CN116101506A - Assembly equipment and process for lower wall plate at rear section of middle and rear fuselage of airplane - Google Patents
Assembly equipment and process for lower wall plate at rear section of middle and rear fuselage of airplane Download PDFInfo
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- CN116101506A CN116101506A CN202310371329.8A CN202310371329A CN116101506A CN 116101506 A CN116101506 A CN 116101506A CN 202310371329 A CN202310371329 A CN 202310371329A CN 116101506 A CN116101506 A CN 116101506A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/10—Manufacturing or assembling aircraft, e.g. jigs therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
The invention discloses equipment and a process for assembling a lower wall plate at the rear section of a middle-rear fuselage of an airplane, and relates to the technical field of assembly of lower wall plates at the rear section of the fuselage. The invention comprises a main frame and an auxiliary frame, wherein the inner surfaces of the main frame and the auxiliary frame are respectively fixed with a mounting plate, the lower surfaces of the mounting plates are provided with a plurality of suckers, the wall plates to be assembled are conveniently adsorbed and fixed, a rotating rod is arranged at the upper side between the front main frame and the rear main frame, a plurality of connecting frames are arranged on the rotating rod and matched with the auxiliary frame, a plurality of teeth are fixed on the connecting frames at the central position, gears are meshed at the left sides of the teeth, movable rods are rotatably arranged at the lower sides of the inner parts of the connecting frames, the left ends of the movable rods are hinged with the auxiliary frame, the right ends of the movable rods are fixedly provided with supporting arms, the supporting arms and the inner sides of the auxiliary frames are respectively provided with an electric push rod, the telescopic ends of the electric push rods are connected with clamping plates, the two sides of the wall plates are conveniently clamped and supported, the stability of the wall plates is ensured, and the supporting arms are conveniently adjusted to be lifted upwards, and the wall plates after the assembly is removed from one side.
Description
Technical Field
The invention belongs to the technical field of assembly of lower wall plates at the rear section of a fuselage, and particularly relates to assembly equipment and process of lower wall plates at the rear section of the fuselage in an airplane.
Background
The aircraft assembly is a process of mutually and accurately positioning all parts or assemblies according to the technical requirements of products and assembling the parts or the products by using a specified connecting method, and is influenced by factors such as structural characteristics and structural rigidity, and a large number of connecting means such as riveting and bolting are adopted in the aircraft assembly, so that the assembly of the lower wall plate of the rear section of the rear fuselage in the aircraft needs to be assisted by using assembly equipment.
At present, the assembly equipment of fuselage back end lower wall board behind the aircraft in current is in the use, only has the function of pressing from both sides tightly fixed to the wallboard, and inconvenient wallboard is put in getting, simultaneously because wallboard and skeleton are fixed back volume together is great, after the assembly, inconvenient wallboard after finishing the assembly shifts out, and when implementing the assembly operation, the staff only can follow wallboard one side, influences work efficiency.
In order to solve the problems, the lower wall panel assembly equipment and the process of the rear section of the middle and rear fuselage of the airplane are designed.
