CN220452710U - Sealing device for pressure testing of forging for pressure vessel - Google Patents
Sealing device for pressure testing of forging for pressure vessel Download PDFInfo
- Publication number
- CN220452710U CN220452710U CN202322071913.XU CN202322071913U CN220452710U CN 220452710 U CN220452710 U CN 220452710U CN 202322071913 U CN202322071913 U CN 202322071913U CN 220452710 U CN220452710 U CN 220452710U
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- pressure
- rod
- connecting pipe
- wall
- pressure vessel
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- 238000007789 sealing Methods 0.000 title claims abstract description 74
- 238000005242 forging Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a sealing device for pressure testing of forgings for pressure containers, and particularly relates to the field of pressure container forgings. According to the utility model, the threaded rod and the threaded sleeve are arranged, the first sealing element and the second sealing element are sleeved at the two ends of the pressure container connecting pipe, so that the pressure container connecting pipe is sealed finally, and the sealing effect of the pressure container connecting pipe is improved through the plugging air bag.
Description
Technical Field
The utility model relates to the technical field of pressure vessel forgings, in particular to a sealing device for pressure testing of a pressure vessel forgings.
Background
The pressure vessel forging refers to a sealing device containing gas or liquid and bearing a certain pressure, and has wide application, plays an important role in a plurality of departments of industry, civil engineering, military industry, scientific research and the like, wherein the vessel is mainly used in chemical industry and petrochemical industry, such as heat transfer, mass transfer, reaction and other technological processes, and storage and transportation of pressure gas or liquefied gas.
The utility model discloses a sealing device for pressure test of a pressure vessel forging connection pipe, which is disclosed in China patent publication No. 210461678U and is used for sealing the pressure test of the pressure vessel forging connection pipe, wherein the forging connection pipe comprises a pipe body and at least two stop blocks arranged in the pipe body and positioned on the same plane.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a sealing device for testing pressure of a forging for a pressure vessel, in which a threaded rod and a threaded sleeve are provided, and a first sealing member and a second sealing member are sleeved at two ends of a pressure vessel connecting pipe, so as to seal the pressure vessel connecting pipe, thereby solving the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealing device that forging pressure testing used for pressure vessel, includes the pressure vessel takeover, first sealing member has been cup jointed to the one end of pressure vessel takeover, the outer wall fixed mounting of first sealing member has the connecting pipe, the one end of connecting pipe has the notes pressure pipe through threaded connection, the outer wall of connecting pipe has cup jointed the slide, one side fixed mounting of slide has the shutoff gasbag, shutoff gasbag fixed mounting is in one side of first sealing member, the inside fixed mounting of first sealing member has sealing washer, the air inlet has been seted up to the outer wall of connecting pipe, the one end fixedly connected with threaded rod of notes pressure pipe is kept away from to the connecting pipe, the outer wall of threaded rod has the thread bush through threaded connection, the one end fixedly connected with inserted bar of thread bush, the outer wall of inserted bar has cup jointed the second sealing member, the one end at the pressure vessel takeover is pegged graft to the second sealing member, the outer wall fixed mounting of second sealing member has the shutoff gasbag, the inserted bar cup joints the inside at the three-jaw chuck.
In a preferred embodiment, a clamping groove is formed in the inserting rod, and a clamping block is inserted into the clamping groove.
In a preferred embodiment, a connecting rod is inserted into the interior of the inserting rod, and the clamping block is connected to the interior of the connecting rod in a sliding manner.
In a preferred embodiment, a pressure spring is fixedly installed on one side of the clamping block, and the pressure spring is fixedly installed inside the connecting rod.
In a preferred embodiment, the outer wall of the clamping block is fixedly connected with a connecting rope, the connecting rope is inserted into the pressure spring, and the connecting rope is inserted into the connecting rod.
In a preferred embodiment, the outer wall of the connecting rope is sleeved with a connecting piece, and the connecting piece is connected inside the connecting rod in a sliding mode.
In a preferred embodiment, one end of the connecting piece is fixedly connected with a pull ring, and the pull ring is slidingly connected inside the connecting rod.
