H-shaped winglet integral vertical stabilizer box section

Abstract

The utility model belongs to an airplane structural strength optimization design technology, and particularly relates to an H-shaped winglet integral vertical stabilizer box section which comprises a front beam, a rear beam, an upper end rib, a lower end rib, a middle rib and an outer side wall plate, wherein the upper end rib and the lower end rib are used for connecting the two ends of the front beam and the two ends of the rear beam, the middle rib is used for connecting the middle positions of the front beam and the rear beam, and the outer side wall plate covers one side of the integral vertical stabilizer box section. Wherein three rudder suspension joints used for being hinged to a rudder are arranged behind the rear beam, a vertical stabilizer mounting joint used for being fixedly connected with a horizontal stabilizer main beam and a horizontal stabilizer auxiliary beam is arranged on one side face of the middle rib, and a rudder actuator mounting joint used for being connected with an actuator is arranged on one side face of the middle rib. The problems that a plurality of parts are difficult to arrange in a small space and structural parts are difficult to connect are fundamentally solved, the number of the parts and fasteners is reduced, the structural weight is reduced, and the structural efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to aircraft structure strength optimization design technology, in particular to an H-shaped winglet integral vertical stabilizer box section. Background Art

[0002] The vertical stabilizer structure of the H-shaped winglet generally includes the leading edge, front beam, rear beam, ribs, two side walls, rudder suspension joints, and vertical stabilizer and horizontal stabilizer connection joints. The conventional design is to design the above parts separately and then connect them with fasteners. Due to the limitations of the airfoil size and the distance between the joints, there is often cross-interference between the parts, the structure is difficult to arrange, the connection area is complex, the number of parts and fasteners is large, the structure is heavy, the stress in the connection area is high, the rigidity is poor, the assembly workload is large, and the manufacturing cycle is long. Utility Model Content

[0003] In order to solve the above problems, the present application provides an H-shaped winglet integral vertical stabilizer box section, comprising:

[0004] The front beam, the rear beam, the upper rib and the lower rib connecting the two ends of the front beam and the rear beam, the middle rib connecting the middle of the front beam and the rear beam, and the outer wall plate covering one side of the integral vertical stabilizer box section;

[0005] Among them, three rudder suspension joints for being hinged to the rudder are arranged behind the rear beam, one side of the middle rib has a vertical stabilizer mounting joint for being fixedly connected to the horizontal stabilizer main beam and the horizontal stabilizer auxiliary beam, and one side of the middle rib has a rudder actuator mounting joint for being connected to the actuator.

[0006] Preferably, the front beam has a bend at a connection with the middle rib.

[0007] Preferably, the vertical stabilizer mounting joint is in the form of a tension angle box, which is connected to the front beam and the rear beam respectively through multiple sets of tension bolts and cylindrical nuts.

[0008] Preferably, the rudder actuator mounting joint is arranged on the outside of the outer wall panel, and the joint of the rudder actuator is divided into a front beam joint and a rear beam joint. The bottom plate of the front beam joint is a section of the front beam edge strip that is locally reinforced, and a plurality of ribs are arranged on the front beam web plate. The plurality of ribs and the bottom plate of the front beam joint form a tension angle box; the bottom plate of the rear beam joint is a section of the rear beam edge strip that is locally reinforced.

[0009] Preferably, the middle rib is a hollow double-layer structure formed by two rib plates.

[0010] Preferably, the outer wall plate, the upper end rib, the lower end rib, the front beam, the rear beam and the middle rib are an integrated structure.

[0011] Preferably, the front beam and the front beam joint are an integral structure.

[0012] The advantages of this application include: the front beam, rear beam, upper and lower end ribs, outer wall plate, three suspension joints connected to the rudder and the joint connected to the actuator of the vertical stabilizer box section are comprehensively optimized, which fundamentally solves the problem of difficulty in arranging multiple parts in a small space and difficulty in connecting between structural parts, reduces the number of parts and fasteners, reduces the weight of the structure, and improves the structural efficiency. The actual production and installation have proved that this design method has good manufacturing processability, greatly shortens the manufacturing cycle of the winglet, and reduces the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the internal axonometric view of the integral vertical stabilizer box section;

[0014] Figure 2 External axonometric view of the integral vertical stabilizer box section;

[0015] Figure 3 Front view of the actuator mounting connector;

[0016] Figure 4 Schematic diagram of the front of the connector to the rudder actuator;

[0017] Figure 5 Schematic diagram of the connection between the integral vertical stabilizer, rudder and rudder actuator;

[0018] Figure 6 Schematic diagram of the overall vertical stabilizer and horizontal stabilizer connection. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the implementation of this application clearer, the technical scheme in the implementation of this application will be described in more detail in combination with the drawings in the implementation of this application. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described implementation is a part of the implementation of this application, not all of the implementations. The implementation described below with reference to the drawings is exemplary and is intended to be used to explain this application, and cannot be understood as a limitation on this application. Based on the implementation in this application, all other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application. The implementation of this application is described in detail below in combination with the drawings.

[0020] The present application provides an H-shaped winglet integral vertical stabilizer box section, comprising:

[0021] A front beam 1, a rear beam 3, an upper rib 2 and a lower rib 6 connecting the two ends of the front beam 1 and the rear beam 3, a middle rib connecting the middle of the front beam 1 and the rear beam 3, and an outer wall plate 5 covering one side of the integral vertical stabilizer box section;

[0022] Among them, three rudder suspension joints for articulating with the rudder 12 are arranged behind the rear beam 3, including an upper suspension joint 7, a lower suspension joint 9 and a middle suspension joint 8. In order to balance the bending moment caused by the concentrated load of the rudder joint, an upper end rib 2 and a lower end rib 6 are arranged in front of the upper suspension joint 7 and the lower suspension joint 9 in front of the rear beam 3. The load of the rudder is transferred to the rear beam 3. A side of the middle rib has a vertical stabilizer mounting joint 4 for fixed connection with the horizontal stabilizer main beam 14 and the horizontal stabilizer auxiliary beam 13, and a side of the middle rib has a rudder actuator mounting joint for connecting with the actuator 11.

[0023] In some optional embodiments, the front beam 1 has a bend at the connection with the middle rib.

[0024] In some optional embodiments, the vertical stabilizer mounting joint 4 is in the form of a tension angle box, which is connected to the front beam and the rear beam respectively through multiple sets of tension bolts and cylindrical nuts. It not only serves to connect with the horizontal stabilizer, but also balances the bending moment caused by the concentrated load on the middle suspension joint of the rudder.

[0025] In some optional embodiments, the rudder actuator mounting joint 10 is arranged on the outside of the outer wall panel 5, and the joint 10 of the rudder actuator is divided into a front beam joint and a rear beam joint. The bottom plate of the front beam joint is a section of the front beam edge strip that is locally reinforced, and a plurality of ribs are arranged on the front beam web. The plurality of ribs and the bottom plate of the front beam joint form a tension angle box; the bottom plate of the rear beam joint is a section of the rear beam edge strip that is locally reinforced.

[0026] In some optional embodiments, the middle rib is a hollow double-layer structure formed by two rib plates.

[0027] In some optional embodiments, the outer wall panel 5, the upper end rib 2, the lower end rib 6, the front beam 1, the rear beam 3 and the middle rib are an integrated structure.

[0028] In some optional embodiments, the front beam 1 and the front beam joint are an integral structure.

[0029] The advantages of this application include: the front beam, rear beam, upper and lower end ribs, outer wall plate, three suspension joints connected to the rudder and the joint connected to the actuator of the vertical stabilizer box section are comprehensively optimized, which fundamentally solves the problem of difficulty in arranging multiple parts in a small space and difficulty in connecting between structural parts, reduces the number of parts and fasteners, reduces the weight of the structure, and improves the structural efficiency. The actual production and installation have proved that this design method has good manufacturing processability, greatly shortens the manufacturing cycle of the winglet, and reduces the manufacturing cost.

[0030] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. An H-shaped winglet integral vertical stabilizer box section, characterized in that: include: A front beam (1), a rear beam (3), an upper end rib (2) and a lower end rib (6) connecting the two ends of the front beam (1) and the rear beam (3), a middle rib connecting the middle of the front beam (1) and the rear beam (3), and an outer wall plate (5) covering one side of the integral vertical stabilizer box section; Among them, three rudder suspension joints for being hinged to the rudder are arranged behind the rear beam (3), a side surface of the middle rib has a vertical stabilizer mounting joint (4) for being fixedly connected to the horizontal stabilizer main beam and the horizontal stabilizer auxiliary beam, and a side surface of the middle rib has a rudder actuator mounting joint (10) for being connected to the actuator.

2. The H-shaped winglet integral vertical stabilizer box section according to claim 1, characterized in that: The front beam (1) has a bend at the connection with the middle rib.

3. The H-shaped winglet integral vertical stabilizer box section according to claim 1, characterized in that: The vertical stabilizer mounting joint (4) is in the form of a tension angle box, which is connected to the front beam and the rear beam respectively through a plurality of sets of tension bolts and barrel nuts.

4. The H-shaped winglet integral vertical stabilizer box section according to claim 1, characterized in that: The rudder actuator mounting joint (10) is arranged outside the outer wall plate (5). The rudder actuator joint (10) is divided into a front beam joint and a rear beam joint. The bottom plate of the front beam joint is a section of the front beam edge strip that is locally reinforced. A plurality of ribs are arranged on the front beam web. The plurality of ribs and the bottom plate of the front beam joint form a tension angle box. The bottom plate of the rear beam joint is a section of the rear beam edge strip that is locally reinforced.

5. The H-shaped winglet integral vertical stabilizer box section according to claim 1, characterized in that: The middle rib is a hollow double-layer structure formed by two rib plates.

6. The H-shaped winglet integral vertical stabilizer box section according to claim 1, characterized in that: The outer wall plate (5), the upper end rib (2), the lower end rib (6), the front beam (1), the rear beam (3) and the middle rib are an integrated structure.

7. The H-shaped winglet integral vertical stabilizer box section according to claim 4, characterized in that: The front beam (1) and the front beam joint are an integral structure.

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