CN101181926A - Sectionalized assembling method for ship bow luff part - Google Patents

Sectionalized assembling method for ship bow luff part Download PDF

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Publication number
CN101181926A
CN101181926A CNA2007100457106A CN200710045710A CN101181926A CN 101181926 A CN101181926 A CN 101181926A CN A2007100457106 A CNA2007100457106 A CN A2007100457106A CN 200710045710 A CN200710045710 A CN 200710045710A CN 101181926 A CN101181926 A CN 101181926A
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segmentation
key point
moulding bed
plane
place
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CNA2007100457106A
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姚银弟
徐兴智
周飞
陈建中
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Hudong Zhonghua Shipbuilding Group Co Ltd
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Hudong Zhonghua Shipbuilding Group Co Ltd
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Priority to CNA2007100457106A priority Critical patent/CN101181926A/en
Publication of CN101181926A publication Critical patent/CN101181926A/en
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Abstract

The invention relates to a total assembly method for the section-dividing of shipping and shipboard parts, used for solving the problems of inconvenient operation and poor precision when the total assembly of a plurality of sections is carried out; the invention comprises the steps that (1) the plurality of sections are seen as an integrated section, and the assembly jig plane is obtained through longitudinal, transverse and oblique cutting on the integrated section; (2) a plurality of key points are obtained on the integrated section, the 3-d coordinates of all key points are found out and the vertical distance from each key point to the assembly jig plane; (3) the ground is taken as the assembly jig plane and supporting columns are correspondingly arranged on the lower part of all the key points; (4) a plurality of sections are respectively and correspondingly hung on the supporting columns for positioning, assembling and welding and overturning, thus implementing the total assembly of all sections. The method of the invention positions all unit sections to be totally assembled according to dimensions, thus reducing energy consumption and improving total assembly efficiency; the process solves the difficulty of large section for total assembly with large bidirectional linear change, thus saving a plurality of assembly jig materials and greatly improving the site turnaround efficiency of the total assembly, and improving the operation environment of the constructors.

Description

A kind of total group of methods of boats and ships bow side of a ship segment section
Technical field
The present invention relates to ship building, particularly a kind of total group of methods of boats and ships bow side of a ship segment section.
Background technology
The construction profile of existing ship, the bow side of a ship portion of boats and ships all is a fitfull stream line pattern curved surface.In the ship building process, its bow side of a ship portion all is made up of the segmentation of different structure, and this segmentation is except the outside is the fitfull inclined-plane, and all the other places are the structure of non-regular pattern composite.Be non-regular texture situation at the boat segmental outside and inboard, each segmentation is assembled into needs to adopt multiple mode to guarantee its precision on the hull, guarantee effectively carrying out smoothly of ship building work.
In the middle of the prior art, key step to total group of methods of boats and ships bow, side of a ship segment section is as follows: the moulding bed of at first completing the segmented general group at building berth or dock, moulding bed is made up of a plurality of pillar stiffeners, it is to be determined apart from the length on moulding bed plane by point on boats and ships bow, the side of a ship segment section that the height of pillar stiffener is selected, and the moulding bed plane is to adopt the vertical mode of imposing uniformity without examining individual cases in plane to obtain; Then each segmentation is lifted to moulding bed to bow successively by midship respectively, weld fixingly after each segmentation of aliging, always form a whole.
For improving segmental hoisting efficient, improve the field weld quality, it is trend that small-sized segmentation all will always be formed large-scale segmentation, but there is following deficiency in total group of methods of boats and ships bow of the prior art, side of a ship segment section:
1. adopt the vertical mode of imposing uniformity without examining individual cases in plane to select the moulding bed plane fairly simple, the height of corresponding pillar stiffener is also determined easily, but is existed part pillar stiffener excessive height, the shortcoming of wasting a large amount of moulding beds and scaffolding.
2. will be with ground or dock face as the moulding bed plane, can cause height of lift to differ bigger after being placed into each segmentation on the moulding bed, reach 5 meters apart from the diff-H of moulding bed plane vertex and nadir, can make the danger coefficient increase in the welding procedure process.
3. total group between the segmentation in irregular shape can be brought constructional difficulties, and the energy consumption of total group increases, the inefficiency of total group.
