CN111428295A - Heating and plotting method for large workshop for BIM forward design - Google Patents
Heating and plotting method for large workshop for BIM forward design Download PDFInfo
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Abstract
The invention discloses a heating and plotting method for a large workshop with BIM forward design, which comprises the following three stages: stage one: building a large workshop heating BIM model; and a second stage: deriving a heating plan of a large workshop; and a third stage: and (5) exporting a large workshop heating system diagram. Has the advantages that: the method for deriving the PDF format construction drawing by using the large workshop heating three-dimensional model of the nonferrous metal processing factory enables designers to draw a heating plane drawing and a system drawing without using two-dimensional CAD software, saves time and labor, has high drawing efficiency, provides a unified and standard for drawing the heating of the large workshop positively designed by BIM in the nonferrous metal processing exploration design industry, practically assists the forward development of the industry, and has good practicability.
Description
Technical Field
The invention relates to the field of industrial building environment survey design, in particular to a heating plotting method for a large workshop for BIM forward design.
Background
The Building Information model (Building Information Modeling) is based on various relevant Information data of a Building engineering project and is used for Building professional models of buildings, structures, water channels, electricity, heating ventilation and the like, and real Information of the buildings is simulated through digital Information. The method has three characteristics of visualization, simulation and drawing.
The BIM forward design is that from a project feasibility research stage, BIM software is utilized to carry out concept design in a three-dimensional environment, a three-dimensional model is gradually thinned, a construction drawing scheme stage is transited, finally, the model depth is continuously improved along with the deepening of the design stage to reach the design depth standard of the construction drawing, and a designer utilizes the three-dimensional model and information in the three-dimensional model to automatically generate a required drawing. The BIM technique is performed throughout the design cycle.
In China, the mainstream of BIM technology application is to draw a construction drawing by adopting CAD two-dimensional drawing software and then to build a three-dimensional model according to the construction drawing, namely the model is usually called as 'rollover'. The BIM forward design is that the whole process from the draft design stage to the delivery stage of the project is completed by BIM three-dimensional software. The designer directly designs in the three-dimensional environment, and generates the required drawing file by using the three-dimensional model and the information in the three-dimensional model.
At present, the nonferrous metal processing investigation design industry vigorously popularizes and popularizes the BIM forward design technology, optimizes the design scheme by utilizing the BIM forward design technology, improves the design quality and improves the drawing efficiency. With the increasing process scale of the nonferrous metal processing exploration design industry, the factory building form develops towards continuous-span factory buildings, large spaces, large spans and ultrahigh. In order to meet the requirements of product technology and provide safe and comfortable production and working environments for workers, corresponding heating systems are generally required in non-ferrous metal processing plants in northern China due to cold climate.
The BIM model obtains satisfactory effect when deriving professional construction drawings of buildings and structures, but the effect is not ideal in the aspect of electromechanical specialties, and particularly relates to a heating model of a non-ferrous metal processing large workshop with dense pipeline arrangement and complex shielding relation.
At present, a heating construction drawing in the nonferrous metal processing industry is mainly a heating construction drawing according to the 04K601 standard of design depth drawing of heating ventilation air-conditioning and power construction drawing of civil building engineering by utilizing CAD two-dimensional drawing software. Because the three-dimensional model is a reflection of a real geometric model of a heating system in a large workshop, and is essentially different from a heating plan and a system plan specified in the civil building engineering heating ventilation air conditioning and power construction drawing design depth pattern 04K601 standard, the traditional heating plan and the system plan specified in the standard are only schematic diagrams, and the plan aims at reflecting the pipe diameter, the plane arrangement, the radiator plane arrangement and the like of a pipeline of the heating system. The standard sets a series of drawing rules aiming at a heating plan, for example, pipelines are represented by single lines, radiators are represented by corresponding legends, and lines representing the pipelines can be pulled away if the pipelines are mutually shielded in a projection relation, so that the drawing and the character and size labeling are facilitated. The system diagram aims to reflect the principle of a heating water supply and return system, show the overall design idea of the pipeline for constructors and help the constructors to quickly and accurately understand the drawing. The standard also sets corresponding rules for the heating system diagram, for example, the system diagram only needs to express the connection principle of the heating equipment and the pipeline clearly, the number of the accessories such as the valve, the gas collecting tank and the like, and does not require precise and strict geometric drawing.
