CN113706955B - Aviation maintenance skill simulation training system - Google Patents

Abstract

The invention relates to an aviation maintenance skill simulation training system, which comprises a tool use training system, a fastening and insurance training system, a machine part dismounting training system, an electric welding crimping training system, a circuit measurement training system, an electric connector training system, a binding and finishing training system, a guarantee equipment use training system, a machine part cleaning and lubricating training system, a marking and marking training subsystem and a training management module; the training management module comprises a student management module, a test question management module, a test paper management module, an examination result management module, an equipment management module and a training media resource management module. The system further comprises an aeronautical maintenance skill practice training device. The invention provides theoretical training and training of various aviation aircrafts, realizes the combination of the theoretical training of the aircrafts and the hardware equipment of the aircrafts, enables students to refer to the real object of the corresponding hardware module for the training of the aircrafts or practice the actual operations of the aircrafts while receiving the theoretical training and training, and comprehensively improves the training effect and efficiency of the aircrafts.

Description

Aviation maintenance skill simulation training system

Technical Field

The invention belongs to the field of aircraft maintenance training, and particularly relates to an aircraft maintenance skill simulation training system.

Background

The common basic skill training contents for maintenance of aviation crew mainly comprise tool use, part disassembly and assembly, fastening and safety, binding and sorting, electric connectors, electric welding, equipment use guarantee, part cleaning and lubricating, marking and the like. Training of different kinds of engineering respectively depends on mutually independent hardware facilities. The training facilities of each type of crew have single function, low integration degree, and are bulky and heavy, which is not beneficial to implementing centralized training of crew.

At present, computer training, test question training and examination evaluation systems aiming at different types of aviation aircrafts are lacked.

Disclosure of Invention

The invention aims to solve the problems and provides an aviation maintenance skill simulation training system, which is used for establishing tool use training, fastening and insurance training, part disassembly and assembly training, electrical welding and crimping training, circuit measurement training, electric connector training, binding and finishing training, equipment use training guarantee, part cleaning and lubrication training, theoretical training of eleven types of machineries including marking and marking training, test question training and examination evaluation subsystems and a modularized, miniaturized and highly integrated aviation maintenance skill practice training device, so that a trained crew can refer to a real object of a corresponding engineering training hardware module or combine the theoretical training to carry out actual engineering operation training while receiving the theoretical training, and the training effect and efficiency of engineering training are comprehensively improved; the maintenance skill level of the maintenance personnel of the engineering is rapidly improved in a short time, and the training and training period is shortened.

The technical scheme includes that the aviation maintenance skill simulation training system provides learning training of all aspects of aviation maintenance knowledge and skills for students by adopting multimedia resources, and comprises a tool use training subsystem, a fastening and safety training subsystem, a part dismounting and mounting training subsystem, an electro-pneumatic welding and crimping training subsystem, a circuit measurement training subsystem, an electric connector training subsystem, a binding and sorting training subsystem, a device mounting use training subsystem, a part cleaning and lubricating training subsystem and a marking and marking training subsystem.

The tool use training subsystem provides training for identification, use and tool borrowing and returning processes of the aircraft service use tool.

And the fastening and insurance training subsystem provides knowledge training of fasteners, mechanical anti-loose type insurance, friction stop type insurance, permanent stop type insurance and training of fastening and insurance operation process.

The part disassembly and assembly training subsystem provides training for aviation part construction, identification, damage reason and preventive maintenance measures. And the tightness inspection training subsystem is used for providing theoretical training of pipeline application and pipeline tightness inspection operation processes, testing the tightness of a pipe group and performing actual operation training of pipeline inspection leakage points.

The electric welding crimping training subsystem provides theoretical training of welding crimping and electrostatic protection of electronic components, plugs, keys and cables.

And the circuit measurement training subsystem provides theoretical training for circuit detection and analysis and judgment of circuit faults such as insufficient solder, short circuit and open circuit.

And the electric connector training subsystem provides electric connector knowledge, electric connector process and theoretical training of analysis and judgment of electric connector open circuit, cold joint, disconnection and adhesion faults.

And the binding and dressing training subsystem provides theoretical training of a binding and dressing method and a binding and dressing process.

And the part cleaning and lubricating training subsystem provides knowledge of cleaning oil and lubricating grease and theoretical training of cleaning and lubricating processes of parts, pipelines, joints, electrical contacts, circuit boards, connectors and steel cables.

And the marking and marking line training subsystem provides theoretical training for the marks used on the airplane, the definition and the functions of the marks, the classification of the marks, the manufacturing of the marks, the specification of the marks and the operation instructions of the marks.

The use training subsystem of the guarantee equipment provides theoretical training for the knowledge and the use skill of the guarantee equipment.

The aviation maintenance skill simulation training system also comprises a training management module, wherein the training management module comprises a student management module, a test question management module, a test paper management module, an examination result management module, an equipment management module and a training media resource management module. And the student management submodule provides informatization management of student numbers, names, specialities, posts and ranks. And the test question management sub-module is used for providing the information management of the test question contents and the test question answers of the theoretical training question bank and the practice training question bank. The examination paper-out management submodule is used for providing examination paper selection questions according to the major, setting a check line and examination duration, and selecting students taking the examination. The examination result management sub-module provides the information management of examination paper, students, results, qualification and examination time. The equipment device management submodule provides information management for training equipment, equipment and accessories of the equipment. The training media resource management submodule provides information management of media types, media resource data, media resource drivers, and paths or addresses of media resources.

Preferably, the aircraft maintenance skill simulation training system further comprises an aircraft maintenance skill practice training device, the practice training device comprises a rack with a storage drawer, and a simulation cabin section assembly, an electric welding training platform and a control cabinet which are arranged on the rack, wherein the simulation cabin section assembly comprises a main cabin section with a support beam and an outer cabin section which is matched with the main cabin section in an overturning manner.

The practice training device further comprises a machine part dismounting training module, an insurance dismounting and fastening training module, an electric connector training module, a circuit measurement training module, a binding training module, a conduit dismounting module, a tightness inspection training module, a guarantee mounting training module and a tool borrowing and returning management module which are arranged on the main cabin section.

The machine part dismounting training module comprises a button control box with various aviation switches, a drop frame switch, a contactor, a steel cable group, and a screw cabin cover, a cross pin window cover and a quick-release screw window cover which are arranged on an outer cabin section.

The safety disassembly and fastening training module comprises a self-locking nut safety group, a clamp spring pin safety group, a cotter pin safety group, a spring pad safety group, a locking plate safety group, a punching point safety group, a double-nut safety group, a stud fastening group, a fixing pin group, a stud fastening group and a pipeline fastening group.

The electric connector training module comprises a plurality of groups of electric connector sockets which are arranged in pairs, the electric connector sockets in the pairs are connected with each other through a pluggable electric connector cable, each electric connector socket is provided with a corresponding number of test jacks according to the number of pins of the electric connector socket, and the pins of the electric connector socket are electrically connected with the conductive terminals of the corresponding test jacks; pins of the electric connector socket simulating open circuit or cold solder joint are connected with conductive terminals of the corresponding test jacks through a relay, a control end of the relay is connected with a controller, and the open circuit module or the cold solder joint simulation is set by controlling the relay; two pins of the electric connector socket simulating short circuit are connected through a relay, the control end of the relay is connected with a controller, and the short circuit is set through controlling the relay.

The electric welding training table comprises an electronic element welding operation table top, and an illuminating lamp, an electric leakage protection switch, a circuit board power supply interface and an electric welding interface which are arranged above the electronic element welding operation table top, and further comprises a drawer which is arranged below the electronic element welding operation table top and used for containing soldering wires and soldering flux.

The control cabinet comprises a cabinet body arranged on the rack, a computer host arranged in the cabinet body, and a touch display, a data acquisition card and a controller which are respectively connected with the computer host, wherein the control end of the relay group is connected with the controller through a photoelectric coupler, and the contacts of the relay group are respectively connected with the circuit measurement training module and the electric connector training module.

The circuit measurement training module comprises a signal generating circuit, a relay and a plurality of test holes are arranged in a plurality of branches of the signal generating circuit, the control end of the relay is connected with the controller respectively, the controller controls the connection and disconnection of contacts of the relay in the branch of the signal generating circuit, and the disconnection, cold solder simulation, disconnection and adhesion faults of the branch of the signal generating circuit are simulated for training the circuit measurement and circuit fault analysis and judgment capacity of a student.

The binding training module comprises a plurality of groups of vertically arranged one-to-two cables and transversely arranged one-to-many cables crossed with the vertically arranged one-to-two cables.

The pipe dismouting module includes oil seal training nest of tubes and airtight training nest of tubes. The oil-tight training pipe group comprises a plurality of sections of metal guide pipes, and the end parts of the adjacent metal guide pipes are connected through a pipeline joint; the top of the oil-tight training pipe group is provided with an oil-way exhaust joint, and the bottom of the oil-tight training pipe group is provided with an oil-way oil drain joint.

