CN218599143U

CN218599143U - Water plugging air bag for pipeline construction

Info

Publication number: CN218599143U
Application number: CN202222743914.XU
Authority: CN
Inventors: 周云川; 郭伟; 黄先发; 字晓波
Original assignee: China Aneng Group First Engineering Bureau Co Ltd
Current assignee: China Aneng Group First Engineering Bureau Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-10
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a pipeline construction water shutoff gasbag relates to municipal pipeline water shutoff gasbag technical field, include: a bottom attachment assembly; the bottom attaching assembly is hollow and is used for being connected with the bottom of the pipeline, and a flow control part for controlling water flow circulation is arranged on the bottom attaching assembly; a circumferential fixing component; the circumferential fixing component is connected with the bottom attaching component and is used for being connected with the peripheral inner wall of the pipeline; a water sealing assembly; the water sealing assembly is connected with the circumferential fixing assembly and used for sealing water flow in the pipeline. The pressure of rivers can be alleviateed in the installation, simple to operate, it is firm with being connected of pipeline.

Description

Water plugging air bag for pipeline construction

Technical Field

The utility model relates to a municipal administration pipeline water shutoff gasbag technical field especially relates to a pipeline construction water shutoff gasbag.

Background

When the municipal pipeline is repaired or replaced, because the construction is often difficult to carry out due to the right water flow in the pipeline, the water flow in the pipeline needs to be cut off so as to facilitate the operation when the municipal pipeline is repaired or replaced; the commonly used method is to repair cover a roof with straw brick walls, pile up sandbags or use water-plugging air bags to cut off water flow in the pipelines, both the above-mentioned two methods of repairing brick walls and piling up sandbags operate under the condition of water, the water flow easily affects the effect of cutting off the brick walls or sandbags, and the workload of repairing brick walls or piling up sandbags is large, the difficulty of operation is increased even in the construction in the pipelines, the construction time is long, and the efficiency is low; the Chinese utility model patent with the patent number CN214425409U discloses a water shutoff air bag for a pipeline, which ensures that the air bag inner film supports the structures such as the first supporting plate and the second supporting plate when the air bag is inflated by matching the structures such as the air bag outer film, the air bag inner film, the first supporting plate, the second supporting plate, and the like, the spring is utilized to ensure that the contact between the air bag outer film and the inner wall of the pipeline is more compact, and meanwhile, the elasticity and other various requirements of the air bag are ensured, and the water shutoff effect of the air bag is ensured; this patent is through aerifing the back with the pipeline inner wall cooperation and carrying out water shutoff to water shutoff gasbag, nevertheless aerify the in-process that rises to water shutoff gasbag, do not consider because the volume increase of gasbag makes the space between gasbag and the pipeline inner wall reduce, thereby make the problem that rivers pressure increase promotes water shutoff gasbag removal and target water shutoff position of skew easily, and when pipeline inner wall is pressed close to water shutoff gasbag's outer wall, the rivers that collect receive pressure and spray easily, the degree of difficulty when increasing water shutoff gasbag installation, only the outer wall and the pipeline inner wall friction of water shutoff gasbag after the water shutoff gasbag installation are fixed and are carried out the shutoff, fixed effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline construction water shutoff gasbag for solve present water shutoff gasbag and install in the pipeline difficult problem that the degree of difficulty is big when fixing a position, installing water shutoff gasbag.

In order to achieve the above object, the utility model provides a water shutoff air bag for pipeline construction, include:

a bottom attachment assembly; the bottom attaching assembly is hollow and is used for being connected with the bottom of the pipeline, and a flow control part for controlling water flow circulation is arranged on the bottom attaching assembly;

a circumferential fixing component; the circumferential fixing component is connected with the bottom attaching component and is used for being connected with the peripheral inner wall of the pipeline;

a water sealing assembly; the water sealing assembly is connected with the circumferential fixing assembly and used for sealing water flow in the pipeline.

