CN106542077A - A kind of frame of multi-rotor unmanned aerial vehicle - Google Patents
A kind of frame of multi-rotor unmanned aerial vehicle Download PDFInfo
- Publication number
- CN106542077A CN106542077A CN201610937188.1A CN201610937188A CN106542077A CN 106542077 A CN106542077 A CN 106542077A CN 201610937188 A CN201610937188 A CN 201610937188A CN 106542077 A CN106542077 A CN 106542077A
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- Prior art keywords
- horn
- aerial vehicle
- unmanned aerial
- connector
- frame
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- 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
- B64C1/06—Frames; Stringers; Longerons ; Fuselage sections
- B64C1/061—Frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
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Abstract
This application discloses a kind of frame of multi-rotor unmanned aerial vehicle, which includes：Central part, it include a polygon disk and with the integrally formed multiple pipe clamps of the polygon disk, the polygon disk includes the cavity for inner hollow；Multigroup horn, per group of horn include at least two first horns being arranged side by side, and one end of per group of horn is inserted in each described pipe clamp of the central part, and first horn is set to tubular structure；And multiple motor cabinets, each motor cabinet is fixed on the other end of per group of horn, for fixing the motor of multi-rotor unmanned aerial vehicle.The distribution form that the frame is combined with multigroup horn using a central part, and by reasonably arranging the physical dimension of each part, make frame that there is while complete machine oscillation mode is met obvious weight loss effect, and be easy to dismount and safeguard, reliability is high, it is adaptable to produce in batches.
Description
Technical field
The present invention relates to unmanned air vehicle technique field, more particularly to a kind of frame of multi-rotor unmanned aerial vehicle.
Background technology
Multi-rotor unmanned aerial vehicle mainly includes multiple motors and propeller, flight control assemblies and carrying cabin, and passes through frame
Couple together.Multi-rotor unmanned aerial vehicle can be widely applied to pinpoint in the air monitoring, monitoring, shooting, environment monitoring, field scientific investigation,
The fields such as case investigation, city management, garden security protection, vehicle anti-theft, express delivery transport.
The frame of multi-rotor unmanned aerial vehicle has several structural modelss at present：One is, using moulding overall structure, to be adapted to large quantities of
Amount production, and small light-load unmanned plane；Two is composite material integral formed structure, general using manual manufacture, production efficiency
Slowly, and product quality is difficult to reappear, product reliability is difficult to control to；Three is plate stem combinative structure, and parts are more, and assembling is complicated,
And not easy care, structural reliability is low.If the sets of advantages of several rack construction patterns can get up to design unmanned plane by more than
Frame, will substantially improve the integrally-built mechanical performance of unmanned plane, or even improve the flight quality of unmanned plane.
The content of the invention
In view of drawbacks described above present in prior art or deficiency, the invention provides a kind of machine of multi-rotor unmanned aerial vehicle
Frame, which can at least improve the reliability of multi-rotor unmanned aerial vehicle frame.
According to an aspect of the present invention, there is provided a kind of frame of multi-rotor unmanned aerial vehicle, the frame include：Central part,
It include a polygon disk and with the integrally formed multiple pipe clamps of the polygon disk, the polygon disk includes inner hollow
Cavity；Multigroup horn, per group of horn include at least two first horns being arranged side by side, and per group of horn
One end is inserted in each described pipe clamp of the central part, and first horn is set to tubular structure；And multiple motor cabinets,
Each motor cabinet is fixed on the other end of per group of horn, for fixing the motor of multi-rotor unmanned aerial vehicle.
Preferably, the pipe clamp is arranged alternately corresponding to multiple sides of the polygon disk.
Preferably, the motor cabinet includes：Base, which has the interface of the motor of the fixation multi-rotor unmanned aerial vehicle；The
A connection piece, which is fixed as one with the base；And second connector, which is set to and the symmetrical cloth of first connector
Put to accommodate the other end of per group of horn, second connector is designed with the base split.
Preferably, first connector include at least two sections thin-walled circular arcs being arranged side by side and respectively along described at least
The flange engaging lug that the outer rim of two sections of thin-walled circular arcs stretches out, is respectively arranged with through hole at least two sections thin-walled circular arcs；
Second connector with the first connector symmetrical structure.
Preferably, the length of first horn is set to 1/8～1/2 times of wheelbase.
Preferably, the wall thickness of first horn is set to 0.5mm～8mm, and external diameter is set to 10mm～100mm.
Preferably, be provided with fixed part in the cavity of the inner hollow of the central part, for fix many rotors without
Man-machine control system hardware unit.
Preferably, the polygon disk includes symmetrically arranged two polygons disk half portion, and the pipe clamp is symmetrical by two
The pipe clamp half portion composition of setting, the plurality of pipe clamp half portion are set to stretch out along the outer rim of the polygon disk half portion.