The airtight training pipe group comprises a metal conduit, a cloth-sandwiched rubber pipe and a rubber hose; the two ends of the cloth-sandwiched rubber tube and the rubber hose are respectively connected with the end parts of the adjacent metal conduits through connecting joints; the ends of adjacent metal conduits are connected by a pipe joint.

The air circuit detection sub-module comprises an air source switch, a pressure reducing valve, an air circuit safety valve, an air circuit test switch and an air delivery pipeline which are sequentially connected, an air conditioner bottle is connected with the input end of the air delivery pipeline through an air bottle switch, the air conditioner bottle is provided with an air source pressure gauge, and the air delivery pipeline is provided with an air circuit test pressure gauge, an air pressure detection port, an air pressure sensor, an air conditioner filling switch and an air circuit pressure relief switch; the output end of the gas transmission pipeline is connected with the input end of the airtight training pipe group on the simulation cabin section component through the cabin section gas circuit switch.

The oil circuit inspection submodule comprises an oil conveying pipeline and a cabin oil circuit switch which are connected with the pump station, an oil circuit test pressure gauge is arranged on the oil conveying pipeline, and an oil liquid filling switch is arranged at the connecting end of the oil conveying pipeline and the pump station; the output end of the oil conveying pipeline is connected with the input end of an oil seal training pipe set on the simulation cabin section assembly through a cabin section oil circuit switch.

The guarantee dress training module includes ground power plug, fluid supply mouth, air conditioning installs mouthful additional, blanking cover, jam, ground insurance bolt and engine exhaust pipe blanking cover.

The tool borrowing and returning management module comprises a tool list storage box arranged on the side face of the control cabinet, a slot arranged on the top face of the control cabinet and used for containing a scanning gun, a plurality of trays used for storing training tools and the scanning gun used for scanning codes for the tools.

Compared with the prior art, the invention has the beneficial effects that:

1) The invention provides the aircraft crew with the theoretical training of a plurality of aircraft crews such as tool use, fastening and insurance, part disassembly and assembly, tightness inspection, electric welding and compression, circuit measurement, electric connectors, binding, bundling and finishing, part cleaning and lubricating, marking and the like, thereby comprehensively improving the skill level of the plurality of aircraft crews;

2) The invention provides theoretical training for guaranteeing the use of equipment for aircraft crew, so that the aircraft crew is familiar with the equipment for guaranteeing the use of the aircraft crew, and the improvement of the guarantee level of the aircraft is facilitated;

3) The training management module of the simulated training system realizes the management of the question bank, the test paper and the examination score, can configure individualized test paper for students in different specialties, and is convenient for the students to inquire and count the examination score;

4) The invention realizes the combination of the train operation theoretical training and the train operation hardware equipment, so that the crew receiving the training can perform actual train operation training by referring to the real object of the corresponding train operation hardware module or combining the theoretical training while receiving the theoretical training, thereby comprehensively improving the training effect and efficiency of the train operation;

5) The invention can set open circuit, short circuit, simulated cold solder and other circuit faults for the circuit of the circuit measurement training module through the operation interface of the software system, so that the trainee can analyze and judge the type and the position of the circuit fault, and the circuit detection, analysis and fault judgment capabilities of the trainee are improved;

6) The invention not only provides the plugging and connecting training of various electric connectors, but also sets the electric connection faults of open circuit, short circuit, simulated cold solder joint, adhesion and the like on the socket of the electric connector through the operation interface of a software system, so that training personnel can analyze and judge the type and the position of the electric connector fault, and the capacity of the training personnel in judging the electric connector fault is improved;

7) The invention realizes the integration of the conduit dismounting module and the tightness checking training module, not only provides the dismounting training of the rubber conduit, the cloth-sandwiched rubber tube and the metal conduit, but also provides the air tightness and oil tightness detection of the dismounted conduit, is convenient for evaluating the tightness of a closed loop installed by the conduit or used for the diagnosis and analysis training of a defective pipeline, and can be used for the test evaluation of the conduit dismounting skill of a student or the pipeline checking leakage point skill;

8) The invention provides the fastening torque training, when a student fastens the torque strength training component, the torque digital display meter displays the torque value in real time, so that the student can be trained to accurately master the fastening torque, and the maintenance quality of the engineering is improved;

9) The practical operation training device for the maintenance skill of the aircraft flight engineering, disclosed by the invention, provides practical operation training of cleaning and lubrication of an aircraft part, a pipeline, a joint, an electric contact, an electric connector, a steel cable, an aircraft skin, a movable joint and a guarantee device, and is used for performing centralized exercise and improving the cleaning and lubricating skills in the aircraft flight engineering of a student;

10 The invention realizes the modularization, miniaturization and high integration of the aviation aircraft maintenance skill practice training device, is convenient for batch production and loading transportation, is beneficial to widely developing the simulation training of aviation aircraft, comprehensively improves the theory and practice level of the aviation aircraft skill of each aviation unit member, improves the training efficiency, reduces the training cost and shortens the training time.

Drawings

The invention is further illustrated by the following figures and examples.

Fig. 1 is a schematic system architecture diagram of an aircraft maintenance skill simulation training system according to an embodiment of the present invention.

Fig. 2 is a schematic view of an operation interface of the aircraft maintenance skill simulation training system according to the embodiment of the present invention.

FIG. 3 is a schematic diagram of a main interface of a theoretical learning version of a circuit measurement training subsystem according to an embodiment of the invention.

Fig. 4 is a schematic diagram of a theoretical learning version and block theoretical training interface of the circuit measurement training subsystem according to the embodiment of the invention.

FIG. 5 is a schematic diagram of a training interface of a theoretical training block choice problem of the circuit measurement training subsystem according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of an actual operation training question interface of an actual operation training block of a circuit measurement training subsystem according to an embodiment of the present invention.

Fig. 7 is an editing interface of the theoretical training questions of the aircraft maintenance skill simulation training system according to the embodiment of the invention.

Fig. 8 is an editing interface of the practical operation training questions of the aircraft maintenance skill simulation training system according to the embodiment of the invention.

Fig. 9 is an editing interface for examination paper output of the aviation maintenance skill simulation training system according to the embodiment of the invention.

FIG. 10 is a table of data for an aircraft maintenance skill simulation training system according to an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of an aircraft maintenance skill practice training device according to an embodiment of the present invention.

Fig. 12 is a front view of an aeronautical maintenance skill practice training apparatus according to an embodiment of the present invention.

Fig. 13 is a rear view of the aircraft maintenance skill practice training apparatus according to the embodiment of the present invention.

Fig. 14 is a schematic view of a main cabin section of the aircraft maintenance skill practice training apparatus according to the embodiment of the present invention.

Fig. 15 is a schematic diagram of a machine element disassembly and assembly training module according to an embodiment of the present invention.

FIG. 16 is a schematic view of an insurance detachment and fastening training module according to an embodiment of the present invention.

Fig. 17 is a schematic diagram of an electrical connector training module and a circuit measurement training module according to an embodiment of the invention.

Fig. 18 is a schematic diagram of the circuit connection of the electrical connector training module according to the embodiment of the invention.

FIG. 19 is a circuit diagram of a circuit measurement training module according to an embodiment of the present invention.

Fig. 20 is a circuit diagram of a patch component soldered circuit board and an in-line component soldered circuit board according to the embodiment.

FIG. 21 is a schematic diagram of a secure clothing training station according to an embodiment of the invention.

Fig. 22 is a schematic structural diagram of an oil passage inspection submodule according to an embodiment of the present invention.

Fig. 23 is a schematic structural diagram of a gas path detection submodule according to an embodiment of the present invention.

Fig. 24 is a schematic structural view of a movable joint according to an embodiment of the present invention.

Fig. 25a is a schematic diagram of an in-line component soldered circuit board according to an embodiment of the present invention.

Fig. 25b is a schematic diagram of a patch element soldered circuit board according to an embodiment of the present invention.

Fig. 26 is a schematic diagram of a driving circuit of a circuit measurement training module relay according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1 and fig. 2, the aviation maintenance skill simulation training system comprises a tool use training system, a fastening and insurance training system, a part dismounting and mounting training system, an electric welding and crimping training system, a circuit measurement training system, an electric connector training system, a binding and finishing training system, a device mounting guaranteeing use training system, a part cleaning and lubricating training system, a marking and marking training subsystem and a training management module. The tool use training subsystem comprises a theoretical learning version block, a theoretical training version block and an actual practice training version block respectively, the theoretical learning version block provides recognition and use of common tools and theoretical training of a tool management system for students in the forms of charts, audios, videos, characters and the like, the theoretical training version block provides recognition and use of the tools for the students and test question training of single choice questions or multiple choice questions of tool borrowing and returning programs, and the actual practice training version block provides recognition and use of the tools for the students.

