CN112158314A - Construction method for narrow space of ship structure - Google Patents
Construction method for narrow space of ship structure Download PDFInfo
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- CN112158314A CN112158314A CN202010925550.XA CN202010925550A CN112158314A CN 112158314 A CN112158314 A CN 112158314A CN 202010925550 A CN202010925550 A CN 202010925550A CN 112158314 A CN112158314 A CN 112158314A
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 81
- 210000001503 joint Anatomy 0.000 claims description 35
- 239000000919 ceramic Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 13
- 230000004927 fusion Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 230000008093 supporting effect Effects 0.000 description 10
- 238000009825 accumulation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects 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
- B63B73/40—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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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Abstract
The invention relates to the technical field of ships and discloses a construction method for a narrow ship structure space.A lower web plate is arranged between web plates of two adjacent first T-shaped supports, the bottom of the lower web plate is abutted with a bottom plate, the side parts of the lower web plate are respectively abutted with the web plates of two adjacent second T-shaped supports, and the welding between the lower web plate and the bottom plate and between the lower web plate and the web plates of the two adjacent second T-shaped supports are completed; an upper web plate is arranged at the top of the lower web plate, and the upper web plate and the web plates of two adjacent second T-shaped supports are welded; and (3) installing the lengthened panel between the panels of the two adjacent first T-shaped brackets, and completing the welding of the periphery of the lengthened panel, the panel of the first T-shaped bracket and the panel of the second T-shaped bracket. By adopting the construction method for the ship structure with the narrow space, the construction difficulty of a constructor can be effectively reduced, the welding construction can be completed, and the installation quality and the structural strength of a newly added structure can be ensured.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a construction method for a narrow ship structure space.
Background
At present, at the initial design and detailed process stage of a ship, a designer can perform stress analysis and strength calculation on a ship structure of the ship and select a proper structure type and specification so as to meet the standard requirement of the ship, and the design stage is more focused on theoretical design. In the stage of ship production design, the design is directly used for shipyard construction and production, so that on the basis of the original detailed design, the structural form of the original design needs to be optimized and improved on the premise of meeting the strength requirement, the structural manufacturability is improved, and the field construction requirement is met.
In the single-bottom structure area at the tail part of the ship, a local longitudinal girder structure is newly added at the equipment installation position for equipment installation due to the requirement of installing ship equipment. Because the position of the newly added structure is required to be consistent with the positioning of the equipment base, the distance between the newly added structure and the original structure is too close, a narrow space area is formed between the newly added structure and the original structure, and workers in the formed narrow area cannot enter to perform welding construction.
Disclosure of Invention
The purpose of the invention is: the construction method for the narrow part of the ship structure space can effectively reduce the construction difficulty of a constructor to complete welding construction, and meanwhile, the installation quality and the structural strength of a newly added structure are guaranteed.
In order to achieve the above object, the present invention provides a construction method for a ship structure with a narrow space, wherein the ship structure with a narrow space comprises a plurality of first T-shaped supports arranged in parallel and at intervals and a plurality of second T-shaped supports arranged in parallel and at intervals, the first T-shaped supports and the second T-shaped supports are arranged vertically, the first T-shaped supports and the second T-shaped supports respectively comprise a panel and a web plate which are vertically connected, the panel is parallel to a horizontal plane, the bottom end of the web plate is connected with a bottom plate of a ship, and the top end of the web plate is connected with the panel, comprising the following steps:
s1, installing a lower web plate between web plates of two adjacent first T-shaped supports which are arranged in parallel, wherein the lower web plate and the web plate of the first T-shaped support are arranged in parallel at intervals, the bottom of the lower web plate is abutted with the bottom plate, the side parts of the lower web plate are respectively abutted with the web plates of two adjacent second T-shaped supports, and welding between the lower web plate and the bottom plate and between the lower web plate and the web plates of two adjacent second T-shaped supports is completed;
s2, installing an upper web plate on the top of the lower web plate, wherein the length of the upper web plate is equal to that of the lower web plate, the width of the upper web plate is equal to that of the lower web plate, and welding between the upper web plate and the lower web plate, and between the upper web plate and the web plates of two adjacent second T-shaped brackets is completed;
s3, installing a lengthened panel between the panels of the two adjacent first T-shaped supports, wherein the bottom surface of the lengthened panel is abutted to the top surface of the upper web plate, the lengthened panel is arranged in parallel with the upper surface of the panel, and the periphery of the lengthened panel is welded with the panels of the first T-shaped supports and the panels of the second T-shaped supports.