Disclosure of Invention
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to assembly equipment for lower wall plates at the rear section of a middle and rear fuselage of an airplane, which comprises a main frame and an auxiliary frame, wherein a plurality of auxiliary frames are sequentially arranged between a front main frame and a rear main frame, the main frame and the auxiliary frames are fixed through a plurality of connecting plates, mounting plates are fixed on the inner side surfaces of the main frame and the auxiliary frames, a plurality of suckers are arranged in the center of the lower surface of each mounting plate, sponge blocks are adhered to the front side and the rear side of the lower surface of each mounting plate, the sponge blocks are mutually matched with the suckers, the aircraft wall plates to be assembled are conveniently adsorbed through the suckers, the purpose of preliminarily fixing the aircraft wall plates is achieved, and the air wall plates are effectively protected by combining the sponge blocks;
the right sides of the upper surfaces of the front and rear main frames are respectively fixed with a fixed plate, a rotating rod is rotatably arranged between the front and rear fixed plates, a plurality of connecting frames are arranged on the rotating rod, the connecting frames are in one-to-one correspondence with the auxiliary frames, a plurality of teeth are fixed on the connecting frames at the central positions, a movable rod is rotatably arranged at one side, far away from the rotating rod, of the connecting frames, the upper side of the right surface of the auxiliary frame is fixed with a fixed frame, the left end of the movable rod is rotatably connected with the fixed frame through a rotating shaft, the right end of the movable rod is fixedly provided with a supporting arm, electric push rods are respectively arranged on the inner sides of the supporting arm and the auxiliary frames, the telescopic ends of the electric push rods are connected with clamping plates, gears are arranged on the left side of the rotating rod and meshed with the teeth, rubber blocks are adhered to the left ends of the supporting arm, the auxiliary frame is matched with the auxiliary frame, the structure is combined, the rotating rod is conveniently adjusted to rotate under the meshing action of the gears and the teeth, the connecting frame is driven to turn over, under the running fit between the movable rod and the fixing frame, the movable rod is combined with the running fit between the movable rod and the connecting frame, the supporting arm is driven to turn over through the movable rod, the right side of the auxiliary frame is opened, the taking and placing of the aircraft wallboard and the framework are facilitated, the assembled aircraft wallboard is conveniently moved out of the right side, the impact injury and damage to the aircraft wallboard caused by moving out the assembled aircraft wallboard and the framework are avoided, the clamping plate is conveniently pushed to move towards the direction close to the aircraft wallboard under the action of the electric push rod, the edges on two sides of the aircraft wallboard are supported, and the stability of the aircraft wallboard in the assembly process is further ensured;
the left side and the right side of the lower surface of the main frame are respectively provided with an upright post, a cavity is formed in the upright post, a first hydraulic cylinder is arranged in the cavity, the telescopic end of the first hydraulic cylinder penetrates through the upper surface of the upright post and is connected with the main frame, the lower side of the auxiliary frame is provided with a second hydraulic cylinder, and the telescopic end of the second hydraulic cylinder is connected with the left side of the lower surface of the auxiliary frame.
Preferably, a climbing frame is fixed between two adjacent auxiliary frames, and a first ladder is rotatably installed on the lower side inside the climbing frame through a damping rotating shaft.
Preferably, the first cat ladder outside activity is provided with the second cat ladder, two T-shaped grooves have been seted up relatively to the first cat ladder outside one side of leaning on, second cat ladder inside surface is fixed with two T-shaped pieces relatively, T-shaped piece and T-shaped groove sliding fit.
Preferably, a plurality of locating holes are formed in the front surface and the rear surface of the first ladder stand, the locating holes are communicated with the T-shaped grooves, threaded holes are formed in the surface of the T-shaped block and are matched with the locating holes, locating bolts are in threaded fit with the front side and the rear side of the surface of the second ladder stand, and the locating bolts are in threaded fit with the locating holes and the threaded holes.
Preferably, the mounting plate is internally provided with a vacuum tube, a plurality of suckers are all installed on the vacuum tube, the upper end of the vacuum tube penetrates through the upper surface of the mounting plate and extends to the inner side of the auxiliary frame, a vacuum pump is arranged in the middle of the inner side of the auxiliary frame, the suction end of the vacuum pump is connected with a connecting tube, and the upper ends of the vacuum tubes are all communicated with the connecting tube.
Preferably, two movable grooves are formed in the upright, a limiting rod is movably arranged in the movable groove, the upper end of the limiting rod is fixedly connected with the main frame, two limiting grooves are formed in one surface of the outer side of the upright, the two limiting grooves are communicated with the movable groove, and a limiting block is fixed on the lower side of the surface of the limiting rod and matched with the limiting grooves.
Preferably, the middle the auxiliary frame upper surface right side is fixed with the mounting bracket, the motor is installed to the inside front side of mounting bracket, the gear sets up at the inside rear side of mounting bracket, just motor output shaft is connected with the gear.
Preferably, reinforcing plates are fixed between two adjacent auxiliary frames, and rubber seats are fixed at the lower ends of the upright post, the second hydraulic cylinder and the second crawling ladder.
