CN115587419A - Ship elbow model quality inspection method based on digital rules - Google Patents
Ship elbow model quality inspection method based on digital rules Download PDFInfo
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- CN115587419A CN115587419A CN202211129915.3A CN202211129915A CN115587419A CN 115587419 A CN115587419 A CN 115587419A CN 202211129915 A CN202211129915 A CN 202211129915A CN 115587419 A CN115587419 A CN 115587419A
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Abstract
The invention relates to the technical field of ship three-dimensional design, in particular to a ship elbow model quality inspection method based on a digitization rule. The method specifically comprises the following steps: customizing a structured pipeline data type based on the three-dimensional design requirement of a ship product; creating an inspection rule based on the structured pipeline data; traversing the structured ship pipeline model data, analyzing the pipeline model related data according to the inspection rule, and generating a tabular inspection report; designers quickly locate and modify problematic elbows via a tabulated inspection report. The method can stably, reliably, quickly and efficiently realize the quality inspection of the bent pipe of the ship, improve the design quality of the pipeline of the ship and shorten the development period.
Description
Technical Field
The invention relates to the technical field of ship three-dimensional design, in particular to a ship elbow model quality inspection method based on a digitization rule.
Background
The design elements of the ship pipeline system are many, the data volume is huge, and the number of large ship pipeline models can reach millions of orders. Meanwhile, due to the comprehensiveness and complexity of ship design, the design method relates to the collaborative design of multiple specialties and multiple matching units, and the characteristics of repeated iteration and spiral rising of the design process are determined. Along with the continuous deepening of the design depth, the difficulty of quality inspection of a ship pipeline system is greatly increased, the efficiency of the traditional manual inspection method is low, the accuracy is difficult to guarantee, and the current digital collaborative design mode is difficult to meet.
The quality of the bent pipe of the ship pipeline system directly influences the safety and the manufacturability of the pipeline system. During the delivery of the fluid, changes in flow conditions produce corresponding pressure fluctuations. The elbow is usually easy to vibrate due to larger flow resistance, so that the connecting part is loosened or leaked, and therefore, the pipeline elbow radius and the elbow angle are correspondingly required in the design of the ship pipeline. In addition, because the pipe bending process and the pipe bending equipment are different, in order to improve the pipe bending quality, strict requirements are required on the pipe bending clamp length, the pipe bending wall thickness and the pipe bending radius, and therefore the pipe bending quality needs to be controlled in the pipeline design process.
The existing quality inspection method for the ship pipe bending model is low in efficiency, accuracy cannot be guaranteed, and design requirements of a ship pipeline system are difficult to meet.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the ship sliding bearing load test and shafting state evaluation system and method can stably, reliably, quickly and efficiently realize the quality inspection of the bent pipe of the ship, improve the design quality of the ship pipeline and shorten the development period.
In order to solve the technical problems, the invention adopts the technical scheme that:
a ship elbow model quality inspection method based on digital rules comprises the following steps:
s1, acquiring structured ship pipeline model data based on three-dimensional design parameters of a ship product;
s2, establishing a checking rule based on the structured pipeline data;
s3, traversing and reading the structured ship pipeline model data, analyzing the pipeline model related data according to the inspection rule, carrying out quality inspection on the ship pipe bending model, and generating a tabular inspection report;
and S4, rapidly positioning the bent pipe with problems through the tabulated inspection report, and rapidly completing modification of related problems by designers.
Further, in step S1, the structured ship pipeline model data includes geometric characteristic information and non-geometric characteristic information, where the geometric characteristic information includes a length, an outer diameter, a wall thickness, a bending angle, and a bending radius of a pipeline; the non-geometric characteristic information comprises the name of the pipeline, the pressure grade, the drift diameter, the material, the pipeline control point and the processing requirement.
