CN209878294U - Welding flange pressure testing device - Google Patents
Welding flange pressure testing device Download PDFInfo
- Publication number
- CN209878294U CN209878294U CN201920639111.5U CN201920639111U CN209878294U CN 209878294 U CN209878294 U CN 209878294U CN 201920639111 U CN201920639111 U CN 201920639111U CN 209878294 U CN209878294 U CN 209878294U
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- CN
- China
- Prior art keywords
- support
- welding flange
- movable support
- guide rail
- pressure testing
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- 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.)
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- 238000003466 welding Methods 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a welded flange pressure test device. The welding flange pressure testing device mainly comprises a fixed support and a movable support which are installed on a supporting frame, a welding flange waiting for pressure testing is connected between the fixed support and the movable support, the movable support connects the welding flange with the fixed support, and a locking screw is rotated to drive a J-shaped locking hook to fix the movable support on a guide rail of the supporting frame and lock the flange. The utility model adopts the movable support and the fixed support which slide along the guide rail to be positioned on the support frame, and the three parts are coaxial after the welding flange is connected to form tight sealing, thereby realizing the accurate test of pressure; the locking screw drives the locking hook to fix the movable support on the support frame, the movable support is locked on the welding flange, the welding flange is firmly connected, and the pressure test is safe and reliable. The device is suitable for being used as a welding flange pressure testing device.
Description
Technical Field
The utility model provides a pressure test device in pipeline field mainly is applied to the welded flange of pipe fitting. In particular to a welding flange pressure testing device.
Background
At present, a pipe fitting and a flange in pipeline engineering are generally welded into a whole, belong to pressure bearing parts and need to perform pressure test on a welding part. Generally, pressure testing is performed after the pipelines are integrally connected, and pressure testing cannot be performed on the welding flange of an independent pipe fitting.
Disclosure of Invention
In order to carry out pressure test with the welded flange of independent pipe fitting, the utility model provides a welded flange pressure test device. The device connects the pipe fitting that will weld the flange through setting up fixing support and removal support on the support frame, observes the manometer and records the test result after carrying compressed air, accomplishes the pressure test to the welding flange, solves the technical problem of welding flange pressure test.
The utility model provides a scheme that technical problem adopted is:
the welding flange pressure testing device mainly comprises a fixed support and a movable support which are installed on a supporting frame, a welding flange waiting for pressure testing is connected between the fixed support and the movable support, the movable support connects the welding flange with the fixed support, and a locking screw is rotated to drive a J-shaped locking hook to fix the movable support on a guide rail of the supporting frame and lock the flange.
The fixed support is connected to the end portion of the upper portion of the support frame, a sleeve locked through a U-shaped pipe bolt is arranged on the upper portion of the fixed support, two ends of the sleeve are connected with connecting flanges, and an end cover with a pressure gauge is used for plugging the connecting flanges on the outer side.
The movable support is arranged on a guide rail of the support frame, a sleeve locked by a U-shaped pipe bolt is arranged at the upper part of the movable support, two ends of the sleeve are connected with connecting flanges, and the connecting flanges at the outer sides are plugged by end covers provided with air inlet connectors and air outlet connectors; the lower part of the movable support is provided with an inwards concave sliding block connected through a hoisting screw to be matched with an outwards convex guide rail; the rectangular fixing plate connects the J-shaped locking hook to the side part of the inner side of the sliding block, and the locking screw drives the locking hook to hook the step platform on the side part of the guide rail, so that the movable support is fixed on the guide rail.
The connecting flanges and the welding flanges on the inner sides of the fixed support and the movable support are coaxial.
The upper part of the guide rail is in an outward convex shape, and the side part of the guide rail is provided with a step platform and is connected to the support frame through an embedded screw.
The lower part of the support frame is provided with a stable upright post.
The device has the advantages that the movable support and the fixed support which slide along the guide rail are positioned on the support frame, and the movable support and the fixed support which slide along the guide rail are coaxially connected with each other by the welding flange to form tight sealing, so that accurate pressure testing is realized; the locking screw drives the locking hook to fix the movable support on the support frame, the movable support is locked on the welding flange, the welding flange is firmly connected, and the pressure test is safe and reliable.
The device is suitable for being used as a welding flange pressure testing device.
Drawings
FIG. 1 is a front sectional view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a right side view of the present invention;
fig. 4 is a partially enlarged view of the mobile support.
In the figure, 1, a support frame, 2, a fixed support, 3, a movable support, 4, an upright post, 5, a guide rail, 6, a connecting flange, 7, a sleeve, 8, an end cover, 9, a U-shaped pipe bolt, 10, an air inlet joint, 11, an air outlet joint, 12, a pressure gauge, 13, a sliding block, 14, a locking hook, 15, a fixed plate, 16, a locking screw, 17, an embedded screw and 18 a hoisting screw are arranged.
Detailed Description
As shown in the figure, the welding flange pressure testing device mainly comprises a fixed support 2 and a movable support 3 which are arranged on a support frame 1, a welding flange waiting for pressure testing is connected between the fixed support and the movable support, the movable support connects the welding flange with the fixed support, and a locking screw 16 is rotated to drive a J-shaped locking hook 14 to fix the movable support on a guide rail 5 of the support frame and lock the flange.
