Double-end water plugging device

Abstract

The utility model discloses a double-end water plugging device, which belongs to the technical field of water plugging devices and comprises two bin bodies, one ends, far away from each other, of the two bin bodies are communicated with air bags, the air bags are arranged in a conical head, the conical head is in butt joint with the bin bodies, pistons are arranged in the bin bodies, and the two ends of the bin bodies are communicated with the air bags. And one side of the piston is fixedly connected with a connecting column. According to the double-end water plugging device, the conical head, the branch flow channel and the air outlet pipe are arranged, the bin bodies are arranged in the hole wall, air is conveyed through the air channel, air enters the two bin bodies through the air outlet pipe, the piston can drive the conical head to be separated from the bin bodies through the connecting column, and at the moment, the air bag can be exposed for sealing operation; the air bag can be protected through the conical head in the throwing process, damage to the air bag in the throwing process is avoided, the conical head can be detached through air pressure after throwing is completed, and therefore it can be guaranteed that sealing operation is conducted smoothly.

Description

Technical Field

[0001] The utility model belongs to the technical field of water shutoff devices, and particularly relates to a double-end water shutoff device. Background Technique

[0002] In order to study the development law of water-conducting fracture zones in overlying strata of coal seams under water bodies, a double-end water shutoff device is usually used for water passing detection. During the on-site test, when the double-end water shutoff device is pushed forward by a push rod, due to the rough and uneven borehole wall and the possible attached rocks, the water shutoff device will rub against the sealing capsule during advancement, causing damage. And during the sealing process, when the capsule expands, it is easy to contact the gravel at the bottom of the borehole wall, resulting in damage to the capsule by the gravel and affecting the normal sealing effect. Therefore, it is of great significance to study a new double-end water shutoff device to solve the above problems. Content of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In order to overcome the above defects of the prior art, the utility model provides a double-end water shutoff device, which solves the problems that due to the rough and uneven borehole wall and the possible attached rocks, the water shutoff device will rub against the sealing capsule during advancement, causing damage, and during the sealing process, when the capsule expands, it is easy to contact the gravel at the bottom of the borehole wall, resulting in damage to the capsule by the gravel and affecting the normal sealing effect.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the utility model provides the following technical solutions: a double-end water shutoff device includes a bin body. The number of the bin bodies is two. One end of each of the two bin bodies far away from each other is communicated with an airbag. The airbag is arranged in a conical head. The conical head is docked with the bin body. A piston is arranged inside the bin body. One side of the piston is fixedly connected with a connecting column. The connecting column passes through the bin body and is fixedly connected with the conical head. One of the bin bodies is fixedly connected with a shunt channel. A water channel and an air channel are arranged in the shunt channel. The water channel is communicated with a liquid outlet structure, and the air channel is communicated with an air outlet pipe. The air outlet pipe is communicated with the two bin bodies.

[0007] As a further solution of the utility model: the shunt channel also penetrates through one of the conical heads, the connecting column and the piston, and passes out from the other bin body.

[0008] As a further solution of the utility model: the liquid outlet structure includes a liquid outlet pipe. The liquid outlet pipe is fixedly connected between the two bin bodies. A plurality of liquid outlet openings are arranged on the liquid outlet pipe.

[0009] As a further solution of the utility model: one end of the water channel is connected to a liquid receiving pipe, and one end of the air channel is connected to an air receiving pipe.

[0010] As a further solution of the present utility model: a plate body is fixedly connected to the conical head, a scraping plate is sleeved on the plate body, and the scraping plate is fixed to the plate body by bolts.

[0011] As a further solution of the present utility model: two sliding columns are also fixedly connected to the conical head, an outer cylinder is sleeved outside the sliding column, a pulley is fixedly connected to one end of the outer cylinder, and the outer cylinder is fixed to the sliding column by bolts.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. For this double-end water stopper, by providing a conical head, a diversion channel and an air outlet pipe, the air bag can be protected by the conical head during the input process. After placing the bin body in the hole wall and then supplying air through the air channel, the gas enters the two bin bodies through the air outlet pipe, and the piston can drive the conical head to separate from the bin body through the connecting column. At this time, the air bag can be exposed for sealing operation. After the input is completed, the conical head can be removed by air pressure, ensuring the smooth progress of the sealing operation.

[0015] 2. For this double-end water stopper, by providing a scraping plate and a plate body, the scraping plate can slide and adjust on the plate body, so as to adjust the distance between the scraping plate and the hole wall, making the scraping plate suitable for hole walls of different sizes. And by rotating the bin body, the position of the scraping plate can be changed. At this time, the scraping plate can be moved on the hole wall by moving the bin body for cleaning operation, avoiding the problem that the air bag is broken due to sharp objects in the placement area. Brief description of the drawings

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0017] Figure 2 is a three-dimensional sectional structural schematic diagram of the present utility model;

[0018] Figure 3 is a three-dimensional structural schematic diagram of the bin body of the present utility model;

[0019] Figure 4 is a three-dimensional structural schematic diagram of the conical head of the present utility model;

[0020] Figure 5 is a three-dimensional sectional structural schematic diagram of the bin body of the present utility model;

[0021] Figure 6 is the present utility model Figure 5 the enlarged structural schematic diagram at A in;

[0022] In the figure: 1. Storage body; 2. Liquid outlet structure; 21. Liquid outlet pipe; 22. Liquid outlet; 3. Air outlet pipe; 4. Shunt channel; 5. Air connection pipe; 6. Piston; 7. Conical head; 8. Airbag; 9. Scraper; 10. Plate body; 11. Outer cylinder; 12. Slide column; 13. Pulley; 14. Water channel; 15. Air channel; 16. Liquid connection pipe; 17. Connection column. Detailed implementation mode

[0023] The technical solution of this patent will be further described in detail below in combination with the specific implementation mode.

[0024] As Figures 1-6As shown, the utility model provides a technical solution: a double-end water shutoff device, including a bin body 1, the number of bin bodies 1 is two, the ends of the two bin bodies 1 that are far away from each other are connected with air bags 8, the air bags 8 are arranged in the conical head 7, the air bags 8 are built in the conical head 7, so that the conical head 7 can protect the air bags 8 to prevent the air bags 8 from being damaged, the conical head 7 is docked with the bin body 1, a piston 6 is arranged inside the bin body 1, the movement of the piston 6 can press the gas inside the bin body 1 into the air bags 8, so that the air bags 8 expand and can seal the hole wall, one side of the piston 6 is fixedly connected with a connecting column 17, the connecting column 17 passes through the bin body 1 and is fixedly connected to the conical head 7, and the connecting column 17 extends the force application point of the piston 6 , so that the connecting column 17 can drive the conical head 7 to separate from the warehouse body 1, and a sealing layer is filled between the connecting column 17 and the branch channel 4 and the warehouse body 1 to improve the sealing performance. The conical head 7 is fixedly connected with a plate body 10, and a scraper 9 is sleeved on the plate body 10. The scraper 9 is fixed to the plate body 10 by bolts. The scraper 9 can be slidably adjusted on the plate body 10, and the distance between the scraper 9 and the hole wall can be adjusted, so that the scraper 9 is suitable for hole walls of different sizes, and the position of the scraper 9 can be changed by rotating the warehouse body 1. At this time, the scraper 9 can be moved on the hole wall by moving the warehouse body 1 to perform cleaning operations, thereby avoiding the problem of sharp objects in the airbag 8 placement area causing breakage, and the position of the scraper 9 can be locked by bolts to prevent The scraper 9 is displaced, and two slide columns 12 are fixedly connected to the conical head 7. The slide column 12 is provided with an outer cylinder 11, and one end of the outer cylinder 11 is fixedly connected to a pulley 13. The outer cylinder 11 is fixed to the slide column 12 by bolts. The outer cylinder 11 can be slid and adjusted on the slide column 12, so that the position of the pulley 13 can be adjusted to meet the use of different hole walls, and the position of the outer cylinder 11 can be fixed by bolts to prevent the outer cylinder 11 from being unique. Secondly, the pulley 13 can assist the warehouse body 1 to move on the hole wall. One of the warehouse bodies 1 is fixedly connected to the branch channel 4. The branch channel 4 is also penetrated by one of the conical heads 7, the connecting column 17 and the piston 6, and passes through the other warehouse body 1. The water channel 14 and the air channel are opened in the branch channel 4 15, the liquid can be guided to flow into the liquid outlet pipe 21 through the water channel 14, and the gas transmission operation can be smoothly realized through the air channel 15. One end of the water channel 14 is connected to the liquid receiving pipe 16, and the liquid receiving pipe 16 can be connected to the water source to achieve the purpose of liquid transmission. One end of the air channel 15 is connected to the air receiving pipe 5, and the air source can be connected through the air pipe, so that the gas transmission operation can be smoothly carried out. The water channel 14 is connected to the liquid outlet structure 2, and the liquid outlet structure 2 includes a liquid outlet pipe 21, and the liquid outlet pipe 21 is fixedly connected between the two warehouse bodies 1. A plurality of liquid outlets 22 are opened on the liquid outlet pipe 21, and the liquid outlet 22 can guide the liquid to smoothly enter the closed section of the airbag 8, so as to facilitate the test operation. The air channel 15 is connected to the air outlet pipe 3, and the air outlet pipe 3 is connected to the two warehouse bodies 1.

[0025] The working principle of the present utility model is as follows: The bin body 1 is placed in the hole wall of the drill hole through the shunt channel 4. After the two bin bodies 1 are placed in the hole wall, the bin body 1 is rotated at this time to make the scraper 9 move to clean the hole wall. Then, the inflation device is connected through the air connection pipe 5 to inflate, so that the gas enters the two bin bodies 1 through the air channel 15 and the air outlet pipe 3, and the air pressure pushes the piston 6 to move. The piston 6 drives the conical head 7 to separate through the connecting column 17, so that the airbag 8 is exposed. Since the air inside the bin body 1 can be compressed into the airbag 8, the airbag 8 expands to seal both ends of the hole wall. After sealing, water is passed through the liquid connection pipe 16, and the liquid is discharged through the liquid outlet interface, so that the liquid is injected into the closed section sealed by the two airbags 8 for water injection test.

[0026] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0027] The above describes the preferred embodiments of the present patent in detail, but the present patent is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present patent.

Claims

1. A double-ended water shutoff device, comprising a chamber (1), characterized in that: The number of the bin bodies (1) is two, and the ends of the two bin bodies (1) that are away from each other are both connected to an air bag (8), the air bag (8) is arranged in a conical head (7), the conical head (7) is connected to the bin body (1), a piston (6) is arranged inside the bin body (1), one side of the piston (6) is fixedly connected to a connecting column (17), the connecting column (17) passes through the bin body (1) and is fixedly connected to the conical head (7), one of the bin bodies (1) is fixedly connected to the diversion channel (4), a water channel (14) and an air channel (15) are opened in the diversion channel (4), the water channel (14) is connected to the liquid outlet structure (2), the air channel (15) is connected to the air outlet pipe (3), and the air outlet pipe (3) is connected to the two bin bodies (1).

2. A double-ended water shutoff device according to claim 1, characterized in that: The branch channel (4) also passes through one of the conical heads (7), the connecting column (17) and the piston (6), and passes through the other bin body (1).

3. A double-ended water shutoff device according to claim 1, characterized in that: The liquid outlet structure (2) comprises a liquid outlet pipe (21), the liquid outlet pipe (21) is fixedly connected between the two bin bodies (1), and a plurality of liquid outlets (22) are provided on the liquid outlet pipe (21).

4. A double-ended water shutoff device according to claim 1, characterized in that: One end of the water channel (14) is connected to the liquid connection pipe (16), and one end of the air channel (15) is connected to the air connection pipe (5).

5. A double-ended water shutoff device according to claim 1, characterized in that: The conical head (7) is fixedly connected to a plate body (10), a scraper (9) is sleeved on the plate body (10), and the scraper (9) is fixed to the plate body (10) by bolts.

6. A double-ended water shutoff device according to claim 1, characterized in that: The conical head (7) is also fixedly connected to two sliding columns (12), an outer sleeve (11) is provided on the sliding column (12), one end of the outer sleeve (11) is fixedly connected to a pulley (13), and the outer sleeve (11) is fixed to the sliding column (12) by bolts.

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