Prestress assembly type concrete frame supporting structure of wind turbine generator set: Fid-Bau Portal

Prestress assembly type concrete frame supporting structure of wind turbine generator set

HUANG XIAOGANG / REN WEI / WANG YUHANG / ZHOU XUHONG

The invention discloses a prestress assembly type concrete frame supporting structure of a wind turbine generator set, the top end of a supporting structure is provided with a steel tower to be fixed, the top end of the steel tower is provided with the wind turbine generator set, and the supporting structure comprises a bottom-layer supporting unit, a middle-layer supporting unit, a top-layer supporting unit and a plurality of prestressed steel strands. The bottom-layer supporting unit is of a rectangular frame body structure; the middle-layer supporting unit is arranged at the upper end of the bottom-layer supporting unit, and the middle-layer supporting unit is formed by overlapping a plurality of standard structure units; the top-layer supporting unit is arranged at the top end of the middle-layer supporting unit; and the prestressed steel strands penetrate through hole bodies longitudinally formed in the bottom-layer supporting unit, the middle-layer supporting unit and the top-layer supporting unit correspondingly, and longitudinal connection and fixation of the bottom-layer supporting unit, the middle-layer supporting unit and the top-layer supporting unit are completed. By means of the supporting structure, the problem that node bolts and inclined struts in a traditional lattice type tower are unfavorable in stress is effectively solved.

本发明公开了一种风电机组预应力装配式混凝土框架支撑结构，所述支撑结构顶端设置有待固定钢塔，所述钢塔顶端装设有风电机组，所述支撑结构包括：底层支撑单元，所述底层支撑单元为矩形架体结构；中层支撑单元，所述中层支撑单元设置于所述底层支撑单元上端，且所述中层支撑单元由若干标准结构单元重叠构成；顶层支撑单元，所述顶层支撑单元设置于中层支撑单元的顶端；若干预应力钢绞线，各预应力钢绞线分别贯穿纵向设置于底层支撑单元、中层支撑单元和顶层支撑单元的孔体，完成底层支撑单元、中层支撑单元和顶层支撑单元的纵向连接固定。通过本发明支撑结构，有效地避免了传统格构式塔架中存在的节点螺栓及斜撑受力不利的问题。

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