DRILL-TUBE OF PNEUMATIC PLANTER

摘要

FIELD: agriculture. ^ SUBSTANCE: drill-tube comprises tubing assembly and internal insertion piece. The tube has a through-cut spiral slot with width lesser than that of the seeds being screened out. The insertion piece is in the form of tube, whose external diametre is equal to the internal diametre of outer line. The insertion piece generator has a through-cut slot with width lesser than that of the seeds being screened out. The internal pipe is hard-mounted and made of low friction material with its bottom end closed. The outer line is driven by support-driving wheels through transfer device. At the bottom of both tubing assemblies at the end of respectively longitudinal and spiral slots the holes are made. The hole diametre is larger than maximum dimension of seeds being screened out and their centres are coplanar perpendicular to drill-tube axis. ^ EFFECT: invention enables to increase feed-rate consistency of seeds from the distributor in the furrow. ^ 2 dwg