Marine resource surveying device

The invention provides a marine resource surveying device which comprises a detector, wherein the device comprises a master control single-chip microcomputer, a communication module, a sleeving mechanism and a moving mechanism; the master control single-chip microcomputer is electrically connected to the detector; the sleeving mechanism comprises a first cavity, a second cavity, an electromagnetic valve and a supporting frame; the detector is provided with a drainage cavity; the first cavity is sleeved with the second cavity through the supporting frame; the electromagnetic valve is used for communicating the drainage cavity with the second cavity, and the two side walls of the first cavity and the two side walls of the second cavity are hinged to bodies of the first cavity and the second cavity; and the moving mechanism comprises a first electric telescopic rod and a second electric telescopic rod which are electrically connected with the main control single-chip microcomputer; the fixed end of the first ele