Furthermore, two side surfaces of the retainer, which are not in contact with the annular circulating knife belt, are arranged into a plurality of parallel mounting areas, and a second rolling wheel is rotatably arranged in each mounting area.
Further, the rotary driving mechanism comprises a driving motor and a speed reducer, the driving motor is in transmission connection with the input end of the speed reducer through a coupler, and the main driving wheel is arranged at the output end of the speed reducer.
Furthermore, the walking platform adopts a hydraulic walking platform, or an electric walking platform, or a pneumatic walking platform.
Further, an operating workbench is arranged on the walking platform and used for controlling the operation of the coal bed gas releasing equipment.
Furthermore, an automatic lifting platform is arranged on the walking platform, and the rotary platform, the rotary driving mechanism and the supporting frame are all arranged on the automatic lifting platform.
Furthermore, the automatic lifting platform adopts a hydraulic lifting platform, an electric lifting platform or a pneumatic lifting platform.
In addition, the invention also provides a coal seam gas release method, which comprises the following steps:
step S1, excavating a roadway on the side surface of the coal seam to be treated;
s2, moving the coal bed gas release equipment into a roadway;
s3, adjusting the angle of the annular circulating knife belt by utilizing the horizontal rotation of the rotary platform, so that the annular circulating knife belt is positioned at the end part of the coal bed to be treated while the walking platform is positioned in the roadway;
s4, adjusting the height of the annular circulating cutter belt by utilizing the lifting function of the automatic lifting platform to meet the requirement of the seam cutting height;
step S5, starting a rotary driving mechanism to drive the annular circulating cutter belt to rotate, and starting coal seam cutting operation;
and step S6, starting the walking platform to enable the walking platform to move forward along the roadway on the side face of the coal seam to be treated, and continuously performing coal seam slotting until slotting operation is completed.
The technical scheme of the invention has the following beneficial effects:
1. when the coal seam gas is released, the single-side roadway opening is adopted, so that the roadway opening cost can be reduced;
2. when the gas releasing device is adopted to release gas in the coal seam, only the seam is required to be cut in the coal seam, the seam has certain thickness, the effective area of the gas released by the coal seam can be increased, the coal seam desorption of the gas is accelerated, the gas extraction period is shortened, the thickness of the seam is very small relative to the thickness of the coal seam, the disturbance or the damage to the coal body can not be caused, the coal seam is fully decompressed, and the outburst prevention effect is better;
3. when the gas drainage drilling machine is used for cutting a seam, one cutting seam only needs to be drilled once, and the follow-up work is translational cutting, so that the problem that the traditional gas treatment technology for densely arranging gas drainage drilling holes needs to drill frequently is solved, and the operation is simpler, more convenient and more effective.
Drawings
FIG. 1 is a schematic structural front view of a coal bed gas releasing apparatus according to the present invention;
FIG. 2 is a schematic top view of a coal bed gas releasing apparatus according to the present invention;
FIG. 3 is a schematic structural section view of an endless circulating belt according to the present invention;
fig. 4 is a schematic view of a retaining body according to the present invention;
FIG. 5 is a schematic view showing an assembly structure of the holding body and the endless circulating band according to the present invention;
reference numerals:
a walking platform 1;
a rotation driving mechanism 2;
a drive motor 2 a;
a speed reducer 2 b;
a main driving wheel 3;
a support frame 4;
a holding body 5;
a driven wheel 6;
an annular circulating knife belt 7;
a rotary platform 8;
an endless belt body 9;
a toothed blade 10;
a guide strip 11;
a cage 12;
a first rolling wheel 13;
a guide groove 14;
a second rolling wheel 15;
a mounting area 16;
an operation table 17;
the platform 18 is automatically lifted.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
As shown in fig. 1-5: the utility model provides a coal seam gas release equipment, includes the walking platform, be provided with rotary driving mechanism on the walking platform, rotary driving mechanism's output shaft is towards the top, just be provided with the main drive wheel on the output shaft, be provided with the support frame on the walking platform, the upper portion of support frame transversely is provided with the maintenance body, the main drive wheel is located the one end side of maintenance body, the other end of maintenance body is rotated and is provided with from the driving wheel, the main drive wheel with realize the transmission through annular circulation sword area between the driving wheel, the maintenance body is located the inboard of annular circulation sword area is used for doing annular circulation sword area provides support and keeps.
