Seabed static sounding counter-force device

The invention provides a seabed static sounding counter-force device. The seabed static sounding counter-force device comprises a waterproof part formed by a waterproof shell and a leveling supporting part, the leveling supporting part is arranged below the waterproof part, the waterproof part is divided into a first waterproof cavity and a second waterproof cavity by an upper connecting plate, a counter-force device for driving a probe rod to move is arranged in the second waterproof cavity, the first waterproof cavity is internally provided with a rotary disc structure used for containing probe rods, a picking mechanism used for grabbing the probe rods from the rotary disc structure and a rod body splicing mechanism used for achieving splicing of the multiple probe rods, the counter-force device clamps and drives the probe rods to conduct static sounding on underwater gravel, the bottom of the waterproof part is provided with multiple inclination angle measuring devices, the inclination angle measuring devi