CN219345874U - Air bag plugging device for pressurized pipeline - Google Patents
Air bag plugging device for pressurized pipeline Download PDFInfo
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- CN219345874U CN219345874U CN202320266357.9U CN202320266357U CN219345874U CN 219345874 U CN219345874 U CN 219345874U CN 202320266357 U CN202320266357 U CN 202320266357U CN 219345874 U CN219345874 U CN 219345874U
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- movable rod
- sealing
- air bag
- cover
- balloon
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides an air bag plugging device for a pressurized pipeline, which comprises the following components: a bell jar type connecting flange is arranged on the open side of the lower part of the combining cover; the movable rod support frame is fixed on the upper part of the combined cover; the movable rod penetrates through the combined cover and the movable rod support frame and protrudes out of the movable rod support frame, the movable rod is supported by the movable rod support frame, and the movable rod moves along a normal straight line of a plane where the open side of the combined cover is located; the movable rod is provided with threads on the outer surface of one side of the movable rod supporting frame, and the end part of the movable rod is provided with an inflation valve. The utility model utilizes the airbag imbedding device which is provided with the hole in advance and is provided with the valve with the hole, realizes the imbedding and the taking out of the airbag under the complete airtight condition, and realizes the leakage of the medium 0. The guide pin and the guide pin groove are matched with the pressure gauge, so that autorotation abrasion during the air bag entering and exiting is avoided, and the repeated use rate of the air bag is improved.
Description
Technical Field
The utility model belongs to the technical field of pipeline maintenance, and particularly relates to a device for placing an air bag into a plugging device in a pressurized pipeline environment.
Background
When the pipeline and the connecting equipment need to be overhauled, the overhauling can be usually implemented after the cutting valve is closed to cut off the energy medium, but the overhauling cannot be implemented when the cutting valve is internally leaked, and the overhauling system is stopped when the overhauling system is wanted to be implemented, but in actual production, the hidden danger exists for a long time because the continuous pipeline system of production is difficult to stop running in time, if the production is stopped, the production is interrupted, and the economic loss is large.
In the prior art, various devices for plugging by utilizing an air bag exist, such as a gas pipeline plugging device (publication number 208348792U) and an oil pipeline hole-stealing pressurized plugging device (publication number 216112777U), which all disclose technical schemes for plugging by utilizing plugging pieces and rubber barrels, but the above technical schemes are complex to operate, and the air bag imbedding device after pre-punching and installing a pressurized punching valve is not utilized.
Disclosure of Invention
The inventor provides a novel air bag plugging device for a pressurized pipeline according to the defects that the device is complex to install and is not matched with a pressurized open pore valve in the prior art.
The utility model adopts the technical scheme that:
an air bag plugging device for a pressurized pipeline, comprising: a bell jar type connecting flange is arranged on the open side of the lower part of the combining cover; the movable rod support frame is fixed on the upper part of the combined cover; the movable rod penetrates through the combined cover and the movable rod support frame and protrudes out of the movable rod support frame, the movable rod is supported by the movable rod support frame, and the movable rod moves along a normal straight line of a plane where the open side of the combined cover is located;
the movable rod is provided with threads on the outer surface of one side of the movable rod support frame, and the end part of the movable rod is provided with an inflation valve;
a sealing component is arranged at the contact part of the movable rod and the combined cover;
the hand wheel is sleeved on the movable rod, a thread matched with the thread on the movable rod is arranged on the contact surface of the hand wheel and the movable rod, and when the hand wheel rotates around the movable rod, the movable rod moves relative to the movable rod supporting frame and the combined cover; the hand wheel is a rod-shaped body which takes the movable rod as a starting point and extends along the radial direction or a circular ring which takes the movable rod as a center, and a bulge is arranged in the circular ring and is matched with the movable rod;
the air bag is connected with one end of the movable rod at the joint cover, and the inside of the air bag is communicated with the air source channel.
Further, a pressure gauge is arranged at one end of the movable rod at the air charging valve;
further, a guide pin is arranged in the movable rod supporting frame towards the movable rod side: the outer surface of the movable rod is provided with a guide pin groove which is matched with the guide pin and is recessed inwards; the guide pin is matched with the guide pin groove to prevent the movable rod from rotating.
Further, the seal assembly includes:
the sealing groove is positioned at the outer side of the upper part of the combined cover, a groove body is arranged on the combined cover, and the movable rod penetrates through the sealing groove;
the sealing pressure plate is positioned at the outer side of the upper part of the combined cover, the center of the sealing pressure plate is provided with a pore canal matched with the movable rod, and the sealing pressure plate is opposite to the sealing groove in position;
the sealing piece is tightly attached to the movable rod and is positioned between the sealing groove and the sealing pressure plate;
and the fixing bolt is used for connecting the sealing pressure plate with the combined cover and providing a pressing force of the sealing pressure plate on the sealing element.
