CN201472665U - Wing-tip winglet structure with double curved surfaces, thin-wing boxes and complex shape - Google Patents
Wing-tip winglet structure with double curved surfaces, thin-wing boxes and complex shape Download PDFInfo
- Publication number
- CN201472665U CN201472665U CN2009201579995U CN200920157999U CN201472665U CN 201472665 U CN201472665 U CN 201472665U CN 2009201579995 U CN2009201579995 U CN 2009201579995U CN 200920157999 U CN200920157999 U CN 200920157999U CN 201472665 U CN201472665 U CN 201472665U
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- China
- Prior art keywords
- wing
- thin
- double curved
- tip winglet
- curved surfaces
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- Expired - Lifetime
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Abstract
The utility model belongs to the structure design of a plane, and relates to a wing-tip winglet structure with double curved surfaces, thin-wing boxes and complex shape. The wing-tip winglet consists of an upper panel, a lower panel, a clamping core, a front beam and a rear beam, wherein the front beam and the rear beam are respectively positioned at the two ends of the clamping core; and the upper panel and the lower panel are positioned at the two sides of the clamping core. The wing-tip winglet has the following advantages and benefits of adopting a clamping core structure, solving the structure design of the wing-tip winglet with double curved surfaces, thin-wing boxes (the average height of the wing box is less than 40mm) and complex shape and more effectively saving the weight and production links compared with the existing structure form.
Description
Technical field
The utility model belongs to aeroplane structure design, relates to the winglet structure under a kind of double curved surface, the thin wing box complex appearance.
Background technology
Abroad in the similar aircraft of winglet as A320, CRJ200, CRJ700 are the metal winglet, its shape is essentially end plate type (single curved surface), version is non-sandwich construction substantially.Having only Boeing-737-700,800 aircraft winglets in the external similar aircraft now is to be the fusion type winglet, and its characteristics are that external surface is that shape of a saddle bicurvature and upper and lower aerofoil profile are asymmetric.And the employing of 737-700 aircraft winglet is twin beams, honeycomb wallboard stressed-skin construction.For the winglet under double curved surface, the thin wing box complex appearance, its honeycomb wallboard shaping more complicated, distortion is difficult to control, and weight is heavier.The ply wood stressed-skin construction then can not adapt to wing box center-line-average less than the thick little wing structure of 40mm.
Summary of the invention
The purpose of this utility model provides the winglet structure under the more manageable a kind of double curved surface of a kind of distortion, the thin wing box complex appearance.Technical solution of the present utility model is, winglet is made up of top panel, lower faceplate, sandwich and front-axle beam and the back rest, and the front-axle beam and the back rest lay respectively at the two ends of sandwich, and top panel and lower faceplate are positioned at the both sides up and down of sandwich.Advantage that the utlity model has and beneficial effect, the utility model adopts sandwich construction, solved the structure design of winglet under the complex appearance of a kind of shape of a saddle double curved surface, thin wing box (wing box center-line-average is less than 40mm), compare with the existing structure form, more effectively saved weight and production link.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Winglet is made up of top panel 1, lower faceplate 2, sandwich 3 and front-axle beam 4 and the back rest 5, and the front-axle beam 4 and the back rest 5 lay respectively at the two ends of sandwich 3, and top panel 1 and lower faceplate 2 are positioned at the both sides up and down of sandwich 3.Top panel 1, lower faceplate 2 are respectively the composite material integrated member, and material is the carbon fiber one-way band.
Front-axle beam 4, the back rest 5 are respectively the composite material integrated member, and material is carbon fibre fabric (because of complex contour, and has more greatly and reverse, be difficult for being shaped, help part forming with fabric).
Filled and process sandwich 3 is selected 71WF-HT of Rohacell company and 110WF-HT for use, and the rigid foams of ZMS2278 model is used FM300K with top panel 1 and lower faceplate 2, and the ZMS7721 glued membrane is bonding.
Forming method: adopt second bonding, i.e. top panel 1, lower faceplate 2, front-axle beam 4 and the back rest 5 first curing moldings, second bonding is carried out in sandwich 3 independent moulding then, and panel 1, lower faceplate 2, front-axle beam 4 and the back rest 5 filling sandwiches 3 are glued together.
Claims (1)
1. the winglet structure under a double curved surface, the thin wing box complex appearance, it is characterized in that, winglet is made up of top panel (1), lower faceplate (2), sandwich (3) and front-axle beam (4) and the back rest (5), the front-axle beam (4) and the back rest (5) lay respectively at the two ends of sandwich (3), and top panel (1) and lower faceplate (2) are positioned at the both sides up and down of sandwich (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201579995U CN201472665U (en) | 2009-06-04 | 2009-06-04 | Wing-tip winglet structure with double curved surfaces, thin-wing boxes and complex shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201579995U CN201472665U (en) | 2009-06-04 | 2009-06-04 | Wing-tip winglet structure with double curved surfaces, thin-wing boxes and complex shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201472665U true CN201472665U (en) | 2010-05-19 |
Family
ID=42408910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201579995U Expired - Lifetime CN201472665U (en) | 2009-06-04 | 2009-06-04 | Wing-tip winglet structure with double curved surfaces, thin-wing boxes and complex shape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201472665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078649A1 (en) * | 2011-11-30 | 2013-06-06 | Airbus S.A.S. | Component having a box structure for an airplane airfoil |
-
2009
- 2009-06-04 CN CN2009201579995U patent/CN201472665U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078649A1 (en) * | 2011-11-30 | 2013-06-06 | Airbus S.A.S. | Component having a box structure for an airplane airfoil |
| US9434466B2 (en) | 2011-11-30 | 2016-09-06 | Airbus Sas | Component having a box structure for an airplane airfoil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
|
| CX01 | Expiry of patent term |