The utility model has the technical effects and advantages that:
according to the utility model, the threaded rod and the threaded sleeve are arranged, when the pressure vessel connecting pipe is required to be sealed, the first sealing element and the second sealing element are sleeved at two ends of the pressure vessel connecting pipe, then the threaded sleeve is in threaded connection with the threaded rod, the inserted rod is fixed through the three-jaw chuck, the first sealing element and the second sealing element are further used for sealing the pressure vessel connecting pipe, and when the interior of the pressure vessel connecting pipe is enlarged, the sliding plate is pressed by pressure to block the deformation of the air bag to block the inner wall of the pressure vessel connecting pipe, so that the sealing effect of the pressure vessel connecting pipe is improved;
according to the utility model, the clamping blocks and the connecting ropes are arranged, so that when the connecting rod is inserted into the inserting rod, the clamping blocks can be extruded into the connecting rod by the inserting rod, when the connecting rod and the inserting rod are inserted, the clamping blocks can be pushed by the pressure springs to be inserted into the clamping grooves when the clamping blocks move to the inlets of the clamping grooves, the clamping blocks are connected with the connecting rod and the inserting rod, the length of the inserting rod can be prolonged by the connecting rod, and then the sealing device can seal pressure container connecting pipes with different lengths.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a sectional view showing the structure of the pressure vessel nipple of the present utility model.
Fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.
The reference numerals are: 1. a pressure vessel nipple; 2. a first seal; 3. a connecting pipe; 4. a pressure injection pipe; 5. a slide plate; 6. plugging the air bag; 7. a sealing gasket; 8. an air inlet; 9. a threaded rod; 10. a thread sleeve; 11. a rod; 12. a second seal; 13. a three-jaw chuck; 14. a clamping groove; 15. a clamping block; 16. a connecting rod; 17. a pressure spring; 18. a connecting rope; 19. a connecting piece; 20. and (5) a pull ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to the accompanying drawings 1-3 of the specification, the sealing device for pressure testing of the forging for the pressure vessel comprises a pressure vessel connecting pipe 1 (pressure vessel forging), and is shown in the specification, a first sealing element 2 is sleeved at one end of the pressure vessel connecting pipe 1, a connecting pipe 3 is fixedly arranged on the outer wall of the first sealing element 2, a pressure injection pipe 4 is connected at one end of the connecting pipe 3 through threads, a sliding plate 5 is sleeved on the outer wall of the connecting pipe 3, a blocking air bag 6 is fixedly arranged at one side of the sliding plate 5, the blocking air bag 6 is fixedly arranged at one side of the first sealing element 2, a sealing gasket 7 is fixedly arranged in the first sealing element 2, an air inlet 8 is formed in the outer wall of the connecting pipe 3, a threaded rod 9 is fixedly connected at one end of the connecting pipe 3 far from the pressure injection pipe 4, a threaded rod 10 is connected at the outer wall of the threaded rod 9 through threads, a plug rod 11 is fixedly connected at one end of the threaded sleeve 10, a second sealing element 12 is sleeved at the outer wall of the plug rod 11, the second sealing element 12 is spliced at one end of the pressure vessel 1, a three-jaw chuck 13 is fixedly arranged on the outer wall of the second sealing element 12, by the arrangement of the three-jaw chuck 13, when the thread bush 10 is half of the thread of the threaded rod 9, the fixing between the plunger 11 and the second sealing member 12 can be made by the three-jaw chuck 13, the second sealing element 12 can then be rotated, so that the second sealing element 12 drives the insert rod 11 to rotate through the three-jaw chuck 13, the insert rod 11 drives the threaded sleeve 10 to continue to be in threaded connection with the threaded rod 9, the relative distance between the first sealing element 2 and the second sealing element 12 is reduced, and the sealing effect of the first sealing element 2 and the second sealing element 12 on the pressure vessel connecting pipe 1 is better, and the inserted link 11 is sleeved in the three-jaw chuck 13.
