JP2014084043A - Vehicle carrying vessel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle carrying vessel that can suppress flooding into its lower vehicle spaces when a shipboard is damaged.SOLUTION: A vehicle carrying vessel 1 is provided, comprising: a hull 2; a freeboard deck 33 and a lower vehicle deck 32 that are arranged in the hull 2 one above the other in a multi-layered manner; vehicle spaces S2 that are formed by being sectioned on the freeboard deck 33 and the lower vehicle deck 32; a bow side inboard ramp 61 that extends from the lower vehicle deck 32 toward the bow side and is connected to the freeboard deck 33 beyond a B/10 line of the hull 2; a bow side upper lid 81 that opens and closes a vehicle passage from the inboard ramp 61 to the freeboard deck 33; and a watertight door 83 that is arranged between the upper lid 81 and the vehicle spaces S2, and that seals a vehicle passage from the inboard ramp 61 to the lower vehicle deck 32.

Description

  The present invention relates to a vehicle carrier, and more specifically, to a lower vehicle compartment at the time of damage on the ship side assuming a certain damage range, and at the time of damage considering the damage probability according to the place and range where damage is assumed. The present invention relates to a vehicle carrier capable of suppressing inundation.

  2. Description of the Related Art A vehicle transport ship that transports vehicles includes a plurality of decks arranged in upper and lower layers within the hull, a vehicle section that is partitioned by these decks, and an inboard lamp that connects the decks. In such a vehicle carrier, the vehicle is carried in from the dry deck and stored in the lower vehicle compartment through the inboard ramp.

  As a conventional vehicle carrier employing such a configuration, a technique described in Patent Document 1 is known.

JP-A 62-134394

  The present invention provides a vehicle carrier capable of suppressing inundation into a lower vehicle section at the time of damage on the ship side assuming a certain damage range, and at the time of damage considering the damage probability according to the place and range where damage is assumed. The purpose is to do.

  In order to achieve the above object, a vehicle carrier according to the present invention is a ship that transports a vehicle, and includes a hull, a freeboard deck and a lower vehicle deck arranged in upper and lower layers in the hull, and the freeboard deck. And a vehicle compartment that is partitioned into the lower vehicle deck, and the freeboard deck that extends from the lower vehicle deck to the bow side and exceeds the B / 10 line of the hull as defined by the ship division regulations or the SOLAS Convention An inboard ramp connected to the inboard ramp, an upper lid for opening and closing a vehicle passage from the inboard ramp to the freeboard deck, and an inboard ramp from the inboard ramp to the lower vehicle deck And a watertight door for sealing the vehicle passage.

  In the ship according to the present invention, the watertight door is disposed between the bow-side upper lid and the lower vehicle compartment and seals the vehicle passage from the bow-side inboard ramp to the lower lower vehicle deck. The inundation route from to the lower vehicle deck is interrupted. Accordingly, there is an advantage that inundation of the lower vehicle section is suppressed at the time of damage on the ship side assuming a certain damage range, and at the time of damage considering the damage probability according to the place or range where damage is assumed.

FIG. 1 is a side view showing a vehicle section of a vehicle carrier according to an embodiment of the present invention. FIG. 2 is a cross-sectional view taken along line AA showing a vehicle section of the vehicle carrier described in FIG. 1. FIG. 3 is an explanatory view showing a modification of the vehicle carrier ship shown in FIG. 4 is a cross-sectional view taken along the line B-B showing a modification of the vehicle carrier described in FIG. 3. FIG. 5 is an explanatory view showing a modification of the vehicle carrier ship shown in FIG. 6 is a cross-sectional view taken along the line C-C showing a modification of the vehicle carrier described in FIG. 5.

  Hereinafter, the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments. Further, the constituent elements of this embodiment include those that can be replaced while maintaining the identity of the invention and that are obvious for replacement. In addition, a plurality of modifications described in this embodiment can be arbitrarily combined within a range obvious to those skilled in the art.

[Ship]
FIG. 1 is a side view showing a vehicle section of a vehicle carrier according to an embodiment of the present invention. FIG. 2 is a cross-sectional view taken along line AA showing a vehicle section of the vehicle carrier described in FIG. 1. In these drawings, FIGS. 1 and 2 schematically show a ferry vehicle section as an example. The symbol K in the figure indicates the water line, and the arrow AR indicates the vehicle traveling direction.

