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198 results about "Aircraft manufacturing" patented technology

Aircraft part production quality optimization method based on data analysis

The invention relates to the technical field of aircraft manufacturing, and discloses an aircraft part production quality optimization method based on data analysis. The method comprises the following steps: collecting multi-process real-time processing parameters and quality inspection data of a production line, and generating a dynamic quality weight matrix according to a process parameter coupling degree; extracting process path difference characteristics of qualified products and unqualified products in historical batches, and encoding the process path difference characteristics as a quality evolution chain matched with adjacent process parameter mutation relevance; optimizing process parameters at a quality evaluation node, driving a parameter combination to iterate to minimize quality fluctuation, generating an adjustment amount, updating an evolution chain constraint coefficient, and synchronously constructing a stability evaluation function of a correlation weight matrix and a defect propagation path; triggering process compensation according to an adjustment amount gradient, and verifying the cohesion through a tolerance rule by taking a reference parameter matched with the target evolution chain as compensation data; and generating a feedback matrix by using the quality fluctuation index and the compensation result, and correcting the mapping relation between the weight matrix and the evolution chain.
Owner:CHENGDU SEN BO PRECISION MASCH CO LTD

Aircraft manufacturing, measuring and positioning method

The invention belongs to the technical field of measurement and positioning, and particularly relates to an aircraft manufacturing measurement and positioning method, which deeply combines an interference networking measurement method and a space coordinate measurement method of a laser tracker, adopts interference networking to construct a global coordinate system # imgabs0 # by reference control TB points in a small amount of open space, and performs re-system by reference control TB points in an effective distance measurement range. According to the method, an expanded reference ERS point is expanded, a local expanded reference system # imgabs1 # is established to measure and position a local measurement object, the sequence and boundary of global measurement and local measurement in the measurement process according to size chain superposition are defined, and the method has high measurement precision.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Process procedure compiling method and system for aircraft component assembly connection and storage medium

The invention relates to the technical field of aircraft manufacturing, and discloses an aircraft component assembly and connection technological procedure compiling method and system and a storage medium, and the method comprises the steps: firstly constructing an aircraft component assembly and connection technological procedure template and an aircraft component assembly and connection technological parameter library according to aircraft component assembly and connection technological requirements and technological processes; then, according to key conditions influencing the process procedure of the aircraft component assembly and connection process procedure template, connection process parameters are obtained; and finally, according to the assembly digital-analog information and the call-in connection process parameters, filling the aircraft component assembly connection process procedure template to complete the compiling of the aircraft component assembly connection process procedure, so that the efficient and accurate compiling of the aircraft component assembly connection process procedure is realized, and the problem that in the prior art, the compiling efficiency is high is solved. The technical problems of low process procedure compiling efficiency and poor accuracy of aircraft component assembly connection exist in the prior art.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Intelligent shape maintaining tool and shape maintaining method for airplane fuselage butt joint face

The invention relates to the technical field of aircraft manufacturing process equipment, in particular to an intelligent shape maintaining tool and method for a butt joint face of an aircraft fuselage, and is suitable for shape maintaining of the aircraft fuselage in the hoisting and assembling process, especially in the three-section butt joint process. The core of the tool is a machine body butt joint surface stress monitoring system composed of force sensors and a passive control system composed of servo electric push rods. The shape maintaining tool is composed of a shape maintaining frame, an inner shape clamping plate, a force sensor and a servo electric push rod, the force sensor is fixed to the inner shape clamping plate and makes direct contact with the inner side of the machine body to monitor the stress state of the butt joint face, the bottom of the servo electric push rod is connected with the shape maintaining frame, and the top of the servo electric push rod is connected with the clamping plate to adjust the stress state of the butt joint face. The problem that a traditional shape maintaining tool cannot achieve self-sensing and self-control is solved, the requirements for high precision and low stress of aircraft fuselage assembly are met, and the fuselage assembly quality is remarkably improved.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Adjusting device and auxiliary mounting equipment for aircraft landing gear

