CN113879484A - Ship balcony section and welding method thereof - Google Patents
Ship balcony section and welding method thereof Download PDFInfo
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- CN113879484A CN113879484A CN202111236407.0A CN202111236407A CN113879484A CN 113879484 A CN113879484 A CN 113879484A CN 202111236407 A CN202111236407 A CN 202111236407A CN 113879484 A CN113879484 A CN 113879484A
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- balcony
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0461—Welding tables
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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
Abstract
The embodiment of the invention discloses a ship balcony section and a welding method thereof. The ship balcony section comprises a plurality of ship balcony splicing plates, and the ship balcony splicing plates are welded along preset welding lines. The welding process comprises the following steps of placing a plurality of ship balcony splicing plates on a platform and splicing the ship balcony splicing plates along the welding line in a preset splicing mode; pressing the ship balcony splicing plates and the platform along two sides of the welding line through a pressing tool; welding the plurality of ship balcony jointed boards along the welding seams according to a preset welding path to obtain a ship balcony jointed board main board; loosening the pressing tool and turning over the main board of the ship balcony splice plate; and carrying out secondary welding along the welding line to obtain the ship balcony section. The two sides of the welding line are pressed through the pressing tool for welding, so that the deformation is reduced, and the technical problem in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a ship balcony section and a welding method thereof.
Background
In the construction process of some large ships, the ship balcony sections are common structures in the ship construction process, but in the actual construction process, as the ship balcony sections are of plate-shaped structures, the external dimension can sometimes reach more than 10 meters, the ship balcony sections are mostly manufactured in a splicing mode in a welding mode, and the plate thickness is generally 8 to 12 millimeters, the deformation amount in the welding process is extremely large, in addition, a window body or even a door body needs to be installed on the balcony, so a large number of holes need to be formed in the ship balcony sections, and the structural strength is further reduced.
Those skilled in the art are looking for a balcony section of a ship and a welding method thereof. The technical problem that severe welding deformation is generated in the building process of the ship balcony section in the prior art is solved.
Disclosure of Invention
In view of the above-mentioned problem that exists among the prior art, press the welding seam both sides through compressing tightly the frock and weld, reduce the deflection, help solving the technical problem among the prior art.
In one embodiment, the present application provides a marine balcony section comprising a plurality of marine balcony splice plates;
the plurality of ship balcony splicing plates are welded along preset welding seams;
the welding process comprises the following steps:
placing a plurality of ship balcony splicing plates on the platform and splicing the ship balcony splicing plates along the welding line according to a preset splicing mode; pressing the ship balcony splicing plates and the platform along two sides of the welding line through a pressing tool; welding the plurality of ship balcony jointed boards along the welding seams according to a preset welding path to obtain a ship balcony jointed board main board; loosening the pressing tool and turning over the main board of the ship balcony splice plate; and carrying out secondary welding along the welding line to obtain the ship balcony section.
In an embodiment, the marine balcony section comprises at least one member;
the components are installed on the main board of the ship balcony splice board;
the welding process further comprises:
and after the step of re-welding along the welding line, mounting the component on the main board of the ship balcony splice board.
In one embodiment, the present application also provides a welding method of a balcony section of a ship, the method comprising:
placing a plurality of preset ship balcony jointed boards on a platform, and mutually splicing the jointed boards along a welding line according to a preset splicing mode;
pressing the ship balcony splicing plates and the platform along two sides of the welding line through a pressing tool;
welding the plurality of ship balcony jointed boards along the welding seams according to a preset welding path to obtain a ship balcony jointed board main board;
loosening the pressing tool and turning over the main board of the ship balcony splice plate;
and carrying out secondary welding along the welding line to obtain the ship balcony section.
In an embodiment, after the step of performing the re-welding along the welding seam to obtain the balcony section of the ship, the method further includes:
and installing the component on the main board of the ship balcony splice board.
In an embodiment, before the step of loosening the pressing tool and turning over the ship balcony splice plate main board, the method further includes:
and mounting the flitch along the welding line, wherein the flitch spans two sides of the welding line and is welded on the main board of the ship balcony splice board.
In one embodiment, the loosening the pressing tool and turning over the ship balcony splice plate main board comprises:
loosening the pressing tool, connecting a first hanging weight at one end of the main board of the ship balcony splice plate, and connecting a second hanging weight at the middle part of the upward surface;
hoisting the ship balcony spliced main board to be suspended through the first hoisting code and the second hoisting code by using hoisting equipment;
connecting a third hanging weight on the other surface of the main board of the ship balcony splice board;
and turning over the ship balcony splicing plate and placing the ship balcony splicing plate back to the platform by using the hoisting equipment through the first hoisting code and the third hoisting code.
In an embodiment, before the step of loosening the pressing tool and connecting a first hanger to one end of the main board of the ship balcony splicing board and connecting a second hanger to the middle of the upward surface, the method comprises the following steps:
welding at least one section bar on one upward surface of the main board of the ship balcony splice plate along a preset direction;
and welding a reinforcing rib beam on one surface of the main board of the ship balcony splice plate facing upwards, wherein the arrangement direction of the reinforcing rib beam and the preset direction form a preset included angle.
In an embodiment, after the step of loosening the pressing tool and turning over the ship balcony splice plate main board, the method further includes:
and carrying out double-line back burning along the welding line.
In an embodiment, after the step of performing the re-welding along the welding seam to obtain the balcony section of the ship, the method further includes:
a plurality of T-row connecting beams are welded on the main board of the ship balcony splicing board side by side, the middle part of the T-row connecting beams are welded firstly, the two ends of the T-row connecting beams are welded, and the middle part of the T-row connecting beams is welded to the two ends of the T-row connecting beams.
In an embodiment, after the step of welding a plurality of T rows of connecting beams side by side on the main board of the ship balcony splice plate, welding the T rows of connecting beams in the middle, welding the T rows of connecting beams at two ends, and finally welding the T rows of connecting beams between the middle and two ends, the method includes:
and at least one balcony cantilever beam is connected along the length direction of the T-row connecting beams in a preset interval arrangement mode.
Drawings
FIG. 1 is a schematic structural view of a balcony splice plate for a ship balcony section according to an embodiment of the present invention;
FIG. 2 is a schematic view of a process for welding a balcony jointed board by pressing a pressing tool of a ship balcony section according to another embodiment of the invention;
FIG. 3 is a schematic flow chart of a welding method for balcony sections of a ship according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a balcony section of a ship with a flitch plate according to another embodiment of the invention;
FIG. 5 is a schematic view of a first state structure of a balcony sectional mounting hanger for a ship according to another embodiment of the invention;
FIG. 6 is a schematic view of a second state of the balcony section-mounted crane for a ship according to another embodiment of the present invention;
FIG. 7 is a schematic flow chart of a ship balcony sectional installation hanger according to another embodiment of the invention;
FIG. 8 is a schematic structural diagram of a mounting section bar before sectional hoisting of a balcony of a ship according to another embodiment of the invention;
FIG. 9 is a schematic structural diagram of a welding position sequence of the balcony section and the reinforcing bar beam of the ship according to another embodiment of the invention;
FIG. 10 is a schematic view illustrating a welding process of the balcony sectional profile and the reinforcing bar beam of the ship according to another embodiment of the present invention;
FIG. 11 is a schematic structural view of a balcony of a ship with T rows of connecting beams installed in sections according to another embodiment of the invention;
fig. 12 is a schematic structural view of a balcony cantilever beam for sectional mounting of a balcony of a ship according to another embodiment of the present invention.
Reference numerals:
balcony jointed board 1 for ship
Compress tightly frock 2
Second hanger 6
Reinforcement beam 9
Boats and ships balcony splice plate mainboard 10
T-row connecting beam 101
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Various aspects and features of the present application are described herein with reference to the drawings.
These and other characteristics of the present application will become apparent from the following description of preferred forms of embodiment, given as non-limiting examples, with reference to the attached drawings.
It should also be understood that, although the present application has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of application, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the application, which can be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as to not unnecessarily obscure the present application with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the application.
