| 摘要 |
FIELD: transport. ^ SUBSTANCE: invention relates to devices designed to lock transport facilities carried on railway platforms. Proposed device comprises a set of thrusts. Minimum set of thrusts comprises two lengthwise 2 and two crosswise 1 thrusts. Every crosswise thrust consists of base plate and side support arranged on one end of said base plate. Part of base plate, outside of side support, comprises sharpened tenons arranged on opposite side of its surface relative to side support. Lengthwise thrust comprises at least two ribs, base and strip-like case. Blades are arranged on base bottom surface with planes directed perpendicular or approximately perpendicular to base plane, blades sharpened parts being directed from the base. Blade represents a plate with one larger sharpened side. There are rectangular holes made in the base with their length exceeding by 5-20% that of blade larger side. ^ EFFECT: higher reliability, ease of use. ^ 12 cl, 13 dwg |
