FIELD: agriculture; machine building.
SUBSTANCE: invention relates to the agricultural machine building. Screw gun for erosion control contour treatment of soil comprises frame, fixed in transverse plane to machine-and-tractor unit by means of traction-coupling device, active auger actuator horizontally mounted on the frame and driven in reversible motion from the shaft drive, along the longitudinal axis of which a helical surface is located. Shaft arranged in intermediate and end bearings receives motion from drive via splined joint. Control device of the drive is configured to control the direction and value of rotation of the splined joint depending on the relief of the cultivated lands.
EFFECT: higher quality of anti-erosion contour treatment of slope lands.
1 cl, 1 dwg
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