CN114810195A - Coal seam gas release device and coal seam tunneling device - Google Patents
Coal seam gas release device and coal seam tunneling device Download PDFInfo
- Publication number
- CN114810195A CN114810195A CN202210485066.9A CN202210485066A CN114810195A CN 114810195 A CN114810195 A CN 114810195A CN 202210485066 A CN202210485066 A CN 202210485066A CN 114810195 A CN114810195 A CN 114810195A
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- gas
- rod
- flexible cover
- diluter
- coal seam
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
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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)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a coal seam gas releasing device and a coal seam tunneling device, and mainly relates to the field of coal seam tunneling. Including the gas diluter, gas inlet department is equipped with adjustable wind gap mechanism, and adjustable wind gap mechanism includes the installing frame, opens mouthful pole, control lever, flexible cover, and the one end that opens mouthful pole is close to the gas air inlet with the installing frame and is articulated, and the both ends of control lever are articulated with the other end that opens mouthful pole respectively, and flexible cover is the open flexible cover body in horn mouth shape and both ends, and the one end of flexible cover is uncovered and gas air inlet intercommunication, and the flexible cover is opened mouthful pole and is realized opening and shutting. The invention has the beneficial effects that: the gas absorption and dilution device can better absorb and dilute the gas at the front end of the work, and improve the operation safety.
Description
Technical Field
The invention relates to the field of coal seam tunneling, in particular to a coal seam gas releasing device and a coal seam tunneling device.
Background
With the improvement of mechanization degree, the coal face is continuously lengthened, the problem of corner gas accumulation on the front face is more and more serious, and high-concentration gas from a goaf is concentrated in the corner gas accumulation, so that a dangerous area is formed. In order to solve the problem, the measures adopted in production comprise that a pipe is inserted into the upper corner gob, high-concentration gas is extracted and discharged to a safety zone by using negative pressure generated by an injection type gas diluter, and a press-in or extract type method is adopted to treat the accumulation of the corner tile systems on the coal face. However, the front working face has complex working conditions under the operation condition, and the spaces on two sides of the tunneling equipment are irregular and greatly changed, so that the pipe orifice is difficult to effectively absorb gas after the pipeline is installed, and the release dilution effect on production is not ideal.
Disclosure of Invention
The invention aims to provide a coal bed gas release device and a coal bed tunneling device, which can better absorb and dilute gas at the front end of work and improve the operation safety.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a coal bed gas releasing device comprises a gas diluter, wherein a gas inlet and a gas outlet are respectively arranged at two ends of the gas diluter, a high-pressure gas access pipe is arranged on the side wall of the gas diluter, an adjustable tuyere mechanism is arranged at the gas inlet, the adjustable tuyere mechanism comprises an installation frame, an opening rod, a control rod and a flexible cover, the opening rod is symmetrically arranged relative to the adjustable tuyere, one end of the opening rod is hinged with one end of the installation frame close to the gas inlet, two ends of the control rod are hinged with the other end of the opening rod respectively, the flexible cover is a flexible cover body which is in a horn-shaped shape and has two open ends, one end of the flexible cover is open and communicated with the gas inlet, the flexible cover is formed by enclosing and closing a fixed sheet, 2 fan-shaped sheets and a movable sheet, and one side of the two fan-shaped sheets is fixedly connected with two sides of the fixed sheet respectively, the other side of the fan-shaped piece is fixedly connected with the two sides of the movable piece respectively, the movable piece corresponds to the fixed piece in size and position, an organ fold is arranged on the fan-shaped piece, one side, connected with the movable piece, of the fan-shaped piece is fixedly connected with the opening rod, the fixed piece is fixed on the mounting frame, and the control rod is fixedly connected with one side, far away from the gas inlet, of the movable piece.
The gas inlet is communicated with a reducer pipe, one end of the reducer pipe is fixedly communicated with the gas inlet in the same diameter mode, the other end of the reducer pipe is provided with a butt joint, the butt joint is a duckbilled pipe orifice with a flat opening, one end of the flexible cover is provided with a connecting port, the connecting port corresponds to the butt joint in size and is fixedly communicated with the butt joint, the other end of the flexible cover is provided with a suction inlet, and the middle of the upper side of the suction inlet is fixedly connected with the control rod.
