CN113978648A - Sectional construction method for fuel tank side of LNG (liquefied Natural gas) power container ship - Google Patents
Sectional construction method for fuel tank side of LNG (liquefied Natural gas) power container ship Download PDFInfo
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- CN113978648A CN113978648A CN202111432538.6A CN202111432538A CN113978648A CN 113978648 A CN113978648 A CN 113978648A CN 202111432538 A CN202111432538 A CN 202111432538A CN 113978648 A CN113978648 A CN 113978648A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 239000002828 fuel tank Substances 0.000 title claims abstract description 21
- 239000003949 liquefied natural gas Substances 0.000 title description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 9
- 239000000446 fuel Substances 0.000 abstract description 5
- 210000000988 bone and bone Anatomy 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
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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
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a sectional construction method for a fuel cabin side of an LNG power container ship, which comprises the following steps of dividing the fuel cabin side section into an outer plate middle group, an inner shell plate longitudinal girder middle group, a platform plate middle group and a bulkhead middle group according to the structural characteristics of the fuel cabin side section of the LNG power container ship; then, the large group takes the outer plate as a base surface, and sequentially installs the inner shell plate longitudinal girder middle group, the platform plate middle group and the bulkhead middle group to form a complete shipboard subsection, thereby effectively solving the difficult problem of shipboard subsection construction of the fuel tank of the LNG power container ship, realizing smooth subsection construction, reducing the subsection construction difficulty and ensuring the subsection construction precision.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a shipboard sectional construction method for a fuel tank of an LNG power container ship.
Background
The LNG power container ship fuel tank integrates the characteristics of an LNG ship and a container ship, and the broadside section comprises structures such as an outer plate, an inner shell plate, a longitudinal girder, a diagonal side plate, a platform plate, a rib plate and the like, and is equivalent to a broadside three-layer structure; the position close to the platform plate is also of a double-shell structure and also comprises a diagonal side plate. The side sections of the pure container ship and the LNG ship are composed of outer plates, inner shell plates, rib plates and platform plates, and the outer plates are used as base surfaces during construction and are installed in the inner shell plates. The inner inclined top plate of the LNG ship board top subsection is used as a base plane, the middle group of the trap deck, the middle group of the deck small subsection and the middle group of the outer inclined top deck are sequentially installed, and the node position is built by a bed mould. The two conventional section construction modes are not suitable for the construction of the fuel tank side section of the LNG power container ship. How to reasonably divide and assemble and realize the construction of the shipboard section of the LNG power fuel tank is urgently needed to be solved.
Disclosure of Invention
In view of the above, the invention provides a sectional construction method for a fuel tank side of an LNG power container ship, which is used for solving the difficult problem of sectional construction of the fuel tank side of the LNG power container ship, realizing smooth sectional construction and ensuring the sectional construction precision.
A shipboard sectional construction method for a fuel tank of an LNG power container ship specifically comprises the following steps:
s1, dividing the broadside sections into outer plate middle assemblage, inner shell plate longitudinal girder middle assemblage, platform plate middle assemblage and bulkhead middle assemblage according to the three-dimensional model of the broadside sections;
s2, respectively constructing an outer plate middle assembly, an inner shell plate longitudinal girder middle assembly, a platform plate middle assembly and a bulkhead middle assembly;
and S3, taking the board side outer plate assembled in the outer plate as a base surface, and sequentially assembling the inner shell plate longitudinal girder intermediate assembly, the platform plate intermediate assembly and the bulkhead intermediate assembly on the outer plate intermediate assembly to form the board side section.
Preferably, the step of assembling the inner skin plate stringer is:
reversely building an inner shell plate on the jig frame;
a plurality of first platform plates and a plurality of first ribbed plates are vertically fixed on the inner shell plate, the first platform plates and the first ribbed plates are arranged in a criss-cross mode, and the first ribbed plates are perpendicular to the first reinforcing section bars.
Preferably, the step of assembling in the construction of the stringer is:
building a first longitudinal truss plate on the jig frame;
fixing a second flat bedplate at one side edge of the first longitudinal truss plate;
fixing a plurality of second reinforcing section bars on the plate surface of the first longitudinal truss plate;
and a plurality of second rib plates vertical to the second flat plate are fixed on the plate surface of the first longitudinal truss plate, and the second rib plates are vertical to the second reinforcing section bar.
Preferably, the steps of assembling in the building deck are:
building a secondary middle assembly of the inclined side plate on the jig frame;
a plurality of equally spaced third reinforcing section bars are arranged on the third platform plate, and a third ribbed plate vertical to the third reinforcing section bars is fixed at one side edge of the third platform plate;
and (3) turning the assembly of the secondary middle level of the inclined side plate 180 degrees and buckling the assembly on the third platform plate to form the assembly of the platform plate middle level.
