Shape fixing fixture for repairing A320 aircraft flap

Abstract

The utility model discloses an appearance fixing fixture for repairing an A320 aircraft flap, which comprises a plurality of fixing frames which are continuously connected through a connecting device, each fixing frame is formed by splicing a first frame rod and a second frame rod left and right, the contour appearance of the fixing frames is the same as that of the profile of the flap, and the upper end and the lower end of the outer side of each first frame rod are respectively provided with a connecting piece. A connecting piece is installed at the lower end of the outer side of the second frame rod, universal shaft seats are installed on the front side and the rear side of the connecting piece, the universal shaft seats of the two opposite fixing frames are connected through a connecting rod, and two end positioning plates are further installed on the two fixing frames located at the two ends. The fixing device has the advantages that the fixing frames are fixedly connected to the outside of the flap, the flap is shaped by attaching the fixing frames to the surface of the flap, and it is guaranteed that the outer surface of the flap does not deform in the repairing and installing process; the fixing frames are connected through the plurality of connecting devices, so that the connection between the plurality of fixing frames and the flap is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft repair, in particular to an external shape fixing jig for repairing an A320 aircraft flap. Background Art

[0002] The primary function of aircraft flaps is to reduce speed during takeoff and landing while maintaining sufficient lift. During flap repairs, the leading and trailing edges of the flaps sometimes need to be replaced. Since the new leading and trailing edges lack prefabricated fastener holes, these holes must be manually drilled. If the entire flap is not securely fastened during this process, the flap may shift during the drilling process. This can lead to slight deviations in the flap's shape after replacement, or even prevent assembly, resulting in the scrapping of the new part. This can significantly impact the repair cycle and cost. Therefore, we propose a shape-fixing jig for A320 aircraft flap repairs. Utility Model Content

[0003] The purpose of the utility model is to provide an external shape fixing jig for repairing the flaps of an A320 aircraft, so as to solve the problems raised in the above-mentioned background technology.

[0004] A profile fixing jig for A320 aircraft flap repairs, comprising a plurality of fixing jigs continuously connected by a coupling device. The fixing jigs are formed by splicing a first rod and a second rod on the left and right sides. The fixing jigs have the same profile as the flap cross section. The upper and lower ends of the first and second rods are connected by flanges and fixing screws.

[0005] The connecting device includes a connecting piece, and the outer upper end and lower end of the first frame rod are both equipped with connecting pieces, and the outer lower end of the second frame rod is equipped with a connecting piece. A total of three connecting pieces arranged in triangular positions are provided on the fixing frame, and universal shaft seats are installed on the front and rear sides of the connecting piece. The universal shaft seats of the two opposite fixing frames are connected by a connecting rod. The two ends of the connecting rod have a certain degree of freedom of movement in the universal shaft seat and can rotate a certain angle. Two end positioning plates are also installed on the two fixing frames at both ends. After the flaps are fixed, the two end positioning plates are respectively fitted with the two ends of the flaps.

[0006] Preferably, the two flanges are attached to the upper and lower ends of the first rack rod and the second rack rod, and several fixing screws are respectively screwed into the first rack rod and the second rack rod through the flanges. The connection of the flanges makes it easy to connect and disassemble the first rack rod and the second rack rod.

[0007] Preferably, connecting rod heads are provided at both ends of the connecting rod, and the connecting rod heads are inserted into the universal joint seat. The connecting rod can rotate a certain angle in the universal joint seat through the connecting rod heads.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] When repairing a flap, several fixing frames are fixedly connected to the outside of the flap, and the flap is shaped by fitting the fixing frames to the surface of the flap, ensuring that the outer surface of the flap does not deform and no assembly errors occur during the repair and installation process; the fixing frames are connected by several connecting devices, so that the connection between the several fixing frames and the flap is more stable. Since the connecting devices have a certain degree of freedom of movement, they can better adapt to flaps with a certain curved shape; the two end positioning plates can limit and fix the two ends of the flap, effectively ensuring that the shape of the repaired flap does not deviate from the original. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a three-dimensional diagram of the utility model after the flaps are installed;

[0011] Figure 2 A three-dimensional diagram of the connection between the connecting device of the utility model and the fixing frame;

[0012] Figure 3 This is a structural sectional view of the universal joint seat of the utility model.

[0013] In the figure: 1, fixing frame, 11, first frame rod, 12, second frame rod, 13, flange, 14, fixing screw, 2, connecting device, 21, connecting plate, 22, universal joint seat, 23, connecting rod, 24, connecting rod head, 3, end positioning plate. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0015] See also Figure 1-3, an A320 aircraft flap repair shape fixing frame, comprising a plurality of fixing frames 1 continuously connected by a connecting device 2, the fixing frame 1 being formed by splicing a first frame rod 11 and a second frame rod 12 left and right, the fixing frame 1 having the same contour as the flap section, the upper and lower ends of the first frame rod 11 and the second frame rod 12 being connected by flanges 13 and fixing screws 14; two of the flanges 13 are attached to the upper and lower ends of the first frame rod 11 and the second frame rod 12, and a plurality of fixing screws 14 respectively pass through the flanges 13 and are screwed into the first frame rod 11 and the second frame rod 12, so that the connection of the flanges 13 facilitates connection and disassembly between the first frame rod 11 and the second frame rod 12; when repairing the flap, the plurality of fixing frames 1 are fixedly connected to the outside of the flap, and the flap is shaped by the fixing frames 1 being in contact with the flap surface, ensuring that the outer surface of the flap is not deformed during the repair and installation process and that no assembly errors occur.

[0016] The connecting device 2 includes a connecting piece 21, the outer upper end and the lower end of the first frame rod 11 are both installed with a connecting piece 21, the outer lower end of the second frame rod 12 is installed with a connecting piece 21, and a total of three triangular-shaped connecting pieces 21 are provided on the fixing frame 1. Cardan shaft seats 22 are installed on the front and rear sides of the connecting piece 21. The two opposite cardan shaft seats 22 of the fixing frame 1 are connected by a connecting rod 23. Connecting rod heads 24 are provided at both ends of the connecting rod 23. The connecting rod head 24 is inserted into the cardan shaft seat 22. The connecting rod 23 can be connected to the fixing frame 1 through the connecting rod head 24. The universal joint seat 22 is rotated at a certain angle, and the fixing frames 1 are connected to each other through a plurality of connecting devices 2, so that the connection between the plurality of fixing frames 1 and the flaps is more stable. Since the connecting devices 2 have a certain degree of freedom of movement, they can better adapt to flaps with a certain curved shape; two end positioning plates 3 are also installed on the two fixing frames 1 at both ends. After the flaps are fixed, the two end positioning plates 3 are respectively fitted with the two ends of the flaps. The two end positioning plates 3 can limit and fix the two ends of the flaps, effectively ensuring that the shape of the flaps after repair does not deviate from the original.

[0017] Working principle: When repairing the flap, the first frame rod 11 and the second frame rod 12 are spliced ​​and fixed on the outside of the flap, and the flap is shaped by fitting the fixing frame 1 to the surface of the flap; the fixing frames 1 are connected by a plurality of connecting devices 2, so that the connection between the fixing frames 1 and the flap is more stable and can better adapt to the flap with a certain curved shape; the two end positioning plates 3 can limit and fix the two ends of the flap, effectively ensuring that the shape of the repaired flap does not deviate from the original.

[0018] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0019] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A profile fixing jig for A320 aircraft flap repair, comprising a plurality of fixing jigs (1) connected in series by a connecting device (2), characterized in that: The fixing frame (1) is formed by splicing a first frame rod (11) and a second frame rod (12) on the left and right sides. The fixing frame (1) has the same profile as the flap section. The upper and lower ends of the first frame rod (11) and the second frame rod (12) are connected by flanges (13) and fixing screws (14). The connecting device (2) includes a connecting plate (21), the outer upper end and the lower end of the first frame rod (11) are both equipped with a connecting plate (21), the outer lower end of the second frame rod (12) is equipped with a connecting plate (21), and the front and rear sides of the connecting plate (21) are equipped with universal joint seats (22). The universal joint seats (22) of the two opposite fixing frames (1) are connected by a connecting rod (23), and two end positioning plates (3) are also equipped on the two fixing frames (1) at the two ends.

2. The A320 aircraft flap repair shape fixing jig according to claim 1, characterized in that: The two flanges (13) are attached to the upper and lower ends of the first frame rod (11) and the second frame rod (12), and a plurality of fixing screws (14) pass through the flanges (13) and are screwed into the first frame rod (11) and the second frame rod (12).

3. The A320 aircraft flap repair shape fixing jig according to claim 1, characterized in that: Connecting rod heads (24) are provided at both ends of the connecting rod (23), and the connecting rod heads (24) are inserted into the universal joint seat (22).

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