The large-compartment heating three-dimensional model drawn by the BIM software is a real physical expression of a heating system. Because non ferrous metal processing workshop factory building area is very big, and structural style generally adopts the form of steel construction factory building, and heating supplies return water pipeline to lay along factory building post or wall body usually, supports through installing a pipeline gallows on the factory building post, and a pipeline gallows arranges into many calandrias way from top to bottom along the factory building direction of height usually. Thus, the pipeline arranged on the upper bracket can shield the pipeline arranged on the lower bracket. When the occlusion is serious, the heating plan cannot be directly derived from the plan view, and the system diagram cannot be directly derived from the three-dimensional view.
After a designer establishes a large workshop heating model by using the BIM technology, the model cannot be well used for generating a heating construction drawing, the designer still adopts the traditional two-dimensional CAD drawing mode to generate the heating construction drawing, the time and the labor are wasted, and the drawing efficiency of the designer is seriously reduced.
Aiming at a heating construction drawing project in a large workshop of a metal processing factory, a drawing representation method capable of converting a three-dimensional model into a construction drawing is urgently needed. The situation that a designer reuses the two-dimensional CAD to draw a heating plan and a system diagram is avoided, and the drawing standard of heating in a large workshop in the nonferrous metal processing exploration design industry is standardized.
Disclosure of Invention
The invention aims to solve the problems, and provides a heating plotting method for a large workshop of BIM forward design, so as to solve the problems that in the prior art, a designer adopts a two-dimensional CAD drawing mode to produce a heating construction drawing, which is time-consuming and labor-consuming, and the plotting efficiency is low. The method for deriving the PDF format construction drawing by using the large workshop heating three-dimensional model of the nonferrous metal processing factory has the advantages that a designer does not need to draw a heating plane drawing and a system drawing by using two-dimensional CAD software, time and labor are saved, drawing efficiency is high, meanwhile, a unified and standard is provided for the BIM forward design workshop heating drawing of the nonferrous metal processing exploration design industry, the forward development of the industry is practically assisted, the practicability is good, and details are explained in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a heating and plotting method for a large workshop with BIM forward design, which is characterized by comprising the following three stages:
stage one: building a large workshop heating BIM model;
and a second stage: deriving a heating plan of a large workshop;
and a third stage: and (5) exporting a large workshop heating system diagram.
Wherein, stage one includes the following three steps:
the method comprises the following steps: building a BIM model for the construction major of the large workshop in Revit software;
step two: linking the building professional BIM model in Revit software in a mode from an original point to an original point, and establishing primitives such as a plant foundation, a beam, a column and the like to form the structure professional BIM model;
step three: and linking the building professional BIM model and the structure professional BIM model in Revit software in a mode from an original point to an original point, then establishing primitives such as heating equipment, pipelines and valves by taking the building professional BIM model and the structure professional BIM model as external references, and establishing a large workshop heating BIM model.
Wherein, the second stage comprises the following eleven steps:
step four: selecting a 1-floor elevation plane view in a floor plane in Revit software, and then setting a visible range of the plane view to enable the heating pipeline to be in the visible range of the plane view;
step five: opening a visibility setting panel of a 1-layer elevation plane view in Revit software, and then setting the line type of a building professional BIM model and a structure professional BIM model as light display;
step six: opening a visibility setting panel of a 1-layer elevation plane view in Revit software, and then setting linear widths of models such as heating equipment, pipelines, valves and the like below a projection surface to form a heating plane view;
step seven: adjusting the view scale of a heating plane view, the display mode of a pipeline system model and the horizontal position of a water supply and return pipeline which is shielded up and down in the heating plane view in Revit software, and then carrying out size marking, characters, annotation description and the like on the heating plane view to perfect the heating plane view;
step eight: determining the number n (n is more than or equal to 1 and less than or equal to 12) of drawings required to be created for expressing the heating plan view and the specification of a corresponding picture frame according to the dimension of the heating plan view marked in the step seven;
step nine: under the project browser, a new drawing P is created1Drawing P2Drawing P of … …nThen selecting the frame required by the drawing1Drawing frame2… … boxesnAnd drawing the picture frame1Drawing frame2、……
Drawing framenIs correspondingly added to drawing P1Drawing P2Drawing P of … …nPerforming the following steps;
step ten: under a project browser, selecting a heating plan view, selecting 'copy as correlation', copying (n-1) parts of the heating plan view, and respectively renaming the parts as a heating plan view 1, a heating plan view 2, a heating plan view 3 and a heating plan view … … n;
step eleven: under a heating plan view 1, clicking a functional area view, splicing lines, and adding the splicing lines, wherein the method for adding the splicing lines comprises the following steps:
sequentially adding i (i is more than or equal to 2 and less than or equal to 4) splicing lines parallel to the long axis along the short axis direction of the view, so that the view is divided into (i-1) sections along the short axis direction, and the length of each section is matched with the short edge of the appointed drawing sheet;
j (j is more than or equal to 2 and less than or equal to 5) splicing lines parallel to the short axis are sequentially added along the long axis direction of the view, so that the view is divided into (j-1) sections along the long axis direction, and the length of each section is matched with the long edge of the appointed drawing;
thus the view is divided into (i-1) · (j-1) parts; wherein (i-1) · (j-1) = n, 1 ≦ n ≦ 12, and n has a value of n =1, 2, 3, 6, 9, 12 in the case of a general engineering project. All parts of the view are marked with the code number A11，A12，…… Ai－1，j－1(ii) a Wherein A is11Representing the part of the first row and the first column, A12Representing the parts of the first row and second column, … … Ai－1，j－1Representing the (i-1) th row and (j-1) th column.
