CN111475887A - Three-dimensional model-based ship pipeline support and hanger rapid statistics and plotting method - Google Patents
Three-dimensional model-based ship pipeline support and hanger rapid statistics and plotting method Download PDFInfo
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- CN111475887A CN111475887A CN201910926344.8A CN201910926344A CN111475887A CN 111475887 A CN111475887 A CN 111475887A CN 201910926344 A CN201910926344 A CN 201910926344A CN 111475887 A CN111475887 A CN 111475887A
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Abstract
The invention discloses a three-dimensional model-based rapid statistics and plotting method for a ship pipeline support hanger, which comprises the following steps of: establishing a pipeline support and hanger model, and matching installation information parameters of the pipeline support and hanger in a three-dimensional model; laying pipeline support and hanger models, wherein the pipeline support and hanger models need to be laid under the assembly nodes in a classified mode according to the requirements of statistics and drawing; numbering the pipeline support and hanger models, and writing the number information into the model attributes; exporting statistical information of the pipeline support hanger: the method comprises the following steps of performing projection transformation on a pipeline support and hanger model, establishing a mapping relation between different visual angle projection drawings of a pipeline support and corresponding simplified symbols, and transforming the projection drawings of the pipeline support and hanger model into the corresponding pipeline support and hanger simplified symbols; and (5) quickly marking a pipeline support and hanger installation drawing. The invention has the beneficial effects that: the method of the invention realizes the automatic statistics of the specification and the number of the pipeline supporting and hanging frames, and the quick plotting of the installation diagram of the pipeline supporting and hanging frames is realized according to the plotting requirement of the pipeline supporting and hanging frames, thereby greatly improving the design quality and the efficiency of a pipeline system.
Description
Technical Field
The invention belongs to the field of ship systems and digital design, and particularly relates to a three-dimensional model-based ship pipeline support and hanger rapid statistics and plotting method.
Background
A ship pipeline support hanger is also called a pipeline horse foot, is a complex assembly formed by combining elements such as a clamping ring, a support (hanger), a vibration isolation pad, a vibration isolator and the like, has the main functions of bearing pipeline load, restraining pipeline deformation, controlling pipeline vibration and the like, and is an important component of a ship fluid pipe network system. The design of the pipeline supporting and hanging bracket directly influences the fluid characteristics, the shock resistance and the vibration noise control effect of a pipe network, and is important content in the design of a ship system.
In the design of a ship system, pipeline supporting and hanging frames are distributed on the whole ship and have the characteristics of large quantity and complex structure, so that the statistics and the plotting of the pipeline supporting and hanging frames are heavy. At present, the statistics and the drawing of the pipeline support hanger are mainly based on the lofting result of the pipeline support hanger, and related installation elements are counted manually and a pipeline support hanger installation drawing is drawn. The traditional working mode needs to consume a great deal of time and energy of designers, and along with the adjustment of design schemes, the traditional statistical and graph mode cannot realize automatic updating, and the design quality and efficiency are difficult to guarantee.
With the increasing requirements of shipowners on the performance of various aspects of ship equipment and the increasingly prominent requirements on fine design, the digital design gradually becomes a powerful technical means for realizing the lean design of ships. In the current digital design of ships, the statistics and the plotting based on models are limited to the statistics of the number, the length and the gravity center of the models and the simple projection of the models, which can reduce part of the workload, but due to the lack of pertinence, designers still need to spend a great deal of time and effort for data arrangement and editing and modifying of the drawing information in the later period, so that the whole process needs to be optimized.
Disclosure of Invention
The invention aims to provide a three-dimensional model-based rapid counting and plotting method for a ship pipeline support hanger, which is convenient, rapid, accurate and efficient, aiming at the defects of the prior art.