Preferably, the secondary assembly of the inclined side plate comprises the inclined side plate, a plurality of brackets and a plurality of fourth reinforcing profiles which are fixed on the surface of the inclined side plate, and a second stringer plate and a fourth platform plate which are fixed on one side of the inclined side plate, wherein the brackets are perpendicular to the fourth reinforcing profiles.
Preferably, the step of building the assemblage in the compartment is:
building a ribbed plate secondary middle assembly on the jig frame;
a fifth reinforcing section bar, a third longitudinal girder plate and a fifth platform plate are arranged on the fourth ribbed slab,
and turning over the rib plate secondary middle assembly for 180 degrees and buckling the rib plate secondary middle assembly on the fourth rib plate to form the bulkhead middle assembly.
Preferably, the rib plate secondary middle assembly comprises a fifth rib plate, a sixth platform plate, a sixth reinforcing section bar and a fourth longitudinal girder plate which are vertically fixed on the fifth rib plate, and the sixth platform plate and the sixth reinforcing section bar are both vertical to the fourth longitudinal girder plate.
Preferably, the outer plate middle assembly is composed of a side outer plate and a plurality of longitudinal bones vertically fixed on the side outer plate, and the longitudinal bones are arranged at equal intervals.
The invention has the beneficial effects that:
1. according to the structural characteristics of the fuel cabin side sections of the LNG power container ship, the fuel cabin side sections are divided into an outer plate middle group, an inner shell plate longitudinal girder middle group, a platform plate middle group and a bulkhead middle group; then, the large group takes the outer plate as a base surface, and sequentially installs the inner shell plate longitudinal girder middle group, the platform plate middle group and the bulkhead middle group to form a complete shipboard subsection, thereby effectively solving the difficult problem of shipboard subsection construction of the fuel tank of the LNG power container ship, realizing smooth subsection construction, reducing the subsection construction difficulty and ensuring the subsection construction precision.
2. The invention realizes the construction of the LNG power container ship side subsection on the original jig frame through the subsection horizontal construction, thereby saving the cost.
3. According to the invention, through the secondary middle group of the inclined side plates in the middle group of the platform plate, the effective control of the LNG node position is realized through the bed plate, and through the angle joint of the middle group of the longitudinal girders and the middle group of the platform plate in the large group, the control of the other node position of the LNG is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic illustration of the broadside staging process of the present invention.
FIG. 2 is a schematic view of the structure of a group of inner skin stringers.
FIG. 3 is a schematic view of the structure of the stringer assembly.
Fig. 4 is a schematic structural view of the assembly in the platform board.
Figure 5 is a schematic view of the assembly in a bay.
The reference numerals in the figures have the meaning:
1 is a side shell plate;
2, an inner shell plate longitudinal girder is assembled, 21 is an inner shell plate, 22 is a first platform plate, 23 is a first ribbed plate, and 24 is a first reinforcing section bar;
3 is a longitudinal girder middle assembly, 31 is a first longitudinal girder plate, 32 is a second flat bedplate, 33 is a second ribbed plate, and 34 is a second reinforcing section bar;
4, a platform plate middle assembly, 41, an oblique side plate secondary middle assembly, 42, a third platform plate, 43, a third reinforcing section bar, 44, a third rib plate, 45, an oblique side plate, 46, a toggle plate, 47, a fourth reinforcing section bar, 48, a second longitudinal truss plate and 49, wherein the platform plate middle assembly is a platform plate middle assembly;
5 is a bulkhead middle assembly, 51 is a rib plate secondary middle assembly, 52 is a fifth platform plate, 53 is a fifth reinforcing profile, 54 is a fourth rib plate, 55 is a third longitudinal girder plate, 56 is a fifth rib plate, 57 is a sixth platform plate, 58 is a sixth reinforcing profile, and 59 is a fourth longitudinal girder plate;
6 is a broadside section;
and 7, a side shell plate jig frame.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The invention provides a method for constructing a fuel tank side section of an LNG power container ship, which comprises the following steps of dividing the fuel tank side section into an outer plate middle assembly, an inner shell plate longitudinal girder middle assembly 2, a longitudinal girder middle assembly 3, a platform plate middle assembly 4 and a bulkhead middle assembly 5 according to the structural characteristics of the fuel tank side section of the LNG power container ship; then, the large group takes the outer plate 1 as a base surface, and sequentially installs an inner shell plate longitudinal girder middle assembling 2, a longitudinal girder middle assembling 3, a platform plate middle assembling 4 and a bulkhead middle assembling 5 to form a complete shipboard subsection.
The invention discloses a sectional construction method for a fuel tank side of an LNG power container ship, which specifically comprises the following steps:
and S1, dividing the broadside sections into outer plate middle assemblage, inner shell plate longitudinal girder middle assemblage 2, longitudinal girder middle assemblage 3, platform plate middle assemblage 4 and bulkhead middle assemblage 5 according to the three-dimensional model of the broadside sections.
And S2, respectively constructing an outer plate middle assembly, an inner shell plate longitudinal girder middle assembly 2, a longitudinal girder middle assembly 3, a platform plate middle assembly 4 and a bulkhead middle assembly 5.
The outer plate middle assemblage is composed of a board side outer plate 1 and a plurality of longitudinal bones vertically fixed on the board side outer plate, and the longitudinal bones are arranged at equal intervals.
The step of constructing the assembly 2 in the inner shell plate longitudinal girder is as follows: inversely building an inner shell plate 21 on the jig frame; a plurality of first platform plates 22 and a plurality of first ribbed plates 23 are vertically fixed on the inner shell plate 21 by taking the inner shell plate 21 as a base surface, the first platform plates 22 and the first ribbed plates 23 are arranged in a criss-cross mode, and the first ribbed plates 23 are perpendicular to a first reinforcing section bar 24.
The steps of building the assembly 3 in the longitudinal girder are as follows: building a first longitudinal girder plate 31 on the jig; a second platen 32 is fixed to one side edge of the first stringer 31; fixing a plurality of second reinforcing section bars 34 on the plate surface of the first longitudinal girder plate 31; a plurality of second ribs 33 perpendicular to the second flat plate 32 are fixed to the plate surface of the first stringer 31, and the second ribs 33 are perpendicular to the second reinforcing section bars 34.
The steps of assembling 4 in the building of the platform plate are as follows: building a secondary middle assemblage 41 of the inclined side plate on the jig frame; a plurality of equally spaced third reinforcing section bars 43 are mounted on the third platform plate 42, and a third rib 44 perpendicular to the third reinforcing section bars 43 is fixed to one side edge of the third platform plate 42; turning the secondary middle assembly 41 of the inclined side plate 180 degrees and buckling the secondary middle assembly on a third platform plate 42 to form a platform plate middle assembly 4.
The secondary quarter panel intermediate assembly 41 comprises a quarter panel 45, a plurality of toggle plates 46 and a plurality of fourth reinforcing section bars 47 which are fixed on the panel surface of the quarter panel 45, and a second longitudinal truss plate 48 and a fourth platform plate 49 which are fixed on one side of the quarter panel 45, wherein the toggle plates 46 are vertical to the fourth reinforcing section bars 47.
The steps of building the assemblage 5 in the bay are: building a rib plate secondary intermediate assembly 51 on the jig frame; a fifth reinforcing section bar 53, a third longitudinal girder plate 55 and a fifth platform plate 52 are arranged on a fourth ribbed plate 54 close to the stern, and a ribbed plate secondary intermediate assembly 51 is turned over for 180 degrees and is buckled on the fourth ribbed plate 54 to form a bulkhead intermediate assembly 5.
The rib sub-level middle assembly 51 comprises a fifth rib 56, a fifth platform plate 57 vertically fixed on the fifth rib 56, a sixth reinforcing section bar 58 and a fourth longitudinal girder plate 59, wherein the sixth platform plate 57 and the sixth reinforcing section bar 58 are vertical to the fourth longitudinal girder plate 59.
And S3, using the board side outer plate 1 assembled in the outer plate as a base surface, assembling the inner shell plate longitudinal girder middle assembly 2, the longitudinal girder middle assembly 3, the platform plate middle assembly 4 and the bulkhead middle assembly 5 on the board side outer plate in sequence to form a board side section 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A shipboard sectional construction method for a fuel tank of an LNG power container ship is characterized by comprising the following steps:
s1, dividing the broadside sections into outer plate middle assemblage, inner shell plate longitudinal girder middle assemblage, platform plate middle assemblage and bulkhead middle assemblage according to the three-dimensional model of the broadside sections;
s2, respectively constructing an outer plate middle assembly, an inner shell plate longitudinal girder middle assembly, a platform plate middle assembly and a bulkhead middle assembly;
and S3, taking the board side outer plate assembled in the outer plate as a base surface, and sequentially assembling the inner shell plate longitudinal girder intermediate assembly, the platform plate intermediate assembly and the bulkhead intermediate assembly on the outer plate intermediate assembly to form the board side section.
2. The method for constructing the fuel tank side section of the LNG powered container ship as claimed in claim 1, wherein the step of constructing the inner shell plate stringer for assembly is as follows:
reversely building an inner shell plate on the jig frame;
fixing a plurality of first reinforcing section bars on the inner shell plate;
a plurality of first platform plates and a plurality of first ribbed plates are vertically fixed on the inner shell plate, the first platform plates and the first ribbed plates are arranged in a criss-cross mode, and the first ribbed plates are perpendicular to the first reinforcing section bars.
3. The method for constructing the fuel tank side section of the LNG powered container ship as claimed in claim 1, wherein the step of constructing the longitudinal girders for assembling comprises:
building a first longitudinal truss plate on the jig frame;
fixing a second flat bedplate at one side edge of the first longitudinal truss plate;
fixing a plurality of second reinforcing section bars on the plate surface of the first longitudinal truss plate;
and a plurality of second rib plates vertical to the second flat plate are fixed on the plate surface of the first longitudinal truss plate, and the second rib plates are vertical to the second reinforcing section bar.
4. The method of constructing the LNG-powered container ship fuel tank broadside section as claimed in claim 1, wherein the step of assembling the building deck plates is:
building a secondary middle assembly of the inclined side plate on the jig frame;
a plurality of equally spaced third reinforcing section bars are arranged on the third platform plate, and a third ribbed plate vertical to the third reinforcing section bars is fixed at one side edge of the third platform plate;
and (3) turning the assembly of the secondary middle level of the inclined side plate 180 degrees and buckling the assembly on the third platform plate to form the assembly of the platform plate middle level.
5. The method of constructing a bunkering side section of a LNG-powered container ship according to claim 4, wherein the assembly of the wayside plate secondary comprises a wayside plate, a plurality of brackets and a plurality of fourth reinforcing profiles fixed on the surface of the wayside plate, and a second stringer plate and a fourth platform plate fixed on one side of the wayside plate, wherein the brackets are perpendicular to the fourth reinforcing profiles.
6. The method of constructing the LNG-powered container ship fuel tank broadside section of claim 1, wherein the step of assembling in the construction bay is:
building a ribbed plate secondary middle assembly on the jig frame;
and a fifth reinforcing section bar, a third longitudinal truss plate and a fifth platform plate are arranged on the fourth rib plate, and the rib plate secondary assembly is turned over by 180 degrees and buckled on the fourth rib plate to form the bulkhead assembly.
7. The method of constructing a bunkering side section of an LNG powered container ship as claimed in claim 6, wherein the rib plate secondary assembly includes a fifth rib plate, a sixth platform plate vertically fixed to the fifth rib plate, a sixth reinforcing section bar, and a fourth stringer plate, and the sixth platform plate and the sixth reinforcing section bar are perpendicular to the fourth stringer plate.
8. The method for constructing the fuel tank board side section of the LNG powered container ship as claimed in claim 1, wherein the outer board middle assembly is composed of a board side outer board and a plurality of longitudinal beams vertically fixed on the board side outer board, and the longitudinal beams are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111432538.6A CN113978648A (en) | 2021-11-29 | 2021-11-29 | Sectional construction method for fuel tank side of LNG (liquefied Natural gas) power container ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111432538.6A CN113978648A (en) | 2021-11-29 | 2021-11-29 | Sectional construction method for fuel tank side of LNG (liquefied Natural gas) power container ship |
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| CN113978648A true CN113978648A (en) | 2022-01-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158537A (en) * | 2022-08-17 | 2022-10-11 | 江苏扬子鑫福造船有限公司 | Integrated transverse bulkhead structure |
| CN115709787A (en) * | 2022-11-22 | 2023-02-24 | 沪东中华造船(集团)有限公司 | Sectional building method for deck of LNG (liquefied Natural gas) cabin |
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| CN112550611A (en) * | 2020-12-02 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Method for building bilge part of fuel tank of dual-fuel container ship in segmented mode |
| CN113581408A (en) * | 2021-08-11 | 2021-11-02 | 上海外高桥造船有限公司 | Ship block division method |
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2021
- 2021-11-29 CN CN202111432538.6A patent/CN113978648A/en active Pending
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| RU2460665C1 (en) * | 2011-04-13 | 2012-09-10 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) | Method to manufacture half-block of cylindrical insert for vessel with double hull and rotary device for its realisation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158537A (en) * | 2022-08-17 | 2022-10-11 | 江苏扬子鑫福造船有限公司 | Integrated transverse bulkhead structure |
| CN115709787A (en) * | 2022-11-22 | 2023-02-24 | 沪东中华造船(集团)有限公司 | Sectional building method for deck of LNG (liquefied Natural gas) cabin |
| CN115709787B (en) * | 2022-11-22 | 2024-06-11 | 沪东中华造船(集团)有限公司 | LNG cabin deck sectional construction method |
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