Prefabricated lattice type wind power tower drum

Abstract

The invention relates to a prefabricated lattice type wind power tower drum, in particular to the technical field of wind power generation, and comprises a plurality of long and thin steel pipe concrete limb columns which are rooted on the top surface of a foundation and are arranged into a ring shape, and the top ends of the long and thin steel pipe concrete limb columns incline towards the circle center to form a tower shape; each long and thin steel pipe concrete limb column is formed by splicing a plurality of short steel pipe concrete limb columns end to end, the adjacent short steel pipe concrete limb column sections are connected through longitudinal flanges, the long and thin steel pipe concrete limb columns are fixed through a plurality of parallel connection structures, and external prestressing tendons are arranged between the adjacent long and thin steel pipe concrete limb columns in a crossed mode; and anchoring ends of the external prestressing tendons are arranged at the bottom and the top of the tower drum respectively, and the external prestressing tendons are arranged at the corresponding positions of the parallel connection structures in a penetrating mode through a steering mechanism. The prefabricated lattice type wind power tower drum provided by the invention has the technical effects that a replaceable in-vitro non-adhesive prestress system is adopted, the assembly is convenient to manufacture, transport and hoist, and the formed spatial net surface structure is reasonable in stress and high in torsion resistance.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a prefabricated and assembled lattice wind power tower. Background technique [0002] The tower is an important load-bearing part of the wind turbine. With the increase of the power of the wind turbine, the height of the tower increases, the section size increases, and the use of mixed towers gradually increases. [0003] The existing domestic mixed towers generally adopt cylindrical prestressed reinforced concrete structures, which are prefabricated in different places and erected at the machine position. The tower components after disassembly are large in size and heavy in weight. During the process, the requirements for equipment lifting capacity and road transportation conditions are relatively high, resulting in a high proportion of the cost of measures. Contents of the invention [0004] The purpose of the present invention is to provide a prefabricated ass...

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Problems solved by technology

[0003] The existing domestic mixed towers generally adopt cylindrical prestressed reinforced concrete structures, which are prefabricated in different places and erected at the machine position. The tower components after disassembly are large in size and heavy in weight. During the process, the requirements for equipment lifting capacity and road transportation conditions are relatively high, resulting in a high proportion of the cost of measures

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