Variable-pitch system of wind turbine generator set

• Main Authors: CHEN HEYA, XUE WENYAN, LIAO ENRONG
• Format: Patent
• Language: Chinese; English
• Published: 18.06.2019
• Subjects: BLASTING; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; WEAPONS; WIND MOTORS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

The invention discloses a variable-pitch system of a wind turbine generator set. The variable-pitch system comprises blades, an upper seat body, a lower seat body, an adjusting seat and a driving shaft, wherein the upper seat body is fixedly connected with the lower seat body, the three blades are rotationally connected between the upper seat body and the lower seat body, the adjusting seat is arranged in the lower seat body, one end of each blade is rotationally connected to the adjusting seat, the driving shaft is connected to the adjusting seat, and the driving shaft drives the adjusting seat to move in the axial direction of the driving shaft and enable the three blades to rotate. The variable-pitch system of the wind turbine generator set is simple in structure, convenient to drive, compact in structure, convenient to assemble and disassemble, convenient to manufacture and good in using effect. 本发明公开了一种风电机组变桨系统，包括桨叶、上座体、下座体、调节座和驱动轴，所述上座体与下座体固定连接，三个桨叶转动连接在上座体与下座体之间，调节座设于下座体内，且每个桨叶的一端转动连接在调节座上，驱动轴连接在调节座，且驱