Step twelve: in heating plan view 1, adjust the cropping zone to A11Boundary position, in heating plan view 2, adjust cropping zone to A12Boundary position, … … in heating plan view n, adjust cropping zone to Ai－1，j－1The boundary position is adopted, so that a complete heating plan view is split into n partial views;
step thirteen: the split A is11，A12，……Ai－1，j－1Adding n partial views in total to the drawing P created in the step nine respectively1Drawing P2… … drawing PnIn each picture frame, a Revit text annotation tool is used for annotating the logical connection relation of n drawings, and finally a large workshop heating plan is formed;
fourteen steps: and (4) deriving an electronic large workshop heating plan by utilizing Revit software.
Wherein, stage three includes the following nine steps:
step fifteen: in Revit software, link files of a building professional BIM model and a structure professional BIM model are hidden in a heating three-dimensional view;
sixthly, the steps are as follows: and adjusting the view scale of the heating three-dimensional view and the display mode of the pipeline system model in Revit software.
Seventeen steps: determining the number m of drawings required to be created for expressing the heating three-dimensional view and the specification of a corresponding picture frame according to the proportion of the map of the heating three-dimensional view in the step sixteen;
eighteen steps: under the project browser, a new drawing S is created1Drawing sheet S2Drawing S … …mSelecting and correspondingly adding the picture frame 1, the picture frame 2 and the … … picture frame m required by deriving the heating system picture to the drawing S1Drawing sheet S2Drawing S … …m；
Nineteen steps: selecting a heating three-dimensional view in a project browser, selecting 'copying as correlation', copying (m-1) parts of the heating three-dimensional view, and respectively naming the parts as a three-dimensional view 1, a three-dimensional view 2, a three-dimensional view 3 and a three-dimensional view … …;
twenty steps: under a project browser, respectively displaying a three-dimensional view 1 only on a 1 st part of a three-dimensional model of a heating system, displaying a three-dimensional view 2 only on a 2 nd part of the three-dimensional model of the heating system, displaying a three-dimensional view 3 only on a 3 rd part of the three-dimensional model of the heating system and displaying a three-dimensional view m only on a m th part of the three-dimensional model of the heating system in each three-dimensional view by using a section frame tool and a method of dragging a section frame; making the range of three-dimensional views 1, 2, 3, … … and the designated drawing sheet S1Drawing sheet S2Drawing sheet S3… … drawing SmThe figures are matched. By changing the front-back, up-down and left-back angles of the three-dimensional views 1, 2, 3 and … …, the pipeline is prevented from being overlapped and blocked, and the angle is adjusted to the optimal drawing angle. And the directions of the three-dimensional views 1, 2, 3 and … … are respectively locked.
Twenty one: and (3) marking the pipe diameter size, characters, annotation instructions and the like on the three-dimensional views m of the heating, namely the three-dimensional view 1, the three-dimensional view 2 and the three-dimensional view … …, thereby perfecting the three-dimensional view of the heating.
Step twenty-two: respectively arranging the three-dimensional views 1, 2 and … … of the heating of the large workshop on the drawing S created in the eighteenth step1Drawing sheet S2… … drawing SmIn each frame above, and using Revit text annotation tool to annotate m pieces of textThe logic connection relation of the drawing is noted, and a large workshop heating system drawing is finally formed;
twenty-three steps: and (4) deriving an electronic large workshop heating system map by utilizing Revit software.