The invention discloses an adjusting device and aircraft landing gear auxiliary mounting equipment, and relates to the technical field of aircraft manufacturing equipment.The adjusting device comprises a first adjusting mechanism, a second adjusting mechanism, a fixing mechanism and a driving mechanism; the first adjusting mechanism is provided with a first seat body; the second adjusting mechanism is provided with a second seat body and a third seat body, the second seat body is rotatably mounted on the first seat body along the axis in the vertical direction, and the third seat body is rotatably mounted on the second seat body along the axis in the left-right direction; the fixing mechanism is mounted on the third seat body and is used for being fixedly connected with an aircraft landing gear; and the driving mechanism is in driving connection with the second seat body and the third seat body so as to adjust the position and the posture of the fixing mechanism in the space. According to the technical scheme provided by the invention, the technical effect of adjusting the attitude of the aircraft landing gear is achieved through the second seat body and the third seat body which are rotationally arranged.
Owner:WUHAN BORUI ELECTROMECHANICAL EQUIP CO LTD

Detailed process design method and system for aircraft component assembly and medium

The invention relates to the technical field of aircraft manufacturing, and discloses a detailed process design method and system for aircraft component assembly and a medium, and the method comprises the steps: building a process procedure template corresponding to an assembly scene according to an assembly process flow and a standard process library; according to the method, technological procedure node planning and technological procedure material planning are carried out from the two dimensions of assembling scene space and time, a technological parameter library is established according to technological knowledge and technological rules, and finally technological procedure document compiling is automatically carried out, so that the detailed airplane component assembling technology is efficiently and accurately designed, and the design efficiency is improved. The technical problems that according to existing aircraft assembly technology design, technological procedure compiling is not combined with the assembly technological process, the technological procedure compiling efficiency is low, and the technological procedure compiling accuracy is low are solved.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Cluster robot cross-view collaborative sensing method and system for aircraft manufacturing

The invention discloses an aircraft manufacturing-oriented cluster robot cross-view collaborative sensing method and system, and the method comprises the steps: building a multi-robot collaborative sensing platform, collecting large-range three-dimensional point cloud data through a laser radar, and obtaining the poses of robots in real time in combination with a motion capture system; constructing a collaborative detection data set comprising a training set, a verification set and a test set; a point cloud collaborative three-dimensional detection model based on cross-view-angle consistency space mapping is innovatively designed, three core modules of multi-agent feature extraction, cross-view-angle feature fusion and cross-view-angle consistency-difference feature reconstruction are included, multi-robot perception collaboration is achieved through hierarchical feature interaction, model parameters are optimized by adopting a joint loss function, and multi-robot perception collaboration is achieved. And finally, verifying the effectiveness and generalization ability of the method in a complex industrial scene on a verification set and a test set, and carrying out platform deployment. The adaptive capacity and expression integrity of the system to a complex structure environment are improved, and multi-agent collaborative perception is more efficient and reliable.
Owner:HUNAN UNIV

Civil aircraft cable laying quality evaluation method and system based on 3D scanning reconstruction technology

The invention discloses a civil aircraft cable laying quality evaluation method and system based on a 3D scanning reconstruction technology. The quality evaluation method comprises the following steps: 1) data acquisition; 2) cable segmentation; 3) performing three-dimensional reconstruction; 4) calculating parameters; 5) quality evaluation; and 6) performing man-machine interaction. According to the method, a computer vision technology and a three-dimensional reconstruction method are combined, and a high-precision, high-efficiency, objective and consistent solution is provided for cabin cable laying quality evaluation, so that the quality and efficiency of aircraft manufacturing are improved, and a more reliable guarantee is provided for aviation safety.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Adjustable inclined support for aircraft fixture

The utility model discloses an adjustable inclined support for an aircraft fixture, which relates to the technical field of aircraft manufacturing and comprises a base, hydraulic cylinders are fixedly connected to the periphery of the top of the base, a second rotating rod is movably connected to the middle end of the top of the base, and a second driven gear is fixedly connected to the upper end of the outer surface of the second rotating rod. Multi-degree-of-freedom and composite adjustment is achieved, the four hydraulic cylinders acting independently can achieve overall lifting and horizontal leveling of the support platform, stable supporting is provided for an aircraft fixture, a second motor drives a second driving gear to drive a second driven gear and a third supporting plate to rotate with a second rotating rod as the center, and the second rotating rod is driven to rotate. And a third motor drives a worm to be meshed with a deflection block with teeth, the deflection seat is driven to achieve accurate pitching angle deflection adjustment, deflection of the deflection seat can be accurately adjusted, and angle adjustment of the aircraft fixture in different directions can be completed through rotation and deflection matching.
Owner:SHENYANG KLITE AEROSPACE EQUIP CO LTD

