WO2010070184A1 - Estructura de la zona de introducción de cargas en el fuselaje trasero de una aeronave - Google Patents
Estructura de la zona de introducción de cargas en el fuselaje trasero de una aeronave Download PDFInfo
- Publication number
- WO2010070184A1 WO2010070184A1 PCT/ES2009/070608 ES2009070608W WO2010070184A1 WO 2010070184 A1 WO2010070184 A1 WO 2010070184A1 ES 2009070608 W ES2009070608 W ES 2009070608W WO 2010070184 A1 WO2010070184 A1 WO 2010070184A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frames
- load
- hardware
- elements
- fuselage
- Prior art date
Links
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 239000003381 stabilizer Substances 0.000 claims description 62
- 239000002184 metal Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000020347 spindle assembly Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 description 1
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/26—Attaching the wing or tail units or stabilising surfaces
Definitions
- the present invention relates to the rear fuselage of an aircraft and more particularly to the area provided therein for the introduction of horizontal tail stabilizer (HTP) and vertical tail stabilizer (VTP) loads.
- HTP horizontal tail stabilizer
- VTP vertical tail stabilizer
- Catching a trimable horizontal stabilizer in an aircraft is usually carried out by coupling the stabilizer to one or two pivot points and one or two catch points.
- the plane of the horizontal stabilizer In order for the plane of the horizontal stabilizer to trim at the two catch points, it must change its position vertically to allow the stabilizer to pivot at the pivot point (s).
- a motor / spindle assembly is usually provided with a fitting to the fuselage. The rotation of the spindle in one direction or another determines the rise or fall of the catch point getting the horizontal stabilizer trim.
- the hardware that holds that spindle is usually a highly complex mechanized metal hardware as shown in Figures 2 and 3.
- Said hardware 1 e is attached to a metal torsion box formed by two side plates 1d and the souls of the two frames of load 1 a, 1 b mechanized metal, to which said side plates 1d are attached.
- the assembly is connected to a third metal frame 1 c also located between the two load frames 1a, 1 b mentioned.
- the metal hardware 1e for coupling the motor / spindle assembly is subject to both the intermediate frame 1 c and the torsion box by means of metallic joining elements.
- the load frames 1 a, 1 b that hold the torsion box have different sections, the most common being the sections C, I and J, which through machining processes achieve a network of nerves that stabilize the soul of the frame giving the necessary rigidity and its optimization in weight.
- the metal frames 1 a, 1 b are also the supports of the vertical stabilizer catch hardware.
- the cutting joint of the vertical tail stabilizer fittings to the metal frames causes eccentric loads out of the plane of the frame that makes lateral stabilization necessary by means of additional clips or fittings and through the torsion box itself.
- used to take the screw hardware which means using a high number of components that complicate its manufacture and assembly.
- the present invention is oriented to the solution of that inconvenience.
- An object of the present invention is to provide a rear fuselage of an aircraft with the load introduction area of the horizontal tail stabilizer and the vertical tail stabilizer optimized in terms of its weight.
- Another object of the present invention is to provide a rear fuselage of an aircraft with a loading introduction area of the horizontal tail stabilizer and the easy to mount vertical tail stabilizer.
- a rear fuselage of an aircraft with a loading introduction area of a horizontal tail stabilizer and a vertical tail stabilizer comprising elements receiving the loads of said stabilizers attached to elements structural in which: a) Said structural elements of the rear fuselage are the lining, two adjacent loading frames configured in at least said loading introduction zone with two lateral elements and a base element so that its cross section has a shape closed, and at least a third frame adjacent to one of said two cargo frames. b)
- the receiving element of the load of the horizontal tail stabilizer is a first hardware structured as a torsion box, with side walls and a cover, arranged transversely between said loading frames and attached to them, and the receiving elements of the Vertical stabilizer loads are a few second hardware coupled to said frames.
- Said frames and said first and second hardware are made entirely of composite material.
- the cross section of said load frames is in the form of ⁇ or omega. This results in a rear fuselage with an area for the introduction of structured tail stabilizer loads so that load distribution and weight are optimized.
