Automatic retractable aircraft wing bracket device

Abstract

The present invention discloses an automatic retractable aircraft wing bracket device, comprising: an integral frame mechanism, including a main frame and an auxiliary frame, both of which are truss structures, wherein the connecting end of the main frame is inserted into the connecting end of the auxiliary frame and can slide within the connecting end of the auxiliary frame; a slide mechanism for driving the auxiliary frame to slide is provided on the main frame; and the device also comprises a lifting mechanism, an arc bracket mechanism, a lifting support leg mechanism, and a driving wheel mechanism. The present invention can stably lift aircraft wings of various sizes, has a novel structure, and adopts a telescopic method to make the bracket more applicable, increase the applicable aircraft models, reduce the space occupied by the bracket when it is idle, reduce manpower and material resources, and improve work efficiency.

Description

Technical Field

[0001] The invention belongs to the field of aircraft auxiliary maintenance devices, and in particular relates to an automatic retractable aircraft wing bracket device. Background Art

[0002] As one of the more important parts in the aircraft disassembly process, the wing is connected by multi-level webs, beams, and skins, and is supported by upper and lower chord horizontal supports, braces, rods and other accessories, and various hydraulic and mechanical equipment are interspersed during the process. When the wing is restored and installed after the aircraft is disassembled, due to the three characteristics of "large span", "large volume" and "large weight", how to ensure the support of the wing when repairing the wing becomes an important technical indicator and efficiency indicator of wing maintenance. The current aircraft wing bracket adopts a method of pushing and pulling by multiple people, placing the wing bracket on the jacking point on the lower surface of the wing, placing two jacks at the upper end of the wing bracket for simultaneous lifting, and two people are required to rotate the crank under the bracket to adjust the lifting of the bracket. This method requires a large number of people to work at the same time, so the efficiency of maintenance is greatly reduced. In addition, the existing wing bracket is set according to the specific model of the aircraft. For aircraft maintenance companies, a large number of various wing brackets are stored, which takes up space in the hangar.

[0003] Based on this, the present invention designs an automatic retractable aircraft wing bracket device to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide an automatically retractable aircraft wing bracket device to solve the problems raised in the above background technology.

[0005] The present invention adopts the following technical solutions to solve the above technical problems:

[0006] An automatically retractable aircraft wing bracket device, comprising:

[0007] The overall frame mechanism comprises a main frame and an auxiliary frame both of which are truss structures, wherein the connecting end of the main frame is inserted into the connecting end of the auxiliary frame and can slide in the connecting end of the auxiliary frame; and a slide mechanism 1 for driving the auxiliary frame to slide is arranged on the main frame;

[0008] The jacking mechanism comprises two slide mechanisms 2 respectively arranged on the main frame and the auxiliary frame, the slide mechanisms 2 are vertically provided with jacks, the jacks are provided with crossbeams, a connecting beam is provided at the end of the crossbeam of the main frame, and the other end of the connecting beam is slidably connected with the crossbeam on the auxiliary frame; the tops of the main frame and the auxiliary frame are both provided with vertical grooves for the crossbeams to slide up and down;

[0009] The arc bracket mechanism comprises two arc bracket bases, which are respectively hinged on the outside of the top of the main frame and the auxiliary frame and are in the same horizontal line with the crossbeam; the arc bracket is slidably connected to the arc bracket base, and a pair of fixed pulleys are arranged at the free end of the arc bracket base; traction lines are arranged at both ends of the arc bracket, each traction line is respectively connected to a take-up drum mechanism, and the two take-up drum mechanisms connected to the same arc bracket are respectively located on the main frame and the auxiliary frame, and the traction line is laid on the fixed pulley; a slide rail for the arc bracket to slide is arranged on the crossbeam; a hydraulic cylinder for driving the arc bracket to rotate is hinged between the arc bracket base and the main frame or the auxiliary frame;

[0010] The lifting support leg mechanism comprises four legs and four auxiliary wheels arranged at the four corners of the overall frame mechanism. The legs are provided with a lifting mechanism, and the auxiliary wheels comprise electric lifting columns and universal wheels.

[0011] The driving wheel mechanism comprises four wheels connected to the four corners of the bottom of the overall frame mechanism through rotating shafts, and a driving motor and a steering mechanism are arranged on the wheels.

[0012] Furthermore, the slide mechanism 1 includes a stepper motor 1 arranged on the main frame through a motor fixing seat 1, the stepper motor 1 is connected to a screw pair 1 through a cross universal joint coupling 1, the screw pair 1 includes a screw 1 and a slider 1, the bearings at both ends of the screw 1 are connected to a support block 1 and a support block 2, the support block 1 is slidably mounted on the auxiliary frame, and the support block 2 is fixedly mounted on the main frame; the slider 1 is fixedly connected to the end of the auxiliary frame.

[0013] Furthermore, a light bar is arranged between the support block 1 and the support block 2, and the bottom of the slide block 1 is slidably connected to the light bar.

[0014] Furthermore, the second slide mechanism includes a second stepper motor and a guide rail, bearing brackets are provided at both ends of the guide rail, the bearings in the bearing brackets are connected to a second screw pair, the second screw pair includes a second screw and a second slider, the second screw is connected to the second stepper motor, a slide is provided on the second slider, and the jack is fixed on the slide.

[0015] Furthermore, the take-up reel mechanism includes a motor fixing seat, a motor 1 and a wire winder.

[0016] Furthermore, the lifting mechanism includes a second motor, a gear box is connected to the second motor, a worm gear lift is arranged on the support leg, and the gear box is connected to the worm gear lift via a coupling.

[0017] Furthermore, the steering mechanism includes a hydraulic cylinder mounting seat installed at the bottom of the main frame or the auxiliary frame, the hydraulic cylinder is hinged on the hydraulic cylinder mounting seat, a steering rod is arranged on one side of the rotating shaft, and the hydraulic cylinder is hinged to the steering rod through a connecting rod.

[0018] Furthermore, the two wheels located on the main frame or the auxiliary frame are synchronously connected through a U-shaped connecting rod.

[0019] Furthermore, a wire groove for accommodating the traction wire is also provided on the crossbeam.

[0020] Compared with the prior art, the present invention adopts the above technical solution and has the following technical effects:

[0021] The present invention can stably lift aircraft wings of various sizes, has a novel structure, and adopts a telescopic method to make the bracket more applicable, increase the applicable aircraft models, reduce the space occupied by the bracket when idle, reduce manpower and material resources, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the overall structure of this embodiment;

[0023] Figure 2 Schematic diagram of the structure of the slide mechanism 1 in this embodiment;

[0024] Figure 3 This is a structural diagram of the Huatian mechanism 2 in this embodiment;

[0025] Figure 4 Schematic diagram of the structure of the take-up reel mechanism in this embodiment;

[0026] Figure 5 This is a traction line connection diagram in this embodiment;

[0027] Figure 6 Schematic diagram of the structure of the gear box in this embodiment;

[0028] Figure 7 Schematic diagram of the structure of the steering mechanism in this embodiment.

[0029] In the figure, 1-integral frame mechanism, 3-arc bracket mechanism, 4-lifting support leg mechanism, 401-support leg, 402-electric lifting column, 403-universal wheel, 5-driving wheel mechanism, 6-main frame, 7-slide mechanism 1, 8-auxiliary frame, 9-support block 1, 10-slider 1, 11-screw 1, 12-optical bar, 14-support block 2, 15-motor fixing seat 1, 16-cross universal joint coupling 1, 17-stepping motor 1, 20-stepping motor 2, 2-slide mechanism 2, 21-guide rail, 22-jack, 23-hydraulic cylinder, 24-arc bracket, 25-arc bracket base, 26-collector Wire drum mechanism, 30-cross beam, 31-slide rail, 311-vertical groove, 32-jack, 33-slide table, 34-slider 2, 36-screw 2, 37-bearing bracket, 39-wire groove, 40-bracket baffle, 41-fixed pulley, 43-winder, 44-motor 1, 45-motor fixing seat 2, 402-electric lifting column, 403-universal wheel, 46-worm gear lift, 47-cross universal joint coupling 2, 48-motor 2, 51-gear box, 52-wheel, 53-drive motor, 54-hydraulic cylinder, 55-connecting rod, 56-hydraulic cylinder mounting seat, 57-connecting rod, 58-steering rod. DETAILED DESCRIPTION