The theoretical learning board of the fastening and insurance training subsystem provides the knowledge training of the basic knowledge and mechanical anti-loose insurance, friction locking insurance and permanent locking insurance of the fastening piece and the training of the fastening and insurance operation process; the theoretical training plate of the fastening and insurance training subsystem provides the trainees with the test question training of single choice questions or multiple choice questions of fastening and insurance; the fastening and insurance training subsystem practice training plate block provides the trainees with fastening and insurance practice training questions.

The machine part disassembly and assembly training subsystem theoretical learning board provides the students with the structures, identification, damage reasons, preventive maintenance measures of various conduits and plugs and theoretical training of disassembly and assembly of airplane skins, conduits, airborne equipment, parts and common buttons in the forms of charts, videos, characters and the like; the machine part disassembly and assembly training subsystem theoretical training plate provides the students with test question training of single choice questions or multiple choice questions of machine part disassembly and assembly; the real-operation training board block of the part disassembly and assembly training subsystem provides the trainees with real-operation training test questions for part disassembly and assembly.

The theoretical learning board of the binding, binding and sorting training subsystem provides theoretical training of binding, binding and sorting of aviation cables for students in the forms of charts, videos, characters and the like, so that the students are familiar with and master various common aviation plug wire harness decomposition and combination methods and cable binding, binding and sorting methods and skill requirements; the binding, binding and arranging training subsystem is used for theoretical learning of the plate and providing the students with test question training of single choice questions or multiple choice questions for binding, binding and arranging; the practical exercise training board block of the binding, binding and finishing training subsystem provides practical exercise training test questions of binding, binding and finishing for students.

The electric connector training subsystem theoretical learning board provides students with theoretical training of identification, plugging, disassembly and assembly of the type electric connectors in the forms of charts, videos, characters and the like, the electric connector type numbers comprise JY series, XKE series, ZH series, YB series, Y11/Y50 series and PD series, and the electric connector types comprise common connection types such as duplex squares, simplex squares, common circles, buckle quick connection and the like; the theoretical training plate of the electric connector training subsystem provides the students with test question training of single choice questions or multiple choice questions of the electric connector; the electric connector training subsystem practice training plate block provides the practice training test questions of the electric connector for the trainees.

The electric welding and crimping training subsystem theory learning board block provides theory training of welding and crimping of electronic components, plugs, keys and cables and electrostatic protection for students in the forms of charts, videos, characters and the like; the electric welding crimping training subsystem theoretical training module provides the trainees with the test training of single choice questions or multiple choice questions of electric welding crimping; the electric welding crimping training subsystem actual operation training board block provides the trainees with electric welding crimping actual operation training test questions. During actual operation examination, a student completes the welding of the circuit board according to the actual operation training test questions, and a teacher carries out manual scoring through the system interface.

The circuit measurement training subsystem theoretical learning board provides theoretical training of circuit detection, circuit disconnection, rosin joint, disconnection and adhesion fault analysis and judgment for students in the forms of charts, videos, characters and the like; the circuit measurement training subsystem theoretical training plate provides test question training of single choice questions or multiple choice questions of circuit measurement; the circuit measurement training subsystem practice training plate block provides practice training questions for circuit detection for the trainees.

When the circuit measurement practical training is carried out, the circuit measurement training subsystem carries out setting of at most 6 circuit faults at random, and a student carries out detection and analysis on the circuit of the circuit measurement training module of the aircraft maintenance skill practical training device through the universal meter to complete answering.

The theoretical learning board of the tightness inspection training subsystem provides basic knowledge of connecting pipelines such as metal pipes, rubber pipes and the like and theoretical training of tightness inspection processes for students in the forms of charts, videos, characters and the like; the theoretical training plate of the tightness inspection training subsystem provides the students with test question training of single choice questions or multiple choice questions of tightness inspection; the sealing inspection training subsystem actual operation training plate block provides the students with the actual operation training test questions of sealing inspection and fault elimination.

The theoretical training of the theoretical learning version block of the guarantee equipment use training subsystem provides students with plugs such as a ground power plug, an oil supplement interface, a cold air additional interface and the like, interface connection, typical part connection such as cover blocking, blockage, a ground safety bolt and the like, disassembly and assembly of an engine exhaust pipe cover blocking and measurement of the tension of a steel cable; the theoretical training plate of the support equipment use training subsystem provides the students with test question training of single choice questions or multiple choice questions; the actual operation training board block of the actual operation training subsystem is used by the guarantee equipment to provide the actual operation training test questions for the student.

The theoretical learning board block of the part cleaning and lubricating training subsystem provides theoretical training for cleaning and lubricating parts such as pipelines, joints, steel cable force measuring devices, ground power plugs, ground valves, movable joints, ground safety bolts, airplane skins, bearings and the like and cleaning of electric components such as circuit boards, micro switches and buttons for electric shock and aviation plug-in units for trainees in the forms of charts, videos, characters and the like; the theoretical training plate of the machine element cleaning and lubricating training subsystem provides the trainees with the test training of single choice questions or multiple choice questions of machine element cleaning and lubricating; the real-operation training board block of the machine element cleaning and lubricating training subsystem provides the students with real-operation training questions of machine element cleaning and lubricating.

The theoretical learning version block of the marking and marking training subsystem provides theoretical training of basic knowledge, operation methods and attention contents of marking and marking to students in the forms of charts, videos, characters and the like; the theoretical training plate block of the marking and marking training subsystem provides the trainees with test question training of single choice questions or multiple choice questions of the marks and the marks; the practical exercise training plate block of the marking and marking line training subsystem provides practical exercise training test questions of marking and marking lines for the trainees.

The training management module comprises a student management module, an examination question management module, an examination paper output management module, an examination result management module, an equipment management module and a training media resource management module.

And the student management submodule provides informatization management of student numbers, names, specialties, posts and rank titles.

And the test question management sub-module is used for providing the informatization management of the test question contents and the test question answers of the theoretical training question bank and the practice training question bank.

The examination paper output management submodule provides examination paper selection for students of different specialties, sets a lattice score line and examination duration, and selects the students taking the examination.

The examination result management sub-module provides the information management of examination paper, students, results, qualification and examination time.

The equipment management submodule is used for information management of equipment for the engineering training and equipment and accessories of the equipment.

The training media resource management submodule provides information management of media types, media resource data, media resource drivers and paths or addresses of media resources.

Taking the circuit measurement training subsystem as an example, the main interface of the theoretical learning version is shown in fig. 3, and the interface for providing theoretical training by the theoretical learning version is shown in fig. 4; the training interface of the single choice question of the theoretical training plate is shown in FIG. 5; the practice training question interface of the practice training block is shown in FIG. 6.

Fig. 7 is an editing interface of the theoretical training questions, and the user edits and manages the question types, question stems and options of the theoretical choice questions. Fig. 8 is an editing interface of the practice exercise question, and the user edits and manages the question stem of the practice exercise question and the corresponding module. Fig. 9 shows an editing interface for taking examination papers, in which a user divides a module to randomly extract theoretical choice questions, add or delete test questions, and generate examination papers. FIG. 10 illustrates a data table relationship for an aircraft maintenance skill simulation training system of an embodiment.

The data tables of the media resources adopted for theoretical training of the theoretical learning version are shown in tables 1 and 2.

Table 1 media resource information table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
ResName	VARchar	Media name
			ResType	INT	Media resource type foreign key
ResExt	VARchar	Media extension
			ResGlobalURL	VARchar	URL for importing resource
ResInternalURL	VARchar	URL for internal data reference
			ResData	BLOB	Media asset data

Data tables of equipment, equipment and accessories corresponding to the media resources of the theoretical learning version block are shown in tables 3, 4 and 5.

Table 2 media asset type table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
Description	TEXT	Media type description
			typeName	VARchar	Media content type name
driverName	VARchar	Media resource driver names
			driverType	VARchar	Media resource driven types

TABLE 3 Equipment information Table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
EquipSN	VARchar	Equipment serial number
			EquipType	VARchar	Type of equipment
EquipName	VARchar	Name of the equipment
			AvatarURL	VARchar	Equip photo URL
MeshURL	VARchar	Equip three-dimensional model URL
			VideoURL	VARchar	Equip video introduction URL

The data table shown in table 4 stores device information data included in the equipment.

Table 4 equipment information table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
AMMEquipID	INT	Equip outer key
			DeviceName	VARchar	Device name
Descrption	TEXT	Detailed description of the device

The data table shown in table 5 stores the component information data of the equipment.

Table 5 information table of parts

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
AMMEquipID	INT	Equip outer key
			PartsName	VARchar	Name of spare and accessory parts
PartsType	VARchar	Type of spare and accessory parts
			Descrption	TEXT	Detailed description of the details

The tools used for equipment repair, maintenance, and the like are shown in table 6.

TABLE 6 maintenance and measurement tool for locomotive

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
AMMEquipID	INT	Equip external key
			ToolsName	VARchar	Name of maintenance tool
ToolsType	VARchar	Type of tool

The trainee information participating in the aircraft maintenance skill training is shown in table 7. The rank information of the trainee and the belonging group information are shown in tables 8 and 9.

TABLE 7 student information Table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
PositionName	VARchar	Post name
			GroupID	INT	External key of affiliated unit
PrivilageMask	INT	Permission mask
			Rank	VARchar	External key of rank order

Table 8 rank order information table

Name of field	Type of data	Content providing method and apparatus
			id	INT	Main key
RankName	VARchar	Rank name
			RankIndex	INT	Rank numbering of rank order

TABLE 9 crew grouping table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
GroupName	VARchar	Name of unit
			Description	TEXT	Description of units

Table 10 is an operation flow information table of actual exercise training, and the operation step information in the operation flow is shown in table 12. The standard result data of the operation steps are shown in Table 13.

TABLE 10 information table of actual operation process

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
FlowName	VARchar	Name of procedure
			Descrption	TEXT	Description of the flow
index	INT	Flow program number

Table 11 shows the workplace information corresponding to the operation flow.

Watch 11 workplace watch

Name of field	Type of data	Content providing method and apparatus
			id	INT	Main key
Name	VARchar	Name of place
			type	VARchar	Type of location

TABLE 12 information table of actual operation steps

Name of field	Type of data	Content providing method and apparatus
			id	INT	Main key
OperationName	VARchar	Name of operation
			Descrption	TEXT	Description of the operation
index	INT	Operation sequence number
			FlowID	INT	External key of the process
dependsID	INT	Dependent operations
			prevID	INT	Preamble operation
nextID	INT	Subsequent operation
			Operator	INT	Operator
Object	INT	Operation object
			OperateWith	INT	Operating tool
FacilityID	INT	Workplace
			OperResult	INT	Result of operation

Table 13 data table of actual operation standard

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
ResultName	VARchar	Name of result
			ResultCode	VARchar	Code for result
ResultValueType	VARchar	Type of result value
			ResultValueInt	INT	Integer result value
ResultValueFloat	FLOAT	Floating point number result value
			ResultValueData	BLOB	Complex structured result values

The data table shown in table 14 stores the result of training performed by the trainee or the score of the operation step.

TABLE 14 score table for actual practice

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
OperationToPrac	INT	Operating procedure of training
			UserID	INT	Participant ID
PracticeResult	INT	User training results

Table 15 shows the test question information of the theoretical training. The data table shown in table 16 stores option information of test questions.

Table 15 test question information table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
QuizID	INT	Belonging test paper ID
			QuestionTitle	VARchar	Title of examination question
QuestionType	VARchar	Type of examination questions
			AnswerID	INT	Label ID
QuestionContext	TEXT	Text of test questions
			QuestionExtraCtx	TEXT	Auxiliary information or answer selecting support for test question

Table 16 test question option information table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
AnswerType	VARchar	Answer type
			AnswerIndex	INT	Answer order number
AnswerIndexText	VARchar	Answer order number text form
			AnswerBodyText	VARchar	Text of answers
QuestionID	INT	Corresponding test question ID

The data table shown in table 17 stores examination information, and the examination header information is shown in table 18.

Table 17 examination information table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
QuizID	INT	Extracted test paper ID
			ExamineeGroup	INT	Assessment object grouping
PassLine	INT	Examination qualification score
			ExamineeNumber	INT	Number of reference persons
StartTime	TIME	Examination start time
			EndTime	TIME	Examination ending time

Table 18 test paper header information table

Name of field	Type of data	Content providing method and apparatus
			id	INT	Main key
Name	VARchar	Examination paper name
			Cata	VARchar	Examination paper classification
Description	TEXT	Introduction to test paper

The data table shown in table 19 stores examination paper-out information.

Table 19 examination question paper-making information table

Name of field	Data type	Content providing method and apparatus
			id	INT	Main key
questionID	INT	Extracted test question ID
			QuizID	INT	Assigned test paper ID

The data table shown in table 20 stores the trainee information data for taking a test.

Table 20 entrance examination person information table

Name of field	Type of data	Content providing method and apparatus
			id	INT	Main key
UserID	INT	Reference person ID
			ExamID	INT	Examination ID

The data table shown in table 21 stores examination results of the trainees.

Table 21 examination score table

Name of field	Type of data	Content providing method and apparatus
			id	INT	Main key
AchieveType	VARchar	Score type (rating system or rating system)
			Score	FLOAT	Score of
Rank	VARchar	Grade

As shown in fig. 11 to 14, the aeronautical aircraft maintenance skill simulation training system further comprises an aeronautical aircraft maintenance skill practice training device, the practice training device comprises a rack 10 with a storage drawer, and a simulation cabin section assembly 11, a guarantee loading training platform 7, an electrogas welding training platform 9 and a control cabinet 8 which are arranged on the rack, wherein the simulation cabin section assembly 11 comprises a main cabin section 111 with a support beam and an outer cabin section 112 matched with the main cabin section in a turnover mode. The aircraft maintenance skill practice training device further comprises a part dismounting training module 1, an insurance dismounting and fastening training module 2, an electric connector training module 3, a circuit measurement training module 4, a binding training module 5, a conduit dismounting module 6 and an identification training pipe group 14 which are arranged on the main cabin section. 4 universal wheels are arranged at the bottom of the rack 10 of the aeronautical engineering maintenance skill practice training device, so that the aeronautical engineering maintenance skill practice training device can be moved and carried conveniently.

As shown in fig. 15, the work disassembling training module 1 includes a switch control box 101 with various aviation switches, a landing gear switch 102, a contactor 103, a wire rope set 104, and a screw hatch 105, a cross pin window cover 106, and a quick-release screw window cover 107 arranged on an outer hatch section. The switch control box 101 is provided with an indicator light switch 1011, a toggle switch 1012, and a wave band switch 1013. The cable assembly 104 is used for the aircraft cable disassembly and assembly training and the cable tension measurement training. In the embodiment, the cable assembly 104 is provided with 3 common aviation gauge cables.

As shown in fig. 16, the safety dismounting and fastening training module 2 includes a self-locking nut safety group 201, a snap spring pin safety group 202, a cotter pin safety group 203, a fuse group 204, a spring pad safety group 206, a locking plate safety group 205, a punching point safety group 209, a double-nut safety group 207, a stud fastening training group 208, a fixing pin 215, a cross screw fastening training group 210, an inner hexagon screw fastening training group 211, a straight screw fastening training group 212, a pipeline fastening training group 213, and a pipeline joint fastening training group 214. The pipe fixing training set 213 of the embodiment uses a pipe fixing clamp, and the pipe joint fastening training set 214 uses a multi-way joint. The safety dismounting and fastening training module 2 is also used for marking of the marking and marking training subsystem and actual operation training of the marking.

In the embodiment, the two sides of the base plate 216 of the insurance detachment and fastening training module 2 are provided with the connecting lugs, and the base plate 216 is fastened with the module support on the main cabin section 111 through the connecting lugs, so that the insurance detachment and fastening training module 2 can be conveniently mounted and dismounted.

As shown in fig. 17, the electrical connector training module 3 includes a plurality of sets of electrical connector sockets arranged in pairs, the pairs of electrical connector sockets are connected to each other through a pluggable electrical connector cable, each electrical connector socket is provided with a corresponding number of test jacks according to the number of pins thereof, and the pins of the electrical connector socket are electrically connected to the conductive terminals of the corresponding test jacks; pins of the electric connector socket simulating open circuit or cold solder joint are connected with conductive terminals of the corresponding test jacks through a relay, a control end of the relay is connected with a controller, and the open circuit module or the cold solder joint simulation is set by controlling the relay; two pins of the electric connector socket simulating short circuit are connected through a relay, the control end of the relay is connected with a controller, and short circuit setting is carried out through controlling the relay.

As shown in fig. 19, the circuit measurement training module 4 includes a signal generating circuit and a logic control circuit, the connecting ends of the electronic components of the signal generating circuit are respectively provided with a testing hole, relays are respectively arranged in a plurality of branches of the signal generating circuit, the control ends of the relays are respectively connected with the logic control circuit, the logic control circuit controls the connection and disconnection of the contacts of the relays in the branches of the signal generating circuit, and simulates circuit faults such as disconnection, cold solder joint, disconnection, adhesion and the like of the branches of the signal generating circuit, so as to train the circuit measurement and circuit fault analysis and judgment ability of a student.

In the embodiment, the electric connector training module 3 and the circuit measurement training module 4 are arranged on the same module substrate, the module substrate is provided with 2 circuit measurement training modules 4 with the same circuit structure, the module substrate adopts a modular structure similar to the safety disassembly and fastening training module 2, and the module substrate is fastened with a module support on the main cabin section 111.

The signal generating circuit of the embodiment is a square wave signal generator and adopts an NE555 chip.

As shown in fig. 14, the ligature training module 5 includes 2 bundles of vertically disposed one-to-two cables 502 and a crosswise disposed one-to-many cables 501.

The catheter detachment module 6 includes an oil-tight training tube set 61 and an air-tight training tube set 62, as shown in fig. 14. The oil-tight training tube group 61 includes a plurality of metal tubes 601, and the ends of the adjacent metal tubes 601 are connected by a pipe joint 604. The top of the oil-tight training pipe group 61 is provided with an oil-way exhaust joint 611, and the bottom of the oil-tight training pipe group 61 is provided with an oil-way oil drain joint 612.

