Aircraft base-level repair design method

Abstract

An aircraft base-level repair design method comprises the steps that base-level repair overall work scheme planning argumentation is carried out in an argumentation project establishment stage; in the engineering development stage, a base-level repair work plan and scheme are made, design requirements for efficient base-level repair are put forward, a typical repair method of a new and special structure / system is demonstrated, and stage check of the design requirements is carried out; in the design, trial-manufacture and identification stages, base-level repair test requirements are put forward, base-level repair technical tests are carried out, and design requirement stage verification is carried out; in the train installation shaping stage, base-level repair outline analysis is carried out, a base-level repair outline is formulated, design requirement stage check is carried out, and a base-level repair technical scheme is compiled; in the batch production and service guarantee stage, base-level repair capability construction and task analysis are carried out, base-level repair field technology guarantee activities are carried out, base-level repair technology work is summarized, and a base-level repair outline and repair technology requirements are continuously optimized.

Description

Technical Field

[0001] The present application belongs to the technical field of aircraft base-level repair design, and specifically relates to an aircraft base-level repair design method. Background Art

[0002] According to the previous division of labor for aircraft base-level maintenance tasks, the base-level maintenance work of aircraft is fully responsible for the base-level maintenance work of aircraft. The base-level maintenance unit allocates relevant design data from the aircraft design department, compiles relevant technical documents for base-level maintenance, and carries out maintenance work.

[0003] With the increasing complexity of aircraft, it is difficult to effectively guarantee the quality of aircraft base-level repairs by base-level repair units alone. In order to ensure the efficiency and safety of aircraft use, the aircraft design department is required to take charge of the preparation of aircraft base-level repair outlines, technical plans, technical requirements, repair standards, etc., plan and implement the aircraft's full life cycle base-level repair design work, and scientifically and rationally guide the aircraft base-level repair design work. In view of this, this application is proposed. Summary of the invention

[0004] The purpose of this application is to provide an aircraft base-level repair design method, so as to scientifically and rationally plan the aircraft base-level repair design work throughout its life cycle, thereby effectively improving the efficiency of aircraft base-level repair and shortening the aircraft base-level repair time and cost.

[0005] The technical solution of this application is:

[0006] An aircraft base repair design method, comprising:

[0007] During the project demonstration phase, the overall work plan for base-level repairs shall be planned and demonstrated;

[0008] During the engineering development phase, base-level repair work plans and programs are formulated, design requirements for efficient base-level repair are proposed, research and development of typical repair methods for new and special structures / systems are carried out, structural / system tolerance analysis and base-level repair test demonstration are carried out, typical repair methods for new and special structures / systems are demonstrated, and periodic verification of base-level repair design requirements is carried out;

[0009] During the design, trial production and appraisal phases, base-level repair test requirements are proposed, base-level repair technology tests are conducted, and periodic verification of base-level repair design requirements is performed;

[0010] During the installation and finalization stage, base-level repair program analysis is carried out, base-level repair program is formulated, repair technical requirements are compiled, and periodic verification of base-level repair design requirements and the compilation of base-level repair technical plans are carried out;

[0011] During the batch production and service support stage, we will carry out base-level repair capability building and task analysis, put forward suggestions for base-level repair capabilities, conduct on-site technical support activities for base-level repairs, carry out base-level repair technical activities and status management, summarize base-level repair technical work, and continuously optimize the base-level repair program and repair technical requirements.

[0012] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, planning and demonstration of the base-level repair work plan is carried out in the project demonstration stage, and the maintenance strategy, base-level repair plan and base-level repair work plan of the model are demonstrated in detail.

[0013] According to at least one embodiment of the present application, the above-mentioned aircraft base-level repair design method, during the engineering development stage, includes:

[0014] S201. Develop a base-level repair work plan;

[0015] S202. Develop a base-level repair work plan;

[0016] S203. Develop design requirements for base-level repairs;

[0017] S204. Conduct demonstration of typical repair methods for new special structures / systems;

[0018] S205. Conduct research and tackle key problems in typical repair methods for new and special structures / systems;

[0019] S206. Conduct structure / system tolerance analysis;

[0020] S207. Carry out base-level repair test demonstration;

[0021] S208. Conduct periodic verification of base-level repair design requirements.

