CN112519980A - Verification method for hull section assembly process scheme combining virtuality and reality - Google Patents
Verification method for hull section assembly process scheme combining virtuality and reality Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 143
- 230000008569 process Effects 0.000 title claims abstract description 98
- 238000012795 verification Methods 0.000 title claims abstract description 29
- 238000004088 simulation Methods 0.000 claims abstract description 10
- 230000002452 interceptive effect Effects 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 31
- 238000012545 processing Methods 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 6
- 230000007812 deficiency Effects 0.000 claims description 4
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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
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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
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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Abstract
The invention provides a verification method of a hull section assembly process scheme with virtual-real combination, which comprises the following steps of S1) constructing a virtual-real combination system architecture and a support tool, wherein the virtual-real combination system architecture and the support tool comprise interactive simulation equipment and virtual environment support software; step S2) importing an assembly process scheme, a segmented component model and assembly equipment model data; step S3) adopting a virtual-real combination method to carry out verification and analysis on the assembly process scheme; step S4), outputting a feasible three-dimensional operation guide file of the assembly process; the invention has the advantages that: the environment is verified by constructing a ship body segment assembly process scheme combining virtuality and reality, and then the interference condition of an assembly workpiece, the reasonability of an assembly procedure and the like are analyzed and judged, so that the quality of the segment assembly process scheme is improved, and the efficiency of a segment assembly process is improved; and (3) checking and determining the mutual interference condition of a workpiece model, an equipment model and the like by using an analysis method based on the multi-scale bounding box of the segmented component.
Description
Technical Field
The invention relates to the technical field of ship manufacturing, in particular to a verification method for a hull section assembly process scheme combining virtuality and reality.
Background
The segmented processing and manufacturing of the ship body are important links in the ship building process, and the feasibility and the rationality of the assembly process and the assembly sequence of each part of the ship body have great influence on the overall efficiency of the ship building. The feasibility and the rationality of the method are scientifically verified, and the method is the basis for further improving the segmented manufacturing efficiency.
At present, the feasibility and rationality evaluation and improvement method of the assembly process and the assembly sequence of each component mainly depends on subjective experience judgment of an operator, the evaluation means is relatively original and is not accurate enough, a method for accurately verifying the sectional assembly process scheme by comprehensively considering manufacturing factors such as an assembly object, assembly equipment, an assembly process method and the like is lacked, and the problems that a workpiece interferes with the assembly equipment, the assembly of a subsequent workpiece is influenced by the workpiece assembled in a first sequence and the like often occur, so that certain parts cannot be installed, and the sectional assembly process is forced to be stopped or reworked.
Therefore, there is a need in the art for a method and apparatus that can effectively verify the assembly process of ship hull sections.
Disclosure of Invention
The invention aims to provide a verification method of a hull section assembly process scheme combining virtuality and reality, which verifies the feasibility and rationality of the contents of an assembly process, processing equipment, an assembly sequence and the like of the hull section assembly process scheme aiming at assembly links such as small assembly, medium assembly, total assembly and the like in the section assembly process in a mode of combining virtual scenes and actual scenes.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a hull section assembling process scheme verification method combining virtuality and reality is characterized by comprising the following steps,
step S1), constructing a virtual-real combined system architecture and a support tool, wherein the virtual-real combined system architecture and the support tool comprise interactive simulation equipment and virtual environment support software;
step S2) importing an assembly process scheme, a segmented component model and assembly equipment model data;
step S3) adopts a virtual-real combination method to carry out verification and analysis on the assembly process scheme,
the method for combining the deficiency and the excess comprises the following steps:
step S31), setting the three-dimensional models of the parts to be assembled and the assembling equipment to the initial positions and states to be processed according to the process setting requirements in the process scheme;
step S32), according to the assembly process scheme, sequentially planning the assembly path of each component;
step S33) assembling by combining interactive operation according to the planned path;
step S34) judging whether the interference phenomenon exists in the assembly process and whether the assembly process is reasonable;
step S4) outputs a feasible three-dimensional work instruction file of the assembly process.
Further, the step S2 includes:
step S21) extracting an assembly process scheme from the design tool or the process planning tool software, and importing assembly process scheme data;
step S22) importing a three-dimensional model of a ship body sectional component;
step S23) importing a three-dimensional model of the assembly equipment;
step S24) performs weight reduction processing on the three-dimensional model.
The method for combining deficiency and excess specifically comprises the following steps:
step S31), setting the three-dimensional models of the parts to be assembled and the assembling equipment to the initial positions and states to be processed according to the process setting requirements in the process scheme;
step S32), according to the assembly process scheme, sequentially planning the assembly path of each component;
step S33) assembling by combining interactive operation according to the planned path;
step S34) judging whether the interference phenomenon exists in the assembly process and whether the assembly process is reasonable;
step S4) outputs a feasible three-dimensional work instruction file of the assembly process.
