Early warning device for road safety

The utility model discloses an early warning device for road safety, and relates to the technical field of road early warning devices.The early warning device comprises a bottom plate, the bottom plate is slidably connected with a supporting frame, the bottom plate is connected with a driving assembly used for driving the supporting frame to slide in the vertical direction, the supporting frame is rotatably connected with a warning frame, and the warning frame is connected with a warning plate; the supporting frame is connected with a stop structure used for limiting rotation of the warning frame. The angle of the warning plate can be adjusted only by rotating the warning frame, so that the angle adjusting efficiency of the warning plate is improved. And after the angle of the warning plate is adjusted, the stop structure limits the rotation of the warning frame, so that the placement stability of the warning frame is improved, namely, the placement stability of the warning plate is improved. 本申请公开了一种用于公路安全的预