Synchronizing mechanism for power rotors of unmanned aerial vehicle

Abstract

The utility model discloses a synchronizing mechanism for power rotors of an unmanned aerial vehicle, which relates to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, first connecting rods are uniformly distributed at the bottom of the unmanned aerial vehicle body, and transmission boxes are fixedly connected to the bottoms of the first connecting rods; by arranging the protective guard, the integrated function of protection and supporting of the unmanned aerial vehicle is achieved, the protective guard is in a supporting state before the unmanned aerial vehicle takes off and can serve as a stable supporting structure of the unmanned aerial vehicle, the unmanned aerial vehicle is helped to keep balance on the ground, fuselage inclination and rollover caused by external force interference are effectively prevented, and powerful guarantee is provided for smooth take-off of the unmanned aerial vehicle; after the unmanned aerial vehicle takes off, the transmission assembly in the transmission box drives the protective fence to rotate to be converted into a protective state and surround the paddles to form a protective barrier, when the unmanned aerial vehicle collides with an obstacle, the protective fence can bear impact force, the paddles are prevented from being directly damaged, and therefore the safety and reliability of the unmanned aerial vehicle are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field, concretely relates to a synchronous mechanism of unmanned plane power rotor. BACKGROUND

[0002] With the rapid development of unmanned plane technology, unmanned plane has been widely applied in aerial photography, surveying and mapping, agriculture, logistics and many other fields. Unmanned plane is a kind of unmanned aircraft, which is controlled by radio remote control equipment and self-provided program control device. Unmanned plane is actually a general term for unmanned aerial vehicle, which can be divided into unmanned helicopter, unmanned fixed-wing aircraft, unmanned multicopter, unmanned airship and unmanned parafoil according to technical definition.

[0003] Since unmanned plane usually operates in complex and changeable air environment, it is inevitable to encounter various unexpected situations, such as collision with obstacles such as birds and branches. Once collision occurs, the blades of unmanned plane are often the first to bear the impact force, which easily leads to blade damage, thereby affecting the flight performance of unmanned plane, and even may cause crash accident, resulting in damage of unmanned plane and possible personnel injury and property loss. Therefore, the utility model provides a synchronous mechanism of unmanned plane power rotor. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a synchronous mechanism of unmanned plane power rotor, to solve the problem that since unmanned plane usually operates in complex and changeable air environment, it is inevitable to encounter various unexpected situations, such as collision with obstacles such as birds and branches. Once collision occurs, the blades of unmanned plane are often the first to bear the impact force, which easily leads to blade damage, thereby affecting the flight performance of unmanned plane, and even may cause crash accident, resulting in damage of unmanned plane and possible personnel injury and property loss.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A synchronous mechanism of unmanned plane power rotor, comprising an unmanned plane body, the bottom of the unmanned plane body is uniformly distributed with a first connecting rod, the bottom of the first connecting rod is fixedly connected with a transmission box, the four side angles of the transmission box are all provided with a rotating rod, the outer side of the outer extending end of the rotating rod is provided with a second connecting rod, the other end of the second connecting rod is connected with a mounting disc, the other end surface of the mounting disc is fixedly installed with a protective fence, and the top of the transmission box is fixedly installed with a driving motor.

[0007] Optionally, the transmission box is provided with a fixed rod through an ear seat on both sides, and an activity sleeve is arranged on the outside of the fixed rod on both sides.

[0008] Optionally, the transmission box is internally provided with a connecting shaft fixedly connected with the output end of the driving motor, the end of the connecting shaft is connected with a main gear, and a slave gear is arranged beside the main gear.

[0009] Optionally, the slave gears are provided in four groups, the four groups of slave gears are respectively connected to the ends of the four groups of rotating rods, and the four groups of slave gears are all in mesh with the main gear.

[0010] Optionally, the guardrail is composed of arc-shaped supporting rods, reinforcing plates and arc-shaped guard plates, the arc-shaped supporting rods are provided in three, the three arc-shaped supporting rods are dispersedly extended in a fan shape outward, the reinforcing plates are horizontally arranged at the middle portions of the three arc-shaped supporting rods, and the arc-shaped guard plates are jointly connected to the ends of the arc-shaped supporting rods.

[0011] Optionally, the bottom of the transmission box is fixedly provided with a detector.

[0012] The utility model discloses a beneficial effect is:

[0013] The utility model discloses a guardrail, realized unmanned plane protection and support integration function, before unmanned plane taking off, guardrail is in support state, can be used as the stable support structure of unmanned plane, helps unmanned plane to keep balance on the ground, effectively prevents the body inclination, rolls over because of external force interference, provides powerful guarantee for the smooth taking off of unmanned plane, when unmanned plane takes off, the guardrail can be rotatable conversion into the protection state through the transmission box inside transmission component, surrounds around the paddle, forms a protection screen, when unmanned plane collides with the obstacle, the guardrail can bear the impact force, avoids the direct damage of paddle, thereby greatly improves the security and reliability of unmanned plane. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model kind of unmanned plane power rotor's synchronous mechanism when flying;

[0015] Figure 2 It is the structure schematic diagram of the utility model kind of unmanned plane power rotor's synchronous mechanism when flying from another visual angle;

[0016] Figure 3 It is the structure schematic diagram of the utility model unmanned plane when landing;

[0017] Figure 4 It is the structure schematic diagram of the utility model guardrail;

[0018] Figure 5 It is the structure schematic diagram of the utility model transmission box inside.

[0019] The figure mark is:

[0020] 1, unmanned plane body;

[0021] 2. first connecting rod;

[0022] 3. transmission box; 301. connecting shaft; 302. main gear; 303. from gear;

[0023] 4. rotating rod; 5. second connecting rod; 6. mounting disc;

[0024] 7. guardrail; 701. arc-shaped support rod; 702. reinforcing plate; 703. arc-shaped guard plate;

[0025] 8. ear seat; 9. fixed rod; 10. movable sleeve; 11. connecting piece; 12. driving motor; 13. detector. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0027] The utility model is described below in combination with a preferred embodiment of the device.

[0028] Embodiment one:

[0029] As shown in the accompanying Figure 1 to the accompanying Figure 5 The utility model provides a synchronous mechanism of unmanned aerial vehicle power rotor, including unmanned aerial vehicle body 1, the bottom of unmanned aerial vehicle body 1 is evenly distributed with first connecting rod 2, the bottom of first connecting rod 2 is fixedly connected with transmission box 3, the four sides of transmission box 3 are all provided with rotating rod 4, the outside of the outwardly extending end of rotating rod 4 is provided with second connecting rod 5, the other end of second connecting rod 5 is connected with mounting disc 6, the other end surface of mounting disc 6 is fixedly installed with guardrail 7, the top of transmission box 3 is fixedly installed with driving motor 12, the both sides of transmission box 3 are correspondingly provided with fixed rod 9 through ear seat 8, the outside of the both sides fixed rod 9 is oppositely provided with movable sleeve 10, the outer surface of movable sleeve 10 is connected with connecting piece 11, the both sides connecting piece 11 is self-locked with the external required load article, which is convenient for loading certain article, the bottom of transmission box 3 is fixedly installed with detector 13.

[0030] Embodiment two:

[0031] As shown in the accompanying Figure 2 to the accompanying Figure 5As shown, the embodiment is basically the same as the previous embodiment, the difference is that the guardrail 7 is composed of arc-shaped support rods 701, reinforcing plates 702 and arc-shaped guard plates 703, the arc-shaped support rods 701 are provided with three, the three arc-shaped support rods 701 are fan-shaped and extend outward, the middle part of the three arc-shaped support rods 701 is provided with the reinforcing plates 702, and the end part of the arc-shaped support rods 701 is connected with the arc-shaped guard plates 703.

[0032] Further, the transmission box 3 is provided with a connecting shaft 301 fixedly connected with the output end of the driving motor 12, the end part of the connecting shaft 301 is connected with a main gear 302, the side of the main gear 302 is provided with a plurality of pinion gears 303, the plurality of pinion gears 303 are provided with four groups, the four groups of pinion gears 303 are respectively connected with the end part of the four groups of rotating rods 4, and the four groups of pinion gears 303 are all meshed with the main gear 302.

[0033] As can be seen from the above, when the unmanned aerial vehicle starts to fly, the guardrail 7 is in a supporting state at this time, the driving motor 12 is started, the output end of the driving motor 12 drives the connecting shaft 301 to rotate, the connecting shaft 301 in turn drives the main gear 302 to rotate, since the main gear 302 is meshed with the four groups of pinion gears 303, the rotation of the main gear 302 will drive the four groups of pinion gears 303 to rotate synchronously, each group of pinion gears 303 is connected with a group of rotating rods 4, the rotating rods 4 rotate in the transmission box 3, thereby driving the second connecting rod 5 and the mounting disc 6 to rotate with the rotating rods 4, thereby driving the guardrail 7 to rotate, so that the guardrail 7 rotates 180 degrees with the rotation of the rotating rods 4, after rotation, the guardrail 7 changes from the initial supporting state to the protection state, which can protect the unmanned aerial vehicle blades, prevent the blades from being collided by external objects in the flight process, and the fan-shaped distribution of the arc-shaped support rods 701 and the reinforcing plates 702 enhances the structural strength and ensures the protection;

[0034] When the unmanned aerial vehicle completes the flight task and prepares to land, the guardrail 7 is in a protection state at this time, the driving motor 12 is reversely operated, the main gear 302 is reversely rotated, thereby reversely rotating the pinion gears 303 and the rotating rods 4, the guardrail 7 is reversely rotated by 180 degrees, and returns to the initial supporting state, so that the unmanned aerial vehicle can be stably placed on the ground.

[0035] Working principle: the unmanned aerial vehicle is in the initial state of being placed on the ground, at this time the guardrail 7 is in the supporting posture, the arc-shaped supporting rod 701 of the guardrail 7 plays a supporting role, so that the unmanned aerial vehicle can be stably placed on the ground, when the unmanned aerial vehicle takes off, the driving motor 12 is started, the driving motor 12 drives the connecting shaft 301 to rotate, the connecting shaft 301 drives the main gear 302 to rotate, since the main gear 302 is meshed with the four groups of driven gears 303, the rotation of the main gear 302 will drive the four groups of driven gears 303 to rotate synchronously, each group of driven gears 303 is connected with a group of rotating rods 4, the rotating rods 4 rotate in the transmission box 3, so as to drive the second connecting rods 5 and the mounting discs 6 to rotate with the rotating rods 4, and then drive the guardrail 7 to rotate, the guardrail 7 rotates 180 degrees with the rotating rods 4, changes from the initial supporting posture to the protection posture, can play a protection role to the unmanned aerial vehicle blades, prevent the blades from being collided by external objects in the flight process, at the same time, the detector 13 continuously works, detects the surrounding environment, and transmits data to the control system of the unmanned aerial vehicle, when the unmanned aerial vehicle completes the flight task and prepares to land, at this time the guardrail 7 is in the protection posture, the driving motor 12 reverses, the driving motor 12 drives the main gear 302 to reverse, and then drives the driven gears 303 and the rotating rods 4 to reverse, the guardrail 7 rotates 180 degrees, and returns to the initial supporting posture, so that the unmanned aerial vehicle can be stably placed on the ground, the power system of the unmanned aerial vehicle body 1 stops working, the unmanned aerial vehicle lands stably, realizes the integration of the unmanned aerial vehicle protection and support, and improves the safety and reliability of the unmanned aerial vehicle.

[0036] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A synchronization mechanism for a motorized rotor of an unmanned aerial vehicle, characterized by: Including unmanned aerial vehicle body (1), the bottom of the unmanned aerial vehicle body (1) is uniformly distributed with a first connecting rod (2), the bottom of the first connecting rod (2) is fixedly connected with a transmission box (3), four sides of the transmission box (3) are provided with rotating rods (4), the outer side of one end of the rotating rod (4) extending outward is provided with a second connecting rod (5), the other end of the second connecting rod (5) is connected with a mounting disc (6), the other end surface of the mounting disc (6) is fixedly installed with a guardrail (7), and the top of the transmission box (3) is fixedly installed with a driving motor (12).

2. The synchronization mechanism of claim 1, wherein: Both sides of the transmission box (3) are provided with fixed rods (9) through ear seats (8), and the outer portions of the fixed rods (9) on both sides are oppositely sleeved with movable sleeves (10), and the outer surfaces of the movable sleeves (10) are connected with connecting pieces (11).

3. The synchronization mechanism of claim 1, wherein: The transmission box (3) is provided with a connecting shaft (301) fixedly connected with the output end of the driving motor (12), the end portion of the connecting shaft (301) is connected with a main gear (302), and the side of the main gear (302) is provided with a slave gear (303).

4. The synchronization mechanism of claim 3, wherein: The slave gear (303) is provided with four groups, and the end portions of the four groups of rotating rods (4) are connected with the four groups of slave gears (303), and the four groups of slave gears (303) are mutually engaged with the main gear (302).

5. The synchronization mechanism of claim 1, wherein: The guardrail (7) is composed of arc-shaped supporting rods (701), reinforcing plates (702) and arc-shaped guard plates (703), the arc-shaped supporting rods (701) are provided with three, the three arc-shaped supporting rods (701) are dispersed and extended outward in the shape of a fan, the middle portions of the three arc-shaped supporting rods (701) are transversely provided with reinforcing plates (702), and the end portions of the arc-shaped supporting rods (701) are commonly connected with arc-shaped guard plates (703).

6. The synchronization mechanism of claim 1, wherein: The bottom of the transmission box (3) is fixedly installed with a detector (13).

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