CN108100231A - A kind of helicopter horizontal tail connector - Google Patents
A kind of helicopter horizontal tail connector Download PDFInfo
- Publication number
- CN108100231A CN108100231A CN201711247218.7A CN201711247218A CN108100231A CN 108100231 A CN108100231 A CN 108100231A CN 201711247218 A CN201711247218 A CN 201711247218A CN 108100231 A CN108100231 A CN 108100231A
- Authority
- CN
- China
- Prior art keywords
- shaped
- skeleton
- siding
- horizontal tail
- shaped siding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C5/00—Stabilising surfaces
- B64C5/02—Tailplanes
-
- 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
Abstract
The present invention relates to helicopter horizontal tail joint structure design field, more particularly to a kind of helicopter horizontal tail connector, including:Section is in the skeleton of mountain font;First, second U-shaped siding, co-curing is in two open ends of skeleton mountain font, the first auricle of formation, the second auricle and third ear piece respectively;3rd U-shaped siding, co-curing is between two lateral surfaces of skeleton;4th U-shaped siding, it is symmetrical with the 3rd U-shaped siding;First annular seal space body and the second seal cavity are formed by the cavity sealing of the first U-shaped siding bottom surface, the 3rd U-shaped siding and the 4th U-shaped siding one side, skeleton;Filled and process is filled in first annular seal space body and the second seal cavity.The helicopter horizontal tail connector of the present invention, it is designed to composite material, connector can it is separately formed after be connected by being mechanically connected or being glued with horizontal tail wing box, also with horizontal tail wing box co-curing can be taken to be molded, have many advantages, such as designability it is good, convenient for shaping, performance is good in face, interlaminar strength is high.
Description
Technical field
The present invention relates to helicopter horizontal tail joint structure design field, more particularly to a kind of helicopter horizontal tail connector.
Background technology
As helicopter is to the further requirement of structural weight reduction, composite material is applied to Helicopter Main load-carrying construction seems
It is particularly necessary.The horizontal tail connector generally use metal material of helicopter at present, not only weight is big, but also is assembled between beam, rib
Complexity, composite joint have many advantages, such as it is light it is high-strength, designability is good, have and can not replace for substituting existing horizontal tail connector
The advantage in generation has been increasingly becoming the development trend of horizontal tail connector design.
But be limited to composite material material property and composite joint bearing plane external force ability it is poor lack
Point, at present the composite joint of configuration can not apply in the horizontal tail structure of actual helicopter.
The content of the invention
The purpose of the present invention designs a kind of helicopter horizontal tail connector, and reality can not be applied to solve existing composite joint
The problem of in the helicopter horizontal tail structure of border.
The technical scheme is that:
A kind of helicopter horizontal tail connector, including:
Skeleton, section are in mountain font, are made of fiber laminar composite;
First U-shaped siding and the second U-shaped siding, section is u-shaped, is made of fiber laminar composite, respectively
Co-curing is in two open ends of skeleton mountain font, and the opening direction of skeleton mountain font and described first U-shaped
The opening direction of siding and the second U-shaped siding is consistent, the one side of the one side of the first U-shaped siding and the adjacent skeleton
Face forms the first auricle, and the one side of the second U-shaped siding and the one side of the adjacent skeleton form the second auricle, institute
The another side, the another side of the second U-shaped siding and the median surface of skeleton for stating the first U-shaped siding collectively form third ear
Piece;
3rd U-shaped siding, section is u-shaped, is made of fiber laminar composite, and co-curing is outer in two, the skeleton
Between side, and opening direction is vertical with the skeleton mountain font opening direction;
4th U-shaped siding, section is u-shaped, is made of fiber laminar composite, symmetrical with the 3rd U-shaped siding
Co-curing is between described two lateral surfaces of skeleton;Wherein
First annular seal space body, by the described first U-shaped siding bottom surface, the 3rd U-shaped siding one side, the 4th U-shaped siding one side
The sealing of one cavity of face and the skeleton is formed;
Second seal cavity, by the described second U-shaped siding bottom surface, the 3rd U-shaped siding one side, the 4th U-shaped siding one side
The sealing of another cavity of face and the skeleton is formed;
Filled and process is filled in the first annular seal space body and second seal cavity.
Optionally, the skeleton of the mountain font is laminated composite material element to dock there are two U-shaped fiber.
Optionally, the helicopter horizontal tail connector is molded for a co-curing.
Invention effect:
Horizontal tail top connection is designed to composite material by the helicopter horizontal tail connector of the present invention, connector can individually into
It is connected after type by being mechanically connected or being glued with horizontal tail wing box, also with horizontal tail wing box co-curing can be taken to be molded, having can design
Property it is good, convenient for shaping, performance is good, interlaminar strength is high in face the advantages that, it is strong meeting it by the reasonably optimizing to load path
On the premise of degree, reach 25% compared with existing metal joint loss of weight.
