CN211844922U - Differential gear train mechanism of many rotor unmanned aerial vehicle in good time speed governing - Google Patents
Differential gear train mechanism of many rotor unmanned aerial vehicle in good time speed governing Download PDFInfo
- Publication number
- CN211844922U CN211844922U CN201920546374.1U CN201920546374U CN211844922U CN 211844922 U CN211844922 U CN 211844922U CN 201920546374 U CN201920546374 U CN 201920546374U CN 211844922 U CN211844922 U CN 211844922U
- Authority
- CN
- China
- Prior art keywords
- unmanned aerial
- aerial vehicle
- rotor
- transmission mechanism
- bevel gear
- 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
Images
Landscapes
- Gear Transmission (AREA)
- Toys (AREA)
Abstract
A differential gear train mechanism for timely speed regulation of a multi-rotor unmanned aerial vehicle belongs to the technical field of unmanned aerial vehicles. The utility model discloses a differential speed gear train mechanism of a direct-drive multi-rotor unmanned aerial vehicle, which can be adjusted in time, and comprises an engine (or a motor), a differential transmission mechanism and a propeller (or a rotor); the power output shaft of the engine (or the motor) is connected with the power input shaft of the differential transmission mechanism, and the power output shaft of the differential transmission mechanism is connected with the propeller (or the rotor wing) in a one-way or fixed mode, so that the pitching, rolling, yawing and other movements of the unmanned aerial vehicle can be realized under the condition that the rotating speed of the engine (or the motor) is not changed. The utility model discloses effectively solved many engine speed that present directly drive many rotor unmanned aerial vehicle existence and be difficult to the problem that keeps unanimous, greatly reduced unmanned aerial vehicle's the influence of position change and the coupling nature that the gesture changes to control structure in the under-actuated system, make control more accurate, improve unmanned aerial vehicle's flexibility and anti-wind ability of disturbing.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle train mechanism, very much be a differential train mechanism of many rotor unmanned aerial vehicle in good time speed governing, belong to unmanned air vehicle technical field.
Background
Compared with other unmanned aerial vehicles, the multi-rotor unmanned aerial vehicle has the advantage of being extremely thick, and compared with a fixed-wing aircraft, the multi-rotor unmanned aerial vehicle has the characteristics of being capable of taking off and landing vertically and hovering at a fixed point; compared with a single-rotor helicopter, the multi-rotor unmanned aerial vehicle has no tail rotor device, and has the advantages of simple structure, high safety, low use cost and the like. Its a great deal of advantage makes many rotor unmanned aerial vehicle obtain extensive application.
At present, many rotor unmanned aerial vehicle mainly uses electronically as leading, need not mechanical transmission, but because the restriction of battery energy, payload can not enlarge, consequently research oil moves many rotors and has important meaning. The oil-driven multi-rotor unmanned aerial vehicle can be divided into an oil-driven variable pitch and an oil-driven direct drive according to a control mode. The oil-driven variable pitch has complex structure, difficult operation and control, great difficulty in maintenance and high requirement on operators; and common oil moves unmanned aerial vehicle and directly drives the type, adopts a plurality of engines to provide power, and every engine drives a rotor, and the pitch is fixed, changes the rotor rotational speed through adjusting engine speed, and then changes lift. However, the method has the defects of large number of engines, difficult balance control, large maintenance workload, low engine working efficiency and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a differential gear train drive mechanism of many rotor unmanned aerial vehicle in good time speed governing has solved each rotor speed control of current oil-driven many rotor unmanned aerial vehicle and has been difficult to guarantee unanimous problem. The gear train has the advantages of simple structure, accurate control, high reliability and stability and the like.
The technical scheme of the utility model is to provide a differential gear train mechanism for timely speed regulation of a multi-rotor unmanned aerial vehicle, which mainly comprises an engine or a motor 6, a differential transmission mechanism 2 and a propeller or a rotor blade 1; the method is characterized in that: the power output shaft of the engine or the motor is connected with the power input shaft of the differential transmission mechanism, and the power output shaft of the differential transmission mechanism is rotatably provided with a propeller or a rotor blade.
The differential transmission mechanism 2 comprises a gear box body 4, a bevel gear 5, a bevel gear 9, a bevel gear 10, a worm wheel 7, a worm 3 and a speed regulating motor 8; the bevel gear consists of an input bevel gear 5, two transition bevel gears 9 and an output bevel gear 10. The power output shaft of the engine or the motor 6 is connected with the power input shaft of the input bevel gear 5, the power input shaft of the input bevel gear 5 is rotationally connected with the gear box body, the input bevel gear 5 is simultaneously meshed with the two transition bevel gears 9, the two transition bevel gears 9 are rotationally connected with the gear box body 4 through respective gear shafts, the two transition bevel gears 9 are simultaneously meshed with the output bevel gear 10, the power output shaft of the output bevel gear 10 is rotationally connected with the gear box body 4, and the output bevel gear 10 is rotationally connected with the worm wheel 7; the worm wheel 7 is fixedly connected with the box body 4; the power output shaft of the output bevel gear 10 is fixedly or unidirectionally connected with the propeller or the rotor blade 1, the worm wheel 7 is meshed with the worm 3, and one end of the worm 3 is connected with the output shaft of the speed regulating motor 8. The differential transmission mechanism 2 is arranged in the differential transmission mechanism case 11.
The utility model discloses beneficial effect for prior art is: the utility model has the advantages that the differential gear train mechanism with timely speed regulation enables the propellers or rotor blades to reach the rotating speed required by flight, and when the unmanned aerial vehicle vertically moves (i.e. takes off, lands and hovers), the rotating speeds of the propellers or rotor blades are consistent; when the movement with other degrees of freedom such as pitching, rolling, yawing and the like is required, the movement can be realized without changing the rotating speed of the engine or the motor. The problem of the rotational speed when effectively having solved current many rotor unmanned aerial vehicle that directly drives there is engine direct drive screw or rotor blade be difficult to keep unanimous is solved, greatly reduced unmanned aerial vehicle's the underactuated system in the position change and the gesture change have stronger coupling nature to control structure's influence for control is more accurate, improves unmanned aerial vehicle's flexibility and anti-wind ability of disturbing.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
the names and labels of the components in the above figures are summarized as follows:
the device comprises a propeller or rotor blade 1, a differential transmission mechanism 2, a worm 3, a gear box body 4, an input bevel gear 5, an engine or motor 6, a worm wheel 7, a speed regulating motor 8, a transition bevel gear 9, an output bevel gear 10 and a differential transmission mechanism box body 11.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but not limited thereto, and all modifications or equivalent replacements of the technical solution of the present invention are included in the protection scope of the present invention without departing from the spirit and scope of the technical solution of the present invention.
The first embodiment is as follows: as shown in fig. 1, the present embodiment discloses a differential gear train mechanism for timely speed regulation of a multi-rotor unmanned aerial vehicle, which comprises an engine or motor 6, a differential transmission mechanism 2 and a propeller or rotor blade 1; the power output shaft of the engine or the motor 6 is connected with the power input shaft of the differential transmission mechanism 2, and the power output shaft of the differential transmission mechanism 2 is fixedly or unidirectionally provided with a propeller or a rotor blade 1.
The second embodiment is as follows: as shown in fig. 1, in a differential gear train mechanism for timely speed regulation of a multi-rotor unmanned aerial vehicle according to a first embodiment, the differential transmission mechanism 2 includes a gear box 4, a bevel gear 5, a bevel gear 9, a bevel gear 10, a worm wheel 7, a worm 3, and a speed regulation motor 8; the four bevel gears consist of an input bevel gear 5, two transition bevel gears 9 and an output bevel gear 10; the power output shaft of the engine or the motor 6 is connected with the power input shaft of the input bevel gear 5, and the power input shaft of the input bevel gear 5 is rotationally connected with the gear box body 4; the input bevel gear 5 is meshed with two transition bevel gears 9 at the same time, the two transition bevel gears 9 are rotationally connected with the gear box body 4 through respective gear shafts, and the two transition bevel gears 9 are meshed with the output bevel gear 10 at the same time;
the third concrete implementation mode: as shown in fig. 1, in a differential gear train mechanism for timely speed regulation of a multi-rotor unmanned aerial vehicle according to a first embodiment, a power output shaft of an output bevel gear 10 is rotatably connected with a gear box 4, and the output bevel gear 10 is rotatably connected with a worm 7; the worm wheel 7 is fixedly connected with the box body 4; the power output shaft of the output bevel gear 10 is fixedly or unidirectionally connected with the propeller or the rotor blade 1, the worm wheel 7 is meshed with the worm 3, and one end of the worm 3 is connected with the output shaft of the speed regulating motor 8. The differential transmission mechanism 2 is arranged in the differential transmission mechanism case 11.
The working principle is as follows: the engine or the motor 6 transmits power to the propeller or the rotor blade 1 through a set of differential transmission mechanism 2, and the rotating speed of the propeller or the rotor blade 1 is equal to the synthesis of the rotating speed of the engine or the motor 6 and the rotating speed of the worm wheel 7.
Claims (3)
1. A differential gear train mechanism for timely speed regulation of a multi-rotor unmanned aerial vehicle comprises an engine or a motor (6), a differential transmission mechanism (2) and a propeller or a rotor (1); the method is characterized in that: the power output shaft of the engine or the motor (6) is connected with the power input shaft of the differential transmission mechanism (2), and the power output shaft of the differential transmission mechanism (2) is unidirectionally or fixedly provided with a propeller or a rotor wing (1).
2. The timely speed-regulating differential gear train mechanism of multi-rotor unmanned aerial vehicle according to claim 1, characterized in that: the differential transmission mechanism (2) comprises a gear box body (4), bevel gears (5, 9 and 10), a worm wheel (7), a worm (3) and a speed regulating motor (8); the bevel gear consists of an input bevel gear (5), two transition bevel gears (9) and an output bevel gear (10); a power output shaft of the engine or the motor (6) is connected with a power input shaft of the input bevel gear (5), and the power input shaft of the input bevel gear (5) is rotationally connected with the gear box body (4); the input bevel gear (5) is meshed with the two transition bevel gears (9) at the same time, the two transition bevel gears (9) are rotationally connected with the gear box body (4) through respective gear shafts, and the two transition bevel gears (9) are meshed with the output bevel gear (10) at the same time.
3. The timely speed-regulating differential gear train mechanism of multi-rotor unmanned aerial vehicle according to claim 2, characterized in that: the power output shaft of the output bevel gear (10) is rotationally connected with the gear box body (4), and the output bevel gear (10) is rotationally connected with the worm wheel (7); the worm wheel (7) is fixedly connected with the box body (4); the power output shaft of the output bevel gear (10) is fixedly or unidirectionally connected with the propeller or the rotor (1), the worm wheel (7) is meshed with the worm (3), one end of the worm (3) is connected with the output shaft of the speed regulating motor (8), and the differential transmission mechanism (2) is arranged in the differential transmission mechanism box body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920546374.1U CN211844922U (en) | 2019-04-25 | 2019-04-25 | Differential gear train mechanism of many rotor unmanned aerial vehicle in good time speed governing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920546374.1U CN211844922U (en) | 2019-04-25 | 2019-04-25 | Differential gear train mechanism of many rotor unmanned aerial vehicle in good time speed governing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211844922U true CN211844922U (en) | 2020-11-03 |
Family
ID=73130914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920546374.1U Active CN211844922U (en) | 2019-04-25 | 2019-04-25 | Differential gear train mechanism of many rotor unmanned aerial vehicle in good time speed governing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211844922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846252A (en) * | 2019-04-25 | 2020-10-30 | 黑龙江翼飞科技有限公司 | Differential gear train mechanism of many rotor unmanned aerial vehicle in good time speed governing |
-
2019
- 2019-04-25 CN CN201920546374.1U patent/CN211844922U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846252A (en) * | 2019-04-25 | 2020-10-30 | 黑龙江翼飞科技有限公司 | Differential gear train mechanism of many rotor unmanned aerial vehicle in good time speed governing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106927030B (en) | Oil-electricity hybrid power multi-rotor aircraft and flight control method thereof | |
| CN201729271U (en) | Twin-propeller vertical duct controlled tiltrotor aircraft | |
| CN106428548A (en) | Vertical take-off and landing unmanned aerial vehicle | |
| CN106585976A (en) | Aircraft layout of tilt rotors/lift fan during high-speed long endurance | |
| CN104176247A (en) | Four-rotor unmanned aerial vehicle with engine for directly driving rotor | |
| CN107662702B (en) | Hybrid power double-coaxial same-side reverse tilting rotor aircraft | |
| CN103010463A (en) | High-speed coaxial tilting double-rotor-wing flying wing machine | |
| CN101643116A (en) | Tiltrotor controlled by double-propeller vertical duct | |
| CN105644776A (en) | Multi-rotor unmanned helicopter | |
| CN103991539A (en) | Device for driving multiple rotors of airplane | |
| CN102490897B (en) | Multi-driving embedded rotor manned helicopter | |
| CN206704537U (en) | A kind of fixed-wing unmanned plane | |
| CN108313285A (en) | Propeller tilting mechanism | |
| CN103072690A (en) | Single-ducted coaxial rotor/propeller saucer-shaped aircraft | |
| CN206125421U (en) | VTOL unmanned vehicles | |
| CN105173076B (en) | A kind of vertical take-off and landing drone | |
| CN110228587A (en) | Pitch-varying system and unmanned aerial vehicle | |
| CN103754360A (en) | Similar flying saucer type rotaplane | |
| CN206327567U (en) | A kind of compound unmanned vehicle | |
| CN211844922U (en) | Differential gear train mechanism of many rotor unmanned aerial vehicle in good time speed governing | |
| CN103832584B (en) | A kind of with fixed wing, collapsible empennage to switch rotor aircraft | |
| CN112340032A (en) | Hybrid four-duct manned aircraft | |
| CN107662703B (en) | Electric double-coaxial same-side reverse tilting rotor aircraft | |
| CN204223177U (en) | A kind of vertically taking off and landing flyer | |
| UA94184U (en) | Unmanned convertiplane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |