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Tower structure and method of assembling

A technology of fastener packs and nuts, applied in the field of modular towers, to achieve the effects of easy manufacturing, saving transportation costs, and reducing transportation costs

Active Publication Date: 2015-03-25
NORTHSTAR ENDEAVORS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sections are constructed from panels

Method used

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  • Tower structure and method of assembling
  • Tower structure and method of assembling
  • Tower structure and method of assembling

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Embodiment Construction

[0036] Panels are usually made of mild steel or other metal alloys. Grade 50 steel is a steel suitable for panels. The panels generally have a curved or arcuate shape so that multiple panels can be joined to form a section. The segments have a generally circular outer diameter. Additional panels are also combined to form additional sections that are stacked and fastened or secured to the first section. Multiple sections are used to form a modular tower structure.

[0037] The panels can be transported to the job site via conventional over-the-road trucks. Preferably, the width of the panels is no greater than about 12 feet so that a conventional over-the-road truck can be used to transport the panels to the job site without an escort. Significant savings in transportation costs are realized by using the modular tower structures and methods described herein as compared to other towers that require the use of dedicated trucks, truck escorts, and specific permits for transpor...

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Abstract

A modular tower structure is described herein. The modular tower uses a cost-effective, efficient design that reduces the amount of steel necessary for tower structures for wind turbines. The modular tower is constructed from sections. The sections are constructed from panels. The panels comprise a curved or arcuate shape. The panels include vertical edges and horizontal edges. A vertical connection connects or secures the panels at the vertical edges of the panels and forms the sections. The sections have a generally circular shape. The vertical connection includes an interior vertical friction plate positioned over a seam or gap between adjacent panels and an exterior vertical friction plate positioned over the seam or gap between adjacent panels.

Description

technical field [0001] The invention relates to a modular tower and a method of constructing a modular tower. Background of the invention [0002] Previous attempts have been made to secure the tower sections together using flange connections or load pins when constructing modular towers, however, the flange connections and load pins are subject to aging and can fail. Towers for wind turbines are subjected to almost constant forces due to the rotation of the turbine, which can damage the flange connections or the load-bearing bolt connections. Additionally, flange connections on large weldments are expensive and difficult to manufacture. The manufacturing tolerances of the flanged connections are unsatisfactory and lead to limited commercial applicability. [0003] Other previous attempts in constructing modular towers have involved the use of lattice towers made of metal. However, such lattice towers suffer from a number of disadvantages, including substantial labor cos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H12/00
CPCF03D13/10E04H12/085F05B2240/912Y02E10/728Y02E10/72
Inventor J. O. 威利斯J. 梅尼彻蒂
Owner NORTHSTAR ENDEAVORS