INSPECTING DEVICE FOR STRUCTURE

PURPOSE:To make a device small in size and light in weight, to facilitate assemblage and installation, to save labor and to shorten the time required for inspection by providing a self-traveling mobile dolly capable of moving along the wall-surface of the structure. CONSTITUTION:The device is furnished with the self-traveling mobile dolly 21 capable of moving along the wall-surface 2a of the structure 2. An attracting means, a multi-joint type manipulator 39, an inspection tool 40 fitted to a tip end of the multi-joint manipulator 39, and a non-contact type position locating means 28 to measure the position of the mobile dolly 21 on the wall-surface, are provided in the self-traveling mobile dolly 21. The mobile dolly 21 is furnished with a self-traveling function and attracting function capable of self- traveling on the vertical wall-surface 2a of the construction 2. Also the mobile dolly 21, the position of which is measured by the non-contact position locating means 28, is made to stop when it reaches the specified position. Further, the inspection tool 40 is fitted to the manipulator 39 of the mobile dolly 21, and a flaw-detection for welded parts of the wall-surface 2a is performed by the inspection tool 40 during the mobile dolly 21 stops at the specified position.