Cabin entry process for main diesel generating set of 50,000-ton semi-submerged ship

Abstract

The invention discloses a cabin entry process for a main diesel generating set of a 50,000-ton semi-submerged ship. The cabin entry process comprises the following steps of: 1) selecting a cabin entry position and entering from a sectional folding port; 2) determining a cabin entry mode and horizontally pulling in by using a tool; 3) preparing for a cabin entry condition of the main diesel generating set; 4) preparing for cabin entry of the main diesel generating set, and arranging a rail, wherein two strips of sectional transverse H-shaped steel are arranged on the two sides of the rail; 5) lifting the main diesel generating set by using a gantry crane; 6) connecting a hoist, slowly pulling the main diesel generating set into a cabin by using the hoist, and checking a folding condition of a host pedestal and the rail at any time to prevent paint on a base of the main diesel generating set from being scratched; and 7) dragging the main diesel generating set out of the rail when completely reaching a preset mounting position. By the cabin entry process, the disassembly work of a cabin structure and pipe outfitting can be reduced, safe and high-efficiency cabin entry and completeness of the structure and the outfitting are guaranteed, and the workload is reduced.

Description

technical field [0001] The invention relates to the technical field of shipbuilding, in particular to a process for entering a cabin of a 50,000-ton semi-submersible main diesel generator set. Background technique [0002] The 50,000-ton semi-submersible ship is equipped with double propellers, double rudders and double bow thrusters. It is an electric propulsion ship powered by 4 diesel generator sets, and the weight of each main diesel generator is 71.85 tons; the largest external dimension: length 10200mm , 4080mm high and 2690mm wide. Therefore, as an important production node, the entry of the main diesel generator will have a significant impact on the entire production schedule. In order to improve the efficiency and safety of the main diesel generator entry and ensure the progress of shipbuilding, it is necessary to study the entry process And analyze the construction plan to solve the practical problem of safely and quickly sliding the generator into the engine room...

AI Technical Summary

Problems solved by technology

There are 4 hanging yards, the horizontal hanging yard distance is 2690mm, and the longitudinal hanging yard distance is 5000mm. There are many cables and piping systems in the engine room of the 50000t semi-submersible ship. The weight of each main diesel generator generator reaches 71.85 tons. The deck plate is thin and the strength is not enough, so it is impossible to install the hanging code, and the main deck is a double deck, the plate is relatively thick, and the area to be drilled is relatively large, which is not conducive to the integrity of the structure and outfitting

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