| 摘要 |
PURPOSE: An automatic air blast device is provided to effectively remove dust from the side and bottom of an electric train, and reduce installation costs. CONSTITUTION: An automatic air blast device(2) is composed of a cover unit(100) for covering both sides of an electric train(10) partially, a side air blast unit(200) moving along the side of the electric train and injecting compressed air, a lower air blast unit(300) moving along the bottom of the electric train and injecting compressed air, and an air supply/discharge unit(400) for introducing/discharging air into/from the cover unit. |
