CN210372524U

CN210372524U - Air bag type pipeline plugging device

Info

Publication number: CN210372524U
Application number: CN201921317193.8U
Authority: CN
Inventors: 梁景江; 杜维松; 徐龙军; 于等文; 张玉才; 王祥国
Original assignee: Heilongjiang Province Water Resources And Hydropower Group Co ltd
Current assignee: Heilongjiang Province Water Resources And Hydropower Group Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-21
Anticipated expiration: 2029-08-14

Abstract

An air bag type pipeline plugging device relates to a pipeline plugging device. The utility model provides a irritate experiment loss material too much, waste time and energy with high costs problem. The plugging air bag is installed inside the circumference of an experimental pipeline, an air inlet and outlet nozzle with an outward opening is arranged on the circumferential outer wall of the front end of the plugging air bag, a vent nozzle is sleeved inside the circumference of the air inlet and outlet nozzle, the plugging air bag can be plugged inside an end head of the experimental pipeline to be tested, an air blowing pipe and an air inflating pipe are connected with a pressure gauge, the vent nozzle on a connection converter at the rear end of the air blowing pipe is fixedly inserted into the air inlet and outlet nozzle, after all components are safely butted, a pressing rod is pressed up and down, air is squeezed into the plugging air bag, the reading of the pressure gauge is observed at the same time, the pressing is stopped after certain requirements are met, the vent nozzle is pulled out, water is used for a sealing test, after the test is completed, the air in the plugging air bag is released, an air bag pull ring is pulled to.

Description

Air bag type pipeline plugging device

Technical Field

The utility model belongs to the technical field of the pipe laying is relevant, concretely relates to gasbag formula pipeline plugging device.

Background

The pipelines laid in municipal engineering comprise cement pipes, iron pipes, PVC pipes and the like, the pipe diameters of the pipelines are from 20 cm to 250 cm, and the pipelines are mainly used for water purification pipes, sewage pipes, rainwater pipes and the like. After the pipelines are laid, a sealing test is carried out to check whether the connection of the inner pipe sections with a certain length is sealed.

The existing pipeline sealing experiment technology has the following problems: during the sealing experiment, the two ends of the sealed container are sealed by using wood plugs, wood boards and cement, and then the water is poured for the experiment, so that the method is time-consuming, needs to invest a large amount of manpower and material resources and needs more capital support.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air bag formula pipeline plugging device to the experiment loss material of watering that proposes among the solution above-mentioned background art too much wastes time and energy with high costs problem.

In order to achieve the above object, the utility model provides a following technical scheme: gasbag formula pipeline plugging device, including experiment pipeline and shutoff gasbag, the shutoff gasbag is installed inside the circumference of experiment pipeline, be provided with the outside air inlet and outlet nozzle of opening on the front end circumference outer wall of shutoff gasbag, the inside pipe orifice of ventilating that has cup jointed of circumference of air inlet and outlet nozzle, the front end of pipe orifice of ventilating is connected with the connection converter, the inside gas blow pipe that has cup jointed of circumference of connection converter, the front end of gas blow pipe is connected with pressure converter, pressure converter's upper end is provided with the manometer, be connected with the inflation pipe on pressure converter's the front side circumference outer wall, the outside pipe of giving vent to anger of most front end circumference of inflation pipe has cup jointed, the front end of giving vent to anger the siphunculus is provided with the pressing inflator, the inside gas stick that is provided with of circumference of pressing inflator, the top of gas stick is connected with presses the pressure lever, be provided with the trachea fixed knot, the inflatable air bag sealing device is characterized in that an inflating stepping foot is arranged on the circumferential outer wall of the lower side of the pressing inflator, a pull ring fixing pad is arranged on the circumferential outer wall of the front end of the sealing air bag, an air bag pull ring is arranged at the front end of the pull ring fixing pad, and a sealing retaining ring is arranged on the circumferential outer wall of the sealing air bag.

