CN110108417A - A kind of tooling for Sea Chest air seal test - Google Patents
A kind of tooling for Sea Chest air seal test Download PDFInfo
- Publication number
- CN110108417A CN110108417A CN201910321750.1A CN201910321750A CN110108417A CN 110108417 A CN110108417 A CN 110108417A CN 201910321750 A CN201910321750 A CN 201910321750A CN 110108417 A CN110108417 A CN 110108417A
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- CN
- China
- Prior art keywords
- sea chest
- bottom plate
- cover board
- short tube
- pressure gauge
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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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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of toolings for Sea Chest air seal test, the tooling includes: bottom plate, the bottom plate is used to be arranged in the inside of the Sea Chest, the bottom plate can cover the Sea Chest from inside, several threaded posts towards outside are fixedly connected on the bottom plate, nut is connected in the threaded post, the first short tube, the second short tube are provided on the bottom plate, first short tube, the second short tube are distributed in the both ends of the bottom plate, first short tube, the second short tube both ends be connected to the inner space and outer space of the Sea Chest；Cover board, the cover board are used to be arranged in the outside of the Sea Chest, and the cover board can state Sea Chest from outer side covering residence, and the pore structure passed through for the threaded post is provided on the cover board.Beneficial effects of the present invention are that can be used for Sea Chest air seal test, which uses simply, easily operated, securely and reliably, have versatility.
Description
Technical field
The invention belongs to shipbuilding technical fields, and in particular to a kind of tooling for Sea Chest air seal test.
Background technique
During shipbuilding, Sea Chest air-tight test is the project that must carry out submitting inspection before ship undocking.
Sea Chest is as the non-confined space of open type, before doing air-tight test, it is necessary to is closed as confined space, while also selected
It takes air to enter pipe and air outlet slit pipe, can continue to carry out air-tight test.Previous Sea Chest air seal test, generallys use
Method is that aperture is carried out welded closure with steel plate, and which not only adds the workloads welded and cut off, and cuts off rear sea
Bottom door periphery steel plate deformed is very big, also to carry out plate fairing by hot working, and add additional workload.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of tooling for Sea Chest air seal test, this hair
It is bright to effectively reduce seal plate welding workload, accelerate air seal test and submit rate, is a kind of tooling of efficient quickly sealing plate.
To achieve the above object, the invention adopts the following technical scheme:
A kind of tooling for Sea Chest air seal test, the tooling include: bottom plate, and the bottom plate is used to that the sea is arranged in
The inside of bottom door, the bottom plate can cover the Sea Chest from inside, be fixedly connected on the bottom plate towards outside
Several threaded posts are connected with nut in the threaded post, are provided with the first short tube, the second short tube on the bottom plate, and described first
Short tube, the second short tube are distributed in the both ends of the bottom plate, first short tube, the second short tube both ends be connected to the Sea Chest
Inner space and outer space；Cover board, the cover board are used to be arranged in the outside of the Sea Chest, and the cover board can be from outside
The Sea Chest is covered, the pore structure passed through for the threaded post is provided on the cover board, the nut is arranged described
The outside of pore structure, the outer diameter of the nut are greater than the internal diameter of the pore structure；First valve, the first end of first valve
It is connected to first short tube, the second end of first valve is connected to external charger；First pressure gauge, described
One pressure gauge is connected to the third end of first valve；Second pressure gauge, the second pressure gauge and second short tube connect
It is logical.
Preferably, the second pressure gauge is connected to one end of the second valve, the other end of second valve with it is described
The connection of second short tube.
Preferably, second valve is ball valve.
Preferably, first valve is triple valve.
Preferably, the outside of the cover board includes several connecting plates, and the pore structure is laid on the connecting plate.
Preferably, the quantity of the connecting plate is 3, and the connecting plate is evenly distributed on the cover board, each described
Two pore structures are uniformly distributed on connecting plate.
Preferably, the connecting plate is H profile steel, web thickness 6mm, edge of a wing thickness 8mm.