Summary of the invention
The objective of the invention is to overcome the existing ship segmented general and set up the deficiency that exists when making, a kind of total group of methods of boats and ships bow side of a ship segment section is provided.Utilize this method to reach the construction height that reduces boats and ships bow, side of a ship segment section, reduce the construction danger coefficient, the purpose of total group of efficient is provided, can save the moulding bed material greatly simultaneously, improve segmentation dress weldering build guality, reduce the cost of ship building.
The thinking of the inventive method: a plurality of adjacent sectional of the bow side of a ship portion of the boats and ships that complete at first in practice, in computing machine, simulate whole hull then by simulation software, on the simulation hull, find out the whole segmentation of forming by each segmentation, then according to the situation of change of line style in length and breadth of whole segmentation, form a moulding bed plane in each partial application of direction in length and breadth, set up the basic plane of making as segmented general with this moulding bed plane, total group of plane of this total set of segmentation reduced, on total set of segmentation, make key point and obtain the three-dimensional coordinate of each key point, and take column to put pier, at last according to each total group unit segmentation of sizing as pillar stiffener.
Technical scheme of the present invention:
A kind of total group of methods of boats and ships bow side of a ship segment section is characterized in that this method mainly comprises the steps:
1. in reality, produce a plurality of adjacent sectional of the bow side of a ship portion of boats and ships, find out the whole segmentation of forming by above-mentioned segmentation on the simulation hull in computing machine, and the vertical and horizontal diclinic is carried out in the whole segmentation of this simulation cut to obtain the moulding bed plane, vertically the intercepting angle is α, the taken transverse angle is β, wherein, 0<α<90 °, 0<β<90 °;
2. be that the basis rebulids three-dimensional system of coordinate with the moulding bed plane that obtains, and get a plurality of key points at the edge and the middle part of the whole segmentation that simulates, find out the three-dimensional coordinate size of edge key point and middle part key point, draw each key point on the moulding bed plane plane coordinates and key point apart from the vertical distance on moulding bed plane;
3. always organize the place as the moulding bed plane with the boat segmental in the reality, in this place, set up the place system of axes identical with moulding bed plane in the computing machine, and in the system of axes of place, identify the plane coordinates of each key point, pillar stiffener is placed at the plane coordinates place of whole in the venue then segmentation middle part key point, the height of pillar stiffener equals the vertical distance of this middle part key point apart from the moulding bed plane, baffle plate is placed at plane coordinates place in the edge key point, and the height of baffle plate is greater than the vertical distance on this place's edge key point and moulding bed plane;
4. earlier segmentation with edge key point and middle part key point in the whole segmentation is winched on the pillar stiffener of correspondence position, the edge of this segmentation is butted on the baffle plate, then remaining each adjacent segmentation is positioned on the corresponding pillar stiffener successively with after lifting the paragraph alignment of finishing, the segmentation that lifting is finished positions, adorns weldering and stands up, and finishes the construction of whole segmentation.
Described step 1. in the least significant end of whole segmentation apart from moulding bed plane 〉=300mm, the most significant end of whole segmentation is apart from moulding bed plane≤2000mm.
The intersection point that the 2. middle key point of described step is boat segmental rib position and plate seam.
Be the steel moulding bed or put pier for cement in the pillar stiffener and the baffle plate of described step in 3..
Technological merit of the present invention:
The present invention regards a plurality of segmentations of boats and ships bow side of a ship portion as a big whole segmentation, then by its in length and breadth the line style variation tendency cut sth. askew, the plane of this total set of segmentation is reduced, adopt column to put pier again, by each total group unit segmentation of key point sizing, reduce the consumption of supporter with this, make constructing operation have more safety simultaneously, improve total group efficient.The application in practice of this method has solved two-way line style and has changed segmented general group difficulty greatly, has saved a large amount of moulding bed materials, has improved all transfer efficients in total group of place greatly, improves workmen's operating environment, about 60,000 yuan of the direct economic benefit of every ship.
Description of drawings
Fig. 1 obtains the scheme drawing on moulding bed plane for whole segmentation vertically being cut sth. askew in total group of methods of boats and ships bow side of a ship segment section of the present invention.
