A UAV that is easy to land in complex environments

Abstract

The utility model discloses a drone that is convenient for landing in a complex environment, and relates to the technical field of drones. The utility model includes a bird-repelling component arranged on the top of the drone body, the bottom outer wall of the drone body is fixedly connected with a horizontal sensor and a single-chip microcomputer in sequence, and the bottom of the drone body is symmetrically provided with two angle-adjustable landing support components, and the two angle-adjustable landing support components each include a fixed frame, a transmission shaft, a landing gear, a driver and two shock absorbers. The utility model can flexibly adjust the inclination angles of the two landing gears during the landing process to achieve the effect of the drone body landing smoothly on the ground, so as to facilitate adaptation to the complex and changeable landing terrain environment; through the setting of the bird-repelling component, the birds wandering around the drone body can be effectively driven away, so as to avoid the interference and damage caused by the birds staying on the drone body, and play a good protective role.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a unmanned aerial vehicle that is convenient for landing in complex environments. Background Art

[0002] After searching, the patent with application number 201720915981.1 discloses a UAV tripod and a UAV, which includes a support part, a fixing ring is arranged on the top of the support part, and the fixing ring can rotate around its own axis. The UAV tripod is detachably connected and fixed to the fuselage of the UAV through the fixing ring, and the UAV tripod can be disassembled and assembled by rotating the fixing ring forward and backward. Although the above patent solves the technical problem of the inconvenient disassembly and assembly of the UAV tripod and fuselage in the prior art, it still has the following problems:

[0003] First, during the landing process, it is not convenient to flexibly adjust the tilt angles of the two landing racks according to the landing terrain environment, which makes it impossible for the drone to land smoothly on the ground and unable to adapt to the complex and changeable landing terrain environment;

[0004] Secondly, when the drone is unmanned, birds in the air may stay on it and cause interference and damage to it. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art and proposes a UAV that is convenient for landing in complex environments.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A drone that is convenient for landing in complex environments, comprising a bird-repelling assembly arranged on the top of the drone body, a level sensor and a single-chip microcomputer are fixedly connected to the bottom outer wall of the drone body in sequence, and two angle-adjustable landing support assemblies are symmetrically arranged at the bottom of the drone body;

[0008] The two angle-adjustable landing support assemblies each include a fixing frame fixedly connected to the bottom outer wall of the drone body, a transmission shaft rotatably mounted on the fixing frame, a landing gear fixedly connected to the transmission shaft, a driver, and two shock absorbers symmetrically arranged at the bottom of the landing gear.

[0009] Preferably, the driver includes a bearing plate fixedly connected to the side wall of the fixing frame, a stepper motor fixedly mounted on the side wall of the bearing plate, a worm fixedly mounted on the output shaft of the stepper motor, and a worm wheel fixedly mounted on the transmission shaft.

[0010] Preferably, the output shaft of the stepper motor passes through the bearing plate, and the worm and the worm wheel are meshed with each other.

[0011] Preferably, the shock absorber includes a support plate, a damper installed between the support plate and the landing gear, and a shock-absorbing spring sleeved on the damper, the top end of the shock-absorbing spring is fixedly connected to the bottom outer wall of the landing gear, and the bottom end of the shock-absorbing spring is fixedly connected to the top outer wall of the support plate, which can effectively reduce the damage to the drone body caused by the shock force during landing, which is beneficial to extending the service life of the drone body.

[0012] Preferably, the bird-repelling assembly includes a bearing seat fixedly connected to the top outer wall of the drone body, a rotating shaft rotatably connected to the bearing seat, and fan blades and a wind-reflective bird-repelling device fixedly mounted on the rotating shaft in sequence. This can effectively drive away birds wandering around the drone body, thereby avoiding interference and damage to the drone body caused by birds staying on it, and playing a good protective role.

[0013] The beneficial effects of the utility model are:

[0014] 1. When the main body of the drone of the utility model lands on the ground, the shock absorbers arranged at the bottom of the two landing gears can effectively reduce the damage to the main body of the drone caused by the shock force during landing, which is beneficial to prolonging the service life of the main body of the drone;

[0015] 2. The utility model can flexibly adjust the inclination angles of the two landing racks during the landing process through the coordinated cooperation of the level sensor, the single-chip microcomputer and the two angle-adjustable landing support components to achieve the effect of the main body of the drone landing smoothly on the ground, which is convenient for adapting to complex and changeable landing terrain environments;

[0016] 3. The utility model can effectively drive away birds hovering around the main body of the UAV by setting up the bird-repelling component, thereby preventing the interference and damage caused by the birds staying on the main body of the UAV, and playing a good protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the overall bottom view of the utility model;

[0019] Figure 3 It is a schematic diagram of the planar structure of the utility model as a whole viewed from the front;

[0020] Figure 4 It is a partial three-dimensional enlarged structural schematic diagram of the angle-adjustable landing support assembly in the utility model;

[0021] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure of part A.

[0022] In the figure: 1. UAV body; 2. Level sensor; 3. Single chip microcomputer; 4. Fixed frame; 5. Transmission shaft; 6. Landing gear; 7. Load plate; 8. Stepper motor; 9. Worm; 10. Worm gear; 11. Support plate; 12. Damper; 13. Shock-absorbing spring; 14. Bearing seat; 15. Rotating shaft; 16. Fan blades; 17. Wind-powered reflective bird repeller. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1, reference Figure 1-5 , a drone that is convenient for landing in a complex environment, comprising a level sensor 2 and a single chip computer 3 that are sequentially fixedly connected to the outer wall of the bottom of a drone body 1;

[0025] In this embodiment, two angle-adjustable landing support assemblies are symmetrically arranged at the bottom of the drone body 1, and the two angle-adjustable landing support assemblies each include:

[0026] A fixing frame 4, a transmission shaft 5, and a landing gear 6. The fixing frame 4 is fixedly connected to the bottom outer wall of the drone body 1. The transmission shaft 5 is rotatably mounted on the fixing frame 4. The landing gear 6 is fixedly connected to the transmission shaft 5.

[0027] The driver comprises a bearing plate 7 fixedly connected to the side wall of the fixing frame 4, a stepping motor 8 fixedly mounted on the side wall of the bearing plate 7, a worm 9 fixedly sleeved on the output shaft of the stepping motor 8, and a worm wheel 10 fixedly sleeved on the transmission shaft 5. The output shaft of the stepping motor 8 passes through the bearing plate 7, and the worm 9 and the worm wheel 10 are meshed with each other.

[0028] Two shock absorbers are symmetrically arranged at the bottom of the landing gear 6, the shock absorbers include a support plate 11, a damper 12 installed between the support plate 11 and the landing gear 6, and a shock absorbing spring 13 sleeved on the damper 12, the top end of the shock absorbing spring 13 is fixedly connected to the bottom outer wall of the landing gear 6, and the bottom end of the shock absorbing spring 13 is fixedly connected to the top outer wall of the support plate 11;

[0029] In the specific implementation of this embodiment: first, when the drone body 1 lands on the ground, the shock absorbers arranged at the bottom of the two landing racks 6 can effectively reduce the damage to the drone body 1 caused by the shock force during landing, which is conducive to extending the service life of the drone body 1;

[0030] Secondly, the balance of the drone body 1 is automatically detected by the horizontal sensor 2, and the detected information is transmitted to the single-chip computer 3, then the stepper motor 8 drives the worm 9 to rotate, and then the worm wheel 10 engaged with the worm 9 controls the landing gear 6 connected to the transmission shaft 5 to rotate. In this way, the single-chip computer 3 controls the operation of the two stepper motors 8, and the inclination angles of the two landing gears 6 can be flexibly adjusted to achieve the effect of the drone body 1 landing smoothly on the ground, which is convenient for adapting to complex and changeable landing terrain environments.

[0031] Example 2, reference Figure 1 and Figure 3 , This embodiment is optimized on the basis of embodiment 1, specifically: a drone that is convenient for landing in a complex environment, and also includes a bird-repelling component arranged on the top of the drone body 1;

[0032] In this embodiment, the bird-repelling assembly includes a bearing seat 14 fixedly connected to the top outer wall of the drone body 1, a rotating shaft 15 rotatably connected to the bearing seat 14, and a fan blade 16 and a wind-reflective bird-repelling device 17 fixedly mounted on the rotating shaft 15 in sequence;

[0033] In the specific implementation of this embodiment: when the drone body 1 is in flight, the fan blades 16 will be controlled to rotate due to the action of wind force, and then the wind-reflective bird repeller 17 on the shaft 15 will automatically rotate, which can effectively drive away the birds wandering around the drone body 1, thereby avoiding interference and damage caused by the birds staying on the drone body 1, and playing a good protective role.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drone that is convenient for landing in complex environments, comprising a bird-repelling assembly disposed on the top of a drone body (1), characterized in that: The outer wall of the bottom of the drone body (1) is fixedly connected in sequence with a level sensor (2) and a single-chip computer (3), and two angle-adjustable landing support assemblies are symmetrically arranged at the bottom of the drone body (1); The two angle-adjustable landing support assemblies each comprise a fixing frame (4) fixedly connected to the outer wall of the bottom of the drone body (1), a transmission shaft (5) rotatably mounted on the fixing frame (4), a landing gear (6) fixedly connected to the transmission shaft (5), a driver, and two shock absorbers symmetrically arranged at the bottom of the landing gear (6).

2. The UAV that is convenient for landing in complex environments according to claim 1, characterized in that: The driver comprises a bearing plate (7) fixedly connected to the side wall of a fixing frame (4), a stepping motor (8) fixedly mounted on the side wall of the bearing plate (7), a worm (9) fixedly sleeved on the output shaft of the stepping motor (8), and a worm wheel (10) fixedly sleeved on the transmission shaft (5).

3. The UAV that is convenient for landing in complex environments according to claim 2, characterized in that: The output shaft of the stepper motor (8) passes through the carrier plate (7), and the worm (9) and the worm wheel (10) are meshed with each other.

4. The UAV that is convenient for landing in complex environments according to claim 1, characterized in that: The shock absorber comprises a support plate (11), a damper (12) installed between the support plate (11) and the landing gear (6), and a shock absorbing spring (13) sleeved on the damper (12).

5. The UAV that is convenient for landing in complex environments according to claim 4, characterized in that: The top end of the shock absorbing spring (13) is fixedly connected to the bottom outer wall of the landing gear (6), and the bottom end of the shock absorbing spring (13) is fixedly connected to the top outer wall of the support plate (11).

6. The UAV that is convenient for landing in complex environments according to claim 1, characterized in that: The bird-repelling assembly comprises a bearing seat (14) fixedly connected to the top outer wall of the drone body (1), a rotating shaft (15) rotatably connected to the bearing seat (14), and a fan blade (16) and a wind-reflective bird-repelling device (17) fixedly mounted on the rotating shaft (15) in sequence.

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