CN105947173A - Automatic opening and closing mechanism of lower opening cover of unmanned aerial vehicle - Google Patents
Automatic opening and closing mechanism of lower opening cover of unmanned aerial vehicle Download PDFInfo
- Publication number
- CN105947173A CN105947173A CN201610466356.3A CN201610466356A CN105947173A CN 105947173 A CN105947173 A CN 105947173A CN 201610466356 A CN201610466356 A CN 201610466356A CN 105947173 A CN105947173 A CN 105947173A
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- China
- Prior art keywords
- lower flap
- lower opening
- opening cover
- guide rail
- fixed
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Classifications
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- 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
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses an automatic opening and closing mechanism of a lower opening cover of an unmanned aerial vehicle, aiming at solving the technical problems that a lower opening of a fuselage of the unmanned aerial vehicle is not provided with a cover. According to the technical scheme, the automatic opening and closing mechanism comprises a rear limiting switch, a guide rail, rolling wheel assemblies, a motor assembly, a gear, a bracket, a lower opening cover, a rack, a front limiting switch, a rectifying block and a screw. The rolling wheel assemblies are fixed at the left and right ends of the lower opening cover through bolt joint, so that the lower opening cover can move frontward and backward along the guide rail through the rolling wheels at the left and right ends; the front limiting switch and the rear limiting switch are fixed under the fuselage through a base and a screw and the limiting switches are triggered when the lower opening cover moves to front and rear appointed positions; a flight control computer is used for judging whether the lower opening cover moves to the appointed position according to the states of the limiting switches and accurately controlling the position of the lower opening cover 7 through a motor assembly 4. Under the control of the flight control computer, the automatic opening and closing of the lower opening cover can be finished according to the working state of the unmanned aerial vehicle; and the structure is stable and reliable and the lower opening cover can accurately reach the position when being opened and closed.
Description
Technical field
The present invention relates to a kind of switching mechanism, particularly relate to a kind of unmanned plane the lower flap automatic switch mechanism.
Background technology
Scout the main task that monitoring is unmanned plane, therefore carry the unmanned plane of photoelectronic reconnaissance platform in unmanned plane is applied
Play an important role.For reducing flight resistance, improving flying power, the unmanned plane carrying photoelectronic reconnaissance platform only exists
During execution task, photoelectronic reconnaissance platform is stretched out from fuselage under shed, when making a return voyage in not up to working region or the task that completes,
Photoelectronic reconnaissance platform is regained in fuselage.The front face area of photoelectricity reconnaissance platforms, photoelectricity time simultaneously for reducing execution task
Reconnaissance platforms profile is spherical structure, and fuselage under shed is circular open.When unmanned plane during flying, fuselage under shed
There is the aerodynamic configuration having a strong impact on fuselage, not only affect the flying quality of unmanned plane, and be greatly increased flight resistance.
For middle-size and small-size unmanned plane, many employing parachutings are landed and are reclaimed, and when throwing umbrella and accident occur, unmanned plane can be dragged by parachute
Drag and move on the ground, collide with, the existence of fuselage under shed can cause the photoelectronic reconnaissance platform of fuselage interior and its
He lacks protection by airborne equipment, easily causes damage.
Summary of the invention
In order to overcome the deficiency of existing unmanned aerial vehicle body under shed uncovered, the present invention provides a kind of unmanned plane the lower flap automatic
Switching mechanism.This switching mechanism include rear limit switch, guide rail, roll wheel assembly, electric machine assembly, gear, support,
The lower flap, tooth bar, front limit switch, rectifying block and screw.Described roll wheel assembly is fixed on the lower flap by being spirally connected
Two ends, left and right, enable the lower flap to be seesawed along guide rail by two ends, left and right roller；Front limit switch and rear spacing open
Closing is fixed on below fuselage by base and screw, it is ensured that the lower flap moves to trigger during forward and backward appointment position spacing opening
Closing, whether flight control computer moves to specify position according to the condition adjudgement the lower flap of limit switch, and passes through group of motors
Part 4 accurately controls the position of the lower flap 7.The present invention, under the control of flight control computer, can work according to unmanned plane
State, completes the automatic switch of the lower flap, and Stability Analysis of Structures is reliable, and during the lower flap switch, in-position is accurate.
