CN214366160U - Flexible air duct for automatically controlling gas discharge in blind roadway of coal mine - Google Patents
Flexible air duct for automatically controlling gas discharge in blind roadway of coal mine Download PDFInfo
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- CN214366160U CN214366160U CN202023060718.XU CN202023060718U CN214366160U CN 214366160 U CN214366160 U CN 214366160U CN 202023060718 U CN202023060718 U CN 202023060718U CN 214366160 U CN214366160 U CN 214366160U
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- steel ring
- wall
- air duct
- air bag
- fixedly connected
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Abstract
The utility model discloses a flexible air duct of blind lane of colliery automatic control row gas relates to the blind lane ventilation technical field in colliery, which comprises an air bag, the outer wall of gasbag is provided with aerifys hole and gas release hole, it sets up the top at the gas release hole to aerify the hole, the outer wall a week of gasbag is provided with dryer rings, the both sides of dryer rings all are provided with steel ring one and steel ring two, steel ring one and steel ring two are respectively through rubber circle and gasbag both ends fixed connection, one side fixedly connected with sealing fastener, effective effect that keep away from the gasbag of steel ring one: the outer wall of the air duct cloth is bonded on the inner wall of the air bag, so that the air duct is free of spiral steel wire support, and is not heavy when being transported and carried conveniently.
Description
Technical Field
The utility model relates to a blind lane ventilation field in colliery specifically is a flexible air duct of blind lane in colliery automatic control row gas.
Background
The air duct is one of essential ventilation safety articles for ensuring the safety of workers, and is a necessary arrangement for ventilation in construction site operations such as mines, tunnels, air dams and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible air duct of blind lane automatic control row gas in colliery to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the flexible air duct comprises an air bag, wherein an inflation hole and an air release hole are formed in the outer wall of the air bag, the inflation hole is formed in the upper portion of the air release hole, an air duct hanging ring is arranged on the outer wall of the air bag in a circle, a first steel ring and a second steel ring are arranged on the two sides of the air duct hanging ring, the first steel ring and the second steel ring are fixedly connected with the two ends of the air bag through rubber rings respectively, a sealing fastener is fixedly connected to one side, far away from the air bag, of the first steel ring, a sealing clamping groove is formed in one side, far away from the air bag, of the second steel ring, cloth fixing grooves are formed in one sides, close to the air bag, of the first steel ring and the second steel ring, an adhesive layer is arranged on the inner wall of the air bag, air duct cloth is adhered to the inner wall, far away from the air bag, of the air duct cloth is adhered to the adhesive layer, and the two ends of the air duct cloth are fixedly connected to the cloth fixing grooves.
Preferably, the top parts of the first steel ring and the second steel ring are fixedly connected with a portable handle.
Preferably, the ring wall of the first steel ring and the ring wall of the second steel ring are both provided with threaded through holes.
Preferably, the outer diameter of the sealing clamping piece is smaller than the inner diameter of the sealing clamping groove.
Preferably, the outer wall of the sealing clamping piece is fixedly connected with a rubber sheet, and the inner wall of the sealing clamping groove is fixedly connected with a rubber sheet.
Compared with the prior art, the beneficial effects of the utility model are that:
the outer wall of the air duct cloth is bonded with the inner wall of the air bag through the bonding layer, so that the utility model is supported by the air bag when no spiral steel wire is arranged inside, and the air duct cloth can discharge gas and coal dust;
the utility model without spiral steel wires can not appear to be very heavy when being transported, thereby reducing the labor force of the working personnel;
after the air bag is deflated through the deflation hole, the utility model is in a soft state, so that the staff can conveniently withdraw the utility model;
through sealed fastener and sealed draw-in groove block, make the utility model discloses can effectual gas and the coal dust dilution and the discharge in to blind lane after the extension joint, and sealed fastener and sealed draw-in groove block back, the laminating of the sheet rubber through sealed fastener outer wall and sealed draw-in groove inner wall makes the utility model discloses it is airtight more to seal during the exhaust.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic side view of the sealing slot of the present invention;
fig. 4 is a schematic side view of the sealing clip of the present invention.