Fig. 2 obtains the scheme drawing on moulding bed plane for whole segmentation laterally being cut sth. askew in total group of methods of boats and ships bow side of a ship segment section of the present invention on the basis of vertically cutting sth. askew.
Fig. 3 is the installation procedure figure of total group of methods of boats and ships bow side of a ship segment section of the present invention.
Fig. 4 is the coordinate scheme drawing of key point among total group of methods embodiment of boats and ships bow side of a ship segment section of the present invention.
The specific embodiment
Come total group of methods of boats and ships bow side of a ship segment section of the present invention is described in further detail below in conjunction with accompanying drawing and specific embodiment, but can not therefore limit protection scope of the present invention.
The bow side of a ship segment section of boats and ships often all has complicated linear structure, produces each segmentation in the ship building process earlier, then complete cross section is formed in segmentation, complete cross section is lifted into big hull at last again.
Method of the present invention is carried out structural analysis to each composition segmentation on the boats and ships earlier, on the basis of analyzing these segmentations is combined into a whole segmentation.By the in length and breadth line style variation tendency of whole segmentation on hull, form the moulding bed plane at vertical horizontal stroke with to each partial application, make this total set of segmentation low as far as possible apart from this moulding bed plane, the total group of plane that makes practice adorn in welding reduces greatly.In whole segmentation, look for a plurality of key points and make its three-dimensional coordinate, adopt column to put pier again,, cut down the consumption of energy, improve total group efficient with this by each total group unit segmentation of sizing.The control step of this method as shown in Figure 3, Fig. 3 is the installation procedure figure of total group of methods of boats and ships bow side of a ship segment section of the present invention.
Embodiment
We are now with the example that is constructed to of 74500 tonnes bulge carrier, to being positioned at the first segmentation A of its bow side of a ship portion, and the second segmentation B, total group of process of the 3rd segmentation C and the 4th segmentation D segmentation specifically set forth the application in practice of the inventive method.
On 74500 tons of bulge carriers, the first segmentation A of bow side of a ship portion, the second segmentation B, changing greatly to line style in length and breadth of the 3rd segmentation C and the 4th segmentation D segmentation, need a large amount of propping materials during total the group, and the nadir height of pillar stiffener and vertex height nearly differ more than 5 meters, and this has brought many troubles for total group.
The thinking of segmented general group in the present embodiment: in reality, make earlier and finish the first segmentation A, the second segmentation B, the 3rd segmentation C and the 4th segmentation D, in computing machine, simulate whole hull then by simulation softwares such as AUTOCAD.The whole segmentation of being made up of four segmentations is found out in corresponding position on the hull of simulation, then according to the situation of change of line style in length and breadth of whole segmentation, form a moulding bed plane in each partial application of vertical and horizontal, set up the basic plane make with this moulding bed plane as segmented general, total group of plane when making the whole segmentation of this total group reduces as far as possible.On total set of segmentation, make key point and obtain the three-dimensional coordinate of each key point, as the moulding bed plane, sentence column in total group place and put pier, respectively become a whole segmentation according to sizing and welding at last as pillar stiffener with total group of place.