Further, in step S2, the creating of the inspection rule based on the structured pipeline data specifically includes: the related attributes of the pipeline are read through a development program, and a check rule which can be executed by a computer is formulated according to the design requirement of the pipeline to carry out rapid analysis and judgment, so that the quality problem of the pipeline model is automatically checked.
Further, the inspection rule specifically includes a design basis inspection, a material selection inspection, a design matching inspection, and a workability inspection.
Further, in step S3, the analyzing the data related to the pipeline model according to the checking rule includes the following steps:
s31, checking the length of the bent pipe clamp, and checking whether the length of the straight pipe section before bending the pipe meets the requirement of the pipe bender;
s32, checking the angle of the bent pipe, and checking whether the angle of the bent pipe meets the design requirement and the processing requirement;
and S33, checking the radius of the bent pipe, and checking whether the radius of the bent pipe meets the design requirement and the processing requirement.
Further, in step S31, the checking the length of the elbow clamp specifically includes: judging whether the front clamping length of the bent pipe is greater than the clamping position requirement of the pipe bending machine or not by calculating the distance between the bent pipe control point and the previous bent pipe control point, and if so, enabling the clamping length of the bent pipe to meet the requirement;
the elbow control point is specifically a pipeline control point with a turning angle different from 0.
Further, in step S32, the checking the angle of the bent pipe specifically includes: the angle of the bent pipe at the control point of the bent pipe is read, whether the angle of the bent pipe meets the design requirements or not is judged according to the system, the material and the pressure grade of the pipeline, and if yes, the angle of the bent pipe meets the requirements.
Further, in step S33, the checking the radius of the bent pipe specifically includes: whether the turning radius value of the elbow meets the design requirement or not is judged by reading the turning radius at the control point of the elbow and combining the system, the material and the outer diameter of the pipeline, and if so, the radius of the elbow meets the requirement.
Further, in step S3, the tabular inspection report includes the following columns: serial number, pipe name, system to which it belongs, person responsible, organization and whether there is a quality issue of interest.
Further, in step S3, before the quality inspection of the ship pipe bending model is performed, a quality inspection tool is installed and deployed, where the quality inspection tool is installed and deployed, and the quality inspection tool includes the following steps:
s01, storing a pipeline model checking tool kit generated by the checking rule in a design platform;
s02, establishing a mapping relation between the link and a quality inspection tool package based on the calling link of the design platform inspection tool package, and facilitating the use of a user and the modification and update of a developer;
and S03, using the checking tool by calling the path by the user.
Compared with the prior art, the invention has the following main advantages:
1. according to the method, the inspection of the bent pipe is carried out based on the ship pipeline model, so that problems can be found and solved in time in the early stage of design, the design efficiency is improved, and the rework rate is reduced;
2. the ship pipeline model has good structural characteristics, can be identified by a computer and automatically checked by a development program, and can improve the checking efficiency and reduce the false checking rate compared with the traditional manual checking mode;
3. by carrying out program development on the design requirements and the inspection rules of the bent pipe, the integrity and the correctness of pipeline inspection can be improved, the inspection standard is unified, and the design quality of the ship is improved.
Drawings
FIG. 1 is a flow chart of a ship elbow model quality inspection method based on digital rules according to the invention;
FIG. 2 is a schematic diagram of a structured pipeline data model according to an embodiment of the present invention;
FIG. 3 is a basic flow chart of the quality inspection of the bent pipe according to the embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating data reading of pipeline model control points according to an embodiment of the present invention;
FIG. 5 is a basic flowchart of elbow quality inspection report derivation according to an embodiment of the present invention;
fig. 6 is a basic flow of quality inspection tool installation and deployment in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.
The invention discloses a method for checking the quality of a ship elbow model based on a digitization rule, and aims to solve the problems that in the design process of a ship pipeline, the performance of a pipeline system is reduced or the producibility is not achieved due to the fact that the length of an elbow clamp, the angle of the elbow and the turning radius of the elbow do not meet the design requirements; the method can stably, reliably, quickly and efficiently realize the quality inspection of the bent pipe of the ship, improve the design quality of the pipeline of the ship and shorten the development period.
