Large-scale airplane digital-analog automatic assembly method

Abstract

The invention discloses a large-scale aircraft digital-analog automatic assembly method, which belongs to the technical field of aircraft manufacturing, and comprises the following steps: S1, defining EBOM data, S1, defining aircraft digital-analog data, S1, establishing a hierarchical relationship between the EBOM data and aircraft digital-analog, and S1, carrying out aircraft digital-analog automatic assembly. According to the large-scale airplane digital-analog automatic assembly method and automatic assembly, the production speed can be greatly increased through digital-analog automatic assembly, and compared with traditional manual assembly and automatic assembly, more assembly tasks can be completed within shorter time, so that the overall production efficiency and persistent data are improved, and the production efficiency is improved through persistent EBOM data and airplane digital-analog data. According to the method and the system, the traceability and the consistency of data are ensured, a coordinate system is set, and the set coordinate system provides a unified and accurate space reference, so that the accuracy and the consistency of assembly can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of aircraft manufacturing, and in particular to a large-scale aircraft digital model automated assembly method. Background Art

[0002] EBOM data is a list used in the product design phase that contains the product's design, assembly, and material information. It describes the product's engineering structure, including individual components, subassemblies, and the relationships between them. This list is very important for the product's manufacturing and assembly process, especially in the field of aircraft manufacturing.

[0003] In the upstream and downstream processes of aircraft manufacturing, EBOM data usually includes various detailed information in the design stage, such as the name, specification, size, material and related design drawings of parts. This information is critical throughout the entire production process, from raw material procurement to assembly and final delivery.

[0004] Aircraft digital models are model files generated during the product design phase. They contain digital information about the aircraft's three-dimensional model, including the aircraft's geometry, structure, and other related information. In aircraft design and manufacturing, these files play a key role in visual design, engineering analysis, virtual testing, and production.

[0005] As aircraft manufacturing processes become increasingly complex, these complexities increase the closeness and interdependence between parts. Manual assembly is difficult to meet the high requirements for precision and integrity, which may lead to inaccurate alignment and assembly problems between components. Traditional manual assembly is difficult to flexibly respond to such highly customized requirements, which may require long-term reconfiguration and adjustment, and require a lot of labor costs. Therefore, an efficient and accurate automated assembly method and system is needed to improve production efficiency and ensure the quality of aircraft digital model assembly. Summary of the invention

[0006] The invention provided by the present invention aims to provide a large-scale aircraft digital model automated assembly method. Through the large-scale aircraft digital model automated assembly method of the present invention, the large-scale aircraft digital model automated assembly method, automated assembly, digital model automated assembly can greatly speed up the production speed. Compared with traditional manual assembly, automated assembly can complete more assembly tasks in a shorter time, thereby improving overall production efficiency, persisting data, and ensuring data traceability and consistency by persisting EBOM data and aircraft digital model data, setting a coordinate system, and setting a coordinate system provides a unified and accurate spatial reference, which helps to improve the accuracy and consistency of assembly.

[0007] In order to achieve the above effects, the present invention provides the following technical solution: a large-scale aircraft digital model automated assembly method, comprising the following steps:

[0008] S1. Define EBOM data.

[0009] S2. Define aircraft digital model data.

[0010] S3. Establish the hierarchical relationship between EBOM data and aircraft digital model.

[0011] S4. Carry out automated assembly of aircraft digital models.

[0012] Further, according to the operation steps in S1,

[0013] S101: Collect aircraft design information.

[0014] S102: Aircraft disassembly and identification of components and parts.

[0015] S103: Building a tree-like hierarchical structure of component data.

[0016] S104: Create and persist EBOM data sheets for components and parts.

[0017] S105: Establish a version control mechanism for EBOM data.

[0018] Further, according to the operation steps in S2,

[0019] S201: Digital modeling tool selection.

[0020] S202: Define a digital three-dimensional model of the aircraft.

[0021] S203: Assign aircraft digital model materials and properties.

[0022] S204: Setting the aircraft digital model coordinate system.

