JPS6324079Y2 - - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to ship structure.

When a ship is underway, its hull is subjected to various forces, such as vertical bending moments and torsional forces on the hull itself, water pressure on the bottom and side shells, and pressure on the inner bottom and side walls of the hold (oil hold). are respectively affected by the weight of the cargo oil. In order to cope with these various forces, a large number of longitudinal members (longitudinal members, girders, etc.) in the bow and stern direction and transverse members (transformer members, floor members, etc.) in the transverse direction are installed in the hull. ing. However, according to the above-mentioned structure, the longitudinal members and transverse members are provided in an intersecting manner, which hinders the automation of work during hull construction, especially the automation of welding. Therefore, in order to achieve work automation, it is possible to eliminate horizontal members and create a double shell structure with only longitudinal members, but in this case, the external pressure applied to the hull will be applied to the hull outer plate, and it will be transmitted through the longitudinal members. This is a problem with conventional transverse bulkheads because all the forces are taken by the transverse bulkheads.

The present invention provides a hull structure that solves these problems, and its features are as follows:
At least the side and bottom parts of the ship around the hold have a double shell structure consisting of a hull outer plate and a hull inner plate, and the hull outer plate and the hull inner plate are connected only by longitudinal members in the bow and stern direction. This is because the bulkhead is composed of a square-shaped stool and a partition wall arranged in the space inside the stool. According to such a configuration,
Since the hull outer plate and the hull inner plate are connected only by longitudinal members, the structure is simplified, making assembly work easier, and it is impossible to automate large-width welding. This will result in significant labor savings and shorten the construction period. In addition, not only the bottom but also the ship's sides are reinforced with a double structure, and strong stools are used as components of the transverse bulkheads, so the transverse bulkheads do not buckle or bend abnormally. First, it must be able to withstand the various external pressures that the ship is subjected to during voyage. Also, by using wide stools, the span of the longitudinal members between transverse bulkheads is shortened, which has the effect of increasing the strength of the hull. Furthermore, even if the liquid is directed toward the upper corner of the hull due to sloshing caused by ship motions such as pitching or rolling while the ship is half-loaded with liquid, the liquid will flow to the top of the stool installed at the upper corner. It moves along the top end without impacting the upper corner, and no cracks are generated due to stress concentration.

Hereinafter, one embodiment of the present invention will be described based on FIGS. 1 to 3. That is, the deck 1 has a single shell structure, the bottom 2 and the ship side 3 have a double shell structure consisting of an outer plate 4 and an inner plate 5, and the outer plate 4 and inner plate 5 are connected to a longitudinal member 6 in the bow and aft direction. The horizontal bulkhead 7 is connected to a square-shaped stool 8 and the stool 8 by a chisel.
It consists of a corrugated board 9 arranged in a space surrounded by.

In the above embodiment, the deck 1 has a single shell structure, but
It may also have a double shell structure as shown in FIG.

As described above, according to the present invention, since the hull outer plate and the hull inner plate are connected only by the longitudinal members,
The structure is simpler and assembly work is easier.
It also enables extensive automation of welding, resulting in significant labor savings and shortening the construction period. In addition, not only the bottom but also the ship's sides are reinforced with a double structure, and strong stools are used as components of the transverse bulkheads, so the transverse bulkheads do not buckle or bend abnormally. First, it must be able to withstand the various external pressures that the ship is subjected to during voyage. Also, by using wide stools, the span of the longitudinal members between transverse bulkheads is shortened, which has the effect of increasing the strength of the hull. Furthermore, even if the liquid is directed toward the upper corner of the hull due to sloshing caused by ship motions such as pitching or rolling while the vessel is half-loaded with liquid, the liquid will flow to the top of the stool installed at the upper corner. It moves along the same line and does not impact the upper end corner, and no cracks are generated due to stress concentration.

[Brief description of the drawings]

1 to 3 show an embodiment of the present invention, in which FIG. 1 is a cross-sectional view, FIG. 2 is a view taken in the direction of the − arrow in FIG. 1, and FIG. 3 is a view taken in the direction of the − arrow in FIG. 2. It is. Fourth
The figure is a longitudinal sectional view showing another embodiment of the present invention. 1...Deck, 2...Bottom, 3...Ship side, 4...
Outer plate, 5...Inner plate, 6...Longer member, 7...Horizontal bulkhead, 8...Stool, 9...Corrugated board (partition wall).

Claims (1)

[Scope of utility model registration request] At least the side and bottom parts of the ship around the hold have a double shell structure consisting of a hull outer plate and a hull inner plate, and the hull outer plate and the hull inner plate are connected only by longitudinal members in the bow and stern direction. A hull structure characterized in that a bulkhead is composed of a square-shaped stool and a partition wall arranged in a space inside the stool.