CN218777713U

CN218777713U - Reduction gear for tandem double rotor unmanned aerial vehicle with outer protection architecture

Info

Publication number: CN218777713U
Application number: CN202223443581.5U
Authority: CN
Inventors: 孙崇洋; 余翔; 潘孝舟
Original assignee: Guozhi Rizhao Aviation Technology Co ltd
Current assignee: Guozhi Rizhao Aviation Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-03-31
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a reduction gear for tandem bispin wing unmanned aerial vehicle with outer protection architecture belongs to the unmanned aerial vehicle field, include: the connecting plate, the connecting plate is close to the lower extreme and rotates and be provided with the input shaft, all fixed one-way bearing that has cup jointed on the outer wall of input shaft middle part both sides, fixed band pulley down that has cup jointed on the one-way bearing outer wall, the connecting plate is close to the upper end and rotates and be provided with the output shaft, fixed band pulley that has cup jointed on the output shaft outer wall, the output shaft both ends all overlap and are equipped with the shaft coupling, fixed the cup jointing has the belt down on band pulley and the last band pulley outer wall, the connecting plate is close to front end middle part position department and rotates and be connected with the U-shaped axle, the epaxial electric push rod that is connected with of U-shaped, the rotation of electric push rod lower extreme is connected with the clamp plate. From this, this reduction gear for unmanned aerial vehicle can realize that one end is inputed both ends and is exported and carry out the function adjusted to the belt tensioning, has the practicality.

Description

Reduction gear for tandem double rotor unmanned aerial vehicle with outer protection architecture

Technical Field

The utility model relates to a reduction gear for unmanned aerial vehicle especially relates to a reduction gear for tandem bispin wing unmanned aerial vehicle with outer protection architecture, belongs to the unmanned aerial vehicle field.

Background

The unmanned plane is called unmanned plane for short, and is an unmanned aerial vehicle operated by radio remote control equipment and a self-contained program control device. The unmanned aerial vehicle is a general term of an unmanned aerial vehicle, and can be defined as follows from the technical point of view: unmanned fixed wing aircraft, unmanned VTOL aircraft, unmanned airship, unmanned helicopter, unmanned multi-rotor aircraft, unmanned paravane, etc. Compared with manned aircraft, it has the advantages of small volume, low cost, convenient use, low requirement on the operational environment, strong battlefield viability and the like. Since the unmanned aircraft has important significance for future air battles, the research and development work of the unmanned aircraft is carried out in all major military countries in the world. In 11 months in 2013, the civil aviation administration (CA) in china issued the temporary regulations on the management of drivers of civil unmanned aircraft systems, and the AOPA association in china was responsible for the relevant management of civil unmanned aircraft. According to the stipulations, the operation of unmanned aerial vehicles in China can be divided into 11 conditions according to the size of the aircraft and the flight airspace, wherein only unmanned aerial vehicles above 116 kg and airship above 4600 cubic meters are managed by civil aviation administration in a fusion airspace, and other conditions, including other flights including increasingly popular miniature aerial photography aircrafts, are managed by industry associations or are automatically responsible by operators

Nobody need adjust the rotational speed of rotor head in the use, consequently need be used for the reduction gear to cooperate actuating mechanism to adjust.

The patent of current publication No. CN215707175U discloses an unmanned aerial vehicle reduction gear convenient to dismantle and detect, including unmanned aerial vehicle base, second expanding spring and sliding tray, spacing spout has been seted up to spacing orbital side, and the fly leaf setting is in the inside of spacing spout, be connected with second expanding spring between the bottom surface of fly leaf and spacing spout. This unmanned aerial vehicle reduction gear convenient to dismantle and detect is provided with the bracing piece, the mounting groove has been seted up to the bottom surface of bracing piece, the inside of mounting groove is provided with the clamp plate, the clamp plate can be controlled in the inside of mounting groove through first expanding spring and remove, make the reduction gear can be fixed, the both sides of mounting groove are provided with spacing track, spacing orbital inside is provided with the baffle, avoid the reduction gear in the mounting groove to drop, the baffle passes through the fly leaf, second expanding spring constitutes sliding structure along spacing spout, make the baffle can open also can close by oneself, make the more convenient dismantlement of reduction gear detect, the guard action to the reduction gear has also been played simultaneously.