The technical scheme adopted by the invention is as follows: a three-dimensional model-based ship pipeline support and hanger rapid statistics and plotting method comprises the following steps:
step one, a pipeline support and hanger model is created: establishing a three-dimensional model of the pipeline supporting and hanging bracket by using three-dimensional design software, matching installation information parameters of the pipeline supporting and hanging bracket in the three-dimensional model, and introducing the model into a pipeline design basic resource library;
step two, laying a pipeline support and hanger model: selecting and distributing pipeline support and hanger models according to the installation requirements and design standards of pipelines, wherein the pipeline support and hanger models need to be distributed under the assembly nodes in a classified manner according to the requirements of statistics and plotting;
numbering pipeline support and hanger models; selecting a pipeline support hanger node which needs to be counted and plotted, carrying out batch classification, sequencing and numbering on the pipeline support hangers below the node according to the requirements of plotting and counting, and writing the numbering information into the attribute of the model;
step four, exporting statistical information of the pipeline support and hanger: traversing key words of the pipeline support and hanger model through a program according to the model information written in the first step and the second step, reading related information, conducting batch derivation and statistical calculation, and generating a pipeline support and hanger list;
step five, the projection transformation of the pipeline support and hanger model: projecting the pipeline support and hanger model to generate pipeline support and hanger projection drawings with different visual angles; then, by utilizing a projection transformation function, establishing a mapping relation between different visual angle projection drawings of the pipeline support and the corresponding simplified symbols, and transforming the projection drawings of the pipeline support and hanger model into the corresponding pipeline support and hanger simplified symbols;
step six, quickly marking a pipeline support and hanger installation drawing: and (3) rapidly extracting and automatically marking the installation information in the pipeline support and hanger model through a program by utilizing the mapping relation among the pipeline support and hanger model, the model projection and the projection transformation symbol.
According to the scheme, in the step one, the minimum unit of modeling is a support and hanger element, and the internal information parameters and the assembly information of each element model are stored in the attributes of the three-dimensional model.
According to the scheme, the internal information of each element model comprises the specification, the geometric dimension and the weight center of gravity of each element.
According to the scheme, the installation information parameters of the pipeline supporting and hanging frame comprise internal information parameters of the pipeline supporting and hanging frame and external information parameters of the pipeline supporting and hanging frame, wherein the internal information parameters of the pipeline supporting and hanging frame comprise the specification, the name and the weight gravity center of a pipeline supporting and hanging frame model; the external information parameters of the pipeline supporting and hanging bracket comprise the system of the pipeline supporting and hanging bracket, the form of a supporting surface, the selection quantity, the installation position, the installation orientation and the number.
According to the scheme, the internal information of the pipeline supporting and hanging bracket is predefined in the model base in a modeling mode according to the specification of the pipeline supporting and hanging bracket and related design drawings and standards, is determined in a mode of supporting and hanging bracket type selection, and is stored in the attribute of the model.
According to the scheme, the external information parameters are determined according to the actual condition of the distribution of the pipeline supporting and hanging frame, and the system information of the pipeline supporting and hanging frame needs to be written into the attribute of the model in a system coding mode in the design process.
The invention has the beneficial effects that:
1. the method of the invention realizes the automatic statistics of the specification and the number of the pipeline supporting and hanging frames, and the quick plotting of the installation diagram of the pipeline supporting and hanging frames is realized according to the plotting requirement of the pipeline supporting and hanging frames, thereby greatly improving the design quality and the efficiency of a pipeline system.
2. The invention realizes fast statistics and plotting by utilizing the three-dimensional model of the pipeline support hanger without manual statistics calculation and plotting, and once the model base and the relevant mapping relation are established, the relevant statistical data and the drawing information can be conveniently and fast updated when the design scheme is changed.
3. The pipeline support and hanger model is taken as a single data source, the statistical information and the drawing information are completely consistent with the design model, and no statistical omission or drawing error exists; compared with the traditional manual calculation, designers can get rid of a large amount of complicated design, statistics and drawing work, the productivity is liberated, the working efficiency is improved, and support is provided for the design of ship pipelines.
Drawings
Fig. 1 is a structural pipeline support and hanger model composition framework.
Fig. 2 shows a bulkhead pipe hanger.
Fig. 3 is a full view of a pipeline cradle model projection.
Fig. 4 is a partial view of a pipeline cradle model projection.
FIG. 5 is a full view of the pipe hanger model projection transformation in this embodiment.
FIG. 6 is a partial view of a pipeline cradle model projection variation.
Fig. 7 is a diagram illustrating installation information of the pipe hanger in this embodiment.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
As shown in fig. 1, a three-dimensional model-based rapid statistics and mapping method for a ship pipeline support hanger includes the following steps:
step one, a pipeline support and hanger model is created, and installation information parameters of the pipeline support and hanger are matched in a three-dimensional model:
and (3) creating a three-dimensional model of the pipeline support and hanger in a structured form by utilizing three-dimensional design software and combining a pipeline support and hanger design drawing according to the design standard of the ship pipeline and the support and hanger selection principle, and introducing the model into a pipeline design basic resource library. The installation information parameters of the pipeline support and hanger comprise internal information parameters of the pipeline support and hanger and external information parameters of the pipeline support and hanger, wherein the internal information parameters of the pipeline support and hanger comprise the specification, the name and the weight gravity center of a pipeline support and hanger model; the external information parameters of the pipeline supporting and hanging bracket comprise the system of the pipeline supporting and hanging bracket, the form of a supporting surface, the selection quantity, the installation position, the installation orientation and the number. The pipeline support hanger mainly comprises a clamping ring, a bracket, a vibration isolating pad, a vibration isolator and the like. The minimum unit of modeling is that support and hanger components such as clamp ring, bracket, vibration isolator, and the like, and the internal information of each component model (clamp ring, bracket, vibration isolator, and the like), such as material, geometric dimension, and weight center of gravity, are stored in the attributes of the three-dimensional model. The assembly information of the pipeline support and hanger, such as the assembly form of the support and hanger elements, the matching principle of the fasteners and the like, is stored in the pipeline support and hanger model, and a pipeline support and hanger basic resource library is created to ensure the rapid reuse of the model. In the invention, the assembly information is the matching form and the connection relation of each element of the pipeline support and hanger and is the basic principle of design, and the external information is the position information, the system and the number of the support and hanger and is the result of the design.
Step two, laying a pipeline support and hanger model:
and selecting and distributing the pipeline support and hanger model according to the installation requirement and the design standard of the pipeline. The pipeline supporting and hanging frames need to be arranged under the assembly nodes (which are a subset of the system, the system is composed of equipment, pipelines, pipeline accessories and supporting and hanging frames, and the assembly nodes of the supporting and hanging frames are only one part of the system) according to the statistics and the drawing requirements in a classified mode. Because the information such as the name, the specification, the weight gravity center and the like of the pipeline support and hanger are predefined in the model library, the information such as the number, the arrangement form, the system and the like of the support and hanger are written in the pipeline support and hanger model according to certain rules only according to the statistics and the drawing requirements. Taking a certain type of ship as an example, a pipeline support and hanger is arranged below a node of the pipeline support and hanger, and the code of the system is written in the support and hanger Instance attribute.
Numbering pipeline support and hanger models; selecting the pipeline support and hanger nodes needing statistics and plotting, carrying out batch classification, sequencing and numbering on the pipeline support and hangers below the nodes according to the plotting and statistical requirements, and writing the number information into the model attribute as the serial numbers of the pipeline support and hanger statistics and plotting. The pipeline hangers and support frames should be classified, ordered and numbered according to certain rules (e.g. according to system or area).
Step four, exporting statistical information of the pipeline support and hanger:
and traversing keywords of the pipeline support and hanger model through a program according to the model information written in according to a certain rule in the first step and the second step, reading related information, carrying out batch derivation and statistical calculation, and generating a pipeline support and hanger list.
Step five, the projection transformation of the pipeline support and hanger model:
according to the related requirements of the pipeline support and hanger installation drawing, the pipeline support and hanger model is projected to generate pipeline support and hanger projection drawings with different views, such as a top view, a left view and a cross section, as shown in fig. 4 and 5. And then, establishing a mapping relation between the projection drawings of different visual angles of the pipeline support and the corresponding simplified symbols by utilizing a projection transformation function, and transforming the projection drawings of the support and hanger model into the corresponding pipeline support and hanger simplified symbols according to the drawing expression requirements of the pipeline support and hanger installation drawings, as shown in fig. 5 and 6.
Step six, quickly marking a pipeline support and hanger installation drawing:
by using the mapping relationship among the pipeline support and hanger model, the model projection and the projection transformation symbol, the installation information in the pipeline support and hanger model, such as the serial number, the specification, the system code and the like, is quickly extracted and automatically marked through a program according to a required format, as shown in fig. 7.
The three-dimensional model of the pipeline support and hanger comprises component models such as a pipeline support and hanger framework, clamping rings, a support, vibration isolating pads and vibration isolators, wherein the assembly information of the component models such as the clamping rings, the support, the vibration isolating pads and the vibration isolators is stored in the pipeline support and hanger framework, internal information such as specifications, geometric dimensions, weight centers and the like of the component models such as the clamping rings, the support, the vibration isolating pads and the vibration isolators are recorded according to relevant drawings, and the pipeline support and hanger in different forms can be adaptively modified according to the template. Through a predefined pipeline support and hanger model library, the specific distribution condition of pipeline support and hangers in the three-dimensional model is combined, the model attributes are read through keywords, and related installation information is exported in batches and is output in a certain format, so that the pipeline support and hanger rapid statistics and plotting are realized.
In the first step, the three-dimensional model of the pipeline supporting and hanging bracket comprises installation information parameters such as specification, number, position, orientation and the like; the installation information parameters are divided into two types, one type is internal information parameters and mainly comprises specification, name and weight gravity center information of the pipeline support and hanger model; and the other type is external information parameters which mainly comprise information parameters such as the number, the position, the orientation, the supporting surface, the system and the like of the pipeline supporting and hanging frames.
The internal information parameters of the pipeline support and hanger comprise the name, drawing number, weight gravity center and other parameter information of the pipeline support and hanger, and the parameter information is predefined in a model library in a modeling mode according to the specification of the pipeline support and hanger and according to related design drawings and standards, is determined in a mode of support and hanger type selection, and is stored in the attribute of the model in a certain format. When batch reading and exporting are needed, the attribute information of all pipeline support hangers under the node is acquired and a list is generated by inputting the information of the laying nodes of the pipeline support hangers needing to be exported, then the attribute information needing to be extracted in the support hanger information list is traversed, and a pipeline support hanger part detail list is generated according to a needed format.
The external information parameters of the pipeline supporting and hanging frame are external reference information of a pipeline supporting and hanging frame model determined according to the actual condition of the distribution of the pipeline supporting and hanging frame, such as the form of a system to which the pipeline supporting and hanging frame belongs, the form of a supporting surface, the selection quantity, the installation position, the installation orientation, the number and the like, wherein the information of the system to which the pipeline supporting and hanging frame belongs is required to be written into the attribute of the model in the form of system codes in the design process; and writing the support surface form information into the attribute of the upper assembly node of the support and hanger model in the distribution process according to the specific position of the pipeline and the installation requirement of the support and hanger. The assembly joints divided in the form of the support surfaces can be created before the support hangers are laid out according to the requirements of the drawing and classified in the form of spatial areas (such as cabins, rib positions and functional areas). The pipeline supporting and hanging frames under the same type of assembly nodes are uniformly distributed, so that the distribution, adjustment, updating, statistics and plotting of the pipeline supporting and hanging frames are facilitated. Information such as the number, the installation position and the installation orientation of the pipeline supporting and hanging frames is automatically stored in the model attributes through three-dimensional design software, batch reading and exporting can be carried out according to keywords corresponding to the attributes, and independent writing is not needed in the process of distributing the pipeline supporting and hanging frames.
The projection transformation can project the three-dimensional model to a two-dimensional plane at a specific visual angle, perform projection transformation according to a preset matching relationship between a projection drawing and the simplified symbol to generate a specific simplified symbol, and automatically generate the drawing information of the pipeline support and hanger installation drawing according to the related drawing requirements of the pipeline support and hanger installation drawing. And the quick generation of the picture information of the installation drawing of the pipeline supporting and hanging bracket is realized through the three-dimensional projection transformation of the pipeline supporting and hanging bracket model.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or equivalent substitutions of some technical features, but any modifications, equivalents, improvements and the like within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (6)
1. A three-dimensional model-based ship pipeline support and hanger rapid statistics and plotting method is characterized by comprising the following steps of:
step one, a pipeline support and hanger model is created: establishing a three-dimensional model of the pipeline supporting and hanging bracket by using three-dimensional design software, matching installation information parameters of the pipeline supporting and hanging bracket in the three-dimensional model, and introducing the model into a pipeline design basic resource library;
step two, laying a pipeline support and hanger model: selecting and distributing pipeline support and hanger models according to the installation requirements and design standards of pipelines, wherein the pipeline support and hanger models need to be distributed under the assembly nodes in a classified manner according to the requirements of statistics and plotting;
numbering pipeline support and hanger models; selecting a pipeline support hanger node which needs to be counted and plotted, carrying out batch classification, sequencing and numbering on the pipeline support hangers below the node according to the requirements of plotting and counting, and writing the numbering information into the attribute of the model;
step four, exporting statistical information of the pipeline support and hanger: traversing key words of the pipeline support and hanger model through a program according to the model information written in the first step and the second step, reading related information, conducting batch derivation and statistical calculation, and generating a pipeline support and hanger list;
step five, the projection transformation of the pipeline support and hanger model: projecting the pipeline support and hanger model to generate pipeline support and hanger projection drawings with different visual angles; then, by utilizing a projection transformation function, establishing a mapping relation between different visual angle projection drawings of the pipeline support and the corresponding simplified symbols, and transforming the projection drawings of the pipeline support and hanger model into the corresponding pipeline support and hanger simplified symbols;
step six, quickly marking a pipeline support and hanger installation drawing: and (3) rapidly extracting and automatically marking the installation information in the pipeline support and hanger model through a program by utilizing the mapping relation among the pipeline support and hanger model, the model projection and the projection transformation symbol.
2. The three-dimensional model-based ship pipeline support hanger rapid statistics and mapping method as claimed in claim 1, wherein in the step one, the minimum unit of modeling is a support hanger element, and internal information parameters and assembly information of each element model are stored in attributes of the three-dimensional model.
3. The three-dimensional model-based vessel pipeline hanger rapid statistics and mapping method as claimed in claim 2, wherein the internal information of each element model comprises specification, geometry, weight center of gravity of each element.
4. The three-dimensional model-based rapid statistics and mapping method for ship pipeline hangers and support frames as claimed in claim 1, wherein the installation information parameters of the pipeline hangers and support frames comprise internal information parameters of the pipeline hangers and external information parameters of the pipeline hangers and support frames, wherein the internal information parameters of the pipeline hangers and support frames comprise specifications, names and weight centers of gravity of the pipeline hanger and support frame models; the external information parameters of the pipeline supporting and hanging bracket comprise the system of the pipeline supporting and hanging bracket, the form of a supporting surface, the selection quantity, the installation position, the installation orientation and the number.
5. The three-dimensional model-based rapid statistics and mapping method for ship pipeline hangers and support frames as claimed in claim 1, wherein the internal information of the pipeline hangers and support frames is predefined in a model library in a modeling manner according to the specification of the pipeline hangers and related design drawings and standards, determined by the type selection of the pipeline hangers and stored in the attribute of the model.
6. The three-dimensional model-based ship pipeline support hanger rapid statistics and mapping method as claimed in claim 1, wherein the external information parameters are determined according to the actual situation of the pipeline support hanger arrangement, and the system information of the pipeline support hanger needs to be written in the attribute of the model in the form of system code in the design process.
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