CN209992303U - Special tool for pipeline hydrostatic test - Google Patents
Special tool for pipeline hydrostatic test Download PDFInfo
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- CN209992303U CN209992303U CN201920432578.2U CN201920432578U CN209992303U CN 209992303 U CN209992303 U CN 209992303U CN 201920432578 U CN201920432578 U CN 201920432578U CN 209992303 U CN209992303 U CN 209992303U
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Abstract
The utility model discloses a special tool for pipeline hydrostatic test, which comprises a clamp type flange sleeved on a pipeline to be plugged, a flange plugging plate arranged at the pipe orifice of the pipeline to be plugged, and a connecting piece for connecting the clamp type flange and the flange plugging plate; and a test pipeline is arranged on the end face of the outer side of the flange plugging plate and is communicated with the pipeline to be plugged. The test pipeline is provided with a pressure detection branch and a water injection branch. The pressure detection branch is provided with a pressure valve and a pressure gauge, and the water injection branch is provided with a water injection valve. The utility model discloses can treat the shutoff pipeline and reach good shutoff tightness, have simple structure, with low costs, processing convenient advantage. And the connecting piece is the connecting bolt, and it is convenient to dismantle, can used repeatedly, has solved complicated, the extravagant scheduling problem of material of traditional hydrostatic test process, is showing and is improving hydrostatic test work efficiency. Through setting up the test tube to set up pressure detection branch road and water injection branch road on the test tube, make pipeline hydrostatic test be convenient for operate.
Description
Technical Field
The utility model relates to a pipeline hydrostatic test technical field specifically is a pipeline hydrostatic test's specialized tool.
Background
The steel skeleton-polyethylene composite pipe is a new type material formed by organically compounding steel wire skeleton and high-density polyethylene plastic. At present, the nondestructive testing technology of the steel skeleton polyethylene pipeline is not mature. For a long time, post-installation inspection of pipelines has relied on pressure testing. Because its pipeline, pipe connections must be through electric smelting sleeve hot melt connection, therefore electric smelting sleeve and the flange nozzle stub of the shutoff usefulness of traditional pressure test pipeline both ends mouth of pipe can not carry out the reutilization again, designs a specialized tool for steel skeleton polyethylene pipeline hydrostatic test for this, can effectively reduce the material waste, improve hydrostatic test work efficiency.
Patent 201720270591.3 discloses a plugging and reinforcing device for pipeline hydrostatic test, but its hoop end and plugging end are connected with a harness cord screw through angle iron and other connectors, wherein the plugging end connector and the plugging plate are split, when fastening the connecting rods, the plugging end connector and the plugging plate will deflect due to inconsistent stress of each connecting rod, so that the plugging plate cannot play a sealing role, and the practical application is affected by the problems of easy occurrence of leakage and the like; and no detection pipeline is designed, so that the actual operation is complicated and troublesome.
Disclosure of Invention
The utility model aims at providing a pipeline hydrostatic test's specialized tool to solve among the prior art pipeline hydrostatic test process complicacy, the material is extravagant, easy seepage scheduling problem.
In order to achieve the above object, the utility model adopts the following technical scheme:
a special tool for a pipeline hydrostatic test comprises a clamp type flange sleeved on a pipeline to be plugged, a flange plugging plate arranged at the pipe orifice of the pipeline to be plugged, and a connecting piece used for connecting the clamp type flange and the flange plugging plate; and a test pipeline is arranged on the end face of the outer side of the flange plugging plate and is communicated with the pipeline to be plugged. And the test pipeline is provided with a pressure detection branch and a water injection branch. The pressure detection branch road is provided with pressure valve and manometer, the water injection branch road is provided with the water injection valve, through setting pressure detection branch road and water injection branch road on the test tube way to with treat shutoff pipeline intercommunication, make pipeline hydrostatic test be convenient for operate.
In a further scheme, a plurality of through holes are correspondingly formed in the clamp type flange and the flange plugging plate, and the connecting piece penetrates through the through holes to fixedly connect the clamp type flange and the flange plugging plate.
In a further scheme, the clamp type flange comprises two identical half type flanges, the half type flanges are in a half ring shape, and the diameter of a central circle formed by the two half type flanges is matched with the diameter of the pipeline to be plugged; thereby realizing the fastening connection of the clamp type flange and the pipeline to be plugged.
In a further scheme, two ends of the half-type flange are perpendicular to a plane where the half-type flange is located and protrude outwards to form a lug, and a connecting through hole is formed in the lug. During operation, the two half type flanges can be fixedly connected by penetrating the connecting through holes through bolts.
In a further scheme, the connecting piece is a connecting bolt. The clamp type flange and the flange plugging plate are connected through the connecting bolt in a fastening mode, operation is convenient, and after an experiment is finished, disassembly is convenient, and the flange plugging plate can be used repeatedly.
According to the further scheme, a sealing gasket is arranged between the flange plugging plate and the pipe orifice of the pipeline to be plugged, the sealing effect is enhanced, and leakage cannot be caused due to the connection problem of the device per se in the test.