An assembly process of assembly equipment for a lower wall plate at the rear section of a middle-rear fuselage of an aircraft comprises the following steps:
step one: firstly, a lower wall plate at the rear section of a middle and rear fuselage of an aircraft to be assembled moves to the lower side of a secondary frame, the outer surface of the aircraft wall plate is attached to a sponge block, a vacuum pump is started, negative pressure is provided for a sucker under the combined action of a connecting pipe and a vacuum pipe, the upper surface of the aircraft wall plate is adsorbed, and the primary fixation of the aircraft wall plate is realized;
step two: secondly, starting a motor, driving a gear to rotate, driving a rotating rod to rotate under the meshing action of the gear and teeth, driving a connecting frame to outwards turn over by taking the rotating rod as a center through the rotating rod, enabling the right end of the connecting frame to downwards move, pushing the movable rod to outwards turn over by taking the fixing frame as a center under the rotating fit of the movable rod, the connecting frame and the fixing frame, and stopping running of the motor under the action of a supporting arm until a rubber block is driven to contact with an auxiliary frame;
step three: then, the electric push rod is started to push the clamping plates to move towards the direction close to the aircraft wall plate until the clamping plates at the left side and the right side are contacted with the two sides of the aircraft wall plate, so that the supporting effect is achieved on the edges of the two sides of the aircraft wall plate, and the stability of the aircraft wall plate is ensured;
step four: simultaneously starting the first hydraulic cylinder and the second hydraulic cylinder, pushing the main frame and the auxiliary frame to move upwards to a proper height, moving the frame of the aircraft panel to be assembled from one side to the lower side of the auxiliary frame, driving the first hydraulic cylinder and the second hydraulic cylinder again, pushing the fixed aircraft panel to move downwards, and enabling the frame to be in contact with the inner surface of the aircraft panel;
step five: and finally, assembling and fixing the aircraft wall plate and the framework, wherein in the assembling process, under the sliding fit of the T-shaped block and the T-shaped groove, the second ladder is adjusted to slide downwards to be in contact with the ground, the second ladder is fixed through the positioning bolt, and a worker climbs to the upper side of the auxiliary frame through the second ladder, the first ladder and the climbing frame, so that the assembling operation is implemented from the outer side of the aircraft wall plate.
The invention has the following beneficial effects:
1. according to the invention, the aircraft wall plate to be assembled is conveniently adsorbed through the sucking disc, the purpose of preliminarily fixing the aircraft wall plate is achieved, the sponge block is combined to effectively protect the aircraft wall plate, the clamping plate is conveniently pushed to move towards the direction close to the aircraft wall plate by combining the action of the electric push rod, the edges on two sides of the aircraft wall plate are supported, the stability of the aircraft wall plate in the assembly process is further ensured, the clamp structure of the aircraft wall plate in the assembly process is simplified, and the fixing of the aircraft wall plate is facilitated.
2. According to the invention, the rotating rod is conveniently regulated to rotate under the meshing action of the gear and the tooth, so that the connecting frame is driven to turn, under the running fit between the movable rod and the fixed frame, the movable rod is combined with the running fit between the movable rod and the connecting frame, the support arm is driven to turn through the movable rod, the right side of the auxiliary frame is opened, the taking and placing of the aircraft wallboard and the framework are convenient, the assembled aircraft wallboard is conveniently moved out from the right side, and the impact injury and damage to the aircraft wallboard and the framework after the assembly are prevented from being caused when the assembled aircraft wallboard and the framework are moved out.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
FIG. 5 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 3;
FIG. 7 is an enlarged schematic view of FIG. 3C;
FIG. 8 is an enlarged schematic view of the structure of FIG. 4 at D;
FIG. 9 is a schematic view of the structure of the subframe according to the present invention;
FIG. 10 is a schematic view of the structure of FIG. 9 from another perspective;
FIG. 11 is a schematic view of the structure of the climbing frame of the present invention;
