CN109533283A - A kind of foldable radome fairing and the helicopter with it - Google Patents
A kind of foldable radome fairing and the helicopter with it Download PDFInfo
- Publication number
- CN109533283A CN109533283A CN201811340605.XA CN201811340605A CN109533283A CN 109533283 A CN109533283 A CN 109533283A CN 201811340605 A CN201811340605 A CN 201811340605A CN 109533283 A CN109533283 A CN 109533283A
- Authority
- CN
- China
- Prior art keywords
- radome fairing
- edge
- folded sheet
- flat segments
- folded
- 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
- B64C7/00—Structures or fairings not otherwise provided for
-
- 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
- B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C7/00—Structures or fairings not otherwise provided for
- B64C7/02—Nacelles
Abstract
The application belongs to helicopter piggyback pod dome structure design field, and in particular to a kind of foldable radome fairing, comprising: folded sheet, one side edge are known as connecting edge, and the one side edge opposite with connection edge is known as folded edge；Cover plate, one side edge are known as rotational edges, and rotational edges are hinged with folded edge；Cover plate is divided into two sections, wherein one section of arc-shaped referred to as segmental arc, another section of straight referred to as flat segments；Rotational edges are edge of the flat segments far from segmental arc side；At least one connecting rod, one end of each connecting rod are known as connecting pin, and the other end is known as folded end, and folded end and segmental arc inner surface are hinged.In addition, further relating to a kind of helicopter with above-mentioned foldable radome fairing.
Description
Technical field
The application belongs to helicopter piggyback pod dome structure design field, and in particular to a kind of foldable radome fairing
And the helicopter with it.
Background technique
The components such as main reducing gear, engine in helicopter piggyback pod need to carry out daily maintenance, when being safeguarded, need
First radome fairing thereon is opened, to improve working efficiency, staff is directly using open radome fairing as stepping on when maintenance
Platform is smashed, no longer builds thus and special tramples platform.Radome fairing on current helicopter piggyback pod open after with piggyback pod
Power platform height it is almost the same, when the components such as main reducing gear, engine are safeguarded in piggyback pod, need to bend over into
Row, it is very inconvenient, influence maintenance efficiency；In addition, the size of current fairings is larger, as trampling platform, staff
Biggish moment of flexure can be generated above by stepping down in, and structure is not firm enough, and there are certain risk, and biggish size is opening it
During, understand inswept biggish region, easily collides with other structures on helicopter.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The purpose of the application is to provide a kind of foldable radome fairing and the helicopter with it, with overcome or alleviated by it is above-mentioned extremely
The defect of few one side.
The technical solution of the application is:
On the one hand a kind of foldable radome fairing is provided, comprising:
Folded sheet, one side edge are known as connecting edge, and the one side edge opposite with connection edge is known as folded edge；
Cover plate, one side edge are known as rotational edges, and rotational edges are hinged with folded edge；Cover plate is divided into two sections, wherein
One section of arc-shaped referred to as segmental arc, another section of straight referred to as flat segments；Rotational edges are side of the flat segments far from segmental arc side
Edge；
At least one connecting rod, one end of each connecting rod are known as connecting pin, and the other end is known as folded end, folded end and segmental arc
Inner surface is hinged.
According at least one embodiment of the application, folded sheet and cover plate are manufactured by cellular composite material.
According at least one embodiment of the application, above-mentioned radome fairing further includes having:
The U-shaped angle section of folded sheet, two sidewalls clamp folded sheet close to the wall surface of folded edge side；
The U-shaped angle section 5 of flat segments, two sidewalls clamp flat segments close to the wall surface of rotational edges side；
At least one folds hinge, and a piece of page board of each fold hinge is riveted on the top surface of the U-shaped angle section of folded sheet, another
A piece of page board is riveted on the top surface of the U-shaped angle section 5 of flat segments.
According at least one embodiment of the application, above-mentioned radome fairing further includes having:
Multiple folded sheet inserts, each fold plate insert 7 are embedded in folded sheet, one end and the U-shaped angle section of folded sheet
One side wall is spirally connected, and another side wall of the other end and the U-shaped angle section of folded sheet is spirally connected；
Multiple flat segments inserts 7, each flat segments insert 7 are embedded in flat segments, one end and the U-shaped angle section 5 of flat segments
One side wall be spirally connected, another side wall of the other end and the U-shaped angle section 5 of flat segments is spirally connected.