  This vehicle carrier 1 is applied to a cargo 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. .

  As shown in FIGS. 1 and 2, the vehicle carrier 1 includes a hull 2, a plurality of decks 31 to 34, an outer plate 41 and an inner plate 42, a plurality of partition walls 51 and 52, a bow-side inboard lamp 61, and And a stern side inboard lamp 62.

  In this vehicle carrier 1, a plurality of decks 31 to 34 are arranged in a multilayer in the upper and lower sides of the hull 2, and a plurality of spaces S <b> 1 to S <b> 4 are partitioned. In the configuration of FIG. 1, four layers of decks 31 to 34 are arranged at predetermined intervals in the vertical direction, and four spaces S1 to S4 are partitioned. These spaces S <b> 1 to S <b> 4 are arranged extending from the center of the hull 2 to the bow side. The lowermost space S1 is an empty space or a tank space, and the upper three spaces S2 to S4 are vehicle compartments for storing vehicles (not shown). These vehicle sections S2 to S4 can store large vehicles such as trucks and buses. A plurality of residential compartments (not shown) are formed above the uppermost space S4.

  Here, the decks 33, 33:33, 32:32, and 31 adjacent to each other in the upper and lower sides will be described by taking the deck 33 as a dry deck and the deck 32 as a lower vehicle deck.

  As shown in FIG. 2, in the vehicle carrier 1, left and right outer plates 41 and inner plates 42 and front and rear partition walls 51 and 52 are disposed so as to surround the decks 31 to 34.

  The left and right outer plates 41, 41 are arranged from the bow to the stern to constitute the left and right side surfaces of the hull 2. The left and right inner plates 42, 42 are long bulkheads, and are disposed on the lower layer side of the freeboard deck 33 and on the inner side of the hull 2 than the left and right outer plates 41, 41, and below the freeboard deck 33. The left and right wall surfaces of the spaces S1 and S2 are configured. A plurality of large bones 43 made of a steel material having a T-shaped cross section are arranged between the adjacent outer plate 41 and inner plate 42 so as to extend in the vertical direction of the hull 2. The outer plate 41 and the inner plate 42 are installed with their back surfaces fixed to these large bones 43.

  The front and rear bulkheads 51 and 52 connect the left and right outer plates 41 and 41 across the hull 2. These partition walls 51 and 52 divide the inner space of the hull 2 in the front-rear direction, and constitute the wall surfaces before and after the spaces S1 and S2 in the lower layer. In addition, a plurality of partition walls 53 are arranged between the adjacent outer plate 41 and the inner plate 42, and the space between the outer plate 41 and the inner plate 42 is finely divided in the front-rear direction of the hull 2. Thereby, a plurality of flood prevention rooms are formed between the outer plate 41 and the inner plate 42.

  Further, as described above, the vehicle section S2 having the lower vehicle deck 32 as a floor surface is partitioned by the left and right inner plates 42 and the front and rear partition walls 51 and 52 to be watertight. In the configuration of FIG. 2, since the vehicle section S <b> 2 extends from the center of the hull 2 to the bow side, the width of the vehicle section S <b> 2 narrows along the width of the hull 2 on the bow side. An engine room that houses a propulsion engine (not shown) is provided in a space behind the stern-side partition wall 52 that divides the vehicle compartment S2.

  Further, as shown in FIG. 2, the freeboard deck 33 and the lower vehicle deck 32 are connected via a bow side inboard lamp 61 and a stern side inboard lamp 62, respectively. The bow side inboard ramp 61 and the stern side inboard ramp 62 are fixed ramps that connect the freeboard deck 33 and the lower vehicle deck 32, and serve as a vehicle passage for moving between the upper and lower vehicle sections S2 and S3. As shown in FIGS. 1 and 2, the bow-side inboard ramp 61 extends from the lower vehicle deck 32 to the bow side and is connected to the freeboard deck 33 beyond the B / 10 line L of the hull 2. As described above, the bow-side inboard lamp 61 is arranged so as to extend greatly toward the bow side, so that the volume of the lower-layer vehicle section S2 is expanded and the number of vehicles accommodated is increased. In addition, the stern side inboard lamp 62 extends from the lower vehicle deck 32 to the stern side and is connected to the freeboard deck 33. The B / 10 line L is defined by the ship division regulations or the SOLAS convention.

  Further, as shown in FIG. 2, the left and right inner plates 42, 42 extend from the vehicle section S <b> 2 to the bow side and surround the bow side inboard lamp 61 beyond the B / 10 line L of the hull 2. Thereby, watertightness of the passage of the vehicle in the bow side inboard lamp 61 is achieved.

  Further, the vehicle carrier 1 includes a bow upper lid 81 that opens and closes a vehicle passage from the bow-side inboard lamp 61 to the freeboard deck 33, and a stern side that opens and closes a vehicle passage from the stern-side inboard lamp 62 to the freeboard deck 33. And an upper lid 82. The bow-side upper lid 81 (stern-side upper lid 82) is an open / close door that opens the vehicle passage from the bow-side inboard lamp 61 (stern-side inboard lamp 62) to the freeboard deck 33, In the closed state, this vehicle passage is closed to make it watertight or windtight, and constitute a part of the floor surface of the plinth deck 33. For example, in the configuration of FIG. 1, the bow-side upper lid 81 (stern-side upper lid 82) is composed of a vertically openable / closable door having a hinge on the floor surface of the freeboard deck 33. It is attached to the freeboard deck 33 so that the stern side) can be opened.

  In addition, the vehicle carrier 1 includes a watertight door 83 that opens and closes a vehicle passage from the bow side inboard lamp 61 to the lower vehicle section S2. This watertight door 83 is disposed between the bow-side upper lid 81 and the lower vehicle compartment S2, and in the open state, opens the vehicle passage from the lower vehicle compartment S2 to the freeboard deck 33 and closes it. Thus, the vehicle passage is closed to seal the flooding path from the bow side inboard lamp 61 to the lower vehicle section S2. For example, in the configuration of FIGS. 1 and 2, the watertight door 83 is composed of an up-and-down type opening / closing door having a hinge on the lower surface of the dry deck 33, and in the open state, on the lower vehicle section S <b> 2 side. It is attached to the freeboard deck 33 so as to open. Further, in the closed state, the watertight door 83 is in contact with the road surface of the bow side inboard lamp 61 and constitutes a part of the bulkhead 51 on the bow side of the vehicle section S2. Thereby, the vehicle passage from the bow side inboard lamp 61 to the lower vehicle section S2 is sealed.

  Further, the vehicle carrier 1 includes a bow visor 7 and a tiltable bow outboard lamp (not shown) at the bow, and a tiltable stern outboard lamp (not shown) at the stern. Existing equipment can be employed as the bow visor 7 and the outboard lamp.

  In the vehicle carrier 1, when the vehicle is carried in, the vehicle is carried from the bow outboard lamp to the freeboard deck 33 and stored in the vehicle section S 3 (see FIG. 1). Further, the vehicle is carried from the freeboard deck 33 through the bow side inboard lamp 61 to the lower vehicle deck 32 and stored in the lower vehicle compartment S2. At this time, the bow-side upper lid 81 and the watertight door 83 are opened, and a vehicle passage from the bow-side inboard lamp 61 to the lower vehicle deck 32 is secured.

  After the vehicle is stored in the lower vehicle section S2, the bow-side upper lid 81, the stern-side upper lid 82, and the watertight door 83 are closed. In the closed state of the bow-side upper lid 81 and the stern-side upper lid 82, the bow-side upper lid 81 and the stern-side upper lid 82 function as the floor surface of the freeboard deck 33. Then, the vehicle is carried into the upper-layer vehicle section S3 through the bow-side upper lid 81, and is unloaded from the upper-layer vehicle section S3 through the stern-side upper lid 82.

  On the other hand, when the vehicle is unloaded, the vehicle stored in the lower vehicle section S2 goes up from the lower vehicle deck 32 through the stern side inboard lamp 62 to the freeboard deck 33 and is unloaded from the stern outboard lamp. At this time, the stern side upper lid 82 is opened, and a vehicle passage from the stern side inboard lamp 62 to the freeboard deck 33 is secured. Thus, on the lower vehicle deck 32, the vehicle travels in one way from the bow side toward the stern side. Therefore, the bow-side inboard ramp 61 serves as a vehicle entrance-side passage from the freeboard deck 33 to the lower vehicle deck 32, and the stern-side inboard ramp 62 serves as a vehicle exit side from the lower vehicle deck 32 to the freeboard deck 33. It becomes a passage.

