CN115180092A - Hull sheet sectional connection method and hull - Google Patents
Hull sheet sectional connection method and hull Download PDFInfo
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- CN115180092A CN115180092A CN202210992647.1A CN202210992647A CN115180092A CN 115180092 A CN115180092 A CN 115180092A CN 202210992647 A CN202210992647 A CN 202210992647A CN 115180092 A CN115180092 A CN 115180092A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000003466 welding Methods 0.000 claims abstract description 75
- 238000005452 bending Methods 0.000 claims abstract description 34
- 210000001503 joint Anatomy 0.000 claims description 14
- 238000005304 joining Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000011218 segmentation Effects 0.000 description 13
- 230000002349 favourable effect Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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
- 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
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
-
- 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
- B63B73/50—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by forming methods, e.g. manufacturing of curved blocks
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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)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a hull sheet segmented connecting method and a hull, and relates to the technical field of hull construction, the hull sheet segmented connecting method comprises a deck segment and a broadside segment, and the connecting method comprises the following steps: bending the edges of at least one side of the deck sections to be butted; overlapping the edges of the adjacent deck sections, and welding the overlapped parts; and overlapping the edges of the deck section and the broadside section, and welding the overlapped part. The method increases the contact area by bending and lapping the deck sections, welds the lapped and overlapped parts, solves the problem that the production and construction are restricted by welding deformation when the thin plate sectional structures are butted, effectively reduces the requirement on the control on the butting precision of the deck sections and the shipboard sections, reduces the work of on-site cutting and full repair, and is beneficial to improving the ship construction efficiency.
Description
Technical Field
The invention relates to the technical field of hull construction, in particular to a hull sheet sectional connection method and a hull.
Background
The segmentation division is the foundation of the ship body construction process, and for the division of the main board and the framework, a flat section shape (namely 'one-edge-neat') is usually adopted at a broken seam, and allowance is arranged at the end face, so that the main size of the segmentation is ensured to be within a required range. Thin plate sections with the main plate thickness within the range of 4-8 mm can still be constructed efficiently by adopting a flat butt joint method with a flat section shape due to the characteristics of thin plate, uneven end part and easy deformation during welding.
Disclosure of Invention
The invention aims to overcome the defect of changeability of thin plate sectional welding in the prior art and provides a ship hull thin plate sectional connection method and a ship hull.
The invention solves the technical problems through the following technical scheme:
a method of joining hull sheet sections, the hull sheet including a deck section and a broadside section, the method comprising:
bending at least one edge of the deck section, which needs to be butted, wherein the edge is subjected to butt joint;
overlapping edges of adjacent deck sections, and welding the overlapped parts;
and overlapping the edges of the deck section and the broadside section, and welding the overlapped part.
In this scheme, through bending and the overlap joint to the deck segmentation, area of contact has been increased, weld at the overlap joint overlap section, solve the welding deformation that appears when sheet metal segment structure docks and restrict the problem of production construction, difficult emergence is out of shape among the welding process to effectively reduce deck segmentation and topside segmentation butt joint accuracy control requirement, overlap joint position department need not set up the groove, has reduced the work of on-the-spot cutting of cutting full repair, is favorable to improving shipbuilding efficiency.
Preferably, the step of bending the edge of at least one side of the deck section to be butted comprises;
bending is carried out at a position which is 20mm-50mm away from the edge of the deck section.
In this scheme, the length of the portion of bending is reasonable, can satisfy the intensity demand after the welding.
Preferably, the step of overlapping the edges of adjacent deck sections and welding at overlapping overlap portions comprises:
overlapping the bent part of one deck section on the edge of the other deck section;
performing fillet welding on the overlapped part;
and performing intermittent welding on the other side of the deck section subjected to fillet welding.
In this scheme, through the position overlap joint of bending to carry out fillet weld welding at overlap joint overlap portion, only form the step at the overlap joint position on the one hand, the part outside the overlap joint position still can keep the level, and the roughness of adjacent deck segmentation is high, and on the other hand adopts fillet weld welding, and intensity is high, is in addition the one side carry out discontinuous welding, is favorable to reducing construction cost when guaranteeing intensity.
