JP2015074297A - Stowage method on container ship - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container stowage method for landing plural containers over plural rows in a ship length direction and a ship width direction and over plural vertical stages on a deck of the container ship, capable of promoting lift generation of a container group on the deck.SOLUTION: Provided is the container stowage method for landing plural containers over plural rows in a ship length direction and a ship width direction and over plural vertical stages on a deck of a container ship A, in which housings 4a-4e for filling gaps 3, 3' between the container rows in the ship length direction are landed on the deck.

Description

The present invention relates to a container loading method in which a large number of containers are stacked on a deck of a container ship in a plurality of rows in a ship length direction and a ship width direction and in a plurality of stages up and down. .

A large number of containers are stacked on the deck of the container ship in a plurality of rows in the length direction and in the width direction of the ship and in a plurality of levels in the vertical direction. As can be seen from FIGS. 1 and 2 of Patent Document 1, for example, a gap is formed between the container rows in the captain direction.

JP 2009-190717 A

A container group formed by a large number of containers stacked in multiple rows in the captain direction and in the width direction on the deck of a container ship navigating the sea When the apparent wind direction receives a head wind obliquely forward, it functions as a wing and generates lift. The ship length direction component of the lift becomes a thrust and contributes to the improvement of the fuel efficiency of the container ship.
The present invention is a container loading method in which a large number of containers are stacked on a deck of a container ship in a plurality of rows in a ship length direction and a ship width direction, and in a plurality of stages in the vertical direction. An object of the present invention is to provide a container loading method that promotes the generation of lift of containers on a deck.

In order to solve the above-mentioned problems, in the present invention, a large number of containers are stacked on a deck of a container ship in a plurality of rows in a ship length direction and a ship width direction and in a plurality of stages up and down. Provided is a container loading method for a container ship, wherein a casing that fills a gap between container rows in the captain direction is stacked on a deck.
On the deck of a container ship navigating at sea, a container group formed by a large number of containers stacked in multiple rows in the captain direction and in the width direction and in multiple stages up and down, When the apparent wind direction is diagonally forward, positive pressure is generated on the windward side surface of the container group, negative pressure is generated on the leeward side surface, and lift is generated by the action of the positive pressure and the negative pressure. The ship length direction component of the lift becomes a thrust and contributes to the improvement of the fuel efficiency of the container ship. The gap between the container rows in the ship length direction dilutes the positive pressure and the negative pressure and suppresses the generation of lift by the air on the positive pressure side flowing to the negative pressure side through the gap. Therefore, by stacking the casing filling the gap on the deck, blocking the air flow from the positive pressure side to the negative pressure side through the gap, and preventing dilution of the positive pressure and negative pressure on the deck The generation of lift of the container group can be promoted.

In a preferred aspect of the present invention, a casing that fills the port side end of the gap between the container rows in the ship length direction and a casing that fills the starboard side end are stacked on the deck.
By filling the port side end and starboard side end of the gap between the container rows in the captain direction with the casing, the air flow from the positive pressure side to the negative pressure side passing through the gap is blocked, and positive pressure and negative pressure Dilution can be prevented and the right and left side surfaces of the deck container group can be smoothed to reduce the air resistance of the deck container group. Reduction of the air resistance of the container group on the deck contributes to the improvement of the fuel efficiency of the container ship.
In another preferable aspect of the present invention, a casing that fills a predetermined part in the ship width direction of the gap between the container rows in the ship length direction is stacked on the deck.
By filling a predetermined part in the ship width direction of the gap between the container rows in the ship length direction with the casing, the air flow from the positive pressure side to the negative pressure side passing through the gap is blocked, and the positive pressure and the negative pressure are diluted. Can be prevented. Compared to the case where the port side end and starboard side end of the gap between the container rows in the ship length direction are filled with the case, the number of cases can be reduced.

According to the present invention, on a deck of a container ship, a container loading method for stacking a large number of containers over a plurality of rows in a ship length direction and a ship width direction, and over a plurality of stages up and down, A container loading method is provided that promotes the generation of lift of containers on the deck.

It is an external view of the container ship explaining the loading method in the container ship which concerns on the Example of this invention. (A) is a side view, (b) is a top view when many containers are stacked on the deck by the loading method according to the first embodiment of the present invention, and (c) is a view of the present invention. It is a top view at the time of laminating | stacking many containers on a deck with the loading method which concerns on 2nd Example.

A loading method in a container ship according to an embodiment of the present invention will be described.
As shown in FIGS. 1 (a) and 1 (b), a large number of rows in the captain direction and the width direction from the immediate rearward portion to the stern portion of the bow tower, and in a plurality of stages up and down, Containers 1 are stacked on the deck of a container ship A to form a container group 2. As can be seen from FIG. 1B, gaps 3 and 3 ′ are formed between the container rows in the captain direction.
On the deck of the container ship A, in addition to the container 1, a rectangular parallelepiped housing 4 a that fills the port side end of the gap 3 between the container rows in the ship length direction, and a rectangular parallelepiped that fills the starboard side end of the gap 3. A casing 4b having a shape is stacked. The port side end and starboard side end of the gap 3 'between the two front and rear container rows sandwiching the residential area are also filled with a long rectangular parallelepiped casing 4c stacked in the front and rear. .
When the container group 2 formed by a large number of containers 1 stacked on the deck of a container ship A that is navigating at sea, when the apparent wind direction receives a head wind obliquely forward on the port side, That is, a positive pressure is generated on the port side surface, a negative pressure is generated on the leeward side surface of the container group 2, that is, the starboard side surface, and lift is generated by the action of the positive pressure and the negative pressure. The ship length direction component of the lift becomes a thrust and contributes to the improvement of the fuel efficiency of the container ship A.
If the gaps 3, 3 'between the container rows in the ship length direction are left unattended, the positive pressure side air flows to the negative pressure side through the gaps, and the positive pressure and the negative pressure are diluted to suppress the generation of lift. The In the container ship A, a casing 4a that fills the port side end of the gap 3 between the container rows in the ship length direction, a casing 4b that fills the starboard side end, and two rows of container rows before and after the residential area. By stacking the casing 4c that fills the port side end and starboard side end of the gap 3 'between them, the air flow from the positive pressure side to the negative pressure side passing through the gap 3, 3' is blocked and positive pressure is applied. And the negative pressure dilution is prevented, and the generation of lift by the container group 2 is promoted.
Further, in the container ship A, a casing 4a that fills the port side end of the gap 3 between the container rows in the captain direction, a casing 4b that fills the starboard side end, and two rows before and after sandwiching the residential area. By stacking the casing 4c filling the port side end and starboard side end of the gap 3 'between the container rows, the left and right side surfaces of the container group 2 are smoothed to reduce the air resistance of the container group 2. Yes. Reduction of the air resistance of the container group 2 contributes to the improvement of the fuel efficiency of the container ship A.

A casing 4a that fills the port side end of the gap 3 between the container rows in the captain direction, a casing 4b that fills the starboard side end, and a gap 3 'between the two front and rear container rows sandwiching the residential area Instead of stacking the casing 4c that fills the port side end and starboard side end, as shown in FIG. 1 (c), the center in the ship width direction of the gap 3 between the container rows in the ship length direction The housing 4d to be filled and the housing 4e to be buried in the center in the ship width direction of the gap 3 'between the two front and rear container rows sandwiching the residential area may be stacked on the deck.
The center part in the ship width direction of the gap 3 between the container rows in the ship length direction is filled with the casing 4d, and the center part in the ship width direction of the gap 3 'between the two front and rear container rows sandwiching the residential area is provided with the casing 4e. By filling, it is possible to block the air flow from the positive pressure side to the negative pressure side passing through the gaps 3 and 3 ′ and prevent dilution of the positive pressure and the negative pressure. The port side end of the gap 3 ′ between the two front and rear container rows, with the housing 4a and 4b filling the port side end portion and starboard side end portion of the gap 3 between the container rows in the ship's direction with the housing area in between The number of housings can be reduced as compared with the case where the portion and the starboard side end are filled with the housing 4c.

In the embodiment of FIG. 1 (c), the casings 4d and 4e are stacked at the center in the ship width direction of the gap between the container rows in the ship length direction. It is not limited to the central part of the gap between container rows in the ship width direction. Any position in the ship width direction may be used as long as it is within the gap between the container rows in the ship length direction.

The present invention can be widely used for container loading work on the deck of a container ship.

A Container ship 1 Container 2 Container group 3, 3 'Clearances 4a, 4b, 4c, 4d, 4e between container rows in the direction of the ship

Claims (3)

A container loading method in which a large number of containers are stacked on a deck of a container ship in a plurality of rows in a ship length direction and a ship width direction, and in a plurality of stages in the vertical direction. A loading method in a container ship, wherein a casing that fills a gap between rows is stacked on a deck. 2. The container ship according to claim 1, wherein a casing that fills a port side end portion of a gap between container rows in a captain direction and a casing that fills a starboard side end portion are stacked on a deck. Loading method. 2. The loading method for a container ship according to claim 1, wherein a casing that fills a predetermined part in the ship width direction of a gap between container rows in the ship length direction is stacked on a deck.

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