Pultruded panels, pultruded spars and wind turbine blades

Abstract

The present disclosure relates to a kind of pultrusion plate, pultrusion girder and wind power blade, the pultrusion girder includes several layers of pultrusion unit, several layers of the pultrusion unit is arranged in the up-down direction stack, interlayer cloth is laid between two adjacent layers of the pultrusion unit, each layer of the pultrusion unit includes several pultrusion plates, and several pultrusion plates of each layer of the pultrusion unit is arranged in the width direction, wherein, the pultrusion plate is located in the opposite two faces of up-down direction respectively set up with transition groove, and the transition groove is not communicated with the opposite two faces of the pultrusion plate in the width direction;There is first interface space between two adjacent pultrusion plates in the width direction, two first interface spaces adjacent in the up-down direction are arranged in the width direction, and are communicated with each other by corresponding transition groove.The technical scheme provided by the present disclosure can reduce the possibility of interlayer defect of pultrusion girder, improve the overall performance of wind power blade.

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