Preferably, the bottom plate is A grades of ordinary steels or common carbon steel plate, and the base plate thickness is 4mm, the bottom plate
Having a size of 800*800mm, the bottom plate surrounding fillet of falling 50mm；The cover board be A grades of ordinary steels or common carbon steel plate, it is described
Cover sheet thickness is 4mm, and the size of the cover plate is 1000*1000mm, and the aperture of 700*700mm is equipped among the cover board.
Preferably, gasket is folded between the nut and the pore structure；The length of first short tube, the second short tube
It is 300mm, and inner wall even distribution is equipped with screw thread；The first pressure gauge, second pressure gauge range be 0-2MPa, it is minimum single
Position is 0.02MPa, and accuracy class is not less than 1.5；The first sealing ring, institute are provided between the bottom plate and the Sea Chest
It states and is provided with the second sealing ring between cover board and the Sea Chest.
A kind of method of the airtight experiment of Sea Chest, includes the following steps: outward to unscrew nut, makes bottom plate and cover board
Gap is greater than the outside plate plate thickness of Sea Chest；Bottom plate is put on the inside of Sea Chest, cover board is arranged on the outside of Sea Chest, then to seabed
Door interior direction tightens nut, is bonded bottom plate, cover board with seabed external door panel respectively；It is filled by charger to Sea Chest inside
Gas, so that first pressure gauge, second pressure meter reading reach scheduled test pressure；First pressure gauge, second pressure meter reading
It remains unchanged and reaches the predetermined time, then Sea Chest air-tightness is qualified.
Compared with prior art, the invention has the benefit that
1, structure is simple, easy to install and use, greatly reduces seal plate welding and postwelding cuts off polishing workload；
2, entire air seal test process can be realized, safety through the invention without being inflated, deflating through other pipelines
Reliably, achieve the purpose that quickly to examine seabed door and the close property of pipeline.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of bottom plate of the invention.
Fig. 3 is the structural schematic diagram of cover board of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
As shown in Figure 1-3, the present embodiment provides a kind of tooling for Sea Chest air seal test, which includes: bottom plate
1, bottom plate 1 is used to be arranged in the inside of Sea Chest, and bottom plate 1 can cover Sea Chest from inside, be fixedly connected with court on bottom plate 1
Several threaded posts 2 outward are connected with nut 3 in threaded post 2, the first short tube 4, the second short tube 5 are provided on bottom plate 1, and
One short tube 4, the second short tube 5 are distributed in the both ends of bottom plate 1, the first short tube 4, the second short tube 5 both ends connection Sea Chest inside
Space and outer space；Cover board 6, cover board 6 are used to be arranged in the outside of Sea Chest, and cover board 6 can live Sea Chest from outer side covering,
The pore structure 611 passed through for threaded post 2 is provided on cover board 6, the outside of pore structure 611, the outer diameter of nut 3 is arranged in nut 3
Greater than the internal diameter of pore structure 611；First valve 7, the first end of the first valve 7 are connected to the first short tube 4, and the of the first valve 7
Two ends are connected to external charger；First pressure gauge 8, first pressure gauge 8 are connected to the third end of the first valve 7；And
Second pressure gauge 9, second pressure gauge 9 are connected to the second short tube 5.
Second pressure gauge 9 is connected to one end of the second valve 10, and the other end of the second valve 10 is connected to the second short tube 5.
Threaded post 2 is M16 bolt.
Second valve 10 is ball valve.Ball valve is through-type ordinary ball valve.
First valve 7 is triple valve.
The outside of cover board 6 includes several connecting plates 61, is laid with pore structure 611 on connecting plate 61.
The quantity of connecting plate 61 is 3, and connecting plate 61 is evenly distributed on cover board 6, is uniformly distributed on each connecting plate 61
Two pore structures 611.
Connecting plate 61 is H profile steel, web thickness 6mm, edge of a wing thickness 8mm.
Bottom plate 1 is A grades of ordinary steels or common carbon steel plate, bottom plate 1 with a thickness of 4mm, bottom plate 1 having a size of 800*800mm,
The 1 surrounding fillet of falling 50mm of bottom plate；Cover board 6 is A grades of ordinary steels or common carbon steel plate, cover board 6 with a thickness of 4mm, cover board 6 having a size of
1000*1000mm is equipped with the aperture 62 of 700*700mm among cover board 6.
