CN109018390B - Head protection device of small fixed wing unmanned aerial vehicle - Google Patents
Head protection device of small fixed wing unmanned aerial vehicle Download PDFInfo
- Publication number
- CN109018390B CN109018390B CN201811130245.0A CN201811130245A CN109018390B CN 109018390 B CN109018390 B CN 109018390B CN 201811130245 A CN201811130245 A CN 201811130245A CN 109018390 B CN109018390 B CN 109018390B
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- arc
- shaped part
- aerial vehicle
- unmanned aerial
- sheet
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- 238000005452 bending Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a small fixed wing unmanned aerial vehicle head protection device, which comprises two thin sheets respectively arranged at two sides of an unmanned aerial vehicle body, wherein each thin sheet comprises: a sheet rear end for being fixed to a side portion of the unmanned aerial vehicle body; the front end of the sheet is protected by collision and deformation in advance, the front end of the sheet extends forwards beyond the head of the unmanned aerial vehicle, the front end of the sheet extends downwards below the head of the unmanned aerial vehicle, and the tail of the front end of the sheet is connected with one end of the rear end of the sheet. In the invention, the following components are added: the special structure adopted by the sheet can protect the head of the unmanned aerial vehicle from the front end and the bottom, so that the head of the unmanned aerial vehicle can be prevented from being directly collided with an obstacle; the sheet is made of a material with good toughness and strength, can greatly absorb impact energy, and ensures protection of the unmanned aerial vehicle head photoelectric equipment.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicle protection, and particularly relates to a small fixed wing unmanned aerial vehicle head protection device.
Background
The existing common fixed wing unmanned aerial vehicle recovery modes mainly comprise parachuting recovery, mesh collision recovery, landing and running and the like, wherein landing running is mainly recovered through the braking and the recovery of a running wheel of the unmanned aerial vehicle, the running process is required to be controlled in a relatively complex way, and otherwise, the landing is easy to deviate. The field is mainly a runway and an empty field. The small-sized fixed wing unmanned aerial vehicle is not provided with a correction system, has large wingspan and small mass, is greatly influenced by ground flatness and foreign matters when landing and running are adopted, is easy to generate phenomena of deflecting and bumping on surrounding objects or runway foreign matters to block forward tilting and the like, and causes great potential safety hazards to photoelectric equipment (such as a guide head, a photoelectric pod and the like) hung on the head.
In order to solve the problems, a small fixed wing unmanned aerial vehicle head protection device for protecting the head of the unmanned aerial vehicle is developed.
Disclosure of Invention
The present invention aims to solve the above problems and provide a small-sized fixed wing unmanned aerial vehicle head protection device.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a small-size fixed wing unmanned aerial vehicle head protection device, includes two thin slices of installing respectively in the unmanned aerial vehicle fuselage both sides, and every thin slice includes:
a sheet rear end for being fixed to a side portion of the unmanned aerial vehicle body;
the front end of the sheet is protected by collision and deformation in advance, the front end of the sheet extends forwards beyond the head of the unmanned aerial vehicle, the front end of the sheet extends downwards below the head of the unmanned aerial vehicle, and the tail of the front end of the sheet is connected with one end of the rear end of the sheet.
Specifically, the thin slice front end is including the first arc portion, second arc portion, the third arc portion that connect gradually, and third arc portion is crooked downwards, and first arc portion and second arc portion all upwards bend, and the one end of first arc portion and second arc portion non-contact perk upwards, and the one end that first arc portion and second arc portion contacted is less than the unmanned aerial vehicle head.
Preferably, the curvature of the second arc-shaped portion is 115 °, and the curvature radius of the second arc-shaped portion is the same as the curvature radius of the first arc-shaped portion, and is twice the curvature radius of the third arc-shaped portion.
Further, the front end, the middle end and the rear end of the sheet are respectively fixed on the unmanned aerial vehicle body through the first screw set, the second screw set and the third screw set.
Further, a plurality of hollowed-out structures for reducing the overall quality are arranged at the rear end of the thin sheet.
Preferably, the sheet is made of 2A12 aluminum alloy.
The invention has the beneficial effects that:
the invention relates to a small fixed wing unmanned aerial vehicle head protection device which comprises a head part, a head part and a cover, wherein the head part is provided with a head part, a cover:
1. the special structure adopted by the sheet can protect the head of the unmanned aerial vehicle from the front end and the bottom, so that the head of the unmanned aerial vehicle can be prevented from being directly collided with an obstacle;
2. the sheet is made of a material with good toughness and strength, can greatly absorb impact energy, and ensures protection of the unmanned aerial vehicle head photoelectric equipment.
