CN107933881A - A kind of outer wing folding and unfolding mechanism of aircraft - Google Patents
A kind of outer wing folding and unfolding mechanism of aircraft Download PDFInfo
- Publication number
- CN107933881A CN107933881A CN201711127312.9A CN201711127312A CN107933881A CN 107933881 A CN107933881 A CN 107933881A CN 201711127312 A CN201711127312 A CN 201711127312A CN 107933881 A CN107933881 A CN 107933881A
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- CN
- China
- Prior art keywords
- folding
- wing
- sleeve
- fixed
- shaft
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a kind of outer wing folding and unfolding mechanism of aircraft,Including fixed-wing,The side of the fixed-wing is connected with folding wings by hinge support mechanism,Folding exhibition actuating unit is provided between the fixed-wing and folding wings,The folding exhibition actuating unit includes servomotor,Screw,Roll over showing shaft and sleeve,The servomotor is fixedly mounted on the spar of fixed-wing by motor cabinet,The output shaft of the servomotor is connected with screw by shaft coupling,Feed screw nut's adaptor is socketed with the screw,Folding showing shaft is fixedly connected with feed screw nut's adaptor,The sleeve lining is provided with helicla flute,The folding showing shaft is arranged in sleeve,And the folding showing shaft is meshed with the helicla flute,The sleeve is fixedly connected on the spar of folding wings,With larger gearratio,Output torque is increased during wing folding exhibition,So that the folding exhibition of wing is easy to carry out,And there is unidirectional self-lock ability.
Description
Technical field
The present invention relates to the outer wing folding and unfolding mechanism in vehicle technology field, specially a kind of aircraft.
Background technology
Fold-playing aircraft is proposed from bionic angle, can be changed according to aerial mission and external environment continuous
Wing shapes are adaptively adjusted, to keep optimum wing loading.The current outer wing folding and unfolding mechanism of existing planet gear type can pass through
Its more compact and simple mechanism realizes the folding exhibition movement of external wing, but since its gearratio is little, and without unidirectional
Self-lock ability, this just proposes higher requirement to the selection of servomotor；And needed in flight course for a long time to servo electricity
Machine is powered, to keep its flight attitude.Due to the wing folding and unfolding mechanism using thermal polymerization driver and piezoelectric actuator still in
Experimental stage, it is still not practical.Therefore, it is further to go deep into designing a kind of morphing aircraft wing folding and unfolding mechanism at this stage
Study the necessary condition of folding wings morphing aircraft.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of outer wing folding and unfolding mechanism of aircraft, has
Larger gearratio, output torque is increased during wing folding exhibition so that the folding exhibition of wing is easy to carry out, and has unidirectionally certainly
Lock ability.
The technical solution adopted by the present invention to solve the technical problems is：A kind of outer wing folding and unfolding mechanism of aircraft, bag
Fixed-wing is included, the side of the fixed-wing is connected with folding wings by hinge support mechanism, and the hinge support mechanism includes base
Seat and auricle, the auricle are fastened on pedestal by axis pin；
Folding exhibition actuating unit is provided between the fixed-wing and folding wings, the folding exhibition actuating unit includes servo electricity
Machine, screw, folding showing shaft and sleeve, the servomotor are fixedly mounted on the spar of fixed-wing by motor cabinet, the servo
The output shaft of motor is connected with screw by shaft coupling, and feed screw nut's adaptor, the screw spiral shell are socketed with the screw
Folding showing shaft is fixedly connected with female adaptor, the sleeve lining is provided with helicla flute, and the folding showing shaft is arranged in sleeve, and
The folding showing shaft is meshed with the helicla flute, and the sleeve is fixedly connected on the spar of folding wings.
As a kind of preferable technical solution of the present invention, fixation is bolted in the spar of the pedestal and fixed-wing,
Fixation is bolted in the auricle and the spar of folding wings.
