CN111354069A - Method for pre-assembling modules by using 3D scanning technology - Google Patents
Method for pre-assembling modules by using 3D scanning technology Download PDFInfo
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- CN111354069A CN111354069A CN201811578633.5A CN201811578633A CN111354069A CN 111354069 A CN111354069 A CN 111354069A CN 201811578633 A CN201811578633 A CN 201811578633A CN 111354069 A CN111354069 A CN 111354069A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
Abstract
The invention discloses a method for pre-assembling modules by using a 3D scanning technology, which comprises the following steps of S1, dividing modules for a production line according to a drawing and modeling to form a 3D design model; s2, building a real object module according to the 3D design model; s3, completing the integral scanning of each physical module by using a 3D laser scanner to form a 3D scanning virtual module, and acquiring complete point cloud data; s4, unifying the 3D scanning virtual module and the 3D design model to the same coordinate system; s5, generating a penetrating section at the connecting part of each 3D scanning virtual module, pre-assembling each 3D scanning virtual module in a coordinate system, and analyzing the deviation condition of the 3D scanning virtual module and the design model; and S6, reversely guiding the construction of the physical module according to the analyzed deviation condition and adjusting the error position. The method utilizes a 3D scanning technology to scan the modules for virtual pre-assembly, so that construction errors can be found in time and the construction of the physical modules can be guided reversely.
Description
Technical Field
The invention relates to a pre-assembly method, in particular to a method for pre-assembling modules by using a 3D scanning technology.
Background
The modular production is an advanced production mode at present, and the main flow of the modular production is that a manufacturer carries out layout design on the pipelines and equipment of the whole factory according to the actual field situation of a production site of a client, then the pipelines and the equipment of the whole factory are divided into a plurality of modules, each module is produced in the manufacturer, and then the modules are transported to the production site of the client to be assembled on site. The modularized production can improve the production quality of the pipelines and the equipment of the whole factory by relying on the strong manufacturing capability of manufacturers, and compared with the crude living conditions on the production site of customers, the assembly quality of the pipelines and the equipment of the whole factory is better and the assembly efficiency is higher.
However, since each independent module needs to be checked after production is completed, and whether the manufacturing of each module meets the design requirements is detected, the modules need to be pre-assembled after being built, whether the connectors of the modules can be accurately butted is detected in the pre-assembling process, and the pre-assembling is to hoist the built modules together for actual assembling and welding.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method utilizes the 3D scanning technology to scan the modules for virtual pre-assembly, so that construction errors can be found in time and the construction of the physical modules can be guided reversely.
In order to solve the technical problems, the technical scheme of the invention is as follows: a method for pre-assembling modules by using a 3D scanning technology,
s1, dividing a production line into modules by using 3D software according to a drawing and modeling to form a 3D design model;
s2, building a real object module according to the 3D design model;
s3, completing the integral scanning of each physical module by using a 3D laser scanner in stages in the whole process of building the physical model to form a 3D scanning virtual module, and acquiring complete point cloud data;
s4, unifying the 3D scanning virtual module and the 3D design model to the same coordinate system;
s5, generating a penetrating section at the connecting part of each 3D scanning virtual module, pre-assembling each 3D scanning virtual module in a coordinate system, and analyzing the deviation condition of the 3D scanning virtual module and the design model;
and S6, reversely guiding the construction of the physical module according to the analyzed deviation condition and adjusting the error position.
Preferably, in step S3, the 3D laser scanner performs several scans in stages in the building process of the physical module to obtain several 3D stage scan virtual modules, each 3D stage scan virtual module corresponds to one building stage of the physical module, each 3D stage scan virtual module performs comparative analysis on a portion corresponding to the 3D design model in a coordinate system, if a deviation of the portion corresponding to the 3D design model of the 3D stage scan virtual module is greater than an allowable error, then reverse design is performed while the 3D stage scan virtual module is retained, other modules of the 3D design model are changed to adapt to the 3D stage scan virtual module, and other physical modules are continued to be guided to be built according to the changed 3D design model, so that a building error can be found in time in the building process, and then timely adjusting errors in the subsequent module building process.
Preferably, the method for reverse designing and changing other modules of the 3D design model comprises the following steps: real-time point cloud data are converted into a point cloud data format supported by AutoCAD through Autodesk ReCap software, then modeling is completed through a Pointshape modeling tool of the AutoCAD, modeling design can be assisted according to actually scanned point cloud data through the reverse design, and therefore error adjustment is quicker and more visual.
Preferably, in step S5, the specific analysis manner for analyzing the deviation between the 3D scanning virtual module and the design model is as follows: and measuring and carrying out size analysis by using a 3D size analysis tool, and displaying a 3D deviation result by using a chromatogram.
Preferably, in step S4, the method for unifying the 3D scan virtual module and the 3D design model into the same coordinate system includes: a plurality of groups of common characteristic points are defined on the 3D design model, and the point cloud data of the 3D scanning virtual module and the plurality of groups of common characteristic points defined on the 3D design model are aligned and unified into the same coordinate system.
Preferably, the 3D software is BIM or TEKLA software.
After the technical scheme is adopted, the invention has the effects that: the method comprises the steps of scanning a module by using a 3D laser scanner in the process of building a physical module to form a 3D scanning virtual module, unifying the 3D scanning virtual module and a 3D design model into a coordinate system, performing virtual pre-assembly and analysis comparison, and finally reversely guiding the building of the physical module and adjusting an error according to the analyzed deviation condition. The method saves a large amount of manpower and material resources, greatly shortens the period of pre-assembly and reduces the production cost.
Detailed Description
The present invention is described in further detail below with reference to specific examples.
A method for pre-assembling modules by using a 3D scanning technology,
s1, dividing a production line into modules by using 3D software according to a drawing and modeling to form a 3D design model; the 3D software is preferably BIM or TEKLA software.
S2, building a real object module according to the 3D design model;
s3, completing the integral scanning of each physical module by using a 3D laser scanner in stages in the whole process of building the physical model to form a 3D scanning virtual module, and acquiring complete point cloud data; in step S3, the 3D laser scanner performs several scans in stages during the building process of the physical module to obtain several 3D stage scan virtual modules, each 3D stage scan virtual module corresponds to a building stage of the physical module, each 3D stage scan virtual module performs a comparative analysis on a portion corresponding to the 3D design model in the coordinate system, if a deviation of the portion corresponding to the 3D design model and the 3D stage scan virtual module is greater than an allowable error, the 3D stage scan virtual module is reversely designed while being retained, by modifying other modules of the 3D design model to fit the 3D phase scan virtual module, and continue to guide the construction of other physical modules according to the changed 3D design model, so that, the building error can be found in time in the building process, and then the error can be adjusted in time in the subsequent module building process. Preferably, the method for reverse designing and changing other modules of the 3D design model comprises the following steps: real-time point cloud data are converted into a point cloud data format supported by AutoCAD through Autodesk ReCap software, then modeling is completed through a Pointshape modeling tool of the AutoCAD, modeling design can be assisted according to actually scanned point cloud data through the reverse design, and therefore error adjustment is quicker and more intuitive.
S4, unifying the 3D scanning virtual module and the 3D design model to the same coordinate system; in step S4, the method of unifying the 3D scanning virtual module and the 3D design model into the same coordinate system is: a plurality of groups of common characteristic points are defined on the 3D design model, and the point cloud data of the 3D scanning virtual module and the plurality of groups of common characteristic points defined on the 3D design model are aligned and unified into the same coordinate system.
S5, generating a penetrating section at the connecting part of each 3D scanning virtual module, pre-assembling each 3D scanning virtual module in a coordinate system, and analyzing the deviation condition of the 3D scanning virtual module and the design model; in step S5, the specific analysis method for analyzing the deviation between the 3D scanning virtual module and the design model is as follows: and measuring and carrying out size analysis by using a 3D size analysis tool, and displaying a 3D deviation result by using a chromatogram. The manufacturing quality of the reaction module can be clear through deviation detection, so that not only can the deviation chromatogram be visually seen, but also the three-dimensional deviation quantified at a specific position can be analyzed, and the manufacturing can be better guided.
The module internal pipeline stands to ensure that the preparation is very important when the assembly welding is carried out, the position precision of each pipeline of the butt joint part is measured by utilizing a 3D scanning mode, the structure of the connecting pipeline is designed before the segmented splicing, the corresponding segmented pipeline is processed in advance, and the construction period and the cost of module manufacturing are greatly shortened.
And S6, reversely guiding the construction of the physical module according to the analyzed deviation condition and adjusting the error position.
Part of components or pipelines in the construction process of the module deform, so that an entity cannot be matched with a design model during construction, and if the construction is completely carried out according to the design model, a large deviation exists in the later stage, so that the subsequent modeling design is assisted by entity point cloud data. The high-precision 3D laser scanner can ensure the point cloud scanning precision and has decisive influence on the later modeling precision.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and alterations made to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (6)
1. The method for pre-assembling the modules by utilizing the 3D scanning technology is characterized by comprising the following steps of:
s1, dividing a production line into modules by using 3D software according to a drawing and modeling to form a 3D design model;
s2, building a real object module according to the 3D design model;
s3, completing the integral scanning of each physical module by using a 3D laser scanner in stages in the whole process of building the physical model to form a 3D scanning virtual module, and acquiring complete point cloud data;
s4, unifying the 3D scanning virtual module and the 3D design model to the same coordinate system;
s5, generating a penetrating section at the connecting part of each 3D scanning virtual module, pre-assembling each 3D scanning virtual module in a coordinate system, and analyzing the deviation condition of the 3D scanning virtual module and the design model;
and S6, reversely guiding the construction of the physical module according to the analyzed deviation condition and adjusting the error position.
2. The method for module pre-assembly using 3D scanning technology as claimed in claim 1, wherein: in step S3, the 3D laser scanner performs scanning several times in a building process of the physical module in stages to obtain several 3D stage scanning virtual modules, each 3D stage scanning virtual module corresponds to a building stage of the physical module, each 3D stage scanning virtual module performs comparative analysis on a portion corresponding to the 3D design model in a coordinate system, if a deviation of the portion corresponding to the 3D design model and the 3D stage scanning virtual module is greater than an allowable error, reverse design is performed while the 3D stage scanning virtual module is retained, other modules of the 3D design model are changed to be adapted to the 3D stage scanning virtual module, and construction of other physical modules is continued according to the changed 3D design model.
3. The method for module pre-assembly using 3D scanning technology as claimed in claim 2, wherein: the method for reversely designing and changing other modules of the 3D design model comprises the following steps: and converting the real-time point cloud data into a point cloud data format supported by AutoCAD through Autodesk ReCap software, and then completing modeling through a Pointshape modeling tool of the AutoCAD.
4. A method for module pre-assembly using 3D scanning technology as claimed in claim 3, characterized in that: in step S5, the specific analysis method for analyzing the deviation between the 3D scanning virtual module and the design model is as follows: and measuring and carrying out size analysis by using a 3D size analysis tool, and displaying a 3D deviation result by using a chromatogram.
5. The method for module pre-assembly using 3D scanning technology as claimed in claim 4, wherein: in step S4, the method of unifying the 3D scanning virtual module and the 3D design model into the same coordinate system is: defining a plurality of groups of common characteristic points on the 3D design model, and aligning the point cloud data of the 3D scanning virtual module and the plurality of groups of common characteristic points defined on the 3D design model to a same coordinate system.