Preferably, in step S1, the corner seam welding is performed on the outer side of the lower web, and then the corner seam welding is performed on the inner side.
Preferably, the side of the upper web and the lower web close to the first T-shaped bracket is defined as an inner side, the side of the upper web and the lower web far from the first T-shaped bracket is defined as an outer side,
in the step S1, a welding groove is formed in the lower web plate, deep fusion welding grooves are formed in the left side and the right side of the lower web plate, and the deep fusion welding grooves are formed in the outer side of the lower web plate; the top of the lower web plate is provided with a butt joint ceramic gasket groove which is positioned on the outer side of the top of the lower web plate.
Preferably, in step S2, fillet welding between the left and right sides of the upper web and the webs of two adjacent first T-shaped brackets is completed, and then butt welding between the bottom of the upper web and the top of the lower web is completed.
Preferably, the side of the upper web and the lower web close to the first T-shaped bracket is defined as an inner side, the side of the upper web and the lower web far from the first T-shaped bracket is defined as an outer side,
the left and right sides of going up the web has all been seted up the side ceramic lining groove, the side ceramic lining groove is seted up go up the outside of web, the top steel lining groove has been seted up at the top of going up the web, the top steel lining groove is seted up go up the outside at the top of web, the butt joint groove has been seted up to the bottom of going up the web, the butt joint groove is seted up go up the outside of the bottom of web.
Preferably, step S2 specifically includes:
spot welding the upper web plate, the lower web plate and the web plate of the first T-shaped bracket on the outer side of the upper web plate;
attaching a corner joint ceramic liner at the corner weld joint between the left side and the right side of the upper web plate and the web plates of two adjacent first T-shaped brackets at the inner side of the upper web plate, and attaching a butt joint ceramic liner at the butt joint of the upper web plate and the lower web plate;
and (3) welding the corner joints between the left side and the right side of the upper web on the outer side of the upper web and the webs of the two adjacent first T-shaped brackets and the butt joints of the upper web and the lower web, and finishing the welding of the corner joints and the butt joints by single-side welding and double-side forming.
Preferably, the method further comprises the following steps after the welding of the corner joint and the butt joint which are formed by single-side welding and double-side forming is finished: tearing off the angle joint ceramic liner and the butt joint ceramic liner, and cleaning welding slag.
Preferably, in step S3, steel gaskets are mounted on the face plates and the upper webs of the two adjacent first T-shaped brackets, one part of the steel gaskets is connected to the face plates and the upper webs of the two adjacent first T-shaped brackets, and the other part of the steel gaskets is used for overlapping the lengthened face plates.
Preferably, the steel liner is 15-25 mm wide and 6-10 mm thick.
Preferably, the height of the lower web is in the range of 40-60 cm.
Compared with the prior art, the construction method for the narrow space of the ship structure has the beneficial effects that:
according to the construction method for the ship structure in the narrow space, the newly-added supporting device is changed into the upper web plate, the lower web plate and the lengthened panel which are connected in a welding mode, the supporting effect is met, meanwhile, the upper web plate, the lower web plate and the lengthened panel are welded separately in the welding process, the height of the lower web plate is lower than that of the web plate of the traditional newly-added supporting device, the welding difficulty is reduced, the fillet welding in the narrow space can be guaranteed to be capable of being used for construction welding, the lengthened panel is arranged, the narrow space is covered, a local closed space is formed, the situation that water accumulation and oil accumulation in the narrow space are difficult to treat is avoided, and the maintenance of a ship body is facilitated.
