CN105882944A - Unmanned aerial vehicle undercarriage with double damping function - Google Patents
Unmanned aerial vehicle undercarriage with double damping function Download PDFInfo
- Publication number
- CN105882944A CN105882944A CN201610338972.0A CN201610338972A CN105882944A CN 105882944 A CN105882944 A CN 105882944A CN 201610338972 A CN201610338972 A CN 201610338972A CN 105882944 A CN105882944 A CN 105882944A
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- damping
- undercarriage
- inflator
- unmanned plane
- delta parallel
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- 238000013016 damping Methods 0.000 title claims abstract description 56
- 230000009975 flexible effect Effects 0.000 claims abstract description 24
- 230000035939 shock Effects 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000013519 translation Methods 0.000 description 4
- 230000014616 translation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
-
- 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
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to an unmanned aerial vehicle undercarriage with a double damping function. The unmanned aerial vehicle undercarriage comprises a delta parallel mechanism, a battery box and a damping undercarriage, wherein the battery box is located at the middle of the delta parallel mechanism; the damping undercarriage is located under the delta parallel mechanism; the damping undercarriage is fixedly connected with the delta parallel mechanism. The unmanned aerial vehicle undercarriage has a double damping effect; the damping effect is obvious and effective; the vibration generated between the ground and the unmanned aerial vehicle while landing is reduced; the damage to the body of the unmanned aerial vehicle when the unmanned aerial vehicle lands is reduced; the delta parallel mechanism which has the advantages of compact and flexible structure, high moving stability and excellent damping property is adopted, so that the vibration generated between the ground and the unmanned aerial vehicle while landing is reduced, the displacement caused by recoil force when the unmanned aerial vehicle is in contact with the ground is made up and the safety and the stability when the unmanned aerial vehicle lands are promoted.
Description
Technical field
The present invention relates to unmanned plane field, a kind of unmanned plane undercarriage with dual shock absorption function.
Background technology
Aircraft be by the mankind manufacture, can fly away from ground, space flight and by people control in endoatmosphere or exoatmosphere
The apparatus flying object flown in space (space), aircraft is divided into airborne vehicle, spacecraft, rocket, guided missile and guided weapon；Nothing
Man-machine is also the one of aircraft, and unmanned plane is utilize that radio robot and the presetting apparatus provided for oneself handle the most manned
Aircraft, can be divided into depopulated helicopter, unmanned fixed-wing aircraft, unmanned multi-rotor aerocraft, unmanned airship from technical standpoint definition
With unmanned parasol etc.；Can be divided into military and civilian by application, military aspect unmanned plane is divided into reconnaissance plane and target drone；At present,
Unmanned plane can be widely applied to country's ecological environmental protection, aeroplane photography, mapping, mineral resources exploration, the condition of a disaster supervision, traffic
Patrol, power-line patrolling, security monitoring, emergent mitigation, emergency command, rain making, national defense safety, land resources exploration,
Town planning, seismic survey, environmental monitoring, forest fire protection, Crop Estimation, protection zone wild animal monitoring, air sampling,
Maritime affairs scout, border make an inspection tour, the prohibition of drug scouting, fire inspection, ecological environmental protection, marine environmental monitoring, land use survey,
Water resources development, crop growth monitoring and the yield by estimation, agricultural operation, Natural calamity monitoring and assessment, urban planning and municipal administration pipe
The fields such as the protection of reason, forest disease and pest and monitoring, digital city.
