| 摘要 |
PURPOSE: A device for inspecting and repairing bridges is provided to prevent a slide footstool from being shaken and to facilitate the movement of workers, materials, and tools through the lower side of a bridge. CONSTITUTION: A device for inspecting and repairing bridges comprises a plurality of unit workbenches. A unit workbench comprises a lateral beam (20), a vertical beam (30), a slider (40), a footstool guider (50), a slide footstool (60), and a weight plumb (70). The slider is joined to the vertical beam to vertically reciprocate along with the vertical beam. The footstool guider is horizontally joined to the slider towards a fixture. The slide footstool is joined to the footstool guider to be retractable with respect to the fixture. |
