CN107066644B - Automatic modeling method for special-shaped suspended ceiling - Google Patents
Automatic modeling method for special-shaped suspended ceiling Download PDFInfo
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Abstract
An automatic modeling method for a special-shaped suspended ceiling comprises the following steps: 1) establishing an initial data template, a part template, an engineering drawing template and a material detail table template; 2) acquiring a DXF grid file of an original unit; 3) projecting and updating the DXF grid file to an initial data template; 4) calculating part parameters, and classifying and outputting the part parameters in a binary file stream mode; 5) generating a part; 6) assembling the parts according to the positioning information carried by the generated parts; 7) and generating an engineering drawing to finish the automatic modeling of the special-shaped suspended ceiling. The invention uses the predefined template and the calculation rule to automatically complete the generation of the ceiling unit parts and the engineering drawing and the assembly of the parts, realizes the automatic design of the ceiling unit through simple interactive operation of dialog boxes and parametric programming, greatly simplifies the design flow, and hands a large amount of similar repeated design work to a computer for processing, thereby improving the design efficiency of the ceiling unit by 5-6 times.
Description
Technical Field
The invention belongs to the field of building decoration construction, and particularly relates to an automatic modeling method of a special-shaped suspended ceiling.
Background
In the building decoration process, the special-shaped suspended ceiling is rich in change in shape and strong in stereoscopic impression, and gradually becomes a decoration trend. The traditional design method of the special-shaped suspended ceiling is that a large decoration surface is divided into a plurality of units (each unit comprises a plurality of grids), the mechanical structure of each suspended ceiling unit is manually designed and processed and molded, the suspended ceiling units are installed on the indoor top surface or the wall surface, and aluminum plates are paved on the surfaces of the suspended ceiling units. Because the suspended ceiling units are huge in number, the part drawings, the assembly drawings and the engineering drawings of each unit are designed in a manual modeling mode, time and labor are wasted, and high requirements are provided for the design capability of designers.
Adopt manual molding mode design furred ceiling unit, the design process is as follows:
1. determining the position of the machining block (the machining block is positioned at the top point of the suspended ceiling unit) through triangular mesh division; 2. adding angle steel and square steel between machining blocks according to the position relation of the machining blocks; 3. paving an aluminum plate on the angle steel; 4. and punching holes on the aluminum plate and the angle steel.
In the prior art, designers are excessively depended, the design of all parts and engineering drawings and the addition of the assembly relation are finished manually, the design flow is complex, and the error rate is high. In the prior art, more repetitive work is performed by designers, and the design efficiency is low.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an automatic modeling method for a special-shaped suspended ceiling, which can automatically complete the generation of suspended ceiling unit parts, engineering drawings and part assembly, and greatly improve the design efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps:
1) establishing an initial data template, a part template, an engineering drawing template and a material detail table template;
2) acquiring a DXF grid file of an original unit; the DXF grid file is operated with the initial data template established in the step 1), so that the shape framework of the suspended ceiling unit can be determined;
3) projecting the DXF grid file to an initial data template and updating the DXF grid file to ensure that the top surface outline information of the updated initial data template is consistent with the input DXF grid file information, wherein the top surface outline information is the basis of part parameter calculation;
4) calculating part parameters, and classifying and outputting the part parameters in a binary file stream mode;
5) generating a part;
6) assembling the parts according to the positioning information carried by the generated parts;
7) and generating an engineering drawing to finish the automatic modeling of the special-shaped suspended ceiling.
The step 2) of obtaining the DXF mesh file of the original unit specifically includes:
a. adding a user coordinate system to enable the grid bottom surface of the original unit to be superposed with the XOY surface;
b. drawing a grid of the original units to form a three-dimensional curve;
c. rendering the completed mesh file output in an IGES (. igs) format;
e. removing the heavy lines in the IGES(s) file and outputting again;
f. and selecting a unit grid curve to be output, and outputting the DXF file.
And 4) when the parameters of the parts are calculated, reading top surface contour information, bottom surface projection contour information, top surface angle steel center line information, bottom surface square steel center line information, hole position information and reinforcing center line information added by a user from the updated initial data template, wherein the object parts for parameter calculation comprise square steel, angle steel, an aluminum plate and a machining block in the suspended ceiling unit.