In a further scheme, the pipeline to be plugged is a steel skeleton polyethylene plastic composite pipeline.
Compared with the prior art, the utility model provides a pipeline hydrostatic test's specialized tool through the connecting piece that sets up clamp formula flange, flange closure plate and connect clamp formula flange and flange closure plate, can treat that the shutoff pipeline reaches good shutoff tightness, has simple structure, with low costs, processing convenient advantage. And the connecting piece is the connecting bolt, and it is convenient to dismantle, can used repeatedly, has solved complicated, the extravagant scheduling problem of material of traditional hydrostatic test process, is showing and is improving hydrostatic test work efficiency. The flange plugging plate is provided with a test pipeline communicated with the pipeline to be plugged, and the test pipeline is provided with a pressure detection branch and a water injection branch, so that the pipeline hydrostatic test is convenient to operate. In addition, through set up the through-hole on clamp formula flange and flange closure plate, realize connection between them through the through-hole, it is simpler in structure, can not warp when the fastening, sealed effectual.
Drawings
FIG. 1 is a schematic structural view of a special tool for pipeline hydrostatic test according to the present invention;
FIG. 2 is a schematic structural view of a clamp type flange;
FIG. 3 is a schematic structural view of a flange blocking plate;
reference numerals: 1-a pipeline to be plugged, 2-a clamp type flange, 21-a half type flange, 22-a lug, 23-a connecting through hole, 3-a flange plugging plate, 4-a connecting piece, 5-a through hole, 6-a test pipeline, 7-a pressure detection branch, 8-a water injection branch, 9-a pressure valve, 10-a pressure gauge and 11-a water injection valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 shows a schematic structural diagram of the special tool for pipeline hydrostatic test of the present invention, which is a special tool for pipeline hydrostatic test, and comprises a clamp type flange 2 sleeved on a pipeline 1 to be plugged, a flange plugging plate 3 arranged at a pipe orifice of the pipeline 1 to be plugged, and a connecting piece 4 for connecting the clamp type flange 2 and the flange plugging plate 3; connecting piece 4 is connecting bolt, through connecting bolt with 3 fastening connection of clamp formula flange 2 and flange closure plate, convenient operation, and after experimental, it is convenient to dismantle, can used repeatedly. A plurality of through holes 5 are correspondingly formed in the clamp type flange 2 and the flange plugging plate 3, and connecting bolts penetrate through the through holes 5 to tightly connect the clamp type flange 2 and the flange plugging plate 3; as shown in fig. 3, a testing pipeline 6 is arranged on the end face of the outer side of the flange plugging plate 3, and the testing pipeline 6 is communicated with the pipeline 1 to be plugged. Referring to fig. 1 again, the test pipeline 6 is provided with a pressure detection branch 7 and a water injection branch 8. The pressure detection branch 7 is provided with a pressure valve 9 and a pressure gauge 10, the water injection branch 8 is provided with a water injection valve 11, and the pressure detection branch 7 and the water injection branch 8 are arranged on the test pipeline 6 so as to be communicated with the pipeline 1 to be plugged, so that the pipeline hydrostatic test is convenient to operate. The pipeline 1 to be plugged is a steel skeleton polyethylene plastic composite pipeline; for the sealed effect of reinforcing, can not cause the seepage because of the connection problem of device itself during the prevention test, be provided with seal gasket between flange closure plate 3 and the 1 mouth of pipe of treating shutoff pipeline.
As shown in fig. 2, the clamp type flange 2 comprises two identical half type flanges 21, the half type flanges 21 are semi-annular, and the diameter of a central circle enclosed by the two half type flanges is matched with the diameter of the pipeline to be blocked, so that the tight connection between the clamp type flange and the pipeline 1 to be blocked is realized. Two ends of the half-type flange 21 are perpendicular to the plane where the half-type flange is located and protrude outwards to form a lug 22, and a connecting through hole 23 is formed in the lug 22. In operation, the two half flanges 21 are fixedly connected by bolts passing through the connecting through holes 23.
In the process of the hydraulic pressure test, firstly, the two half type flanges 21 are sleeved on the pipeline 1 to be blocked, the lugs 22 of the two half type flanges are aligned, bolts penetrate through the connecting through holes 23 on the lugs 22, and then the bolts are locked by nuts, so that the clamp type flanges can be fixed on the pipeline 1 to be blocked. Place flange closure plate 3 at the 1 mouth of pipe of treating shutoff pipeline to place seal gasket between flange closure plate 3 and the 1 mouth of pipe of treating shutoff pipeline, pass through-hole 5 on clamp formula flange and the flange closure plate with connecting bolt, mounting nut, locking can be with clamp formula flange 2 and 3 fastening connections of flange closure plate on treating shutoff pipeline 1, realize treating the sealed of shutoff pipeline 1. When carrying out water pressure test to the pipeline, open water injection valve 11 on the water injection branch road 8, can treat shutoff pipeline 1 and carry out the water injection, close water injection valve 11 after the water injection is accomplished, open pressure valve 9 on the pressure measurement branch road 7, can treat the water pressure in the shutoff pipeline 1 through manometer 10 and carry out real-time supervision, convenient operation, and after experimental, it is convenient to dismantle, can used repeatedly.
