CN109319093A - A kind of unmanned plane - Google Patents
A kind of unmanned plane Download PDFInfo
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- CN109319093A CN109319093A CN201811310883.0A CN201811310883A CN109319093A CN 109319093 A CN109319093 A CN 109319093A CN 201811310883 A CN201811310883 A CN 201811310883A CN 109319093 A CN109319093 A CN 109319093A
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- point
- plate
- arc
- lift
- unmanned plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/12—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/24—Operating mechanisms electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface wheeled type, e.g. multi-wheeled bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface wheeled type, e.g. multi-wheeled bogies
- B64C2025/345—Multi-wheel bogies having one or more steering axes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Abstract
The invention belongs to undercarriage technical fields, more particularly to a kind of unmanned plane, it includes drone body, preceding lift, front-wheel, rear-wheel, rear lift, regulating mechanism, and wherein servo motor can make adjustment bar and U-shaped adjustable plate put down or recycle nose-gear and rear undercarriage by controlling wobble plate；Nose-gear and rear undercarriage can be pulled up recycling to a certain extent from vertical state, can thus reduce unmanned plane windage in flight course.Relative to the unmanned plane for not packing up the holder function that rises and falls, unmanned plane of the invention can be better on flight efficiency.In addition, relative to the unmanned plane for packing up the holder function that rises and falls, unmanned plane of the invention only needs a servo motor that nose-gear and rear undercarriage just can be made to move at the same time packing up for undercarriage, reduces in traditional unmanned plane with the complexity of two Serve Motor Controls.The configuration of the present invention is simple has preferable using effect.
Description
Technical field
The invention belongs to undercarriage technical field more particularly to a kind of unmanned planes.
Background technique
Fixed-wing unmanned plane has been widely used for commercial field at present, and the fixed-wing unmanned plane of commercial applications is compared
It is small in size, at low cost for the fixed-wing unmanned plane of military use.But the fixed-wing unmanned plane of commercial applications is
Save the cost, the undercarriage of the fixed-wing unmanned plane of part commercial applications cannot act freely.Cannot folding and unfolding from
Undercarriage such as is during fixed-wing unmanned plane during flying, it is easy to bigger windage is caused, to influence to a certain degree
Fixed-wing unmanned plane during flying is arrived.For having for the undercarriage for the function that acts freely, nose-gear and rear undercarriage are to lean on
Two Serve Motor Controls, and some also needs to be controlled the folding and unfolding of undercarriage with hydraulic system.Two servo motors and
The application of hydraulic system, it is at high cost and be unfavorable for promoting for the undercarriage with the function that acts freely.In order to make to be commercialized
The undercarriage with act freely function of the fixed-wing unmanned plane of purposes with lower cost, then with regard to needing to design a kind of
Need a servo motor just can be by the fixed-wing unmanned plane of three undercarriages folding and unfolding simultaneously.
The present invention design a kind of unmanned plane solve the problems, such as it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of unmanned plane, it is adopted the following technical solutions
Come what is realized.
In the description of the present invention, it should be noted that the indicating positions such as term "inner", "lower", "upper" or position are closed
System be orientation based on the figure perhaps positional relationship or the invention product using when the orientation or position usually put
Set relationship, it is only for convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed or operated with specific orientation, therefore be not considered as limiting the invention.In addition, art
Language " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
A kind of unmanned plane, it is characterised in that: it includes drone body, preceding lift, front-wheel, rear-wheel, rear alighting gear
Structure, regulating mechanism wherein have ventral face in drone body；Preceding lift is mounted on ventral face by hinged mode
Middle front position；Lift is symmetrically mounted on the middle back-end location in ventral face by hinged mode after two；Regulating mechanism
It is mounted on the middle position in ventral face, and regulating mechanism is between preceding lift and rear lift；The one of regulating mechanism
End is connected with preceding lift, and the other end is connected with lift after two respectively；Lift is remote before front-wheel is mounted on
It disembarks on one end of the outside of belly；After two rear-wheels are separately mounted to two on the one end of lift far from ventral face.
Regulating mechanism drives the swing on one side of parallelogram by parallelogram Principles of Regulation, control servo motor,
And then lift putting down or recycling after lift and two before controlling simultaneously.
For unmanned plane on the ground in taxiing procedures, regulating mechanism also has lift after the preceding lift of maintenance and two
Position limiting structure in a vertical state；After unmanned plane leaves ground, regulating mechanism will rise after preceding lift and two simultaneously
Fall mechanism pull-up.
