CN106828870B - Multi-rotor unmanned aerial vehicle - Google Patents
Multi-rotor unmanned aerial vehicle Download PDFInfo
- Publication number
- CN106828870B CN106828870B CN201710196853.0A CN201710196853A CN106828870B CN 106828870 B CN106828870 B CN 106828870B CN 201710196853 A CN201710196853 A CN 201710196853A CN 106828870 B CN106828870 B CN 106828870B
- Authority
- CN
- China
- Prior art keywords
- horn
- piece
- fixing
- connecting piece
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The invention relates to a multi-rotor unmanned aerial vehicle horn folding mechanism, which is connected with a horn through a horn connecting piece 1 and comprises the horn connecting piece 1, a spring 2, a sliding piece 3, a limiting piece 4, a fixing piece 5 and a pin shaft 6, wherein the horn connecting piece 1 is in a stepped shaft shape, the front part 11 of the horn connecting piece is used for fixing the horn through a locking structure 111, the outer diameter of the rear part 12 is smaller than that of the front part 11, an internal thread 121 is arranged in the rear part 12, and the spring 2 is sleeved on the rear part 12; the lower half part 32 of the sliding part 3 is internally provided with a fixed hole, the sliding part 3 is sleeved outside the spring 2 through a through hole, and the hole end 311 of the through hole is matched with the rear part 12 of the horn connecting piece 1 on the horn connecting piece 1; the limiting piece 4 limits the axial position of the sliding piece 3 by the boss 42; the fixing member 5 is used for fixing the folding mechanism to the frame.
Description
Technical Field
The invention relates to the field of multi-rotor unmanned aerial vehicles, in particular to a folding multi-rotor unmanned aerial vehicle.
Background
The multi-rotor unmanned aerial vehicle is a special unmanned helicopter with three or more rotor shafts. Which is rotated by a motor on each shaft to drive the rotor, thereby generating lift. The relative rotation speed among different rotors can be changed, so that the single-shaft propulsion force can be changed, and the running track of the aircraft can be controlled.
The motor passes through the horn to be installed in unmanned aerial vehicle frame, and the horn outwards radially sets up for the fuselage, and is bulky, and the transportation is inconvenient, and the horn structure is easy to collide in the transportation simultaneously, influences unmanned aerial vehicle normal use.
At present, the unmanned aerial vehicle horn folding structure is fixed by bolts, is inconvenient to assemble and disassemble, or is fixed by buckles or pin shafts. The structure limits that gaps exist between the unfolded horn and the frame, or the strength of the pin shaft is limited, and particularly for some unmanned aerial vehicles with larger loads, the pin shaft is deformed to generate gaps after a period of use. High-frequency vibration is generated when the motor runs at a high speed, so that the horn is unstable, and the service life of the unmanned aerial vehicle is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the multi-rotor unmanned aerial vehicle which is convenient to fold and good in stability. The technical scheme of the invention is as follows:
the multi-rotor unmanned aerial vehicle comprises a plurality of horn connected with a central plate through folding pieces, and is characterized in that the folding pieces comprise a horn connecting piece 1, a spring 2, a sliding piece 3, a limiting piece 4, a fixing piece 5 and a pin shaft 6, wherein,
the arm connecting piece 1 is in a stepped shaft shape, the front part 11 of the arm connecting piece is used for fixing the arm through the locking structure 111, the outer diameter of the rear part 12 is smaller than that of the front part 11, the inner thread 121 is arranged in the rear part 12, and the spring 2 is sleeved on the rear part 12;
the sliding part 3 comprises a lower half part 31 and an upper half part 32, a fixed hole is formed in the lower half part 32, the sliding part 3 is sleeved outside the spring 2 through a through hole, and a hole end 311 of the through hole is matched with the rear part 12 of the horn connecting piece 1 on the horn connecting piece 1;
the front end of the limiting piece 4 is provided with an external thread 41, and the external thread 41 of the limiting piece 4 is matched with the internal thread 121 of the horn connecting piece 1; the rear end is provided with a boss 42, so that the axial position of the sliding piece 3 is limited by the boss 42; a through hole 421 is formed in the boss 42;
the fixing piece 5 comprises a main body part 501 for fixing the folding mechanism on the frame, a fixing column 502 extends out of the upper part of the main body part 501, and the outer diameter of the fixing column 502 is matched with the inner diameter of a fixing hole on the upper half part 32 of the sliding piece 3; an ear 503 for mounting the pin shaft 6 is arranged on the main body 501, and a through hole 421 on the limiting piece 4 is connected with the ear 503 on the fixing piece 5 through the pin shaft 6, so that the folding mechanism and the arm can rotate around the pin shaft 6; one end of the spring 2 is limited by the rear end of the rear part 12 of the horn connector 1, and the other end is limited by the boss of the limiter 4.
