CN215256322U - Coal mine corner moves shutoff system fast - Google Patents
Coal mine corner moves shutoff system fast Download PDFInfo
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- CN215256322U CN215256322U CN202121800298.6U CN202121800298U CN215256322U CN 215256322 U CN215256322 U CN 215256322U CN 202121800298 U CN202121800298 U CN 202121800298U CN 215256322 U CN215256322 U CN 215256322U
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- outer container
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Abstract
The utility model discloses a colliery corner moves shutoff system fast, including moving device and shutoff gas wall, move the device and include two modular slide rails and the crossbeam of slidable mounting between two modular slide rails, the modular slide rail includes two slide rails, the shutoff gas wall includes outer courage and a plurality of inner bag, the inside of outer courage is provided with the flexible supporting mechanism who is used for keeping the whole shape of outer courage, outer courage separates for the cavity of a plurality of confession inner bags installation through flexible supporting mechanism, be provided with a plurality of and inner bag matched with admission valve and relief valve on the outer courage, admission valve and gas filled tube are connected, be provided with safe voltage limiting device on the gas filled tube. The utility model has the advantages of reasonable design, convenient operation can used repeatedly, carries out the installation of shutoff air wall through hanging a moving device on the wire netting at corner tunnel roof for the shutoff air wall can constantly move along with the propulsion of working face, and then can effectively improve the efficiency of corner shutoff, satisfies the rhythm of the high-speed production in colliery.
Description
Technical Field
The utility model belongs to the technical field of colliery gas prevention and cure, concretely relates to plugging system is moved fast to colliery corner.
Background
Gas is one of the most important factors influencing coal mining, and gas accidents often damage mine production equipment, threaten the personal safety of coal mine workers and bring huge loss to coal mines. Most coal mines in China adopt a U-shaped ventilation mode, so that air leakage in a goaf is easy to occur, gas in the goaf flows to a working face along with wind, the gas at the corner is over-limited, and mine production is affected. Therefore, the problems of reducing air leakage of the goaf and reducing the gas content of the corner become to be solved urgently.
At present, the measures for treating the air leakage of the goaf mainly comprise a wind-shielding curtain and a wind-shielding wall, and both the two methods have certain limitations. The wind screen is easy to damage in the using process, which can cause the waste of resources; the wind-break wall has low working efficiency and high working strength of workers. Therefore, a new device must be explored to solve goaf air leakage, prevent gas accidents and guarantee the safety of workers.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a colliery corner moves shutoff system fast, its structural design is reasonable, high operation convenience, therefore, the clothes hanger is strong in practicability, can used repeatedly, through hanging a moving device on the wire netting at corner tunnel roof and carry out the installation of shutoff air wall, make the shutoff air wall can be along with the propulsion of working face, constantly move forward, and then can effectively improve the efficiency of colliery corner shutoff, satisfy the rhythm of the high-speed production of colliery.
In order to solve the technical problem, the utility model discloses a technical scheme is: a coal mine corner fast moving plugging system is characterized in that: move the device and hang and establish including hanging on the wire netting of corner tunnel roof move the shutoff air wall of device below, move the device and include that two combination formula slide rails and slidable mounting that fix on the wire netting just can carry out flexible crossbeam between two combination formula slide rails, combination formula slide rail includes two detachable and links together the slide rail, the shutoff air wall includes outer courage and a plurality of inner bags that set up in outer courage, the inside of outer courage is provided with the flexible supporting mechanism who is used for keeping outer courage overall shape, outer courage passes through flexible supporting mechanism separates for the cavity of a plurality of confession inner bags installations, be provided with a plurality ofly and inner bag matched with admission valve and relief valve on the outer courage, the admission valve is connected with gas-filled tube, gas-filled tube is last to be provided with safe voltage limiting device.
The coal mine corner rapid moving plugging system is characterized in that: the outer container is a rectangular box body formed by bonding rubber sheets, one side of the outer container is provided with a plurality of handles, and the inner containers are sequentially arranged along the width direction of the outer container.
The coal mine corner rapid moving plugging system is characterized in that: the flexible supporting mechanism comprises a plurality of horizontal annular lacing wires tightly attached to the inner wall of the outer container and a plurality of vertical annular lacing wires tightly attached to the inner wall of the outer container, the horizontal annular lacing wires and the vertical annular lacing wires are rectangular rings, the horizontal annular lacing wires and the vertical annular lacing wires are arranged at equal intervals along the height direction of the outer container, and the vertical annular lacing wires are arranged at equal intervals along the width direction of the outer container.
The coal mine corner rapid moving plugging system is characterized in that: a plurality of longitudinal horizontal tie bars are arranged in the vertical annular tie bars and are arranged at equal intervals along the height direction of the outer container.
The coal mine corner rapid moving plugging system is characterized in that: the outer container is hung on the cross beam through a plurality of hooks, and a plurality of hanging rings for installing the hooks are arranged at the top of the outer container.
The coal mine corner rapid moving plugging system is characterized in that: and two ends of the cross beam are respectively provided with a sliding block matched with the sliding rail.
The coal mine corner rapid moving plugging system is characterized in that: the safety pressure limiting device comprises a ball valve switch and a gas pressure limiting safety valve, and a pipeline where the ball valve switch is located and a pipeline where the gas pressure limiting safety valve is located are connected with the inflation pipeline through a three-way joint.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a hang a device that moves on the wire netting of corner tunnel roof and carry out the installation of shutoff air wall for the shutoff air wall can constantly move forward along with the propulsion of working face, and then can effectively improve the efficiency of corner shutoff, satisfies the rhythm of the high-speed production in colliery.
2. The utility model discloses a set up a plurality of inner bags in the outer bag and form shutoff air wall, make every inner bag homoenergetic simultaneously carry out independent gassing and fill, can effectively improve the gassing efficiency that fills of shutoff air wall, can also guarantee the reliability of shutoff air wall simultaneously.
3. The utility model discloses an at the interior flexible supporting mechanism that sets up of outer courage, not only can keep the whole shape of outer courage, can also carry out orderly partition with a plurality of inner bags, guarantee the safety in utilization of shutoff gas wall.
To sum up, the utility model has the advantages of reasonable design, convenient operation, the practicality is strong, can used repeatedly, through hanging a moving device on the wire netting at corner tunnel roof and carry out the installation of shutoff air wall for the shutoff air wall can constantly move forward along with the propulsion of working face, and then can effectively improve the efficiency of corner shutoff, satisfies the rhythm of the high-speed production in colliery.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structure schematic diagram of the moving device of the present invention.
Fig. 3 is the internal structure schematic diagram of the plugging air wall of the present invention.
Fig. 4 is the connecting structure schematic diagram of the vertical annular lacing wire and the vertical horizontal lacing wire of the utility model.
Fig. 5 is a schematic view of the connection structure of the safety pressure limiting device and the air inlet valve of the present invention.
Description of reference numerals:
1-a cross beam; 2, a slide rail; 3, an outer container;
4, an inner container; 5-an air inlet valve; 6, a pressure relief valve;
7-an inflation pipeline; 8, a handle; 9-a hoisting ring;
10-a slide block; 11-hanging hooks; 12-horizontal annular lacing wire;
13-vertical annular lacing wires; 14-longitudinal horizontal lacing wire; 15-ball valve switch;
16-gas pressure-limiting safety valve; 17-three way connection.
Detailed Description
As shown in fig. 1 to 5, the utility model comprises a moving device hung on a wire mesh of a corner tunnel roof and a blocking air wall hung below the moving device, wherein the moving device comprises two combined slide rails fixed on the wire mesh and a cross beam 1 slidably mounted between the two combined slide rails and capable of extending and contracting, the combined slide rails comprise two detachable slide rails 2 connected together, the blocking air wall comprises an outer liner 3 and a plurality of inner liners 4 arranged in the outer liner 3, a flexible supporting mechanism for maintaining the overall shape of the outer liner 3 is arranged in the outer liner 3, the outer liner 3 is divided into a plurality of chambers for installing the inner liners 4 by the flexible supporting mechanism, a plurality of air inlet valves 5 and pressure relief valves 6 matched with the inner liners 4 are arranged on the outer liner 3, and the air inlet valves 5 are connected with an air charging pipeline 7, and a safety pressure limiting device is arranged on the inflation pipeline 7.
During the in-service use, hang a device that moves through the wire netting at corner tunnel roof and carry out the installation of shutoff air wall for the shutoff air wall can constantly move forward along with the propulsion of working face, and then can effectively improve the efficiency of corner shutoff, satisfies the rhythm of the high-speed production of colliery.
It should be noted that the plugging air wall is formed by arranging a plurality of inner containers 4 in the outer container 3, and each inner container 4 can be independently inflated and deflated, so that the inflation and deflation efficiency of the plugging air wall can be effectively improved, and the reliability of the plugging air wall can be ensured.
During concrete implementation, through linking together two slide rail 2 detachable and form combination formula slide rail, when the working face impels forward, the accessible with the continuous forward movement of back slide rail 2, two slide rail 2 continuous alternate use realize the antedisplacement of combination formula slide rail, and then accomplish the circulation that moves of shutoff air wall, can effectively improve work efficiency.