In the figure: 1. an air bag; 2. an inflation hole; 3. air bleeding holes; 4. an air duct hanging ring; 5. a first steel ring; 6. a second steel ring; 7. a rubber ring; 8. sealing the clamping piece; 9. sealing the clamping groove; 10. a cloth fixing groove; 11. an adhesive layer; 12. Air duct cloth; 13. carrying the handle by hand; 14. a threaded through bore.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a flexible air duct for automatically controlling gas discharge in blind roadway of coal mine, which comprises an air bag 1, wherein the outer surface of the air bag 1 is provided with a heat-resistant layer and a knife-resistant layer so as to ensure the long-term use of the air bag 1, the outer wall of the air bag 1 is provided with an inflation hole 2 and an air release hole 3, the main function of the flexible air duct is that the inflation hole 2 can inflate and expand the air bag 1, so that the expanded air bag 1 is provided with an air bag cloth 12 to discharge gas, the air bag 1 is softened through the air release hole 3 during air release so as to be convenient for recovering the utility model, the inflation hole 2 is arranged above the air release hole 3, an air duct hanging ring 4 is arranged on the periphery of the outer wall of the air bag 1, the air duct hanging ring 4 can support the air bag 1, but can be hung on the top of the blind roadway so that the gas and coal dust in the blind roadway can be discharged at the top of the air duct, and the influence on the blind roadway return of workers can be avoided, the two sides of the wind barrel hanging ring 4 are both provided with a steel ring I5 and a steel ring II 6, the top parts of the steel ring I5 and the steel ring II 6 are both fixedly connected with a portable handle 13, the portable handle 13 is used for conveniently carrying and carrying the utility model by keeping the two ends of the air bag 1 stable and undeformed through the steel ring I5 and the steel ring II 6 after the soft wind barrel is withdrawn, the portable handle 13 can also be hung at the top part of a blind roadway, the steel ring I5 and the steel ring II 6 are respectively fixedly connected with the two ends of the air bag 1 through rubber rings 7, the rubber rings 7 are used for preventing gas from leaking out when the gas is discharged in the wind barrel cloth 12, the ring walls of the steel ring I5 and the steel ring II 6 are both provided with threaded through holes 14, the main function is that after the sealing clamping piece 8 is clamped with the sealing clamping groove 9 when the utility model is prolonged, the steel ring I5 and the steel ring II 6 are fixed in the threaded through bolts and nuts, the air guide cylinder can be prolonged and sealed without air leakage, one side of the first steel ring 5, which is far away from the air bag 1, is fixedly connected with a sealing clamping piece 8, one side of the second steel ring 6, which is far away from the air bag 1, is provided with a sealing clamping groove 9, the outer diameter of the sealing clamping piece 8 is smaller than the inner diameter of the sealing clamping groove 9, the main function of the sealing clamping piece is that the sealing clamping piece 8 is clamped into the sealing clamping groove 9 conveniently, the outer wall of the sealing clamping piece 8 is fixedly connected with a rubber sheet, the inner wall of the sealing clamping groove 9 is fixedly connected with a rubber sheet, the sealing clamping piece 8 is clamped with the sealing clamping groove 9 to be more sealed without air leakage through the rubber sheet, one sides of the first steel ring 5 and the second steel ring 6, which are close to the air bag 1, are respectively provided with a cloth fixing groove 10, two ends of an air cylinder cloth 12 are fixed through the cloth fixing grooves 10, so that the air cylinder cloth 12 can discharge gas after the air bag 1 is expanded, and two ends of the air cylinder cloth 12 can not be disordered after the air bag 1 is expanded and soft, the inner wall of gasbag 1 is provided with adhesive linkage 11, and adhesive linkage 11 keeps away from the inner wall bonding dryer cloth 12 of gasbag 1, and the outer wall and the adhesive linkage 11 of dryer cloth 12 bond, make its gasbag 1 aerify inflation and expand and drive dryer cloth 12 and prop up, and the both ends fixed connection of dryer cloth 12 is inside solid cloth groove 10.