The step 6) of assembling the parts comprises the following specific steps:
① calculating and outputting part parameters, and storing the part coordinate information;
② inserting the part coordinate information into the specified coordinate point of the assembly environment and adding fixed constraint;
③ performing interference check on the resultant assembly;
④ check the correctness of the key parameters of the cell.
And 7) reading part parameters when the engineering drawing of the upper machining block is generated, and marking two surfaces connected with the angle steel by the upper machining block.
And 7) projecting the three-dimensional part to a two-dimensional drawing in a specified viewing direction, labeling, and outputting DXF and IGES files for processing.
Compared with the prior art, the method has the advantages that the reusability of the regular ceiling units is utilized, the initial data template is designed, the DXF grid file of the ceiling unit is obtained and used as input data, the DXF grid file is projected to the initial data template and updated, the top surface outline information of the updated initial data template is consistent with the input DXF grid file information, finally, the part parameters are calculated, the parts are generated, the part assembly is carried out according to the positioning information carried by the generated parts, the engineering drawing is generated, and the automatic modeling of the special-shaped ceiling is completed. The method relieves designers from a large amount of repeated work with similarity, automatically generates the ceiling unit parts, the assembly body and the engineering drawing by means of a computer, and can improve the design efficiency by 5-6 times compared with the traditional design method.
Furthermore, the steps of the part assembly are different from the assembly design in the traditional sense, the parts have no matching relation, and the design quality is ensured by performing interference check on the generated assembly body and checking the correctness of key parameters of the unit.
Drawings
FIG. 1 is a schematic view of a portion of a part template;
FIG. 2 is a schematic view of an original ceiling unit grid;
FIG. 3 is a schematic diagram of a DXF grid file for ceiling units;
FIG. 4 is a schematic representation of an initial data template before update;
FIG. 5 is a schematic representation of an updated initial data template;
FIG. 6 is a schematic diagram of the unit form produced after assembly of the parts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The automatic modeling method of the special-shaped suspended ceiling comprises the following steps:
1) establishing an initial data template, a part template, an engineering drawing template and a material detail table template;
aiming at a regular suspended ceiling unit (a triangular or convex quadrilateral unit with an included angle between the top surface and the bottom surface smaller than 15 degrees and without special holes such as air conditioning holes, access holes and the like), a triangular unit initial data template, a similar trapezoidal unit initial data template, a part template (engineering drawing template) of four parts of angle steel, square steel, an aluminum plate and a machining block and a material detail table template are designed, as shown in figure 1.
The initial data template is used for operating with input data (a unit DXF grid file) to determine a shape framework of a suspended ceiling unit, the part template is a prototype file of various parts generated according to part parameters, the engineering drawing template integrates general elements (the same view, technical requirements and the like) of engineering drawings of the same type of parts, and the material detail table template is used for creating an Excel table containing items such as part names, engineering drawing numbers and the like.
2) Acquiring input data;
referring to fig. 2 and 3, the DXF mesh file of the cell is obtained by performing coordinate transformation (ensuring that the bottom surface of the cell mesh coincides with the XOY plane), line tracing, IGES conversion, and the like on the original cell mesh, and the specific process is as follows:
(1) and adding a user coordinate system to ensure that the bottom surface of the original unit grid is superposed with the XOY surface.
(2) And drawing the cell grid lines to form a three-dimensional curve.
(3) The output of the grid file after drawing is in IGES (x. igs) format.
(4) And processing the IGES(s) file, removing the heavy lines and outputting the processed IGES(s) file again.
(5) And selecting a unit grid curve to be output, and outputting the DXF file.
The cell DXF grid file contains cell ceiling profile information that is the only known data that is automatically computed by the ceiling cells.
3) Updating the initial data template; referring to fig. 4 and 5, a "select vertex" operation is performed, the input DXF primitive is projected to the initial data template, the updated top profile information of the initial data template is completely consistent with the input DXF file information, and the program uses the top profile information as a basis for calculating the part parameters.
4) Calculating part parameters;
and reading information such as a top surface outline, a bottom surface projection outline, a top surface angle steel central line, a bottom surface square steel central line, hole positions, a reinforcing central line added by a user and the like from the updated initial data template sketch, calculating parameters of parts such as square steel, angle steel, an aluminum plate, a machining block and the like in the ceiling unit, and classifying and outputting the parameters of the parts in a binary file stream mode.
5) Automatically generating parts;
and reading the part parameters and the part template by the program to generate various parts which meet the size requirement and can be used for actual processing.
6) Automatically assembling parts;
referring to fig. 6, automatic assembly is realized according to the positioning information carried by the automatically generated parts, the assembly is different from the assembly design in the traditional sense, and the parts have no matching relationship, and the specific method is as follows:
(1) and calculating and outputting part parameters, and storing the part coordinate information.
(2) And according to the coordinate information of the part, inserting the part into the specified coordinate point of the assembly environment and adding a fixed constraint.
(3) And carrying out interference check on the automatically generated assembly.
(4) Checking the correctness of the key parameters of the aluminum plate and the suspended ceiling unit.
If the material list is required to be generated during automatic assembly, the program reads parts required by assembly, automatically creates the material list, and sequentially writes items such as part names, engineering drawing numbers, quantities, materials and the like.
7) Automatically generating an engineering drawing;
and reading the automatically generated parts and the engineering drawing templates by a program to generate the engineering drawings of the parts in batches, and reading part parameters when generating the engineering drawings of the upper machining block so as to mark 2 surfaces of the upper machining block connected with the angle steel. The engineering drawing template integrates general elements of various part engineering drawings, a program automatically projects a three-dimensional part to a two-dimensional drawing in a specified viewing direction, automatic labeling is realized, and DXF and IGES files are automatically output for processing.
And finally, all parts, assemblies and engineering drawings are generated, and the automatic modeling process of the suspended ceiling unit is finished.
The invention uses the predefined template and the calculation rule to automatically complete the generation of the ceiling unit parts and the engineering drawing and the assembly of the parts, realizes the automatic design of the ceiling unit through simple interactive operation of dialog boxes and parametric programming, greatly simplifies the design flow, and hands a large amount of repeated design work with similarity to software processing, thereby improving the design efficiency of the ceiling unit by 5-6 times.
Claims (6)
1. The automatic modeling method of the special-shaped suspended ceiling is characterized by comprising the following steps:
1) establishing an initial data template, a part template, an engineering drawing template and a material detail table template;
2) acquiring a DXF grid file of an original unit; the DXF grid file is operated with the initial data template established in the step 1), so that the shape framework of the suspended ceiling unit can be determined;
3) projecting the DXF grid file to an initial data template and updating the DXF grid file to ensure that the top surface outline information of the updated initial data template is consistent with the input DXF grid file information, wherein the top surface outline information is the basis of part parameter calculation;
4) calculating part parameters, and classifying and outputting the part parameters in a binary file stream mode;
5) generating a part;
6) assembling the parts according to the positioning information carried by the generated parts;
7) and generating an engineering drawing to finish the automatic modeling of the special-shaped suspended ceiling.
2. The automatic modeling method of the special-shaped suspended ceiling according to claim 1, wherein the step 2) of obtaining the DXF mesh file of the original unit comprises the following specific steps:
a. adding a user coordinate system to enable the grid bottom surface of the original unit to be superposed with the XOY surface;
b. drawing a grid of the original units to form a three-dimensional curve;
c. rendering the completed mesh file output in an IGES (. igs) format;
d. removing the heavy lines in the IGES(s) file and outputting again;
e. and selecting a unit grid curve to be output, and outputting the DXF file.
3. The automatic modeling method of the special-shaped suspended ceiling according to claim 1, characterized in that: and 4) when the parameters of the parts are calculated, reading top surface contour information, bottom surface projection contour information, top surface angle steel center line information, bottom surface square steel center line information, hole position information and reinforcing center line information added by a user from the updated initial data template, wherein the object parts for parameter calculation comprise square steel, angle steel, an aluminum plate and a machining block in the suspended ceiling unit.
4. The automatic modeling method of the special-shaped suspended ceiling according to claim 1, characterized in that: the step 6) of assembling the parts comprises the following specific steps:
① calculating and outputting part parameters, and storing the part coordinate information;
② inserting the part coordinate information into the specified coordinate point of the assembly environment and adding fixed constraint;
③ performing interference check on the resultant assembly;
④ check the correctness of the key parameters of the cell.
5. The automatic modeling method of the special-shaped suspended ceiling according to claim 1, characterized in that: and 7) reading part parameters when the upper machining block engineering drawing is generated so as to mark two surfaces of the upper machining block connected with the angle steel.
