CN220912865U - Pipeline pressure test device - Google Patents
Pipeline pressure test device Download PDFInfo
- Publication number
- CN220912865U CN220912865U CN202321641388.4U CN202321641388U CN220912865U CN 220912865 U CN220912865 U CN 220912865U CN 202321641388 U CN202321641388 U CN 202321641388U CN 220912865 U CN220912865 U CN 220912865U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- pressure test
- blind plate
- connecting flange
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a pipeline pressure test device, which relates to the technical field of pressure tests and comprises a connecting flange, a blind plate and a sealing piece, wherein the connecting flange is in threaded connection with a pipeline; the blind plate is blocked at one end of the pipeline and can be detachably connected to the connecting flange; the sealing piece is arranged between the blind plate and the pipeline, and the blind plate props against the sealing piece on the end face of the pipeline. The connecting flange and the pipeline are connected in a threaded manner, and the blind plate and the connecting flange are connected together, so that the plugging strength is improved, the reliability of the pipeline pressure test is ensured, the operation is simple and convenient, and the test cost is reduced.
Description
Technical Field
The utility model relates to the technical field of pressure tests, in particular to a pipeline pressure test device.
Background
After the pipe is finished, it is usually necessary to perform a pressure test on the pipe. The pressure test method of the pipeline is to seal one end of the pipeline, and introduce test medium into the pipeline from the other end of the pipeline so as to observe the working condition of the pipeline under a preset pressure state.
In the prior art, when a pipeline is subjected to a pressure test, a blocking plate is welded at one end of the pipeline, and a test medium is injected from the other end of the pipeline to carry out the pressure test.
However, in the welding connection test method, a certain test allowance is usually required to be reserved at the port of the pipeline, and after the test is finished, a cutting machine is also required to cut off the temporary weld joint between the pipeline and the blocking plate, so that the operation is complex, the inconvenience is caused, and the test cost is high.
Disclosure of utility model
Therefore, the utility model aims to solve the technical problems that the welding type connection mode is cumbersome to operate and has high test cost when the pipeline is subjected to the pressure test in the prior art.
In order to solve the technical problems, the utility model provides a pipeline pressure test device, which comprises:
The connecting flange is in threaded connection with the pipeline;
The blind plate, the blind plate shutoff is in the one end of pipeline, the blind plate can dismantle the connection and be in on the flange.
In one embodiment of the utility model, the connecting flange comprises a flange plate and a boss which are integrally formed, the connecting flange is provided with a through internal threaded hole, the internal threaded hole and the boss are coaxially arranged, the end part of the pipeline is provided with an external threaded section, and the internal threaded hole of the connecting flange is matched with the external threaded section of the pipeline.
In one embodiment of the utility model, the flange plate is provided with a through hole, the blind plate is provided with a through hole, and the flange plate is connected with the blind plate through bolts.
In one embodiment of the utility model, the sealing device further comprises a sealing element, wherein the sealing element is arranged between the blind plate and the pipeline, and the blind plate presses the sealing element against the end face of the pipeline.
In one embodiment of the utility model, a sealing groove is formed in the blind plate, and the sealing member is embedded in the sealing groove.
In one embodiment of the present utility model, the sealing element is annular, and the sealing groove is correspondingly formed into an annular shape.
In one embodiment of the utility model, the end face of the pipeline is provided with a welding groove, and the sealing element is a sealing gasket with a trapezoid cross section.
In one embodiment of the utility model, the seal is one of a rubber gasket or a polytetrafluoroethylene gasket.
In one embodiment of the utility model, the device further comprises a liquid injection plate, wherein the liquid injection plate is provided with a liquid injection port, and the liquid injection plate is blocked at the other end of the pipeline.
In one embodiment of the utility model, the connecting flange is provided in two pieces, and the liquid injection plate is detachably connected to one of the connecting flanges.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
The pipeline pressure test device comprises a connecting flange and a blind plate, wherein the connecting flange is in threaded connection with a pipeline; the blind plate shutoff is in the one end of pipeline, the blind plate can dismantle the connection on the flange. When the pipeline is subjected to pressure test, the connecting flange is screwed on the pipeline to form threaded connection with the pipeline, the blind plate is connected with the connecting flange to be plugged at one end of the pipeline, and then a test medium can be injected from the other end to carry out the pressure test; the joint flange and the threaded connection of pipeline, the blind plate has improved shutoff intensity jointly with flange's connection, guarantees pipeline pressure test's reliability, and easy operation is convenient, has reduced test cost.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of a pipeline pressure test apparatus in accordance with a preferred embodiment of the present utility model;
Fig. 2 is a schematic view of the pipe pressure test apparatus shown in fig. 1 when performing a pipe pressure test.