Balcony sections of ships are important parts in ship construction, and a large number of door holes and window holes are often formed in the balcony sections. Especially in large ships such as mail ships, etc., the balcony section of the ship can be as high as 11 meters and as long as 14.5 meters, can be used as an outer plate of 6 to 10 decks in a residential area, and is generally 8 to 12 millimeters thick, and the plate-shaped structure with large size is very easy to deform during welding and needs to be turned over during construction, so that the structure of the balcony section of the ship is more easily damaged. Therefore, a new structure and a new process for the ship balcony section are urgently needed, and the technical problem that the ship balcony section in the prior art is seriously welded and deformed in the construction process is solved.
Fig. 1 is a schematic structural view of a ship balcony splice plate of a ship balcony section in an embodiment of the invention, fig. 2 is a schematic process view of a pressing tool for a ship balcony section pressing a ship balcony splice plate for welding in another embodiment of the invention, and fig. 3 is a schematic flow chart of a ship balcony section welding method in an embodiment of the invention. As shown in fig. 1 and 2, and fig. 3, in one embodiment, the present application provides a ship balcony section including a plurality of ship balcony tiles 1, wherein the plurality of ship balcony tiles 1 are welded along preset welding lines;
the welding process comprises the following steps:
placing a plurality of ship balcony splicing plates 1 on a platform and splicing the multiple ship balcony splicing plates along the welding line according to a preset splicing mode; pressing the ship balcony splicing plate 1 and the platform along two sides of the welding line through a pressing tool 2; welding the plurality of ship balcony jointed boards 1 along the welding seams according to a preset welding path to obtain a ship balcony jointed board main board 10; loosening the pressing tool 2 and turning over the main board 10 of the ship balcony splice board; and carrying out secondary welding along the welding line to obtain the ship balcony section.
In this embodiment a specific ship balcony sectional structure is provided. In this embodiment the boats and ships balcony segmentation includes a plurality of boats and ships balcony splice plates 1, obtains boats and ships balcony splice plate mainboard 10 through the mutual seam between the boats and ships balcony splice plates 1, and it needs to point out that, in foretell welding process, it can be the weight iron of 1 to 1.5 tons to compress tightly frock 2 to ensure that boats and ships balcony splice plate 1 does not warp. The technical problem that severe welding deformation is generated in the building process of the ship balcony section in the prior art is solved.
In one embodiment, the balcony section comprises at least one member 3, and the member 3 is mounted on the balcony splice plate main plate 10.
The welding process further comprises the step of mounting the component 3 on the ship balcony splice plate main board 10 after the step of re-welding along the welding line.
In this embodiment there is further provided a specific structure of the balcony section of the ship. The components 3 are also welded on the main board 10 of the balcony splicing board of the ship, and the installation components 3 are generally welded after being turned over once and then turned over again.
In one embodiment, the present application provides a welding method of balcony sections of a ship, the method comprising:
s101, placing a plurality of preset ship balcony jointed boards 1 on a platform, and mutually splicing along welding lines according to a preset splicing mode.
This step provides a concrete step of splicing the balcony panels of the ship. The balcony jointed board 1 of the ship adopts a long strip board, the preset splicing mode is adjacent arrangement side by side, and welding seams on two sides of the balcony jointed board 1 of the ship are aligned.
And S102, pressing the ship balcony splicing plate 1 and the platform along two sides of the welding line through a pressing tool 2.
The step provides a concrete step of pressing the ship balcony splicing plate and the platform through the pressing tool along two sides of the welding line. The compaction tooling may employ a 1 to 1.5 ton weight as previously described.
And S103, welding a plurality of ship balcony jointed boards 1 along the welding seams according to a preset welding path to obtain the ship balcony jointed board main board 10.
The specific steps of splicing and welding a plurality of balcony jointed boards 1 of the ship are provided in the step. It should be noted that the welding in this step is submerged arc welding, and the welding mode is to start welding from the middle of the welding line to both ends. And after welding, hammering the welded welding line by using a wooden hammer, and hammering the welding line by using an iron hammer sizing block plate if the wooden hammer is not used so as to release the welding stress of the welding line and reduce the structural deformation.
And S104, loosening the pressing tool 2 and turning over the ship balcony splice plate main board 10.
In this step, after the welding of the previous step is completed, the pressing tool 2 is loosened and the main board 10 of the balcony splicing board of the ship is turned over.
And S105, carrying out secondary welding along the welding line to obtain the ship balcony section.