Further, a protrusion facing the direction of the sealing groove is arranged on one side of the sealing pressure plate opposite to the sealing groove.
Further, the sealing element is a packing or a rubber ring.
Further, the outer surface of the air bag is embedded with a pressure sensor.
Furthermore, the pressure sensors are two or more than two groups and are embedded on two outer side surfaces of the air bag, wherein the two outer side surfaces are mirror images in the direction of the movable rod.
Further, the pressure sensors are three groups, are positioned in the middle of the air bag and are 120 degrees to each other.
Further, the length of the movable rod in the movable rod supporting frame is greater than or equal to the length of the movable rod protruding out of the movable rod supporting frame, and the length of the movable rod outside the movable rod supporting frame is greater than the radius of the pressurized pipeline.
The beneficial effects obtained by the utility model are as follows:
1. the utility model utilizes the airbag imbedding device which is provided with a hole in advance and is provided with a valve with a hole, realizes the imbedding and the taking out of the airbag under the complete airtight condition, and realizes the leakage of medium 0.
2. The guide pin and the guide pin groove are matched with the pressure gauge, so that autorotation abrasion during the air bag entering and exiting is avoided, and the repeated use rate of the air bag is improved.
3. The pressure sensor can acquire the pressure conditions of two sides of the medium in the pipeline after the air bags are plugged, and the sealing effect is judged.
4. The pressure sensors are 120 degrees, so that the pressure sensors are prevented from contacting the inside of the pipeline after entering the pipeline, and the judgment accuracy is prevented from being influenced.
Drawings
FIG. 1 is a schematic diagram showing the assembly of an air bag plugging device for a pressurized pipeline and the pipeline according to an embodiment of the utility model;
FIG. 2 is a schematic view of an air bag plugging device according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of a detail of a seal assembly in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic view of section 1-1 of an embodiment of the present utility model;
FIG. 5 is a schematic view of an airbag in accordance with an embodiment of the present utility model;
FIG. 6 is a schematic view of an airbag with three sets of pressure sensors in an embodiment of the utility model;
wherein 10 represents a movable rod; 11 represents an inflation valve; 12 represents a pressure gauge; 13 represents a hand wheel; 14 represents a guide pin slot; 15 represents an air source channel; 20 represents a movable rod supporting frame; 21 represents a guide pin; 22 represents a seal assembly; 221 represents a fixing bolt; 222 represents a sealing platen; 223 represents a seal; 30 represents a joint boot; 31 represents a coupling cap connection flange; 32 represents a seal groove; 40 represents an air bag; 41 denotes a pressure sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 6, the technical scheme of one embodiment of the present utility model is an air bag plugging device for a pressurized pipeline, including: a coupling cover 30, a bell-type cover with one end opened, a coupling cover connecting flange 31 arranged on the lower open side of the coupling cover 30; a movable rod supporting frame 20 fixed on the upper part of the combined cover 30; the movable rod 10 is cylindrical, an air source channel 15 penetrating through two ends is arranged in the movable rod 10, the movable rod 10 penetrates through the combination cover 30 and the movable rod support frame 20 and protrudes out of the movable rod support frame 20, the movable rod 10 is supported by the movable rod support frame 20, and the movable rod moves along a normal straight line of a plane where the open side of the combination cover 30 is located; the movable rod 10 is provided with threads on the outer surface of one side of the movable rod supporting frame 20, and the end part of the movable rod is provided with an inflation valve 11; a sealing component 22 is arranged at the contact part of the movable rod 10 and the combined cover 30; a hand wheel 13 sleeved on the movable rod 10, wherein the contact surface of the hand wheel 13 and the movable rod 10 is provided with threads matched with the threads on the movable rod 10, and when the hand wheel 13 rotates around the movable rod 10, the movable rod 10 moves relative to the movable rod support frame 20 and the combined cover 30; the hand wheel 13 is a rod-shaped body which takes the movable rod 10 as a starting point and extends along the radial direction or a circular ring which takes the movable rod 10 as a center, and a bulge is arranged in the circular ring and is matched with the movable rod 10; the air bag 40 is connected with the movable rod 10 at one end of the combined cover 30, the inside of the air bag is communicated with the air source channel 15, and the movable rod 10 is provided with a pressure gauge 12 at one end of the inflation valve 11.
