Leveling device for assembling composite plate and frame

By designing a leveling device for assembly of composite plates and frames, the combination of fasteners and adjusting parts is used to solve the problem of difficult to ensure the assembly planarity of composite plates and frames, and the assembly and leveling effect with low cost and high efficiency is achieved.

CN222945377UActive Publication Date: 2025-06-06SHAANXI HUANGHE XINXING EQUIP CO LTD
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Patent Information

Application Number
CN202422098869.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-06-06
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

The plane degree of the assembly of composite panels and frames is difficult to guarantee, resulting in the risk of failure of the aircraft structure. The prior art solves this problem by improving the plane degree of composite panels itself, but the cost is high.

Method used

A leveling device for assembly of composite plates and frames is designed, and the composite plates and frames are connected through multiple fasteners, and adjusting parts are provided on the fasteners, the height difference value at each fastener is measured and calculated, and the adjustment parts are adjusted to compensate for the height difference, so as to achieve overall planarity leveling between the composite plates and the frame.

Benefits of technology

By adjusting the adjusting parts on the fastener, the overall planarity of the composite panel and frame assembly is improved, the cost is reduced, and the leveling efficiency of assembly is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of assembly of composite plates and frames, and relates to a leveling device for assembly of composite plates and frames, which comprises a plurality of fasteners and an adjusting part, and the composite plates and the frames are connected through the fasteners. Wherein adjusting pieces are arranged on part of the fasteners or all the fasteners, and the adjusting pieces are used for compensating the height difference between the composite plate and the frame; according to the utility model, the composite plate and the frame are connected through the plurality of fasteners, so that the assembly of the composite plate and the frame is realized, then an operator measures the height values of the composite plate at the plurality of fasteners, calculates the difference value of each height value, and adjusts the adjusting piece on the corresponding fastener to compensate the height difference between the composite plate and the frame; according to the utility model, by adjusting the adjusting pieces on the fastening pieces, the flatness of the whole assembly of the composite plate and the frame is improved, and the cost is lower.
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Description

Technical Field

[0001] The utility model relates to the technical field of composite material plate and frame assembly, in particular to a leveling device used for composite material plate and frame assembly. Background Art

[0002] With the continuous development of aerospace technology, the performance requirements for aircraft are increasing day by day. Composite materials have gradually become indispensable materials in the aerospace field due to their excellent properties, such as light weight, high strength, corrosion resistance, and fatigue resistance. Composite panels and frames are key load-bearing structural parts of aircraft, and their assembly is an important link in the aircraft manufacturing process. If the flatness of the composite panels and frames is not up to standard, it may increase the risk of structural failure of the aircraft during flight, thereby threatening the lives of passengers and crew members.

[0003] However, due to its complex structure, the composite panel is prone to deformation. After the deformed composite panel and the frame are assembled, the overall flatness of the assembly is difficult to ensure. In the prior art, the staff adopts the approach of spending a large amount of cost to improve the flatness of the composite panel itself, reduce the deformation of the composite panel itself during the installation process, and then improve the overall flatness of the composite panel and the frame assembly.

[0004] However, it is costly to improve the flatness of the composite board itself, reduce the deformation of the composite board itself during installation, and then improve the overall flatness of the frame and composite board assembly. Utility Model Content

[0005] In order to solve the technical problem in the background technology that the flatness of the composite board itself is improved to improve the overall flatness of the frame and the composite board assembly, which is costly, the utility model provides a leveling device for assembling a composite board and a frame.

[0006] The utility model is a leveling device for assembling a composite plate and a frame. The composite plate and the frame are connected by a plurality of fasteners to realize the assembly of the composite plate and the frame. Then, an operator measures the height values ​​of the composite plate at a plurality of fasteners, calculates the difference between the height values, and adjusts the adjusting pieces on the corresponding fasteners to compensate for the height difference between the composite plate and the frame, and finally makes the height values ​​of the composite plate at the plurality of fasteners consistent. The utility model improves the flatness of the overall assembly of the composite plate and the frame by adjusting the adjusting pieces on the fasteners, and the cost is relatively low.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A leveling device for assembling a composite plate and a frame comprises a plurality of fasteners, the composite plate and the frame are connected by the plurality of fasteners, and also comprises an adjusting member; wherein, some or all of the fasteners are provided with the adjusting member, and the adjusting member is used to compensate for the height difference between the composite plate and the frame.

[0009] In a specific possible implementation scheme, the frame includes a surrounding frame, a base plate and a cover plate; the bottom of the surrounding frame is connected to the base plate, the top of the surrounding frame is connected to the cover plate, the cover plate is connected to the composite plate through fasteners, and the adjustment member is located between the cover plate and the composite plate.

[0010] In a specific possible implementation manner, the frame further comprises a partition plate arranged in the surrounding frame; two ends of the partition plate are respectively connected to opposite sides of the surrounding frame, and the bottom of the partition plate is connected to the bottom plate.

[0011] In a specific possible implementation manner, weight-reducing holes are provided on the cover plate.

