JP2012131242A - Ship - Google Patents

Abstract

PROBLEM TO BE SOLVED: To expand a degree of freedom of design, while preventing flooding to a plurality of rooms when a ship is damaged, in the ship.SOLUTION: This ship includes a hull 11 having right-left sidewalls 20b and 20a, the plurality of rooms 22a, 22b, 23a and 23b being the inside of this hull 11 and partitioned in front and in rear in the propelling direction by a partition wall 25 (25a and 25b), and flooding preventive rooms 27a, 27b, 29a and 29b contacting with the sidewalls 20a and 20b and the partition wall 25 (25a and 25b).

Description

  The present invention relates to a ship such as a passenger ship, a ferry, a RO-RO ship (Roll-on / Roll-off Ship), a PCC (Pure Car Carrier), a PCTC (Pure Car / Truck Carrier), etc. .

  For example, a conventional passenger ship is generally provided with a section having a multi-layer deck in the hull, and a ramp way for connecting the decks of each layer is provided in each section. In this case, a residential section is formed in the upper layer of the hull, a vehicle section is formed in the lower layer, and the car is driven by the driver, enters the deck on the ship from the quay via the shore ramp way, and passes through the ramp way to the lower layer. Move to the deck and park at the designated location.

  In addition, such a passenger ship is divided into a large number of rooms such as an engine room and a shaft room in addition to a residential section and a vehicle section. In this case, damage stability requirements are stipulated as international regulations for ships. This rule stipulates that the damage to the ship side is to ensure the remaining restoring force after the damage and that the final water line after the damage does not exceed the deck that limits inundation.

  In addition, there exists what was described in following patent document 1 as such a division structure of the ship. The automobile carrier described in Patent Document 1 is provided with seawater introduction means that can be remotely opened on a watertight deck at the bottom layer that forms a void space on the bottom of a ship. When seawater enters the ship, the seawater that has entered the ship is introduced into the void space by opening the seawater introduction means provided on the bottom watertight deck. By functioning as a tank, the ship's restoring power can be recovered.

JP 2008-201308 A

  In the above-mentioned conventional international regulations for ships, ship-side damage is determined by the number of passengers, and the expected length, width, and height at the time of damage are determined. When the accessory room, shaft chamber, etc.) are damaged, it becomes a damage requirement for two sections across the partition wall. Therefore, the flooded volume at the time of ship damage becomes excessive, and GoM (lateral metacenter height) as an item of the restoration performance of the rule requirement becomes large. In this case, there are restrictions on the hull form plan, restrictions on the superstructure, and restrictions on the layout of the sections, so that the degree of freedom of arrangement is limited.

  The present invention solves the above-described problems, and an object of the present invention is to provide a ship that can prevent flooding into a plurality of rooms when a ship is damaged and can increase the degree of design freedom.

  In order to achieve the above object, a ship of the present invention includes a hull having left and right side walls, a plurality of rooms inside the hull and partitioned by a bulkhead in the propulsion direction, and the side walls and the bulkhead. And an inundation prevention room in contact therewith.

  Therefore, even if the vicinity of the partition wall on the side wall is damaged, the inundation prevention room is only inundated, and it does not inundate across a plurality of rooms, and it is possible to prevent inundation into a plurality of rooms at the time of ship damage. In addition, it is possible to increase the degree of design freedom by suppressing an increase in the size of a plurality of rooms.

  In the marine vessel of the present invention, the inundation prevention room has a left inundation prevention room in contact with the left side wall and the partition wall, and a right inundation prevention room in contact with the right side wall and the partition wall. .

  Therefore, the flood prevention performance can be improved by providing the flood prevention rooms on both the left and right sides of the hull.

  In the ship of the present invention, the inundation prevention room is in contact with the left and right side walls and the partition wall.

  Therefore, it is possible to simplify the structure and reduce the cost by sharing the inundation prevention rooms on the left and right sides of the hull.

  The marine vessel according to the present invention is characterized in that the flood prevention rooms are provided on the front and back sides of the room with the partition wall in between.

