Wheat accurate positioning topdressing device

The invention discloses a wheat accurate positioning topdressing device, and relates to the technical field of agricultural machinery, the wheat accurate positioning topdressing device comprises a first U-shaped frame and a second U-shaped frame, the inner wall of the first U-shaped frame is provided with a first servo motor, the output end of the first servo motor is provided with a disc, and the front of the disc is rotatably connected with a support rod through a shaft rod; an adjusting rod is rotationally connected to the front of the supporting rod through a shaft rod, and rectangular sliding blocks are installed at the top and the bottom of the adjusting rod. According to the wheat precise positioning topdressing device, through the arrangement of a first servo motor, a disc, a supporting rod, an adjusting rod, a rectangular sliding block, a transverse plate, a supporting frame, a fertilizer box, a cavity plate, a fertilizer applying pipe and a sleeve, the wheat precise positioning topdressing device ha