Outdoor advertising board with rain and snow resisting function

The invention relates to the field of billboards, and particularly discloses an outdoor advertising board with rain and snow resisting function, which comprises a main beam and a plurality of mounting frames mounted above the main beam, the mounting frames can move up and down outside the main beam, and a sweeping mechanism is rotatably mounted at the top of the main beam. By arranging the sweeping mechanism, the bottom of a working cleaning pad makes contact with the top of the mounting frame, wind power blows a wind plate to rotate at the top of the main beam, the cleaning pad can clean the top of the mounting frame, rainwater and accumulated snow on the top of the mounting frame can be cleaned, and the situation that the rainwater and the accumulated snow on the upper portion damage the mounting frame is avoided; and the weight of the mounting frame in use is not increased. 本发明涉及广告牌领域，具体的公开了一种具有抗雨雪功能的室外广告牌，包括主梁和其上方安装的多个安装框架，所述安装框架可在主梁的外部上下移动，主梁的顶部转动安装有扫动机构。通过设置清扫机构，使得工作清洁垫的底部与安装框架的顶部接触，风力吹动风板在主梁的顶部转动，清洁垫能对