Preferably, the number of the sealing check rings is eight, the circumferential diameters of the eight sealing check rings are the same, the intervals between the eight sealing check rings are the same, and the circumferential diameter of the outermost outer wall of the eight sealing check rings is slightly larger than the diameter of the circumferential outer wall of the plugging air bag.

Preferably, the diameter of the circumferential inner wall of the experimental pipeline is slightly larger than that of the outermost circumferential outer wall of the sealing retainer ring.

Preferably, the diameter of the circumferential outer wall of the aeration nozzle is slightly smaller than that of the circumferential inner wall of the air inlet and outlet nozzle.

Preferably, the circumferential diameter of the air blowing pipe is the same as that of the air inflating pipe.

Preferably, the center of circle of the experimental pipeline, the plugging air bag and the pull ring fixing pad is transversely on the same straight line.

Compared with the prior art of airtight experiments of pipeline, the utility model provides an air bag type pipeline plugging device possesses following beneficial effect:

1. the utility model discloses a design a shutoff gasbag in the pipeline, set up eight layers of sealing ring on the shutoff gasbag, when the shutoff gasbag aerifys inflation, eight sealing ring are supported to closely laminate with the circumference inner wall of experiment pipeline, when letting in rivers inwards and doing the airtight test, because eight sealing ring stack layer upon layer, seal layer upon layer, thereby guaranteed the leakproofness of device, improved the experimental accuracy, can put into the end pipe with suitable size gasbag, inflate the inflation and seal the pipe end, the gasbag is withdrawn from after adding water and detecting, the device is convenient and fast, saves cost, respond well;

2. the utility model discloses can plug the shutoff gasbag stopper inside needs test experiment pipeline end, then be connected the gas blow pipe with the blast pipe with the manometer, then with the gas blow pipe rear end on the connection converter the mouth of ventilating nozzle fixed insertion advance the exhaust nozzle in, each component safety is after the butt joint, make a round trip to press down the pressure lever from top to bottom hard, squeeze into the shutoff gasbag with the air, observe the reading of manometer simultaneously, reach after certain requirement, stop pressing, then extract the mouth of ventilating nozzle, it is airtight test to lead to water, experimental completion back, with the air release in the shutoff gasbag, the pulling gasbag pull ring is taken the shutoff gasbag out, convenient next use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of an air bag type pipeline plugging device provided by the utility model;

fig. 2 is a schematic structural view of the plugging air bag provided by the present invention;

fig. 3 is a schematic structural diagram of a connection converter according to the present invention;

in the figure: 1. an experimental pipeline; 2. plugging the air bag; 3. an air inlet and outlet nozzle; 4. a breather nozzle; 5. connecting a converter; 6. an air blowing pipe; 7. a pressure gauge; 8. inflating a gas pipe; 9. a pressing lever; 10. an air-filled rod; 11. the trachea is fixed and buckled; 12. pressing the air cylinder; 13. inflating and stepping on feet; 14. an air outlet pipe; 15. a pressure transducer; 16. an air bag pull ring; 17. a pull ring fixing pad; 18. and (5) sealing the retainer ring.