The specific operation is as follows: firstly, a hole is formed under pressure before internal leakage occurs in a pipeline cut-off valve, a hole valve under pressure is installed, a connecting flange 31 of a combined cover is connected with the hole valve under pressure, a hand wheel 13 is rotated to enable an air bag 40 to be placed into a pipeline through the hole valve, after the air bag 40 reaches a designated position, which is generally about the center position of the pipeline, the air bag 40 is inflated and tightly extruded with a pipe wall to form a seal, and the purpose of sealing the pipeline is achieved.
In another embodiment, referring to fig. 4, a guide pin 21 is disposed inside the movable rod support frame 20 toward the movable rod 10: the outer surface of the movable rod 10 is provided with a guide pin groove 14 which is matched with the guide pin 21 and is recessed inwards; the guide pin 21 cooperates with the guide pin groove 14 to prevent the movable rod 10 from rotating. The inventor found in the design that if the air bag 40 rotates along with the movable rod 10, the air bag 40 will rub against the pipe wall, and the air bag 40 will be damaged during the use or repeated use, in order to improve the repeated use rate of the air bag 40, the cooperation of the guide pin 21 and the movable rod 10 is provided, the rotation of the movable rod 10 is limited, and the telescopic movement can only be realized through the arrangement of the screw thread of the movable rod 10.
In another embodiment, referring specifically to fig. 3, the seal assembly 22 includes: a seal groove 32 located outside the upper portion of the coupling cover 30, a groove body being opened in the coupling cover 30, the movable rod 10 penetrating through the seal groove 32; the sealing pressure plate 222 is positioned at the outer side of the upper part of the combined cover 30, a pore canal matched with the movable rod 10 is formed in the center of the sealing pressure plate 222, and the sealing pressure plate 222 is opposite to the sealing groove 32 in position; a seal 223, which is closely attached to the movable rod 10 and is located between the seal groove 32 and the seal platen 222; a fixing bolt 221 connects the sealing platen 222 with the coupling cover 30, and provides a pressing force of the sealing platen 222 on the sealing member 223. The seal platen 222 has a protrusion toward the seal groove 32 on the side opposite to the seal groove 32. The seal 223 is a packing or rubber ring.
In this embodiment, a technical solution of the seal assembly 22 is disclosed, and after the seal groove 32 is matched with the seal platen 222 to connect the combination cover 30 with the valve with the opening hole under pressure, a seal cavity with high air tightness is formed in the combination cover 30, so as to avoid overflow caused by pressure interception.
In another embodiment, referring to fig. 6 specifically, the outer surface of the air bag 40 is embedded with two or more pressure sensors 41, and the two or more pressure sensors 41 are embedded on two outer sides of the air bag 40, which are mirror images in the direction of the movable rod 10. The direction of the medium flow can be defined before the installation by symmetrically arranged pressure sensors 41, and the direction of the pressure sensors 41 can be adjusted in the fixed process, so that one pressure sensor 41 is arranged on the medium pressure side, the other pressure sensor 41 is arranged on the medium pressure side, the sealing effect is judged by the pressure and the non-pressure, and if the high pressure still exists on the medium pressure side, the poor sealing effect is indicated.
In another embodiment, referring to fig. 5, the pressure sensors 41 are three groups, and are located in the middle of the air bag 40 and are 120 degrees from each other. For convenience of use, without considering the problem of the direction of the pressure sensor 41, if the positions of the pressure sensors 41 are set to 120 degrees, there is necessarily one pressure sensor 41 on the pressure side and the non-pressure side, which is convenient for use.
In order to facilitate control and adjustment of the travel of the airbag 40, the length of the movable rod 10 in the movable rod support 20 may be equal to or greater than the length protruding from the outside of the movable support 20, and the length of the movable rod 10 outside of the movable support 20 may be greater than the radius of the pressurized pipe.
