Skin hole guiding device

By designing a skin guide device for aircraft assembly, the combination of rotary guide and sliding components is used to accurately locate the guide hole in the closed area, solving the problem of poor skin hole accuracy and improving assembly quality and safety.

CN223014905UActive Publication Date: 2025-06-24COMMERCIAL AIRCRAFT CORP OF CHINA LTD +1
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Patent Information

Application Number
CN202422234047.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-06-24
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

During the assembly process of aircraft fuselage structure, the accuracy of skinned holes in the closed area is poor, which can easily lead to quality problems such as hole misalignment, and is difficult to operate, affecting assembly quality and safety.

Method used

A skin hole guide device is designed, including a first rotating guide member, a second rotating guide member, a sliding assembly and a positioning member, and the precise positioning of the skin and the hole guide operation are realized through the relative position relationship between the reference hole and the mounting hole.

Benefits of technology

The accuracy of the hole guide to the skin of the aircraft skeleton in the closed area is improved, the product quality is ensured, the operation process is simplified, and the operation difficulty is reduced.

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Abstract

The utility model belongs to the technical field of aircraft component assembly, and discloses a skin hole guiding device which comprises a first rotary guiding piece, a second rotary guiding piece, a sliding assembly and two positioning pieces. The first rotary guiding piece comprises a first positioning part and a first sliding rail, the first positioning part is connected to one end of the first sliding rail, and the first positioning part is provided with a first positioning hole. The second rotary guiding piece comprises a second positioning part and a second sliding rail, the second positioning part is connected to one end of the second sliding rail, the second positioning part is provided with a second positioning hole, and the first sliding rail and the second sliding rail are arranged in a crossed mode. The sliding assembly is provided with a through hole, and the sliding assembly can slide and be locked on the first sliding rail and the second sliding rail. One ends of the two positioning pieces are arranged in the first positioning hole and the second positioning hole respectively, and the other ends of the two positioning pieces protrude out of the first positioning part and the second positioning part. The skin hole guiding device can improve the assembly hole forming precision and guarantee the product quality.
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Description

Technical Field

[0001] The utility model relates to the technical field of aircraft component assembly, in particular to a skin pilot hole device. Background Technique

[0002] In the process of aircraft airframe structure assembly, riveting and screwing are the main ways to connect the aircraft skin and the skeleton, and between the skeletons. Before carrying out riveting and screwing operations, connection holes need to be drilled. The accuracy of the connection holes directly affects the quality of riveting and screwing, and ultimately affects the service life and aerodynamic shape of the aircraft. Therefore, hole making is an important link in the aircraft assembly process. In the process of airframe structure assembly, the reference holes are usually made on the skeleton, and then the pilot hole operation is carried out from the skeleton to the skin, or the guide holes are made on one layer of the laminated components and need to be pilot-holed to other layers.

[0003] When the reference holes are made inside a structure with poor openness or a closed structure, when carrying out pilot hole in this area, limited by factors such as the working space, the operation difficulty of the hole-making equipment is large, and it is very easy to cause problems such as hole out-of-tolerance, seriously threatening the assembly quality and safety of the fighter aircraft. At present, the hole making on the skin in the closed area is mainly carried out by the method of manual scribing. This method has poor hole-making accuracy and is prone to product quality problems such as hole misalignment.

[0004] Therefore, there is an urgent need for a skin pilot hole device to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a skin pilot hole device, which can realize pilot hole from the aircraft skeleton to the skin in the closed area, improve the pilot hole accuracy and ensure the product quality.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] Provide a skin pilot hole device, including:

[0008] A first rotary guide member, the first rotary guide member includes a first positioning portion and a first slide rail, the first positioning portion is connected to one end of the first slide rail, and the first positioning portion is provided with a first positioning hole;

[0009] A second rotary guide member, the second rotary guide member includes a second positioning portion and a second slide rail, the second positioning portion is connected to one end of the second slide rail, the second positioning portion is provided with a second positioning hole, and the first slide rail and the second slide rail are cross-arranged;

[0010] A sliding component, the sliding component is provided with a through hole, and the sliding component can slide and be locked on the first slide rail and the second slide rail;

[0011] Two positioning members, one ends of the two positioning members are respectively arranged in the first positioning hole and the second positioning hole, and the other ends protrude from the first positioning portion and the second positioning portion.

