Construction method for barrel wall of prestressed concrete wind power tower and special construction equipment

Abstract

The invention relates to a construction method for the barrel wall of a prestressed concrete wind power tower and special construction equipment. The construction method comprises the following steps:mounting a wall-attaching device, the special construction equipment and a 2t double cantilever flat-top crane on the basis that the barrel wall of the wind power tower is poured previously; conveying operating personnel to an annular telescopic construction platform through a manned lifting machine; enabling the annular telescopic construction platform, a turnover lifting platform and an inner suspension platform of the special construction equipment to form a multi-layer annular horizontal conveying platform to carry out constructions such as steel bar binding, concrete pouring and inner and outer adjustable arc template assembling and disassembling; using by turning around the inner and outer adjustable arc templates layer by layer, and lifting the special construction equipment and aclimbing guide rail alternatively until the concrete construction of the barrel wall of the wind power tower frame is completed; and adjusting the pushing device of the annular telescopic constructionplatform in time along with the radius reduction of the wind power tower during the lifting process of the special construction equipment, and contracting the turnover lifting platform; dismantling the inner suspension platform when the construction near the top of the wind power tower is to be carried out, connecting the drum ring of the annular telescopic construction platform with a bracket seat pre-buried when the construction of the top of the wind power tower is carried out, and erecting a temporary scaffolding platform to complete the construction of the barrel wall at the top of the wind power tower.

Description

technical field [0001] The invention relates to a construction method and special construction equipment for the tube wall of a prestressed concrete wind power tower. Background technique [0002] Wind energy is an inexhaustible clean and renewable resource produced by nature. Among the existing renewable energy sources, wind energy is undoubtedly the most competitive, and it is also one of the new energy sources that are currently being developed and utilized at home and abroad. With the development of wind turbine technology, in order to obtain greater wind power production capacity, increasing the capacity of the unit and increasing the height of the hub have become the trend of wind power development. However, with the increase of the weight of the unit and the height of the wind power tower, the diameter and wall thickness of the traditional steel structure wind power tower continue to increase, resulting in a significant increase in the production and transportation c...

AI Technical Summary

Problems solved by technology

However, the cost of the hydraulic device with synchronous control device is high; when the wall-attached device is removed, there will be holes in the concrete wall, and the workers need to fill the concrete wall with secondary grouting and repair the surface of the concrete wall; the lifting time of the operating platform is restricted by the solidification strength of the concrete wall

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