CN110877687A - Intelligent manufacturing-oriented double-layer bottom segmentation design method for LNG ship - Google Patents
Intelligent manufacturing-oriented double-layer bottom segmentation design method for LNG ship Download PDFInfo
- Publication number
- CN110877687A CN110877687A CN201911117217.XA CN201911117217A CN110877687A CN 110877687 A CN110877687 A CN 110877687A CN 201911117217 A CN201911117217 A CN 201911117217A CN 110877687 A CN110877687 A CN 110877687A
- Authority
- CN
- China
- Prior art keywords
- assembly
- small
- plate
- longitudinal girder
- assemblage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000011218 segmentation Effects 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000638 solvent extraction Methods 0.000 claims 3
- 239000000969 carrier Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 25
- 239000013067 intermediate product Substances 0.000 abstract description 22
- 230000008569 process Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an intelligent manufacturing-oriented double-layer bottom subsection division design method for an LNG ship, which specifically comprises the following steps: dividing the double-layer bottom into an inner bottom plate middle assembly and an outer bottom plate middle assembly in a subsection mode; dividing the outer bottom plate middle assemblage into an outer plate secondary middle assemblage, a first longitudinal girder small assemblage, a second longitudinal girder small assemblage, a first rib plate small assemblage, a simple small assemblage and a longitudinal girder combined small assemblage; dividing the first longitudinal girder small assembly into a third longitudinal girder small assembly and a second rib plate small assembly; and compiling logistics codes for the intermediate products of each group respectively, and recording the logistics codes into a workshop manufacturing execution system. The double-layer bottom is divided into a plurality of small assembly intermediate products, middle assembly intermediate products and the like in a segmented mode, all the assembly intermediate products can be manufactured synchronously, and the construction quality and the construction efficiency of the assembly intermediate products are improved, so that the construction quality and the construction efficiency of the ship are improved.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a double-layer bottom section dividing design method for an intelligent manufacturing-oriented LNG ship.
Background
The LNG ship is a high-technology, high-difficulty and high-added-value three-high product, along with the rapid development of the ship industry, China has entered a main battlefield which is in positive competition with Japanese and Korean ship enterprises in the field of construction of the LNG ship, and compared with Japanese and Korean enterprises, the construction quality and the construction efficiency of the LNG ship in China still have a large gap. With the strategy of intelligent manufacturing proposed by the state, the implementation of intelligent shipbuilding in the ship industry becomes a necessary means for the high-quality and high-efficiency development of the ship industry in China and the implementation of curve overtaking in foreign excellent ship enterprises. The number of double-layer bottom sections of the LNG ship is large in the whole construction process of the LNG ship, intelligent equipment is most suitable for being used for construction, and the double-layer bottom sections have strong popularization utility in other types of straight section implementation intelligent manufacturing.
The double-layer bottom segmentation dividing method of the existing LNG ship has the following defects:
in the first and conventional segmentation process of the double-layer bottom of the LNG ship, the inner bottom plate and the outer bottom plate are not assembled, but the inner bottom plate and the outer bottom plate are directly welded with the jointed plates and the longitudinal frames on the jig frame in a semi-automatic mode. The dividing mode can not improve the welding efficiency on one hand, is not beneficial to improving the welding quality between the plates and the aggregates on the other hand, has large thermal deformation, can not ensure the flatness of the segments, and seriously influences the installation of the insulating box base and the insulating box in the subsequent construction process of the enclosure system.
In the second and conventional LNG ship double-layer bottom subsection division process, a series of small assemblies such as longitudinal girder small assemblies are not formed, and parts are directly hoisted to subsection manufacturing tire positions to be subjected to integral welding construction. The dividing mode is not beneficial to the overall spreading of the working face and the improvement of the sectional construction efficiency, and on the other hand, because a series of small assemblies such as the longitudinal girder small assembly and the like are not divided, the sectional welding operation is centralized in one area, the welding deformation is easily caused, the difficulty of precision control is improved, the loss of reinforcing materials is increased, and the improvement of the sectional manufacturing precision is not facilitated.