Drawings
FIG. 1 is a top view of a narrow space structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the structure of an additional support device according to an embodiment of the present invention, the cross-sectional view being taken at A-A in FIG. 1;
FIG. 3 is a schematic structural view of a double-sided weld at a corner joint of a lower web according to an embodiment of the present invention, and a cross-sectional view at B-B in FIG. 2;
FIG. 4 is a schematic structural view of a single-side weld of a web corner joint plus ceramic liner according to an embodiment of the present invention, shown in cross-section at C-C in FIG. 2;
FIG. 5 is a schematic structural view of a single-side weld of a steel liner at a corner joint of an upper web according to an embodiment of the present invention, and a cross-sectional view taken at D-D in FIG. 2;
FIG. 6 is a schematic view of a single-side-welded structure of a ceramic liner at the butt joint of an upper web and a lower web according to an embodiment of the present invention, as seen in a cross-sectional view at E-E in FIG. 2;
FIG. 7 is a schematic view showing an installation state of an extended panel according to an embodiment of the present invention;
FIG. 8 is a flow chart of a construction method for a ship with a narrow structural space according to an embodiment of the present invention;
in the figure, 1, a first T-shaped bracket, 11, a panel of the first T-shaped bracket, 12, a web plate of the first T-shaped bracket, 2, a second T-shaped bracket, 21, a web plate of the second T-shaped bracket, 3, a newly-added supporting device, 4, an elongated panel, 5, a lower web plate, 6, an upper web plate, 7, a bottom plate, 8, an angle joint ceramic liner, 9, a steel liner, 10 and a butt joint ceramic liner.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the narrow space of the ship structure in the embodiment of the present invention refers to the ship structure shown in fig. 1, the first T-shaped brackets 1 and the second T-shaped brackets 2 are arranged in parallel and at intervals, the first T-shaped brackets 1 and the second T-shaped brackets 2 are arranged vertically, the first T-shaped brackets 1 and the second T-shaped brackets 2 both include vertically connected panels and webs, the panel 11 of the first T-shaped bracket is perpendicular to the web 12 of the first T-shaped bracket, the panel of the second T-shaped bracket 2 is perpendicular to the web 21 of the second T-shaped bracket, the panel 11 of the first T-shaped bracket and the panel of the second T-shaped bracket 2 are both substantially parallel to the horizontal plane, the bottom ends of the web 12 of the first T-shaped bracket and the web 21 of the second T-shaped bracket are both connected to the bottom plate 7 of the ship, the top end of the web 12 of the first T-shaped bracket is connected to the panel 11 of the first T-shaped bracket, the top of the web 21 of second T type support links to each other with the panel of second T type support 2, and when needs installation marine installation, need install newly-increased strutting arrangement 3 between two adjacent first T type supports 1 to reach the effect of support, however newly-increased strutting arrangement 3 is T type structure usually, because newly-increased strutting arrangement 3's panel will be with the undersize of original distance between the first T type support 1 this moment, when welding newly-increased strutting arrangement 3, operating personnel's hand is inconvenient to be stretched into. In this embodiment, the small space of the ship structure is the space between the newly added supporting device 3 and the original first T-shaped bracket 1.
Referring to fig. 1 to 8, a method for constructing a ship structure in a narrow space according to a preferred embodiment of the present invention includes the following steps:
s1, mounting a lower web 5 between webs 12 of two adjacent first T-shaped supports arranged in parallel, arranging the lower web 5 and the webs 12 of the first T-shaped supports in parallel at intervals, abutting the bottom of the lower web 5 against a bottom plate 7, abutting the side parts of the lower web 5 against webs 21 of two adjacent second T-shaped supports respectively, and completing the welding between the lower web 5 and the bottom plate 7 and between the lower web 5 and the webs 21 of the two adjacent second T-shaped supports;
s2, installing an upper web 6 on the top of the lower web 5, wherein the length of the upper web 6 is equal to that of the lower web 5, the width of the upper web 6 is equal to that of the lower web 5, and welding between the upper web 6 and the lower web 5, and between the upper web 6 and the webs 21 of two adjacent second T-shaped brackets is completed;
s3, install extension panel 4 between the panel 11 of two adjacent first T type supports, the bottom surface of extension panel 4 and the top surface looks butt of last web 6, extension panel 4 sets up with the upper surface parallel and level of panel, accomplish the peripheral welding with the panel 11 of first T type support and the panel of second T type support 2 of extension panel 4, with narrow and small space closing cap, form local enclosure space, avoid narrow and small space ponding, the condition that the long and small oil stain is difficult to handle.