[0022] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, in S201, base-level repair work items at each development stage are planned, as well as implementation requirements, progress, and responsibilities;

[0023] In S202, the model base-level repair work plan, work content at different development stages, and work project outputs are determined;

[0024] In S203, the design requirements for aircraft for base-level repair are determined based on the model capability requirements and relevant standard requirements;

[0025] In S204, typical repair methods for new and special structures / systems for the model are identified and clarified in the preliminary design stage, and demonstration of typical repair methods for new and special structures / systems is carried out in the detailed design stage.

[0026] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, in S205, research and development of typical repair methods for new special structures / systems are carried out to reduce the base-level repair risks brought by new special structures / systems;

[0027] In S206, during the detailed design phase, the error accumulation during the assembly process is analyzed, and the assembly dimension chain is established and solved to ensure that after the aircraft base-level repair and assembly, the structural and system tolerances do not affect the normal function of the aircraft;

[0028] In S207, based on the research and development of typical repair methods for new special structures / systems, relevant tests are conducted on base-level repair planning of aircraft structures and systems to verify repair methods and repair technologies;

[0029] In S208, the compliance of the design requirements for base-level repairs is verified and confirmed, and design issues that affect base-level repairs of aircraft structures, systems, and airborne equipment are identified and design improvements are implemented.

[0030] According to at least one embodiment of the present application, the above-mentioned aircraft base-level repair design method, during the design, trial production and evaluation stages, includes:

[0031] S301. Prepare base-level repair test requirements;

[0032] S302. Conduct base-level repair and maintenance technology tests;

[0033] S303. Develop base-level repair program analysis requirements;

[0034] S304. Conduct periodic verification of base-level repair design requirements.

[0035] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, in S301, based on the base-level repair test demonstration, test requirements are proposed for the test contents of the structure and system planning, the test purpose, test object, test method, test equipment and test organization are determined, and the test workflow and implementation requirements are clarified;

[0036] In S302, on the basis of completing the research and tackling of typical repair methods for new special structures / systems, relevant tests are conducted on base-level repair planning of aircraft structures and systems to verify the repair methods and repair technologies;

[0037] In S303, the scope, analysis procedures and methods, preparation format, preparation content and submission form of the depot-level repair program are specified;

[0038] In S304, the compliance of the design requirements for base-level repairs is verified and confirmed, and design issues that affect base-level repairs of aircraft structures, systems, and airborne equipment are identified and design improvements are implemented.

[0039] According to at least one embodiment of the present application, the above-mentioned aircraft base-level repair design method, in the installation and finalization stage, includes:

[0040] S401. Conduct base-level repair program analysis;

[0041] S402. Develop a base-level repair program;

[0042] S403. Guidelines for the preparation of technical requirements for structural repairs;

[0043] S404. Guidelines for the preparation of system repair technical requirements;

[0044] S405. Guidelines for the preparation of technical requirements for the repair of airborne equipment;

[0045] S406. Prepare technical requirements for structural repairs;

[0046] S407. Prepare technical requirements for system repair;

[0047] S408. Prepare technical requirements for airborne equipment repair;

[0048] S409. Conduct periodic verification of base-level repair design requirements;

[0049] S410. Prepare base-level repair technical plan.

[0050] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, in S401, according to the base-level repair outline analysis requirements, the base-level repair items are analyzed and summarized as input for compiling the base-level repair outline.

[0051] In S402, the depot-level repair program analysis report is used as the design input to complete the summary of aircraft depot-level repair items;

[0052] In S403, the structural base-level repair process and the technical requirements for the corresponding base-level repair work are clarified;

[0053] In S404, the system depot-level repair process and the technical requirements for the corresponding depot-level repair work are clarified;

[0054] In S405, the base-level repair process for finished airborne products and the technical requirements for the corresponding base-level repair work are clearly defined.

[0055] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, in S406, the technical performance and requirements that must be implemented in the base-level repair of the structure and the deviations allowed after the repair are determined and specified;

[0056] In S407, determine the technical performance and requirements that must be implemented during the system depot repair;

[0057] In S408, determine the technical performance and requirements that must be implemented during base-level repair of airborne equipment;

[0058] In S409, the compliance of the design requirements for base-level repairs is verified and confirmed, and design problems that affect base-level repairs of aircraft structures, systems, and airborne equipment are identified and design improvements are implemented;

[0059] In S410, the base-level repair technical plan is the overall maintenance technical plan, including the source of the task, overview, and repair content. It is compiled based on the base-level repair outline, base-level repair technical requirements, manufacturing technical requirements and other information provided by the design unit. It is the top-level maintenance document of the base-level repair unit.

