an anti-terrorism roadblock
A technology of roadblocks and barrier nets, applied in the field of roadblocks, can solve the problems of military intrusion, high labor intensity, and inability to stop cars immediately, so as to achieve the effect of life safety assurance and changing the form of protection.
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[0017] refer to Figure 1 to Figure 5 , an anti-terrorism roadblock, comprising a supporting frame 1 buried in the ground, the top of the supporting frame 1 is provided with a cover plate 2 that is flush with the road surface, the cover plate 2 is hollow, and there is a space reserved for the first lifting mechanism 3 to lift Channel I21, the first lifting mechanism 3 includes a lifting support rod 31 that can move up and down under the action of the drive system I5, a lifting box 32 fixedly connected to the lifting support rod 31, and a horizontally arranged breaker located at the top of the lifting box 32. Teeth 33, the cross-sectional shape of the channel I21 matches the cross-sectional shape of the broken tire 33; the lifting box 32 is provided with a second lifting mechanism 4, and the second lifting mechanism includes the driving system II6 function Down the lifting shaft 41 that can move up and down, and the barrier net 42 that is fixedly connected on the lifting shaft ...
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