Based on above technical scheme, through last web 6 that changes into the welding with newly-increased strutting arrangement 3 and link to each other, lower web 5 and extension panel 4, when satisfying the supporting role, because last web 6, lower web 5 and extension panel 4 separately weld when the welding, the height of the more traditional newly-increased strutting arrangement 3's of height of lower web 5 is low, the welded degree of difficulty has been reduced, guarantee narrow and small space's fillet weld can the construction welding, through setting up extension panel 4, thereby with narrow and small space closing cap, form local enclosure space, ponding in the narrow and small space is avoided, the emergence of the condition that the long-pending oil dirt is difficult to handle, the maintenance of the hull of being convenient for.
Further, in step S1, the corner seam welding on the outer side of the lower web 5 is completed, and the corner seam welding on the inner side is completed. From this, when carrying out fillet weld to lower web 5, the operator can stand in the outside of keeping away from original hull structure, accomplishes earlier the fillet weld welding of keeping away from one side of original hull structure, stretches into the one side that is close to original hull structure with the arm again, accomplishes the fillet weld welding of being close to original hull structure one side, and the operator of being convenient for operates.
Specifically, one side of the upper web 6 and the lower web 5 close to the first T-shaped bracket 1 is defined as an inner side, one side of the upper web 6 and the lower web 5 away from the first T-shaped bracket 1 is defined as an outer side, in step S1, a welding groove is formed in the lower web 5, a deep fusion welding groove is formed in each of the left side and the right side of the lower web 5, and the deep fusion welding groove is formed in the outer side of the lower web 5; the top of the lower web plate 5 is provided with a groove of a butt-joint ceramic liner 10, and the groove of the butt-joint ceramic liner 10 is positioned on the outer side of the top of the lower web plate 5. By arranging the reasonable groove and the corresponding welding liner, the single-side welding and double-side forming process is realized, and the welding operation is convenient.
Further, in step S2, fillet welding between the left and right sides of the upper web 6 and the webs 12 of the two adjacent first T-shaped brackets is completed, and then butt welding between the bottom of the upper web 6 and the top of the lower web 5 is completed.
Specifically, with last web 6 and lower web 5 be close to one side definition of first T type support 1 for the inboard, with the one side definition that first T type support 1 was kept away from to last web 6 and lower web 5 for the outside, the side ceramic liner groove has all been seted up to the left and right sides of going up web 6, the outside at last web 6 is seted up to the side ceramic liner groove, 9 grooves in top steel liner have been seted up at the top of going up web 6, 9 grooves in top steel liner set up the outside at the top of last web 6, the butt joint groove has been seted up to the bottom of going up web 6, the butt joint groove is seted up in the outside of the bottom of last web 6. By arranging the reasonable groove and the corresponding welding liner, the single-side welding and double-side forming process is realized, and the welding operation is convenient.
In this embodiment, step S2 specifically includes:
spot welding the upper web 6, the lower web 5 and the web 12 of the first T-shaped bracket outside the upper web 6;
attaching fillet ceramic liners 8 to fillet welds between the left side and the right side of the upper web 6 and webs 12 of two adjacent first T-shaped brackets and attaching butt ceramic liners 10 to butt welds between the upper web 6 and the lower web 5 on the inner side of the upper web 6;
and (3) welding corner joints between the left side and the right side of the upper web 6 on the outer side of the upper web 6 and the web plates 12 of the two adjacent first T-shaped brackets and butt joints of the upper web 6 and the lower web 5, and finishing the welding of the corner joints and the butt joints by single-side welding and double-side forming.
Specifically, when the two ends of the upper web 6 are fillet welded, an operator stands outside the original hull structure, spot welding is carried out between the structures needing to be connected of the upper web 6 and the upper web 6 for fixing, then an arm is stretched into one side close to the original hull structure, a fillet ceramic liner 8 is pasted at the fillet weld, and a butt ceramic liner 10 is pasted at the butt weld. And finally, welding the corner joint and the butt joint on one side far away from the original hull structure to finish the work of welding the corner joint and the butt joint in a single-side welding and double-side forming manner.
Preferably, the method further comprises the following steps after the welding of the corner joint and the butt joint for single-side welding and double-side forming is completed: and tearing off the angle joint ceramic liner 8 and the butt joint ceramic liner 10, and cleaning welding slag.
Specifically, in step S3, the steel spacers 9 are mounted on the panels 11 and the upper web 6 of the two adjacent first T-shaped brackets, and a part of the steel spacers 9 is connected to the panels 11 and the upper web 6 of the two adjacent first T-shaped brackets, and another part is used for overlapping the elongated panels 4. Half of the steel lining 9 is in the structure of the panel and the upper web 6, and the other half is outside the structure of the panel and the upper web 6, so that the lengthened panel 4 can be directly placed on the steel lining 9. Because the steel liner 9 is additionally arranged, the corner joint of the panel and the upper web 6 and the butt joint of the lengthened panel 4 and the panel can adopt single-side welding, and the operation is simple and convenient.
It should be noted that, when the construction method of the ship structure in the narrow space according to the embodiment of the present invention is used, if a new supporting device 3 is added to the ship structure that has been constructed and modified, the narrow space is covered by adding the extension panel 4, and if the ship structure is newly designed and constructed, the extension panel 4, the peripheral panel 11 of the first T-shaped bracket and the peripheral panel 21 of the second T-shaped bracket may be designed as a whole large cover plate, and then the cover plate is covered over the first T-shaped bracket 1, the second T-shaped bracket 2 and the upper web 6.
Preferably, the steel lining 9 is a steel lining 9 of 15-25 mm width and 6-10 mm thickness, so that it has sufficient strength to support the elongated panel 4.
Preferably, the height of the lower web 5 is in the range of 40-60 cm, in this embodiment, the height of the lower web 5 is 50cm, thereby ensuring that the worker can perform fillet welding at the lower web 5 and the ship bottom plate 7 by holding a welding gun.
In summary, the embodiment of the invention provides a construction method for a narrow part of a ship structure space, which changes a newly-added supporting device 3 into an upper web 6, a lower web 5 and a lengthened panel 4 which are connected in a welding manner, so that the supporting effect is satisfied, and simultaneously, the upper web 6, the lower web 5 and the lengthened panel 4 are separately welded during welding, the height of the lower web 5 is lower than that of the web of the traditional newly-added supporting device 3, the welding difficulty is reduced, the fillet welding of the narrow space can be ensured to be constructed and welded, and the lengthened panel 4 is arranged, so that the narrow space is covered to form a local closed space, the situations of water accumulation and oil accumulation in the narrow space which are difficult to treat are avoided, and the maintenance of a ship body is convenient.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a narrow and small department construction method in boats and ships structural space, the narrow and small department in boats and ships structural space includes the first T type support that a plurality of parallels and interval set up and the second T type support that a plurality of parallels and interval set up, first T type support reaches second T type support sets up perpendicularly, first T type support reaches second T type support all includes perpendicular continuous panel and web, the panel is parallel with the horizontal plane, the bottom of web links to each other with the bottom plate of boats and ships, the top of web with the panel links to each other, its characterized in that, includes following step:
s1, installing a lower web plate between web plates of two adjacent first T-shaped supports which are arranged in parallel, wherein the lower web plate and the web plate of the first T-shaped support are arranged in parallel at intervals, the bottom of the lower web plate is abutted with the bottom plate, the side parts of the lower web plate are respectively abutted with the web plates of two adjacent second T-shaped supports, and welding between the lower web plate and the bottom plate and between the lower web plate and the web plates of two adjacent second T-shaped supports is completed;
s2, installing an upper web plate on the top of the lower web plate, wherein the length of the upper web plate is equal to that of the lower web plate, the width of the upper web plate is equal to that of the lower web plate, and welding between the upper web plate and the lower web plate, and between the upper web plate and the web plates of two adjacent second T-shaped brackets is completed;
s3, installing a lengthened panel between the panels of the two adjacent first T-shaped supports, wherein the bottom surface of the lengthened panel is abutted to the top surface of the upper web plate, the lengthened panel is arranged in parallel with the upper surface of the panel, and the periphery of the lengthened panel is welded with the panels of the first T-shaped supports and the panels of the second T-shaped supports.
2. The method of constructing a ship in a narrow space according to claim 1, wherein in step S1, the corner seam welding is performed on the outer side of the lower web and then on the inner side.
3. The method of constructing a ship in a narrow space according to claim 2, wherein the side of the upper and lower webs adjacent to the first T-shaped bracket is defined as an inner side, and the side of the upper and lower webs remote from the first T-shaped bracket is defined as an outer side,
in the step S1, a welding groove is formed in the lower web plate, deep fusion welding grooves are formed in the left side and the right side of the lower web plate, and the deep fusion welding grooves are formed in the outer side of the lower web plate; the top of the lower web plate is provided with a butt joint ceramic gasket groove which is positioned on the outer side of the top of the lower web plate.
4. The construction method of a narrow space of a ship structure according to claim 1, wherein in step S2, fillet welding between the left and right sides of the upper web and the webs of two adjacent first T-shaped brackets is performed, and then butt welding between the bottom of the upper web and the top of the lower web is performed.
5. The method of constructing a ship in a narrow space according to claim 4, wherein the side of the upper and lower webs adjacent to the first T-shaped bracket is defined as an inner side, and the side of the upper and lower webs remote from the first T-shaped bracket is defined as an outer side,
the left and right sides of going up the web has all been seted up the side ceramic lining groove, the side ceramic lining groove is seted up go up the outside of web, the top steel lining groove has been seted up at the top of going up the web, the top steel lining groove is seted up go up the outside at the top of web, the butt joint groove has been seted up to the bottom of going up the web, the butt joint groove is seted up go up the outside of the bottom of web.
6. The construction method for the ship structure in the narrow space according to claim 5, wherein the step S2 specifically includes:
spot welding the upper web plate, the lower web plate and the web plate of the first T-shaped bracket on the outer side of the upper web plate;
attaching a corner joint ceramic liner at the corner weld joint between the left side and the right side of the upper web plate and the web plates of two adjacent first T-shaped brackets at the inner side of the upper web plate, and attaching a butt joint ceramic liner at the butt joint of the upper web plate and the lower web plate;
and (3) welding the corner joints between the left side and the right side of the upper web on the outer side of the upper web and the webs of the two adjacent first T-shaped brackets and the butt joints of the upper web and the lower web, and finishing the welding of the corner joints and the butt joints by single-side welding and double-side forming.
7. The construction method of a ship structure in a narrow space according to claim 6, wherein the step of welding the corner joint and the butt joint in a single-sided welding and double-sided forming manner further comprises the following steps: tearing off the angle joint ceramic liner and the butt joint ceramic liner, and cleaning welding slag.
8. The method of claim 1, wherein in step S3, steel spacers are attached to the panels and the top webs of the two adjacent first T-shaped brackets, and a portion of the steel spacers are connected to the panels and the top webs of the two adjacent first T-shaped brackets and another portion of the steel spacers are used to overlap the elongated panels.
9. The method for constructing a ship in a narrow space according to claim 8, wherein the steel lining is 15-25 mm wide and 6-10 mm thick.
10. The method for constructing a ship in a narrow space according to any one of claims 1 to 9, wherein the height of the lower web is in the range of 40-60 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925550.XA CN112158314B (en) | 2020-09-04 | 2020-09-04 | Construction method for narrow space of ship structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925550.XA CN112158314B (en) | 2020-09-04 | 2020-09-04 | Construction method for narrow space of ship structure |
Publications (2)
| Publication Number | Publication Date |
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| CN112158314A true CN112158314A (en) | 2021-01-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115026452A (en) * | 2022-05-27 | 2022-09-09 | 沪东中华造船(集团)有限公司 | Welding method for composite dome sealing plate of liquid cargo hold containment system |
| CN115026452B (en) * | 2022-05-27 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Welding method for composite vault sealing plate of liquid cargo tank containment system |
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| CN115026452B (en) * | 2022-05-27 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Welding method for composite vault sealing plate of liquid cargo tank containment system |
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| CN112158314B (en) | 2022-09-02 |
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Application publication date: 20210101 Assignee: GUANGZHOU WENCHONG SHIPYARD Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980037695 Denomination of invention: A Construction Method for Narrow Space of Ship Structures Granted publication date: 20220902 License type: Common License Record date: 20230706 |
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Denomination of invention: A construction method for narrow spaces in ship structures Effective date of registration: 20231219 Granted publication date: 20220902 Pledgee: Shanghai Pudong Development Bank Limited by Share Ltd. Guangzhou branch Pledgor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Registration number: Y2023980072271 |