When the device is actually used, the safety pressure limiting device is arranged on the inflation pipeline 7, and when the rated working pressure is not reached in the inflation process and the corner space is completely blocked, the inflation can be automatically stopped through the safety pressure limiting device; meanwhile, when the corner space is not completely blocked and the air wall is inflated to the rated working pressure, the air is automatically stopped through the safety pressure limiting device; when the internal strength of the air wall exceeds the maximum pressure of the air wall due to continuous inflation or the pressure coming from the top plate, the safety pressure limiting device is started to release air.
During the concrete implementation, through the flexible supporting mechanism that sets up in outer courage 3, not only can keep outer courage 3 whole shape, can also carry out orderly the separation with a plurality of inner bags 4, guarantee the safety in utilization of shutoff air wall.
In specific implementation, the number of the inner containers 4 is preferably four, the cross beam 1 is a telescopic rod, the minimum length of the cross beam 1 after contraction is 1m, the maximum length of the cross beam 1 after extension is 2m, and the length of the slide rail 2 is 1 m.
In this embodiment, the outer container 3 is a rectangular box body formed by bonding rubber sheets, a plurality of handles 8 are arranged on one side of the outer container 3, and a plurality of inner containers 4 are sequentially arranged along the width direction of the outer container 3.
When the bulletproof fabric is actually used, the rubber sheet for manufacturing the outer container 3 is made of bulletproof cloth made of double-sided vulcanized rubber, and the bulletproof cloth is made of ultra-high molecular weight polyethylene fibers and can effectively prevent fire; the inner container 3 is made of high-elasticity rubber.
As shown in fig. 3 and 4, in this embodiment, the flexible supporting mechanism includes a plurality of horizontal annular tie bars 12 arranged to be closely attached to the inner wall of the outer liner 3 and a plurality of vertical annular tie bars 13 arranged to be closely attached to the inner wall of the outer liner 3, the horizontal annular tie bars 12 and the vertical annular tie bars 13 are both rectangular rings, the plurality of horizontal annular tie bars 12 are arranged at equal intervals along the height direction of the outer liner 3, and the plurality of vertical annular tie bars 13 are arranged at equal intervals along the width direction of the outer liner 3.
During the in-service use, through set up horizontal annular lacing wire 12 and vertical annular lacing wire 13 in outer courage 3, can guarantee at the shutoff air wall inflation in-process, outer courage 3 remains the rectangle throughout, can not take place obvious deformation.
In this embodiment, a plurality of longitudinal horizontal tie bars 14 are provided in the vertical annular tie bar 13, and the plurality of longitudinal horizontal tie bars 14 are arranged at equal intervals along the height direction of the outer container 3.
During the actual use, through set up a plurality of vertical horizontal lacing wires 14 in vertical annular lacing wire 13, can separate two adjacent inner bags 4 through vertical horizontal lacing wire 14.
In specific implementation, the number of the longitudinal horizontal tie bars 14 in each vertical annular tie bar 13 is equal to the number of the horizontal annular tie bars 12.
In this embodiment, the outer container 3 is hung on the beam 1 through a plurality of hooks 11, and a plurality of rings 9 for installing the hooks 11 are arranged at the top of the outer container 3.
During the in-service use, through set up a plurality of rings 9 at the top of outer courage 3, be convenient for realize the integral hoisting of shutoff air wall, hang the shutoff air wall through couple 11 and establish in the below of crossbeam 1, the installation and the dismantlement of the shutoff air wall of being convenient for.
In this embodiment, two ends of the cross beam 1 are respectively provided with a sliding block 10 matched with the sliding rail 2.
In practical use, when the two slide rails 2 are connected, the connection part of the two slide rails 2 is ensured to be still provided for the slide block 10 to pass through smoothly.
In this embodiment, the safety pressure limiting device includes a ball valve switch 15 and a gas pressure limiting safety valve 16, and the pipeline in which the ball valve switch 15 is located and the pipeline in which the gas pressure limiting safety valve 16 is located are connected with the inflation pipeline 7 through a three-way joint 17.
When the gas pressure limiting valve is actually used, the gas charging pipeline 7 is a circular pipe with the pipe diameter DN50, one end of the gas charging pipeline 7 is connected with the four gas inlet valves 5, the other end of the gas charging pipeline 7 is connected with one end of the three-way joint 17, one end of a pipeline where the ball valve switch 15 is located and one end of a pipeline where the gas pressure limiting safety valve 16 is located are respectively connected with the other two ends of the three-way joint 17, and the other end of the pipeline where the ball valve switch 15 is located is connected with the gas pump; the ball valve switch 15 is opened during inflation, the ball valve switch 15 is closed after inflation is finished, the internal pressure of the liner 4 exceeds the threshold value of the gas pressure limiting safety valve 16 during inflation or during use, the thimble of the gas pressure limiting safety valve 16 is jacked open, deflation and pressure relief are automatically opened, the thimble falls back after pressure relief is finished, and deflation is not performed any more.