Specifically, when in use, the air bag 1 can be inflated through the inflation hole 2, so that the air bag 1 is expanded to bring the air duct cloth 12, thereby the air duct cloth 12 can dilute and discharge gas and coal dust inside the blind lane, the utility model can be hung on the top of the blind lane through the air duct hanging ring 4 without influencing the stoping of workers in the blind lane, when the joint of the utility model is prolonged in the blind lane, the sealing fastener 8 of the first steel ring 5 is clamped with the sealing clamping groove 9 of the second steel ring 6, and the rubber sheet on the outer wall of the sealing fastener 8 and the rubber sheet inside the sealing clamping groove 9 ensure that the joint of the utility model is prolonged without air leakage, the first steel ring 5 and the second steel ring 6 are further fixed in the thread through hole 14 through the bolt and the nut, so that the utility model is not easy to fall off after the joint is prolonged, when the air in the air bag 1 is discharged through the deflation hole 3, make 1 soft of gasbag get off can be right the utility model discloses it is folding to draw close, through portable handle 13 to withdrawing the back the utility model discloses transport and carry, just the utility model discloses inside does not contain the spiral steel wire, can not seem very heavy when transporting and carrying.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The flexible air duct for automatically controlling the gas exhaust in the blind roadway of the coal mine is characterized by comprising an air bag (1), wherein an inflation hole (2) and an air release hole (3) are formed in the outer wall of the air bag (1), the inflation hole (2) is arranged above the air release hole (3), an air duct hanging ring (4) is arranged on the outer wall of the air bag (1) in the periphery, a first steel ring (5) and a second steel ring (6) are arranged on two sides of the air duct hanging ring (4), the first steel ring (5) and the second steel ring (6) are fixedly connected with two ends of the air bag (1) through rubber rings (7), a sealing fastener (8) is fixedly connected to one side, far away from the air bag (1), of the first steel ring (5), a sealing clamping groove (9) is formed in one side, far away from the air bag (1), of the first steel ring (5) and the second steel ring (6), and a cloth fixing groove (10) is formed in one side, close to the air bag (1), the inner wall of gasbag (1) is provided with adhesive linkage (11), the inner wall that gasbag (1) was kept away from in adhesive linkage (11) bonds wind section of thick bamboo cloth (12), the outer wall and adhesive linkage (11) of wind section of thick bamboo cloth (12) bond, the both ends fixed connection of wind section of thick bamboo cloth (12) is inside solid cloth groove (10).
2. The flexible air duct for automatically controlling gas discharge in the blind roadway of the coal mine as claimed in claim 1, wherein: the top parts of the first steel ring (5) and the second steel ring (6) are fixedly connected with a portable grip (13).
3. The flexible air duct for automatically controlling gas discharge in the blind roadway of the coal mine as claimed in claim 1, wherein: and threaded through holes (14) are formed in the ring walls of the first steel ring (5) and the second steel ring (6).
4. The flexible air duct for automatically controlling gas discharge in the blind roadway of the coal mine as claimed in claim 1, wherein: the outer diameter of the sealing clamping piece (8) is smaller than the inner diameter of the sealing clamping groove (9).
5. The flexible air duct for automatically controlling gas discharge in the blind roadway of the coal mine as claimed in claim 1, wherein: the outer wall of the sealing clamping piece (8) is fixedly connected with a rubber sheet, and the inner wall of the sealing clamping groove (9) is fixedly connected with a rubber sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023060718.XU CN214366160U (en) | 2021-07-20 | 2021-07-20 | Flexible air duct for automatically controlling gas discharge in blind roadway of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023060718.XU CN214366160U (en) | 2021-07-20 | 2021-07-20 | Flexible air duct for automatically controlling gas discharge in blind roadway of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214366160U true CN214366160U (en) | 2021-10-08 |
Family
ID=77985756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023060718.XU Active CN214366160U (en) | 2021-07-20 | 2021-07-20 | Flexible air duct for automatically controlling gas discharge in blind roadway of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214366160U (en) |
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2021
- 2021-07-20 CN CN202023060718.XU patent/CN214366160U/en active Active
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