CN109297647A - A kind of close property detection vacuum plant for 45° angle weld seam at LNG ship CM node - Google Patents
A kind of close property detection vacuum plant for 45° angle weld seam at LNG ship CM node Download PDFInfo
- Publication number
- CN109297647A CN109297647A CN201811291220.9A CN201811291220A CN109297647A CN 109297647 A CN109297647 A CN 109297647A CN 201811291220 A CN201811291220 A CN 201811291220A CN 109297647 A CN109297647 A CN 109297647A
- Authority
- CN
- China
- Prior art keywords
- sealing plate
- plate
- panel
- flanging
- weld seam
- Prior art date
- 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.)
- Pending
Links
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
- G01M3/14—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 for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/145—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 for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for welds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to a kind of close property for 45° angle weld seam at LNG ship CM node to detect vacuum plant, it include panel on the close property detection vacuum apparatus designs, coaming plate, sealing plate and cellular rubber, the panel is flanging panel (1), one long edge position is right angle flange, another long edge position is 135 ° of flangings, the first sealing plate (2) are fixed in right angle flange, the second sealing plate (3) are fixed outside 135 ° of flangings, coaming plate (5) are equipped in two short sides of flanging panel (1), third sealing plate (6) and the 4th sealing plate (7) are equipped with perpendicular to coaming plate (5), cellular rubber (9) is equipped on sealing plate to form sealing cavity, two connectors (10) and handle (11) are additionally provided on flanging panel (1).The device of the invention can overcome the undetectable difficulty of conventional vacuum cover herein, improve LNG ship cargo tank efficiency of construction.
Description
Technical field
The present invention relates to shipbuildings, especially relate to a kind of for 45° angle weld joint close at CM node in LNG ship construction
Property detection vacuum plant.
Background technique
In LNG ship oceangoing ship building course, there is CM node identical compared with multi-angle in liquid freight house, after the completion of sectional construction, need
Close property detection is carried out to fillet weld at node, since structure type is more special at CM node, platform board is formed with oblique other plate
Fillet weld be 45 °, and form fillet weld and only have 15mm apart from platform board end, since liquid freight house installation maintenance system is time-consuming
It is longer, therefore tightness of welding lines testing requirements are completed in segmentation, block stage, and be suitble to detect the side of this tightness of welding lines in this stage
Method only vacuumizes test.
According to experimental rig is vacuumized commonly used by current technology, it can only generally meet two for being formed by fillet weld
Structural plane threshold value weld seam has the detection of the weld seam of biggish distance, at LNG ship herein CM node, due to weld pitch
Too close from platform end, Ordinary vacuum cover can not detect 45 ° of tightness of welding lines at this.
Summary of the invention
It is an object of the invention to overcome above-mentioned the shortcomings of the prior art, a kind of ship of new structure type is provided
Tightness of welding lines detection device.The vacuum plant of fillet weld sealing property detection of the present invention can overcome herein often during being used in tightness test
The undetectable difficulty of vacuum (-tight) housing is advised, LNG ship cargo tank efficiency of construction is improved.
In order to achieve the above object of the invention, technical solution provided by the invention is as follows:
A kind of close property for 45° angle weld seam at LNG ship CM node detects vacuum plant, at the CM node 45° angle weld seam by
Platform plate end face and oblique other plate face contact position weld to be formed, the contact position inside angle of the platform plate end face and tiltedly other plate face
It is 135 °, the edge of the oblique other plate face is welded on the platform plate end face medial surface close to marginal position to form one 45 °
Angle seam, which is characterized in that described including panel, coaming plate, sealing plate and cellular rubber on the close property detection vacuum apparatus designs
Panel is the flanging panel that one piece of rectangle has flanging, and a long edge position of rectangular panel is right angle flange, one long
It is 135 ° of flangings at side, is fixed with identical first sealing plate of a block length in the right angle flange end vertical, is rolled at 135 °
It is closely fixed with identical second sealing plate of a block length on the outside of side, it is each vertical in two short side edges of the flanging panel
The coaming plate of short side is parallel to equipped with one piece, which is equipped with 135 ° of dog-ears at 135 ° of flangings of flanging panel, perpendicular to
The coaming plate is equipped with third sealing plate and the 4th sealing plate, the third sealing plate and the 4th sealing plate edge be connected and
135 ° of angles are formed, on 135 ° of flangings for being connected to the flanging panel of the third sealing plate, second sealing
Plate stretches out in 135 ° of flangings, on first sealing plate, the second sealing plate, third sealing plate and the 4th sealing plate
Equipped with cellular rubber to form sealing cavity, two connectors and two handles are additionally provided on the flanging panel.
In close property detection vacuum plant of the present invention for 45° angle weld seam at LNG ship CM node, in the flanging panel
Right angle flange and the first sealing Board position at be equipped with the first stiffening plate, which is set on the outside of right angle flange with first
The right angle angle of sealing plate；Be equipped with one piece of second stiffening plate on the outside of two blocks of coaming plates, second stiffening plate it is outer
Side is vertically connected on the third sealing plate and third sealing plate.
In close property detection vacuum plant of the present invention for 45° angle weld seam at LNG ship CM node, the coaming plate is to have
Lead between the plate in irregular shape that machine glass is made into, the coaming plate and flanging panel, third sealing plate and the 4th sealing plate
The mode for crossing glue bonding connects.
In close property detection vacuum plant of the present invention for 45° angle weld seam at LNG ship CM node, first sealing
Plate, the second sealing plate, third sealing plate and the 4th sealing plate are material of rectangular channel made of organic glass, and described first is close
Sealing plate, the second sealing plate, third sealing plate and the 4th sealing plate between corresponding cellular rubber glue bond by way of
Connection.
In close property detection vacuum plant of the present invention for 45° angle weld seam at LNG ship CM node, at the second sealing plate
Cellular rubber cross section is rectangle with nick shaped, and the long side of notch is 20mm, short side 10mm.
In close property detection vacuum plant of the present invention for 45° angle weld seam at LNG ship CM node, third sealing plate, the
Cellular rubber at four sealing plates is at third sealing plate along panel flanging direction than high 20mm at the 4th sealing plate.
In close property detection vacuum plant of the present invention for 45° angle weld seam at LNG ship CM node, described connects first
Pressure gauge is connected, another connection snorkel, two connectors are connected to the upper and lower surfaces of flanging panel.
In close property detection vacuum plant of the present invention for 45° angle weld seam at LNG ship CM node, during the connector is
Between the screwed round copper billet of aperture and upper end, connector is equipped with rubber washer and four fixed screws, the centre on connector
Aperture is aligned with the mating through-hole that flanging panel excavates, and is connected and sealed by rubber washer and fixed screw.
In close property detection vacuum plant of the present invention for 45° angle weld seam at LNG ship CM node, two handles are arranged in
Close to the position at middle part on flanging panel, connector described in two is distributed in the two sides of handle.
Based on the above-mentioned technical proposal, it is of the invention for the vacuum plant of fillet weld sealing property detection in shipbuilding with it is existing
Vacuum plant in technology, which is compared, has following technological merit:
Vacuum checking device of the invention belongs to a dedicated technological equipment, is used to detect the weldering of LNG ship CM node 45° angle
Seam, the manually sealing detection at 45° angle position may be implemented, in addition to structure it is simple, it is convenient and practical other than, additionally it is possible to improve
Detection efficiency, and then improve the efficiency of shipbuilding.
Detailed description of the invention
Fig. 1 is vertical view of the present invention for the vacuum plant of 45° angle tightness of welding lines detection at CM node in LNG ship construction
Structural schematic diagram.
Fig. 2 is the vacuum plant side view structure signal of 45° angle tightness of welding lines detection at CM node during LNG ship of the present invention is built
Figure.
Fig. 3 is the broken section of the vacuum plant of 45° angle tightness of welding lines detection at CM node during LNG ship of the present invention is built
Scheme, i.e. A-A direction view in Fig. 1.
Fig. 4 is that the vacuum plant of 45° angle tightness of welding lines detection at CM node during LNG ship of the present invention is built uses schematic diagram.
Specific embodiment
45° angle tightness of welding lines at CM node in coming to build LNG ship of the present invention with specific embodiment with reference to the accompanying drawing
The vacuum plant of detection further describes in detail, in the hope of providing a clearer understanding of its structure type and usage mode,
But it is not intended to limit the protection scope of the present invention.
The present invention applies in LNG ship at CM node as a dedicated constructing device, 45 ° at the CM node
Fillet weld is welded by platform plate end face and tiltedly side plate face contact position and is formed, the platform plate end face and the tiltedly contact position of other plate face
Inside angle is 135 °, and the edge of the oblique other plate face is welded on the platform plate end face medial surface close to marginal position to be formed
One 45° angle seam, in weld seam, there are the steps of a 10mm wide with platform board end face edge.
It as shown in Figure 1, Figure 2 and Figure 3, include panel, coaming plate, sealing plate on close property of the invention detection vacuum apparatus designs
And cellular rubber, the panel are the flanging panel 1 that one piece of rectangle has flanging, a long edge position of rectangular panel
For right angle flange, a long edge position is 135 ° of flangings, is fixed with a block length identical the in the right angle flange end vertical
One sealing plate 2 is closely fixed with identical second sealing plate (3) of a block length, in the flanging face on the outside of 135 ° of flangings
Two short side edges of plate 1 it is each it is vertical be equipped with one block of coaming plate for being parallel to short side (5,135 ° foldings of the coaming plate 5 in flanging panel 1
It is equipped with 135 ° of dog-ears at side, is equipped with third sealing plate 6 and the 4th sealing plate 7, the third perpendicular to the coaming plate 5
Sealing plate 6 is connected with 7 edge of the 4th sealing plate and forms 135 ° of angles, and being connected to for the third sealing plate 6 is described
On 135 ° of flangings of flanging panel 6, second sealing plate 3 stretches out in 135 ° of flangings, first sealing plate 2,
Cellular rubber 9 is equipped on second sealing plate 3, third sealing plate 6 and the 4th sealing plate 7 to form sealing cavity, in the folding
Two connectors 10 and two handles 11 are additionally provided on side panel 1.
Refinement structure design as the present invention for the close property detection vacuum plant of 45° angle weld seam at LNG ship CM node,
The first stiffening plate 4 is equipped at the right angle flange of the flanging panel 1 and 2 position of the first sealing plate, which is set to
On the outside of the right angle flange and right angle angle of the first sealing plate 2；One piece of second reinforcement is equipped in the outside of two blocks of coaming plates 5
Plate 8, the outer side edges of second stiffening plate 8 are vertically connected on the third sealing plate 6 and third sealing plate 7.
Above-mentioned coaming plate 5 is the plate in irregular shape that is made into of organic glass, and here in irregular shape refers to the coaming plate 5
Region is gone along with sb. to guard him positioned at flanging panel 1 and third sealing plate 6 and the 4th sealing plate 7, with its shape just as close to ensure to realize
Fitting and sealing.Pass through what glue bonded between the coaming plate 5 and flanging panel 1, third sealing plate 6 and the 4th sealing plate 7
Mode connects.First sealing plate 2, the second sealing plate 3, third sealing plate 6 and the 4th sealing plate 7 is organic glass system
At material of rectangular channel, first sealing plate 2, the second sealing plate 3, third sealing plate 6 and the 4th sealing plate 7 with it is corresponding
It is connected in such a way that glue bonds between cellular rubber 9, guarantees watertight requirement at interconnection.
It is directed to, the cellular rubber cross section at the second sealing plate 3 is rectangle with nick shaped, and the long side of notch is
20mm, short side 10mm.The short side corresponds to the 10mm pace in weld seam and platform board end face edge.In addition, third seals
Cellular rubber at plate 6, the 4th sealing plate 7 is higher than at the 4th sealing plate 7 along panel flanging direction at third sealing plate 6
20mm。
Since vacuum plant of the invention belongs to a seal closure design, need to form one in the lower surface of flanging panel 1
A cavity, cavity here are to be realized by flanging panel 1 with coaming plate 5 and sealing plate and its cellular rubber pasted
, specifically tiltedly other plate face is bonded with Ship Structure for cellular rubber 91,92, lower edge, the indentation, there and hull of sponge rubber 93
The fitting of structure platform plate end face, since platform board only has 15mm apart from weld seam, and herein, weld seam is full penetration, and leg is relatively
Greatly, the circular arc that turns of cellular rubber 91 is bonded with 45 ° of commissure legs by compression, to guarantee between vacuum plant and structure
Form closed cavity.
If sealing device of the invention will realize vacuumizing, need to connect air pump, thus needs cavity and the external world
The connector of contact and the device for checking space pressure variation in the vacuum lacuna just need to design on flanging panel 1 here
Two connectors out, one of connector 10 connect pressure gauge, another connection snorkel, the snorkel connects air pump, two connectors
10 are connected to the upper and lower surfaces of flanging panel 1, to carry out vacuum pumping and Pressure monitoring.Specifically designing
In, the connector 10 is the screwed round copper billet of intermediate aperture and upper end.For the ease of being connect with panel 1, connector 10
On set there are four fixed screw, and devise rubber washer in connecting portion, it is corresponding with the intermediate aperture on connector 10, rolling over
The mating through-hole excavated on side panel 1, by the mating through-hole in the intermediate aperture and panel on alignment connector 10, and by solid
Determine screw and the two is connected and sealed rubber washer.
In order to which retractable operation is convenient when constructor holds sealing device work in practicing, in the upper surface of flanging panel 1
On be additionally provided with two handles 11, which is specifically to be located at the top of flanging panel 1 to be arranged symmetrically along its length, above-mentioned two
A handle 11 is arranged in the position on flanging panel 1 close to middle part, and connector 10 described in two is distributed in the two sides of handle 11.
In the construction of LNG ship oceangoing ship, as shown in figure 4, the present invention is for 45° angle tightness of welding lines at CM node in LNG ship construction
The vacuum plant use process of detection including the following steps:
The first step, close property examine when, after vacuum plant is ready to, to CM node at 45° angle weld seam spray liquid soap, by vacuum
Device covers weld seam, passes through fine position itself and compresses cellular rubber, forms sealing space.
Second step adjusts breather valve, when pressure gauge reaches defined pressure value, passes through torch for illumination, directly detection weldering
It is sewed with bubble-free to emerge, reaches tightness of welding lines testing goal.
Third step closes intake valve after detection.
4th step repeats above three step after to be repaired if detection weld seam is defective, if weld seam is intact,
Detection terminates.
The present invention can effectively detect CM node 45° angle weld seam, fundamentally solve general in LNG ship oceangoing ship building course
The logical insurmountable problem of vacuum (-tight) housing, effectively raises the construction progress of ship.
Claims (9)
1. a kind of close property for 45° angle weld seam at LNG ship CM node detects vacuum plant, 45° angle weld seam at the CM node
It is welded and is formed by platform plate end face and tiltedly side plate face contact position, pressed from both sides on the inside of the platform plate end face and the tiltedly contact position of other plate face
Angle is 135 °, and the edge of the oblique other plate face is welded on the platform plate end face medial surface close to marginal position to form one
45° angle seam, which is characterized in that include panel, coaming plate, sealing plate and cellular rubber, institute on the close property detection vacuum apparatus designs
The panel stated is the flanging panel (1) that one piece of rectangle has flanging, and a long edge position of rectangular panel is right angle flange,
One long edge position is 135 ° of flangings, is fixed with identical first sealing plate (2) of a block length in the right angle flange end vertical,
Identical second sealing plate (3) of a block length is closely fixed on the outside of 135 ° of flangings, at two of the flanging panel (1)
Each vertical coaming plate (5) that short side is parallel to equipped with one piece of short side edge, the coaming plate (5) is at 135 ° of flangings of flanging panel (1)
Equipped with 135 ° of dog-ears, third sealing plate (6) and the 4th sealing plate (7) are equipped with perpendicular to the coaming plate (5), described the
Three sealing plates (6) are connected with the 4th sealing plate (7) edge and form 135 ° of angles, the company of the third sealing plate (6)
It connects on 135 ° of flangings of the flanging panel (1), second sealing plate (3) stretches out in 135 ° of flangings, described
Be equipped on first sealing plate (2), the second sealing plate (3), third sealing plate (6) and the 4th sealing plate (7) cellular rubber (9) with
Sealing cavity is formed, two connectors (10) and two handles (11) are additionally provided on the flanging panel (1).
2. a kind of close property for 45° angle weld seam at LNG ship CM node according to claim 1 detects vacuum plant,
It is characterized in that, is equipped with the first stiffening plate (4) at the right angle flange of the flanging panel (1) and the first sealing plate (2) position, it should
First stiffening plate (4) is set to the right angle angle on the outside of right angle flange with the first sealing plate (2)；In two pieces of coaming plates (5)
Outside is equipped with one piece of second stiffening plate (8), and the outer side edges of second stiffening plate (8) are vertically connected on the third sealing plate
(6) and on third sealing plate (7).
3. a kind of close property for 45° angle weld seam at LNG ship CM node according to claim 1 detects vacuum plant,
It is characterized in that, the coaming plate (5) is the plate in irregular shape that organic glass is made into, the coaming plate (5) and flanging panel
(1), it is connected in such a way that glue bonds between third sealing plate (6) and the 4th sealing plate (7).
4. a kind of close property for 45° angle weld seam at LNG ship CM node according to claim 1 detects vacuum plant,
It is characterized in that, first sealing plate (2), the second sealing plate (3), third sealing plate (6) and the 4th sealing plate (7) are to have
Material of rectangular channel made of machine glass, first sealing plate (2), the second sealing plate (3), third sealing plate (6) and the 4th
It is connected in such a way that glue bonds between sealing plate (7) and corresponding cellular rubber (9).
5. a kind of close property for 45° angle weld seam at LNG ship CM node according to claim 1 detects vacuum plant,
It being characterized in that, the cellular rubber cross section at the second sealing plate (3) is rectangle with nick shaped, and the long side of notch is 20mm,
Short side is 10mm.
6. a kind of close property for 45° angle weld seam at LNG ship CM node according to claim 1 detects vacuum plant,
It is characterized in that, the cellular rubber at third sealing plate (6), the 4th sealing plate (7) is at third sealing plate (6) along panel flanging
Direction is than high 20mm at the 4th sealing plate (7).
7. a kind of close property for 45° angle weld seam at LNG ship CM node according to claim 1 detects vacuum plant,
It is characterized in that, described (10) the connection pressure gauges of connector, another connection snorkel, two connectors (10) are connected to flanging
The upper and lower surfaces of panel (1).
8. a kind of close property for 45° angle weld seam at LNG ship CM node according to claim 1 detects vacuum plant,
It is characterized in that, the connector (10) is the screwed round copper billet of intermediate aperture and upper end, and connector (10) is equipped with rubber
Washer and four fixed screws, the intermediate aperture on connector (10) is aligned with the mating through-hole that flanging panel (1) excavates, and is passed through
Rubber washer and fixed screw are connected and sealed.
9. a kind of close property for 45° angle weld seam at LNG ship CM node according to claim 1 detects vacuum plant,
It is characterized in that, two handles (11) are arranged in the position on flanging panel (1) close to middle part, the distribution of connector (10) described in two
In the two sides of handle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291220.9A CN109297647A (en) | 2018-10-31 | 2018-10-31 | A kind of close property detection vacuum plant for 45° angle weld seam at LNG ship CM node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291220.9A CN109297647A (en) | 2018-10-31 | 2018-10-31 | A kind of close property detection vacuum plant for 45° angle weld seam at LNG ship CM node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109297647A true CN109297647A (en) | 2019-02-01 |
Family
ID=65146149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811291220.9A Pending CN109297647A (en) | 2018-10-31 | 2018-10-31 | A kind of close property detection vacuum plant for 45° angle weld seam at LNG ship CM node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109297647A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109850065A (en) * | 2019-02-28 | 2019-06-07 | 广船国际有限公司 | The division methods and ship collection defence area packaging technology of the anti-cell of ship collection |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1602751A (en) * | 1977-03-17 | 1981-11-18 | Conoco Inc | Early crack detection |
| CN1760655A (en) * | 2004-10-13 | 2006-04-19 | 上海外高桥造船有限公司 | Method and device of tightness test for filler weld |
| CN201828383U (en) * | 2010-10-28 | 2011-05-11 | 金海重工股份有限公司 | Ship body welding pre-sealing vacuum cover |
| CN102384826A (en) * | 2011-08-18 | 2012-03-21 | 浙江省海洋开发研究院 | Weld joint tightness verifying device |
| CN205300872U (en) * | 2015-12-25 | 2016-06-08 | 中航威海船厂有限公司 | Angle seam welding detection device |
| CN106679533A (en) * | 2016-12-27 | 2017-05-17 | 沪东中华造船(集团)有限公司 | Testing tool system and testing method for LNG ship liquid cargo compartment three-dimensional board CM nodes |
| CN207147724U (en) * | 2017-05-15 | 2018-03-27 | 沪东中华造船(集团)有限公司 | A kind of special weld testing tools of LNG ship CM nodes |
| CN108020380A (en) * | 2017-11-09 | 2018-05-11 | 上海江南长兴造船有限责任公司 | A kind of close property detection method of LNG ship cargo tank CM node regions |
-
2018
- 2018-10-31 CN CN201811291220.9A patent/CN109297647A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1602751A (en) * | 1977-03-17 | 1981-11-18 | Conoco Inc | Early crack detection |
| CN1760655A (en) * | 2004-10-13 | 2006-04-19 | 上海外高桥造船有限公司 | Method and device of tightness test for filler weld |
| CN201828383U (en) * | 2010-10-28 | 2011-05-11 | 金海重工股份有限公司 | Ship body welding pre-sealing vacuum cover |
| CN102384826A (en) * | 2011-08-18 | 2012-03-21 | 浙江省海洋开发研究院 | Weld joint tightness verifying device |
| CN205300872U (en) * | 2015-12-25 | 2016-06-08 | 中航威海船厂有限公司 | Angle seam welding detection device |
| CN106679533A (en) * | 2016-12-27 | 2017-05-17 | 沪东中华造船(集团)有限公司 | Testing tool system and testing method for LNG ship liquid cargo compartment three-dimensional board CM nodes |
| CN207147724U (en) * | 2017-05-15 | 2018-03-27 | 沪东中华造船(集团)有限公司 | A kind of special weld testing tools of LNG ship CM nodes |
| CN108020380A (en) * | 2017-11-09 | 2018-05-11 | 上海江南长兴造船有限责任公司 | A kind of close property detection method of LNG ship cargo tank CM node regions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109850065A (en) * | 2019-02-28 | 2019-06-07 | 广船国际有限公司 | The division methods and ship collection defence area packaging technology of the anti-cell of ship collection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109297644A (en) | A kind of close property detection method for 90 ° of fillet welds at LNG ship CM node | |
| CN101706350A (en) | Device for testing airtightness of weld joint on ship surface and using method thereof | |
| CN101726395B (en) | Method for testing tightness of welding lines | |
| CN2884173Y (en) | Vacuum sealing means | |
| CN201828383U (en) | Ship body welding pre-sealing vacuum cover | |
| CN102384826B (en) | Weld joint tightness verifying device | |
| CN108716970A (en) | A kind of ship collection defence area air tight test method | |
| CN104339066B (en) | Cut deal butt seam welding connected components and welding method based on ceramic striking liner | |
| WO2019019423A1 (en) | Method for assembling and welding trough-type bulkhead and anti-accumulation plate of cargo oil tank of ship | |
| CN109297647A (en) | A kind of close property detection vacuum plant for 45° angle weld seam at LNG ship CM node | |
| CN109297645A (en) | A kind of close property detection method for 45° angle weld seam at LNG ship CM node | |
| CN205300872U (en) | Angle seam welding detection device | |
| CN104677564A (en) | Tightness test device of ship | |
| CN204214612U (en) | Air tightness detection apparatus | |
| CN109883618A (en) | Groove tank bottom plate leak test vacuum box structure and test method | |
| CN202057461U (en) | Vacuum device for fillet weld sealing property detection in ship construction | |
| CN104763049A (en) | Multi-weld-joint crossed steel member and fabrication method thereof | |
| CN102721513A (en) | Weld joint tightness detecting device for ship under construction | |
| CN204085810U (en) | A kind of vacuum plant detected for fillet weld sealing property in shipbuilding | |
| CN103433650B (en) | Absorption type vacuum welding equipment and technique | |
| CN109297646A (en) | A kind of vacuum plant detected for 90 ° of fillet weld sealing properties at LNG ship CM node | |
| WO2023077974A1 (en) | Liquid pool side wall welding device and welding method | |
| CN103913281A (en) | Welding seam tightness testing method | |
| CN107543660A (en) | Storage tank bottom plate weld joint vacuum experimental rig | |
| CN204422152U (en) | In a kind of shipbuilding, T profile watertight mends the vacuum (-tight) housing of slab integral watertightness detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190201 |