Preferably, first horn and the central part are made using continuous fiber reinforced plastic.
Preferably, the cross section of first horn is circular or polygon.
The distribution form that the frame of the multi-rotor unmanned aerial vehicle of the present invention is combined with multigroup horn using a central part, and lead to
The physical dimension that each part is reasonably set is crossed, makes frame that there is while complete machine oscillation mode is met obvious loss of weight effect
Really, and it is easy to dismount and safeguards, reliability is high, it is adaptable to produce in batches.
Description of the drawings
The detailed description to non-limiting example made by referring to the following drawings, the further feature of the present invention, mesh
And advantage will become more apparent upon.Wherein show：
Fig. 1 is the structural representation of the frame of the multi-rotor unmanned aerial vehicle according to embodiments of the invention.
Fig. 2 is the structural representation of the motor cabinet of the frame shown in Fig. 1.
Specific embodiment
With reference to the accompanying drawings and examples the application is described in further detail.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that, in order to
It is easy to description, in accompanying drawing, illustrate only the part related to invention.
Fig. 1 is the structural representation of the frame of the multi-rotor unmanned aerial vehicle according to embodiments of the invention.As illustrated, frame
100 include central part 10, multigroup horn 20 and multiple motor cabinets 30.
Central part 10 includes a polygon disk 11 and multiple pipe clamps 12 integrally formed with polygon disk 11, polygon disk
11 cavitys for including inner hollow.Polygon disk 11 could be arranged to regular polygon structure, it is also possible to be set to non-regular polygon
Structure, is preferably the former, i.e. regular polygon structure.Pipe clamp 12 is arranged alternately corresponding to multiple sides of polygon disk 11.It is i.e. polygon
Shape disk 11 is a few side shapes, and the quantity of its integrally formed pipe clamp 12 is the half of the polygon edge number.
Every group of horn 20 includes at least two first horns being arranged side by side, and one end insertion center of every group of horn 20
In each pipe clamp 12 of part 10.First horn is set to tubular structure, and its cross section can be circular or polygon.This enforcement
Example is by taking circular cross section as an example.The group number of horn 20 is corresponding with the quantity of pipe clamp 12, and every group of horn 20 includes at least two first
Horn, preferably two, the present embodiment is so that every group of horn 20 includes two the first horns as an example.For example, polygon disk 11 is six
Side shape, then with three pipe clamps 12, each pipe clamp 12 connect one group of horn 20, can connect three groups of horns 20, every group of horn
20 include 2 the first horns, totally 6 the first horns.
Motor cabinet 30 is fixed on the other end of every group of horn 20, for fixing the motor of multi-rotor unmanned aerial vehicle.Motor cabinet 30
Including：Base 31, which has the interface of the motor of the fixation multi-rotor unmanned aerial vehicle；First connector 32, which is solid with base 31
It is set to one；And second connector 33, which is set to be arranged symmetrically to accommodate the another of every group of horn 20 with the first connector 32
One end, the second connector 33 are designed with 31 split of base.
Fig. 2 is the structural representation of the motor cabinet of the frame shown in Fig. 1.As illustrated, the first connector 32 is included side by side
At least two sections thin-walled circular arcs of arrangement and the flange engaging lug for stretching out along the outer rim of at least two sections of thin-walled circular arcs respectively, method
Through hole a is provided with blue engaging lug, on two sections of thin-walled circular arcs, through hole b, the other end pair of every group of horn 20 is respectively arranged with
Hole should be provided through；Second connector 33 with 32 symmetrical structure of the first connector.
For ease of assembly and disassembly, polygon disk 11 can include symmetrically arranged two polygons disk half portion, pipe clamp 12
It is made up of two symmetrically arranged pipe clamp half portions, multiple pipe clamp half portions are set to stretch out along the outer rim of polygon disk half portion,
And pipe clamp half portion is arranged alternately corresponding to multiple sides of polygon disk half portion.
Two symmetrically arranged polygon disk half portions of central part 10 and pipe clamp half portion are connected as one by securing member, its
Fixed part is provided with the cavity of inner hollow, for fixing the control system hardware unit of the multi-rotor unmanned aerial vehicle (in figure
It is not shown).
It is during assembling horn, in the pipe clamp 12 of the central part 10 for first having assembled one end insertion of one group of horn 20 and tight
Gu, then the other end of one group of horn 20 is inserted in the first connector 32, by passing through for bolt or pin insertion through hole b and horn
After boring a hole and fastening horn, then bolt or pin are passed through on the flange engaging lug of the second connector 33 and the first connector 32
Through hole a and be fixed together.
In addition, the cable between the control system hardware unit and motor of multi-rotor unmanned aerial vehicle passes through pipe clamp 12 and the first machine
The inside of arm is attached, flight that is not only attractive in appearance but also not affecting unmanned plane.
