CN115743462B - Ship false rudder construction method - Google Patents
Ship false rudder construction method Download PDFInfo
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- CN115743462B CN115743462B CN202211521292.4A CN202211521292A CN115743462B CN 115743462 B CN115743462 B CN 115743462B CN 202211521292 A CN202211521292 A CN 202211521292A CN 115743462 B CN115743462 B CN 115743462B
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- rudder
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- 238000010276 construction Methods 0.000 title abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 52
- 238000005192 partition Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000010437 sandpainting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a method for constructing a ship false rudder, which comprises an upright post, a port outer plate, a plurality of transverse partition plates with different widths, a starboard outer plate and a bottom plate, and comprises the following steps: s1. scribing a welding line on the inner side surface of the port outer plate according to a design drawing; s2, respectively welding a strip-shaped mounting plate at the right end of each transverse partition plate; s3. respectively welding the left end of each transverse partition plate with the inner side surface of the port outer plate according to a corresponding welding line; s4. drawing open hole lines on the outer side surface of the starboard outer plate according to a design drawing, and forming a plurality of plug welding holes on each open hole line; s5. the starboard outer plate and the port outer plate are symmetrically assembled and welded with the corresponding strip-shaped mounting plates through plug welding holes; s6. bottom plates are assembled at the bottoms of the port outer plate and the starboard outer plate, and the first groove and the second groove are symmetrically welded. The method has the advantages of high welding precision, high construction strength of the false rudder and more attractive appearance by optimizing the existing assembly sequence and welding method.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a ship false rudder construction method.
Background
In order to improve the flow field in the ship advancing process, the stability of ship navigation is increased, and a pseudo rudder structure is increased in the ship design process. At present, in the construction process of the false rudder, firstly, transverse partition plates are welded on the inner side surface of a left side outer plate in sequence, then, a right side outer plate is assembled, the right side outer plate and the left side outer plate are symmetrically assembled, the right side outer plate is welded with the transverse partition plates, finally, a bottom plate is assembled, one side of the bottom plate is welded with the bottom of the left side outer plate, and the other side of the bottom plate is welded with the bottom of the right side outer plate. In the false rudder construction process, because the inner space of the component is narrow, constructors cannot extend into the inner space of the component, and therefore 1 to 3 transverse partition plates close to the rudder head cannot be welded with the starboard outer plate, and construction operations such as polishing, sand blasting, painting and the like are not performed. In addition, phenomena such as welding running, welding leakage, incomplete filling of welding flux and the like easily occur in the process of welding the bottom plate, so that the overall structural strength of the false rudder is reduced, and the aesthetic property of the ship body is also influenced. There is a need for improvements in the art.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a ship false rudder construction method, which ensures the construction strength, precision and attractiveness of the false rudder by optimizing the assembly sequence and the welding method.
In order to achieve the above purpose, the technical solution adopted by the invention is as follows:
a method of constructing a pseudo rudder for a ship, the pseudo rudder comprising a column, a port outer plate, a plurality of transverse bulkheads having different widths, a starboard outer plate, and a bottom plate, the method comprising the steps of:
s1. scribing a welding line on the inner side surface of the port outer plate according to a design drawing, forming a first groove with an outward angle of 45 DEG at the bottom of the port outer plate, welding a first steel liner plate on the inner side surface of the first groove, and enabling the bottom of the first steel liner plate to exceed the bottom of the first groove;
S2, respectively welding a strip-shaped mounting plate at the right end of each transverse partition plate;
s3. respectively welding the left end of each transverse partition plate with the inner side surface of the port outer plate according to a corresponding welding line;
s4. drawing open hole lines on the outer side surface of the starboard outer plate according to a design drawing, forming a plurality of plug welding holes on each open hole line, forming a second groove with an outward angle of 45 DEG on the bottom of the starboard outer plate, welding a second steel lining plate on the inner side surface of the second groove, and enabling the bottom of the second steel lining plate to exceed the bottom of the second groove;
s5. the starboard outer plate and the port outer plate are symmetrically assembled and welded with the corresponding strip-shaped mounting plates through plug welding holes;
s6. bottom plates are assembled at the bottoms of the port outer plate and the starboard outer plate, and the first groove and the second groove are symmetrically welded;
s7. stand columns are assembled at the head of the false rudder, and the port outer plate, the starboard outer plate and the bottom plate are welded on the stand columns.
Preferably, in step s1, the length of the first steel liner panel is the same as the length of the port outer panel, and the bottom of the first steel liner panel exceeds the bottom of the first groove by 6mm.