The invention has the advantages that:
(1) The structure is simple, the manufacture is convenient, and the production cost is low;
(2) The folding and unfolding of the arm are realized in a mode of compressing the spring by the sliding piece, and the use is convenient;
(3) The structural strength is high, the structural shape of the upper column of the fixing piece can be designed according to the requirements, and the fixing piece can bear larger load;
(4) The folding piece can be used for multiple parts in a tube mode, is easy to lighten and is suitable for unmanned aerial vehicles.
Drawings
FIG. 1 is a schematic view of the overall structure of a multi-rotor unmanned aerial vehicle of the present invention;
FIG. 2 is an exploded view of the horn fold of the present invention;
FIG. 3 is an assembled cross-sectional view of the horn fold of the present invention;
FIG. 4 is a schematic view of a horn connector of the present invention;
FIG. 5 is a schematic view of a horn fold slider of the present invention;
FIG. 6 is a schematic view of a horn fold limiter of the present invention;
FIG. 7 is a schematic view of a horn fold mount of the present invention;
fig. 8 is a schematic diagram of the working process of the arm folding member according to the present invention, wherein (a) and (b) are respectively in three working states.
Detailed Description
One embodiment of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the multi-rotor unmanned aerial vehicle comprises a central panel D, a plurality of horn B uniformly distributed around the central panel D, wherein the horn B is connected with the central panel D through a folding piece C, and a motor and a propeller a are fixed at the end part of each horn; below the centre plate is arranged a landing gear E.
Referring to fig. 2-7, the multi-rotor unmanned aerial vehicle horn folding member C of the present invention is connected with a horn through a horn connecting member 1, and comprises a horn connecting member 1, a spring 2, a sliding member 3, a limiting member 4, a fixing member 5 and a pin shaft 6, wherein,
the horn connecting piece 1 is in a stepped shaft shape, the front part 11 of the horn connecting piece is used for fixing the horn through the locking structure 111, the outer diameter of the rear part 12 is smaller than that of the front part 11, the inner part of the rear part 12 is provided with an inner thread 121, and the spring 2 is sleeved on the rear part 12;
the sliding part 3 comprises a lower half part 31 and an upper half part 32, a fixed hole is formed in the lower half part 32, the sliding part 3 is sleeved outside the spring 2 through a through hole, and a hole end 311 of the through hole is matched with the rear part 12 of the horn connecting piece 1 on the horn connecting piece 1;
the front end of the limiting piece 4 is provided with an external thread 41, and the external thread 41 of the limiting piece 4 is matched with the internal thread 121 of the horn connecting piece 1; the rear end is provided with a boss 42 so that the axial position of the slider 3 is limited by the boss 42; a through hole 421 is formed in the boss 42;
the fixing piece 5 comprises a main body part 501 for fixing the folding mechanism on the frame, a fixing column 502 extends out of the upper part of the main body part 501, and the outer diameter of the fixing column 502 is matched with the inner diameter of a fixing hole on the upper half part 32 of the sliding piece 3; an ear 503 for mounting the pin shaft 6 is arranged on the main body 501, and a through hole 421 on the limiting piece 4 is connected with the ear 503 on the fixing piece 5 through the pin shaft 6, so that the folding mechanism and the arm can rotate around the pin shaft 6; one end of the spring 2 is limited by the rear end of the rear part 12 of the horn connector 1, and the other end is limited by the boss of the limiter 4.
As shown in fig. 8, the working process of the arm from the unfolded state to the folded state is as follows:
the first state is a horn unfolding state, and the sliding part 3 connects the horn with the fixing part 5 to ensure the horn to be unfolded; when the sliding part 3 moves along the arrow direction and reaches the second position, the sliding part 3 is separated from the fixed part 5, the spring 2 is compressed, and the arm can rotate around the pin shaft 6 along the arrow direction; at this time, the arm is folded to reach the state (three) position, and the slider 3 is restored to its position by the spring 2.