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. 1-3, the present invention provides a technical solution: an air bag type pipeline plugging device comprises an experimental pipeline 1 and a plugging air bag 2, wherein the plugging air bag 2 is installed inside the circumference of the experimental pipeline 1, an air inlet and outlet nozzle 3 with an outward opening is arranged on the circumferential outer wall of the front end of the plugging air bag 2, a vent nozzle 4 is sleeved inside the circumference of the air inlet and outlet nozzle 3, the diameter of the circumferential outer wall of the vent nozzle 4 is slightly smaller than that of the circumferential inner wall of the air inlet and outlet nozzle 3, the vent nozzle 4 is inserted into the air inlet and outlet nozzle 3 to jack up a sealing device inside the rear end of the air inlet and outlet nozzle 3, so that air can be added into the plugging air bag 2 until the plugging air bag 2 is propped up to seal and plug the experimental pipeline 1, after the experiment is finished, the sealing device inside the rear end of the air inlet and outlet nozzle 3 is jacked up to release the air in the plugging air bag 2, so that the plugging air bag 2 is recovered for the next use, the front end of, connect the inside gas blow pipe 6 that has cup jointed of circumference of converter 5, the front end of gas blow pipe 6 is connected with pressure converter 15, pressure converter 15's upper end is provided with manometer 7, be connected with inflation pipe 8 on pressure converter 15's the preceding side circumference outer wall, the circumference diameter of gas blow pipe 6 is the same with the circumference diameter of inflation pipe 8, press the pole 9 with the air from pressing the inflator 12 through giving vent to anger 14 transport in the inflation pipe 8 through incessantly pressing, lead to gas blow pipe 6 through pressure converter 15 again, judge whether stop inflating through the manometer 7 of observing pressure converter 15 upper end, the air leads to from gas blow pipe 6 and connects converter 5, the mouthpiece 4 of ventilating of being connected by connecting converter 5 rear end finally leads to in shutoff gasbag 2.

An air bag type pipeline plugging device comprises an air outlet pipe 14 sleeved outside the circumference of the foremost end of an air inflating pipe 8, a pressing air cylinder 12 arranged at the front end of the air outlet pipe 14, an air inflating rod 10 arranged inside the circumference of the pressing air cylinder 12, a pressing rod 9 connected to the uppermost end of the air inflating rod 10, an air pipe fixing buckle 11 arranged on the circumferential outer wall of the upper side of the pressing air cylinder 12, an air inflating stepping foot 13 arranged on the circumferential outer wall of the lower side of the pressing air cylinder 12, a pull ring fixing pad 17 arranged on the circumferential outer wall of the front end of a plugging air bag 2, the centers of the experiment pipeline 1, the plugging air bag 2 and the pull ring fixing pad 17 are transversely arranged on a straight line, when the plugging air bag 2 reaches a saturation state, the plugging air bag 2 tightly plugs the experiment pipeline 1, after the experiment is finished, a sealing device arranged inside the rear end of an air inlet and outlet nozzle 3 is jacke, after the shrinkage, can stimulate gasbag pull ring 16 on the peripheral outer wall of shutoff gasbag 2 front end, take out shutoff gasbag 2 from the inside of experiment pipeline 1 to convenient next use.

An air bag type pipeline plugging device comprises an air bag pull ring 16 arranged at the front end of a pull ring fixing pad 17, a sealing check ring 18 arranged on the circumferential outer wall of a plugging air bag 2, the diameter of the circumferential inner wall of an experimental pipeline 1 is slightly larger than that of the outermost circumferential outer wall of the sealing check ring 18, when the plugging air bag 2 is inflated, eight sealing check rings 18 are supported and tightly attached to the circumferential inner wall of the experimental pipeline 1, when water flow is introduced inwards to perform a sealing test, the eight sealing check rings 18 are stacked layer by layer and sealed layer by layer, so that the sealing performance of the device is ensured, the precision of the test is improved, the number of the sealing check rings 18 is eight, the circumferential diameters of the eight sealing check rings 18 are the same, the intervals among the eight sealing check rings 18 are the same, and the diameter of the outermost circumferential outer walls of the eight sealing check rings 18 is slightly larger than, eight sealing retainer rings 18 set gradually on the circumference outer wall of shutoff gasbag 2, when filling gas in to shutoff gasbag 2, because receive the gas expansion to support eight sealing retainer rings 18 to firmly fix shutoff gasbag 2 inside the circumference of experiment pipeline 1.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the plugging air bag 2 is made of high-quality rubber, the plugging air bag 2 is expanded by an inflation method, when the gas pressure in the plugging air bag 2 reaches the specified requirement, the plugging air bag 2 fills the inner section of the whole experiment pipeline 1, the water leakage is blocked by the friction force generated by the outer wall of the sealing check ring 18 on the plugging air bag 2 and the experiment pipeline 1, thereby the water flow is quickly blocked by inflation expansion in the target experiment pipeline 1, the aim of no water seepage is achieved, the plugging air bag 2 is a multi-specification and multi-shape airtight test which is made of rubber, fiber fabric and the like and is needed after the pipeline laying is completed, the plugging air bag can be quickly placed on different pipe diameters, different planes and different positions, is an ideal tool when the airtight test is carried out, when in use, the plugging air bag 2 needs to be plugged inside the end of the experiment pipeline 1 which needs to be tested, then, an air blowing pipe 6 and an air inflating pipe 8 are connected with a pressure gauge 7, then an air vent pipe nozzle 4 on a connection converter 5 at the rear end of the air blowing pipe 6 is fixedly inserted into an air inlet and outlet nozzle 3, after all components are in safe butt joint, a pressing rod 9 is pressed up and down back and forth forcibly, air is squeezed into a plugging air bag 2, meanwhile, the reading of the pressure gauge 7 is observed, after a certain requirement is met, pressing is stopped, then the air vent pipe nozzle 4 is pulled out, water is filled for a sealing test, after the test is completed, the air in the plugging air bag 2 is released, an air bag pull ring 16 is pulled to pull out the plugging air bag 2, and the next use is.

