Opening and closing type sound barrier device capable of actively adjusting wind pressure and used for heavy haul railway
A sound barrier, opening and closing technology, applied in the direction of noise absorption devices, buildings, etc., can solve the problems of endangering traffic safety, affecting stability and durability, affecting normal use, etc., to achieve the effect of reducing the windward area and reducing noise
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[0033] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0034] like Figure 1-9 As shown, an openable and closable sound barrier device for actively adjusting wind pressure for heavy-duty railways of the present invention includes a sound barrier support 2, a sound barrier foundation 4, an H-shaped steel column 7, an electric rotating shaft 13, and a steel frame 21. , anemometer 19 , wind direction sensor 20 and smart switch 29 .
[0035] like Figure 4 As shown, the sound barrier support 2 is fixed on the beam flange and the beam web of the main girder 1 of the heavy-duty railway bridge, on which a sound barrier foundation 4 is arranged, and a rectangular steel plate 6 is arranged on the top surface of the sound barrier foundation 4 . The sound barrier foundation 4 is provided with a groove, and the groove is provided with a pre-embedded steel plate and is filled with mortar. The embe...
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Abstract
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