In this step a specific step is provided for obtaining the balcony section of the ship by re-welding after turning.
In this embodiment, a method for welding balcony sections of a ship is provided. Firstly, a plurality of preset ship balcony jointed boards 1 are placed on a platform and are mutually spliced along a welding line according to a preset splicing mode, then the ship balcony jointed boards and the platform are pressed along two sides of the welding line through a pressing tool 2, and then the plurality of ship balcony jointed boards 1 are welded along the welding line according to a preset welding path to obtain a ship balcony jointed board main board 10. And loosening the pressing tool 2, turning the main board 10 of the ship balcony splice plate, and welding again along the welding line to obtain the ship balcony section. In the process, a large number of window holes or door holes are formed in the ship balcony splicing plates, the ship balcony splicing plates are cut along the edge of the holes through cutting equipment, and intervals which are not cut off are reserved. In addition, a split gradual welding backing method is adopted when the welding seam is welded, and welding deformation is further reduced. Fig. 2 shows a specific way of the split step-by-step desoldering method, generally welding from the middle to both sides, and welding in sequence in reverse for each side, where 1, 2, 3, and 4 in fig. 2 are the priority order of welding.
In an embodiment, after the step of performing the re-welding along the welding seam to obtain the balcony section of the ship, the method further includes:
and installing the component 3 on the main board 10 of the ship balcony splicing board.
In the present embodiment, a specific embodiment of mounting the members 3 on the balcony sectional main panel of the ship is provided. After the ship balcony spliced main board 1 is welded for the second time through turning, the ship balcony spliced main board 10 is turned again, and finally the component 3 is installed on the welding surface before turning.
Fig. 4 is a schematic structural view of a balcony section of a ship to which a flitch plate is installed according to another embodiment of the invention. As shown in fig. 4, in an embodiment, before the step of loosening the pressing tool and turning over the main board of the ship balcony splice board, the method further includes:
and installing the flitch 4 along the welding line, wherein the flitch 4 spans two sides of the welding line and is welded on the main board 10 of the ship balcony splice board.
In the present embodiment a specific method of mounting the skin 4 over the weld is provided. The flitch 4 can be with the panel of H type cross-section, and the panel of H type cross-section and boats and ships balcony splice plate mainboard 10 carry out the full weld, and carry out the toe-wrapping, follow promptly panel and boats and ships balcony splice plate mainboard 10's contact edge all welds, and the toe-welding size is 5 millimeters. Preferably, the flitch plates 4 are multiple and are arranged at intervals along the welding seam.
The flitch plates 4 can be welded on two sides firstly to increase the strength of the welding seam for the subsequent hoisting process. After welding according to the method, the length and width precision of the main board 10 of the ship balcony splice board is controlled to be +/-3 mm, the diagonal line is +/-5 mm, the straightness of the board edge is +/-2 mm, the levelness is +/-5 mm, the end difference is +/-2 mm, and the deformation is greatly reduced compared with the prior art.
Fig. 5 is a schematic view of a first-state structure of a ship balcony sectional installation hanger according to another embodiment of the present invention, fig. 6 is a schematic view of a second-state structure of a ship balcony sectional installation hanger according to another embodiment of the present invention, and fig. 7 is a schematic view of a flow of a ship balcony sectional installation hanger according to another embodiment of the present invention. As shown in fig. 5 and 6, and fig. 7, in an embodiment, the releasing the pressing tool 2 and turning over the main board 10 of the balcony splice plate includes:
s201, loosening the pressing tool 2, connecting the first hanging weight 5 to one end of the main board 10 of the splicing plate on the balcony of the ship, and connecting the second hanging weight 6 to the middle of the upward surface.
The step provides a concrete step of connecting a first hanger 5 and a second hanger 6 on a main board 10 of a splicing plate of a balcony of a ship in a turnover process.
And S202, hoisting the ship balcony spliced main board 10 to be suspended through the first hoisting device 5 and the second hoisting device 6 by using hoisting equipment.
This step provides a specific step of hoisting the balcony spliced crew of the ship by the first crane yard 5 and the second crane yard 6.
And S203, connecting a third crane 7 to the other surface of the main plate 10 of the ship balcony splicing plate.
This step provides a third hanger 7 connected to the other side of the main plate 10 of the balcony splice plate of the ship. Because the ship balcony spliced main board 10 is in a suspended state, both sides of the ship balcony spliced main board 10 can be welded and hung.
And S204, turning over the ship balcony spliced main board 10 by using the hoisting equipment through the first hoisting device 5 and the third hoisting device 7 and placing the ship balcony spliced main board back on the platform.
This step provides a specific step of splicing and turning over the suspended ship balcony main board 10 by using the first hanger 5 and the third hanger 7.
In the present embodiment, a specific embodiment of splicing the balcony jointed main plate 10 of the ship is provided. Firstly, the pressing tool 2 is loosened, one end of the main board 10 of the balcony splicing plate of the ship is connected with the first hoisting code 5, and the middle of the upward surface of the main board is connected with the second hoisting code 6. Due to the structural characteristics of the shape of the spliced main board 10 for the balcony of the ship, the spliced main board for the balcony of the ship is easy to bend and deform during turnover, and even if the flitch 4 is arranged at the welding seam, the problem of turnover deformation cannot be completely overcome, so that the following steps are adopted in the turnover process to prevent the turnover deformation of the spliced main board 10 for the balcony of the ship. Selecting a suitable acting point to lift and turn over the ship balcony spliced main board 10 is very critical, as the ship balcony spliced main board 10 of the plate-shaped structure, welding the first hanging code 5 at one end edge, welding the second hanging code 6 in the middle of the ship balcony spliced main board 10, utilizing a hoisting device to lift and suspend the ship balcony spliced main board 1 through the first hanging code 5 and the second hanging code 6, connecting the third hanging code 7 on the other side of the ship balcony spliced main board 1, connecting the third hanging code 7 in the middle of the ship balcony spliced main board 10, and only after the ship balcony spliced main board 10 is suspended, exposing the other side of the ship balcony spliced main board 10 out, so adopting the steps to weld the third hanging code 7, utilizing the hoisting device to turn over and place the ship balcony spliced main board 10 back on the platform through the first hanging code 5 and the third hanging code 7.
With the above embodiment, it can be ensured that the ship balcony spliced main board 10 is not deformed and bent during the turn-over process, and the ship balcony spliced main board 1 is not deformed and bent during the turn-over process through the reasonable arrangement of the first hanging yard 5, the second hanging yard 6 and the third hanging yard 7. In addition, after all the building processes of the ship balcony section are completed, the first hanging weight 5, the second hanging weight 6 and the third hanging weight 7 can be removed by an angle grinder.
Fig. 8 is a schematic structural view of a sectional material installed before sectional lifting of a balcony section according to another embodiment of the present invention, fig. 9 is a schematic structural view of a welding position sequence of the sectional material and a reinforcing bar beam according to another embodiment of the present invention, and fig. 10 is a schematic structural view of a welding process of the sectional material and the reinforcing bar beam according to another embodiment of the present invention. As shown in fig. 8 and 9, and fig. 10, in an embodiment, before the step of loosening the pressing tool 2 and connecting the first hanger 5 to one end of the main plate 10 of the balcony splice plate of the ship and connecting the second hanger 6 to the middle of the upward surface, the method comprises:
and S301, welding at least one section bar 8 on one upward surface of the main plate 10 of the ship balcony splicing plate along a preset direction.
In this step, a specific step of welding the section bar 8 on the main plate 10 of the ship balcony splice plate is provided.
S302, welding a reinforcing rib beam 9 on one upward surface of the ship balcony splice plate main board 10, wherein the arrangement direction of the reinforcing rib beam 9 and the preset direction form a preset included angle, and the component 3 comprises a section bar 8. The member 3 may also comprise other structural members that can be connected to the main plate 10 of the balcony splice.
A specific step of welding the reinforcing bar beam 9 is provided in this step.
In the present embodiment, a specific embodiment of welding the reinforcing bar beam 9 is provided. The sectional material 8 is used for improving the strength of the main board 10, so that at least one sectional material 8 is welded on the upward surface of the main board 10 along a predetermined direction. Preferably, the at least one section bar 8 is a plurality of section bars, and is arranged according to the strength requirement of the main plate 10 of the ship balcony splicing plate, and the section bars 8 can be angle steel, and are welded from the middle to two ends of the section bars 8 during welding. And welding a reinforcing rib beam 9 on one surface of the main board 10 of the ship balcony splicing board facing upwards, wherein the arrangement direction of the reinforcing rib beam 9 and the preset direction form a preset included angle. Preferably, the welded reinforcement beam 9 is a 20-channel steel, and the welded reinforcement beam 9 and the profile 8 may be vertically arranged. Of course, the profile 8 can be welded to the ship balcony splice plate main plate 10 in multiple directions.
In an embodiment, after the step of loosening the pressing tool 2 and turning over the ship balcony splice plate main board 10, the method further includes:
and carrying out double-line back burning along the welding line.
In this example, a specific embodiment of a double-strand back-firing along the weld is provided. After the ship balcony splice plate main board 10 is turned over, double-line back burning is carried out on all welding seam positions at the temperature of 600-700 ℃ until the steel plate is heated to be dark red, and welding stress is released.
Fig. 8 is a schematic structural view of a ship balcony with T rows of connecting beams installed in segments according to another embodiment of the invention. As shown in fig. 11, in an embodiment, after the step of performing the re-welding along the welding seam to obtain the balcony section of the ship, the method further includes:
a plurality of T-row connecting beams 101 are welded on the ship balcony splicing plate main plate 10 side by side, the T-row connecting beams 101 in the middle are welded firstly, then the T-row connecting beams 101 at two ends are welded, and finally the T-row connecting beams 101 between the middle and two ends are welded.
A specific step of welding the T-row connection beam 101 is provided in the present embodiment. The T-row connecting beams 101 are used for welding a subsequent structure, and in order to further control the welding deformation of the main board 10 of the ship balcony splicing plate, the T-row connecting beams 101 in the middle are welded firstly, then the T-row connecting beams 101 at two ends are welded, and finally the T-row connecting beams 101 from the middle to two ends are welded.
The final welding precision can be kept within +/-5 mm of the main dimension (length-width diagonal), +/-4 mm between two sectional materials and +/-6 mm between two T-row connecting beams 101. 8 verticality +/-2 mm of the section bar, and the verticality of the T-row connecting beam 101 is 1.5 mm.
Fig. 12 is a schematic structural view of a balcony cantilever beam for sectional mounting of a balcony of a ship according to another embodiment of the present invention. As shown in fig. 12, in an embodiment, after the step of welding a plurality of T rows of tie beams 101 side by side on the main board 10 of the balcony splice board, welding the T rows of tie beams 101 in the middle, welding the T rows of tie beams 101 at the two ends, and finally welding the T rows of tie beams 101 from the middle to the two ends, the method includes:
at least one balcony cantilever beam 102 is connected along the length direction of the T-row connecting beam 101 in a predetermined interval arrangement.
A specific embodiment of mounting balcony cantilevers 102 along the T-row connecting beams 101 is also provided in this embodiment. One end of the balcony cantilever beam 102 is welded on the T-row connecting beam 101, and the other end is suspended and extended out. A plurality of balcony cantilever beams 102 can be connected to one T row of tie-beams 101 in the direction, up to main size (length and width diagonal) ± 5mm, span ± 1 mm. The distance between the two section bars is +/-4 mm, and the distance between the two T-row connecting beams is +/-6 mm. 8 verticality +/-2 mm of the section bar, and the verticality of the T-row connecting beam 101 is 1.5 mm. The verticality of the balcony cantilever beams 102 is +/-2 mm, the straightness is +/-2 mm, and the deviation of the balcony cantilever beams 102 is +/-2 mm relative to the row of connecting beams 101. All accuracy errors are within the required range.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (10)
1. A ship balcony section, characterized in that the ship balcony section comprises:
the plurality of ship balcony splicing plates are welded along preset welding lines;
the welding process comprises the following steps:
placing a plurality of ship balcony splicing plates on the platform and splicing the ship balcony splicing plates along the welding line according to a preset splicing mode; pressing the ship balcony splicing plates and the platform along two sides of the welding line through a pressing tool; welding the plurality of ship balcony jointed boards along the welding seams according to a preset welding path to obtain a ship balcony jointed board main board; loosening the pressing tool and turning over the main board of the ship balcony splice plate; and carrying out secondary welding along the welding line to obtain the ship balcony section.
2. The marine balcony section according to claim 1, wherein the marine balcony section comprises:
at least one component mounted on the ship balcony splice plate main plate;
the welding process further comprises:
and after the step of re-welding along the welding line, mounting the component on the main board of the ship balcony splice board.
3. A method of welding balcony sections of a ship, the method comprising:
placing a plurality of preset ship balcony jointed boards on a platform, and mutually splicing the jointed boards along a welding line according to a preset splicing mode;
pressing the ship balcony splicing plates and the platform along two sides of the welding line through a pressing tool;
welding the plurality of ship balcony jointed boards along the welding seams according to a preset welding path to obtain a ship balcony jointed board main board;
loosening the pressing tool and turning over the main board of the ship balcony splice plate;
and carrying out secondary welding along the welding line to obtain the ship balcony section.
4. The method for welding a balcony section of a ship according to claim 3, wherein after the step of re-welding along the welding line to obtain the balcony section of the ship, the method further comprises:
and installing the component on the main board of the ship balcony splice board.
5. The method for welding balcony sections of ship balcony according to claim 3, wherein before the step of loosening the pressing tool and turning the main board of the balcony splice plate, the method further comprises:
and mounting the flitch along the welding line, wherein the flitch spans two sides of the welding line and is welded on the main board of the ship balcony splice board.
6. The welding method for the balcony section of the ship balcony according to claim 3, wherein the loosening of the pressing tool and the turning of the main board of the balcony splice plate comprises the following steps:
loosening the pressing tool, connecting a first hanging weight at one end of the main board of the ship balcony splice plate, and connecting a second hanging weight at the middle part of the upward surface;
hoisting the ship balcony spliced main board to be suspended through the first hoisting code and the second hoisting code by using hoisting equipment;
connecting a third hanging weight on the other surface of the main board of the ship balcony splice board;
and turning over and placing the ship balcony spliced main board back to the platform by utilizing the hoisting equipment through the first hoisting code and the third hoisting code.
7. The method for welding balcony sections of ship according to claim 6, wherein the step of loosening the pressing tool and connecting a first hanger to one end of the main plate of the balcony splice plate and connecting a second hanger to the middle of the upward side comprises the steps of:
welding at least one section bar on one upward surface of the main board of the ship balcony splice plate along a preset direction;
and welding a reinforcing rib beam on one surface of the main board of the ship balcony splice plate facing upwards, wherein the arrangement direction of the reinforcing rib beam and the preset direction form a preset included angle.
8. The method for welding balcony sections of ship balcony according to claim 7, wherein after the step of loosening the pressing tool and turning over the main board of the balcony splice plate, the method further comprises:
and carrying out double-line back burning along the welding line.
9. The method for welding a balcony section of a ship according to claim 8, wherein after the step of re-welding along the welding line to obtain the balcony section of the ship, the method further comprises:
a plurality of T-row connecting beams are welded on the main board of the ship balcony splicing board side by side, the middle part of the T-row connecting beams are welded firstly, the two ends of the T-row connecting beams are welded, and the middle part of the T-row connecting beams is welded to the two ends of the T-row connecting beams.
10. The welding method for balcony sections of ships according to claim 6, wherein after the step of welding a plurality of T-row connecting beams side by side on the main slabs of the balcony splicing plate of the ships, welding the T-row connecting beams at the middle part, welding the T-row connecting beams at the two ends, and finally welding the T-row connecting beams between the middle part and the two ends, the method comprises:
and at least one balcony cantilever beam is connected along the length direction of the T-row connecting beams in a preset interval arrangement mode.
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|---|---|---|---|
| CN202111236407.0A CN113879484A (en) | 2021-10-22 | 2021-10-22 | Ship balcony section and welding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111236407.0A CN113879484A (en) | 2021-10-22 | 2021-10-22 | Ship balcony section and welding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115158587A (en) * | 2022-08-11 | 2022-10-11 | 上海外高桥造船有限公司 | Sectional installation method and overturning and hoisting method for balcony outer plate of mail steamer |
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