| 摘要 |
An unmanned safety diagnosis apparatus for an underwater structure using a sonar is provided to reliably check the underwater structure by comparing an initial state and a present state of the underwater structure through a monitor. An unmanned safety diagnosis apparatus for an underwater structure using a sonar includes a pair of wheels(4), a boat(6), a space maintenance frame(8), a suspension frame(10), an underwater exploration unit(12), and a reference point indication unit(14). The pair of wheels are in contact with a surface of the underwater structure. The wheels move along a circumference of the underwater structure. The boat is spaced apart from the underwater structure. One end of the space maintenance frame is fixed at the boat, and the other end is fixed at the wheels. One end of the suspension frame is fixed at a predetermined position of the space maintenance frame. The other end of the suspension frame is placed underwater. The underwater exploration unit is installed at an end portion of the suspension frame. A side scan sonar is loaded on one side end of the underwater exploration unit. The reference point indication unit functions as a reference point when the boat moves around the underwater structure.
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