CN115476983A - Double-layer bottom segmented manufacturing method based on virtual simulation - Google Patents
Double-layer bottom segmented manufacturing method based on virtual simulation Download PDFInfo
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- CN115476983A CN115476983A CN202211025586.8A CN202211025586A CN115476983A CN 115476983 A CN115476983 A CN 115476983A CN 202211025586 A CN202211025586 A CN 202211025586A CN 115476983 A CN115476983 A CN 115476983A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000013067 intermediate product Substances 0.000 claims abstract description 134
- 238000000034 method Methods 0.000 claims abstract description 50
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 43
- 238000010276 construction Methods 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 7
- 210000000988 bone and bone Anatomy 0.000 claims description 5
- 235000000396 iron Nutrition 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000011900 installation process Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/20—Monitoring properties or operating parameters of vessels in operation using models or simulation, e.g. statistical models or stochastic models
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Abstract
The invention discloses a double-layer bottom subsection manufacturing method based on virtual simulation, which comprises the following steps: s1, modeling the three-dimensional integrity of a double-layer bottom subsection, S2, dividing the subsection structure assembly, S3, virtually building intermediate products of all levels of small assemblies, S4, virtually building the intermediate products of all levels of middle assemblies, and S5, virtually assembling the subsection large assemblies. According to the invention, through a virtual simulation technology, assembly of the segmented structure is reasonably divided, the assembly sequence of the assembly is reasonably verified, and the pre-embedding and mounting stages of the structure bulk parts are reasonably verified, so that the scientificity and rationality of assembly division and the assembly sequence are realized; according to the method, the mode of reasonable division and installation process of the outfitting contained in the intermediate products at all levels is carried out by means of virtual simulation, the outfitting installation stage is moved forward, deformation of the outfitting in the laying process is avoided, and the optimal scheme of the assembly sequence and logistics is realized.
Description
Technical Field
The invention belongs to the field of ship construction, and particularly relates to a double-layer bottom section manufacturing method based on virtual simulation.
Background
Virtual simulation technology refers to virtual reality technology or simulation technology, which is technology for simulating one virtual system by another real system. The method is characterized in that a virtual assembly technology is applied to the assembly process design of the ship body segment, a virtual assembly environment is constructed, a segment three-dimensional model and an assembly equipment tool are led in, the assembly process is simulated, the matching and the assemblability of parts can be analyzed and verified at the segment assembly process design stage, the problems existing in the current assembly process design are effectively solved, the smooth field construction is ensured, the occurrence of rework is reduced or even avoided, the segment assembly time is shortened, the production cost is reduced, and unnecessary loss is reduced for shipbuilding enterprises. In the current ship double-layer bottom segmented construction process, the common process manufacturing and designing method has the following defects:
firstly, assembly division of a segmented structure is unreasonable, and due to the fact that verification is not performed in a virtual simulation mode, the existing double-layer bottom segmented assembly is unreasonable in division form and assembly sequence, the condition that the assembly division form is not matched with equipment resources often occurs, and assembly interference is caused due to the fact that the assembly sequence is not reasonable, so that rework is caused. In addition, due to the fact that the number of loose parts such as the watertight compensating plate and the toggle plate is too large, common designers can easily make the installation stages of the loose parts wrong in design and do not pre-embed the loose parts in advance, and therefore the loose parts can be assembled only by arranging temporary fabrication holes or modifying structures in the later stage, and the assembly efficiency is greatly influenced.
Secondly, the comprehensive construction sequence of the outfitting parts of all levels of assemblage is unreasonable, the existing outfitting part of all levels of assemblage is unreasonable in division stage due to the fact that verification is not carried out in a virtual simulation mode, the outfitting part installation stage is not moved forward as much as possible, deformation of the outfitting parts in the laying process is not fully considered due to the lack of simulation, in addition, the arrangement sequence of the outfitting parts in the tray is unreasonable, the outfitting part arranging time is long, the assembly efficiency is affected, in addition, the problem of the comprehensive assembly sequence of the outfitting parts and the structural parts is not fully verified, the situation of sample change occurs in the actual assembly process, and double losses of materials and construction periods are caused.
Thirdly, the matching relationship of the resource equipment is unreasonable, the design of the conventional sectional manufacturing method rarely models the resource equipment, the virtual simulation form is not verified, the matching relationship between the resource equipment and the assembly is not sufficiently made in the assembly and sectional construction processes of all levels, the influence of the construction period is caused due to incomplete consideration of various factors in the subsequent construction process, in addition, due to lack of simulation, the process piece and the reinforcement are unreasonably arranged, the reinforcement is wasted, the process optimization improvement renting is not well realized, in addition, the interference between the process piece and the installed outfitting piece is also frequently caused, the damage and rework phenomena of the installed outfitting piece are caused, and the construction cost and the construction period are greatly influenced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a double-layer bottom section manufacturing method based on virtual simulation, which solves the problems of low labor efficiency, low reworking quantity and rudder, poor quality stability, and influence on the ship construction period and construction cost caused by unreasonable process design in the prior art.
The invention solves the technical problems through the following technical scheme:
a double-layer bottom subsection manufacturing method based on virtual simulation comprises the following steps:
the method comprises the following steps of firstly, modeling the double-bottom subsection in a three-dimensional integrity mode, utilizing three-dimensional modeling software to model the double-bottom subsection, lofting a structure and an outfitting model, and finally forming a double-bottom subsection product model, wherein the model comprises a double-bottom subsection hull structure, a piping outfitting piece, an iron outfitting piece, an electric outfitting piece, a process piece and a structural bulk piece.
