Side-scan sonar hull mounting device and using method thereof

The invention belongs to the technical field of underwater landform measurement and ground feature recognition implementation, and relates to a side scan sonar hull installation device and a use method thereof. The installation device comprises a ship body installation frame, a tow fish lifting frame and a T-shaped GNSS positioning installation frame. The ship body mounting frame comprises a ship body outer side fixing frame and a ship body inner side fixing frame; the distance between the ship body outer side fixing frame and the ship body inner side fixing frame can be adjusted according to the width of a ship side. The fish dragging lifting frame comprises a front end pulley, a steel wire rotating winch and a steel wire; the steel wire rotating winch is arranged on the upper portion of the ship body inner side fixing frame, one end of the steel wire is wound in the steel wire rotating winch, and the other end of the steel wire penetrates through the front end pulley and then is connected with a tow fish. T