Third, the type and size division of the assemblage is not suitable for intelligent manufacturing equipment, as the intelligent manufacturing equipment has definite size and specification requirements for different small assemblage, medium assemblage and large assemblage. The type and the size of the current double-layer bottom section division of the LNG ship cannot completely meet the requirements of intelligent manufacturing equipment, so that a large number of assembly intermediate products cannot be built by the intelligent manufacturing equipment, the building efficiency and the building quality of the ship are influenced, the capacity of the intelligent manufacturing equipment is not fully exerted, and the labor cost and the investment on quality management are increased.
Disclosure of Invention
In view of the above, the invention provides an intelligent manufacturing-oriented double-layer bottom section dividing design method for an LNG ship, which can enable the construction working surface of the double-layer bottom section to be fully spread out, and improve the construction efficiency and the construction precision of the ship.
A double-layer bottom segmentation design method for an intelligent manufacturing-oriented LNG ship specifically comprises the following steps:
step 1: dividing the double-layer bottom into an inner bottom plate middle assembly and an outer bottom plate middle assembly in a subsection mode;
step 2: the outer bottom plate middle assemblage is divided into an outer plate secondary middle assemblage, and a plurality of first longitudinal girder small assemblage, a second longitudinal girder small assemblage, a plurality of first rib plate small assemblage, a plurality of simple small assemblage and a plurality of longitudinal girder combination small assemblage which are fixed on the outer plate secondary middle assemblage are arranged;
and step 3: dividing the first longitudinal girder minor assemblage into a third longitudinal girder minor assemblage and a plurality of second rib plate minor assemblages fixed on the third longitudinal girder minor assemblage;
and 4, step 4: and compiling logistics codes for the double-layer bottom subsection, the inner bottom plate middle assemblage, the outer plate secondary middle assemblage, the first longitudinal girder small assemblage, the second longitudinal girder small assemblage, the first rib plate small assemblage, the simple small assemblage, the third longitudinal girder small assemblage, the second rib plate small assemblage and the longitudinal girder small assemblage respectively, and recording the logistics codes into a workshop manufacturing execution system.
Preferably, the outer plate secondary assembly is a sheet plate frame structure and is composed of an outer plate and a plurality of longitudinal ribs arranged on the outer plate.
Preferably, the width L0 of the outer panel is less than the mast span of the gantry FCB welder.
Preferably, the third longitudinal girder minor assembly comprises a longitudinal girder plate and a plurality of wall materials, the longitudinal girder plate is formed by splicing a plurality of rectangular plates end to end, the plurality of wall materials are arranged on the longitudinal girder plate at equal intervals,
preferably, the distance L3 between two adjacent buttress materials is larger than the diagonal length of the cross section of the welding gun envelope of the small assembly robot.
Preferably, the first rib plate minor assembly comprises a rib plate and a plurality of rib plates arranged on the rib plate.
Preferably, the distance L4 between two adjacent rib plates is greater than the diagonal length of the cross section of the welding gun enveloping body of the small assembly robot, and the height L5 of the rib plates is greater than the maximum height of the welding leg of the vertical fillet welding of the small assembly robot.
Preferably, the simple small assembly comprises a toggle plate and a reinforcing rib fixed on the toggle plate.
Preferably, the inner bottom plate assembly comprises an inner bottom plate and a plurality of inner bottom longitudinal bones arranged on the inner bottom plate.
Preferably, the second longitudinal girder assemblage includes a longitudinal girder plate, a plurality of longitudinal reinforcing ribs equidistantly arranged on the longitudinal girder plate along a length direction of the longitudinal girder plate, and a plurality of transverse reinforcing ribs arranged between two longitudinal reinforcing ribs.
The invention has the beneficial effects that:
1. the dividing design method can divide the double-layer bottom into a plurality of small assembly intermediate products, such as the middle assembly intermediate products and the like in a segmented mode, the types and the sizes of the small assembly intermediate products and the middle assembly intermediate products obtained through dividing can meet the production requirements of intelligent manufacturing equipment, and the assembly intermediate products can be manufactured synchronously, so that the building quality and the building efficiency of the assembly intermediate products can be improved, and the building quality and the building efficiency of a ship can be improved.
