CN211525824U

CN211525824U - Pipeline plugging device for gas engineering

Info

Publication number: CN211525824U
Application number: CN201921968351.6U
Authority: CN
Inventors: 杨洪祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-09-18
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a pipeline plugging device for gas engineering, including fixed cover, fixed cover is two sets of the same semicircle sleeve, and two sets of semicircle sleeve pass through hinge connection, the upper end fixed mounting of fixed cover has a shutoff section of thick bamboo, and fixed cover communicates with each other with a shutoff section of thick bamboo and is connected, one side of a shutoff section of thick bamboo communicates with each other and is connected with the connecting cylinder, the inside movable mounting of connecting cylinder has the closing plate. A pipeline plugging device for gas engineering, through closing plate and connecting cylinder that set up, the gas that appears when can avoiding plugging device to dismantle leaks, through gasbag and No. two gasbags that set up, can carry out tight shutoff to the shutoff mouth, improved plugging device's leakproofness, avoid taking place to leak, the gas collecting box of setting can realize collecting remaining gas in the gas pipeline, realizes the reuse, avoids extravagant, this device easy operation, it is comparatively practical.

Description

Pipeline plugging device for gas engineering

Technical Field

The utility model relates to a gas engineering field, in particular to pipeline plugging device for gas engineering.

Background

In recent years, the aspects of urban gas development in China are gradually changed in projects such as western gas transportation, offshore gas utilization, liquefied gas import and the like, so that the urban gas development starts to go on the same development roads as urban gas in various countries in the world, and the technical progress has a solid foundation. The development, construction and utilization of gas resources in China enable the development of urban gas to enter a new development period, along with the continuous increase of gas requirements of people in production and life, the laying of gas in cities is more and more, and the faults of gas pipelines are more and more, so that the gas pipelines which are in operation need to be reconstructed, expanded and repaired, damaged pipelines need to be plugged and repaired, and a pipeline plugging device for gas engineering is needed;

the existing pipeline plugging device has certain disadvantages when in use, firstly, when a gas pipeline is plugged after drilling is completed and the plugging device is detached, partial gas leakage can occur in the process of the plugging device, danger can occur and waste can be caused, secondly, the existing pipeline plugging device only plugs one side of a plugging port, plugging is not tight, the sealing performance is poor and the risk of gas leakage can occur, the plugging effect is poor, and finally, when the plugging port is temporarily plugged, residual gas in the gas pipeline can be discharged into the air outside the pipeline, so that great waste is caused, the gas discharged into the air can also cause great harm, and certain influence is brought to the use process of people.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a pipeline plugging device for gas engineering can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pipeline plugging device for gas engineering, includes fixed cover, fixed cover is two sets of the same semicircle sleeves, and two sets of semicircle sleeves pass through hinge connection, the upper end fixed mounting of fixed cover has a shutoff section of thick bamboo, and fixed cover communicates with each other with a shutoff section of thick bamboo and is connected, one side of a shutoff section of thick bamboo communicates with each other and is connected with the connecting cylinder, the inside movable mounting of connecting cylinder has the closing plate.

Furthermore, the upper end of a first plugging barrel is fixedly connected with a first flange, the upper end of the first flange is connected with a second flange through a plurality of groups of bolts, and the upper end of the second flange is fixedly connected with a second plugging barrel.

Furthermore, one side of the second plugging cylinder is communicated with a sleeve, the other side of the second plugging cylinder is communicated with a first exhaust tube, and a cylinder cover is arranged at the upper end of the second plugging cylinder.

Furthermore, a baffle is movably mounted inside the sleeve, a loop bar is fixedly mounted on one side of the baffle, one side of the baffle is semicircular, and the diameter of one end of the baffle is the same as that of the inner wall of the second plugging cylinder.

Further, the inside of cover rotates installs the cavity connecting rod, the inside of cavity connecting rod is provided with the gas tube, No. one gasbag is installed to bottom one side of gas tube, No. two gasbags are installed to the bottom opposite side of gas tube.