Gasket is folded between nut 3 and pore structure 611；First short tube 4, the second short tube 5 length be 300mm, and
Inner wall even distribution is equipped with screw thread；First pressure gauge 8, second pressure gauge 9 range be 0-2MPa, minimum unit is
0.02MPa, accuracy class are not less than 1.5；Be provided with the first sealing ring between bottom plate 1 and Sea Chest, cover board 6 and Sea Chest it
Between be provided with the second sealing ring.
The present embodiment also provides a kind of method of airtight experiment of Sea Chest, includes the following steps: outward to twist nut 3
It opens, the gap of bottom plate 1 and cover board 6 is made to be greater than the outside plate plate thickness of Sea Chest；Bottom plate 1 is put on the inside of Sea Chest, the setting of cover board 6 exists
On the outside of Sea Chest, nut 3 then is tightened to Sea Chest interior direction, is bonded bottom plate 1, cover board 6 with seabed external door panel respectively；It is logical
Gas overcharging equipment is to inflation on the inside of Sea Chest, so that first pressure gauge 8, second pressure gauge 9 reading reach scheduled test pressure；
First pressure gauge 8, the reading of second pressure gauge 9 remain unchanged and reach the predetermined time, then Sea Chest air-tightness is qualified.Into Sea Chest
Side direction tightens nut 3, is bonded bottom plate 1, cover board 6 with seabed external door panel respectively, judges the standard of fitting for bottom plate, cover board
The gapless between the external door panel of seabed needs to add the first sealing ring, the second sealing ring if cannot achieve to reach to sea
The seal request of bottom door.When inflation, triple valve side is greater than test pressure, the conduct of ball valve side as inflating port, the blowing pressure
Gas outlet.In airtight implementation process, examine all construction joints of Sea Chest and tube passing through cabin part weld seam with the presence or absence of leakage.It is predetermined
Time is half an hour.After inflation, close first valve and the second valve so that between corresponding pressure gauge and air pressure by every
It is disconnected, see whether pressure gauge is zeroed, to judge whether pressure gauge works normally.
Although above-described embodiment makes specific descriptions to the present invention, come for those of ordinary skill in the art
It says, it is understood that can be modified within spirit and scope of the invention based on present disclosure not departing from
Or improve, these modification and improvement are all within spirit and scope of the invention.
Claims (10)
1. a kind of tooling for Sea Chest air seal test, which is characterized in that the tooling includes:
Bottom plate (1), the bottom plate (1) are used to be arranged in the inside of the Sea Chest, and the bottom plate (1) can cover from inside
The Sea Chest is fixedly connected with several threaded posts (2) towards outside on the bottom plate (1), connects on the threaded post (2)
Have nut (3), the first short tube (4), the second short tube (5), first short tube (4), the second short tube are provided on the bottom plate (1)
(5) be distributed in the both ends of the bottom plate (1), first short tube (4), the second short tube (5) both ends be connected to the Sea Chest
Inner space and outer space；
Cover board (6), the cover board (6) are used to be arranged in the outside of the Sea Chest, and the cover board (6) can live from outer side covering
The Sea Chest, the pore structure (611) passed through for the threaded post (2) is provided on the cover board (6), and the nut (3) sets
The outside in the pore structure (611) is set, the outer diameter of the nut (3) is greater than the internal diameter of the pore structure (611)；
First valve (7), the first end of first valve (7) are connected to first short tube (4), first valve (7)
Second end be connected to external charger；
First pressure gauge (8), the first pressure gauge (8) are connected to the third end of first valve (7)；And
Second pressure gauge (9), the second pressure gauge (9) are connected to second short tube (5).
2. the tooling according to claim 1 for Sea Chest air seal test, which is characterized in that the second pressure gauge
(9) it is connected to one end of the second valve (10), the other end of second valve (10) is connected to second short tube (5).
3. the tooling according to claim 2 for Sea Chest air seal test, which is characterized in that second valve (10)
For ball valve.
4. the tooling according to claim 1 for Sea Chest air seal test, which is characterized in that first valve (7)
For triple valve.
5. the tooling according to claim 1 for Sea Chest air seal test, which is characterized in that outside the cover board (6)
Portion includes several connecting plates (61), is laid with the pore structure (611) on the connecting plate (61).
6. the tooling according to claim 5 for Sea Chest air seal test, which is characterized in that the connecting plate (61)
Quantity is 3, and the connecting plate (61) is evenly distributed on the cover board (6), is uniformly distributed on each connecting plate (61)
Two pore structures (611).
7. the tooling according to claim 6 for Sea Chest air seal test, which is characterized in that the connecting plate (61) is
H profile steel, web thickness 6mm, edge of a wing thickness 8mm.
8. the tooling according to claim 1 for Sea Chest air seal test, which is characterized in that the bottom plate (1) is general
Logical carbon steel sheet, the bottom plate (1) are fallen with a thickness of 4mm, the bottom plate (1) having a size of 800*800mm, bottom plate (1) surrounding
50mm fillet；The cover board (6) is common carbon steel plate, and the cover board (6) is with a thickness of 4mm, and the cover board (6) is having a size of 1000*
1000mm, the intermediate aperture (62) for being equipped with 700*700mm of the cover board (6).
9. the tooling according to claim 1 for Sea Chest air seal test, which is characterized in that the nut (3) and institute
It states and is folded with gasket between pore structure (611)；First short tube (4), the second short tube (5) length be 300mm, and inner wall
It is laid with screw thread；The first pressure gauge (8), second pressure gauge (9) range be 0-2MPa, minimum unit is
0.02MPa, accuracy class are not less than 1.5；The first sealing ring is provided between the bottom plate (1) and the Sea Chest, it is described
The second sealing ring is provided between cover board (6) and the Sea Chest.
10. a kind of method of the airtight experiment of Sea Chest, which comprises the steps of:
Nut (3) is unscrewed outward, the gap of bottom plate (1) and cover board (6) is made to be greater than the outside plate plate thickness of Sea Chest；
Bottom plate (1) is put on the inside of Sea Chest, cover board (6) is arranged on the outside of Sea Chest, then tightens to Sea Chest interior direction
Nut (3) is bonded bottom plate (1), cover board (6) with seabed external door panel respectively；
By charger to inflation on the inside of Sea Chest, so that first pressure gauge (8), second pressure gauge (9) reading reach predetermined
Test pressure；
First pressure gauge (8), second pressure gauge (9) reading remain unchanged and reach the predetermined time, then Sea Chest air-tightness is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321750.1A CN110108417A (en) | 2019-04-22 | 2019-04-22 | A kind of tooling for Sea Chest air seal test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321750.1A CN110108417A (en) | 2019-04-22 | 2019-04-22 | A kind of tooling for Sea Chest air seal test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110108417A true CN110108417A (en) | 2019-08-09 |
Family
ID=67486094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910321750.1A Pending CN110108417A (en) | 2019-04-22 | 2019-04-22 | A kind of tooling for Sea Chest air seal test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110108417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924160A (en) * | 2021-01-29 | 2021-06-08 | 广船国际有限公司 | Subsea door airtightness test tool, subsea door sealing method and ship airtightness test method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104471189A (en) * | 2012-07-17 | 2015-03-25 | 阿克海底公司 | Subsea leak-detection system |
| CN108225690A (en) * | 2017-12-19 | 2018-06-29 | 沪东中华造船(集团)有限公司 | A kind of auxiliary device and its application method for suction box air seal test |
-
2019
- 2019-04-22 CN CN201910321750.1A patent/CN110108417A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104471189A (en) * | 2012-07-17 | 2015-03-25 | 阿克海底公司 | Subsea leak-detection system |
| CN108225690A (en) * | 2017-12-19 | 2018-06-29 | 沪东中华造船(集团)有限公司 | A kind of auxiliary device and its application method for suction box air seal test |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924160A (en) * | 2021-01-29 | 2021-06-08 | 广船国际有限公司 | Subsea door airtightness test tool, subsea door sealing method and ship airtightness test method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190809 |