  Accordingly, by providing the flood prevention rooms before and after the partition wall, it is possible to further improve the flood prevention performance.

  In the ship of the present invention, the inundation prevention room is smaller in volume than the plurality of rooms, and the width at the full load water line is set to be 1/10 or more of the width of the hull.

  Therefore, it is possible to sufficiently ensure the water leakage prevention performance of the water leakage prevention room.

  According to the ship of the present invention, a plurality of rooms are divided by the bulkheads before and after the hull, and the side walls and the inundation prevention rooms in contact with the bulkheads are provided, so that the flooding of the plurality of rooms at the time of ship damage can be prevented. At the same time, the degree of freedom in design can be expanded.

FIG. 1 is a plan view of a rear portion of a passenger ship as a ship according to Embodiment 1 of the present invention. FIG. 2 is a side view illustrating the passenger ship according to the first embodiment. FIG. 3 is a plan view of the rear part of a passenger ship as a ship according to Embodiment 2 of the present invention. FIG. 4 is a plan view of the rear part of a passenger ship as a ship according to Embodiment 3 of the present invention.

  Exemplary embodiments of a ship according to the present invention will be described below in detail with reference to the accompanying drawings. In addition, this invention is not limited by this Example, Moreover, when there exists multiple Example, what comprises combining each Example is also included.

  FIG. 1 is a plan view of a rear portion of a passenger ship as a ship according to a first embodiment of the present invention, and FIG. 2 is a side view showing the passenger ship according to the first embodiment.

  In the passenger ship (car ferry) as the ship of Example 1, as shown in FIG. 2, the hull 1 is provided with upper and lower multilayer decks 12a, 12b, 12c, 12d, 12e, and 12f, and below the deck 12b. A lower space 13 in which an engine room described later is provided is formed, and a propulsion engine 14 is disposed on the stern side of the lower space 12.

  A large vehicle mounting section 15a on which large vehicles such as trucks and buses can be mounted is formed on the deck 12a, a large vehicle mounting section 15b is formed on the deck 12b, and a large vehicle mounting section 15c is formed on the deck 12c. Has been. Further, at least one inboard lamp 16a through which a large vehicle can pass is provided between the deck 12a and the deck 12c. Between the deck 12b and the deck 12c, at least two inboard lamps 16b through which a large vehicle can pass are provided. One passenger car dedicated inboard lamp 16c is provided between the deck 12c and the deck 12d. In addition, a tiltable bowside lamp 17a for rolling the vehicle on and off is provided on the starboard side of the deck 12b, and a tiltable sternside lamp 17b is provided on the stern side starboard. .

  For residential areas, decks 12d, 12e, and 12f are provided, and a plurality of residential areas 18a, 18b, and 18c are formed. In this case, in order to avoid noise from the propulsion engine 14, the residential sections 18a, 18b, and 18c are formed on the bow side from directly above the installation position of the propulsion engine 14. The stern side of the residential section 18 a (on the deck 12 d) is used as a walking space 19.

  The hull 11 has left and right side walls 20a, 20b and a ship bottom 21, and a plurality of rooms in a space between the deck 12b and the ship bottom 21 and in a space behind the position where the deck 12a is disposed. 22a, 22b, 23a, 23b are provided.

  That is, as shown in FIGS. 1 and 2, the hull 11 is provided with a partition deck 24 between the deck 12 b and the ship bottom 21, so that upper and lower spaces (rooms) 22 and 23 are partitioned. Further, the hull 11 is provided with a partition wall 25 (25a, 25b) at a substantially middle portion in the front-rear direction of each space (room) 22, 23, so that the front and rear spaces (rooms) 22a, 22b, 23a are provided. , 23b are partitioned.

  The hull 11 is provided with partition plates 26a and 26b whose ends are joined to the left and right side walls 20a and 20b and the partition wall 25 (25a) in the upper space (rooms 22a and 22b). Left and right flooding prevention rooms 27a and 27b are formed in contact with the side walls 20a and 20b and the partition wall 25 (25a). Further, in the lower space (rooms 23a and 23b), partition plates 28a and 28b whose ends are joined to the left and right side walls 20a and 20b and the partition wall 25 (25b) are provided, so that the left and right side walls 20a and 20b are provided. The left and right infiltration prevention rooms 29a and 29b are formed in contact with the partition wall 25 (25b).

