Overwater triaxial suspension type search and rescue machine

The invention provides an overwater triaxial suspension type search and rescue machine, comprising a central control platform; three downward-extending retractable shafts are connected with the central control platform along the circumferential direction; the tail end of each shaft is connected with a floating ball; each floating ball is internally provided with an adjustable-speed motor and a propeller; the electronically controlled ends of the adjustable-speed motors are connected with the central control platform by means of electrical connection wires passed through the shafts; a suspendedlife-saving net frame is arranged under the central control platform, the shafts are arranged at the outer side of the life-saving net frame, and the bottom of the life-saving net frame is higher than the bottoms of the floating balls; the central control platform is internally provided with a central processing unit (CPU) controller, a signal transceiver and a storage battery; the CPU controlleruses a differential mode