Secondly, dividing and assembling segmented structures; dividing the double-layer bottom segmented hull structure into a C inner bottom plate structure middle assemblage and an A outer bottom plate structure middle assemblage by utilizing three-dimensional modeling software; the assembly of the A outer baseboard structure is divided into an AB structure small assembly, an AH structure small assembly, an AFR structure small assembly, an AJ structure small assembly, an AFC structure small assembly, an AFL structure small assembly, an AFD structure small assembly, an AK structure small assembly and an AFE structure small assembly; the AFE structure small assembly is vertically arranged on the AB structure small assembly, and the C inner bottom plate structure middle assembly is parallel to the AB structure small assembly.
And step three, virtually building intermediate products of the small assembly at each level, and installing the zinc block iron outfitting piece and the watertight patch plate assembly on the AB structure small assembly by using virtual simulation software to finally form the AB structure small assembly intermediate product. And (4) installing the pipe support fitting-out piece and the cable flat iron on the AH structure small assembly to finally form an AH small assembly intermediate product. And (4) mounting the scaffold eye plate assembly piece and the structural hoisting ring assembly piece on the AFR small assembly to form an intermediate product of the AFR small assembly. And (4) installing the scaffold eye plate workpiece and the pipe support outfitting part under the node of the AJ structure small assembly to form an AJ small assembly intermediate product. And (4) mounting the scaffold eye plate assembly piece on the AFD small assembly to form an AFD small assembly intermediate product. And (4) mounting the scaffold eye plate tool piece on the AK small assembly structure to form an AK small assembly intermediate product. And (4) bringing the scaffold eye plate tooling part under the node of the AFE structure small assembly to form an AFE small assembly intermediate product.
And step four, virtually building the intermediate products in each stage, using the AB small group intermediate product as a building base surface by utilizing virtual simulation software, installing an AH small group intermediate product, before installing the AH small group intermediate product, dismantling two channel steel reinforcements on the AB small group intermediate product, after the AH small group intermediate product is installed, sequentially installing an AFR small group intermediate product, an AJ small group intermediate product, an AFC structure small group, an AFL structure small group, an AFD small group intermediate product, an AK small group intermediate product and an AFE small group intermediate product, and installing the scaffold eye plate assembly piece and the rib plate assembly piece on the AFR small group intermediate product and the AFD small group intermediate product after the small group assembly welding is finished. And (3) installing toggle plate loose parts on the AJ small assembly intermediate product, the AFC structure small assembly and the AJ small assembly intermediate product, installing pipe outfitting parts on the AH small assembly intermediate product, and finally forming the A outer bottom plate middle assembly intermediate product after the assembly and welding are finished. And (4) welding the watertight patch plate bulk parts and the pipe support outfitting parts to the C inner bottom plate structure to form an assembled intermediate product in the C inner bottom plate.
And fifthly, assembling virtual assembly work in a large assembly mode in a segmented mode, and constructing a resource equipment model by using virtual simulation software, wherein the resource equipment model comprises a construction platform field, a gantry crane, a traveling crane, a flat car, a tire frame and a tray. And hoisting the intermediate product assembled in the C inner bottom plate to the jig frame by using a crane, fixing the intermediate product assembled in the C inner bottom plate and the jig frame, conveying 2 trays to the disc edge of the jig frame, wherein one tray is internally provided with a toggle plate bulk part, and the other tray is internally provided with a cable flat iron and a pipe fitting-out part. And (3) turning over and hoisting the intermediate product assembled in the outer bottom plate A to the intermediate product assembled in the inner bottom plate C by using a gantry crane, well assembling and welding, sequentially installing the toggle plate loose parts (1-6-3), the cable flat iron, the pipe support fitting-out parts and the pipe fitting-out parts, and erecting the scaffold supporting parts and the scaffold plates for the convenience of subsequent segmented coating work. And B-shaped hanging ring process pieces are installed on the intermediate product assembled in the outer bottom plate A, and finally a segmented intermediate product is formed. And hoisting the segmented intermediate products to a gantry shelf by using a gantry crane, and finally transporting the segmented intermediate products to a coating workshop by using a flat car for sand washing and coating.
Preferably, in the third step, in order to prevent the watertight patch assembly from being unable to be installed or adjusted in the subsequent large assembling process, the watertight patch assembly is only required to be sleeved on the AB structure small vertical rib in the process of installing the watertight patch assembly, and the watertight patch assembly and the AB structure small vertical rib are not welded.
As a preferred technical scheme, in the third step, in order to prevent the deformation of the structure in the processes of lifting, stacking and transporting after the installation of the pipe support outfitting, two channel steel reinforcing pieces are installed at the tail ends of the rib plates of the small assembly of the AH structure, so that the precision of the rib plates of the small assembly of the AH structure is ensured, the pipe support outfitting is ensured to be on the same straight line, and the hard assembly phenomenon generated in the installation process of the subsequent pipe outfitting is avoided.
As a preferred technical solution, in the third step, in order to avoid damage to the scaffold eye plate assembly during stacking, the height of the scaffold eye plate assembly should be smaller than the height of the AFR small-assembly rib plate.
As a preferred technical solution, in the third step, in order to avoid damage to the scaffold eye plate assembly and the pipe support fitting-out piece in the stacking process, the height of the scaffold eye plate assembly and the pipe support fitting-out piece should be smaller than the height of the AJ structure small erection rib plate.
