Aircraft cabin door assembly fixture

By designing an aircraft cabin door assembly frame with hydraulic cylinders, sliding blocks, rotating connection plates and other structures, the problem of difficulty in angle adjustment during the assembly process of aircraft cabin doors is solved, and the precise docking between the aircraft cabin doors and the aircraft door frame is achieved and the assembly efficiency is improved.

CN222663778UActive Publication Date: 2025-03-25ZHUHAI SHENGFENG JINGGONG TECH CO LTD
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Patent Information

Application Number
CN202421537781.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-03-25
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

During the assembly process, the door angle of the aircraft cabin door is difficult to adjust the hatch angle, which is inefficient in assembly.

Method used

An aircraft door assembly frame is designed, including a bottom plate, a mobile base, a mounting frame, a hydraulic cylinder, a sliding block, a rotating connecting plate, a rotating block, a motor and a cylinder. Through the telescopic activities of the hydraulic cylinder and the cylinder, combined with the driving of the motor and the cylinder, the upper and lower and left and right angle adjustments of the hatch door are achieved.

Benefits of technology

It realizes the precise docking between the aircraft cabin door and the aircraft door frame, simplifies the assembly process, and improves assembly efficiency and operation convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222663778U_ABST
Patent Text Reader

Abstract

The utility model discloses an aircraft cabin door assembly fixture, which relates to the technical field of aircraft cabin doors and comprises a bottom plate, a movable base is arranged at the upper end of the bottom plate, a mounting frame is arranged at the upper end of the movable base, a mounting block is arranged at the bottom of the middle of the mounting frame, and a hydraulic cylinder is arranged at the upper end of the mounting block and in the middle of the mounting frame. A sliding block is arranged at the position, in the middle of the mounting frame, of the upper end of the hydraulic cylinder, a balancing weight is arranged at the rear end of the sliding block, a rotating connecting plate is arranged at the front end of the sliding block, a rotating block is arranged in the middle of the rotating connecting plate, and a rotating shaft is arranged between the middle of the rotating block and the inner wall of the rotating connecting plate. According to the airplane cabin door assembling fixture, the up-down angle and the left-right angle of the cabin door can be properly adjusted, the cabin door and a door frame of an airplane can be accurately butted, the cabin door is more accurately stacked, and the cabin door assembling process is more efficient and convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of aircraft cabin doors, in particular to an aircraft cabin door assembly frame. Background Art

[0002] During the manufacturing process of aircraft door components, assembly jigs are required to accurately position the parts to ensure the coordinated fit between the door and the aircraft door frame.

[0003] The cabin door needs to be precisely docked with the aircraft door frame when being assembled. The door frames of some aircraft are not perpendicular to the horizontal plane and have a certain inclination angle. The operation of docking the aircraft cabin door with the aircraft door frame is relatively troublesome and it is difficult to adjust the angle of the cabin door, which makes the assembly process take a long time and the assembly efficiency is low. In order to solve the shortcomings of the existing technology, we propose an aircraft cabin door assembly jig. Utility Model Content

[0004] The main purpose of the utility model is to provide an aircraft cabin door assembly jig, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The aircraft cabin door assembly frame comprises a bottom plate, a movable base is arranged at the upper end of the bottom plate, a mounting frame is arranged at the upper end of the movable base, a mounting block is arranged at the middle bottom of the mounting frame, a hydraulic cylinder is arranged at the upper end of the mounting block in the middle of the mounting frame, a sliding block is arranged at the upper end of the hydraulic cylinder in the middle of the mounting frame, a counterweight block is arranged at the rear end of the sliding block, a rotating connecting plate is arranged at the front end of the sliding block, a rotating block is arranged in the middle of the rotating connecting plate, and the middle of the rotating block and the inner wall of the rotating connecting plate are connected A rotating shaft is arranged between the two, a No. 1 motor is arranged on the outer wall of the rotating connecting plate, the No. 1 motor is connected to the rotating shaft, a No. 2 cylinder is arranged on the upper end of the rotating block, a movable rod is arranged on the upper end of the No. 2 cylinder, a connecting rod is arranged on the front lower end of the movable rod, an upper fixed splint is arranged on the lower end of the connecting rod, a fixed rod is arranged on the lower end of the rotating block, a lower fixed splint is arranged on the front upper end of the fixed rod, a No. 2 motor is arranged on the front lower end of the fixed rod, and the No. 2 motor is connected to the lower fixed splint.

[0007] Preferably, two sets of sliding rails are arranged between the movable base and the bottom plate, a No. 1 cylinder is also arranged on the rear side of the upper end of the bottom plate, the front end of the No. 1 cylinder is connected to the rear side of the movable base, and four sets of brake wheels are also arranged on the lower end of the bottom plate.

