CN212243864U

CN212243864U - Multi-rotor aerial photography unmanned aerial vehicle three-axis self-stabilizing cradle head

Info

Publication number: CN212243864U
Application number: CN202021305204.3U
Authority: CN
Inventors: 张磊
Original assignee: Ningbo Ares Automation Technology Co ltd
Current assignee: Ningbo Ares Automation Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-12-29
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a multi-rotor aerial photography unmanned aerial vehicle three-axis self-stabilizing pan-tilt, which comprises a mounting plate, a mounting bin, a main support, a mounting frame and a support frame; the mounting bin is arranged at the bottom of the mounting plate, and a mounting hole is reserved in the middle of the mounting plate; a direction shaft motor is arranged inside the mounting bin, a direction shaft is arranged at the output end of the direction shaft motor, the direction shaft extends out of the mounting bin, and a first limiting plate and a second limiting plate are respectively arranged at the top and the bottom of the direction shaft; a transverse rolling shaft motor is arranged on the main support, a transverse rolling shaft is arranged at the output end of the transverse rolling shaft motor, and the mounting frame is arranged on the transverse rolling shaft; a pitching shaft motor is arranged on the mounting frame, and a pitching shaft is arranged at the output end of the pitching shaft motor; sliding grooves are formed in two sides of the top of the supporting frame, connecting pieces are arranged on the sliding grooves in a sliding mode, a pressing plate is fixedly installed in the middle of each connecting piece, and a buffering pad is arranged at the bottom of each pressing plate; the utility model discloses it is convenient that camera equipment is dismantled in the installation, simultaneously can compatible different models camera equipment.

Description

Multi-rotor aerial photography unmanned aerial vehicle three-axis self-stabilizing cradle head

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is a many rotors unmanned aerial vehicle triaxial self-stabilization cloud platform of taking photo by plane.

Background

Unmanned Aerial vehicle (uav) refers to an aircraft that does not carry any operator and can fly autonomously or be remotely piloted. A multi-rotor unmanned aerial vehicle is a special unmanned helicopter with three or more rotor shafts. It is rotated by a motor on each shaft, driving the rotor, thereby generating lift. The collective pitch of the rotors is fixed and not variable as in a typical helicopter. Through changing the relative speed between the different rotors, the size of unipolar propulsive force can be changed to the orbit of control aircraft. The drone system comprises a system of drone flight platforms, associated remote control stations, required command and control data links, and any other components of approved model design specifications. The rotor unmanned aerial vehicle has strong control performance, can take off and land vertically and hover, and is mainly suitable for low-altitude and low-speed tasks with take off and land vertically and hover requirements.

The three-axis stability-increasing pan-tilt is a device for realizing the stable control of the posture of a target object, in other words, the object can keep the posture of the object still during movement. Taking photography as an example, after the stability-increasing tripod head is applied, a photographer can still shoot a stable picture in the motion process. The stability augmentation holder mainly comprises an IMU feedback system and a servo motor, wherein the IMU feedback system is composed of a three-axis gyroscope and a three-axis acceleration sensor. Three servo motors are distributed on the supporting arm and are respectively responsible for the rotation in the front-back direction, the left-right direction and the up-down direction. In the prior art, an aerial photography unmanned aerial vehicle keeps a stable shooting picture and mainly depends on a three-axis self-stabilization holder; but general unmanned aerial vehicle's triaxial is from steady cloud platform can only install the camera equipment of fixed model, and the compatibility is relatively poor.

In order to solve the problem, the three-axis self-stabilizing cradle head of the multi-rotor aerial photography unmanned aerial vehicle is provided in the application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a many rotors unmanned aerial vehicle triaxial is from steady cloud platform of taking photo by plane has camera equipment and changes the convenience, compatible good characteristics.

(II) technical scheme

In order to solve the technical problem, the utility model provides a multi-rotor aerial photography unmanned aerial vehicle triaxial self-stabilizing pan-tilt, which comprises a mounting plate, a mounting bin, a main support, a mounting frame and a support frame;

the mounting bin is arranged at the bottom of the mounting plate, a mounting hole is reserved in the middle of the mounting plate, and a threaded hole fixed with the unmanned aerial vehicle is formed in the mounting plate; a direction shaft motor is arranged inside the mounting bin, a direction shaft is arranged at the output end of the direction shaft motor, the direction shaft extends out of the mounting bin, and a first limiting plate and a second limiting plate are respectively arranged at the top and the bottom of the direction shaft;

the main bracket is arranged between the first limiting plate and the second limiting plate; a transverse rolling shaft motor is arranged on the main support, a transverse rolling shaft is arranged at the output end of the transverse rolling shaft motor, and the mounting frame is arranged on the transverse rolling shaft; a pitching shaft motor is arranged on the mounting frame, a pitching shaft is arranged at the output end of the pitching shaft motor, and the support frame is in transmission connection with the pitching shaft in a matching manner; the bottom of the support frame is provided with a side baffle perpendicular to the bottom surface of the support frame, and the bottom surface of the support frame is covered with an elastic pad; sliding grooves are formed in two sides of the top of the supporting frame, connecting pieces are arranged on the sliding grooves in a sliding mode, a pressing plate is fixedly installed in the middle of each connecting piece, and a buffering pad is arranged at the bottom of each pressing plate; the pressing plate is positioned right above the elastic cushion; the connecting piece is provided with a locking bolt for locking.

Preferably, an elastic rubber sleeve is arranged at the threaded hole.

Preferably, the first limiting plate is provided with a plurality of mounting grooves arranged along the vertical direction, an elastic piece is embedded into each mounting groove, and a positioning pin is slidably arranged on each mounting groove; the bottom of the elastic piece is fixedly arranged with the top of the positioning pin; and a deflector rod is arranged on the locating pin.

Preferably, a partition board is arranged in the installation bin, the partition board divides the installation bin into a first bin body and a second bin body, and the direction shaft motor is positioned in the second bin body; the mounting bin is provided with an overhauling cover plate in a matching way.

Preferably, a connecting plate is arranged inside the first bin body, and a plurality of copper columns are fixedly mounted on the connecting plate; a control circuit board is arranged in the first bin body, and a positioning screw is arranged on the control circuit board in a matched manner; the set screw is connected with the copper column in a thread fit manner.

Preferably, the installation bin is provided with a plurality of exhaust channels; a plurality of guide plates are arranged in the exhaust channel, and filter screens are arranged on the guide plates.

Preferably, a gasket for buffering is arranged on one side, facing the support frame, of the locking bolt.

Preferably, a protruding part is arranged on one side, away from the installation of the pitch shaft motor, of the installation frame.

Preferably, the width of the two side walls of the support frame is gradually widened from top to bottom.

Preferably, the main support, the support frame and the mounting frame are all made of hollow aluminum alloy materials.

The above technical scheme of the utility model has following profitable technological effect:

1. the mounting bin is provided with a plurality of exhaust channels; a plurality of guide plates are arranged in the exhaust channel, and filter screens are arranged on the guide plates. The heat that the inside during operation of installation storehouse produced can outwards be discharged through exhaust passage, and deflector and filter screen can prevent simultaneously that water or dust granule from getting into the installation storehouse from exhaust passage inside at flight in-process to the dust is piled up and is influenced the radiating effect.

2. A plurality of copper columns are fixedly arranged on the connecting plate; a control circuit board is arranged in the first bin body, and a positioning screw is arranged on the control circuit board in a matched manner; the set screw is connected with the copper column in a thread fit manner. The copper column can play a supporting role, so that a certain gap is formed between the control circuit board and the top of the first bin body, and ventilation and heat dissipation are facilitated; and meanwhile, the copper cylinder is conductive, so that static electricity on the control circuit board can be eliminated.

3. The main support, the support frame and the mounting frame are all made of hollow aluminum alloy materials. The hollow aluminum alloy material has light weight and strong strength, and meanwhile, the aluminum alloy material has good heat conductivity and is convenient for heat dissipation.

4. Be provided with bellying and side shield on the support frame and can carry on spacingly to camera equipment, be provided with the cushion simultaneously on the bottom plate of support frame, the blotter of cooperation clamp plate bottom, take place elastic deformation after blotter and cushion receive pressure, can increase the frictional force between blotter and cushion and the camera equipment shell, thereby cooperation locking bolt is fixed camera equipment.

Drawings

Fig. 1 is a schematic view of the overall structure of the three-axis self-stabilizing pan/tilt head of the present invention;

FIG. 2 is a schematic structural view of the installation bin of the present invention;

FIG. 3 is an enlarged schematic view of the part A of the present invention;

FIG. 4 is a schematic view of the internal structure of the exhaust duct of the present invention;

fig. 5 is a schematic view of the pitch axis motor and the supporting frame of the present invention;

fig. 6 is a schematic top view of the pitch shaft motor and the support frame of the present invention;

FIG. 7 is a schematic view of the mounting structure of the connecting member and the supporting frame of the present invention;

fig. 8 is an enlarged schematic view of the part B of the present invention.

Reference numerals: 1. mounting a plate; 2. an elastic rubber sleeve; 3. installing a bin; 301. a first bin body; 302. a second bin body; 303. a separator plate; 4. overhauling the cover plate; 5. mounting holes; 6. a main support; 7. a transverse roller motor; 8. a transverse rolling shaft; 9. a support frame; 10. a pitch axis motor; 11. a mounting frame; 12. a connecting plate; 13. a copper pillar; 14. a control circuit board; 15. a set screw; 16. a steering shaft motor; 17. a first limit plate; 18. a second limiting plate; 19. a direction axis; 20. positioning pins; 21. an elastic member; 22. a deflector rod; 23. pressing a plate; 24. a cushion pad; 25. a boss portion; 26. an elastic pad; 27. a side dam; 28. a connecting member; 29. locking the bolt; 30. a chute; 31. an exhaust passage; 32. a filter screen; 33. a guide plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-8, the utility model provides a multi-rotor aerial photography unmanned aerial vehicle triaxial self-stabilizing pan-tilt, which comprises a mounting plate 1, a mounting bin 3, a main support 6, a mounting frame 11 and a support frame 9;

the mounting bin 3 is arranged at the bottom of the mounting plate 1, a mounting hole 5 is reserved in the middle of the mounting plate 1, and a threaded hole fixed with the unmanned aerial vehicle is formed in the mounting plate 1; a direction shaft motor 16 is arranged inside the mounting bin 3, a direction shaft 19 is arranged at the output end of the direction shaft motor 16, the direction shaft 19 extends out of the mounting bin 3, and a first limiting plate 17 and a second limiting plate 18 are respectively arranged at the top and the bottom of the direction shaft 19;

the main bracket 6 is arranged between the first limit plate 17 and the second limit plate 18; a transverse roller motor 7 is arranged on the main support 6, a transverse roller 8 is arranged at the output end of the transverse roller motor 7, and a mounting rack 11 is arranged on the transverse roller 8; a pitching shaft motor 10 is arranged on the mounting frame 11, a pitching shaft is arranged at the output end of the pitching shaft motor 10, and the support frame 9 is in transmission connection with the pitching shaft in a matching manner; the bottom of the support frame 9 is provided with a side baffle 27 vertical to the bottom surface of the support frame 9, and the bottom surface of the support frame 9 is covered with an elastic pad 26; sliding grooves 30 are formed in two sides of the top of the supporting frame 9, connecting pieces 28 are arranged on the sliding grooves 30 in a sliding mode, a pressing plate 23 is fixedly installed in the middle of each connecting piece 28, and a cushion pad 24 is arranged at the bottom of each pressing plate 23; the pressing plate 23 is positioned right above the elastic cushion 26; the connecting piece 28 is provided with a locking bolt 29 for locking.

In this embodiment, as shown in fig. 1, an elastic rubber sleeve 2 is provided at the threaded hole.

It should be noted that, when using the bolt to fix mounting panel 1 on unmanned aerial vehicle, elastic rubber sleeve 2 can play the effect of buffering, reduces the wearing and tearing between mounting panel 1 and the unmanned aerial vehicle main part.

In the present embodiment, as shown in fig. 3, the first limiting plate 17 is provided with a plurality of mounting grooves arranged along the vertical direction, an elastic member 21 is embedded inside each mounting groove, and a positioning pin 20 is slidably arranged on the mounting groove; the bottom of the elastic piece 21 is fixedly arranged with the top of the positioning pin 20; the positioning pin 20 is provided with a shift lever 22.

It should be noted that, when the main bracket 6 is installed on the direction shaft 19, the shift lever 22 is shifted to pull up the positioning pin 20, the elastic element 21 keeps the contraction state, after the main bracket 6 is installed in place, the shift lever 22 is released, and the positioning pin 20 is inserted into the slot on the main bracket 6 under the action of the elastic element 21, thereby realizing accurate positioning; the main bracket 6 is driven to rotate by the positioning pin 20 when the direction shaft motor 16 is operated.

In the present embodiment, as shown in fig. 2, a partition plate 303 is disposed inside the installation bin 3, the installation bin 3 is divided into a first bin 301 and a second bin 302 by the partition plate 303, and the direction axis motor 16 is located in the second bin 302; the mounting bin 3 is provided with an overhauling cover plate 4 in a matching way.

It should be noted that the first bin 301 and the second bin 302 are isolated from each other, and the internal control circuit board 14 or the steering shaft motor 16 can be overhauled by opening the overhaul cover plate 4 when the overhaul is needed.

In the present embodiment, as shown in fig. 2, a connecting plate 12 is disposed inside the first bin 301, and a plurality of copper pillars 13 are fixedly mounted on the connecting plate 12; a control circuit board 14 is arranged inside the first bin body 301, and a positioning screw 15 is arranged on the control circuit board 14 in a matched manner; the set screw 15 is connected with the copper column 13 in a threaded fit manner.

It should be noted that the copper pillar 13 can play a supporting role, so as to ensure that a certain gap exists between the control circuit board 14 and the top of the first bin 301, thereby facilitating ventilation and heat dissipation; meanwhile, the copper columns 13 are conductive, and static electricity on the control circuit board 14 can be eliminated.

In the present embodiment, as shown in fig. 4, the installation bin 3 is provided with a plurality of exhaust passages 31; a plurality of guide plates 33 are provided inside the exhaust passage 31, and a filter screen 32 is provided on the guide plates 33.

It should be noted that heat generated during operation inside the installation bin 3 can be discharged outwards through the exhaust passage 31, and meanwhile, the guide plate 33 and the filter screen 32 can prevent water or dust particles from entering the installation bin 3 from the exhaust passage 31 during flight, so as to prevent dust accumulation from affecting the heat dissipation effect.

In the present embodiment, as shown in fig. 8, a spacer for buffering is provided on a side of the lock bolt 29 facing the support bracket 9.

It should be noted that the spacer can support and reduce the wear between the lock bolt 29 and the support frame 9.

In the present embodiment, as shown in fig. 5 to 6, the side of the mounting bracket 11 remote from the pitch axis motor 10 is provided with a projection 25.

Note that the projection portion 25 can function as a stopper when the image pickup apparatus is mounted.

In this embodiment, the widths of the two sidewalls of the supporting frame 9 are gradually wider from top to bottom.

In this embodiment, the main support 6, the support frame 9 and the mounting frame 11 are all made of hollow aluminum alloy.

It should be noted that the hollow aluminum alloy material has light weight and strong strength, and meanwhile, the aluminum alloy material has good heat conductivity and is convenient for heat dissipation.

The utility model discloses a theory of operation and use flow: when the main bracket 6 is arranged on the direction shaft 19, the deflector rod 22 is firstly poked to pull up the positioning pin 20, the elastic piece 21 keeps a contraction state, after the main bracket 6 is arranged in place, the deflector rod 22 is loosened, and the positioning pin 20 is inserted into the slot on the main bracket 6 under the action of the elastic piece 21, so that accurate positioning is realized; when the direction shaft motor 16 acts, the main bracket 6 is driven to rotate by the positioning pin 20; then, switching on a power supply for detection, and judging whether the three-axis self-stabilizing pan-tilt can normally work or not; after the normal work is confirmed, the power supply is disconnected; mounting the camera equipment on the support frame 9, loosening the locking bolt 29, sliding the pressing plate 23 upwards along the sliding groove 30, and then placing the camera equipment on the support frame 9; the supporting frame 9 is provided with a convex part 25 and a side baffle 27 which can limit the camera equipment, meanwhile, an elastic cushion 26 is arranged on a bottom plate of the supporting frame 9, the elastic cushion 26 is elastically deformed after being pressed, the friction force between the elastic cushion 26 and the shell of the camera equipment can be increased, when the camera equipment is installed, the pressing plate 23 is slowly pressed downwards, when the cushion pad 24 on the pressing plate 23 is contacted with the shell of the camera equipment, the cushion pad 24 and the elastic cushion 26 are continuously pressed downwards, the compression state of the cushion pad 24 and the elastic cushion 26 is ensured, and then the locking bolts 29 at two sides are locked; at this moment, the camera equipment is firmly fixed on the support frame 9, the utility model discloses can install the camera equipment of different models and size of a dimension for many rotors take photo by plane unmanned aerial vehicle's compatibility is better, and it is more convenient to trade the camera equipment of different models for shoot.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A three-axis self-stabilizing pan-tilt head of a multi-rotor aerial photography unmanned aerial vehicle is characterized by comprising a mounting plate (1), a mounting bin (3), a main support (6), a mounting frame (11) and a support frame (9);

the mounting bin (3) is arranged at the bottom of the mounting plate (1), a mounting hole (5) is reserved in the middle of the mounting plate (1), and a threaded hole fixed with the unmanned aerial vehicle is formed in the mounting plate (1); a direction shaft motor (16) is arranged in the mounting bin (3), a direction shaft (19) is arranged at the output end of the direction shaft motor (16), the direction shaft (19) extends out of the mounting bin (3), and a first limiting plate (17) and a second limiting plate (18) are respectively arranged at the top and the bottom of the direction shaft (19);

the main bracket (6) is arranged between the first limiting plate (17) and the second limiting plate (18); a transverse roller motor (7) is arranged on the main support (6), a transverse roller (8) is arranged at the output end of the transverse roller motor (7), and a mounting rack (11) is arranged on the transverse roller (8); a pitching shaft motor (10) is arranged on the mounting frame (11), a pitching shaft is arranged at the output end of the pitching shaft motor (10), and the support frame (9) is in transmission connection with the pitching shaft in a matching manner; a side baffle (27) vertical to the bottom surface of the support frame (9) is arranged at the bottom of the support frame (9), and an elastic pad (26) is covered on the bottom surface of the support frame (9); sliding chutes (30) are arranged on two sides of the top of the support frame (9), connecting pieces (28) are arranged on the sliding chutes (30) in a sliding manner, a pressing plate (23) is fixedly arranged in the middle of each connecting piece (28), and a cushion pad (24) is arranged at the bottom of each pressing plate (23); the pressing plate (23) is positioned right above the elastic cushion (26); and a locking bolt (29) for locking is arranged on the connecting piece (28) in a matching way.

2. The three-axis self-stabilizing pan-tilt head for a multi-rotor aerial photography unmanned aerial vehicle according to claim 1, wherein the threaded hole is provided with an elastic rubber sleeve (2).

3. The triaxial self-stabilizing head of a multi-rotor aerial photography unmanned aerial vehicle according to claim 1, wherein the first limiting plate (17) is provided with a plurality of mounting grooves arranged along the vertical direction, an elastic member (21) is embedded in each mounting groove, and a positioning pin (20) is slidably arranged on each mounting groove; the bottom of the elastic piece (21) is fixedly arranged with the top of the positioning pin (20); the positioning pin (20) is provided with a deflector rod (22).

4. The triaxial self-stabilizing head of a multi-rotor aerial photography unmanned aerial vehicle according to claim 1, wherein a partition plate (303) is disposed inside the installation bin (3), the partition plate (303) divides the installation bin (3) into a first bin body (301) and a second bin body (302), and the direction axis motor (16) is located in the second bin body (302); the installation bin (3) is provided with an overhaul cover plate (4) in a matching way.

5. The triaxial self-stabilizing head of a multi-rotor aerial photography unmanned aerial vehicle according to claim 4, wherein a connecting plate (12) is arranged inside the first cabin body (301), and a plurality of copper columns (13) are fixedly mounted on the connecting plate (12); a control circuit board (14) is arranged inside the first bin body (301), and a positioning screw (15) is arranged on the control circuit board (14) in a matched manner; the positioning screw (15) is in threaded fit connection with the copper column (13).

6. The triaxial self-stabilizing head of a multi-rotor aerial photography unmanned aerial vehicle according to claim 1, wherein the mounting bin (3) is provided with a plurality of exhaust passages (31); a plurality of guide plates (33) are arranged in the exhaust channel (31), and a filter screen (32) is arranged on each guide plate (33).

7. The triaxial self-stabilizing head of a multi-rotor aerial photography unmanned aerial vehicle according to claim 1, wherein a side of the locking bolt (29) facing the support frame (9) is provided with a gasket for buffering.

8. The three-axis self-stabilizing head for a multi-rotor aerial photography unmanned aerial vehicle according to claim 1, wherein a side of the mounting bracket (11) remote from the mounting of the pitch axis motor (10) is provided with a boss (25).

9. The triaxial self-stabilizing head of a multi-rotor aerial unmanned aerial vehicle according to claim 1, wherein the width of the two side walls of the support frame (9) gradually widens from top to bottom.

10. The triaxial self-stabilizing holder of a multi-rotor aerial photography unmanned aerial vehicle according to claim 1, wherein the main support (6), the support frame (9) and the mounting rack (11) are all made of hollow aluminum alloy.