CN212163127U

CN212163127U - Unmanned aerial vehicle carries servo revolving stage

Info

Publication number: CN212163127U
Application number: CN202021238042.6U
Authority: CN
Inventors: 魏文彬; 王家林; 雷丹; 杨金鹏; 文清平
Original assignee: Guangyuan Tianying Precision Transmission System Co ltd; Sichuan Information Technology College
Current assignee: Guangyuan Tianying Precision Transmission System Co ltd; Sichuan Information Technology College
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-12-15
Anticipated expiration: 2030-06-29

Abstract

The utility model provides an unmanned aerial vehicle-mounted servo turntable, which comprises a position box body; a second angle measuring coded disc is fixedly arranged on one side of the top of the pitching support; the top of the azimuth box body is also fixedly provided with a pitching speed reducer; the outer side of the pitching speed reducer is fixedly connected with a speed reducer output gear; a sector gear is fixedly arranged on one side of the pitching support through a bolt; and a corner limit pin fixedly connected with the pitching support is embedded into one side of the sector gear. The direct-current brushless motor is selected as an executing element in the device, the service life of the system is only limited by the service life of a motor bearing because the motor is not provided with a reversing electric brush, the longer design service life can be achieved, the maintenance times and cost of the system are reduced, compared with a brush motor scheme, the electromagnetic interference of the system is reduced, the design service life of the system is prolonged, the control precision is higher through servo control, and the rotation angle can be controlled more accurately.

Description

Unmanned aerial vehicle carries servo revolving stage

Technical Field

The utility model belongs to the technical field of unmanned aerial vehicle corollary equipment, more specifically say, in particular to unmanned aerial vehicle carries servo revolving stage.

Background

An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, 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, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology.

Based on the above, the present inventors found that the following problems exist in use: the inside motor of present unmanned aerial vehicle revolving stage is ordinary motor, and motor bearing life-span is shorter, consequently will influence the whole life-span of device, and the number of times of system maintenance also can be more, and the maintenance cost is high, and the precision when rotatory is also lower moreover.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an unmanned aerial vehicle-mounted servo turntable is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an unmanned aerial vehicle carries servo revolving stage to solve the inside motor of present unmanned aerial vehicle revolving stage and be ordinary motor, motor bearing life-span is shorter, consequently will influence the whole life-span of device, and the number of times of system maintenance also can be more, and the maintenance cost is high, the also lower problem of precision when rotatory moreover.

The utility model discloses purpose and efficiency of unmanned aerial vehicle carries servo revolving stage are reached by following specific technological means:

an unmanned aerial vehicle-mounted servo turntable comprises an azimuth box body; a lower motor is fixedly arranged on one side inside the azimuth box body; the top of the azimuth box body is fixedly provided with an upper cover plate through a bolt; the bottom of the azimuth box body is fixedly provided with a bottom cover plate through welding; the top of the lower motor is fixedly provided with a group of three-stage gear pairs; the bottom of the azimuth box body is fixedly connected with three sockets; a group of servo control modules are fixedly arranged on the inner side of the bottom of the azimuth box body; a conductive slip ring is fixedly arranged on the inner side of the top of the azimuth box body through a slip ring bracket; a first angle measuring coded disc is movably mounted on the inner side of the top of the azimuth box body; a group of power supply control modules are fixedly arranged on the inner side of the azimuth box body; the top of the azimuth box body is also fixedly provided with a pitching support; two bearings are fixedly and symmetrically arranged on two sides of the top of the pitching support; a second angle measuring coded disc is fixedly arranged on one side of the top of the pitching support; a load mounting trunnion is embedded and mounted on one side of the top of the pitching support; the top of the azimuth box body is also fixedly provided with a pitching speed reducer; the outer side of the pitching speed reducer is fixedly connected with a speed reducer output gear; a sector gear is fixedly arranged on one side of the pitching support through a bolt; and a corner limit pin fixedly connected with the pitching support is embedded into one side of the sector gear.

Furthermore, a main shaft in the azimuth box body and a final-stage gear are integrated into a main shaft gear, two ends of the main shaft gear are fixed in a middle rib plate hole and an upper cover plate central hole of the azimuth box body through bearings, and the upper cover plate is connected with the azimuth box body into a whole through countersunk screws.

Furthermore, an annular groove is designed on the central boss of the upper cover plate, and a labyrinth ring is formed after the annular groove and the pitching support are installed.

Furthermore, a T-shaped screw sleeve hole is arranged at each of four corners of the bottom of the outer side of the azimuth box body.

Furthermore, the pitching support is of a U-shaped structure, a corner limiting pin is mounted at the end of a sector gear of the pitching support, the load rotation range is controlled within-2.5-82.5 degrees, and the second angle measurement coded disc is fixed at the end of the pitching support through a positioning hole in the end of the pitching support.

Compared with the prior art, the utility model discloses following beneficial effect has:

the direct-current brushless motor is selected as an executing element in the device, the service life of the system is only limited by the service life of a motor bearing because the motor is not provided with a reversing electric brush, the longer design service life can be achieved, the maintenance times and cost of the system are reduced, compared with a brush motor scheme, the electromagnetic interference of the system is reduced, the design service life of the system is prolonged, the control precision is higher through servo control, and the rotation angle can be controlled more accurately.

Drawings

Fig. 1 is a schematic view of the structure of the utility model after being cut.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic view of the main section structure of the azimuth box of the present invention.

Fig. 4 is a schematic view of the main section structure of the pitching rotary table of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a azimuth box body; 2. a lower motor; 3. a bottom cover plate; 4. an upper cover plate; 5. a socket; 6. a servo control module; 7. a conductive slip ring; 8. a slip ring support; 9. a power supply control module; 10. a first angle measuring coded disc; 11. a pitch support; 12. a bearing; 13. a second angle measuring coded disc; 14. a load mounting trunnion; 15. a pitch reducer; 16. a reducer output gear; 17. a sector gear; 18. a corner limiting pin; 19. and a third gear pair.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides an unmanned aerial vehicle-mounted servo turntable, which comprises a position box body 1; a lower motor 2 is fixedly arranged on one side inside the azimuth box body 1; a main shaft in the azimuth box body 1 and a final-stage gear are integrated into a main shaft gear, two ends of the main shaft gear are fixed in a middle rib plate hole of the azimuth box body 1 and a central hole of an upper cover plate 4 by adopting bearings, and the upper cover plate 4 is connected with the azimuth box body 1 into a whole through a countersunk head screw; the top of the azimuth box body 1 is fixedly provided with an upper cover plate 4 through bolts; an annular groove is designed on a central boss of the upper cover plate 4, and forms a labyrinth ring after being installed with the pitching support 11; the bottom of the azimuth box body 1 is fixedly provided with a bottom cover plate 3 through welding; a group of three-stage gear pairs 19 is fixedly arranged at the top of the lower motor 2; the bottom of the azimuth box body 1 is fixedly connected with three sockets 5; a group of servo control modules 6 are fixedly arranged on the inner side of the bottom of the azimuth box body 1; a conductive slip ring 7 is fixedly arranged on the inner side of the top of the azimuth box body 1 through a slip ring bracket 8; a first angle measuring coded disc 10 is movably arranged on the inner side of the top of the azimuth box body 1; a group of power supply control modules 9 are fixedly arranged on the inner side of the azimuth box body 1; the top of the azimuth box body 1 is also fixedly provided with a pitching support 11; two bearings 12 are fixedly and symmetrically arranged on two sides of the top of the pitching support 11; a second angle measuring coded disc 13 is fixedly arranged on one side of the top of the pitching support 11; a load mounting trunnion 14 is embedded and mounted on one side of the top of the pitch bracket 11; the top of the azimuth box body 1 is also fixedly provided with a pitching speed reducer 15; the outer side of the pitching reducer 15 is fixedly connected with a reducer output gear 16; a sector gear 17 is fixedly arranged on one side of the pitching support 11 through a bolt; one side of the sector gear 17 is embedded with a corner limiting pin 18 fixedly connected with the pitching support 11.

Wherein, a T type screw hole is all installed to position 1 outside bottom four corners department in box, can regard as equipment fixing hole to use during the installation.

The pitching support 11 is of a U-shaped structure, the end of a sector gear 17 of the pitching support 11 is provided with a corner limiting pin 18 which can control the load rotation range to rotate within the range of-2.5 degrees to 82.5 degrees, the second angle measurement coded disc 13 is fixed at the end of the pitching support 11 through a positioning hole at the end of the pitching support 11, and the second angle measurement coded disc 13 is driven by a load mounting trunnion 14 at the end to realize angle measurement.

The specific use mode and function of the embodiment are as follows:

in the utility model, the device can drive the tertiary gear pair 19 to rotate through the rotation of the motor 2 under the control when in use, the tertiary gear pair 19 can drive the pitching support 11 to rotate when rotating, thereby adjusting the horizontal direction of the pitching support 11, the first stage of the transmission chain in the azimuth box body 1 adopts the gear with the modulus of 0.2, the transmission gear ratio is 25/83, the gear precision is 6g, the second stage adopts the gear transmission with the modulus of 0.25, the transmission gear ratio is 25/84, the gear precision is 6g, the third stage adopts the gear transmission with the modulus of 0.4, the transmission gear ratio is 20/200, the gear precision adopts 6h, the pitching reducer 15 adopts the two-stage speed reduction design, the first stage adopts the gear with the modulus of 0.2, the transmission gear ratio is 25/83, the gear precision is 6g, the second stage adopts the gear transmission with the modulus of 0.25, the transmission gear ratio is 25/102, the gear precision is 6g, the output gear 16 of the speed reducer 15 of pitching and adopting the gear transmission of the module 0.4 of the reducer output gear 16 and sector gear 17, the gear ratio of the transmission is 20/225, the gear precision adopts 6 hours, choose the direct-flow brushless electrical machine as the executive component in this apparatus, because the electrical machine does not commutate the brush, only limited by life-span of the motor bearing in the life-span of system use, can reach longer design life-span, reduce maintenance number of times and expenses of the system, compare with brush electrical machine scheme, has reduced the electromagnetic interference of the system, has increased the design life-span of the system.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An unmanned aerial vehicle carries servo revolving stage which characterized in that: comprises a azimuth box body (1); a lower motor (2) is fixedly arranged on one side inside the azimuth box body (1); the top of the azimuth box body (1) is fixedly provided with an upper cover plate (4) through a bolt; the bottom of the azimuth box body (1) is fixedly provided with a bottom cover plate (3) through welding; a group of three-stage gear pairs (19) is fixedly arranged at the top of the lower motor (2); the bottom of the azimuth box body (1) is fixedly connected with three sockets (5); a group of servo control modules (6) are fixedly arranged on the inner side of the bottom of the azimuth box body (1); a conductive slip ring (7) is fixedly arranged on the inner side of the top of the azimuth box body (1) through a slip ring bracket (8); a first angle measuring coded disc (10) is movably mounted on the inner side of the top of the azimuth box body (1); a group of power supply control modules (9) are fixedly arranged on the inner side of the azimuth box body (1); the top of the azimuth box body (1) is also fixedly provided with a pitching support (11); two bearings (12) are fixedly and symmetrically arranged on two sides of the top of the pitching support (11); a second angle measuring coded disc (13) is fixedly arranged on one side of the top of the pitching support (11); a load mounting trunnion (14) is embedded and mounted on one side of the top of the pitching support (11); a pitching speed reducer (15) is fixedly arranged at the top of the azimuth box body (1); the outer side of the pitching speed reducer (15) is fixedly connected with a speed reducer output gear (16); a sector gear (17) is fixedly arranged on one side of the pitching support (11) through a bolt; and a corner limit pin (18) fixedly connected with the pitching support (11) is embedded into one side of the sector gear (17).

2. The unmanned airborne servo turret of claim 1, wherein: the main shaft in the azimuth box body (1) and the final-stage gear are integrated into a main shaft gear, two ends of the main shaft gear are fixed in a middle rib plate hole of the azimuth box body (1) and a central hole of the upper cover plate (4) through bearings, and the upper cover plate (4) is connected with the azimuth box body (1) into a whole through countersunk screws.

3. The unmanned airborne servo turret of claim 1, wherein: an annular groove is designed on a central boss of the upper cover plate (4), and forms a labyrinth ring after being installed with the pitching support (11).

4. The unmanned airborne servo turret of claim 1, wherein: and a T-shaped screw sleeve hole is arranged at the four corners of the bottom of the outer side of the azimuth box body (1).

5. The unmanned airborne servo turret of claim 1, wherein: the pitching support (11) is of a U-shaped structure, a corner limiting pin (18) is installed at the end of a sector gear (17) of the pitching support (11), the load rotation range is controlled within-2.5-82.5 degrees, and a second angle measuring coded disc (13) is fixed at the end of the pitching support (11) through a positioning hole in the end of the pitching support (11).