Specifically, as shown in fig. 1 and fig. 2, a coal bed gas releasing device includes a walking platform 1, a rotary driving mechanism 2 is arranged on the walking platform 1, an output shaft of the rotary driving mechanism 2 faces upward, a main driving wheel 3 is arranged on the output shaft, a supporting frame 4 is arranged on the walking platform 1, a holding body 5 is transversely arranged on the upper portion of the supporting frame 4, the main driving wheel 3 is located at one end side of the holding body 5, a driven wheel 6 is arranged at the other end of the holding body 5 in a rotating manner, transmission is realized between the main driving wheel 3 and the driven wheel 6 through an annular circulating knife belt 7, and the holding body 5 is located on the inner side of the annular circulating knife belt 7 and is used for providing support and holding for the annular circulating knife belt 7.
According to another embodiment of the present invention, as shown in fig. 1, in order to improve the applicability of the present invention and facilitate the adjustment of the angles of the rotation driving mechanism 2 and the supporting frame 4 as required, a revolving platform 8 is disposed on the walking platform 1, and the rotation driving mechanism 2 and the supporting frame 4 are both disposed on the revolving platform 8. In this embodiment, after the rotary driving mechanism 2 and the support frame 4 are both arranged on the rotary platform 8, the rotary platform drives the rotary driving mechanism and the support frame to rotate under the non-working state so that the annular circulating knife belt is in a state parallel to the walking platform, and drives the rotary driving mechanism and the support frame to rotate when working so that the annular circulating knife belt is at the end of the coal seam to be slit.
According to another embodiment of the present invention, the rotary platform 8 is a hydraulically driven rotary platform 8, in this embodiment, the rotary platform 8 is used to drive the rotary driving mechanism 2 and the supporting frame 4 to rotate, when the rotary platform is in a non-working state, the rotary driving mechanism and the supporting frame are driven by the rotary platform to rotate, so that the annular circulating knife belt is in a state parallel to the walking platform, and when the rotary platform is in a working state, the rotary driving mechanism and the supporting frame are driven to rotate, so that the annular circulating knife belt is in an end portion of the coal seam to be slit, obviously, the rotary platform 8 may be of other types, such as an electrically driven rotary platform or a pneumatically driven rotary platform, which can also achieve the same effect.
According to another embodiment of the present invention, as shown in fig. 3 and 1, the endless circulating knife belt 7 includes an endless belt body 9, the outer surface of the endless belt body 9 is provided with toothed blades 10 along the circumferential direction thereof, and the inner surface of the endless belt body 9 is provided with a pair of guide strips 11 in parallel along the circumferential direction thereof. In this embodiment, after the annular circulating knife belt adopts the above structure, the annular belt body 9 is driven by the main driving wheel 3 to rotate, and then the tooth-shaped blade 10 on the annular belt body 9 is driven to move at a high speed, so as to perform a seam cutting operation on a coal seam.
According to another embodiment of the present invention, as shown in fig. 4 and fig. 1, the holding body 5 is used for supporting and holding the endless circulating knife belt 7, in this embodiment, the holding body 5 comprises a holding frame 12 transversely arranged at the upper part of the supporting frame 4, the holding frame 12 is in a square frame shape, the driven wheel 6 is rotatably arranged at the outer end part of the holding frame 12, the two side surfaces of the holding frame 12, which are contacted with the endless circulating knife belt 7, are rotatably provided with first rolling wheels 13, and the first rolling wheels 13 are provided with guide grooves 14 matched with the guide bars 11. It is apparent that the structure of the holding body 5 is not limited to the above structure, and a simple structure including only the holding frame may be employed.
According to another embodiment of the present invention, as shown in fig. 1, in order to make the friction force during the relative sliding between the endless circulating knife belt 7 and the holder 12 smaller, to reduce the energy consumption and to improve the working efficiency, the first rolling wheels 13 are respectively rotatably arranged in rows on two side surfaces of the holder 12, which are in contact with the endless circulating knife belt 7. That is, the number of the first rolling wheels 13 is plural, and the first rolling wheels are rotatably arranged in a row on both side surfaces of the holder 12 which are in contact with the endless circulating blade belt 7.
According to another embodiment of the present invention, as shown in fig. 4 and 2, in order to reduce the friction between the upper and lower surfaces of the annular circulating cutter belt 7 and the coal seam, so that the annular circulating cutter belt can cut the coal seam more smoothly, second rolling wheels 15 are rotatably disposed on two side surfaces of the holder 12, which are not in contact with the annular circulating cutter belt 7, and the outer ends of the second rolling wheels 15 extend out of the holder 12.