- said load frames are formed as unit parts, with their configurator elements previously attached to their assembly in the fuselage. This achieves a rear fuselage with an area for the introduction of structured tail stabilizer loads with a reduced number of parts.
- the configuration elements of said load frames are formed separately and are joined during assembly in the fuselage. This results in a rear fuselage with an area for the introduction of structured tail stabilizer loads so that assembly is facilitated.
- the relationship between the height of the two lateral elements (5a, 5b) and the diameter (D) of the load frames (2) in the catch zone of the second hardware (4) is comprised between 12-13%. This achieves a rear fuselage with greater use of useful interior space.
- the rear fuselage includes a total number of five frames when using two load frames whose structure allows to increase the distance between them. This achieves a rear fuselage with a zone for introducing structurally optimized tail stabilizer loads.
- the first hardware also comprises omega-shaped laminates attached to the inner or outer sides of its side walls.
- omega-shaped laminates attached to the inner or outer sides of its side walls.
- Figure 1 is a schematic view of the structure of the load introduction zone of the horizontal tail stabilizer and the vertical tail stabilizer in the rear fuselage ("rear end") of an aircraft.
- Figures 2 and 3 are perspective views of a metal hardware assembly with a metal torsion box attached to metal frames known in the art and used in the cargo introduction area of the rear fuselage of an aircraft.
- FIGs 4a and 4b are perspective views of the structure of the load introduction zone of the horizontal tail stabilizer and the vertical tail stabilizer in the rear fuselage of an aircraft according to the present invention that illustrate both the configuration of the assembly of the whole structure as Ia of its fundamental elements: the load frames and the hardware for the reception of the loads of the horizontal glue stabilizer and the vertical tail stabilizer.
- Figure 5 is a perspective view of a cargo frame used in the structure of the load introduction area of the horizontal tail stabilizer and the vertical tail stabilizer in the rear fuselage of an aircraft according to the present invention and Figures 6a and 6b are schematic views of its cross section in two embodiments of the invention.
- Figures 7a and 7b are, respectively, a perspective view and a side view of the hardware for receiving the load of the horizontal stabilizer used in the structure of the load introduction area of the horizontal tail stabilizer and the vertical tail stabilizer in the rear fuselage of an aircraft according to the present invention.
- Figure 8 is a cross-sectional view of a load stabilization tool of the vertical stabilizer used in the structure of the load introduction zone of the horizontal tail stabilizer and the vertical tail stabilizer in the rear fuselage of an aircraft according to Ia present invention, attached to a load frame and to the lining.
- rear fuselage should be understood as the rear zone ("rear end") of the fuselage affected by a horizontal tail stabilizer and a vertical tail stabilizer.
- the structure of that area according to the present invention comprises as basic elements the frames 2, 9, the frames being 2 cargo frames, the hardware-drawer 3 for the reception of the horizontal tail stabilizer load, which also call us first hardware 3, and the hardware 4 for the reception of the vertical tail stabilizer loads, which we will also call second hardware 4.
- CFRP carbon fiber
- GFRP fiberglass
- the basic idea of the invention is to provide a structure whose geometry provides a load distribution that optimizes current metal designs by weight, that is, achieves an optimal load distribution with the least possible number of elements, all of them made of composite material.
- the load frames 2 have a ⁇ -shaped section comprising three elements: two lateral elements 5a, 5b with souls 5e and upper and lower skirts 5f, 5g and an element of base 5c that joins the lower skirts of the two lateral elements 5a and 5b of the frame 2 and therefore closes the section of said load frame 2.
- the size of the souls 5e is much greater in the area of introduction of loads of the horizontal tail stabilizer and the vertical tail stabilizer than in the rest.
- the load frame 2 could even have sections other than ⁇ in areas far from the load introduction zone, such as sections with a lateral element with core and foot forming 90 ° and the other lateral element with soul and foot forming an angle greater than 90 °, traditional sections in C, J, I and even sections in omega, with a suitable transition and union, as shown in the Figure itself 5 in the lower part of the load frame 2.
- the load frame 2 could have an omega-shaped section instead of a ⁇ -shaped one in the area where the horizontal tail stabilizer and vertical stabilizer load is introduced. of tail.
- the difference between the two sections would basically be that the souls 5e would be inclined at an angle greater than 90 ° with respect to their lower skirts.
- these three elements 5a, 5b and 5c are manufactured separately, each of them with the necessary geometry and thickness, and the structure of the loading introduction area of the horizontal tail stabilizer and the vertical tail stabilizer object of the The present invention can be carried out with said three elements 5a, 5b and 5c separated by proceeding to the necessary unions both between them and with the first and second hardware 3, 4 and with the coating 8 during the assembly of the structure.
- An advantage of the first option is that some assembly operations are facilitated before completing the "closing" of the load frames 2 by joining the base element 5c to the side elements 5a, 5b.
- the first hardware 3 is configured to hold and allow the trimming of the horizontal tail stabilizer that the motor / spindle assembly is coupled.
- the primary catch consists of two side walls 6a, 6b and a cover 6e together with two omega-shaped laminates 6c, 6d that join the outer sides of the side walls 6a, 6b.
- the first hardware 3 joins the load frames 2 by means of the angles 6f.
- omega-shaped laminates are attached to the inner sides of the side walls.
- the load applied in the first hardware 3 is mainly vertical although its structure is designed to react the load components in the other two directions that are of a smaller magnitude. This is possible due to the concept of joint in cut that exists both in the load frames 2 and in the lining of the fuselage.
- the loads applied on the spindle hardware are transmitted directly, through the primary through holes located in the side walls 6a, 6b of the first hardware 3 and in the head of the laminates in omega 6c, 6d, to the souls 5e of the loading frames 2 to which said side walls 6a, 6b are attached.
- the second fittings 4 to introduce the load of the vertical stabilizer it can be seen in the Figures that four of them are coupled to the load frames 2 around the first hardware 3 and two of them are coupled to the frame 9 adjacent to The frame 2 furthest from the tail of the fuselage.
- the second hardware joins the frames 2 and the lining 8.
- the closed cross-section in the form of ⁇ or omega of the load frames 2 - and, where appropriate, the frame 9 - provides a structure very suitable for reacting the shear loads introduced by said second hardware 4 also optimizing the union of said hardware 4 when the load is transmitted to the two souls 5e of the load frames 2.
- the taking of the second fittings 4 to the load frames 2 in the form of ⁇ or omega decreases the number of pieces to be used, since it avoids the eccentricity problems that exist when said second fittings 4 are attached to traditional section frames ( J, I, etc.) which require the use of counter-hardware for an adequate reaction of the loads applied to the assembly.
- the first hardware 3 stabilizes and stiffens the assembly.
- the relationship between the dimension of the lateral elements 5a, 5b and the diameter D (see Figure 5) of the load frames 2 in the catch zone of the second hardware 4 is significantly less than 14 -15% usual in the known technique, being in a range between 12-13%, which is a great advantage especially in small and medium-sized aircraft, where maximum use of the available space is required.
- loading frames 2 with an omega section have the additional advantage of being self-stabilized, that is, they do not need other elements to guarantee their lateral stability.
- the structure of the load introduction zone of the horizontal tail stabilizer and the vertical tail stabilizer comprises two load frames 2 and a fixed number of load introduction points of the second hardware 4 the distance is reduced between the souls 6e to which the side walls 6a, 6b of the first hardware 3 Io are attached, which causes said walls to be shorter in length, optimizing the buckling failure of said side walls.
- the area of introduction of loads in the rear fuselage is structured with a smaller number of parts, fewer joints and therefore lower assembly and manufacturing costs, as well as a lower weight of the structure.
- the number of pieces necessary for the seizure of the second hardware 4 to the load frames 2 is reduced, since the section in ⁇ or omega avoids the eccentricity problems that exist when the hardware is attached to a traditional section frame (J, I, etc.) that require the use of counter-hardware for an adequate reaction of the loads applied to the assembly.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Connection Of Plates (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09808939A EP2371704B1 (en) | 2008-12-18 | 2009-12-18 | Structure for the fuselage rear end |
CA2747690A CA2747690C (en) | 2008-12-18 | 2009-12-18 | Structure of the load introduction zone in the rear end of an aircraft |
RU2011129629/11A RU2514301C2 (ru) | 2008-12-18 | 2009-12-18 | Конструкция зоны приложения нагрузки в заднем конце летательного аппарата |
CN200980155891.5A CN102307782B (zh) | 2008-12-18 | 2009-12-18 | 在飞行器的后端中的负载引导区域的结构 |
BRPI0923172A BRPI0923172A2 (pt) | 2008-12-18 | 2009-12-18 | estrutura da zona de introdução de carga na extremidade traseira de uma aeronave |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP200803604 | 2008-12-18 | ||
ES200803604A ES2385993B1 (es) | 2008-12-18 | 2008-12-18 | Fuselaje trasero de una aeronave con una zona de introducción de carga de un estabilizador horizontal de cola y de un estabilizador vertical de cola que comprende elementos receptores de las cargas de dichos estabilizadores unidos a elementos estructurales del fuselaje. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010070184A1 true WO2010070184A1 (es) | 2010-06-24 |
Family
ID=42109917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2009/070608 WO2010070184A1 (es) | 2008-12-18 | 2009-12-18 | Estructura de la zona de introducción de cargas en el fuselaje trasero de una aeronave |
Country Status (8)
Country | Link |
---|---|
US (1) | US8267352B2 (es) |
EP (1) | EP2371704B1 (es) |
CN (1) | CN102307782B (es) |
BR (1) | BRPI0923172A2 (es) |
CA (1) | CA2747690C (es) |
ES (1) | ES2385993B1 (es) |
RU (1) | RU2514301C2 (es) |
WO (1) | WO2010070184A1 (es) |
Cited By (4)
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WO2010122200A3 (es) * | 2009-04-21 | 2011-05-05 | Airbus Operations, S.L. | Herrajes para la cogida del estabilizador vertical de cola de una aeronave. |
EP2634086A1 (en) | 2012-02-28 | 2013-09-04 | Airbus Operations S.L. | Reinforcing structure integrated in the internal structure of an aircraft of composite material |
CN110203373A (zh) * | 2019-05-24 | 2019-09-06 | 成都飞机工业(集团)有限责任公司 | 一种无人机垂平尾拆卸结构 |
EP3653490A1 (en) * | 2018-11-16 | 2020-05-20 | Airbus Operations, S.L.U. | Frame assembly for a rear section of an aircraft and rear section of an aircraft comprising said frame assembly |
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DE102006026168A1 (de) | 2006-06-06 | 2008-01-31 | Airbus Deutschland Gmbh | Flugzeugrumpfstruktur und Verfahren zu deren Herstellung |
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US8353478B1 (en) | 2009-03-25 | 2013-01-15 | The Boeing Company | Blended wing aircraft |
US8061655B1 (en) * | 2009-03-25 | 2011-11-22 | The Boeing Company | Aircraft configuration utilizing fuselage, wing, empennage, and exhaust flow control devices |
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US8382045B2 (en) | 2009-07-21 | 2013-02-26 | The Boeing Company | Shape-changing control surface |
ES2400769B1 (es) | 2010-10-19 | 2014-02-12 | Airbus Operations, S.L. | Herraje estanco para la cogida del estabilizador vertical de cola de una aeronave. |
ES2645628T3 (es) * | 2011-12-01 | 2017-12-07 | Airbus Operations S.L. | Cuaderna altamente cargada de un fuselaje de aeronave con un alma con estructura de celosía |
IL223443A (en) * | 2012-12-04 | 2014-06-30 | Elbit Systems Cyclone Ltd | Buildings from composite materials with integral composite connectors and manufacturing methods |
CN103625631A (zh) * | 2013-08-23 | 2014-03-12 | 中国航空工业集团公司西安飞机设计研究所 | 一种垂尾对接结构设计方法 |
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EP3626607A1 (en) * | 2018-09-18 | 2020-03-25 | Airbus Operations GmbH | An aircraft component |
CN109720544A (zh) * | 2018-11-12 | 2019-05-07 | 中航通飞研究院有限公司 | 一种大型水上飞机机身垂尾对接结构 |
CN111237083B (zh) * | 2018-11-28 | 2022-01-11 | 海鹰航空通用装备有限责任公司 | 组合喷管结构及具有其的飞机 |
CN110920867B (zh) * | 2019-12-09 | 2023-04-14 | 中航沈飞民用飞机有限责任公司 | 一种民用客机平尾侧向惯性载荷承载铰链接头 |
US11370523B2 (en) * | 2020-05-27 | 2022-06-28 | The Boeing Company | Aircraft with multi spar box connection to fuselage |
US11511846B2 (en) * | 2020-05-27 | 2022-11-29 | The Boeing Company | Aircraft with multi spar box connection to fuselage |
US11932398B2 (en) | 2020-08-24 | 2024-03-19 | The Boeing Company | Horizontal stabilizer assembly for an aircraft |
CN112141360B (zh) * | 2020-10-14 | 2024-08-20 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | 一种垂尾盒段试验支撑假件及试验设备 |
CN113955080B (zh) * | 2021-11-29 | 2023-10-20 | 中国商用飞机有限责任公司 | 配平式的平尾连接结构 |
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-
2008
- 2008-12-18 ES ES200803604A patent/ES2385993B1/es not_active Expired - Fee Related
-
2009
- 2009-02-19 US US12/388,750 patent/US8267352B2/en not_active Expired - Fee Related
- 2009-12-18 CN CN200980155891.5A patent/CN102307782B/zh not_active Expired - Fee Related
- 2009-12-18 RU RU2011129629/11A patent/RU2514301C2/ru not_active IP Right Cessation
- 2009-12-18 WO PCT/ES2009/070608 patent/WO2010070184A1/es active Application Filing
- 2009-12-18 BR BRPI0923172A patent/BRPI0923172A2/pt not_active Application Discontinuation
- 2009-12-18 CA CA2747690A patent/CA2747690C/en not_active Expired - Fee Related
- 2009-12-18 EP EP09808939A patent/EP2371704B1/en not_active Not-in-force
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DE102005003297A1 (de) * | 2005-01-24 | 2006-07-27 | Eads Deutschland Gmbh | Flugzeug mit einer Rumpfhecksektion zur Anbindung von Höhen- und Seitenleitwerken |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010122200A3 (es) * | 2009-04-21 | 2011-05-05 | Airbus Operations, S.L. | Herrajes para la cogida del estabilizador vertical de cola de una aeronave. |
US8408495B2 (en) | 2009-04-21 | 2013-04-02 | Airbus Operations, S.L. | Fittings for attaching the vertical tail stabilizer of an aircraft |
EP2634086A1 (en) | 2012-02-28 | 2013-09-04 | Airbus Operations S.L. | Reinforcing structure integrated in the internal structure of an aircraft of composite material |
WO2013128054A2 (es) | 2012-02-28 | 2013-09-06 | Airbus Operations S.L. | Estructura de refuerzo integrada en estructura interna de aeronave en material compuesto |
EP3653490A1 (en) * | 2018-11-16 | 2020-05-20 | Airbus Operations, S.L.U. | Frame assembly for a rear section of an aircraft and rear section of an aircraft comprising said frame assembly |
CN110203373A (zh) * | 2019-05-24 | 2019-09-06 | 成都飞机工业(集团)有限责任公司 | 一种无人机垂平尾拆卸结构 |
CN110203373B (zh) * | 2019-05-24 | 2022-04-08 | 成都飞机工业(集团)有限责任公司 | 一种无人机垂平尾拆卸结构 |
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EP2371704A1 (en) | 2011-10-05 |
CN102307782A (zh) | 2012-01-04 |
ES2385993B1 (es) | 2013-06-17 |
US8267352B2 (en) | 2012-09-18 |
RU2514301C2 (ru) | 2014-04-27 |
RU2011129629A (ru) | 2013-01-27 |
CA2747690A1 (en) | 2010-06-24 |
BRPI0923172A2 (pt) | 2016-02-16 |
CN102307782B (zh) | 2014-04-09 |
ES2385993A1 (es) | 2012-08-06 |
CA2747690C (en) | 2017-02-21 |
EP2371704B1 (en) | 2012-09-26 |
US20100155532A1 (en) | 2010-06-24 |
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