Furthermore, one end of the first exhaust pipe is connected with an exhaust pump, one end of the exhaust pump is connected with a second exhaust pipe, the lower end of the second exhaust pipe is connected with a fuel gas collecting box, and the upper end of the second exhaust pipe is provided with a switch control valve.

Furthermore, one end of the sealing plate is semicircular, the diameter of one end of the sealing plate is the same as that of the inner wall of the first plugging cylinder, and a sealing gasket is arranged on the surface of the sealing plate.

Furthermore, No. two shutoff section of thick bamboos communicate with each other through a flange and No. two flanges with a shutoff section of thick bamboo.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through the sealing plate and the connecting cylinder, gas leakage caused when a gas pipeline is plugged after drilling is finished and the plugging device is detached can be avoided, the sealing plate is moved into the first plugging cylinder after the gas pipeline is drilled, the sealing gasket on the sealing plate is tightly attached to the inner wall of the first plugging cylinder, the sealing plate and the connecting cylinder are matched to plug the first plugging cylinder, so that gas cannot leak into the second plugging cylinder, and when the plugging device is detached, the first air bag and the second air bag are removed from the gas pipeline, the sealing plate and the connecting cylinder are matched to use to plug the first plugging cylinder again, so that danger caused by gas leakage in the process is avoided;

2. the first air bag and the second air bag are arranged on two sides of the plugging port, so that the plugging port can be tightly plugged, leakage is avoided, the hollow connecting rod is rotated after drilling is finished, the inflation tube in the hollow connecting rod is moved into the gas pipeline, the first air bag and the second air bag are inflated by connecting the other end of the inflation tube with external inflation equipment, the first air bag and the second air bag are expanded to be tightly attached to the inner wall of the gas pipeline, and the first air bag and the second air bag are arranged on two sides of the plugging port to tightly plug the plugging port, so that the sealing performance of the plugging device is improved, and leakage is avoided;

3. through the gas collecting box who sets up, can realize collecting remaining gas in the gas pipeline, avoid extravagant, when carrying out the shutoff after accomplishing drilling work, utilize the aspiration pump to extract a shutoff section of thick bamboo, No. two shutoff sections of thick bamboos and remaining gas in the gas pipeline, flow into the gas collecting box through an exhaust tube and No. two exhaust tubes, the gas of collecting in the gas collecting box just can reuse, and avoided the waste of gas and the danger that causes, easy operation, it is comparatively practical.

Drawings

Fig. 1 is a schematic view of the overall structure of the pipeline plugging device for gas engineering of the present invention;

fig. 2 is a schematic structural view of the first airbag and the second airbag of the pipeline plugging device for gas engineering according to the present invention in an inflated state;

fig. 3 is an enlarged view of a partial structure of the pipeline plugging device for gas engineering of the present invention;

fig. 4 is a top view of a first plugging cylinder and a sealing plate of the pipeline plugging device for gas engineering of the present invention;

fig. 5 is the utility model relates to a pipeline plugging device's electric drill drilling operating condition schematic diagram for gas engineering.

In the figure: 1. fixing a sleeve; 2. a first plugging cylinder; 3. a connecting cylinder; 4. a sealing plate; 5. a first flange; 6. a second flange; 7. a second plugging cylinder; 8. a sleeve; 9. a first air exhaust pipe; 10. a cylinder cover; 11. A baffle plate; 12. a loop bar; 13. a hollow connecting rod; 14. an inflation tube; 15. a first airbag; 16. a second airbag; 17. an air pump; 18. a second air exhaust pipe; 19. a gas collecting box; 20. and (4) switching the control valve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in fig. 1-5, a pipeline plugging device for gas engineering, including fixed cover 1, fixed cover 1 is two sets of the same semicircle sleeves, and two sets of semicircle sleeves pass through hinge connection, fixed cover 1 fixed welding is on the outer wall of gas pipeline, the upper end fixed mounting of fixed cover 1 has a shutoff section of thick bamboo 2, and fixed cover 1 communicates with each other with a shutoff section of thick bamboo 2 and is connected, one side of a shutoff section of thick bamboo 2 communicates with each other and is connected with connecting cylinder 3, the inside movable mounting of connecting cylinder 3 has closing plate 4, closing plate 4 can remove in the inside of connecting cylinder 3, and cooperate connecting cylinder 3 can seal a shutoff section of thick bamboo 2.

No. one flange 5 of upper end fixedly connected with of a shutoff section of thick bamboo 2, No. two flanges 6 of upper end through a plurality of group bolted connection of a flange 5, No. two shutoff sections of thick bamboo 7 of upper end fixedly connected with of No. two flanges 6, No. two shutoff sections of thick bamboo 7 and a shutoff section of thick bamboo 2 communicate with each other through a flange 5 and No. two flanges 6 and be connected.

The one end of closing plate 4 is semi-circular, and the one end of closing plate 4 is the same with the inner wall diameter size of a shutoff section of thick bamboo 2, and the surface of closing plate 4 is provided with sealed the pad, and the one end of closing plate 4 sets up to semi-circular and the same with the inner wall diameter size of a shutoff section of thick bamboo 2, is for making sealed the inner wall of hugging closely a shutoff section of thick bamboo 2 of sealing up, realizes the shutoff to a shutoff section of thick bamboo 2.

By adopting the technical scheme: the closing plate 4 and the connecting cylinder 3 that set up, can avoid the gas pipeline to carry out the gas leakage that appears when shutoff and plugging device dismantle after accomplishing the drilling, gas pipeline is after accomplishing the drilling, make closing plate 4 remove the inside of a shutoff section of thick bamboo 2, sealed pad on the closing plate 4 closely laminates with the inner wall of a shutoff section of thick bamboo 2, the cooperation of closing plate 4 and connecting cylinder 3 is used up the shutoff of accomplishing a shutoff section of thick bamboo 2, make the gas can not leak in No. two shutoff sections of thick bamboos 7, and when plugging device dismantled, No. one gasbag 15 and No. two gasbags 16 remove the back from gas pipeline, the cooperation of closing plate 4 and connecting cylinder 3 is used and is carried out the shutoff to a shutoff section of thick bamboo 2 once more, avoided this in-process to take place the gas leakage and cause danger.

Example 2

As shown in fig. 1-5, the pipeline plugging device for the gas engineering comprises a fixed sleeve 1, one side of a second plugging cylinder 7 is communicated and connected with a sleeve 8, the other side of the second plugging cylinder 7 is communicated and connected with a first exhaust pipe 9, and the upper end of the second plugging cylinder 7 is provided with a cylinder cover 10.

The inside movable mounting of sleeve 8 has baffle 11, and one side fixed mounting of baffle 11 has loop bar 12, and one side of baffle 11 is semi-circular, and the one end of baffle 11 is the same with the inner wall diameter size of No. two shutoff section of thick bamboos 7, promotes loop bar 12 and can control baffle 11 and remove in the inside of sleeve 8 and No. two shutoff sections of thick bamboos 7, when the inner wall of a No. two shutoff sections of thick bamboos 7 of hugging closely, can realize the shutoff to No. two shutoff sections of thick bamboos 7.

A hollow connecting rod 13 is rotatably mounted inside the barrel cover 10, an inflation tube 14 is arranged inside the hollow connecting rod 13, a first air bag 15 is mounted on one side of the bottom end of the inflation tube 14, a second air bag 16 is mounted on the other side of the bottom end of the inflation tube 14, the hollow connecting rod 13 is rotated, the inflation tube 14 in the hollow connecting rod 13 is moved into a gas pipeline, the first air bag 15 and the second air bag 16 are inflated, the first air bag 15 and the second air bag 16 are tightly attached to the inner wall of the gas pipeline, and plugging of a plugging port is achieved.

By adopting the technical scheme: the first air bag 15 and the second air bag 16 are arranged, tight plugging of a plugging port can be achieved, leakage is avoided, after drilling is completed, the hollow connecting rod 13 is rotated, the inflating tube 14 in the hollow connecting rod 13 is moved into a gas pipeline, the other end of the inflating tube 14 is connected with external inflating equipment, the first air bag 15 and the second air bag 16 are inflated, the first air bag 15 and the second air bag 16 are made to expand and tightly fit with the inner wall of the gas pipeline, the first air bag 15 and the second air bag 16 are arranged on two sides of the plugging port, tight plugging is conducted on the plugging port, sealing performance of the plugging device is improved, and leakage is avoided.

Example 3

As shown in fig. 1-5, a pipeline plugging device for gas engineering, including fixed cover 1, the one end of an exhaust tube 9 is connected with air pump 17, the one end of air pump 17 is connected with No. two exhaust tubes 18, the lower extreme of No. two exhaust tubes 18 is connected with gas collecting box 19, the upper end of No. two exhaust tubes 18 is provided with on-off control valve 20, after the residual gas is collected, through adjusting on-off control valve 20, can store the gas of collecting.

The one end of closing plate 4 is semi-circular, and the one end of closing plate 4 is the same with the inner wall diameter size of a shutoff section of thick bamboo 2, and the surface of closing plate 4 is provided with sealed the pad, and the sealed setting of filling up can be better make the surface of closing plate 4 hug closely the inner wall of a shutoff section of thick bamboo 2, improves the leakproofness.

By adopting the technical scheme: the gas collecting box 19 that sets up, can realize collecting remaining gas in the gas pipeline, avoid extravagant, when carrying out the shutoff after accomplishing drilling work, utilize aspiration pump 17 to extract a shutoff section of thick bamboo 2, No. two shutoff section of thick bamboos 7 and remaining gas in the gas pipeline, flow into gas collecting box 19 through an exhaust tube 9 and No. two exhaust tubes 18, the gas of collecting in the gas collecting box 19 just can reuse, and avoided the waste of gas and the danger that causes, the operation is simple, and is relatively practical.

It should be noted that the utility model relates to a pipeline plugging device for gas engineering, firstly, the fixed sleeve 1 is welded on the outer wall of the gas pipeline, then the first plugging cylinder 2 is fixedly installed on the upper end of the fixed sleeve 1, the connecting cylinder 3 is installed on one side of the first plugging cylinder 2, the sealing plate 4 is installed in the connecting cylinder 3, then the first flange 5 and the second flange 6 are connected through a plurality of groups of bolts, then the second plugging cylinder 7 is connected in turn, the second plugging cylinder 7 is connected with the first plugging cylinder 2 through the first flange 5 and the second flange 6, then the sleeve 8 is connected on one side of the second plugging cylinder 7, the loop bar 12 and the baffle 11 are installed inside the sleeve 8, then the first exhaust pipe 9 is connected on the other side of the second plugging cylinder 7, then the exhaust pump 17, the second exhaust pipe 18, the switch control valve 20 and the gas collection box 19 are installed in turn, as shown in figure 5, a rotating shaft with a drill bit is extended into the position, close to the gas pipeline, of the first plugging cylinder 2, a motor connected with the rotating shaft is opened, a cylinder cover 10 is covered, and the gas pipeline is drilled, as shown in fig. 5;

after drilling is completed, moving the drill bit to the inside of a second plugging cylinder 7, then moving the sealing plate 4 to the inner wall of the first plugging cylinder 2 to plug the first plugging cylinder 2, opening the cylinder cover 10 to remove the drill bit, then installing the inflation tube 14 with the first airbag 15 and the second airbag 16 arranged on the two sides of the lower end inside the hollow connecting rod 13, extending the hollow connecting rod 13 into the inside of the second plugging cylinder 7, closing the cylinder cover 10, then moving the sealing plate 4 to a position far away from the inner wall of the first plugging cylinder 2, and moving the lower end of the inflation tube 14 to the inside of a gas pipeline, as shown in fig. 1;

