ANTI-RAM ROAD GUARD UNIT Russian patent published in 2011 - IPC E01F13/00 

FIELD: transport.

SUBSTANCE: proposed unit comprises frame coupled via axle with rotary guard element made up of hollow beam jointed with its drive balanced by at least one counterweight. Transverse reinforcing webs are arranged inside said hollow beams. Thrusts are arranged under said webs while axle ends are fitted in bearing supports coupled with aforesaid frame. Metal grid making the foundation carcass in mounting proposed unit on the road is arranged along the frame edges and under it.

EFFECT: higher reliability, smaller sizes, ease of use.

8 cl, 4 dwg