The implementation of the embodiment can be realized as follows: the air bag is simply put into and taken out of the pressure pipeline by utilizing the matching of the movable rod and the movable rod bracket; the guide pin and the guide pin groove are matched with the pressure gauge, so that autorotation abrasion during the air bag entering and exiting is avoided, and the repeated use rate of the air bag is improved; the pressure sensor can acquire the pressure conditions of two sides of the medium in the pipeline after the air bags are plugged, and the sealing effect is judged; the pressure sensors are 120 degrees, so that the pressure sensors are prevented from contacting the inside of the pipeline after entering the pipeline, and the judgment accuracy is prevented from being influenced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. An air bag plugging device for a pressurized pipeline, which is characterized by comprising:
a coupling cover (30) with one open end, wherein a coupling cover connecting flange (31) is arranged on the open side of the lower part of the coupling cover (30);
a movable rod supporting frame (20) fixed on the upper part of the combined cover (30);
the movable rod (10) is cylindrical, an air source channel (15) penetrating through two ends is arranged in the movable rod (10), the movable rod (10) penetrates through the combination cover (30) and the movable rod support frame (20) and protrudes out of the movable rod support frame (20), the movable rod (10) is supported by the movable rod support frame (20), and the movable rod moves linearly along the direction of the plane where the opening side of the combination cover (30) is located;
the movable rod (10) is provided with threads on the outer surface of one side of the movable rod supporting frame (20), and the end part of the movable rod is provided with an inflation valve (11);
a sealing component (22) is arranged at the contact part of the movable rod (10) and the combined cover (30);
a hand wheel (13) sleeved on the movable rod (10), wherein the contact surface of the hand wheel (13) and the movable rod (10) is provided with threads matched with the threads on the movable rod (10), and when the hand wheel (13) rotates around the movable rod (10), the movable rod (10) moves relative to the movable rod support frame (20) and the combined cover (30);
the hand wheel (13) is a rod-shaped body which takes the movable rod (10) as a starting point and extends in one or more radial directions, or takes the movable rod (10) as a central circular ring, and a bulge is arranged in the circular ring and is matched with the movable rod (10);
and the air bag (40) is connected with one end of the movable rod (10) at the combined cover (30), and the inside of the air bag is communicated with the air source channel (15).
2. The airbag plugging device for pressurized pipelines according to claim 1, wherein the movable rod (10) is provided with a pressure gauge (12) at one end of the inflation valve (11).
3. The balloon occlusion device for a pressurized pipeline according to claim 1, wherein,
a guide pin (21) is arranged in the movable rod support frame (20) towards the movable rod (10);
the outer surface of the movable rod (10) is provided with a guide pin groove (14) which is matched with the guide pin (21) and is recessed inwards;
the guide pin (21) is matched with the guide pin groove (14) to prevent the movable rod (10) from rotating.
4. The balloon occlusion device for a pressurized conduit according to claim 1, wherein said sealing assembly (22) comprises:
a seal groove (32) positioned outside the upper part of the combination cover (30), a groove body is arranged on the combination cover (30), and the movable rod (10) penetrates through the seal groove (32);
the sealing pressure plate (222) is positioned at the outer side of the upper part of the combined cover (30), a pore canal matched with the movable rod (10) is formed in the center of the sealing pressure plate (222), and the sealing pressure plate (222) is opposite to the sealing groove (32);
a seal (223) which is closely attached to the movable rod (10) and is positioned between the seal groove (32) and the seal pressure plate (222);
and a fixing bolt (221) for connecting the sealing pressure plate (222) with the combination cover (30) and providing a pressing force of the sealing pressure plate (222) on the sealing piece (223).
5. The balloon plugging device for a pressurized pipeline according to claim 4, wherein the sealing platen (222) has a protrusion toward the sealing groove (32) on a side thereof opposite to the sealing groove (32).
6. The balloon occlusion device for a pressurized pipeline according to claim 4, wherein said sealing member (223) is a packing or a rubber ring.
7. The balloon plugging device for a pressurized pipeline according to claim 1, wherein a pressure sensor (41) is embedded on the outer surface of the balloon (40).
8. The balloon plugging device for a pressurized pipeline according to claim 7, wherein the pressure sensors (41) are arranged in two or more groups and are embedded on two outer sides of the balloon (40) which are mirror images in the direction of the movable rod (10).
9. The balloon plugging device for a pressurized pipeline according to claim 7, wherein the pressure sensors (41) are three groups, are positioned in the middle of the balloon (40), and are 120 degrees from each other.
10. The balloon blocking device for a pressurized pipe according to any one of claims 1 to 9, wherein a length of the movable rod (10) in the movable rod supporting frame (20) is equal to or greater than a length protruding outside the movable rod supporting frame (20), and a length of the movable rod (10) outside the movable rod supporting frame (20) is greater than the radius of the pressurized pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320266357.9U CN219345874U (en) | 2023-02-21 | 2023-02-21 | Air bag plugging device for pressurized pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320266357.9U CN219345874U (en) | 2023-02-21 | 2023-02-21 | Air bag plugging device for pressurized pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219345874U true CN219345874U (en) | 2023-07-14 |
Family
ID=87108406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320266357.9U Active CN219345874U (en) | 2023-02-21 | 2023-02-21 | Air bag plugging device for pressurized pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219345874U (en) |
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2023
- 2023-02-21 CN CN202320266357.9U patent/CN219345874U/en active Active
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