Curved surface compensation mounting clamp for aircraft fixture

The utility model discloses a curved surface compensation mounting fixture for an aircraft fixture, which relates to the technical field of aircraft manufacturing, and comprises a bottom plate, the left end and the right end of the top of the bottom plate are fixedly connected with clamping components, the top of the bottom plate is fixedly connected with a plurality of groups of first hydraulic cylinders, and the telescopic ends of the first hydraulic cylinders are rotatably provided with rotating frames; a first rotating shaft is movably connected to the surface of the rotating frame, an adjusting block is fixedly connected to the inner side of the first rotating shaft, a connecting plate is fixedly connected to the top of the adjusting block, a second hydraulic cylinder is fixedly connected to the middle end of the top of the connecting plate, and an inner supporting block is fixedly connected to the telescopic end of the second hydraulic cylinder; a plurality of annularly-distributed supporting columns are fixedly connected to the outer side of the top of the connecting plate. The multi-degree-of-freedom adjusting device can be adjusted in a multi-degree-of-freedom mode, corresponding adjustment of the position and the posture of the aircraft fixture is achieved through stretching and retracting of the first hydraulic cylinder, horizontal rotation of the rotating frame and free deflection of the adjusting block, and the aircraft fixture can be rapidly supported.
Owner:SHENYANG KLITE AEROSPACE EQUIP CO LTD

Long truss assembly, stiffened wall plate, stiffened wall plate assembling method and airplane

The invention discloses a stringer assembly, a stiffened wall plate, a stiffened wall plate assembling method and an aircraft, and belongs to the technical field of aircraft manufacturing. The stringer assembly comprises a cap-shaped stringer and a forming die, the cap-shaped stringer comprises a stringer main body and a lap joint part, the stringer main body extends in the first direction and is provided with a cavity, the forming die comprises a containing part extending in the first direction, the containing part is provided with a containing groove, and the lap joint part is provided with a lap joint part. The containing groove extends in the first direction and is opened in one side of the second direction, the containing groove and the opening of the cavity face the same direction, the stringer body penetrates through the opening of the containing groove and is installed in the containing groove, the end, in the first direction, of the containing groove is closed, and the lap joint part is in lap joint with the forming mold. The cap-shaped stringer is blocked by the closed end of the containing groove of the containing part, it is guaranteed that the cap-shaped stringer cannot penetrate through the containing part and pass through the net size area in the skin, the influence on the surface quality of the skin is reduced, and the forming die cost is reduced.
Owner:SHANGHAI AIRCRAFT MFG

An adjustable pressure flexible blank holder loading draw die and method of use

The present application belongs to the technical field of aircraft manufacturing, and discloses a flexible pressure-adjustable blank holder loading drawing die and a use method thereof. The drawing die comprises a female die, a blank holder and a male die. The female die surface is partially matched with the outer surface of a part. The upper surface of the blank holder is provided with a sunken surface matched with the shape of an expanded blank. The working surface of the male die is matched with the lower surface of the inner side area of the root fillet of the part. The female die and the blank holder tightly press the adjustable pressure fluid medium on the upper surface of the expanded blank, and the part is drawn and formed on the male die. The technical problem of concentrated pressure loading and mutual contradiction of traditional drawing and loading is overcome. The fluid medium flexible blank holder mode is adopted, the female die and the flange edge of the part are not in contact and friction, and the die bearing deformation does not affect the uniformity of the blank holder load. The present application has the advantages of good lubrication effect, low die processing cost, strong technical universality and the like.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Split type self-contraction skin tensioner

