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CN-121973981-A - Charging locking device and method for double-machine unmanned aerial vehicle nest

CN121973981ACN 121973981 ACN121973981 ACN 121973981ACN-121973981-A

Abstract

The invention discloses a charging locking device and method for a double-machine unmanned aerial vehicle nest, which belong to the technical field of unmanned aerial vehicles and comprise a turnover assembly and a landing gear assembly, wherein the landing gear assembly is arranged on the unmanned aerial vehicle and comprises a bottom chassis, conducting strips are arranged on the chassis, the conducting strips are connected with the unmanned aerial vehicle through wires, turnover shafts are arranged at two ends of the turnover assembly and are driven to rotate by turnover motors, charging hooks which can extend from front and back sides and are used for hooking the chassis are arranged in the turnover assembly, the charging hooks are arranged on corresponding steering engine transmission shafts, the steering engine transmission shafts are driven to rotate by steering engines, and charging contacts matched with the conducting strips are arranged at the bottoms of hook bottoms of the charging hooks. Under the condition that only one centering system is needed, the charging locking of two unmanned aerial vehicles can be realized at the same time, and the charging is safe and reliable.

Inventors

  • LUO JING

Assignees

  • 罗靖

Dates

Publication Date
20260505
Application Date
20240418

Claims (10)

  1. 1. The charging locking device of the double-machine unmanned aerial vehicle nest is characterized by comprising a turnover assembly and a landing gear assembly; the landing gear assembly is arranged on the unmanned aerial vehicle and comprises a machine leg (17) at the bottom, wherein a conducting strip (18) is arranged on the machine leg (17), and the conducting strip (18) is connected with the unmanned aerial vehicle through a wire; The turnover assembly is characterized in that turnover shafts (9) are arranged at two ends of the turnover assembly, the turnover shafts (9) are driven to rotate through turnover motors (13), charging hooks (11) which can extend out from the front side and the back side and are used for hooking machine legs (17) are arranged in the turnover assembly, the charging hooks (11) are arranged on corresponding steering engine transmission shafts (4), the steering engine transmission shafts (4) are driven to rotate through steering engines (7), the steering engine transmission shafts (4) drive the charging hooks (11) to rotate, and charging contacts (12) matched with conducting plates (18) are arranged at the bottoms of the hook bottoms of the charging hooks (11).
  2. 2. The charging locking device for the double-aircraft unmanned aerial vehicle nest is characterized in that the whole charging hook (11) is in a fan shape, the hook groove of the charging hook (11) is in a circular arc shape, and the circle center of the circular arc is the axis of a steering engine transmission shaft (4).
  3. 3. The charging locking device for the double-aircraft unmanned aerial vehicle nest is characterized in that the steering engine transmission shaft (4) is connected with a steering engine (7) through a transmission box, the transmission box is a gear transmission mechanism, the gear transmission mechanism comprises a large transmission gear (5) arranged on the steering engine transmission shaft (4), the large transmission gear (5) is meshed with a small transmission gear (6), and the small transmission gear (6) is connected with an output shaft of the steering engine (7).
  4. 4. The charging locking device of the double-machine unmanned aerial vehicle nest is characterized in that the overturning assembly comprises an overturning frame (1) and cover plates (2) arranged on two sides of the overturning frame (1), overturning shafts (9) are arranged on two ends of the overturning frame (1), and through holes for extending out of charging hooks (11) are formed in the cover plates (2).
  5. 5. The charging locking device for the double-aircraft unmanned aerial vehicle nest is characterized in that four steering engine transmission shafts (4) are arranged in the overturning assembly, four charging hooks (11) are arranged on each surface of the overturning frame (1), and two charging hooks (11) on the same side of the same surface are arranged on the same steering engine transmission shaft (4).
  6. 6. The charging locking device of the double-unmanned aerial vehicle nest according to claim 1, wherein the overturning shaft (9) is connected with the overturning motor (13) through a bevel gear mechanism.
  7. 7. The charging locking device of a double unmanned aerial vehicle nest according to claim 1, wherein the landing gear assembly further comprises an upper belly (15) for connection with an unmanned aerial vehicle, the upper belly (15) is connected with a stand (17) through a support rod (16), and the wire is mounted inside the stand (17) and the support rod (16).
  8. 8. The charging locking device of the double-aircraft unmanned aerial vehicle nest according to claim 1, wherein the aircraft legs (17) are long rods which are transversely arranged, and conductive sheets (18) are arranged at two ends of each long rod.
  9. 9. The charging locking device of the double-aircraft unmanned aerial vehicle nest according to claim 1 is characterized in that a conductive core (19) is arranged inside a machine leg (17) and connected with a wire, counter bore grooves (20) matched with charging contacts (12) are formed in an array mode on two sides of the machine leg (17), counter bore grooves (20) on the same side of two ends of the machine leg (17) are symmetrically distributed, elastic conductive plates (18) are arranged at the bottoms of the counter bore grooves (20), a cavity is formed between the conductive plates (18) and the conductive core (19) at intervals, mounting holes (122) are formed in a charging hook (11), a charging contact (12) is arranged in the mounting holes (122), the charging contact (12) comprises a telescopic end head portion (121) at the front end and a compression spring (123) at the rear end, the end head portion (121) is in a sharp conical shape or a conical shape, when the compression spring (123) is in an extension state, the end head of the charging wire (124) is arranged at a distance from the end head portion (121), and the end portion (121) is compressed.
  10. 10. A method for locking the charging of a double-unmanned aerial vehicle nest, characterized in that a device for locking the charging of the double-unmanned aerial vehicle nest according to any one of claims 1 to 9 is adopted, comprising the following steps: 1) Connecting the landing gear assembly with the unmanned aerial vehicle body; 2) After the unmanned aerial vehicle falls, a centering rod in the machine nest dials the unmanned aerial vehicle to a central position; 3) The steering engine (7) drives the steering engine transmission shaft (4) to rotate, the steering engine transmission shaft (4) drives the charging hook (11) to rotate, the charging hook (11) extends out of a through hole on the turnover assembly to hook the machine foot (17), and a charging contact (12) in the charging hook (11) is in contact with a conducting strip (18) on the rack to charge the unmanned aerial vehicle; 4) When the second unmanned aerial vehicle is detected to drop, the overturning motor (13) drives the overturning shaft (9) to rotate, so that the whole overturning assembly overturns 180 degrees, the other surface faces upwards, the second unmanned aerial vehicle drops onto the overturning assembly, and the step 3 is repeated; 5) When the unmanned aerial vehicle needs to take off, according to the surface where the unmanned aerial vehicle is located, the overturning motor (13) drives the overturning shaft (9) to rotate, so that the surface where the unmanned aerial vehicle needs to take off is overturned upwards, the corresponding steering engine (7) drives the steering engine transmission shaft (4) to reversely rotate, the charging hook (11) is retracted, charging is disconnected, and the unmanned aerial vehicle takes off normally.

Description

Charging locking device and method for double-machine unmanned aerial vehicle nest Technical Field The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a charging locking device and method for a double-machine unmanned aerial vehicle nest. Background The unmanned aerial vehicle plays an irreplaceable role in various industrial fields, such as power line inspection, traffic rescue, forest fire prevention and other scenes. The conventional unmanned aerial vehicle needs to perform tasks by a flying hand, and an operation of charging a battery or replacing the battery is required after the unmanned aerial vehicle works for a while. In order to thoroughly realize unmanned aerial vehicle unmanned execution tasks, various unmanned aerial vehicle nests for automatically charging and maintaining unmanned aerial vehicles are generated. The unmanned aerial vehicle nest is an unmanned aerial vehicle remote accurate take-off and landing platform which is deployed in the field and can resist severe weather such as strong wind and storm, and the unmanned aerial vehicle nest is interconnected and communicated with the control center, so that functions of automatically storing the unmanned aerial vehicle, intelligent automatic charging, real-time state monitoring, automatic data transmission and the like are realized. Unmanned aerial vehicle nest on the market is mostly single-machine operation now, but unmanned aerial vehicle is when carrying out outdoor work, is limited by its flight weight and battery capacity, and improvement of duration is the difficulty always, needs frequent battery replacement or charges, and then leads to operation interval time long, and the utilization ratio is not high, and work efficiency is low. Then, the double unmanned aerial vehicle nest developed for the single unmanned aerial vehicle nest appears, equipment for supporting one unmanned aerial vehicle nest but can stop sending two unmanned aerial vehicles is arranged in the nest, a device for driving a stop platform to rotate forward or backward and a centering mechanism for shifting the unmanned aerial vehicle to a middle position are arranged in the nest, the charging device of the equipment is used for fixing the unmanned aerial vehicle in a mode of fixing clamping jaws, but the clamping jaws cannot be installed around the unmanned aerial vehicle due to the influence of a cloud deck of the unmanned aerial vehicle, so that only the clamping jaws can be used for fixing two sides of the unmanned aerial vehicle and then the centering system inside the nest is used for fixing the unmanned aerial vehicle, then the unmanned aerial vehicle is turned to the lower side through a turning platform, two centering systems are needed to be arranged in the unmanned aerial vehicle nest, the fixed clamping volume is large, and the cost of the unmanned aerial vehicle nest equipment is synchronously increased. Disclosure of Invention Aiming at the problems, the invention provides a charging locking device for a double-unmanned aerial vehicle nest, which is used for solving the problems in the background technology, and can realize charging locking of two unmanned aerial vehicles simultaneously under the condition that only one centering system is needed, so that the charging is safe and reliable. In order to achieve the above purpose, the invention adopts the following technical scheme: A charging locking device of a double-machine unmanned aerial vehicle nest consists of a turnover assembly and a landing gear assembly; the landing gear assembly is arranged on the unmanned aerial vehicle and comprises a bottom machine leg, wherein the machine leg is provided with a conducting strip; The turnover assembly is provided with turnover shafts at two ends, the turnover shafts are driven to rotate by a turnover motor, a charging hook which can extend out from the front surface and the back surface and is used for hooking a machine leg is arranged in the turnover assembly, the charging hook is arranged on a corresponding steering engine transmission shaft, the steering engine transmission shaft is driven to rotate by a steering engine, the steering engine transmission shaft is driven to rotate by the steering engine, and a charging contact matched with a conducting plate is arranged at the bottom of the hook groove of the charging hook. Compared with the prior art, the invention has the beneficial effects that: 1. the unmanned aerial vehicle nest can charge two unmanned aerial vehicles automatically at the same time, thus lengthening the flight operation time of the device and improving the working efficiency; 2. The safety is enhanced by adopting advanced charging technology and safety protection measures, so that the safety and reliability of the charging process are ensured; 3. The charging hook is made of a 3D printing piece material, so that the precision and uniformity of the components can be ensured; 4. compar