CN212565335U - Pressure pipeline leakage detection device - Google Patents
Pressure pipeline leakage detection device Download PDFInfo
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- CN212565335U CN212565335U CN202020507631.3U CN202020507631U CN212565335U CN 212565335 U CN212565335 U CN 212565335U CN 202020507631 U CN202020507631 U CN 202020507631U CN 212565335 U CN212565335 U CN 212565335U
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 78
- 239000007789 gas Substances 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
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Abstract
The utility model provides a pipeline under pressure leak testing device. The pressure pipe leakage detection device includes: the first sealing frame and the second sealing frame; the four grooves are respectively arranged on the front and the back of the first sealing frame and the second sealing frame, the tops and the bottoms of the inner walls of the four grooves are respectively connected with a sliding block in a sliding manner, one side of each sliding block is fixedly connected with a sliding rod, one end of each sliding rod is fixedly connected with a rubber ring, and the other side of each sliding block is provided with a plurality of telescopic springs; and the sealing groove is arranged at the top of the second sealing frame, and a piston is connected between two sides of the inner wall of the sealing groove in a sliding manner. The utility model provides a pipeline under pressure leak testing device has made things convenient for the leakage condition to pipeline under pressure to conveniently carry, easy operation does benefit to many times and detects the operation, through early warning in advance, prevents the incident.
Description
Technical Field
The utility model relates to a pipeline detection field especially relates to a pipeline under pressure leak testing device.
Background
In petroleum refining enterprises, a large number of pipelines for conveying flammable, explosive, toxic and harmful gases are arranged, and due to different lengths and pipe diameters of the pipelines, flanges are mostly adopted for connecting pipeline sections needing to be frequently disassembled and assembled and the places where the pipelines are connected with equipment. The flange sealing effect is mainly that the flange gasket has enough sealing pressure through fastening bolts so as to prevent gas leakage and realize sealing.
During gas transmission, the tightness of the flange is affected by various factors, which mainly include: the bolt pretightening force at the flange joint is insufficient or uneven; the pipeline internal pressure fluctuation or pipeline sinking movement causes the stress of the connecting bolt to change; the pipeline vibrates to loosen the connecting bolt; the pressure-resistant grade of the sealing material cannot meet the standard requirement; aging of the sealing material results in a decrease in the resilience of the gasket; the structure of the rubber ring is not properly selected. The sealing performance of the flange of the pipeline is directly or indirectly influenced by the factors, particularly after the pipeline is air-intake, the stress of the bolt at the flange connection part is difficult to avoid changing due to the influence of the factors such as sinking and moving of the pipeline and the like. If the problem of flange leakage cannot be detected in time and corresponding measures are taken, the leakage can be rapidly enlarged under the scouring of media, and various losses are caused. If toxic, harmful, flammable and explosive gas leaks, serious safety accidents such as personnel poisoning, fire, explosion and the like can be caused.
Therefore, it is necessary to provide a pressure pipeline leakage detection device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pipeline under pressure leak testing device has solved the problem that can the accident appear in untimely detection.
In order to solve the technical problem, the utility model provides a pipeline under pressure leak testing device includes:
the first sealing frame and the second sealing frame;
the four grooves are respectively arranged on the front and the back of the first sealing frame and the second sealing frame, the tops and the bottoms of the inner walls of the four grooves are respectively connected with a sliding block in a sliding manner, one side of each sliding block is fixedly connected with a sliding rod, one end of each sliding rod is fixedly connected with a rubber ring, and the other side of each sliding block is provided with a plurality of telescopic springs;
the sealing groove, the sealing groove set up in the top of second seal frame, sliding connection has the piston between the both sides of sealing groove inner wall, the top of piston runs through the sealing groove and extends to the top of sealing groove, the piston extends to the one end fixedly connected with clamp plate at sealing groove top, the top of sealing groove inner wall just is located the left side of piston is provided with pressure sensor.
The relative one side of first sealed frame and second sealed frame all is provided with the open slot, makes things convenient for chucking pipeline under pressure to unrestricted when making things convenient for the rubber circle motion, a plurality of expanding spring's the other end and the inner wall fixed connection of recess, the bottom of seal groove is the open-ended, and the bottom of seal groove runs through the sealed frame of second and extends to the inside of the sealed frame of second.