When the pressure vessel connecting pipe 1 needs to be sealed, the first sealing element 2 and the second sealing element 12 are sleeved at two ends of the pressure vessel connecting pipe 1, the inserted rod 11 is inserted into the second sealing element 12 until the inserted rod 11 drives the threaded sleeve 10 to be in contact with the threaded rod 9, then the inserted rod 11 is rotated, the inserted rod 11 drives the threaded sleeve 10 to be in threaded connection with the threaded rod 9, the inserted rod 11 is pulled to drive the first sealing element 2 to be attached to one end of the pressure vessel connecting pipe 1, the second sealing element 12 is extruded to be attached to the other end of the pressure vessel connecting pipe 1, then the three-jaw chuck 13 is rotated, the three-jaw chuck 13 limits and fixes the inserted rod 11, the position of the inserted rod 11 is not changed any more, the first sealing element 2 and the second sealing element 12 are attached and fixed at two ends of the pressure vessel connecting pipe 1, and the pressure vessel 1 is sealed, then the injection pressure pipe 4 is connected with one end of the connecting pipe 3 through threads, so that pressure transmission medium can be discharged into the connecting pipe 3 and enter the pressure container connecting pipe 1 through the air inlet 8, the pressure container connecting pipe 1 is subjected to pressurizing test, along with the increase of the pressure in the pressure container connecting pipe 1, the sliding plate 5 is pressed by pressure, the sliding plate 5 is pressed to deform the plugging air bag 6, the deformed plugging air bag 6 is attached to the inner wall of the pressure container connecting pipe 1 to form auxiliary sealing for sealing the first sealing element 2 and the second sealing element 12, the sealing effect of the pressure container connecting pipe 1 is improved, and the three-jaw chuck 13 can be used for stopping clamping and fixing the inserted rod 11 after the pressure transmission medium in the pressure container connecting pipe 1 is discharged after the pressure measurement of the pressure container connecting pipe 1 is completed, and then the inserted rod 11 is reversely rotated, the inserted rod 11 drives the threaded sleeve 10 to be gradually separated from the threaded rod 9, and after the threaded sleeve 10 is separated from the threaded rod 9, the first sealing element 2 and the connecting pipe 3 sleeved at the two ends of the pressure container connecting pipe 1 can be easily taken down, so that the sealing pressure measurement can be conveniently carried out on the next pressure container connecting pipe 1.
Example 2: referring to fig. 3 in detail, a clamping groove 14 is formed in the interior of the inserting rod 11, a clamping block 15 is inserted into the clamping groove 14, a connecting rod 16 is inserted into the interior of the inserting rod 11, the clamping block 15 is connected to the interior of the connecting rod 16 in a sliding mode, a pressure spring 17 is fixedly installed on one side of the clamping block 15, the pressure spring 17 is fixedly installed in the interior of the connecting rod 16, a connecting rope 18 is fixedly connected to the outer wall of the clamping block 15, the connecting rope 18 is inserted into the interior of the pressure spring 17, the connecting rope 18 is inserted into the interior of the connecting rod 16, the connecting rope 18 is arranged in the interior of the connecting rod 16 in an inserting mode through the connecting rope 18, when the connecting piece 19 is pulled, the connecting rope 18 can be changed in direction by the connecting rod 16, the connecting rope 18 can be pulled into a shape of a Chinese character 'ji', the connecting rope 18 can be pulled into the interior of Cheng Kacao perpendicularly, a connecting piece 19 is sleeved on the outer wall of the connecting rope 18, the connecting piece 19 is connected to the interior of the connecting rod 16 in a sliding mode, one end of the connecting piece 19 is fixedly connected with a pull ring 20, and the pull ring 20 is connected to the interior of the connecting rod 16 in a sliding mode.
