CN113371210A

CN113371210A - Unmanned aerial vehicle torsion arm rotor mechanism

Info

Publication number: CN113371210A
Application number: CN202110856730.1A
Authority: CN
Inventors: 张磊
Original assignee: Ningbo Ares Automation Technology Co ltd
Current assignee: Ningbo Ares Automation Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-09-10
Anticipated expiration: 2041-07-28
Also published as: CN113371210B

Abstract

The invention discloses an unmanned aerial vehicle torsion arm rotor wing mechanism which comprises a fixed seat, wherein a transmission cavity is arranged in the fixed seat, the middle part of the transmission cavity is rotatably connected with a rotor shaft, one end, extending out of the fixed seat, of the rotor shaft is connected with a rotor head, the left side wall of an inner cavity of the transmission cavity is connected with a driving motor, the power output end of the driving motor is connected with a bevel gear, the outer wall of the rotor shaft is connected with a bevel gear ring, the bevel gear ring is meshed with the bevel gear, the outer wall of the fixed seat is connected with a controller, and a wireless communication module is arranged on the controller; the unmanned aerial vehicle lifting device is reasonable in structural design, convenient to operate, capable of reducing manufacturing cost, capable of guaranteeing stable lifting of the unmanned aerial vehicle and suitable for popularization and promotion.

Description

Unmanned aerial vehicle torsion arm rotor mechanism

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a torsion arm rotor wing mechanism of an unmanned aerial vehicle.

Background

A drone is an unmanned aircraft that is operated with a radio remote control device and self-contained program control, or is operated autonomously, either completely or intermittently, by an onboard computer. Drones tend to be more suitable for tasks that are too "fool, dirty, or dangerous" than are manned aircraft. Unmanned aerial vehicles can be classified into military and civil applications according to the application field. For military use, unmanned aerial vehicles divide into reconnaissance aircraft and target drone. In the civil aspect, the unmanned aerial vehicle + the industry application is really just needed by the unmanned aerial vehicle; at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, and the application of the unmanned aerial vehicle is greatly expanded.

Unmanned aerial vehicle torsion arm mechanism is arranged in main rotor mechanism, and the primary function is to connect transmission equipment and guiding mechanism, and the trailing ring rotates the tangential load transmission to the rotor shaft with rotor mechanism simultaneously. The existing torque arm rotor mechanism is complex in structure, high in machining and manufacturing cost, high in assembly process requirement and not beneficial to popularization and application when in use, and therefore the unmanned aerial vehicle torque arm rotor mechanism is provided.

Disclosure of Invention

The invention aims to provide a torsion arm rotor wing mechanism of an unmanned aerial vehicle, which aims to overcome the technical problems in the prior art.

In order to achieve the technical purpose and achieve the technical effect, the invention provides the following technical scheme:

the utility model provides an unmanned aerial vehicle torque arm rotor mechanism, includes the fixing base, be equipped with the transmission chamber in the fixing base, the middle part in transmission chamber is rotated and is connected with the rotor shaft, the one end that the rotor shaft stretches out the fixing base is connected with the rotor head, the inner chamber left side wall in transmission chamber is connected with driving motor, driving motor's power take off end is connected with bevel gear, the outer wall connection of rotor shaft has the awl ring gear, bevel gear is connected in the meshing of awl ring gear, the outer wall connection of fixing base has the controller, be equipped with wireless communication module on the controller.

Preferably, among an unmanned aerial vehicle torque arm rotor mechanism, the top of fixing base is equipped with the annular seat, it has the torque arm to articulate between annular seat bottom surface and the fixing base, install the ball pivot between annular seat inner wall and the rotor axle, the top of annular seat is equipped with slewing bearing, slewing bearing's inner circle bottom rigid coupling annular seat, slewing bearing's outer lane top is connected with the swivel mount, install the torque arm between the top left and right sides of swivel mount and the rotor axle, both ends articulate there is the gangbar, two about the swivel mount the upper end of gangbar articulates jointly has inclined to the swivel mount.

Preferably, among the unmanned aerial vehicle torque arm rotor mechanism, the groove of stepping down has been seted up at the center of transposition seat partially, the inslot that steps down is equipped with the joint frame, the slide has been seted up to transposition seat partially's top left and right sides symmetry, sliding connection has the slider in the slide, the slider top articulates there is the folding rod, the tooth's socket has been seted up to the preceding terminal surface on folding rod upper portion.

Preferably, in an unmanned aerial vehicle torque arm rotor mechanism, the circular slot has been seted up at both ends about the rotor head, the circular slot opening rotates and is connected with the cylinder seat, the clamping mouth has been seted up to the tip of cylinder seat, be connected with the paddle in the clamping mouth, the circumference lateral wall of cylinder seat is connected with straight ring gear, straight ring gear meshing connects the tooth's socket, the bottom left and right sides symmetric connection of rotor head has L shape pole, the horizontal end of L shape pole is connected with the guide pin bushing, the guide pin bushing is pegged graft in the activity of folding rod lower part.

Preferably, among an unmanned aerial vehicle torque arm rotor mechanism, the joint frame includes the axle sleeve, the outer wall spiro union of axle sleeve has fastening bolt, the locating hole with fastening bolt matched with is seted up to the rotor shaft outer wall, both ends are rotated around the axle sleeve and are connected with the fixed axle, fixed axle tip fixed connection groove inner wall of stepping down, the front side the outer wall connection of fixed axle has the worm wheel.

Preferably, in an unmanned aerial vehicle torque arm rotor mechanism, the outer wall connection of rotor shaft has the motor that turns to, the top power take off end that turns to the motor is connected with the worm, the worm wheel is connected in the worm meshing, the expansion helix angle of worm is less than the friction angle of worm wheel worm contact.

Preferably, in the unmanned aerial vehicle torsion arm rotor mechanism, the rotating frame and the deflecting seat are equal in length.

Preferably, in an unmanned aerial vehicle torque arm rotor mechanism, the slide adopts T type groove, the slider adopts T type piece.

Compared with the prior art, the invention has the beneficial effects that:

the unmanned aerial vehicle lifting device is reasonable in structural design, receives signals of a moving end through the wireless communication module, utilizes the bevel gear to engage the transmission bevel gear ring, enables the rotor shaft to drive the rotor head to rotate, utilizes the worm to engage the transmission worm gear, enables the fixed shaft to rotate on the shaft sleeve, enables the deflection seat to deflect and then enables the sliding block to move along the slide way, enables the two folding rods to respectively ascend and descend, and utilizes the tooth grooves to engage and connect the straight gear ring, so that an included angle between the paddle and the horizontal plane can be changed, and therefore lifting force generated by rotation can be adjusted.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the annular seat of the present invention;

FIG. 3 is a schematic top view of a deflector seat in accordance with the present invention;

FIG. 4 is a schematic view of the folding bar of the present invention;

FIG. 5 is a schematic view of a rotor head according to the present invention;

FIG. 6 is a schematic structural view of the clamping frame of the present invention;

fig. 7 is a partially enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a fixed seat; 2. a transmission cavity; 3. a rotor shaft; 4. a rotor head; 5. a drive motor; 6. a bevel gear; 7. a bevel gear ring; 8. a controller; 9. a wireless communication module; 10. an annular seat; 11. a torsion arm; 12. spherical hinge; 13. a slewing bearing; 14. a rotating frame; 15. a torsion arm; 16. a linkage rod; 17. a deflection seat; 18. a yielding groove; 19. a clamping frame; 20. a slideway; 21. a slider; 22. folding the rod; 23. a tooth socket; 24. a circular groove; 25. a cylindrical seat; 26. installing a clamping opening; 27. a paddle; 28. a straight gear ring; 29. an L-shaped rod; 30. a guide sleeve; 301. a steering motor; 302. a worm; 191. a shaft sleeve; 192. fastening a bolt; 193. a fixed shaft; 194. a worm gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Please refer to fig. 1-7, this embodiment is an unmanned aerial vehicle torque arm rotor mechanism, including fixing base 1, be equipped with transmission chamber 2 in the fixing base 1, the middle part of transmission chamber 2 is rotated and is connected with rotor shaft 3, the one end that rotor shaft 3 stretches out fixing base 1 is connected with rotor head 4, the inner chamber left side wall connection in transmission chamber 2 has driving motor 5, driving motor 5's power take off end is connected with bevel gear 6, rotor shaft 3's outer wall connection has bevel gear 7, bevel gear 6 is connected in the meshing of bevel gear 7, the outer wall connection of fixing base 1 has controller 8, be equipped with wireless communication module 9 on the controller 8, utilize wireless communication module 9 to receive and remove the end signal, and then make controller 8 drive electrical component move, and is easy to operate.

Circular slot 24 has been seted up at both ends about rotor head 4, circular slot 24 opening is rotated and is connected with cylinder seat 25, clamping mouth 26 has been seted up to the tip of cylinder seat 25, be connected with paddle 27 in the clamping mouth 26, the circumference lateral wall of cylinder seat 25 is connected with straight ring gear 28, straight ring gear 28 meshes and connects tooth's socket 23, the bottom left and right sides symmetric connection of rotor head 4 has L shape pole 29, the horizontal end of L shape pole 29 is connected with guide pin bushing 30, folding rod 22 lower part activity grafting guide pin bushing 30, utilize guide pin bushing 30 to lead, make things convenient for folding rod 22 vertical lift.

Example two

On the basis of the first embodiment, an annular seat 10 is arranged above a fixed seat 1, a torsion-proof arm 11 is hinged between the bottom surface of the annular seat 10 and the fixed seat 1, a spherical hinge 12 is arranged between the inner wall of the annular seat 10 and a rotor shaft 3, a slewing bearing 13 is arranged at the top of the annular seat 10, the bottom of an inner ring of the slewing bearing 13 is fixedly connected with the annular seat 10, the top of an outer ring of the slewing bearing 13 is connected with a rotating frame 14, torsion arms 15 are arranged between the left side and the right side of the top of the rotating frame 14 and the rotor shaft 3, linkage rods 16 are hinged at the left end and the right end of the rotating frame 14, and an inclined rotating seat 17 is hinged at the upper ends of the two linkage rods 16.

The center of seat of stepping down 17 has been seted up and has been stepped down 18, is equipped with joint frame 19 in the groove of stepping down 18, and slide 20 has been seted up to the top left and right sides symmetry of seat of deflecting 17, and sliding connection has slider 21 in slide 20, and the slider 21 top articulates there is folding rod 22, and tooth's socket 23 has been seted up to the preceding terminal surface on folding rod 22 upper portion, and after the seat of deflecting 17 angle deflected, slider 21 can slide along slide 20.

The clamping frame 19 comprises a shaft sleeve 191, a fastening bolt 192 is screwed on the outer wall of the shaft sleeve 191, a positioning hole matched with the fastening bolt 192 is formed in the outer wall of the rotor shaft 3, a fixing shaft 193 is rotatably connected to the front end and the rear end of the shaft sleeve 191, the end part of the fixing shaft 193 is fixedly connected with the inner wall of the abdicating groove 18, a worm wheel 194 is connected to the outer wall of the front fixing shaft 193, the shaft sleeve 191 is fixed to the outer portion of the rotor shaft 3, and the clamping frame 19 is connected with the eccentric seat 17 to facilitate angular deflection.

The outer wall of rotor shaft 3 is connected with turns to motor 301, turns to motor 301's top power take off end and is connected with worm 302, and worm 302 meshes and connects worm wheel 194, and the expansion helix angle of worm 302 is less than the friction angle of worm wheel 194 worm 302 contact, can realize the auto-lock effect, avoids inclined to one side swivel seat 17 to rock.

The length of the rotating frame 14 is equal to that of the deflection seat 17, and the linkage rod 16 is matched to form a parallelogram, so that the deflection seat 17 and the rotating frame 14 can deflect synchronously.

The slide way 20 adopts T type groove, and the slider 21 adopts T type piece, is convenient for carry out spacing direction.

The specific implementation manner of this embodiment is:

when the device is used, a wireless communication module 9 is used for receiving a moving end signal, a controller 8 is used for starting a driving motor 5, a bevel gear 6 is used for being meshed with a transmission bevel gear ring 7, a rotor shaft 3 is used for driving a rotor head 4 to rotate, blades 27 rotate synchronously along with the rotor head 4 and can provide lift force for an unmanned aerial vehicle, a steering motor 301 is used for driving a worm 302 to rotate, the worm 302 is meshed with a transmission worm wheel 194, a fixing shaft 193 rotates on a shaft sleeve 191 and further rotates a deflection seat 17 around the axis of the fixing shaft 193, a guide sleeve 30 is used for guiding folding rods 22, the sliding blocks 21 move along a slide way 20 after the deflection seat 17 deflects, the two folding rods 22 respectively ascend and descend, a tooth groove 23 is used for being meshed with a straight gear ring 28, a cylindrical seat 25 rotates in a circular groove 24 and further the included angle between the blades 27 and the horizontal plane is changed, so that the lift force generated by rotation is adjusted, the unmanned aerial vehicle lifting device is simple in structure, convenient to operate, capable of reducing the manufacturing cost, capable of guaranteeing stable lifting of the unmanned aerial vehicle and suitable for popularization and promotion.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an unmanned aerial vehicle torsion arm rotor mechanism, includes fixing base (1), its characterized in that: be equipped with transmission chamber (2) in fixing base (1), the middle part of transmission chamber (2) is rotated and is connected with rotor shaft (3), the one end that rotor shaft (3) stretched out fixing base (1) is connected with rotor head (4), the inner chamber left side wall in transmission chamber (2) is connected with driving motor (5), the power take off end of driving motor (5) is connected with bevel gear (6), the outer wall connection of rotor shaft (3) has bevel gear ring (7), bevel gear ring (7) meshing connection bevel gear (6), the outer wall connection of fixing base (1) has controller (8), be equipped with wireless communication module (9) on controller (8).

2. An unmanned aerial vehicle torque arm rotor mechanism according to claim 1, wherein: the top of fixing base (1) is equipped with annular seat (10), it has anti-torque arm (11) to articulate between annular seat (10) bottom surface and fixing base (1), install ball pivot (12) between annular seat (10) inner wall and rotor shaft (3), the top of annular seat (10) is equipped with slewing bearing (13), inner circle bottom rigid coupling annular seat (10) of slewing bearing (13), the outer lane top of slewing bearing (13) is connected with swivel mount (14), install torque arm (15) between the top left and right sides of swivel mount (14) and rotor shaft (3), both ends articulate in the left and right sides of swivel mount (14) has gangbar (16), two the upper end of gangbar (16) articulates jointly has inclined to one side swivel mount (17).

3. An unmanned aerial vehicle torque arm rotor mechanism according to claim 2, wherein: the center of transposition seat (17) has been seted up and has been stepped down groove (18), it is equipped with joint frame (19) in groove (18) to step down, slide (20) have been seted up to the top left and right sides symmetry of transposition seat (17), sliding connection has slider (21) in slide (20), slider (21) top articulates there is folding rod (22), tooth's socket (23) have been seted up to the preceding terminal surface on folding rod (22) upper portion.

4. An unmanned aerial vehicle torque arm rotor mechanism according to claim 3, wherein: circular slot (24) have been seted up at both ends about rotor head (4), circular slot (24) opening is rotated and is connected with cylinder seat (25), clamping mouth (26) have been seted up to the tip of cylinder seat (25), be connected with paddle (27) in clamping mouth (26), the circumference lateral wall of cylinder seat (25) is connected with straight ring gear (28), tooth's socket (23) are connected in straight ring gear (28) meshing, the bottom left and right sides symmetric connection of rotor head (4) has L shape pole (29), the horizontal end of L shape pole (29) is connected with guide pin bushing (30), folding rod (22) lower part activity grafting guide pin bushing (30).

5. An unmanned aerial vehicle torque arm rotor mechanism according to claim 3, wherein: joint frame (19) are including axle sleeve (191), the outer wall spiro union of axle sleeve (191) has fastening bolt (192), the locating hole with fastening bolt (192) matched with is seted up to rotor shaft (3) outer wall, both ends are rotated around axle sleeve (191) and are connected with fixed axle (193), fixed axle (193) tip fixed connection groove (18) inner wall of stepping down, the front side the outer wall connection of fixed axle (193) has worm wheel (194).

6. An unmanned aerial vehicle torque arm rotor mechanism according to claim 5, wherein: the outer wall of the rotor shaft (3) is connected with a steering motor (301), the top power output end of the steering motor (301) is connected with a worm (302), the worm (302) is meshed with a worm wheel (194), and the expansion spiral angle of the worm (302) is smaller than the friction angle of the worm wheel (194) and the worm (302) in contact.

7. An unmanned aerial vehicle torque arm rotor mechanism according to claim 2, wherein: the rotating frame (14) and the eccentric seat (17) are equal in length.

8. An unmanned aerial vehicle torque arm rotor mechanism according to claim 3, wherein: the slide way (20) adopts a T-shaped groove, and the slide block (21) adopts a T-shaped block.