[0012] As an alternative embodiment of the skin punching device, the first slide rail includes two first extension arms, the two first extension arms are spaced apart from each other and arranged in parallel, one ends of the two first extension arms are connected to the first positioning portion, and the sliding component can slide between the two first extension arms.

[0013] As an alternative embodiment of the skin punching device, the second slide rail includes two second extension arms, one ends of the two second extension arms are connected to the second positioning portion, the two second extension arms are spaced apart from each other and arranged in parallel, and the sliding component can slide between the two second extension arms.

[0014] As an alternative embodiment of the skin punching device, the sliding component includes a sliding member and a locking member, the sliding member slides on the first slide rail and the second slide rail, and the locking member is connected to the sliding member and fixes the sliding member on the first slide rail and the second slide rail.

[0015] As an alternative embodiment of the skin punching device, the sliding member includes a sliding portion and an abutting portion, the sliding portion slides on the first slide rail and the second slide rail, the locking member is connected to the sliding portion, and the first slide rail and the second slide rail are clamped between the locking member and the abutting portion.

[0016] As an alternative embodiment of the skin punching device, the locking member includes a connection hole, and the connection hole is threadedly connected to the sliding portion.

[0017] As an alternative embodiment of the skin punching device, the sliding member further includes a hand-held portion, and the hand-held portion is connected to the abutting portion.

[0018] As an alternative embodiment of the skin punching device, the sliding component further includes a bushing, a through hole is arranged on the sliding member, and one end of the bushing is inserted into the through hole.

[0019] As an alternative embodiment of the skin punching device, the skin punching device further includes a backing plate, and the backing plate abuts against a surface of the sliding component facing away from the first rotary guide member and the second rotary guide member.

[0020] As an alternative embodiment of the skin punching device, the backing plate includes a mounting groove, and the mounting groove is arranged corresponding to the through hole.

[0021] The beneficial effects of the present utility model:

[0022] The utility model provides a skin hole-drilling device. One end of two positioning members can be respectively inserted into the first positioning hole and the second positioning hole, and the other end can be inserted into two reference holes of a framework, so as to realize the positioning of a first rotary guiding member and a second rotary guiding member on the framework. The first rotary guiding member and the second rotary guiding member can respectively rotate around the two positioning members, rotate the first slide rail and the second slide rail to be cross-arranged, so that a sliding assembly can slide along the first slide rail and the second slide rail simultaneously, move the sliding assembly to the position of a mounting hole on the framework, the position of the mounting hole is the position of the hole to be drilled on a panel, lock the sliding assembly with the first slide rail and the second slide rail, realize the fixation of the relative position between the sliding assembly and the two reference holes, remove the skin hole-drilling device from the framework after locking, position the panel to be drilled on the framework, then reset the two positioning members into the two reference holes, and the position of the hole to be drilled can be determined through the position of the sliding assembly, so as to realize the hole-drilling of the panel by the framework. The skin hole-drilling device utilizes the relative position relationship between the reference hole and the mounting hole, correspondingly arranges the first positioning hole and the second positioning hole in the two reference holes, correspondingly arranges the hole to be drilled and the mounting hole, realizes the positioning of the hole to be drilled based on the first positioning hole and the second positioning hole, thereby completing the hole-drilling from the closed-area aircraft framework to the skin, improving the assembly hole-making precision and ensuring the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural view of the skin hole-drilling device provided by the utility model;

[0024] Figure 2 is a schematic structural view of a sliding member of the skin hole-drilling device provided by the utility model;

[0025] Figure 3 is a schematic structural view of a backing plate of the skin hole-drilling device provided by the utility model.

[0026] In the figure:

[0027] 1. First rotary guiding member; 11. First positioning portion; 111. First positioning hole; 12. First slide rail; 121. First extension arm;

[0028] 2. Second rotary guiding member; 21. Second positioning portion; 211. Second positioning hole; 22. Second slide rail; 221. Second extension arm;

[0029] 3. Sliding assembly; 31. Through hole; 32. Sliding member; 321. Sliding portion; 322. Abutting portion; 323. Holding portion; 33. Locking member; 331. Connecting hole; 34. Bushing;

[0030] 4. Positioning member;

[0031] 5. Backing plate; 51. Mounting groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only for explaining the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the convenience of description, only the parts related to the present utility model rather than all the structures are shown in the drawings.

[0033] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0034] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under", and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0035] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0036] Such as Figures 1 to 3As shown in the figure, the skin hole guiding device of this embodiment includes a first rotating guide member 1, a second rotating guide member 2, a sliding assembly 3, and two positioning members 4. The first rotating guide member 1 includes a first positioning portion 11 and a first sliding rail 12. The first positioning portion 11 is connected to one end of the first sliding rail 12, and the first positioning portion 11 is provided with a first positioning hole 111. The second rotating guide member 2 includes a second positioning portion 21 and a second sliding rail 22. The second positioning portion 21 is connected to one end of the second sliding rail 22, and the second positioning portion 21 is provided with a second positioning hole 211. The first sliding rail 12 and the second sliding rail 22 are arranged crosswise. The sliding assembly 3 is provided with a through hole 31, and the sliding assembly 3 can slide and lock on the first sliding rail 12 and the second sliding rail 22. One ends of the two positioning members 4 are respectively arranged in the first positioning hole 111 and the second positioning hole 211, and the other ends protrude from the first positioning portion 11 and the second positioning portion 21.

[0037] Based on the above design, one ends of the two positioning members 4 can be respectively inserted into the first positioning hole 111 and the second positioning hole 211, and the other ends can be inserted into two reference holes of the skeleton, so as to realize the positioning of the first rotating guide member 1 and the second rotating guide member 2 on the skeleton. The first rotating guide member 1 and the second rotating guide member 2 can respectively rotate around the two positioning members 4, and rotate the first sliding rail 12 and the second sliding rail 22 to be arranged crosswise, so that the sliding assembly 3 can slide along the first sliding rail 12 and the second sliding rail 22 at the same time. Move the sliding assembly 3 to make the position of the through hole 31 match the position of the mounting hole on the skeleton. The position of the mounting hole is the position of the hole to be guided on the panel. Lock the sliding assembly 3 with the first sliding rail 12 and the second sliding rail 22 to realize the fixation of the relative position between the sliding assembly 3 and the two positioning members 4. After locking, remove the skin hole guiding device from the skeleton, position the panel to be hole-guided on the skeleton, and then reset the two positioning members 4 into the two reference holes. The position of the hole to be guided can be determined by the position of the sliding assembly 3, so as to realize the hole guiding of the skeleton to the panel. This skin hole guiding device utilizes the relative position relationship between the reference hole and the mounting hole, correspondingly arranges the first positioning hole 111 and the second positioning hole 211 in the two reference holes, and correspondingly arranges the hole to be guided and the mounting hole, so as to realize the positioning of the hole to be guided based on the first positioning hole 111 and the second positioning hole 211, thereby completing the hole guiding from the closed-area aircraft skeleton to the skin, improving the assembly hole-making accuracy, and ensuring the product quality.

[0038] It should be noted that the two ends of the positioning member 4 can be set to different sizes to adapt to the sizes of different reference holes on the skeleton and improve the adaptability of this skin hole guiding device.

[0039] Specifically, the first slide rail 12 includes two first extension arms 121. The two first extension arms 121 are spaced apart from each other and arranged in parallel. One end of each of the two first extension arms 121 is connected to the first positioning portion 11, and the sliding assembly 3 can slide between the two first extension arms 121. Optionally, the second slide rail 22 includes two second extension arms 221. One end of each of the two second extension arms 221 is connected to the second positioning portion 21. The two second extension arms 221 are spaced apart from each other and arranged in parallel, and the sliding assembly 3 can slide between the two second extension arms 221. Such an arrangement makes the structures of the first rotation guide member 1 and the second rotation guide member 2 simple. The sliding assembly 3 is disposed through the first slide rail 12 and the second slide rail 22, facilitating the assembly of the sliding assembly 3 onto the first slide rail 12 and the second slide rail 22.

[0040] Further, the sliding assembly 3 includes a sliding member 32 and a locking member 33. The sliding member 32 slides on the first slide rail 12 and the second slide rail 22, and the locking member 33 is connected to the sliding member 32 and fixes the sliding member 32 on the first slide rail 12 and the second slide rail 22. Specifically, the sliding member 32 includes a sliding portion 321 and an abutting portion 322. The abutting portion 322 is connected to one end of the sliding portion 321. The cross-sectional area of the abutting portion 322 is larger than that of the sliding portion 321. The sliding portion 321 is disposed through the first slide rail 12 and the second slide rail 22 and slides under the guidance of the first slide rail 12 and the second slide rail 22. The locking member 33 is connected to the end of the sliding portion 321 away from the abutting portion 322. The first slide rail 12 and the second slide rail 22 are clamped between the locking member 33 and the abutting portion 322. By disposing the sliding portion 321 through the first slide rail 12 and the second slide rail 22, the abutting portion 322 can limit the movement of the sliding portion 321 in the passing-through direction and prevent the sliding portion 321 from falling off. Through the locking and clamping between the locking member 33 and the abutting portion 322, the sliding assembly 3 can be fixed on the first slide rail 12 and the second slide rail 22.

[0041] Optionally, the locking member 33 includes a connection hole 331. Internal threads are provided on the inner wall of the connection hole 331. The sliding portion 321 has a cylindrical structure, and external threads are provided on the outer wall of the sliding portion 321. The connection hole 331 is threadedly connected to the sliding portion 321, with a simple structure and convenient operation.

[0042] Optionally, the sliding member 32 further includes a hand-held portion 323. The hand-held portion 323 is connected to the abutting portion 322. When using the locking member 33 to lock the sliding portion 321, the user holds the hand-held portion 323 to prevent the sliding member 32 from rotating with the locking member 33, ensuring the locking effect of the sliding assembly 3 on the first slide rail 12 and the second slide rail 22 and realizing the stability of the sliding assembly 3.

[0043] Further, the sliding assembly 3 further includes a bushing 34. The through hole 31 is provided on the sliding member 32. One end of the bushing 34 is disposed in the through hole 31, and the other end can be inserted into the positioning hole on the skeleton, which can accurately position the through hole 31 and the positioning hole and improve the accuracy of the pilot hole. Optionally, the bushing 34 is provided with a guide hole, and the pilot hole operation can be realized through the guide hole. The aperture of the guide hole can be made into different specifications according to actual requirements.

[0044] Further, the skin pilot hole device further includes a backing plate 5. The backing plate 5 abuts against the side of the sliding assembly 3 facing away from the first rotary guide 1 and the second rotary guide 2, that is, the backing plate 5 is disposed between the sliding assembly 3 and the skeleton. The thickness of the backing plate 5 can be adjusted according to the use requirements, so that the sliding assembly 3 can abut against the skeleton, ensuring that the skin pilot hole device has good stability.

[0045] Optionally, the backing plate 5 includes a mounting groove 51. The mounting groove 51 is correspondingly arranged with the through hole 31, so that the mounting groove 51 can avoid the outer side wall of the through hole 31, facilitating the insertion of the bushing 34 into the through hole 31 and the positioning hole.

[0046] When using the skin pilot hole device proposed in this embodiment, first assemble the sliding member 32 to the first slide rail 12 and the second slide rail 22, insert a positioning member 4 into the first positioning hole 111 and a reference hole on the skeleton, and insert the other positioning member 4 into the second positioning hole 211 and another reference hole, so that the skin pilot hole device is positioned on the skeleton. Insert the bushing 34 into the through hole 31, and by rotating the first rotary guide 1 and the second rotary guide 2, move the sliding member 32 to the position of the positioning hole, and push the bushing 34 to move in the through hole 31, so that one end of the bushing 34 is located in the positioning hole and the other end is located in the through hole 31. Place the backing plate 5 between the abutting portion 322 and the skeleton to ensure the stability of the sliding member 32, and tighten the locking member 33 with the sliding portion 321, so that the sliding assembly 3 is fixed to the first rotary guide 1 and the second rotary guide 2. Detach the skin pilot hole device from the skeleton, position the panel to be pilot-holed on the skeleton, reset the skin pilot hole device to the panel, and perform pilot hole on the panel through the guide hole of the bushing 34, then the pilot hole of the panel by the skeleton can be completed.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limiting the embodiments of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the embodiments here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A skin hole-making device, characterized in that: include: A first rotating guide member (1), the first rotating guide member (1) comprising a first positioning portion (11) and a first slide rail (12), the first positioning portion (11) being connected to one end of the first slide rail (12), and the first positioning portion (11) being provided with a first positioning hole (111); A second rotating guide member (2), the second rotating guide member (2) comprising a second positioning portion (21) and a second slide rail (22), the second positioning portion (21) being connected to one end of the second slide rail (22), the second positioning portion (21) being provided with a second positioning hole (211), and the first slide rail (12) and the second slide rail (22) being arranged crosswise; A sliding assembly (3), wherein the sliding assembly (3) is provided with a through hole (31), and the sliding assembly (3) is capable of sliding and locking on the first slide rail (12) and the second slide rail (22); Two positioning members (4), one end of the two positioning members (4) is respectively arranged in the first positioning hole (111) and the second positioning hole (211), and the other end protrudes from the first positioning portion (11) and the second positioning portion (21).

2. The skin hole-making device according to claim 1, characterized in that: The first slide rail (12) comprises two first extension arms (121), the two first extension arms (121) are spaced apart from each other and arranged in parallel, one end of the two first extension arms (121) is connected to the first positioning portion (11), and the sliding assembly (3) is capable of sliding between the two first extension arms (121).

3. The skin hole-making device according to claim 1, characterized in that: The second slide rail (22) comprises two second extension arms (221), one end of the two second extension arms (221) is connected to the second positioning portion (21), the two second extension arms (221) are spaced apart from each other and arranged in parallel, and the sliding assembly (3) is capable of sliding between the two second extension arms (221).

4. The skin hole-making device according to claim 1, characterized in that: The sliding assembly (3) comprises a sliding member (32) and a locking member (33); the sliding member (32) slides on the first slide rail (12) and the second slide rail (22); the locking member (33) is connected to the sliding member (32) and fixes the sliding member (32) on the first slide rail (12) and the second slide rail (22).

5. The skin hole-making device according to claim 4, characterized in that: The sliding member (32) comprises a sliding portion (321) and an abutting portion (322), wherein the sliding portion (321) slides on the first slide rail (12) and the second slide rail (22), and the locking member (33) is connected to the sliding portion (321), and the first slide rail (12) and the second slide rail (22) are clamped between the locking member (33) and the abutting portion (322).

6. The skin hole-making device according to claim 5, characterized in that: The locking member (33) comprises a connecting hole (331), and the connecting hole (331) is threadedly connected to the sliding portion (321).

7. The skin hole-making device according to claim 5, characterized in that: The sliding member (32) further comprises a hand-held portion (323), wherein the hand-held portion (323) is connected to the abutting portion (322).

8. The skin hole-making device according to claim 4, characterized in that: The sliding assembly (3) further comprises a bushing (34), the through hole (31) is arranged on the sliding member (32), and one end of the bushing (34) is inserted into the through hole (31).

9. The skin hole-making device according to claim 1, characterized in that: The skin hole-guiding device further comprises a pad (5), wherein the pad (5) abuts against a side of the sliding assembly (3) which faces away from the first rotating guide member (1) and the second rotating guide member (2).

10. The skin hole-making device according to claim 9, characterized in that: The pad (5) comprises a mounting groove (51), and the mounting groove (51) is arranged corresponding to the through hole (31).