[0023] S205: Add aircraft digital model connections and constraints.

[0024] Further, according to the operation steps in S3,

[0025] S301: Comparison of EBOM data and aircraft digital model structure.

[0026] S302: Define the mapping relationship between components and parts.

[0027] S303: Persist the hierarchical relationship between EBOM data and aircraft digital model.

[0028] S304: Continuously update the hierarchical relationship between EBOM data and aircraft digital models.

[0029] Further, according to the operation steps in S4,

[0030] S401: Preparation of EBOM data and aircraft digital model data.

[0031] S402: Planning an assembly path.

[0032] S403: Automated assembly of aircraft digital models.

[0033] S404: Automatic assembly exception handling.

[0034] S405: Automatically assemble log tracking.

[0035] Further, according to the operation steps in S101, the design information includes design drawings, technical specifications and engineering calculations.

[0036] Further, according to the operation steps in S102, the identification components and parts are assigned unique identifiers, and the identifiers include names, models and part numbers.

[0037] Further, according to the operation steps in S103, the relationship and connection mode between each of the components include the assembly sequence, connection points and relative position information of the components.

[0038] Further, according to the operation steps in 201, the digital modeling tools include CATIA, SolidWorks and AutoCAD.

[0039] Further, according to the operation steps in S203, the attributes include material attributes, physical attributes and manufacturing attributes.

[0040] The present invention provides a large-scale automated assembly method for aircraft digital models, which has the following beneficial effects: the large-scale automated assembly method for aircraft digital models, automated assembly, automated assembly of digital models can greatly speed up the production speed. Compared with traditional manual assembly, automated assembly can complete more assembly tasks in a shorter time, thereby improving overall production efficiency, persisting data, and ensuring data traceability and consistency by persisting EBOM data and aircraft digital model data. Setting a coordinate system provides a unified and precise spatial reference, which helps to improve the accuracy and consistency of assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 The figure is a flow chart of the large-scale automated assembly method of aircraft digital models of the present invention. DETAILED DESCRIPTION

[0042] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0043] Example 1

[0044] See also Figure 1 , a large-scale aircraft digital model automated assembly method, comprising the following steps:

[0045] Step 1: Define EBOM data. The specific steps are as follows: Step 101: Collect all information related to aircraft design, including design drawings, technical specifications, engineering calculations, etc. This information is the basis for defining EBOM data. Step 102: Decompose the aircraft under design, identify each component and part, and assign a unique identifier to each part, usually including name, model, part number, etc. Step 103: Construct a tree-like hierarchical structure for the component data obtained in step 102 to determine the relationship and connection method between each component, including assembly order, connection points, relative positions and other information of the components. This step helps to establish the hierarchical structure of EBOM data. Step 104: Develop an EBO containing all components and parts. M data table, persist the structured data established in step 103, step 105: establish a version control mechanism for EBOM data to ensure that changes can be tracked and managed when the design changes, which helps to maintain the accuracy and real-time nature of EBOM data, step 2: define aircraft digital model data, the specific steps are as follows: step 201: select digital model tools, mainly CAD (computer-aided design) software, easy to use for modeling, supported CAD software include CATIA, SolidWorks, AutoCAD, etc., step 202: define the corresponding three-dimensional model for each component in the EBOM data, step 203: assign correct material properties, physical properties and manufacturing properties to each component, including weight, density, strength, etc., step 204: set the coordinate system in the aircraft digital model to ensure that the position and direction of the components are consistent with the actual design, define the positioning points, which helps to correctly assemble the components into the entire aircraft structure, step 205: add connections and constraints in the digital model to ensure that each component is correctly connected according to the actual design requirements, including bolts, welding, Fixed point and other connection methods, Step 3: Establish the hierarchical relationship between EBOM data and aircraft digital model, the specific steps are as follows: Step 301: Compare the structure of EBOM data and aircraft digital model to ensure that their hierarchical structures match, Step 302: According to the corresponding relationship between EBOM data and digital model, define the mapping relationship between each component and part to ensure the linkage of subsequent three-dimensional rendering data, Step 303: Persist the hierarchical relationship between EBOM data and aircraft digital model to facilitate subsequent tracking and use, Step 304: Continuously update the hierarchical relationship between EBOM data and aircraft digital model to ensure the real-time nature of the data to prevent inconsistencies in design and automated assembly, Step 4: Perform automated assembly of aircraft digital model, the specific steps are as follows: Step 401: Prepare EBOM data and aircraft digital model data to facilitate subsequent data analysis, conversion, processing, etc. to meet the requirements of this system, Step 402: According to the hierarchical relationship of aircraft digital model and the hierarchical relationship of EBOM data, plan the assembly path in this system, and the assembly path creates corresponding multi-level folders according to the hierarchical relationship,Step 403: Use this system to automatically assemble the aircraft digital model, including assembly steps such as positioning, connecting, tightening bolts, and welding of parts. Step 404: During the automated assembly process, an exception handling mechanism is implemented to deal with possible failures or abnormal situations. For example, if the assembly fails, an automatic retry mechanism is added to the corresponding failure. Step 405: During the automated assembly process, log recording is implemented to facilitate real-time tracking of assembly time, current assembly stage, assembly results, etc.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large-scale automated assembly method for aircraft digital models, characterized in that: The following steps are involved: S1. Define EBOM data; S2. Define aircraft digital model data; S3. Establish the hierarchical relationship between EBOM data and aircraft digital model; S4. Carry out automated assembly of aircraft digital models.