As a preferred technical solution, in the third step, in order to avoid damage to the scaffold eye plate assembly during stacking, the height of the scaffold eye plate assembly should be smaller than the height of the AFD small-set rib plate.
As a preferred technical solution, in the third step, in order to avoid damage to the scaffold eye plate toolings during stacking, the height of the scaffold eye plate toolings should be smaller than the height of the AK small-group rib plates.
As a preferred technical solution, in the third step, in order to avoid damage to the scaffold eye plate assembly during stacking, the height of the scaffold eye plate assembly should be smaller than the height of the AFE small assembling rib plate.
As a preferred technical scheme, in the fourth step, the C-shaped hoisting ring tooling part is installed on an intermediate product of the AB minor assembly, and in order to prevent the structure from deforming in the subsequent turning-over process, a channel steel reinforcement is installed near the structure of the installation area of the C-shaped hoisting ring tooling part.
Preferably, in the fourth step, the pipe fitting-out member does not interfere with the cable iron on the AH group erection intermediate product in the process of installing the pipe fitting-out member, so that the cable iron is not damaged.
Preferably, in the fifth step, for the structural members and the outfitting stored in the 2 trays, the outfitting which is installed first should be stored in the upper layer, so as to search for the outfitting, thereby saving the time for arranging the outfitting.
As a preferable technical scheme, in the fifth step, the toggle plate bulk parts are pre-embedded on the assembled intermediate products in the C inner bottom plate in advance, so that the situation that the structural members are difficult to enter the cabin after the assembled intermediate products in the A outer bottom plate are hoisted is avoided, and the efficiency of sectional assembly is improved.
Preferably, in the fifth step, in order to avoid mutual interference in the installation process of the structural member and the fitting-out member, the bracket fitting-out member and the pipe fitting-out member are installed first, the cable band iron above the bracket fitting-out member is installed after the installation is finished, and finally the pipe bracket fitting-out member and the pipe fitting-out member are installed.
Preferably, in the fifth step, when the scaffold board is installed, attention is paid to the fact that the scaffold board cannot interfere with the installed pipe outfitting.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, through a virtual simulation technology, assembly of the segmented structure is reasonably divided, the assembly sequence of the assembly is reasonably verified, and the pre-embedding and mounting stages of the structure bulk parts are reasonably verified, so that the scientificity and rationality of assembly division and the assembly sequence are realized; (2) according to the method, the mode of reasonable division and installation process of the outfitting contained in the intermediate products at all levels is carried out by means of virtual simulation, the outfitting installation stage is moved forward, deformation of the outfitting in the laying process is avoided, and the optimal scheme of the assembly sequence and logistics is realized.
(2) According to the invention, by means of virtual simulation, the intermediate product and the resource equipment are reasonably matched, the rework phenomenon in the subsequent construction process is avoided, and the comprehensive installation sequence of the craft pieces, the structure and the outfitting piece is comprehensively considered. Through foretell scheme, very big promotion the sectional assembly efficiency of double-deck end, avoided the damage of raw and other materials, practiced thrift the technology reinforcing material, promoted the sectional assembly quality of double-deck end, shortened the sectional construction cycle of double-deck end.
Drawings
FIG. 1 is a diagram of the model composition of a two-layer bottom segmented product of the present invention.
Fig. 2 is an assembled and divided view of the double-bottom segmented hull structure of the invention.
FIG. 3 is an assembled sectional view of the outer baseplate structure of invention A.
FIG. 4 is a schematic illustration of the construction of an AB group assemblage intermediate product of the present invention.
Figure 5 is a schematic of the building of an intermediate AH sub-assembly according to the invention.
FIG. 6 is a schematic illustration of the AFR small assemblage intermediate product construction of the present invention.
FIG. 7 is a schematic view of the construction of an AJ sub-assembly intermediate product of the present invention.
FIG. 8 is a schematic illustration of the AFD small building intermediate construction of the present invention.
FIG. 9 is a schematic diagram of the construction of AK group intermediate products according to the present invention.
Fig. 10 is a schematic illustration of the AFE subassembly intermediate construction of the present invention.
FIG. 11 is a schematic view of the construction of the assembled intermediate product in the outer bottom plate A of the present invention.
FIG. 12 is a schematic view of the construction of an intermediate product assembled in a base plate in the present invention C.
FIG. 13 is a resource device model diagram of the present invention.
FIG. 14 is a schematic view of the assembly of an intermediate product upper tire in the bottom plate of the invention C.
FIG. 15 is a schematic illustration of the assembly of intermediate product toggle pieces in the bottom plate of the present invention C, shown pre-installed.
FIG. 16 is a schematic view of turning over and hoisting an assembled intermediate product in an outer bottom plate A of the invention.
Figure 17 double bottom piece intermediate outfitting schematic.
Figure 18 is a schematic view of a two-layer bottom section intermediate work piece installation.
Figure 19 schematic view of a double bottom section intermediate product transport.
Wherein the reference numerals are specified as follows:
1-a double-bottom segmented product model; 1-a double-bottom segmented hull structure; 1-1-1-C inner bottom plate structure; 1-1-2-A outer baseboard structure; 1-1-2-1-AB structure is assembled; 1-1-2-1-1-AB structure small assembled longitudinal bone; 1-1-2-AH structure is assembled in small groups; 1-1-2-2-1-AH structure small assembled rib plate; 1-1-2-3-AFR structure is small; 1-1-2-3-1-AFR small assembled rib plate; 1-1-2-4-AJ structure is small; 1-1-2-4-1-AJ structure small assembled rib plate; 1-1-2-5-AFC structure; 1-1-2-6-AFL structure small assembly; 1-1-2-7-AFD structure small assembly; 1-1-2-7-1-AFD small assembled rib plate; 1-1-2-8-AK structure is assembled in small groups; 1-1-2-8-1-AK small assembled rib plate; 1-1-2-9-AFE structure small assembly; 1-1-2-9-1-AFE small assembling rib plate; 1-2-piping outfitting; 1-2-1-a tube support fitting-out; 1-2-a pipe fitting-out; 1-3-iron outfitting; 1-3-1-zinc block iron outfitting; 1-4-electrical outfitting; 1-4-1-cable flat iron; 1-5-a craft piece; 1-5-1-channel steel reinforcement; 1-5-2-scaffold eye plate workpiece; 1-5-3-structural hoisting ring tooling component; 1-5-4-C type rings frock piece; 1-5-a scaffold support; 1-5-6-scaffold board; 1-5-7-B type hanging ring craft pieces; 1-6-structural bulk; 1-6-1-watertight patch loose parts; 1-6-2-rib plate loose parts; 1-6-3-toggle plate loose parts; 1-7-group AB intermediate products; 1-8-AH panel intermediate products; 1-9-AFR small group intermediate product; 1-10-AJ minor group intermediate product; 1-11-AFD minor group intermediate products; 1-12-AK small group intermediate products; 1-13-AFE small set of intermediate products; 1-14-A assembling intermediate products in the outer bottom plate; 1-15-C, assembling intermediate products in the bottom plate; 2-a segmented intermediate product; 2-1, building a platform field; 2-gantry crane; 2-3-crane; 2-4-flatbed cart; 2-5-a jig frame; 2-6-trays; 2-7-gantry shelf; 2-8-flat car.
Detailed Description
The following is a detailed description of the method for manufacturing a double-layer bottom segment based on virtual simulation, which is provided in conjunction with the accompanying drawings, so as to clearly understand the application process of the method of the present invention, but the scope of the present invention should not be limited thereby.
As shown in fig. 1 to fig. 19, the present embodiment is a method for manufacturing a dual-layer bottom segment based on virtual simulation, the method comprising the following steps:
s1, modeling the double-layer bottom section in a three-dimensional integrity mode, namely modeling the double-layer bottom section by using three-dimensional modeling software as shown in figure 1, lofting a structure and outfitting model, and finally forming a double-layer bottom section product model 1, wherein the model comprises a double-layer bottom section hull structure 1-1, a piping outfitting 1-2, an iron outfitting 1-3, an electric outfitting 1-4, a process part 1-5 and a structure bulk part 1-6.
S2, dividing and assembling the segmented structures; as shown in fig. 2, the double-layer bottom segmented hull structure is divided into an assembly 1-1-1 in a C-shaped bottom plate structure and an assembly 1-1-2 in an a-shaped bottom plate structure by using three-dimensional modeling software; as shown in FIG. 3, the assembly 1-1-2 in the A outer baseboard structure is divided into AB structure small assembly 1-1-2-1, AH structure small assembly 1-1-2-2, AFR structure small assembly 1-1-2-3, AJ structure small assembly 1-1-2-4, AFC structure small assembly 1-1-2-5, AFL structure small assembly 1-1-2-6, AFD structure small assembly 1-1-2-7, AK structure small assembly 1-1-2-8, AFE structure small assembly 1-1-2-9; the AFE structure small assembly is 1-1-2-2, the AFR structure small assembly is 1-1-2-3, the AJ structure small assembly is 1-1-2-4, the AFC structure small assembly is 1-1-2-5, the AFL structure small assembly is 1-1-2-6, the AFD structure small assembly is 1-1-2-7, and the AK structure small assembly is 1-1-2-8, the AFE structure small assembly 1-1-2-9 is vertically arranged on the AB structure small assembly 1-1-2-1, and the assembly 1-1-1 in the C inner bottom plate structure is parallel to the AB structure small assembly 1-1-2-1;
s3, virtually constructing the small assembly intermediate products at all levels, as shown in a figure 4, installing the zinc block iron fitting-out 1-3-1 and the watertight patch board assembly 1-6-1 on the AB structure small assembly 1-1-2-1 by utilizing virtual simulation software, in order to prevent the situation that the watertight patch board assembly 1-6-1 cannot be installed or cannot be adjusted in the subsequent large assembly process, only the watertight patch board assembly 1-6-1 needs to be sleeved on the AB structure small assembly longitudinal bone 1-1-2-1-1 in the installation process of the watertight patch board assembly 1-6-1, the watertight patch board assembly 1-6-1 and the AB structure small assembly longitudinal bone 1-1-2-1 are not welded, and finally forming the AB structure small assembly intermediate product 1-7.
As shown in fig. 5, a pipe support fitting-out member 1-2-1 and a cable band iron 1-4-1 are installed on an AH structure small assembly 1-1-2-2, and in order to prevent the deformation of the structure in the processes of lifting, stacking and transporting after the pipe support fitting-out member 1-2-1 is installed, two channel steel reinforcing members 1-5-1 are installed at the tail ends of rib plates 1-1-2-2-1 of the AH structure small assembly, so that the precision of the rib plates 1-1-2-2-1 of the AH structure small assembly is guaranteed, the pipe support fitting-out member 1-2-1 is guaranteed to be on the same straight line, the hard assembly phenomenon in the subsequent pipe fitting-out member installation process is avoided, and finally an AH small assembly intermediate product 1-8 is formed.
As shown in fig. 6, the scaffold eye plate workpiece 1-5-2 and the structural eye ring workpiece 1-5-3 are mounted on the AFR small assemblage 1-1-2-3 to form an AFR small assemblage intermediate product 1-9, and in order to avoid damage to the scaffold eye plate workpiece 1-5-2 in the stacking process, the height of the scaffold eye plate workpiece 1-5-2 should be smaller than that of the AFR small assemblage rib plate 1-1-2-3-1.
As shown in fig. 7, the scaffold eye plate assembly 1-5-2 and the pipe support fitting-out 1-2-1 are installed below the node of the AJ structure small assembly 1-1-2-4 to form an AJ small assembly intermediate product 1-10, and in order to avoid damage to the scaffold eye plate assembly 1-5-2 and the pipe support fitting-out 1-2-1 during stacking, the height of the scaffold eye plate assembly 1-5-2 and the pipe support fitting-out 1-2-1 should be smaller than the height of the AJ structure small assembly rib plate 1-1-2-4-1.
As shown in fig. 8, the scaffold eye plate assembly 1-5-2 is mounted on the AFD structure small assembly 1-1-2-7 to form an AFD small assembly intermediate product 1-11, and in order to avoid damage to the scaffold eye plate assembly 1-5-2 during stacking, the height of the scaffold eye plate assembly 1-5-2 should be smaller than the height of the AFD small assembly rib plate 1-1-2-7-1.
As shown in figure 9, the scaffold eye plate work piece 1-5-2 is installed on the AK structure small assembly 1-1-2-8 to form an AK small assembly intermediate product 1-12, and in order to avoid damage of the scaffold eye plate work piece 1-5-2 in the stacking process, the height of the scaffold eye plate work piece 1-5-2 should be smaller than that of the AK small assembly rib plate 1-1-2-8-1.
As shown in fig. 10, the scaffold eye plate assembly 1-5-2 is inserted under the node of the AFE small assembly 1-1-2-9 to form an AFE small assembly intermediate 1-13, and in order to avoid the damage of the scaffold eye plate assembly 1-5-2 during the stacking process, the height of the scaffold eye plate assembly 1-5-2 should be smaller than the height of the AFE small assembly rib plate 1-1-2-9-1.
S4, virtually building the intermediate assembly products in each level, as shown in fig. 11, using virtual simulation software, using AB small assembly intermediate products 1-7 as building base surfaces, installing AH small assembly intermediate products 1-8, before installing AH small assembly intermediate products 1-8, removing two channel steel reinforcements 1-5-1 thereon, after the installation of AH small assembly intermediate products 1-8 is finished, sequentially installing AFR small assembly intermediate products 1-9, AJ small assembly intermediate products 1-10, AFC structure small assembly 1-1-2-5, AFL structure small assembly 1-1-2-6, AFD small assembly intermediate products 1-11, AK small assembly intermediate products 1-12 and AFE small assembly intermediate products 1-13, after the completion of the welding of the small assemblies, installing scaffold eye plate assemblies 1-5-2 and bulk assemblies 1-6-2 on the AB small assembly intermediate products 1-9 and D small assembly intermediate products 1-11, installing C5-5 intermediate assemblies on the C1-5 intermediate assemblies, installing C5-5 rings on the turning-5 intermediate assemblies, and installing rings on the C1-5 rings 1-5 intermediate assemblies, and preventing the turning ring structures of the subsequent turning over type intermediate products 1-4. The method comprises the steps that 1-10 parts of an AJ small assembly intermediate product, 1-1-2-5 parts of an AFC structure small assembly and 1-12 parts of the AJ small assembly intermediate product are provided with toggle plate loose parts 1-6-3, 1-2-2 parts of an AH small assembly intermediate product are provided with pipe loose parts 1-8, and in the process of installing the pipe loose parts 1-2-2, the pipe loose parts 1-2-2 and cable band irons 1-4-1 on the AH small assembly intermediate product 1-8 do not interfere with each other so that the cable band irons 1-4-1 are prevented from being damaged, and the A outer bottom plate intermediate product 1-14 is finally formed after welding.
As shown in figure 12, a watertight patch board assembly 1-6-1 and a pipe support fitting-out 1-2-1 are welded on an assembly 1-1-1-1 in a C inner bottom board structure to form an assembly intermediate product 1-15 in the C inner bottom board.
S5, assembling and virtually assembling in a large segmentation mode, and building a resource equipment model by utilizing virtual simulation software as shown in the figure 13, wherein the resource equipment model comprises a building platform field 2-1, a gantry crane 2-2, a traveling crane 2-3, a flat car 2-4, a moulding bed 2-5 and a tray 2-6. As shown in fig. 14, the intermediate products 1-15 assembled in the C-inner bottom plate are hoisted to the jig frame 2-5 by using the crane 2-3, the intermediate products 1-15 assembled in the C-inner bottom plate and the jig frame 2-5 are well fixed, 2 trays 2-6 are conveyed to the rim of the jig frame 2-5, one tray is provided with the toggle plate loose parts 1-6-3, and the other tray is provided with the cable tie 1-4-1 and the pipe fitting parts 1-2-2, for the structural members and fitting parts stored in the 2 trays 2-6, the fitting parts which are firstly installed should be stored in the upper layer so as to be convenient for the searching of the fitting parts, and thus the material sorting time is saved.