Description of the drawings
Fig. 1 is the connector and diffusion region structure diagram of invention helicopter horizontal tail connector;
Fig. 2 is the connector of invention helicopter horizontal tail connector and diffusion region longitudinal cross-section schematic diagram;
Fig. 3 is the connector and diffusion region transverse sectional view of invention helicopter horizontal tail connector.
Specific embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, the technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or there is same or like element.Described embodiment is the present invention
Part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without creative efforts, belong to the scope of protection of the invention.Under
Face is described in detail the embodiment of the present invention with reference to attached drawing.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of the description present invention and simplifies description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of scope.
1 to Fig. 3 helicopter horizontal tail connector of the present invention is described in further details below in conjunction with the accompanying drawings.
The present invention provides a kind of helicopter horizontal tail connector, it is related to setting for a kind of fiber-reinforced resin base connector and diffusion region
Meter;For certain type helicopter horizontal tail connector, its surrounding enviroment is considered when butt joint designs, it is merged to progress with peripheral structure
Integrated design optimizes load path, on the premise of its intensity is met, realizes the purpose of loss of weight.
Specifically, helicopter horizontal tail connector of the invention includes skeleton 1, the first U-shaped siding 8, the second U-shaped siding the 9, the 3rd
U-shaped siding 13, the 4th U-shaped siding 14, first annular seal space body 10, the second seal cavity 11 and filled and process.
1 section of skeleton is in mountain font, including front panel, squab panel and lower wall panels;Skeleton 1 is by fiber laminar composite
It forms;Specifically, the skeleton 1 of mountain font is laminated composite material element to dock there are two U-shaped (shape for hat) fiber so that production is more
Conveniently, load is more preferable.
First U-shaped 8 and second U-shaped 9 section of siding of siding is u-shaped, is made of fiber laminar composite;First
U-shaped 8 and second U-shaped siding 9 of siding difference co-curing is in two open ends of 1 mountain font of skeleton, and 1 mountain font of skeleton is opened
Mouthful direction is consistent with the opening direction of the first U-shaped 8 and second U-shaped siding 9 of siding, the one side of the first U-shaped siding 8 and adjacent
The one side of skeleton 1 forms the first auricle 5;The one side of second U-shaped siding 9 and the one side of adjacent skeleton 1 form second
Auricle 7;The median surface of the another side of first U-shaped siding 8, the another side of the second U-shaped siding 9 and skeleton 1 collectively forms
Third ear piece 6.
3rd U-shaped 13 section of siding is u-shaped, is made of fiber laminar composite, and co-curing is in 1 two outsides of skeleton
Between face, and 1 mountain font opening direction of opening direction skeleton is vertical.
4th U-shaped 14 section of siding is u-shaped, is made of fiber laminar composite, symmetrically common with the 3rd U-shaped siding 13
It is solidificated between 1 two lateral surfaces of skeleton.
Further, first annular seal space body 10 is by the first U-shaped 8 bottom surface of siding, the 3rd U-shaped 13 one side of siding, the 4th U-shaped wall
The sealing of one cavity of 14 one side of plate and skeleton 1 is formed.Filled with filled and process in first annular seal space body 10, use
RTM technological formings.
Second seal cavity 11 is by the second U-shaped 9 bottom surface of siding, the 3rd U-shaped 13 one side of siding, the 4th U-shaped siding 14 1
The sealing of another cavity of side and skeleton 1 is formed.Filled with filled and process in the second seal cavity 11, using RTM works
Skill is molded.
Further, in helicopter horizontal tail connector of the invention, helicopter horizontal tail connector is molded for a co-curing so that zero
Number of packages amount is few, and assembling amount is lacked, light-weight.
Main points are as follows in the helicopter horizontal tail connector of the present invention:
The fibre reinforcement that connector is related to is carbon fibre fabric or glass fabric;Siding is made along loading direction
It is 30%-50% with the laying ratio of one-way tape;The resin that connector is related to is High temperature epoxy resins system;Connector takes RTM to be total to
Cure and be integrally formed;Joints structure form is symmetrical compared with the median plane of third ear piece 6, but the laying side that symmetrical structure is related to
It can be differed to, overlay thickness.
Horizontal tail top connection is designed to composite material by helicopter horizontal tail connector of the present invention, and connector can be separately formed
It is connected afterwards by being mechanically connected or being glued with horizontal tail wing box, also with horizontal tail wing box co-curing can be taken to be molded, there is designability
Well, convenient for the advantages that performance is good, interlaminar strength is high in shaping, face, by the reasonably optimizing to load path, its intensity is being met
On the premise of, reach 25% compared with existing metal joint loss of weight.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all should by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (3)
1. a kind of helicopter horizontal tail connector, which is characterized in that including:
Skeleton (1), section are in mountain font, are made of fiber laminar composite;
First U-shaped siding (8) and the second U-shaped siding (9), section is u-shaped, is made of fiber laminar composite, point
Other co-curing the skeleton (1) mountain font two open ends, and the opening direction of the skeleton (1) mountain font with it is described
First U-shaped siding (8) is consistent with the opening direction of the second U-shaped siding (9), the one side of the first U-shaped siding (8) with it is adjacent
The one side of the skeleton (1) form the first auricle (5), the one side of the second U-shaped siding (9) and the adjacent bone
The one side of frame (1) forms the second auricle (7), the another side of the first U-shaped siding (8), the second U-shaped siding (9) it is another
The median surface of one side and skeleton (1) collectively forms third ear piece (6);
3rd U-shaped siding (13), section is u-shaped, is made of fiber laminar composite, and co-curing is in the skeleton (1) two
Between a lateral surface, and opening direction is vertical with the skeleton (1) mountain font opening direction;
4th U-shaped siding (14), section is u-shaped, is made of fiber laminar composite, with the described 3rd U-shaped siding (13)
Symmetrical co-curing is between described (1) two lateral surface of skeleton;Wherein
First annular seal space body (10), by the described first U-shaped siding (8) bottom surface, the 3rd U-shaped siding (13) one side, the 4th U-shaped wall
The sealing of one cavity of plate (14) one side and the skeleton (1) is formed;
Second seal cavity (11), by the described second U-shaped siding (9) bottom surface, the 3rd U-shaped siding (13) one side, the 4th U-shaped wall
The sealing of another cavity of plate (14) one side and the skeleton (1) is formed;
Filled and process is filled in the first annular seal space body (10) and second seal cavity (11).
2. helicopter horizontal tail connector according to claim 1, which is characterized in that there are two U for the skeleton (1) of the mountain font
Fiber type laminar composite part docks.
3. helicopter horizontal tail connector according to claim 1, which is characterized in that the helicopter horizontal tail connector is once common
Curing molding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711247218.7A CN108100231B (en) | 2017-12-01 | 2017-12-01 | Horizontal tail joint of helicopter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711247218.7A CN108100231B (en) | 2017-12-01 | 2017-12-01 | Horizontal tail joint of helicopter |
Publications (2)
Publication Number | Publication Date |
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CN108100231A true CN108100231A (en) | 2018-06-01 |
CN108100231B CN108100231B (en) | 2021-05-11 |
Family
ID=62207980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711247218.7A Active CN108100231B (en) | 2017-12-01 | 2017-12-01 | Horizontal tail joint of helicopter |
Country Status (1)
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CN (1) | CN108100231B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108839814A (en) * | 2018-06-13 | 2018-11-20 | 江西昌河航空工业有限公司 | It is a kind of for changeing the device of tail boom connector |
CN109356912A (en) * | 2018-10-17 | 2019-02-19 | 江西洪都航空工业集团有限责任公司 | A kind of composite material strut connector and preparation method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999067130A1 (en) * | 1998-06-25 | 1999-12-29 | Sikorsky Aircraft Corporation | Horizontal stabilizer for rotorcraft |
CN106342053B (en) * | 2010-04-23 | 2013-11-27 | 哈尔滨飞机工业集团有限责任公司 | A kind of helicopter tailplane jockey and tailplane |
CN103538715A (en) * | 2013-10-14 | 2014-01-29 | 航天特种材料及工艺技术研究所 | Composite material pi-type lug interface and integral co-curing forming method |
CN105109670A (en) * | 2015-09-02 | 2015-12-02 | 哈尔滨飞机工业集团有限责任公司 | Horizontal tail connection device for helicopter |
CN105279336A (en) * | 2015-11-04 | 2016-01-27 | 中国直升机设计研究所 | Horizontal tail joint and design method thereof |
-
2017
- 2017-12-01 CN CN201711247218.7A patent/CN108100231B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999067130A1 (en) * | 1998-06-25 | 1999-12-29 | Sikorsky Aircraft Corporation | Horizontal stabilizer for rotorcraft |
CN106342053B (en) * | 2010-04-23 | 2013-11-27 | 哈尔滨飞机工业集团有限责任公司 | A kind of helicopter tailplane jockey and tailplane |
CN103538715A (en) * | 2013-10-14 | 2014-01-29 | 航天特种材料及工艺技术研究所 | Composite material pi-type lug interface and integral co-curing forming method |
CN105109670A (en) * | 2015-09-02 | 2015-12-02 | 哈尔滨飞机工业集团有限责任公司 | Horizontal tail connection device for helicopter |
CN105279336A (en) * | 2015-11-04 | 2016-01-27 | 中国直升机设计研究所 | Horizontal tail joint and design method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108839814A (en) * | 2018-06-13 | 2018-11-20 | 江西昌河航空工业有限公司 | It is a kind of for changeing the device of tail boom connector |
CN108839814B (en) * | 2018-06-13 | 2021-07-02 | 江西昌河航空工业有限公司 | Device for dismounting and replacing tail beam joint of helicopter |
CN109356912A (en) * | 2018-10-17 | 2019-02-19 | 江西洪都航空工业集团有限责任公司 | A kind of composite material strut connector and preparation method thereof |
Also Published As
Publication number | Publication date |
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CN108100231B (en) | 2021-05-11 |
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