Unmanned plane have relatively strong, the motion less than normal, popular of compact conformation, build flexibly and the advantage such as flight stability by extensively the people
With with military in, and the most popular；But aircraft is also faced with damping and this two large problems of continuing a journey at present, and continuation of the journey is certainly
Determine time and the stability of aircraft flight, damping the most directly determine aircraft landing land time stationarity and safety,
Indirectly affect the quality of aircraft own and carrying object or the safety of personnel.Also there are some technology that the damping of aircraft is asked
Topic proposes solution, such as: the Chinese patent of Patent No. 201510270375.4 discloses a kind of aircraft damping foot rest,
Forming internal seal structure with interior axle through oil sealing by sleeve, internal institute shock mount, under the effect of resistance oils and fats, makes interior axle
The flexible effect playing bumper and absorbing shock；The Chinese patent of Patent No. 201410012150.4 discloses subtracting of a kind of unmanned vehicle
Shake device, reaches damping effect by arranging shock-absorbing ball；But all there is the problems such as damping effect is inconspicuous in above technology.In view of
This, the invention provides a kind of unmanned plane undercarriage with dual shock absorption function.
Summary of the invention
In order to make up the deficiencies in the prior art, the invention provides a kind of unmanned plane undercarriage with dual shock absorption function.
The present invention to solve its technical problem and realize by the following technical solutions.
A kind of unmanned plane undercarriage with dual shock absorption function, including delta parallel institution, battery case and damping undercarriage；
Described battery case is positioned in the middle part of delta parallel institution, and damping undercarriage is positioned at immediately below delta parallel institution, and damping rises
The frame that falls is connected with delta parallel institution.
As a further improvement on the present invention, described delta parallel institution includes fixed platform, moving platform, lower ear base, lower company
Bar, rotary shaft, upper connecting rod, upper ear seat, rotational pin and limit spring；Described fixed platform structure in the form of annular discs, on fixed platform
Uniformly offering regular hexagon steam vent, moving platform is positioned at directly over fixed platform, offers square fixing port in the middle part of moving platform, dynamic
Being provided with installation ear mount the most symmetrically along its circumferential direction on platform lateral wall, lower ear base is I-shaped structure, lower ear base two
End is respectively arranged with bearing, and lower link one end is arranged on the bearing of lower ear base, logical between the lower link other end and upper connecting rod lower end
Cross rotary shaft to be connected, be attached by rotational pin between upper small end and upper ear seat, and upper ear seat is fixed at the bottom of moving platform
On end face, at upper connecting rod medium position and at lower link medium position, it is provided with upper spring seat and lower spring cup, spacing bullet respectively
Spring two ends are separately fixed on upper spring seat and lower spring cup；Delta parallel institution can realize three translations three in space and rotate altogether
The motion in six-freedom degree direction, compact conformation is flexible, and kinetic stability is high, has good damping performance, by delta also
Online structure is applied on unmanned plane, and when UAV Landing, unmanned plane can produce sharp pounding with ground and also produce certain simultaneously
Recoil strength, causes unmanned plane planar to produce displacement dislocation, thus causes unmanned plane to fall down, shake simultaneously and acutely will also result in
Component damage on unmanned plane, now, the shake that delta parallel institution produces with ground when on the one hand reducing UAV Landing
Dynamic, it is effectively protected damage unmanned plane caused because of vibrations, on the other hand, delta parallel institution can make up unmanned plane
The displacement produced because of recoil strength during contact ground so that unmanned plane safety and stability is landed, and has prevented and treated the situation that unmanned plane is fallen down.
As a further improvement on the present invention, described damping undercarriage includes retainer ring, flexible inflator, subbase, mounting post
And damping spring；Offering through hole in described retainer ring and subbase respectively, flexible inflator upper end is connected with retainer ring,
Flexible inflator lower end is connected with subbase, and damping spring is evenly arranged in outside flexible inflator, and damping spring upper end is by peace
Dress post is connected with retainer ring lower surface, and damping spring lower end is connected with subbase upper surface by mounting post；When the present invention drops
When falling, damping undercarriage shrinks under the effect of gravity and recoil strength, effectively reduces and is delivered in unmanned plane frame
Shaking force, protects the present invention.
As a further improvement on the present invention, described battery case is the square casing structure of upper end open lower end closed, battery case
Uniformly offering heat extraction hole on lower surface, side, battery case upper end four is provided with square deck, and battery case is mainly used in storing lithium battery,
Reduce the temperature of lithium battery working environment by offering heat extraction hole on battery case, the heat produced when being worked by lithium battery is timely
It is discharged to outdoor, prevents and treats the blast that lithium battery causes because temperature is too high or the problem damaged.
As a further improvement on the present invention, described flexible inflator is screw-like hollow shell structure, and flexible inflator is by one-level gas
Cylinder, two grades of inflators and three grades of inflators form, and one-level inflator diameter, two grades of inflator diameters and three grades of inflator diameters increase successively.
When flight terminates landing landing, damping undercarriage contacts with ground at first, under the effect of gravity and recoil strength, and damping
Undercarriage the most up shrinks from three grades of inflators, two grades of inflators and one-level inflator, effectively reduces and is delivered in unmanned plane frame
Shaking force, damping undercarriage serves the effect of a damping to unmanned plane；Meanwhile, delta parallel institution can in space
Realizing three translations three and rotate the motion in six-freedom degree direction altogether, compact conformation is flexible, and kinetic stability is high, has good subtracting
Shock stability, on the one hand delta parallel institution reduces the vibrations produced when the present invention lands with ground, is effectively protected because of shake
The dynamic damage causing unmanned plane, on the other hand, produces because of recoil strength when delta parallel institution can make up unmanned plane contact ground
Raw displacement so that unmanned plane safety and stability is landed, and has prevented and treated the situation that unmanned plane is fallen down, and delta parallel institution is to the present invention
Serve the effect of secondary shock-absorbing.
Compared with prior art, the invention have the advantages that
(1) present invention has the effect of dual shock absorption, damping effect significant effective, reduces between when unmanned plane lands and ground
The vibration produced, reduces the damage to unmanned aerial vehicle body when unmanned plane lands.
(2) present invention uses delta parallel institution, utilizes its compact conformation flexible, and kinetic stability is high, has good subtracting
The advantage of shock stability, the vibrations produced with ground when not only reducing UAV Landing, and unmanned plane contact ground can be made up
Time because of recoil strength produce displacement, improve unmanned plane landing time safety and stability.
(3) damping undercarriage of the present invention is shunk when acting on by gravity and recoil strength, effectively reduces and is delivered to nothing
Shaking force in man-machine frame, and pneumatic damping and spring shock absorption are applied on damping undercarriage, simple in construction and damping simultaneously
Effective.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the perspective view of the present invention；
Fig. 2 is the perspective view of delta parallel institution of the present invention；
Fig. 3 is the perspective view of damping undercarriage of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with tool
Body illustrates, and the present invention is expanded on further.
As shown in Figure 1 to Figure 3, a kind of unmanned plane undercarriage with dual shock absorption function, including delta parallel institution 2,
Battery case 3 and damping undercarriage 4；Described battery case 3 is positioned in the middle part of delta parallel institution 2, and damping undercarriage 4 is positioned at
Immediately below delta parallel institution 2, and damping undercarriage 4 is connected with delta parallel institution 2.
As depicted in figs. 1 and 2, described delta parallel institution 2 include fixed platform 21, moving platform 22, lower ear base 23,
Lower link 24, rotary shaft 25, upper connecting rod 26, upper ear seat 27, rotational pin 28 and limit spring 29；Described fixed platform 21
Structure in the form of annular discs, fixed platform 21 uniformly offers regular hexagon steam vent, and moving platform 22 is positioned at directly over fixed platform 21,
Offering square fixing port in the middle part of moving platform 22, moving platform 22 is provided with peace the most symmetrically along its circumferential direction on lateral wall
Dress ear mount, lower ear base 23 is in I-shaped structure, and lower ear base 23 two ends are respectively arranged with bearing, and lower link 24 one end is arranged on down
On the bearing of ear mount 23, it is connected by rotary shaft 25 between lower link 24 other end with upper connecting rod 26 lower end, upper connecting rod 26
It is attached by rotational pin 28 between upper end and upper ear seat 27, and upper ear seat 27 is fixed on moving platform 22 bottom face, on
Upper spring seat and lower spring cup, limit spring 29 it is provided with respectively at connecting rod 26 medium position and at lower link 24 medium position
Two ends are separately fixed on upper spring seat and lower spring cup；Delta parallel institution 2 can realize three translations three in space and rotate altogether
The motion in six-freedom degree direction, compact conformation is flexible, and kinetic stability is high, has good damping performance, by delta also
Online structure 2 is applied on unmanned plane, and when UAV Landing, unmanned plane can produce sharp pounding with ground and the most also produce certain
Recoil strength, cause unmanned plane planar to produce displacement dislocation, thus cause unmanned plane to fall down, vibrations simultaneously acutely also can be made
Become the component damage on unmanned plane, now, produce with ground when delta parallel institution 2 one aspect reduces UAV Landing
Vibrations, be effectively protected because of vibrations damage that unmanned plane is caused, on the other hand, delta parallel institution 2 can make up
The displacement produced because of recoil strength during unmanned plane contact ground so that unmanned plane safety and stability is landed, and has prevented and treated the feelings that unmanned plane is fallen down
Condition.
As shown in figures 1 and 3, described damping undercarriage 4 includes retainer ring 41, flexible inflator 42, subbase 43, peace
Dress post 44 and damping spring 45；Through hole is offered respectively, on flexible inflator 42 in described retainer ring 41 and subbase 43
End is connected with retainer ring 4, and flexible inflator 42 lower end is connected with subbase 43, and damping spring 45 is evenly arranged in flexible
Outside inflator 42, and damping spring 45 upper end is connected with retainer ring 41 lower surface by mounting post 44, damping spring 45 times
End is connected with subbase 43 upper surface by mounting post 44；When unmanned plane lands, damping undercarriage 4 is in gravity and recoil
Shrink under the effect of power, effectively reduce the shaking force being delivered in unmanned plane frame, protect unmanned plane.
As it is shown in figure 1, the square casing structure that described battery case 3 is in upper end open lower end closed, on battery case 3 lower surface
Uniformly offering heat extraction hole, side, battery case 3 upper end four is provided with square deck, and battery case 3 is mainly used in storing lithium battery, logical
Crossing and offer heat extraction hole on battery case 3 and reduce the temperature of lithium battery working environment, the heat produced when being worked by lithium battery is timely
It is discharged to outdoor, prevents and treats the blast that lithium battery causes because temperature is too high or the problem damaged.
As it is shown on figure 3, described flexible inflator 42 is screw-like hollow shell structure, flexible 42, gas by one-level inflator 421,
Two grades of inflators 422 and three grades of inflators 423 form, and one-level inflator 421 diameter, two grades of inflator 422 diameters and three grades of inflators 423
Diameter increases successively.
When flight terminates landing landing, damping undercarriage 4 contacts with ground at first, under the effect of gravity and recoil strength, subtracts
Shake undercarriage 4 the most up shrinks from 423, two grades of inflators 422 of three grades of inflators and one-level inflator 421, effectively reduces biography
Being delivered to the shaking force in unmanned plane frame, damping undercarriage 4 serves the effect of a damping to unmanned plane；Meanwhile, delta
Parallel institution 2 can realize three translations three in space and rotate the motion in six-freedom degree direction altogether, and compact conformation is flexible, and motion is steady
Qualitative height, has good damping performance, produces with ground when delta parallel institution 2 one aspect reduces UAV Landing
Vibrations, are effectively protected the damage caused unmanned plane because of vibrations, and on the other hand, delta parallel institution 2 can make up nothing
The displacement produced because of recoil strength during human-machine interface tread surface so that unmanned plane safety and stability is landed, and has prevented and treated the situation that unmanned plane is fallen down,
Delta parallel institution 2 serves the effect of secondary shock-absorbing to unmanned plane.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry,
The present invention is not restricted to the described embodiments, the principle that the present invention is simply described of the description in above-described embodiment and description,
Without departing from the spirit and scope, the present invention also has various changes and modifications, and these changes and improvements both fall within
In scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (3)
1. a unmanned plane undercarriage with dual shock absorption function, it is characterised in that: include delta parallel institution, battery case
With damping undercarriage；Described battery case is positioned in the middle part of delta parallel institution, damping undercarriage be positioned at delta parallel institution just under
Side, and damping undercarriage is connected with delta parallel institution；Wherein:
Described delta parallel institution includes fixed platform, moving platform, lower ear base, lower link, rotary shaft, upper connecting rod, upper ear
Seat, rotational pin and limit spring；Described fixed platform structure in the form of annular discs, fixed platform uniformly offers regular hexagon steam vent,
Moving platform is positioned at directly over fixed platform, offers square fixing port, moving platform lateral wall is divided along its circumferential direction in the middle part of moving platform
Being provided with installation ear mount the most symmetrically, lower ear base is I-shaped structure, and lower ear base two ends are respectively arranged with bearing, lower link one
End is arranged on the bearing of lower ear base, is connected by rotary shaft between the lower link other end with upper connecting rod lower end, upper small end
And be attached by rotational pin between upper ear seat, and upper ear seat be fixed on moving platform bottom face, at upper connecting rod medium position and
Be provided with upper spring seat and lower spring cup at lower link medium position respectively, limit spring two ends be separately fixed at upper spring seat and
On lower spring cup；
Described damping undercarriage includes retainer ring, flexible inflator, subbase, mounting post and damping spring；Described retainer ring
With offer through hole on subbase respectively, flexible inflator upper end is connected with retainer ring, and inflator lower end of stretching is connected with subbase
Connecing, damping spring is evenly arranged in outside flexible inflator, and damping spring upper end is connected with retainer ring lower surface by mounting post,
Damping spring lower end is connected with subbase upper surface by mounting post.
A kind of unmanned plane undercarriage with dual shock absorption function the most according to claim 1, it is characterised in that: described
Battery case is the square casing structure of upper end open lower end closed, battery case lower surface uniformly offers heat extraction hole, on battery case
Four sides are held to be provided with square deck.
A kind of unmanned plane undercarriage with dual shock absorption function the most according to claim 1, it is characterised in that: described
Flexible inflator is screw-like hollow shell structure, and flexible inflator is made up of one-level inflator, two grades of inflators and three grades of inflators, and one-level
Inflator diameter, two grades of inflator diameters and three grades of inflator diameters increase successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338972.0A CN105882944B (en) | 2016-05-19 | 2016-05-19 | A kind of unmanned plane undercarriage with dual shock absorption function |
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| CN201610338972.0A CN105882944B (en) | 2016-05-19 | 2016-05-19 | A kind of unmanned plane undercarriage with dual shock absorption function |
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| CN105882944A true CN105882944A (en) | 2016-08-24 |
| CN105882944B CN105882944B (en) | 2018-08-03 |
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| CN112109885A (en) * | 2020-09-23 | 2020-12-22 | 泊鹭（荆门）飞机有限公司 | Airplane shock absorption undercarriage and installation method thereof |
| CN112173115A (en) * | 2020-11-12 | 2021-01-05 | 重庆凯创荣智能科技有限公司 | High-altitude rescue unmanned aerial vehicle with damping device and using method |
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| CN112173115A (en) * | 2020-11-12 | 2021-01-05 | 重庆凯创荣智能科技有限公司 | High-altitude rescue unmanned aerial vehicle with damping device and using method |
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| Publication number | Publication date |
|---|---|
| CN105882944B (en) | 2018-08-03 |
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