The airtight training pipe group 62 comprises a metal conduit 601, a cloth-sandwiched rubber pipe 602 and a rubber hose 603; the two ends of the cloth-sandwiched rubber tube and the rubber hose are respectively connected with the end parts of the adjacent metal conduits through connecting joints; the ends of adjacent metal conduits 601 are connected via line connections 604. The pipe joint 604 includes an L-shaped two-way joint, a three-way joint, and a four-way joint.

As shown in fig. 11, the guarantee outfit training platform 7 is provided with a ground power plug 701, an oil supplement port 716, a cold air adding port 736, a blocking cover 704, a block 705, a ground safety latch 706 and an engine exhaust pipe blocking cover 707; the guarantee dress training platform 7 still includes the seal inspection training module, and the seal inspection training module includes oil circuit inspection submodule piece and gas circuit inspection submodule piece.

As shown in fig. 22, the oil passage checking submodule includes an oil delivery pipe 712 connected to the pump station 711 and a cabin oil passage switch 715, the oil delivery pipe 712 is provided with an oil passage test pressure gauge 714, and the connection end of the oil delivery pipe 712 and the pump station 711 is provided with an oil filling switch 713; the output end of the oil pipeline 712 is connected with the input end of the oil-tight training pipe group 61 on the simulation cabin assembly through a cabin oil-way switch 715; the pump station 711 includes an oil pump 7111, an oil suction filter 7112 is disposed at an oil inlet end of the oil pump 7111, and an oil pressure sensor 7116, a pump station oil pressure gauge 7115, an oil path safety valve 7114, and a pump station pressure relief switch 7113 are disposed at an oil outlet end of the oil pump 7111. The oil pump 7111 of the embodiment adopts a hand-operated oil pump, the pump station 711 provides a system hydraulic source, and an oil circuit checking submodule is adopted to carry out the working principle of oil tightness detection on the oil tightness training pipe group 61 on the simulation cabin section assembly: the pump station 711 pressurizes the oil conveying pipeline 712, the oil safety valve 7113 protects the pressure of the output pipeline of the pump station from exceeding a set safety value, the oil test pressure gauge 714 displays the pressure value of the oil conveying pipeline 712 in real time, the oil pressure sensor 7116 outputs an acquired pressure signal to the controller of the control cabinet 8 to perform pressure maintaining detection on the oil-tight training pipe group 61, and if the oil pressure drop value acquired by the oil pressure sensor 7116 exceeds 0.1MPa within 15 minutes, it is determined that the oil-tight training pipe group 61 has leakage. And after the detection is finished, opening a pressure relief switch 7113 of the pump station to relieve pressure, and then performing troubleshooting.

As shown in fig. 23, the gas circuit checking submodule includes a gas source switch 724, a pressure reducing valve 725, a gas circuit safety valve 726, a gas circuit test switch 727 and a gas transmission pipeline 721, the cold gas cylinder 729 is connected with the input end of the gas transmission pipeline 721 through a gas cylinder switch 722, the cold gas cylinder 729 is provided with a gas source pressure gauge 723, and the gas transmission pipeline 721 is provided with a gas circuit test pressure gauge 728, a gas pressure detection port 730, a gas pressure sensor 731, a cold gas filling switch 733 and a gas circuit pressure relief switch 732; the input end of the gas transmission pipeline 721 is provided with an external gas source access port 735. The output end of the gas transmission pipeline 721 is connected with the input end of the airtight training pipe group 62 on the simulation cabin section assembly through a cabin section gas switch 734. The cold air filling switch 733 is communicated with a cold air charging opening 736 of the guarantee charging training platform 7 through a pipeline.

In the embodiment, the working principle of performing airtightness detection on the airtight training pipe group 62 on the simulation cabin segment assembly by using the gas circuit checking sub-module is as follows: the gas cylinder switch 722 is opened, the gas source pressure gauge 723 displays the pressure of a gas source, the gas source switch 724 is opened on the premise that the gas source pressure meets the requirements, the gas of the gas source is reduced to 0.5MPa through the pressure reducing valve 725, the gas circuit test pressure gauge 728 displays the gas pressure of the gas transmission pipeline 721 in real time, the gas circuit safety valve 726 is used for setting the highest pressure of the gas transmission pipeline, the cabin section gas circuit switch 734 is opened to carry out tightness inspection on the airtight training pipe group 62, the gas pressure sensor 731 outputs the acquired pressure signal to the controller of the control cabinet 8 to carry out pressure maintaining detection on the airtight training pipe group 62, and if the gas pressure reduction value acquired in the gas pressure sensor 731 exceeds 0.1MPa in 15 minutes, it is judged that the airtight training pipe group 62 has leakage. After the detection is finished, the gas path pressure relief switch 732 is opened to relieve the pressure, and then the troubleshooting is performed. In an embodiment, an external field air source can be connected to the external air source access port 735 to replace the cold air bottle 729 for air tightness detection. The gas source pressure of the embodiment is required to be 2MPa to 3MPa.

The gas circuit check submodule can also be used for detecting the reliability of the cross-linked connection between the cold air adding opening 736 and the cold air source, the air source switch is turned off during detection, the cold air filling switch 733 is turned on, and the reliability of the cross-linked connection between the cold air adding opening 736 and the cold air source is judged through the reading of the gas circuit test pressure gauge 728.

The electric welding training table 9 comprises an electronic component welding operation table top 901, and an illuminating lamp 907, an earth leakage protection switch 904, a welding circuit board power supply interface 902 and an electric welding interface 903 which are arranged above the electronic component welding operation table top, and further comprises a drawer 908 which is arranged below the electronic component welding operation table top and used for containing soldering wires and soldering flux; the operation table 901 is provided with a 220V power socket 905 and a lighting lamp control switch 906.

In an embodiment, the aeronautical engineering maintenance skill practice training device further comprises a patch element welding circuit board and a through-insertion element welding circuit board which are used for electric welding practice training, and circuits adopted by the patch element welding circuit board and the through-insertion element welding circuit board are shown in fig. 20. The chip component soldering circuit board is used for electric soldering training of chip-mounted electronic components such as integrated chips of chip pins, capacitors, resistors and diodes, as shown in fig. 25 a. The direct plug component soldering circuit board is used for electric soldering training of electronic components such as integrated chips of direct plug pins, capacitors, resistors, diodes and the like, as shown in fig. 25 b. The electrical welding interface 903 is used to power the welding torch used for welding training. After the student finishes welding the electronic element, the detection interface of the welded patch element welded circuit board or the welded direct-insertion element welded circuit board is connected with the welding circuit board power supply interface 902, and the controller judges whether the patch element welded circuit board or the welded direct-insertion element welded circuit board welded by the student is qualified or not according to the signal of the detection interface.

The control cabinet 8 comprises a cabinet body 801 arranged on the rack, a computer in the cabinet body, a touch display 802, a data acquisition card and a controller, wherein the touch display 802, the data acquisition card and the controller are respectively connected with the computer, the control end of the relay group is connected with the controller through a photoelectric coupler, and the contacts of the relay group are respectively connected with the circuit measurement training module and the electric connector training module. The controller adopts an Arduino UNO interface board.

The tool borrowing and returning management module 13 comprises a tool list storage box 131 arranged on the side face of the control cabinet, a slot 132 used for containing a scanning gun at the top of the control cabinet, a plurality of trays used for storing training tools and the scanning gun used for scanning codes of the tools. The tool borrowing and returning management module 13 is also used for actual operation training of the tool using the training subsystem.

The identification training pipe group 14 comprises a plurality of pipelines with different colors and different specifications and is used for training the identification capability of students on various pipelines involved in aviation engineering.

The supporting beam of the simulation cabin segment assembly 11 is provided with a movable joint 12, the movable joint comprises a support 121, a shaft core 122, a bush 123 and a locking nut 124, a joint bearing 125 is connected with the bush 123 through a connecting rod, and the middle part of the shaft core is provided with an oil injection nozzle 126, as shown in fig. 24. The movable joint 12 is used for actual operation training of the machine element cleaning and lubricating training subsystem.

After the outer cabin section 112 of the simulation cabin section assembly 11 is turned downwards, the modules on the main cabin section 111 are enclosed and sealed, the machine part dismounting training module 1, the safety dismounting and fastening training module 2, the electric connector training module 3, the circuit measurement training module 4, the binding training module 5, the conduit dismounting module 6 and the like are subjected to the machine operation training after the screw cabin cover 105, the cross pin window cover 106 and the quick-release screw window cover 107 on the outer cabin section 112 are disassembled, the operation difficulty is increased, and the machine skill level pull-up training is performed on a student.