Furthermore, the virtual-real combined system framework and the support tool comprise virtual-real simulation equipment and a software support environment;
the virtual-real simulation equipment comprises a virtual scene generating graphic workstation, three-dimensional display equipment and human-computer interaction equipment;
the software support environment comprises a segmented component model, an assembly equipment model, a model lightweight processing tool and an assembly process scheme three-dimensional visual verification tool.
Further, in step S2, the data information in the assembly process recipe includes: building state; hull part codes and descriptions; ship type, area coding; a type of segment; welding method, welding wire code; coding and parameters of a welding groove form; groove combination form and welding method; welding specification; assembling nodes by Assembly; weld joints of Weld Weld; model part node.
Further, the step S31 includes, according to the process setting requirements in the process scheme, setting the three-dimensional models of the component to be assembled and the assembling device to the initial position and state to be processed;
the step S32 includes planning a component assembly movement path and a component posture in sequence according to the assembly sequence in the process scheme, and planning a movement path of the assembly equipment during operation.
The step S33 includes dynamically simulating the component assembly process according to the path and posture determined in the substep S2, and checking whether there is an interference phenomenon between components and between the components and the welding equipment; and checking whether the motion process of the component and the welding equipment is reasonable.
Further, in the step S4, the outputting a feasible three-dimensional operation instruction file of the assembly process includes the following steps:
step S41) selecting relevant process steps needing to generate three-dimensional operation guidance;
step S42) exporting the three-dimensional operation guide file and the related technical data file;
step S43) provides the desktop computer and the mobile terminal device, and views the three-dimensional guidance job file.
Further, the step S42 includes guiding, by the derived three-dimensional work instruction file, an operator of the segment assembling site to perform the assembling operation, and specifically includes:
the three-dimensional operation instructs the ship body to be assembled and shows the function;
a welding operation guidance display function of the three-dimensional model;
the three-dimensional operation guidance text prompt information display function is used for exporting the three-dimensional operation guidance file and outputting the three-dimensional operation guidance file in an AVI and MP4 video form;
the derived three-dimensional operation related technical data content comprises:
accurate definition of process information and complete output of chart information;
realizing information of different welding process methods, stages, equipment and personnel information collaborative operation steps;
the exported three-dimensional operation related technical data file is output in PDF and XML formats.
Compared with the prior art, the technical scheme of the invention comprises the improvement of a plurality of details besides the improvement of the whole technical scheme, and particularly has the following beneficial effects:
the environment is verified by constructing a ship body segment assembly process scheme combining virtuality and reality, and then the interference condition of an assembly workpiece, the reasonability of an assembly procedure and the like are analyzed and judged, so that the quality of the segment assembly process scheme is improved, and the efficiency of a segment assembly process is improved;
and (3) checking and determining the mutual interference condition of a workpiece model, an equipment model and the like by using an analysis method based on the multi-scale bounding box of the segmented component.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an assembly process scheme verification apparatus of the present invention;
FIG. 3 is a diagram of an example of interference between the segmented components and the assembly welding apparatus of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention discloses a verification method of a hull section assembly process scheme with virtual-real combination, which comprises the following steps as shown in figure 1,
step S1), constructing a virtual-real combined system architecture and a support tool, wherein the virtual-real combined system architecture and the support tool comprise interactive simulation equipment and virtual environment support software;
step S2) importing an assembly process scheme, a segmented component model and assembly equipment model data;
step S3) adopts a virtual-real combination method to carry out verification and analysis on the assembly process scheme,
step S4) outputs a feasible three-dimensional work instruction file of the assembly process.
The method for combining deficiency and excess specifically comprises the following steps:
step S31), setting the three-dimensional models of the parts to be assembled and the assembling equipment to the initial positions and states to be processed according to the process setting requirements in the process scheme;
step S32), according to the assembly process scheme, sequentially planning the assembly path of each component;
step S33) assembling by combining interactive operation according to the planned path;
step S34) determines whether the assembling process has interference phenomenon and whether the assembling process is reasonable.
The virtual-real combined system framework and the supporting tool comprise virtual-real simulation equipment and a software supporting environment.
The virtual-real simulation equipment comprises a virtual scene generation graphic workstation, three-dimensional display equipment and human-computer interaction equipment.
The software support environment includes: the three-dimensional visual assembling method comprises a segmented component model, an assembling equipment model, a model lightweight processing tool and an assembling process scheme three-dimensional visual verification tool.