The mounting frame is vertically mounted in specific application, the mounting frame comprises two mounting rods which are symmetrically arranged in parallel from top to bottom relative to a gas inlet of a gas diluter, the length direction of the mounting rods corresponds to the gas diluter, a tail hinging seat is arranged at one end, close to the gas diluter, of each mounting rod, one end, far away from a control rod, of each opening rod is hinged to the tail hinging seat, a front hinging seat and a rear hinging seat are arranged at one end, far away from the gas diluter, of each mounting rod, a front connecting rod is connected to the front hinging seat in a rotating manner, a rear connecting rod is connected to the rear hinging seat in a rotating manner, a guide rod which can be parallel to the mounting rods is arranged on the outer side of each guide rod, the top ends of the front rotating shaft and the rear rotating shaft are respectively hinged to the outer side of each guide rod, a hydraulic cylinder is hinged to one end, adjacent to the gas diluter, of each mounting rod is hinged to the top end of the corresponding front connecting rod, the inside of guide bar is equipped with the straight flute of sharp extension, the both ends of control lever are equipped with respectively with straight flute notch complex spindle nose.
The control rod is provided with a baffle, and when the control rod falls down, the baffle can shield the suction inlet.
A coal seam tunneling device comprises a body part, wherein the gas release devices are arranged on two sides of the body part.
Compared with the prior art, the invention has the beneficial effects that:
the controllable suction inlet structures can be formed on the two sides of the tunneling equipment, so that the controllable suction inlet structures are closed when the tunneling equipment advances, the controllable suction inlet structures are opened when needed, the opened opening amplitude can be controlled at will, the controllable suction inlet structures are adapted to the conditions of working faces in mines on the two sides, a larger suction range is obtained, the gas at the front end can be sucked better, and the operation safety is improved.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a partial structural schematic diagram of the present invention.
Fig. 4 is a partial structural schematic diagram of the present invention.
Fig. 5 is a partial structural schematic diagram of the present invention.
Fig. 6 is a partial structural schematic diagram of the present invention.
Reference numerals shown in the drawings:
1. a traveling section; 2. a body portion; 3. a carrying section; 4. a cutting part; 5. a gas diluter; 6. a hoop member; 7. a gas inlet; 8. a reducer pipe; 9. installing a frame; 10. mounting a rod; 11. a front hinge base; 12. a rear hinged seat; 13. a tail hinged seat; 14. a front link; 15. a rear connecting rod; 16. a guide bar; 17. a straight groove; 18. a hydraulic cylinder; 19. a lever; 20. a control lever; 21. a mouth opening rod; 22. a baffle plate; 23. a flexible cover; 24. a suction inlet; 25. a cross bar.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The instruments, reagents, materials and the like used in the following examples are conventional instruments, reagents, materials and the like in the prior art and are commercially available in a normal manner unless otherwise specified. Unless otherwise specified, the experimental methods, detection methods, and the like described in the following examples are conventional experimental methods, detection methods, and the like in the prior art.
Example 1: coal seam gas releasing device
Referring to fig. 1 to 6, the gas releasing device of the present example includes a gas diluter 5, an adjustable tuyere mechanism;
the pipe body is sleeved with a hoop member 6, and the gas diluter 5 is fixedly installed through the hoop member 6.
The gas inlet 7 is communicated with a reducer pipe 8, one end of the reducer pipe 8 is fixedly communicated with the gas inlet 7 in the same diameter, the other end of the reducer pipe 8 is provided with a butt joint, and the butt joint is a flat duckbill-shaped pipe orifice.
The adjustable tuyere mechanism comprises a mounting frame 9, and the mounting frame 9 is used for mounting and fixing the mechanism. The length direction of installing frame 9 is unanimous with the extending direction of gas diluter 5, the setting at the front end of gas diluter 5 that the installing frame 9 is in the middle for supplementary gas diluter 5 fully inhales gas.