The utility model belongs to the technical field of aircraft manufacturing and assembling, and particularly relates to a split type self-contraction skin tensioner. The device is composed of a coil spring assembly and a tensioner connecting assembly. The coil spring assembly is composed of a coil spring support, a coil spring, a center shaft and a stop pin, the coil spring support is fixed to the tool framework, self-contraction of the tensioner mainly depends on the automatic reset function of the coil spring, the tensioning belt is wound around the coil spring and rotates around the center shaft, and rotation limiting is achieved at the end of the center shaft through the stop pin; the coil spring is connected with the tensioner connecting assembly through a tensioning belt; the tensioner connecting assembly is composed of a bottom support, a stop plate button, a tensioning wrench, a rotating shaft, a butterfly piece, a torsion spring, a ratchet wheel, an upper baffle, a lower baffle, a compression spring, a center shaft, a stop pin, a tensioning belt and a stop plate. By the adoption of the coil spring device, the self-contraction function can be achieved, and the problem that the tensioning belt is inconvenient to store is solved.
Owner:SHAANXI AIRCRAFT CORPORATION

Quick identification tooling for aircraft connector parts

This invention relates to the field of aircraft manufacturing and maintenance technology, and in particular to a rapid identification fixture for aircraft connector parts. The fixture includes a worktable and an identification structure. The identification structure includes a connecting fixing plate, a reference positioning plate, a connecting positioning component, a first movable slider, and a first identification component. When using this rapid identification fixture to identify aircraft connector parts, the aircraft connector part to be identified is fixed to the connecting fixing plate by the connecting positioning component. Using the reference positioning plate and the connecting positioning component as a reference, the first movable slider is moved along the length of the first sliding groove until it contacts one corner surface of the aircraft connector part to be identified. The aircraft connector part is identified based on the distance between the first movable slider and the reference positioning plate at this point. This significantly improves the identification efficiency of aircraft connector parts and reduces the identification cost.
Owner:AVIC CHENGFEI COMML AIRCRAFT COMPANY

Aircraft section docking device

The present application relates to the field of aircraft manufacturing equipment, in particular to an aircraft section butt joint device, which comprises a fixed section support mechanism and a butt joint section support mechanism, at least one of the fixed section support mechanism and the butt joint section support mechanism is provided with a moving support device capable of moving along the section axial direction to the other, and at least one of the fixed section support mechanism and the butt joint section support mechanism is provided with a rotating support device capable of driving the corresponding section to rotate. In use, when the sections to be connected are centered, the moving support device can be used to drive the sections to move close to each other, and the rotating support device can be used to drive the sections to be screwed to each other, so as to realize the butt joint of the threaded connection sections, and solve the problem that the existing section butt joint device cannot realize the butt joint between the threaded connection sections.
Owner:ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD

Teaching interaction method, cloud server and aircraft

The invention discloses a teaching interaction method, a cloud server and an aircraft, and the teaching interaction method is applied to the cloud server, and comprises the steps: responding to the received preset information, obtaining the inspection list teaching data corresponding to the preset information according to a preset rule, and the preset information comprises an interaction request and / or the operation data of the aircraft; the inspection list teaching data comprises an inspection task of an aircraft, safety and operation standards of an operator, design specifications of an aircraft manufacturer and industrial standards; sending the checklist teaching data to a user side to control the user side to display the checklist teaching data; and receiving an interaction result of the user side for the checklist teaching data, and making a response. Therefore, according to the technical scheme of the invention, a teaching training mode with high flexibility and low cost can be provided, so that the use training of the aircraft checklist can be better realized.
Owner:上海沃兰特航空科技股份有限公司

Separated double-sided energy conducting rib and preparation method of energy conducting rib

The invention belongs to the technical field of aircraft manufacturing, and discloses a separated double-sided energy conducting rib and a preparation method of the energy conducting rib, the separated double-sided energy conducting rib comprises a base plate and energy gathering structures, the two sides of the base plate in the first direction are each provided with a plurality of energy gathering structures distributed at intervals, each energy gathering structure is a pyramid boss, the edge apex angle of each pyramid boss is alpha, and the edge apex angle of each pyramid boss is alpha; and alpha is not less than 60 degrees and not more than 120 degrees. According to the ultrasonic welding device, the energy gathering structures are arranged on the two sides of the base plate, so that during ultrasonic welding operation, the surfaces of welding workpieces on the upper side and the lower side can be started at the same time, the uniformity of a welding area is improved, the strength of a welding interface is improved, and the energy gathering structures are pyramid bosses, so that the focusing effect is enhanced; by limiting the edge apex angle alpha, on one hand, excessive focusing and too fast temperature rise caused by too small edge apex angle are avoided, and on the other hand, unobvious focusing effect, slow melting speed, prolonged welding time and reduced welding efficiency caused by too large edge apex angle are avoided.
Owner:SHANGHAI AIRCRAFT MFG

A cluster-based skeleton process procedure planning method and system and a storage medium

The application relates to the technical field of aircraft manufacturing, and discloses a skeleton process procedure planning method and system based on clustering and a storage medium, which comprises the following steps: constructing a skeleton part set and setting an assembly threshold and a distance threshold used for classifying skeleton parts; obtaining the centroid coordinates of each skeleton part in the skeleton part set; randomly selecting the centroid of k skeleton parts from the skeleton part set to form k clusters; distributing the skeleton parts into the k clusters to form k cluster part subsets; obtaining the centroid coordinates of each cluster part subset; calculating the contour coefficients of the skeleton parts, obtaining the skeleton part with the largest distance in the corresponding cluster part subset, and distributing the skeleton part into the cluster part subset with the smallest distance to the skeleton part, so that the classification of the skeleton parts is completed. The application classifies and groups the skeleton parts by using a clustering algorithm based on the centroid coordinates of the skeleton parts in an MBD numerical model, and solves the problems of low classification efficiency and low accuracy during skeleton process procedure planning.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Bogie welding fixing device

ActiveCN224688260UBogieElectric machinery
The utility model relates to aircraft manufacturing and welding auxiliary equipment technical field especially, a bogie welding fixing device, including base, its bottom is provided with the mobile wheel of being convenient for device integral movement, the rotary seat is set up on the surface of base through the rotation structure, can rotate in horizontal direction relative to the base, the utility model discloses through the integral flexible movement of bottom mobile wheel, has solved bogie transfer problem, with the multidirectional adjustment of slider and connecting arm, can adapt to complex structure bogie such as arc, corner, cooperation 'U' clamping arm and the clamping block of two -way screw rod drive, can steady clamping bogie, need not manual support, and through the rotary seat of motor drive and the support rod of worm and worm wheel drive, can accurately adjust the horizontal rotation and inclination angle of bogie, ensure its to be welded position accurate docking aircraft fuselage, effectively promote the welding precision and efficiency.
Owner:XINZHOU HANGRUI METAL PROCESSING CO LTD

Intelligent service request submittal system

ActiveUS12682324B23d user interfaceDatabase
Techniques for aircraft manufacture and product support are described. These techniques include providing a three-dimensional (3D) user interface for an aircraft and identifying a component relating to an area of concern for the aircraft, based on input to the 3D user interface. The techniques further include generating structured text for a service request relating to the area of concern based on the identified component, and submitting the service request to facilitate resolving the area of concern for the aircraft.
Owner:THE BOEING CO

Aircraft super panel internal and external conversion method and device

This application relates to a method and apparatus for converting the inner and outer sides of an aircraft super panel, belonging to the technical field of large aircraft manufacturing. The apparatus includes an inner panel tooling, a conversion component, and an outer panel tooling. The inner panel tooling includes two parallel tracks and multiple panel mounting brackets located in the track mounting area. The conversion component is located in the transfer area of ​​the tracks and on the outside of the two tracks. The outer panel tooling includes a transfer fixing bracket connected to the top of the conversion component and multiple panel transfer brackets located below the transfer fixing bracket. This application replaces the support column structure surrounding the inner panel tooling in the traditional technology by setting two parallel tracks in the inner panel tooling and integrating the conversion component in the transfer area outside the tracks. This modular layout eliminates the need to reserve additional support device installation space around the tooling, allowing the conversion area of ​​the inner and outer panel tooling to be concentrated within the effective working range of the track extension, saving 30%-50% of the ground area compared to the prior art.
Owner:HANGZHOU LEZHENG INTELLIGENT MANUFACTURING CO LTD