When a large sample view needs to be added to a large workshop heating system diagram, a three-dimensional view k (k is more than or equal to 1 and less than or equal to m) where the large sample view is located can be used as a parent view, detail copying is selected under the parent view, the large sample view is used as a child view of the parent view, child views are created through the twenty-step method, the created child views are arranged in the blank of a drawing frame of the drawing where the parent view is located, a Revit text annotation tool is used for annotating the logical connection relation of the drawing, the large sample view is perfected, and finally the large sample view is led out together with the large workshop heating system diagram.
Has the advantages that:
the method for deriving the construction drawing by using the large workshop heating three-dimensional model of the nonferrous metal processing factory can ensure that a designer does not need to draw a heating plane drawing and a system drawing by using two-dimensional CAD software, has high drawing efficiency, saves time and labor, provides a unified and standard for drawing the heating of the large workshop forwardly designed by BIM in the nonferrous metal processing exploration design industry, practically assists the forward development of the industry, and has good practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a three-dimensional view of a medium plate shop building model;
FIG. 2 is a plan view of a medium plate workshop building model (including an axis network and elevation information);
FIG. 3 is a three-dimensional view of a medium plate shop construction model;
FIG. 4 is a plan view of a heating system in a heavy and medium plate plant, broken away into 12 sections;
FIG. 5 is a plan view A of heating in a heavy and medium plate workshop11Split illustration of (a);
FIG. 6 is a plan view of heating in a medium plate plant showing a depth pattern;
FIG. 7 is an overall three-dimensional view of a heating model of a medium plate workshop;
FIG. 8 is a three-dimensional view of a heating model of a medium plate plant 1;
FIG. 9 is a large sample view of a heat inlet in a three-dimensional view 1 of a heating model of a medium plate workshop;
FIG. 10 is a depth pattern of a heating system map for a medium plate plant.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
This embodiment shows an example introduction of the heating mapping method adopted in the plant workshop of the medium plate factory for a production line project of ultra-large high-performance special aluminum alloy material with 20 ten thousand tons produced by a certain aluminum industry limited company per year, and the engineering construction area of the medium plate workshop is as follows: 126391.6m2, the temperature of heating supply return water is 110/70 ℃, and the heating supply return water is provided by a factory external network. The heating system is a system with an upper single return pipe, a lower single return pipe, a forward flow and a same stroke. The heating map making method for the large workshop comprises the following steps:
step 1: building professional designers utilize Revit software to establish a BIM model of a large workshop building professional, including positioning conditions such as a shaft network and an elevation, as shown in figures 1 and 2;
step 2: a structure professional designer utilizes Revit software to establish graphic primitives such as a plant foundation, a beam, a column and the like on the basis of the construction professional BIM model to form the construction professional BIM model, and links the construction professional BIM model in a mode of from an original point to an original point so as to ensure that the coordinate original points (0, 0, 0) of the structure professional BIM model and the construction professional BIM model are consistent in a Revit modeling space, as shown in figure 3;
and step 3: a heating professional designer utilizes Revit software to link the building professional BIM model and the structure professional BIM model in a mode of from an original point to the original point so as to ensure that coordinate original points (0, 0, 0) of the heating professional BIM model, the building professional BIM model and the structure professional BIM model which are designed in the future are consistent in Revit modeling space;
and 4, step 4: a heating professional designer uses Revit software and takes a building professional BIM model and a structure professional BIM model as external references to draw primitives such as heating equipment, pipelines, valves and the like, and a large workshop heating professional BIM model is established;
and 5: a heating professional designer selects a project browser, namely mechanical regulation heating ventilation, and 1 floor elevation plane view in a floor plane by utilizing Revit software, sets a visible range of a view plane in an attribute panel of the view plane, and arranges the top elevation of the plane view range below a factory building roof to ensure that heating pipelines are all in the visible range of the plane view;
step 6: the heating professional designer utilizes Revit software to open 1-layer elevation plane visibility setting panel on a view tab, a graphic panel, a visibility button and a 1-layer elevation plane visibility setting panel, selects a Revit link, a building model file link, displays a model type in the view according to a main body view, self definition, a model type, self definition, a filter list for checking a building, full selection and half tone, and displays the line type of the BIM model of the building professional as light display;
