| 摘要 |
PROBLEM TO BE SOLVED: To provide a bridge floor slab undersurface inspection device capable of stably inspecting an undersurface of a floor slab of a bridge, with a simple constitution.SOLUTION: A bridge floor slab undersurface inspection device comprises a camera 11 as inspection means for inspecting an undersurface 3b of a bridge floor slab 3, a base 12 arranged under the bridge floor slab 3, mounting the camera 11 and extending in the width direction of the bridge floor slab 3, a weight member 14 installed on the base 12, an abutting member (a vertical abutting member 15 and a horizontal abutting member 16) abutting on any one or both of the undersurface 3b and a side surface 3c of the bridge floor slab 3 and a track crane 20 as suspension lifting means installed on an upper surface 3a of the bridge floor slab 3 and lifting the base 12 while suspending under the bridge floor slab 3, and the camera 11 is arranged on the lower side of the undersurface 3b of the bridge floor slab 3 of the base 12, and the weight member 14 is arranged on the lower side on the outside in the width direction of the bridge floor slab 3 of the base 12. |