Further, the bottom attachment assembly comprises a bottom bag body and a transition bag body; the bottom bag body is hollow, and a water inlet is formed in the bottom bag body; the transition capsule body is hollow and arranged at the tail end of the bottom capsule body.

Furthermore, a filter screen is arranged on the water inlet.

Furthermore, the flow control part comprises a drain pipe, a flow control bag and an interception bag; the water drain pipe is communicated with the transitional bag body; the flow control bag is an annular bag body and is arranged on the inner wall of the drain pipe; the intercepting bag is arranged at the port of the flow control bag close to the transition pipe and is T-shaped; and the bottom bag body is provided with a first inflation tube and a second inflation tube which are respectively communicated with the flow control bag and the flow stopping bag.

Further, the circumferential fixation assembly comprises a circumferential fixation balloon; the circumferential fixing bag is hollow and communicated with the bottom attaching assembly, and a circumferential pressurizing bag is arranged in the inner wall of the circumferential fixing bag; and a third inflation tube communicated with the circumferential pressurizing bag is arranged on the bottom attaching component.

Further, the water sealing assembly comprises a water sealing bag; the water sealing bag is arranged on the right end face, far away from the water inlet, of the circumferential fixing bag and communicated with the circumferential pressurizing bag.

Furthermore, reinforced bag tubes are arranged in the circumferential pressurizing bag at intervals; a reinforced bag pipe network is arranged in the water sealing bag; the reinforced bag tube is connected with the reinforced bag tube network and communicated with a third inflation tube.

The beneficial effects of the utility model are embodied in:

1. by arranging the bottom attaching assembly, the flow control part, the circumferential fixing assembly and the water sealing assembly, the bottom attaching assembly is hollow and can contain water flow in a pipeline, so that the bottom attaching assembly sinks into the bottom of the pipeline, the bottom attaching assembly cannot influence the flow of the water flow, the bottom attaching assembly is convenient to be connected and positioned with the bottom of the pipeline, the water flow in the bottom attaching assembly is discharged through the flow control part, the water flow in the pipeline flows out through the bottom attaching assembly and the flow control part, meanwhile, the circumferential fixing assembly is used for unfolding after the bottom attaching assembly sinks into the bottom of the pipeline and is connected with the periphery of the inner wall of the pipeline, the water flow can flow from the edge of the circumferential fixing assembly which is never completely attached to the inner wall of the pipeline and the flow control part, the pressure of the water flow on the bottom attaching assembly and the circumferential fixing assembly is reduced, and therefore the circumferential fixing assembly and the water sealing assembly are connected with the pipeline; after the attached subassembly in bottom, the fixed subassembly of circumference, water shutoff subassembly and the pipe inner wall connection, rivers can only flow from accuse stream portion, close accuse stream portion and can cut rivers, and the maintenance operation of being convenient for is convenient for fix a position at the in-process of this stifled water gasbag for municipal pipeline construction of installation, can progressively cut rivers, avoids the too big drive stifled water gasbag of rivers pressure to remove simple to operate in the installation.

2. Through strengthening bag pipe, strengthening bag pipe network, can strengthen the water-pressure resistance ability of sealing the water subassembly, improve water shutoff ability.

Drawings

FIG. 1 is a schematic view of the overall structure of a water shutoff air bag for pipeline construction according to the present invention;

FIG. 2 is a schematic cross-sectional structure view of the circumferential fixing component and the flow control part of the water shutoff air bag for pipeline construction according to the present invention;

FIG. 3 is a schematic structural view of a reinforced bag tube and a reinforced bag tube net of the water shutoff air bag for pipeline construction of the present invention;

description of reference numerals:

1. a bottom attachment assembly; 101. a bottom bladder; 102. a transitional capsule body; 103. a water inlet; 104. a filter screen; 2. a circumferential fixing component; 201. a circumferential fixing bag; 202. a circumferential compression bladder; 3. a water sealing assembly; 301. sealing the water bag; 4. a flow control part; 401. a drain pipe; 402. a flow control bag; 403. an intercepting bag; 5. a first gas-filled tube; 6. a second gas-filled tube; 7. a third gas-filled tube; 8. reinforcing the balloon catheter; 9. a reinforced balloon tubing mesh;

Detailed Description

In an embodiment, as shown in fig. 1 or 2, the utility model discloses a pipeline construction water shutoff gasbag, include:

a bottom attachment assembly 1; the bottom attaching assembly 1 is hollow and is used for being connected with the bottom of a pipeline, and a flow control part 4 for controlling water flow circulation is arranged on the bottom attaching assembly 1;

a circumferential fixing component 2; the circumferential fixing component 2 is connected with the bottom attaching component 1 and is used for being connected with the peripheral inner wall of the pipeline;

a water sealing component 3; the water sealing assembly 3 is connected with the circumferential fixing assembly 2 and used for sealing water flow in the pipeline.

When the municipal pipeline is maintained or replaced, the water plugging air bag is usually used for cutting off water flow so as to facilitate the maintenance and replacement work, the currently used water plugging air bag is inflated and expanded after being placed in the pipeline and is tightly attached to the inner wall of the pipeline for plugging the pipeline, the water plugging air bag is easy to move away from a target cutting-off position along with the water flow in the plugging process, the subsequent work is influenced, and the installation difficulty is high; the water plugging air bag is only attached to the inner wall of the pipeline through air pressure, and water flow is plugged only by friction force between the water plugging air bag and the inner wall of the pipeline, so that the fixing effect is poor; the utility model relates to a pipeline construction water shutoff gasbag, through the attached subassembly 1 of bottom inside full of water immerse the pipeline bottom earlier, keep the position of the attached subassembly 1 of bottom in preset position under the gravity of the inside rivers of the attached subassembly 1 of bottom and the pressure of rivers in the pipeline, the staff's operation of being convenient for to when installing the attached subassembly 1 of bottom, rivers in the pipeline are not totally plugged, cut off, rivers can normally flow, the thrust that acts on the attached subassembly 1 of bottom is little; after the installation of the attached subassembly 1 in bottom is accomplished, through the inner wall connection of the fixed subassembly 2 of circumference and pipeline, when the inner wall connection of the fixed subassembly 2 of operation circumference and pipeline, accessible accuse stream portion 4 releases the attached subassembly 1 in bottom, rivers in the pipeline, alleviate the thrust of rivers to the fixed subassembly 2 of circumference, in the fixed subassembly 2 of circumference expandes the in-process with the pipe inner wall connection, water seal subassembly 3 expands along with it and carries out the shutoff to the rivers in the pipeline, when the fixed subassembly 2 of circumference is not connected with the pipe inner wall, rivers are from accuse stream portion, flow between the fixed subassembly 2 of circumference and the pipe inner wall, when the fixed subassembly 2 of circumference is connected with the pipe inner wall, rivers flow from accuse stream portion 4 and flow out, after the fixed subassembly 2 of circumference, water seal subassembly 3 installation, close accuse stream portion 4, carry out the shutoff to rivers, the attached subassembly 1 in bottom improves the stability of this kind of pipeline construction water shutoff gasbag under the effect of rivers gravity, cooperation circumference fixed subassembly 2 makes this kind of pipeline construction shutoff effect to rivers in the pipeline better, it is more stable with the connection of pipeline, simple to install, and easy to operate.

In one embodiment, referring to fig. 1 or 2, said bottom affixation assembly 1 comprises a bottom capsule 101, a transition capsule 102; the bottom bag body 101 is hollow, and a water inlet 103 is formed in the bottom bag body 101; the transition bladder 102 is hollow on the trailing end of base bladder 101. When the attached subassembly 1 in installation bottom, in introducing bottom utricule 101 with rivers through water inlet 103 on bottom utricule 101, this moment, accuse portion 4 is closed, and rivers get into bottom utricule 101 back and take bottom utricule 101 to sink to the pipeline bottom, under the effect of the inside rivers gravity of bottom utricule 101 and the pressure of the outside rivers of bottom utricule 101, the position of the attached subassembly 1 in the operating personnel of being convenient for control bottom and pipe connection.

In an embodiment, as shown in fig. 1 or 2, a filter screen 104 is disposed on the water inlet 103, and the filter screen 104 can filter impurities in the water flow, so as to prevent the impurities from entering the bottom attaching assembly 1 to cause blockage or damage to the bottom attaching assembly 1.

In one embodiment, referring to fig. 1 or 2, the flow control portion 4 comprises a drain pipe 401, a flow control bladder 402, a shut-off bladder 403; the drain 401 is in communication with the transition bladder 102; the flow control bag 402 is an annular bag body and is arranged on the inner wall of the drain pipe 401; the intercepting bag 403 is arranged at the port of the flow control bag 402 close to the transition pipe, and the intercepting bag 403 is T-shaped; a first inflation pipe 5 and a second inflation pipe 6 which are respectively communicated with the flow control bag 402 and the flow stopping bag 403 are arranged on the bottom bag body 101; whether water flow entering the bottom attaching assembly 1 is discharged or not is controlled through the flow control part 4, when the flow control part 4 is closed to enable the water flow to be kept in the bottom attaching assembly 1, an inflator pump is respectively connected with the first inflation tube 5 and the second inflation tube 6, the flow control bag 402 is inflated through the first inflation tube 5, the inner diameter of the discharge tube is reduced after the flow control bag 402 is inflated to expand, the water flow is cut off for the first time, the cut-off bag 403 is inflated through the second inflation tube 6, the port of the flow control bag 402 is blocked after the cut-off bag 403 is inflated to expand, the water flow is cut off for the second time, one end of the T-shaped flow control bag 402 is inserted into the flow control bag 402, and the end face of the other end of the T-shaped flow control bag 402 is attached to the end face of the flow control bag 402, so that the flow control part 4 is closed; when the flow control part 4 is opened for drainage, the gas in the intercepting bag 403 and the flow control bag 402 is discharged after the flow control bag 402 and the intercepting bag 403 are shrunk, so that the drainage can be realized.

In an embodiment, as shown with reference to fig. 1 or 2, the circumferential anchoring assembly 2 comprises a circumferential anchoring bladder 201; the circumferential fixing bag 201 is hollow and communicated with the bottom attaching component 1, and a circumferential pressurizing bag 202 is arranged in the inner wall of the circumferential fixing bag 201; the utility model discloses a periphery fixed assembly 2, including circumference fixed subassembly 1, be equipped with the third gas tube 7 that communicates with circumference pressurization bag 202 on the attached subassembly 1 in bottom, when being connected circumference fixed subassembly 2 with the pipeline inner wall, open accuse stream portion 4 and discharge the rivers in the attached subassembly 1 in bottom, rivers in the pipeline flow from accuse stream portion 4 outflow, reduce rivers to the pressure of circumference fixed subassembly 2, use the pump to be connected with third gas tube 7 and inflate for circumference fixed bag 201, the gas that fills in gets into circumference pressurization bag 202 and makes circumference pressurization bag 202 rise and paste tightly with the inner wall of pipeline, make circumference fixing device be connected with the pipeline inner wall, in the process of the pipeline inner wall connection after circumference fixed subassembly 2 expandes, water seal assembly 3 expandes thereupon and carries out the shutoff to rivers, circumference pressurization bag 202 drives the outer wall of circumference fixed bag 201 and hugs closely with the inner wall of pipeline after, the rivers that accuse stream portion 4 can not discharge rivers from water inlet 103 on the attached subassembly 1 in bottom gets into the attached subassembly 1, along with the rising of the water level in the pipeline, rivers get into the circumference fixed bag 201 and act on the lateral wall of circumference fixed bag 201, seal up on the front of subassembly 3, simultaneously, make the circumference fixed bag 201 more stable the inside extrusion bag 201 of circumference fixed bag 201 of circumference connected with the circumference, make circumference connected subassembly 201, the circumference fixed subassembly 201.

In one embodiment, referring to fig. 1 or 2, the water sealing assembly 3 includes a water sealing bladder 301; the water sealing bag 301 is arranged on the right end face, far away from the water inlet 103, of the circumferential fixing bag 201, the water sealing bag 301 is communicated with the circumferential pressurizing bag 202, and gas enters the water sealing bag 301 to drive the water sealing bag 301 to expand to seal water flow in the process that the circumferential pressurizing bag 202 is inflated to expand.

In one embodiment, as shown in fig. 1 or 2, reinforced bag tubes 8 are spaced within the circumferential compression bag 202; a reinforced bag pipe network 9 is arranged in the water sealing bag 301; the reinforced bag pipe 8 is connected with the reinforced bag pipe network 9 and is communicated with the third inflation pipe 7; in order to improve the bearing capacity of the water sealing bag 301 to water flow pressure, the reinforced bag tube 8 and the reinforced bag tube network 9 provide support for the water sealing bag 301 after being inflated through the third inflation tube 7, and the water sealing capacity of the water sealing bag 301 is enhanced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pipeline construction water shutoff gasbag which characterized in that includes:

a bottom attachment assembly (1); the bottom attaching assembly (1) is hollow and is used for being connected with the bottom of a pipeline, and a flow control part (4) for controlling water flow circulation is arranged on the bottom attaching assembly (1);

a circumferential fixing assembly (2); the circumferential fixing component (2) is connected with the bottom attaching component (1) and is used for being connected with the peripheral inner wall of the pipeline;

a water sealing assembly (3); the water sealing assembly (3) is connected with the circumferential fixing assembly (2) and used for sealing water flow in the pipeline.

2. The water shutoff air bag for pipeline construction according to claim 1, characterized in that: the bottom attaching assembly (1) comprises a bottom capsule body (101) and a transition capsule body (102); the bottom bag body (101) is hollow, and a water inlet (103) is formed in the bottom bag body (101); the transition capsule body (102) is arranged on the tail end of the bottom capsule body (101) in a hollow mode.

3. The water shutoff air bag for pipeline construction according to claim 2, characterized in that: a filter screen (104) is arranged on the water inlet (103).

4. The water shutoff air bag for pipeline construction according to claim 2, characterized in that: the flow control part (4) comprises a drain pipe (401), a flow control bag (402) and an interception bag (403); the drain pipe (401) is communicated with the transition capsule body (102); the flow control bag (402) is an annular bag body and is arranged on the inner wall of the drain pipe (401); the intercepting bag (403) is arranged at the port of the flow control bag (402) close to the transition pipe, and the intercepting bag (403) is T-shaped; and a first inflation tube (5) and a second inflation tube (6) which are respectively communicated with the flow control bag (402) and the interception bag (403) are arranged on the bottom bag body (101).

5. The water shutoff air bag for pipeline construction according to claim 4, characterized in that: the circumferential fixing component (2) comprises a circumferential fixing bag (201); the inner part of the circumferential fixing bag (201) is hollow and is communicated with the bottom attaching component (1), and a circumferential pressurizing bag (202) is arranged in the inner wall of the circumferential fixing bag (201); and a third inflation tube (7) communicated with the circumferential pressurizing bag (202) is arranged on the bottom attaching component (1).

6. The water shutoff air bag for pipeline construction according to claim 5, characterized in that: the water sealing assembly (3) comprises a water sealing bag (301); the water sealing bag (301) is arranged on the right end face, far away from the water inlet (103), of the circumferential fixing bag (201), and the water sealing bag (301) is communicated with the circumferential pressurizing bag (202).

7. The water shutoff air bag for pipeline construction according to claim 6, characterized in that: reinforced bag tubes (8) are arranged in the circumferential pressurizing bag (202) at intervals; a reinforced bag pipe network (9) is arranged in the water sealing bag (301); the reinforced bag tube (8) is connected with the reinforced bag tube net (9) and is communicated with the third inflation tube (7).