  Here, in this vehicle carrier 1, as shown in FIG. 2, the bow-side inboard ramp 61 extends from the lower vehicle deck 32 to the bow side and exceeds the B / 10 line L of the hull 2 and the freeboard deck 33. Connect to. For this reason, inundation from the bow-side inboard lamp 61 to the lower vehicle deck 32 is suppressed at the time of damage on the ship side that assumes a certain damage range, and at the time of damage that considers the damage probability according to the place and range where damage is assumed. There is a need to.

  In this respect, in this vehicle carrier 1, a watertight door 83 is disposed between the bow upper lid 81 and the lower vehicle compartment S <b> 2, and passes through a vehicle passage from the bow inner boat lamp 61 to the lower lower vehicle deck 32. Seal. Thereby, the inundation path from the bow side inboard lamp 61 to the lower vehicle deck 32 at the time of ship side damage is interrupted | blocked, and the inundation to lower-layer vehicle division S2 is suppressed.

  The stern side inboard lamp 62 is not provided with a watertight door as described above, but the stern side inboard lamp has a closed lid because the stern side upper lid 82 is watertight or windtight. Then, inundation to the lower vehicle deck is difficult to occur through the dry deck 33.

[Modification]
3-6 is explanatory drawing which shows the modification of the vehicle carrier described in FIG. In these drawings, the same components as those of the vehicle carrier described in FIGS. 1 and 2 are denoted by the same reference numerals, and the description thereof is omitted.

  1 and 2, the watertight door 83 is disposed near the lower end of the bow side inboard lamp 61. Further, the watertight door 83 is composed of a flip-up type open / close door having a hinge on the lower surface of the dry deck 33 and is disposed between the bow-side inboard lamp 61 and the dry deck 33. In addition, a partition wall 51 constituting the bow side wall surface of the lower vehicle section S2 is on the bow side inboard lamp 61, and a watertight door 83 is attached to the partition wall 51 to form an entrance of the vehicle section S2. Yes. The watertight door 83 blocks an inundation path from the bow side inboard lamp 61 to the lower vehicle deck 32.

  On the other hand, in the configuration of FIGS. 3 and 4, the watertight door 83 is disposed in the middle of the bow side inboard lamp 61. In addition, a watertight door 83 is formed of a flip-up type opening / closing door having a hinge on the floor lower surface of the bow upper lid 81 and is disposed between the bow inner lamp 61 and the bow upper lid 81. . In this manner, the watertight door 83 can be disposed at any position on the bow side inboard lamp 61.

  Moreover, in the structure of FIGS. 1-4, as above-mentioned, the watertight door 83 is comprised from the up-and-down flip-up-type door.

  On the other hand, in the configuration of FIG. 5 and FIG. 6, the watertight door 83 is configured by a laterally sliding open / close door. Specifically, the partition wall 51 that forms the wall on the bow side of the lower vehicle section S2 is on the stern side of the lower end portion of the bow side inboard lamp 61, and the watertight door 83 is attached to the partition wall 51 to It constitutes the entrance of the section S2. A watertight door 83 is slidably disposed along the partition wall 51 in the width direction of the hull 2. Such a laterally sliding watertight door 83 is preferable in that the front door of the vehicle section S2 can be widened as compared with a flip-up door.

[effect]
As described above, the vehicle carrier 1 is a ship that carries vehicles, and includes a hull 2, a freeboard deck 33 and a lower vehicle deck 32 that are arranged in multiple layers in the hull 2, and a freeboard deck 33. And a vehicle compartment S2 divided into a lower vehicle deck 32 and an inboard lamp (belonging to the bow side shipboard) extending from the lower vehicle deck 32 to the bow side and connecting to the freeboard deck 33 beyond the B / 10 line of the hull 2 Lamp) 61, an upper lid (opening side upper lid) 81 that opens and closes a vehicle passage from the inboard lamp 61 to the dry deck 33, and the lower lid from the inboard lamp 61, which is disposed between the upper lid 81 and the vehicle compartment S2. A watertight door 83 that seals the vehicle passage leading to the vehicle deck 32 is provided (see FIGS. 1 and 2).

