CN112611520A - Ship structure air tightness detection device and detection method - Google Patents
Ship structure air tightness detection device and detection method Download PDFInfo
- Publication number
- CN112611520A CN112611520A CN202011375987.7A CN202011375987A CN112611520A CN 112611520 A CN112611520 A CN 112611520A CN 202011375987 A CN202011375987 A CN 202011375987A CN 112611520 A CN112611520 A CN 112611520A
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- Prior art keywords
- panel
- ship
- air tightness
- tightness detection
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to a ship structure air tightness detection device which structurally comprises a panel, a shell and a sealing ring, wherein the panel is in a transparent equilateral triangle shape, the shell is in a hollow triangular platform structure, the upper end and the lower end of the shell are provided with openings, the opening at the upper end of the shell is larger than the opening at the lower end of the shell, the panel covers the opening at the upper end of the shell, the sealing ring is arranged along the opening at the lower end of the shell in a circle, and two mounting holes are formed in the panel. The ship structure air tightness detection device provided by the invention can be suitable for air tightness detection at a plane, an intersection position of two planes and an intersection position of three planes, is wider in application range, convenient to carry, suitable for air tightness detection of most structural forms on ships, and convenient and quick to use.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a device and a method for detecting air tightness of a ship structure.
Background
In ship construction, the airtightness test is widely applied, and in order to detect the airtightness of a ship body liquid tank and an isolation empty tank and the welding quality of structural strength of the ship body liquid tank, the defects of watertight bulkhead, ballast tank, sea bottom door and the like with tank penetrating sectional materials and areas with airtightness requirements such as an outer plate, a partition plate, a deck and the like can be reduced or even eliminated through detection, so that the repair workload during cabin airtightness is greatly reduced, and manpower and material resources are greatly saved.
The existing air tightness detection devices are dozens of types, the carrying and storage are inconvenient, and the related detection devices are required to be frequently replaced at different positions of the same section according to different line types, so that a large amount of manpower and material resources are wasted.
The patent with the application number of 201410541215.4 discloses a full-angle vacuum inspection device in the prior art, which comprises an equilateral triangle panel and a pneumatic vacuum pump, wherein the equilateral triangle panel is provided with a through air hole and a through test hole, the air hole is connected with the pneumatic vacuum pump, the test hole is connected with a vacuum meter, the vacuum meter and the pneumatic vacuum pump are positioned on the outer side surface of the equilateral triangle panel, and the outer side surface of the equilateral triangle panel is also provided with a handle. The full-angle vacuum detection device can be used for fillet weld vacuum tests at the intersection positions of a plane or three surfaces, but fillet welds at the intersection positions of the two surfaces cannot be detected through the full-angle vacuum detection device.
Disclosure of Invention
In order to solve the technical problems and improve the universality of an air tightness detection tool, the invention provides a device and a method for detecting the air tightness of a ship mechanism, and the technical purpose of the invention is realized by the following technical scheme:
the utility model provides a boats and ships structure gas tightness detection device, its structure includes panel, casing, sealing washer, and the panel is transparent equilateral triangle, and the casing is hollow triangular platform structure, the upper and lower both ends opening of casing, and the opening of casing upper end is greater than the opening of casing lower extreme, and the panel covers on the upper end opening of casing, and the sealing washer sets up along the opening round of casing lower extreme, installs two mounting holes on the panel.
Further, the sealing ring is a triangular elastic sealing ring.
Further, the panel is plexiglass.
A method for detecting the airtightness of a ship structure, wherein the method is used for detecting the airtightness at the position where two sides intersect, and the method is used for detecting the airtightness of the ship by two ship airtightness detection devices, wherein the method comprises the following steps:
s1, selecting two ship air tightness detection devices, installing a pressure gauge and a compressed air pump on a panel of one ship air tightness detection device, and plugging two installation holes on a panel of the other ship air tightness detection device;
s2, spraying soapy water at the position to be detected;
s3, the two ship air tightness detection devices in the S1 are closed together at the position to be detected, one side of a sealing ring of one ship air tightness detection device and one side of a sealing ring of the other ship air tightness detection device are guaranteed to be closed and then attached together, the two ship air tightness detection devices are pressed, the other two sides of the sealing rings of the two ship air tightness detection devices are respectively attached to two intersected surfaces, and a closed space is formed between the two ship air tightness detection devices and the two intersected surfaces;
and S4, starting the compressed air pump, observing the pressure in the sealed space read by the pressure gauge, observing whether foam is generated in the sealed space through the panel, and if no foam is generated, the air tightness of the position to be detected meets the requirement.
Further, in S1, a pressure gauge is installed on one of the installation holes on the panel, a three-way pipe is installed on the other installation hole on the panel, a first end of the three-way pipe is connected to the installation hole, a second end of the three-way pipe is connected to a compressed air pump, and a third end of the three-way pipe is communicated with air.
Compared with the prior art, the invention has the beneficial effects that:
1. the ship structure air tightness detection device can be suitable for air tightness detection at a plane, an intersection position of two planes and an intersection position of three planes, is wider in application range, convenient to carry, suitable for air tightness detection of most structural forms on ships, and convenient and quick to use;
2. the ship air tightness detection method can realize air tightness detection at the intersection position of two surfaces, avoids specially designing an air tightness detection device with a corresponding structure form, ensures air tightness and ensures shipbuilding quality.
Drawings
Fig. 1 is a schematic structural view of the ship structure airtightness detection device of the present invention.
Fig. 2 shows a first usage state of the ship structure airtightness detection apparatus according to the present invention.
Fig. 3 shows a second use state of the ship structure airtightness detection apparatus according to the present invention.
Fig. 4 shows a third state of use of the ship structure airtightness detection apparatus according to the present invention.
In the figure, 1, panel; 2. a housing; 3. a seal ring; 4. a pressure gauge; 5. a three-way pipe; 6. a compressed air pump; 7. and (7) installing holes.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
the utility model provides a boats and ships structure gas tightness detection device, as shown in figure 1, its structure includes panel 1, casing 2, sealing washer 3, and panel 1 is transparent equilateral triangle, and organic glass is chooseed for use to the panel in this embodiment, and organic glass is also chooseed for use to the casing. Casing 2 is hollow triangular platform structure, and the outside forms the inclined plane, increases the inner space on the one hand, and two ship structure gas tightness detection device cooperations of being convenient for on the other hand use, casing 2's upper and lower both ends opening, and the opening of casing 2 upper end is greater than the opening of casing 2 lower extreme, and panel 1 covers on the upper end opening of casing 2, and sealing washer 3 sets up along the opening round of casing 2 lower extreme, installs sealing washer 3 at casing 2 lower extreme through the mode that bonds. Sealing washer 3 is equilateral triangle elastic sealing washer, receives can take place elastic deformation after the external force, and the gas tightness is good when guaranteeing the laminating, and the sealing washer adopts rubber materials in this embodiment, installs two mounting holes 7 on the panel 1.
When in use, the method comprises the steps of using a plane, intersecting three surfaces and intersecting two surfaces, and the intersecting position of the two surfaces is taken as an example for explanation, as shown in fig. 2, the method comprises the following steps:
s1, selecting two ship air tightness detection devices, installing a pressure gauge 4 and a compressed air pump 6 on a panel of one ship air tightness detection device, installing the pressure gauge 4 on one installation hole 7 on the panel, installing a three-way pipe 5 on the other installation hole 7 on the panel 1, connecting a first end of the three-way pipe 5 with the installation hole 7, connecting a second end of the three-way pipe 5 with the compressed air pump 6, and communicating the third end of the three-way pipe 5 with air; plugging two mounting holes 7 on a panel of the other ship air tightness detection device;
s2, spraying soapy water at the position to be detected;
s3, the two ship air tightness detection devices in the S1 are closed together at the position to be detected, one side of a sealing ring of one ship air tightness detection device and one side of a sealing ring of the other ship air tightness detection device are guaranteed to be closed and then attached together, the two ship air tightness detection devices are pressed, the other two sides of the sealing rings of the two ship air tightness detection devices are respectively attached to two intersected surfaces, and a closed space is formed between the two ship air tightness detection devices and the two intersected surfaces;
and S4, starting the compressed air pump, observing the pressure in the sealed space read by the pressure gauge, observing whether foam is generated in the sealed space through the panel, and if no foam is generated, the air tightness of the position to be detected meets the requirement.
The ship airtightness detection device is characterized in that a ship structure airtightness detection device is used at the intersection position of three surfaces, a pressure gauge 4 and a compressed air pump 6 are installed on a panel 1, three sides of a sealing ring of the ship airtightness detection device are attached to the three intersection surfaces respectively, the ship airtightness detection device is pressed to ensure that no gap exists between the sealing ring and the three intersection surfaces at the attachment positions, the compressed air pump is started, the pressure gauge is observed to read the pressure in the closed space, whether foam is generated in the closed space is observed through the panel, and the airtightness of the position to be detected meets the requirement if no foam is generated.