Preferably, the step of overlapping the deck section with the edge of the broadside section and welding at the overlapping overlap comprises:
overlapping the bent part of the deck section on the edge of the broadside section;
performing fillet welding on overlapped parts of the deck section and the broadside section;
and performing intermittent welding on the other side of the deck section subjected to fillet welding.
In this scheme, through the position overlap joint of bending to carry out fillet weld welding at overlap joint overlap portion, only form the step at the overlap joint position on the one hand, the part outside the overlap joint position still can keep the level, and on the other hand adopts fillet weld welding, and intensity is high, is in addition the one side carry out discontinuous welding, is favorable to reducing construction cost when guaranteeing intensity.
Preferably, the method of connecting further comprises providing support beams adjacent the connection of the deck sections and/or the connection of the deck sections and the broadside sections.
In this scheme, through setting up a supporting beam, can further improve the intensity at welding position, welding position is difficult for taking place to warp.
The ship body comprises deck sections and broadside sections, wherein a bent part is arranged on the edge, needing to be butted, of at least one side of each deck section, the bent part of one deck section of the adjacent deck sections is lapped on the edge of the other deck section, the bent part of the deck section is lapped on the edge of the broadside section, and the lapped and overlapped part of the adjacent deck sections and the lapped and overlapped part of the deck sections and the broadside sections are connected through welding.
In this scheme, through setting up the portion of bending and through the overlap joint of the portion of bending to the deck segmentation, area of contact has been increased, weld at the overlap joint overlap portion, the problem of welding deformation and restriction production construction that appear when solving sheet metal segment structure butt joint, difficult emergence is out of shape in the welding process, and effectively reduce deck segmentation and broadside segmentation butt joint accuracy control requirement, overlap joint position department need not set up the groove, the work of having reduced on-the-spot open knife full repair and cut, be favorable to improving shipbuilding efficiency. In addition, the steps can be formed only at the lap joint part through lap joint of the bending parts, and the part outside the lap joint part can still be kept horizontal, thereby being beneficial to improving the integral flatness.
Preferably, the upper surfaces of the overlapping parts of the adjacent deck sections and the broadside sections are welded by fillet welding, and the lower surfaces of the overlapping parts of the adjacent deck sections and the broadside sections are welded discontinuously.
In this scheme, the upper surface adopts the fillet weld welding to do benefit to and promotes welding strength, and the lower surface adopts and is interrupted the welding, when guaranteeing intensity, can reduce construction cost, improves shipbuilding efficiency.
Preferably, the length of the bending part is more than twice of the thickness of the overlapping part.
In this scheme, the length of the portion of bending is reasonable, can satisfy the intensity demand after the welding.
Preferably, support beams are provided adjacent the overlapping portions of the deck sections and/or the overlapping portions of the deck sections and the broadside sections.
In this scheme, through setting up a supporting beam, can further improve the intensity at welding position, welding position is difficult for taking place to warp.
Preferably, the support beam is a T-shaped beam, the T-shaped beam includes a web and a panel, the web is overlapped with the deck section or the broadside section and welded by fillet welding, and the panel is connected with the deck section or the broadside section by flat butt joint.
In this scheme, adopt T type roof beam can alleviate self weight when guaranteeing bending strength, improved the leap ability.
The positive progress effects of the invention are as follows: in this scheme, through bending and the overlap joint to the deck segmentation, increased area of contact, weld at the overlap joint overlap section, solve the welding deformation that appears when sheet metal segment structure docks and restrict the problem of production construction, difficult emergence is out of shape among the welding process to effectively reduce deck segmentation and topside segmentation butt joint accuracy control requirement, overlap joint position department need not set up the groove, has reduced the work of on-the-spot open a knife full repair cutting, is favorable to improving shipbuilding efficiency.
