An unmanned aerial vehicle and its landing gear

Abstract

The present invention discloses a drone and its landing gear mechanism. Among them, a landing gear mechanism includes two sets of buffer brackets and two sets of fixed brackets. The buffer brackets are rotatably installed within the fixed brackets. A drone includes a communication system, and the communication system includes a network unit and a data transmission unit. The network unit and the data transmission unit are electrically connected, and the 5G network enables remote communication of the drone. The landing gear mechanism provided by the present invention successively arranges the buffer brackets and the fixed brackets, which provides a buffer force for the drone to land while having a simple molding and low cost, reducing the processing cost of the drone. When the drone is in a flying state, the landing gear mechanism is accommodated within the landing gear mechanism body to avoid being damaged by impact. When the drone lands, the landing gear mechanism extends from the side wall of the landing gear mechanism body, and the transmission connection mode of the braking motor can lock the landing gear mechanism on the takeoff and landing platform, improving the stability of the drone when docking.

Description

Technical Field

[0001] The present invention belongs to the technical field of unmanned aerial vehicles, and more specifically, particularly relates to an unmanned aerial vehicle; and further relates to a take-off and landing mechanism of the unmanned aerial vehicle. Background Art

[0002] Drones are unmanned aircraft controlled by radio remote control equipment or self-provided program control devices. At present, drones are widely used in aerial photography, agriculture, plant protection, micro selfies, express delivery, disaster relief, wildlife observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, creating romance, etc. Compared with manned aircraft, drones are small in size, low in cost, and easy to use.

[0003] At present, many drones are equipped with landing mechanisms for adaptively landing on the landing platform. In the related technology, the drone is not stable enough when landing and cannot be stably docked on the landing platform. In addition, due to the high positioning accuracy requirements for the drone during landing, zero deviation landing is required, and the operation is relatively complicated. And because it is often necessary to add an intelligent control system, the cost is high. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art, and to propose a drone that integrates a flight control system, a payload control system, an image transmission system, a data processing system, and a resource management system, and focuses on comprehensive drone management and control, industry application empowerment, and heterogeneous fusion capabilities.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The present application provides a lifting and lowering mechanism, comprising two groups of buffer brackets and two groups of fixed brackets, wherein the buffer brackets are rotatably installed in the fixed brackets, the fixed brackets are symmetrical and connected to the bottom surface of the mounting main board, and a driving part is arranged between the two groups of fixed brackets at the bottom of the mounting main board, wherein the driving part is arranged in two groups, and the two groups of driving parts are respectively connected to the two groups of buffer brackets in a transmission manner.

[0007] Wherein, the buffer bracket includes a rotating shaft and a connecting plate fixedly installed on the surface of the rotating shaft, one side of the connecting plate is elastically connected to a ground support plate, and pulleys are rotatably installed on both sides of the ground support plate.

[0008] Among them, the fixed bracket includes two groups of threaded locating pins, one end of the threaded locating pins is threadedly connected to the bottom surface of the mounting main board, and a fixing plate is fixedly installed on the top of the two groups of threaded locating pins. A mounting groove is opened in the fixing plate, and the rotating shaft is installed in the mounting groove. A yield groove is opened on one side of the mounting groove, and the yield groove is used to store the lifting and lowering mechanism.

[0009] Among them, the driving part includes a motor and a first synchronous pulley drivingly connected to one side of the motor. The first synchronous pulley is fixedly installed at one end of a rotating shaft. A second synchronous pulley is fixedly installed at the output shaft end of the motor. The first synchronous pulley and the second synchronous pulley are drivingly connected by a synchronous belt.

[0010] Among them, a number of groups of elastic connecting members are equidistantly arrayed between the connecting plate and the floor supporting plate. The elastic connecting member includes a hollow tube and a first guiding rod slidably installed in the hollow tube. A limiting plate is fixedly installed on the outer wall of one end of the hollow tube at the position where the hollow tube and the first guiding rod are slidably connected. A spring is fixedly connected between the limiting plate and the connecting plate.

