CN215258517U - Blocking plate air bag for pipeline detection - Google Patents

Blocking plate air bag for pipeline detection Download PDF

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Publication number
CN215258517U
CN215258517U CN202121322744.7U CN202121322744U CN215258517U CN 215258517 U CN215258517 U CN 215258517U CN 202121322744 U CN202121322744 U CN 202121322744U CN 215258517 U CN215258517 U CN 215258517U
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China
Prior art keywords
connecting flange
pipeline
limiting plate
airbag
layer
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CN202121322744.7U
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Chinese (zh)
Inventor
蔡茂
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Shanghai Jietou Energy Technology Co ltd
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Shanghai Jietou Energy Technology Co ltd
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Priority to CN202121322744.7U priority Critical patent/CN215258517U/en
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Abstract

The utility model discloses a baffle airbag for pipeline detection in the technical field of pipeline detection, which comprises a pipeline and an airbag body, wherein the airbag body comprises an inner container layer, a polyamide fiber wiring layer and an outer rubber layer which are sequentially arranged from the inner layer to the outer layer, the right end of the airbag body is provided with an inflation inlet, the right end of the inflation inlet is fixedly connected with an inflation tube, the outer wall of the inflation tube is provided with an integrally formed limiting plate, the right end of the pipeline is provided with a first connecting flange, the right side of the first connecting flange is provided with a matched second connecting flange, the limiting plate is fixedly connected with the right side of the second connecting flange through a bolt, the top of the inflation tube is arranged at the right side of the limiting plate and is provided with a valve, the right end of the inflation tube is provided with a sealing cover, the utility model solves the problem of poor stability of the baffle airbag when in use, so that the airbag is not easy to slide out from the pipeline under the condition of large water pressure, meanwhile, the problem that the blocking plate air bag is easy to age after being used for a long time is solved.