The technical solution adopted for the present invention to solve the technical problems is: a kind of unmanned plane the lower flap automatic switch mechanism,
It is characterized in including rear limit switch 1, guide rail 2, roll wheel assembly 3, electric machine assembly 4, gear 5, support 6, end opening
Lid 7, tooth bar 8, front limit switch 9, rectifying block 10 and screw 11.Described roll wheel assembly 3 is fixing by being spirally connected
In the lower flap about 7 two ends, make the lower flap 7 can be seesawed along guide rail 2 by two ends, left and right roller；Guide rail 2
It is symmetrically fixed on both sides below fuselage 12 by being spirally connected, and ensures that guide rail 2 and the lower flap 7 upper roller leave gap；Tooth
Bar 8 rear and front end is fixed on the lower flap 7 inner surface position of center line, electric machine assembly 4 and gear 5 by being spirally connected and is passed through
Support 6 is fixed on deckle board 13 against side, course, it is ensured that gear 5 engages with the tooth bar 8 in the lower flap 7；Rectifying block 10
Be fixed on lower end, fuselage 12 front by screw 11, it is ensured that when the lower flap 7 is closed, rectifying block 10 rear end face with under
Lid 7 front end face is fitted, and plays a supporting role the lower flap 7 when unmanned plane force-lands, simultaneously works as rectified action；
Front limit switch 9 and rear limit switch 1 are fixed on below fuselage by base and screw, it is ensured that before the lower flap moves to,
Triggering limit switch during rear appointment position, whether flight control computer moves according to the condition adjudgement the lower flap 7 of limit switch
To specifying position, and accurately controlled the position of the lower flap 7 by electric machine assembly 4.
The invention has the beneficial effects as follows: this switching mechanism include rear limit switch, guide rail, roll wheel assembly, electric machine assembly,
Gear, support, the lower flap, tooth bar, front limit switch, rectifying block and screw.Described roll wheel assembly is by being spirally connected
It is fixed on two ends, the lower flap left and right, enables the lower flap to be seesawed along guide rail by two ends, left and right roller；Front limit is opened
Close and rear limit switch is fixed on below fuselage by base and screw, it is ensured that the lower flap moves to forward and backward appointment position
Time trigger limit switch, flight control computer according to the condition adjudgement the lower flap of limit switch whether move to specify position,
And the position of the lower flap 7 is accurately controlled by electric machine assembly 4.The present invention under the control of flight control computer, Ke Yigen
According to unmanned plane duty, completing the automatic switch of the lower flap, Stability Analysis of Structures is reliable, in-position during the lower flap switch
Accurately.
With detailed description of the invention, the present invention is elaborated below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is unmanned plane the lower flap automatic switch mechanism workflow block diagram；
Fig. 2 is the structural representation of unmanned plane the lower flap automatic switch mechanism of the present invention；
Fig. 3 is the C-C sectional view of Fig. 2；
Fig. 4 is the side view of the lower flap in Fig. 2；
Fig. 5 is the structural representation of rectifying block in Fig. 2.
In figure, limit switch after 1-, 2-guide rail, 3-roll wheel assembly, 4-electric machine assembly, 5-gear, 6-support, under 7-
Lid, 8-tooth bar, 9-front limit switchs, 10-rectifying block, 11-screw, 12-fuselage, 13-deckle board.
Detailed description of the invention
Following example are with reference to Fig. 1～5.
Unmanned plane the lower flap automatic switch mechanism of the present invention includes rear limit switch 1, guide rail 2, roll wheel assembly 3, motor
Assembly 4, gear 5, support 6, the lower flap 7, tooth bar 8, front limit switch 9, rectifying block 10 and screw 11.
Described roll wheel assembly 3 is fixed on the lower flap about 7 two ends by being spirally connected, it is ensured that the lower flap 7 can pass through left and right
Two ends roller seesaws along guide rail 2；Wherein roll wheel assembly 3 includes longitudinal roller and transverse-roller,
Longitudinal roller, transverse-roller and guide-track groove are matched in clearance, with ensure the lower flap 7 up and down and left and right directions and
Guide rail 2 is rolling friction, it is to avoid the lower flap 7 is stuck on guide rail 2 under unmanned plane Aerodynamic force action；Guide rail 2 leads to
Crossing is spirally connected is symmetrically fixed on both sides below fuselage 12, it is ensured that guide rail 2 and the gap of the lower flap 7 upper roller；Tooth bar 8
Rear and front end is fixed on the lower flap 7 inner surface position of center line, electric machine assembly 4 and gear 5 by being spirally connected and is passed through support
6 are fixed on deckle board 13 against side, course, it is ensured that gear 5 engages with the tooth bar 8 in the lower flap 7；Rectifying block 10 is led to
Cross screw 11 and be fixed on lower end, fuselage 12 front, it is ensured that when the lower flap 7 is closed, rectifying block 10 rear end face and end opening
Cover 7 front end faces laminating, the lower flap 7 is played a supporting role when unmanned plane force-land, simultaneously to the lower flap 7 front end with
Rectified action is played in gap below fuselage 12；Front limit switch 9 and rear limit switch 1 are fixed by base and screw
Below fuselage 12, it is ensured that the lower flap 7 moves to forward and backward appointment position can trigger limit switch in time, in order to fly
Whether control computer can move to specify position according to the condition adjudgement the lower flap 7 of limit switch, and passes through group of motors
Part 4 accurately controls the position of the lower flap 7.
Whole system includes that flight control computer and the lower flap automatic switch mechanism, flight control computer and the lower flap switch automatically
In-house electric machine assembly 4 is connected.
In a non-operative state, the lower flap 7 is constantly in closed mode to unmanned plane.Unmanned plane performs task to be needed to open
During the lower flap 7, flight control computer sends driving signal to motor, and motor rotates in the counterclockwise direction, electric machine assembly 4
Moved by gear 5 band carry-over bar 8 and the lower flap 7, the lower flap 7 by the roll wheel assembly 3 at two ends along guide rail 2 to
Rear motion, when arriving appointment position, limit switch 1 after the triggering of the lower flap 7 rear end, the action of rear limit switch 1 also will
The lower flap 7 signal that puts in place is sent to flight control computer, and flight control computer stops sending driving signal to motor, and motor stops
Spline is moved, and the lower flap 7 stops rearward movement, completes the lower flap 7 opening action.Unmanned plane completes task to be needed to close
During the lower flap 7, flight control computer sends driving signal to motor, and motor is rotated in the clockwise direction, electric machine assembly 4
Moved by gear 5 band carry-over bar 8 and the lower flap 7, the lower flap 7 by the roll wheel assembly 3 at two ends along guide rail 2 to
Front motion, arrive specify position time, the lower flap 7 front end trigger front limit switch 9, front limit switch 9 actions and by
The lower flap 7 signal that puts in place is sent to flight control computer, and flight control computer stops sending driving signal to motor, and motor stops
Spline move, the lower flap 7 stop travel forward, complete the lower flap 7 closing motion, reached holding unmanned plane pneumatic outside
Shape, reduces flight resistance and the purpose of protection.
Claims (1)
1. a unmanned plane the lower flap automatic switch mechanism, it is characterised in that: include rear limit switch (1), guide rail (2),
Roll wheel assembly (3), electric machine assembly (4), gear (5), support (6), the lower flap (7), tooth bar (8), front limit
Bit switch (9), rectifying block (10) and screw (11)；Described roll wheel assembly (3) is fixed on end opening by being spirally connected
Lid (7) two ends, left and right, make the lower flap (7) can be seesawed along guide rail (2) by two ends, left and right roller；Guide rail
(2) it is symmetrically fixed on both sides, fuselage (12) lower section by being spirally connected, and ensures the upper rolling of guide rail (2) and the lower flap (7)
Wheel leaves gap；The lower flap (7) inner surface position of center line is fixed on by being spirally connected in tooth bar (8) rear and front end, electricity
Thermomechanical components (4) and gear (5) are fixed on the inverse side, course of deckle board (13) by support (6), it is ensured that gear (5)
Engage with the tooth bar (8) in the lower flap (7)；Rectifying block (10) is fixed on fuselage (12) by screw (11)
Lower end, front, it is ensured that when the lower flap (7) is closed, rectifying block (10) rear end face pastes with the lower flap (7) front end face
Close, the lower flap (7) is played a supporting role when unmanned plane force-lands, simultaneously works as rectified action；Front limit switch (9)
It is fixed on below fuselage with rear limit switch (1) by base and screw, it is ensured that the lower flap moves to forward and backward specific bit
Triggering limit switch when putting, whether flight control computer moves to specify according to the condition adjudgement the lower flap (7) of limit switch
Position, and the position of the lower flap (7) is accurately controlled by electric machine assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466356.3A CN105947173B (en) | 2016-06-23 | 2016-06-23 | Unmanned plane the lower flap automatic switch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466356.3A CN105947173B (en) | 2016-06-23 | 2016-06-23 | Unmanned plane the lower flap automatic switch mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105947173A true CN105947173A (en) | 2016-09-21 |
| CN105947173B CN105947173B (en) | 2018-07-03 |
Family
ID=56904717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610466356.3A Active CN105947173B (en) | 2016-06-23 | 2016-06-23 | Unmanned plane the lower flap automatic switch mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN105947173B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672198A (en) * | 2016-12-06 | 2017-05-17 | 中国航空工业集团公司成都飞机设计研究所 | Sliding-lifting type cabin door |
| CN107618652A (en) * | 2017-09-11 | 2018-01-23 | 珠海天晴航空航天科技有限公司 | A kind of unmanned plane lid quick-release structure and jacking system |
| CN112550729A (en) * | 2021-02-23 | 2021-03-26 | 成都飞航智云科技有限公司 | Aircraft with pneumatic appearance is impaired later to prevent weighing down function |
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| US5259576A (en) * | 1992-05-18 | 1993-11-09 | Howard D U | External sliding aircraft door |
| CN101723083A (en) * | 2008-10-21 | 2010-06-09 | 奥格斯塔股份公司 | Aircraft |
| CN201722856U (en) * | 2010-02-22 | 2011-01-26 | 李晓楠 | Electric flat sliding skylight |
| CN103598102A (en) * | 2013-05-31 | 2014-02-26 | 上海千牛农业机械有限公司 | Automatic adjustable translational opening livestock shed roof and livestock captive breeding ventilation lighting method thereof |
| CN104340352A (en) * | 2013-07-30 | 2015-02-11 | 空中客车西班牙运营有限责任公司 | Rear fuselage section of an aircraft |
| CN204916158U (en) * | 2015-08-13 | 2015-12-30 | 唐高升 | A novel switch for aircraft hatch door of fleing for one's life |
| CN105546914A (en) * | 2016-01-29 | 2016-05-04 | 吴瑶 | Intelligent refrigeration house |
| CN205738045U (en) * | 2016-06-23 | 2016-11-30 | 西安爱生技术集团公司 | Unmanned plane the lower flap automatic switch mechanism |
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| US5259576A (en) * | 1992-05-18 | 1993-11-09 | Howard D U | External sliding aircraft door |
| CN101723083A (en) * | 2008-10-21 | 2010-06-09 | 奥格斯塔股份公司 | Aircraft |
| CN201722856U (en) * | 2010-02-22 | 2011-01-26 | 李晓楠 | Electric flat sliding skylight |
| CN103598102A (en) * | 2013-05-31 | 2014-02-26 | 上海千牛农业机械有限公司 | Automatic adjustable translational opening livestock shed roof and livestock captive breeding ventilation lighting method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672198A (en) * | 2016-12-06 | 2017-05-17 | 中国航空工业集团公司成都飞机设计研究所 | Sliding-lifting type cabin door |
| CN106672198B (en) * | 2016-12-06 | 2019-08-20 | 中国航空工业集团公司成都飞机设计研究所 | A kind of sliding-lift hatch door |
| CN107618652A (en) * | 2017-09-11 | 2018-01-23 | 珠海天晴航空航天科技有限公司 | A kind of unmanned plane lid quick-release structure and jacking system |
| CN107618652B (en) * | 2017-09-11 | 2024-04-02 | 珠海天晴航空航天科技有限公司 | Unmanned aerial vehicle flap quick-release structure and jacking device |
| CN112550729A (en) * | 2021-02-23 | 2021-03-26 | 成都飞航智云科技有限公司 | Aircraft with pneumatic appearance is impaired later to prevent weighing down function |
| CN112550729B (en) * | 2021-02-23 | 2021-05-11 | 成都飞航智云科技有限公司 | Aircraft with pneumatic appearance is impaired later to prevent weighing down function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105947173B (en) | 2018-07-03 |
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