US 11,919,642 B2
Large-load unmanned aerial vehicle for plant protection with adjustable spraying swath and pesticide application amount
Lili Yi, Zibo (CN); Yubin Lan, Zibo (CN); Xin Han, Zibo (CN); Fanxia Kong, Zibo (CN); Huizheng Wang, Zibo (CN); Guobin Wang, Zibo (CN); Rongxin Zhang, Zibo (CN); Guangyu Yang, Zibo (CN); Lijie Geng, Zibo (CN); and Weixu Ran, Zibo (CN)
Assigned to Shandong University of Technology, Zibo (CN)
Filed by Shandong University of Technology, Zibo (CN)
Filed on Apr. 29, 2022, as Appl. No. 17/733,896.
Claims priority of application No. 202210235130.8 (CN), filed on Mar. 11, 2022.
Prior Publication US 2023/0286651 A1, Sep. 14, 2023
Int. Cl. B64U 10/13 (2023.01); B64D 1/18 (2006.01); B64C 39/02 (2023.01); B64U 101/00 (2023.01); B64U 101/45 (2023.01)
CPC B64D 1/18 (2013.01) [B64C 39/024 (2013.01); B64U 10/13 (2023.01); B64U 2101/00 (2023.01); B64U 2101/45 (2023.01)] 7 Claims
OG exemplary drawing
 
1. An unmanned aerial vehicle for plant protection with adjustable spraying swath and pesticide application amount, comprising:
a pesticide box;
a variable pesticide application system;
adjustable spraying swath mechanisms;
wherein the pesticide box is fixed to landing gears of the unmanned aerial vehicle and is positioned below a control platform of the unmanned aerial vehicle;
wherein the adjustable spraying swath mechanisms are arranged on the landing gears;
wherein the variable pesticide application system is connected with the pesticide box and the adjustable spraying swath mechanisms, the variable pesticide application system and the adjustable spraying swath mechanisms are electrically connected with the control platform, and the control platform is in communication connection with a remote control handle;
wherein the adjustable spraying swath mechanisms are symmetrically arranged on the landing gears at two sides of the unmanned aerial vehicle, each of the adjustable spraying swath mechanisms including a spray rod and a rotating mechanism, wherein the spray rod is connected to a landing gear through the rotating mechanism; and
wherein the rotating mechanism comprises a steering engine, a rocker and a connecting rod; an end of the spray rod is hinged to a cross bar of the landing gear, one end of the rocker is connected to the steering engine, another end of the rocker is hinged to one end of the connecting rod, another end of the connecting rod is hinged to the end of the spray rod, and the steering engine is fixedly connected to the cross bar of the landing gear.