Drawings
FIG. 1 is a side view of a mounting structure of the present invention;
fig. 2 is a side view of the present invention.
In the figure: 1. a head of the unmanned aerial vehicle; 2. the front end of the thin sheet; 21. a first arc-shaped portion; 22. a second arc-shaped portion; 23. a third arc-shaped portion; 3. a first screw set; 4. the rear end of the thin sheet; 5. an unmanned aerial vehicle body; 6. a second screw set; 7. and a third screw set.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-2, the protecting device for the small-sized fixed wing unmanned aerial vehicle head 1 comprises two thin sheets which are respectively arranged at two sides of the unmanned aerial vehicle body 5, wherein the thickness of each thin sheet is 3 mm; each sheet comprises: a sheet rear end 4 for fixing to a side of the unmanned aerial vehicle body 5; the front end 2 of the sheet is used for protecting the head 1 of the unmanned aerial vehicle through collision and deformation energy absorption in advance, the head of the front end 2 of the sheet extends forwards beyond the head 1 of the unmanned aerial vehicle, the head of the front end 2 of the sheet extends downwards below the head 1 of the unmanned aerial vehicle, and the tail of the front end 2 of the sheet is connected with one end of the rear end 4 of the sheet.
The sheet front end 2 comprises a first arc-shaped portion 21, a second arc-shaped portion 22 and a third arc-shaped portion 23 which are sequentially connected, the third arc-shaped portion 23 is bent downwards, both the first arc-shaped portion 21 and the second arc-shaped portion 22 are bent upwards, one non-contact end of the first arc-shaped portion 21 and the second arc-shaped portion 22 is tilted upwards, and one contact end of the first arc-shaped portion 21 and the second arc-shaped portion 22 is lower than the unmanned aerial vehicle head 1.
The inner and outer bending radii of the first arc-shaped portion 21 are 40 mm, the width of the first arc-shaped portion 21 is 20 mm, the first arc-shaped portion is gradually narrowed from one end contacting with the second arc-shaped portion 22 to one end not contacting with the second arc-shaped portion 22, the one end not contacting with the second arc-shaped portion 22 is arc-shaped, and the bending radius is 5 mm;
the curvature of the second arc-shaped portion 22 is 115 °, and the curvature radius of the second arc-shaped portion 22 is the same as the curvature radius of the first arc-shaped portion 21, and is twice the curvature radius of the third arc-shaped portion 23. The width of the second arc-shaped part 22 is 20 mm, and the inside and outside bending radius of the second arc-shaped part 22 is 40 mm;
the width of the third arc-shaped part 23 is 20 mm, and the inner and outer bending radiuses of the third arc-shaped part 23 are 20 mm;
the front end, the middle end and the rear end of the sheet rear end 4 are fixed on the unmanned aerial vehicle body 5 through a first screw set 3, a second screw set 6 and a third screw set 7 respectively. The first screw set 3, the second screw set 6 and the third screw set 7 are all 6 phi 3.5mm counter bore screws.
Be provided with a plurality of hollow structures for reducing overall quality on the thin slice rear end 4, hollow structure's setting makes unmanned aerial vehicle's overall quality characteristic and aerodynamic characteristic influence very little, can not cause the influence to unmanned aerial vehicle flight. The preferred hollow structure of this embodiment is five rectangular structures.
The thin sheet is made of 2A12 aluminum alloy.
The structural dimension of thin slice and unmanned aerial vehicle fuselage 5 appearance phase-match, thin slice and fuselage longitudinal axis plane are parallel to guarantee to have better laminating degree with unmanned aerial vehicle fuselage 5, in order to install, dismantle.
