Simple propeller collecting device of unmanned aerial vehicle

Abstract

The utility model discloses a simple propeller collecting device of an unmanned aerial vehicle. The simple propeller collecting device comprises a rack, two rotating rods and two rotating driving mechanisms. The two rotating rods are arranged in the rack in parallel in a spaced mode, and the two ends of each rotating rod extend outwards from one side of the rack in a penetrating mode. The two ends of each rotating rod are each connected with a rotating base, and stop rods are further installed on the rotating bases. The two rotating driving mechanisms are mounted in the rack, and the two rotating driving mechanisms are respectively connected with a rotating rod; one rotation driving mechanism is used for driving the rotating rod to rotate clockwise, and the other rotation driving mechanism is used for driving the rotating rod to rotate anticlockwise; a clamping and positioning mechanism is further installed on the rack and used for limiting and fixing the unmanned aerial vehicle. According to the utility model, a pure mechanical structure is adopted to realize propeller collection, communication cooperation of an unmanned aerial vehicle is not needed, and the cost is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a simple propeller retracting device for an unmanned aerial vehicle. Background Technique

[0002] An unmanned aerial vehicle automatic airport can store unmanned aerial vehicles and provide the function of automatic charging for unmanned aerial vehicles. At present, existing automatic airports are usually limited by the volume of the propeller blades after the unmanned aerial vehicle lands, so the volume of the airport is also very large and is often limited by the spatial position during some deployments and operations. At this time, the propeller retracting structure can greatly reduce this volume problem. Commonly used on the market is to let the propeller blades of the aircraft retract into the cabin while rotating slowly. When the propeller blades encounter obstacles, they will automatically fold due to the resistance until the whole enters the cabin. However, this technology has very high requirements for the aircraft and communication control, the cost is relatively high, and the structure is relatively complex. Therefore, it needs to be improved. Content of the Utility Model

[0003] The purpose of the utility model is to provide a simple propeller retracting device for an unmanned aerial vehicle. This device uses a simple mechanical structure to realize propeller retraction, without the need for communication cooperation of the unmanned aerial vehicle, greatly reducing the cost. At the same time, a clamping and positioning mechanism is provided, which can clamp and limit the unmanned aerial vehicle to avoid its shaking, improve the stability of its placement, and the overall design is reasonable, the structure is compact, the use is convenient, and the practicability is strong.

[0004] To achieve the above purpose, the following technical solutions are adopted:

[0005] A simple propeller retracting device for an unmanned aerial vehicle, including a frame, two rotating rods, and two rotating driving mechanisms; the two rotating rods are arranged in parallel at intervals inside the frame, and both ends of the rotating rods extend outwards from one side of the frame; each end of each rotating rod is further connected with a rotating seat, and a retaining rod is also installed on the rotating seat; the two rotating driving mechanisms are installed inside the frame, and the two rotating driving mechanisms are respectively connected with a rotating rod; one of the rotating driving mechanisms is used to drive the rotating rod to rotate clockwise, and the other rotating driving mechanism is used to drive the rotating rod to rotate counterclockwise; a clamping and positioning mechanism is also installed on the frame, and the clamping and positioning mechanism is used to limit and fix the unmanned aerial vehicle.

[0006] Furthermore, two first fixing blocks are installed on one inner wall of the frame, and two second fixing blocks corresponding to the two first fixing blocks are installed on the other inner wall of the frame; a first bearing and a second bearing are respectively installed inside the first fixing block and the second fixing block; both ends of the rotating rod respectively pass through the first bearing and the second bearing, and the parts of the rotating rod passing through the first bearing and the second bearing are respectively connected with the first bearing and the second bearing.

[0007] Further, the rotation driving mechanism includes a rotary motor installed inside the frame, a driving wheel installed on the output shaft of the rotary motor, a driven wheel installed on the rotating rod, and a synchronous belt wound between the driving wheel and the driven wheel.

[0008] Further, the frame includes a fixed frame, a sliding seat, and a stop platform; a receiving groove is formed along the length direction at the top of the fixed frame, and a fixed stop block is fixedly connected to one end inside the receiving groove; a slide rail is also arranged along the length direction inside the receiving groove, and the sliding seat is slidably connected to the slide rail; a spring is connected between one end of the sliding seat and one side of the fixed stop block; the stop platform is connected to the top of the fixed frame, and a fixed clamping block is connected to one end of the top of the stop platform away from the fixed stop block, and a sliding clamping block is also arranged at the corresponding position at the other end of the top of the stop platform; the sliding clamping block is connected to the top of the sliding seat; a translation driving mechanism is installed at one end of the fixed frame and is connected to the other end of the sliding seat.

[0009] Further, a guiding slide hole communicating with the receiving groove is formed at the top of the stop platform, and the sliding seat is arranged below the guiding slide hole; a connecting rod is also connected to the top of the sliding seat, and one end of the connecting rod passes through the guiding slide hole and is connected to the sliding clamping block.

[0010] Further, the translation driving mechanism includes a translation push rod and a translation cylinder; one end of the translation push rod is movably inserted into the receiving groove and is connected to the other end of the sliding seat; the translation cylinder is installed at one end of the fixed frame and is connected to the other end of the translation push rod.

[0011] Adopting the above solution, the beneficial effects of the present utility model are as follows:

[0012] The present utility model realizes the folding of the propeller by using a simple mechanical structure, without the need for communication cooperation with the drone, greatly reducing the cost. At the same time, a clamping and positioning mechanism is provided, which can clamp and limit the drone to avoid its shaking, improve the stability of its placement, and has a reasonable overall design, a compact structure, is easy to use, and has strong practicability. Description of the Drawings

[0013] Figure 1 is the top view of the present utility model;

[0014] Figure 2 is the front view of the present utility model;

[0015] Figure 3 is the exploded view of the frame of the present utility model;

[0016] Among them, the description of the reference numerals in the drawings is as follows:

[0017] 1. Rotating rod; 2. Rotating drive mechanism; 3. Stop rod; 4. Fixed frame; 5. Sliding seat; 6. Shutdown platform; 51. Accommodating groove; 52. Fixed stop block; 53. Spring; 54. Fixed clamping block; 55. Sliding clamping block; 56. Guide sliding hole; 57. Translation push rod. Detailed implementation manner

[0018] The present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] Refer to Figures 1 to 3 As shown, the present utility model provides a simple propeller retracting device for an unmanned aerial vehicle. In one embodiment, it includes a frame, two rotating rods 1, and two rotating drive mechanisms 2. The two rotating rods 1 are arranged in parallel at intervals inside the frame, and both ends of the rotating rod 1 extend outwards from one side of the frame. Each end of each rotating rod 1 is further connected to a rotating seat, and a stop rod 3 is also installed on the rotating seat. The two rotating drive mechanisms 2 are installed inside the frame, and the two rotating drive mechanisms 2 are respectively connected to a rotating rod 1. One of the rotating drive mechanisms 2 is used to drive the rotating rod 1 to rotate clockwise, and the other rotating drive mechanism 2 is used to drive the rotating rod 1 to rotate counterclockwise. A clamping and positioning mechanism is also installed on the frame, and the clamping and positioning mechanism is used to limit and fix the unmanned aerial vehicle.

[0020] Continue to refer to Figures 1 to 3 As shown, after the unmanned aerial vehicle lands on the frame, the clamping and positioning mechanism limits and fixes the unmanned aerial vehicle. The rotating drive mechanism 2 drives the rotating seat to drive the rotating rod 1 (carbon fiber rod) to rotate. During the rotation of the rotating rod 1, it contacts the propeller blade, and the propeller blade retracts inward due to free force, completing the propeller retraction. In this embodiment, two first fixing blocks are installed on the inner wall of one side of the frame, and two second fixing blocks are installed at the positions corresponding to the two first fixing blocks on the inner wall of the other side of the frame. A first bearing and a second bearing are respectively installed inside the first fixing block and the second fixing block. Both ends of the rotating rod 1 pass through the first bearing and the second bearing respectively, and the parts of the rotating rod 1 passing through the first bearing and the second bearing are respectively connected to the first bearing and the second bearing. The connection between the rotating rod 1 and the bearing ensures the smoothness of its rotation. In addition, the rotating drive mechanism 2 includes a rotating motor installed inside the frame, a driving wheel installed on the output shaft of the rotating motor, a driven wheel installed on the rotating rod 1, and a synchronous belt wound between the driving wheel and the driven wheel. The rotating motor drives the driving wheel to rotate. When the driving wheel rotates, it drives the driven wheel to rotate through the synchronous belt, and then drives the rotating rod 1 to rotate.

[0021] In one embodiment, the frame includes a fixed frame 4, a sliding seat 5, and a parking platform 6; a receiving groove 51 is formed in the top of the fixed frame 4 along its length direction, and a fixed stop block 52 is fixedly connected to one end in the receiving groove 51; a slide rail is further arranged in the receiving groove 51 along its length direction, and the sliding seat 5 is slidably connected to the slide rail; a spring 53 is connected between one end of the sliding seat 5 and one side of the fixed stop block 52; the parking platform 6 is connected to the top of the fixed frame 4, and a fixed clamping block 54 is connected to one end of the top of the parking platform 6 away from the fixed stop block 52, and a sliding clamping block 55 is further arranged at the corresponding position of the other end of the top of the parking platform 6; the sliding clamping block 55 is connected to the top of the sliding seat 5; a translation driving mechanism is further installed at one end of the fixed frame 4, and the translation driving mechanism is connected to the other end of the sliding seat 5. When the drone parks, the translation driving mechanism drives the sliding seat 5 to drive the sliding clamping block 55 to move away from the fixed clamping block 54. At this time, the sliding seat 5 will compress the spring 53 to make the spring 53 in a compressed state; then, after the drone stops on the parking platform 6, the thrust applied to the sliding seat 5 is withdrawn, and under the driving of the restoring force of the spring 53, the sliding clamping block 55 can be driven to move towards the fixed clamping block 54, thereby clamping and limiting the drone.

[0022] In one embodiment, a guiding slide hole 56 communicating with the receiving groove 51 is formed in the top of the parking platform 6, and the sliding seat 5 is arranged below the guiding slide hole 56; a connecting rod is further connected to the top of the sliding seat 5, and one end of the connecting rod passes through the guiding slide hole 56 and is connected to the sliding clamping block 55. The sliding seat 5 is connected to the slide rail, which can ensure the smoothness of its sliding. At the same time, one end of the connecting rod passes through the guiding slide hole 56 and is connected to the sliding clamping block 55. With such a structural design, the compactness of the overall structure can be ensured. In addition, the translation driving mechanism includes a translation push rod 57 and a translation cylinder; one end of the translation push rod 57 is movably inserted into the receiving groove 51 and is connected to the other end of the sliding seat 5; the translation cylinder is installed at one end of the fixed frame 4 and is connected to the other end of the translation push rod 57. The translation cylinder can drive the sliding seat 5 to move through the translation push rod 57, thereby driving the sliding clamping block 55 to approach or move away from the fixed clamping block 54 to realize the clamping function of the drone.

[0023] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A simple propeller retracting device for a drone, characterized in that: It includes a frame, two rotating rods, and two rotating drive mechanisms; the two rotating rods are arranged in parallel and at intervals in the frame, and the two ends of the rotating rods are respectively extended outward from one side of the frame; the two end portions of each rotating rod are also connected to a rotating seat, and a blocking rod is also installed on the rotating seat; the two rotating drive mechanisms are installed in the frame, and the two rotating drive mechanisms are respectively connected to a rotating rod; one of the rotating drive mechanisms is used to drive the rotating rod to rotate clockwise, and the other rotating drive mechanism is used to drive the rotating rod to rotate counterclockwise; a clamping positioning mechanism is also installed on the frame, and the clamping positioning mechanism is used to limit and fix the drone.

2. The simplified propeller retracting device for a drone according to claim 1, characterized in that: Two first fixed blocks are installed on the inner wall of one side of the frame, and two second fixed blocks are installed on the inner wall of the other side of the frame corresponding to the two first fixed blocks; a first bearing and a second bearing are installed in the first fixed block and the second fixed block respectively; two ends of the rotating rod are respectively passed through the first bearing and the second bearing, and the parts of the rotating rod passing through the first bearing and the second bearing are respectively connected to the first bearing and the second bearing.

3. The simplified propeller retracting device for a drone according to claim 2, characterized in that: The rotary drive mechanism comprises a rotary motor installed in a frame, a driving wheel installed on an output shaft of the rotary motor, a driven wheel installed on a rotary rod, and a synchronous belt wound between the driving wheel and the driven wheel.

4. The simplified propeller retracting device for a drone according to claim 1, characterized in that: The frame includes a fixed frame, a sliding seat, and a parking platform; a receiving groove is opened at the top of the fixed frame along its length direction, and a fixed stop block is fixedly connected to one end of the receiving groove; a slide rail is arranged in the receiving groove along its length direction, and the sliding seat is slidably connected to the slide rail; a spring is connected between one end of the sliding seat and one side of the fixed stop block; the parking platform is connected to the top of the fixed frame, and a fixed clamping block is connected to the end of the top of the parking platform away from the fixed stop block, and a sliding clamping block is arranged at the other end of the top of the parking platform corresponding to the fixed clamping block; the sliding clamping block is connected to the top of the sliding seat; a translation drive mechanism is also installed at one end of the fixed frame, and the translation drive mechanism is connected to the other end of the sliding seat.

5. The simplified propeller retracting device for a drone according to claim 4, characterized in that: A guide slide hole connected to the accommodating groove is provided on the top of the parking platform, and the sliding seat is arranged below the guide slide hole; a connecting rod is also connected to the top of the sliding seat, and one end of the connecting rod passes through the guide slide hole and is connected to the sliding clamp.

6. The simplified propeller retracting device for a drone according to claim 5, characterized in that: The translation driving mechanism includes a translation push rod and a translation cylinder; one end of the translation push rod is movably inserted into the accommodating groove and connected to the other end of the sliding seat; the translation cylinder is installed at one end of the fixing frame and connected to the other end of the translation push rod.

Images