[0060] According to at least one embodiment of the present application, the above-mentioned aircraft base-level repair design method, in the batch production and service guarantee stage, includes:

[0061] S501, conduct base-level repair capability building and mission analysis;

[0062] S502. Conduct periodic verification of base-level repair design requirements;

[0063] S503. Prepare base-level repair implementation plan;

[0064] S504. Prepare base-level repair technical requirements;

[0065] S05. Prepare base-level repair process plan;

[0066] S506. Prepare repair process specifications;

[0067] S507, write maintenance work card;

[0068] S508. Prepare supporting list;

[0069] S509. Prepare the base-level repair quality assurance program;

[0070] S510, implement base-level repair activities;

[0071] S511. Carry out base-level repair technical activities and status control;

[0072] S512, collect, analyze and improve the repair information at the base level;

[0073] S513. Prepare a summary of base-level repair technical work;

[0074] S514, carry out base-level repair and inspection flight assessment support;

[0075] S515. Continuously optimize the base-level repair program and repair technical requirements.

[0076] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, in S501, suggestions and requirements are made for the base-level repair capabilities of the base-level repair unit, including the hardware conditions, manpower, and equipment required for the base-level repair, and all resources required for the base-level repair task are analyzed;

[0077] In S502, the compliance of the design requirements for base-level repair is verified and confirmed, and design problems that affect the base-level repair of aircraft structures, systems, and airborne equipment are found and design improvements are implemented;

[0078] In S503, the base-level repair implementation plan is compiled based on the trial repair technical plan and design documents, including the specific items, methods, testing, and quality assurance of the base-level repair;

[0079] In S504, the base-level repair technical conditions are converted from the manufacturing technical conditions provided by the design unit, targeting the aircraft structure, system, airborne finished product, hole making, repair, assembly, and testing;

[0080] In S05, the base-level repair process plan includes various processes used in the base-level repair process and specific process plans.

[0081] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, in S506, the aircraft repair process specification includes each maintenance step of the specific structure and system, and introduces the production process and content of aircraft parts, systems, and airborne finished products;

[0082] In S507, the maintenance work card breaks down the repair process specification into cards;

[0083] In S508, the supporting list is used to assist other technical documents, including the technical notification list, the time control requirements list, the replacement parts list, the outsourcing list, and the risk control list;

[0084] In S509, the depot repair quality assurance program specifies the quality assurance requirements for the aircraft development process;

[0085] In S510, base-level repair activities include aircraft reception and fault inspection, disassembly and cleaning, repair, assembly, testing / debugging, painting and spraying markings, leveling and weighing, and test flight;

[0086] According to at least one embodiment of the present application, in the above-mentioned aircraft base-level repair design method, in S511, the technical activities and status during the base-level repair are managed and controlled to ensure that the processing of the base-level repair documents during the base-level repair technical activities meets the model status requirements;

[0087] In S512, the depot repair data of aircraft during the depot repair phase is collected, analyzed and processed to provide information for evaluating and improving aircraft depot repair work and the demonstration and development of new equipment;

[0088] In S513, check whether the specified depot-level repair work items are completed as required, and summarize the problems encountered during the depot-level repair process and their solutions;

[0089] In S514, check whether the technical problems encountered during base-level repairs have been resolved, whether the problems have been resolved, and whether the remaining problems affect the safety of aircraft inspections;

[0090] In S515, based on the collected professional base-level repair information and combined with the actual work experience of the base-level repair units, the base-level repair program and repair technical requirements are revised and improved.

[0091] This application has at least the following beneficial technical effects:

[0092] The invention discloses an aircraft base-level repair design method, which is used to scientifically and rationally plan the aircraft base-level repair design work throughout its life cycle, thereby effectively improving the aircraft base-level repair efficiency and shortening the aircraft base-level repair time and cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0093] Figure 1 is a schematic diagram of an aircraft base-level repair design method provided in an embodiment of the present application;

[0094] Figure 2 It is a schematic diagram of the aircraft base-level repair design method provided by the embodiment of the present application in the engineering development stage;

[0095] Figure 3 It is a schematic diagram of the aircraft base-level repair design method provided by the embodiment of the present application in the design, trial production and evaluation stages;

[0096] Figure 4 It is a schematic diagram of the aircraft base-level repair design method provided by the embodiment of the present application at the installation and finalization stage;

[0097] Figure 5 It is a schematic diagram of the aircraft base-level repair design method provided in the embodiment of the present application during the batch production and service guarantee stage.

