CONNECTING STRUCTURE OF SEGMENTED WIND TURBINE BLADES
A connecting structure of segmented wind turbine blade containing a metallic pin with a coating layer of self-lubricating liner containing a polymer matrix, aramid filers and polytetrafluoroethylene fibers, and multiple metallic bushings is disclosed.
1 . A connecting structure of segmented wind turbine blade, comprising a metallic pin and multiple metallic bushings, wherein the metallic pin has coating layer with a self-lubricating liner comprising a polymer matrix, aramid filers and polytetrafluoroethylene fibers.
2 . The connecting structure of claim 1 , wherein the self-lubricating liner is a singly ply woven composite.
3 . The connecting structure of claim 1 , wherein the thickness of the coating is from 0.1 to 0.5 millimeters.
4 . A wind turbine blade comprising the connecting structure of claim 1 .