CN208855879U - The small-sized landing buffer device of fixed-wing unmanned plane - Google Patents
The small-sized landing buffer device of fixed-wing unmanned plane Download PDFInfo
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- CN208855879U CN208855879U CN201821454045.6U CN201821454045U CN208855879U CN 208855879 U CN208855879 U CN 208855879U CN 201821454045 U CN201821454045 U CN 201821454045U CN 208855879 U CN208855879 U CN 208855879U
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Abstract
The utility model discloses a kind of small-sized landing buffer devices of fixed-wing unmanned plane, including impact force dispersion plate (1), energy-absorbing bulge (2), wear-resisting covering (3) and unmanned aerial vehicle body (4), wherein the impact force dispersion plate (1) is mounted on unmanned aerial vehicle body (4) bottom, and impact force dispersion plate (1) and unmanned aerial vehicle body (4) are face contact；The energy-absorbing bulge (2) is wrapped in wear-resisting covering (3), the surrounding connection that the wear-resisting covering (3) contacts with impact force dispersion plate (1).The utility model is by low-density, the compressive deformation of elastomeric energy-absorbing bulge, the greater impact energy generated when effectively absorbing UAV Landing, and its shape is streamlined good, and unmanned plane during flying resistance can be effectively reduced；Impact force dispersion plate has larger area to contact with unmanned aerial vehicle body bottom, and energy-absorbing bulge can be transmitted to the larger concentrfated load come and be evenly distributed with onto fuselage bottom structure, the overload that airframe structure is born is greatly reduced；Wear-resisting covering is soft material, and protects energy-absorbing bulge not damage when landing with type with energy-absorbing bulge.To realize light, efficient, durable, the easy-to-use function of landing buffer device.
Description
Technical field
The utility model relates to a kind of small-sized landing buffer devices of fixed-wing unmanned plane, for meeting small-sized fixed-wing
When UAV Landing, effectively absorb landing shock load, and shock loading be evenly distributed with fuselage bottom, protect housing construction not by
Impact injury.Belong to aircraft landing buffer technology field.
Background technique
Landing buffer device is the important component of UAV system.The design structure of UAV Landing buffer unit and
Form is directly related to impact energy assimilation effect, buffer unit impost etc. when unmanned aerial vehicle platform lands, and then influences nothing
Man-machine housing construction landing injury situation.Currently, aircraft landing buffer unit mostly uses greatly the sides such as hydraulic cushion, air bag buffering
Formula, its shortcoming is that aerodynamic drag is big, weight accounting is high, and installation is complicated for operation, and working service is cumbersome, low efficiency.Therefore, in nothing
It is low that man-machine technical requirements buffer unit is attached to weight, buffer it is high-efficient, under the convenient development of working service, in unmanned plane
Land buffer unit design aspect realizes innovations and breakthroughs, meets the objective requirement of unmanned air vehicle technique development, pushes away to promotion unmanned plane
Wide application also has critical significance.
Utility model content
To overcome aerodynamic drag existing for existing aircraft landing buffer unit big, weight accounting is high, and installation is complicated for operation, makes
Cumbersome with safeguarding, the disadvantages of low efficiency, the purpose of the utility model is to provide a kind of small-sized landing buffers of fixed-wing unmanned plane
Device can ensure that fixed-wing UAV Landing shock loading absorbs the ability for efficiently, reducing housing construction impact acceleration.
A kind of in order to achieve the above object, the utility model provides small-sized landing buffer device of fixed-wing unmanned plane, packet
Impact force dispersion plate, energy-absorbing bulge, wear-resisting covering and unmanned aerial vehicle body are included, wherein above-mentioned impact force dispersion plate is mounted on unmanned plane
Fuselage bottom, impact force dispersion plate and unmanned aerial vehicle body are face contact；Above-mentioned energy-absorbing bulge is wrapped in wear-resisting covering, above-mentioned resistance to
The surrounding connection that mill covering is contacted with impact force dispersion plate.
Preferably, the type of attachment between above-mentioned impact force dispersion plate and unmanned aerial vehicle body is to be glued or be mechanically connected.
Preferably, the surrounding that above-mentioned wear-resisting covering is contacted with impact force dispersion plate carries out bonding connection by structure glue, protects
Card energy-absorbing bulge is not fallen off, and does not hinder the compressive deformation of energy-absorbing bulge.
Preferably, when above-mentioned landing buffer device assembles, energy-absorbing bulge is first fixed on impact force point by wear-resisting covering
On falling apart, buffer unit component is formed, and guarantee that the compressive deformation of energy-absorbing bulge is unobstructed；Again by energy-absorbing bulge, wear-resisting illiteracy
The buffer unit component of skin and impact force dispersion plate composition, which is glued by structure glue or is mechanically connected form, is installed to unmanned plane machine
The installation of landing buffer device is completed in body bottom.
Preferably, above-mentioned landing buffer device in use, energy-absorbing bulge and wear-resisting covering in non-landing in stretching naturally
Long status；When unmanned plane landing is landed, wear-resisting covering contacts to earth at first, and shock loading is transmitted in energy-absorbing bulge, energy-absorbing drum
It contracts for fixed output quotas raw compressive deformation, absorbs landing shock load energy；Energy-absorbing bulge is compressed to limiting condition, and by landing shock load
It is transmitted on impact force dispersion plate；Landing shock concentrfated load is dispersed into face uniform load again by impact force dispersion plate, is transmitted to
It is closed in being carried out in the housing construction of unmanned aerial vehicle body, to complete the absorption and uniformly distributed expansion of concentrating shock loading when unmanned plane landing
It is closed in dissipating.
Preferably, above-mentioned impact force dispersion plate is mounted on unmanned aerial vehicle body bottom, and shape can be plate or curved slab.
Preferably, above-mentioned impact force dispersion plate suqare can be adjusted according to unmanned aerial vehicle body bottom area, and area is not
Less than the 1/5 of unmanned aerial vehicle body bottom area.
Preferably, above-mentioned energy-absorbing bulge density is less than 30kg/m3Hereinafter, compression ratio is greater than 5 times or more, coefficient of elasticity is greater than
5 or more.
Preferably, above-mentioned wear-resisting skin thickness be less than 0.2mm hereinafter, and wearability be less than 0.1g/cm2。
Compared with prior art, the utility model is effectively inhaled by low-density, the compressive deformation of elastomeric energy-absorbing bulge
The greater impact energy generated when receiving UAV Landing, and its shape is streamlined good, and unmanned plane during flying resistance can be effectively reduced；Punching
Hit power dispersion plate has larger area to contact with unmanned aerial vehicle body bottom, the larger concentrfated load come can be transmitted in energy-absorbing bulge and be evenly distributed with
Onto fuselage bottom structure, the overload that airframe structure is born is greatly reduced；Wear-resisting covering be soft material, and with energy-absorbing bulge
With type, energy-absorbing bulge is protected not damage when landing.To realize light, efficient, durable, the easy-to-use function of landing buffer device.
Detailed description of the invention
Fig. 1 is the small-sized landing buffer device of fixed-wing unmanned plane in fuselage bottom installation two-dimensional representation；
Fig. 2 is the package assembly two dimension cut-away view of the small-sized landing buffer device of fixed-wing unmanned plane.
Marked in the figure: 1- impact force dispersion plate；2- energy-absorbing bulge；The wear-resisting covering of 3-；4- unmanned aerial vehicle body.
Specific embodiment
Specifically describe the preferred embodiments of the utility model with reference to the accompanying drawing, wherein attached drawing constitutes the application one
Point, and be used to illustrate the principles of the present invention together with the embodiments of the present invention.
It is the small-sized landing buffer device of a kind of fixed-wing unmanned plane provided by the utility model as shown in Figure 1 at fuselage bottom
Two-dimensional representation, including impact force dispersion plate 1, energy-absorbing bulge 2, wear-resisting covering 3 and unmanned aerial vehicle body 4 are installed by portion, wherein impacting
Power dispersion plate 1 is mounted on 4 bottom of unmanned aerial vehicle body, and impact force dispersion plate 1 and unmanned aerial vehicle body 4 are face contact, and type of attachment can
To be glued or being mechanically connected.
It is a kind of assembling knot of the small-sized landing buffer device of fixed-wing unmanned plane provided by the utility model as shown in Figure 2
Structure two dimension cut-away view, wherein energy-absorbing bulge 2 is wrapped in wear-resisting covering 3, wear-resisting covering 3 contacted with impact force dispersion plate 1 four
Week carries out bonding connection by structure glue, guarantees that energy-absorbing bulge 2 is not fallen off, and do not hinder the compressive deformation of energy-absorbing bulge 2.
When assembly, energy-absorbing bulge 2 is fixed on impact force dispersion plate 1 by wear-resisting covering 3 first, forms buffer unit portion
Part, and guarantee that the compressive deformation of energy-absorbing bulge 2 is unobstructed；Again by energy-absorbing bulge 2, wear-resisting covering 3 and 1 group of impact force dispersion plate
At buffer unit component be glued or be mechanically connected form by structure glue and be installed to 4 bottom of unmanned aerial vehicle body, complete to land slow
The installation of flushing device.
In use, energy-absorbing bulge 2 and wear-resisting covering 3 are in nature elongation state in non-landing；Unmanned plane landing is landed
When, wear-resisting covering 3 contacts to earth at first, and shock loading is transmitted in energy-absorbing bulge 2, and energy-absorbing bulge 2 generates compressive deformation, absorbs
Landing shock load energy；Energy-absorbing bulge 2 is compressed to limiting condition, and by landing shock load transmission to impact force dispersion plate
On 1；Landing shock concentrfated load is dispersed into face uniform load again by impact force dispersion plate 1, is transmitted to the body of unmanned aerial vehicle body 4
It is closed in being carried out in structure, to complete the absorption for concentrating shock loading when unmanned plane landing and be closed in uniformly spreading.
The small-sized landing buffer device of fixed-wing unmanned plane provided by the utility model, passes through low-density, elastomeric suction
The compressive deformation of energy bulge, the greater impact energy generated when effectively absorbing UAV Landing, and its shape is streamlined good, can have
Effect reduces unmanned plane during flying resistance；Impact force dispersion plate has larger area to contact with unmanned aerial vehicle body bottom, can be by energy-absorbing bulge
The larger concentrfated load that transmitting comes is evenly distributed with onto fuselage bottom structure, greatly reduces the overload that airframe structure is born；Wear-resisting illiteracy
Skin is soft material, and protects energy-absorbing bulge not damage when landing with type with energy-absorbing bulge.To realize landing buffer device matter
Gently, efficiently, durable, easy-to-use function.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than to this is practical
The limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, the common skill of this field
Art personnel should be appreciated that and can improve to the technical solution of the utility model or equivalent replacement, practical without departing from this
The spirit and scope of new technique scheme.
Claims (9)
1. a kind of small-sized landing buffer device of fixed-wing unmanned plane, it is characterised in that the landing buffer device includes impact force
Dispersion plate (1), energy-absorbing bulge (2), wear-resisting covering (3) and unmanned aerial vehicle body (4), wherein the impact force dispersion plate (1) is installed
In unmanned aerial vehicle body (4) bottom, impact force dispersion plate (1) and unmanned aerial vehicle body (4) are face contact；Energy-absorbing bulge (2) packet
It is rolled in wear-resisting covering (3), the surrounding connection that the wear-resisting covering (3) contacts with impact force dispersion plate (1).
2. the small-sized landing buffer device of fixed-wing unmanned plane according to claim 1, it is characterised in that: the impact force
Type of attachment between dispersion plate (1) and unmanned aerial vehicle body (4) is to be glued or be mechanically connected.
3. the small-sized landing buffer device of fixed-wing unmanned plane according to claim 1, it is characterised in that: the wear-resisting illiteracy
The surrounding that skin (3) is contacted with impact force dispersion plate (1) carries out bonding connection by structure glue, guarantees that energy-absorbing bulge (2) are not fallen off,
And do not hinder the compressive deformation of energy-absorbing bulge (2).
4. the small-sized landing buffer device of fixed-wing unmanned plane according to claim 1, it is characterised in that: described land is delayed
When flushing device assembles, first energy-absorbing bulge (2) are fixed on impact force dispersion plate (1) by wear-resisting covering (3), form buffering dress
Component is set, and guarantees that the compressive deformation of energy-absorbing bulge (2) is unobstructed；Again by energy-absorbing bulge (2), wear-resisting covering (3) and impact
The buffer unit component of power dispersion plate (1) composition is glued or is mechanically connected by structure glue form and is installed to unmanned aerial vehicle body (4)
The installation of landing buffer device is completed in bottom.
5. the small-sized landing buffer device of fixed-wing unmanned plane according to claim 1, it is characterised in that: described land is delayed
Flushing device is in use, energy-absorbing bulge (2) and wear-resisting covering (3) are in nature elongation state in non-landing；Unmanned plane lands
Lu Shi, wear-resisting covering (3) is contacted to earth at first, and shock loading is transmitted on energy-absorbing bulge (2), and energy-absorbing bulge (2) generates compression
Deformation absorbs landing shock load energy；Energy-absorbing bulge (2) is compressed to limiting condition, and landing shock load transmission is arrived
On impact force dispersion plate (1)；Landing shock concentrfated load is dispersed into face uniform load again by impact force dispersion plate (1), is transmitted to
In the housing construction of unmanned aerial vehicle body (4) carry out in close, thus complete unmanned plane landing when concentrate shock loading absorption and
It is closed in cloth diffusion.
6. the small-sized landing buffer device of fixed-wing unmanned plane according to claim 1 or 2, it is characterised in that: the punching
It hits power dispersion plate (1) and is mounted on unmanned aerial vehicle body (4) bottom, shape can be plate or curved slab.
7. the small-sized landing buffer device of fixed-wing unmanned plane according to claim 1 or 2, it is characterised in that: the punching
Hitting power dispersion plate (1) area can be adjusted according to unmanned aerial vehicle body (4) bottom area, and area is not less than unmanned aerial vehicle body
(4) the 1/5 of bottom area.
8. the small-sized landing buffer device of fixed-wing unmanned plane according to claim 1 or 2, it is characterised in that: the suction
Energy bulge (2) density is less than 30kg/m3Hereinafter, compression ratio is greater than 5 times or more, coefficient of elasticity is greater than 5 or more.
9. the small-sized landing buffer device of fixed-wing unmanned plane according to claim 1 or 2, it is characterised in that: described resistance to
Grind covering (3) thickness be less than 0.2mm hereinafter, and wearability be less than 0.1g/cm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454045.6U CN208855879U (en) | 2018-09-05 | 2018-09-05 | The small-sized landing buffer device of fixed-wing unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454045.6U CN208855879U (en) | 2018-09-05 | 2018-09-05 | The small-sized landing buffer device of fixed-wing unmanned plane |
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| CN208855879U true CN208855879U (en) | 2019-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155908A1 (en) * | 2022-02-21 | 2023-08-24 | 西安昱辉千星航空科技有限公司 | Aircraft and layout and operation method thereof |
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2018
- 2018-09-05 CN CN201821454045.6U patent/CN208855879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155908A1 (en) * | 2022-02-21 | 2023-08-24 | 西安昱辉千星航空科技有限公司 | Aircraft and layout and operation method thereof |
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