As a kind of preferable technical solution of the present invention, the servomotor, which is bolted, is fixedly mounted on motor cabinet
Interior, the motor cabinet is bolted to be fixed with the spar of fixed-wing.
As a kind of preferable technical solution of the present invention, feed screw nut's adaptor is by feed screw nut pair and transfer block group
Into the feed screw nut pair and transfer block are an integral structure, and the screw is arranged in feed screw nut pair.
As a kind of preferable technical solution of the present invention, main through hole, the main through hole both sides are provided with the transfer block
The secondary through hole of the transfer block is provided through, punching is provided with the folding showing shaft, the folding showing shaft passes through through secondary through hole
It is fixedly mounted on the bolt of punching in main through hole.
As a kind of preferable technical solution of the present invention, screw mandrel shaft block is provided with the cylinder arm of the sleeve and wing connects
Joint chair, the sleeve are fixed on the spar of folding wings by wing connecting seat, the sleeve, screw mandrel shaft block, wing connection
Seat and folding wings are an integral structure.
As a kind of preferable technical solution of the present invention, one end of the screw is arranged in screw mandrel shaft block.
Compared with prior art, the beneficial effects of the invention are as follows：
Folding exhibition actuating unit in the present invention drives screw to rotate by servomotor, passes through the silk set on screw
Stem nut adaptor drives folding showing shaft to move along a straight line in sleeve, finally so that sleeve rotates, realizes folding wings
Fold and expansion, rotation is converted to translation by folding exhibition actuating unit, then during translation is converted to rotation, increases output
Moment of torsion so that the folding exhibition of wing is easy to carry out, while feed screw nut pair plays the function of self-locking, and wing is in folding exhibition to required angle
Folding wings can be fixed after degree, to adapt to different flying conditions.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the hinge support mechanism structure schematic diagram of the present invention；
The folding that Fig. 3 is the present invention opens up actuating unit structure diagram；
Fig. 4 is the folding showing shaft structure diagram of the present invention；
Fig. 5 is the tube-in-tube structure schematic diagram of the present invention；
Fig. 6 is feed screw nut's adaptor structure diagram of the present invention.
In figure：1- fixed-wings；2- hinge supports mechanism；3- folding wings；4- pedestals；5- auricles；6- folding exhibition actuating units；7-
Servomotor；8- screws；9- rolls over showing shaft；10- sleeves；11- motor cabinets；12- shaft couplings；13- feed screw nut's adaptor；14- spiral shells
Spin slot；15- feed screw nut pairs；16- transfer blocks；The main through holes of 17-；18- pair through holes；19- punchings；20- screw mandrel shaft blocks；21- machines
Wing connecting seat.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As depicted in figs. 1 and 2, the present invention provides a kind of outer wing folding and unfolding mechanism of aircraft, including fixed-wing 1, institute
The side for stating fixed-wing 1 is connected with folding wings 3 by hinge support mechanism 2, and hinge support mechanism 2 is so that fixed-wing 1 and folding
The structure that the wing 3 is integrally formed, while folding wings 3 are also acted as with the effect of support and fixation；The hinge support mechanism 2 includes base
Seat 4 and auricle 5, the auricle 5 are fastened on pedestal 4 by axis pin, and folding wings 3 can be relatively solid along hinge support mechanism 2
Determine the wing 1 to rotate, to complete the folding of wing and expansion process；The spar of the pedestal 4 and fixed-wing 1 is bolted
Fixed, fixation is bolted in the auricle 5 and the spar of folding wings 3.
As shown in figure 3, folding exhibition actuating unit 6 is provided between the fixed-wing 1 and folding wings 3, the folding exhibition engine
Structure 6 includes servomotor 7, screw 8, folding showing shaft 9 and sleeve 10, the servomotor 7 and is fixedly mounted on by motor cabinet 11
On the spar for determining the wing 1, the servomotor 7, which is bolted, to be fixedly mounted in motor cabinet 11, and the motor cabinet 11 passes through
It is bolted and is fixed with the spar of fixed-wing 1 so that the installation of servomotor 7 is carried out with convenient disassembly, is easy to servomotor 7
Safeguarded and replaced；The output shaft of the servomotor 7 is connected with screw 8 by shaft coupling 12, and servomotor 7 provides silk
The power that bar 8 rotates.
As shown in Figure 3 and Figure 6, feed screw nut's adaptor 13, feed screw nut's adaptor 13 are socketed with the screw 8
On be fixedly connected with folding showing shaft 9, feed screw nut's adaptor 13 is made of feed screw nut pair 15 and transfer block 16, the screw
Pair of nut 15 and transfer block 16 are an integral structure, and the screw 8 is arranged in feed screw nut pair 15, and screw 8 is in servo electricity
Machine 7 is rotated by, and is driven feed screw nut's adaptor 13 to move along a straight line on screw 8 by feed screw nut pair 15, is made
Showing shaft 9 must be rolled over along moving along a straight line, while feed screw nut pair 15 has the function of self-locking, wing is in folding exhibition to required angle
After folding wings 3 can be fixed, to adapt to different flying conditions；Main through hole 17 is provided with the transfer block 16, the master is led to
17 both sides of hole are provided through the secondary through hole 18 of the transfer block 16, and punching 19, the folding showing shaft are provided with the folding showing shaft 9
9 through secondary through hole 18 and the bolt of punching 19 by being fixedly mounted in main through hole 17 so that folding showing shaft 9 can be fastened on screw
In nut adaptor 13, the phenomenon loosened is not susceptible to, ensures that wing normally can be folded and be unfolded at work, leads at the same time
Cross and be bolted, be easy to the disassembly and installation of mechanism, easy to care and maintenance, extend mechanism service life.
As shown in Figure 4 and Figure 5,10 inner wall of sleeve is provided with helicla flute 14, and the folding showing shaft 9 is arranged on sleeve 10
In, and the folding showing shaft 9 is meshed with the helicla flute 14, the sleeve 10 is fixedly connected on the spar of folding wings 3, rolls over exhibition
When axis 9 is moved along a straight line in sleeve 10, due to the setting of spiral protrusion and helicla flute 14, sleeve 10 can be sent out along folding showing shaft 9
Raw to rotate, sleeve 10 is fixed in folding wings 3 so that folding wings 3 rotate along folding showing shaft 9, you can realize the folding of folding wings 3
Folded and expansion.
As shown in figure 3, screw mandrel shaft block 20 and wing connecting seat 21, the sleeve are provided with the cylinder arm of the sleeve 10
10 are fixed on by wing connecting seat 21 on the spar of folding wings 3, the sleeve 10, screw mandrel shaft block 20, wing connecting seat 21
Be an integral structure with folding wings 3, there is very big structural strength, during aircraft flight, it is easy to accomplish wing it is more
Secondary continuous folding and expansion；One end of the screw 8 is arranged in screw mandrel shaft block 20, and protection screw 8 is hardly damaged, and extends machine
The service life of structure.
In conclusion the main characteristic of the invention lies in that：
Folding exhibition actuating unit 6 in the present invention drives screw 8 to rotate by servomotor 7, by being set on screw 8
Feed screw nut's adaptor 13 drive folding showing shaft 9 to move along a straight line in sleeve 10, it is real finally so that sleeve 10 rotates
Rotation is converted to translation by the folding and expansion of existing folding wings 3, folding exhibition actuating unit 6, then translation is converted to the process of rotation
In, increase output torque so that the folding exhibition of wing is easy to carry out, while feed screw nut pair 15 plays the function of self-locking, wing
Folding wings 3 can be fixed after folding exhibition to required angle, to adapt to different flying conditions.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (7)
1. a kind of outer wing folding and unfolding mechanism of aircraft, including fixed-wing (1), it is characterised in that：The side of the fixed-wing (1)
Folding wings (3) are connected with by hinge support mechanism (2), the hinge support mechanism (2) includes pedestal (4) and auricle (5), institute
Auricle (5) is stated to be fastened on pedestal (4) by axis pin；
Folding exhibition actuating unit (6) is provided between the fixed-wing (1) and folding wings (3), the folding exhibition actuating unit (6) includes
Servomotor (7), screw (8), folding showing shaft (9) and sleeve (10), the servomotor (7) are fixedly mounted by motor cabinet (11)
On the spar of fixed-wing (1), the output shaft of the servomotor (7) is connected with screw (8) by shaft coupling (12), described
Feed screw nut's adaptor (13) is socketed with screw (8), folding showing shaft is fixedly connected with feed screw nut's adaptor (13)
(9), sleeve (10) inner wall is provided with helicla flute (14), and the folding showing shaft (9) is arranged in sleeve (10), and the folding exhibition
Axis (9) is meshed with the helicla flute (14), and the sleeve (10) is fixedly connected on the spar of folding wings (3).
