1results about How to "Reduce drug damage" patented technology

The utility model discloses a kind of rice herbicide spraying devices, belong to spraying device field, including rack, sliding block, guide light axis, fish eye bearing, the inside installation of rack has adjusting unit, spraying mechanism, the adjusting unit includes motor, two-way screw rod, bearing seat, adjusting sliding block, limiting nut, pin shaft, one side installation of motor has two-way screw rod, two-way screw rod is installed between two bearing seats, the surface of two-way screw rod is connected with adjusting sliding block and limiting nut, the inside installation of adjusting sliding block has pin shaft, the spraying mechanism includes main cross bar, nozzle, rectangular clamping groove, the surface of main cross bar is equidistant and has been opened with multiple groups of cylindrical groove, nozzle is installed in cylindrical groove, the surface of nozzle is connected with rectangular clamping groove;Through the cooperation between above each device, different rice varieties, different growth stages of row distance change can be quickly adapted, ensure that herbicide is accurately sprayed in rice row, reduce the drug damage to rice plant, improve weeding effect.