Fabricated double-layer cambered surface metal lattice sandwich panel concrete member

The design of prefabricated double-layer curved metal lattice sandwich panel concrete components solves the problems of complex and high cost in the installation of traditional concrete towers, and achieves low-cost, rapid installation and high-strength connection, which is suitable for high-tower wind power generation structures.

CN121676260APending Publication Date: 2026-03-17XUZHOU AEROSPACE MERIDA AUTOMATIC WELDING EQUIP CO LTD
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Patent Information

Application Number
CN202610139156.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-02
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Traditional steel towers are expensive to manufacture and transport. As the tower height increases, concrete towers experience uneven swaying and localized stress concentration during wind turbine operation, leading to safety hazards. Furthermore, installation is complex, costly, and time-consuming.

Method used

The prefabricated double-layer curved metal matrix sandwich panel concrete component is used. By pre-assembling dovetail tenons and butt tenons, rapid installation without on-site welding and concrete pouring is achieved. The combination of metal matrix sandwich panel and concrete improves connection strength and installation accuracy.

Benefits of technology

It reduces manufacturing and installation costs, simplifies procedures, shortens construction cycles, improves installation accuracy and connection strength, is suitable for mass production, and ensures fast, efficient construction and continuous stress distribution.

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Abstract

The invention discloses an assembly type double-layer cambered-surface metal dot matrix sandwich panel concrete member which comprises a double-layer cambered-surface metal dot matrix sandwich panel and concrete filled in the double-layer cambered-surface metal dot matrix sandwich panel, and dovetail mortises and tenons are manufactured in the middles of the two axial sides of the double-layer cambered-surface metal dot matrix sandwich panel respectively. Mortises and tenons are manufactured in the middles of the upper end face and the lower end face of the double-layer cambered surface metal dot matrix sandwich panel in the circumferential direction respectively, the cambered surface perimeter of the double-layer cambered surface metal dot matrix sandwich panel concrete member is determined according to the fact that a whole circle with the same radius is equally divided into a plurality of parts, and the dovetail mortises and tenons on the side faces of the double-layer cambered surface metal dot matrix sandwich panel concrete member are spliced into a whole cylinder. According to the double-layer cambered surface metal dot matrix sandwich panel concrete member, the structure is simple, on-site welding, steel bar binding and concrete pouring are not needed, staggered joint assembling construction is convenient and fast, installation is rapid and efficient, and the construction efficiency is improved. The connection strength is high, and stress is continuous and reliable.
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