As shown in fig. 15, the toggle plate bulk parts 1-6-3 are pre-embedded on the intermediate products 1-15 assembled in the C inner bottom plate in advance, so that the situation that the structural members are difficult to put into the cabin after the intermediate products 1-14 assembled in the A outer bottom plate are hoisted is avoided, and the efficiency of sectional assembly is improved.
Turning over and hoisting the assembled intermediate products 1-14 in the outer bottom plate A to the assembled intermediate products 1-15 in the inner bottom plate C by using a gantry crane 2-2 as shown in figure 16, well as carrying out assembling and welding work, installing the toggle plate bulk parts 1-6-3, the cable band iron 1-4-1, the pipe support fitting parts 1-2-1 and the pipe fitting parts 1-2-2 as shown in figure 17, and erecting the cable band iron 1-4-1 above the toggle plate bulk parts 1-6-3 and the hand plates 1-5-6 for the convenience of coating work of subsequent sections, wherein the toggle plate bulk parts 1-6-3 are firstly installed, the cable band iron 1-4-1 above the toggle plate bulk parts 1-6-3 is installed after the installation, and the pipe support fitting parts 1-2-1 and the pipe fitting parts 1-2-2 are installed, and the hand plates 1-5-6 are installed when the hand plates 1-5-6 and the hand plates 1-2 cannot be installed. As shown in fig. 18, B-shaped hanging ring art pieces 1-5-7 are installed on the intermediate products 1-14 assembled in the outer bottom plate a, and finally the segmented intermediate product 2 is formed. As shown in fig. 19, the sectional intermediate product 2 is hoisted to a gantry shelf 2-7 by a gantry crane 2-2, and finally the sectional intermediate product 2 is transported to a coating workshop by a flat car 2-8 for sand washing and coating.
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 (10)
1. A double-layer bottom subsection manufacturing method based on virtual simulation is characterized by comprising the following steps:
the method comprises the following steps of firstly, carrying out three-dimensional modeling on a double-bottom section by utilizing three-dimensional modeling software to obtain a double-bottom section product model (1), wherein the product model comprises a double-bottom section ship structure (1-1), a piping fitting (1-2), an iron fitting (1-3), an electric fitting (1-4), a process piece (1-5) and a structural bulk piece (1-6);
secondly, dividing and assembling segmented structures; dividing the double-layer bottom segmented hull structure into a C inner bottom plate structure middle assembly (1-1-1) and an A outer bottom plate structure middle assembly (1-1-2) by utilizing three-dimensional modeling software; a, an outer baseboard structure middle assembly (1-1-2) is divided into an AB structure small assembly (1-1-2-1), an AH structure small assembly (1-1-2-2), an AFR structure small assembly (1-1-2-3), an AJ structure small assembly (1-1-2-4), an AFC structure small assembly (1-1-2-5), an AFL structure small assembly (1-1-2-6), an AFD structure small assembly (1-1-2-7), an AK structure small assembly (1-1-2-8) and an AFE structure small assembly (1-1-2-9); the AFE structure small assembly comprises an AH structure small assembly (1-1-2-2), an AFR structure small assembly (1-1-2-3), an AJ structure small assembly (1-1-2-4), an AFC structure small assembly (1-1-2-5), an AFL structure small assembly (1-1-2-6), an AFD structure small assembly (1-1-2-7) and an AK structure small assembly (1-1-2-8), wherein the AFE structure small assembly (1-1-2-9) is vertically arranged on the AB structure small assembly (1-1-2-1), and the C inner bottom plate structure small assembly (1-1-1) is parallel to the AB structure small assembly (1-1-2-1);
step three, building intermediate products of small building at all levels; installing the zinc block iron outfitting piece (1-3) and the watertight patch plate bulk part (1-6-1) on the AB structure small assembly (1-1-2-1) by utilizing virtual simulation software to form an AB small assembly intermediate product (1-7); mounting a pipe support fitting-out piece (1-2-1) and a cable flat iron (1-4-1) on an AH structure small assembly (1-1-2-2) to form an AH small assembly intermediate product (1-8); mounting the scaffold eye plate assembly part (1-5-2) and the structural hoisting ring assembly part (1-5-3) on the AFR small assembly (1-1-2-3) to form an AFR small assembly intermediate product (1-9); installing a scaffold eye plate workpiece (1-5-2) and a pipe support outfitting piece (1-2-1) below a node of the AJ structure small assembly (1-1-2-4) to form an AJ small assembly intermediate product (1-10); mounting the scaffold eye plate assembly piece (1-5-2) on an AFD small assembly (1-1-2-7) to form an AFD small assembly intermediate product (1-11); mounting the scaffold eye plate assembly piece (1-5-2) on an AK small assembly (1-1-2-8) to form an AK small assembly intermediate product (1-12); bringing the scaffold eye plate assembly (1-5-2) under the node of the AFE structure small assembly (1-1-2-9) to form an AFE small assembly intermediate product (1-13);
step four, virtually building the intermediate assembly in each level, sequentially installing AH small assembly intermediate products (1-8), AFR small assembly intermediate products (1-9), AJ small assembly intermediate products (1-10), AFC structure small assemblies (1-1-2-5), AFL structure small assemblies (1-1-2-6), AFD small assembly intermediate products (1-11), AK small assembly intermediate products (1-12) and AFE small assembly intermediate products (1-13) by using AB small assembly intermediate products (1-7) as a building base surface by using virtual simulation software, respectively installing scaffold eye plate assemblies (1-5-2) and loose parts (1-6-2) on the AFR small assembly intermediate products (1-9) and the AFD small assembly intermediate products (1-11), installing rib plate assemblies (1-10), rib plate structure small assemblies (1-1-2-5) and AJ small assembly intermediate products (1-12) on the AFE small assembly intermediate products (1-11), installing rib plate assemblies (1-6-1) on the AFC small assembly intermediate products (1-1-2), and installing final elbow plate assemblies (1-14) on AFC small assembly intermediate products (1-3) and installing AFE small assemblies (1-2) and fitting up tubes); welding the watertight patch plate bulk parts (1-6-1) and the pipe support outfitting parts (1-2-1) to the assembly (1-1-1) in the C inner bottom plate structure to form an assembly intermediate product (1-15) in the C inner bottom plate;
step five, assembling in a large group in sections and virtually assembling; turning over and hoisting the assembled intermediate products (1-14) in the outer bottom plate A to the assembled intermediate products (1-15) in the inner bottom plate C by using virtual simulation software, after welding and assembling, sequentially installing toggle plate loose parts (1-6-3), cable band irons (1-4-1), pipe support fittings (1-2-1) and pipe fittings (1-2-2), erecting scaffold supporting parts (1-5-5) and scaffold plates (1-5-6), installing B-type hoisting ring process parts (1-5-7) on the assembled intermediate products (1-14) in the outer bottom plate A, and finally forming the segmented intermediate products (2).
2. The double-layer bottom subsection manufacturing method based on virtual simulation as claimed in claim 1, wherein in the third step, in the process of installing the watertight patch loose part (1-6-1), the watertight patch loose part (1-6-1) is sleeved on the AB structure small assembling longitudinal bone (1-1-2-1-1), and the watertight patch loose part (1-6-1) and the AB structure small assembling longitudinal bone (1-1-2-1-1) are not welded; two channel steel reinforcements (1-5-1) are arranged at the tail ends of the ribbed plates (1-1-2-2-1) of the small assembly of the AH structure.
3. The virtual simulation based double-layer bottom section manufacturing method according to claim 1, wherein in the third step, the height of the scaffold eye plate assembly (1-5-2) is smaller than the height of the AFR small group stud plate (1-1-2-3-1); the height of the scaffold eye plate work piece (1-5-2) and the pipe support outfitting piece (1-2-1) is smaller than that of the AJ structure small assembly rib plate (1-1-2-4-1); the height of the scaffold eye plate assembly (1-5-2) is less than that of the AFD small group stud plate (1-1-2-7-1); the height of the scaffold eye plate work piece (1-5-2) is less than that of the AK group stud plate (1-1-2-8-1); the height of the scaffold eye plate tooling (1-5-2) is less than the height of the AFE group stud plate (1-1-2-9-1).
4. A method for manufacturing a double bottom section based on virtual simulation according to claim 1, wherein in the fourth step, two channel reinforcements (1-5-1) are removed before the AH minor erection intermediate product (1-8) is installed.
5. The double-layer bottom subsection manufacturing method based on virtual simulation as claimed in claim 1, wherein in the fourth step, the C-shaped hoisting ring tool assembly (1-5-4) is installed on the AB small set of intermediate products (1-7), and a channel steel reinforcement (1-5-1) is installed near the structure of the installation area of the C-shaped hoisting ring tool assembly (1-5-4); in the process of installing the pipe fitting-out piece (1-2-2), the pipe fitting-out piece (1-2-2) and the cable flat iron (1-4-1) on the AH minor erection intermediate product (1-8) do not interfere with each other.
6. The double-layer bottom subsection manufacturing method based on virtual simulation of claim 1, wherein in the fifth step, a resource equipment model is constructed by using virtual simulation software, and the resource equipment model comprises a construction platform field (2-1), a gantry crane (2-2), a traveling crane (2-3), a flat car (2-4), a jig frame (2-5) and a pallet (2-6). Hoisting intermediate products (1-15) assembled in the C inner bottom plate to a jig frame (2-5) by using a crane (2-3), fixing the intermediate products (1-15) assembled in the C inner bottom plate to the jig frame (2-5), conveying 2 trays (2-6) to the disc edge of the jig frame (2-5), storing elbow plate loose parts (1-6-3) in one tray, storing cable flat irons (1-4-1) and pipe fittings (1-2-2) in one tray, hoisting the intermediate products (1-14) assembled in the A outer bottom plate to the intermediate products (1-15) assembled in the C inner bottom plate by using a gantry crane (2-2), hoisting the segmented intermediate products (2) to a gantry shelf (2-7) by using the gantry crane (2-2), and finally transporting the segmented intermediate products (2) to a coating workshop by using a flat car (2-8) for sand washing and coating.
7. A method of double bottom subsection manufacturing based on virtual simulation according to claim 6, characterized in that the outfitting to be installed first is stored on top of 2 trays (2-6).
8. The double bottom subsection manufacturing method based on virtual simulation as claimed in claim 6, characterized in that the toggle plate loose parts (1-6-3) are pre-embedded in advance on the assembled intermediate products (1-15) in the C inner bottom plate.
9. The double-bottom subsection manufacturing method based on virtual simulation as claimed in claim 1, characterized in that the toggle plate bulk part (1-6-3) is installed first, then the cable band iron (1-4-1) above the toggle plate bulk part (1-6-3) is installed, and finally the pipe support outfitting (1-2-1) and the pipe outfitting (1-2-2) are installed.
10. The method for manufacturing a double-bottom section based on virtual simulation according to claim 1, wherein the scaffold boards (1-5-6) do not interfere with the installed pipe fittings (1-2-2) when the scaffold boards (1-5-6) are erected in S5.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070004612A (en) * | 2006-07-31 | 2007-01-09 | 마르세가글리아 빌딩 에스. 피. 에이. | Process for the assembly of a scaffolding structure and relative scaffolding structure |
| CN202539874U (en) * | 2012-03-30 | 2012-11-21 | 中国长江航运集团宜昌船厂 | Forming die for manufacturing sectioned medium-sized assembling poieces of ship |
| CN102848091A (en) * | 2012-09-04 | 2013-01-02 | 福建省华海船业有限公司 | Ship double bottom block assembly welding technology |
| CN106428420A (en) * | 2016-10-17 | 2017-02-22 | 上海江南长兴造船有限责任公司 | Method for mounting ultra-large container ship crack arrest steel hatch coaming |
| CN108993844A (en) * | 2018-08-17 | 2018-12-14 | 江苏华滋海洋工程有限公司 | The shell Xi of flow container applies institutional operation scheme |
| CN109466691A (en) * | 2018-10-30 | 2019-03-15 | 广船国际有限公司 | A kind of ship's equipment pre-drilled cavity method |
| CN110877687A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Intelligent manufacturing-oriented double-layer bottom segmentation design method for LNG ship |
| CN110877693A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Intelligent manufacturing method for double-layer bottom section of LNG ship |
| CN111859536A (en) * | 2020-06-22 | 2020-10-30 | 上海外高桥造船海洋工程有限公司 | Integrity modeling method for cruise ship awning structure |
| CN112193387A (en) * | 2020-10-14 | 2021-01-08 | 上海外高桥造船有限公司 | Method for building, turning over and hoisting ship bottom head and tail sections |
| KR20210008988A (en) * | 2019-07-15 | 2021-01-26 | 대우조선해양 주식회사 | Design process for modeling base structure based on module |
| CN112434908A (en) * | 2020-10-30 | 2021-03-02 | 上海江南长兴造船有限责任公司 | Method for evaluating assembly sequence of intelligent-manufacturing-oriented double-layer bottom sectional assembly |
| CN113408052A (en) * | 2021-06-17 | 2021-09-17 | 江南造船(集团)有限责任公司 | Ship production preparation method, system, medium and terminal based on three-dimensional ship model |
| CN113788127A (en) * | 2021-10-28 | 2021-12-14 | 江南造船(集团)有限责任公司 | Method for segmental construction and outfitting of large chimney of container ship |
-
2022
- 2022-08-25 CN CN202211025586.8A patent/CN115476983B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070004612A (en) * | 2006-07-31 | 2007-01-09 | 마르세가글리아 빌딩 에스. 피. 에이. | Process for the assembly of a scaffolding structure and relative scaffolding structure |
| CN202539874U (en) * | 2012-03-30 | 2012-11-21 | 中国长江航运集团宜昌船厂 | Forming die for manufacturing sectioned medium-sized assembling poieces of ship |
| CN102848091A (en) * | 2012-09-04 | 2013-01-02 | 福建省华海船业有限公司 | Ship double bottom block assembly welding technology |
| CN106428420A (en) * | 2016-10-17 | 2017-02-22 | 上海江南长兴造船有限责任公司 | Method for mounting ultra-large container ship crack arrest steel hatch coaming |
| CN108993844A (en) * | 2018-08-17 | 2018-12-14 | 江苏华滋海洋工程有限公司 | The shell Xi of flow container applies institutional operation scheme |
| CN109466691A (en) * | 2018-10-30 | 2019-03-15 | 广船国际有限公司 | A kind of ship's equipment pre-drilled cavity method |
| KR20210008988A (en) * | 2019-07-15 | 2021-01-26 | 대우조선해양 주식회사 | Design process for modeling base structure based on module |
| CN110877687A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Intelligent manufacturing-oriented double-layer bottom segmentation design method for LNG ship |
| CN110877693A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Intelligent manufacturing method for double-layer bottom section of LNG ship |
| CN111859536A (en) * | 2020-06-22 | 2020-10-30 | 上海外高桥造船海洋工程有限公司 | Integrity modeling method for cruise ship awning structure |
| CN112193387A (en) * | 2020-10-14 | 2021-01-08 | 上海外高桥造船有限公司 | Method for building, turning over and hoisting ship bottom head and tail sections |
| CN112434908A (en) * | 2020-10-30 | 2021-03-02 | 上海江南长兴造船有限责任公司 | Method for evaluating assembly sequence of intelligent-manufacturing-oriented double-layer bottom sectional assembly |
| CN113408052A (en) * | 2021-06-17 | 2021-09-17 | 江南造船(集团)有限责任公司 | Ship production preparation method, system, medium and terminal based on three-dimensional ship model |
| CN113788127A (en) * | 2021-10-28 | 2021-12-14 | 江南造船(集团)有限责任公司 | Method for segmental construction and outfitting of large chimney of container ship |
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