The Art.No 1032.401 is made up of A3 steel plate and steel thorn. It adopts electromechanical integration and hydraulic integrated control mode to achieve the purpose of breaking tyre and blocking cars, and effectively intercept illegal traffic of motor vehicles.When the interception is executed, the rising key is started, the blade of the steel plate is rapidly extended, the tyre is punctured and deflated, and the dense blade can also effectively prevent the vehicle from passing and is forced to stop .At the end of the interception, the descending key is started, and the blade is quickly back to below the ground plane and into the standby state.