In implementation, the hardware device in the virtual-real combined verification environment specifically includes: the system comprises a virtual scene generation graphic workstation, a three-dimensional large screen display device and a data glove human-computer interaction device;
the virtual-real combined verification environment software device specifically comprises: the three-dimensional visual verification method comprises a model data importing tool, a model lightweight processing tool and an assembling process scheme three-dimensional visual verification tool.
In step S21, the data information in the assembly process recipe includes: building state; hull part codes and descriptions; ship type, area coding; a type of segment; welding method, welding wire code; coding and parameters of a welding groove form; groove combination form and welding method; welding specification; assembling nodes by Assembly; weld joints of Weld Weld; model part node.
In the step S22, importing the three-dimensional model of the hull segment component, specifically including extracting the three-dimensional model of the hull segment component by using a model data importing tool and using ship design tool software Tribon M3, AVEVA Marine, SPD, CATIA V5/6, and importing the three-dimensional model of the hull segment component into the assembly process verification environment of the step S1.
Taking an individual 3DDXF file stored by segmenting a certain part or a three-dimensional model of a plate frame as an example:
PLA_M3SP_303-FR130SPP1_S1P=303-B000-B0BH-MBHFR130-MBHFR130.dxf
the file name of the file contains the following information: (1) prefix: PLA; (2) front section: the project name; (3) middle section: plate frame/part name; (4) a rear section: the complete path is assembled, and the unassembled path is NULL; (5) suffix: 3 DDX.
In the step S23, a model data import tool is used, and the three-dimensional model of the assembly equipment is exported by the assembly equipment modeling tool software ProEngineer, UG, and inventory, and imported into the assembly process verification environment in the step S1.
In step S24, a model weight reduction tool is used to analyze 3D DXF
The (or STEP/VUE/STP/SAT) file generates a uniform internal data format, the model data is subjected to lightweight processing through a multilevel simplified algorithm, and an output interface for writing the 3DXML file is externally provided.
Step S31 includes, according to the process setting requirements in the process recipe, setting the three-dimensional models of the component to be assembled and the assembly equipment to the initial position and state to be processed;
the step S32 includes planning a component assembly movement path and a component posture in sequence according to the assembly sequence in the process scheme, and planning a movement path of the assembly equipment during operation.
The step S33 includes dynamically simulating the component assembly process according to the path and posture determined in the substep S2, and checking whether there is an interference phenomenon between components and between the components and the welding equipment; and checking whether the motion process of the component and the welding equipment is reasonable.
In step S4, outputting a feasible three-dimensional operation instruction file of the assembly process includes the following steps:
step S41) selecting relevant process steps needing to generate three-dimensional operation guidance;
step S42) exporting the three-dimensional operation guide file and the related technical data file;
step S43) provides the desktop computer and the mobile terminal device, and views the three-dimensional guidance job file.
The step S42 includes guiding, by the derived three-dimensional operation guidance file, an operator at the segment assembling site to perform an assembling operation, and specifically includes:
the three-dimensional operation instructs the ship body to be assembled and shows the function;
a welding operation guidance display function of the three-dimensional model;
the three-dimensional operation guidance text prompt information display function is used for exporting the three-dimensional operation guidance file and outputting the three-dimensional operation guidance file in an AVI and MP4 video form;
the derived three-dimensional operation related technical data content comprises:
accurate definition of process information and complete output of chart information;
realizing information of different welding process methods, stages, equipment and personnel information collaborative operation steps;
the exported three-dimensional operation related technical data file is output in PDF and XML formats.
The step S43 includes, in the verification environment, playing and viewing the three-dimensional operation guidance file and the related technical data through a desktop computer, and also playing and viewing through a touch screen device of the mobile terminal.
Fig. 2 is a schematic structural diagram of an assembly process scheme verification device of the verification method.
As shown in FIG. 3, which is an example of the interference between the sectional component and the assembly welding equipment, 1 is the assembly welding equipment, 2 is the welding seam, 3 and 4 are the plate components, and 5 is the T-shaped component.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A hull section assembling process scheme verification method combining virtuality and reality is characterized by comprising the following steps,
step S1), constructing a virtual-real combined system architecture and a support tool, wherein the virtual-real combined system architecture and the support tool comprise interactive simulation equipment and virtual environment support software;
step S2) importing an assembly process scheme, a segmented component model and assembly equipment model data;
step S3) adopts a virtual-real combination method to carry out verification and analysis on the assembly process scheme,
the method for combining the deficiency and the excess comprises the following steps:
step S31), setting the three-dimensional models of the parts to be assembled and the assembling equipment to the initial positions and states to be processed according to the process setting requirements in the process scheme;
step S32), according to the assembly process scheme, sequentially planning the assembly path of each component;
step S33) assembling by combining interactive operation according to the planned path;
step S34) judging whether the interference phenomenon exists in the assembly process and whether the assembly process is reasonable;
step S4) outputs a feasible three-dimensional work instruction file of the assembly process.