and 7: by using Revit software, a heating professional designer opens a 1-layer elevation plane visibility setting panel on a view tab, a graphic panel, a visibility button and selects Revit link, a structure model file link, a main body view, a user-defined mode, a model type, a user-defined mode, a mode type, a filter list checking structure, a full selection and a half tone, and the line type of a BIM (building information modeling) model with a professional structure is displayed as light display;
and 8: by using Revit software, a heating professional designer opens 1 layer of elevation plane visibility setting panels on a view tab, a graph panel and a visibility button, selects a model type, selects and displays the model type in a view, selects and selects a filter list, selects and selects pipelines, selects and selects mechanical equipment, pipes and pipelines, and sets the linear width of models such as heating equipment, pipelines and valves under the projection surface so as to ensure that the heating professional primitives can be highlighted when PDF drawings are derived in the future;
and step 9: adjusting the view proportion of a heating plane view to 1:100, adjusting the display mode of a pipeline system model to a fine mode, finely adjusting the horizontal position of a water supply and return pipeline which is shielded up and down in the heating plane view to ensure that a horizontal distance of 100mm exists between the pipeline and the pipeline so as to prevent the horizontal pipeline positioned at the upper part from shielding the horizontal pipeline positioned at the lower part, or preventing the pipeline patterns from being adhered to each other due to the influence of the linear width of the pipeline after a drawing is printed out, so that the identification degree is not high;
step 10: carrying out two-dimensional size marking, characters, annotation explanation and the like on the heating plane view, and perfecting the heating plane view;
step 11: determining the number of drawings required to be created for expressing the heating plan view and the specification of a corresponding drawing frame according to the size of the heating plan view, wherein the number of the drawings is 12;
step 12: under the project browser, a new drawing P is created1Drawing P2Drawing P of … …12Selecting a frame required for drawing1Drawing frame2… … boxes12Is correspondingly added to drawing P1Drawing P2Drawing P of … …12Performing the following steps;
step 13: under a project browser, selecting a heating plan view- "copying as correlation", copying 12 parts of the heating plan view, and respectively renaming as a heating plan view 1, a heating plan view 2, a heating plan view 3 and a heating plan view … … to be 12;
step 14: under a heating plan view 1, clicking a functional area view, splicing lines and adding the splicing lines, wherein the method for adding the splicing lines comprises the following steps:
adding 4 splicing lines parallel to the long axis along the short axis direction of the heating plan view 1, so that the heating plan view 1 is divided into 3 sections along the short axis direction, and each section is matched with the short edge of the appointed drawing sheet; 5 splicing lines parallel to the short axis are added along the long axis direction of the heating plan view 1, so that the heating plan view 1 is divided into 4 sections along the long axis direction, and the length of each section is matched with the long edge of the appointed drawing sheet.
Thus, the view is divided into 12 parts, and the code of each part view is marked as A11，A12，…… A33，A34Wherein the first number of the view symbols represents the number of rows and the second number represents the number of columns, e.g. A11View corresponding to the first row and the first column, A12View corresponding to first row and second column, A33View corresponding to the third row and column, A34A view corresponding to the third row and fourth column, as shown in FIG. 4;
step 15: in the heating plan view 1, adjusting the cutting area to A split from the splicing line added in step 1411In the heating plan view 2, adjusting the cutting area to the part A split from the splicing line added in the step 1412… … in the heating plan view 12, adjusting the cropping zone to A split by the splicing line added in step 1434The boundary position of (2), a complete heating plan view can be split into 12 partial views, as shown in fig. 5;
step 16: the split A is11，A12，……A34Respectively and correspondingly adding 12 partial views in total to the drawing P created in the step 121Drawing P2… … drawing P12In each picture frame, the logic connection relation of the 12 drawings is noted by utilizing a Revit text annotation tool, and finally, a complete heating plan is formed;
and step 17: and (4) exporting the heating plane drawing in the PDF format by using a Revit virtual printer. As shown in fig. 6;
step 18: a heating professional designer utilizes Revit software to hide a BIM (building information modeling) model in a heating three-dimensional view by displaying a model type in a view tab, a graphic panel, a visibility button, an open three-dimensional view visibility setting panel, a selection Revit link, a building model file link and pressing a main body view, a user-defined model type, a user-defined model and no selection;