When the mounting frame 9 is used in a specific mode, the mounting frame is vertically mounted and fixed on two sides of a machine body of the equipment. The mounting frame 9 comprises two mounting rods 10 which are symmetrically arranged up and down in parallel relative to the gas inlet 7 of the gas diluter 5, the length direction of the mounting rods 10 corresponds to the gas diluter 5,
articulated seat 11 and the articulated seat 12 in back before the one end that gas diluter 5 was kept away from to installation pole 10 is equipped with, preceding articulated seat 11 sets up for symmetry about two and relative installing frame 9, articulated seat 12 in back sets up for two and relative installing frame 9 longitudinal symmetry, the one end that installation pole 10 is close to gas diluter 5 is equipped with the articulated seat 13 in afterbody, install preceding pivot on the preceding articulated seat 11, it is connected with preceding connecting rod 14 to rotate on the preceding pivot, install the back pivot on the articulated seat 12 in back, it is connected with back connecting rod 15 to rotate in the back pivot, the preceding pivot is longer than the back pivot to make the money connecting rod be located the outside of back connecting rod 15, the two overlap that can coincide, thereby reduce interference influence in the rotation.
The outer side of the installation rod 10 is provided with a guide rod 16 which can be parallel to the installation rod, the guide rod 16 is also provided with an upper guide rod and a lower guide rod, the upper guide rod and the lower guide rod are respectively positioned on the outer side of the installation rod 10 and are close to or separated from each other relative to the installation rod, the top end of the front rotating shaft and the top end of the rear rotating shaft are respectively hinged on the outer side of the guide rod 16, so that the front connecting rod 14, the rear connecting rod 15 and the guide rod 16 form a parallelogram structure, and the guide rod 16 is restrained from being close to or far away from the installation rod 10 in parallel through the rotation of the front connecting rod 14 and the rear connecting rod 15.
In terms of power control, a hydraulic cylinder 18 is used, the bottom of said hydraulic cylinder 18 being hinged on the rear articulated seat 13, the lever 19 of said hydraulic cylinder 18 being located at the top and the top end of said cylinder rod being hinged on the top of the front connecting rod 14. For actuating the stroke of the guide rod 16.
The inboard of guide bar 16 is equipped with straight line extension's straight flute 17, the length direction of straight flute 17 is unanimous with the length direction of guide bar 16, is equipped with between two guide bars 16 along its length direction sliding fit's control lever 20, the both ends of control lever 20 are equipped with respectively with straight flute 17 notch complex spindle nose, it has a mouthful pole 21 still to articulate on the articulated seat 13 of afterbody, the other end of opening a mouthful pole 21 is articulated with the outer end of control lever 20, and then lifts up through guide bar 16, controls opening a mouthful pole 21 open or closed.
The framework structure of the controllable air port mechanism is realized through the opening rod 21, the control rod 20 and the mounting rod 10. Still be connected with flexible cover 23 on the interface, the one end of flexible cover 23 is equipped with the connector, the connector corresponds and fixed intercommunication with the interface size, the other end of flexible cover 23 is equipped with sunction inlet 24, flexible cover 23 is the tube-shape and encloses through stationary blade, 2 fan-shaped pieces, activity piece and close and form, and flexible cover 23 can use the canvas of taking the picture layer, or flexible material, fabric processing such as sheet rubber obtain. The stationary blade is fixed between two opening poles 21 and installation pole 10, specifically can be at fixed horizontal pole 25 between installation pole 10, fixes the bottom surface of stationary blade on horizontal pole 25, set up the organ fold on the fan-shaped piece, can conveniently expand and draw in like the fan, the avris fixed connection of one side of fan-shaped piece and stationary blade, the opposite side and the movable plate fixed connection of fan-shaped piece, the movable plate corresponds with stationary blade size and position, the both sides of movable plate are opened or are closed up through opening and shutting of fan-shaped piece and relative stationary blade respectively.
