CN210069189U - Flange device for pipeline pressure detection - Google Patents
Flange device for pipeline pressure detection Download PDFInfo
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- CN210069189U CN210069189U CN201920945501.5U CN201920945501U CN210069189U CN 210069189 U CN210069189 U CN 210069189U CN 201920945501 U CN201920945501 U CN 201920945501U CN 210069189 U CN210069189 U CN 210069189U
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- flange
- welding
- pipeline
- blind
- pressure detection
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Abstract
The utility model relates to a flange device for pipeline pressure detection, which comprises a welding flange and a blind flange; a plurality of fastening bolts which are uniformly distributed in the radial direction are arranged on the back side of the welding flange, and the fastening bolts are in threaded connection with the welding flange and can move in the radial direction of the welding flange; the blind flange is arranged on the front side of the welding flange, and the edge of the blind flange and the edge of the welding flange are fixedly connected through a bolt assembly; the utility model has the advantages of reasonable design, can accomplish through fastening bolt connection between pipeline and the flange device, convenient to use, pipeline pressure test is efficient.
Description
Technical Field
The utility model relates to a welding pipeline detects technical field, especially relates to a flange device for pipeline pressure detects.
Background
In the existing pressure test of the welded pipeline, when the welded pipeline is long, one end of the pipeline adopts a blocking flange, and the other end of the pipeline is open, the pressure test of the welded pipeline is required, a blind flange is welded at the open end of the welded pipeline, and the blind flange is cut off after the test is finished.
Secondly, in the process of prefabricating the machine room pipeline, two ends of a plurality of welded pipelines are open, so that blind plates are welded at two ends when the welded pipelines are detected, and the blind plate flanges are cut after the test is finished.
After the pressure detection of the welded pipeline is completed, the process of cutting the blind flange is very complicated, and the welded pipeline needs to be subjected to appearance repair, so that the material is wasted and the pressure detection time of the welded pipeline is prolonged.
Disclosure of Invention
In order to solve the deficiencies in the prior art, an object of the utility model is to provide a flange device for pipeline pressure detects for replace the mode that adopts welding blind flange and cutting.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a flange device for pipeline pressure detection which characterized in that:
comprises a welding flange and a blind flange;
a plurality of fastening bolts which are uniformly distributed in the radial direction are arranged on the back side of the welding flange, and the fastening bolts are in threaded connection with the welding flange and can move in the radial direction of the welding flange;
the blind flange is arranged on the front side of the welding flange, and the edge of the blind flange and the edge of the welding flange are fixedly connected through a bolt assembly.
And an air inlet device is arranged in the middle of the blind flange.
The welding flange surface be equipped with the fixed plate that fastening bolt corresponds, the fixed plate perpendicular to welding flange sets up, and be equipped with on the fixed plate be used for with fastening bolt threaded connection's screw.
The fixing plates and the fastening bolts are arranged in a one-to-one correspondence mode.
The welding flange and the blind flange are arranged at the edge of the opening at the end part of the welding pipeline, the welding flange is fixed at the end part of the welding pipeline through a fastening bolt, and the blind flange is positioned at the outer side of the opening at the end part of the welding pipeline and seals the opening.
The blind flange is equipped with rubber seal pad towards one side surface of welding flange, and the blind flange presss from both sides tightly rubber seal pad sets up the uncovered that is used for sealed pipeline tip.
To sum up, the beneficial effects of the utility model are that:
structural design is reasonable, can accomplish through fastening bolt connection between pipeline and the flange device, convenient to use, pipeline pressure test efficiency is high.
The size of the flange can be adjusted according to the size of a welded pipeline, and the specification and model of the fastening bolt and the nut can be adjusted according to the size of the flange.
Be equipped with the air inlet unit that is used for pressure test to use in advance on the blind flange, air inlet unit and external pressure pipe connection convenient and fast have further improved pipeline pressure test efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic axial view of the structure of the present invention.
Fig. 3 is a schematic structural view of a welding flange.
Fig. 4 is a schematic structural view of a blind flange.
In the figure: 1 bolt assembly, 2 flange interfaces, 3 welding flanges, 4 welding pipelines, 5 welding elbows, 6 rubber sealing gaskets, 7 fixing plates, 8 fastening bolts, 9 welding flanges, 10 blind flange flanges and 11 air inlet devices.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
As shown in fig. 1 to 4: the embodiment discloses a flange device for pipeline pressure detection, including welding flange 3 and blind flange 10, wherein:
eight fastening bolts 8 which are uniformly distributed in the radial direction are arranged on the back side of the welding flange 3, a fixing plate 7 corresponding to the fastening bolts 8 is further arranged on the surface of the back side of the welding flange 3, the fixing plate 7 is fixedly welded on the back side of the welding flange 3, the fixing plate 7 and the fastening bolts 8 are arranged in a one-to-one correspondence mode, the fixing plate 7 is perpendicular to the welding flange 3, screw holes used for being in threaded connection with the fastening bolts 8 are formed in the fixing plate 7, screw rods of the fastening bolts 8 are in threaded connection with the welding flange 3 and can move in the radial direction of the welding flange 3, and preferably, the fixing plate 7 is made of nuts which are convenient to obtain and have a good threaded connection effect with;
in the structure, the fastening bolts 8 can move along the radial direction of the welding flange 3 through rotation, so that the fastening bolts 8 are matched, and the assembly space formed by the multiple inner side end parts of the fastening bolts 8 can be adjusted, so that the fastening bolts are suitable for welding pipelines 4 with different diameters.
