Ship keel structure and keel manufacturing method

Abstract

The invention provides a ship keel structure and a keel manufacturing method. Each keel segment comprises a top plate, a bottom plate, a partition plate, webs and base plates, wherein the top plate is located on the upper portion, the bottom plate is located at the bottom, and the partition plate, the webs and the base plate are located in the middle; and lead blocks are poured into storage boxes defined by the top plate, the bottom plate, the partition plate, the webs and the base plates, and then the storage boxes are sealed through a side plate. Molten lead is poured into the storage box in the middle of each keel segment, and prefabricated lead blocks are used for installation in the positions where the keel segments are combined. Through a keel of the structure and the keel manufacturing method, the keel manufacturing precision and the compactness of poured lead can be improved; meanwhile, the installation and combination precision of the keel segments in the front-back direction is guaranteed, and the straightness and precision of the whole ship keel are improved; and in addition, the effect that the weight center of gravity of the keel is calculated accurately in the subsequent stage is effectively guaranteed, and thus the sailing stability of a ship is improved.

Description

technical field [0001] The invention relates to a ship structure, in particular to a ship keel structure and a method for making the keel. Background technique [0002] The keel is a longitudinal member connecting the bow post and the stern post in the center of the base of the hull. It is located at the bottom of the ship and its main function is to bear weight, especially to withstand the longitudinal bending moment of the hull, to ensure the structural strength of the ship, and in addition to stability Hull and improve the parallel impedance of the hull in water. [0003] The keel of existing ships, especially sailboats, is a box-shaped structure, which is arranged below the baseline of the whole ship. In order to improve the load-bearing capacity and stability of the ship's keel, the keel of the ship can be filled with lead, but the structure of the sailing ship is relatively slender, and the weight after filling with lead is relatively high, which leads to extremely hi...

AI Technical Summary

Problems solved by technology

In order to improve the load-bearing capacity and stability of the ship's keel, the keel of the ship can be filled with lead, but the structure of the sailing ship is relatively slender, and the weight after filling with lead is relatively high, which leads to extremely high precision requirements for keel production. At the same time, according to The current metal casting method for pouring lead is difficult to ensure the compactness of the keel after pouring lead. Furthermore, lead pouring requires specific lead melting equipment, which are complex, large and extremely expensive

These have led to the difficulty of filling the keel with lead, but the quality cannot be guaranteed

Images