According to another embodiment of the invention, as shown in fig. 2, in order to improve the pressure resistance of the second rolling wheel 15 and avoid the increase of deflection caused by the overlarge length, two side surfaces of the holding frame 12, which are not in contact with the annular circulating knife belt 7, are arranged into 8 side-by-side mounting areas 16, and the second rolling wheel 15 is rotatably arranged in each mounting area 16. Specifically, the number of the mounting areas 16 may be set according to the length of the slit, that is, the length of the endless circulating blade belt.
According to another embodiment of the present invention, as shown in fig. 1, the rotary driving mechanism 2 includes a driving motor 2a and a speed reducer 2b, the driving motor 2a is in transmission connection with an input end of the speed reducer 2b through a coupling, and the main driving wheel 3 is disposed on an output end of the speed reducer 2 b.
According to another embodiment of the present invention, the walking platform 1 is a hydraulic walking platform, in this embodiment, the walking platform 1 is used for driving the present invention to move integrally, especially in a roadway of a mine, and obviously, the walking platform 1 is not limited to be a hydraulic walking platform, and may also be another type, such as an electric walking platform or a pneumatic walking platform, which can also achieve the above-mentioned functions and achieve the same or similar effects.
According to another embodiment of the invention, as shown in fig. 1, in order to realize the automatic control of the invention, an operation workbench 17 is arranged on the walking platform 1 and used for controlling the operation of the coal bed gas releasing equipment.
According to another embodiment of the present invention, as shown in fig. 1, an automatic lifting platform 18 is disposed on the walking platform 1, and the revolving platform 8, the rotation driving mechanism 2 and the supporting frame 4 are disposed on the automatic lifting platform 18. In this embodiment, all set up rotary driving mechanism 2 and support frame 4 on walking platform 1 through automatic lifting platform 18, can drive rotary driving mechanism 2 and support frame 4 on upper portion and go up and down in order to realize the adjustment to the height of annular circulation sword area, and then satisfy and select suitable slot height according to the coal seam characteristics.
According to another embodiment of the present invention, the automatic lifting platform 18 is a hydraulic lifting platform, in this embodiment, the automatic lifting platform 18 is used to drive the upper rotary driving mechanism 2 and the supporting frame 4 to lift and lower to adjust the height of the circular circulating knife strip, obviously, the automatic lifting platform 18 is not limited to be a hydraulic lifting platform, and other types, such as an electric lifting platform or a pneumatic lifting platform, can be used to achieve the same effects.
In addition, according to another embodiment of the invention, the invention also provides a coal bed gas release method, which comprises the following steps:
step S1, excavating a roadway on the side surface of the coal seam to be treated;
s2, moving the coal bed gas release equipment into a roadway;
step S3, adjusting the angle of the annular circulating knife belt 7 by utilizing the horizontal rotation of the rotary platform 8, so that the annular circulating knife belt 7 is positioned at the end part of the coal seam to be treated while the walking platform 1 is positioned in the roadway;
step S4, adjusting the height of the annular circulating cutter belt 7 by utilizing the lifting function of the automatic lifting platform 18 to meet the requirement of the seam cutting height;
step S5, starting the rotary driving mechanism 2 to drive the annular circulating knife belt 7 to rotate, and starting coal seam slotting operation;
and step S6, starting the walking platform 1 to make the walking platform advance along the roadway on the side surface of the coal seam to be treated, and continuously performing coal seam slotting until slotting operation is completed.
The invention can replace the existing gas treatment technology of densely arranged gas extraction drill holes, greatly reduces the treatment cost of coal seam gas, reduces the human input, adopts mechanical continuous cutting coal seams, increases the effective area of the drill holes, enables the pressure relief of the coal seams to be easier, has better coal seam air permeability, is beneficial to quickly releasing the gas, and has good treatment benefit and high economic value.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a coal seam gas release equipment which characterized in that: including walking platform (1), be provided with rotary driving mechanism (2) on walking platform (1), the output shaft of rotary driving mechanism (2) is towards the top, just be provided with main drive wheel (3) on the output shaft, be provided with support frame (4) on walking platform (1), the upper portion of support frame (4) transversely is provided with keeps body (5), main drive wheel (3) are located the one end side of keeping body (5), the other end of keeping body (5) rotates and is provided with from driving wheel (6), main drive wheel (3) with realize the transmission through annular circulation sword area (7) between driving wheel (6), keep body (5) be located the inboard of annular circulation sword area (7) is used for doing annular circulation sword area (7) provide support and keep.
