CN115743462A - Method for building ship false rudder - Google Patents
Method for building ship false rudder Download PDFInfo
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- CN115743462A CN115743462A CN202211521292.4A CN202211521292A CN115743462A CN 115743462 A CN115743462 A CN 115743462A CN 202211521292 A CN202211521292 A CN 202211521292A CN 115743462 A CN115743462 A CN 115743462A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 63
- 238000005192 partition Methods 0.000 claims abstract description 35
- 238000010276 construction Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000010586 diagram Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 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
- 238000006467 substitution reaction Methods 0.000 description 1
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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 discloses a construction method of a ship false rudder, which comprises a stand column, 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, marking a welding line on the inner side surface of the port outer plate according to a design drawing; s2, welding a strip-shaped mounting plate at the right end of each transverse partition plate respectively; s3, respectively welding the left end of each transverse partition plate with the inner side surface of the port outer plate according to the corresponding welding line; s4, cutting 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 in each open hole line; s5, symmetrically assembling the starboard outer plate and the port outer plate, and welding the starboard outer plate and the port outer plate with the corresponding strip-shaped mounting plates through plug welding holes; and S6, assembling the bottom plate at the bottoms of the port outer plate and the starboard outer plate, and symmetrically welding the first groove and the second groove. By optimizing the existing assembly sequence and welding method, the welding precision is high, the building strength of the false rudder is high, and the false rudder is more attractive.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for constructing a ship false rudder.
Background
In order to improve the flow field of the ship in the advancing process and increase the navigation stability of the ship, a false rudder structure is added in the design process of the ship. At present, in the construction process of the false rudder, firstly, transverse partition plates are sequentially welded on the inner side surface of a port outer plate, then a starboard outer plate is assembled, the starboard outer plate and the port outer plate are symmetrically assembled, the starboard 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 port outer plate, and the other side of the bottom plate is welded with the bottom of the starboard outer plate. In the false rudder construction process, due to the fact that the inner space of the component is narrow and small, constructors cannot stretch into the inner space of the component, and therefore 1 to 3 transverse partition plates close to the rudder head cannot be welded with a starboard outer plate, ground, sandblasted, painted and the like. In addition, the phenomena of welding missing, incomplete filling of welding flux and the like are easy to occur in the process of welding the bottom plate, the overall structural strength of the false rudder is reduced, and the attractiveness of the ship body is affected. In this regard, there is a need for improvements in the prior art.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a construction method of a ship false rudder, which ensures the construction strength, precision and attractiveness of the false rudder by optimizing the assembly sequence and a welding method.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a construction method of a ship false rudder, wherein the false rudder comprises a vertical column, a port side outer plate, a plurality of transverse partition plates with different widths, a starboard side outer plate and a bottom plate, and the construction method comprises the following steps:
the method comprises the following steps that S1, a welding line is marked on the inner side face of a port outer plate according to a design drawing, a first groove which is 45 degrees outwards is formed in the bottom of the port outer plate, a first steel liner plate is welded on the inner side face of the first groove, and the bottom of the first steel liner plate exceeds the bottom of the first groove;
s2, welding a strip-shaped mounting plate at the right end of each transverse partition plate respectively;
s3, respectively welding the left end of each transverse partition plate with the inner side surface of the port outer plate according to the corresponding welding line;
s5, symmetrically assembling the starboard outer plate and the port outer plate, and welding the starboard outer plate and the port outer plate with the corresponding strip-shaped mounting plates through plug welding holes;
s6, assembling a bottom plate at the bottoms of the port outer plate and the starboard outer plate, and symmetrically welding the first groove and the second groove;
and S7, the upright post is 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 upright post.
Preferably, in step s1, the length of the first steel liner panel is the same as the length of the port side outer panel, and the bottom of the first steel liner panel exceeds the bottom of the first bevel by 6mm.
Preferably, in step s2, the height of each strip-shaped mounting plate is the same as that of the corresponding transverse partition plate, the width of each strip-shaped mounting plate is 80mm, and an included angle between each strip-shaped mounting plate and the front side face of each 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 partitions is:
the transverse partition plates are welded in sequence from the rudder head to the rudder tail of the port outer plate from small to large according to the width;
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 partition faces the rudder head.
Preferably, in step s4, the plug welding holes have a size of 120mm × 40mm, and two adjacent plug welding holes are spaced by 200mm.
Preferably, in step s4, the length of the second steel liner plate is the same as that of the starboard side outer plate, and the bottom of the second steel liner plate exceeds the bottom of the second bevel by 6mm.
Compared with the prior art, the invention has the following beneficial effects:
according to the construction method of the ship false rudder, 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 false rudder is more attractive, meanwhile, 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 solution of the present invention, the drawings required to be used in the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the ship false rudder of the invention.
Fig. 2 is a schematic diagram of the welding in step s5 of the present invention.
Fig. 3 is a schematic diagram of the welding in 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 base plate; 6. a first bevel; 7. a first steel backer plate; 8. a strip-shaped mounting plate; 9. plugging the welding hole; 10. a second bevel; 11. a second steel backer plate.
Detailed Description
The technical solution 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.
In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, 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; 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.
As shown in fig. 1 to 3, a preferred embodiment of the present invention provides a method of constructing a false rudder for a ship, the false rudder including: 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, wherein the parts are processed according to design drawings.
The construction method of the false rudder specifically comprises the following steps:
and S1, marking a welding line on the inner side surface of the port outer plate 2 according to a design drawing, wherein the purpose of the welding line is used for assisting in welding the transverse partition plate 3.
A first groove 6 with an outward angle of 45 degrees is formed in the bottom of the port outer plate 2, a first steel liner plate 7 is welded to the inner side face 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 of the first groove 6 by 6mm.
And s2, the right end of each transverse partition plate 3 is respectively welded with a strip-shaped mounting plate 8, and specifically, the two sides of the right end of each transverse partition plate 3 are respectively welded with the strip-shaped mounting plates 8.
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, the included angle between each strip-shaped mounting plate 8 and the front side face of each transverse partition plate 3 is alpha, and the alpha is obtained according to a design drawing.
And S3, respectively welding the left end of each transverse partition plate 3 with the inner side surface of the port outer plate 2 according to the corresponding welding line, specifically, respectively welding the two sides of the left end of each transverse partition plate 3 with the port outer plate 2. The basic principle of welding the transverse partitions 3 is:
the transverse clapboards 3 are welded in sequence from the rudder head to the rudder tail of the port outer plate 2 from small to large according to the width.
The included angle between each transverse partition plate 3 and the outer plate 2 on the port board in the rudder head direction is alpha, and the alpha is obtained according to a design drawing.
The front side of each transverse partition faces the rudder head.
And S4, marking 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 × 40mm, and the interval between every two adjacent plug welding holes 9 is 200mm.
A second groove 10 with an outward angle of 45 degrees is formed in the bottom of the starboard outer plate 4, a second steel liner plate 11 is welded to the inner side face 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.
And S5, symmetrically assembling the starboard outer plate 4 and the port outer plate 2, and welding the starboard outer plate and the port outer plate with the corresponding strip-shaped mounting plates 8 through plug welding holes 9.
An operator does not need to stretch into the component to weld, the starboard outer plate 4 and the strip-shaped mounting plate 8 can be welded outside the component through the plug welding holes 9, each transverse partition plate 3 can be fixedly welded with the starboard outer plate 4, and the problem that narrow space in the component cannot be constructed is solved.
And S6, the bottom plate 5 is assembled at the bottoms of the port outer plate 2 and the starboard outer plate 4, the first steel liner plate 7 and the second steel liner plate 11 are respectively contacted with the bottom plate 5, the first groove 6 and the second groove 10 are symmetrically welded, and the bottom plate 5 is prevented from being S-bent due to the fact that welding is carried out on one side.
Because the port outer plate 2 and the starboard outer plate 4 are respectively spaced from the bottom plate by 6mm, the welding is more complete, and the welding flux is filled more fully. In addition, the blocking effect of first steel backing plate 7 and second steel backing plate 11 effectively prevents to appear the race welding phenomenon in the welding process to first groove 6 and second groove 10.
And S7, the upright post 1 is assembled at a false rudder head, and the port outer plate 2, the starboard outer plate 4 and the bottom plate 5 are welded on the upright post 1.
In summary, according to the construction method of the ship false rudder provided 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 false rudder is more attractive, meanwhile, manpower and material resources are saved, and the dock period is prevented from being prolonged due to secondary reworking.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A ship false rudder building method is characterized in that the false rudder comprises a vertical column, a port outer plate, a plurality of transverse partition plates with different widths, a starboard outer plate and a bottom plate, and the building method comprises the following steps:
the method comprises the following steps that S1, a welding line is marked on the inner side face of a port outer plate according to a design drawing, a first groove which is 45 degrees outwards is formed in the bottom of the port outer plate, a first steel liner plate is welded on the inner side face of the first groove, and the bottom of the first steel liner plate exceeds the bottom of the first groove;
s2, welding a strip-shaped mounting plate at the right end of each transverse partition plate respectively;
s3, respectively welding the left end of each transverse partition plate with the inner side surface of the port outer plate according to the corresponding welding line;
step 4, drawing 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 hole line, forming a second groove with an angle of 45 degrees outwards at the bottom of the starboard outer plate, welding a second steel liner plate on the inner side surface of the second groove, and enabling the bottom of the second steel liner plate to exceed the bottom of the second groove;
s5, symmetrically assembling the starboard outer plate and the port outer plate, and welding the starboard outer plate and the port outer plate with the corresponding strip-shaped mounting plates through plug welding holes;
s6, assembling a bottom plate at the bottoms of the port outer plate and the starboard outer plate, and symmetrically welding the first groove and the second groove;
and S7, the upright post is 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 upright post.
2. The ship false rudder construction method according to claim 1, wherein in step s1, the length of the first steel-lined plate is the same as that of the port side outer plate, and the bottom of the first steel-lined plate exceeds the bottom of the first groove by 6mm.
3. The method for building the false rudder of the ship, 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 plate, the width of each strip-shaped mounting plate is 80mm, the included angle between each strip-shaped mounting plate and the front side face of the transverse partition plate is alpha, and alpha is obtained according to a design drawing.
4. A ship false rudder construction method according to claim 3, wherein in step s3, the basic principle of welding the transverse bulkheads is as follows:
the transverse clapboards are welded in sequence from the rudder head to the rudder tail of the port outer plate from small to large according to the width;
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 partition faces the rudder head.
5. The method for constructing a ship false rudder according to claim 1, wherein in step s4, the size of the plug welding holes is 120mm × 40mm, and two adjacent plug welding holes are spaced by 200mm.
6. The ship false rudder construction method according to claim 1, wherein in step s4, the length of the second steel liner plate is the same as that of the starboard outer plate, and the bottom of the second steel liner plate exceeds the bottom of the second groove by 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211521292.4A CN115743462A (en) | 2022-11-30 | 2022-11-30 | Method for building ship false rudder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211521292.4A CN115743462A (en) | 2022-11-30 | 2022-11-30 | Method for building ship false rudder |
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| Publication Number | Publication Date |
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| CN115743462A true CN115743462A (en) | 2023-03-07 |
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| CN202211521292.4A Pending CN115743462A (en) | 2022-11-30 | 2022-11-30 | Method for building ship false rudder |
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