Through the structure, the controllable suction inlet 24 structures can be formed on the two sides of the tunneling equipment, so that the tunneling equipment is closed when advancing, is opened when needed, and the opening amplitude of the opening can be controlled at will, so that the tunneling equipment is adaptive to the conditions of working surfaces in mines on the two sides, a larger suction range is obtained, and the front-end gas can be sucked better. The gas diluter 5 is combined, so that the suction range and the inlet can be enlarged, the absorption effect is greatly increased, the space change of the front working face can be adapted, and the operation can be better matched with tunneling.
In order to protect the inlet, a baffle 22 may be further provided on the control lever 20 to shield the suction port 24 when the control lever 20 is dropped and the suction port 24 is closed.
Example 2: coal seam tunneling device
As shown in fig. 1, the overall mechanism adopts a basic structure of existing tunneling equipment, and mainly includes a walking portion 1, the walking portion 1 adopts a crawler structure, a body portion 2 is mounted on the walking portion 1, a carrying portion 3, an electrical system, a lubricating system and a rear support are arranged at the rear portion of the body portion 2, a hydraulic system, a water system and an air source system are loaded on the body portion 2, a cutting portion 4 is mounted at the front end of the body portion 2, and a cutting head is mounted at the front end of the cutting portion 4 and used for tunneling. The structure is a basic structure of the tunneling equipment.
The gas release device of embodiment 1 is installed on both sides of the main body 2 in a loading manner, and the specific installation structure is that the installation frames 9 are fixed on both sides of the main body 2 through bolt pieces, the gas diluter 5 is also fixed on both sides of the main body 2 through the hoop pieces 6, during installation, attention is paid to the fact that the gas diluter 5 is behind, and the suction port 24 is arranged forwards, so that gas on the front working face can be absorbed.
Claims (5)
1. A coal bed gas releasing device comprises a gas diluter, wherein a gas inlet and a gas outlet are respectively arranged at two ends of the gas diluter, and a high-pressure gas access pipe is arranged on the side wall of the gas diluter, and is characterized in that an adjustable tuyere mechanism is arranged at the gas inlet and comprises an installation frame, two opening rods, a control rod and a flexible cover, wherein the opening rods are symmetrically arranged relative to the adjustable tuyere, one end of each opening rod is hinged with one end of the installation frame close to the gas inlet, two ends of the control rod are respectively hinged with the other end of each opening rod, the flexible cover is a flexible cover body which is in a horn mouth shape and has two open ends, one end of the flexible cover is open and communicated with the gas inlet, the flexible cover is formed by enclosing and closing a fixed piece, 2 fan-shaped pieces and a movable piece, and one side of the two fan-shaped pieces is respectively fixedly connected with two sides of the fixed piece, the other side of the fan-shaped piece is fixedly connected with the two sides of the movable piece respectively, the movable piece corresponds to the fixed piece in size and position, an organ fold is arranged on the fan-shaped piece, one side, connected with the movable piece, of the fan-shaped piece is fixedly connected with the opening rod, the fixed piece is fixed on the mounting frame, and the control rod is fixedly connected with one side, far away from the gas inlet, of the movable piece.
2. The coal seam gas releasing device according to claim 1, wherein a reducer pipe is communicated with the gas inlet, one end of the reducer pipe is fixedly communicated with the gas inlet in the same diameter, the other end of the reducer pipe is provided with a butt joint, the butt joint is a flat duckbill-shaped pipe orifice, one end of the flexible cover is provided with a connecting port, the connecting port corresponds to the butt joint in size and is fixedly communicated with the butt joint, the other end of the flexible cover is provided with a suction inlet, and the upper middle part of the suction inlet is fixedly connected with the control rod.