An air inlet device 11 is arranged in the middle of the blind flange 10, the blind flange 10 is arranged on the front side of the welding flange 3, and the edge of the blind flange 10 and the edge of the welding flange 3 are fixedly connected through a bolt assembly 1; further, in order to ensure the sealing effect of the blind flange 10 during use, the blind flange 10 is provided with a rubber sealing gasket 6 towards one side surface of the welding flange 3, the blind flange 10 clamps the rubber sealing gasket 6 is provided with an opening for sealing the end part of the pipeline, so that the blind flange 10 improves the sealing effect of the blind flange and the pipeline through the rubber sealing gasket 6.
Welding flange 3 and blind flange 10 are in the use, welding flange 3 and blind flange 10 set up at the opening edge of welding 4 tip of pipeline, and welding flange 3 passes through fastening bolt 8 to be fixed at welding 4 tip of pipeline and is close to opening and sets up, and blind flange 10 is located the opening outside of welding 4 tip of pipeline and seals it, and concrete implementation structure is as follows:
when a pipeline with one end being a flange connector 2 and the other end being an open type is tested, one end of the flange connector 2 of the pipeline is plugged with the flange connector 2 through a plugging flange and a bolt assembly 1; then, the open end of the pipeline is preliminarily fixed by the welding flange 3 and the pipeline through the fastening bolt 8, and then the welding flange 3 is firmly connected with the pipeline by adjusting the fastening force of the fastening bolt 8; placing rubber seal pad 6 between the opposite side of welding flange 3 and blind flange 10 to bolt assembly 1 firm in connection carries out pressure test to the pipeline through air inlet unit 11 on blind flange 10, and the adjustment fastening bolt 8 is with welding flange 3, blind flange 10 and pipeline separation after experimental completion, accomplishes pipeline pressure test.
When the pipeline with both ends open is tested, the operation structure of the open end of the pipeline in the above implementation structure is carried out, and an air inlet device 11 is arranged in the middle of the blind flange 10 at one end.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (6)
1. The utility model provides a flange device for pipeline pressure detection which characterized in that:
comprises a welding flange and a blind flange;
a plurality of fastening bolts which are uniformly distributed in the radial direction are arranged on the back side of the welding flange, and the fastening bolts are in threaded connection with the welding flange and can move in the radial direction of the welding flange;
the blind flange is arranged on the front side of the welding flange, and the edge of the blind flange and the edge of the welding flange are fixedly connected through a bolt assembly.
2. The flange device for pipe pressure detection according to claim 1, wherein: and an air inlet device is arranged in the middle of the blind flange.
3. The flange device for pipe pressure detection according to claim 1, wherein: the welding flange surface be equipped with the fixed plate that fastening bolt corresponds, the fixed plate perpendicular to welding flange sets up, and be equipped with on the fixed plate be used for with fastening bolt threaded connection's screw.
4. A flange apparatus for pipe pressure testing according to claim 3, wherein: the fixing plates and the fastening bolts are arranged in a one-to-one correspondence mode.
5. The flange device for pipe pressure detection according to claim 1, wherein: the welding flange and the blind flange are arranged at the edge of the opening at the end part of the welding pipeline, the welding flange is fixed at the end part of the welding pipeline through a fastening bolt, and the blind flange is positioned at the outer side of the opening at the end part of the welding pipeline and seals the opening.
6. The flange device for pipe pressure detection according to claim 5, wherein: the blind flange is equipped with rubber seal pad towards one side surface of welding flange, and the blind flange presss from both sides tightly rubber seal pad sets up the uncovered that is used for sealed pipeline tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945501.5U CN210069189U (en) | 2019-06-22 | 2019-06-22 | Flange device for pipeline pressure detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945501.5U CN210069189U (en) | 2019-06-22 | 2019-06-22 | Flange device for pipeline pressure detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210069189U true CN210069189U (en) | 2020-02-14 |
Family
ID=69428467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920945501.5U Active CN210069189U (en) | 2019-06-22 | 2019-06-22 | Flange device for pipeline pressure detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210069189U (en) |
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2019
- 2019-06-22 CN CN201920945501.5U patent/CN210069189U/en active Active
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