1. Comply with the requirements of GA/T 421-2003 Puncture Deflated Barrier;

2. Structure: The metal lancet is quadrangular. The lancet and the lancet are connected by steel cable, and are expanded and folded manually;

3. Operational flexibility: the barricade is easy to unfold, close and operate, and all components are coordinated with each other and act accurately. The deployment time of the mechanical structure barricade is ≤ 1min, and the closing time is ≤ 1min; Mass: 5.4kg;

4. Effective length of roadblock: 5.3m; Effective length of puncture needle: 35.0mm; Effective spacing of puncture needle: 71.4mm;

5. Pull-out force of the puncture needle: the puncture needle of the barricade will not fall off when bearing 30N pulling force in the axial direction; It will fall off immediately when applying 100N pulling force;

6. Effective interception time: After the wheels of the car pass the roadblock, the time for the left front wheel to completely lose the inflation pressure is 5. 4S s, and the time for the right front wheel to completely lose the inflation pressure is 21.6s;

7. Climate environment:-40 ℃-55 ℃.