Hoisting turnover tool and hoisting turnover method for large line ship body section

Abstract

The invention provides a hoisting turnover tool and a hoisting turnover method for a large line type ship body section. The hoisting turnover tool comprises a jig frame template, a horizontal frame plate and a vertical frame plate, and the upper end of the vertical frame plate is connected with the other end of the horizontal frame plate; and a first lifting lug is arranged at the joint of the jigframe template and the horizontal frame plate, a second lifting lug is arranged at the joint of the vertical frame plate and the horizontal frame plate, and a third lifting lug is arranged at the joint of the vertical frame plate and the jig frame template. The hoisting turnover tool is arranged on the large line ship body section, lifting hooks are connected with the lifting lugs on the hoistingturnover tool, hoisting turnover operation is conducted on the large line ship body section, the large line ship body section which is turned over to be in an inverted state is directly placed on theground, the jig frame does not need to be rearranged, and the site and equipment are saved.

Description

technical field [0001] The invention relates to the technical field of shipbuilding, in particular to a hoisting and turning tool and a hoisting and turning method for large linear hull segments. Background technique [0002] In shipbuilding operations, it is necessary to carry out welding construction on the back of the hull after turning over in sections. After the welding construction is completed, turn the hull sections back to the front for subsequent structural assembly. Due to the characteristics of its curved surface structure, the segmented hull has the following problems during the two hoisting and turning operations: [0003] 1) It is inconvenient to install the lifting lug. Since the longitudinal dimension of the large linear hull segment varies greatly, it is difficult to determine the installation position and angle of the lifting lug for the narrow space on the top. [0004] 2) It is prone to deformation and damage. During the hoisting and turning process, ...

AI Technical Summary

Problems solved by technology

[0003] 1) It is inconvenient to install the lifting lug

Due to the large variation in the longitudinal dimensions of the large linear hull segments, it is difficult to determine the installation position and angle of the lifting lugs in the narrow space on the top

[0004] 2) prone to deformation and damage

[0005] 3) The tire frame needs to be rearranged

The process of arranging the tire frame includes placing tire frame supports and backing plates in advance according to the required height, position and spacing, and planning the site, etc. The workload is too large

[0006] 4) Prone to safety accidents

During the two hoisting, turning over and falling pier, the operator needs to step forward to check the fit between the hull segments and the support of the tire frame, which is prone to extrusion accidents and poses certain safety hazards

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