[0030] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings:

[0031] An automatically retractable aircraft wing bracket device, such as Figure 1 and 2 As shown, it includes the following parts:

[0032] The overall frame mechanism 1 includes a main frame 6 and an auxiliary frame 8, both of which are truss structures. The connecting end of the main frame 6 is inserted into the connecting end of the auxiliary frame 8 and can slide in the connecting end of the auxiliary frame 8. The main frame 6 is provided with a slide mechanism 7 for driving the auxiliary frame to slide. The slide mechanism 7 includes a stepper motor 17 arranged on the main frame 6 through a motor fixing seat 15. The stepper motor 17 is connected to a lead screw pair 1 through a cross universal joint coupling 16. The lead screw pair 1 includes a lead screw 11 and a slider 10. The two ends of the lead screw 11 are connected with a support block 19 and a support block 2 14. The support block 19 is slidably sleeved on the auxiliary frame 8, and the support block 2 14 is fixedly sleeved on the main frame 6. The slider 19 is fixedly connected to the end of the auxiliary frame 8. A light bar 12 is also arranged between the support block 19 and the support block 2 14, and the bottom of the slider 10 is slidably connected to the light bar 12.

[0033] Working principle: A stepper motor drives a cross universal joint coupling, which in turn drives a lead screw to rotate, thereby driving a slider to move on the lead screw, thereby achieving the purpose of adjusting the distance between the main frame and the auxiliary frame.

[0034] Lifting mechanism, such as Figure 1 and 3 As shown, it includes two slide mechanisms 2 respectively arranged on the main frame 6 and the auxiliary frame 8, the slide mechanism 2 is vertically provided with a jack 22, a crossbeam 30 is arranged on the jack 22, a connecting beam is arranged at the end of the crossbeam 30 of the main frame 6, and the other end of the connecting beam is slidably connected with the crossbeam 30 on the auxiliary frame; the tops of the main frame 6 and the auxiliary frame 8 are both provided with vertical grooves 311 for the crossbeam to slide up and down. The slide mechanism 2 includes a stepper motor 20 and a guide rail 21, bearing brackets 37 are arranged at both ends of the guide rail 21, the bearings in the bearing brackets 37 are connected to the screw pair 2, the screw pair 2 includes a screw 2 36 and a slider 2 34, the screw 2 36 is connected to the stepper motor 20, a slide 33 is arranged on the slider 2 34, and the jack 32 is fixed on the slide 33.

[0035] Working principle: Stepper motor 2 drives lead screw 2 to rotate, thereby driving the slide to move horizontally on lead screw 2, thereby adjusting the position of the jack, and then using the jack to lift or lower the beam.

[0036] Arc bracket mechanism 3, such as Figure 1 , 4 As shown in Figure 5, it includes two left and right arc-shaped bracket bases 25, which are respectively hinged on the outer side of the top of the main frame 6 and the auxiliary frame 8 and are at the same horizontal line with the cross beam. The arc-shaped bracket base 25 is slidably connected to the arc-shaped bracket 24, and the end of the arc-shaped bracket base 25 is provided with a bracket baffle 40, and the free end of the arc-shaped bracket base 25 is provided with a pair of fixed pulleys 41; both ends of the arc-shaped bracket 24 are provided with traction lines, and each traction line is respectively connected to a take-up reel mechanism, and the take-up reel mechanism includes a motor fixing seat 2 45, a motor 1 44 and a winding device 43. In addition, the two take-up reel mechanisms 26 connected to the same arc-shaped bracket 24 are respectively located on the main frame 6 and the auxiliary frame 8, and the traction line is laid on the fixed pulley 41; the cross beam 30 is provided with a slide rail for the arc-shaped bracket 24 to slide; the cross beam 30 is also provided with a wire groove 39 for accommodating the traction line. A hydraulic cylinder 23 for driving the arc-shaped bracket 24 to rotate is hinged between the arc-shaped bracket base 25 and the main frame 6 or the auxiliary frame 8 .