The detailed construction step of present embodiment is as follows:
1. at first according to drawing, the first segmentation A with the bow side of a ship portion of boats and ships, the second segmentation B, the 3rd segmentation C and the 4th segmentation D make and finish, in computing machine, simulate shipbuilding body yet to be built with AUTOCAD, and on this hull, find out the whole segmentation of the simulation formed by four segmentations, in computing machine, the whole segmentation of this simulation vertically cut sth. askew and obtain the moulding bed plane, vertically the intercepting angle is α, and then laterally to cut sth. askew to obtain the moulding bed plane on the basis of cutting sth. askew for the first time, the taken transverse angle is β, wherein vertically intercept the angle and be α=16.79 °, the taken transverse angle is β=81.63 °, concrete operations as depicted in figs. 1 and 2,1 among the figure is the hull that simulates, 11 are the simulation segmentation, 2 is vertical skew moulding bed plane, 2 ' be the moulding bed plane after laterally cutting sth. askew;
2. be that the basis rebulids three-dimensional system of coordinate with the moulding bed plane that obtains, the moulding bed plane is positioned at the x of three-dimensional system of coordinate, in the plane that the y coordinate axle is formed, and get a plurality of key points at the edge and the middle part of the whole segmentation that simulates, find out the three-dimensional coordinate size of edge key point and middle part key point, draw each key point on the moulding bed plane plane coordinates and key point apart from the vertical distance on moulding bed plane, the coordinate of the edge key point of the first segmentation A (mm of unit) wherein: A1 (2419,280,1964), A2 (1359,1223,2188), A3 (8337,149,737), A4 (1312,4295,2033), the coordinate (mm of unit) of middle part key point is: A5 (2409,1203,2030), A6 (2378,4210,1927), A7 (9354,1122,894), A8 (8409,8782,1075); The coordinate of the edge key point of the second segmentation B (mm of unit): B1 (1148,12689,1490), the coordinate of middle part key point (mm of unit): B2 (2236,12622,1457), B3 (8424,2107,1124); The coordinate of the edge key point of the 3rd segmentation C (mm of unit): C1 (10943,112,441), C2 (17272,94,578), the coordinate of middle part key point (mm of unit): C3 (10973,1123,642), C4 (11052,3522,902), C5 (17345,1260,919), C6 (17345,2680,1213); The coordinate of the middle part key point of the 4th segmentation D (mm of unit): D1 (11105,13191,1079), D2 (176461,12735,1915);
3. always organize the place as the moulding bed plane with the boat segmental in the reality, in this place, set up the place system of axes identical with moulding bed plane in the computing machine, and in the system of axes of place, identify the plane coordinates of each key point, pillar stiffener is placed at the plane coordinates place of whole in the venue then segmentation middle part key point, pillar stiffener is made by the steel moulding bed, the height of steel moulding bed equals the vertical distance of this middle part key point apart from the moulding bed plane, baffle plate is placed at plane coordinates place in the edge key point, baffle plate is put pier by cement and is made, the height of baffle plate is than the high 100mm of vertical distance on this place's edge key point and moulding bed plane, as shown in Figure 4, Fig. 4 is the coordinate scheme drawing of key point among total group of methods embodiment of boats and ships bow side of a ship segment section of the present invention, as seen from the figure, key point is each segmentation rib position and a plate seam intersection point on the actual boats and ships, key point marks each datum line and intersection point with laser, key point in the present embodiment is: the plane coordinates of the edge key point of the first segmentation A (mm of unit): A1 (2419,280), A2 (1359,1223), A3 (8337,149), A4 (1312,4295), the plane coordinates (mm of unit) of middle part key point is: A5 (2409,1203), A6 (2378,4210), A7 (9354,1122), A8 (8409,8782); The plane coordinates of the edge key point of the second segmentation B (mm of unit): B1 (1148,12689), the plane coordinates of middle part key point (mm of unit): B2 (2236,12622), B3 (8424,2107); The plane coordinates of the edge key point of the 3rd segmentation C (mm of unit): C1 (10943,112), C2 (17272,94), the plane coordinates (mm of unit) of middle part key point: C3 (10973,1123), C4 (11052,3522), C5 (17345,1260), C6 (17434,2680); The plane coordinates of the middle part key point of the 4th segmentation D (m of unit): D1 (11105,13191), D2 (176461,12735); Key point is each segmentation rib position and a plate seam intersection point on the actual boats and ships, key point marks each datum line and intersection point with laser, key point in the present embodiment: the height of baffle plate (mm of unit) at the key point place, edge of the first segmentation A: A1 '=2064, A2 '=2288, A3 '=837, A4 '=2133, the pillar stiffener height at middle part key point place (mm of unit) is: A5=2030, A6=1927, A7=894, A8=1075; The height (mm of unit) of key point place, the edge baffle plate of the second segmentation B: B1 '=1590, the pillar stiffener height at middle part key point place (mm of unit): B2=1457, B3=1124; The height (mm of unit) of key point place, the edge baffle plate of the 3rd segmentation C: C1 '=541, C2 '=678, the height (mm of unit) of middle part key point place pillar stiffener: C3=642, C4=902, C5=919, C6=1213; The height (mm of unit) of key point place, the middle part pillar stiffener of the 4th segmentation D: D1=1079, D2=1915;
The first segmentation A that 4. will have edge key point and middle part key point earlier winches on its pillar stiffener, the edge of the first segmentation A is butted on the baffle plate, then will with the second segmentation B, the 3rd segmentation C and the 4th segmentation D become whole segmentation with being positioned over after the first segmentation A alignment respectively successively on the cooresponding pillar stiffener, least significant end was 300mm apart from the moulding bed plane after whole segmentation was positioned on the pillar stiffener, the most significant end of whole segmentation is apart from moulding bed plane 2000mm, intersegmental weld seam welds each minute to this, finish a side fixing after, stand up and once more welding become a complete whole segmentation at last.
Undoubtedly, above-mentioned is a specific embodiment of the present invention, and method of the present invention can also have other conversion and substitute.Total group of methods of boats and ships bow side of a ship segment section of the present invention also comprises other conspicuous to those skilled in the art conversion and substitutes.

Claims (4)

1. total group of methods of a boats and ships bow side of a ship segment section is characterized in that this method mainly comprises the steps:
1. in reality, produce a plurality of adjacent sectional of boats and ships bow side of a ship portion, find out the whole segmentation of forming by above-mentioned segmentation on the simulation hull in computing machine, and the vertical and horizontal diclinic is carried out in the whole segmentation of this simulation cut to obtain the moulding bed plane, vertically the intercepting angle is α, the taken transverse angle is β, wherein, 0<α<90 °, 0<β<90 °;
2. be that the basis rebulids three-dimensional system of coordinate with the moulding bed plane that obtains, and get a plurality of key points at the edge and the middle part of the whole segmentation that simulates, find out the three-dimensional coordinate size of edge key point and middle part key point, draw each key point on the moulding bed plane plane coordinates and key point apart from the vertical distance on moulding bed plane;
3. always organize the place as the moulding bed plane with the boat segmental in the reality, in this place, set up the place system of axes identical with moulding bed plane in the computing machine, and in the system of axes of place, identify the plane coordinates of each key point, pillar stiffener is placed at the plane coordinates place of whole in the venue then segmentation middle part key point, the height of pillar stiffener equals the vertical distance of this middle part key point apart from the moulding bed plane, baffle plate is placed at plane coordinates place in the edge key point, and the height of baffle plate is greater than the vertical distance on this place's edge key point and moulding bed plane;
4. earlier segmentation with edge key point and middle part key point in the whole segmentation is winched on the pillar stiffener of correspondence position, the edge of this segmentation is butted on the baffle plate, then remaining each adjacent segmentation is positioned on the corresponding pillar stiffener successively with after lifting the paragraph alignment of finishing, the segmentation that lifting is finished positions, adorns weldering and stands up, and finishes the construction of whole segmentation.
2. total group of methods of boats and ships bow side of a ship segment section according to claim 1, the least significant end that it is characterized in that whole segmentation during described step is 1. is apart from moulding bed plane 〉=300mm, and the most significant end of whole segmentation is apart from moulding bed plane≤2000mm.
3. total group of methods of boats and ships bow side of a ship segment section according to claim 1 is characterized in that key point was the intersection point of boat segmental rib position and plate seam during described step 2..
4. total group of methods of boats and ships bow side of a ship segment section according to claim 1 is characterized in that pillar stiffener during described step 3. and baffle plate are the steel moulding bed or put pier for cement.
CNA2007100457106A 2007-09-07 2007-09-07 Sectionalized assembling method for ship bow luff part Pending CN101181926A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102019999A (en) * 2010-12-10 2011-04-20 广州中船黄埔造船有限公司 Horizontal general assembly method of curved surface sections of fore body
CN103365251A (en) * 2013-07-08 2013-10-23 中国北车集团大同电力机车有限责任公司 Steel structure implementation method for streamline-shaped contour of locomotive
CN104260828A (en) * 2014-09-12 2015-01-07 江苏扬子鑫福造船有限公司 Method for lifting extra-large type bow portion total segment
CN104635528A (en) * 2014-12-09 2015-05-20 中船黄埔文冲船舶有限公司 Double-oblique segmentation accuracy control method
CN104908885A (en) * 2015-06-30 2015-09-16 沪东中华造船(集团)有限公司 Overall manufacture method for forecastle bulwark of ship
CN105808891A (en) * 2016-04-27 2016-07-27 中船重工鹏力(南京)智能装备系统有限公司 System precision control method for ship block digitized manufacturing
CN105836595A (en) * 2016-06-20 2016-08-10 上海江南长兴造船有限责任公司 Method for turning over subsections and overall section
CN106114757A (en) * 2016-08-26 2016-11-16 福建东南造船有限公司 A kind of bow three dimensional unit construction technology
CN110466679A (en) * 2019-08-29 2019-11-19 广船国际有限公司 A kind of control method of curved outside plate segmentation line style precision
CN111605679A (en) * 2020-05-28 2020-09-01 上海外高桥造船有限公司 Overall assembly process for side block of 40-million-ton ore sand ship
CN111976915A (en) * 2020-08-26 2020-11-24 广船国际有限公司 Assembling method of steel structure
CN113044177A (en) * 2021-04-22 2021-06-29 中船黄埔文冲船舶有限公司 Ship section construction precision control method
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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102019999A (en) * 2010-12-10 2011-04-20 广州中船黄埔造船有限公司 Horizontal general assembly method of curved surface sections of fore body
CN103365251A (en) * 2013-07-08 2013-10-23 中国北车集团大同电力机车有限责任公司 Steel structure implementation method for streamline-shaped contour of locomotive
CN104260828A (en) * 2014-09-12 2015-01-07 江苏扬子鑫福造船有限公司 Method for lifting extra-large type bow portion total segment
CN104635528B (en) * 2014-12-09 2017-03-08 中船黄埔文冲船舶有限公司 Diclinic cutting section accuracy control method
CN104635528A (en) * 2014-12-09 2015-05-20 中船黄埔文冲船舶有限公司 Double-oblique segmentation accuracy control method
CN104908885A (en) * 2015-06-30 2015-09-16 沪东中华造船(集团)有限公司 Overall manufacture method for forecastle bulwark of ship
CN104908885B (en) * 2015-06-30 2018-09-21 沪东中华造船(集团)有限公司 A kind of ship forecastle bulwark integral production method
CN105808891A (en) * 2016-04-27 2016-07-27 中船重工鹏力(南京)智能装备系统有限公司 System precision control method for ship block digitized manufacturing
CN105808891B (en) * 2016-04-27 2019-03-05 中船重工鹏力(南京)智能装备系统有限公司 A kind of system accuracy control method for boat segmental Digitized manufacturing
CN105836595A (en) * 2016-06-20 2016-08-10 上海江南长兴造船有限责任公司 Method for turning over subsections and overall section
CN106114757A (en) * 2016-08-26 2016-11-16 福建东南造船有限公司 A kind of bow three dimensional unit construction technology
CN106114757B (en) * 2016-08-26 2018-06-19 福建东南造船有限公司 A kind of fore body three dimensional unit construction technology
CN110466679A (en) * 2019-08-29 2019-11-19 广船国际有限公司 A kind of control method of curved outside plate segmentation line style precision
CN110466679B (en) * 2019-08-29 2021-05-11 广船国际有限公司 Control method for linear precision of curved outer plate sections
CN111605679A (en) * 2020-05-28 2020-09-01 上海外高桥造船有限公司 Overall assembly process for side block of 40-million-ton ore sand ship
CN111605679B (en) * 2020-05-28 2021-12-17 上海外高桥造船有限公司 Overall assembly process for side block of 40-million-ton ore sand ship
CN111976915A (en) * 2020-08-26 2020-11-24 广船国际有限公司 Assembling method of steel structure
CN113044177A (en) * 2021-04-22 2021-06-29 中船黄埔文冲船舶有限公司 Ship section construction precision control method
CN114688934A (en) * 2022-06-02 2022-07-01 中海油能源发展股份有限公司采油服务分公司 Three-center alignment detection method and device for bilge part of ship
CN114688934B (en) * 2022-06-02 2022-07-29 中海油能源发展股份有限公司采油服务分公司 Three-center alignment detection method and device for bilge position of ship

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