SUB-SOIL TILLAGE TOOL

FIELD: agricultural engineering, in particular, equipment for continuous tillage of soil on fields with plots having soil impermeable for precipitation moisture. ^ SUBSTANCE: tillage tool has working parts made in the form of A-hoes equipped with turning chisels arranged in space between halves of hoes. Each chisel is fixed on hook-shaped double-armed lever. Chisel has concave surface and central rectangular opening. Double-armed lever has flattened end commensurable with rectangular opening in chisel, said end being equipped with chisel fixing opening. Protective housing is secured in mid portion of lever and pivotally connected with lower part of tine. Upper part of lever is kinematically connected with stem of hydraulic cylinder, which is communicated with hydraulic distributor. Working tool tines are fixed in brackets welded to frame front side by means of spacer bushings. Chisel ends oriented toward soil under tillage process are provided with layer of sormite and edges with sharpened lower part. ^ EFFECT: reduced power consumption, improved quality of soil tillage and enhanced reliability in operation. ^ 2 cl, 9 dwg