2. Through carrying out the logistics coding to each assemblage intermediate product, can effectively manage assemblage intermediate product for the turnover rate in place has reduced the overstock of product, the effectual construction cycle who shortens the product.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used 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 it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a double-bottom section.
Fig. 2 is an exploded view of a double bottom section.
Fig. 3 is a schematic structural view of the assembly in the outer bottom plate.
Fig. 4 is an exploded view of the assemblage in the outer bottom plate.
Fig. 5 is a schematic structural view of the assemblage in the outer plate secondary.
Fig. 6 is an exploded view of the assemblage in the outer plate secondary.
FIG. 7 is a schematic view of the structure of the first stringer subassembly.
FIG. 8 is an exploded view of the first stringer subassembly.
FIG. 9 is a schematic view of the third stringer sub-assembly.
FIG. 10 is an exploded view of a third stringer sub-assembly.
Fig. 11 is a schematic view of the first rib plate subassembly.
Fig. 12 is an exploded view of the first rib sub-assembly.
Fig. 13 is a schematic view of the structure of a simple small assembly.
Figure 14 is an exploded view of a simple small assembly.
FIG. 15 is a schematic view of the structure assembled within the insole board.
FIG. 16 is an exploded view of the assembly of the inner chassis.
FIG. 17 is a schematic view of a second stringer subassembly.
Figure 18 is an exploded view of the second longitudinally quilted small assembly.
FIG. 19 is a schematic view of the assembly of stringer sub-assemblies.
Fig. 20 is an exploded view of the longitudinally quilted assembled small assembly.
The reference numerals in the figures have the meaning:
1 is a double-layer bottom section, 1-1 is a large assembly fillet weld, 2 is an inner bottom plate assembly, 2-1 is an inner bottom plate assembly fillet weld, 3 is an outer bottom plate assembly, 3-1 is a middle assembly fillet weld, 4 is an outer plate secondary assembly, 4-1 is a secondary middle assembly fillet weld, 5 is a longitudinal girder complex small assembly, 5-1 is a group assembly fillet weld, 6 is a second longitudinal girder small assembly, 6-1 is a second longitudinal girder group assembly fillet weld, 7 is a first rib plate small assembly, 7-1 is a rib plate small assembly fillet weld, 8 is an outer plate, 8-1 is an outer plate longitudinal plate seam, 9 is an inner bottom longitudinal skeleton, 10 is a third longitudinal girder small assembly, 10-1 is a third longitudinal girder small assembly fillet weld, 11 is a longitudinal girder plate, 11-1 is a longitudinal girder plate seam, 12 is a rib plate, 13 is a rib plate, 14 is a simple small assembly fillet weld, 14-1 is a simple assembly fillet weld, 15 is a toggle plate, 16 is a reinforcing rib, 17 is a buttress material, 18 is a second rib plate small assembly, 19 is a longitudinal girder combined small assembly, 20 is an inner bottom plate, 20-1 is an inner bottom longitudinal plate seam, 21 is an inner bottom longitudinal rib, 22 is a longitudinal reinforcing rib, 23 is a transverse reinforcing rib, 24 is a short longitudinal quilting group and 25 is a short crossbeam group.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The embodiment of the invention provides an intelligent manufacturing-oriented double-layer bottom subsection division design method for an LNG ship, which specifically comprises the following steps:
step 1: dividing the double-layer bottom subsection 1 into an inner bottom plate middle assembly 2 and an outer bottom plate middle assembly 3;
the inner bottom plate assembly 2 is of a sheet body plate frame structure and is composed of an inner bottom plate 20 and a plurality of inner bottom longitudinal ribs 21 arranged on the inner bottom plate 20, the inner bottom plate 20 is formed by splicing a plurality of plates, inner bottom longitudinal plate seams 20-1 on the inner bottom plate 20 and assembly fillet welds 2-1 in the inner bottom plate between the inner bottom plate 20 and the inner bottom longitudinal ribs 21 are welded by an FCB welding machine, the width L0 of the inner bottom plate 20 is smaller than a portal frame span of the FCB welding machine, and in the embodiment, the FCB welding machine is a portal frame welding machine.
Step 2: the outer bottom plate middle assemblage 3 is divided into an outer plate secondary middle assemblage 4, and a plurality of first longitudinal girder small assemblage 5, a second longitudinal girder small assemblage 6, a plurality of first rib plate small assemblage 7, a plurality of simple small assemblage 14 and two longitudinal girder combination small assemblage 19 which are fixed on the outer plate secondary middle assemblage 4;
The second longitudinal girder small assemblage 6 comprises a longitudinal girder plate 11, a plurality of longitudinal reinforcing ribs 22 and a plurality of transverse reinforcing ribs 23, wherein the longitudinal girder plate 11 is formed by splicing a plurality of rectangular plates end to end, and a longitudinal girder plate seam 11-1 on the longitudinal girder plate can be welded by a plate splicing robot. The longitudinal reinforcing ribs 22 are equidistantly arranged on the longitudinal truss plates 11 along the length direction of the longitudinal truss plates 11, the transverse reinforcing ribs 23 are arranged between the two longitudinal reinforcing ribs 22, the transverse reinforcing ribs 23 and second longitudinal truss minor group fillet welds 6-1 between the longitudinal truss plates 11 can be welded by using a minor group robot, and the distance L5 between the two adjacent longitudinal reinforcing ribs 22 is larger than the diagonal length of the cross section of a welding gun enveloping body of the minor group robot. The spacing L6 between the longitudinal bead 22 and an end of the transverse bead 23 is greater than 35 mm. In this embodiment, the small assembling robots are all gantry type small assembling robots.
When the thickness of the longitudinal girder plate 11 of the second longitudinal girder small assemblage 6 is less than 12mm, the overall length of the second longitudinal girder small assemblage 6 must be less than 10 m.
The first rib plate small group 7 comprises a rib plate 12 and a plurality of rib plates 13 arranged on the rib plate 12, the rib plate 12 is formed by splicing a plurality of plates, rib plate seams 12-1 on the rib plate 12 can be welded by a plate splicing robot, and rib plate small group fillet welds 7-1 between the rib plate 12 and the rib plates 13 are welded by small group robots. The distance L4 between two adjacent rib plates is larger than the diagonal length of the cross section of the welding gun enveloping body of the small group robot, and the height L5 of the rib plate 13 is larger than the maximum height of the welding leg of the vertical fillet welding of the small group robot.
The simple small assembly 14 comprises a toggle plate 15 and a reinforcing rib 16 fixed on the toggle plate 15, and the simple small assembly fillet weld 14-1 between the toggle plate 15 and the reinforcing rib 16 can be welded by a small assembly robot.
The longitudinal girder combination small group 19 comprises a short longitudinal girder group 24 and a short beam group 25, and a longitudinal girder combination small group fillet weld 19-1 between the short longitudinal girder group 24 and the short beam group 25 can be welded by a small group robot.
And step 3: dividing the first longitudinal girder small assemblage 5 into a third longitudinal girder small assemblage 10 and a plurality of second rib plate small assemblages 18 fixed on the third longitudinal girder small assemblage 10;
the third longitudinal girder small assemblage 10 comprises a longitudinal girder plate 11 and a plurality of wall supporting materials 17, wherein the longitudinal girder plate 11 is formed by splicing a plurality of rectangular plates end to end, and a longitudinal girder plate seam 11-1 on the longitudinal girder plate can be welded by a plate splicing robot. A plurality of buttress materials 17 are arranged on the longitudinal truss plates 11 at equal intervals, a third longitudinal truss minor erection fillet weld 10-1 between the buttress materials 17 and the longitudinal truss plates 11 can be welded by a small erection robot, and the distance L3 between every two adjacent buttress materials is larger than the length of a diagonal of the cross section of a welding gun envelope of the small erection robot. In this embodiment, the small assembling robots are all gantry type small assembling robots.
When the thickness of the longitudinal girder plate 11 of the third longitudinal girder minor assemblage 10 is less than 12mm, the overall length of the third longitudinal girder minor assemblage 10 must be less than 10 m.
And 4, step 4: the method comprises the steps of compiling logistics codes for a double-layer bottom subsection 1, an inner bottom plate middle assemblage 2, an outer bottom plate middle assemblage 3, an outer plate secondary middle assemblage 4, a first longitudinal girder small assemblage 5, a second longitudinal girder small assemblage 6, a first rib plate small assemblage 7, a third longitudinal girder small assemblage 10, a simple small assemblage 14, a second rib plate small assemblage 18 and a longitudinal girder small assemblage 19 respectively, and recording the logistics codes into a workshop manufacturing execution system. Each subsection or assemblage is correspondingly provided with a unique logistics code which is used for identifying the type of assemblage and the production site and production line of the type of assemblage. Meanwhile, construction design drawings of a double-layer bottom subsection 1, an inner bottom plate middle assembly 2, an outer bottom plate middle assembly 3, an outer plate secondary middle assembly 4, a first longitudinal girder small assembly 5, a second longitudinal girder small assembly 6, a first rib plate small assembly 7, a third longitudinal girder small assembly 10, a simple small assembly 14, a second rib plate small assembly 18 and a longitudinal girder small assembly 19 are recorded in a workshop manufacturing execution system, and the construction design drawings of all the assemblies correspond to logistics codes thereof.
In the subsequent process of constructing the double-layer bottom section 1, workers can synchronously manufacture the inner bottom plate middle assembly 2, the outer plate secondary middle assembly 4, the second longitudinal girder small assembly 6, the first rib plate small assembly 7, the third longitudinal girder small assembly 10, the simple small assembly 14, the second rib plate small assembly 18 and the longitudinal girder small assembly 19 on the production sites and production lines corresponding to the logistics coding and construction design drawings respectively according to the logistics coding and construction design drawings respectively corresponding to the inner bottom plate middle assembly 2, the outer plate secondary middle assembly 4, the second longitudinal girder small assembly 6, the first rib plate small assembly 7, the third longitudinal girder small assembly 10, the simple small assembly 14, the second rib plate small assembly 18 and the longitudinal girder small assembly 19;
and then, according to the logistics code and the construction design drawing corresponding to the first stringer small assemblage 5, welding and fixing a plurality of second rib plate small assemblages 18 on a third stringer small assemblage 10 at equal intervals in the rear of an intelligent small assemblage production line to generate the first stringer small assemblage 5. Small group fillet welds 5-1 between the third longitudinal girder small assembly 10 and the second rib plate small assembly 18 are welded by a small group robot, and the distance L1 between every two adjacent second rib plate small assemblies 18 is larger than the diagonal length of the cross section of a welding gun enveloping body of the small group robot;
then, according to the logistics code and the construction design drawing corresponding to the outer bottom plate middle assembly 3, in the rear path of the intelligent straight subsection workshop, the outer plate secondary middle assembly 4, the first longitudinal girder small assembly 5, the second longitudinal girder small assembly 6, the first rib plate small assembly 7, the simple small assembly 14 and the longitudinal girder combined small assembly 19 are welded according to the design drawing, and the middle assembly fillet weld 3-1 is welded by an inter-lattice robot to generate the outer bottom plate middle assembly 3. The outer plate secondary middle assembling unit 4, the first longitudinal girder small assembling unit 5, the second longitudinal girder small assembling unit 6, the first rib plate small assembling unit 7, the simple small assembling unit 14 and the longitudinal girder small assembling unit 19 form a lattice structure, and the length and the width of the minimum lattice structure are both larger than the length of a diagonal line of the cross section of a welding gun enveloping body of the lattice robot. The width of the assembly 3 in the outer bottom plate is smaller than the portal frame span of the robot between the lattices;
and finally, buckling the assembly 3 in the outer bottom plate to the assembly 2 in the inner bottom plate to fold in the assembly 2 in the outer bottom plate to generate the double-layer bottom section 1 on the outer field of the assembly part according to the logistics coding and construction design drawing corresponding to the double-layer bottom section 1. And a large assembly fillet weld 1-1 between the inner bottom plate middle assembly 2 and the outer bottom plate middle assembly 3 is welded by using a large assembly vertical welding robot.