It should be noted that, when the extension rod 16 is inserted into the interior of one end of the inserting rod 11, the clamping block 15 is extruded by the socket at one end of the inserting rod 11, so that the clamping block 15 extrudes the pressure spring 17 and then enters the interior of the inserting rod 16, after the extension rod 16 is inserted into the inserting rod 11, the clamping block 15 moves to the entrance of the clamping groove 14 in the inserting rod 11, then the clamping block 15 is pushed by the reset extension of the pressure spring 17, the clamping block 15 is inserted into the clamping groove 14, so that the clamping block 15 is connected between the abutting rod 16 and the inserting rod 11, the extension rod 16 is prevented from being pulled out of the interior of the inserting rod 11, the length of the inserting rod 11 can be prolonged, the inserting rod 11 can be inserted into the pressure container connecting pipe 1, and then the sealing device can seal the pressure container connecting pipe 1 with different lengths, and when the extension rod 16 is required to be separated from the inserting rod 11, the pull ring 20 in the interior of the inserting rod 16 can be pulled, the connecting piece 19 can be pulled along the interior of the inserting rod 16, the connecting piece 19 can be pulled, the connecting rope 18 can be pulled out of the clamping groove 18 and the inserting rod 11 can be separated from the inserting rod 11, and the inserting rod 11 can be connected with the inserting rod 11 rapidly and then separated from the inserting rod 11.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a sealing device that forging pressure testing used for pressure vessel, includes pressure vessel takeover (1), its characterized in that: the utility model discloses a chuck, including pressure vessel takeover (1), first sealing member (2) have been cup jointed to the one end of pressure vessel takeover (1), the outer wall fixed mounting of first sealing member (2) has connecting pipe (3), the one end of connecting pipe (3) has injection pipe (4) through threaded connection, slide (5) have been cup jointed to the outer wall of connecting pipe (3), one side fixed mounting of slide (5) has shutoff gasbag (6), shutoff gasbag (6) fixed mounting is in one side of first sealing member (2), the inside fixed mounting of first sealing member (2) has sealing washer (7), air inlet (8) have been seted up to the outer wall of connecting pipe (3), the one end fixedly connected with threaded rod (9) of injection pipe (4) are kept away from to connecting pipe (3), the outer wall of threaded rod (9) has thread bush (10) through threaded connection, the one end fixedly connected with inserted bar (11) of threaded bush (10), the outer wall of inserted bar (11) has second sealing member (12), the inside chuck (13) of inserted bar (12) are cup jointed in pressure vessel (1).
2. The sealing device for pressure testing of forgings for pressure vessels according to claim 1, wherein: the inside of inserted bar (11) has seted up draw-in groove (14), the inside grafting of draw-in groove (14) has fixture block (15).
3. The sealing device for pressure testing of forgings for pressure vessels according to claim 2, wherein: the inside of inserted bar (11) is pegged graft and is had extension rod (16), fixture block (15) sliding connection is in the inside of extension rod (16).
4. A seal for pressure testing of forgings for pressure vessels as set forth in claim 3 wherein: one side of the clamping block (15) is fixedly provided with a pressure spring (17), and the pressure spring (17) is fixedly arranged in the connecting rod (16).
5. The sealing device for pressure testing of forgings for pressure vessels as set forth in claim 4 wherein: the outer wall of the clamping block (15) is fixedly connected with a connecting rope (18), the connecting rope (18) is inserted into the pressure spring (17), and the connecting rope (18) is inserted into the connecting rod (16).
6. The sealing device for pressure testing of forgings for pressure vessels as set forth in claim 5 wherein: the outer wall of the connecting rope (18) is sleeved with a connecting piece (19), and the connecting piece (19) is connected inside the connecting rod (16) in a sliding mode.
7. The sealing device for pressure testing of forgings for pressure vessels as set forth in claim 6, wherein: one end of the connecting piece (19) is fixedly connected with a pull ring (20), and the pull ring (20) is in sliding connection with the inside of the connecting rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071913.XU CN220452710U (en) | 2023-08-03 | 2023-08-03 | Sealing device for pressure testing of forging for pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071913.XU CN220452710U (en) | 2023-08-03 | 2023-08-03 | Sealing device for pressure testing of forging for pressure vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452710U true CN220452710U (en) | 2024-02-06 |
Family
ID=89734902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322071913.XU Active CN220452710U (en) | 2023-08-03 | 2023-08-03 | Sealing device for pressure testing of forging for pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452710U (en) |
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2023
- 2023-08-03 CN CN202322071913.XU patent/CN220452710U/en active Active
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| GR01 | Patent grant |