A structure of a connecting jumper wire for an elevator tab of an airplane

Abstract

The utility model discloses an elevator of airplane is with the connecting iron wire structure of adjusting piece of airplane technical field in the field of aircraft structure design, including the suspension joint, be provided with the adjusting piece joint on the suspension joint, be provided with the rotating component between the suspension joint and adjusting piece joint, the outside of suspension joint and adjusting piece joint all is provided with the border plate, be provided with the first angle piece on the suspension joint, the first angle piece is corresponded to set up with the suspension joint, be provided with the second angle piece on the adjusting piece joint, the second angle piece is L shape setting. The utility model discloses through setting first angle piece and second angle piece, make the adjusting piece in the connection iron wire through angle piece indirect contact, under the condition that the electric continuity between each part is satisfied, still can reach the requirement of lightning protection, and the part, angle piece and iron wire adopt bolt, support plate nut and rivet connection, convenient to dismount, the overall of structure is beneficial to, increases the service life of part.

Description

Technical Field

[0001] This utility model relates to the field of aircraft structural design technology, and in particular to a grounding wire structure for an elevator adjustment piece in an aircraft. Background Technology

[0002] Adjustment tabs are components used for aerodynamic compensation and balance of the control surfaces of medium-speed, low-speed, and subsonic aircraft tail fins. They are an integral part of the aircraft tail fin in the aerospace equipment industry, positioned at appropriate locations on the trailing edge of the control surfaces and connected to the stabilizer via a linkage mechanism. When the main control surfaces are manipulated, they deflect in the opposite or same direction to reduce the stick force or increase the control feel. To meet the requirements for lightning protection of the wings, all wing components must meet electrical continuity requirements. However, existing technologies have some problems: when the ground wire is directly connected to the connector, due to the difference in materials, galvanic corrosion will occur in the presence of an electrolyte, leading to rapid corrosion of the iron wire at the connector, a decrease in mechanical strength, and even connection failure. Furthermore, the volume expansion of corrosion products may further damage the contact interface and increase contact resistance. Therefore, we propose a ground wire connection structure for aircraft elevator trim tabs. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a grounding wire connection structure for an aircraft elevator adjustment piece. By mechanically connecting a corner piece between the grounding wire and the connector, an indirect connection is achieved. The purpose of using a mechanical connection is to facilitate replacement of the corner piece after corrosion, and to extend the life of the connector.

[0004] The purpose of this utility model is achieved as follows: a grounding wire structure for connecting an elevator adjustment piece to an aircraft includes a suspension connector, an adjustment piece connector on the suspension connector, a rotating assembly between the suspension connector and the adjustment piece connector, a flange on the outer side of both the suspension connector and the adjustment piece connector, a first corner piece on the suspension connector corresponding to the suspension connector, and a second corner piece on the adjustment piece connector, the second corner piece being L-shaped.

[0005] Optionally, the suspension connector is provided with a connecting end, the connecting end is provided with an adjustment hole, and the suspension connector is provided with a groove, the groove being provided in accordance with the contour of the suspension connector.

[0006] Optionally, the first corner piece is fixedly installed in the groove, and the outer contour of the first corner piece matches the contour of the groove.

[0007] Optionally, the adjusting plate joint is provided with a rotating seat, the rotating seat is provided with a connecting plate, the connecting plate has a through hole, and there are two connecting plates, which are arranged symmetrically.

[0008] Optionally, the rotating assembly includes a shaft pin, a bearing is provided in the adjusting hole, a sleeve is provided in each of the two connecting plates, the connecting end is correspondingly provided with the rotating seat, the bearing is in contact with the sleeve, the shaft pin passes through the two connecting plates, the sleeve and the bearing, a retaining ring is sleeved on the shaft pin, a limit pin is inserted into the shaft pin, and the limit pin is in contact with the retaining ring.

[0009] Optionally, the retaining ring has a limiting groove, and there are multiple limiting grooves distributed in a circle. The limiting pin is inserted into the limiting groove.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. By setting the first and second corner plates, the adjusting plates can make indirect contact with the ground wire through the corner plates. This not only ensures electrical continuity between the components but also meets the requirements for lightning protection. At the same time, the components, corner plates, and ground wires are connected by bolts, bracket nuts, and rivets, which facilitates disassembly, promotes the overall structure, and increases the service life of the components.

[0011] 2. The rotating assembly adopts a symmetrical design with bearings and sleeves, combined with a limiting groove and a double locking mechanism, which can effectively reduce friction loss, improve motion flexibility, and prevent loosening or displacement, so that the overall structure can maintain high reliability and long service life under dynamic load. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure provided by this utility model.

[0014] Figure 2 This is a schematic diagram of the suspension joint structure provided by this utility model.

[0015] Figure 3 This is a schematic diagram of the adjustment plate connector structure provided by this utility model.

[0016] Figure 4 This is a schematic diagram of the rotating component structure provided by this utility model.

[0017] Figure 5 This is a schematic diagram of the retaining ring structure provided by this utility model.

[0018] In the diagram: 1. Suspension joint; 11. Edge plate; 12. First corner piece; 13. Connecting end; 14. Adjusting hole; 15. Groove; 2. Adjusting piece joint; 21. Second corner piece; 22. Rotating seat; 23. Connecting plate; 24. Through hole; 3. Rotating assembly; 31. Shaft pin; 32. Bearing; 33. Sleeve; 34. Snap ring; 35. Limiting pin; 36. Limiting groove. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1 to 5 The above describes a grounding wire structure for connecting an elevator adjustment piece to an aircraft. It includes a suspension connector 1, an adjustment piece connector 2 on the suspension connector 1, a rotating assembly 3 between the suspension connector 1 and the adjustment piece connector 2, a flange 11 on the outer side of both the suspension connector 1 and the adjustment piece connector 2, a first corner piece 12 on the suspension connector 1 corresponding to the suspension connector 1, and a second corner piece 21 on the adjustment piece connector 2 in an L-shape.

[0021] It should be noted that in the embodiments provided by this utility model, the connection between the adjusting plate and the ground wire is indirect. Angle pieces are fixedly connected to the adjusting plate suspension connector 1 and the adjusting plate connector 2, and the angle pieces are directly connected to the ground wire. This ensures electrical continuity between the elevator adjusting plate and the elevator main wing surface connector, while also preventing direct contact between the ground wire and the metal connector, reducing the possibility of galvanic corrosion of the metal connector, and extending the service life of the metal connector. Furthermore, the transitional connection between the first corner piece 12 and the second corner piece 21 can effectively isolate the direct contact between the ground wire and the metal connector, ensuring the electrical continuity required for lightning protection of the wing while reducing the risk of galvanic corrosion between dissimilar metals.

[0022] Secondly, the transition function of the first corner plate 12 not only maintains the integrity of the current path, but also avoids the accumulation of corrosive media at the connection interface, thereby improving the long-term reliability and environmental adaptability of the joint. It can also reduce the physical damage of corrosion products to the contact interface, help maintain stable contact resistance, extend the service life of the overall structure, and reduce the difficulty of maintenance and inspection.

[0023] Specifically, the suspension connector 1 has a groove 15, which corresponds to the outline of the suspension connector 1. The first corner piece 12 is fixedly installed in the groove 15, and the outer outline of the first corner piece 12 matches the outline of the groove 15.

[0024] Furthermore, the contour matching design of the groove 15 and the first corner piece 12 can enhance the overall structure, making the two fit tightly, effectively dispersing stress and improving connection stiffness. Secondly, the precise contour matching can not only simplify the assembly process and avoid fretting wear caused by gaps, but also optimize the current conduction path and ensure the stability of the electrical connection. In addition, the embedded installation method reduces the direct erosion of the corner piece by the external environment and improves the corrosion resistance and long-term reliability of the joint under complex working conditions.

[0025] Specifically, the suspension joint 1 is provided with a connecting end 13, and the connecting end 13 is provided with an adjustment hole 14. The adjusting plate joint 2 is provided with a rotating seat 22, and the rotating seat 22 is provided with a connecting plate 23. The connecting plate 23 is provided with a through hole 24. There are two connecting plates 23, which are symmetrically arranged. The rotating component 3 includes a shaft pin 31. A bearing 32 is provided in the adjustment hole 14. A sleeve 33 is provided in each of the two connecting plates 23. The connecting end 13 is correspondingly arranged with the rotating seat 22. The bearing 32 contacts the sleeve 33. The shaft pin 31 passes through the two connecting plates 23, the sleeve 33 and the bearing 32. A retaining ring 34 is sleeved on the shaft pin 31. A limiting pin 35 is inserted into the shaft pin 31. The limiting pin 35 contacts the retaining ring 34. A limiting groove 36 is provided on the retaining ring 34. There are multiple limiting grooves 36, which are circumferentially distributed. The limiting pin 35 is inserted into the limiting groove 36.

[0026] Furthermore, the design of symmetrical connecting plate 23 and shaft pin 31 ensures uniform force on rotating component 3 and improves motion stability. At the same time, the bearing 32 in the adjusting hole 14 cooperates with sleeve 33 to reduce friction loss and make the adjusting plate move more smoothly. The shaft pin 31 is fixed through and locked by the double locking of retaining ring 34 and limit pin 35, which not only ensures axial positioning accuracy but also prevents accidental loosening and enhances structural reliability. Furthermore, during installation, first install the bearing 32 in the adjustment hole 14, then install the sleeve 33 in the connection hole, align the connecting end 13 of the suspension connector 1 with the connecting seat so that the bearing 32 and the sleeve 33 are aligned, then insert the shaft pin 31 through, after fitting the retaining ring 34 on the shaft pin 31, insert the limiting pin 35 into the small hole at the end of the shaft pin 31 and pass through the limiting groove 36 on the shaft pin 31 to achieve fixation; In addition, the modular structure not only facilitates maintenance and disassembly, but also effectively distributes dynamic loads and extends the service life of key components.

[0027] In summary, this application, by setting the first corner piece 12 and the second corner piece 21, enables the adjusting piece to indirectly contact the grounding wire through the corner piece. This not only ensures electrical continuity between the components but also meets the requirements for lightning protection. Furthermore, the components, corner pieces, and grounding wire are connected by bolts, bracket nuts, and rivets, which facilitates disassembly, promotes structural integrity, and increases the service life of the components.

[0028] Secondly, the rotating component 3 adopts a symmetrical design with bearing 32 and sleeve 33, combined with limit groove 36 and double locking mechanism, which can effectively reduce friction loss, improve motion flexibility, and prevent loosening or displacement, so that the overall structure can still maintain high reliability and long service life under dynamic load.

[0029] The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A grounding wire connection structure for an aircraft elevator adjustment plate, comprising a suspension connector (1), characterized in that: The suspension connector (1) is provided with an adjustment plate connector (2), and a rotating assembly (3) is provided between the suspension connector (1) and the adjustment plate connector (2). Both the suspension connector (1) and the adjustment plate connector (2) are provided with a flange plate (11) on their outer sides. The suspension connector (1) is provided with a first corner piece (12), which is provided in correspondence with the suspension connector (1). The adjustment plate connector (2) is provided with a second corner piece (21), which is L-shaped.

2. The structure for connecting the ground wire to the elevator adjustment piece for an aircraft according to claim 1, characterized in that: The suspension connector (1) is provided with a connecting end (13), the connecting end (13) is provided with an adjustment hole (14), and the suspension connector (1) is provided with a groove (15), the groove (15) being provided in accordance with the outline of the suspension connector (1).

3. The structure for connecting the ground wire to the elevator adjustment piece for an aircraft according to claim 2, characterized in that: The first corner piece (12) is fixedly installed in the groove (15), and the outer contour of the first corner piece (12) matches the contour of the groove (15).

4. The structure for connecting the ground wire to the elevator adjustment piece for an aircraft according to claim 2, characterized in that: The adjusting plate connector (2) is provided with a rotating seat (22), and the rotating seat (22) is provided with a connecting plate (23). The connecting plate (23) has a through hole (24). There are two connecting plates (23), and the two connecting plates (23) are symmetrically arranged.

5. The structure for connecting the ground wire to the elevator adjustment piece for an aircraft according to claim 4, characterized in that: The rotating assembly (3) includes a shaft pin (31), a bearing (32) is provided in the adjusting hole (14), and a sleeve (33) is provided in each of the two connecting plates (23). The connecting end (13) is correspondingly provided with the rotating seat (22). The bearing (32) is in contact with the sleeve (33). The shaft pin (31) passes through the two connecting plates (23), the sleeve (33) and the bearing (32). A retaining ring (34) is sleeved on the shaft pin (31). A limiting pin (35) is inserted into the shaft pin (31). The limiting pin (35) is in contact with the retaining ring (34).

6. The structure for connecting the ground wire to the elevator adjustment piece for an aircraft according to claim 5, characterized in that: The retaining ring (34) has a limiting groove (36) and there are multiple limiting grooves (36) distributed in a circle. The limiting pin (35) is inserted into the limiting groove (36).

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