  In this embodiment, the left flooding prevention chambers 27a and 29a in contact with the left side wall 20a and the partition walls 25 (25a and 25b), the right flooding prevention chamber 27b in contact with the right side wall 20b and the partition walls 25 (25a and 25b), 29b.

  In this case, each inundation prevention room 27a, 27b, 29a, 29b has a smaller volume than the plurality of rooms 22a, 22b, 23a, 23b, and the width at the full load water line L is 1/10 or more of the width of the hull 11. In addition to being set, the longitudinal length at the full load water line L is set to 3/100 or more of the total length of the hull 11. This satisfies the requirements stipulated in Article 44 of the ship division regulations.

  In this case, the rooms 22a and 23a may be used as engine rooms, and the rooms 22b and 23b may be used as shaft rooms.

  Accordingly, when the left side wall 20a located near the bulkhead 25 (25a, 25b) is damaged from the outside of the hull 11, the room 22a or the room 23a is submerged, but the room 22b or the room 23b may be submerged. Absent. That is, at this time, the water is prevented from entering the rooms 22b and 23b by being immersed in the infiltration prevention rooms 27a and 29a smaller than the rooms 22b and 23b.

  As described above, in the passenger ship according to the first embodiment, the hull 11 having the left and right side walls 20a and 20b, and a plurality of sections inside the hull 11 and partitioned by the bulkhead 25 (25a and 25b) in the propulsion direction. Room 22a, 22b, 23a, 23b, and infiltration prevention rooms 27a, 27b, 29a, 29b in contact with the side walls 20a, 20b and the partition walls 25 (25a, 25b).

  Therefore, even if the vicinity of the partition wall 25 (25a, 25b) on the side walls 20a, 20b is damaged, the inundation prevention rooms 27a, 27b, 29a, 29b are submerged, so that the front and rear rooms 22a, 22b, 23a, 23b There is no flooding, and it is possible to prevent flooding into the plurality of rooms 22a, 22b, 23a, 23b at the time of ship damage, and to suppress the enlargement of the plurality of rooms 22a, 22b, 23a, 23b. The degree of freedom of design can be expanded.

  Moreover, in the passenger ship of Example 1, as a flooding prevention room, the left side flooding prevention rooms 27a and 29a which contact | connect the left side wall 20a and the partition 25 (25a, 25b), the right side wall 20b, and the partition 25 (25a, 25b). And right side flooding prevention rooms 27b and 29b in contact with each other. Therefore, the flooding prevention rooms 27a, 27b, 29a, 29b are provided on the left and right sides of the hull 11, respectively, and the flooding prevention performance can be improved.

  Further, in the passenger ship of the first embodiment, the inundation prevention rooms 27a, 27b, 29a, 29b have a smaller volume than the plurality of rooms 22a, 22b, 23a, 23b, and the width at the full load water line L is the width of the hull 11. It is set to 1/10 or more. Therefore, it is possible to sufficiently ensure the water leakage prevention performance of the water leakage prevention room.

  FIG. 3 is a plan view of the rear part of a passenger ship as a ship according to Embodiment 2 of the present invention. In addition, the same code | symbol is attached | subjected to the member which has the function similar to the Example mentioned above, and detailed description is abbreviate | omitted.

  In the passenger ship of the second embodiment, as shown in FIG. 4, the hull 11 is a space between the deck 12b and the ship bottom 21 and a plurality of rooms 22a, 22b in a space behind the position where the deck 12a is disposed. , 23a, 23b are provided.

