The invention relates to the means of blocking the unauthorized travel, including ram means, in the protected object, namely the sliding protivotarannomu the barrier with high strength to impact load. The barrier (1) comprises a base (2) and a receiver (3) Power rack and extending therebetween movably in the horizontal direction of the beam (4). The main power rack has a mechanism moving said beam, and a power reception desk - the mechanism of the latch beam. In both columns and foundations, as well as a ring girder disposed cables (7) forming in the operative position the barrier closed system. The beam (4) is provided with upper and lower rails, designed to interact with a rack mounted on the core (2) two pairs of rollers. The technical result of the utility model is to reduce the weight of metal and barrier while improving its strength properties and the possibility of increasing the overlapping area of the road up to 12 m.
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