6. The automatic modeling method of the special-shaped suspended ceiling according to claim 1, characterized in that: and 7) projecting the three-dimensional part to a two-dimensional drawing in a specified viewing direction, labeling, and outputting DXF and IGES files for processing.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107832548A (en) * | 2017-11-24 | 2018-03-23 | 巧夺天宫（深圳）科技有限公司 | Circle logical furred ceiling design system, its method, electronic equipment and computer program |
| CN111881506A (en) * | 2020-08-05 | 2020-11-03 | 四川优家库信息技术有限公司 | Ceiling modeling generation method |
| CN112528404B (en) * | 2020-12-04 | 2023-04-14 | 江南造船(集团)有限责任公司 | Grid design method, device, medium and terminal suitable for ship outfitting platform |
| CN112685813A (en) * | 2020-12-21 | 2021-04-20 | 上海市建筑装饰工程集团有限公司 | Installation method of irregular concave type special-shaped suspended ceiling |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004090757A1 (en) * | 2003-04-08 | 2004-10-21 | Agency For Science, Technology And Research | Full knowledge base automatic cad system and method for automatically generating a cad engineering drawing |
| CN102609581A (en) * | 2012-02-06 | 2012-07-25 | 湖南奥莎富士电梯股份有限公司 | Method for designing elevator car suspended ceiling |
| CN103678737A (en) * | 2012-09-07 | 2014-03-26 | 中国飞机强度研究所 | Lever system virtual assembly method |
| CN103870635A (en) * | 2014-02-24 | 2014-06-18 | 上海宇航系统工程研究所 | Rapid design, analysis and optimization system of large-scale structure based on modularization |
| CN104657552A (en) * | 2015-02-10 | 2015-05-27 | 北京宇航系统工程研究所 | Automatic rocket tank structure three-dimensional model constructing system |
| CN104765936A (en) * | 2015-04-29 | 2015-07-08 | 中国水利水电第十一工程局有限公司 | Operation method of three-dimensional modeling expansion and lofting coordinate generation based on Autodesk inventor software |
| CN106127863A (en) * | 2016-06-30 | 2016-11-16 | 滁州市科创模具制造有限公司 | A kind of refrigerator foaming die series design system and method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100061829A1 (en) * | 2008-09-11 | 2010-03-11 | Mcadoo David L | System and apparatus for progressive robotic truss assembly |
-
2016
- 2016-11-29 CN CN201611074007.3A patent/CN107066644B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004090757A1 (en) * | 2003-04-08 | 2004-10-21 | Agency For Science, Technology And Research | Full knowledge base automatic cad system and method for automatically generating a cad engineering drawing |
| CN102609581A (en) * | 2012-02-06 | 2012-07-25 | 湖南奥莎富士电梯股份有限公司 | Method for designing elevator car suspended ceiling |
| CN103678737A (en) * | 2012-09-07 | 2014-03-26 | 中国飞机强度研究所 | Lever system virtual assembly method |
| CN103870635A (en) * | 2014-02-24 | 2014-06-18 | 上海宇航系统工程研究所 | Rapid design, analysis and optimization system of large-scale structure based on modularization |
| CN104657552A (en) * | 2015-02-10 | 2015-05-27 | 北京宇航系统工程研究所 | Automatic rocket tank structure three-dimensional model constructing system |
| CN104765936A (en) * | 2015-04-29 | 2015-07-08 | 中国水利水电第十一工程局有限公司 | Operation method of three-dimensional modeling expansion and lofting coordinate generation based on Autodesk inventor software |
| CN106127863A (en) * | 2016-06-30 | 2016-11-16 | 滁州市科创模具制造有限公司 | A kind of refrigerator foaming die series design system and method thereof |
Non-Patent Citations (3)
| Title |
|---|
| Automatic assembly for combined mold components based on SolidWorks;Zhen Ma 等;《2011 International Conference on Electronics, Communications and Control (ICECC)》;20111103;全文 * |
| 基于参数化模板的工程图自动生成与优化调整技术;黄飞 等;《煤矿机械》;20110531;第32卷(第5期);全文 * |
| 工业建筑预埋件三维快速装配设计方法;杜林宝 等;《图学学报》;20120630;第33卷(第3期);全文 * |
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