Fixed-point intelligent herbicide spraying device

The invention belongs to the technical field of agricultural planting, and discloses a herbicide fixed-point intelligent spraying device which comprises an image acquisition system arranged at the front end of a tractor and a spraying system arranged at the rear end of the tractor, and the image acquisition system is in signal connection with the spraying system; the spraying system comprises a liquid storage assembly and a spraying assembly which are arranged at the rear end of the tractor and communicate with each other. The image acquisition system is in signal connection with the spraying assembly. The spraying assembly comprises a second movable frame movably arranged at the rear end of the tractor, a plurality of main pipes communicated with the liquid storage assembly are arranged at the bottom end of the second movable frame side by side, a plurality of automatic nozzles arranged side by side at equal intervals are arranged at the bottom ends of the main pipes, and the automatic nozzles are in signal