6. The method for module pre-assembly using 3D scanning technology as claimed in claim 5, wherein: the 3D software is BIM or TEKLA software.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102493A (en) * | 2020-09-01 | 2020-12-18 | 南京梅森自动化科技有限公司 | 3D scanning reverse modeling method based on point cloud data |
| CN112164141A (en) * | 2020-09-29 | 2021-01-01 | 华南理工大学 | BIM technology-based machine room management method, device, equipment and storage medium |
| CN112962462A (en) * | 2021-02-07 | 2021-06-15 | 陕西华山路桥集团有限公司 | Multi-section steel box girder assembling method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882180A (en) * | 2010-07-09 | 2010-11-10 | 中国二十二冶集团有限公司 | Computer simulation pre-assembly method of construction steel structure |
| CN103336856A (en) * | 2013-05-31 | 2013-10-02 | 中建钢构有限公司 | Virtual steel structure pre-assembly method based on visual model |
| KR20150041827A (en) * | 2013-10-10 | 2015-04-20 | 한국과학기술원 | Apparatus and method of precast concrete quality control using 3D laser scanning |
| CN106886659A (en) * | 2017-03-21 | 2017-06-23 | 湖南联智监测科技有限公司 | The virtual pre-splicing and detection method of steel structure bridge based on 3 D laser scanning and cloud platform |
| CN107992670A (en) * | 2017-11-28 | 2018-05-04 | 戴姆勒股份公司 | The simulation matching process of auto parts and components |
| CN107992643A (en) * | 2017-10-25 | 2018-05-04 | 刘界鹏 | It is a kind of to be produced and installation accuracy control technique with the construction industry structure component calculated based on 3-D scanning cloud data and artificial intelligence identification |
| CN108629849A (en) * | 2018-05-16 | 2018-10-09 | 浙江大学 | A kind of component quality inspection system based on BIM with point cloud |
-
2018
- 2018-12-24 CN CN201811578633.5A patent/CN111354069A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882180A (en) * | 2010-07-09 | 2010-11-10 | 中国二十二冶集团有限公司 | Computer simulation pre-assembly method of construction steel structure |
| CN103336856A (en) * | 2013-05-31 | 2013-10-02 | 中建钢构有限公司 | Virtual steel structure pre-assembly method based on visual model |
| KR20150041827A (en) * | 2013-10-10 | 2015-04-20 | 한국과학기술원 | Apparatus and method of precast concrete quality control using 3D laser scanning |
| CN106886659A (en) * | 2017-03-21 | 2017-06-23 | 湖南联智监测科技有限公司 | The virtual pre-splicing and detection method of steel structure bridge based on 3 D laser scanning and cloud platform |
| CN107992643A (en) * | 2017-10-25 | 2018-05-04 | 刘界鹏 | It is a kind of to be produced and installation accuracy control technique with the construction industry structure component calculated based on 3-D scanning cloud data and artificial intelligence identification |
| CN107992670A (en) * | 2017-11-28 | 2018-05-04 | 戴姆勒股份公司 | The simulation matching process of auto parts and components |
| CN108629849A (en) * | 2018-05-16 | 2018-10-09 | 浙江大学 | A kind of component quality inspection system based on BIM with point cloud |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102493A (en) * | 2020-09-01 | 2020-12-18 | 南京梅森自动化科技有限公司 | 3D scanning reverse modeling method based on point cloud data |
| CN112102493B (en) * | 2020-09-01 | 2024-03-08 | 南京梅森自动化科技有限公司 | 3D scanning reverse modeling method based on point cloud data |
| CN112164141A (en) * | 2020-09-29 | 2021-01-01 | 华南理工大学 | BIM technology-based machine room management method, device, equipment and storage medium |
| CN112962462A (en) * | 2021-02-07 | 2021-06-15 | 陕西华山路桥集团有限公司 | Multi-section steel box girder assembling method |
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