Oil-driven differential-speed-type multi-rotor agricultural spraying aircraft of vertical type engine central transmission

Abstract

The invention discloses an oil-driven differential-speed-type multi-rotor agricultural spraying aircraft of engine central transmission, and relates to the technical field of agricultural-utilization unmanned aerial vehicles. The oil-driven differential-speed-type multi-rotor agricultural spraying aircraft of engine central transmission can achieve the purposes that the loading capacity is large, the flight time is long, the quality of spraying operation is good, the operational efficiency is high, the operational cost is low, the chemical injury brought by chemicals spraying by farmers is relieved, and the labor force is saved. An engine is fixedly connected with a central driving bevel gear of a central bevel-gear transmission case, a central driven bevel gear is fixedly installed on a horizontal center shaft of the central bevel-gear transmission case, and first bevel gears of a bevel-gear differential-motion transmission case are fixedly installed at the horizontal center shaft and two central output shafts correspondingly; and a second bevel gear is in transmission connection with a rotor input shaft of a rotor bevel-gear transmission case of a rotor transmission mechanism, rotors are fixedly installed at two rotor output shafts of the rotor bevel-gear transmission case correspondingly, a worm wheel in a worm wheel and worm transmission mechanism is rotatably installed at the rotor input shaft, and a worm is in transmission connection with an adjustable-speed motor. The oil-driven differential-speed-type multi-rotor agricultural spraying aircraft of engine central transmission is used in the fields of agricultural spraying operation, air patrol, air transportation and the like.

Description

technical field [0001] The invention relates to the technical field of agricultural unmanned aerial vehicles, in particular to an oil-driven differential multi-rotor agricultural spraying aircraft driven by an engine center, belonging to a flying platform used in the field of agricultural production. Background technique [0002] With the vigorous development of agriculture, agricultural production puts forward a higher demand for modern agricultural facilities. The advantages of agricultural aviation operations are becoming more and more significant, and their uses are becoming more and more extensive. Aviation operations can also play an important role in the standardization and intensification of agricultural services, ensuring the efficiency of large-scale land production, monitoring the use of pesticides for farmers, preventing natural disasters and pests, and improving the human living environment and ecological balance. [0003] At present, large state-owned farms suc...

AI Technical Summary

Problems solved by technology

[0003] At present, large state-owned farms such as reclamation areas mainly use man-machine spraying operations. For example, Beidahuang General Aviation mainly serves several reclamation areas in the northeast. Man-machine spraying operations are limited by airspace and pilot qualifications, and there are high spraying costs and poor spraying effects. many disadvantages

UAVs suitable for spraying mainly include helicopters and multi-rotors. Helicopter technology is relatively mature, but its mechanical mechanism is complex, high in cost, and poor in stability. Multi-rotor UAVs are stable in flight, flexible in control, and low in cost. At present, multi-rotor drones are mainly powered by batteries. Due to the constraints of battery performance, batteries need to be replaced frequently, with low load, short flight time, long operation time, and low work efficiency.

[0004] There is a four-rotor oil-driven device that uses the principle of a helicopter to combine four helicopter pitch mechanisms. Due to the complex structure of the pitch mechanism itself and poor control flexibility, it is not suitable for agricultural production.

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