A kind of 2. outer wing folding and unfolding mechanism of aircraft according to claim 1, it is characterised in that：The pedestal (4) with
Fixation is bolted in the spar of fixed-wing (1), and fixation is bolted in the auricle (5) and the spar of folding wings (3).
A kind of 3. outer wing folding and unfolding mechanism of aircraft according to claim 1, it is characterised in that：The servomotor
(7) it is bolted and is fixedly mounted in motor cabinet (11), the motor cabinet (11) is bolted and fixed-wing (1)
Spar is fixed.
A kind of 4. outer wing folding and unfolding mechanism of aircraft according to claim 1, it is characterised in that：The feed screw nut turns
Fitting (13) is made of feed screw nut pair (15) and transfer block (16), and the feed screw nut pair (15) and transfer block (16) are integrated
Formula structure, and the screw (8) is arranged in feed screw nut pair (15).
A kind of 5. outer wing folding and unfolding mechanism of aircraft according to claim 4, it is characterised in that：The transfer block (16)
On be provided with main through hole (17), main through hole (17) both sides are provided through the secondary through hole (18) of the transfer block (16), institute
State and punching (19) is provided with folding showing shaft (9), the folding showing shaft (9) through secondary through hole (18) and the bolt of punching (19) by consolidating
Dingan County is mounted in main through hole (17).
A kind of 6. outer wing folding and unfolding mechanism of aircraft according to claim 1, it is characterised in that：The sleeve (10)
Screw mandrel shaft block (20) and wing connecting seat (21) are provided with cylinder arm, the sleeve (10) is fixed by wing connecting seat (21)
On the spar of folding wings (3), the sleeve (10), screw mandrel shaft block (20), wing connecting seat (21) and folding wings (3) are one
Body formula structure.
A kind of 7. outer wing folding and unfolding mechanism of aircraft according to claim 6, it is characterised in that：The screw (8)
One end is arranged in screw mandrel shaft block (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127312.9A CN107933881A (en) | 2017-11-15 | 2017-11-15 | A kind of outer wing folding and unfolding mechanism of aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127312.9A CN107933881A (en) | 2017-11-15 | 2017-11-15 | A kind of outer wing folding and unfolding mechanism of aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107933881A true CN107933881A (en) | 2018-04-20 |
Family
ID=61932243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711127312.9A Pending CN107933881A (en) | 2017-11-15 | 2017-11-15 | A kind of outer wing folding and unfolding mechanism of aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107933881A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050879A (en) * | 2018-08-01 | 2018-12-21 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of folding support rod formula wingfold mechanism |
| CN110104165A (en) * | 2019-05-14 | 2019-08-09 | 三亚学院 | It is fitted in longitudinal folding fixed wing in vertical take-off and landing drone |
| CN110667823A (en) * | 2019-10-10 | 2020-01-10 | 河北科技大学 | Two-way automatic folding device |
| CN110844058A (en) * | 2020-01-06 | 2020-02-28 | 天津微深科技有限公司 | Modular morphing aircraft |
| CN110871886A (en) * | 2018-08-31 | 2020-03-10 | 海鹰航空通用装备有限责任公司 | Foldable and unfoldable wing for aircraft and aircraft with foldable and unfoldable wing |
| CN111232185A (en) * | 2018-11-28 | 2020-06-05 | 海鹰航空通用装备有限责任公司 | Wing surface folding and unfolding mechanism |
| CN112693593A (en) * | 2021-03-23 | 2021-04-23 | 成都飞亚航空设备应用研究所有限公司 | Flat straight airfoil folding mechanism |
| CN112977800A (en) * | 2021-03-24 | 2021-06-18 | 中国科学院力学研究所 | Folding wing for hypersonic aircraft |
| CN113401329A (en) * | 2020-03-16 | 2021-09-17 | 海鹰航空通用装备有限责任公司 | Unmanned aerial vehicle wing quick assembly disassembly mechanism and have its unmanned aerial vehicle |
| CN113665789A (en) * | 2021-08-11 | 2021-11-19 | 广东空天科技研究院 | Thin folding wing and locking mechanism thereof |
| CN115056964A (en) * | 2022-03-16 | 2022-09-16 | 南京理工大学 | Built-in electro-hydraulic servo drive flap mechanism for aerospace vehicle |
-
2017
- 2017-11-15 CN CN201711127312.9A patent/CN107933881A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050879B (en) * | 2018-08-01 | 2021-11-19 | 中国航空工业集团公司沈阳飞机设计研究所 | Folding brace rod type wing folding mechanism |
| CN109050879A (en) * | 2018-08-01 | 2018-12-21 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of folding support rod formula wingfold mechanism |
| CN110871886A (en) * | 2018-08-31 | 2020-03-10 | 海鹰航空通用装备有限责任公司 | Foldable and unfoldable wing for aircraft and aircraft with foldable and unfoldable wing |
| CN111232185A (en) * | 2018-11-28 | 2020-06-05 | 海鹰航空通用装备有限责任公司 | Wing surface folding and unfolding mechanism |
| CN110104165A (en) * | 2019-05-14 | 2019-08-09 | 三亚学院 | It is fitted in longitudinal folding fixed wing in vertical take-off and landing drone |
| CN110667823A (en) * | 2019-10-10 | 2020-01-10 | 河北科技大学 | Two-way automatic folding device |
| CN110667823B (en) * | 2019-10-10 | 2022-09-13 | 河北科技大学 | Two-way automatic folding device |
| CN110844058A (en) * | 2020-01-06 | 2020-02-28 | 天津微深科技有限公司 | Modular morphing aircraft |
| CN113401329B (en) * | 2020-03-16 | 2023-03-14 | 海鹰航空通用装备有限责任公司 | Unmanned aerial vehicle wing quick assembly disassembly mechanism and have its unmanned aerial vehicle |
| CN113401329A (en) * | 2020-03-16 | 2021-09-17 | 海鹰航空通用装备有限责任公司 | Unmanned aerial vehicle wing quick assembly disassembly mechanism and have its unmanned aerial vehicle |
| CN112693593A (en) * | 2021-03-23 | 2021-04-23 | 成都飞亚航空设备应用研究所有限公司 | Flat straight airfoil folding mechanism |
| CN112977800A (en) * | 2021-03-24 | 2021-06-18 | 中国科学院力学研究所 | Folding wing for hypersonic aircraft |
| CN113665789A (en) * | 2021-08-11 | 2021-11-19 | 广东空天科技研究院 | Thin folding wing and locking mechanism thereof |
| CN115056964A (en) * | 2022-03-16 | 2022-09-16 | 南京理工大学 | Built-in electro-hydraulic servo drive flap mechanism for aerospace vehicle |
| CN115056964B (en) * | 2022-03-16 | 2024-04-12 | 南京理工大学 | Built-in electrohydraulic servo driving flap mechanism for aerospace vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180420 |