As the further improvement of this technology, above-mentioned regulating mechanism includes servo motor, fixed plate, adjustment bar, U-shaped adjusting
Plate, the first limit plate, wobble plate, axle sleeve, drive shaft, arc panel, limited block, arc pressuring plate, arc-shaped guide rail, Rectangle guide, arc
Shape shifting block, telescopic rod, the first spring, second spring, wherein servo motor and fixed plate are fixedly mounted on ventral face；Driving
Axis is mounted in the circular hole of fixed plate by bearing, and drive shaft both ends are pierced by fixed plate；On one end periphery of drive shaft
Arc shifting block is installed, the other end is connected with the motor shaft of servo motor；Axle sleeve is installed on the driving shaft by bearing, and axis
Set be located at drive shaft far from one end of servo motor at；There is landolsring on axle sleeve, and there is arc notch on landolsring；Arc
Shifting block is pierced by arc notch and rotates in arc notch；One end of adjustment bar is fixedly installed with U-shaped adjustable plate；One end of wobble plate
It is fixedly mounted on the periphery of landolsring, the other end is mounted on the middle position of adjustment bar by hinged mode；Fixed plate
The first limit plate and Rectangle guide are fixedly installed on side at lower end far from servo motor；First limit plate and Rectangle guide
Between have spacing；Limited block is mounted in Rectangle guide by way of being slidably matched；One end of second spring is mounted on limit
On the end face of position block, the other end is mounted in fixed plate；Limited block has inclined-plane far from one end of second spring；Arc-shaped guide rail peace
On side of the fixed plate far from servo motor；Arc panel is mounted in arc-shaped guide rail by way of being slidably matched；Two
One end of telescopic rod is symmetrically mounted on the end face of arc panel, and the other end is mounted in fixed plate；Two the first spring difference
It covers on two the first telescopic rods, one end of two the first springs is mounted on the end face of fixed plate, and the other end is mounted on fixation
On plate；Arc panel far from one jiao at one end of telescopic rod have inclined-plane；One end of arc pressuring plate is fixedly mounted on arc
On the periphery of plate, the other end is fixedly mounted on limit plate；Inclined-plane and the first limit plate in wobble plate and limited block match
It closes；Arc shifting block is matched with the inclined-plane on arc panel.
One end of above-mentioned adjustment bar is connected by hinged mode with preceding lift；The both ends of U-shaped adjustable plate are logical
Hinged mode is crossed to be connected with lift after two respectively.
The point that preceding lift and ventral face are hinged is A point；The two o'clock that lift and ventral face are hinged after two
Between midpoint be B point；The point that adjustment bar and preceding lift are hinged is C point；U-shaped adjustable plate respectively with two after alighting gear
The midpoint between two o'clock that structure is hinged is D point；One parallelogram is constituted by A point, B point, C point and D point；Wobble plate and tune
The point that section item is hinged is conllinear with C point, D point respectively；The central point of axle sleeve is on the line of A point and B point.
As the further improvement of this technology, above-mentioned preceding lift include preceding fixed block, the second limit plate and before rise and fall
Frame, wherein front shoe is fixedly mounted on ventral face；Second limit plate is mounted in plate face of the front shoe far from ventral face；
One end of nose-gear is mounted in plate face of the front shoe far from ventral face by hinged mode；Nose-gear and the second limit
Position plate mutually limits cooperation.
Lift includes rear undercarriage, third limit plate and rear fixed block after above-mentioned, and wherein rear fixed plate is fixedly mounted
On ventral face；Third limit plate is mounted in plate face of the rear fixed plate far from ventral face；One end of undercarriage passes through hinged afterwards
Mode be mounted in plate face of the rear fixed plate far from ventral face；Undercarriage mutually limits cooperation with third limit plate afterwards.
The front end of above-mentioned regulating mechanism is mounted in nose-gear at upper position by hinged mode, and rear end leads to respectively
It crosses after hinged mode is mounted on two and is gone up at position in undercarriage.
As the further improvement of this technology, the one end of above-mentioned adjustment bar far from U-shaped adjustable plate is pacified by hinged mode
In nose-gear at upper position；One end of above-mentioned U-shaped adjustable plate is mounted in rear undercarriage by hinged mode
At upper position.
As the further improvement of this technology, above-mentioned front-wheel is mounted on the one end of nose-gear far from front shoe by axis
On；Above-mentioned two rear-wheel passes through after axis is separately mounted to two on the one end of undercarriage far from corresponding rear fixed plate.
As the further improvement of this technology, the center of circle locating for above-mentioned arc panel and the center of circle in drive shaft are concentric.
As the further improvement of this technology, above-mentioned first spring is compressed spring.
As the further improvement of this technology, above-mentioned second spring is compressed spring.
As the further improvement of this technology, the point that nose-gear and preceding fixed block are hinged is A1 point；It rises and falls after two
Frame respectively with two after midpoint between the two o'clock that is hinged of fixed block be B1 point；Adjustment bar is with the point that nose-gear is hinged
C1 point；U-shaped adjustable plate respectively with two after midpoint between the two o'clock that is hinged of undercarriage be D1 point；By A1 point, B1 point, C1 point
A parallelogram is constituted with D1 point；Wobble plate and the point that adjustment bar is hinged are conllinear with C1 point, D1 point respectively；In axle sleeve
Heart point is on the line of A1 point and B1 point.
As the further improvement of this technology, it is coated with lubricating oil on the inner wall of above-mentioned arc-shaped guide rail, is convenient for arc panel in this way
It is smoothly slided in arc-shaped guide rail；Lubricating oil is coated on the inner wall of above-mentioned Rectangle guide, in this way convenient for limited block in Rectangle guide
In smoothly slide.
Design for telescopic rod, telescopic rod can make arc panel smoothly slide in arc-shaped guide rail, and can also make
Obtain the first spring energy constant compression；After first spring is compressed, the first spring can make arc panel fast move reset.Second
After spring is compressed, second spring can make limited block fast move reset.
The design concentric with the center of circle in drive shaft of the center of circle locating for arc panel is, drives in arc shifting block driven shaft
Counterclockwise during rotation, behind the inclined-plane that arc shifting block has just squeezed arc panel, as drive shaft continues that arc is driven to dial
In block is counterclockwise rotary course, the center of circle as locating for arc panel and the center of circle in drive shaft are concentric, so arc shifting block can be held
It is continuous that arc panel is pressed in arc-shaped guide rail.
The design of arc pressuring plate is, arc pressuring plate can make arc panel and limited block synchronizing moving.Separately
Outside, when arc panel and limited block are not pressed down, there are spacing between arc pressuring plate and the port of arc-shaped guide rail, arc connects
There are spacing between fishplate bar and the port of Rectangle guide, this ensures that arc connects when arc panel or limited block are pressed down
Fishplate bar has the space moved down.
Two sides on setting landolsring at arc notch are positive respectively dials face and backwash face, wherein just dialling face against pendulum
Plate, backwash face is far from wobble plate.Wobble plate on limited block inclined-plane and the first limit plate match, on arc shifting block and arc panel
The design that matches of inclined-plane be: first, in the gap that wobble plate is not between the first limit plate and limited block, and wobble plate
When not generating extrusion fit with the inclined-plane on limited block, arc shifting block presses one end end face of the arc panel far from telescopic rod, the
One spring and telescopic rod are compressed, and arc panel is moved down a distance to the direction of telescopic rod at this time, and arc panel is connected through arc
Plate makes limited block also move down a distance to second spring direction, and second spring is in confined state.Second, when arc is dialled
Block, which is stirred, just dials face, so that landolsring drives wobble plate into the direction swing process of the first limit plate, arc shifting block be will be disengaged from pair
The pushing of arc panel；After arc shifting block is completely disengaged to the pushing of arc panel, the position of wobble plate is in arc panel and limit at this time
Between the block of position；After arc panel is no longer influenced by pushing, under the reset response of the first spring, arc panel fast moves reset, arc
Shape plate drives limited block is mobile to reset through arc pressuring plate, and second spring is no longer compressed；As wobble plate continues to the first limit
The direction of plate is swung, and wobble plate squeezes the inclined-plane of limited block, and limited block moves down a distance, second spring to the direction of second spring
It is compressed, wobble plate is enabled to cross limited block；After wobble plate goes just past limited block, reset response of the limited block in second spring
Under fast move reset, wobble plate is blocked by the first limit plate, wobble plate cannot be further continued for along former swaying direction swing；Wobble plate at this time
It is placed exactly between the first limit plate and limited block, wobble plate is firmly limited.Third, when wobble plate is needed from the first limit plate and limit
Between the block of position when middle disengaging, arc shifting block rotates counterclockwise, and arc shifting block is swung in arc notch, and in arc shifting block and instead
Before cooperation is mutually stirred in the face of dialling, arc shifting block has squeezed the inclined-plane of arc panel, and it is separate to press against arc panel under arc shifting block
One end end face of telescopic rod, arc shifting block maintain the pushing to arc panel, arc panel to the direction of telescopic rod move down one section away from
From the first spring is compressed, and arc panel drives limited block to be pressed down through arc pressuring plate, and second spring is compressed, and is limited in this way
Block no longer will generate limit to wobble plate；As arc shifting block stirs backwash face, then arc shifting block drives landolsring to revolve counterclockwise
Turn, landolsring drives wobble plate counter-clockwise swing, and then wobble plate smoothly can counterclockwise swing and cross limited block；It is dialled in arc
During block stirs backwash face, arc shifting block maintains the pushing to arc panel always.
The point that nose-gear and preceding fixed block are hinged is A1 point；After two undercarriage respectively with two after fixed block mutually cut with scissors
The midpoint between two o'clock connect is B1 point；The point that adjustment bar and nose-gear are hinged is C1 point；U-shaped adjustable plate respectively with two
The midpoint between two o'clock that undercarriage is hinged afterwards is D1 point；One parallel four side is constituted by A1 point, B1 point, C1 point and D1 point
Shape；So just be able to achieve in this way the present invention using parallelogram Principles of Regulation come to nose-gear and rear undercarriage put down or
Recycle function；Wobble plate and the point that adjustment bar is hinged are conllinear with C1 point, D1 point respectively, then the swing of wobble plate just can make in parallel
The swing on one side of quadrangle；The central point of axle sleeve is on the line of A1 point and B1 point, then ensure that by A1 point, B1 point, C1
Point and D1 point constitute a parallelogram and play adjustment effect.
The design that nose-gear is matched with the second limit plate is: first, when nose-gear is not in vertical state,
Second limit plate does not generate limit with nose-gear and contacts；Second, when nose-gear is in a vertical state, the second limit plate with
Nose-gear generates limit contact, and the second limit plate makes nose-gear maintain vertical state.
The design that undercarriage is matched with third limit plate afterwards is: first, when rear undercarriage is not in vertical state,
Third limit plate does not generate limit with rear undercarriage and contacts；Second, when rear undercarriage is in a vertical state, third limit plate with
Undercarriage generates limit contact afterwards, and third limit plate makes rear undercarriage maintain vertical state.
Relative to the undercarriage of traditional fixed-wing unmanned plane, it is of the invention pack up undercarriage the utility model has the advantages that
1, structure is simple, puts down or packs up while lift after preceding lift and two and only needs a servo electricity
Machine is just able to achieve, and reduces the use of servo motor number, has the function that save servo motor, and then reduce the system of unmanned plane
Cause this.
2, the design that wobble plate is firmly limited by the first limit plate and limited block can make to pass to wobble plate impact force and reduce to be permitted
It is more, and then the impact force for passing to servo motor again can be less, protects servo motor, reduces the maintenance of unmanned plane of the invention
Cost.
3, an adjustment bar is put down or packed up while lift after preceding lift and two and U-shaped adjustable plate just can be real
It is existing, it is compared to traditional unmanned plane and puts down or pack up while controlling three undercarriages with hydraulic system, structure of the invention is few
And it is simple, to can also achieve the purpose that the manufacturing cost for reducing unmanned plane.
Detailed description of the invention
Fig. 1 is unmanned plane overall schematic.
Fig. 2 is servo motor and fixed plate scheme of installation.
Fig. 3 is preceding lift to be connected with regulating mechanism schematic diagram respectively with rear lift.
Fig. 4 is regulating mechanism overall schematic.
Fig. 5 is wobble plate scheme of installation.
Fig. 6 is institute's mounting structure schematic diagram in fixed plate.
Fig. 7 is arc-shaped guide rail and Rectangle guide scheme of installation.
Fig. 8 is arc pressuring plate scheme of installation.
Fig. 9 is the diagrammatic cross-section that arc panel is installed on arc-shaped guide rail by way of being slidably matched.
Figure 10 is the diagrammatic cross-section that limited block is installed on Rectangle guide by way of being slidably matched.
Figure 11 is the schematic diagram that wobble plate is installed on landolsring.
Figure 12 is the schematic diagram that arc shifting block is located in the arc notch of landolsring.
Figure 13 is the schematic elevation view of Fig. 6.
Figure 14 is preceding lift overall schematic.
Figure 15 is the schematic section elevation of Figure 14.
Figure 16 is rear lift overall schematic.
Figure label title: 1, drone body；2, ventral face；3, preceding lift；4, front-wheel；5, rear-wheel；6, rear to rise
Fall mechanism；7, regulating mechanism；9, servo motor；10, fixed plate；12, adjustment bar；13, U-shaped adjustable plate；14, the first limit plate；
15, wobble plate；16, axle sleeve；17, landolsring；18, arc notch；19, drive shaft；20, arc panel；21, limited block；22, arc connects
Fishplate bar；23, arc-shaped guide rail；24, Rectangle guide；25, arc shifting block；26, inclined-plane；27, telescopic rod；28, the first spring；29,
Two springs；33, preceding fixed block；34, the second limit plate；35, nose-gear；37, rear undercarriage；38, third limit plate；39, after
Fixed block；40, face is just dialled；41, backwash face.
Specific embodiment
As shown in Figure 1, it includes drone body 1, preceding lift 3, front-wheel 4, rear-wheel 5, rear lift 6, adjusts
Mechanism 7 wherein has ventral face 2 as shown in Figure 1, 2 in drone body 1；As shown in Figure 1, preceding lift 3 passes through hingedly
Mode be mounted on the middle front position in ventral face 2；Lift 6 is symmetrically mounted on ventral face by hinged mode after two
2 middle back-end location；Regulating mechanism 7 is mounted on the middle position in ventral face 2, and regulating mechanism 7 is located at preceding lift 3 with after
Between lift 6；One end of regulating mechanism 7 is connected with preceding lift 3, the other end respectively with two after lift 6
It is connected；Before front-wheel 4 is mounted on the one end of lift 3 far from ventral face 2；Two rear-wheels 5 rise after being separately mounted to two
It falls on the one end of mechanism 6 far from ventral face 2.
Regulating mechanism 7 drives the pendulum on one side of parallelogram by parallelogram Principles of Regulation, control servo motor 9
It is dynamic, and then lift 6 putting down or recycling after lift 3 and two before controlling simultaneously.
For unmanned plane on the ground in taxiing procedures, regulating mechanism 7 also has alighting gear after the preceding lift 3 of maintenance and two
The position limiting structure in a vertical state of structure 6；After unmanned plane leaves ground, regulating mechanism 7 is simultaneously by preceding lift 3 and two
6 pull-up of lift afterwards.
As shown in Fig. 4,5,13, above-mentioned regulating mechanism 7 includes servo motor 9, fixed plate 10, adjustment bar 12, U-shaped adjustable plate
13, the first limit plate 14, wobble plate 15, axle sleeve 16, drive shaft 19, arc panel 20, limited block 21, arc pressuring plate 22, arc are led
Rail 23, Rectangle guide 24, arc shifting block 25, telescopic rod 27, the first spring 28, second spring 29, as shown in Fig. 2, wherein servo
Motor 9 and fixed plate 10 are fixedly mounted on ventral face 2；As shown in fig. 6, drive shaft 19 is mounted on fixed plate 10 by bearing
Circular hole in, and 19 both ends of drive shaft are pierced by fixed plate 10；Arc shifting block 25 is installed on one end periphery of drive shaft 19,
The other end is connected with the motor shaft of servo motor 9；As shown in figure 12, axle sleeve 16 is mounted in drive shaft 19 by bearing, and
Axle sleeve 16 is located at the one end of drive shaft 19 far from servo motor 9；As shown in Figure 11,12, there is landolsring 17 on axle sleeve 16, and
There is arc notch 18 on landolsring 17；Arc shifting block 25 is pierced by arc notch 18 and rotates in arc notch 18；Such as Fig. 4 institute
Show, one end of adjustment bar 12 is fixedly installed with U-shaped adjustable plate 13；As shown in Fig. 5,12, one end of wobble plate 15 is fixedly mounted on scarce
On the periphery of choma 17, the other end is mounted on the middle position of adjustment bar 12 by hinged mode；As shown in Figure 6,7, Gu
The first limit plate 14 and Rectangle guide 24 are fixedly installed at 10 lower end of fixed board on side far from servo motor 9；First limit
There is spacing between plate 14 and Rectangle guide 24；As shown in Fig. 8,10, limited block 21 is mounted on square by way of being slidably matched
In type guide rail 24；One end of second spring 29 is mounted on the end face of limited block 21, and the other end is mounted in fixed plate 10；Limit
Block 21 has inclined-plane 26 far from one end of second spring 29；As shown in Figure 8,9, arc-shaped guide rail 23 is mounted on fixed plate 10 far from watching
On the side for taking motor 9；Arc panel 20 is mounted in arc-shaped guide rail 23 by way of being slidably matched；The one of two telescopic rods 27
End is symmetrically mounted on the end face of arc panel 20, and the other end is mounted in fixed plate 10；Two the first springs 28 are respectively fitted over
On two the first telescopic rods 27, one end of two the first springs 28 is mounted on the end face of fixed plate 10, and the other end is mounted on solid
On fixed board 10；There is inclined-plane 26, arc panel 20 has inclined-plane 26 at one jiao at the one end of arc panel 20 far from telescopic rod 27
One jiao close to limited block 21；One end of arc pressuring plate 22 is fixedly mounted on the periphery of arc panel 20, the fixed peace of the other end
On limit plate；As shown in figure 13, wobble plate 15 on limited block 21 inclined-plane 26 and the first limit plate 14 match；Arc
Shifting block 25 is matched with the inclined-plane 26 on arc panel 20.
As shown in Figure 1,3, one end of above-mentioned adjustment bar 12 is connected by hinged mode with preceding lift 3；U-shaped tune
The both ends of section plate 13 are connected with lift 6 after two by hinged mode respectively.
As shown in Figure 1,3, preceding lift 3 and the point that ventral face 2 is hinged are A point；Lift 6 and ventral after two
The midpoint between two o'clock that face 2 is hinged is B point；The point that adjustment bar 12 and preceding lift 3 are hinged is C point；U-shaped adjustable plate
13 respectively with two after midpoint between the two o'clock that is hinged of lift 6 be D point；One is constituted by A point, B point, C point and D point
A parallelogram；Wobble plate 15 and the point that adjustment bar 12 is hinged are conllinear with C point, D point respectively；The central point of axle sleeve 16 is in A point
On the line of B point.
As shown in figure 14, above-mentioned preceding lift 3 includes preceding fixed block 33, the second limit plate 34 and nose-gear 35, such as
Shown in Fig. 2, wherein front shoe 10 is fixedly mounted on ventral face 2；As shown in Figure 14,15, before the second limit plate 34 is mounted on
In plate face of the fixed plate 10 far from ventral face 2；One end of nose-gear 35 is mounted on front shoe 10 far by hinged mode
It disembarks in the plate face of the outside of belly 2；As shown in figure 15, nose-gear 35 limits with 34 phase of the second limit plate and cooperates.
As shown in figure 16, above-mentioned rear lift 6 includes rear undercarriage 37, third limit plate 38 and rear fixed block 39, such as
Shown in Fig. 2, wherein rear fixed plate 10 is fixedly mounted on ventral face 2；As shown in figure 16, it is fixed after third limit plate 38 is mounted on
In plate face of the plate 10 far from ventral face 2；One end of undercarriage 37 is mounted on rear fixed plate 10 far from machine by hinged mode afterwards
In the plate face of the outside of belly 2；Undercarriage 37 limits with 38 phase of third limit plate and cooperates afterwards.
As shown in figure 3, the front end of above-mentioned regulating mechanism 7 is mounted in nose-gear 35 upper position by hinged mode
Place, after rear end is mounted on two by hinged mode respectively in undercarriage 37 at upper position.
As shown in Fig. 3,14, before above-mentioned adjustment bar 12 is mounted on far from one end of U-shaped adjustable plate 13 by hinged mode
In undercarriage 35 at upper position；As shown in Fig. 3,16, after one end of above-mentioned U-shaped adjustable plate 13 is mounted on by hinged mode
In undercarriage 37 at upper position.
As shown in Figure 1, above-mentioned front-wheel 4 is mounted on the one end of nose-gear 35 far from front shoe 10 by axis；Such as figure
Shown in 16, the one end of undercarriage 37 far from corresponding rear fixed plate 10 after above-mentioned two rear-wheel 5 is separately mounted to two by axis
On.
As shown in fig. 7, the center of circle locating for above-mentioned arc panel 20 and the center of circle in drive shaft 19 are concentric.
Above-mentioned first spring 28 is compressed spring.
Above-mentioned second spring 29 is compressed spring.
As shown in figure 3, the point that nose-gear 35 and preceding fixed block 33 are hinged is A1 point；After two undercarriage 37 respectively with
The midpoint between two o'clock that fixed block 39 is hinged after two is B1 point；The point that adjustment bar 12 and nose-gear 35 are hinged is C1
Point；U-shaped adjustable plate 13 respectively with two after midpoint between the two o'clock that is hinged of undercarriage 37 be D1 point；By A1 point, B1 point, C1
Point and D1 point constitute a parallelogram；Wobble plate 15 and the point that adjustment bar 12 is hinged are conllinear with C1 point, D1 point respectively；Axis
The central point of set 16 is on the line of A1 point and B1 point.
It is coated with lubricating oil on the inner wall of above-mentioned arc-shaped guide rail 23, is smoothly slided in arc-shaped guide rail 23 convenient for arc panel 20 in this way
It is dynamic；It is coated with lubricating oil on the inner wall of above-mentioned Rectangle guide 24, is smoothly slided in Rectangle guide 24 convenient for limited block 21 in this way.
As shown in Figure 11,13, the two sides on ring at arc notch 18 are positive respectively dials face 40 and backwash face 41, wherein just
It dials face 40 and abuts wobble plate 15, backwash face 41 is far from wobble plate 15.
Workflow of the invention: it when unmanned plane of the invention is during flight, is risen after nose-gear 35 and two
It falls frame 37 and is in the state being stowed away；Wobble plate 15 is not in the gap between the first limit plate 14 and limited block 21 at this time,
And wobble plate 15 does not generate extrusion fit with the inclined-plane 26 on limited block 21, arc shifting block 25 presses arc panel 20 far from telescopic rod
27 one end end face, the first spring 28 and telescopic rod 27 are compressed, and arc panel 20 is moved down one to the direction of telescopic rod 27 at this time
Section distance, arc panel 20 make limited block 21 also move down a distance to 29 direction of second spring through arc pressuring plate 22, and second
Spring 29 is in confined state；Arc shifting block 25 is stirred with 41 phase of backwash face at arc notch 18 on landolsring 17 and is contacted.
When unmanned plane of the invention needs to land on the ground, unmanned plane needs in the sky in advance by 35 He of nose-gear
Undercarriage 37 is put down after two, and undercarriage 37 will maintain vertical state after nose-gear 35 and two, guarantees front-wheel 4 with after
Wheel is 5 in ground face contact slides, and undercarriage 37 can play good supporting role to unmanned plane after nose-gear 35 and two.
Undercarriage 37 is lowered into the process of vertical state after nose-gear 35 and two: servo motor 9, which receives, to be put down
Start after the signal of undercarriage 37 after nose-gear 35 and two, as shown in figure 13, motor shaft drives arc to dial through drive shaft 19
Block 25 rotates clockwise, and arc shifting block 25 is swung to the direction for just dialling face 40.It is stirred when arc shifting block 25 and just dials face 40, so that lacking
Choma 17 drives wobble plate 15 into the direction swing process of the first limit plate 14, and arc shifting block 25 will be disengaged under arc panel 20
Pressure；After arc shifting block 25 completely disengages the pushing to arc panel 20, the position of wobble plate 15 is in arc panel 20 and limit at this time
Between block 21；After arc panel 20 is no longer influenced by pushing, under the reset response of the first spring 28, arc panel 20 fast moves multiple
Position, arc panel 20 drive limited block 21 is mobile to reset through arc pressuring plate 22, and second spring 29 is no longer compressed；With wobble plate 15
Continue to swing to the direction of the first limit plate 14, wobble plate 15 squeezes the inclined-plane 26 of limited block 21, and limited block 21 is to second spring 29
Direction move down a distance, second spring 29 is compressed, so that wobble plate 15 can cross limited block 21；Wobble plate 15 just
After crossing limited block 21, limited block 21 fast moves reset under the reset response of second spring 29, and wobble plate 15 is by the first limit
Plate 14 is blocked, and wobble plate 15 cannot be further continued for swinging along former swaying direction；At this time wobble plate 15 be placed exactly in the first limit plate 14 with
Between limited block 21, wobble plate 15 is firmly limited.
During in the gap that wobble plate 15 swings between the first limit plate 14 and limited block 21, wobble plate 15, which drives, to be adjusted
It is mobile to the direction far from U-shaped adjustable plate 13 to save item 12, U-shaped adjustable plate 13 follows adjustment bar 12 to move, before adjustment bar 12 makes
Undercarriage 35 is put down, and undercarriage 37 is put down after U-shaped adjustable plate 13 makes two.When wobble plate 15 be placed exactly in the first limit plate 14 with
When between limited block 21, wobble plate 15 cannot be further continued for swinging, and nose-gear 35 is exactly in vertical state, the second limit plate at this time
34, which generate limit with nose-gear 35, contacts, and the second limit plate 34 makes nose-gear 35 maintain vertical state；Undercarriage afterwards
37 when being exactly in vertical state, and third limit plate 38 generates limit with rear undercarriage 37 and contacts, after third limit plate 38 makes
Undercarriage 37 maintains vertical state.
When unmanned plane lands on the ground and slides on the ground, when front-wheel 4 and rear-wheel 5 and ground generate collision,
The impact force of unmanned plane landing on the ground can make nose-gear 35 and rear undercarriage 37 have the tendency that putting backward, and wobble plate 15
It is firmly limited in the first limit plate 14 with limited block 21, then adjustment bar 12 and U-shaped adjustable plate 13 would not be swung, Jin Erbao
Card nose-gear 35 and rear undercarriage 37 can maintain vertical state well, ensure that the smooth landing of unmanned plane.Wobble plate 15
It is firmly limited by the first limit plate 14 with limited block 21, can make to pass to 15 impact force of wobble plate reduction many, and then transmit again
Can be less to the impact force of servo motor 9, indirectly protect servo motor 9.
It is compared to the design that wobble plate 15 is not limited firmly by the first limit plate 14 with limited block 21, then in unmanned plane
When landing, in order to guarantee that nose-gear 35 and rear undercarriage 37 can maintain vertical state well, then wobble plate 15 is firmly
Limit can only just be controlled by servo motor 9, and servo motor 9 is easy the destruction by great impact power in this way；In addition it watches
Motor 9 is taken in order to maintain wobble plate 15 to be in the state of limit, mechanical structure is also easy to be damaged in servo motor 9.So pendulum
Plate 15 is completely necessary with the design that limited block 21 firmly limits by the first limit plate 14, and can also play protection servo motor
9 effect reduces the maintenance cost of unmanned plane of the invention.
For unmanned plane of the invention packing up to nose-gear 35 and rear undercarriage 37 after take off: servo motor 9 connects
Start after receiving the signal of recycling nose-gear 35 and rear undercarriage 37, servo motor 9 drives motor shaft reversion, and motor shaft drives
Axis rotates counterclockwise, and drive shaft 19 drives arc shifting block 25 to rotate counterclockwise, and arc shifting block 25 is counterclockwise in arc notch 18
It swings；Before arc shifting block 25 stirs cooperation with 41 phase of backwash face, arc shifting block 25 can squeeze the inclined-plane 26 of arc panel 20；
After arc shifting block 25 has squeezed the inclined-plane 26 of arc panel 20, arc panel 20 is being pressed against under arc shifting block 25 far from telescopic rod 27
One end end face, arc shifting block 25 maintains the pushing to arc panel 20, and arc panel 20 moves down one section to the direction of telescopic rod 27
Distance, the first spring 28 are compressed, and arc panel 20 drives limited block 21 to be pressed down through arc pressuring plate 22, and second spring 29 is pressed
Contracting, such limited block 21 no longer will generate limit to wobble plate 15；As arc shifting block 25 stirs backwash face 41, then arc shifting block
25 drive landolsring 17 to rotate counterclockwise, and landolsring 17 drives 15 counter-clockwise swing of wobble plate, and then wobble plate 15 can smoothly counterclockwise
Direction swings and crosses limited block 21；During arc shifting block 25 stirs backwash face 41, arc shifting block 25 maintains always
Pushing to arc panel 20.It is detached from wobble plate 15 from the gap between the first limit plate 14 and limited block 21 and continues pendulum counterclockwise
In dynamic process, wobble plate 15 drives adjustment bar 12 mobile to the direction of U-shaped adjustable plate 13, and U-shaped adjustable plate 13 follows adjustment bar 12
Movement, adjustment bar 12 recycle nose-gear 35, and undercarriage 37 recycles after U-shaped adjustable plate 13 makes two.
In conclusion main beneficial effect of the invention is: nose-gear of the invention and rear undercarriage can be from vertical shapes
State is pulled up recycling to a certain extent, thus the front-wheel on preceding frame, the rear-wheel on rear undercarriage can be also pulled up accordingly
To a certain extent, unmanned plane windage in flight course can thus be reduced.Relative to do not pack up the holder function that rises and falls nobody
Machine, unmanned plane of the invention can be better on flight efficiency.In addition, relative to having the unmanned plane for packing up the holder function that rises and falls,
Unmanned plane of the invention only needs a servo motor just can make nose-gear and rear undercarriage simultaneously packing up for undercarriage
Movement, reduces in traditional unmanned plane with the complexity of two Serve Motor Controls.Nose-gear and rear undercarriage of the invention
Pack up the hydraulic system that do not use in traditional unmanned plane, enormously simplify structure, but also manufacturing cost reduce.The present invention
Structure is simple, has preferable using effect.
Claims (10)
1. a kind of unmanned plane, it is characterised in that: it include drone body, preceding lift, front-wheel, rear-wheel, rear lift,
Regulating mechanism wherein has ventral face in drone body；Preceding lift is mounted in ventral face by hinged mode
Front position；Lift is symmetrically mounted on the middle back-end location in ventral face by hinged mode after two；Regulating mechanism peace
Mounted in the middle position in ventral face, and regulating mechanism is between preceding lift and rear lift；One end of regulating mechanism
It is connected with preceding lift, the other end is connected with lift after two respectively；Lift is separate before front-wheel is mounted on
On the one end in ventral face；After two rear-wheels are separately mounted to two on the one end of lift far from ventral face；
Regulating mechanism drives the swing on one side of parallelogram by parallelogram Principles of Regulation, control servo motor, in turn
Lift putting down or recycling after lift and two before controlling simultaneously；
On the ground in taxiing procedures, also there is regulating mechanism unmanned plane lift after the preceding lift of maintenance and two to be in
The position limiting structure of vertical state；After unmanned plane leaves ground, regulating mechanism is simultaneously by alighting gear after preceding lift and two
Structure pull-up.
2. a kind of unmanned plane according to claim 1, it is characterised in that: above-mentioned regulating mechanism includes servo motor, fixation
Plate, adjustment bar, U-shaped adjustable plate, the first limit plate, wobble plate, axle sleeve, drive shaft, arc panel, limited block, arc pressuring plate, arc
Guide rail, Rectangle guide, arc shifting block, telescopic rod, the first spring, second spring, wherein servo motor and fixed plate fix peace
On ventral face；Drive shaft is mounted in the circular hole of fixed plate by bearing, and drive shaft both ends are pierced by fixed plate；Driving
Arc shifting block is installed, the other end is connected with the motor shaft of servo motor on one end periphery of axis；Axle sleeve is pacified by bearing
Dress on the driving shaft, and axle sleeve be located at drive shaft far from one end of servo motor at；There is landolsring, and on landolsring on axle sleeve
With arc notch；Arc shifting block is pierced by arc notch and rotates in arc notch；One end of adjustment bar is fixedly installed with U-shaped
Adjustable plate；One end of wobble plate is fixedly mounted on the periphery of landolsring, and the other end is mounted on adjustment bar by hinged mode
Middle position；The first limit plate and Rectangle guide are fixedly installed on side at fixed plate lower end far from servo motor；The
There is spacing between one limit plate and Rectangle guide；Limited block is mounted in Rectangle guide by way of being slidably matched；Second
One end of spring is mounted on the end face of limited block, and the other end is mounted in fixed plate；The one end of limited block far from second spring
With inclined-plane；Arc-shaped guide rail is mounted on fixed plate far from the side of servo motor；Arc panel is pacified by way of being slidably matched
In arc-shaped guide rail；One end of two telescopic rods is symmetrically mounted on the end face of arc panel, and the other end is mounted on fixed plate
On；Two the first springs are respectively fitted on two the first telescopic rods, and one end of two the first springs is mounted on the end face of fixed plate
On, the other end is mounted in fixed plate；Far from having inclined-plane at one jiao at one end of telescopic rod, arc panel has oblique arc panel
One jiao of face is close to limited block；One end of arc pressuring plate is fixedly mounted on the periphery of arc panel, and the other end is fixedly mounted
On limit plate；Wobble plate on limited block inclined-plane and the first limit plate match；Inclined-plane on arc shifting block and arc panel
It matches；
One end of above-mentioned adjustment bar is connected by hinged mode with preceding lift；The both ends of U-shaped adjustable plate pass through hinge
The mode connect is connected with lift after two respectively；
The point that preceding lift and ventral face are hinged is A point；Between the two o'clock that lift and ventral face are hinged after two
Midpoint be B point；The point that adjustment bar and preceding lift are hinged is C point；U-shaped adjustable plate respectively with two after lift phase
Midpoint between hinged two o'clock is D point；One parallelogram is constituted by A point, B point, C point and D point；Wobble plate and adjustment bar
The point being hinged is conllinear with C point, D point respectively；The central point of axle sleeve is on the line of A point and B point.
3. a kind of unmanned plane according to claim 1, it is characterised in that: above-mentioned preceding lift includes preceding fixed block,
Two limit plates and nose-gear, wherein front shoe is fixedly mounted on ventral face；It is remote that second limit plate is mounted on front shoe
It disembarks in the plate face of the outside of belly；One end of nose-gear is mounted on plate face of the front shoe far from ventral face by hinged mode
On；Nose-gear mutually limits cooperation with the second limit plate；
Lift includes rear undercarriage, third limit plate and rear fixed block after above-mentioned, and wherein rear fixed plate is fixedly mounted on machine
On the outside of belly；Third limit plate is mounted in plate face of the rear fixed plate far from ventral face；One end of undercarriage passes through hinged side afterwards
Formula is mounted in plate face of the rear fixed plate far from ventral face；Undercarriage mutually limits cooperation with third limit plate afterwards；
The front end of above-mentioned regulating mechanism is mounted in nose-gear at upper position by hinged mode, and rear end passes through hinge respectively
After the mode connect is mounted on two in undercarriage at upper position.
4. a kind of unmanned plane according to claim 2 or 3, it is characterised in that: above-mentioned adjustment bar far from U-shaped adjustable plate one
End is mounted in nose-gear at upper position by hinged mode；One end of above-mentioned U-shaped adjustable plate passes through hinged mode
It is mounted in rear undercarriage at upper position.
5. a kind of unmanned plane according to claim 3, it is characterised in that: it is remote that above-mentioned front-wheel by axis is mounted on nose-gear
From on one end of front shoe；Above-mentioned two rear-wheel passes through after axis is separately mounted to two undercarriage far from corresponding rear fixed plate
One end on.
6. a kind of unmanned plane according to claim 2, it is characterised in that: on the center of circle and drive shaft locating for above-mentioned arc panel
The center of circle it is concentric.
7. a kind of unmanned plane according to claim 2, it is characterised in that: above-mentioned first spring is compressed spring.
8. a kind of unmanned plane according to claim 2, it is characterised in that: above-mentioned second spring is compressed spring.
9. a kind of unmanned plane according to claim 2 or 3, it is characterised in that: what nose-gear was hinged with preceding fixed block
Point is A1 point；After two undercarriage respectively with two after midpoint between the two o'clock that is hinged of fixed block be B1 point；Adjustment bar with
The point that nose-gear is hinged is C1 point；U-shaped adjustable plate respectively with two after midpoint between the two o'clock that is hinged of undercarriage be
D1 point；One parallelogram is constituted by A1 point, B1 point, C1 point and D1 point；The point that wobble plate and adjustment bar are hinged respectively with
C1 point, D1 point are conllinear；The central point of axle sleeve is on the line of A1 point and B1 point.
10. a kind of unmanned plane according to claim 2, it is characterised in that: be coated with lubrication on the inner wall of above-mentioned arc-shaped guide rail
Oil；Lubricating oil is coated on the inner wall of above-mentioned Rectangle guide.
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| CN201811310883.0A CN109319093B (en) | 2018-11-06 | 2018-11-06 | Unmanned aerial vehicle |
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| CN201811310883.0A CN109319093B (en) | 2018-11-06 | 2018-11-06 | Unmanned aerial vehicle |
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| CN110550191A (en) * | 2019-08-16 | 2019-12-10 | 西安飞机工业（集团）有限责任公司 | Aircraft landing gear position indicating mechanism and indicating method |
| CN110877716A (en) * | 2019-12-06 | 2020-03-13 | 湖南浩天翼航空技术有限公司 | Elastic support undercarriage based on rack transmission for fixed wing type unmanned aerial vehicle |
| US20230242246A1 (en) * | 2016-06-30 | 2023-08-03 | Blended Wing Aircraft, Inc | Tilting landing gear systems and methods |
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| CN109319093B (en) | 2021-08-20 |
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