The fixed support is connected to the end portion of the upper portion of the supporting frame, a sleeve 7 locked through a U-shaped pipe bolt 9 is arranged on the upper portion of the fixed support, two ends of the sleeve are connected with connecting flanges 6, and the connecting flanges on the outer side are plugged by end covers 8 with pressure gauges 12.
The movable support is arranged on a guide rail of the support frame, a sleeve locked by a U-shaped pipe bolt is arranged at the upper part of the movable support, two ends of the sleeve are connected with connecting flanges, and the connecting flanges at the outer sides are plugged by end covers provided with an air inlet joint 10 and an air outlet joint 11; the lower part of the movable support is provided with an inward concave sliding block 13 connected through a hoisting screw 18 to be matched with an outward convex guide rail; the rectangular fixing plate 15 connects the J-shaped locking hook to the inner side of the slide block, and the locking screw drives the locking hook and hooks the step platform on the side of the guide rail, so that the movable support is fixed on the guide rail.
The connecting flanges and the welding flanges on the inner sides of the fixed support and the movable support are coaxial.
The upper part of the guide rail is in an outward convex shape, and the side part of the guide rail is provided with a step platform and is connected to the support frame through an embedded screw 17.
The lower part of the support frame is provided with a stand column 4 for stability.
The utility model discloses a theory of operation:
the fixed support is positioned at one end of the support frame, and the movable support is positioned on the guide rail of the support frame to form an integral working platform; the connecting flanges on the inner sides of the fixed support and the movable support are concentric with the axis of the welding flange, so that the three are tightly connected, the sealing performance is good, and the pressure testing precision is improved.
The locking screw drives the locking hook to fix the movable support on the guide rail of the support frame and lock the movable support, and the movable support is reliably connected with the guide rail, so that the strength of the welding flange, the fixed support and the connecting flange on the inner side of the movable support is enhanced.
The utility model has the characteristics that:
because set up fixing support and removal support on the support frame, remove the support and follow guide rail parallel translation, so can carry out quick butt joint to the welding flange to it is tight to be located the sealed after the same axis hookup, realizes accurate pressure test.
Because the locking hook is arranged between the movable support and the guide rail, and the movable support is fixed on the support frame through the locking screw, the welding flange can be locked, and the pressure test is safe and reliable.
Claims (6)
1. Welding flange pressure test device, characterized by: the welding flange pressure testing device mainly comprises a fixed support (2) and a movable support (3) which are arranged on a support frame (1), the welding flange waiting for pressure testing is connected between the fixed support and the movable support, the movable support connects the welding flange with the fixed support, and a locking screw (16) is rotated to drive a J-shaped locking hook (14) to fix the movable support on a guide rail (5) of the support frame and lock the flange.
2. The welding flange pressure testing device of claim 1, wherein: the fixed support is connected to the end portion of the upper portion of the support frame, a sleeve (7) locked through a U-shaped pipe bolt (9) is arranged on the upper portion of the fixed support, two ends of the sleeve are connected with connecting flanges (6), and an end cover (8) with a pressure gauge (12) is used for plugging the connecting flanges on the outer side.
3. The welding flange pressure testing device of claim 1, wherein: the movable support is arranged on a guide rail of the support frame, a sleeve locked by a U-shaped pipe bolt is arranged at the upper part of the movable support, two ends of the sleeve are connected with connecting flanges, and the connecting flanges at the outer side are plugged by end covers provided with an air inlet joint (10) and an air outlet joint (11); the lower part of the movable support is provided with an inward concave sliding block (13) which is connected through a hoisting screw (18) and is matched with the outward convex guide rail; the J-shaped locking hook is connected to the side part of the inner side of the sliding block through the rectangular fixing plate (15), and the locking screw drives the locking hook to hook the stepped platform on the side part of the guide rail, so that the movable support is fixed on the guide rail.
4. The welding flange pressure testing device according to claim 2 or 3, wherein: the connecting flanges and the welding flanges on the inner sides of the fixed support and the movable support are coaxial.
5. The welding flange pressure testing device of claim 1, wherein: the upper part of the guide rail is in an outward convex shape, and the side part of the guide rail is provided with a step platform and is connected to the support frame through an embedded screw (17).
6. The welding flange pressure testing device of claim 1, wherein: the lower part of the supporting frame is provided with a stable upright post (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920639111.5U CN209878294U (en) | 2019-05-07 | 2019-05-07 | Welding flange pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920639111.5U CN209878294U (en) | 2019-05-07 | 2019-05-07 | Welding flange pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209878294U true CN209878294U (en) | 2019-12-31 |
Family
ID=68964007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920639111.5U Active CN209878294U (en) | 2019-05-07 | 2019-05-07 | Welding flange pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209878294U (en) |
-
2019
- 2019-05-07 CN CN201920639111.5U patent/CN209878294U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 57, Zhenghe Road, Longgang District, Huludao City, Liaoning Province Patentee after: Liaoning Shunda Machinery Manufacturing (Group) Co.,Ltd. Address before: 125003 No. 57 Zheng He road, Huludao Marine Industrial Zone, Longgang, Liaoning Patentee before: LIAONING SHUNDA MACHINERY MANUFACTURING Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Welding flange pressure testing device Effective date of registration: 20231201 Granted publication date: 20191231 Pledgee: China Construction Bank Corporation Huludao Branch Pledgor: Liaoning Shunda Machinery Manufacturing (Group) Co.,Ltd. Registration number: Y2023980069051 |