CN106428420B - A method of being used for the installation of super-container vessel crack arrest steel hatch coaming - Google Patents
A method of being used for the installation of super-container vessel crack arrest steel hatch coaming Download PDFInfo
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- CN106428420B CN106428420B CN201610900618.2A CN201610900618A CN106428420B CN 106428420 B CN106428420 B CN 106428420B CN 201610900618 A CN201610900618 A CN 201610900618A CN 106428420 B CN106428420 B CN 106428420B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000009434 installation Methods 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 46
- 238000010276 construction Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000012797 qualification Methods 0.000 abstract 1
- 230000011218 segmentation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
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- Ocean & Marine Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of method of the installation for super-container vessel crack arrest steel hatch coaming, which includes the following steps：The vertical manufacture of the affiliated group of S1, torsion box；S2 is arranged to organize in main deck and founds jig frame special, realizes the positioning of component；S3, crack arrest steel hatch coaming organize vertical stage welding equipment in main deck, eventually form to organize in complete hatch coaming main deck and stand；S4 organizes vertical making, is organized in the torsion box longitudinal wall expansion of formation precision qualification vertical in the expansion of torsion box longitudinal wall；S5, torsion box are segmented big group, and the outfititems such as box column above main deck can be installed, and are segmented to torsion box and carry out technique correction, form torsion box segmentation.The present invention is conducive to be promoted the installation accuracy of crack arrest steel hatch, reduce the damage risk for freezing and removing the crack arrest steel that process conditions are brought, the erection stage of hatch coaming is shifted to an earlier date, and is created conditions for the installation in advance of other outfititems, to effectively shorten the construction period of entire container ship.
Description
Technical Field
The invention relates to ship construction, in particular to a method for installing a crack-stopping steel hatch coaming of an ultra-large container ship.
Background
At present, the high-strength crack arrest steel is increasingly adopted in the area of the container cabin hatch coaming and the main deck to reduce the weight of an empty ship, and the use of the crack arrest steel brings great challenges to the installation in advance of the hatch coaming. At present, the installation of the crack arrest steel hatch coaming of the ultra-large container ship is mainly carried out by the following method: and horizontally installing the crack arrest steel hatch coaming at a subsection stage, or normally installing the crack arrest steel hatch coaming at a dock stage. The two mounting methods have the following defects:
firstly, if the crack arrest steel hatch coaming is horizontally installed in a subsection stage, a K-shaped groove is arranged between a longitudinal wall plate and a main deck of the crack arrest steel hatch coaming, so that great influence is brought to the installation precision of the hatch coaming during single-side welding, and if the crack arrest steel hatch coaming is strengthened through a large amount of processes, the risk of damaging the crack arrest steel exists in the process of welding and dismantling a technical part easily.
Secondly, if the crack arrest steel hatch coaming is normally installed in the dock stage, because the fillet weld clearance between the longitudinal wallboard of the crack arrest steel hatch coaming and the main deck is 0-3 mm, the torsion box and the hatch coaming structure accumulate larger precision errors through long-time processes of shelving, transportation, lifting, welding and the like, the fillet weld clearance between the longitudinal wallboard of the crack arrest steel hatch coaming and the main deck of the torsion box is extremely easy to be out of tolerance due to the condition, and the hatch coaming is installed in the dock stage, and the dock period is greatly influenced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for installing a crack arrest steel hatch coaming of an ultra-large container ship, and solves the problems that the crack arrest steel hatch coaming in the prior art is high in installation risk, low in installation precision, long in installation time and influences the ship construction period.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for installation of a crack arrest steel hatch coaming for an ultra large container ship, the method comprising the steps of:
s1, manufacturing a small assembly to which the torsion box belongs, splicing the main boards, and welding the main deck group, the longitudinal wall group and the outer rib plate after the size of the spliced board is qualified;
s2, arranging a special assembly jig frame in a main deck, wherein the jig frame of the assembly jig frame in the main deck consists of angle steel, arranging a horizontal line on the jig frame to ensure the joint rate of a main deck group and the jig frame, mechanically fixing the main deck group and the assembly jig frame in the main deck through an assembly horse, hoisting a crack-stopping steel hatch coaming on the main deck group for installation after the crack-stopping steel hatch coaming is qualified in precision, enabling a longitudinal wall plate of the main deck group to be close to an inclined strut, welding the inclined strut and the assembly jig frame in the main deck, and mechanically fixing the main deck group and the crack-stopping steel hatch coaming with the assembly jig frame in the main deck respectively so as to realize the positioning of components;