The applicant finds that although the speed reducer provided in the technical scheme is convenient to disassemble, the speed reducer is not described in too much detail, and is a general one-end-input-one-end-output structure, the requirement of the twin-rotor unmanned aerial vehicle which uses one servo mechanism to simultaneously drive two rotor heads to rotate cannot be met, and in addition, the tensioning force of a belt cannot be adjusted by the conventional speed reducer, so that the transmission effect is influenced by the fact that the belt is too loose or too tight.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a reduction gear for tandem bispin wing unmanned aerial vehicle with outer protection architecture, this reduction gear for unmanned aerial vehicle can realize that one end is imported both ends and is exported and carry out the function of adjusting to the belt tensioning, and the reduction gear of having solved among the prior art is the one end input, and the problem of one end output can't satisfy needs, and inconvenient problem of adjusting the belt tensioning.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a reduction gear for tandem bispin wing unmanned aerial vehicle with outer protection architecture, includes the connecting plate, the connecting plate is close to the lower extreme and rotates and is provided with the input shaft, all fixedly cup jointed one-way bearing on the outer wall of input shaft middle part both sides, the fixed band pulley that has cup jointed down on the one-way bearing outer wall, the connecting plate is close to the upper end and rotates and be provided with the output shaft, the fixed band pulley that has cup jointed on the output shaft outer wall, the output shaft both ends are all overlapped and are equipped with the shaft coupling, it has the belt to cup joint on band pulley and the last band pulley outer wall down, the connecting plate is close to front end middle part position department and rotates and is connected with the U-shaped axle, the epaxial electric putter that is connected with of U-shaped, the electric putter lower extreme rotates and is connected with the clamp plate, the clamp plate is close to rear end middle part position department and rotates and is connected with the pinch roller.

Furthermore, the outer walls of the two ends of the input shaft are sleeved with lower bearings, and the two lower bearings are fixedly sleeved in the connecting plate.

Furthermore, the outer walls of the output shaft close to the two ends are respectively sleeved with an upper bearing, and the two upper bearings are fixedly sleeved in the connecting plate.

Furthermore, a lower retainer ring is fixedly connected to the outer wall of the lower belt wheel.

Furthermore, an upper retainer ring is fixedly connected to the outer wall of the upper belt wheel.

Furthermore, the pressing plate is rotatably connected to the connecting plate.

Furthermore, the pressing plate is connected with the lower end of the electric push rod in a rotating mode through a rotating shaft.

Compared with the prior art, the beneficial effects of the utility model reside in that: the device can drive down the band pulley rotation after passing through servo mechanism access input shaft, further drives the band pulley rotation through belt transmission, further drives the output shaft and rotates to the shaft coupling of establishing through output shaft both ends cover realizes bi-polar output, drives the mechanism rotation at output shaft both ends simultaneously, satisfies the needs of one end input, both ends output.

Compared with the prior art, the beneficial effects of the utility model reside in that: the device passes through the motion of electric push rod drive clamp plate, further can drive pinch roller pressfitting belt, realizes the regulation to belt tension, prevents that the belt from appearing too loose or the condition of tension influence transmission effect, adjusts convenient saving trouble.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic view of the main structure of a preferred embodiment of a tandem twin-rotor unmanned aerial vehicle speed reducer having an external protection structure according to the present invention;

fig. 2 is a schematic diagram of the internal structure of a preferred embodiment of a reducer for tandem twin-rotor unmanned aerial vehicle having an external protection structure according to the present invention.

In the figure: 1. a connecting plate; 2. an input shaft; 3. an output shaft; 4. a lower belt wheel; 5. an upper belt wheel; 6. a lower retainer ring; 7. an upper retainer ring; 8. a lower bearing; 9. an upper bearing; 10. a one-way bearing; 11. a coupling; 12. pressing a plate; 13. a pinch roller; 14. a U-shaped shaft; 15. an electric push rod; 16. a belt.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, the reducer for tandem dual-rotor unmanned aerial vehicle with an external protection structure according to this embodiment includes a connecting plate 1, the connecting plate 1 is rotatably provided with an input shaft 2 near a lower end, the outer walls of two sides of the middle portion of the input shaft 2 are both fixedly sleeved with a one-way bearing 10, the outer wall of the one-way bearing 10 is fixedly sleeved with a lower pulley 4, the connecting plate 1 is rotatably provided with an output shaft 3 near an upper end, the outer wall of the output shaft 3 is fixedly sleeved with an upper pulley 5, two ends of the output shaft 3 are both sleeved with a coupler 11, the outer walls of the lower pulley 4 and the upper pulley 5 are fixedly sleeved with a belt 16, the belt 16 is a synchronous belt, the connecting plate 1 is rotatably connected with a v-belt or a poly-v belt, the middle portion of the connecting plate 1 near a front end is rotatably connected with a U-shaped shaft 14, the U-shaped shaft 14 is connected with an electric push rod 15, a specific connection portion is that the U-shaped shaft 14 is connected with the electric push rod 15 through a universal joint, the lower end of the electric push rod 15 is rotatably connected with a pressing plate 12, the pressing plate 12 near a middle portion of the pressing plate 12 near a rear end is rotatably connected with a pressing wheel 13, the pressing plate 12 should be provided as per se according to actual circumstances, the belt 13, or be provided on one side of the belt 16, and can be provided on one side near the belt, and can be provided on one side of the belt 16, and can be provided to adjust the belt 16.

The preferred, the cover is equipped with bearing 8 down on the 2 both ends outer walls of input shaft, and two lower bearings 8 are all fixed to be cup jointed in connecting plate 1, and output shaft 3 is close to and all is equipped with bearing 9 on the outer wall of both ends, and two upper bearings 9 are all fixed to be cup jointed in connecting plate 1, and lower bearing 8 and upper bearing 9 all are used for making things convenient for the installation between input shaft 2 and output shaft 3 and the connecting plate 1.

Preferably, the outer wall of the lower belt wheel 4 is fixedly connected with a lower retainer ring 6, the outer wall of the upper belt wheel 5 is fixedly connected with an upper retainer ring 7, and the lower retainer ring 6 and the upper retainer ring 7 are both used for limiting the belt 16 to prevent the belt 16 from sideslipping on the belt wheel.

Preferably, the pressing plate 12 is rotatably connected to the connecting plate 1, the pressing plate 12 is specifically rotatably connected to the lower end of the electric push rod 15 through a rotating shaft, so that when the electric push rod 15 drives the front end of the pressing plate 12 to move, the other end of the pressing plate 12 can be driven to move correspondingly, the pressing pulley 13 is driven to compress or release the belt 16, and the pressing plate 12 can be made of a straight plate or an angle plate.

The utility model discloses an application principle and use flow:

through inserting outside servo with input shaft 2 and driving, can drive down band pulley 4 and rotate, further drive band pulley 5 through belt 16 and rotate, further drive output shaft 3 and rotate, further realize driving the external pivot in output shaft 3 both ends through shaft coupling 11 and rotate, realize the purpose of both ends output is inputed to one end, in the use, cooperation electric putter 15 action, can drive the relative belt 16 motion of pinch roller 13 through clamp plate 12, the realization is adjusted belt 16's rate of tension, convenient trouble-saving.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The present invention has been described in connection with the specific embodiments, but it should be clear to those skilled in the art that these descriptions are only illustrative and not intended to limit the scope of the present invention. Various modifications and alterations of this invention will become apparent to those skilled in the art based upon the spirit and principles of this invention, and such modifications and alterations are also within the scope of this invention.

Claims

1. The utility model provides a reduction gear for tandem bispin wing unmanned aerial vehicle with outer protection architecture, a serial communication port, including connecting plate (1), connecting plate (1) is close to the lower extreme and rotates and is provided with input shaft (2), one-way bearing (10) have all been cup jointed to all fixing on input shaft (2) middle part both sides outer wall, fixed cover has been cup jointed down band pulley (4) on one-way bearing (10) outer wall, connecting plate (1) is close to the upper end and rotates and be provided with output shaft (3), fixed band pulley (5) have been cup jointed on output shaft (3) outer wall, output shaft (3) both ends all overlap and are equipped with shaft coupling (11), fixed cover has been cup jointed belt (16) on band pulley (4) and last band pulley (5) outer wall down, connecting plate (1) is close to front end middle part position department and rotates and is connected with U-shaped axle (14), be connected with electricity push rod (15) lower extreme rotates and is connected with clamp plate (12), clamp plate (12) are close to rear end middle part position department and rotate and are connected with clamp pulley (13).

2. The reducer for the tandem double-rotor unmanned aerial vehicle with the external protection structure according to claim 1, wherein lower bearings (8) are sleeved on outer walls of two ends of the input shaft (2), and the two lower bearings (8) are fixedly sleeved in the connecting plate (1).

3. The reducer with the outer protection structure for the tandem double-rotor unmanned aerial vehicle according to claim 1, wherein the outer walls of the output shaft (3) close to the two ends are respectively sleeved with an upper bearing (9), and the two upper bearings (9) are respectively fixedly sleeved in the connecting plate (1).

4. A decelerator for tandem double rotor unmanned aerial vehicle with external protection architecture according to claim 1, characterized in that the outer wall of the lower pulley (4) is fixedly connected with a lower retaining ring (6).

5. The reducer with an external protection structure for a tandem double-rotor unmanned aerial vehicle according to claim 1, wherein an upper retainer ring (7) is fixedly connected to the outer wall of the upper belt wheel (5).

6. A reducer for tandem double-rotor unmanned aerial vehicle having external protection structure according to claim 1, wherein said pressure plate (12) is rotatably connected to the connecting plate (1).

7. A reducer for tandem twin-rotor unmanned aerial vehicle having an external protection structure according to claim 1, wherein the pressure plate (12) is rotatably connected to the lower end of the electric push rod (15) through a rotating shaft.