[0012] In a specific possible implementation manner, a plurality of the weight-reducing holes are provided.

[0013] In a specific embodiment, the weight-reducing hole is in the shape of a rounded square.

[0014] In a specific possible implementation mode, a plurality of wire holes are provided on the surrounding frame.

[0015] In a specific embodiment, the fastener is one or more fastening bolts.

[0016] In a specific possible implementation manner, the adjusting member is a washer connected to the fastening bolt.

[0017] In a specific possible implementation manner, the adjusting member is a leveling nut connected to a fastening bolt.

[0018] In summary, the utility model includes the following beneficial technical effects:

[0019] 1. The utility model is used for a leveling device for assembling a composite panel and a frame. The composite panel and the frame are connected by a plurality of fasteners to realize the assembly of the composite panel and the frame. Then, the operator measures the height values ​​of the composite panel at a plurality of fasteners, calculates the difference between the height values, and adjusts the adjusting pieces on the corresponding fasteners to compensate for the height difference between the composite panel and the frame, and finally makes the height values ​​of the composite panel at a plurality of fasteners consistent. The utility model improves the overall flatness of the composite panel and the frame assembly by adjusting the adjusting pieces on the fasteners, and the cost is relatively low.

[0020] 2. In the fixing device of the carbon fiber frame for aerospace of the utility model, the adjusting part is set as a gasket, which is convenient for the operator to compensate the gaskets of corresponding thickness at different fasteners according to the difference in the height value of the composite plate at each fastener, so that the height values ​​of the composite plate at multiple fasteners are consistent, thereby realizing the overall leveling of the composite plate and the frame assembly, and improving the adjustment efficiency of the overall flatness of the composite plate and the frame assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a schematic diagram of the overall structure of a leveling device used for assembling a composite plate and a frame.

[0022] Figure 2 The utility model is a partial structural schematic diagram of a leveling device for assembling a composite material plate and a frame.

[0023] Explanation of the reference numerals: 1. frame; 11. surrounding frame; 12. bottom plate; 13. cover plate; 14. partition plate; 15. weight-reducing hole; 2. fastener; 3. adjustment member. DETAILED DESCRIPTION

[0024] The technical solution of the present invention is further explained below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to the implementation methods described below.

[0025] Reference Figure 1 and Figure 2 A leveling device for assembling a composite panel and a frame includes a plurality of fasteners 2, and the composite panel and the frame 1 are connected by the plurality of fasteners 2. It also includes an adjusting member 3; wherein, the adjusting member 3 is provided on some or all of the fasteners 2, and the adjusting member 3 compensates for the height difference between the composite panel and the frame 1; and one or more adjusting members 3 are provided on the fastener 2.

[0026] Specifically, there is no specific limit to the number of fasteners 2, and any configuration method that provides a suitable number of fasteners 2 to achieve connection between the composite panel and the frame 1 is acceptable.

[0027] Reference Figure 1 and Figure 2 The frame 1 includes a surrounding frame 11 , a bottom plate 12 , a cover plate 13 and a partition plate 14 .

[0028] The bottom of the frame 11 is connected to the bottom plate 12, the top of the frame 11 is connected to the cover plate 13, the cover plate 13 is connected to the composite plate through the fastener 2, and the adjustment member 3 is located between the cover plate 13 and the composite plate; the two ends of the partition plate 14 are respectively connected to the opposite sides of the frame 11, and the bottom of the partition plate 14 is connected to the bottom plate 12; the partition plate 14 divides the inner cavity of the frame 1 into different partition chambers, which is convenient for operators to select appropriate partition chambers to install different components, thereby optimizing the overall layout and improving the space utilization rate of the inner cavity of the frame 1.

[0029] Reference Figure 1 and Figure 2 The cover plate 13 is provided with a weight-reducing hole 15, and a plurality of weight-reducing holes 15 are provided. The number of weight-reducing holes 15 can be set to two, three, or four; by providing the weight-reducing holes 15, the weight of the cover plate 13 is reduced, and then the overall weight of the frame 1 is reduced, thereby achieving lightweighting of the frame 1. The shape of the weight-reducing hole 15 can be set to be circular, rectangular, rounded square, etc.

[0030] Reference Figure 1 and Figure 2 The enclosure 11 is provided with a plurality of wire holes. The number of wire holes is not limited, and a suitable number of wire holes is provided so that the cables connected to the components in the enclosure 11 pass through the enclosure 11 through the wire holes, thereby reducing the risk of the cables being physically damaged by the outside.

[0031] Embodiment 1:

[0032] Reference Figure 1 and Figure 2 In the leveling device for assembling a composite plate and a frame in this embodiment, two partition plates 14 are provided; the two partition plates 14 are arranged in parallel along the length direction of the frame 1, and the two partition plates 14 divide the inner cavity of the frame 1 into a first partition cavity, a second partition cavity and a third partition cavity arranged in sequence.