Preferably, the bottoms of the first sealing frame and the second sealing frame are movably connected through a hinge.
Preferably, the top of the first sealing frame is provided with an alarm lamp, the alarm lamp is connected with an external power supply through a controller, the top of the first sealing frame is located on the back of the alarm lamp, and a data controller is arranged on the back of the alarm lamp and electrically connected with the pressure sensor.
Preferably, the top of the second sealing frame is located on the right side of the sealing groove and is fixedly connected with a threaded plate, and the inner surface of the threaded plate is in threaded connection with a threaded bolt.
Preferably, the top of first sealed frame just is located the left side fixedly connected with fixed plate of warning light, the inside fixedly connected with thread bush of fixed plate, thread bolt and thread bush looks adaptation.
Preferably, the right side of first sealed frame is provided with the relief valve, the right side of first sealed frame just is located the bottom of relief valve is provided with the admission valve.
Preferably, a scale plate is fixedly connected to the left side of the sealing groove.
Compared with the prior art, the utility model provides a pipeline under pressure leak testing device has following beneficial effect:
the utility model provides a pipeline under pressure leakage detection device, clip pipeline under pressure through first sealed frame and second sealed frame, the rubber circle of both sides receives pipeline under pressure's reaction force, can drive the slide bar and move to the recess inside, and then the sliding block moves to one side, extrude expanding spring, expanding spring produces after deformation because self elastic force, give the sliding block a reaction force, and then order about the slide bar to move to the recess outside, and then make rubber circle and pipeline under pressure closely laminate, then through manual rotatory screw bolt, after being connected with the thread bush threaded connection, make the device fix, guaranteed the leakproofness of first sealed frame and second sealed frame inside, make the air of inside can not leak out, and then make things convenient for subsequent detection;
through the manual clamp plate that presses down, drive the piston downstream, extrude the inside air of seal groove, close the relief valve afterwards, open the admission valve, blow to first seal frame and second seal frame inside through external gas blowing device, make inside pressure grow in the twinkling of an eye, the air can flow to the seal groove, make the piston can rise by a wide margin, close the admission valve afterwards, observe the motion condition of piston, if the piston rises slowly just to know that this pipeline under pressure has the leakage, made things convenient for the leakage condition to pipeline under pressure to detect, and conveniently carry, and easy operation does benefit to many times and detects the operation, through early warning in advance, prevent the incident.
Drawings
Fig. 1 is a schematic structural diagram of a pressure pipe leakage detection apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a side view of the first sealing frame shown in FIG. 1;
figure 3 is an internal view of the seal slot shown in figure 2.
Reference numbers in the figures: 1. the device comprises a first sealing frame, a second sealing frame, a groove, a sliding block, a sliding rod, a rubber ring, a sealing groove, a sliding spring, a sealing groove, a piston, a pressing plate, a pressure sensor, a warning lamp, a data controller, a threaded plate, a threaded bolt, a fixing plate, a threaded sleeve, a pressure release valve, a pressure inlet valve, a pressure sensor, a warning lamp, a data controller, a pressure sensor, a pressure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a pressure pipeline leakage detection apparatus according to a preferred embodiment of the present invention; FIG. 2 is a side view of the first sealing frame shown in FIG. 1; figure 3 is an internal view of the seal slot shown in figure 2. The pressure pipeline leakage detection device includes:
a first sealing frame 1 and a second sealing frame 2;
the four grooves 3 are respectively arranged on the front and the back of the first sealing frame 1 and the second sealing frame 2, the tops and the bottoms of the inner walls of the four grooves 3 are respectively connected with a sliding block 4 in a sliding manner, one side of each sliding block 4 is fixedly connected with a sliding rod 5, one end of each sliding rod 5 is fixedly connected with a rubber ring 6, and the other side of each sliding block 4 is provided with a plurality of telescopic springs 7;
The bottoms of the first sealing frame 1 and the second sealing frame 2 are movably connected through hinges, the first sealing frame 1 and the second sealing frame 2 are matched, and the first sealing frame 1 and the second sealing frame are completely sealed after being tightly attached.