[0011] Among them, the spring is a composite material spring. An auxiliary material layer is arranged on the surface of the spring. The forming process of the auxiliary material layer includes vacuum pumping, with a vacuum pressure of 0.08 - 0.098 MPa, and ultraviolet lamp irradiation curing of the outer surface of the circular soft body material to cure it into a composite material spring.

[0012] Among them, an adjusting plate is arranged on the bottom surface of the installation main board. The installation surface of the motor is fixedly installed on the lower surface of the adjusting plate. An adjusting rod is arranged between the middle position of one side of the adjusting plate and the installation main board. Second guiding rods are symmetrically arranged on both sides of the adjusting rod. One end of the second guiding rod is fixedly installed on the bottom surface of the installation main board. One side of the adjusting plate is fixedly connected with a second hollow tube. The end of the second guiding rod far from the installation main board is slidably connected with the second hollow tube.

[0013] Among them, camera assemblies are annularly and equidistantly arrayed on the outer wall of the installation main board. The camera assembly includes a camera main housing, a rotating part, and a camera connected to the rotating part and extending outside the camera main housing. The camera includes: a housing, a lens, and a main control board. The housing is a structure with both ends penetrating. One end of the lens is embedded in one end of the housing. The other end of the housing is connected to the main control board of the installation main board. A photosensitive element is arranged in the main control board of the installation main board.

[0014] An unmanned aerial vehicle, the installation main board is fixedly installed on the bottom surface of the unmanned aerial vehicle. It further includes a communication system. The communication system includes a network unit and a data transmission unit. The network unit and the data transmission unit are electrically connected. The 5G network enables remote communication, real-time control, and real-time transmission of the unmanned aerial vehicle. When using the network below 300 m in altitude for communication with the ground, a single network is adopted. Based on the 5G communication network, through 5G network slicing technology, a dedicated communication network for the unmanned aerial vehicle is established. Relying on the 5G network to achieve remote communication, real-time control, and real-time transmission of the unmanned aerial vehicle. When using the network below 300 m in altitude for communication with the ground, a single network is adopted. Based on the 5G communication network, through 5G network slicing technology, a dedicated communication network for the unmanned aerial vehicle is established.

[0015] Technical effects and advantages of the present invention:

[0016] A drone provided by the present invention includes an installation main board, which is set as a six-sided three-dimensional carrier. A number of groups of cameras are fixedly arranged annularly on the outer wall of the three-dimensional carrier of the installation main board. A photosensitive element is arranged in the camera main control board to collect high-definition data images, and the images are transmitted in real time and synchronously through the established 5G network communication unit. The drone takes the 5G network as the core entry point, integrating a flight control system, a payload control system, an image transmission system, a data processing system, and a resource management system, focusing on the comprehensive control of drones, industry application empowerment, and heterogeneous integration capabilities;

[0017] A landing gear mechanism provided by the present invention successively arranges a buffer bracket and a fixed bracket, and an elastic component is arranged between the buffer bracket and the fixed bracket. An auxiliary material layer is arranged on the surface of the elastic component and is cured by ultraviolet lamp irradiation to form a composite material spring. It has good mechanical properties, a smooth surface, and corrosion resistance. While providing a buffer force for the drone to land, it has a simple molding process and low cost, reducing the processing cost of the drone;

[0018] A landing gear mechanism provided by the present invention is accommodated in the landing gear mechanism body when the drone is in flight, avoiding being damaged by impact. When the drone lands, the landing gear mechanism extends out from the side wall of the landing gear mechanism body, and the transmission connection mode of the braking motor can lock the landing gear mechanism on the landing platform, improving the stability of the drone when docking. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of the drone in the flight state of the present invention;

[0020] Figure 2 is a three-dimensional structural schematic diagram of the bottom view of the drone of the present invention;

[0021] Figure 3 is an exploded three-dimensional structural schematic diagram of the bottom view of the drone of the present invention;

[0022] Figure 4 is a three-dimensional structural schematic diagram of the landing gear mechanism of the present invention;

[0023] Figure 5 is of the present invention Figure 4 enlarged structural schematic diagram of part A;

[0024] Figure 6 is of the present invention Figure 4 enlarged structural schematic diagram of part B;

[0025] Figure 7 is a block diagram of the drone control system of the present invention.

