Ship capable of being propelled by wave energy and generating electricity through energy obtaining

The invention discloses a ship utilizing wave energy for propelling and energy obtaining for power generation, which comprises a ship body, a flapping hydrofoil type propelling device is arranged at the tail part of the ship body, and the flapping hydrofoil type propelling device is connected with a wave energy conversion device; the flapping hydrofoil type propelling device comprises a telescopic rod piece, a double-gyroscope type floater, a floater supporting rod piece, a fixing support, a hydrofoil, a rotating shaft and springs, the double-gyroscope type floater is connected with the hydrofoil through the telescopic rod piece, the hydrofoil is connected with the fixing support through the rotating shaft, the fixing support is connected with the ship body, and the springs are arranged on the two sides of the fixing support. The telescopic rod piece is hinged to the double-gyroscope type floater, and the double-gyroscope type floater can move on the floater supporting rod piece, so that rotation of the doubl