CN118134437A - Digital lofting and welding management method for pipeline based on BIM technology - Google Patents
Digital lofting and welding management method for pipeline based on BIM technology Download PDFInfo
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Abstract
The invention belongs to the technical field of building information, and relates to a pipeline digital lofting and welding management method based on BIM technology, which comprises the steps of obtaining initial data information of a plurality of pipeline elements, and constructing a BIM model of a pipeline system by using BIM software; the BIM model automatically generates a lofting drawing and a plurality of continuous cutting lists of the pipeline system, and pipeline elements sequentially carry out on-site lofting welding construction by using a digital tool according to the plurality of continuous cutting lists of the lofting drawing; and the mobile equipment acquires welding data information and synchronizes the welding data information to a cloud platform of the BIM model, and updates the lofting drawing in real time. The automatic generation of the lofting drawings and the cutting list is realized by establishing an accurate BIM model, so that the lofting efficiency is improved; meanwhile, the mobile equipment synchronizes data with the BIM in real time through the cloud platform, so that real-time monitoring and quality management of the welding process and collaborative operation among design, construction and supervision teams are realized, human errors are reduced, and efficiency and quality of the whole welding construction process are improved.
Description
Technical Field
The invention relates to a pipeline digital lofting and welding management method based on BIM technology, and belongs to the technical field of building information.
Background
BIM is a digital design and management tool used to create and represent three-dimensional models of building projects. BIM not only contains the geometry of the building, but also integrates all information related to the building, such as material properties, construction details, equipment systems, and energy analysis. BIM technology helps to reduce design errors, improve construction efficiency and reduce operation cost, and is an important trend in the modern building industry.
The traditional pipeline construction depends on two-dimensional drawings, the three-dimensional structure and the interrelation of a pipeline system are difficult to intuitively display, the traditional welding management depends on manual recording and experience judgment, scientificity and systemicity are lacking, in large engineering projects, information sharing and cooperation among design, construction and supervision teams are blocked, and an efficient information transmission mechanism is lacking, so that communication cost is increased, and decision efficiency is reduced.
Disclosure of Invention
Accordingly, the present invention is directed to a method for digitally laying out and welding a pipeline based on BIM technology, so as to solve the technical problems mentioned in the prior art.
The digital pipeline lofting method based on BIM technology comprises the following steps:
s1, acquiring initial data information of a plurality of pipeline elements, constructing a BIM model of the pipeline elements in site lofting welding construction by using BIM software, and forming a pipeline system in the BIM model;
S2, automatically generating a lofting drawing and a plurality of continuous cutting lists of the pipeline system by the BIM, wherein the BIM is provided with a drawing generation unit, a data cutting unit and a marking unit, and the drawing generation unit, the data cutting unit and the marking unit are arranged in the BIM, wherein:
the drawing generating unit establishes a three-dimensional model of the pipeline system in the BIM model according to the initial data information of the pipeline element, and generates the lofting drawing by utilizing the three-dimensional model of the pipeline system;
the data cutting unit divides the lofting drawings into a plurality of continuous cutting lists according to each step of the welding process of the pipeline system;
The marking unit is used for marking the corresponding cutting list with a finishing mark when the pipeline system finishes each step of the welding process;
S3, the pipeline element is subjected to field lofting welding construction on a construction site by using a digital tool according to a plurality of continuous cutting lists of the lofting drawings;
S4, acquiring welding data information of the pipeline element in the field lofting welding construction process according to each cutting list through mobile equipment, and synchronizing the welding data information into a cloud platform of the BIM model, wherein the BIM model is further provided with a correction unit, and the correction unit comprises the following steps:
and the correction unit performs self-learning comparison on the basis of the initial data information of the pipeline element and the acquired welding data information of the pipeline element in the field lofting welding construction process according to each cutting list, obtains the deviation degree of the pipeline element in the field lofting welding construction process, generates error correction data information and is coupled to the drawing generation unit to update the lofting drawing in real time.
Optionally, the initial data information of the pipe elements includes the size, material, connection mode and welding requirement of the pipe elements, and the welding point position and welding parameter between two adjacent pipe elements set on the pipe system.
Optionally, the digitizing tool comprises at least one selected from a tablet computer, a drone, and an augmented reality device.
Optionally, the digitizing tool identifies each pipe element of the pipe system in the BIM model through an image identification technique, and superimposes an augmented reality technique into the BIM model, and each pipe element in the BIM model is displayed in real time at a construction site through the digitizing tool to guide lofting of the pipe element at the construction site.
Optionally, when the deviation degree of the pipeline element generated in the field lofting welding construction process is greater than 0, displaying a completion mark corresponding to the cutting list in the BIM model as red;
And when the deviation degree of the pipeline element generated in the field lofting welding construction process is equal to 0, displaying a completion mark corresponding to the cutting list in the BIM model as black.
Optionally, when the drawing generating unit updates the lofting drawing in real time, the cutting list which is not marked with the completion mark and the cutting list which is displayed as red by the completion mark are updated.
Optionally, when updating the cutting list not marked with the completion identifier, the drawing generating unit superimposes the error correction data information on the initial data information of the pipeline element to serve as a current welding parameter of the pipeline element, and updates a three-dimensional model of the pipeline system in the BIM model according to the current welding parameter of the pipeline element, so as to generate the updated lofting drawing.
Optionally, when updating the cutting list with the red finish mark, the drawing generating unit replaces initial data information of the pipeline element with welding data information acquired in the field lofting welding construction process of the corresponding pipeline element according to the corresponding cutting list, and updates a three-dimensional model of the pipeline system in the BIM model to generate the lofting drawing after updating.
The pipeline welding management method based on BIM technology is applied to the digital lofting method, and comprises the following steps of:
marking the welding point position of a pipeline system in a BIM model, and recording the welding parameters of each step of the corresponding welding process of the pipeline system;
acquiring welding data information of a pipeline element in the field lofting welding construction process by mobile equipment and synchronizing the welding data information into the BIM model, wherein the welding data information comprises welding current, voltage, speed and time;
and comparing the acquired welding data information with the welding requirements in the BIM model to evaluate the welding quality of the pipeline system.
Optionally, analyzing the welding data information through the BIM model, and if the welding data information does not exceed the preset deviation, generating a welding quality report for adjusting a welding process of the pipeline system or reworking the pipeline system according to the welding quality report; and if the welding data information exceeds the preset deviation, the alarm system alarms to prompt operators to correct the deviation of the pipeline system.
The invention has the beneficial effects that:
According to the pipeline digital lofting and welding management method based on the BIM technology, through establishing an accurate BIM model, automatic generation of lofting drawings and cutting lists is achieved, lofting efficiency is improved, meanwhile, through real-time data synchronization of mobile equipment and the BIM model, real-time monitoring and quality management of a welding process are achieved, human errors are reduced, welding quality is improved, in addition, the BIM model achieves data sharing and storage with the mobile equipment through a cloud platform, design, construction and supervision team can access the cloud platform in real time, collaborative operation among design, construction and supervision teams is achieved, and efficiency and quality of the whole welding construction process are improved.
Drawings
FIG. 1 is a flow chart of a digital lofting method of a pipeline based on BIM technology of the invention;
FIG. 2 is a logic block diagram of a method of managing pipeline welding based on BIM technology of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples, but the present invention is not limited to these examples.
Example 1:
As shown in fig. 1, the invention provides a pipeline digital lofting method based on a BIM technology, the digital lofting method comprises the following steps:
Firstly, acquiring initial data information of a plurality of pipeline elements, constructing a BIM model of the pipeline elements in site lofting welding construction by using BIM software, and forming a pipeline system in the BIM model; specifically, the initial data information of the pipe elements includes the size, material, connection mode and welding requirement of the pipe elements, and the welding point position and welding parameters between two adjacent pipe elements set on the pipe system.
Step two, automatically generating a lofting drawing and a plurality of continuous cutting lists of the pipeline system by using a BIM (building information modeling) model, wherein the BIM model is provided with a drawing generating unit, a data cutting unit and a marking unit, the drawing generating unit establishes a three-dimensional model of the pipeline system in the BIM model according to initial data information of pipeline elements, and the lofting drawing is generated by using the three-dimensional model of the pipeline system; the data cutting unit divides the lofting drawings into a plurality of continuous cutting lists according to each step of the welding process of the pipeline system; the marking unit is used for marking the completion mark for the corresponding cutting list when the pipeline system completes each step of the welding process.
Thirdly, sequentially carrying out on-site lofting welding construction on the pipeline element by using a digital tool on a construction site according to a plurality of continuous cutting lists of lofting drawings; specifically, the digitizing tool comprises at least one selected from a tablet computer, a unmanned aerial vehicle and an augmented reality device, wherein the digitizing tool identifies each pipe element of the pipe system in the BIM model through an image identification technology, and superimposes the augmented reality technology into the BIM model, and each pipe element in the BIM model is displayed in real time through the digitizing tool at a construction site to guide the lofting of the pipe element at the construction site.
Specifically, the process of identifying each pipe element of the pipe system in the BIM model by image recognition technology is: carrying out preprocessing operations such as denoising, enhancing, cutting and the like on the identified image of each pipeline element so as to improve the image quality, correct the geometric deformation of the image and ensure the consistency of the image and the BIM; extracting key features of the pipeline element, such as shape, size, texture, color and the like, from the processed image; extracting feature points of key features of the pipeline element by using an image recognition algorithm, wherein the image recognition algorithm adopts SIFT (scale invariant feature transform), SURF (speeded up robust feature) or ORB (Oriented FAST and Rotated BRIEF) algorithm and the like; in the BIM model, numbering and classifying each pipeline element, extracting the geometric characteristics and attribute information of the pipeline element, and taking the extracted characteristic points, the geometric characteristics and the attribute information together as a database of the pipeline element; matching all the features in the database of the pipeline elements with the features of the pipeline elements in the BIM model, and performing feature matching by using a machine learning algorithm or a deep learning algorithm (such as a convolutional neural network); evaluating and verifying the matching degree according to the matching result, and improving the matching accuracy by using geometric constraints (such as angles and dimensional relations) and semantic information (such as element types); performing error analysis and correction on the pipeline element with lower matching degree, wherein the error analysis and correction at least comprises the steps of adjusting image processing parameters or improving a matching algorithm, and improving the overall accuracy of matching through iterative optimization; outputting the matching result as a report or directly marking in a BIM model, and simultaneously applying the matched pipeline element information to links such as construction management, quality inspection, progress tracking and the like; therefore, each pipeline element of the pipeline system in the BIM model identified by the image identification technology is integrated into a construction management platform, an automatic process is realized, and on-site personnel are allowed to match and verify the pipeline elements in real time through mobile equipment.
Specifically, the specific process of overlaying the augmented reality technology into the BIM model is: deriving a BIM model from BIM software, and converting the BIM model into a format supported by an AR application program, so as to ensure that the BIM model contains necessary geometric information and attribute data so as to be correctly displayed in an AR environment; selecting a suitable AR device, such as AR glasses, a tablet computer or a smart phone, installing and configuring an AR application in the AR device, ensuring that the AR device is able to capture and identify specific markers or features in the real world; performing environment scanning by using AR equipment at a construction site, establishing a corresponding relation between a coordinate system of the AR equipment and an actual site position, and ensuring that a BIM model can be accurately overlapped at the correct position in the real world by using SLAM technology or other positioning technologies; and loading the BIM model into the AR application program, and superposing the BIM model into the real environment according to the on-site calibration data, so that real-time synchronization of the BIM model and the real environment is realized, and the position of a pipeline element in the BIM model is ensured to be consistent with the actual construction condition.
In the above, the time and labor required by traditional lofting are reduced through digital lofting, the construction efficiency is improved, and constructors can respond to site changes rapidly through real-time updating of the BIM model, so that construction delay is reduced; meanwhile, the application of BIM technology obviously reduces design errors and construction errors, reduces the possibility of reworking, and is beneficial to finding and eliminating the installation errors of pipeline elements in advance by accurate lofting and pre-installation simulation.
Furthermore, the digital lofting ensures the installation quality of a pipeline system, reduces the problems of leakage or vibration and the like caused by improper installation, and the data information in the BIM model is beneficial to constructors to better understand the design intention, so that the installation quality is improved, the BIM model can also provide accurate materials and component requirements, is beneficial to optimizing material purchase and inventory management, reduces material waste and improves the resource utilization rate. The BIM model is used as a shared information platform, so that cooperation and communication among different construction participants are improved, all relevant operators can access the latest BIM model information in real time, and consistency of construction information is ensured.
And fourthly, acquiring welding data information of the pipeline element in the field lofting welding construction process according to each cutting list through mobile equipment, synchronizing the welding data information into a cloud platform of a BIM model, and enabling the BIM model to further comprise a correction unit, wherein the correction unit carries out self-learning comparison on the basis of initial data information of the pipeline element and the acquired welding data information of the pipeline element in the field lofting welding construction process according to each cutting list, obtains the deviation degree of the pipeline element in the field lofting welding construction process, generates error correction data information and is coupled to a drawing generation unit to update lofting drawings in real time.
In the foregoing, a mobile device, also referred to as a mobile device, or handheld device, is a pocket-sized computing device, typically having a small display screen, touch input, or small keyboard. The BIM model is used for accessing and obtaining various information such as mobile equipment such as a portable computer and a smart phone at any time and any place, and in the embodiment, the BIM model realizes data sharing and storage with the mobile equipment through the cloud platform, so that design, construction and supervision team can access the cloud platform in real time, collaborative operation among the design, construction and supervision team is realized, and efficiency and quality of the whole welding construction process are improved.
In the above, if the deviation degree of the pipeline element generated in the field lofting welding construction process is greater than 0, the completion mark of the corresponding cutting list in the BIM model is displayed as red; and if the deviation degree of the pipeline element generated in the field lofting welding construction process is equal to 0, displaying the completion mark of the corresponding cutting list in the BIM model as black. The method is convenient for operators to judge the degree of influence of the degree of deviation generated in the field lofting welding construction process of the pipeline system on the performance of the pipeline system, and the welding process of the pipeline system is adjusted by quickly and accurately searching the process step corresponding to the degree of deviation according to the corresponding completion mark, and whether reworking is needed is determined according to the degree of influence of the degree of deviation on the performance of the pipeline system.
In the above, when the deviation degree of the pipeline element occurs in the field lofting welding construction process, the welding parameters in the welding process of the pipeline element are synchronously adjusted through the correction unit, so that updating of the lofting drawing is realized, the adjusted welding parameters are input into the data cutting unit, and the cutting list which is not marked with the finishing mark in the lofting drawing and the cutting list which is displayed as red by the finishing mark are updated. Specifically, when the drawing generating unit updates the lofting drawing in real time, the cutting list which is not marked with the completion mark and the cutting list which is displayed as red by the completion mark are updated, so that the capacity of data updating is reduced, the updating rate of the BIM model is improved, the communication time delay is reduced, the information sharing and collaboration among design, construction and supervision teams are further promoted, the efficient information transmission mechanism is provided, the communication cost is reduced, and the decision making efficiency is improved. When updating a cutting list which is not marked with a finishing mark, the drawing generating unit superimposes error correction data information into initial data information of the pipeline element to serve as current welding parameters of the pipeline element, and updates a three-dimensional model of a pipeline system in the BIM according to the current welding parameters of the pipeline element to generate an updated lofting drawing; when the cutting list with the red mark is updated, the drawing generating unit replaces the initial data information of the pipeline element with the welding data information acquired in the field lofting welding construction process of the corresponding pipeline element according to the corresponding cutting list, updates the three-dimensional model of the pipeline system in the BIM model, and generates an updated lofting drawing.
Example 2:
As shown in fig. 2, the invention further provides a pipeline welding management method based on the BIM technology, and the welding management method is applied to the digital lofting method, and comprises the following steps: marking the welding point position of the pipeline system in the BIM model, and recording the welding parameters of each step of the corresponding welding process of the pipeline system; acquiring welding data information of the pipeline element in the field lofting welding construction process by mobile equipment and synchronizing the welding data information into a BIM model, wherein the welding data information comprises, but is not limited to, welding current, voltage, speed and time; and comparing the acquired welding data information with welding requirements in the BIM model to evaluate the welding quality of the pipeline system. Specifically, analyzing welding data information through a BIM model, and if the welding data information does not exceed a preset deviation, generating a welding quality report for adjusting a welding process of a pipeline system or reworking the pipeline system according to the welding quality report; if the welding data information exceeds the preset deviation, the alarm system alarms to prompt operators to correct the deviation of the pipeline system. In the above, the BIM model realizes data sharing and storage with the mobile equipment through the cloud platform, ensures that design, construction and supervision teams can access the cloud platform in real time, realizes collaborative operation among the design, construction and supervision teams, and improves the efficiency and quality of the whole welding construction process.
While the invention has been described in terms of preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the invention, and it is intended that the invention is not limited to the specific embodiments disclosed.
Claims (10)
1. The digital pipeline lofting method based on the BIM technology is characterized by comprising the following steps of:
s1, acquiring initial data information of a plurality of pipeline elements, constructing a BIM model of the pipeline elements in site lofting welding construction by using BIM software, and forming a pipeline system in the BIM model;
S2, automatically generating a lofting drawing and a plurality of continuous cutting lists of the pipeline system by the BIM, wherein the BIM is provided with a drawing generation unit, a data cutting unit and a marking unit, and the drawing generation unit, the data cutting unit and the marking unit are arranged in the BIM, wherein:
the drawing generating unit establishes a three-dimensional model of the pipeline system in the BIM model according to the initial data information of the pipeline element, and generates the lofting drawing by utilizing the three-dimensional model of the pipeline system;
the data cutting unit divides the lofting drawings into a plurality of continuous cutting lists according to each step of the welding process of the pipeline system;
The marking unit is used for marking the corresponding cutting list with a finishing mark when the pipeline system finishes each step of the welding process;
S3, the pipeline element is subjected to field lofting welding construction on a construction site by using a digital tool according to a plurality of continuous cutting lists of the lofting drawings;
S4, acquiring welding data information of the pipeline element in the field lofting welding construction process according to each cutting list through mobile equipment, and synchronizing the welding data information into a cloud platform of the BIM model, wherein the BIM model is further provided with a correction unit, and the correction unit comprises the following steps:
and the correction unit performs self-learning comparison on the basis of the initial data information of the pipeline element and the acquired welding data information of the pipeline element in the field lofting welding construction process according to each cutting list, obtains the deviation degree of the pipeline element in the field lofting welding construction process, generates error correction data information and is coupled to the drawing generation unit to update the lofting drawing in real time.
2. The method for digitally laying out a pipeline based on the BIM technique according to claim 1, wherein the initial data information of the pipeline elements includes the size, material, connection mode and welding requirements of the pipeline elements, and the welding point position and welding parameters between two adjacent pipeline elements set on the pipeline system.
3. The method of digital lofting a pipeline based on BIM technology according to claim 1, wherein the digitizing tool includes at least one selected from the group consisting of a tablet computer, a drone, and an augmented reality device.
4. A method of digitally laying out a pipeline based on BIM technology according to claim 3, wherein the digitising tool identifies each pipeline element of the pipeline system in the BIM model by image recognition technology and superimposes augmented reality technology into the BIM model, each pipeline element in the BIM model being presented in real time at the job site by the digitising tool to guide the laying out of the pipeline element at the job site.
5. The digital pipeline lofting method based on the BIM technology according to claim 1, wherein when the deviation degree of the pipeline element generated in the field lofting welding construction process is greater than 0, the completion mark corresponding to the cutting list in the BIM model is displayed in red;
And when the deviation degree of the pipeline element generated in the field lofting welding construction process is equal to 0, displaying a completion mark corresponding to the cutting list in the BIM model as black.
6. The method for digitally laying out a pipeline based on the BIM technique according to claim 5, wherein when the drawing generating unit updates the laying out drawing in real time, the cutting list not marked with the completion flag and the cutting list with the completion flag displayed in red are updated.
7. The method for digitally laying out a pipeline based on the BIM technique according to claim 6, wherein when updating the cutting list not marked with the completion flag, the drawing generating unit superimposes the error correction data information on the initial data information of the pipeline element as the current welding parameter of the pipeline element, and updates the three-dimensional model of the pipeline system in the BIM model according to the current welding parameter of the pipeline element, to generate the updated laying out drawing.
8. The digitized lofting method of pipeline based on BIM technology of claim 6, wherein when updating the cutting list with the red finish mark, the drawing generating unit replaces the initial data information of the pipeline element with the welding data information collected in the field lofting welding construction process of the corresponding pipeline element according to the corresponding cutting list, and updates the three-dimensional model of the pipeline system in the BIM model to generate the lofting drawing after updating.
9. A method for managing pipeline welding based on BIM technology, which is characterized in that the method is applied to the digital lofting method according to any one of claims 1 to 8, and comprises the following steps:
marking the welding point position of a pipeline system in a BIM model, and recording the welding parameters of each step of the corresponding welding process of the pipeline system;
acquiring welding data information of a pipeline element in the field lofting welding construction process by mobile equipment and synchronizing the welding data information into the BIM model, wherein the welding data information comprises welding current, voltage, speed and time;
and comparing the acquired welding data information with the welding requirements in the BIM model to evaluate the welding quality of the pipeline system.
10. The method for managing pipeline welding based on the BIM technology according to claim 9, wherein the welding data information is analyzed through the BIM model, and if the welding data information does not exceed a preset deviation, a welding quality report is generated for adjusting a welding process of a pipeline system or reworking the pipeline system according to the welding quality report; and if the welding data information exceeds the preset deviation, the alarm system alarms to prompt operators to correct the deviation of the pipeline system.
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| CN116652440A (en) * | 2023-07-31 | 2023-08-29 | 中建安装集团西安建设投资有限公司 | Digital welding method and control system for steel structure |
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