Shared floating wind turbine foundation array with angle-adjustable elastic moorings

A shared floating wind turbine foundation array with angle-adjustable elastic moorings, wherein the shared floating wind turbine foundation is formed by connecting floating wind turbine foundations, and each of the floating wind turbine foundations comprises a wind turbine tower, upper pontoons, a truss framework, lower mooring drums, a lower wind turbine hollow pile, a fixed static mooring line and a shared anchor;

• a circumferential support ring is sleeved around the wind turbine tower, the upper pontoons are arranged around the wind turbine tower in an equilateral triangular pattern, a bottom of each of the upper pontoons is connected to the shared anchor through the fixed static mooring line, and a middle portion of each of the upper pontoons is connected to adjacent upper pontoons, the circumferential support ring and the corresponding lower mooring drum via the truss framework;
• the lower wind turbine hollow pile comprises a lifting plate, a hydraulic rod and a hydraulic device;
• and the wind turbine tower is fixed above the lifting plate, and the hydraulic device drives the lifting plate and the wind turbine tower to move via the hydraulic rod;
• each of the lower mooring drums comprises a hollow chamber, an elastic chamber, and a winch chamber, a first power hole is formed between the elastic chamber and the winch chamber;
• the elastic chamber is internally provided with a pressure plate and an elastic device;
• and the pressure plate is an arc-shaped rigid plate having a second power hole, and the elastic device is disposed between an arc-shaped convex surface of the pressure plate and an inner wall of the lower mooring drum, and a third power hole is formed in a bottom of the lower mooring drum;
• a first electric winch and a second electric winch are arranged in the winch chamber, the first electric winch is wound with a first power mooring line, and the second electric winch is wound with a second power mooring line;
• and one end of each of the first power mooring line and the second power mooring line passes through the first power hole and enters the elastic chamber, then passes through the second power hole in the pressure plate, exits from an outer side of the pressure plate and a third power hole of the lower mooring drum, and is finally connected to adjacent lower wind turbine hollow piles;
• and
• the first electric winch and the second electric winch drive the rotation of the adjacent lower wind turbine hollow piles by adjusting a length difference between the first power mooring line and the second power mooring line, thereby changing an angle of the wind turbine tower supported by the adjacent lower wind turbine hollow piles.