公开(公告)号：US20220000023A1

公开(公告)日：2022-01-06

申请号：US17035310

申请日：2020-09-28

Applicant: SHANDONG UNIVERSITY OF TECHNOLOGY

Inventor： Juan DU ,  Xiang YIN ,  Jiahao AN ,  Chengqian JIN ,  Duanyang GENG ,  Junke ZHU

IPC: A01D41/127 ,  A01D57/12 ,  A01D69/02 ,  G01S19/52

Abstract: The disclosure provides a system and a method for controlling a reel of a combine harvester, wherein, the system comprises a satellite positioning receiver, a driving device, a controller and a rotating speed sensor; the rotating speed sensor collects and transmits an actual rotating speed of the reel to the controller, and the controller provides the driving device with a speed regulation signal according to the actual rotating speed and the operation running speed. The disclosure may realize that the rotating speed of the reel can be automatically, accurately and quickly adjusted according to the operation running speed of the combine harvester during the operation of the combine harvester, and improve the operation efficiency and quality while ensuring the crop feed quantity.

公开(公告)号：US20210129907A1

公开(公告)日：2021-05-06

申请号：US17034341

申请日：2020-09-28

Applicant: SHANDONG UNIVERSITY OF TECHNOLOGY ,  NANJING RESEARCH INSTITUTE FOR AGRICULTURAL MECHANIZATION, MINISTRY OF AGRICULTURE

Inventor： Juan DU ,  Xiang YIN ,  Chengqian JIN ,  Mingqun YU ,  Xianliang WANG ,  Yulong CHEN ,  Youliang NI

IPC: B62D15/02 ,  B62D5/04 ,  B62D1/16 ,  B62D1/04 ,  B62D6/00

Abstract: An automatic steering device of an agricultural machine is provided, which is connected with a steering axle of the agricultural machine and comprises: a data acquisition unit for acquiring data information of the agricultural machine, the data information comprises an actual steering angle value, a travelling position and a travelling direction; a driving unit for providing a rotating torque; a steering unit connected with the driving unit and the steering axle and used for transmitting the rotating torque to the steering axle; and a control unit connected with the data acquisition unit and the driving unit, used for obtaining a steering angle value according to the data information of the agricultural machine, and controlling the driving unit according to the steering angle value. The embodiments have simple structure, can be suitable for the agricultural machine with different steering angle ranges, and have high efficiency and simple operation.

公开(公告)号：US20210084809A1

公开(公告)日：2021-03-25

申请号：US16743998

申请日：2020-01-15

Applicant: Shandong University of Technology ,  NANJING RESEARCH INSTITUTE FOR AGRICULTURAL MECHANIZATION, MINISTRY OF AGRICULTURE

Inventor： Xiang YIN ,  Juan DU ,  Mingqun YU ,  Ting'en WANG ,  Chengqian JIN ,  Duanyang GENG

IPC: A01C11/00 ,  B63H11/04

Abstract: The present invention discloses a mobile operating platform for a paddy field, including a body, a power generating device, a movement control system, a draft control system and an automatic leveling system, where the power generating device, the movement control system, the draft control system and the automatic leveling system are all mounted on the body. The present invention has a compact overall structure, and utilizes the pressure of a water flow to realize the movement of the platform, and can fully utilize the characteristics of the water flow to reduce power consumption, and avoid the use of a heavy and complicated traditional walking device, the entire mobile operating platform for a paddy field does not contact the ground, saving mechanical power and avoiding damage to an aquatic crop; the draft control system adjusts a draft by the amount of water filled in a closed cavity in the body.