  The hull 11 is provided with partition plates 26a and 26b and partition plates 31a and 32b whose ends are in contact with the left and right side walls 20a and 20b and the partition wall 25 (25a) in the upper space (rooms 22a and 22b). Thus, left and right infiltration prevention rooms 27a and 27b and infiltration prevention rooms 32a and 32b that are in contact with the left and right side walls 20a and 20b and the partition wall 25 (25a) are formed. Further, in the lower space (rooms 23a and 23b), the partition plates 28a and 28b and the partition plates 33a and 33b whose end portions are joined to the left and right side walls 20a and 20b and the partition wall 25 (25b) are provided, Left and right infiltration prevention rooms 29a and 29b and infiltration prevention rooms 34a and 34b are formed in contact with the left and right side walls 20a and 20b and the partition wall 25 (25b).

  In this embodiment, the left flooding prevention chambers 27a, 29a, 32a, 342a in contact with the left side wall 20a and the partition walls 25 (25a, 25b), and the right side flooding in contact with the right side wall 20b and the partition walls 25 (25a, 25b). Prevention rooms 27b, 29b, 32b, and 34b are provided. In this case, the inundation prevention rooms 27a, 27b, 29a, 29b, 32a, 32b, 34a, and 34b are respectively provided on the front and rear rooms 22a, 22b, 23a, and 23b with the partition wall 25 (25a, 25b) interposed therebetween. It becomes.

  Accordingly, when the left side wall 20a located near the bulkhead 25 (25a, 25b) is damaged from the outside of the hull 11, each room is submerged in the inundation prevention rooms 27a, 32a or the inundation prevention rooms 29a, 34a. 22a, 22b, 23a, and 23b are not flooded. That is, by flooding into the flood prevention rooms 27a, 29a, 32a, 34a, etc. smaller than the rooms 22b, 23b, flooding into the rooms 22a, 22b, 23a, 23b is prevented.

  As described above, in the passenger ship of the second embodiment, the plurality of rooms 22a, 22b, 23a, and 23b are partitioned by the partition walls 25 (25a and 25b) before and after the propulsion direction, and the side walls 20a and 20b and the partition walls 25 (25a and 25b) are separated. 25b), the inundation prevention rooms 27a, 27b, 29a, 29b, 32a, 32b, 34a, 34b are provided on the front and rear rooms 22a, 22b, 23a, 23b across the partition wall 25 (25a, 25b). ing.

  Therefore, even if the vicinity of the partition wall 25 (25a, 25b) on the side walls 20a, 20b is damaged, the inundation prevention rooms 27a, 27b, 29a, 29b, 32a, 32b, 34a, 34b are not submerged. 22a, 22b, 23a, and 23b are not flooded, and flooding of all the rooms 22a, 22b, 23a, and 23b when a ship is damaged can be prevented.

  FIG. 4 is a plan view of the rear part of a passenger ship as a ship according to Embodiment 3 of the present invention. In addition, the same code | symbol is attached | subjected to the member which has the function similar to the Example mentioned above, and detailed description is abbreviate | omitted.

  In the passenger ship of the third embodiment, as shown in FIG. 5, the hull 11 is a space between the deck 12b and the bottom 21 and a plurality of rooms 22a, 22b in a space behind the position where the deck 12a is disposed. , 23a, 23b are provided.

  The hull 11 is provided with partition plates 41 and 42 whose ends are joined to the left and right side walls 20a and 20b in the upper space (rooms 22a and 22b) in parallel with the partition walls 25 (25a and 25b). As a result, the front and rear infiltration prevention chambers 43 and 44 in contact with the left and right side walls 20a and 20b and the partition wall 25 (25a) are formed. In addition, in the lower space (rooms 23a and 23b), partition plates 45 and 46 whose ends are joined to the left and right side walls 20a and 20b are provided in parallel with the partition walls 25 (25a and 25b). Intrusion prevention chambers 47 and 48 are formed before and after contacting the left and right side walls 20a and 20b and the partition wall 25 (25a).

  In this embodiment, the front flooding prevention rooms 43 and 47 located on the front chambers 22a and 23a side in contact with the left and right side walls 20a and 20b and the partition wall 25 (25a and 25b), the left and right side walls 20a and 20b, and the partition wall 25. Rear inundation prevention rooms 44 and 48 located on the rear rooms 22b and 23b side are provided in contact with (25a and 25b). That is, the inundation prevention rooms 43, 44, 47, and 48 are respectively provided on the front and rear rooms 22a, 22b, 23a, and 23b with the partition wall 25 (25a, 25b) interposed therebetween.