Drawings
Fig. 1 is a flowchart of a ship hull thin plate section connecting method according to embodiment 1 of the invention;
fig. 2 is a schematic structural view of a hull of embodiment 2 of the invention;
fig. 3 is a partial structural view of a hull of embodiment 2 of the invention;
fig. 4 is a schematic view of the hull assembly process of embodiment 2 of the present invention.
Bending part 110
Broadside section 200
Hull centerline 300
Overlapping overlap 500
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides a method for connecting ship hull thin plate segments, the ship hull thin plate segment includes a deck segment and a side segment, and the connecting method includes:
and S10, bending the edge of at least one side of the deck section, which needs to be butted.
And S20, overlapping the edges of the adjacent deck sections, and welding the overlapped parts.
And S30, overlapping the edges of the deck section and the broadside section, and welding the overlapped part.
In the method, the deck sections are bent and overlapped, so that the contact area is increased, the overlapped part is welded, the problem that the production and construction are restricted due to welding deformation when the thin plate sectional structures are butted is solved, the deformation is not easy to occur in the welding process, the requirement on the precision control of the butt joint of the deck sections and the shipboard sections is effectively reduced, grooves do not need to be formed in the overlapped part, the work of full cutting and repairing on site is reduced, and the ship construction efficiency is improved.
Wherein, the order of step S20 and step S30 may be interchanged.
In this embodiment, step S10 specifically includes; the bending was performed at a distance of 50mm from the edge of the deck section. The length of the bending part is reasonable, and the strength requirement after welding can be met.
In other embodiments, the bending may be performed at a position within a range of 20mm-50mm from the edge of the deck section.
In this embodiment, step S20 specifically includes:
and S21, overlapping the bent part of one deck section on the edge of the other deck section.
And S22, performing fillet welding at the overlapped part.
And S23, performing intermittent welding on the other side of the fillet weld welding on the deck section.
Through the overlap joint of bending position to carry out fillet weld welding at overlap joint overlap portion, only form the step at the overlap joint position on the one hand, the part outside the overlap joint position still can keep the level, and the roughness of adjacent deck segmentation is high, and on the other hand adopts fillet weld welding, and intensity is high, welds in the other side is interrupted, is favorable to reducing construction cost when guaranteeing intensity.
In this embodiment, step S30 specifically includes:
and S31, overlapping the bent part of the deck section on the edge of the broadside section.
And S32, carrying out fillet welding on the overlapped part of the deck section and the broadside section.
And S33, performing intermittent welding on the other side of the fillet welding on the deck section.
Through the overlap joint of bending position to carry out fillet weld welding at overlap joint overlap portion, only form the step at the overlap joint position on the one hand, the part outside the overlap joint position still can keep the level, and on the other hand adopts fillet weld welding, and intensity is high, is in addition the one side carry out intermittent welding, is favorable to reducing construction cost when guaranteeing intensity.
In this embodiment, the connecting method further comprises a step S40 of arranging support beams at the connecting points of adjacent deck sections and/or at the connecting points of a deck section and a broadside section. Through setting up a supporting beam, can further improve the intensity at welding position, welding position is difficult for taking place the deformation.
Example 2
As shown in fig. 2 and 3, in the present embodiment, there is provided a ship hull, which includes deck sections 100 and broadside sections 200, wherein at least one side of the deck sections 100 is provided with a bent portion 110 at an edge to be butted, the bent portion of one deck section 100 of adjacent deck sections 100 overlaps the edge of the other deck section 100, the bent portion 110 of the deck section 100 overlaps the edge of the broadside section 200, and the overlapping portion 500 of the adjacent deck sections 100 and the overlapping portion 500 of the deck section 100 and the broadside section 200 are connected by welding.
Through setting up the portion 110 of bending and through the 110 overlap joints of the portion of bending to deck section 100, area of contact has been increased, weld at overlap joint overlap portion 500, the problem of welding deformation and restriction production construction that appear when solving the butt joint of sheet metal segment structure, difficult emergence is out of shape in the welding process, and effectively reduce deck section 100 and broadside section 200 butt joint accuracy control requirement, overlap joint position department need not set up the groove, the work of having reduced on-the-spot open knife full repair and cut, be favorable to improving shipbuilding efficiency. In addition, the bending parts 110 are overlapped, steps can be formed only at the overlapped part, and the part outside the overlapped part can still be kept horizontal, so that the integral flatness is improved.
Wherein, the butt joint part of the deck section 100 which is butt jointed with the deck section 100 and the broadside section 200 is provided with a bending part 110.
In this embodiment, as shown in fig. 3, the overlapping overlap 500 of adjacent deck sections 100 and the upper surface 510 of the overlapping overlap 500 of the deck section 100 and the broadside section 200 are welded with fillet welds, and the overlapping overlap 500 of adjacent deck sections 100 and the lower surface 520 of the overlapping overlap 500 of the deck section 100 and the broadside section 200 are welded with discontinuity welds. The upper surface 510 is welded by fillet weld to be beneficial to improving welding strength, and the lower surface 520 is welded discontinuously, so that the construction cost can be reduced and the ship building efficiency can be improved while the strength is ensured.
In the present embodiment, the length of the bending part 110 is greater than twice the thickness of the overlapping part 500. The length of the bending part 110 is reasonable, and the strength requirement after welding can be met. Specifically, the length of the bending part 110 may be in the range of 20mm to 50 mm.
In this embodiment, the overlapping overlap 500 of adjacent deck sections 100 and the overlapping overlap 500 of a deck section 100 and a broadside section 200 are provided with support beams. Through setting up a supporting beam, can further improve the intensity at welding position, welding position is difficult for taking place the deformation.
In other embodiments, a support beam may also be provided only at one of the overlapping portion 500 of the adjacent deck sections 100 and the overlapping portion 500 of the deck section 100 and the broadside section 200.
In the present embodiment, the support beam is a T-shaped beam, the T-shaped beam includes a web 410 and a panel 420, the web 410 is overlapped with the deck section 100 or the broadside section 200 and welded by using a fillet, and the panel 420 is connected with the deck section 100 or the broadside section 200 by using a butt joint method. The T-shaped beam can reduce the self weight while ensuring the bending strength, and the spanning capability is improved.
In other embodiments, the support beam may be a jig beam or other structural beam.
In addition, the present embodiment also provides the assembly process of the ship body, as shown in fig. 4, first, the bottom deck section 100 is assembled left and right, when the bottom deck section 100 is positioned left and right, the deck is measured horizontally, and at the same time, the vertical intersection of the centerline 300 of the ship body and the centerline of the deck section 100 is strictly controlled.
Secondly, the broadside sections 200 on the left side and the right side are respectively assembled, and when the broadside sections 200 are hoisted, a steady frame support can be added on the broadside sections 200 to prevent the broadside sections 200 from toppling. When the broadside section 200 is positioned in the overall assembly, the deviation of a rib inspection line, the levelness, the main dimension of the overall section and the verticality and the planeness of the end surface meet the process requirements.
And finally, sequentially assembling the middle deck sections 100 and the top deck sections 100, wherein the height of a control layer needs to be noticed when the deck sections 100 are assembled and positioned, and meanwhile, the deviation and the levelness of the rib inspection line, the main dimension of the assembled sections and the verticality and the planeness of end surfaces need to meet the process requirements.
While specific embodiments of the invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes or modifications to these embodiments may be made by those skilled in the art without departing from the principle and spirit of this invention, and these changes and modifications are within the scope of this invention.
Claims (10)
1. A method of joining ship hull sheet sections, the ship hull sheet comprising a deck section and a broadside section, the method comprising:
bending at least one edge of the deck section, which needs to be butted, wherein the edge is subjected to butt joint;
overlapping the edges of the adjacent deck sections, and welding the overlapped parts;
and overlapping the edges of the deck section and the broadside section, and welding the overlapped part.
2. The method for connecting ship hull thin plate sections according to claim 1, wherein the step of bending the edges of at least one side of the deck sections to be butted comprises the following steps;
bending is carried out at a position 20mm-50mm away from the edge of the deck section.
3. A method of joining sheet sections of a ship's hull according to claim 1, wherein the step of overlapping the edges of adjacent deck sections and welding at the overlapping portions comprises:
overlapping the bent part of one deck section on the edge of the other deck section;
performing fillet welding on the overlapped part;
and performing intermittent welding on the other side of the deck section subjected to fillet welding.
4. The method of joining ship hull sheet sections according to claim 1, wherein the step of overlapping the deck section with the edge of the broadside section and welding at the overlapped portion comprises:
overlapping the bent part of the deck section on the edge of the broadside section;
performing fillet welding on overlapped parts of the deck section and the broadside section;
and performing intermittent welding on the other side of the deck section subjected to fillet welding.
5. The method of joining ship hull sheet sections according to claim 1, further comprising providing support beams at the joint of adjacent deck sections and/or the joint of the deck section and the side section.
6. The ship hull is characterized by comprising deck sections and side sections, wherein bent parts are arranged on the edges, needing to be butted, of at least one side of each deck section, the bent part of one deck section adjacent to the deck section is lapped on the edge of the other deck section, the bent part of the deck section is lapped on the edge of the side section, and the lapped and overlapped part of the adjacent deck sections and the lapped and overlapped part of the deck section and the side section are connected through welding.
7. The hull according to claim 6, wherein the upper surfaces of the overlapping portions of adjacent deck sections and the overlapping portions of deck sections and the side sections are welded using fillet welds, and the lower surfaces of the overlapping portions of adjacent deck sections and the overlapping portions of deck sections and the side sections are welded intermittently.
8. A ship hull according to claim 6, characterised in that the length of the bend is greater than twice the thickness of the overlapping part.
9. A hull according to claim 6, wherein support beams are provided adjacent the overlapping portions of the deck sections and/or the overlapping portions of the deck sections and the side sections.
10. The hull according to claim 9, wherein said support beams are T-beams, said T-beams comprising a web and a panel, said web overlapping and being welded with said deck section or said side section by means of a fillet weld, said panel being connected with said deck section or side section by means of butt-joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210992647.1A CN115180092A (en) | 2022-08-18 | 2022-08-18 | Hull sheet sectional connection method and hull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210992647.1A CN115180092A (en) | 2022-08-18 | 2022-08-18 | Hull sheet sectional connection method and hull |
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| CN115180092A true CN115180092A (en) | 2022-10-14 |
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| CN202210992647.1A Pending CN115180092A (en) | 2022-08-18 | 2022-08-18 | Hull sheet sectional connection method and hull |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087832A (en) * | 2023-07-21 | 2023-11-21 | 中交第四航务工程局有限公司 | Ship four-section water folding device and method |
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| CN111375873A (en) * | 2020-04-28 | 2020-07-07 | 广船国际有限公司 | Thin plate jointed board workstation and welding method |
| CN113911287A (en) * | 2021-10-27 | 2022-01-11 | 沪东中华造船(集团)有限公司 | Welding method for invar pipe of liquid cargo tank of LNG ship |
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2022
- 2022-08-18 CN CN202210992647.1A patent/CN115180092A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB568297A (en) * | 1942-01-08 | 1945-03-28 | Edward Fitzgerald Moroney | Improvements in the construction of ships' decks |
| JPH11291040A (en) * | 1998-04-09 | 1999-10-26 | Nippon Sanso Kk | Shielding gas for fillet welding of lap joint of steel sheet and method for fillet welding of lap joint using the same gas |
| JP2013233557A (en) * | 2012-05-08 | 2013-11-21 | Jfe Steel Corp | Laser and arc hybrid welding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117087832A (en) * | 2023-07-21 | 2023-11-21 | 中交第四航务工程局有限公司 | Ship four-section water folding device and method |
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Application publication date: 20221014 |