[0098] In order to better illustrate the present embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. In addition, the drawings are only used for illustrative purposes and should not be construed as limitations on the present application. DETAILED DESCRIPTION

[0099] In order to make the technical solution and advantages of the present application clearer, the technical solution of the present application will be described in further detail in detail and in detail with reference to the accompanying drawings. It can be understood that the specific embodiments described here are only partial embodiments of the present application, which are only used to explain the present application, not to limit the present application. It should be noted that, for the convenience of description, only the parts related to the present application are shown in the accompanying drawings, and other related parts can refer to the general design.

[0100] In addition, unless otherwise defined, the technical terms or scientific terms used in the description of this application shall have the usual meanings understood by those of ordinary skill in the art to which this application belongs. The words used in the description of this application to indicate orientation are only used to indicate relative directions or positional relationships. When the absolute position of the described object changes, its relative positional relationship may also change accordingly. The word "include" used in the description of this application indicates that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, but does not exclude other elements or objects.

[0101] In addition, it should be noted that, unless otherwise clearly specified and limited, the words "installation", "connection" and similar terms used in the description of this application should be understood in a broad sense. For example, the connection can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Technical personnel in the field can understand its specific meaning in this application according to the specific circumstances.

[0102] A method for designing aircraft base-level repairs, such as Figure 1 shown.

[0103] During the project demonstration stage, the overall planning and demonstration of the base-level repair work plan will be carried out.

[0104] Carry out planning and demonstration work on the base-level repair work plan, and demonstrate in detail the model's maintenance strategy, base-level repair plan and base-level repair work plan, etc.

[0105] During the engineering development phase, base-level repair work plans and programs are formulated, design requirements for efficient base-level repair are proposed, research and development of typical repair methods for new and special structures / systems are carried out, structural / system tolerance analysis and base-level repair test demonstration are carried out, typical repair methods for new and special structures / systems are demonstrated, and periodic verification of base-level repair design requirements is carried out, such as Figure 2 As shown, the details are as follows:

[0106] S201. Develop a base-level repair work plan.

[0107] It is required to plan the base-level repair work items at each development stage, as well as the implementation requirements, progress, responsibilities, etc., which will serve as the basis for the base-level repair work.

[0108] S202. Develop a base-level repair work plan.

[0109] It is required to elaborate on the model base-level repair work plan, the work content at different development stages, and the output of the work project.

[0110] S203. Develop design requirements for base-level repairs.

[0111] It is required to determine the design requirements for aircraft base-level repairs based on model capability requirements and relevant standard requirements, which are used to constrain the design of aircraft structures, systems and airborne equipment to make subsequent base-level repairs more efficient and economical.

[0112] S204. Conduct demonstration on typical repair methods for new special structures / systems.

[0113] It is required to identify and clarify typical repair methods for new and special structures / systems for specific models in the preliminary design stage, and to carry out demonstration of typical repair methods for new and special structures / systems in the detailed design stage.

[0114] S205. Conduct research and tackle key problems in typical repair methods for new and special structures / systems.

[0115] It is required to carry out research and development on typical repair methods for new and special structures / systems based on the demonstration of typical repair methods for new and special structures / systems in various disciplines, so as to reduce the base-level repair risks brought by new and special structures / systems.

[0116] S206. Perform structure / system tolerance analysis.

[0117] It is required to analyze the error accumulation in the assembly process during the detailed design stage, establish and solve the assembly dimension chain, and ensure that the structural and system tolerances do not affect the normal function of the aircraft after the aircraft base-level repair and assembly.

[0118] S207. Conduct base-level repair test demonstration.

[0119] It is required to carry out relevant tests on the base-level repair planning of aircraft structures and systems, verify the repair methods and repair technologies, prepare for the subsequent base-level repairs of the model, and further reduce the maintenance risks of the new and special structures / systems of the model, based on the research and development of typical repair methods of new and special structures / systems.

[0120] S208. Conduct periodic verification of base-level repair design requirements.

[0121] It is required to verify and confirm the compliance of design requirements for base-level repairs, identify design issues that affect base-level repairs of aircraft structures, systems, and airborne equipment, and implement design improvements.

[0122] During the design, trial production and appraisal phases, base-level repair test requirements are proposed, base-level repair technology tests are carried out, and periodic verification of base-level repair design requirements is carried out, such as Figure 3 As shown, the details are as follows:

[0123] S301. Prepare base-level repair test requirements.

[0124] It is required to put forward test requirements for the test contents of structure and system planning according to the base-level repair test demonstration, determine the test purpose, test object, test method, test equipment and test organization, and clarify the test work flow and implementation requirements.

[0125] S302. Conduct base-level repair technology tests.

[0126] It is required that, based on the completion of the research and development of typical repair methods for new and special structures / systems, relevant tests be carried out on the base-level repair planning of aircraft structures and systems, the repair methods and repair technologies be verified, preparations be made for subsequent base-level repairs of models, and the maintenance risks of new and special structures / systems of models be reduced.

[0127] S303. Develop base-level repair program analysis requirements.

[0128] It is required to stipulate the preparation scope, analysis procedures and methods, preparation format, preparation content and submission form of the base-level repair program so that various disciplines can carry out base-level repair program analysis.

[0129] S304. Conduct periodic verification of base-level repair design requirements.

[0130] It is required to verify and confirm the compliance of design requirements for base-level repairs, identify design issues that affect base-level repairs of aircraft structures, systems, and airborne equipment, and implement design improvements.

[0131] During the installation and finalization stage, base-level repair program analysis is carried out, base-level repair program is formulated, repair technical requirements are compiled, and periodic verification of base-level repair design requirements is carried out, and base-level repair technical plans are compiled, such as Figure 4 As shown, the details are as follows:

[0132] S401. Conduct base-level repair program analysis.

[0133] It is required to analyze each professional base-level repair project according to the analysis requirements of the base-level repair program, and summarize each professional base-level repair project as input for the preparation of the base-level repair program.

[0134] S402. Develop a base-level repair program.

[0135] It is required to use the analysis reports of base-level repair programs of various specialties as design inputs to complete the summary of aircraft base-level repair projects.

[0136] S403. Prepare guidelines for writing technical requirements for structural repairs.

[0137] It is required to clarify the structural base-level repair process and the technical requirements for the corresponding base-level repair work, and to guide various structural disciplines in writing repair technical requirements.

[0138] S404. Prepare guidelines for writing technical requirements for system repairs.

[0139] It is required to clarify the system base-level repair process and the technical requirements of the corresponding base-level repair work, and guide various disciplines in the system to write repair technical requirements.

[0140] S405. Prepare guidelines for writing technical requirements for airborne equipment repairs.

[0141] It is required to clarify the base-level repair process for airborne finished products and the technical requirements for the corresponding base-level repair work, and to guide airborne finished product suppliers to prepare repair technical requirements.

[0142] S406. Prepare technical requirements for structural repairs.

[0143] It is required to provide repair technical solutions and requirements for each structural specialty. It is also required to determine the technical performance and requirements that must be implemented in the base-level repair of the structure, and the allowable deviations after the repair, so as to provide a basis for the base-level repair of the aircraft structure.

[0144] S407. Prepare technical requirements for system repairs.

[0145] It is required to provide repair technical solutions and requirements for each discipline of the system. It is also required to determine the technical performance and requirements that must be implemented in the base-level repair of the system, and provide a basis for the base-level repair of the aircraft system.

[0146] S408. Prepare technical requirements for airborne equipment repairs.

[0147] It is required to provide repair technical solutions and requirements for airborne equipment. It is required to determine the technical performance and requirements that must be implemented in the base-level repair of airborne equipment, and provide a basis for the base-level repair of aircraft airborne equipment.

[0148] S409. Conduct periodic verification of base-level repair design requirements.

[0149] It is required to verify and confirm the compliance of design requirements for base-level repairs, identify design issues that affect base-level repairs of aircraft structures, systems, and airborne equipment, and implement design improvements.

[0150] S410. Prepare base-level repair technical plan.

[0151] The aircraft base-level repair technical plan is the overall maintenance technical plan, including the source of the task, overview, repair content, etc.

[0152] The aircraft base-level repair technical plan is compiled by the base-level repair unit based on the base-level repair outline, base-level repair technical requirements, manufacturing technical requirements and other information provided by the design unit. It is the top-level maintenance document of the base-level repair unit.

[0153] During the batch production and service support phase, base-level repair capability construction and task analysis are carried out, suggestions are put forward for base-level repair capabilities, base-level repair on-site technical support activities are carried out, base-level repair technical activities and status management are carried out, base-level repair technical work is summarized, and base-level repair outlines and repair technical requirements are continuously optimized, such as Figure 5 As shown, the details are as follows:

[0154] S501. Conduct base-level repair capability building and mission analysis.