The top of first sealed frame 1 is provided with warning light 12, the top of first sealed frame 1 just is located the back of warning light 12 is provided with data controller 13, and warning light 12 controls through data controller 13, and data controller 13 is conventional controller among the prior art, through with pressure sensor 11 electric connection, installs on pipeline under pressure as the device, and the phenomenon appears leaking in pipeline under pressure, can make inside gas capacity increase, and then jack-up piston 9, and piston 9 moves up, touches behind pressure sensor 11, and pressure sensor 11 sends a signal to data controller 13, and data controller 13 control warning light 12 lights.
The top of the second sealing frame 2 is located on the right side of the sealing groove 8 and is fixedly connected with a threaded plate 14, and a threaded bolt 15 is connected to the inner surface of the threaded plate 14 in a threaded manner.
The top of first sealed frame 1 just is located the left side fixedly connected with fixed plate 16 of warning light 12, the inside fixedly connected with thread bush 17 of fixed plate 16 is used through the cooperation of screw bolt 15 and thread bush 17 for first sealed frame 1 and second sealed frame 2 can connect tightly, and rubber circle 6 itself has elasticity, can make rubber circle 6 take place slight deformation through the rotation of screw bolt 15, make and the pipeline under pressure between laminating more, the leakproofness is better.
The right side of first sealed frame 1 is provided with relief valve 18, the right side of first sealed frame 1 just is located the bottom of relief valve 18 is provided with admission valve 19, and relief valve 18 is used for discharging the inside air of the device, and admission valve 19 can external gas blowing device, and the convenience is to the inside gas filling of the device, after gaseous the filling, convenient detection.
The left side fixedly connected with scale plate 20 of seal groove 8, scale plate 20 cooperates the use of clamp plate 10, makes things convenient for the staff to observe the change of piston 9.
The utility model provides a pipeline under pressure leak testing device's theory of operation as follows:
the pressure pipeline is clamped through the first sealing frame 1 and the second sealing frame 2, the rubber rings 6 on the two sides are subjected to the reaction force of the pressure pipeline, the sliding rod 5 can be driven to move towards the inside of the groove 3, the sliding block 4 can move towards one side, the telescopic spring 7 is extruded, after the telescopic spring 7 deforms, the elastic force of the telescopic spring is self-generated, the reaction force is given to the sliding block 4, the sliding rod 5 is driven to move towards the outside of the groove 3, the rubber rings 6 are tightly attached to the pressure pipeline, and then the device is fixed after being in threaded connection with the threaded sleeve 17 through manual rotation of the threaded bolt 15;
through manual pressing of the pressing plate 10, the piston 9 is driven to move downwards, the air inside the sealing groove 8 is extruded, then the pressure release valve 18 is closed, the air inlet valve 19 is opened, air is blown to the inside of the first sealing frame 1 and the second sealing frame 2 through an external air blowing device, so that the internal pressure is increased instantly, the air can flow to the sealing groove 8, the piston 9 can be greatly ascended, then the air inlet valve 19 is closed, the movement condition of the piston 9 is observed, and if the piston 9 slowly ascends, the pressure pipeline is known to have leakage.