Description of the specification reference numerals: 1. a connecting flange; 11. a flange plate; 12. a boss; 13. an internal threaded hole; 2. a blind plate; 21. sealing grooves; 3. a seal; 4. a pipe; 41. an external thread section; 5. a liquid injection plate; 51. and a liquid injection port.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 to 2, the present utility model discloses a pipe pressure test apparatus, comprising:
the connecting flange 1 is in threaded connection with the pipeline 4;
The blind plate 2, the one end at pipeline 4 is shutoff of blind plate 2, and blind plate 2 can be dismantled and connect on flange 1.
When the pipeline 4 is subjected to pressure test, the connecting flange 1 is screwed on the pipeline 4 to form threaded connection with the pipeline 4, and the blind plate 2 is detachably connected with the connecting flange 1, so that the blind plate is plugged at one end of the pipeline 4, and then a test medium can be injected from the other end to carry out pressure test; the joint flange 1 and the threaded connection of the pipeline 4, and the connection of the blind plate 2 and the joint flange 1 improve the plugging strength together, ensure the reliability of the test, and have simple and convenient operation and reduced the test cost.
In this embodiment, specifically, the connection flange 1 includes an integrally formed flange 11 and a boss 12, the connection flange 1 is provided with a through internal threaded hole 13, the internal threaded hole 13 is coaxially disposed with the boss 12, an external threaded section 41 is disposed at an end of the pipe 4, and the internal threaded hole 13 of the connection flange 1 is matched with the external threaded section 41 of the pipe 4.
Through setting up boss 12, increased flange 1 self intensity and flange 1 and pipeline 4 threaded connection's intensity, prolonged flange 1 and pipeline 4 threaded connection complex length through boss 12, reduced pipeline pressure test device and appeared the condition of connecting the inefficacy under the test pressure effect, improved pipeline pressure test device's reliability.
In this embodiment, specifically, the flange 11 is provided with a through hole, the blind plate 2 is provided with a through hole, and the flange 11 is connected with the blind plate 2 by a bolt. The bolt connection processing requirement is lower, the structure is simple, the assembly and the disassembly are convenient, and the test cost is reduced.
In this embodiment, it is preferable to further include a sealing member 3, wherein the sealing member 3 is disposed between the blind plate 2 and the pipe 4, and the blind plate 2 presses the sealing member 3 against the end face of the pipe 4. Specifically, the blind plate 2 is provided with a seal groove 21, and the seal 3 is fitted in the seal groove 21. Specifically, the seal member 3 has a circular ring shape, and the seal groove 21 is correspondingly formed in a circular ring shape.
Through setting up sealing member 3, flange 1 is connected with blind plate 2, exerts between flange 1 and blind plate 2 and is connected pretightning force and make sealing member 3 support tightly on the terminal surface of pipeline 4, has improved the sealing performance of pipeline 4 and blind plate 2 junction when pipeline 4 pressure test, prevents that test medium from leaking, has guaranteed experimental precision, has further guaranteed the experimental reliability of pipeline pressure test device. The sealing groove 21 facilitates the installation of the sealing element 3 and reduces the connection difficulty.
In this embodiment, specifically, a welding groove is provided on an end surface of the pipe 4, and the sealing member 3 is a sealing gasket with a trapezoid cross section.
The welding groove of the pipe section end face is set to be a V-shaped butt joint groove, so that the subsequent use and welding of the pipeline are facilitated, and the sealing element 3 can be adapted to the welding groove of the pipe 4 end face by setting the section of the sealing element 3 to be a trapezoid structure, thereby forming effective sealing and improving the sealing effect.
In the present embodiment, the sealing member 3 is preferably one of a rubber gasket or a polytetrafluoroethylene gasket. The sealing piece 3 is made of rubber gasket or polytetrafluoroethylene gasket, so that the sealing effect is ensured, the materials are conveniently obtained and processed, and the manufacturing cost is reduced.
In this embodiment, referring to fig. 2, preferably, the pipe pressure test apparatus further includes a liquid injection plate 5, the liquid injection plate 5 is provided with a liquid injection port 51, and the liquid injection plate 5 is plugged at the other end of the pipe 4.
Specifically, annotate liquid mouth 51 and offer the intermediate position at annotating liquid board 5, annotate liquid mouth 51 and outside test medium intercommunication, make things convenient for test medium to get into the pipeline, annotate the setting of liquid board 5 and improved pipeline pressure test's reliability.
In the present embodiment, it is preferable that the connection flange 1 is provided with two pieces, and the pouring plate 5 is detachably connected to one of the connection flanges 1.
Specifically, two flange 1 are connected with blind plate 2, notes liquid board 5 respectively at pipeline 4 both ends, and the corresponding through-hole that sets up on the notes liquid board 5, annotate liquid board 5 and one of them flange 1 bolted connection. Preferably, a sealing element 3 is also arranged between the liquid injection plate 5 and the pipeline 4, and the sealing element 3 is abutted against the port of the pipeline 4 by the liquid injection plate 5 to form a seal.
