Hoisting technology for turning over of tower

Abstract

The invention provides a hoisting technology of turning over of a tower. The hoisting technology comprises the steps that the tower is prefabricated on a cup support; the tower is transported to a spraying workshop to be sprayed; 3, an auxiliary scaffold and a straight ladder are arranged on a deck of the top of the tower; 4, on a gantry crane, hoisting ropes are connected to a hoisting point anda supporting rod of the tower correspondingly; 5, an upper trolley hoisting hook and a lower trolley hoisting hook of the gantry crane are lifted up at the same time until the tower is at a vertical state; 6, the position of the tower is adjusted to be consistent with the direction and position after installation; 7, a head of the lower trolley hoisting hook is installed in place, and the tower isinstalled to the corresponding position of a module and fixed; and 8, after safety ropes are connected, buckles are disassembled. According to the hoisting technology, the problems of erection, angleadjustment and in-place installation of the tower are solved, and the overall prefabrication efficiency of the tower is improved greatly; moreover, the problems that the tower is divided and prefabricated, and tower accessories cannot be carried and hoisted completely are solved; and the structure completeness of the tower in the whole construction process is ensured, and the safety in the towerprefabrication process is improved.

Description

technical field [0001] The invention relates to a tower frame, in particular to a hoisting process for turning over a tower on an onshore liquefied natural gas module. It belongs to the field of offshore oil engineering. Background technique [0002] Currently, the onshore large-scale liquefied natural gas large-scale module contains some steel structure tower frames. The traditional tower frame prefabrication method is to divide the tower structure into several small structures, and prefabricate and hoist them separately. Since the tower frame needs to be divided into multiple units for prefabrication, not only is it easy to damage the integrity of the tower structure; moreover, some auxiliary structures in the tower cannot be installed on the tower in advance because of the division. [0003] Usually, because the frame height of this type of tower is tens of meters high and the center of gravity is high, the overall horizontal construction is basically adopted in the pre...

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Problems solved by technology

[0004] The main purpose of the present invention is to overcome the above-mentioned shortcomings existing in the prior art, and provide a hoisting process for turning over a tower, which not only solves the problem of erecting and adjusting the angle of the tower through hoisting after the tower structure is completed using horizontal prefabrication, and finally It greatly improves the efficiency of the overall prefabrication of the tower; moreover, it also solves the problem of split prefabrication of the tower, and the problem that all the accessories of the tower cannot be carried and hoisted; it ensures the structural integrity of the tower during the entire construction process and improves the prefabrication process of the tower. The safety in the medium reduces the workload of the final assembly

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