fig. 12 is a schematic structural view of the pillar according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a main frame; 2. a sub-frame; 3. a mounting plate; 4. a suction cup; 5. a sponge block; 6. a fixing plate; 7. a rotating lever; 8. a connecting frame; 9. teeth; 10. a movable rod; 11. a support arm; 12. a rubber block; 13. an electric push rod; 14. a clamping plate; 15. a gear; 16. a column; 17. a first hydraulic cylinder; 18. a second hydraulic cylinder; 19. a climbing rack; 20. a first ladder; 21. a second ladder; 22. a T-shaped groove; 23. a T-shaped block; 24. positioning holes; 25. positioning bolts; 26. a vacuum pump; 27. a connecting pipe; 28. a limit rod; 29. a limit groove; 30. a limiting block; 31. a mounting frame; 32. a motor; 33. a reinforcing plate; 34. and a rubber seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-12, the invention discloses a lower wall plate assembly device for the rear section of a middle and rear fuselage of an airplane, which comprises a main frame 1 and an auxiliary frame 2, wherein a plurality of auxiliary frames 2 are sequentially arranged between the front and rear main frames 1, the main frame 1 and the auxiliary frames 2 are fixed through a plurality of connecting plates, mounting plates 3 are respectively fixed on the inner side surfaces of the main frame 1 and the auxiliary frames 2, a plurality of suckers 4 are arranged at the center of the lower surface of each mounting plate 3, sponge blocks 5 are adhered on the front and rear sides of the lower surface of each mounting plate 3, the sponge blocks 5 are mutually matched with the suckers 4, the aircraft wall plates to be assembled can be adsorbed conveniently through the suckers 4, the purpose of primarily fixing the aircraft wall plates is achieved, and the protection effect of the aircraft wall plates can be effectively achieved by combining the sponge blocks 5;
the right sides of the upper surfaces of the front main frame 1 and the rear main frame 1 are respectively fixed with a fixed plate 6, a rotating rod 7 is rotatably arranged between the front fixed plate 6 and the rear fixed plate 6, a plurality of connecting frames 8 are arranged on the rotating rod 7, the connecting frames 8 are in one-to-one correspondence with the auxiliary frames 2, a plurality of teeth 9 are fixed on the connecting frames 8 at the central positions, a movable rod 10 is rotatably arranged at one side of the connecting frames 8, which is far away from the rotating rod 7, inside the connecting frames 8, a fixed frame is fixed at the upper side of the right surface of the auxiliary frames 2, the left end of the movable rod 10 is rotatably connected with the fixed frame through a rotating shaft, the right end of the movable rod 10 is fixedly provided with a supporting arm 11, the inner side of the supporting arm 11, which is close to the inner side of the auxiliary frames 2, is provided with an electric push rod 13, the telescopic end of the electric push rod 13 is connected with a clamping plate 14, the left side of the rotating rod 7 is provided with a gear 15, the gear 15 is meshed with the teeth 9, the left end of the supporting arm 11 is adhered with a rubber block 12, with auxiliary frame 2 mutually supporting, combine above-mentioned structure, under the meshing effect of gear 15 and tooth 9, conveniently adjust dwang 7 and rotate, and then drive the upset of link 8, under the normal running fit between movable rod 10 and mount, combine the normal running fit between movable rod 10 and the link 8, the upset of support arm 11 has been driven through movable rod 10, open auxiliary frame 2 right side, conveniently shift out the aircraft wallboard after the assembly from the right side, when avoiding shifting out the aircraft wallboard after the assembly and skeleton, cause the collision injury of fuselage wallboard, damage, wherein under the effect of electric putter 13, be convenient for promote splint 14 and remove to the direction that is close to the aircraft wallboard, support aircraft wallboard both sides border, further ensured the steadiness of aircraft wallboard in the assembly process.
The left side and the right side of the lower surface of the main frame 1 are respectively provided with an upright post 16, a cavity is formed in the upright post 16, a first hydraulic cylinder 17 is arranged in the cavity, the telescopic end of the first hydraulic cylinder 17 penetrates through the upper surface of the upright post 16 and is connected with the main frame 1, the lower side of the auxiliary frame 2 is provided with a second hydraulic cylinder 18, and the telescopic end of the second hydraulic cylinder 18 is connected with the left side of the lower surface of the auxiliary frame 2;
a climbing frame 19 is fixed between two adjacent auxiliary frames 2, a first ladder 20 is rotatably installed on the lower side of the inner portion of the climbing frame 19 through a damping rotating shaft, a second ladder 21 is movably arranged on the outer side of the first ladder 20, two T-shaped grooves 22 are oppositely formed in the outer side of the first ladder 20, two T-shaped blocks 23 are relatively fixed on the inner side surface of the second ladder 21, the T-shaped blocks 23 are in sliding fit with the T-shaped grooves 22, a plurality of positioning holes 24 are formed in the front surface and the rear surface of the first ladder 20, the positioning holes 24 are communicated with the T-shaped grooves 22, threaded holes are formed in the surface of the T-shaped blocks 23 and are mutually matched with the positioning holes 24, positioning bolts 25 are in threaded fit with the front surface and the rear surface of the second ladder 21, and the positioning bolts 25 are in threaded fit with the positioning holes 24 and the threaded holes.
The first hydraulic cylinder 17 and the second hydraulic cylinder 18 are convenient to push the main frame 1 and the auxiliary frame 2 to move up and down, the lower wall plate and the framework of the airplane are moved to the lower side of the auxiliary frame 2 to be assembled before being assembled conveniently, and the lower wall plate and the framework which are fixed together are moved out after being assembled conveniently, wherein the second ladder 21 is convenient to adjust to freely slide relative to the first ladder 20 under the sliding fit of the T-shaped block 23 and the T-shaped groove 22, the height of the auxiliary frame 2 is adapted, the second ladder 21 is fixed by combining the threaded fit of the positioning bolts 25 and the positioning holes 24, the stability of the second ladder 21 is ensured, workers can climb to the upper side of the auxiliary frame 2 conveniently under the common fit of the first ladder 20, the second ladder 21 and the climbing frame 19, the assembling operation is carried out from the outer surface of the wall plate of the airplane, and the working efficiency is effectively improved.
The inside vacuum tube that is provided with of mounting panel 3, a plurality of sucking discs 4 are all installed on the vacuum tube, and the vacuum tube upper end passes mounting panel 3 upper surface, extends to sub-frame 2 inboard, and the middle sub-frame 2 inboard is provided with vacuum pump 26, and vacuum pump 26 breathes in the end and is connected with connecting pipe 27, and a plurality of vacuum tube upper ends all are linked together with connecting pipe 27, through the mutually supporting of vacuum pump 26 and connecting pipe 27, are convenient for provide the negative pressure to sucking disc 4, adsorb fixedly to the aircraft wallboard.
Two movable grooves are formed in the upright post 16, a limiting rod 28 is movably arranged in the movable groove, the upper end of the limiting rod 28 is fixedly connected with the main frame 1, two limiting grooves 29 are formed in one face, close to the outer side, of the upright post 16 and are communicated with the movable grooves, limiting blocks 30 are fixed on the lower side of the surface of the limiting rod 28 and are matched with the limiting grooves 29, and the limiting rod 28, the limiting blocks 30 and the limiting grooves 29 effectively limit the main frame 1, so that the stability of up-down movement of the main frame 1 and the auxiliary frame 2 is guaranteed.
The mounting bracket 31 is fixed on the right side of the upper surface of the middle auxiliary frame 2, the motor 32 is mounted on the front side inside the mounting bracket 31, the gear 15 is arranged on the rear side inside the mounting bracket 31, an output shaft of the motor 32 is connected with the gear 15, and the gear 15 is driven to rotate by the motor 32, so that the right support arm 11 can be conveniently adjusted.
Reinforcing plates 33 are fixed between two adjacent auxiliary frames 2, rubber seats 34 are fixed at the lower ends of the upright posts 16, the second hydraulic cylinders 18 and the second crawling ladder 21, firmness of the auxiliary frames 2 is guaranteed through the reinforcing plates 33, friction between equipment and the ground is increased by combining the rubber seats 34, and stability of the bottom of the equipment is guaranteed.
