Airplane single-wallboard assembly fixture
By designing a single-wall assembly frame for aircraft including main frame, cardboard assembly and multiple positioners, the problem of rapid positioning and fixing of parts in aircraft manufacturing is solved, and assembly efficiency and product quality are improved.
Patent Information
- Application Number
- CN202420885164.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-04-26
AI Technical Summary
During the aircraft manufacturing process, how to quickly locate and fix parts such as long truss, skins, floating frames to improve assembly efficiency has become a key issue.
A single-wall assembly frame for aircraft is designed, including main frame, cardboard assembly, long-truss end locator, long-truss axis surface locator, long-truss top tightener, K-hole locator, skint block, floating frame tightener and bandage, through these components, the parts are quickly positioned and fixed.
The device can quickly locate and fix parts such as long truss, skins, floating frames, etc., improve aircraft assembly efficiency, ensure product quality, and is simple in structure, convenient in operation, and easy to promote and apply.
Smart Images

Figure CN222876283U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aircraft manufacturing and assembly, and more specifically, to an aircraft single-wall panel assembly jig. Background Art
[0002] In the manufacturing process of a certain type of aircraft, the long stringers, skins, floating frames and other parts must first be assembled into single-wall panels on the single-wall panel assembly rack, and then the next assembly operation is carried out. In order to ensure the accuracy and stability of product manufacturing, the skins, long stringers, floating frames and other parts need to be positioned and fixed, and then operations such as hole making and riveting are carried out. In order to improve the assembly efficiency of the aircraft, it is necessary to ensure that the long stringers, skins, and floating frames can be quickly positioned on the single-wall panel assembly rack. How to quickly position the long stringers, skins, and floating frames becomes a key issue in the efficiency of aircraft assembly.
[0003] In summary, how to design a set of single-wall panel assembly jigs with simple structure, convenient installation and rapid positioning of long stringers, skins, floating frames and other parts is a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content
[0004] In view of the problems existing in the prior art, the utility model provides a single-wall panel assembly frame which has a simple structure, is easy to install and can quickly position parts such as long stringers, skins, floating frames, etc., so as to solve the technical problems mentioned in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aircraft single-wall panel assembly jig, comprising a main frame, a pallet assembly, a long stringer end positioner, a long stringer axis surface positioner, a long stringer tensioner, a K-hole positioner, a skin support block, a floating frame tensioner and a bandage, the main frame comprising a frame, an adjustable support, a pallet support and a laser tracker target ball positioning seat, the laser tracker target ball mounting seat is fixedly installed with the frame, the pallet support is located at the upper and lower ends of the frame, and the adjustable support is arranged at the bottom of the frame.
[0006] The utility model is further configured as follows: the pallet assembly includes a pallet body, the outer shape of the pallet body is a skin inner shape, and strap clamps are provided at both ends thereof, long stringer end positioners are installed on the pallet bodies on both sides, and long stringer axis surface positioners and long stringer tensioners are installed on the remaining pallet bodies, and two K-hole positioners are respectively installed at the middle positions of the pallet bodies on both sides, and the K-hole positioners include a positioner and a pin, which is convenient for tightening the strap after positioning the product to make it fit the outer shape of the pallet body.
[0007] The utility model is further configured that a skin supporting block is arranged at the middle position of the main frame, and the skin supporting block comprises a supporting block and a pressing device, so as to fix the skin and prevent it from falling.
[0008] The utility model is further configured such that the side profile of the support block is a skin inner profile, which is convenient for supporting the skin and pressing the skin against the side of the support block.
[0009] The utility model is further configured that a floating frame clamp is installed at the axis surface of the long stringer of the clamping plate body, so as to facilitate fixing the floating frame on the axis surface of the clamping plate body.
[0010] The utility model is further configured such that the frame and the card support are both welded from square steel and steel plate materials, thereby increasing the overall strength of the device.
[0011] The assembly process of the tooling is as follows: first, the adjustable support is installed on the frame and the target ball positioning seat of the laser tracker is installed on the frame, the tooling coordinate system is established by using the laser tracker, and the pallet support is installed on the frame; the pallet and the tape clamp are assembled into a pallet assembly; secondly, the laser tracker is used to measure in sequence according to the assembly sequence and the pallet assembly is installed on the pallet support of the main frame and fixed with screws; then, the laser tracker is used to measure and the long stringer axis plane locator, the long stringer end locator, the floating frame clamp, the long stringer top clamp and the K-hole locator are respectively installed on the pallet of the pallet assembly; finally, the support block is installed on the main frame to complete the assembly process of the tooling.
[0012] Compared with the prior art, the utility model provides an aircraft single-wall panel assembly jig, which has the following beneficial effects:
[0013] The utility model solves the positioning problem of long stringers, floating frames, skins and other parts during single-wall panel assembly by arranging long stringer end positioners, long stringer axis surface positioners, long stringer top tighteners, K-hole positioners, skin support blocks, floating frame tighteners and bandages, thereby improving aircraft assembly efficiency and ensuring product quality. In addition, the device has a simple structure, is easy to operate, and is easy to promote and apply. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is an overall schematic diagram of an aircraft single-wall panel assembly jig in an unused state;
[0015] Figure 2 This is a schematic diagram of the main frame structure;
[0016] Figure 3 It is a schematic diagram of the structure of the card board assembly;
[0017] Figure 4 This is a schematic diagram of the structure of the long stringer end positioner;
[0018] Figure 5 It is a schematic diagram of the structure of the long stringer axis surface locator;
[0019] Figure 6 It is a schematic diagram of the structure of the long stringer tensioner;
[0020] Figure 7 It is a schematic diagram of the structure of the K-hole locator;
[0021] Figure 8 This is a schematic diagram of the skin support block structure;
[0022] Fig. 9 Schematic diagram of the floating frame compactor.
