The invention provides a wind and sand prevention device for a ventilation opening, the ventilation opening is arranged on a shell of ventilation equipment, and the wind and sand prevention device comprises a bottom plate, a wind and sand prevention device and a wind and sand prevention device, the at least one annular first air partition plate vertically extends away from the shell from the bottom plate, and the adjacent first air partition plates are spaced in the radial direction; the supporting piece vertically extends out of the first air partition plate from the bottom plate or the first air partition plate; the top plate is supported on the supporting piece, so that the top plate is separated from the end part of the first air separation plate in the axial direction; the at least one annular second air partition plate vertically extends from the top plate to the shell, the adjacent second air partition plates are spaced in the radial direction, the ends of the second air partition plates are spaced from the bottom plate in the axial direction, and the first air partition plates and the second air partition plates are alternately arranged in the radial direction; the adjacent first air partition plates and second air partition plates are separated, so that the bottom plate, the first air partition plates, the top plate and the second air partition plates form a wavy exhaust channel communicating with the external environment.
本公开提供了一种通风口的防风沙装置,通风口设置在通风设备的外壳上,防风沙装置包括:底板,密封结合在外壳上;至少一个环形的第一隔风板,从底板远离外壳垂直延伸,相邻的第一隔风板之间径向地隔开;支撑件,从底板或者第一隔风板垂直伸出第一隔风板;顶板,支撑在支撑件上,使得顶板与第一隔风板的端部在轴向方向上隔开;至少一个环形的第二隔风板,从顶板朝向外壳垂直延伸,相邻的第二隔风板之间径向地隔开,第二隔风板的端部与底板在轴向方向上隔开,其中,第一隔风板和第二隔风板在径向方向上交替设置,并且相邻的第一隔风板和第二隔风板之间隔开,使得底板、第一隔风板、顶板和第二隔风板形成连通外部环境的波浪状的排风通道。
Wind and sand prevention device of ventilation opening, ventilation equipment and railway vehicle
通风口的防风沙装置、通风设备及轨道车辆
2023-12-05
Patent
Electronic Resource
Chinese
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