Description

Blocking plate air bag for pipeline detection
Technical Field
The utility model relates to a pipeline inspection technical field specifically is stifled board gasbag is used in pipeline inspection.
Background
The in-pipeline detection refers to the operation of driving a detector to run in a pipeline by using a pipe conveying medium, detecting and recording the damage conditions of deformation, corrosion and the like of the pipeline in real time and accurately positioning. In the installation, construction, mediation, maintenance and relevant performance test of water pipe way, all need hold back the water in the pipeline at working face upper reaches, in the current technique of holding back, adopt the closure plate gasbag to carry out the shutoff usually and hold back. The existing plugging plate air bag for pipeline detection is poor in stability when in use, so that the air bag easily slides out of a pipeline under the condition of large water pressure, meanwhile, the existing plugging plate air bag for pipeline detection is easy to age under long-time use, and therefore the plugging plate air bag for pipeline detection is provided.
Disclosure of Invention
An object of the utility model is to provide a closure plate gasbag is used in pipeline inspection to the current closure plate gasbag is used in pipeline inspection that proposes in solving above-mentioned background art steadiness when using is relatively poor, problem easy ageing under long-time use.
In order to achieve the above object, the utility model provides a following technical scheme: the blocking plate air bag for pipeline detection comprises a pipeline and an air bag body, wherein the air bag body is positioned in an inner cavity of the pipeline, the air bag body comprises an inner container layer, a polyamide fiber wiring layer and an outer adhesive layer which are sequentially arranged from an inner layer to an outer layer, the right end of the air bag body is provided with an inflation inlet communicated with the inner cavity of the air bag body, the right end of the inflation inlet is fixedly connected with an inflation tube, the outer wall of the inflation tube is provided with an integrally formed limiting plate, the right end of the pipeline is provided with a first connecting flange, the right side of the first connecting flange is provided with a second connecting flange which is matched with the first connecting flange, the left end of the inflation tube sequentially penetrates through the inner cavities of the second connecting flange and the first connecting flange, the limiting plate passes through the bolt with second flange's right side fixed connection, the top of gas tube is located the right-hand installation of limiting plate is provided with the valve, the right-hand member of gas tube is provided with sealed lid.
Preferably, the limiting plate is arranged in an annular structure, threaded blind holes which are arranged in an annular array are formed in the edge, close to the limiting plate, of the limiting plate, and the outer diameter of the limiting plate is larger than the inner diameter of the second connecting flange.
Preferably, a sealing gasket is arranged between the first connecting flange and the second connecting flange, and the first connecting flange is detachably connected with the second connecting flange through bolts and nuts.
Preferably, the polyamide fiber wiring layer is provided with a plurality of layers, and the outer rubber layer is a composite rubber layer.
Preferably, the inner wall of the right end of the inflation tube is provided with an internal thread, the outer wall of the left end of the sealing cover is provided with an external thread, and the inflation tube is detachably connected with the sealing cover.
Preferably, the right end axis of the sealing cover is fixedly connected with a pull ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an outer wall at the gas tube is provided with the limiting plate, through bolt with limiting plate and second flange fixed connection, through the cooperation of first flange and second flange, with the fine fixing in the pipeline of gasbag body, solved the current relatively poor problem of steadiness when using of closure plate gasbag for pipeline inspection for the gasbag is difficult to follow the roll-off in the pipeline under the great condition of water pressure.
2. The utility model discloses an air bag body includes inner bag layer, polyamide amide wiring layer and outer glue film, and polyamide fiber wiring layer has characteristics such as intensity height, ageing-resistant, high temperature resistant, and outer glue film is compound rubber layer, has characteristics such as wear-resisting, anti-aging, has solved current stifled board gasbag for pipeline inspection and has appeared ageing problem easily under long-time use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the airbag body of the present invention;
FIG. 3 is a schematic view of a part of the structure of the present invention;
fig. 4 is a schematic view of the structure of the inflation tube of the present invention.
In the figure: 1. a pipeline; 2. an airbag body; 201. an inner container layer; 202. a polyamide fiber wiring layer; 203. an outer adhesive layer; 3. a first connecting flange; 4. an inflation inlet; 5. an inflation tube; 6. a limiting plate; 7. a second connecting flange; 8. a threaded blind hole; 9. sealing gaskets; 10. a valve; 11. a sealing cover; 12. an internal thread; 13. an external thread; 14. and (4) a pull 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.
Example 1:
referring to fig. 1 and fig. 2, the present invention provides a technical solution: pipeline detects uses closure plate gasbag, including pipeline 1 and gasbag body 2, gasbag body 2 is located pipeline 1's inner chamber, gasbag body 2 includes inner bag layer 201 that sets gradually from inlayer to skin, polyamide fiber wiring layer 202 and outer rubber layer 203, polyamide fiber wiring layer 202 is provided with the multilayer, outer rubber layer 203 is the compound rubber layer, polyamide fiber wiring layer 202 has intensity height, ageing-resistant, characteristics such as high temperature resistant, the compound rubber layer has characteristics such as wear-resisting, anti-aging, the problem of ageing appears easily under long-time use of current closure plate gasbag for pipeline detects has been solved.
Referring to fig. 3, an inflation inlet 4 communicated with an inner cavity of the airbag body 2 is arranged at the right end of the airbag body 2, an inflation tube 5 is fixedly connected to the right end of the inflation inlet 4, the inflation tube 5 can be connected with inflation equipment, and gas is introduced into the airbag body 2 from the inflation inlet 4 through the inflation tube 5 until the outer wall of the airbag body 2 is in close contact with the inner wall of the pipeline 1, so that the airbag body 2 plays a role in plugging the pipeline 1.
Referring to fig. 1 and 3, the outer wall of the inflation tube 5 is provided with an integrally formed limiting plate 6, the right end of the pipeline 1 is provided with a first connecting flange 3, the limiting plate 6 is arranged in an annular structure, threaded blind holes 8 arranged in an annular array are formed near the edge of the limiting plate 6, the outer diameter of the limiting plate 6 is larger than the inner diameter of the second connecting flange 7, the right side of the first connecting flange 3 is provided with a second connecting flange 7 matched with the second connecting flange 7, a sealing gasket 9 is arranged between the first connecting flange 3 and the second connecting flange 7, the first connecting flange 3 is detachably connected with the second connecting flange 7 through bolts and nuts, the flange connection mode can bear larger pressure, the limiting plate 6 is fixedly connected with the second connecting flange 7 through bolts, the airbag body 2 is well fixed in the pipeline 1 through the matching of the first connecting flange 3 and the second connecting flange 7, the problem of current stifled board gasbag for pipeline inspection steadiness relatively poor when using is solved for gasbag body 1 is difficult to follow roll-off in pipeline 1 under the great condition of water pressure.
Referring to fig. 1, the left end of the inflation tube 5 sequentially penetrates through the inner cavities of the second connecting flange 7 and the first connecting flange 3, and the limiting plate 6 is fixedly connected to the right side of the second connecting flange 7 through bolts, so that the limiting plate 6 has good stability.
Example 2:
referring to fig. 4, this embodiment is different from the first embodiment in that: the right-hand installation that the top of gas tube 5 is located limiting plate 6 is provided with valve 10, can control the gas flow in gas tube 5, avoid leading to gasbag body 1 to damage because of gas flow is too big, the right-hand member of gas tube 5 is provided with sealed lid 11, play sealed effect, internal thread 12 has been seted up to the right-hand member inner wall of gas tube 5, external screw thread 13 has been seted up to the left end outer wall of sealed lid 11, gas tube 5 can dismantle with sealed lid 11 and be connected, after gasbag body 2 aerifys and finishes, close valve 10, the left end of sealed lid 11 is screwed up with the right-hand member of gas tube 5, avoid gas to leak from gas tube 5, the right-hand member axle center department fixed connection pull ring 14 of sealed lid 11, conveniently twist through pull ring 14 and move sealed lid 11.
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 (6)