[0037] Working principle: Figure 1 , drive the arc bracket base and the arc bracket to rotate to the horizontal position through the hydraulic cylinder, and then, Figure 5, use the take-up reel mechanism to pull the two arc brackets onto the beam. After use, pull the arc bracket back to the arc bracket base and then lower it with a hydraulic cylinder.

[0038] Lifting support leg mechanism 4, such as Figure 1 and 6 As shown, it includes four legs 401 and four auxiliary wheels arranged at the four corners of the overall frame mechanism 1, and a lifting mechanism is arranged on the legs 46, and the auxiliary wheels include electric lifting columns and universal wheels. The lifting mechanism includes a second motor 48, and the second motor 48 is connected to a gear box 51. A worm gear lift 46 is arranged on the legs 401, and the gear box is connected to the worm gear lift 46 through a second cross universal joint coupling 47.

[0039] Working principle: The second motor drives the gearbox and the second cross universal joint coupling to rotate, and then the worm gear lifter is used to lift the legs to stably support the overall frame mechanism. Then the electric lifting column is used to extend the universal wheel to provide auxiliary support for the overall frame mechanism.

[0040] Driving wheel mechanism 5, such as Figure 1 and 7 As shown, it includes four wheels 52 connected to the four corners of the bottom of the overall frame mechanism through a rotating shaft, and a driving motor 53 and a steering mechanism are arranged on the wheels 52. The steering mechanism includes a hydraulic cylinder mounting seat 56 mounted on the bottom of the main frame 6 or the auxiliary frame 8, a hydraulic cylinder 54 is hinged on the hydraulic cylinder mounting seat 56, a steering rod 58 is arranged on one side of the rotating shaft, and the hydraulic cylinder 54 is hinged to the steering rod 58 through a connecting rod 55. The two wheels 52 located on the main frame 6 or the auxiliary frame 8 are synchronously connected through a U-shaped connecting rod 57.

[0041] Working principle: The wheels are driven to move by driving the motor, and the steering rod is driven by the hydraulic cylinder to drive the wheels to steer.

[0042] Specific implementation instructions:

[0043] When in use, according to the size of the wings of different models, adjust the distance between the main frame and the auxiliary frame through the slide mechanism 1, then use the slide mechanism 2 to adjust the position of the jack, and then use the hydraulic cylinder to lift the arc bracket, and then use the take-up drum structure to pull the arc bracket to the beam. After that, the jack can slightly adjust the height of the beam so that the arc bracket can better fit the wing. Finally, extend the legs and universal wheels in turn to firmly support the whole, so as to complete the mechanism adjustment, and then put on the wing. After use, pull the arc bracket back to the arc bracket base and put away the arc bracket base. Then put down the beam, put away the legs and universal wheels. Finally, use the wheels to move the bracket device.

[0044] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as those generally understood by those skilled in the art in the art to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless defined as herein.

[0045] The above embodiments are only for explaining the technical idea of ​​the present invention, and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution according to the technical idea proposed by the present invention shall fall within the protection scope of the present invention. The above embodiments of the present invention are described in detail, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the field without departing from the purpose of the present invention.