In order to frame 100 has higher stability and more preferable balance, the polygon disk half portion in this enforcement is for just
Dodecagon, to be more easily manufactured, but be not restricted to that the regular polygon shape, can also be regular hexagon, positive eight side
Shape or positive ten hexagon etc., or can also be anon-normal polygonal shape, depending on specific application scenario.
The frame 100 of the multi-rotor unmanned aerial vehicle in the embodiment of the present invention adopts the group of a central part 10 and multigroup horn 20
Box-like structure, it is easy to which dismounting and maintenance, reliability are higher.
The physical dimension of horn 20 is described below in detail.
Horn 20 at least subjects the bending formed by the gravity of propeller lift and motor during unmanned plane during flying
Torque and torsional moment, its rigidity and intensity are had a major impact to flight quality.The other end of every group of horn 20 is connected with motor
Seat 30, the interface of motor cabinet 30 are used to fix motor, and propeller is connected with the output shaft of motor.During unmanned plane during flying,
Two relative propellers are non-interference.Therefore, the length dimension of propeller is less than or equal to wheelbase h, and wheelbase h is by multiple electricity
The central axis diameter of a circle that constituted of the output shaft of multiple motors of the connection of support 30 around central part 10.
Through verification experimental verification, when the cross section of the first horn is circular, its length L is preferably arranged to wheelbase to the present embodiment
1/8～1/2 times of h, and the wall thickness of its tube wall is set to 0.5mm～8mm, external diameter is set to 10mm～100mm, can meet whole
The mode of oscillation of machine is required.
In addition, the first horn and central part 10 preferentially can be made using continuous fiber reinforced plastic, such as glass fibre
Reinforced epoxy, fibre reinforced epoxy etc..During using connection fibre reinforced plastics, can be using molding or the manufacture of RTM techniques
Central part, manufactures the first horn using techniques such as pultrusion, winding, dematrons, can not only improve production efficiency, and as fiber contains
Amount is high, and excellent mechanical, product manufacturing are easily reappeared, and quality stability is high, and has obvious weight loss effect.First horn
Can also be made using metal material with central part 10, depending on specific applicable situation.
The frame 100 of the multi-rotor unmanned aerial vehicle in the embodiment of the present invention is more suitable for big load unmanned plane relative to moulding to be made
With, relative to the frame of composite material integral formed, single mold production efficiency brought up to a few minutes by 1.5 hours or so, and
Product quality is reproducible, and product reliability is easily controllable, it is adaptable to produce in batches.
Above description is only the preferred embodiment and the explanation to institute's application technology principle of the application.People in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, while should also cover in the case of without departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent feature
Combination in any and other technical schemes for being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (10)
1. a kind of frame of multi-rotor unmanned aerial vehicle, it is characterised in that the frame includes：
Central part, it include a polygon disk and with the integrally formed multiple pipe clamps of the polygon disk, the polygon disk
Including the cavity of inner hollow；
Multigroup horn, per group of horn include at least two first horns being arranged side by side, and the one of per group of horn
In each described pipe clamp of the end insertion central part, first horn is set to tubular structure；And
Multiple motor cabinets, each motor cabinet are fixed on the other end of per group of horn, for fixing multi-rotor unmanned aerial vehicle
Motor.
2. frame according to claim 1, it is characterised in that the pipe clamp is handed over corresponding to multiple sides of the polygon disk
For setting.
3. frame according to claim 1, it is characterised in that the motor cabinet includes：
Base, which has the interface of the motor of the fixation multi-rotor unmanned aerial vehicle；
First connector, which is fixed as one with the base；And
Second connector, which is set to be arranged symmetrically to accommodate the other end of per group of horn, institute with first connector
State the second connector to design with the base split.
4. frame according to claim 3, it is characterised in that first connector includes at least two sections for being arranged side by side
Thin-walled circular arc and the flange engaging lug that the outer rim of at least two sections of thin-walled circular arcs described in stretches out respectively, described at least two sections
Through hole is respectively arranged with thin-walled circular arc；Second connector with the first connector symmetrical structure.
5. frame according to claim 3, it is characterised in that the length of first horn be set to wheelbase 1/8～
1/2 times.
6. frame according to claim 5, it is characterised in that the wall thickness of first horn is set to 0.5mm～8mm,
External diameter is set to 10mm～100mm.
7. frame according to claim 1, it is characterised in that be provided with the cavity of the inner hollow of the central part solid
Determine portion, for fixing the control system hardware unit of the multi-rotor unmanned aerial vehicle.
8. the frame according to any one of claim 1 to 7, it is characterised in that the polygon disk includes symmetrically arranged
Two polygon disk half portions, the pipe clamp are made up of two symmetrically arranged pipe clamp half portions, and the plurality of pipe clamp half portion is set to
Outer rim along the polygon disk half portion stretches out.
9. frame according to claim 8, it is characterised in that first horn and the central part adopt continuous fiber
Reinforced plastics is made.
10. frame according to claim 8, it is characterised in that the cross section of first horn is circular or polygon
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610937188.1A CN106542077A (en) | 2016-11-01 | 2016-11-01 | A kind of frame of multi-rotor unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610937188.1A CN106542077A (en) | 2016-11-01 | 2016-11-01 | A kind of frame of multi-rotor unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106542077A true CN106542077A (en) | 2017-03-29 |
Family
ID=58392955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610937188.1A Pending CN106542077A (en) | 2016-11-01 | 2016-11-01 | A kind of frame of multi-rotor unmanned aerial vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN106542077A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902070A (en) * | 2017-10-27 | 2018-04-13 | 陈淇健 | A kind of frame central part and the multi-rotor unmanned aerial vehicle based on the frame central part |
| CN108928469A (en) * | 2018-06-26 | 2018-12-04 | 西华大学 | A kind of modularized combination type multi-rotor unmanned aerial vehicle |
| CN109484612A (en) * | 2018-12-24 | 2019-03-19 | 沈阳旋飞航空技术有限公司 | A kind of pole bracket for the dynamic unmanned plane of oil |
| WO2019227439A1 (en) * | 2018-05-31 | 2019-12-05 | 深圳市大疆创新科技有限公司 | Fuselage, vehicle arm, rotor assembly, airframe, and multi-rotor unmanned aerial vehicle |
| WO2021217437A1 (en) * | 2020-04-28 | 2021-11-04 | 深圳市大疆创新科技有限公司 | Vibration mode optimization method, vibration mode optimization device and unmanned aerial vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203342367U (en) * | 2013-07-01 | 2013-12-18 | 昊翔电能运动科技(昆山)有限公司 | Multiaxial flying machine |
| CN105151290A (en) * | 2015-10-22 | 2015-12-16 | 朱丽芬 | High-altitude posture stable quadrotor unmanned plane |
| CN205293072U (en) * | 2015-10-30 | 2016-06-08 | 深圳高启科技有限公司 | Folded cascade unmanned aerial vehicle propeller arrangement |
| CN205499318U (en) * | 2016-02-04 | 2016-08-24 | 顺丰科技有限公司 | Many rotor unmanned aerial vehicle frame centre piece |
| CN206288231U (en) * | 2016-11-01 | 2017-06-30 | 顺丰科技有限公司 | A kind of frame of multi-rotor unmanned aerial vehicle |
-
2016
- 2016-11-01 CN CN201610937188.1A patent/CN106542077A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203342367U (en) * | 2013-07-01 | 2013-12-18 | 昊翔电能运动科技(昆山)有限公司 | Multiaxial flying machine |
| CN105151290A (en) * | 2015-10-22 | 2015-12-16 | 朱丽芬 | High-altitude posture stable quadrotor unmanned plane |
| CN205293072U (en) * | 2015-10-30 | 2016-06-08 | 深圳高启科技有限公司 | Folded cascade unmanned aerial vehicle propeller arrangement |
| CN205499318U (en) * | 2016-02-04 | 2016-08-24 | 顺丰科技有限公司 | Many rotor unmanned aerial vehicle frame centre piece |
| CN206288231U (en) * | 2016-11-01 | 2017-06-30 | 顺丰科技有限公司 | A kind of frame of multi-rotor unmanned aerial vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902070A (en) * | 2017-10-27 | 2018-04-13 | 陈淇健 | A kind of frame central part and the multi-rotor unmanned aerial vehicle based on the frame central part |
| CN107902070B (en) * | 2017-10-27 | 2024-06-11 | 陈淇健 | Rack center piece and multi-rotor unmanned aerial vehicle based on same |
| WO2019227439A1 (en) * | 2018-05-31 | 2019-12-05 | 深圳市大疆创新科技有限公司 | Fuselage, vehicle arm, rotor assembly, airframe, and multi-rotor unmanned aerial vehicle |
| CN108928469A (en) * | 2018-06-26 | 2018-12-04 | 西华大学 | A kind of modularized combination type multi-rotor unmanned aerial vehicle |
| CN109484612A (en) * | 2018-12-24 | 2019-03-19 | 沈阳旋飞航空技术有限公司 | A kind of pole bracket for the dynamic unmanned plane of oil |
| WO2021217437A1 (en) * | 2020-04-28 | 2021-11-04 | 深圳市大疆创新科技有限公司 | Vibration mode optimization method, vibration mode optimization device and unmanned aerial vehicle |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170329 |
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| RJ01 | Rejection of invention patent application after publication |