When the sheet collides with an obstacle, the first arc-shaped part 21 contacts with one end of the obstacle far away from the second arc-shaped part 22; or lower ends of the first and second arc parts 21 and 22; the three arc-shaped parts slightly deform to absorb energy, and collision energy is transmitted to the unmanned aerial vehicle body 5 by the thin sheet rear end 4 and cannot directly act on the unmanned aerial vehicle head 1, so that the unmanned aerial vehicle head 1 is protected.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a small-size fixed wing unmanned aerial vehicle head protection device, its characterized in that includes two thin slices of installing respectively in the unmanned aerial vehicle fuselage both sides, and every thin slice includes:
a sheet rear end for being fixed to a side portion of the unmanned aerial vehicle body;
the front end of the sheet is protected by collision and deformation in advance, the front end of the sheet extends forwards beyond the head of the unmanned aerial vehicle, the front end of the sheet extends downwards below the head of the unmanned aerial vehicle, and the tail of the front end of the sheet is connected with one end of the rear end of the sheet;
the front end of the sheet comprises a first arc-shaped part, a second arc-shaped part and a third arc-shaped part which are sequentially connected, the third arc-shaped part is bent downwards, the first arc-shaped part and the second arc-shaped part are both bent upwards, one non-contact end of the first arc-shaped part and the second arc-shaped part is tilted upwards, and one contact end of the first arc-shaped part and the second arc-shaped part is lower than the head of the unmanned aerial vehicle;
the inner and outer bending radiuses of the first arc-shaped part are 40 mm, the width of the first arc-shaped part is 20 mm, the first arc-shaped part gradually narrows from one end contacted with the second arc-shaped part to one end not contacted with the second arc-shaped part, the one end not contacted with the second arc-shaped part is arc-shaped, and the bending radius is 5 mm;
the curvature of the second arc-shaped part is 115 degrees, and the curvature radius of the second arc-shaped part is the same as that of the first arc-shaped part and is twice as large as that of the third arc-shaped part; the width of the second arc-shaped part is 20 mm, and the inner and outer bending radiuses of the second arc-shaped part are 40 mm;
the width of the third arc-shaped part is 20 mm, and the inner and outer bending radiuses of the third arc-shaped part are 20 mm.
2. The small fixed wing unmanned aerial vehicle head protection device of claim 1, wherein: the front end, the middle end and the rear end of the sheet are respectively fixed on the unmanned aerial vehicle body through a first screw set, a second screw set and a third screw set.
3. The small fixed wing unmanned aerial vehicle head protection device of claim 1, wherein: the rear end of the thin sheet is provided with a plurality of hollow structures for reducing the overall quality.
4. The small fixed wing unmanned aerial vehicle head protection device of claim 1, wherein: the thin sheet is made of 2A12 aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130245.0A CN109018390B (en) | 2018-09-27 | 2018-09-27 | Head protection device of small fixed wing unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130245.0A CN109018390B (en) | 2018-09-27 | 2018-09-27 | Head protection device of small fixed wing unmanned aerial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109018390A CN109018390A (en) | 2018-12-18 |
| CN109018390B true CN109018390B (en) | 2023-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811130245.0A Active CN109018390B (en) | 2018-09-27 | 2018-09-27 | Head protection device of small fixed wing unmanned aerial vehicle |
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| CN (1) | CN109018390B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6298962B1 (en) * | 1998-03-13 | 2001-10-09 | Showa Denko K.K. | Member for arm |
| WO2010082352A1 (en) * | 2009-01-19 | 2010-07-22 | トヨタ自動車株式会社 | Shock absorption system |
| CN201895638U (en) * | 2010-11-08 | 2011-07-13 | 洪伟添 | Buffering collision-proof automobile front bumper |
| WO2011131733A2 (en) * | 2010-04-22 | 2011-10-27 | Desaulniers Jean-Marc Joseph | Vertical take-off and landing multimodal, multienvironment, gyropendular craft with compensatory propulsion and fluidic gradient collimation |
| CN203005326U (en) * | 2013-01-21 | 2013-06-19 | 樊丽军 | Safe bumper |
| JP2015085755A (en) * | 2013-10-29 | 2015-05-07 | サイトテック株式会社 | Radio controlled helicopter |
| CN105216723A (en) * | 2015-10-21 | 2016-01-06 | 东风汽车公司 | A kind of family-sized car afterbody anticollision device |
| KR20160008667A (en) * | 2014-07-14 | 2016-01-25 | 창원대학교 산학협력단 | Impact protection device for drones |
| CN105691586A (en) * | 2016-01-15 | 2016-06-22 | 中国人民解放军国防科学技术大学 | Small-sized light unmanned aerial vehicle structure with strike-resistant and impact dispersing and recycling functions |
| JP2016147565A (en) * | 2015-02-12 | 2016-08-18 | 株式会社ａｍｕｓｅ ｏｎｅｓｅｌｆ | Flight body |
| CN205769136U (en) * | 2016-05-28 | 2016-12-07 | 江阴市汽车改装厂 | Bumper that impact resistant capability is strong and automobile |
| CN206633951U (en) * | 2017-03-13 | 2017-11-14 | 安徽三联学院 | A kind of permanent protective property automobile anti-collision protective device |
| CN207291931U (en) * | 2017-10-24 | 2018-05-01 | 北京车和家信息技术有限公司 | Device for protecting legs of passersby and vehicle |
| CN107972880A (en) * | 2017-12-05 | 2018-05-01 | 长沙展朔轩兴信息科技有限公司 | Multi-rotor unmanned aerial vehicle protective device |
| CN207374688U (en) * | 2017-11-03 | 2018-05-18 | 西安蓝悦航天科技有限公司 | Unmanned plane drop protection device |
| CN207860451U (en) * | 2017-12-20 | 2018-09-14 | 杭州昊舜视讯科技有限公司 | A kind of wing shield paddle with anticollision deformation function |
| CN208813519U (en) * | 2018-09-27 | 2019-05-03 | 中国工程物理研究院总体工程研究所 | Small-sized fixed-wing unmanned plane head restraint |
-
2018
- 2018-09-27 CN CN201811130245.0A patent/CN109018390B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6298962B1 (en) * | 1998-03-13 | 2001-10-09 | Showa Denko K.K. | Member for arm |
| WO2010082352A1 (en) * | 2009-01-19 | 2010-07-22 | トヨタ自動車株式会社 | Shock absorption system |
| WO2011131733A2 (en) * | 2010-04-22 | 2011-10-27 | Desaulniers Jean-Marc Joseph | Vertical take-off and landing multimodal, multienvironment, gyropendular craft with compensatory propulsion and fluidic gradient collimation |
| CN201895638U (en) * | 2010-11-08 | 2011-07-13 | 洪伟添 | Buffering collision-proof automobile front bumper |
| CN203005326U (en) * | 2013-01-21 | 2013-06-19 | 樊丽军 | Safe bumper |
| JP2015085755A (en) * | 2013-10-29 | 2015-05-07 | サイトテック株式会社 | Radio controlled helicopter |
| KR20160008667A (en) * | 2014-07-14 | 2016-01-25 | 창원대학교 산학협력단 | Impact protection device for drones |
| JP2016147565A (en) * | 2015-02-12 | 2016-08-18 | 株式会社ａｍｕｓｅ ｏｎｅｓｅｌｆ | Flight body |
| CN105216723A (en) * | 2015-10-21 | 2016-01-06 | 东风汽车公司 | A kind of family-sized car afterbody anticollision device |
| CN105691586A (en) * | 2016-01-15 | 2016-06-22 | 中国人民解放军国防科学技术大学 | Small-sized light unmanned aerial vehicle structure with strike-resistant and impact dispersing and recycling functions |
| CN205769136U (en) * | 2016-05-28 | 2016-12-07 | 江阴市汽车改装厂 | Bumper that impact resistant capability is strong and automobile |
| CN206633951U (en) * | 2017-03-13 | 2017-11-14 | 安徽三联学院 | A kind of permanent protective property automobile anti-collision protective device |
| CN207291931U (en) * | 2017-10-24 | 2018-05-01 | 北京车和家信息技术有限公司 | Device for protecting legs of passersby and vehicle |
| CN207374688U (en) * | 2017-11-03 | 2018-05-18 | 西安蓝悦航天科技有限公司 | Unmanned plane drop protection device |
| CN107972880A (en) * | 2017-12-05 | 2018-05-01 | 长沙展朔轩兴信息科技有限公司 | Multi-rotor unmanned aerial vehicle protective device |
| CN207860451U (en) * | 2017-12-20 | 2018-09-14 | 杭州昊舜视讯科技有限公司 | A kind of wing shield paddle with anticollision deformation function |
| CN208813519U (en) * | 2018-09-27 | 2019-05-03 | 中国工程物理研究院总体工程研究所 | Small-sized fixed-wing unmanned plane head restraint |
Non-Patent Citations (3)
| Title |
|---|
| 某型无人机着陆回收可行性研究;陈小毛;梁世波;;南京航空航天大学学报(S1);75-78 * |
| 柔性翼飞行器现状及关键技术分析;邓坤;航天返回与遥感;全文 * |
| 飞机机身结构非正常着陆耐撞性仿真分析;殷之平;李玉龙;谭申刚;;机械强度(02);196-201 * |
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| Publication number | Publication date |
|---|---|
| CN109018390A (en) | 2018-12-18 |
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