3. The coal bed gas releasing device according to claim 1, wherein the mounting frame is vertically mounted in specific application, the mounting frame comprises two mounting rods symmetrically arranged in parallel up and down relative to a gas inlet of the gas diluter, the length direction of the mounting rods corresponds to the gas diluter, one end of each mounting rod close to the gas diluter is provided with a tail hinging seat, one end of each opening rod far away from the control rod is hinged with the tail hinging seat, one end of each mounting rod far away from the gas diluter is provided with a front hinging seat and a rear hinging seat, the front hinging seat is rotatably connected with a front connecting rod, the rear hinging seat is rotatably connected with a rear connecting rod, the outer side of each mounting rod is provided with a guide rod which can be parallel to the mounting rod, the top end of the front rotating shaft and the top end of the rear rotating shaft are respectively hinged outside the guide rod, and one end of each mounting rod adjacent to the gas diluter is hinged with a hydraulic cylinder, the top end of a lever of the hydraulic cylinder is hinged to the top of the front connecting rod, a straight groove extending in a straight line is formed in the inner side of the guide rod, and shaft heads matched with the notches of the straight groove are arranged at two ends of the control rod respectively.
4. The coal seam gas releasing device of claim 1, wherein the control rod is provided with a baffle, and when the control rod falls, the baffle can shield the suction inlet.
5. A coal seam ripping apparatus comprising a body portion, wherein the gas release apparatus according to any one of claims 1 to 4 is mounted on both sides of the body portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210485066.9A CN114810195B (en) | 2022-05-06 | 2022-05-06 | Coal seam gas release device and coal seam tunneling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210485066.9A CN114810195B (en) | 2022-05-06 | 2022-05-06 | Coal seam gas release device and coal seam tunneling device |
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| Publication Number | Publication Date |
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| CN114810195A true CN114810195A (en) | 2022-07-29 |
| CN114810195B CN114810195B (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210485066.9A Active CN114810195B (en) | 2022-05-06 | 2022-05-06 | Coal seam gas release device and coal seam tunneling device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201857992U (en) * | 2010-11-23 | 2011-06-08 | 王崇民 | Dust collector capable of preventing gas outburst |
| CN102434191A (en) * | 2011-08-23 | 2012-05-02 | 山东理工大学 | Spiral-flow type dilution mixer with adjustable blades for gas drainage |
| CN104806284A (en) * | 2015-03-06 | 2015-07-29 | 河南理工大学 | Intelligent top-cave hydraulic support gas drainage device |
| CN108843379A (en) * | 2018-06-25 | 2018-11-20 | 中煤科工集团重庆研究院有限公司 | A kind of axial grooving release anti-reflection method of coal mine gas extraction borehole |
| CN109798145A (en) * | 2019-01-20 | 2019-05-24 | 山西正大恒通科技有限公司 | A kind of injection type gas diluter and dilution process |
| CN113931575A (en) * | 2021-11-16 | 2022-01-14 | 西南石油大学 | Miniature automatic drilling device and method for coal seam gas extraction |
| CN114198138A (en) * | 2021-12-13 | 2022-03-18 | 中国计量大学 | High-efficiency coal mining gas purification equipment and use method thereof |
-
2022
- 2022-05-06 CN CN202210485066.9A patent/CN114810195B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201857992U (en) * | 2010-11-23 | 2011-06-08 | 王崇民 | Dust collector capable of preventing gas outburst |
| CN102434191A (en) * | 2011-08-23 | 2012-05-02 | 山东理工大学 | Spiral-flow type dilution mixer with adjustable blades for gas drainage |
| CN104806284A (en) * | 2015-03-06 | 2015-07-29 | 河南理工大学 | Intelligent top-cave hydraulic support gas drainage device |
| CN108843379A (en) * | 2018-06-25 | 2018-11-20 | 中煤科工集团重庆研究院有限公司 | A kind of axial grooving release anti-reflection method of coal mine gas extraction borehole |
| CN109798145A (en) * | 2019-01-20 | 2019-05-24 | 山西正大恒通科技有限公司 | A kind of injection type gas diluter and dilution process |
| CN113931575A (en) * | 2021-11-16 | 2022-01-14 | 西南石油大学 | Miniature automatic drilling device and method for coal seam gas extraction |
| CN114198138A (en) * | 2021-12-13 | 2022-03-18 | 中国计量大学 | High-efficiency coal mining gas purification equipment and use method thereof |
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| CN114810195B (en) | 2022-09-09 |
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