[0155] It is required to make suggestions and requirements on the base-level repair capabilities of base-level repair units, including the hardware conditions, manpower, equipment and other requirements needed for base-level repairs.

[0156] Analyze all resources required for base-level repair tasks for reference by base-level repair units.

[0157] S502. Conduct periodic verification of base-level repair design requirements.

[0158] It is required to verify and confirm the compliance of design requirements for base-level repairs, identify design issues that affect base-level repairs of aircraft structures, systems, and airborne equipment, and implement design improvements.

[0159] S503. Prepare base-level repair implementation plan.

[0160] The aircraft base-level repair implementation plan is prepared by the production department based on the trial repair technical plan and design documents, and includes the specific items, methods, testing, quality assurance, etc. of the base-level repair.

[0161] S504. Prepare base-level repair technical requirements.

[0162] Aircraft base-level repair technical conditions are converted from the manufacturing technical conditions provided by the design unit, and are aimed at various aspects of aircraft structure, system, airborne finished products, hole making, repair, assembly, and testing.

[0163] S05. Prepare base-level repair process plan.

[0164] The implementation plan for aircraft base-level repairs includes various processes used in the base-level repair process, as well as specific process plans, etc.

[0165] S506. Prepare repair process specifications.

[0166] The aircraft repair process regulations include every maintenance step of the specific structure and system. This part is completed by each workshop and introduces the production process and content of aircraft parts, systems, and airborne finished products. It is applicable to the production of parts, systems, and airborne finished products and is a guiding document for production.

[0167] S507. Prepare a maintenance work card.

[0168] The maintenance work card breaks down the repair process procedures into cards for workers to use.

[0169] S508. Prepare supporting inventory.

[0170] The supporting lists assist other technical documents completed previously. The supporting lists include technical notification lists, time control requirements lists, replacement parts lists, outsourcing lists, risk control lists, etc.

[0171] S509. Prepare a base-level repair quality assurance program.

[0172] The aircraft quality assurance program stipulates the quality assurance requirements for the aircraft development process and is a directive document guiding base-level repair units in carrying out quality work.

[0173] S510. Implement base-level repair activities.

[0174] Base-level maintenance activities include aircraft reception and fault inspection, disassembly and cleaning, repair, assembly, testing / debugging, painting and spraying markings, level measurement and weighing, and flight testing.

[0175] S511. Carry out base-level repair technical activities and status control.

[0176] It is required to control the technical activities and status during depot-level repair to ensure that the processing of depot-level repair documents during depot-level repair technical activities meets the model status requirements.

[0177] S512. Collect, analyze and improve base-level repair information.

[0178] It is required to collect, analyze and process the base-level repair data during the aircraft base-level repair phase to provide information for evaluating and improving aircraft base-level repair work and the demonstration and development of newly developed equipment.

[0179] S513. Prepare a summary of base-level repair technical work.

[0180] It is required to check whether the specified base-level repair work items have been completed as required, and to summarize the problems encountered and solutions during the base-level repair process for reference for subsequent base-level repairs of the model.

[0181] S514. Carry out base-level repair and inspection flight assessment support.

[0182] It is required to check whether the technical problems encountered in base-level repairs have been resolved, whether the problems have been reset to zero, and whether the remaining problems affect the safety of aircraft flight inspections.

[0183] S515. Continuously optimize the base-level repair program and repair technical requirements.

[0184] It is required to revise and improve the base-level repair program and repair technical requirements based on the collected professional base-level repair information and the actual work experience of the base-level repair units.

[0185] So far, the technical solution of the present application has been described in conjunction with the preferred embodiments shown in the accompanying drawings. Those skilled in the art should understand that the scope of protection of the present application is obviously not limited to these specific embodiments. Without departing from the principles of the present application, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the scope of protection of the present application.

Claims

1. An aircraft base level repair design method, characterized in that: include: During the project demonstration phase, the overall work plan for base-level repairs shall be planned and demonstrated; During the engineering development phase, base-level repair work plans and programs are formulated, design requirements for efficient base-level repair are proposed, research and development of typical repair methods for new and special structures / systems are carried out, structural / system tolerance analysis and base-level repair test demonstration are carried out, typical repair methods for new and special structures / systems are demonstrated, and periodic verification of base-level repair design requirements is carried out; During the design, trial production and appraisal phases, base-level repair test requirements are proposed, base-level repair technology tests are conducted, and periodic verification of base-level repair design requirements is performed; During the installation and finalization stage, base-level repair program analysis is carried out, base-level repair program is formulated, repair technical requirements are compiled, and periodic verification of base-level repair design requirements and the compilation of base-level repair technical plans are carried out; During the batch production and service support stage, we will carry out base-level repair capability building and task analysis, put forward suggestions for base-level repair capabilities, conduct on-site technical support activities for base-level repairs, carry out base-level repair technical activities and status management, summarize base-level repair technical work, and continuously optimize the base-level repair program and repair technical requirements.

2. The aircraft base level repair design method according to claim 1, characterized in that: During the project demonstration stage, the planning and demonstration work of the base-level repair work plan is carried out, and the model's maintenance strategy, base-level repair plan and base-level repair work plan are demonstrated in detail.

3. The aircraft base level repair design method according to claim 2, characterized in that: During the engineering development phase, it includes: S201. Develop a base-level repair work plan; S202. Develop a base-level repair work plan; S203. Develop design requirements for base-level repairs; S204. Conduct demonstration of typical repair methods for new special structures / systems; S205. Conduct research and tackle key problems in typical repair methods for new and special structures / systems; S206. Conduct structure / system tolerance analysis; S207. Carry out base-level repair test demonstration; S208. Conduct periodic verification of base-level repair design requirements.

4. The aircraft base level repair design method according to claim 3, characterized in that: In S201, the depot-level repair work items at each development stage are planned, as well as the implementation requirements, schedule, and responsibilities; In S202, the model base-level repair work plan, work content at different development stages, and work project outputs are determined; In S203, the design requirements for aircraft for base-level repair are determined based on the model capability requirements and relevant standard requirements; In S204, typical repair methods for new and special structures / systems for the model are identified and clarified in the preliminary design stage, and demonstration of typical repair methods for new and special structures / systems is carried out in the detailed design stage.

5. The aircraft base level repair design method according to claim 4, characterized in that: In S205, research and tackle typical repair methods for new special structures / systems to reduce the base-level repair risks brought by new special structures / systems; In S206, during the detailed design phase, the error accumulation during the assembly process is analyzed, and the assembly dimension chain is established and solved to ensure that after the aircraft base-level repair and assembly, the structural and system tolerances do not affect the normal function of the aircraft; In S207, based on the research and development of typical repair methods for new special structures / systems, relevant tests are conducted on base-level repair planning of aircraft structures and systems to verify repair methods and repair technologies; In S208, the compliance of the design requirements for base-level repairs is verified and confirmed, and design issues that affect base-level repairs of aircraft structures, systems, and airborne equipment are identified and design improvements are implemented.

6. The aircraft base level repair design method according to claim 5, characterized in that: During the design, trial production and evaluation phase, including: S301. Prepare base-level repair test requirements; S302. Conduct base-level repair and maintenance technology tests; S303. Develop analysis requirements for base-level repair programs; S304. Conduct periodic verification of base-level repair design requirements.

7. The aircraft base level repair design method according to claim 6, characterized in that: In S301, based on the base-level repair test demonstration, test requirements are proposed for the test contents of the structure and system planning, and the test objectives, test objects, test methods, test equipment and test organization are determined, and the test workflow and implementation requirements are clarified; In S302, on the basis of completing the research and tackling of typical repair methods for new special structures / systems, relevant tests are conducted on base-level repair planning of aircraft structures and systems to verify the repair methods and repair technologies; In S303, the scope, analysis procedures and methods, preparation format, preparation content and submission form of the depot-level repair program are specified; In S304, the compliance of the design requirements for base-level repairs is verified and confirmed, and design issues that affect base-level repairs of aircraft structures, systems, and airborne equipment are identified and design improvements are implemented.

8. The aircraft base level repair design method according to claim 7, characterized in that: In the installation and finalization stage, it includes: S401. Conduct base-level repair program analysis; S402. Develop a base-level repair program; S403. Guidelines for the preparation of technical requirements for structural repairs; S404. Guidelines for the preparation of system repair technical requirements; S405. Guidelines for the preparation of technical requirements for the repair of airborne equipment; S406. Prepare technical requirements for structural repairs; S407. Prepare technical requirements for system repair; S408. Prepare technical requirements for airborne equipment repair; S409. Conduct periodic verification of base-level repair design requirements; S410. Prepare base-level repair technical plan.

9. The aircraft base level repair design method according to claim 8, characterized in that: In S401, according to the analysis requirements of the base-level repair program, the base-level repair items are analyzed and summarized as input for compiling the base-level repair program. In S402, the depot-level repair program analysis report is used as the design input to complete the summary of aircraft depot-level repair items; In S403, the structural base-level repair process and the technical requirements for the corresponding base-level repair work are clarified; In S404, the system depot-level repair process and the technical requirements for the corresponding depot-level repair work are clarified; In S405, the base-level repair process for finished airborne products and the technical requirements for the corresponding base-level repair work are clearly defined.

10. The aircraft base level repair design method according to claim 9, characterized in that: In S406, the technical performance and requirements that must be implemented in the base-level repair of the structure and the allowable deviations after the repair are specified; In S407, determine the technical performance and requirements that must be implemented during the system depot repair; In S408, determine the technical performance and requirements that must be implemented during base-level repair of airborne equipment; In S409, the compliance of the design requirements for base-level repairs is verified and confirmed, and design problems that affect base-level repairs of aircraft structures, systems, and airborne equipment are identified and design improvements are implemented; In S410, the base-level repair technical plan is the overall maintenance technical plan, including the source of the task, overview, and repair content. It is compiled based on the base-level repair outline, base-level repair technical requirements, manufacturing technical requirements and other information provided by the design unit. It is the top-level maintenance document of the base-level repair unit.

11. The aircraft base level repair design method according to claim 10, characterized in that: In the batch production and service guarantee stage, including: S501, conduct base-level repair capability building and mission analysis; S502. Conduct periodic verification of base-level repair design requirements; S503. Prepare base-level repair implementation plan; S504. Prepare base-level repair technical requirements; S05. Prepare base-level repair process plan; S506. Prepare repair process specifications; S507, write a maintenance work card; S508. Prepare supporting list; S509. Prepare the base-level repair quality assurance program; S510, implement base-level repair activities; S511. Carry out base-level repair technical activities and status control; S512, collect, analyze and improve the repair information at the base level; S513. Prepare a summary of base-level repair technical work; S514, carry out base-level repair and inspection flight assessment support; S515. Continuously optimize the base-level repair program and repair technical requirements.

12. The aircraft base level repair design method according to claim 11, characterized in that: In S501, suggestions and requirements are made for the base-level repair capabilities of the base-level repair units, including the hardware conditions, manpower, and equipment required for base-level repairs, and all resources required for base-level repair tasks are analyzed; In S502, the compliance of the design requirements for base-level repair is verified and confirmed, and design problems that affect the base-level repair of aircraft structures, systems, and airborne equipment are found and design improvements are implemented; In S503, the base-level repair implementation plan is compiled based on the trial repair technical plan and design documents, including the specific items, methods, testing, and quality assurance of the base-level repair; In S504, the base-level repair technical conditions are converted from the manufacturing technical conditions provided by the design unit, targeting the aircraft structure, system, airborne finished product, hole making, repair, assembly, and testing; In S05, the base-level repair process plan includes various processes used in the base-level repair process and specific process plans.

13. The aircraft base level repair design method according to claim 12, characterized in that: In S506, the aircraft repair process specification includes each maintenance step of the specific structure and system, and introduces the production process and content of aircraft parts, systems, and airborne finished products; In S507, the maintenance work card breaks down the repair process specification into cards; In S508, the supporting list is used to assist other technical documents, including the technical notification list, the time control requirements list, the replacement parts list, the outsourcing list, and the risk control list; In S509, the depot repair quality assurance program specifies the quality assurance requirements for the aircraft development process; In S510, base-level maintenance activities include aircraft reception and fault inspection, disassembly and cleaning, repair, assembly, testing / debugging, painting and spraying markings, level measurement and weighing, and test flight.

14. The aircraft base level repair design method according to claim 13, characterized in that: In S511, the technical activities and status during the depot repair period are controlled to ensure that the processing of depot repair documents during the depot repair technical activities meets the model status requirements; In S512, the depot repair data of aircraft during the depot repair phase is collected, analyzed and processed to provide information for evaluating and improving aircraft depot repair work and the demonstration and development of new equipment; In S513, check whether the specified depot-level repair work items have been completed as required, and summarize the problems encountered during the depot-level repair process and their solutions; In S514, check whether the technical problems encountered during base-level repairs have been resolved, whether the problems have been resolved, and whether the remaining problems affect the safety of aircraft inspections; In S515, based on the collected professional base-level repair information and combined with the actual work experience of the base-level repair units, the base-level repair program and repair technical requirements are revised and improved.

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