Compared with the prior art, the utility model provides a pipeline under pressure leak testing device has following beneficial effect:
the pressure pipeline is clamped through the first sealing frame 1 and the second sealing frame 2, the rubber rings 6 on the two sides are subjected to the reaction force of the pressure pipeline, the sliding rod 5 can be driven to move towards the inside of the groove 3, the sliding block 4 can move towards one side, the telescopic spring 7 is extruded, after the telescopic spring 7 deforms, the elastic force of the telescopic spring is self-generated, the reaction force is given to the sliding block 4, the sliding rod 5 is driven to move towards the outside of the groove 3, the rubber rings 6 are tightly attached to the pressure pipeline, then the threaded bolt 15 is manually rotated and is in threaded connection with the threaded sleeve 17, the device is fixed, the sealing performance of the inside of the first sealing frame 1 and the inside of the second sealing frame 2 is guaranteed, the air in the first sealing frame and the air in the second sealing frame cannot leak out;
through manual pressing of clamp plate 10, drive piston 9 downstream, extrude the inside air of seal groove 8, close relief valve 18 afterwards, open admission valve 19, blow to first seal frame 1 and second seal frame 2 inside through external gas blowing device, make inside pressure grow in the twinkling of an eye, the air can flow to seal groove 8, make piston 9 can rise by a wide margin, close admission valve 19 afterwards, observe the motion condition of piston 9, if piston 9 rises slowly and just knows this pipeline under pressure and have the leakage, made things convenient for the leakage condition to pipeline under pressure to detect, and conveniently carry, the operation is thus simple, do benefit to many times and detect the operation, through early warning in advance, prevent the incident.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A pressure line leak detection device, comprising:
the first sealing frame and the second sealing frame;
the four grooves are respectively arranged on the front and the back of the first sealing frame and the second sealing frame, the tops and the bottoms of the inner walls of the four grooves are respectively connected with a sliding block in a sliding manner, one side of each sliding block is fixedly connected with a sliding rod, one end of each sliding rod is fixedly connected with a rubber ring, and the other side of each sliding block is provided with a plurality of telescopic springs;
the sealing groove, the sealing groove set up in the top of second seal frame, sliding connection has the piston between the both sides of sealing groove inner wall, the top of piston runs through the sealing groove and extends to the top of sealing groove, the piston extends to the one end fixedly connected with clamp plate at sealing groove top, the top of sealing groove inner wall just is located the left side of piston is provided with pressure sensor.
2. The pressure pipe leakage detection device of claim 1, wherein the bottoms of the first sealing frame and the second sealing frame are movably connected by a hinge.
3. The pressure pipe leakage detecting device according to claim 1, wherein a warning lamp is disposed on a top of the first sealing frame, and a data controller is disposed on a back of the warning lamp and on the top of the first sealing frame.
4. The pressure pipe leakage detection device of claim 1, wherein a threaded plate is fixedly connected to the top of the second seal frame and located on the right side of the seal groove, and a threaded bolt is threadedly connected to an inner surface of the threaded plate.
5. The pressure pipe leakage detecting device according to claim 3, wherein a fixing plate is fixedly connected to the top of the first sealing frame and located on the left side of the alarm lamp, and a threaded sleeve is fixedly connected to the inside of the fixing plate.
6. The pressure pipeline leakage detection device of claim 1, wherein a pressure relief valve is arranged on the right side of the first sealing frame, and an air inlet valve is arranged on the right side of the first sealing frame and at the bottom of the pressure relief valve.
7. The pressure pipe leakage detection device of claim 1, wherein a scale plate is fixedly connected to the left side of the seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507631.3U CN212565335U (en) | 2020-04-09 | 2020-04-09 | Pressure pipeline leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507631.3U CN212565335U (en) | 2020-04-09 | 2020-04-09 | Pressure pipeline leakage detection device |
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| Publication Number | Publication Date |
|---|---|
| CN212565335U true CN212565335U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020507631.3U Expired - Fee Related CN212565335U (en) | 2020-04-09 | 2020-04-09 | Pressure pipeline leakage detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN212565335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116065652A (en) * | 2023-01-06 | 2023-05-05 | 华东交通大学 | An emergency rapid treatment device and treatment method for heavy metal polluted soil |
| CN119617230A (en) * | 2025-02-17 | 2025-03-14 | 常德北控生物质能发电有限公司 | Heating pipe pressure test device |
-
2020
- 2020-04-09 CN CN202020507631.3U patent/CN212565335U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116065652A (en) * | 2023-01-06 | 2023-05-05 | 华东交通大学 | An emergency rapid treatment device and treatment method for heavy metal polluted soil |
| CN116065652B (en) * | 2023-01-06 | 2023-09-12 | 华东交通大学 | Emergency rapid treatment device and treatment method for heavy metal contaminated soil |
| CN119617230A (en) * | 2025-02-17 | 2025-03-14 | 常德北控生物质能发电有限公司 | Heating pipe pressure test device |
| CN119617230B (en) * | 2025-02-17 | 2025-07-15 | 常德北控生物质能发电有限公司 | Pressure testing device for heat supply pipeline |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |