CN108216487B - Process method for installing rudder trunk in staged stage - Google Patents
Process method for installing rudder trunk in staged stage Download PDFInfo
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- CN108216487B CN108216487B CN201711364135.6A CN201711364135A CN108216487B CN 108216487 B CN108216487 B CN 108216487B CN 201711364135 A CN201711364135 A CN 201711364135A CN 108216487 B CN108216487 B CN 108216487B
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- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
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Abstract
The invention discloses a process method for installing a rudder trunk in a staged mode. The process method comprises the following steps: s1, surveying a reference ground wire, S2, adjusting the level of the rudder trunk section, S3, assembling and welding the rudder trunk, S4, assembling and welding a false rudder, S5 and installing loose parts. The process method of the invention advances the conventional rudder trunk installation at the general assembly stage or the dock stage to the segmentation stage, effectively improves the construction condition and labor intensity, accelerates the installation speed of the rudder trunk, thereby effectively shortening the construction period of the ship.
Description
Technical Field
The invention belongs to the field of ship construction, and particularly relates to a process method for installing a rudder trunk in a staged stage.
Background
The rudder trunk belongs to a component of a flap rudder, a ship adopting the flap rudder can improve the propelling and operating performance of the ship, when the ship body structure of the rudder trunk is welded, a series of precision control elements such as verticality, concentricity and inner wall ovality need to be ensured, a false rudder structure connected with the rudder trunk has clear gap requirements on other rudder blades, and a series of precision control elements such as the installation height and the levelness of the false rudder are also objects needing to be ensured. At present, the installation of the rudder trunk is generally carried out at the total assembly stage or the dock stage, and the design method has the following defects:
first, install the rudder stock section of thick bamboo in total group stage or dock stage, because the segmentation adjacent with the section of rudder stock section of thick bamboo has always organized or carry on, the construction operation space is comparatively sealed relatively, has led to the workman poor at the in-process construction condition of assembly welding operation, and intensity of labour is high, and is unfavorable for safe operation.
Secondly, be unfavorable for shell outfitting to scribble integration operation, install the rudder stock section of thick bamboo in total group stage or dock stage, because the section of rudder stock section of thick bamboo has already painted, install the rudder stock section of thick bamboo in the operation stage of going backward, easily cause the destruction to the rudder stock section of thick bamboo that has painted, increased extra paint and repaired the work load of polishing.
Thirdly, the installation period is long, the improvement of the precision level is not facilitated, the rudder stock cylinder is installed in the total assembly stage or the dock stage, the rudder stock cylinder is mostly in high-altitude operation, the hoisting and positioning time of the rudder stock cylinder is prolonged, the whole shipbuilding precision level is not facilitated to be improved, a large number of floor feet need to be erected in the high-altitude operation, the installation of the rudder stock cylinder is difficult, and the construction period of ships is prolonged.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a process method for installing a rudder trunk in a staged manner, which overcomes the problems of poor construction conditions, high labor intensity, inconvenience in shell fitting-out and coating integrated operation, long installation period of the rudder trunk, inconvenience in improving the precision level and influence on the ship construction period in the prior art.
The invention solves the technical problems through the following technical scheme:
a process method for installing a rudder trunk in stages comprises the following steps:
s1, surveying and marking a reference ground wire, surveying and marking a hull center line and an FR0 rib position line on a terrace by using a total station, finding an intersection point of the hull center line and the FR0 rib position line, marking the intersection point as a rudder system center point, using the hull center line as a scribing reference, parallelly scribing a longitudinal docking block arrangement reference line, and using the FR0 rib position line as a scribing reference, and parallelly scribing a transverse docking block arrangement reference line;
s2, adjusting the subsection level of a rudder stock cylinder, arranging a longitudinal docking block according to an arranged datum line of an expectedly-arranged longitudinal docking block, arranging a transverse docking block according to an arranged datum line of an expectedly-arranged transverse docking block, adjusting the level of the longitudinal docking block and the transverse docking block, hoisting the rudder stock cylinder to the upper surfaces of the longitudinal docking block and the transverse docking block in a subsection mode, and adjusting the subsection attitude of the rudder stock cylinder so that the horizontal precision of a steering engine deck meets the requirement;
s3, assembling and welding the rudder trunk, respectively installing cross light targets on the upper end surface and the lower end surface of the rudder trunk, measuring and determining the central line of the rudder system, inserting the rudder trunk into the section of the rudder trunk, during the hoisting process, the collision between the rudder trunk and the subsection structure of the rudder trunk is avoided as much as possible, the position of the platform plate of the rudder trunk in the height direction is measured and adjusted, the height L0 of the rudder trunk platform plate from the steering engine deck meets the precision requirement, the concentricity of the center line of the rudder system and the center point of the rudder system on the ground is measured and adjusted, the precision meets the requirement, after the positioning of the rudder trunk is finished, the rudder trunk and the rudder trunk are fixed by the horse board in sections, after the assembly of the rudder trunk is finished, welding the rudder trunk, firstly welding vertical butt weld seams of the rudder trunk and the rudder trunk sections, then welding flat fillet weld seams of the rudder trunk and the rudder trunk section outer plates, and finally welding butt weld seams of the rudder trunk and a steering engine deck;
s4, false rudder assembly and welding, after the segmented assembly and welding of the rudder trunk and the rudder trunk are completely finished, hoisting a false rudder assembly and assembling, measuring and adjusting the position of a false rudder assembly platform plate in the height direction, so that the height L2 of the false rudder assembly platform plate from a steering engine deck meets the requirement, after the false rudder assembly is positioned, fixing the false rudder assembly and the rudder trunk in a segmented manner by using a horse plate, after the false rudder assembly is finished, welding the false rudder assembly, firstly welding the vertical butt weld joint of the rudder trunk and the false rudder assembly, and then welding the flat fillet weld joint of the false rudder assembly and the outer plate of the rudder trunk segment;
s5, mounting the bulk parts after the false rudder assembly is welded, firstly mounting six ship bulk toggle plates on a rudder stock tube toggle plate, completing vertical butt weld between the ship bulk toggle plates and the rudder stock tube toggle plate, scattering four false rudder shell plates at the outer end parts of the ship bulk toggle plates, completing vertical butt weld between an outer plate of the false rudder assembly and the false rudder shell plates and vertical butt weld between the false rudder shell plates, painting in a dead space before scattering the four false rudder shell plates, and finally completing corner joint between the ship bulk toggle plates and the false rudder shell plates.
In S1, the scribing accuracy of the FR0 rib bit line is +/-1 mm, and the scribing accuracy of the longitudinal docking block arrangement reference line and the transverse docking block arrangement reference line is +/-2 mm.
In S2, the allowable horizontal accuracy error of the longitudinal docking block and the lateral docking block is ± 1 mm.
In S2, the allowable error of the horizontal precision of the deck of the steering engine is +/-3 mm.
In S3, the allowable range of accuracy of the height L0 of the rudder trunk platform plate from the steering engine deck is ± 2 mm.
In S3, the accuracy of the concentricity of the central line of the rudder system and the central point of the rudder system on the terrace is less than or equal to 1 mm.
At S3, the spacing L1 between adjacent horse boards is 300 mm; in S4, the pitch L1 of the adjacent horse boards is 300 mm.
In S3, the concentricity deviation between the center line of the rudder trunk and the center point of the rudder system on the terrace should be tracked and monitored during the welding process of the rudder trunk and the rudder trunk in sections, and if the precision deviation is greater than 4mm, the welding sequence should be adjusted in time so that the precision deviation is kept within the range of 1 mm.
In S4, the height L2 of the false rudder assembly platform plate from the deck of the steering engine is the positioning height data L0 of the rudder trunk platform plate plus the welding shrinkage value of 2mm, and the precision allowable range of L2 is +/-2 mm; in S4, the concentricity deviation between the center line of the rudder trunk and the center point of the rudder system on the terrace should be tracked and monitored during the welding process of the false rudder assembly, the rudder trunk segment and the rudder trunk, and if the precision deviation is greater than 3mm, the welding sequence should be adjusted in time to keep the precision deviation within 1 mm.
In S3, a welding method of symmetric welding or split gradual unwelding is adopted in the process of welding the rudder trunk and the rudder trunk in sections to reduce welding deformation; in S4, a welding method of symmetrical welding or stepwise stepped back welding is adopted to reduce welding deformation during the welding of the false rudder assembly and the rudder trunk.
Compared with the prior art, the method has the beneficial effects that ① the installation stage of the rudder stock cylinder is advanced from the total assembly stage or the dock to the segmentation stage, at the moment, the operation is in open operation on the flat ground, the construction environment is good, the safety is high, the construction condition and the labor intensity are effectively improved, ② the rudder stock cylinder is installed before segmentation coating, the shell fitting-out and coating integrated operation is facilitated, the paint damage to the subsection of the rudder stock cylinder is reduced, ③ the overall precision shipbuilding level is improved, the installation precision of the rudder stock cylinder is required to be used as a first control element in the total assembly stage or the dock stage due to the installation of the rudder stock cylinder structure in the segmentation stage, the precision shipbuilding and lean shipbuilding level of a shipyard are facilitated, and the construction period of a ship is greatly shortened.
Drawings
FIG. 1 is a schematic drawing of a survey ground line in the present invention.
Fig. 2 is a schematic diagram of the docking block arrangement of the present invention.
FIG. 3 is a schematic view of the level adjustment of the rudder trunk in stages according to the present invention.
FIG. 4 is a schematic view of the rudder trunk assembly of the present invention.
FIG. 5 is a schematic view of the vertical assembly and welding of the false rudder in the present invention.
Fig. 6 is a schematic view of the assembly of the invention from a-a to the bulk part of fig. 5.
Wherein the reference numerals are:
1-hull centerline; 1-1, arranging a datum line on a longitudinal docking block; 2-FR 0 rib bit line; 2-1, arranging a datum line on a transverse docking block; 3-center point of rudder system; 4-1-longitudinal docking block; 4-2-transverse docking block; 5, segmenting a rudder trunk; 6-a rudder stock cylinder; 6-1-upper end surface of rudder trunk; 6-2-lower end surface of rudder trunk; 6-3-rudder trunk platform plate; 7-rudder system central line; 8-horse board; 9, vertical butt welding seams of the rudder trunk and the rudder trunk sections; 10, a flat fillet weld of the rudder trunk and the rudder trunk segmented outer plate; 11, butt welding of the rudder stock cylinder and the steering engine platform; 12, assembling false rudders; 12-1, assembling a platform plate by a false rudder; 13-vertical butt welding of the rudder trunk and the false rudder; 14, flat fillet welding between the false rudder assembly and the rudder trunk segmented outer plate; 15-hull bulk toggle plate; 16-false rudder shell plate; 17-vertical butt welding between the ship hull bulk toggle plate and the rudder trunk toggle plate; 18-vertical butt welding between an outer plate of the false rudder assembly and a false rudder shell plate; 19-vertical butt welding between false rudder shell plates; 20-dead space; 21-an angle joint between a ship hull bulk toggle plate and a false rudder shell plate; 22-rudder trunk toggle plate.
Detailed Description
The process of the present invention for the staged rudder trunk installation will be described in further detail below with reference to the attached drawings, so as to clearly understand the application of the method of the present invention, but the scope of the present invention should not be limited thereby.
As shown in fig. 1 ~ and fig. 6, the design method for installing a rudder trunk in a segmental stage of the present embodiment includes the following steps:
s1, surveying and marking a reference ground line, as shown in figure 1, surveying and marking a hull center line 1 and an FR0 rib position line 2 on a terrace by using a total station, wherein the scribing precision is +/-1 mm, finding an intersection point of the hull center line 1 and the FR0 rib position line 2, marking a significant mark by using a color code, marking the intersection point as a rudder system center point 3, parallelly scribing a longitudinal docking block arrangement reference line 1-1 by using the hull center line 1 as a scribing reference, wherein the scribing precision is +/-2 mm, and parallelly scribing a transverse docking block arrangement reference line 2-1 by using the FR0 rib position line 2 as a scribing reference, wherein the scribing precision is +/-2 mm;
s2, adjusting the section level of the rudder trunk, as shown in figure 2, arranging a longitudinal docking block 4-1 according to an experimented longitudinal docking block arrangement reference line 1-1, arranging a transverse docking block 4-2 according to an experimented transverse docking block arrangement reference line 2-1, and adjusting the levels of the longitudinal docking block 4-1 and the transverse docking block 4-2, wherein the precision allowable error is +/-1 mm. As shown in fig. 3, a rudder trunk segment 5 is hoisted to a longitudinal docking block 4-1 and a transverse docking block 4-2, and the attitude of the rudder trunk segment 5 is adjusted, so that the horizontal precision of a steering engine deck 5-1 meets the requirement, and the precision allowable error is +/-3 mm;
s3, assembling and welding the rudder trunk, as shown in figure 4, installing cross light targets on the upper end surface 6-1 and the lower end surface 6-2 of the rudder trunk 6, measuring and determining a rudder system center line 7, slowly inserting the rudder trunk 6 into the rudder trunk segment 5, taking care to avoid the collision of the rudder trunk 6 and the rudder trunk segment 5 structure as much as possible during the hoisting process, measuring and adjusting the position of the rudder trunk platform plate 6-3 in the height direction, so that the height L0 of the rudder trunk platform plate 6-3 from the rudder platform 5-1 meets the precision requirement, the precision allowable range of L0 is +/-2 mm, and measuring and adjusting the concentricity of the rudder system center line 7 and the rudder system center point 3 on the ground level, and the precision is required to be less than or equal to 1 mm. After the positioning of the rudder trunk 6 is finished, the rudder trunk is fixed with the structure of the rudder trunk segment 5 by the horse boards 8, and the distance L1 between the adjacent horse boards 8 is 300 mm. After the rudder trunk 6 is assembled, the rudder trunk is welded, the vertical butt weld 9 of the rudder trunk and the rudder trunk section is welded, the flat fillet weld 10 of the rudder trunk and the rudder trunk section outer plate is welded, and the butt weld 11 of the rudder trunk and the steering engine platform is welded. In the welding process of the rudder trunk 6 and the rudder trunk section 5, welding modes such as symmetrical welding, split gradual back welding and the like are adopted to reduce welding deformation, the concentricity deviation condition of the central line 7 of the rudder trunk and the central point 3 of a rudder system on the terrace is tracked and monitored in the welding process, and if the precision deviation is more than 4mm, the welding sequence is adjusted in time to keep the precision deviation within the range of 1 mm;
s4, false rudder assembly and welding, as shown in figure 5, after the rudder trunk 6 and the rudder trunk subsection 5 are completely welded, the false rudder assembly 12 is hoisted and assembled, and the position of the false rudder assembly platform plate 12-1 in the height direction is measured and adjusted, so that the height L2 of the false rudder assembly platform plate 12-1 from the steering engine platform 5-1 meets the requirement, because the false rudder assembly 12 can shrink in the welding process, the positioning height L2 of the false rudder assembly platform plate is 2mm plus the welding shrinkage value of the positioning height data L0 of the rudder trunk platform plate 6-3, and the precision allowable range of L2 is +/-2 mm. After the false rudder assembly 12 is positioned, the false rudder assembly 12 and a rudder trunk section 5 are structurally fixed by utilizing the horse boards 8, the distance L1 between the adjacent horse boards 8 is 300mm, after the false rudder assembly 12 is assembled, the false rudder assembly 12 is welded, a vertical butt welding line 13 of the rudder trunk and the false rudder assembly is firstly welded, then a flat fillet welding line 14 of an outer plate of the false rudder assembly and the rudder trunk section is welded, in the welding process of the false rudder assembly 12 and the rudder trunk section 5, welding modes such as symmetrical welding, stepwise annealing in different welding and the like are adopted to reduce welding deformation, the concentricity deviation condition of a central line 7 of the rudder trunk and a central point 3 on a terrace is tracked and monitored in the welding process, and if the precision deviation is more than 3mm, the welding sequence is timely adjusted to keep the precision deviation within 1 mm;
s5, mounting the bulk parts, namely mounting the bulk parts as shown in FIG. 6, mounting the bulk parts after the pseudo rudder assembly 12 is welded, firstly mounting six hull bulk toggle plates 15 on a rudder stock cylinder toggle plate 22, completing vertical butt weld joints 17 between the hull bulk toggle plates and the rudder stock cylinder toggle plate, scattering four pseudo rudder shell plates 16 at the outer end parts of the hull bulk toggle plates 15, completing vertical butt weld joints 18 between an outer plate of the pseudo rudder assembly and the pseudo rudder shell plates 16 and vertical butt weld joints 19 between the pseudo rudder shell plates, painting in a dead space 20 before scattering four pseudo rudder shell plates 16, and finally completing fillet weld joints 21 between the hull bulk toggle plates and the pseudo rudder shell plates.
While specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and that various changes or modifications may be made without departing from the principles and spirit of the invention. The above embodiments are merely illustrative of the technical principles and effects of the present invention, and do not limit the protection of the claims of the present invention.
Claims (8)
1. A process method for installing a rudder trunk in stages is characterized by comprising the following steps:
s1, surveying and scribing a reference ground line, surveying and scribing a hull center line (1) and an FR0 rib bit line (2) on a terrace by using a total station, finding an intersection point of the hull center line (1) and the FR0 rib bit line (2), marking the intersection point as a rudder system central point (3), parallelly scribing a longitudinal docking block arrangement reference line (1-1) by taking the hull center line (1) as a scribing reference, and parallelly scribing a transverse docking block arrangement reference line (2-1) by taking the FR0 rib bit line (2) as a scribing reference;
s2, adjusting the subsection level of a rudder stock cylinder, arranging a longitudinal docking block (4-1) according to an experimented longitudinal docking block arrangement datum line (1-1), arranging a transverse docking block (4-2) according to an experimented transverse docking block arrangement datum line (2-1), adjusting the levels of the longitudinal docking block (4-1) and the transverse docking block (4-2), hoisting the rudder stock cylinder subsection (5) to the longitudinal docking block (4-1) and the transverse docking block (4-2), and adjusting the posture of the rudder stock cylinder subsection (5) to enable the horizontal precision of a steering engine deck (5-1) to meet the requirement;
s3, assembling and welding a rudder trunk, respectively installing cross light targets on the upper end face (6-1) and the lower end face (6-2) of the rudder trunk (6), measuring and determining a rudder system center line (7), inserting the rudder trunk (6) into a rudder trunk section (5), measuring and adjusting the position of a rudder trunk platform plate (6-3) in the height direction, so that the height L0 of the rudder trunk platform plate (6-3) from a rudder deck (5-1) meets the precision requirement, measuring and adjusting the concentricity of the rudder system center line (7) and a rudder system center point (3) on the terrace, requiring the precision to meet the requirement, after the positioning of the rudder trunk (6) is finished, fixing the rudder trunk (6) and the rudder trunk section (5) by using a horse board (8), after the assembly of the rudder trunk (6), welding the rudder trunk (6), and welding a butt joint (9) of the rudder trunk (6) and the rudder trunk section (5) in a vertical mode, then welding a flat fillet weld (10) of the rudder trunk and a rudder trunk segmented outer plate, and finally welding a butt weld (11) of the rudder trunk and a steering engine deck;
s4, false rudder assembly and welding, after the rudder trunk (6) and the rudder trunk section (5) are completely welded, hoisting the false rudder assembly (12) and assembling, measuring and adjusting the position of the false rudder assembly platform plate (12-1) in the height direction, so that the height L2 of the false rudder assembly platform plate (12-1) from the steering engine deck (5-1) meets the requirement, after the false rudder assembly (12) is positioned, fixing the false rudder assembly (12) and the rudder trunk section (5) by using a horse plate (8), after the false rudder assembly (12) is assembled, welding the false rudder assembly (12), firstly welding a vertical butt joint rudder welding seam (13) of the rudder trunk and the false rudder assembly, and then welding a flat angle welding seam (14) of the false rudder assembly and a rudder trunk section outer plate;
s5, mounting the bulk parts, mounting six ship bulk toggle plates (15) on a rudder stock cylinder toggle plate (22) after the assembly and welding of the false rudder assembly (12) are finished, completing vertical butt weld joints (17) between the ship bulk toggle plates and the rudder stock cylinder toggle plate, scattering four false rudder shell plates (16) at the outer end parts of the ship bulk toggle plates (15), completing vertical butt weld joints (18) between an outer plate of the false rudder assembly and the false rudder shell plates (16) and vertical butt weld joints (19) between the false rudder shell plates, painting in a dead space (20) before scattering four false rudder shell plates (16), and finally completing corner joint seams (21) between the ship bulk toggle plates and the false rudder shell plates;
in S1, the scribing accuracy of the FR0 rib bit line (2) is +/-1 mm, the scribing accuracy of the longitudinal docking block arrangement reference line (1-1) and the transverse docking block arrangement reference line (2-1) is +/-2 mm, and in S2, the horizontal accuracy allowable error of the longitudinal docking block (4-1) and the transverse docking block (4-2) is +/-1 mm.