In the plane position, as shown in fig. 4, a ship structure air tightness detection device is used, a pressure gauge 4 and a compressed air pump 6 are installed on a panel 1, the bottom of a sealing ring 3 of the ship air tightness detection device is attached to the plane position, the ship air tightness detection device is pressed to ensure that the sealing ring and the plane are closely attached, the compressed air pump 6 is started, the pressure gauge is observed to read the pressure in the closed space, whether foam is generated in the closed space is observed through the panel, and the air tightness of the position to be detected meets the requirement if no foam is generated.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (5)
1. The utility model provides a boats and ships structure gas tightness detection device, its characterized in that, its structure includes panel, casing, sealing washer, the panel is transparent equilateral triangle, the casing is hollow triangular platform structure, the upper and lower both ends opening of casing, and the opening of casing upper end is greater than the opening of casing lower extreme, the panel covers on the upper end opening of casing, the sealing washer sets up along the opening round of casing lower extreme, install two mounting holes on the panel.
2. The device for detecting the airtightness of the ship structure according to claim 1, wherein the sealing ring is a triangular elastic sealing ring.
3. The device for detecting the airtightness of the ship structure according to claim 1, wherein the panel is made of organic glass.
4. A method for detecting the airtightness of a ship structure at the intersection position of two sides, which is characterized in that the method is provided with the ship airtightness detection device of any one of the two claims 1, 2 or 3, and comprises the following steps:
s1, selecting two ship air tightness detection devices, installing a pressure gauge and a compressed air pump on a panel of one ship air tightness detection device, and plugging two installation holes on a panel of the other ship air tightness detection device;
s2, spraying soapy water at the position to be detected;
s3, the two ship air tightness detection devices in the S1 are closed together at the position to be detected, one side of a sealing ring of one ship air tightness detection device and one side of a sealing ring of the other ship air tightness detection device are guaranteed to be closed and then attached together, the two ship air tightness detection devices are pressed, the other two sides of the sealing rings of the two ship air tightness detection devices are respectively attached to two intersected surfaces, and a closed space is formed between the two ship air tightness detection devices and the two intersected surfaces;
and S4, starting the compressed air pump, observing the pressure in the sealed space read by the pressure gauge, observing whether foam is generated in the sealed space through the panel, and if no foam is generated, the air tightness of the position to be detected meets the requirement.
5. The method of claim 4, wherein in step S1, a pressure gauge is installed on one of the installation holes of the panel, a tee is installed on the other installation hole of the panel, a first end of the tee is connected to the installation hole, a second end of the tee is connected to a compressed air pump, and a third end of the tee is connected to air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011375987.7A CN112611520A (en) | 2020-12-01 | 2020-12-01 | Ship structure air tightness detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011375987.7A CN112611520A (en) | 2020-12-01 | 2020-12-01 | Ship structure air tightness detection device and detection method |
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| Publication Number | Publication Date |
|---|---|
| CN112611520A true CN112611520A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011375987.7A Pending CN112611520A (en) | 2020-12-01 | 2020-12-01 | Ship structure air tightness detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414160A (en) * | 2021-11-29 | 2022-04-29 | 上海江南长兴造船有限责任公司 | Method for detecting pre-tightness of dead space of ship |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202057461U (en) * | 2011-04-08 | 2011-11-30 | 上海江南长兴造船有限责任公司 | Vacuum device for fillet weld sealing property detection in ship construction |
| CN204085810U (en) * | 2014-07-10 | 2015-01-07 | 上海江南长兴造船有限责任公司 | A kind of vacuum plant detected for fillet weld sealing property in shipbuilding |
| CN104316274A (en) * | 2014-10-14 | 2015-01-28 | 江苏扬子鑫福造船有限公司 | Full-angle vacuum verifying device |
-
2020
- 2020-12-01 CN CN202011375987.7A patent/CN112611520A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202057461U (en) * | 2011-04-08 | 2011-11-30 | 上海江南长兴造船有限责任公司 | Vacuum device for fillet weld sealing property detection in ship construction |
| CN204085810U (en) * | 2014-07-10 | 2015-01-07 | 上海江南长兴造船有限责任公司 | A kind of vacuum plant detected for fillet weld sealing property in shipbuilding |
| CN104316274A (en) * | 2014-10-14 | 2015-01-28 | 江苏扬子鑫福造船有限公司 | Full-angle vacuum verifying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414160A (en) * | 2021-11-29 | 2022-04-29 | 上海江南长兴造船有限责任公司 | Method for detecting pre-tightness of dead space of ship |
| CN114414160B (en) * | 2021-11-29 | 2024-10-18 | 上海江南长兴造船有限责任公司 | Method for detecting confidentiality of ship dead space |
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Application publication date: 20210406 |