The working process of the horn from the folded state to the unfolded state is opposite: pulling the sliding piece 3 at the third position, compressing the spring 2, and enabling the arm to rotate upwards around the pin shaft 6 to reach the second position; at this time, the sliding member 3 is released, and the sliding member 3 moves to the state (one) position under the action of the spring 2, so that the arm is unfolded.
Claims (1)
1. The multi-rotor unmanned aerial vehicle comprises a plurality of horn connected with a central plate through folding pieces, and is characterized in that the folding pieces comprise a horn connecting piece (1), a spring (2), a sliding piece (3), a limiting piece (4), a fixing piece (5) and a pin shaft (6), wherein,
the horn connecting piece (1) is in a stepped shaft shape, the front part (11) of the horn connecting piece is used for fixing the horn through the locking structure (111), the outer diameter of the rear part (12) is smaller than that of the front part (11), the inside of the rear part (12) is provided with an internal thread (121), and the spring (2) is sleeved on the rear part (12);
the sliding part (3) comprises a lower half part (31) and an upper half part (32), a fixed hole is formed in the upper half part (32), the sliding part (3) is sleeved outside the spring (2) through a through hole, and a hole end (311) of the through hole is matched with the rear part (12) of the horn connecting piece (1) on the horn connecting piece (1);
the front end of the limiting piece (4) is provided with an external thread (41), and the external thread (41) of the limiting piece (4) is matched with an internal thread (121) of the horn connecting piece (1); the rear end is provided with a boss (42) so that the axial position of the sliding part (3) is limited by the boss (42); a through hole (421) is formed on the boss (42);
the fixing piece (5) comprises a main body part (501) for fixing the folding mechanism on the frame, a fixing column (502) extends out of the upper part of the main body part (501), and the outer diameter of the fixing column (502) is matched with the inner diameter of a fixing hole in the upper half part (32) of the sliding piece (3); an ear (503) for installing a pin shaft (6) is arranged on the main body part (501), and a through hole (421) on the limiting part (4) is connected with the ear (503) on the fixing part (5) through the pin shaft (6), so that the folding mechanism and the arm can rotate around the pin shaft (6); one end of the spring (2) is limited by the rear end of the rear part (12) of the horn connecting piece (1), and the other end is limited by the boss of the limiting piece (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710196853.0A CN106828870B (en) | 2017-03-29 | 2017-03-29 | Multi-rotor unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710196853.0A CN106828870B (en) | 2017-03-29 | 2017-03-29 | Multi-rotor unmanned aerial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106828870A CN106828870A (en) | 2017-06-13 |
| CN106828870B true CN106828870B (en) | 2023-12-12 |
Family
ID=59141796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710196853.0A Active CN106828870B (en) | 2017-03-29 | 2017-03-29 | Multi-rotor unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106828870B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472504B (en) * | 2017-08-10 | 2023-11-14 | 山河星航实业股份有限公司 | Horizontal quick folding mechanism of many rotor unmanned aerial vehicle horn |
| CN108128441B (en) * | 2017-12-28 | 2023-12-05 | 成都优艾维智能科技有限责任公司 | Threaded unmanned aerial vehicle horn folding mechanism with self-locking function |
| CN108860564B (en) * | 2018-06-21 | 2021-08-20 | 上海歌尔泰克机器人有限公司 | Unmanned aerial vehicle and horn beta structure thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109679A (en) * | 2015-08-23 | 2015-12-02 | 张子林 | Locking component and multi-rotor unmanned aerial vehicle |
| CN204871580U (en) * | 2015-07-15 | 2015-12-16 | 零度智控（北京）智能科技有限公司 | Unmanned vehicles horn adjusting device |
| CN105857604A (en) * | 2016-04-08 | 2016-08-17 | 四川克瑞斯航空科技有限公司 | Multi-rotor unmanned aerial vehicle with foldable vehicle arms |
| CN106240794A (en) * | 2016-08-24 | 2016-12-21 | 泰华伟业科技有限责任公司 | A kind of many rotor wing unmanned aerial vehicles horn folds device |
| WO2017008706A1 (en) * | 2015-07-15 | 2017-01-19 | 广州天翔航空科技有限公司 | Rotary locking mechanism and plant protection unmanned aerial vehicle having same |
| CN206606348U (en) * | 2017-03-29 | 2017-11-03 | 泰华伟业科技有限责任公司 | A kind of multi-rotor unmanned aerial vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9573683B2 (en) * | 2014-04-28 | 2017-02-21 | Arch-Aerial, Llc | Collapsible multi-rotor UAV |
| US10011354B2 (en) * | 2014-12-18 | 2018-07-03 | Gopro, Inc. | Self-enclosed air vehicle |
-
2017
- 2017-03-29 CN CN201710196853.0A patent/CN106828870B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204871580U (en) * | 2015-07-15 | 2015-12-16 | 零度智控（北京）智能科技有限公司 | Unmanned vehicles horn adjusting device |
| WO2017008706A1 (en) * | 2015-07-15 | 2017-01-19 | 广州天翔航空科技有限公司 | Rotary locking mechanism and plant protection unmanned aerial vehicle having same |
| CN105109679A (en) * | 2015-08-23 | 2015-12-02 | 张子林 | Locking component and multi-rotor unmanned aerial vehicle |
| CN105857604A (en) * | 2016-04-08 | 2016-08-17 | 四川克瑞斯航空科技有限公司 | Multi-rotor unmanned aerial vehicle with foldable vehicle arms |
| CN106240794A (en) * | 2016-08-24 | 2016-12-21 | 泰华伟业科技有限责任公司 | A kind of many rotor wing unmanned aerial vehicles horn folds device |
| CN206606348U (en) * | 2017-03-29 | 2017-11-03 | 泰华伟业科技有限责任公司 | A kind of multi-rotor unmanned aerial vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 包晓翔 ; 张云飞 ; 杨晓树.新型折叠翼机构设计.北京航空航天大学学报.2014,第40卷(第8期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106828870A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106828870B (en) | Multi-rotor unmanned aerial vehicle | |
| CN106927017B (en) | Multi-rotor unmanned aerial vehicle horn folding mechanism | |
| US10640199B2 (en) | Wheel and gear assembly | |
| EP2803569B1 (en) | Aircraft selectively engageable electric taxi system | |
| CN110683049B (en) | Hub device for small-sized tilt rotor aircraft | |
| CN112224407A (en) | Flapping wing aircraft | |
| CN105555663A (en) | Drive system for aircraft landing gear | |
| US20200339254A1 (en) | Rotor systems and methods | |
| CN107600415B (en) | Tilting type high-mobility unmanned aerial vehicle adopting cross-pitch-variable rotor wing structure | |
| US9708056B2 (en) | Wheel drive unit for attachment to an aircraft running gear | |
| US10526069B1 (en) | Collapsible large diameter propeller for quiet aircraft | |
| CN207748004U (en) | A kind of quadrotor drone cantilever fast folding control mechanism | |
| CN206606348U (en) | A kind of multi-rotor unmanned aerial vehicle | |
| CN112607007A (en) | Shock attenuation undercarriage and many rotor unmanned aerial vehicle | |
| CN206606347U (en) | A kind of multi-rotor unmanned aerial vehicle horn fold mechanism | |
| CN211731789U (en) | Wing deformation mechanism | |
| CN207644638U (en) | A kind of coaxial unmanned plane for reversely rotating double-output transmission device and using the device | |
| CN112357056A (en) | Wing folding mechanism, wing device and unmanned aerial vehicle | |
| CN105797389A (en) | Multi-propeller control system of model airplane | |
| CN105771273A (en) | Model airplane multi-propeller control system | |
| CN214729628U (en) | Shock attenuation undercarriage and many rotor unmanned aerial vehicle | |
| CN219545066U (en) | Tilting mechanism capable of passing through transmission system | |
| CN204131303U (en) | Power equipment rotor main shaft is without moment of flexure drive mechanism | |
| CN216424669U (en) | Symmetric power system and electric vehicle thereof | |
| CN213566477U (en) | Rotor folding device and aircraft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231109 Address after: 053207 Courtyard 2669 Jixin West Road, Jizhou District, Hengshui City, Hebei Province Applicant after: Hebei Quanjiang Technology Co.,Ltd. Address before: No.2669, Jixin West Road, Jizhou District, Hengshui City, Hebei Province 053200 Applicant before: TAIHUA WEIYE TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |