Road and bridge anti-collision protection device
A protection device and anti-collision technology, applied in road safety devices, roads, bridges, etc., can solve the problems of collision guardrail, guardrail collision, life safety injury, etc., and achieve a more stable limit effect.
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[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0025] Such as Figure 1-5 As shown, a road and bridge anti-collision protection device includes protection mechanisms that are evenly arranged on the left and right sides of the road; the protection mechanism on the right side includes an installation box 1 that is fixedly connected to the side of the road; the bottom of the installation box 1 is fixedly installed There is a negative pressure box 2; the upper end of the negative pressure box 2 is provided with a connecting pipe 3; the upper side of the installation box 1 is slidingly connected with a support plate 4; 5 horizontal sliding connection; the left side of the lower end of the support plate 4 is fixedly connected with a pillar 6; the lower end of the pillar 6 is fixedly connected with a sealing plate 7; the sealing plate 7 is horizontally sliding and sealingly matched with ...
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