Hollow annular flange connection for a wind turbine tower

By using hollow annular flanges and reinforcing tubes in the wind turbine tower design, the problems of weight and manufacturing complexity of annular flange connections are solved, achieving the effects of lightweighting and simplified manufacturing, and improving the structural stability and sustainability of the tower.

CN122422692APending Publication Date: 2026-07-17
View PDF 4 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Filing Date
2024-12-04
Publication Date
2026-07-17

Smart Images

  • Figure CN122422692A_ABST
    Figure CN122422692A_ABST
Patent Text Reader

Abstract

本发明涉及一种用于连接风力涡轮机塔筒的管状部段的带有中空截面的环形法兰。本发明提供一种用于风力涡轮机塔筒的管状部段之间的实际的、易于制造且结构有效的周向连接,其特别适合于具有非常大高度的塔筒。根据本发明的中空环形法兰能以与常规实心环形法兰类似的方式采用,同时避免了与增加的塔筒高度和扫掠面积相关联的需要过厚的法兰板。因此,中空环形法兰允许节省法兰重量,从而带来关于整体成本的直接和间接的好处,并增加供应链可持续性所需的采购替代选择。
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Bolt sleeve device

    CN205207395U

  • Flange structure, tower and wind power generation system

    CN214660604U

  • Fabricated composite pipe flange - uses two rings to form hollow flange, welded onto intermediate flange around pipe end

    DE2838514A1

  • Steel tower for a wind power installation, and a method for the production thereof

    EP3339636A1