  In such a configuration, the watertight door 83 is disposed between the bow-side upper lid 81 and the lower vehicle compartment S2, and seals the vehicle passage from the bow-side inboard lamp 61 to the lower lower vehicle deck 32. The flooding path from the side inboard lamp 61 to the lower vehicle deck 32 is blocked. Thereby, there exists an advantage by which the inundation of the lower vehicle division S2 at the time of ship side damage is suppressed.

  In addition, as described above, the allowable GM (lateral metacenter height) of the hull 2 can be reduced by suppressing the inundation of the lower vehicle section S2. Then, the design freedom of the hull 2 (for example, the flexibility of the hull form, loading, arrangement, etc.) is expanded, and there is an advantage that the stability of the vehicle carrier 1 is improved.

  Further, since the bow-side inboard lamp 61 can be arranged so as to extend greatly to the bow side beyond the B / 10 line L, the volume of the lower vehicle compartment S2 can be increased. Thereby, there is an advantage that the number of vehicles accommodated increases, and there is an advantage that the handling space of the vehicle in the ship is expanded and the handling is improved.

  In this vehicle carrier 1, a watertight door 83 is disposed between the inboard lamp 61 and the freeboard deck 33 (see FIGS. 1 and 2). Thereby, there is an advantage that the handling space of the vehicle in the ship is expanded and the handling is improved.

  Moreover, in this vehicle carrier 1, the watertight door 83 is disposed between the inboard lamp 61 and the upper lid 81 (see FIGS. 3 and 4). Thereby, there is an advantage that the handling space of the vehicle in the ship is expanded and the handling is improved.

  Moreover, in this vehicle carrier 1, the watertight door 83 is composed of a laterally sliding open / close door disposed on the lower vehicle deck 32 (see FIGS. 5 and 6). Thereby, compared with the up-and-down flip-up type door, there is an advantage that the frontage of the vehicle section S2 can be widened.

  Further, the vehicle carrier 1 includes left and right outer plates 41 and 41 constituting left and right side surfaces of the hull 2, and left and right outer plates 41 and 41 that are disposed on the inner side of the hull 2 and demarcate the vehicle section S2. Inner plates 42, 42 (see FIG. 2). Further, left and right inner plates 42, 42 extend from the vehicle section S 2 to the bow side and are disposed so as to surround the inboard lamp 61 beyond the B / 10 line of the hull 2. Further, a watertight door 83 is disposed inside the left and right inner plates 42, 42. In such a configuration, the left and right inner plates 42, 42 surround the inboard lamp 61, and the watertight door 83 is disposed inside these inner plates 42, 42, so that inundation from the inboard lamp 61 at the time of ship side damage is effective. Has the advantage of being suppressed.

  DESCRIPTION OF SYMBOLS 1 Vehicle carrier, 2 hulls, 31-34 deck, 41 outer plate, 42 inner plate, 43 large bone, 51-53 bulkhead, 61 bow side shipboard lamp, 62 stern side boat lamp, 7 bow visor, 81 bow side upper lid , 82 Stern side upper lid, 83 Watertight door, S1-S4 space

Claims (5)

A vehicle carrier for carrying vehicles,
A hull, a freeboard deck and a lower vehicle deck arranged in multiple layers above and below the hull, a vehicle compartment defined by the freeboard deck and the lower vehicle deck, and extending from the lower vehicle deck to the bow side An inboard lamp that connects to the freeboard deck beyond the B / 10 line of the hull as defined by the ship division regulations or the SOLAS convention, and a watertight type that opens and closes the vehicle passage from the inboard lamp to the freeboard deck And a watertight space formed by including a watertight door disposed between the upper lid and the vehicle compartment and sealing a vehicle passage from the inboard ramp to the lower vehicle deck. A vehicle carrier characterized by.   The vehicle carrier according to claim 1, wherein the watertight door is disposed between the inboard lamp and the plinth deck.   The vehicle carrier according to claim 1, wherein the watertight door is disposed between the inboard lamp and the upper lid.   2. The vehicle carrier according to claim 1, wherein the watertight door is a laterally sliding opening / closing door disposed on the lower vehicle deck. Left and right outer plates that constitute the left and right side surfaces of the hull, and left and right inner plates that are arranged on the inner side of the hull than the left and right outer plates to partition the vehicle compartment, and
The left and right inner plates extend from the vehicle compartment toward the bow and surround the inboard ramp beyond the B / 10 line of the hull, and the watertight door is disposed inside the left and right inner plates. The vehicle carrier according to any one of claims 1 to 4.

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