2. The coal seam gas releasing equipment as recited in claim 1, wherein: a rotary platform (8) is arranged on the walking platform (1), and the rotary driving mechanism (2) and the supporting frame (4) are arranged on the rotary platform (8).
3. The coal seam gas releasing equipment as recited in claim 2, wherein: the annular circulating knife belt (7) comprises an annular belt body (9), tooth-shaped blades (10) are arranged on the outer surface of the annular belt body (9) along the circumferential direction of the annular belt body, and a pair of guide strips (11) are arranged on the inner surface of the annular belt body (9) in parallel along the circumferential direction of the annular belt body.
4. The coal seam gas releasing equipment as set forth in claim 3, wherein: the holding body (5) comprises a holding frame (12) transversely arranged on the upper portion of the supporting frame (4), the holding frame (12) is square, the driven wheel (6) is rotatably arranged at the outer end portion of the holding frame (12), two side faces, which are arranged on the holding frame (12) and are in contact with the annular circulating knife belt (7), are rotatably provided with first rolling wheels (13), and guide grooves (14) matched with the guide strips (11) are formed in the first rolling wheels (13).
5. The coal seam gas releasing equipment according to claim 4, wherein: two side surfaces of the retainer (12), which are not in contact with the annular circulating knife belt (7), are rotatably provided with second rolling wheels (15), and the outer ends of the second rolling wheels (15) extend out of the retainer (12).
6. The coal seam gas releasing equipment as recited in claim 1, wherein: the rotary driving mechanism (2) comprises a driving motor (2a) and a speed reducer (2b), the driving motor (2a) is in transmission connection with the input end of the speed reducer (2b) through a coupler, and the main driving wheel (3) is arranged on the output end of the speed reducer (2 b).
7. The coal seam gas releasing equipment as recited in claim 1, wherein: the walking platform (1) adopts a hydraulic walking platform, an electric walking platform or a pneumatic walking platform.
8. The coal seam gas releasing equipment as recited in claim 1, wherein: an operation workbench (17) is arranged on the walking platform (1) and used for controlling the operation of the coal bed gas release equipment.
9. The coal seam gas releasing equipment as recited in claim 2, wherein: an automatic lifting platform (18) is arranged on the walking platform (1), and the rotary platform (8), the rotary driving mechanism (2) and the support frame (4) are arranged on the automatic lifting platform (18).
10. A coal bed gas release method is characterized by comprising the following steps:
step S1, excavating a roadway on the side surface of the coal seam to be treated;
s2, moving the coal bed gas release equipment into a roadway;
s3, adjusting the angle of the annular circulating knife belt (7) by utilizing the horizontal rotation of the rotary platform (8), so that the annular circulating knife belt (7) is positioned at the end part of the coal bed to be treated while the walking platform (1) is positioned in the roadway;
s4, adjusting the height of the annular circulating cutter belt (7) by utilizing the lifting function of the automatic lifting platform (18) to meet the requirement of the seam cutting height;
step S5, starting the rotary driving mechanism (2) to drive the annular circulating knife belt (7) to rotate, and starting coal seam slotting operation;
and S6, starting the walking platform (1) to make the walking platform advance along the roadway on the side face of the coal seam to be treated, and continuously performing coal seam slotting until slotting operation is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110990798.9A CN113605962B (en) | 2021-08-26 | 2021-08-26 | Coal seam gas release equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110990798.9A CN113605962B (en) | 2021-08-26 | 2021-08-26 | Coal seam gas release equipment and method |
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| CN113605962A true CN113605962A (en) | 2021-11-05 |
| CN113605962B CN113605962B (en) | 2024-05-31 |
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| CN206477846U (en) * | 2016-11-24 | 2017-09-08 | 衡阳智华科技有限公司 | Marble exploitation chain arm saw |
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| CN215369932U (en) * | 2021-08-26 | 2021-12-31 | 平顶山市安泰华矿用安全设备制造有限公司 | Coal seam gas releasing equipment |
-
2021
- 2021-08-26 CN CN202110990798.9A patent/CN113605962B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206465Y (en) * | 2008-04-15 | 2009-03-11 | 白海明 | Lifting and rotating coal cutting machine |
| CN102392465A (en) * | 2011-10-27 | 2012-03-28 | 中国矿业大学 | Multi-body discontinuous coal petrography cutting equipment |
| CN103775121A (en) * | 2014-01-20 | 2014-05-07 | 中国矿业大学 | Hydraulic cutting, U-shaped hole slagging and gas treatment method |
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| CN113605962B (en) | 2024-05-31 |
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