Claims

1. An automatically retractable aircraft wing bracket device, characterized in that: include: The overall frame mechanism comprises a main frame and an auxiliary frame both of which are truss structures, wherein the connecting end of the main frame is inserted into the connecting end of the auxiliary frame and can slide in the connecting end of the auxiliary frame; and a slide mechanism 1 for driving the auxiliary frame to slide is arranged on the main frame; The jacking mechanism comprises two slide mechanisms 2 respectively arranged on the main frame and the auxiliary frame, the slide mechanisms 2 are vertically provided with jacks, the jacks are provided with crossbeams, a connecting beam is provided at the end of the crossbeam of the main frame, and the other end of the connecting beam is slidably connected with the crossbeam on the auxiliary frame; the tops of the main frame and the auxiliary frame are both provided with vertical grooves for the crossbeams to slide up and down; The arc bracket mechanism comprises two arc bracket bases, which are respectively hinged on the outside of the top of the main frame and the auxiliary frame and are in the same horizontal line with the crossbeam; the arc bracket is slidably connected to the arc bracket base, and a pair of fixed pulleys are arranged at the free end of the arc bracket base; traction lines are arranged at both ends of the arc bracket, each traction line is respectively connected to a take-up drum mechanism, and the two take-up drum mechanisms connected to the same arc bracket are respectively located on the main frame and the auxiliary frame, and the traction line is laid on the fixed pulley; a slide rail for the arc bracket to slide is arranged on the crossbeam; a hydraulic cylinder for driving the arc bracket to rotate is hinged between the arc bracket base and the main frame or the auxiliary frame; The lifting support leg mechanism includes four legs and four auxiliary wheels arranged at the four corners of the overall frame mechanism. The legs are provided with a lifting mechanism. The auxiliary wheels include an electric lifting column and a universal wheel. The driving wheel mechanism includes four wheels connected to the four corners of the bottom of the overall frame mechanism through a rotating shaft, and a driving motor and a steering mechanism are arranged on the wheels. The slide mechanism 1 includes a stepper motor 1 arranged on the main frame through a motor fixing seat 1, the stepper motor 1 is connected to a lead screw pair 1 through a cross universal joint coupling 1, the lead screw pair 1 includes a lead screw 1 and a slider 1, the lead screw 1 is connected to a support block 1 and a support block 2 at both ends of the bearing, the support block 1 is slidably sleeved on the auxiliary frame, and the support block 2 is fixedly sleeved on the main frame; the slider 1 is fixedly connected to the end of the auxiliary frame, The second slide mechanism includes a second stepper motor and a guide rail, bearing brackets are arranged at both ends of the guide rail, the bearings in the bearing brackets are connected to a second lead screw pair, the second lead screw pair includes a second lead screw and a second slider, the second lead screw is connected to the second stepper motor, a slide is arranged on the second slider, and the jack is fixed on the slide.

2. The automatic retractable aircraft wing bracket device according to claim 1, characterized in that: A light bar is also arranged between the support block 1 and the support block 2, and the bottom of the slide block 1 is slidably connected to the light bar.

3. The automatic retractable aircraft wing bracket device according to claim 1, characterized in that: The wire take-up reel mechanism comprises a motor fixing seat, a motor 1 and a wire winder.

4. The automatic retractable aircraft wing bracket device according to claim 1, characterized in that: The lifting mechanism comprises a second motor, a gear box is connected to the second motor, a worm gear lift is arranged on the supporting leg, and the gear box is connected to the worm gear lift via a coupling.

5. The automatic retractable aircraft wing bracket device according to claim 1, characterized in that: The steering mechanism comprises a hydraulic cylinder mounting seat mounted at the bottom of the main frame or the auxiliary frame, a hydraulic cylinder is hinged on the hydraulic cylinder mounting seat, a steering rod is arranged on one side of the rotating shaft, and the hydraulic cylinder is hinged to the steering rod through a connecting rod.

6. The automatic retractable aircraft wing bracket device according to claim 5, characterized in that: The two wheels located on the main frame or the auxiliary frame are synchronously connected through a U-shaped connecting rod.

7. The automatic retractable aircraft wing bracket device according to claim 1, characterized in that: The crossbeam is also provided with a wire groove for accommodating the traction wire.

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