2. A process of staged rudder trunk installation as claimed in claim 1, wherein the steering engine deck (5-1) horizontal accuracy tolerance is ± 3mm in S2.
3. The process of staged rudder trunk installation according to claim 1, wherein the allowable range of the accuracy of the height L0 of the rudder trunk platform plate (6-3) from the steering engine deck (5-1) is ± 2mm in S3.
4. The process of staged rudder trunk mounting according to claim 1, wherein the accuracy of the concentricity of the rudder system center line (7) and the rudder system center point (3) on the terrace is less than or equal to 1mm in S3.
5. A process of staged tiller sleeve installation as claimed in claim 1, wherein in S3, the spacing L1 between adjacent horse boards (8) is 300 mm; in S4, the distance L1 between the adjacent horse boards (8) is 300 mm.
6. The process of installing the rudder trunk in stages according to claim 1, wherein in S3, the deviation of the concentricity of the center line (7) of the rudder trunk and the center point (3) of the rudder system on the terrace should be tracked and monitored during the welding process of the rudder trunk (6) and the rudder trunk sections (5), and if the deviation of the accuracy is more than 4mm, the welding sequence should be adjusted in time so that the deviation of the accuracy is kept within 1 mm.
7. The process method for installing the rudder trunk in stages according to the claim 1, wherein in S4, the height L2 of the false rudder assembly vertical platform plate (12-1) from the steering engine deck (5-1) is the positioning height data L0 of the rudder trunk platform plate (6-3) plus the welding shrinkage value 2mm, and the precision allowable range of L2 is +/-2 mm; in S4, the concentricity deviation between the central line (7) of the false rudder assembly (12) and the rudder trunk segment (5) and the rudder trunk (6) and the rudder system central point (3) on the terrace should be tracked and monitored, and if the precision deviation is more than 3mm, the welding sequence should be adjusted in time to keep the precision deviation within 1 mm.
8. The process of the staged rudder trunk installation method according to claim 1, wherein in S3, the welding process of the rudder trunk (6) and the rudder trunk stage (5) adopts a symmetrical welding mode or a welding mode of gradually removing welding in a split process to reduce the welding deformation; in S4, during the welding process of the false rudder assembly (12) and the rudder trunk section (5), a symmetrical welding mode or a welding mode of gradually removing welding in a separated mode is adopted to reduce welding deformation.
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| CN108995764B (en) * | 2018-08-15 | 2022-08-23 | 招商局重工（江苏）有限公司 | Method for installing rudder sleeve of LNG (liquefied Natural gas) transport ship |
| CN109515612A (en) * | 2018-10-26 | 2019-03-26 | 中船西江造船有限公司 | The method for drawing block main engine bed hookup wire and shaft line is surveyed with total station |
| CN110937079A (en) * | 2019-10-24 | 2020-03-31 | 上海江南长兴造船有限责任公司 | Double-layer bottom box position precision control method for large container ship |
| CN110877698B (en) * | 2019-11-15 | 2021-06-01 | 沪东中华造船(集团)有限公司 | 3000-ton fishery investigation ship rudder system subsection precision control method |
| CN111942545A (en) * | 2020-07-30 | 2020-11-17 | 上海江南长兴造船有限责任公司 | Auxiliary tool for measuring section precision of rudder trunk of Berkel rudder |
| CN112224376A (en) * | 2020-10-28 | 2021-01-15 | 上海东鼎钢结构有限公司 | Efficient rudder sleeve, manufacturing tool and manufacturing method |
| CN113148058B (en) * | 2021-04-29 | 2023-08-15 | 江苏扬子三井造船有限公司 | Process for installing and positioning double rudder sleeve and tail casting in stage of sectional construction |
-
2017
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Non-Patent Citations (1)
| Title |
|---|
| 贝克舵的安装要领;龚伟兵;《科学时代》;20140131(第2期);第1-4页 * |
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