An assembly process of assembly equipment for a lower wall plate at the rear section of a middle-rear fuselage of an aircraft comprises the following steps:
step one: firstly, a lower wall plate at the rear section of a middle and rear fuselage of an aircraft to be assembled moves to the lower side of the auxiliary frame 2, the outer surface of the aircraft wall plate is attached to the sponge block 5, a vacuum pump 26 is started, negative pressure is provided for the sucker 4 under the combined action of a connecting pipe 27 and a vacuum tube, the upper surface of the aircraft wall plate is adsorbed, and the primary fixation of the aircraft wall plate is realized;
step two: secondly, starting a motor 32, driving a gear 15 to rotate, driving a rotating rod 7 to rotate under the meshing action of the gear 15 and teeth 9, driving a connecting frame 8 to outwards turn around the rotating rod 7 through the rotating rod 7, enabling the right end of the connecting frame 8 to downwards move, driving the movable rod 10 to outwards turn around the fixing frame under the rotating cooperation of the movable rod 10, the connecting frame 8 and the fixing frame, and stopping running of the motor 32 under the action of a supporting arm 11 until a rubber block 12 is driven to contact with the auxiliary frame 2;
step three: then, the electric push rod 13 is started to push the clamping plates 14 to move towards the direction close to the aircraft wall plate until the clamping plates 14 on the left side and the right side are contacted with the two sides of the aircraft wall plate, so that the two side edges of the aircraft wall plate are supported, and the stability of the aircraft wall plate is ensured;
step four: simultaneously starting the first hydraulic cylinder 17 and the second hydraulic cylinder 18, pushing the main frame 1 and the auxiliary frame 2 to move upwards to a proper height, moving the aircraft panel framework to be assembled to the lower side of the auxiliary frame 2 from one side, driving the first hydraulic cylinder 17 and the second hydraulic cylinder 18 again, pushing the fixed aircraft panel to move downwards, and enabling the framework to be in contact with the inner surface of the aircraft panel;
step five: finally, the aircraft wall plate and the framework are assembled and fixed, in the assembling process, under the sliding fit of the T-shaped block 23 and the T-shaped groove 22, the second crawling ladder 21 is adjusted to slide downwards to be in ground contact and fixed through the positioning bolts 25, and workers climb to the upper side of the auxiliary frame 2 through the second crawling ladder 21, the first crawling ladder 20 and the climbing frame 19, so that the assembling operation is implemented from the outer side of the aircraft wall plate.
Examples: in the initial state, the movable rod 10 to be assembled and the supporting arm 11 are in a lifted state, the right side of the auxiliary frame 2 is in an open state, a worker moves the lower wall plate of the aircraft body to be assembled to the inner side of the auxiliary frame 2, the outer surface of the lower wall plate of the aircraft is contacted with the sponge block 5, the vacuum pump 26 is started, negative pressure is provided for the sucker 4 under the action of the connecting pipe 27 and the vacuum pipe, and the sucker 4 is used for adsorbing the outer surface of the wall plate of the aircraft to realize the primary fixation of the wall plate of the aircraft;
then, the motor 32 is started to drive the gear 15 to rotate, under the meshing action of the gear 15 and the teeth 9, the connecting frame 8 is driven to turn inwards by combining the rotation fit of the rotating rod 7 and the fixed plate 6 and the rotating rod 7 is used as the center, the supporting arm 11 is pushed to turn towards the direction close to the auxiliary frame 2 by combining the rotation fit of the movable rod 10, the fixed frame and the connecting frame 8 until the supporting arm 11 turns to a vertical state, the motor 32 stops running, the rubber block 12 is driven to abut against the auxiliary frame 2 by the supporting arm 11, and at the moment, the electric push rod 13 on the right side and the electric push rod 13 on the left side are positioned on the same horizontal line;
at the moment, the electric push rod 13 is started to push the clamping plates 14 to move towards the direction close to the aircraft wall plate until the edges of the two sides of the aircraft wall plate are clamped into the inner sides of the clamping plates 14, and the edges of the two sides of the aircraft wall plate are supported by the clamping plates 14, so that the stability of the aircraft wall plate is further ensured;
secondly, moving the framework of the aircraft wall plate to the lower side of the auxiliary frame 2, driving the first hydraulic cylinder 17 and the second hydraulic cylinder 18 to operate, driving the main frame 1 and the auxiliary frame 2 to synchronously move downwards, further driving the fixed aircraft wall plate to move towards the direction close to the framework until the framework contacts with the inner side surface of the aircraft wall plate, stopping the operation of the first hydraulic cylinder 17 and the second hydraulic cylinder 18, and finally enabling workers to implement the assembly operation of the wall plate;
under the sliding fit of the T-shaped block 23 and the T-shaped groove 22, the second ladder 21 is adjusted to freely slide relative to the first ladder 20, the height of the auxiliary frame 2 is adapted until the rubber seat 34 at the bottom of the second ladder 21 contacts with the ground, the second ladder 21 is fixed by combining the threaded fit of the positioning bolt 25 and the positioning hole 24, the stability of the second ladder 21 is ensured, and under the common fit of the first ladder 20, the second ladder 21 and the climbing frame 19, a worker can climb to the upper side of the auxiliary frame 2, and the assembling operation is performed from the outer surface of the wall plate of the airplane, so that the working efficiency is effectively improved;
after the assembly is finished, the vacuum pump 26 is closed, the electric push rod 13 is contracted, the driving motor 32 is reversed, under the action of the rotating rod 7, the movable rod 10 and the supporting arm 11 are pulled to turn outwards through the connecting frame 8, and then the electric push rod 13 on the right side is driven to turn outwards, so that the right side of the auxiliary frame 2 is in an open state, the wall plates and the frameworks which are assembled and fixed together are conveniently moved out from one side, and the use is convenient.
It should be further noted that, the installation, connection or installation of each member in the present invention is a common mechanical manner, so long as the beneficial effects thereof can be achieved, and the electric push rod 13, the first hydraulic cylinder 17, the second hydraulic cylinder 18 and the motor 32 in the present invention are all purchased from the market, and can be installed and used as required by those skilled in the art.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides a fuselage back end lower wall board assembly equipment behind aircraft, includes main frame (1) and auxiliary frame (2), a plurality of auxiliary frame (2) set gradually between two main frames (1) around, just fix through a plurality of connecting plates between main frame (1) and auxiliary frame (2), its characterized in that, main frame (1) all are fixed with mounting panel (3) with auxiliary frame (2) inboard surface, a plurality of sucking discs (4) are installed to mounting panel (3) lower surface center department, both sides all adhere and have sponge piece (5) around mounting panel (3) lower surface, sponge piece (5) mutually support with sucking disc (4);
the right sides of the upper surfaces of the front main frame (1) and the rear main frame (1) are respectively fixed with a fixed plate (6), a rotating rod (7) is rotatably arranged between the front fixed plates (6) and the rear fixed plates (6), a plurality of connecting frames (8) are arranged on the rotating rod (7), the connecting frames (8) and the auxiliary frames (2) are in one-to-one correspondence, a plurality of teeth (9) are fixed on the connecting frames (8) in the center position, a movable rod (10) is rotatably arranged on one side, far away from the rotating rod (7), of the inner side of the connecting frame (8), a fixed frame is fixed on the upper side of the right surface of the auxiliary frame (2), the left end of the movable rod (10) is rotatably connected with the fixed frame through a rotating shaft, a supporting arm (11) is fixed on the right end of the movable rod (10), an electric push rod (13) is arranged on the inner side of each supporting arm (11) close to the auxiliary frame (2), a clamping plate (14) is connected with the telescopic end of the electric push rod (13), a gear (15) is arranged on the left side of the rotating rod (7), the gear (15) is meshed with the teeth (9) and the left end of the supporting arm (11) is meshed with the auxiliary frame (12);
the left side and the right side of the lower surface of the main frame (1) are respectively provided with an upright post (16), a cavity is formed in the upright posts (16), a first hydraulic cylinder (17) is arranged in the cavity, the telescopic end of the first hydraulic cylinder (17) penetrates through the upper surface of the upright posts (16) and is connected with the main frame (1), the lower side of the auxiliary frame (2) is provided with a second hydraulic cylinder (18), and the telescopic end of the second hydraulic cylinder (18) is connected with the left side of the lower surface of the auxiliary frame (2);
two adjacent auxiliary frames (2) are fixedly provided with climbing frames (19), the inner lower sides of the climbing frames (19) are rotatably provided with first ladders (20) through damping rotating shafts, the outer sides of the first ladders (20) are movably provided with second ladders (21), two T-shaped grooves (22) are oppositely formed in the outer sides of the first ladders (20), two T-shaped blocks (23) are oppositely fixed on the inner side surfaces of the second ladders (21), a plurality of positioning holes (24) are formed in the front surface and the rear surface of the first ladders (20), the positioning holes (24) are communicated with the T-shaped grooves (22), threaded holes are formed in the surfaces of the T-shaped blocks (23) and are mutually matched with the positioning holes (24), positioning bolts (25) are in threaded fit with the front side and the rear side of the surfaces of the second ladders (21), and the positioning bolts (25) are in threaded fit with the positioning holes (24) and the threaded holes.
The vacuum pump is characterized in that a vacuum tube is arranged inside the mounting plate (3), a plurality of suckers (4) are arranged on the vacuum tube, the upper ends of the vacuum tubes penetrate through the upper surface of the mounting plate (3) and extend to the inner side of the auxiliary frame (2), a vacuum pump (26) is arranged in the inner side of the auxiliary frame (2), the suction end of the vacuum pump (26) is connected with a connecting tube (27), and the upper ends of the vacuum tubes are communicated with the connecting tube (27);
middle sub-type frame (2) upper surface right side is fixed with mounting bracket (31), motor (32) are installed to inside front side of mounting bracket (31), gear (15) set up in inside rear side of mounting bracket (31), just motor (32) output shaft is connected with gear (15).
2. An aircraft rear fuselage rear section lower panel assembly kit according to claim 1, wherein the T-shaped blocks (23) are in sliding engagement with T-shaped slots (22).
3. The assembly device for the lower wall plate of the rear section of the middle and rear fuselage of the airplane according to claim 2, wherein two movable grooves are formed in the upright post (16), a limiting rod (28) is movably arranged in the movable grooves, the upper end of the limiting rod (28) is fixedly connected with the main frame (1), two limiting grooves (29) are formed in one surface, close to the outer side, of the upright post (16) and are communicated with the movable grooves, and limiting blocks (30) are fixed on the lower side of the surface of the limiting rod (28) and are matched with the limiting grooves (29).
4. A rear fuselage back section lower wall panel assembly in an aircraft according to claim 3, wherein a reinforcing plate (33) is fixed between two adjacent sub-frames (2), and rubber seats (34) are fixed at the lower ends of the upright (16), the second hydraulic cylinder (18) and the second ladder stand (21).
5. A process for assembling a lower panel assembly for the rear fuselage section of an aircraft according to any one of claims 1 to 4, comprising the steps of:
step one: firstly, a lower wall plate at the rear section of a middle and rear fuselage of an aircraft to be assembled moves to the lower side of an auxiliary frame (2), the outer surface of the aircraft wall plate is attached to a sponge block (5), a vacuum pump (26) is started, negative pressure is provided for a sucker (4) under the combined action of a connecting pipe (27) and a vacuum tube, the upper surface of the aircraft wall plate is adsorbed, and the primary fixation of the aircraft wall plate is realized;
step two: secondly, starting a motor (32), driving a gear (15) to rotate, driving a rotating rod (7) to rotate under the meshing action of the gear (15) and teeth (9), driving a connecting frame (8) to outwards overturn by taking the rotating rod (7) as a center through the rotating rod (7), enabling the right end of the connecting frame (8) to downwards move, pushing the movable rod (10) to outwards overturn by taking the fixing frame as a center under the rotating fit of the movable rod (10), the connecting frame (8) and the fixing frame, and stopping running of the motor (32) under the action of a supporting arm (11) until a rubber block (12) is driven to contact with an auxiliary frame (2);
step three: then, the electric push rod (13) is started to push the clamping plates (14) to move towards the direction close to the aircraft wall plate until the clamping plates (14) at the left side and the right side are contacted with the two sides of the aircraft wall plate, so that the two side edges of the aircraft wall plate are supported, and the stability of the aircraft wall plate is ensured;
step four: simultaneously starting a first hydraulic cylinder (17) and a second hydraulic cylinder (18), pushing the main frame (1) and the auxiliary frame (2) to move upwards to a proper height, moving the aircraft panel framework to be assembled to the lower side of the auxiliary frame (2) from one side, driving the first hydraulic cylinder (17) and the second hydraulic cylinder (18) again, pushing the fixed aircraft panel to move downwards, and enabling the framework to be in contact with the inner surface of the aircraft panel;
step five: finally, the aircraft wall plate and the framework are assembled and fixed, in the assembling process, under the sliding fit of the T-shaped block (23) and the T-shaped groove (22), the second crawling ladder (21) is adjusted to slide downwards to be in contact with the ground, the second crawling ladder is fixed through the positioning bolts (25), and workers climb to the upper side of the auxiliary frame (2) through the second crawling ladder (21), the first crawling ladder (20) and the climbing frame (19), so that the assembling operation is implemented from the outer side of the aircraft wall plate.
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| CN202310371329.8A CN116101506B (en) | 2023-04-10 | 2023-04-10 | Assembly equipment and process for lower wall plate at rear section of middle and rear fuselage of airplane |
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Cited By (1)
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| CN116513477A (en) * | 2023-07-04 | 2023-08-01 | 西安泽达航空制造有限责任公司 | Fuselage wallboard mounting device |
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| CN116513477B (en) * | 2023-07-04 | 2023-09-22 | 西安泽达航空制造有限责任公司 | Fuselage wallboard mounting device |
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