step 19: a heating professional designer utilizes Revit software to open a three-dimensional view visibility setting panel on a view tab, a graphic panel and a visibility button, selects a Revit link, a structure model file link, and displays a model type in a view according to main view, user-defined, model type, user-defined and no-check, namely hides a structure professional BIM model in a heating three-dimensional view;
step 20: adjusting the view scale of the heating three-dimensional view to 1:100, and adjusting the pipeline system model display mode to a fine mode, so as to be used as the heating integral three-dimensional view, as shown in fig. 7;
step 21: determining the number of the drawings to be created to be 8 and the specification of corresponding drawing frames according to the size of the overall heating three-dimensional view;
step 22: under the project browser, a new drawing S is created1Drawing sheet S2Drawing S … …8Selecting the frame 1, the frame 2, the … … frame 8 required by the derivation system diagram and correspondingly adding the frame 1, the frame 2, the … … frame 8 to the drawing S1Drawing sheet S2Drawing S … …8Performing the following steps;
step 23: in a project browser, namely a heating integral three-dimensional view- 'with detail copy', 7 copies of the heating integral three-dimensional view are respectively named as a three-dimensional view 1, a three-dimensional view 2, a three-dimensional view 3 and a three-dimensional view … … 8;
step 24: selecting a section frame from a project browser, namely a three-dimensional view 1, a three-dimensional view 1 attribute panel, a range and a drawing by dragging the section frame, and only displaying the 1 st part of the integral three-dimensional model of the heating system on the three-dimensional view 1 so that the range of the three-dimensional view 1 and the designated drawing S1The images are matched, the angles of the front and the back of the view, the upper and the lower parts of the view and the left and the back of the view are changed, so that the superposition, the shielding and the like of pipelines are avoided, and finally the three-dimensional view 1 is adjusted to the maximumThe angle of the drawing is optimized and the direction of the three-dimensional view 1 is locked, as shown in fig. 8;
step 25: repeating the operation of the step 24 on the three-dimensional view 2, the three-dimensional view 3 and the three-dimensional view 8 of … …, wherein the three-dimensional view 2 only displays the 2 nd part of the whole three-dimensional model of the heating system, the three-dimensional view 3 only displays the 3 rd part of the whole three-dimensional model of the heating system, and the three-dimensional view 8 only displays the 8 th part of the whole three-dimensional model of the heating system … …; making the range of the three-dimensional view 8 of the three-dimensional view 2, the three-dimensional view 3 and the … … and the designated drawing sheet S2Drawing sheet S3… … drawing S8The figures of the drawing are matched. By changing the angles of the three-dimensional view 2, the three-dimensional view 3 and the three-dimensional view … …, namely the front-back angle, the upper-lower angle and the left-back angle of the three-dimensional view 8, the pipeline is prevented from being overlapped, shielded and the like, the pipeline is adjusted to the optimal drawing angle, and the directions of the three-dimensional view 2, the three-dimensional view 3 and the three-dimensional view … …, namely the three-dimensional view 8;
step 26: and (3) marking the pipe diameter size, characters, annotation explanation and the like on the three-dimensional views 1, 2 and … … of the heating, and perfecting the views of the three-dimensional parts of the heating. As shown in fig. 8 heating three-dimensional view 1;
step 27: adding a large sample diagram to each heating three-dimensional view, taking a three-dimensional view k (k is more than or equal to 1 and less than or equal to 8) to which the large sample diagram belongs as a parent view, selecting 'with detail copy' under the parent view, taking the large sample diagram as a child view of the parent view, creating the child view by the method of the step 24, adjusting the view proportion of the child view to be between 1:50 and 1:30, and adding necessary comments and descriptions to perfect the large sample diagram; fig. 9 is a view showing a large pattern of a heat inlet in a three-dimensional view 1 for heating.
Step 28: respectively arranging the three-dimensional view 1, the three-dimensional view 2 and the three-dimensional view 8 of … … of the heating of the large workshop on the drawing S created in the step 221Drawing sheet S2… … drawing S8Within each frame of (1); meanwhile, the large sample view is arranged in the drawing frame where the parent view is located, the part needing to be amplified and represented in the parent view is circled by a circle, and the large sample sub-views are sequentially arranged at the blank of the drawing frame where the parent view is located according to the 'nearby principle' and matched with necessary text indexes so as to be beneficial to image recognitionForming a heating system diagram; as shown in fig. 10, the inside of the "circle" is divided into portions to be expressed in detail by adding a thumbnail, and there are 5 positions in the three-dimensional view 1 to be added with thumbnails.