1. Stifled board gasbag is used in pipeline inspection, including pipeline (1) and gasbag body (2), its characterized in that: the air bag body (2) is located in an inner cavity of the pipeline (1), the air bag body (2) comprises an inner container layer (201), a polyamide fiber wiring layer (202) and an outer adhesive layer (203) which are sequentially arranged from an inner layer to an outer layer, the right end of the air bag body (2) is provided with an inflation inlet (4) communicated with the inner cavity of the air bag body, the right end of the inflation inlet (4) is fixedly connected with an inflation tube (5), the outer wall of the inflation tube (5) is provided with an integrally formed limiting plate (6), the right end of the pipeline (1) is provided with a first connecting flange (3), the right side of the first connecting flange (3) is provided with a second connecting flange (7) which is matched with the right side of the second connecting flange (7), the left end of the inflation tube (5) sequentially penetrates through the inner cavities of the second connecting flange (7) and the first connecting flange (3), and the limiting plate (6) is fixedly connected with the right side of the second connecting flange (7) through bolts, the top of gas tube (5) is located the right-hand installation of limiting plate (6) is provided with valve (10), the right-hand member of gas tube (5) is provided with sealed lid (11).
2. The bulkhead airbag for pipeline inspection according to claim 1, wherein: the limiting plate (6) is arranged in an annular structure, the limiting plate (6) is provided with threaded blind holes (8) which are arranged in an annular array close to the edge, and the outer diameter of the limiting plate (6) is larger than the inner diameter of the second connecting flange (7).
3. The bulkhead airbag for pipeline inspection according to claim 1, wherein: a sealing gasket (9) is arranged between the first connecting flange (3) and the second connecting flange (7), and the first connecting flange (3) is detachably connected with the second connecting flange (7) through bolts and nuts.
4. The bulkhead airbag for pipeline inspection according to claim 1, wherein: the polyamide fiber wiring layer (202) is provided with a plurality of layers, and the outer rubber layer (203) is a composite rubber layer.
5. The bulkhead airbag for pipeline inspection according to claim 1, wherein: an internal thread (12) is formed in the inner wall of the right end of the inflation tube (5), an external thread (13) is formed in the outer wall of the left end of the sealing cover (11), and the inflation tube (5) is detachably connected with the sealing cover (11).
6. The bulkhead airbag for pipeline inspection according to claim 1, wherein: and the right end axle center of the sealing cover (11) is fixedly connected with a pull ring (14).
CN202121322744.7U 2021-06-15 2021-06-15 Blocking plate air bag for pipeline detection Active CN215258517U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121322744.7U CN215258517U (en) 2021-06-15 2021-06-15 Blocking plate air bag for pipeline detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121322744.7U CN215258517U (en) 2021-06-15 2021-06-15 Blocking plate air bag for pipeline detection

Publications (1)

Publication Number Publication Date
CN215258517U true CN215258517U (en) 2021-12-21

Family

ID=79479578

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121322744.7U Active CN215258517U (en) 2021-06-15 2021-06-15 Blocking plate air bag for pipeline detection

Country Status (1)

Country Link
CN (1) CN215258517U (en)

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