CN209634721U - A kind of unmanned plane - Google Patents
A kind of unmanned plane Download PDFInfo
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- CN209634721U CN209634721U CN201822129253.5U CN201822129253U CN209634721U CN 209634721 U CN209634721 U CN 209634721U CN 201822129253 U CN201822129253 U CN 201822129253U CN 209634721 U CN209634721 U CN 209634721U
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- undercarriage
- unmanned plane
- gear
- turbine
- shaft
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Abstract
The utility model relates to vehicle technology fields, provide a kind of unmanned plane, including body and landing gear, landing gear includes undercarriage and driving device, and undercarriage is connected via drive in the bottom of body, and driving device drives undercarriage rotation, undercarriage is rocked to first position to the rear of body, undercarriage is extended to the back lower place to body, realizes bionical posture, can reduce windage；Undercarriage extends to the lower section of body to the second position, undercarriage is rocked in front of body, can be used for supporting body.The utility model solves the problems, such as that landing gear drag is big when unmanned plane during flying.
Description
Technical field
The utility model relates to vehicle technology field more particularly to a kind of unmanned planes.
Background technique
Undercarriage is unmanned plane lower part for taking off landing or support unmanned plane or for ground when ground (water surface) slides
(water surface) mobile accessories apparatus.Undercarriage is a kind of unique component for supporting entire unmanned plane, thus it be in unmanned plane not
Scarce some can be divided.In the prior art, the undercarriage of unmanned plane has the multiple types such as fixed, telescopic and collapsible, if
It sets in unmanned plane lower part, in addition to fixed landing gear is not recoverable, most of undercarriages can be visual to fly after unmanned plane takes off
Row performance and it is specific need and withdraw, and these undercarriages, unless otherwise having in its all income cabin centainly to flight
Drag effects, if need to all be recovered to undercarriage in cabin, container structure is arranged in this needs in cabin, structure is complicated and
Occupy the segment space of cabin.Accordingly, it is desirable to provide landing gear drag when a kind of new technical solution is to solve unmanned plane during flying
Big problem.
Utility model content
The utility model is intended to provide a kind of unmanned plane, and landing gear drag is big when solving the problems, such as unmanned plane during flying.
The utility model solves technical solution used by above-mentioned technical problem:
A kind of unmanned plane, including body and landing gear are provided, the landing gear includes undercarriage and driving
Device, the undercarriage are connected to the bottom of the body by the driving device, risen and fallen described in the driving device driving
Frame rotation, the undercarriage are rocked to first position to the rear of the body, and the undercarriage is to the back lower place of the body
Extend；The undercarriage extends to the second position, the undercarriage is rocked in front of the body to the lower section of the body.
As an improvement of the above technical solution, including three undercarriages in triangle setting.
As a further improvement of the above technical scheme, undercarriage described in two of them is symmetricly set on the bottom of the body
The two sides of portion front-rear direction central axes, and the position to the front positioned at the middle part of the body；Remaining the one undercarriage setting
On the bottom front-rear direction central axes of the body, and the position to the rear positioned at the middle part of the body.
As a further improvement of the above technical scheme, the bottom front-rear direction of the body is symmetricly set on including four
The undercarriage of central axes two sides, undercarriage described in two of them are located at the middle part position to the front of the body；Remaining two
A undercarriage is located at the middle part position to the rear of the body.
As a further improvement of the above technical scheme, the streamlined structure of the undercarriage.
As a further improvement of the above technical scheme, the driving device includes power device and transmission device, described
Transmission device includes gear drive and turbine and worm transmission mechanism, the gear drive transmission connection power dress
Set with the worm screw in the turbine and worm transmission mechanism, the turbine in the turbine and worm transmission mechanism is for connecting undercarriage；
The power device drives the gear drive to drive the turbine and worm transmission mechanism movement, so that undercarriage be driven to revolve
Turn to realize folding and unfolding.
As a further improvement of the above technical scheme, the gear drive includes first gear and second gear,
The first gear connects the power device, and the second gear connects the worm screw, the power device driving described the
One gear drives the second gear rotation, so that the worm screw be driven to rotate.
As a further improvement of the above technical scheme, one end of the undercarriage is provided with interconnecting piece, and the turbine is same
Heart is connected with shaft, and the interconnecting piece is connect with the shaft, and the turbine rotation drives the shaft rotation, to drive
The interconnecting piece rotates synchronously.
As a further improvement of the above technical scheme, the both ends of the shaft are located at the two sides of the turbine, institute
State the both ends that interconnecting piece is separately connected the shaft.
As a further improvement of the above technical scheme, unmanned plane further include for judge the gear up and/or
Put down whether switching device in place.
The beneficial effects of the utility model are:
The utility model provides a kind of unmanned plane, including body and landing gear, and landing gear includes undercarriage
And driving device, undercarriage are connected via drive in the bottom of body, driving device drives undercarriage rotation, undercarriage to
The rear of body is rocked to first position, and undercarriage is extended to the back lower place to body, realizes bionical posture, can reduce windage；It rises
It falls frame and extends to the lower section of body to the second position, undercarriage is rocked in front of body, can be used for supporting body.This is practical new
Type solves the problems, such as that landing gear drag is big when unmanned plane during flying.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used briefly describes:
Fig. 1 is the schematic diagram that undercarriage is located at first position in unmanned plane one embodiment of the utility model；
Fig. 2 is the schematic diagram that undercarriage is located at the second position in unmanned plane one embodiment of the utility model；
Fig. 3 is the left view of embodiment illustrated in fig. 2；
Fig. 4 is the partial structure diagram of driving device one embodiment in the utility model；
Fig. 5 is a bottom view of driving device in the utility model；
Fig. 6 is the structural schematic diagram of landing gear one embodiment in the utility model；
Fig. 7 is enlarged drawing at the A in Fig. 6.
Specific embodiment
Below with reference to the technical effect of the design of 1~7 pair of the utility model of embodiment and attached drawing, specific structure and generation
It is clearly and completely described, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described implementation
Example is a part of the embodiment of the utility model, rather than whole embodiments, is based on the embodiments of the present invention, this field
Technical staff's other embodiments obtained without creative efforts, belong to the utility model protection
Range.In addition, all connection/connection relationships being related in patent, not singly refer to that component directly connects, and referring to can be according to tool
Body performance, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Involved in the utility model
The description of the orientation such as upper and lower, left and right is only for the mutual alignment relation of each component part of the utility model in attached drawing
's.Each technical characteristic in the utility model, can be with combination of interactions under the premise of not conflicting conflict.
Fig. 1 is the schematic diagram that undercarriage is located at first position in unmanned plane one embodiment of the utility model, and Fig. 2 is this
Undercarriage is located at the schematic diagram of the second position in unmanned plane one embodiment of utility model, with reference to Fig. 1,2, according to nobody
The heading of machine, the right in figure are the front of unmanned plane, and the left in figure is the rear of unmanned plane.Unmanned plane includes body
1 and landing gear 2, landing gear 1 includes undercarriage 10 and driving device 20, and undercarriage 10 is connected by driving device 20
In the bottom of body 1, driving device 20 drives undercarriage 10 to rotate, and undercarriage 10 is rocked to first position to the rear of body 1
(Fig. 1) is gear up state when undercarriage 10 is located at the position, when unmanned plane during flying, undercarriage 10 can be driven to be retracted to
The first position, at this time the extending to the back lower place to body 1 of undercarriage 10 have a bionical effect, and foot is backward when similar Bird Flight
The posture of lower section stretching, extension, facilitates stabilized flight and reduces windage.Undercarriage 10 is rocked to the second position to the front of body 1
(Fig. 2), undercarriage 10 extends to the lower section of body 1, when undercarriage 10 is located at the position, transfers state, the state for undercarriage
When, unmanned plane can be stood on ground by undercarriage 10, and unmanned plane lands and when taking off, can drive undercarriage transfer to this second
Position.
With reference to Fig. 3, in the present embodiment, unmanned plane includes three undercarriages 10 in triangle setting.Two of them undercarriage
10 are symmetricly set on the two sides of the bottom front-rear direction central axes of body 1, and the position that the middle part for being located at body 1 is to the front；Remaining
One undercarriage 10 is arranged on the bottom front-rear direction central axes of body 1, and the position that the middle part for being located at body 1 is to the rear, from
And make undercarriage 10 that can stablize the entire body of support.
Also settable four undercarriages 10 of the unmanned plane of the utility model, specifically include four and are symmetricly set on body 1
The undercarriage 10 of bottom front-rear direction central axes two sides, two of them undercarriage 10 are located at the middle part position to the front of body 1；Its
Two undercarriages 10 of remaininging are located at the middle part position to the rear of body 1, so that undercarriage 10 can stablize the entire body of support.
The streamlined structure setting of undercarriage 10, can further decrease windage.
Fig. 4 is the partial structure diagram of driving device one embodiment in the utility model, with reference to Fig. 4, driving device
20 include power device 21 and transmission device, and transmission device includes gear drive and turbine and worm transmission mechanism, in figure, tooth
Wheel drive mechanism is located in gear-box 22, and gear drive is sequentially connected in power device 21 and turbine and worm transmission mechanism
Worm screw 23, the turbine 24 in turbine and worm transmission mechanism is for connecting undercarriage 10；Power device drives gear drive band
Dynamic turbine and worm transmission mechanism movement, to drive the rotation of undercarriage 10 to realize to the driving of undercarriage 10.When undercarriage 10
When being impacted, percussion is directly acted on turbine 24, since turbine and worm transmission mechanism has self-locking function, the impact
Cannot be transmitted to gear drive by worm screw, realize the protection to gear and power device, therefore, gear drive and
Power device is not hit the influence of power, helps to reduce loss, the stability of driving device is kept, to keep undercarriage
Stablize folding and unfolding.In addition, can realize the enhancing of the increasing square and laser intensity of transmission using turbine and worm transmission mechanism.
Specifically, power device can include intermeshing first gear and for conventional motor, gear drive
Two gears, the two are located in gear-box 22, adoptable gear drive, it is not shown go out, first gear connecting power device,
Second gear connecting worm 23, power device 21 drives first gear to drive second gear rotation, so that worm screw 23 be driven to rotate.
To drive turbine 24 to rotate, turbine 24 is connect by a concentric shaft 25 with undercarriage 10 rotation of worm screw 23, and 24 turns of turbine
Dynamic that shaft 25 is driven to rotate, undercarriage 10 is rotated with the rotation of shaft 25, so as between the first position and the second position
The folding and unfolding of undercarriage 10 is realized in movement.
Shaft 25 is used for the part connecting with undercarriage 10, and outer surface is provided with platform 26, can be driven by the platform 26
Undercarriage 10 is rotated with it and is rotated, and the quantity of platform 26 is at least 1.
Driving device 20 further includes shell 27 (Fig. 1 is not shown, and can refer to Fig. 4), and power device 21 and transmission device are all provided with
It is placed in shell, shell plays protective action to power device and transmission device.Shaft 25 is stretched out outside shell, thus and undercarriage
10 connections.The both ends of shaft 25 are located at the two sides of turbine 24, and stretch out outside shell, and undercarriage 10 is connected to the two of shaft 25
End guarantees the stability of rotation.
Fig. 5 is a bottom view of driving device in the utility model, and Fig. 6 is the utility model landing gear 2 one
The structural schematic diagram of embodiment, Fig. 7 is enlarged drawing at the A in Fig. 6, and with reference to Fig. 5~7, landing gear 2 includes undercarriage
10 and above-mentioned driving device 20.One end of undercarriage 10 is provided with interconnecting piece 11, and interconnecting piece 11 is connect with driving device 20, drives
Dynamic device 20 is rotated with rotation connection 11, so that undercarriage realizes folding and unfolding.
Turbine 24 is connect by a concentric shaft 25 with interconnecting piece, and the both ends of shaft 25 are located at the two of turbine 24
Side, interconnecting piece are separately connected the both ends of shaft 25, and the rotation of turbine 24 drives shaft 25 to rotate, interconnecting piece with the rotation of shaft 25 and
Rotation.Driving device 20 further includes that 27 power device of shell and transmission device are all set in shell 27, and shell 27 fills power
It sets and plays protective action with transmission device.Undercarriage can be connect by the shell 27 with the body of unmanned plane.The both ends of shaft 25
The two sides of turbine 24 are located at, and are stretched out outside shell 27, undercarriage is connected to the both ends of shaft 25, guarantees the stabilization of rotation
Property.
In the present embodiment, interconnecting piece 11 include two disk-like structures disposed in parallel, the disk-like structure concentrically with shaft
25 connect, and may be disposed at the plane of the platform cooperation in above-mentioned shaft 25 on disk-like structure, so that shaft can be with rotation connection 11
Rotation, alternatively, interconnecting piece 11 and shaft 25 can realize transmission with the modes such as key connection are crossed.
Be provided on landing gear 2 for judge undercarriage 10 pack up and/or put down whether switching device in place, open
The control system for closing device and unmanned plane connects and transmits signal.Specifically, switching device can be used common inductor in place,
Photoelectric sensor or mechanical touching switch etc., to judge that whether in place undercarriage 10 is packed up and/or put down, so as to control system
Unmanned plane is manipulated.Multiple switch device can be set on shell 27, packing up or putting down and distinguish to undercarriage 10
Judgement, such as in Fig. 7, mechanical touching switch 30 is set, whether in place to judge gear down.
In addition, park of the undercarriage in the first position and the second position, it can be by the control system of unmanned plane to driving
The control of device is realized, such as the sensors in place connecting with control system or electric mechanical switch is arranged, and is arrived for detecting undercarriage
Position situation, and feeds back to control system, to control the start and stop of driving device according to the situation in place of undercarriage, realizes to rising and falling
The action control of frame.
It above are only the preferred embodiment of the utility model, but the utility model is not restricted to above-described embodiment, be familiar with
Those skilled in the art can also make a variety of equivalent deformation or replacement without departing from the spirit of the present invention, this
Equivalent deformation or replacement are all included in the scope defined by the claims of the present application a bit.
Claims (10)
1. a kind of unmanned plane, it is characterised in that: including body and landing gear, the landing gear includes undercarriage and drive
Dynamic device, the undercarriage are connected to the bottom of the body by the driving device, and the driving device driving is described to be risen
Fall frame rotation, the undercarriage is rocked to first position to the rear of the body, the undercarriage to the body it is rear under
Fang Yanshen；The undercarriage is to being rocked to the second position in front of the body, and the undercarriage is to prolonging below the body
It stretches.
2. unmanned plane according to claim 1, it is characterised in that: including three undercarriages in triangle setting.
3. unmanned plane according to claim 2, it is characterised in that: undercarriage described in two of them is symmetricly set on the machine
The two sides of the bottom front-rear direction central axes of body, and the position to the front positioned at the middle part of the body；It rises and falls described in remaining one
Frame is arranged on the bottom front-rear direction central axes of the body, and the position that the middle part for being located at the body is to the rear.
4. unmanned plane according to claim 1, it is characterised in that: before being symmetricly set on the bottom of the body including four
The undercarriage of rear direction central axes two sides, undercarriage described in two of them are located at the middle part position to the front of the body；
Undercarriage described in other two is located at the middle part position to the rear of the body.
5. unmanned plane according to claim 1, it is characterised in that: the streamlined structure of undercarriage.
6. unmanned plane according to claim 1, it is characterised in that: the driving device includes power device and transmission dress
It sets, the transmission device includes gear drive and turbine and worm transmission mechanism, gear drive transmission connection institute
The worm screw in power device and the turbine and worm transmission mechanism is stated, the turbine in the turbine and worm transmission mechanism is for connecting
Undercarriage；The power device drives the gear drive to drive the turbine and worm transmission mechanism movement, to drive
Undercarriage is rotated to realize folding and unfolding.
7. unmanned plane according to claim 6, it is characterised in that: the gear drive includes first gear and second
Gear, the first gear connect the power device, and the second gear connects the worm screw, and the power device drives institute
It states first gear and drives the second gear rotation, so that the worm screw be driven to rotate.
8. unmanned plane according to claim 6, it is characterised in that: one end of the undercarriage is provided with interconnecting piece, described
Turbine is concentrically connected shaft, and the interconnecting piece is connect with the shaft, and the turbine rotation drives the shaft rotation, from
And the interconnecting piece is driven to rotate synchronously.
9. unmanned plane according to claim 8, it is characterised in that: the both ends of the shaft are located at the two of the turbine
Side, the interconnecting piece are separately connected the both ends of the shaft.
10. unmanned plane described according to claim 1~any one of 9, it is characterised in that: further include for judging described rise
Fall frame pack up and/or put down whether switching device in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129253.5U CN209634721U (en) | 2018-12-18 | 2018-12-18 | A kind of unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129253.5U CN209634721U (en) | 2018-12-18 | 2018-12-18 | A kind of unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209634721U true CN209634721U (en) | 2019-11-15 |
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ID=68474910
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822129253.5U Active CN209634721U (en) | 2018-12-18 | 2018-12-18 | A kind of unmanned plane |
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| Country | Link |
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| CN (1) | CN209634721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762311A (en) * | 2020-08-06 | 2020-10-13 | 四川跃纳科技有限公司 | Unmanned aerial vehicle undercarriage jack |
-
2018
- 2018-12-18 CN CN201822129253.5U patent/CN209634721U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762311A (en) * | 2020-08-06 | 2020-10-13 | 四川跃纳科技有限公司 | Unmanned aerial vehicle undercarriage jack |
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