[0026] In the figure: 1, mounting main board; 2, buffer bracket; 201, rotating shaft; 202, connecting plate; 203, floor support plate; 204, pulley; 3, fixed bracket; 301, threaded positioning pin; 302, fixing plate; 303, mounting groove; 304, relief groove; 4, driving part; 401, motor; 402, first synchronous pulley; 403, second synchronous pulley; 5, elastic connecting piece; 501, hollow tube; 502, first guide rod; 503, limiting plate; 504, spring; 6, adjusting plate; 7, adjusting rod; 8, second guide rod; 9, second hollow tube; 10, camera assembly; 1001, main camera housing; 1002, rotating part; 1003, camera. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention. Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents the selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present invention.

[0029] In the present invention, unless otherwise clearly defined and limited, the terms "mount", "connect", "couple", "fix" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances of the specification.

[0030] This application provides a lifting mechanism, as Figure 2-7, including two groups of buffer brackets 2 and two groups of fixed brackets 3, the buffer bracket 2 is rotatably installed in the fixed bracket 3, the fixed bracket 3 is symmetrical and connected to the bottom surface of the mounting main board 1, the buffer bracket 2 includes a rotating shaft 201 and a connecting plate 202 fixedly installed on the surface of the rotating shaft 201, one side of the connecting plate 202 is elastically connected to a floor support plate 203, and pulleys 204 are rotatably installed on both sides of the floor support plate 203. The fixing bracket 3 includes two groups of threaded locating pins 301, one end of the threaded locating pins 301 is threadedly connected to the bottom surface of the mounting main board 1, and a fixing plate 302 is fixedly installed on the top of the two groups of threaded locating pins 301. A mounting groove 303 is opened in the fixing plate 302, and the rotating shaft 201 is installed in the mounting groove 303. A yield groove 304 is opened on one side of the mounting groove 303. The yield groove 304 is used for storing the lifting and lowering mechanism, and is driven by the driving part 4 to drive the rotating shaft 201 to rotate. Since the opening angles of the lifting and lowering mechanism are opposite, two groups of driving parts 4 are provided to respectively control the two-way storage and opening of the lifting and lowering mechanism.

[0031] A driving part 4 is provided between the two groups of fixed brackets 3 at the bottom of the mounting main board 1. The driving part 4 is provided with two groups. The two groups of driving parts 4 are respectively connected to the two groups of buffer brackets 2 in transmission. The driving part 4 includes a motor 401 and a first synchronous pulley 402 that is transmission-connected to one side of the motor 401. The first synchronous pulley 402 is fixedly installed on one end of the rotating shaft 201. A second synchronous pulley 403 is fixedly installed on the output shaft end of the motor 401. The first synchronous pulley 402 and the second synchronous pulley 403 are connected through a synchronous belt transmission. The motor 401 is used to perform transmission between the first synchronous pulley 402 and the second synchronous pulley 403 to control the storage and opening of the entire lifting and lowering mechanism.

[0032] There are several groups of elastic connectors 5 in an equidistant array between the connecting plate 202 and the landing support plate 203, and the elastic connector 5 includes a hollow tube 501 and a first guide rod 502 slidably installed in the hollow tube 501. A limit plate 503 is fixedly installed on the outer wall of one end of the hollow tube 501 at the sliding connection position between the hollow tube 501 and the first guide rod 502. A spring 504 is fixedly connected between the limit plate 503 and the connecting plate 202. The spring 504 is a composite material spring, and an auxiliary material layer is arranged on the surface of the spring 504. The molding process of the auxiliary material layer includes vacuuming, and the vacuum pressure is 0.08-0.098MPa. The outer surface of the round soft material is cured by ultraviolet light irradiation, and the composite material spring is cured to have good mechanical properties, a smooth surface, and corrosion resistance. It provides a buffer force for the landing of the UAV, and is simple to mold, low in cost, and reduces the processing cost of the UAV.

[0033] A regulating plate 6 is provided on the bottom surface of the mounting main board 1. The mounting surface of the motor 401 is fixedly mounted on the lower surface of the regulating plate 6. A regulating rod 7 is provided between the center position on one side of the regulating plate 6 and the mounting main board 1. Second guiding rods 8 are symmetrically arranged on both sides of the regulating rod 7. One end of each second guiding rod 8 is fixedly mounted on the bottom surface of the mounting main board 1. A second hollow tube 9 is fixedly connected to one side of the regulating plate 6. The end of the second guiding rod 8 away from the mounting main board 1 is slidably connected to the second hollow tube 9. During use, by rotating the regulating rod 7, the distance between the mounting main board 1 and the regulating plate 6 can be adjusted for tension adjustment of the transmission synchronous belt to ensure transmission stability.

[0034] The outer wall of the mounting main board 1 is annularly and equidistantly arrayed with camera assemblies 10. Each camera assembly 10 includes a camera main housing 1001, a rotating part 1002, and a camera 1003 connected to the rotating part 1002 and extending outside the camera main housing 1001. The camera 1003 includes: a housing, a lens, and a main control board. The housing has a structure with both ends penetrating. One end of the lens is embedded in one end of the housing. The other end of the housing is connected to the main control board of the mounting main board 1. The main control board of the mounting main board 1 is provided with a photosensitive element, which broadens the shooting range of the shooting device and improves the shooting effect; it has strong practicability. Cameras are installed on the side walls of the six-sided three-dimensional carrier, which can protect the drone camera and prevent the camera from being damaged due to falling.

[0035] The present invention also provides a drone as Figure 1-4 described. The mounting main board 1 is fixedly mounted on the bottom surface of the drone. It further includes a communication system. The communication system includes a network unit and a data transmission unit. The network unit and the data transmission unit are electrically connected. The 5G network enables remote communication, real-time control, and real-time transmission of the drone. When using the network below 300 m above the ground for communication with the ground, a single network is adopted. Based on the 5G communication network, through 5G network slicing technology, a dedicated drone communication network is established. This platform can provide basic flight service capabilities such as surveillance, equipment management, resource scheduling, flight path planning, and airspace data, and can also utilize AI capabilities to achieve "one-key closed-loop", autonomous flight, automatic analysis, etc., to realize the full-process automated closed-loop.

[0036] This platform takes the 5G network as the core of the network unit, integrating a flight control system, a payload control system, an image transmission system, an environmental information acquisition system, and a resource management system, focusing on the comprehensive management and control of drones, industry application empowerment, and heterogeneous integration capabilities.

[0037] It should be noted that the environmental information acquisition system refers to the ability of the drone to collect flight information, signal strength signals, and surrounding environmental information in real time. The flight information includes load signals, longitudinal (lateral) vertical distance signals, and angle signals. The environmental information includes light intensity signals, wind speed signals, and temperature signals. The flight status is analyzed based on the above information, that is, the load signal, lateral vertical distance signal, angle signal, light intensity signal, wind speed signal, temperature signal, and signal strength signal are calibrated, internally corrected and analyzed, and overall weighted to obtain the flight coefficient i1, environmental coefficient i2, and flight status coefficient i3. After preset comparison, the respective comparison signals are obtained and combined to generate various signal sets. Accordingly, the corresponding solution measures are retrieved and sent to the handheld control terminal for display. At the same time, the total number of occurrences of various signal sets is compared with the set performance threshold to generate the corresponding performance signals. When the same signal set within this type of performance signal is received, the corresponding solution measure is directly sent to the handheld control terminal. The signals are transmitted by the 5G communication network and converted into readable and writable data instructions and records by the data transmission unit.

[0038] The above is only a preferred specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A landing gear mechanism, characterized in that: The invention comprises a mounting mainboard (1), two groups of buffer brackets (2) and two groups of fixed brackets (3), wherein the buffer brackets (2) are rotatably mounted in the fixed brackets (3), the fixed brackets (3) are symmetrical and connected to the bottom surface of the mounting mainboard (1), a driving part (4) is arranged between the two groups of fixed brackets (3) and located at the bottom of the mounting mainboard (1), the driving part (4) is arranged in two groups, and the two groups of driving parts (4) are respectively connected to the two groups of buffer brackets (2) in a transmission manner; the buffer bracket (2) comprises a rotating shaft (201) and a connecting plate (202) fixedly mounted on the surface of the rotating shaft (201); The fixing bracket (3) comprises two groups of threaded positioning pins (301), one end of the threaded positioning pins (301) is threadedly connected to the bottom surface of the mounting main board (1), a fixing plate (302) is fixedly mounted on the top of the two groups of threaded positioning pins (301), a mounting groove (303) is provided in the fixing plate (302), the rotating shaft (201) is installed in the mounting groove (303), a clearance groove (304) is provided on one side of the mounting groove (303), and the clearance groove (304) is used for accommodating the lifting and lowering mechanism; The driving part (4) comprises a motor (401) and a first synchronous pulley (402) which is transmission-connected to one side of the motor (401), the first synchronous pulley (402) is fixedly mounted on one end of the rotating shaft (201), a second synchronous pulley (403) is fixedly mounted on the output shaft end of the motor (401), and the first synchronous pulley (402) and the second synchronous pulley (403) are transmission-connected via a synchronous belt; an adjustment plate (6) is arranged on the bottom surface of the mounting main board (1), the mounting surface of the motor (401) is fixedly mounted on the bottom surface of the adjustment plate (6), an adjustment rod (7) is arranged between the center position of one side of the adjustment plate (6) and the mounting main board (1), second guide rods (8) are symmetrically arranged on both sides of the adjustment rod (7), one end of the second guide rod (8) is fixedly mounted on the bottom surface of the mounting main board (1), one side of the adjustment plate (6) is fixedly connected to a second hollow tube (9), and the second guide rod (8) is slidingly connected to the second hollow tube (9) at one end away from the mounting main board (1); When in use, the adjustment rod (7) is rotated to adjust the distance between the mounting main plate (1) and the adjustment plate (6), so as to adjust the tension of the transmission synchronous belt.

2. The landing gear mechanism according to claim 1, characterized in that: One side of the connection plate (202) is elastically connected to a ground support plate (203), and pulleys (204) are rotatably mounted on both sides of the ground support plate (203).

3. The landing gear mechanism according to claim 2, characterized in that: A plurality of groups of elastic connectors (5) are arranged in an equidistant array between the connecting plate (202) and the ground support plate (203), wherein the elastic connector (5) comprises a hollow tube (501) and a first guide rod (502) slidably mounted in the hollow tube (501), a limiting plate (503) is fixedly mounted on the outer wall of one end of the hollow tube (501) at a position where the hollow tube (501) and the first guide rod (502) are slidably connected, and a spring (504) is fixedly connected between the limiting plate (503) and the connecting plate (202).

4. The landing gear mechanism according to claim 3, characterized in that: The spring (504) is a composite material spring, and an auxiliary material layer is provided on the surface of the spring (504). The forming process of the auxiliary material layer includes vacuum pumping, with a vacuum pressure of 0.08 to 0.098 MPa, and ultraviolet lamp irradiation curing of the outer surface of the circular soft material, and curing it into a composite material spring.

5. The landing gear mechanism according to claim 1, characterized in that: The outer wall of the mounting main board (1) is annularly and equidistantly arrayed with camera assemblies (10). The camera assembly (10) includes a camera main housing (1001), a rotating part (1002), and a camera (1003) connected to the rotating part (1002) and extending outside the camera main housing (1001). The camera (1003) includes: a housing, a lens, and a main control board. The housing has a structure with both ends penetrating. One end of the lens is embedded in one end of the housing, and the other end of the housing is connected to the main control board of the mounting main board (1). The main control board of the mounting main board (1) is provided with a photosensitive element.

6. A drone, characterized in that: It includes at least one landing gear mechanism according to any one of claims 1-5. The mounting main board (1) is fixedly installed on the bottom surface of the drone. It further includes a communication system. The communication system includes a network unit and a data transmission unit. The network unit and the data transmission unit are electrically connected. 5G network realizes remote communication, real-time control, and real-time transmission of the drone. When using the network below 300 m altitude for communication with the ground, a single network is adopted. On the basis of the 5G communication network, through 5G network slicing technology, a dedicated communication network for the drone is established.

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