Horizontal tail co-curing forming mold

The utility model belongs to the technical field of aircraft manufacturing, and particularly relates to a horizontal tail co-curing forming die which is characterized in that when the horizontal tail co-curing forming die is used, firstly, a skin is laid on a die molded surface, then a beam forming mechanism is installed on the die molded surface, prepreg is laid in the beam forming mechanism, and then the prepreg is formed. And then the rib forming mechanism where the prepreg is laid in advance is fed into the beam forming mechanism and fixed, a vacuum bag is pasted on the outer side of the whole mold and vacuumized, the mold is fed into an autoclave to be cured, demolding is conducted after curing is completed, and the horizontal tail component can be obtained. The horizontal tail component manufactured through the die is formed in a co-curing mode, the components of the horizontal tail do not need to be secondarily connected in a glue joint and / or bolt connection mode, and the structural weight of the horizontal tail is effectively reduced.
Owner:WEIHAI GUANGSHENG AEROSPACE TECH CO LTD

An automated mechanism integrating clamping and riveting

PendingCN122299362AData acquisitionAutomaton
This application relates to an integrated automatic clamping and riveting mechanism, belonging to the fields of aircraft manufacturing and automatic drilling and riveting technology. Utilizing the technical characteristics of compressed air within a pneumatic structure, it can buffer changes in clamping force during the riveting process, thereby ensuring stable clamping force during the riveting movement. A single displacement sensor enables multifunctional data acquisition, including recording the clamping thickness and the height of the riveted object, saving costs and reducing the burden on the data acquisition system.
Owner:AVIC SAC COMML AIRCRAFT

An image recognition-based aviation assembly manufacturing process data checking method and device

The present application relates to the field of aircraft manufacturing production management and control, and particularly relates to an aviation assembly manufacturing process data verification method and device based on image recognition. The method comprises the following steps: firstly, binding the position information and the camera information to obtain the video data of the production site; secondly, pulling the streaming media data from the video data, intercepting the real-time position map according to a fixed period, and marking the real-time position map; further, pre-processing and calculating the pre-acquired empty position map and the real-time position map to determine the position state; finally, binding the real-time position map with the corresponding position information in the MES, obtaining the aircraft physical flow information after processing, and comparing and fusing the physical flow information with the information flow data in the MES. The present application can accurately determine the working time of the aircraft at each position, realize the consistency of the physical flow and the information flow, and provide strong support for the precise management and control of the whole life cycle of the aircraft manufacturing.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Power switching mechanism

The utility model relates to the technical field of aircraft manufacturing, in particular to a power switching mechanism. The power switching mechanism comprises a driving shaft, a driven shaft, a telescopic assembly, a universal switching assembly and a locking assembly, the input end of the driving shaft and the output end of the electric drill body are coaxially fixed, the output end of the driven shaft and the output end of the electric drill bit are coaxially fixed, and the telescopic assembly can stretch out and draw back in the axial direction of the telescopic assembly. The universal adapter assembly comprises two universal adapter connectors, any one of the two universal adapter connectors is connected with the output end of the driving shaft and one axial end of the telescopic assembly, the other universal adapter connector is connected with the input end of the driven shaft and the other axial end of the telescopic assembly, and the locking assembly is rotationally connected with the driving shaft and the driven shaft. The locking assembly is switched between the movable state and the fixed state, the locking assembly in the movable state freely adjusts the relative position of the driving shaft and the driven shaft, the locking assembly in the fixed state relatively fixes the driving shaft and the driven shaft, and various machining requirements are met.
Owner:SHANGHAI AIRCRAFT MFG

Machine body manufacturing process procedure planning method and system based on material distribution, medium and equipment

The invention discloses an engine body manufacturing process procedure planning method and system based on material distribution, a medium and equipment, and belongs to the technical field of engine body manufacturing assembly. A mapping model among an assembly scene, a process procedure template and a process procedure material is established; constructing a part assembly relation graph, and identifying an assembly relation; all materials of the product are divided into different material ranges according to assembly scenes; dividing a material range to obtain a plurality of minimum assembly units, and establishing a mapping model of all materials of the product and internal materials of the minimum assembly units; the assembly sequence of the minimum assembly units and the assembly sequence of the corresponding technological procedure nodes are planned; and establishing a mapping model among the minimum assembly unit, the technological procedure template and the technological procedure nodes, and distributing materials in the minimum assembly unit to the corresponding technological procedure nodes to realize technological procedure planning based on material distribution. According to the method, the to-be-assembled materials can be quickly, accurately and completely planned according to a certain sequence, and the planning efficiency and quality of the assembly process procedure are remarkably improved.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Aircraft fuselage skin self-adaptive riveting device

The invention discloses an aircraft fuselage skin self-adaptive riveting device, and relates to the technical field of aircraft manufacturing, the aircraft fuselage skin self-adaptive riveting device comprises a riveting device and a frame, and the frame is provided with an adjusting mechanism and a positioning mechanism; the adjusting mechanism comprises a moving seat, a mounting block is fixedly arranged on the moving seat, and a moving groove is formed in the mounting block. When the riveting equipment moves downwards, the rolling wheels make contact with the fuselage skin first so as to improve the stability of the riveting equipment in the moving process, when the riveting equipment moves in an arc shape, the rolling wheels roll along the surface of the fuselage skin, and in the process, the rolling wheels can be adjusted in a self-adaptive mode according to the radian of the curved surface of the fuselage skin; and the mounting sleeve connected with the roller through the telescopic rod and the cylinder can gradually incline along the rolling direction of the roller, so that riveting equipment sleeved in the mounting sleeve can perform riveting operation on riveting holes in different curved surfaces on the fuselage skin, and the riveting efficiency of the fuselage skin of the airplane is greatly improved.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Aileron integral mold press mold, mold pressing method and aileron

This invention belongs to the field of aircraft manufacturing technology, and provides an integral molding die for an aileron, a molding method, and an aileron. The die includes a lower die, a core die, side dies, and an upper die. The lower die includes a lower die pressing part and a lower fixing part; the lower fixing part is located on both sides of the lower die pressing part and is a protruding structure relative to the lower fixing part. The upper die includes an upper die pressing part and an upper fixing part; the upper fixing part is located on both sides of the upper die pressing part and is a protruding structure relative to the upper die pressing part. The core die is installed at the lower die pressing part and corresponds to the mounting shaft of the aileron. The side die is installed at the lower fixing part. After the lower die, upper die, and side die are closed, the inner surface of the side die is in contact with the ends of the lower die pressing part and the upper die pressing part, and the outer surface is in contact with the inner surface of the upper fixing part, forming a cavity structure corresponding to the shape of the aileron. This invention has the advantages of low cost, simple process, short time, and lighter aileron weight in aileron manufacturing.
Owner:NANJING ZHIWEI COMPOSITE MATERIAL CO LTD +2

Aircraft manufacturing measurement positioning method

The application belongs to the technical field of measurement positioning, and particularly relates to an aircraft manufacturing measurement positioning method, which deeply combines an interference networking measurement of a laser tracker and a spatial coordinate measurement method, uses an interference networking to construct a global coordinate system by using a small number of benchmark control TB points in an open space, carries out a complex system by using the benchmark control TB points in an effective ranging range, expands and enlarges benchmark ERS points, establishes a local enlarged benchmark system to measure and position a local measurement object, and clearly defines the order and limit of the global measurement and the local measurement in the measurement process according to the size chain superposition, and has high measurement precision.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Aircraft radome transport vehicle

The utility model discloses an aircraft radome transport vehicle, and belongs to the field of aircraft manufacturing. The transport vehicle comprises a vehicle body, a lifting mechanism, a clamp, a first adjusting mechanism and a second adjusting mechanism. The vehicle body comprises a first frame, a second frame and trundles, the first frame is located above the second frame, and the trundles are arranged on the second frame. The lifting mechanism is arranged between the first frame and the second frame. The clamp is arranged on the first frame and comprises a first arc-shaped frame and a second arc-shaped frame, and the first arc-shaped frame and the second arc-shaped frame are arranged at the two ends of the first frame. The first adjusting mechanism and the second adjusting mechanism are arranged between the first frame and the clamp, the first adjusting mechanism is used for adjusting the longitudinal positions of the first arc-shaped frame and the second arc-shaped frame on the first frame, and the second adjusting mechanism is used for adjusting the transverse positions of the first arc-shaped frame and the second arc-shaped frame on the first frame. According to the aircraft radome transport vehicle, the first frame can be lifted to enable the clamp to be close to an aircraft radome and then clamp and fix the aircraft radome, operation is easy, safety and reliability are achieved, and the efficiency of aircraft radome transport work is improved.
Owner:GUIYANG TAIRUN AVIATION TECH CO LTD