Claims (7)
1. The utility model provides a pipeline hydrostatic test's specialized tool which characterized in that: comprises a clamp type flange (2) sleeved on a pipeline (1) to be plugged, a flange plugging plate (3) arranged at the pipe orifice of the pipeline (1) to be plugged, and a connecting piece (4) used for connecting the clamp type flange (2) and the flange plugging plate (3); a test pipeline (6) is arranged on the end face of the outer side of the flange plugging plate (3), and the test pipeline (6) is communicated with the pipeline (1) to be plugged; a pressure detection branch (7) and a water injection branch (8) are arranged on the test pipeline (6); the pressure detection branch (7) is provided with a pressure valve (9) and a pressure gauge (10), and the water injection branch (8) is provided with a water injection valve (11).
2. The special tool for the hydraulic test of the pipeline as claimed in claim 1, wherein: a plurality of through holes (5) are correspondingly formed in the clamp type flange (2) and the flange plugging plate (3), and the connecting piece (4) penetrates through the through holes (5) to fixedly connect the clamp type flange (2) and the flange plugging plate (3).
3. The special tool for the hydraulic test of the pipeline according to claim 1 or 2, wherein: the clamp type flange (2) comprises two identical half type flanges (21), the half type flanges (21) are semi-annular, and the diameter of a central circle formed by the two half type flanges is matched with the diameter of the pipeline to be plugged.
4. The special tool for the hydraulic test of the pipeline as claimed in claim 3, wherein: the two ends of the half-type flange (21) are perpendicular to the plane where the half-type flange is located and protrude outwards to form a lug (22), and a connecting through hole (23) is formed in the lug (22).
5. The special tool for the hydraulic test of the pipeline as claimed in claim 1, wherein: the connecting piece (4) is a connecting bolt.
6. The special tool for the hydraulic test of the pipeline as claimed in claim 1, wherein: and a sealing gasket is arranged between the flange plugging plate (3) and the pipe orifice of the pipeline (1) to be plugged.
7. The special tool for the hydraulic test of the pipeline as claimed in claim 1, wherein: the pipeline (1) to be plugged is a steel skeleton polyethylene plastic composite pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432578.2U CN209992303U (en) | 2019-03-29 | 2019-03-29 | Special tool for pipeline hydrostatic test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432578.2U CN209992303U (en) | 2019-03-29 | 2019-03-29 | Special tool for pipeline hydrostatic test |
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| CN209992303U true CN209992303U (en) | 2020-01-24 |
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| CN201920432578.2U Active CN209992303U (en) | 2019-03-29 | 2019-03-29 | Special tool for pipeline hydrostatic test |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426463A (en) * | 2020-04-29 | 2020-07-17 | 金平国能电冶开发有限公司 | Device and method for testing hydraulic pressure resistance of jet needle of impulse turbine |
| CN112611645A (en) * | 2020-12-30 | 2021-04-06 | 青岛同创管道***有限公司 | Groove type pipe fitting pressure testing method |
| CN114235311A (en) * | 2021-12-20 | 2022-03-25 | 中车大连机车车辆有限公司 | Pipeline hydrostatic test method suitable for groove on one side and flange on the other side |
| CN114354099A (en) * | 2022-01-07 | 2022-04-15 | 中铁建设集团机电安装有限公司 | Water supply pipeline pressure test process |
| CN114894631A (en) * | 2022-06-21 | 2022-08-12 | 安徽省特种设备检测院 | Remote monitoring high-pressure pipeline water pressure experiment booster unit |
-
2019
- 2019-03-29 CN CN201920432578.2U patent/CN209992303U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426463A (en) * | 2020-04-29 | 2020-07-17 | 金平国能电冶开发有限公司 | Device and method for testing hydraulic pressure resistance of jet needle of impulse turbine |
| CN111426463B (en) * | 2020-04-29 | 2022-05-17 | 金平国能电冶开发有限公司 | Device and method for testing hydraulic pressure resistance of jet needle of impulse turbine |
| CN112611645A (en) * | 2020-12-30 | 2021-04-06 | 青岛同创管道***有限公司 | Groove type pipe fitting pressure testing method |
| CN114235311A (en) * | 2021-12-20 | 2022-03-25 | 中车大连机车车辆有限公司 | Pipeline hydrostatic test method suitable for groove on one side and flange on the other side |
| CN114354099A (en) * | 2022-01-07 | 2022-04-15 | 中铁建设集团机电安装有限公司 | Water supply pipeline pressure test process |
| CN114354099B (en) * | 2022-01-07 | 2024-04-09 | 中铁建设集团机电安装有限公司 | Pressure test technology for water supply pipeline |
| CN114894631A (en) * | 2022-06-21 | 2022-08-12 | 安徽省特种设备检测院 | Remote monitoring high-pressure pipeline water pressure experiment booster unit |
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