[0033] In this embodiment, the inner cavity of the frame 1 is divided into a first partition cavity, a second partition cavity and a third partition cavity according to function, so that operators can select appropriate partition cavities to install different components, thereby optimizing the overall layout and improving the space utilization of the inner cavity of the frame 1.

[0034] Embodiment 2:

[0035] Reference Figure 1 and Figure 2 This embodiment is a leveling device for assembling a composite plate and a frame. On the basis of Embodiment 1, the number of weight-reducing holes 15 is set to four; one weight-reducing hole 15 is respectively provided on the cover plate 13 above the first partition cavity and the third partition cavity, and two weight-reducing holes 15 are provided on the cover plate 13 above the second partition cavity.

[0036] In this embodiment, the four weight-reducing holes 15 are provided to reduce the weight of the cover plate 13 to the maximum extent while ensuring the overall strength and rigidity requirements of the frame 1 , thereby reducing the overall weight of the frame 1 and achieving lightweighting of the frame 1 .

[0037] Embodiment 3:

[0038] Reference Figure 1 and Figure 2This embodiment is a leveling device for assembling a composite plate and a frame. Based on Embodiment 2, the shape of the weight-reducing hole 15 is set to be a rounded square.

[0039] In this embodiment, the shape of the lightening hole 15 is set to be a rounded square, which reduces the stress concentration phenomenon generated at the lightening hole 15 and reduces the risk of cracks on the cover plate 13.

[0040] Embodiment 4:

[0041] Reference Figure 1 and Figure 2 This embodiment is a leveling device for assembling a composite plate and a frame, and the adjusting member 3 is a gasket connected to the fastening bolt.

[0042] In this embodiment, the operator measures the height values ​​of the composite plate at multiple fastening bolts, calculates the difference between the height values, and compensates the corresponding thickness of the gaskets at different fastening bolts to achieve leveling of the composite plate and the frame 1 as a whole.

[0043] Embodiment 5:

[0044] Reference Figure 1 and Figure 2 This embodiment is a leveling device for assembling a composite plate and a frame, and the adjusting member 3 is a leveling nut connected to the fastening bolt.

[0045] In this embodiment, the operator measures the height values ​​of the composite plate at multiple fastening bolts and calculates the difference between the height values; by adjusting the leveling nuts at different fasteners 2, the corresponding heights are compensated to different fastening bolts, thereby achieving the leveling of the overall assembly of the composite plate and the frame 1.

[0046] The working principle of the leveling device for assembling a composite plate and a frame of the utility model is as follows: first, the composite plate and the frame 1 are connected by using fasteners 2; finally, the operator adjusts the adjustment parts 3 on the corresponding fasteners 2 to compensate for the height difference between the composite plate and the frame 1, so that the heights of the composite plates at multiple fasteners 2 are consistent, thereby achieving the leveling of the overall assembly of the composite plate and the frame 1.

[0047] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A leveling device for assembling a composite panel and a frame, comprising a plurality of fasteners (2), wherein the composite panel and the frame (1) are connected by the plurality of fasteners (2), characterized in that: Also includes an adjustment member (3); Part or all of the fasteners (2) are provided with adjusting members (3), and the adjusting members (3) are used to compensate for the height difference between the composite plate and the frame (1).

2. The leveling device for assembling a composite panel and a frame according to claim 1, characterized in that: The frame (1) comprises a surrounding frame (11), a bottom plate (12) and a cover plate (13); The bottom of the surrounding frame (11) is connected to the bottom plate (12), the top of the surrounding frame (11) is connected to the cover plate (13), the cover plate (13) is connected to the composite plate via a fastener (2), and the adjustment member (3) is located between the cover plate (13) and the composite plate.

3. The leveling device for assembling a composite panel and a frame according to claim 2, characterized in that: The frame (1) further comprises a partition plate (14) arranged in the surrounding frame (11); The two ends of the partition plate (14) are respectively connected to the opposite two sides of the surrounding frame (11), and the bottom of the partition plate (14) is connected to the bottom plate (12).

4. The leveling device for assembling a composite panel and a frame according to claim 3, characterized in that: The cover plate (13) is provided with a weight-reducing hole (15).

5. The leveling device for assembling a composite panel and a frame according to claim 4, characterized in that: A plurality of the weight-reducing holes (15) are provided.

6. The leveling device for assembling a composite panel and a frame according to claim 5, characterized in that: The shape of the weight-reducing hole (15) is a rounded square.

7. The leveling device for assembling a composite panel and a frame according to claim 2, characterized in that: The surrounding frame (11) is provided with a plurality of wire passing holes.

8. The leveling device for assembling a composite panel and a frame according to claim 1, characterized in that: The fastener (2) is one or more fastening bolts.

9. The leveling device for assembling a composite panel and a frame according to claim 8, characterized in that: The adjusting member (3) is a gasket connected to the fastening bolt.

10. The leveling device for assembling a composite panel and a frame according to claim 8, characterized in that: The adjusting member (3) is a leveling nut connected to the fastening bolt.