Overwater exploration device

The invention relates to the technical field of exploration, in particular to an overwater exploration device. The overwater exploration device comprises a first steel frame, a hollow barrel, a second steel frame, a third steel frame and a drilling machine. The first steel frame comprises a first containing space. The hollow barrel is located in the first containing space. The second steel frame comprises a second containing space. The third steel frame part comprises the first steel frame and the second steel frame, and the first steel frame and the second steel frame are detachably connected. The drilling machine is arranged on the third steel frame part and can conduct exploration through the second containing space. Through the technical scheme, the overwater exploration device is convenient to convey, low in cost and capable of being assembled on the scene and has characteristics of being safe and simple.