s3, assembling and welding the crack arrest steel hatch coaming in a main deck at an assembling stage, after assembling between the crack arrest steel hatch coaming and a main deck group is finished, starting welding, firstly welding a part of fillet weld between the tail end of a transverse toggle plate of the crack arrest steel hatch coaming and a deck structure of the main deck group, carrying out flat fillet weld between a longitudinal wall plate of the crack arrest steel hatch coaming and the deck structure by adopting a double-sided symmetrical split gradual backing welding method, after welding of a longitudinal wall plate, continuously finishing welding of the fillet weld between the transverse toggle plate and the deck structure, monitoring the precision of the crack arrest steel hatch coaming in real time during welding, if the precision is out of tolerance, adjusting the welding method in time to ensure the assembling and welding precision of the crack arrest steel hatch coaming, if the precision is out of an allowable range, correcting by an initiating worker until the precision is qualified, and finally forming a complete assembling in the main deck of the crack arrest steel hatch coaming;
s4, assembling and manufacturing the longitudinal wall of the torsion box in an expanding way, after the assembling precision of the middle group of the longitudinal wall plate, the second plate group and the main deck in the torsion box is qualified, arranging the main deck middle assembling jig frame, forming ground lines such as contour lines, waterlines, rib check lines and the like on a manufacturing site, taking the middle group of the longitudinal wall plate in the torsion box as a construction base surface, sequentially hoisting the second plate group and the main deck for assembling, wherein the assembling and welding process of the assembling and welding is carried out strictly following the assembling and welding process, and the welding deformation is reduced by adopting a small-current and multi-layer multi-pass welding way in the assembling and welding process to form the assembling in the longitudinal wall expanding way with qualified precision;
s5, assembling the torsion resistant box sections, assembling the torsion resistant box longitudinal wall in an expanding process and assembling the outer plate in an assembling process to be qualified, then assembling the torsion resistant box longitudinal wall in an expanding process and assembling the outer plate in an overturning process by taking the outer plate assembly as an installation base surface, welding the torsion resistant box longitudinal wall in an expanding process to be assembled with a crane and reinforcing the process, overturning and welding the torsion resistant box longitudinal wall in the outer plate to be assembled, arranging I-shaped steel at two ends of a bow and a stern of the torsion resistant box assembly, respectively connecting a crack preventing steel hatch coaming with a main deck group to prevent the torsion resistant box sections from deforming in the overturning process, and at this stage, installing outfitting pieces such as box columns and the like above the main deck can be installed, and the torsion resistant box sections.
And in the step S1, when the distance between the outer rib plate and the end of the member is more than 1m, arranging a false bay craft piece on the main deck group.
And step S1, welding a sling turning tool at one end of the main board.
The inclined struts and the crack arrest steel hatch coaming are not welded, loose support tubes are arranged between short longitudinal girders of the crack arrest steel hatch coaming and the main deck group for assisting in positioning of the hatch coaming, and the loose support tubes, the main deck group and the crack arrest steel hatch coaming are supported and fixed without welding; the assembling horse is welded with the assembling jig frame in the main deck, and the main deck group adopts the crack-stopping steel, so that the assembling horse and the main deck group are mechanically fixed without welding.
Compared with the prior art, the method has the beneficial effects that ① the method adopts a special jig frame for assembling in the main deck, reduces the use of process parts in the installation process of the crack arrest steel hatch coaming, reduces the damage risk of crack arrest steel, ② the method facilitates the improvement of the installation precision of the crack arrest steel hatch coaming by normally installing the crack arrest steel hatch coaming in the main deck in the assembling stage and utilizes the mode of gradually backing welding in a split mode, reduces the damage risk of crack arrest steel brought by welding and dismantling the process parts, advances the installation stage of the hatch coaming, creates conditions for the advanced installation of other outfitting parts, and effectively shortens the construction period of the whole container ship, ③ the method accelerates the installation speed of the crack arrest steel coaming, creates conditions for the advanced installation of other hatch outfitting parts, greatly shortens the construction period of the ship, and can also accelerate the installation of normal columns, support boxes and the like of the hatch coaming of the cover in the sectional assembling stage, thereby greatly accelerating the construction speed of the large-scale container ship.
Drawings
Fig. 1 is a schematic diagram of a main board splicing plate and a special sling turning tool in the invention.
FIG. 2 is a schematic structural view of a torque box subassembly of the present invention.
FIG. 3 is a schematic view of the structure of the vertical wall group of the present invention.
Fig. 4 is a schematic structural view of the special assembly jig frame in the main deck of the invention.
Fig. 5 is a schematic view of the assembly and welding of the hatch coaming in the main deck of the present invention.
Fig. 6 is a schematic view of the structure of the assembly in the main deck of the present invention.
FIG. 7 is a schematic view of the construction of the group of inner side wall panels of the torque box of the present invention.
Fig. 8 is a schematic diagram of the structure of the two-deck group of the present invention.
FIG. 9 is a schematic view of the enlarged assembly of the longitudinal walls of the torsion box of the present invention.
FIG. 10 is a schematic view of the structure of the outer panel assembly of the present invention.
FIG. 11 is a schematic view of the construction of the torque box section of the present invention.
Fig. 12 is a cross-sectional view of the area a in fig. 11.
Wherein,
1-a main board; 2-turning over the tool by the suspender; 3-main deck group; 3-1-deck construction; 4-a group of vertical walls; 5-outer rib plates; 6-false bay craft piece; 7, assembling a jig frame in the main deck; 7-1-diagonal bracing; 8-horizontal line; 9-assembling a horse; 10-crack arrest steel hatch coaming; 10-1-transverse toggle; 10-2-longitudinal wall panels; 11-assembling in a main deck; 12-loose supporting tube; 13-panel of two; 14, assembling the torsion box in the expansion of the longitudinal wall; 15, assembling in an outer plate; 16-i-beam; 17-box column; 18-torsion box section; 19-middle group of inner longitudinal wall plates of torsion box.
Detailed Description
The method for installing the crack arrest steel hatch coaming of an oversized container ship according to the present invention will be described in further detail with reference to the accompanying drawings, so as to clearly understand the application process of the method according to the present invention, but the scope of the present invention should not be limited thereby.
As shown in fig. 1 to 6, the present embodiment is a method for installing a crack arrest steel hatch coaming of an ultra-large container ship, the method comprising the steps of:
s1, manufacturing a small assembly to which the torsion box belongs, splicing a main board 1, then welding a main deck group 3, a longitudinal wall group 4 and an outer side rib plate 5, when the distance between the outer side rib plate 5 and the end of a component is more than 1m, arranging a false bay process piece 6 on the main deck group 3 for reinforcement in an auxiliary mode, welding a suspender turning tool 2 at one end of the main board 1, adopting a crack-stopping steel splicing plate as the main board, adopting a special suspender turning tool 2 in the turning process, reducing the damage risk of crack-stopping steel caused by welding and dismantling the process piece,
s2, arranging a special assembly jig frame in the main deck, wherein the assembly jig frame 7 in the main deck is composed of angle steel, a horizontal line 8 is arranged on the moulding bed for ensuring the joint rate of the assembling moulding bed 7 in the deck group and the main deck, because the main deck group 3 is made of crack-stopping steel, the main deck group 3 and the assembling jig frame 7 in the main deck are mechanically fixed through the assembling horse 9 without welding, the crack-stopping steel hatch coaming 10 is hung on the main deck group 3 for installation, the longitudinal wall plate of the main deck group 3 is tightly leaned against the inclined strut 7-1, the inclined strut 7-1 is welded with the assembling jig frame 7 in the main deck, the inclined strut 7-1 is not welded with the crack arrest steel hatch coaming 10, a loose supporting pipe 12 is arranged between the short longitudinal girder of the crack-stopping steel hatch coaming 10 and the main deck group 3, the loose support tube 12 is not welded with the main deck group 3 and the crack arrest steel hatch coaming 10; the assembling horse 9 is welded with the assembling jig frame 7 in the main deck, the assembling horse 9 is mechanically fixed with the main deck group 3, and the main deck group 3 and the crack arrest steel hatch coaming 10 are respectively mechanically fixed with the assembling jig frame 7 in the main deck, so that the positioning of components is realized;
s3, assembling and welding the crack arrest steel hatch coaming in the main deck at the assembling stage, after the assembling between the crack arrest steel hatch coaming 10 and the main deck group 3 is finished, starting to weld a part of fillet weld between the tail end of the transverse elbow plate 10-1 of the crack arrest steel hatch coaming 10 and the deck structure 3-1 of the main deck group 3, adopting a double-sided symmetrical split gradual unwelding method for flat fillet weld between the longitudinal wall plate 10-2 of the crack arrest steel hatch coaming 10 and the deck structure 3-1, and after the welding of the longitudinal wall plate 10-2 is finished, continuing to weld the fillet weld between the transverse elbow plate 10-1 and the deck structure 3-1,
s4, manufacturing the enlarged middle assembly of the longitudinal wall of the torsion box, arranging the assembly jig frame 7 in the main deck, forming ground lines such as a contour line, a waterline, a rib inspection line and the like on a manufacturing site, taking the middle assembly 19 of the longitudinal wall plate in the torsion box as a construction base surface, sequentially hoisting the small dimethyl plate group 13 and the middle assembly 11 of the main deck, and forming the enlarged middle assembly 14 of the longitudinal wall of the torsion box with qualified precision by adopting small current and multi-layer multi-pass welding in the assembling and welding process;
s5, large torsion box subsection grouping, after the precision of the middle assembly 14 for expanding the longitudinal wall of the torsion box and the assembly 15 in the outer plate is qualified, the assembly 15 in the outer plate is taken as an installation base surface, the middle assembly 14 for expanding the longitudinal wall of the torsion box is welded with a crane and is reinforced by a process, the outer plate is welded in the assembly 15 in a turning manner, I-shaped steels 16 are arranged at two ends of a bow and a stern of the assembly in the torsion box, the crack arrest steel hatch coaming 10 and the main deck group 3 are respectively connected, at the stage, a box column 17 fitting-out piece above a main deck is installed, the torsion box subsection is corrected by the process, and the torsion box subsection 18 is formed.
While specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and that various changes or modifications may be made without departing from the principles and spirit of the invention. The above embodiments are merely illustrative of the technical principles and effects of the present invention, and do not limit the protection of the claims of the present invention.
Claims (4)
1. A method for installing a crack arrest steel hatch coaming for an ultra large container ship, characterized in that the method comprises the following steps:
s1, manufacturing a small assembly to which the torsion box belongs, splicing the main board (1), and welding the main deck group (3), the longitudinal wall group (4) and the outer rib plate (5) after the size of the spliced board is qualified;
s2, arranging a special assembly jig frame in a main deck, wherein the jig frame of an assembly jig frame (7) in the main deck consists of angle steel, arranging a horizontal line (8) on the jig frame, mechanically fixing the main deck group (3) and the assembly jig frame (7) in the main deck through an assembly horse (9), hoisting the crack-stopping steel hatch coaming (10) onto the main deck group (3) for installation after the crack-stopping steel hatch coaming (10) is qualified in precision, tightly connecting a longitudinal wall plate of the main deck group (3) with an inclined strut (7-1), welding the inclined strut (7-1) and the assembly jig frame (7) in the main deck, and mechanically fixing the main deck group (3) and the crack-stopping steel hatch coaming (10) with the assembly jig frame (7) in the main deck respectively, so as to realize the positioning of the main deck group (3) and the crack-stopping steel hatch coaming (10);
s3, assembling and welding the crack arrest steel hatch coaming in the main deck at the assembling stage, after the assembling between the crack arrest steel hatch coaming (10) and the main deck group (3) is finished, starting to weld, firstly welding a part of fillet weld between the tail end of the transverse toggle plate (10-1) of the crack arrest steel hatch coaming (10) and the deck structure (3-1) of the main deck group (3), adopting a double-sided symmetrical, split and gradual back welding method for flat fillet weld between the longitudinal wall plate (10-2) of the crack arrest steel hatch coaming (10) and the deck structure (3-1), and after the welding of the longitudinal wall plate (10-2), continuously finishing the welding of the fillet weld between the transverse toggle plate (10-1) and the deck structure (3-1),
s4, manufacturing a torsion box longitudinal wall expanding middle assembly, after the precision of a torsion box inner longitudinal wall plate middle assembly (19), a double plate small assembly (13) and a main deck middle assembly (11) is qualified, setting a main deck middle assembly jig frame (7), forming a contour line, a waterline and a rib inspection line ground line on a manufacturing site, sequentially hoisting the double plate small assembly (13) and the main deck middle assembly (11) by taking the torsion box inner longitudinal wall plate middle assembly (19) as a construction base surface, and forming the torsion box longitudinal wall expanding middle assembly (14) with qualified precision by adopting small current and multi-layer multi-pass welding in the assembling and welding process;
s5, large torsion box subsection grouping, after the precision of the torsion box longitudinal wall expanding middle assembly (14) and the outer plate middle assembly (15) is qualified, the outer plate middle assembly (15) is used as an installation base surface, the torsion box longitudinal wall expanding middle assembly (14) is welded with a crane and is technically reinforced, the torsion box longitudinal wall expanding middle assembly is welded in the outer plate middle assembly (15) in a turning mode, I-shaped steel (16) is arranged at the two ends of a bow and a stern of the torsion box assembly, a crack arrest steel hatch coaming (10) and a main deck subgroup (3) are respectively connected, at the stage, box column (17) outfitting parts above a main deck are installed, and the torsion box subsection is technically corrected to form the torsion box subsection (18).
2. The method for installing the crack arrest steel hatch coaming for very large container ships as claimed in claim 1, characterized in that in step S1, when the distance between the outer rib (5) and the end of the main deck group (3) is more than 1m, the cofferdam craft (6) is installed on the main deck group (3).
3. The method for installing the crack arrest steel hatch coaming for very large container ships according to claim 1, characterized in that in step S1, one end of the main plate (1) is welded with a harness turn-over fixture (2).
4. The method for installing the crack arrest steel hatch coaming of the very large container ship according to claim 1, characterized in that, the bracing (7-1) is supported and fixed with the crack arrest steel hatch coaming (10), a loose support pipe (12) is arranged between the short longitudinal girder of the crack arrest steel hatch coaming (10) and the main deck group (3), the loose support pipe (12) is supported and fixed with the main deck group (3) and the crack arrest steel hatch coaming (10); the assembling horse (9) is welded with the assembling jig frame (7) in the main deck, and the assembling horse (9) is mechanically fixed with the main deck group (3).
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| CN201610900618.2A CN106428420B (en) | 2016-10-17 | 2016-10-17 | A method of being used for the installation of super-container vessel crack arrest steel hatch coaming |
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| CN201610900618.2A CN106428420B (en) | 2016-10-17 | 2016-10-17 | A method of being used for the installation of super-container vessel crack arrest steel hatch coaming |
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| CN107839841B (en) * | 2017-12-02 | 2024-02-02 | 浙江宏盛造船有限公司 | Deck transport ship |
| CN108189973B (en) * | 2017-12-21 | 2019-10-15 | 沪东中华造船(集团)有限公司 | A kind of method for supporting for super-container vessel normal state installation hatch coaming |
| CN108177730A (en) * | 2017-12-25 | 2018-06-19 | 沪东中华造船(集团)有限公司 | A kind of integrated method of construction of topside segmentation |
| CN108327848B (en) * | 2017-12-29 | 2019-07-12 | 南通中远船务工程有限公司 | A kind of engineering ship is flexible to raise position of foetus installation method |
| CN110508910B (en) * | 2019-09-06 | 2021-10-01 | 上海外高桥造船有限公司 | Longitudinal bulkhead welding method |
| CN110937080B (en) * | 2019-10-31 | 2023-12-26 | 上海江南长兴造船有限责任公司 | Construction method for assembling transverse compartment top plate of container ship |
| CN111645824B (en) * | 2020-05-09 | 2022-04-05 | 上海江南长兴造船有限责任公司 | High-precision construction method for torsion box of container ship |
| CN112758276B (en) * | 2020-12-30 | 2023-03-14 | 大连船舶重工集团有限公司 | Method for integrally building hatch circumference and torsion box of ultra-large container ship |
| CN113998073B (en) * | 2021-11-30 | 2023-03-24 | 广州黄船海洋工程有限公司 | Integrated installation method of longitudinal hatch coaming and torsion box of container |
| CN115476983B (en) * | 2022-08-25 | 2024-06-18 | 沪东中华造船(集团)有限公司 | Double-layer bottom segment manufacturing method based on virtual simulation |
| CN115610614B (en) * | 2022-10-20 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Control method for stepped sectional construction precision of container ship |
| CN116080852B (en) * | 2022-11-29 | 2024-06-18 | 沪东中华造船(集团)有限公司 | Transportation method for torsion box hatch coaming integrated segmentation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202541781U (en) * | 2012-03-15 | 2012-11-21 | 上海船厂船舶有限公司 | Novel hatch coaming |
| KR101380740B1 (en) * | 2012-06-29 | 2014-04-11 | 쉐어 휴먼 제네텍 세러피스, 인코포레이티드 | Purification of iduronate-2-sulfatase |
| CN203094369U (en) * | 2012-12-25 | 2013-07-31 | 上海中远船务工程有限公司 | Folded structure of cargo hold C section general assembly |
| CN104590487B (en) * | 2014-12-11 | 2016-09-21 | 中船黄埔文冲船舶有限公司 | A kind of working ship is with large-scale stern cylinder flange disk high precision assembling and welding process |
| CN104743060A (en) * | 2015-04-27 | 2015-07-01 | 上海外高桥造船海洋工程有限公司 | Ship main engine installation method |
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