Explanation device for agricultural operation subject training

• Main Authors: QIN HAODONG, LIU ZHIYING, GAO SHUGUI, ZHANG CHUNLEI
• Format: Patent
• Language: Chinese; English
• Published: 03.12.2021
• Subjects: ACCESSORIES FOR WRITING OR DRAWING; ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; ARTICLES FOR WRITING OR DRAWING UPON; BUREAU ACCESSORIES; CABINETS; COFFEE MILLS; CRYPTOGRAPHY; DESKS; DIAGRAMS; DISPLAY; DOMESTIC ARTICLES OR APPLIANCES; DRAWERS; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; FURNITURE; GENERAL DETAILS OF FURNITURE; GLOBES; HUMAN NECESSITIES; OFFICE FURNITURE; PERFORMING OPERATIONS; PHYSICS; PLANETARIA; SEALS; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TABLES; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

The utility model discloses an explanation device for agricultural operation subject training, and the technical scheme is that the explanation device comprises two bases and a white board, the tops of the two bases are fixedly connected with a connecting plate, the top of the connecting plate is provided with a lifting mechanism, and the lifting mechanism comprises two first threaded rods. The two first threaded rods penetrate through the two sides of the top of the connecting plate and are in threaded connection with the connecting plate, and the bottoms of the two first threaded rods extend into the two bases and are in sliding connection with the bases. A white board is automatically cleaned through a second motor, the angle of the white board is adjusted by arranging a clamping block, a U-shaped table is driven by a third motor to ascend and descend, the device can be conveniently fixed to the field when used in the field, and the sunshade effect can be achieved when the device is used in the field by ar