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

1. Gasbag formula pipeline plugging device, including experiment pipeline (1) and shutoff gasbag (2), its characterized in that: the air inlet and outlet device is characterized in that the plugging air bag (2) is arranged inside the circumference of an experimental pipeline (1), an air inlet and outlet nozzle (3) with an outward opening is arranged on the circumferential outer wall of the front end of the plugging air bag (2), an air pipe nozzle (4) is sleeved inside the circumference of the air inlet and outlet nozzle (3), the front end of the air pipe nozzle (4) is connected with a connection converter (5), an air blowing pipe (6) is sleeved inside the circumference of the connection converter (5), the front end of the air blowing pipe (6) is connected with a pressure converter (15), a pressure gauge (7) is arranged at the upper end of the pressure converter (15), an air inflating pipe (8) is connected onto the circumferential outer wall of the front side of the pressure converter (15), an air outlet through pipe (14) is sleeved outside the circumference of the foremost end of the air blowing pipe (8), a pressing air cylinder (12) is arranged at the front end of the air outlet through pipe (14), and an, the inflation rod (10) the top be connected with press down lever (9), be provided with trachea fixed knot (11) on the circumference outer wall of pressing inflator (12) upside, it steps on foot (13) to be provided with to inflate on the circumference outer wall of pressing inflator (12) downside, be provided with pull ring fixed bolster (17) on the front end circumference outer wall of shutoff gasbag (2), the front end of pull ring fixed bolster (17) is provided with gasbag pull ring (16), be provided with sealing ring (18) on the circumference outer wall of shutoff gasbag (2).

2. The balloon type pipeline plugging device according to claim 1, wherein: the eight sealing check rings (18) are arranged, the circumferential diameters of the eight sealing check rings (18) are the same, the intervals of the eight sealing check rings (18) are the same, and the circumferential diameter of the outermost outer wall of the eight sealing check rings (18) is slightly larger than the diameter of the circumferential outer wall of the plugging air bag (2).

3. A balloon type pipeline plugging device according to claim 1 or 2, wherein: the diameter of the circumferential inner wall of the experimental pipeline (1) is slightly larger than that of the outermost circumferential outer wall of the sealing retainer ring (18).

4. A balloon type pipeline plugging device according to claim 3, wherein: the diameter of the circumferential outer wall of the ventilating nozzle (4) is slightly smaller than that of the circumferential inner wall of the air inlet and outlet nozzle (3).

5. A balloon type pipeline plugging device according to claim 1, 2 or 4, wherein: the circumferential diameter of the air blowing pipe (6) is the same as that of the air blowing pipe (8).

6. The balloon type pipeline plugging device according to claim 5, wherein: the center of a circle of the experimental pipeline (1), the plugging air bag (2) and the pull ring fixing pad (17) is transversely on the same straight line.