According at least one embodiment of the application, there are two connecting rods.
According at least one embodiment of the application, above-mentioned radome fairing further includes having:
Segmental arc inner surface is fixedly installed in two folding ears connectors；
Two folding monaural connectors, each fold monaural connector are fixed at a folded end, and double with a folding
Terminal lug is hinged.
According at least one embodiment of the application, above-mentioned radome fairing further includes having: two segmental arc embedded components, each arc
Shape section embedded components are embedded in segmental arc, and are bolted with ears connector is folded.
On the other hand a kind of helicopter being provided, there is piggyback pod, the power platform of piggyback pod intersects with fuselage skin, and
Including any above-mentioned radome fairing, wherein
The connecting pin of two connecting rods and power platform are hinged；
The connection edge and power platform of folded sheet are hinged；
Radome fairing includes
Closed state, segmental arc are covered on above power platform；
Opening state, folded sheet are deviated to fuselage skin direction, and segmental arc deviates above power platform.
According at least one embodiment of the application, in the open state, folded sheet abuts radome fairing with fuselage skin.
According at least one embodiment of the application, in the open state, flat segments are parallel with power platform for radome fairing.
At least there are following advantageous effects in the application: providing a kind of foldable radome fairing, and a kind of with upper
The helicopter of radome fairing is stated, above-mentioned radome fairing is hinged on the power platform of helicopter, is opened by closed state to opening
It during state, due to folded sheet and flat segments hinge-connection, relatively rotates, to reduce its inswept region, reduces
Its possibility collided with other structures on helicopter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of foldable radome fairing provided by the embodiments of the present application in the open state；
Fig. 2 is structural schematic diagram when foldable radome fairing provided by the embodiments of the present application is in close state；
Fig. 3 is folded sheet provided by the embodiments of the present application and the hinged the schematic diagram of the section structure of flat segments；
Fig. 4 is the hinged structural schematic diagram of folding ears connector and folding monaural connector provided by the embodiments of the present application；
Fig. 5 is the schematic diagram of the section structure that folding ears connector provided by the embodiments of the present application is fixed on segmental arc；
Fig. 6 is folded sheet provided by the embodiments of the present application and the hinged structural schematic diagram of power platform.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related application, rather than the restriction to this application.It also should be noted that in order to
Convenient for description, part relevant to the application is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that in the description of the present application, term " center ", "upper", "lower", "left", "right", "vertical",
The direction of the instructions such as "horizontal", "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this
It is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ", " third " are only used
In description purpose, it is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present application unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the application.
1 to Fig. 6 the application is described in further details with reference to the accompanying drawing.
On the one hand a kind of foldable radome fairing is provided, comprising:
Folded sheet 1, one side edge are known as connecting edge, and the one side edge opposite with connection edge is known as folded edge；
Cover plate 2, one side edge are known as rotational edges, and rotational edges are hinged with folded edge；It is two sections that cover plate 2, which is divided to,
In one section it is arc-shaped be known as segmental arc 21, another section it is straight be known as flat segments 22；Rotational edges are flat segments far from segmental arc 21
The edge of side；
At least one connecting rod 3, one end of each connecting rod 3 are known as connecting pin, and the other end is known as folded end, folded end and arc
21 inner surfaces of section are hinged.
In some alternative embodiments, folded sheet 1 and cover plate 2 are manufactured by cellular composite material.
In some alternative embodiments, above-mentioned foldable radome fairing further includes having: the U-shaped angle section 4 of folded sheet, two sidewalls
Folded sheet 1 is clamped close to the wall surface of folded edge side；The U-shaped angle section 5 of flat segments, it is close that two sidewalls clamp flat segments 22
The wall surface of rotational edges side；At least one folds hinge 6, and a piece of page board of each fold hinge 6 is riveted on the U-shaped angle of folded sheet
The top surface of material 4, another page board are riveted on the top surface of the U-shaped angle section 5 of flat segments.
In some alternative embodiments, above-mentioned foldable radome fairing further includes having: multiple folded sheet inserts 7, each
Folded sheet insert 7 is embedded in folded sheet 1, and one end and the one side wall of the U-shaped angle section 4 of folded sheet are spirally connected, the other end and folded sheet U
Another side wall of type angle section 4 is spirally connected；Multiple flat segments inserts 8, each flat segments insert 8 are embedded in flat segments 22, one end
It is spirally connected with the one side wall of the U-shaped angle section 5 of flat segments, another side wall of the other end and the U-shaped angle section 5 of flat segments is spirally connected.
In some alternative embodiments, there are two connecting rods 3.
In some alternative embodiments, above-mentioned foldable radome fairing further includes having: two folding ears connectors 9, fixed
22 inner surface of segmental arc is set；Two folding monaural connectors 10, each fold monaural connector 10 is fixed at a folded end,
And it is hinged with a folding ears connector 9.
It in some alternative embodiments, further include having two segmental arc embedded components 11, each segmental arc embedded components 11
It is embedded in segmental arc 22, and is bolted with ears connector 9 is folded.
On the other hand a kind of helicopter being provided, there is piggyback pod, the power platform 12 of piggyback pod intersects with fuselage skin 13,
And including any above-mentioned radome fairing, wherein
The connecting pin of two connecting rods 3 and power platform 12 are hinged；
The connection edge and power power platform 12 of folded sheet 1 are hinged；
Radome fairing includes
Closed state, segmental arc 21 are covered on 12 top of power platform；
Opening state, folded sheet 1 are deviated to 13 direction of fuselage skin, and segmental arc 21 deviates 12 top of power platform.
In some alternative embodiments, in the open state, folded sheet 1 abuts radome fairing with fuselage skin 13, with
This provides support force for radome fairing, makes its stabilized structure, lowers risk when staff tramples on it.
In some alternative embodiments, in the open state, flat segments 22 are parallel with power platform, with side for radome fairing
Just staff is in upper operation.
In some alternative embodiments, further include there are two connection ears connectors, be fixedly installed on power platform 12；Two connect
Order terminal lug, each connection monaural connector is fixed at the connecting pin of a connecting rod 3, and connect ears connector hinge with one
It connects；The a piece of page board of at least one connection hinge, each connection hinge is fixedly connected with power platform, another page board and folded sheet
1 wall surface close to connection edge side is fixedly connected.
In the open state, staff can be using its flat segments as platform is trampled, to piggyback pod for above-mentioned radome fairing
When interior equipment is safeguarded, since flat segments are lower than power platform 12, when staff carries out upkeep operation, it can reduce and bend over
Frequency and intensity.
So far, it has been combined preferred embodiment shown in the drawings and describes the technical solution of the application, still, this field
Technical staff is it is easily understood that the protection scope of the application is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of application, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement is fallen within the protection scope of the application.
Claims (10)
1. a kind of foldable radome fairing characterized by comprising
Folded sheet (1), one side edge are known as connecting edge, and the one side edge opposite with the connection edge is known as folded edge
Edge；
Cover plate (2), one side edge are known as rotational edges, and the rotational edges and the folded edge are hinged；The cover plate (2)
Be divided into two sections, wherein one section it is arc-shaped be known as segmental arc (21), another section it is straight be known as flat segments (22)；The rotational edges are
Edge of the flat segments far from the segmental arc (21) side；
One end of at least one connecting rod (3), each connecting rod (3) is known as connecting pin, and the other end is known as folded end, the folding
It holds hinged with the segmental arc (21) inner surface.
2. radome fairing according to claim 1, which is characterized in that the folded sheet (1) and the cover plate (2) are answered by honeycomb
Condensation material manufacture.
3. radome fairing according to claim 2, which is characterized in that further include having:
The U-shaped angle section of folded sheet (4), two sidewalls clamp the wall surface of the folded sheet (1) close to the folded edge side；
The U-shaped angle section of flat segments (5), two sidewalls clamp the wall surface of the flat segments (22) close to the rotational edges side；
At least one folds hinge (6), and each a piece of page board for folding hinge (6) is riveted on the U-shaped angle section of the folded sheet
(4) top surface, another page board are riveted on the top surface of the U-shaped angle section of the flat segments (5).
4. radome fairing according to claim 3, which is characterized in that further include having:
Multiple folded sheet inserts (7), each folded sheet insert (7) are embedded in the folded sheet (1), one end with it is described
The one side wall of the U-shaped angle section of folded sheet (4) is spirally connected, and another side wall of the other end and the U-shaped angle section of the folded sheet (4) is spirally connected；
Multiple flat segments inserts (8), each flat segments insert (8) are embedded in the flat segments (22), one end and institute
The one side wall for stating the U-shaped angle section of flat segments (5) is spirally connected, and another side wall of the other end and the U-shaped angle section of the flat segments (5) is spirally connected.
5. radome fairing according to claim 1, which is characterized in that there are two the connecting rods (3).
6. radome fairing according to claim 5, which is characterized in that further include having:
The segmental arc (22) inner surface is fixedly installed in two folding ears connectors (9)；
Two folding monaural connectors (10), each folding monaural connector (10) are fixed at the folded end, and
It is hinged with a folding ears connector (9).
7. radome fairing according to claim 6, which is characterized in that further include having two segmental arc embedded components (11), each
The segmental arc embedded components (11) are embedded in the segmental arc (22), and are bolted with the folding ears connector (9).
8. a kind of helicopter has piggyback pod, the power platform (12) of the piggyback pod intersects with fuselage skin (13), feature
It is, including radome fairing as claimed in claim 1, wherein
The connecting pin and the power platform (12) of two connecting rods (3) are hinged；
The connection edge of folded sheet (1) and the power power platform (12) are hinged；
The radome fairing includes
Closed state, segmental arc (21) are covered on above the power platform (12)；
Opening state, folded sheet (1) Xiang Suoshu fuselage skin (13) the direction offset, the segmental arc (21) is deviateed described dynamic
Above power platform (12).
9. helicopter according to claim 8, which is characterized in that described when the radome fairing is in the opening state
Folded sheet (1) is abutted with the fuselage skin (13).
10. helicopter according to claim 9, which is characterized in that straight when the radome fairing is in the opening state
Section (22) is parallel with the power platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340605.XA CN109533283B (en) | 2018-11-12 | 2018-11-12 | Collapsible radome fairing and have its helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340605.XA CN109533283B (en) | 2018-11-12 | 2018-11-12 | Collapsible radome fairing and have its helicopter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109533283A true CN109533283A (en) | 2019-03-29 |
| CN109533283B CN109533283B (en) | 2020-09-25 |
Family
ID=65846851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811340605.XA Active CN109533283B (en) | 2018-11-12 | 2018-11-12 | Collapsible radome fairing and have its helicopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109533283B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160804A (en) * | 2020-09-25 | 2021-01-01 | 中国直升机设计研究所 | Engine exhaust pipe fairing |
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| US3008671A (en) * | 1956-12-31 | 1961-11-14 | United Aircraft Corp | Main rotor and pylon fairing |
| CN201362366Y (en) * | 2009-01-08 | 2009-12-16 | 江西昌河航空工业有限公司 | Cowling lock mechanism of helicopter nacelle |
| US20090321573A1 (en) * | 2005-09-28 | 2009-12-31 | Walliser Eric W | Rotor/wing dual mode hub fairing system |
| CN203111495U (en) * | 2012-11-16 | 2013-08-07 | 哈尔滨飞机工业集团有限责任公司 | Helicopter tail speed-reducer cowling |
| CN204433035U (en) * | 2015-01-04 | 2015-07-01 | 哈尔滨飞机工业集团有限责任公司 | Retarder fairing in a kind of helicopter |
| CN106428515A (en) * | 2016-09-23 | 2017-02-22 | 江西洪都航空工业集团有限责任公司 | Foldable cabin door |
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2018
- 2018-11-12 CN CN201811340605.XA patent/CN109533283B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3008671A (en) * | 1956-12-31 | 1961-11-14 | United Aircraft Corp | Main rotor and pylon fairing |
| US20090321573A1 (en) * | 2005-09-28 | 2009-12-31 | Walliser Eric W | Rotor/wing dual mode hub fairing system |
| CN201362366Y (en) * | 2009-01-08 | 2009-12-16 | 江西昌河航空工业有限公司 | Cowling lock mechanism of helicopter nacelle |
| CN203111495U (en) * | 2012-11-16 | 2013-08-07 | 哈尔滨飞机工业集团有限责任公司 | Helicopter tail speed-reducer cowling |
| CN204433035U (en) * | 2015-01-04 | 2015-07-01 | 哈尔滨飞机工业集团有限责任公司 | Retarder fairing in a kind of helicopter |
| CN106428515A (en) * | 2016-09-23 | 2017-02-22 | 江西洪都航空工业集团有限责任公司 | Foldable cabin door |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160804A (en) * | 2020-09-25 | 2021-01-01 | 中国直升机设计研究所 | Engine exhaust pipe fairing |
| CN112160804B (en) * | 2020-09-25 | 2023-03-24 | 中国直升机设计研究所 | Engine exhaust pipe fairing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109533283B (en) | 2020-09-25 |
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