CN101804864A - Bionic wing of flapping-wing aircraft - Google Patents
Bionic wing of flapping-wing aircraft Download PDFInfo
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- CN101804864A CN101804864A CN 201010138146 CN201010138146A CN101804864A CN 101804864 A CN101804864 A CN 101804864A CN 201010138146 CN201010138146 CN 201010138146 CN 201010138146 A CN201010138146 A CN 201010138146A CN 101804864 A CN101804864 A CN 101804864A
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Abstract
The invention provides a bionic wing of a flapping-wing aircraft, belongs to the technical field of aerial bionic aircrafts, and in particular relates to the bionic wing of the flapping-wing aircraft which is suitable for all kinds of flapping-wing aircrafts. The bionic wing of the flapping-wing aircraft is characterized in that: a main-wing wing bone (1) and an assistant-wing wing bone (2) are moveably connected through a main-and-assistant wing connecting joint (3); a wing (6) is fixed on the main-wing wing bone (1) and the assistant-wing wing bone (2); the wing (6) is formed by splicing a plurality of sets of vanes (13); a main-wing tectrice (4) and an assistant-wing tectrice (5) are covered on the outside of the junction of the main-wing wing bone (1) and the wing (6) and the junction of the assistant-wing wing bone (2) and the wing; the main-assistant wing connection joint (3) consists of an extrinsic joint (7), an intrinsic joint (8), a connection shaft (11) and a bearing; the extrinsic joint (7) is fixed under the assistant-wing wing bone (2), while the intrinsic joint (8) is fixed under the main-wing wing bone (1); and the extrinsic joint (7) and the intrinsic joint (8) are movably connected through the connection shaft (11) and the bearing. The bionic wing of the flapping-wing aircraft has the advantages of simple structure, low manufacturing cost, excellent bionic effect, and high flight performance.
Description
Technical field
Bionic wing of flapping-wing aircraft belongs to aviation bionic Aircraft technical field, is specifically related to a kind of bionic wing of flapping-wing aircraft that can be applicable to various flapping-wing aircrafts.
Background technology
At realm of nature, the flight of birds is to be undertaken by fluttering of wing, and through evolution of long period of time, their wing has the characteristics of many suitable flights.For example, the wing of birds mostly is the shape of epirelief recessed (or flat), and according to the modern fluid mechanics theory, the wing of this shape can produce the bigger lift that makes progress when advancing; And for example, wing has been divided into main wing and aileron two parts, and main wing is in the outside, aileron is in the inboard, and main wing is connected by the joint with aileron, when fluttering downwards, wing launches, the interplane space of major-minor closure, wing and air area of contact become big, the lift of being convenient to produce thrust backward and making progress, when upwards fluttering, the wing bending, open in the space between major-minor, effectively reduces and lift resistance on the wing; For another example, clocklike overlap by feather one by one on the wing and form (as the pigeon main wing 10 of remex are arranged, aileron is by 12 of remex), when wing is fluttered downwards, tight between feather, effective pressure is big, on when pouncing on, feather rotates along pinna rachis, open in the space, and air resistance diminishes, or the like.These characteristics make birds have superb flight performance.This bionic wing of flapping-wing aircraft utilizes more facile material and simple production technology on the market, and the characteristics of imitating the birds wing preferably make it to have the function that helps flapping flight, can be used for the manufacturing of multiple flapping wing aircraft wing.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of simple in structure, cost of manufacture is low, bionical effective, the bionic wing of flapping-wing aircraft that flight performance is strong.
The technical solution adopted for the present invention to solve the technical problems is: this bionic wing of flapping-wing aircraft, comprise the main wing ptergoid bone, aileron ptergoid bone and assistant, it is characterized in that: be connected joint motion by the major-minor wing between main wing ptergoid bone and the aileron ptergoid bone and connect, main, be fixed with assistant on the aileron ptergoid bone, assistant is put together by many groups accessory pinna, main, aileron ptergoid bone and assistant junction outer side covers have the master, the aileron coverts, the major-minor wing connects the joint by extrinsic articulation, intrinsic articulation, adapter shaft and bearing are formed, extrinsic articulation is fixed on aileron ptergoid bone below, intrinsic articulation is fixed on main wing ptergoid bone below, and extrinsic articulation and intrinsic articulation flexibly connect by adapter shaft and bearing.The main effect of major and minor wing covert is to cover the assistant hair to be connected the space that the back produces with the thriving bone of major-minor, prevents to leak out.
The described adapter shaft left and right sides is respectively equipped with outer spring and inner spring, and inside and outside spring is fixed by the corresponding spring registration mast that is provided with on the inside and outside joint.
Described adapter shaft is provided with outer spring near a side of aileron ptergoid bone, and outer spring is fixed by the corresponding spring registration mast that is provided with on the inside and outside joint.
Described bearing is single bearing, is installed in the intrinsic articulation axis hole, or is two bearings, is installed in two extrinsic articulation axis holes.
The described accessory pinna left and right sides is fixed with fine sheet of thin carbon and the fine sheet of thick carbon respectively, two accessory pinnas laminate mutually, the fine sheet of thin carbon lower end is fixed on the ptergoid bone inboard, the fine sheet of thick carbon lower end is fixed on the ptergoid bone outside, the fine sheet of thin carbon of the fine sheet of thick carbon of first accessory pinna and second accessory pinna is fixed in middle lower end, make between accessory pinna and the accessory pinna pressing tight, and produce slight radian to ptergoid bone is inboard.Wing static or under when pouncing on because pressing is installed between each sheet assistant, the fine sheet of thin, thick carbon keeps same radian, each accessory pinna is tightly sticked together, and tight does not leak out, lift is big, and when pouncing on the wing, wing runs into wind action, the fine sheet elasticity of thin carbon is big, and is crooked big, and the fine bending tablet of thick carbon is little, the fine sheet of thin, thick carbon separates, open between the accessory pinna, produce big space, the resistance of having pounced on having reduced.
The described accessory pinna left and right sides is fixed the fine sheet of isometric thin carbon respectively, the fine sheet of the thin carbon in right side is wideer than the fine sheet of the thin carbon in left side, the fine sheet of the thin carbon of each bar lower end all is fixed on the ptergoid bone outside, the accessory pinna inboard is equipped with supporting blade, supporting blade be one narrow, thick and be shorter than the fine sheet of carbon of the fine sheet of the thin carbon in right side, the lower end is fixed on the ptergoid bone inboard, upper end and right side thin carbon fibre sheet is adhesively fixed, make accessory pinna to the slight radian of the inboard generation of ptergoid bone, closely pressing mutually between each accessory pinna.When pouncing under the wing, space closure between accessory pinna, when pouncing on the wing, the fine sheet of wide thin carbon is owing to be subjected to the supporting role of supporting blade, and bending is less, and the fine sheet of narrow thin carbon does not support, and greatly crooked, open between the accessory pinna and produce the space, pounce on resistance on reducing.
Vertically be provided with a pinna rachis on the described accessory pinna, the pinna rachis low side and the ptergoid bone outside are fixing, are provided with supporting blade between pinna rachis middle part and the ptergoid bone inboard, make accessory pinna to the slight radian of the inboard generation of ptergoid bone, closely pressing mutually between each accessory pinna.
Pinna rachis and accessory pinna are one, and with the compression moulding of Elastic Carbon fiber material monolithic, or accessory pinna and pinna rachis adopt fine sheet of thin carbon and the fine sheet of thick carbon to make respectively.
Pinna rachis is located at accessory pinna axis one side.When wing was fluttered, the accessory pinna of pinna rachis both sides was stressed unequal, because the elasticity of pinna rachis self, feather rotates around pinna rachis.When the relative main wing of aileron more in short-term, can adopt the feather of pinna rachis at the accessory pinna center, be always closed when wing is fluttered between feather.
Described accessory pinna adopts nylon cloth to make.
On the major and minor thriving bone, the assistant of different structure is installed respectively.The length of assistant, shape, radian are relevant with the position of its place major-minor wing, the position difference, and length, shape, radian be change to some extent as required also.Major and minor wing effect is incomplete same, therefore, on the major and minor thriving bone, the assistant of above-mentioned different structure can be installed respectively, to reach best fiting effect.When needs increase the assistant rotational angle, pinna rachis can be connected with the elasticity that is connected to of ptergoid bone.
Compared with prior art, the beneficial effect that bionic wing of flapping-wing aircraft of the present invention had is: 1, simple in structure, cost of manufacture is low, utilize more facile material and simple production technology making on the market, be fit to batch manufacturing, and can formulate the bionical wing of different size as required, and cost is low, and comformability is strong; 2, bionical effective, flight performance is strong, has imitated the principle and the structure of birds wings preferably, can effectively utilize or reduce the effect of air resistance in the process of fluttering, and the ornithopter flight ability is strengthened.
Description of drawings
Fig. 1 is a bionic wing of flapping-wing aircraft structural representation of the present invention.
Fig. 2 is major and minor thriving bone connection structure scheme drawing.
Fig. 3 is that the embodiment 1 major-minor wing connects the articulation structure scheme drawing.
Fig. 4 is that the embodiment 2 major-minor wings connect the articulation structure scheme drawing.
Fig. 5 is that scheme drawing is looked on an extrinsic articulation structure left side.
Fig. 6 is that scheme drawing is looked on an intrinsic articulation structure left side.
Fig. 7 is accessory pinna structure 1 scheme drawing.
Fig. 8 is accessory pinna structure 1 cutaway view.
Fig. 9 is accessory pinna structure 2 scheme drawings.
Figure 10 is accessory pinna structure 2 cutaway views.
Figure 11 is accessory pinna structure 3 scheme drawings.
Figure 12 is accessory pinna structure 3 cutaway views.
Figure 13 is accessory pinna structure 4 scheme drawings.
Wherein: 1, main wing ptergoid bone 2, aileron ptergoid bone 3, the major-minor wing connect joint 4, main wing coverts 5, aileron coverts 6, assistant 7, extrinsic articulation 8, intrinsic articulation 9, outer spring 10, inner spring 11, adapter shaft 12, spring registration mast 13, accessory pinna 14, the fine sheet 15 of thin carbon, the fine sheet 16 of thick carbon, supporting blade 17, pinna rachis.
The present invention will be further described below in conjunction with accompanying drawing 1～13:
The specific embodiment
With reference to accompanying drawing 1～2:
Bionic wing of flapping-wing aircraft is connected joint 3, main wing coverts 4, aileron coverts 5 and assistant 6 and is formed by main wing ptergoid bone 1, aileron ptergoid bone 2, the major-minor wing.Main wing ptergoid bone 1 is connected joint 3 with aileron ptergoid bone 2 by the major-minor wing and connects, be fixed with assistant 6 on the major and minor thriving bone 1,2, assistant 6 is put together by many groups accessory pinna 13, major and minor thriving bone 1,2 and assistant 6 junction outer side covers have major and minor wing covert 4,5, be used to cover assistant 6 and be connected the space that the back produces with major and minor thriving bone 1,2, prevent to leak out, aileron ptergoid bone 2 is connected with the flapping-wing aircraft fuselage.
With reference to accompanying drawing 3,5～6:
The major and minor wing connects joint 3 and is made up of extrinsic articulation 7, intrinsic articulation 8, outer spring 9, inner spring 10 and adapter shaft 11, extrinsic articulation 7 is connected by adapter shaft 11 with intrinsic articulation 8, two bearings are housed on the extrinsic articulation 7, adapter shaft 11 passes the axis hole on the inside and outside joint 8,7, two joint motions are connected, adapter shaft 11 both sides between the inside and outside joint 8,7 are respectively equipped with outer spring 9 and inner spring 10, and inside and outside spring 10,9 is fixing by the spring registration mast on two joints 12.Extrinsic articulation 7 and intrinsic articulation 8 are separately fixed at main wing ptergoid bone 1 and aileron ptergoid bone 2 belows.According to the construction features in joint as can be seen, for the dual spring joint, when wing was static, main wing is little to be bent downwardly, and when pouncing on down, under wind action, inner spring 10 is compressed, and wing launches, and it is big that resistance becomes, and it is big that lift becomes, and inner spring 10 plays the effect of buffering.When pouncing on the wing, outer spring 9 is compressed, the main wing bending, and resistance reduces, and negative lift reduces, and is beneficial to flight.Outer spring 9 also plays the effect of buffering and control main wing bending degree.The resistance in joint can add little fairing in the place ahead, joint when moving ahead for reducing wing.
With reference to accompanying drawing 7～8:
With reference to accompanying drawing 9～10:
Principle of work and working process are as follows:
Wing static or under when pouncing on since on the main wing between each sheet assistant 6 pressing install, the fine sheet 14,15 of thin, thick carbon keeps same radian, each accessory pinna 13 is tightly sticked together, and tight does not leak out, lift is big, and when pouncing on the wing, wing runs into wind action, fine sheet 14 elasticity of thin carbon are big, crooked big, the fine sheet 14,15 of thin, thick carbon separates, and opens between the accessory pinna 13, produce big space, the resistance of having pounced on having reduced.Similar principles, when the assistant 6 on the aileron was pounced under wing, space closure between each accessory pinna was when pouncing on the wing, the fine sheet of wide thin carbon is owing to be subjected to the supporting role of supporting blade, and bending is less, and the fine sheet of narrow thin carbon does not support, crooked big, open between the accessory pinna and produce the space, pounce on resistance on reducing.
With reference to accompanying drawing 4:
Adapter shaft 11 outsides between the inside and outside joint 8,7 are provided with outer spring 9, and outer spring 9 is fixing by the spring registration mast on two joints 12.On intrinsic articulation 8 axis holes bearing is housed, adapter shaft 11 passes the axis hole on the inside and outside joint 8,7, and two joint motions are connected.For single spring-loaded joint, wing static and under when pouncing on, the major-minor span is opened, when pouncing on the wing, outer spring 9 is compressed under wind action, main wing bending, the resistance of having pounced on having reduced, be beneficial to flight, because the buffer action of no inner spring 10, so the interplane impact of major-minor is bigger during the wing expansion, so when having only a spring, major-minor is interplane will to add thicker elastic film, reduces the interplane impact of major-minor.
With reference to accompanying drawing 11～12:
On the main wing on the structure of assistant 6 and embodiment 1 main wing structure of assistant 6 identical.
With reference to accompanying drawing 13:
The accessory pinna 13 of assistant 6 and pinna rachis 17 are one on the major and minor wing, and with the one-shot forming of elastic fibre material monolithic, pinna rachis 17 is in accessory pinna 13 axis one side, and accessory pinna 13 has certain radian.
It is identical with embodiment 1 that the major and minor wing connects joint 3 structures.
It is identical with embodiment 2 that the major and minor wing connects joint 3 structures.The structure of assistant 6 is all identical with the structure of assistant 6 on the main wing among the embodiment 1 on the major and minor wing.
It is identical with embodiment 1 that the major and minor wing connects joint 3 structures.The structure of assistant 6 is all identical with the structure of assistant 6 on the aileron among the embodiment 1 on the major and minor wing.
It is identical with embodiment 2 that the major and minor wing connects joint 3 structures.The structure of assistant 6 is all identical with the structure of assistant 6 on the aileron among the embodiment 2 on the major and minor wing.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and 4 kinds of structures of described accessory pinna are combination in any installation as required on the major and minor wing.Any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (10)
1. bionic wing of flapping-wing aircraft, comprise main wing ptergoid bone (1), aileron ptergoid bone (2) and assistant (6), it is characterized in that: be connected joint (3) by the major-minor wing between main wing ptergoid bone (1) and the aileron ptergoid bone (2) and flexibly connect, main, aileron ptergoid bone (1,2) be fixed with assistant (6) on, assistant (6) is put together by many groups accessory pinna (13), main, aileron ptergoid bone (1,2) with assistant (6) junction outer side covers the master is arranged, aileron coverts (4,5), the major-minor wing connects joint (3) by extrinsic articulation (7), intrinsic articulation (8), adapter shaft (11) and bearing are formed, extrinsic articulation (7) is fixed on aileron ptergoid bone (2) below, intrinsic articulation (8) is fixed on main wing ptergoid bone (1) below, and extrinsic articulation (7) and intrinsic articulation (8) flexibly connect by adapter shaft (11) and bearing.
2. bionic wing of flapping-wing aircraft according to claim 1, it is characterized in that: described adapter shaft (11) left and right sides is respectively equipped with outer spring (9) and inner spring (10), and it is fixing that inside and outside spring (10,9) is gone up the corresponding spring registration mast (12) that is provided with by inside and outside joint (8,7).
3. bionic wing of flapping-wing aircraft according to claim 1, it is characterized in that: described adapter shaft (11) is provided with outer spring (9) near a side of aileron ptergoid bone (2), and it is fixing that outer spring (9) is gone up the corresponding spring registration mast (12) that is provided with by inside and outside joint (8,7).
4. bionic wing of flapping-wing aircraft according to claim 1, it is characterized in that: described accessory pinna (13) left and right sides is fixed with fine sheet (14) of thin carbon and the fine sheet (15) of thick carbon respectively, two accessory pinnas (13) laminate mutually, the fine sheet (14) of thin carbon lower end is fixed on the ptergoid bone inboard, the fine sheet (15) of thick carbon lower end is fixed on the ptergoid bone outside, the fine sheet of the thick carbon of first accessory pinna (15) is fixed in middle lower end with the fine sheet of thin carbon (14) of second accessory pinna, makes between accessory pinna and the accessory pinna pressing tight.
5. bionic wing of flapping-wing aircraft according to claim 1, it is characterized in that: described accessory pinna (13) left and right sides is fixed the fine sheet of isometric thin carbon respectively, the fine sheet of the thin carbon in right side is wideer than the fine sheet of the thin carbon in left side, the fine sheet of the thin carbon of each bar lower end all is fixed on the ptergoid bone outside, accessory pinna (13) inboard is equipped with supporting blade (16), supporting blade (16) be one narrow, thick and be shorter than the fine sheet of carbon of the fine sheet of the thin carbon in right side, the lower end is fixed on the ptergoid bone inboard, the upper end is adhesively fixed closely pressing mutually between each accessory pinna (13) with the right side fine sheet of thin carbon.
6. bionic wing of flapping-wing aircraft according to claim 1, it is characterized in that: vertically be provided with a pinna rachis (17) on the described accessory pinna (13), pinna rachis (17) low side and the ptergoid bone outside are fixing, be provided with supporting blade (16) between pinna rachis (17) middle part and the ptergoid bone inboard, closely pressing mutually between each accessory pinna (13).
7. bionic wing of flapping-wing aircraft according to claim 6 is characterized in that: pinna rachis (17) and accessory pinna (13) be one, and with the compression moulding of Elastic Carbon fiber material monolithic, or accessory pinna (13) and pinna rachis (17) adopt thin carbon fibre sheet and the making of thick carbon fibre sheet respectively.
8. bionic wing of flapping-wing aircraft according to claim 6 is characterized in that: pinna rachis (17) is located at accessory pinna (13) axis one side.
9. according to claim 1,4 or 5 described bionic wing of flapping-wing aircraft, it is characterized in that: accessory pinna (13) adopts nylon cloth to make.
10. bionic wing of flapping-wing aircraft according to claim 1 is characterized in that: on the major and minor thriving bone (1,2), the assistant (6) of different structure is installed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101381464A CN101804864B (en) | 2010-03-31 | 2010-03-31 | Bionic wing of flapping-wing aircraft |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101381464A CN101804864B (en) | 2010-03-31 | 2010-03-31 | Bionic wing of flapping-wing aircraft |
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| CN101804864A true CN101804864A (en) | 2010-08-18 |
| CN101804864B CN101804864B (en) | 2012-05-30 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106347660B (en) * | 2016-09-29 | 2019-03-22 | 中国地质大学（武汉） | Nanometer self generation type bionic flapping-wing flying vehicle |
| CN111994265A (en) * | 2020-09-02 | 2020-11-27 | 广西大学 | Folding wing ornithopter |
| CN111994266A (en) * | 2020-09-02 | 2020-11-27 | 广西大学 | Folding wing ornithopter |
| CN112407273A (en) * | 2020-11-25 | 2021-02-26 | 浙江工业大学 | Bird prey variant-imitating wing |
| CN112937856A (en) * | 2021-02-04 | 2021-06-11 | 南京航空航天大学 | Bird-like empennage unfolding mechanism |
| CN113247247A (en) * | 2021-06-30 | 2021-08-13 | 浙江工业大学 | Control structure of imitative bird feather muscle |
| CN113264178A (en) * | 2021-06-30 | 2021-08-17 | 浙江工业大学 | Bionic connecting structure for cooperative movement of feather and metacarpal bone of falcon |
| CN115320826A (en) * | 2022-10-14 | 2022-11-11 | 成都航空职业技术学院 | Bionic feather and bionic aircraft adopting same |
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| CN201633923U (en) * | 2010-03-31 | 2010-11-17 | 杨绍河 | Ornithopter bionic wing |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347660B (en) * | 2016-09-29 | 2019-03-22 | 中国地质大学（武汉） | Nanometer self generation type bionic flapping-wing flying vehicle |
| CN111994265A (en) * | 2020-09-02 | 2020-11-27 | 广西大学 | Folding wing ornithopter |
| CN111994266A (en) * | 2020-09-02 | 2020-11-27 | 广西大学 | Folding wing ornithopter |
| CN112407273A (en) * | 2020-11-25 | 2021-02-26 | 浙江工业大学 | Bird prey variant-imitating wing |
| CN112937856A (en) * | 2021-02-04 | 2021-06-11 | 南京航空航天大学 | Bird-like empennage unfolding mechanism |
| CN112937856B (en) * | 2021-02-04 | 2022-04-22 | 南京航空航天大学 | Bird-like empennage unfolding mechanism |
| CN113247247A (en) * | 2021-06-30 | 2021-08-13 | 浙江工业大学 | Control structure of imitative bird feather muscle |
| CN113264178A (en) * | 2021-06-30 | 2021-08-17 | 浙江工业大学 | Bionic connecting structure for cooperative movement of feather and metacarpal bone of falcon |
| CN115320826A (en) * | 2022-10-14 | 2022-11-11 | 成都航空职业技术学院 | Bionic feather and bionic aircraft adopting same |
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| Publication number | Publication date |
|---|---|
| CN101804864B (en) | 2012-05-30 |
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Granted publication date: 20120530 Termination date: 20130331 |