2. The authentication method according to claim 1, wherein the step S2 includes:
step S21) extracting an assembly process scheme from the design tool or the process planning tool software, and importing assembly process scheme data;
step S22) importing a three-dimensional model of a ship body sectional component;
step S23) importing a three-dimensional model of the assembly equipment;
step S24) performs weight reduction processing on the three-dimensional model.
3. The verification method according to claim 1, wherein the virtual-real combination system framework and support tools comprise virtual-real simulation equipment and software support environment;
the virtual-real simulation equipment comprises a virtual scene generating graphic workstation, three-dimensional display equipment and human-computer interaction equipment;
the software support environment comprises a segmented component model, an assembly equipment model, a model lightweight processing tool and an assembly process scheme three-dimensional visual verification tool.
4. The verification method according to claim 1, wherein in step S2, the data information in the assembly process recipe includes: building state; hull part codes and descriptions; ship type, area coding; a type of segment; welding method, welding wire code; coding and parameters of a welding groove form; groove combination form and welding method; welding specification; assembling nodes by Assembly; weld joints of Weld Weld; model part node.
5. The authentication method according to claim 1,
step S31 includes, according to the process setting requirements in the process recipe, setting the three-dimensional models of the component to be assembled and the assembly equipment to the initial position and state to be processed;
the step S32 includes planning a component assembly movement path and a component posture in sequence according to the assembly sequence in the process scheme, and planning a movement path of the assembly equipment during operation.
6. The step S33 includes dynamically simulating the component assembly process according to the path and posture determined in the substep S2, and checking whether there is an interference phenomenon between components and between the components and the welding equipment; checking whether the motion processes of the parts and the welding equipment are reasonable or not;
the verification method according to claim 1, wherein the step S4 of outputting a feasible three-dimensional work instruction file of the assembly process comprises the steps of:
step S41) selecting relevant process steps needing to generate three-dimensional operation guidance;
step S42) exporting the three-dimensional operation guide file and the related technical data file;
step S43) provides the desktop computer and the mobile terminal device, and views the three-dimensional guidance job file.
7. The verification method according to claim 6, wherein the step S42 includes guiding, by the derived three-dimensional work instruction file, an operator of the segment assembling site to perform the assembling operation, and specifically includes:
the three-dimensional operation instructs the ship body to be assembled and shows the function;
a welding operation guidance display function of the three-dimensional model;
the three-dimensional operation guidance text prompt information display function is used for exporting the three-dimensional operation guidance file and outputting the three-dimensional operation guidance file in an AVI and MP4 video form;
the derived three-dimensional operation related technical data content comprises:
accurate definition of process information and complete output of chart information;
realizing information of different welding process methods, stages, equipment and personnel information collaborative operation steps;
the exported three-dimensional operation related technical data file is output in PDF and XML formats.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113128052A (en) * | 2021-04-21 | 2021-07-16 | 中船第九设计研究院工程有限公司 | Simulation verification method for shipyard production facilities |
| CN113618723A (en) * | 2021-08-18 | 2021-11-09 | 东华大学 | Ship small-erection auxiliary assembly system based on augmented reality |
| CN113697059A (en) * | 2021-08-11 | 2021-11-26 | 中国舰船研究设计中心 | Flexible design method for section connection of surface ship |
| CN114905179A (en) * | 2022-06-30 | 2022-08-16 | 中船黄埔文冲船舶有限公司 | Three-dimensional model-based assembling method and device |
-
2020
- 2020-10-21 CN CN202011133363.4A patent/CN112519980A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113128052A (en) * | 2021-04-21 | 2021-07-16 | 中船第九设计研究院工程有限公司 | Simulation verification method for shipyard production facilities |
| CN113697059A (en) * | 2021-08-11 | 2021-11-26 | 中国舰船研究设计中心 | Flexible design method for section connection of surface ship |
| CN113697059B (en) * | 2021-08-11 | 2024-05-28 | 中国舰船研究设计中心 | Flexible design method for sectional connection of water surface ship |
| CN113618723A (en) * | 2021-08-18 | 2021-11-09 | 东华大学 | Ship small-erection auxiliary assembly system based on augmented reality |
| CN114905179A (en) * | 2022-06-30 | 2022-08-16 | 中船黄埔文冲船舶有限公司 | Three-dimensional model-based assembling method and device |
| CN114905179B (en) * | 2022-06-30 | 2024-02-23 | 中船黄埔文冲船舶有限公司 | Middle assembling and assembling method and device based on three-dimensional model |
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