CN113911380A

CN113911380A - Bird collision resisting device applied to airplane wing

Info

Publication number: CN113911380A
Application number: CN202111077004.6A
Authority: CN
Inventors: 郭军; 刘小川; 惠旭龙
Original assignee: AVIC Aircraft Strength Research Institute
Current assignee: AVIC Aircraft Strength Research Institute
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-01-11

Abstract

The utility model relates to an aircraft structural design field for an anti bird of being applied to aircraft wing hits device, including dividing bird device and energy-absorbing device, divide the bird device to be isosceles triangle structure and most advanced towards the bird striking direction in order to cut apart the bird body, the energy-absorbing device is located and is divided the bird device and keep away from most advanced one end, the energy-absorbing device corresponds the both sides of dividing the bird device outwards to be the arc arch in order to absorb bird body kinetic energy. Has the technical effect of improving the bird impact resistance of the airplane.

Description

Bird collision resisting device applied to airplane wing

Technical Field

The application belongs to the field of aircraft structure design, and particularly relates to a bird collision resisting device applied to aircraft wings.

Background

With the development of air transportation, the frequent occurrence of bird strike accidents in airplanes in recent years. The safety accident caused by the collision accident of the airplane and the bird can cause serious damage to the parts of the airplane and serious damage to the airplane and death of people. The bird collision resistance function needs to be considered in the structural design of the airplane, the safety of personnel on the airplane and the safe landing of the airplane can be ensured after bird collision occurs, and meanwhile, the requirement of quickly maintaining and replacing structural parts can be met.

Disclosure of Invention

The application aims to provide a bird-strike resisting device applied to airplane wings so as to solve the problem that the bird-strike resisting capability of an airplane is insufficient in the prior art.

The technical scheme of the application is as follows: the bird collision resisting device comprises a bird separating device and an energy absorbing device, wherein the bird separating device is of an isosceles triangle structure, the tip end of the bird separating device faces the bird collision direction to separate a bird body, the energy absorbing device is arranged at one end, far away from the tip end, of the bird separating device, and two sides of the energy absorbing device, corresponding to the bird separating device, are outwards protruded in an arc shape to absorb kinetic energy of the bird body.

Preferably, one end of the energy absorption device, which is far away from the bird separating device, is provided with a flow guide device, and the flow guide device can guide the bird body flying to the flow guide device out of the machine body.

Preferably, the flow guide device comprises a first flow guide plate and a second flow guide plate, the first flow guide plate and the second flow guide plate are arranged at one end, away from the bird separating device, of the energy absorption device, and the first flow guide plate and the second flow guide plate are respectively inclined towards two sides of the energy absorption device.

Preferably, the bird separating device, the energy absorbing device and the flow guide device are integrally formed.

Preferably, one end of the flow guide device, which is far away from the energy absorption device, is provided with a connecting piece, the connecting piece comprises a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are connected with the machine body through bolts.

Preferably, the bird dividing device comprises a first bird dividing plate and a second bird dividing plate, the first bird dividing plate and the second bird dividing plate are both vertically arranged and have a certain included angle therebetween, and one ends of the first bird dividing plate and one end of the second bird dividing plate are connected to form a tip.

Preferably, the energy absorbing device comprises a first energy absorbing plate and a second energy absorbing plate, the first energy absorbing plate is connected with one end, away from the tip, of the first bird dividing plate, the second energy absorbing plate is connected with one end, away from the tip, of the second bird dividing plate, the first energy absorbing plate and the second energy absorbing plate are located on two sides of the first bird dividing plate and the second bird dividing plate, and the first bird dividing plate and the second bird dividing plate protrude outwards from the middle to two sides.

The bird collision resistance device applied to the airplane wings divides a bird body impacting an airplane body by the bird dividing device, and then absorbs energy of the divided bird body through the energy absorbing device, so that bird collision resistance of the airplane is improved, and safety performance of flying is guaranteed.

Preferably, the flow guide device is arranged at one end of the energy absorption device far away from the bird separating device, so that the bird body flying to the flow guide device is led out of the machine body, and the remaining bird body is prevented from impacting the machine body structure.

Drawings

In order to more clearly illustrate the technical solutions provided by the present application, the following briefly introduces the accompanying drawings. It is to be expressly understood that the drawings described below are only illustrative of some embodiments of the invention.

FIG. 1 is a schematic view of the present application and a wing mounting structure;

fig. 2 is an isometric view of the overall structure of the present application.

1. A first bird dividing plate; 2. a second bird splitting plate; 3. a first energy absorbing plate; 4. a second energy absorbing panel; 5. a first baffle; 6. a second baffle; 7. a first connecting plate; 8. a second connecting plate; 9. mounting holes; 10. a bird separating device; 11. an energy absorbing device; 12. a flow guiding device.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application.

The utility model provides an anti bird collision device of wing is applied to variable camber, as shown in figure 1, including dividing bird device 10 and energy-absorbing device 11, divide bird device 10 to be the isosceles triangle structure and most advanced towards the bird striking direction in order to cut apart the bird body, energy-absorbing device 11 locates and divides bird device 10 to keep away from most advanced one end, and energy-absorbing device 11 corresponds the both sides of dividing bird device 10 and outwards is the arc arch in order to absorb the kinetic energy of bird body.

Receive the bird body striking back, the tip through triangle-shaped cuts apart into two halves with the bird body, bird body striking quality dispersion, make the bird body slide on the device surface, because the bird body of cutting apart slides at the device surface is high-speed, still have great kinetic energy, to structural surface formation pressure, energy-absorbing device 11 sets up the arc structure of evagination and absorbs the kinetic energy of the bird body with the deformation through the structure, anti bird hits the ability reinforce, can carry out effectual protection to the aircraft organism, reduce the damage of aircraft, the safety of guarantee flight.

Through the design of first separating and then absorbing energy, the structure is simple and stable, and the size can be enlarged or reduced according to the equal proportion of the size adaptability of the wings of the airplane, so that various airplane types such as big, medium and small can be realized.

Preferably, one end of the energy absorbing device 11 far away from the bird dividing device 10 is provided with a flow guiding device 12, and the flow guiding device 12 can lead the bird body flying to the flow guiding device 12 out of the machine body. After being divided by the bird dividing device 10 and energy absorbed by the energy absorbing device 11, the flying bird body continues to fly backwards with certain energy, and the flying bird body is led out of the machine body structure after flying to the diversion device 12, so that the rest bird body is prevented from impacting the machine body.

As shown in fig. 1 and fig. 2, preferably, the flow guiding device 12 includes a first flow guiding plate 5 and a second flow guiding plate 6, the first flow guiding plate 5 and the second flow guiding plate 6 are disposed at an end of the energy absorbing device 11 far from the bird separating device 10, and the first flow guiding plate 5 and the second flow guiding plate 6 are respectively inclined to two sides of the energy absorbing device 11. Through the mode guide bird body that adopts the slope, and the collision between the bird body is less, and efficiency is higher, guaranteeing to draw the aircraft organism with the bird body under the prerequisite, the contained angle between the direction of first guide plate 5, second guide plate 6 and bird body striking is more good for a short time.

Preferably, the separating means, the flow guiding means 12 and the energy absorbing means 11 are integrally formed to ensure overall strength and stability.

Preferably, one end of the flow guide device 12, which is far away from the energy absorption device 11, is provided with a connecting piece, the connecting piece comprises a first connecting plate 7 and a second connecting plate 8, and the first connecting plate 7 and the second connecting plate 8 are in bolt connection with the machine body, so that the fixing is stable.

Preferably, the bird dividing device 10 comprises a first bird dividing plate 1 and a second bird dividing plate 2, the first bird dividing plate 1 and the second bird dividing plate 2 are both vertically arranged and have a certain included angle therebetween, and one ends of the first bird dividing plate 1 and one ends of the second bird dividing plate 2 are connected to form a tip. Under the support of first branch bird board 1 and second branch bird board 2, the pointed end has stronger intensity in order to guarantee can not warp to can effectually cut apart the bird body.

Preferably, the energy absorbing device 11 comprises a first energy absorbing plate 3 and a second energy absorbing plate 4, the first energy absorbing plate 3 is connected with one end of the first bird dividing plate 1 far away from the tip, the second energy absorbing plate 4 is connected with one end of the second bird dividing plate 2 far away from the tip, the first energy absorbing plate 3 and the second energy absorbing plate 4 are positioned at two sides of the first bird dividing plate 1 and the second bird dividing plate 2, and the first bird dividing plate 1 and the second bird dividing plate 2 protrude outwards from the middle to two sides. After the bird body is divided by the bird dividing device 10, the bird body can smoothly fall on the energy absorption device 11 for energy absorption.

Specifically, a first guide plate 5 is connected with a first energy-absorbing plate 3, a first connecting plate 7 is connected with the first guide plate 5, a second guide plate 6 is connected with a second energy-absorbing plate 4, and a second connecting plate 8 is connected with the second guide plate 6.

Each divides bird board, energy-absorbing board, guide plate, connecting plate all to set up along the string of a thread direction of wing to the edge of the overall structure that each divides bird board, energy-absorbing board, guide plate, connecting plate to constitute has seted up round mounting hole 9, is used for installing on the roof beam body structure of wing through modes such as bolt.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an anti bird of being applied to aircraft wing hits device which characterized in that: including dividing bird device (10) and energy-absorbing device (11), divide bird device (10) to be isosceles triangle structure and most advanced towards the bird striking direction in order to cut apart the bird body, the one end of keeping away from most advanced is located to branch bird device (10) energy-absorbing device (11), the both sides that energy-absorbing device (11) correspond branch bird device (10) are outwards arc arch in order to absorb bird body kinetic energy.

2. An anti-bird strike device for an aircraft wing according to claim 1, wherein: one end of the energy absorption device (11) far away from the bird separating device (10) is provided with a flow guide device (12), and the flow guide device (12) can lead bird bodies flying to the flow guide device (12) out of the machine body.

3. An anti-bird strike device for an aircraft wing as claimed in claim 2, wherein: the diversion device (12) comprises a first diversion plate (5) and a second diversion plate (6), the first diversion plate (5) and the second diversion plate (6) are arranged at one end, far away from the bird separating device (10), of the energy absorption device (11), and the first diversion plate (5) and the second diversion plate (6) are inclined towards two sides of the energy absorption device (11) respectively.

4. An anti-bird strike device for an aircraft wing as claimed in claim 2, wherein: the bird separating device (10), the energy absorbing device (11) and the flow guide device (12) are integrally formed.

5. An anti-bird strike device for an aircraft wing as claimed in claim 2, wherein: one end, far away from the energy absorption device (11), of the flow guide device (12) is provided with a connecting piece, the connecting piece comprises a first connecting plate (7) and a second connecting plate (8), and the first connecting plate (7) and the second connecting plate (8) are connected with the machine body through bolts.

6. An anti-bird strike device for an aircraft wing according to claim 1, wherein: divide bird device (10) to include first branch bird board (1) and second branch bird board (2), first branch bird board (1) and second branch bird board (2) are all vertical to be set up and have certain contained angle between the two, the one end of first branch bird board (1) and second branch bird board (2) is connected, forms the pointed end.

7. An anti-bird strike device for an aircraft wing according to claim 6, wherein: energy-absorbing device (11) are including first energy-absorbing board (3) and second energy-absorbing board (4), first energy-absorbing board (3) link to each other with the one end that most advanced was kept away from to first minute bird board (1), second energy-absorbing board (4) link to each other with the one end that most advanced was kept away from to second minute bird board (2), first energy-absorbing board (3) and second energy-absorbing board (4) are located the both sides of first minute bird board (1) and second minute bird board (2), first minute bird board (1) and second minute bird board (2) are outside to protruding from middle part to both sides.