2. The large-scale aircraft digital model automated assembly method according to claim 1, characterized in that: The method comprises the following steps: according to the operation steps in S1, S101: Collect aircraft design information; S102: Aircraft disassembly and identification of components and parts; S103: Building a tree-like hierarchical structure of component data; S104: Prepare and persist EBOM data sheets for components and parts; S105: Establish a version control mechanism for EBOM data.

3. The large-scale aircraft digital model automated assembly method according to claim 1, characterized in that: The method comprises the following steps: according to the operation steps in S2, S201: Digital modeling tool selection; S202: define a three-dimensional model of the aircraft digital model; S203: Assigning materials and properties of aircraft digital models; S204: Setting the aircraft digital model coordinate system; S205: Add aircraft digital model connections and constraints.

4. The large-scale aircraft digital model automated assembly method according to claim 1, characterized in that: The following steps are involved: According to the operation steps in S3, S301: Comparison of EBOM data and aircraft digital model structure; S302: define the mapping relationship between components and parts; S303: Persistent EBOM data and aircraft digital model hierarchical relationship; S304: Continuously update the hierarchical relationship between EBOM data and aircraft digital models.

5. The large-scale aircraft digital model automated assembly method according to claim 1, characterized in that: The following steps are involved: According to the operation steps in S4, S401: Preparation of EBOM data and aircraft digital model data; S402: planning an assembly path; S403: Automated assembly of aircraft digital models; S404: Automatic assembly exception handling; S405: Automatically assemble log tracking.

6. The large-scale aircraft digital model automated assembly method according to claim 2, characterized in that: The following steps are involved: According to the operation steps in S101, the design information includes design drawings, technical specifications and engineering calculations.

7. The large-scale aircraft digital model automated assembly method according to claim 2, characterized in that: The following steps are involved: According to the operation steps in S102, the identification components and parts are assigned unique identifiers, and the identifiers include names, models and part numbers.

8. The large-scale aircraft digital model automated assembly method according to claim 2, characterized in that: The following steps are involved: According to the operation steps in S103, the relationship and connection mode between each of the components include the assembly sequence, connection points and relative position information of the components.

9. The large-scale aircraft digital model automated assembly method according to claim 3, characterized in that: The following steps are involved: According to the operation steps in 201, the digital modeling tools include CATIA, SolidWorks and AutoCAD.

10. The large-scale aircraft digital model automated assembly method according to claim 3, characterized in that: The following steps are involved: According to the operation steps in S203, the attributes include material attributes, physical attributes and manufacturing attributes.

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