[0023] In the figure: 1. Main frame; 2. Pallet assembly; 3. Long stringer end locator; 4. Long stringer axis plane locator; 5. Long stringer tensioner; 6. K-hole locator; 7. Skin support block; 8. Floating frame tensioner; 9. Bandage; 1-1. Frame; 1-2. Adjustable support; 1-3. Pallet support; 1-4. Laser tracker target ball locator; 2-1. Pallet body; 2-2. Tape clamp; 6-1. Locator; 6-2. Pin; 7-1. Support block; 7-2. Tensioner. DETAILED DESCRIPTION
[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.
[0026] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.
[0027] See also Figure 1-9 A single-wall panel assembly jig for an aircraft comprises a main frame 1, a cardboard assembly 2, a long-string end positioner 3, a long-string axis plane positioner 4, a long-string top tightener 5, a K-hole positioner 6, a skin support block 7, a floating frame presser 8 and a bandage 9. The main frame 1 comprises a frame 1-1, an adjustable support 1-2, a cardboard support 1-3 and a laser tracker target ball positioning seat 1-4. The laser tracker target ball mounting seat 1-4 is fixedly installed with the frame 1-1. The cardboard support 1-3 is located at the upper and lower ends of the frame 1-1. The adjustable support 1-2 is arranged at the bottom of the frame 1-1. The frame 1-1 and the cardboard support 1-3 are welded from square steel and steel plate materials.
[0028] In this embodiment, the card assembly 2 includes a card body 2-1, the outer shape of the card body 2-1 is a skin-inner type, and a strap clamp 2-2 is provided at both ends thereof, and a long stringer end positioner 3 is installed on the card bodies 2-1 on both sides, and a long stringer axis surface positioner 4 and a long stringer tensioner 5 are installed on the remaining card bodies 2-1. K-hole positioners 6 are respectively installed in the middle position of the card bodies 2-1 on both sides, and the K-hole positioner 6 includes a positioner 6-1 and a pin 6-2.
[0029] More specifically, the user can position the long stringer through the long stringer end positioner 3 and the long stringer axis plane positioner 4, and press it against the long stringer presser 5 to fix the long stringer on the skin, which is convenient for subsequent riveting.
[0030] See also Figure 1 and Figure 4 As an implementation method for fixing the skin: a skin support block 7 is provided in the middle position of the main frame 1, and the skin support block 7 includes a support block 7-1 and a clamp 7-2, and the side profile of the support block 7-1 is a skin inner profile.
[0031] Specifically, the skin can be fixed by the support block 7-1 and the presser 7-2.
[0032] Please refer to Figure 1 and Fig. 9 As a further implementation method for fixing the floating frame: a floating frame clamp 8 is installed on the long girder axis surface of the clamp body 2-1.
[0033] Specifically, the user can use the floating frame presser 8 to press and fix the floating frame.
[0034] To sum up, when the overall equipment is in use: the user can first press the skin against the cardboard body 2-1, and then position the skin through the pin 6-2 on the K-hole locator 6, and at the same time close the presser 7-2 on the skin support block 7 to support the skin. At this time, the skin can be pressed against the cardboard body 2-1 through the bandage 9, and then the long stringer can be loaded from both ends of the device at one time, and the long stringer can be positioned with the long stringer end locator 3 and the long stringer axis surface locator 4 at the same time, and one end of the long stringer can be pressed against the long stringer presser 5 to fix the long stringer to the upper end of the skin, and finally the floating frame can be installed, and the floating frame presser 8 can be used to press the floating frame, and the riveting operation can be carried out at this time, which is convenient for operation.
[0035] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. An aircraft single-wall panel assembly jig, comprising a main frame (1), a clamping plate assembly (2), a long-string end positioner (3), a long-string axis surface positioner (4), a long-string top tightener (5), a K-hole positioner (6), a skin support block (7), a floating frame tightener (8) and a bandage (9), wherein: The main frame (1) comprises a frame (1-1), an adjustable support (1-2), a cardboard support (1-3) and a laser tracker target ball positioning seat (1-4); the laser tracker target ball positioning seat (1-4) is fixedly mounted on the frame (1-1); the cardboard support (1-3) is located at the upper and lower ends of the frame (1-1); and the adjustable support (1-2) is arranged at the bottom of the frame (1-1).
2. The aircraft single-wall panel assembly jig according to claim 1, characterized in that: The card assembly (2) comprises a card body (2-1), the card body (2-1) has a skin-inner shape, and is provided with a strap clamp (2-2) at both ends, the card bodies (2-1) on both sides are provided with a long stringer end positioner (3), the remaining card bodies (2-1) are provided with a long stringer axis surface positioner (4) and a long stringer tensioner (5), and K-hole positioners (6) are respectively provided at the middle positions of the card bodies (2-1) on both sides, and the K-hole positioner (6) comprises a positioner (6-1) and a latch (6-2).
3. The aircraft single-wall panel assembly jig according to claim 1, characterized in that: A skin support block (7) is arranged at a middle position of the main frame (1), and the skin support block (7) comprises a support block (7-1) and a presser (7-2).
4. The aircraft single-wall panel assembly jig according to claim 3, characterized in that: The side profile of the support block (7-1) is a skin-inside profile.
5. The aircraft single-wall panel assembly jig according to claim 2, characterized in that: A floating frame tightener (8) is installed on the long girder axis surface of the clamping plate body (2-1).
6. The aircraft single-wall panel assembly jig according to claim 1, characterized in that: The frame (1-1) and the clamping plate support (1-3) are both welded from square steel and steel plate materials.
Citation Information
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