When the utility model is used, firstly, two combined slide rails are hung on a wire netting, then a beam 1 is slidably arranged between the two combined slide rails, an uninflated plugging air wall is hung at the bottom of the beam 1 through a hook 11, an air inlet valve 5 is opened, four inner containers 4 in an outer container 3 are inflated through the four air inlet valves 5 by using underground compressed air, the middle two inner containers 4 are firstly inflated, the top of the plugging air wall is connected with a roadway roof, the inner containers 4 at two sides are inflated later, two sides of the plugging air wall are respectively in close contact with a hydraulic support and a coal wall, and the air inlet valve 5 is closed; along with the propulsion of working face, when the shutoff air wall need be advanced to move along with hydraulic support, at first open relief valve 6 and carry out the gassing to each inner bag 4, make shutoff air wall contactless around with the tunnel, stimulate shutoff air wall to drive crossbeam 1 and move forward to the destination position after that, two sets of slide rails 2 are constantly used in turn, accomplish the circulation that moves of shutoff air wall.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (7)
1. A coal mine corner fast moving plugging system is characterized in that: the device comprises a moving device hung on an iron wire net of a corner roadway roof and a plugging air wall hung below the moving device, wherein the moving device comprises two combined slide rails fixed on the iron wire net and a cross beam (1) slidably mounted between the two combined slide rails and capable of stretching, the combined slide rails comprise two detachable slide rails (2) connected together, the plugging air wall comprises an outer liner (3) and a plurality of inner liners (4) arranged in the outer liner (3), a flexible supporting mechanism used for keeping the overall shape of the outer liner (3) is arranged in the outer liner (3), the outer liner (3) is divided into a plurality of chambers for installing the inner liners (4) through the flexible supporting mechanism, a plurality of air inlet valves (5) and pressure release valves (6) matched with the inner liners (4) are arranged on the outer liner (3), and the air inlet valves (5) are connected with an inflation pipeline (7), and a safety pressure limiting device is arranged on the inflation pipeline (7).
2. The coal mine corner rapid-moving plugging system according to claim 1, wherein: the outer container (3) is a rectangular box body formed by bonding rubber sheets, one side of the outer container (3) is provided with a plurality of handles (8), and the inner containers (4) are sequentially arranged along the width direction of the outer container (3).
3. The coal mine corner rapid-moving plugging system according to claim 2, wherein: the flexible supporting mechanism comprises a plurality of horizontal annular lacing wires (12) tightly attached to the inner wall of the outer container (3) and a plurality of vertical annular lacing wires (13) tightly attached to the inner wall of the outer container (3) and arranged, the horizontal annular lacing wires (12) and the vertical annular lacing wires (13) are rectangular rings, the horizontal annular lacing wires (12) are arranged at equal intervals along the height direction of the outer container (3), and the vertical annular lacing wires (13) are arranged at equal intervals along the width direction of the outer container (3).
4. The coal mine corner rapid-moving plugging system according to claim 3, wherein: a plurality of longitudinal horizontal tie bars (14) are arranged in the vertical annular tie bar (13), and the longitudinal horizontal tie bars (14) are arranged at equal intervals along the height direction of the outer container (3).
5. The coal mine corner rapid-moving plugging system according to claim 1, wherein: the outer container (3) is hung on the cross beam (1) through a plurality of hooks (11), and a plurality of hanging rings (9) for installing the hooks (11) are arranged at the top of the outer container (3).
6. The coal mine corner rapid-moving plugging system according to claim 1, wherein: two ends of the cross beam (1) are respectively provided with a sliding block (10) matched with the sliding rail (2).
7. The coal mine corner rapid-moving plugging system according to claim 1, wherein: the safety pressure limiting device comprises a ball valve switch (15) and a gas pressure limiting safety valve (16), and a pipeline where the ball valve switch (15) is located and a pipeline where the gas pressure limiting safety valve (16) is located are connected with the inflation pipeline (7) through a three-way joint (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121800298.6U CN215256322U (en) | 2021-08-03 | 2021-08-03 | Coal mine corner moves shutoff system fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121800298.6U CN215256322U (en) | 2021-08-03 | 2021-08-03 | Coal mine corner moves shutoff system fast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256322U true CN215256322U (en) | 2021-12-21 |
Family
ID=79496515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121800298.6U Active CN215256322U (en) | 2021-08-03 | 2021-08-03 | Coal mine corner moves shutoff system fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256322U (en) |
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2021
- 2021-08-03 CN CN202121800298.6U patent/CN215256322U/en active Active
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