The dividing design method can divide the double-layer bottom into a plurality of small assembly intermediate products, such as the middle assembly intermediate products and the like in a segmented mode, the types and the sizes of the small assembly intermediate products and the middle assembly intermediate products obtained through dividing can meet the production requirements of intelligent manufacturing equipment, and the assembly intermediate products can be manufactured synchronously, so that the building quality and the building efficiency of the assembly intermediate products can be improved, and the building quality and the building efficiency of a ship can be improved.
And through carrying out logistics coding on each assembly intermediate product, the assembly intermediate products can be effectively managed, the turnover rate of a site is accelerated, the overstock of the products is reduced, and the construction period of the products is effectively shortened.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A double-layer bottom segmentation design method for an intelligent manufacturing-oriented LNG ship is characterized by comprising the following steps:
step 1: dividing the double-layer bottom subsection (1) into an inner bottom plate middle assembly (2) and an outer bottom plate middle assembly (3);
step 2: the outer bottom plate middle assemblage (3) is divided into an outer plate secondary middle assemblage (4), and a plurality of first longitudinal girder small assemblage (5), a second longitudinal girder small assemblage (6), a plurality of first rib plate small assemblage (7), a plurality of simple small assemblage (14) and a plurality of longitudinal girder combined small assemblage (19) which are fixed on the outer plate secondary middle assemblage;
and step 3: dividing the first longitudinal girder small assembly (5) into a third longitudinal girder small assembly (10) and a plurality of second rib plate small assemblies (18) fixed on the third longitudinal girder small assembly (10);
and 4, step 4: the method comprises the steps of compiling logistics codes for a double-layer bottom subsection (1), an inner bottom plate middle assembly (2), an outer bottom plate middle assembly (3), an outer plate secondary middle assembly (4), a first longitudinal girder small assembly (5), a second longitudinal girder small assembly (6), a first rib plate small assembly (7), a simple small assembly (14), a third longitudinal girder small assembly (10), a second rib plate small assembly (18) and a longitudinal girder small assembly (19) respectively, and recording each logistics code into a workshop manufacturing execution system.
2. The design method for partitioning double-layer bottom of an intelligent manufacturing-oriented LNG ship according to claim 1, characterized in that the outer plate secondary intermediate assembly (4) is of a sheet plate frame structure and is composed of an outer plate (8) and a plurality of inner bottom longitudinals (9) arranged on the outer plate (8).
3. The intelligent manufacturing-oriented double-layer bottom subsection design method for the LNG ship, as claimed in claim 2, wherein the width L0 of the outer plate is smaller than a gantry span of a gantry FCB welder.
4. The design method for partitioning the double-layer bottom of the intelligent manufacturing-oriented LNG ship according to claim 1, wherein the third longitudinal girder small assembly (10) comprises a longitudinal girder plate (11) and a plurality of wall supporting materials (17), the longitudinal girder plate (11) is formed by splicing a plurality of rectangular plates end to end, and the plurality of wall supporting materials (17) are arranged on the longitudinal girder plate (11) at equal intervals.
5. The double-bottom subsection designing method for the intelligent manufacturing-oriented LNG ship as claimed in claim 4, wherein the distance L3 between two adjacent buttress materials (17) is larger than the diagonal length of the cross section of the envelope of the welding gun of the small-assembly robot.
6. The double-bottom subsection design method for intelligent manufacturing-oriented LNG carriers according to claim 1, characterized in that the first rib plate sub-assembly (7) comprises a rib plate (12) and a plurality of rib plates (13) arranged on the rib plate (12).
7. The double-layer bottom segmentation design method for the intelligent manufacturing-oriented LNG carrier according to claim 6, characterized in that a distance L4 between two adjacent rib plates (13) is larger than a diagonal length of a cross section of a welding gun envelope of the small assembly robot, and a height L5 of each rib plate (13) is larger than a maximum height of a welding leg of a fillet welding of the small assembly robot.
8. The double-bottom subsection design method for intelligent manufacturing-oriented LNG ships according to claim 1, characterized in that the simple small assembly (14) comprises a toggle plate (15) and a reinforcing rib (16) fixed on the toggle plate (15).
9. The double-bottom segmentation design method for LNG ships facing intelligent manufacturing according to claim 1, characterized in that the inner bottom plate middle assembly (2) comprises an inner bottom plate (20) and a plurality of inner bottom longitudinals (21) arranged on the inner bottom plate (20).
10. The design method for partitioning the double-layer bottom of the intelligent manufacturing-oriented LNG ship according to claim 1, wherein the second longitudinal girder small assemblage (6) comprises a longitudinal girder plate (11), a plurality of longitudinal reinforcing ribs (22) and a plurality of transverse reinforcing ribs (23), the plurality of longitudinal reinforcing ribs (22) are equidistantly arranged on the longitudinal girder plate (11) along the length direction of the longitudinal girder plate (11), and the transverse reinforcing ribs (23) are arranged between the two longitudinal reinforcing ribs (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117217.XA CN110877687A (en) | 2019-11-15 | 2019-11-15 | Intelligent manufacturing-oriented double-layer bottom segmentation design method for LNG ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117217.XA CN110877687A (en) | 2019-11-15 | 2019-11-15 | Intelligent manufacturing-oriented double-layer bottom segmentation design method for LNG ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110877687A true CN110877687A (en) | 2020-03-13 |
Family
ID=69730203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911117217.XA Pending CN110877687A (en) | 2019-11-15 | 2019-11-15 | Intelligent manufacturing-oriented double-layer bottom segmentation design method for LNG ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110877687A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210945A (en) * | 2021-05-21 | 2021-08-06 | 中船黄埔文冲船舶有限公司 | Middle assembly welding device, plane segmentation assembly line and middle assembly welding method |
| CN113753171A (en) * | 2021-10-14 | 2021-12-07 | 武汉理工大学 | Lightweight hull structure |
| CN115158538A (en) * | 2022-08-11 | 2022-10-11 | 上海外高桥造船有限公司 | Double-layer bottom cabin and double-layer bottom hoisting method |
| CN115230902A (en) * | 2022-07-13 | 2022-10-25 | 上海江南长兴造船有限责任公司 | Intelligent building method for ship section intermediate product assembly |
| CN115476983A (en) * | 2022-08-25 | 2022-12-16 | 上海江南长兴造船有限责任公司 | Double-layer bottom segmented manufacturing method based on virtual simulation |
| CN115959259A (en) * | 2023-01-16 | 2023-04-14 | 江南造船(集团)有限责任公司 | Construction precision control method for curved surface double-layer bottom structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120134772A (en) * | 2011-06-03 | 2012-12-12 | 현대중공업 주식회사 | Manufacturing method for tank top base medium subassembly of ship having duck keel |
| CN105015703A (en) * | 2014-04-15 | 2015-11-04 | 大连鸿运船舶重工工程技术有限公司 | Ship bottom segment assembly technology |
| KR20170050287A (en) * | 2015-10-30 | 2017-05-11 | 삼성중공업 주식회사 | Assembly method of double bottom curved block of vessel |
| CN108177730A (en) * | 2017-12-25 | 2018-06-19 | 沪东中华造船(集团)有限公司 | A kind of integrated method of construction of topside segmentation |
| CN109606549A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of sub- segmental structure of ship square chest and its assembly method |
| CN110065590A (en) * | 2019-04-23 | 2019-07-30 | 上海外高桥造船有限公司 | A kind of collection method of completing the square of ship hull parts |
-
2019
- 2019-11-15 CN CN201911117217.XA patent/CN110877687A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120134772A (en) * | 2011-06-03 | 2012-12-12 | 현대중공업 주식회사 | Manufacturing method for tank top base medium subassembly of ship having duck keel |
| CN105015703A (en) * | 2014-04-15 | 2015-11-04 | 大连鸿运船舶重工工程技术有限公司 | Ship bottom segment assembly technology |
| KR20170050287A (en) * | 2015-10-30 | 2017-05-11 | 삼성중공업 주식회사 | Assembly method of double bottom curved block of vessel |
| CN108177730A (en) * | 2017-12-25 | 2018-06-19 | 沪东中华造船(集团)有限公司 | A kind of integrated method of construction of topside segmentation |
| CN109606549A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of sub- segmental structure of ship square chest and its assembly method |
| CN110065590A (en) * | 2019-04-23 | 2019-07-30 | 上海外高桥造船有限公司 | A kind of collection method of completing the square of ship hull parts |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210945A (en) * | 2021-05-21 | 2021-08-06 | 中船黄埔文冲船舶有限公司 | Middle assembly welding device, plane segmentation assembly line and middle assembly welding method |
| CN113753171A (en) * | 2021-10-14 | 2021-12-07 | 武汉理工大学 | Lightweight hull structure |
| CN115230902A (en) * | 2022-07-13 | 2022-10-25 | 上海江南长兴造船有限责任公司 | Intelligent building method for ship section intermediate product assembly |
| CN115230902B (en) * | 2022-07-13 | 2023-12-08 | 沪东中华造船(集团)有限公司 | Intelligent building method for ship segmented intermediate product assembly |
| CN115158538A (en) * | 2022-08-11 | 2022-10-11 | 上海外高桥造船有限公司 | Double-layer bottom cabin and double-layer bottom hoisting method |
| CN115476983A (en) * | 2022-08-25 | 2022-12-16 | 上海江南长兴造船有限责任公司 | Double-layer bottom segmented manufacturing method based on virtual simulation |
| CN115476983B (en) * | 2022-08-25 | 2024-06-18 | 沪东中华造船(集团)有限公司 | Double-layer bottom segment manufacturing method based on virtual simulation |
| CN115959259A (en) * | 2023-01-16 | 2023-04-14 | 江南造船(集团)有限责任公司 | Construction precision control method for curved surface double-layer bottom structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110877693B (en) | Intelligent manufacturing method for double-layer bottom section of LNG ship | |
| CN110877687A (en) | Intelligent manufacturing-oriented double-layer bottom segmentation design method for LNG ship | |
| CN110667801B (en) | Sectional manufacturing method for deck of dome of LNG ship | |
| CN110937080B (en) | Construction method for assembling transverse compartment top plate of container ship | |
| CN108103938B (en) | A kind of double deck module solid trial assembly method of large steel girder | |
| CN109263794B (en) | Construction method of ro-ro passenger ship | |
| CN104908885A (en) | Overall manufacture method for forecastle bulwark of ship | |
| CN103406674A (en) | Method for manufacturing and welding wave web box type section beam and diaphragms | |
| CN202193176U (en) | Large bulbous bow module | |
| CN112078751B (en) | Construction method for lower pier seat section of FLNG ship | |
| CN108457374A (en) | A kind of box beam and column are linked and packed formula node preparation process and its node | |
| CN112109857A (en) | Construction method for double-phase stainless steel longitudinal bulkhead segment of chemical tanker | |
| CN110406829A (en) | Tank body assembly of tank truck and method of manufacturing the same | |
| CN216838920U (en) | Single-box multi-chamber steel box girder structure | |
| CN112124526B (en) | Method for manufacturing connecting bridge segment | |
| CN116516810A (en) | Steel shell mechanism of transition section of reinforced concrete combined tower and manufacturing method thereof | |
| CN219053291U (en) | Super-large-section double-wall reinforced concrete beam with ribs | |
| CN115559210B (en) | Super-large-section double-wall reinforced concrete beam rod piece structure | |
| CN218373374U (en) | Intensive stiffening rib bridge steel buttress structure | |
| CN205367485U (en) | Crane girder | |
| CN115673580B (en) | Manufacturing method of ultra-large section reinforced double-wall reinforced concrete beam | |
| CN102888989A (en) | Technology for processing complex irregularly-shaped honeycomb steel frame joints and steel frame joints | |
| CN115041853A (en) | Method for manufacturing upper chord block body with hollowed-out transverse connection | |
| CN211442485U (en) | CNG gas cylinder frame assembly suitable for through beam | |
| CN212577881U (en) | A welding auxiliary fixtures for steel case roof beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200313 |
|
| RJ01 | Rejection of invention patent application after publication |