Step 29: a heating system drawing in PDF format is derived by using the Revit virtual printer, as shown in fig. 10.
Aiming at a heating construction drawing project of a large workshop of a nonferrous metal processing factory, the invention provides a drawing method for finely adjusting a plane view pipeline of a model in three-dimensional software (without influencing model collision inspection), adjusting drawing proportion and utilizing a splicing line tool to split the model into a plurality of parts to derive a plane drawing in a PDF format for a heating plane drawing; the heating system diagram is provided with a drawing method for locking the direction of a three-dimensional view of a model in three-dimensional software, adjusting the drawing proportion and splitting a section frame tool into a plurality of parts to derive a PDF format system diagram, a designer does not need to draw a heating plan diagram and the system diagram by using two-dimensional CAD software, the drawing efficiency is high, time and labor are saved, meanwhile, a unified and standard is provided for drawing of large workshop heating forward designed by BIM in the nonferrous metal processing exploration design industry, the forward development of the industry is practically assisted, and the practicability is good.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. A heating and map-making method for a large workshop with a BIM forward design is characterized by comprising the following three stages:
stage one: building a large workshop heating BIM model;
and a second stage: deriving a heating plan of a large workshop;
and a third stage: and (5) exporting a large workshop heating system diagram.
2. The heating map making method for the large workshop with the BIM forward design as claimed in claim 1, wherein the stage one comprises the following three steps:
the method comprises the following steps: building a BIM model for the construction major of the large workshop in Revit software;
step two: linking the building professional BIM model in Revit software in a mode from an original point to an original point, and establishing primitives such as a plant foundation, a beam, a column and the like to form the structure professional BIM model;
step three: and linking the building professional BIM model and the structure professional BIM model in Revit software in a mode from an original point to an original point, then establishing primitives such as heating equipment, pipelines and valves by taking the building professional BIM model and the structure professional BIM model as external references, and establishing a large workshop heating BIM model.
3. The heating map making method for the large workshop with the BIM forward design as claimed in claim 2, wherein the second stage comprises eleven steps as follows:
step four: selecting a 1-floor elevation plane view in a floor plane in Revit software, and then setting a visible range of the plane view to enable the heating pipeline to be in the visible range of the plane view;
step five: opening a visibility setting panel of a 1-layer elevation plane view in Revit software, and then setting the line type of a building professional BIM model and a structure professional BIM model as light display;
step six: opening a visibility setting panel of a 1-layer elevation plane view in Revit software, and then setting linear widths of models such as heating equipment, pipelines, valves and the like below a projection surface to form a heating plane view;
step seven: adjusting the view scale of a heating plane view, the display mode of a pipeline system model and the horizontal position of a water supply and return pipeline which is shielded up and down in the heating plane view in Revit software, and then carrying out size marking, characters, annotation description and the like on the heating plane view to perfect the heating plane view;
step eight: determining the number n (n is more than or equal to 1 and less than or equal to 12) of drawings required to be created for expressing the heating plan view and the specification of a corresponding picture frame according to the dimension of the heating plan view marked in the step seven;
step nine: under the project browser, a new drawing P is created1Drawing P2Drawing P of … …nThen selecting the frame required by the drawing1Drawing frame2… … boxesnAnd drawing the picture frame1Drawing frame2、……
Drawing framenIs correspondingly added to drawing P1Drawing P2Drawing P of … …nPerforming the following steps;
step ten: under a project browser, selecting a heating plan view, selecting 'copy as correlation', copying (n-1) parts of the heating plan view, and respectively renaming the parts as a heating plan view 1, a heating plan view 2, a heating plan view 3 and a heating plan view … … n;
step eleven: under a heating plan view 1, clicking a functional area view, splicing lines, and adding the splicing lines, wherein the method for adding the splicing lines comprises the following steps:
sequentially adding i (i is more than or equal to 2 and less than or equal to 4) splicing lines parallel to the long axis along the short axis direction of the view, so that the view is divided into (i-1) sections along the short axis direction, and the length of each section is matched with the short edge of the appointed drawing sheet;
j (j is more than or equal to 2 and less than or equal to 5) splicing lines parallel to the short axis are sequentially added along the long axis direction of the view, so that the view is divided into (j-1) sections along the long axis direction, and the length of each section is matched with the long edge of the appointed drawing; thus the view is divided into (i-1) · (j-1) parts; wherein (i-1) · (j-1) = n, 1 ≦ n ≦ 12, and n has a value of n =1, 2, 3, 6, 9, 12 in the case of a common engineering project; all parts of the view are marked with the code number A11，A12，…… Ai－1，j－1(ii) a Wherein A is11Representing the part of the first row and the first column, A12Representing the parts of the first row and second column, … … Ai－1，j－1A section representing the (i-1) th row and the (j-1) th column;
step twelve: in heating plan view 1, adjust the cropping zone to A11Boundary position, in heating plan view 2, adjust cropping zone to A12Boundary position… … adjusting the cropping zone to A in heating plan view ni－1，j－1The boundary position is adopted, so that a complete heating plan view is split into n partial views;
step thirteen: the split A is11，A12，……Ai－1，j－1Adding n partial views in total to the drawing P created in the step nine respectively1Drawing P2… … drawing PnIn each picture frame, a Revit text annotation tool is used for annotating the logical connection relation of n drawings, and finally a large workshop heating plan is formed;
fourteen steps: and (4) deriving an electronic large workshop heating plan by utilizing Revit software.