Preferably, in step s2, the height of the strip-shaped mounting plates is the same as the height of the corresponding transverse partition plates, the width of the strip-shaped mounting plates is 80mm, and the included angle between each strip-shaped mounting plate and the front side surface of the transverse partition plate is alpha, wherein alpha is obtained according to a design drawing.
Preferably, in step s3, the basic principle of welding the transverse separator is:
the transverse partition plates are welded sequentially from the head to the tail of the rudder of the port outer plate according to the width from small to large;
and the included angle between each transverse partition plate and the rudder head direction of the port outer plate is alpha, and the alpha is obtained according to a design drawing.
The front side of each transverse baffle faces the direction of the rudder head.
Preferably, in step s4, the size of the plug welding holes is 120mm by 40mm, and two adjacent plug welding holes are spaced by 200mm.
Preferably, in step s4, the length of the second steel liner panel is the same as the length of the starboard outer panel, and the bottom of the second steel liner panel exceeds the bottom of the second groove by 6mm.
Compared with the prior art, the invention has the following beneficial effects:
according to the ship false rudder construction method, the existing assembly sequence and welding method are optimized, so that the welding precision is high, the construction strength of the false rudder is high, the ship false rudder is attractive, manpower and material resources are saved, and the dock period is prevented from being prolonged due to secondary reworking.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of the marine rudder prosthesis of the invention.
Fig. 2 is a schematic diagram of the welding of step s5 of the present invention.
FIG. 3 is a schematic diagram of the welding of step s6 of the present invention.
In the figure: 1. a column; 2. a port outer plate; 3. a transverse partition; 4. a starboard outer plate; 5. a bottom plate; 6. a first groove; 7. a first steel liner panel; 8. a strip-shaped mounting plate; 9. plug welding holes; 10. a second groove; 11. and a second steel liner panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Furthermore, in the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 3, a preferred embodiment of the present invention provides a method of constructing a pseudo rudder for a ship, the pseudo rudder comprising: the false rudder comprises a column 1, a port outer plate 2, a plurality of transverse partition plates 3 with different widths, a starboard outer plate 4 and a bottom plate 5, and the components are processed according to a design drawing.
The construction method of the false rudder specifically comprises the following steps:
s1. are welded lines on the inner side surface of the port outer panel 2 according to the design drawing, and are used for assisting in welding the transverse partition 3.
An outward 45-degree first groove 6 is formed in the bottom of the port outer plate 2, a first steel liner plate 7 is welded on the inner side surface of the first groove 6, specifically, the length of the first steel liner plate 7 is the same as that of the port outer plate 2, and the bottom of the first steel liner plate 7 exceeds the bottom 6mm of the first groove 6.
S2, strip-shaped mounting plates 8 are welded at the right end of each transverse partition plate 3 respectively, and specifically, two sides of the right end of each transverse partition plate 3 are welded with the strip-shaped mounting plates 8 respectively.
The height of each strip-shaped mounting plate 8 is the same as that of the corresponding transverse partition plate 3, the width of each strip-shaped mounting plate 8 is 80mm, and the included angle between each strip-shaped mounting plate 8 and the front side surface of the transverse partition plate 3 is alpha, wherein the alpha is obtained according to a design drawing.
S3. the left end of each transverse partition plate 3 is welded to the inner side surface of the port outer plate 2 according to a corresponding welding line, specifically, two sides of the left end of each transverse partition plate 3 are welded to the port outer plate 2. The basic principle of welding the transverse partition 3 is:
the transverse partition plates 3 are welded in sequence from the head to the tail of the rudder of the port outer plate 2 according to the width from small to large.
The included angle between each transverse partition plate 3 and the rudder head direction of the port outer plate 2 is alpha, and the alpha is obtained according to a design drawing.
The front side of each transverse baffle faces the direction of the rudder head.
S4. drawing open hole lines on the outer side surface of the starboard outer plate 4 according to a design drawing, and forming a plurality of plug welding holes 9 on each open hole line, wherein the size of each plug welding hole 9 is 120mm x 40mm, and two adjacent plug welding holes 9 are spaced by 200mm.
An outward 45-degree second groove 10 is formed in the bottom of the starboard outer plate 4, a second steel liner plate 11 is welded on the inner side surface of the second groove 10, specifically, the length of the second steel liner plate 11 is the same as that of the starboard outer plate 4, and the bottom of the second steel liner plate 11 exceeds the bottom of the second groove 10 by 6mm.
S5. the starboard outer plate 4 is symmetrically assembled with the port outer plate 2 and welded with the corresponding strip-shaped mounting plate 8 through plug welding holes 9.
Operators do not need to stretch into the inside of the component to weld, the right outboard plate 4 and the strip-shaped mounting plate 8 can be welded outside the component through the plug welding holes 9, and each transverse partition plate 3 can be fixedly welded with the right outboard plate 4, so that the problem that a narrow space in the component cannot be constructed is solved.
S6. the bottom plate 5 is assembled at the bottoms of the left-side outer plate 2 and the right-side outer plate 4, the first steel lining plate 7 and the second steel lining plate 11 are respectively contacted with the bottom plate 5, and the first groove 6 and the second groove 10 are symmetrically welded, so that S-bending of the bottom plate 5 caused by single-side welding is prevented.
Because the left outboard plate 2 and the right outboard plate 4 are respectively separated from the bottom plate by 6mm, the welding is more complete, and the flux filling is more sufficient. In addition, the blocking action of the first steel lining plate 7 and the second steel lining plate 11 effectively prevents the welding running phenomenon from occurring in the welding process of the first groove 6 and the second groove 10.
S7. the upright 1 is assembled on the dummy rudder head, and the left-hand outer plate 2, the right-hand outer plate 4 and the bottom plate 5 are welded on the upright 1.
In summary, according to the ship false rudder construction method disclosed by the embodiment of the invention, the existing assembly sequence and welding method are optimized, so that the welding precision is high, the construction strength of the false rudder is high, the ship false rudder is more attractive, meanwhile, the manpower and material resources are saved, and the dock period extension caused by secondary reworking is avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A method of constructing a pseudo rudder for a ship, the pseudo rudder comprising a column, a port outer plate, a plurality of transverse bulkheads having different widths, a starboard outer plate, and a bottom plate, the method comprising the steps of:
s1. scribing a welding line on the inner side surface of the port outer plate according to a design drawing, forming a first groove with an outward angle of 45 DEG at the bottom of the port outer plate, welding a first steel liner plate on the inner side surface of the first groove, and enabling the bottom of the first steel liner plate to exceed the bottom of the first groove;
S2, respectively welding a strip-shaped mounting plate at the right end of each transverse partition plate;
s3. respectively welding the left end of each transverse partition plate with the inner side surface of the port outer plate according to a corresponding welding line;
s4. drawing open hole lines on the outer side surface of the starboard outer plate according to a design drawing, forming a plurality of plug welding holes on each open hole line, forming a second groove with an outward angle of 45 DEG on the bottom of the starboard outer plate, welding a second steel lining plate on the inner side surface of the second groove, and enabling the bottom of the second steel lining plate to exceed the bottom of the second groove;
s5. the starboard outer plate and the port outer plate are symmetrically assembled and welded with the corresponding strip-shaped mounting plates through plug welding holes;
s6. bottom plates are assembled at the bottoms of the port outer plate and the starboard outer plate, and the first groove and the second groove are symmetrically welded;
s7. stand columns are assembled at the head of the false rudder, and the port outer plate, the starboard outer plate and the bottom plate are welded on the stand columns.
2. A method of constructing a marine rudder according to claim 1, wherein in step s1, the length of the first steel liner plate is the same as the length of the port outer plate, and the bottom of the first steel liner plate exceeds the bottom of the first groove by 6mm.
3. The method according to claim 1, wherein in step s2, the height of the strip-shaped mounting plates is the same as the height of the corresponding transverse partition plates, the width is 80mm, and the included angle between each strip-shaped mounting plate and the front side surface of the transverse partition plate is α, which is obtained according to a design drawing.
4. A method of constructing a rudder of a marine vessel according to claim 3, wherein in step s3, the requirement for welding the transverse bulkhead is:
The transverse partition plates are welded sequentially from the head to the tail of the rudder of the port outer plate according to the width from small to large;
The included angle between each transverse partition plate and the rudder head direction of the port outer plate is alpha, and the alpha is obtained according to a design drawing;
the front side of each transverse baffle faces the direction of the rudder head.
5. A method of constructing a marine rudder according to claim 1, wherein in step s4, the plug holes are 120mm by 40mm in size, and two adjacent plug holes are 200mm apart.
6. A method of constructing a marine rudder according to claim 1, wherein in step s4 the length of the second steel liner plate is the same as the length of the starboard outer plate, the bottom of the second steel liner plate exceeding the bottom of the second groove by 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211521292.4A CN115743462B (en) | 2022-11-30 | 2022-11-30 | Ship false rudder construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211521292.4A CN115743462B (en) | 2022-11-30 | 2022-11-30 | Ship false rudder construction method |
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| Publication Number | Publication Date |
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| CN115743462A CN115743462A (en) | 2023-03-07 |
| CN115743462B true CN115743462B (en) | 2024-06-11 |
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| CN202211521292.4A Active CN115743462B (en) | 2022-11-30 | 2022-11-30 | Ship false rudder construction method |
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| CN115743462A (en) | 2023-03-07 |
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