then connecting an external inflating device to inflate the first air bag 15 and the second air bag 16 to enable the first air bag 15 and the second air bag 16 to expand and tightly adhere to the inner wall of the gas pipeline, arranging the first air bag 15 and the second air bag 16 on two sides of the plugging opening, tightly plugging the plugging opening, as shown in figure 2, opening the air pump 17 at the moment, extracting residual gas in the first plugging cylinder 2, the second plugging cylinder 7 and the gas pipeline, flowing into the gas collecting box 19 through the first air pumping pipe 9 and the second air pumping pipe 18, reusing the gas collected in the gas collecting box 19, closing the air pump 17 and the switch control valve 20 after finishing air extraction, storing the collected gas, repairing the gas pipeline, moving the hollow connecting rod 13 after completing maintenance, removing the first air bag 15 and the second air bag 16, remove closing plate 4 again this moment, a shutoff section of thick bamboo 2, the shutoff is accomplished the back, demolish No. two flanges 6 and No. two a shutoff section of thick bamboos 7, pass through multiunit bolt fixed connection with cover 10 and a flange 5 again, realize sealed to a shutoff section of thick bamboo 2, accomplish sealed back, remove closing plate 4, to the one end welded seal of connecting cylinder 3, whole shutoff process is accomplished so far, and this plugging device leakproofness is good, and easy operation is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pipeline plugging device for gas engineering, includes fixed cover (1), fixed cover (1) is two sets of the same semicircle sleeves, and just two sets of semicircle sleeves pass through hinge connection, its characterized in that: the upper end fixed mounting of fixed cover (1) has a shutoff section of thick bamboo (2), and fixed cover (1) communicates with each other with a shutoff section of thick bamboo (2) and is connected, one side of a shutoff section of thick bamboo (2) communicates with each other and is connected with connecting cylinder (3), the inside movable mounting of connecting cylinder (3) has closing plate (4).

2. The pipeline plugging device for the gas engineering according to claim 1, wherein: the upper end fixedly connected with of a shutoff section of thick bamboo (2) flange (5) No. one, the upper end of flange (5) has No. two flanges (6) through a plurality of groups of bolted connection, No. two shutoff sections of thick bamboo (7) of upper end fixedly connected with of No. two flanges (6).

3. The pipeline plugging device for the gas engineering according to claim 2, wherein: one side of the second plugging cylinder (7) is communicated with a sleeve (8), the other side of the second plugging cylinder (7) is communicated with a first exhaust tube (9), and a cylinder cover (10) is arranged at the upper end of the second plugging cylinder (7).

4. The pipeline plugging device for the gas engineering according to claim 3, wherein: the inner movable mounting of sleeve (8) has baffle (11), one side fixed mounting of baffle (11) has loop bar (12), one side of baffle (11) is semi-circular, and the one end of baffle (11) is the same with the inner wall diameter size of No. two shutoff section of thick bamboos (7).

5. The pipeline plugging device for the gas engineering according to claim 3, wherein: the novel air bag inflator is characterized in that a hollow connecting rod (13) is installed inside the barrel cover (10) in a rotating mode, an inflation tube (14) is arranged inside the hollow connecting rod (13), a first air bag (15) is installed on one side of the bottom end of the inflation tube (14), and a second air bag (16) is installed on the other side of the bottom end of the inflation tube (14).

6. The pipeline plugging device for the gas engineering according to claim 3, wherein: one end of the first air suction pipe (9) is connected with an air suction pump (17), one end of the air suction pump (17) is connected with a second air suction pipe (18), the lower end of the second air suction pipe (18) is connected with a fuel gas collecting box (19), and the upper end of the second air suction pipe (18) is provided with a switch control valve (20).

7. The pipeline plugging device for the gas engineering according to claim 1, wherein: one end of the sealing plate (4) is semicircular, the diameter of one end of the sealing plate (4) is the same as that of the inner wall of the first plugging cylinder (2), and a sealing gasket is arranged on the surface of the sealing plate (4).

8. The pipeline plugging device for the gas engineering according to claim 2, wherein: the second plugging cylinder (7) is communicated and connected with the first plugging cylinder (2) through a first flange (5) and a second flange (6).