FRONT SPRINKLER UNIT Russian patent published in 2014 - IPC A01G25/09 B05B1/02 

FIELD: agriculture.

SUBSTANCE: front sprinkler unit comprises an irrigation pipeline made sectional and equipped with sprinkler nozzles, the wheel bearings, the drive, placed in the middle of the central section, and couplings for connecting the sections. The irrigation pipeline is mounted on the brackets of the drive trucks and the support wheels mounted on the aisles of agricultural crops at a height of 2.0-2.5 m above the soil surface. The bracket of the central drive truck has triangular swinging boom staked forward for fixing cables-guyropes connected to the brackets of the drive trucks and the support wheels of the side sections, the engine designed to transmit torque to the drive trucks by a drive shaft mounted on the suspension bearings placed on the brackets of the drive trucks and the support wheels using the chain transmissions. In the outermost drive truck on the bracket the drive drum is mounted with wound flexible supply hose hydraulically connected to the supply pipe of the irrigation pipeline. The drum drive is made from the internal combustion engine through the chain transmission and the coupling clutch. The sprinkler nozzles connected hydraulically through the take-off connections to the irrigation pipeline comprise a distribution chamber with two upper sprinkler trunks having in the inner cavity the lead bars with left-side winding and a lower sprinkler trunk with the lead bar with left-side winding. The pitch of the lead bar of the lower sprinkler trunk is smaller than the pitch of the lead bar of the upper trunks, the length of the upper sprinkler trunks is greater than the length of the lower sprinkler trunk.

EFFECT: increased productivity and quality of irrigation.

6 dwg