4. The heating map making method for the large workshop with the BIM forward design as claimed in claim 3, wherein stage three comprises the following nine steps:
step fifteen: in Revit software, link files of a building professional BIM model and a structure professional BIM model are hidden in a heating three-dimensional view;
sixthly, the steps are as follows: adjusting the view scale of a heating three-dimensional view and the display mode of a pipeline system model in Revit software;
seventeen steps: determining the number m of drawings required to be created for expressing the heating three-dimensional view and the specification of a corresponding picture frame according to the proportion of the map of the heating three-dimensional view in the step sixteen;
eighteen steps: under the project browser, a new drawing S is created1Drawing sheet S2Drawing S … …mSelecting and correspondingly adding the picture frame 1, the picture frame 2 and the … … picture frame m required by deriving the heating system picture to the drawing S1Drawing sheet S2Drawing S … …m；
Nineteen steps: selecting a heating three-dimensional view in a project browser, selecting 'copying as correlation', copying (m-1) parts of the heating three-dimensional view, and respectively naming the parts as a three-dimensional view 1, a three-dimensional view 2, a three-dimensional view 3 and a three-dimensional view … …;
twenty steps: in item browserThen, in each three-dimensional view, by using a profile frame tool and by a method of dragging a profile frame, only the 1 st part of the three-dimensional model of the heating system is displayed in the three-dimensional view 1, only the 2 nd part of the three-dimensional model of the heating system is displayed in the three-dimensional view 2, only the 3 rd part of the three-dimensional model of the heating system is displayed in the three-dimensional view 3, and only the m th part of the three-dimensional model of the heating system is displayed in the three-dimensional view m in … …; making the range of three-dimensional views 1, 2, 3, … … and the designated drawing sheet S1Drawing sheet S2Drawing sheet S3… … drawing SmMatching the image frames; the angles of the front, back, upper, lower and left of the three-dimensional views m, 1, 2, 3 and … …, are changed to avoid the overlapping, shielding and the like of pipelines, and the three-dimensional views m are adjusted to the optimal drawing angle; respectively locking the directions of the three-dimensional views 1, 2, 3 and … …;
twenty one: marking the pipe diameter size, characters, annotation instructions and the like on the heating three-dimensional views 1, 2 and … … m, and perfecting the heating three-dimensional views;
step twenty-two: respectively arranging the three-dimensional views 1, 2 and … … of the heating of the large workshop on the drawing S created in the eighteenth step1Drawing sheet S2… … drawing SmIn each picture frame, a Revit text annotation tool is used for annotating the logical connection relation of m drawings, and finally a large workshop heating system diagram is formed;
twenty-three steps: and (4) deriving an electronic large workshop heating system map by utilizing Revit software.
5. The heating map making method for the large workshop of the BIM forward design as claimed in claim 4, wherein when a large sample view is required to be added to the heating system map for the large workshop, a three-dimensional view k (k is more than or equal to 1 and less than or equal to m) where the large sample view is located is taken as a parent view, the 'with detail copy' is selected under the parent view, the large sample view is taken as a child view of the parent view, the child view is created through the twenty steps, the created child view is arranged in a blank frame of the drawing where the parent view is located, a Revit text annotation tool is used for annotating the logical connection relationship of the drawing, the large sample view is perfected, and finally the drawing is exported together with the heating system map for the large workshop.
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