As shown in fig. 21, the guarantee outfitting training table 7 is provided with a torque strength training component 740 and a digital torque display meter 741, and the output end of the torque sensor of the torque strength training component and the input end of the digital torque display meter are respectively connected with the controller of the control cabinet. In the embodiment, the torque strength training component adopts a TJN-5 torque sensor with the range of 0-200 Nm. The torque strength training component 740 is used for training whether the fastening torque of the fastening and insurance training subsystem practice training block meets the design requirements.

As shown in fig. 19, the circuit of the circuit measurement training module includes a voltage stabilizing chip IC1, a signal generator chip IC2, a diode D1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3 and an indicator light L1, a pin 1 of the voltage stabilizing chip IC1 is connected to one end of the resistor R1, a test hole CK4 is provided at a connection end of the voltage stabilizing chip IC1 and the resistor R1, the other end of the resistor R1 is connected to a positive power supply via a switch, a test hole CK3 is provided at a connection end of the resistor R1 and the positive power supply, a pin 2 of the voltage stabilizing chip IC1 is connected to a negative power supply, a test hole CK2 is provided at a connection end of the voltage stabilizing chip IC1 and the negative power supply, a pin 3 of the voltage stabilizing chip IC1 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to a pin 7 of the signal generator chip IC2 via a switch, a pin 3 of the voltage stabilizing chip IC1 is provided with a pin 5, a connection end of the resistor R2 and a connection end of the signal generator chip IC2 is provided with a test hole CK6, and a connection end of the signal generator chip IC2 is provided with a test hole CK9; the No. 8 pin of the signal generator chip IC2 is connected with the No. 3 pin of the voltage stabilizing chip IC1 through a relay J10-2, and the No. 8 pin of the signal generator chip IC2 is provided with a test hole CK14; a pin 4 of the signal generator chip IC2 is connected with a pin 3 of the voltage stabilizing chip IC1 through a switch, and a pin 4 of the signal generator chip IC2 is provided with a Huhu test hole CK16; one end of a capacitor C1 is connected with the negative electrode of a power supply, the other end of the capacitor C1 is connected with a No. 6 pin of a signal generator chip IC2 through a relay J12-2, a test hole CK12 is formed in the end part, connected with the relay J12-2, of the capacitor C1, and a test hole CK13 is formed in the No. 6 pin of the signal generator chip IC 2; one end of a capacitor C2 is connected with a pin No. 1 of the signal generator chip IC2, the other end of the capacitor C2 is connected with a pin No. 5 of the signal generator chip IC2 through a switch, a test hole CK20 is formed in the end part, connected with the signal generator chip IC2, of the capacitor C2, and a test hole CK21 is formed in the end part, connected with the negative pole of the power supply, of the capacitor C2; the pin No. 1 of the signal generator chip IC2 is connected with the negative electrode of the power supply through a relay J11-2, the pin No. 1 of the signal generator chip IC2 is provided with a test hole CK15, and the pin No. 5 of the signal generator chip IC2 is provided with a test hole CK19; the anode of the diode D1 is connected with a pin No. 7 of the signal generator chip IC2 through a switch, the cathode of the diode D1 is connected with a pin No. 2 of the signal generator chip IC2 through a relay J11-3, the anode of the diode D1 is provided with a test hole CK8, and the cathode of the diode D1 is provided with a test hole CK10; a pin No. 2 of the signal generator chip IC2 is provided with a test hole CK11; one end of the resistor R3 is connected with the anode of the diode D1 through a switch, the other end of the resistor R3 is connected with the cathode of the diode D1, a test hole CK7 is arranged at the connecting end of the resistor R3 and the anode of the diode D1, and the connecting end of the resistor R3 and the anode of the diode D1 is connected with the end of the resistor R2 provided with a test hole CK6 through a switch; the end part of the resistor R3 connected with the cathode of the diode D1 is provided with a test hole CK10, and the end part of the resistor R3 connected with the cathode of the diode D1 is connected with the end part of the capacitor C1 provided with a test hole CK12 through a switch; the No. 6 pin of the signal generator chip IC2 is connected with the No. 2 pin of the signal generator chip IC2 through a relay J11-1; one end of the indicator light L1 is connected with the positive electrode of the power supply through the switch, and the other end of the indicator light L1 is connected with the negative electrode of the power supply through the relay J10-3 and the relay J1; the end part of the indicator light L1 connected with the positive pole of the power supply is provided with a test hole CK22 and is connected with a No. 3 pin of the voltage stabilizing chip IC1 through a relay J12-1; a test hole CK23 is formed in the end portion, connected with the power supply cathode, of the indicator light L1, and a test hole CK25 is formed in the end portion, connected with the power supply cathode, of the relay J1; no. 3 pin of the signal generator chip IC2 is connected with one end of a coil of the relay J1 through the relay J12-3, the other end of the coil of the relay J1 is connected with a negative electrode of a power supply, a test hole CK17 is arranged on the No. 3 pin of the signal generator chip IC2, and a test hole CK18 is arranged at the end part of the coil of the relay J1, which is connected with the relay J12-3.

Pseudo-solder circuit connection is simulated through relays J10-2, J11-2 and J12-2; the static contact of the relay J10-2 is connected with the pin No. 3 of the voltage stabilizing chip IC1 through a lead, the movable contact of the relay J10-2 is connected with the pin No. 3 of the voltage stabilizing chip IC1 through a cold joint analog resistor Rx, and the circuit connection structure of the relays J11-2 and J12-2 is similar to that of the relay J10-2. As shown in fig. 26, the control terminal of the relay of the circuit measurement training module is connected to the Arduino UNO interface board of the control cabinet via the photoelectric isolation module.

In the embodiment, short-circuit test points are respectively arranged between the test holes CK4 and CK2, the test holes CK11 and CK13 and the test holes CK5 and CK 22; open circuit test points are arranged between the test holes CK17 and CK18, the test holes CK23 and CK24 and the test holes CK10 and CK11; dummy solder test points are formed between the test holes CK12 and CK13, the test holes CK5 and CK14, and the test holes CK2 and CK 15.

As shown in fig. 6, when performing circuit measurement training, a teacher sets a circuit fault through an operation interface of the actual operation training board block of the circuit measurement training subsystem, a computer running a software program of the aviation maintenance skill simulation training system outputs a control signal to a corresponding relay through a controller, the relay acts, and a circuit fault is formed in the circuit measurement training module for a student to detect, judge and analyze, thereby training the circuit fault detection and analysis capability of the student. A student uses a universal meter to detect and analyze the circuit through a test hole in the circuit measurement training module, a circuit fault detection analysis result is filled in a real operation training test question of a real operation training block of the circuit measurement training subsystem, and the system automatically judges whether the fault analysis result of the student is correct or not.

As shown in fig. 18, the electric connector training module comprises circular three-pin connector sockets CZ1, CZ2, CZ3, CZ4, circular four-pin connector sockets CZ5, CZ6, duplex square twelve-pin connector socket CZ7, square six-pin connector socket CZ8, and circular six-pin connector socket CZ9; the connector plugs CT1 and CT2 are respectively matched with the connector sockets CZ1 and CZ2, and the connector plug CT1 is connected with the connector plug CT2 through a cable; connector plugs CT3 and CT4 are respectively matched with the connector sockets CZ3 and CZ4, and the connector plug CT3 is connected with the connector plug CT4 through a cable; connector plugs CT5 and CT6 are respectively matched with the connector sockets CZ5 and CZ6, and the connector plug CT5 is connected with the connector plug CT6 through a cable; the connector plug CT7 is matched with the connector socket CZ7, and the connector plugs CT8 and CT9 are connected with the connector plug CT7 through cables respectively; each pin of the connector socket CZ1-9 is provided with a corresponding test hole; a test hole K12 of a No. 2 pin of the connector socket CZ1 is connected with the No. 2 pin through a relay J15-1; the test hole K31 of the No. 1 pin of the connector socket CZ3 is connected with the No. 1 pin through a relay J16-1; a test hole K54 of a No. 4 pin of the connector socket CZ5 is connected with the No. 4 pin through a relay J16-2; the No. 3 pin of the connector socket CZ5 is connected with the No. 2 pin of the connector socket CZ5 through a relay J17-1; the test hole K713 of the A3 pin of the connector socket CZ7 is connected with the A3 pin through a relay J17-2; the pin B5 of the connector socket CZ7 is connected with the pin A4 thereof through a relay J15-2; the pin No. 1 of the connector socket CZ1 is connected to the positive electrode of the power supply through the relay J19, and the pin No. 3 of the connector socket CZ1, the pin No. 2 of the connector socket CZ3, the pin No. 3 of the connector socket CZ3, the pin No. 1 of the connector socket CZ5, the pin No. A1 of the connector socket CZ7, the pin A2 of the connector socket CZ7, the pin A5 of the connector socket CZ7, the pin A6 of the connector socket CZ7, the pin B1 of the connector socket CZ7, the pin B2 of the connector socket CZ7, the pin B3 of the connector socket CZ7, the pin B4 of the connector socket CZ7, and the pin B6 of the connector socket CZ7 are connected to the test hole K11 of the pin No. 1 of the connector socket CZ 1. The No. 3 pin of the connector socket CZ5 and the B5 pin of the connector socket CZ7 are connected with the contact of the relay J19; the No. 2 pin of the connector socket CZ1 is connected with the positive electrode of a power supply through a relay J18, the No. 1 pin of the connector socket CZ3, the No. 4 pin of the connector socket CZ5 and the A3 pin of the connector socket CZ7 are connected with a test hole K12 of the No. 2 pin of the connector socket CZ1, and the No. 2 pin of the connector socket CZ5 and the A4 pin of the connector socket CZ7 are connected with a contact of the relay J18; the pin No. 1 of the connector socket CZ4 and the pin No. 3 of the connector socket CZ8 are respectively connected with the negative pole of a power supply through resistors; a fixed contact of the relay J16-1 is connected with a pin No. 1 of the connector socket CZ3 through a lead, and a movable contact of the relay J16-1 is connected with a pin No. 1 of the connector socket CZ3 through a rosin joint simulation resistor Rx; the circuit connection structure of the relay J17-2 is similar to that of the relay J16-1; the relay J16-1 and the relay J17-2 are respectively used for simulating the insufficient soldering of a No. 1 pin of the connector socket CZ3 and an A3 pin of the connector socket CZ 7; the relay J15-1 and the relay J16-2 are respectively used for simulating the open circuit of the No. 2 pin of the connector socket CZ1 and the No. 4 pin of the connector socket CZ 5; the relay J17-2 and the relay J15-2 are respectively used for simulating pin short circuit of the connector socket CZ5 and the connector socket CZ 7.

In the embodiment, the pin No. 2 of the connector socket CZ1 and the corresponding test hole K12 can be set to be open circuit through the relay J15-1, and the pin No. 4 of the connector socket CZ5 and the corresponding test hole K54 can be set to be open circuit through the relay J16-2; no. 2 pin and No. 3 pin of the connector socket CZ5 can be set to be in adhesion fault through a relay J17-1, and No. B5 pin and No. A4 pin of the connector socket CZ7 can be set to be in short circuit fault through a relay J15-2; a gap between the No. 1 pin of the connector socket CZ3 and the corresponding test hole K31 can be set to be a cold joint fault through a relay J16-1, and a gap between the No. 3 pin of the connector socket CZ7 and the corresponding test hole K713 can be set to be a cold joint fault through a relay J17-2. Similar to the driving circuit of the relay of the circuit measurement training module, the control end of the relay of the electric connector training module is connected with the Arduino UNO interface board of the control cabinet through the photoelectric isolation module.

During the practice training, the student utilizes the universal meter to measure the test hole that corresponds through cable junction's electric connector socket stitch to judge whether electric connector's electric connection is qualified. Similar to the circuit fault setting of the circuit measurement module, a teacher sets faults such as insufficient soldering, open circuit and short circuit of pins of the electric connector through an operation interface of an actual operation training plate block of the electric connector training subsystem, a computer running a software program of the aviation maintenance skill simulation training system outputs a control signal to a corresponding relay through a controller, the relay acts to form a fault in the electric connector training module 3, a student utilizes a universal meter to detect and analyze the connection condition of the electric connector through a test hole in the electric connector training module, electric connector fault detection and analysis results are filled in actual operation training test questions of the actual operation training plate block of the electric connector training subsystem, and the system automatically judges whether the fault analysis results of the student are correct.

After the aviation maintenance skill practice training device is used up, the outer cabin section 112 of the simulation cabin section assembly 11 is turned downwards, all modules on the main cabin section 111 are enclosed and sealed, the occupied space of the aviation maintenance skill practice training device is minimized, and all the modules are protected from being damaged in the storage or transportation process of the aviation maintenance skill practice training device.

Claims (7)

1. The aviation maintenance skill simulation training system is characterized by comprising a tool use training subsystem, a fastening and insurance training subsystem, a part dismounting training subsystem, an electric welding crimping training subsystem, a circuit measurement training subsystem, an electric connector training subsystem, a binding and finishing training subsystem, a guarantee equipment use training subsystem, a part cleaning and lubricating training subsystem and a marking and marking training subsystem;

the tool use training subsystem provides the identification and use of the tool and the training of the tool borrowing and returning process;

the tool use training subsystem comprises a theoretical learning version block, a theoretical training version block and an actual practice training version block respectively, the theoretical learning version block provides the students with the identification and use of common tools and the theoretical training of a tool management system in the forms of charts, audios, videos and characters, the theoretical training version block provides the students with the identification and use of the tools and the test training of a single choice question or multiple choice questions of a tool borrowing and returning program, and the actual practice training version block provides the students with the identification and use actual practice training test questions of the tools;

a fastening and safety training subsystem for providing knowledge training of fasteners, mechanical anti-loose type safety, friction stop type safety, permanent stop type safety and training of fastening and safety operation process;

the theoretical learning board of the fastening and insurance training subsystem provides the knowledge training of the basic knowledge and mechanical anti-loose insurance, friction locking insurance and permanent locking insurance of the fastening piece and the training of the fastening and insurance operation process; the theoretical training plate of the fastening and insurance training subsystem provides the trainees with the test question training of single choice questions or multiple choice questions of fastening and insurance; the fastening and insurance training subsystem practice training plate block provides a fastening and insurance practice training test question for the trainees;

the part disassembly and assembly training subsystem is used for providing training for the structure, identification, damage reason and preventive maintenance measures of the aviation parts;

the machine part disassembly and assembly training subsystem theoretical learning board provides students with the theoretical training of disassembly and assembly of various conduits, plugs, identification, damage reasons, prevention and maintenance measures and airplane skins, conduits, airborne equipment, parts and common buttons in the forms of charts, videos and characters; the machine part disassembly and assembly training subsystem theoretical training plate block provides the trainees with the test question training of single choice questions or multiple choice questions of machine part disassembly and assembly; the part disassembly and assembly training subsystem actual operation training board block provides the students with part disassembly and assembly actual operation training test questions;

the tightness inspection training subsystem is used for providing theoretical training of pipeline application and pipeline tightness inspection operation processes, testing of pipe group tightness and actual operation training of pipeline inspection leakage points;

the theoretical learning board of the tightness inspection training subsystem provides basic knowledge of metal pipes and rubber pipe connecting pipelines and theoretical training of tightness inspection processes for students in the forms of charts, videos and characters; the theoretical training plate of the tightness inspection training subsystem provides the students with test question training of single choice questions or multiple choice questions of tightness inspection; the sealing inspection training subsystem actual operation training plate block provides the students with the actual operation training test questions of sealing inspection and fault elimination;

the electric welding and crimping training subsystem is used for providing theoretical training of welding, crimping and electrostatic protection of electronic components, plugs, keys and cables;

the electric welding and crimping training subsystem theory learning board block provides students with theory training of welding and crimping of electronic components, plugs, keys and cables and electrostatic protection through charts, videos and character forms; the theory training module of the electric welding crimping training subsystem provides the trainees with the test training of single choice questions or multiple choice questions of electric welding crimping; the electric welding crimping training subsystem actual operation training board block provides the students with electric welding crimping actual operation training test questions;

the circuit measurement training subsystem is used for providing circuit detection and analysis and judgment of fault welding, short circuit and open circuit of the circuit;

the circuit measurement training subsystem theoretical learning board provides students with theoretical training of circuit detection, circuit disconnection, rosin joint, disconnection and adhesion fault analysis and judgment through charts, videos and character forms; the circuit measurement training subsystem theoretical training plate provides test question training of single choice questions or multiple choice questions of circuit measurement; the circuit measurement training subsystem actual operation training board block provides actual operation training test questions of circuit detection for the trainees;

the electric connector training subsystem provides electric connector knowledge, electric connector process and electric connector cold solder joint, short circuit, open circuit and adhesion fault analysis and judgment;

the electric connector training subsystem theoretical learning board provides students with theoretical training of identification, plugging, decomposition and assembly of electric connectors of the same type through charts, videos and character forms, the electric connector types comprise JY series, XKE series, ZH series, YB series, Y11/Y50 series and PD series, and the electric connector types comprise duplex square, simplex square, common circle and buckle quick connection types; the theoretical training plate of the electric connector training subsystem provides the trainees with the test question training of single choice questions or multiple choice questions of the electric connector; the electric connector training subsystem actual operation training plate block provides the actual operation training test questions of the electric connector for the trainees;

a binding, binding and finishing training subsystem which provides theoretical training of binding finishing methods and binding finishing processes;

the theoretical learning board of the binding, binding and finishing training subsystem provides theoretical training of binding, binding and finishing of aviation cables for students in the forms of charts, videos and characters, so that the students are familiar with and master various common aviation plug wire harness decomposition and combination methods and cable binding, binding and finishing methods and skill requirements; the binding, binding and arranging training subsystem is used for theoretical learning of the plate and providing the students with test question training of single choice questions or multiple choice questions for binding, binding and arranging; the practice training board of the binding, binding and finishing training subsystem provides practice training test questions for binding, binding and finishing for the trainees;

a machine element cleaning and lubricating training subsystem, which provides knowledge of cleaning oil and lubricating grease and theoretical training of cleaning and lubricating processes of machine elements, pipelines, joints, electrical contacts, circuit boards, connectors and steel cables;

the theoretical training of ground power plugs, oil supplement interfaces, cold air additional interface plugs, interface connections, plugging, ground safety bolt connection, engine exhaust pipe plugging disassembly and assembly and steel cable tension measurement is provided for students by a theoretical learning version block of a guarantee equipment use training subsystem in the form of charts, videos and characters; the theoretical training plate of the support equipment use training subsystem provides the students with test question training of single choice questions or multiple choice questions; the actual exercise training board block of the training subsystem for guaranteeing the use of the equipment provides the actual exercise training test questions for guaranteeing the use of the equipment for the student;

the machine part cleaning and lubricating training subsystem theoretical learning board block provides students with theoretical training of pipelines, joints, steel cable force measuring devices, ground power plugs, ground valves, movable joints, ground safety bolts, airplane skins, bearing machine part cleaning and lubricating, circuit boards, micro switches, buttons and aerial-plug electric machine part cleaning in the forms of diagrams, videos and characters; the theoretical training plate of the machine element cleaning and lubricating training subsystem provides the trainees with the test training of single choice questions or multiple choice questions of machine element cleaning and lubricating; the real operation training board block of the machine part cleaning and lubricating training subsystem provides the trainees with real operation training test questions of machine part cleaning and lubricating;

the theoretical learning version block of the marking and marking training subsystem provides theoretical training of basic knowledge, operation methods and attention contents of the marking and marking to students in the forms of charts, videos and characters; the theoretical training plate of the marking and marking line training subsystem provides the trainees with test question training of single choice questions or multiple choice questions of marking and marking lines; the practical exercise training plate block of the marking and marking line training subsystem provides practical exercise training test questions of marking and marking lines for the trainees;

the system also comprises an aeronautical engineering maintenance skill practical operation training device, wherein the practical operation training device comprises a rack with a containing drawer, a simulation cabin section assembly, an electric welding training platform and a control cabinet, wherein the simulation cabin section assembly, the electric welding training platform and the control cabinet are arranged on the rack;

the practice training device also comprises a machine part dismounting training module, an insurance dismounting and fastening training module, an electric connector training module, a circuit measurement training module, a binding training module, a conduit dismounting module, a tightness inspection training module, a guarantee mounting training module and a tool borrowing and returning management module which are arranged on the main cabin section;

the machine part dismounting training module comprises a switch control box with various aviation switches, a landing switch, a contactor, a steel cable group, and a screw cabin cover, a cross pin window cover and a quick-release screw window cover which are arranged on an outer cabin section;

the safety disassembly, assembly and fastening training module comprises a self-locking nut safety group, a clamp spring pin safety group, a cotter pin safety group, a fuse group, a spring pad safety group, a lock plate safety group, a punching point safety group, a double-nut safety group, a stud fastening group, a fixing pin group, a screw fastening group and a pipeline fastening group;

the electric connector training module comprises a plurality of groups of electric connector sockets which are arranged in pairs, the electric connector sockets in the pairs are connected with each other through a pluggable electric connector cable, each electric connector socket is provided with a corresponding number of test jacks according to the number of pins of the electric connector socket, and the pins of the electric connector socket are electrically connected with the conductive terminals of the corresponding test jacks; pins of the electric connector socket simulating open circuit or cold solder joint are connected with conductive terminals of the corresponding test jacks through a relay, a control end of the relay is connected with a controller, and the open circuit module or the cold solder joint simulation is set by controlling the relay; two pins of the electric connector socket simulating the short circuit are connected through a relay, the control end of the relay is connected with a controller, and the short circuit is set by controlling the relay;

the electric welding training table comprises an electronic element welding operation table top, and an illuminating lamp, an electric leakage protection switch, a circuit board power supply interface and an electric welding interface which are arranged above the electronic element welding operation table top, and further comprises a drawer which is arranged below the electronic element welding operation table top and used for containing soldering tin wires and soldering flux;

the control cabinet comprises a cabinet body arranged on the rack, a computer host arranged in the cabinet body, and a touch display, a data acquisition card and a controller which are respectively connected with the computer host, wherein the control end of the relay group is connected with the controller through a photoelectric coupler, and the contacts of the relay group are respectively connected with the circuit measurement training module and the electric connector training module;

the circuit measurement training module comprises a signal generating circuit, a relay and a plurality of test holes are arranged in a plurality of branches of the signal generating circuit, the control end of the relay is respectively connected with the controller, the controller controls the connection and disconnection of contacts of the relay in the signal generating circuit branches, and the disconnection, cold solder simulation, disconnection and adhesion faults of the signal generating circuit branches are simulated and are used for training the circuit measurement and circuit fault analysis and judgment capacity of a student;

the binding training module comprises a plurality of groups of one-to-two cables which are vertically arranged and one-to-many cables which are crossed with the cables and are transversely arranged;

the guide pipe disassembling and assembling module comprises an oil seal training pipe set and an air seal training pipe set, wherein the oil seal training pipe set comprises a plurality of sections of metal guide pipes, and the end parts of the adjacent metal guide pipes are connected through a pipeline joint; the top of the oil-tight training pipe group is provided with an oil-way exhaust joint, and the bottom of the oil-tight training pipe group is provided with an oil-way oil drain joint;

the airtight training pipe group comprises a metal conduit, a cloth-sandwiched rubber pipe and a rubber hose; the two ends of the cloth-sandwiched rubber tube and the rubber hose are respectively connected with the end parts of the adjacent metal conduits through connecting joints; the end parts of the adjacent metal guide pipes are connected through a pipeline joint;

the guarantee loading training module comprises a ground power plug, an oil supplementing port, a cold air adding port, a blocking cover, a plug, a ground safety bolt and an engine exhaust pipe blocking cover;

the tool borrowing and returning management module comprises a tool list storage box arranged on the side face of the control cabinet, a slot arranged on the top face of the control cabinet and used for containing a scanning gun, a plurality of trays used for storing training tools and the scanning gun used for scanning codes for the tools.

2. The aircraft maintenance skill simulation training system of claim 1, further comprising a training management module, said training management module comprising trainee management, test question management, test paper management and exam score management sub-modules;

the student management submodule provides informatization management of student numbers, names, specialties, posts and rank order;

the test question management sub-module is used for providing the informatization management of the test question contents and the test question answers of the theoretical training question bank and the practice training question bank;

the examination paper output management submodule is used for providing examination paper selection questions according to the major, setting a check line and examination duration, and selecting students taking the examination;

the examination result management sub-module provides the information management of examination paper, students, results, qualification and examination time.

3. The aircraft maintenance skill simulation training system of claim 2, wherein the training management module further comprises an equipment management sub-module, wherein the equipment management sub-module provides information management of the training equipment and the equipment and spare and accessory parts of the equipment.

4. The aircraft maintenance skills simulation training system according to claim 3, wherein the training management module further comprises a training media asset management sub-module, the training media asset management sub-module providing information management of media types, media asset data, media asset drivers, paths or addresses of media assets.

5. The aircraft maintenance skill simulation training system according to claim 1, wherein the aircraft maintenance skill practice training device further comprises an air tightness inspection training module, the air tightness inspection training module comprises an air passage inspection submodule, the air passage inspection submodule comprises an air source switch, a pressure reducing valve, an air passage safety valve, an air passage test switch and an air delivery pipeline which are sequentially connected, an air conditioner bottle is connected with the input end of the air delivery pipeline through an air bottle switch, the air conditioner bottle is provided with an air source pressure gauge, and the air delivery pipeline is provided with an air passage test pressure gauge, an air pressure detection port, an air pressure sensor, an air conditioning filling switch and an air passage pressure relief switch; the output end of the gas transmission pipeline is connected with the input end of the airtight training pipe group on the simulation cabin section component through the cabin section gas circuit switch.

6. The aircraft maintenance skill simulation training system according to claim 5, wherein the tightness inspection training module further comprises an oil passage inspection submodule, the oil passage inspection submodule comprises an oil conveying pipeline and a cabin oil passage switch, the oil conveying pipeline is connected with a pump station, an oil passage test pressure gauge is arranged on the oil conveying pipeline, and an oil filling switch is arranged at the connection end of the oil conveying pipeline and the pump station; the output end of the oil conveying pipeline is connected with the input end of an oil seal training pipe set on the simulation cabin section assembly through a cabin section oil circuit switch.

7. The aircraft maintenance skill simulation training system according to claim 6, wherein a movable joint is arranged on the support beam of the simulation cabin segment assembly, the movable joint comprises a support, a shaft core, a lining and a locking nut, a joint bearing is connected with the lining through a connecting rod, an oil injection nozzle is arranged in the middle of the shaft core, and the movable joint is used for actual operation training of the part cleaning and lubrication training subsystem.

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