In a first embodiment, as shown in fig. 1, the method for checking the quality of a ship bending model based on a digitization rule provided by the present application specifically includes the following steps:
s1, acquiring structured ship pipeline model data based on three-dimensional design parameters of a ship product.
The structured ship pipeline model data not only comprise the geometric characteristics of a ship product, but also comprise non-geometric characteristics such as pipeline control points, materials, weight, gravity center, drift diameter and the like, as shown in fig. 2:
the structured ship pipeline model data types mainly comprise geometric characteristic information and non-geometric characteristic information, the geometric characteristic information comprises the length, the outer diameter, the wall thickness, the bending angle, the bending radius and the like of a pipeline, and the non-geometric characteristic information comprises the name, the pressure grade, the drift diameter, the material, a pipeline control point, the processing requirement and the like of the pipeline. The information of the name, the outer diameter, the wall thickness, the material, the pressure grade and the like of the pipeline is irrelevant to the trend of the pipeline, belongs to general basic attributes and can be generated in advance through a structured data table. The length, the bending angle, the bending radius and the processing requirement of the pipeline are defined by a user according to the design requirement of a pipeline system, and are defined and generated in the pipeline design process.
Meanwhile, the geometric characteristic and the non-geometric characteristic information of the pipeline can be identified by a computer, and are calculated and analyzed.
And S2, creating an inspection rule based on the structured pipeline data, wherein the inspection rule comprises design basis inspection, material selection inspection, design matching inspection, machinability inspection and the like.
As shown in fig. 3, the inspection rule based on the structured pipeline data reads the relevant attributes of the pipeline through a development program, and according to the design requirements of the pipeline, the inspection rule which can be executed by a computer is formulated to perform rapid analysis and judgment, so as to automatically inspect the quality problem of the pipeline model. (for example, the quality problems of the bent pipe such as insufficient length of the bent pipe clamp, unsatisfactory turning radius of the bent pipe and incorrect angle of the bent pipe)
And S3, traversing and reading the structured ship pipeline model data, analyzing the pipeline model related data according to the inspection rule, carrying out the quality inspection of the ship bending model, and generating a tabular inspection report.
As shown in fig. 4, the traversal reading of the structured ship pipeline model data at least includes the following information: the coordinate value of the control point of the pipeline model, the turning radius, the bending angle and the length of the straight pipe.
As shown in fig. 5, the analyzing the data related to the pipeline model according to the checking rule includes the following steps:
s31, checking the length of the bent pipe clamp, and checking whether the length of the straight pipe section before bending the pipe meets the requirement of the pipe bender;
the method specifically comprises the following steps: and judging whether the turning angle of the control point is 0 or not by identifying and checking the pipeline control point. If the pipe control point bend angle is not 0, the control point is the elbow control point. And judging whether the front clamping length of the bent pipe meets the requirement or not by calculating the distance between the bent pipe control point and the previous control point. If the distance is greater than the clamping position requirement of the pipe bender, the clamping length of the bent pipe meets the design requirement. If the clamping length of a certain type of pipe bender is required to be H, judging whether the length H of the straight pipe section in front of the control point is more than or equal to H or not, if not, judging that the length H of the straight pipe section in front of the control point is not more than H. If the requirement is not met, recording the unique code of the pipeline, the serial number of the corresponding control point, the length H of the straight pipe section and the clamp length H of the pipe bender, and recording that the problem is that the clamp length of the pipe bender does not meet the requirement.
S32, checking the angle of the bent pipe, and checking whether the angle of the bent pipe meets the design requirement and the processing requirement;
the method specifically comprises the following steps: and judging whether the turning angle of the control point is 0 or not by identifying and checking the pipeline control point. If the pipe control point bend angle is not 0, the control point is the elbow control point. The angle of the bent pipe is judged whether to meet the design requirements or not by reading the angle of the bent pipe at the control point of the bent pipe and combining the attributes of the system, the material, the pressure grade and the like of the pipeline. If the angle requirement of the bent pipe of a certain pipeline system is more than or equal to 90 degrees and the bending angle is a multiple of 15 degrees, whether the bending angle at the control point meets the requirement or not is checked. If the requirement is not met, recording the unique code of the pipeline, the serial number of the corresponding control point, the angle of the bent pipe and the corresponding requirement, and recording that the problem is that the angle of the bent pipe does not meet the requirement.
And S33, checking the radius of the bent pipe, and checking whether the radius of the bent pipe meets the design requirement and the processing requirement.
The method specifically comprises the following steps: and judging whether the turning angle of the control point is 0 or not by identifying and checking the pipeline control point. If the pipe control point bend angle is not 0, the control point is the elbow control point. And judging whether the turning radius value of the elbow meets the design requirement or not by reading the turning radius at the control point of the elbow and combining the attributes such as the system, the material and the outer diameter of the pipeline. If the radius of the elbow of a certain pipeline system is required to be twice of the outer diameter, whether the turning radius at the control point is equal to the twice of the outer diameter is checked. If the requirement is not met, recording the unique code of the pipeline, the serial number of the corresponding control point, the radius of the bent pipe and the outer diameter of the pipeline, and recording that the problem is that the radius of the bent pipe does not meet the requirement.
Further, the tabular inspection report includes at least the following columns: serial number, pipe name, system to which it belongs, person responsible, organization and whether there is a quality issue of interest.
And S4, rapidly positioning the bent pipe with problems through the tabulated inspection report, so that designers can rapidly complete the modification of related problems.
Further, as shown in fig. 6, before executing the pipeline model quality inspection method, a quality inspection tool installation deployment is executed, where the quality inspection tool installation deployment includes the following steps:
1) Storing a pipeline model checking tool kit generated by the checking rule in a design platform;
2) Establishing a mapping relation between the link and a quality inspection tool package based on the calling link of the design platform inspection tool package, so that the user can use the method conveniently and a developer can modify and update the method conveniently;
3) The user uses the inspection tool by invoking the path.
In practical use, the method for checking the quality of the ship elbow model can be integrated into a three-dimensional design software platform by performing program development on design requirements and check rules of the elbow, and based on the three-dimensional design software platform, the method for checking the quality of the ship elbow model specifically comprises the following steps:
1) Logging in a three-dimensional design software platform;
2) Opening a pipeline model to be checked;
3) Executing a pipeline model quality inspection command;
4) Traversing and reading the model information, and generating a checking report after analyzing the relevant information according to a checking rule;
5) Defining the storage position and name of the inspection report through path selection;
6) Exporting the generated tabular inspection report;
7) And (6) ending.
In summary, the method for inspecting the quality of the ship bending pipe model based on the digitization rules comprises the following steps:
1. according to the method, the inspection of the bent pipe is carried out based on the ship pipeline model, so that problems can be found and solved in time in the early stage of design, the design efficiency is improved, and the rework rate is reduced;
2. the ship pipeline model has good structural characteristics, can be identified by a computer and automatically checked by a development program, and can improve the checking efficiency and reduce the false checking rate compared with the traditional manual checking mode;
3. by carrying out program development on the design requirements and the inspection rules of the bent pipe, the integrity and the correctness of pipeline inspection can be improved, the inspection standard is unified, and the design quality of the ship is improved.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A ship elbow model quality inspection method based on digital rules is characterized by comprising the following steps:
s1, acquiring structured ship pipeline model data based on three-dimensional design parameters of a ship product;
s2, establishing a checking rule based on the structured pipeline data;
s3, traversing and reading the data of the structured ship pipeline model, analyzing the relevant data of the pipeline model according to the inspection rule, carrying out the quality inspection of the ship pipe bending model, and generating a tabular inspection report;
and S4, rapidly positioning the bent pipe with problems through the tabulated inspection report, and rapidly completing modification of related problems by designers.
2. The method for inspecting the quality of the ship pipe bending model based on the digitization rules as claimed in claim 1, wherein in step S1, the structured ship pipeline model data includes geometric feature information and non-geometric feature information, and the geometric feature information includes the length, the outer diameter, the wall thickness, the bending angle and the bending radius of the pipeline; the non-geometric characteristic information comprises the name of the pipeline, the pressure grade, the drift diameter, the material, the pipeline control point and the processing requirement.
3. The method for inspecting the quality of the ship pipe bending model based on the digitization rule as claimed in claim 1, wherein in step S2, the step of creating the inspection rule based on the structured pipeline data comprises the following specific steps: the related attributes of the pipeline are read through a development program, and a check rule which can be executed by a computer is formulated according to the design requirement of the pipeline to carry out rapid analysis and judgment, so that the quality problem of the pipeline model is automatically checked.
4. The method for inspecting the quality of the ship pipe bending model based on the digitization rules as claimed in claim 3, wherein the inspection rules specifically include design basis inspection, material selection inspection, design matching inspection and workability inspection.
5. The method for inspecting the quality of the ship pipe bending model based on the digitization rule as claimed in claim 1, wherein in the step S3, the analyzing the relevant data of the pipeline model according to the inspection rule comprises the following steps:
s31, checking the length of the bent pipe clamp, and checking whether the length of the straight pipe section before bending the pipe meets the requirement of the pipe bender;
s32, checking the angle of the bent pipe, and checking whether the angle of the bent pipe meets the design requirement and the processing requirement;
and S33, checking the radius of the bent pipe, and checking whether the radius of the bent pipe meets the design requirement and the processing requirement.
6. The method for inspecting the quality of the ship elbow model based on the digital rule as claimed in claim 5, wherein in the step S31, the inspection of the elbow clamp length comprises the following specific steps: judging whether the front clamping length of the bent pipe is greater than the clamping position requirement of the pipe bending machine or not by calculating the distance between the bent pipe control point and the previous bent pipe control point, and if so, enabling the clamping length of the bent pipe to meet the requirement;
the elbow control point is specifically a pipeline control point with a turning angle different from 0.
7. The method for inspecting the quality of the ship elbow model based on the digital rule according to claim 5, wherein in the step S32, the elbow angle inspection specifically comprises the following steps: the angle of the bent pipe at the control point of the bent pipe is read, whether the angle of the bent pipe meets the design requirements or not is judged according to the system, the material and the pressure grade of the pipeline, and if yes, the angle of the bent pipe meets the requirements.
8. The method for inspecting the quality of the ship elbow model based on the digital rule according to claim 5, wherein in the step S33, the elbow radius is inspected, and the method comprises the following specific steps: whether the turning radius value of the elbow meets the design requirement or not is judged by reading the turning radius at the control point of the elbow and combining the system, the material and the outer diameter of the pipeline, and if so, the radius of the elbow meets the requirement.
9. The method for inspecting the bending model quality of the ship based on the digitization rules of claim 1, wherein in step S3, the tabular inspection report comprises the following columns: serial number, pipe name, system to which it belongs, person responsible, organization, and whether there is a quality issue associated.
10. The method for inspecting the quality of the ship pipe bending model based on the digitization rules as claimed in claim 1, wherein in step S3, before the quality inspection of the ship pipe bending model is carried out, quality inspection tool installation and deployment are performed, and the quality inspection tool installation and deployment include the following steps:
s01, storing a pipeline model checking tool kit generated by the checking rule in a design platform;
s02, establishing a mapping relation between the link and a quality inspection tool package based on the calling link of the design platform inspection tool package, and facilitating the use of a user and the modification and update of a developer;
and S03, using the checking tool by calling the path by the user.
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