  Accordingly, when the left side wall 20a located near the bulkhead 25 (25a, 25b) is damaged from the outside of the hull 11, the inundation prevention rooms 43, 44 or the infiltration prevention rooms 47, 48 are submerged, but each room 22a, 22b, 23a, and 23b are not flooded. In other words, water is prevented from entering the rooms 22a, 22b, 23a, and 23b by flooding into the water-proof rooms 43, 44, 47, and 48 that are smaller than the rooms 22b and 23b.

  As described above, in the passenger ship of the third embodiment, the plurality of rooms 22a, 22b, 23a, and 23b are partitioned before and after the propulsion direction by the partition walls 25 (25a and 25b), and the side walls 20a and 20b and the partition walls 25 (25a and 25b) are separated. 25b), the inundation prevention rooms 43, 44, 47 and 48 are provided on the front and rear rooms 22a, 22b, 23a and 23b with the partition wall 25 (25a and 25b) interposed therebetween.

  Therefore, even if the vicinity of the partition wall 25 (25a, 25b) on the side walls 20a, 20b is damaged, the inundation prevention rooms 43, 44, 47, 48 are submerged, so that the front and rear rooms 22a, 22b, 23a, 23b There is no inundation, and it is possible to prevent inundation of all the rooms 22a, 22b, 23a, 23b when the ship is damaged. In addition, by sharing the inundation prevention rooms 43, 44, 47, 48 on the left and right sides of the hull 11, the configuration of the partition plates 41, 42, 45, 46 is simplified, and the structure can be simplified and the cost can be reduced. It can be.

  In each of the above-described embodiments, a plurality of rooms 22a, 22b, 23a, and 23b are provided between the deck 12b and the bottom 21 of the hull 11 and behind the deck 12a, and the side walls 20a and 20b and the partition wall 25 are provided. Although the inundation prevention rooms 27a, 27b, 29a, 29b, 32a, 32b, 34a, 34b, 43, 44, 47, 48 in contact with (25a, 25b) are provided, the present invention is not limited to this configuration. For example, a room or a flood prevention room may be provided above the front part of the hull 11 or the deck 12b. Further, the plurality of rooms 22a, 22b, 23a, and 23b do not need to be provided in the front-rear direction and the upper-lower direction, and may be provided in the front-rear direction. Furthermore, although a flood prevention room is provided between the front and back rooms, a flood prevention room may be provided between the upper and lower rooms.

  The present invention provides a flood prevention room in contact with a partition wall that divides a side wall and front and rear rooms in a ship, thereby preventing flooding into a plurality of rooms at the time of ship damage and increasing the degree of design freedom. It can be applied to any ship.

11 Hull 12a, 12b, 12c, 12d, 12e, 12f Deck 13 Engine room 14 Engine for propulsion 15a, 15b, 15c Large vehicle mounting section 18a, 18b, 18c Residential section 20a, 20b Side wall 21 Ship bottom 22, 22a, 22b, 23 , 23a, 23b Room 24 Partition deck 25, 25a, 25b Bulkhead 27a, 27b, 29a, 29b, 32a, 32b, 34a, 34b, 43, 44, 47, 48 Inundation prevention room

Claims (5)

A hull having left and right side walls;
A plurality of rooms inside the hull and partitioned forward and backward by a partition wall;
An inundation prevention room in contact with the side wall and the partition;
A ship characterized by comprising.   The said flooding prevention room has the left side flooding prevention room which touches the said left side wall and the said partition, and the right side flooding prevention room which touches the said right side wall and the said partition, The Claim 1 characterized by the above-mentioned. Ship.   The ship according to claim 1, wherein the flood prevention room is in contact with the left and right side walls and the partition wall.   The ship according to any one of claims 1 to 3, wherein the inundation prevention rooms are respectively provided on the front and back sides of the room across the partition wall.   The volume of the flood prevention room is smaller than that of the plurality of rooms, and the width at the full load water line is set to 1/10 or more of the width of the hull. Ship mentioned in one.

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