[0008] Preferably, a mounting interface is provided between the mounting block and the inner wall of the mounting frame, and the mounting block is detachably connected to the inner wall of the mounting frame via the provided mounting interface, and a sliding groove is provided between the sliding block and the mounting frame, and the sliding block is slidably connected to the mounting frame via the provided sliding groove.

[0009] Preferably, the rotating block is rotatably connected to the rotating connecting plate via a set rotating shaft, a rotating interface is provided between the upper fixed splint and the connecting rod, the upper fixed splint is rotatably connected to the connecting rod via the set rotating interface, a rotating interface is provided between the lower fixed splint and the fixed rod, the lower fixed splint is rotatably connected to the fixed rod via the set rotating interface.

[0010] Preferably, the movable base is slidably connected to the sliding track, a connecting port is provided between the No. 1 cylinder and the side wall of the movable base, and the No. 1 cylinder is detachably connected to the movable base through the provided connecting port.

[0011] Preferably, a mounting interface is provided between the No. 1 cylinder and the base plate, and the No. 1 cylinder is detachably connected to the base plate via the provided mounting interface.

[0012] Beneficial Effects

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, by providing the rotating connecting plate, the rotating block, the rotating shaft, the upper fixing clamping plate and the lower fixing clamping plate, the device can properly adjust the angle of the cabin door after fixing the cabin door of the aircraft. Not only can the up and down angles of the cabin door be adjusted, but also its left and right angles can be adjusted, so that the cabin door and the door frame of the aircraft can be accurately docked, making the process of assembling the aircraft cabin door more convenient and quick, and the assembly operation process is more efficient. The lower end of the cabin door of the aircraft is placed on the upper end of the lower fixing clamping plate, and then the No. 2 cylinder is contracted to move the upper fixing clamping plate downward, and the upper end of the cabin door of the aircraft is pressed and clamped, and then the liquid in the middle of the mounting frame is installed. The extension and retraction of the pressure cylinder can raise the sliding block, thereby driving the cabin door to rise. The starting of the No. 2 motor can drive the lower fixed splint to rotate at the upper end of the fixed rod. When the lower fixed splint rotates, it can drive the cabin door to rotate. The upper end of the cabin door will rotate at the lower end of the connecting rod through the upper fixed splint. In this way, the left and right angles of the cabin door can be adjusted. The No. 1 motor at the front end of the rotating connecting plate is started to drive the rotating block to rotate in the middle of the rotating connecting plate through the rotating shaft. The upper and lower angles of the rotating block in the middle of the rotating connecting plate can be adjusted, and then the upper and lower angles of the front cabin door can be adjusted, so that the cabin door is conveniently aligned with the aircraft door frame and assembly is convenient.

[0015] 2. In the utility model, by providing a bottom plate, a sliding track, a movable base and a No. 1 cylinder, the device can allow the aircraft door to be moved forward and backward after being fixed, so that the door can be easily moved to the vicinity of the aircraft door frame for easy docking and installation. After the aircraft door is fixed between the lower fixed splint and the upper fixed splint, the No. 1 cylinder is telescopically movable to push the movable base to slide on the upper end of the sliding track. The movable base can drive the upper mounting frame and other structures to move forward, so that the door can be moved to a suitable position for assembly operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the sliding block connection structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the rotating block connection structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection structure of the upper and lower fixed clamping plates of the utility model.

[0020] In the figure: 1. Base plate; 2. Sliding track; 3. Mobile base; 4. Cylinder No. 1; 5. Brake wheel; 6. Mounting frame; 7. Sliding block; 8. Counterweight block; 9. Rotating connecting plate; 10. Rotating block; 11. Motor No. 1; 12. Cylinder No. 2; 13. Movable rod; 14. Connecting rod; 15. Upper fixed splint; 16. Fixed rod; 17. Lower fixed splint; 18. Motor No. 2; 19. Mounting block; 20. Hydraulic cylinder; 21. Rotating shaft. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-Figure 4As shown, the aircraft cabin door assembly frame includes a bottom plate 1, a movable base 3 is arranged at the upper end of the bottom plate 1, a mounting frame 6 is arranged at the upper end of the movable base 3, a sliding groove is arranged in the middle of the mounting frame 6, a mounting block 19 is arranged at the middle bottom of the mounting frame 6, a hydraulic cylinder 20 is arranged at the upper end of the mounting block 19 in the middle of the mounting frame 6, the mounting block 19 is used to install the hydraulic cylinder 20, a sliding block 7 is arranged at the upper end of the hydraulic cylinder 20 in the middle of the mounting frame 6, the sliding block 7 can slide up and down in the middle of the mounting frame 6, and the telescopic movement of the hydraulic cylinder 20 can drive the sliding block 7 to move up and down A counterweight block 8 is provided at the rear end of the sliding block 7, and the counterweight block 8 is used to maintain the front and rear balance of the device. A rotating connecting plate 9 is provided at the front end of the sliding block 7, and a rotating block 10 is provided in the middle of the rotating connecting plate 9. The rotating connecting plate 9 is used to connect the rotating block 10. A rotating shaft 21 is provided between the middle of the rotating block 10 and the inner wall of the rotating connecting plate 9. The rotating block 10 rotates in the middle of the rotating connecting plate 9 through the rotating shaft 21. A No. 1 motor 11 is provided on the outer wall of the rotating connecting plate 9. The No. 1 motor 11 is connected to the rotating shaft 21, and the No. 1 motor 11 can drive the rotation The block 10 rotates in the middle of the rotating connecting plate 9, and a No. 2 cylinder 12 is arranged at the upper end of the rotating block 10, and the No. 2 cylinder 12 can be telescopically movable, and a movable rod 13 is arranged at the upper end of the No. 2 cylinder 12, and the movable rod 13 can be moved up and down by the No. 2 cylinder 12, and a connecting rod 14 is arranged at the front lower end of the movable rod 13, and an upper fixed splint 15 is arranged at the lower end of the connecting rod 14, and the connecting rod 14 is used to connect the upper fixed splint 15 with the movable rod 13, and a rotating interface is arranged between the upper fixed splint 15 and the connecting rod 14, and the upper fixed splint 15 can be moved at the connecting rod 14. The lower end rotates, and a fixing rod 16 is provided at the lower end of the rotating block 10, and a lower fixing splint 17 is provided at the front upper end of the fixing rod 16. The fixing rod 16 is used to install the lower fixing splint 17, and a rotating interface is provided between the lower fixing splint 17 and the fixing rod 16. The lower fixing splint 17 can rotate at the upper end of the fixing rod 16, and a No. 2 motor 18 is provided at the front lower end of the fixing rod 16. The No. 2 motor 18 is connected to the lower fixing splint 17, and the No. 2 motor 18 can drive the lower fixing splint 17 to rotate. The upper fixing splint 15 and the lower fixing splint 17 are used to fix the hatch.

[0023] like Figure 1 As shown, two sets of sliding rails 2 are arranged between the mobile base 3 and the bottom plate 1, and the mobile base 3 can slide on the upper end of the sliding rails 2. A No. 1 cylinder 4 is also arranged on the rear side of the upper end of the bottom plate 1, and an installation interface is arranged between the No. 1 cylinder 4 and the bottom plate 1. The No. 1 cylinder 4 is detachably connected to the bottom plate 1 through the arranged installation interface, and the front end of the No. 1 cylinder 4 is connected to the rear side of the mobile base 3. The telescopic movement of the bottom plate 1 can drive the mobile base 3 to slide on the upper end of the sliding rails 2. Four sets of brake wheels 5 are also arranged at the lower end of the bottom plate 1. The brake wheels 5 can facilitate the movement of the bottom plate 1 and can also be fixed at a certain position.

[0024] like Figure 3 As shown, a rotating shaft 21 is provided between the rotating block 10 and the rotating connecting plate 9. The rotating block 10 can be rotated in the middle of the rotating connecting plate 9 through the rotating shaft 21 to adjust the upper and lower angles of the hatch fixed between the upper fixed clamping plate 15 and the lower fixed clamping plate 17. A No. 1 motor 11 is provided on the outer wall of the rotating connecting plate 9. The No. 1 motor 11 is connected to the rotating shaft 21, and the rotating block 10 is driven to rotate in the middle of the rotating connecting plate 9 through the rotating shaft 21.

[0025] like Figure 4 As shown, a rotating interface is provided between the upper fixed splint 15 and the connecting rod 14, and the upper fixed splint 15 can rotate at the lower end of the connecting rod 14, and a rotating interface is provided between the lower fixed splint 17 and the fixed rod 16, and the lower fixed splint 17 can rotate at the upper end of the fixed rod 16 through the provided rotating interface, and a No. 2 motor 18 is provided at the lower end of the fixed rod 16, and the No. 2 motor 18 can drive the lower fixed splint 17 to rotate at the upper end of the fixed rod 16, and the cabin door is fixed between the upper fixed splint 15 and the lower fixed splint 17. The contraction of the No. 2 cylinder 12 can allow the upper fixed splint 15 to clamp and fix the cabin door, and the No. 2 motor 18 is started to drive the lower fixed splint 17 to rotate, so that the cabin door can be rotated left and right to adjust the left and right angles.

[0026] It should be noted that the utility model is an aircraft cabin door assembly frame. When in use, the lower end of the aircraft cabin door is placed on the upper end of the lower fixed clamping plate 17, and then the No. 2 cylinder 12 is contracted to move the upper fixed clamping plate 15 downward, pressing and clamping the upper end of the aircraft cabin door, and then the hydraulic cylinder 20 in the middle of the mounting frame 6 is telescopically movable, which can raise the sliding block 7, thereby driving the cabin door to rise, and the No. 2 motor 18 is started to drive the lower fixed clamping plate 17 to rotate on the upper end of the fixing rod 16. When the lower fixed clamping plate 17 rotates, it can drive the cabin door to rotate, and the upper end of the cabin door will be connected to the connecting rod 1 through the upper fixed clamping plate 15. 4 is rotated, so that the left and right angles of the cabin door can be adjusted, the No. 1 motor 11 at the front end of the rotating connecting plate 9 is started, driving the rotating block 10 to rotate in the middle of the rotating connecting plate 9 through the rotating shaft 21, and the up and down angles of the rotating block 10 in the middle of the rotating connecting plate 9 can be adjusted, thereby adjusting the up and down angles of the front cabin door, so as to facilitate the alignment of the cabin door with the aircraft door frame, the No. 1 cylinder 4 is telescopic and movable, pushing the mobile base 3 to slide on the upper end of the sliding track 2, and the mobile base 3 can drive the upper end mounting frame 6 and other structures to move forward, so that the cabin door can be moved to a suitable position for assembly operation.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An aircraft door assembly jig, comprising a base plate (1), characterized in that: A movable base (3) is arranged at the upper end of the bottom plate (1), a mounting frame (6) is arranged at the upper end of the movable base (3), a mounting block (19) is arranged at the middle bottom of the mounting frame (6), a hydraulic cylinder (20) is arranged at the upper end of the mounting block (19) in the middle of the mounting frame (6), a sliding block (7) is arranged at the upper end of the hydraulic cylinder (20) in the middle of the mounting frame (6), a counterweight block (8) is arranged at the rear end of the sliding block (7), a rotating connecting plate (9) is arranged at the front end of the sliding block (7), a rotating block (10) is arranged in the middle of the rotating connecting plate (9), a rotating shaft (21) is arranged between the middle of the rotating block (10) and the inner wall of the rotating connecting plate (9), and the rotating A No. 1 motor (11) is provided on the outer wall of the movable connecting plate (9), and the No. 1 motor (11) is connected to the rotating shaft (21). A No. 2 cylinder (12) is provided at the upper end of the rotating block (10), and a movable rod (13) is provided at the upper end of the No. 2 cylinder (12). A connecting rod (14) is provided at the front lower end of the movable rod (13), and an upper fixed clamping plate (15) is provided at the lower end of the connecting rod (14). A fixed rod (16) is provided at the lower end of the front upper end of the fixed rod (16), and a No. 2 motor (18) is provided at the front lower end of the fixed rod (16), and the No. 2 motor (18) is connected to the lower fixed clamping plate (17).

2. The aircraft door assembly jig according to claim 1, characterized in that: Two sets of sliding rails (2) are arranged between the movable base (3) and the bottom plate (1), a No. 1 cylinder (4) is arranged at the rear side of the upper end of the bottom plate (1), the front end of the No. 1 cylinder (4) is connected to the rear side of the movable base (3), and four sets of brake wheels (5) are arranged at the lower end of the bottom plate (1).

3. The aircraft door assembly jig according to claim 1, characterized in that: A mounting interface is provided between the mounting block (19) and the inner wall of the mounting frame (6), and the mounting block (19) is detachably connected to the inner wall of the mounting frame (6) via the provided mounting interface; a sliding groove is provided between the sliding block (7) and the mounting frame (6), and the sliding block (7) is slidably connected to the mounting frame (6) via the provided sliding groove.

4. The aircraft door assembly jig according to claim 1, characterized in that: The rotating block (10) is rotatably connected to the rotating connecting plate (9) via a rotating shaft (21); a rotating interface is provided between the upper fixed clamping plate (15) and the connecting rod (14); the upper fixed clamping plate (15) is rotatably connected to the connecting rod (14) via the rotating interface; a rotating interface is provided between the lower fixed clamping plate (17) and the fixed rod (16); the lower fixed clamping plate (17) is rotatably connected to the fixed rod (16) via the rotating interface.

5. The aircraft door assembly jig according to claim 2, characterized in that: The movable base (3) is slidably connected to the sliding track (2), a connection port is provided between the No. 1 cylinder (4) and the side wall of the movable base (3), and the No. 1 cylinder (4) is detachably connected to the movable base (3) via the provided connection port.

6. The aircraft door assembly jig according to claim 2, characterized in that: A mounting interface is provided between the first cylinder (4) and the bottom plate (1), and the first cylinder (4) is detachably connected to the bottom plate (1) via the provided mounting interface.