Railway barbed wire roll cage / razor wire / barbed wire / stent roll cage

Protective fence at the top of rail safety through protective fence line on a 2.2m concrete (2012) 8001 2.2m high standard installation of reinforced concrete protective fence 0.5m high barbed wire roll cage. After the roll cage barbed wire razor wire windings using two adjacent turns 120 degrees every card holder is connected with barbed wire, forming mesh bellows after opening, after closing razor wire coil diameter of 50cm, after opening cross each ring Installation spacing 20cm, diameter not less than 45cm. Razor wire mechanical rolling by blanking plate on the wire forming, stabbed width 22mm, blade vertical spacing 15mm, stabbed longitudinal spacing 34mm, core wire diameter of 2.5mm. Blade thickness of 0.5mm Q195 steel net punching production. Core wire by the HPB300 Φ6.5mm high line wire cold drawing. Barbed wire barbed wire by a roll cage connection snap fixed on a support connected to the longitudinal reinforcement. Longitudinal connecting reinforcement bracket using 2.5mm galvanized cold drawn steel wire tightened around the two laps later fixed. Holder provided in a span of 3m protective fence uprights and cross the position in which the upper portion of the span into the settings and columns, supports and protective fence hoop connection using stents, metal mesh has been installed for the protective fence. Barbed wire roll cage directly 2.5mm galvanized cold drawn steel wire or barbed wire is connected to the snap-fastening sheet metal and wire mesh on the cross. Barbed wire vertical distance between the lower edge of the roll cage of reinforced concrete protective fence from the edge of 0.05m. Encryption stent using a length of 7300mmQ235 rectangular steel pipe, size of 50mm × 30mm × 2mm, with a hoop fixed to the middle of the concrete sill protective fence. Q235 rectangular steel tube column bracket using a size of 50mm × 30mm × 2mm, and a wide 50mm, thickness of 4.5mm, lengths of 246mm and 428mmQ235 steel welding production, the upper rectangular steel tubes welded two hooks, hook using a length of 30mm Φ5mm steel production, with hoop fixed reinforced concrete protective fence post caps on the column. Barbed wire roll cage, portrait drawing, frame hoop, cold steel and other components required for all leak galvanized coating weight 270g / m.