The implementation principle of the embodiment is as follows: when the pipeline pressure test device is used, the connecting flange 1 is screwed to the tail end of the pipeline 4, the sealing element 3 is placed into the sealing groove 21 of the blind plate 2, then the blind plate 2 is in locking connection with the connecting flange 1 through bolts, the sealing element 3 is abutted against the port of the pipeline 4 to form sealing by pre-tightening the bolts, and finally a test medium is injected from the other end of the pipeline 4 to carry out pressure test. The other end of the pipe 4 is provided with a liquid injection plate 5, and a test medium is injected into the pipe 4 through a liquid injection port 51. After the pressure test of the pipeline 4 is completed, the bolts, the blind plates 2 and the connecting flange 1 are detached in sequence, so that the pipeline 4 is convenient to operate and use subsequently. The pipeline pressure test device is simple and convenient to operate, and the test cost is reduced.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (6)
1. A pipeline pressure test apparatus, comprising:
The connecting flange is in threaded connection with the pipeline; the connecting flange comprises a flange plate and a boss which are integrally formed, a through internal threaded hole is formed in the connecting flange, the internal threaded hole is coaxially arranged with the boss, an external threaded section is arranged at the end part of the pipeline, and the internal threaded hole of the connecting flange is matched with the external threaded section of the pipeline;
The blind plate is plugged at one end of the pipeline and can be detachably connected to the connecting flange;
The sealing piece is arranged between the blind plate and the pipeline, and the blind plate presses the sealing piece against the end face of the pipeline; a sealing groove is formed in the blind plate, and the sealing piece is embedded in the sealing groove; the end face of the pipeline is provided with a welding groove, and the sealing element is a sealing gasket with a trapezoid cross section.
2. The pipeline pressure test apparatus of claim 1, wherein: the flange plate is provided with a through hole, the blind plate is provided with a through hole, and the flange plate is connected with the blind plate through bolts.
3. The pipeline pressure test apparatus of claim 1, wherein: the sealing element is annular, and the sealing groove is correspondingly formed into an annular shape.
4. The pipeline pressure test apparatus of claim 1, wherein: the sealing element is one of a rubber gasket or a polytetrafluoroethylene gasket.
5. The pipeline pressure test apparatus of claim 1, wherein: the liquid injection device is characterized by further comprising a liquid injection plate, wherein the liquid injection plate is provided with a liquid injection port, and the liquid injection plate is blocked at the other end of the pipeline.
6. The pipeline pressure test apparatus of claim 5, wherein: the connecting flange is provided with two pieces, annotate the liquid board can dismantle the connection in one of them the connecting flange is last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321641388.4U CN220912865U (en) | 2023-06-26 | 2023-06-26 | Pipeline pressure test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321641388.4U CN220912865U (en) | 2023-06-26 | 2023-06-26 | Pipeline pressure test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220912865U true CN220912865U (en) | 2024-05-07 |
Family
ID=90918464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321641388.4U Active CN220912865U (en) | 2023-06-26 | 2023-06-26 | Pipeline pressure test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220912865U (en) |
-
2023
- 2023-06-26 CN CN202321641388.4U patent/CN220912865U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213145677U (en) | Flange quick connector structure | |
| CN220912865U (en) | Pipeline pressure test device | |
| CN102926760A (en) | Grouting device and application method thereof | |
| CN215000013U (en) | Anticorrosion chemical industry high pressure line connects | |
| CN108386629A (en) | The method of pipe jointer secondary seal | |
| CN210600609U (en) | Medium and low pressure pipeline leaking stoppage device with pressure | |
| CN209855741U (en) | Hole pressure relief device is pulled to long stop well | |
| CN211649468U (en) | Pipeline plugging device and system | |
| CN208534445U (en) | A kind of gas well device for plugging and gas well drilling equipment | |
| CN207514466U (en) | A kind of plastic tube and steel pipe reducing elbow | |
| CN207514431U (en) | A kind of plastic conduit male connection | |
| CN207863883U (en) | A kind of universal joint tail portion connection structure suitable for downhole electric tool | |
| CN220816683U (en) | Dismantle convenient improved generation valve | |
| CN212903422U (en) | Sealing structure based on EJA transmitter and three-valve group instrument connection | |
| CN221196522U (en) | Equipment for arranging large-specification branches under pressure in water pipeline | |
| CN220749382U (en) | Water treatment modularization connecting device | |
| CN205534699U (en) | Circumscribed buckle structure | |
| CN115013632B (en) | Weldable glue injection forming plugging anchor ear for large-caliber steel pipe under-pressure plugging and use method thereof | |
| CN217272690U (en) | Welding short pipe for check valve | |
| CN220749444U (en) | Pipeline sealing device | |
| CN219060008U (en) | Novel grouting head | |
| CN215488148U (en) | High-pressure precision oil pipe joint for motor vehicle | |
| CN215981434U (en) | Quick sealing device | |
| CN216842503U (en) | Non-standard motor hydraulic fluid port connection structure | |
| CN215568738U (en) | Pressure steel pipe with socket joint type interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |