JP2004042754A - Half-sunk catamaran oceanographic expedition ship - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a half-sunk catamaran oceanographic expedition ship provided with high safety and having excellent performance. <P>SOLUTION: In this half-sunk catamaran oceanographic expedition ship provided with a forecastle 9, a passenger hold 10, and a poop 11 continuously in the front and the rear, the passenger hold 10 is constituted into many steps vertically in respective double barrels and has a watertight structure per division. Sea water ballast is loaded on an inner side of the double barrels, and fixed ballast is loaded in a ship bottom part of the passenger hold 10. An opening and closing watertight bulkhead installed in a seat and a fixed watertight bulkhead installed in a top part of a fixed ballast tank are provided so that it has the watertight structure per division partitioned between mutual web frames. It is provided with an observation hole having a double structure provided on an inner side and an outer side of an outer plate of the passenger hold and having window glass in each division block. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a half-submerged catamaran type marine exploration boat suitable for exploring or observing underwater fish and the sea floor.
[0002]
[Prior art]
Conventionally, for example, in a catamaran type underwater sightseeing boat described in Japanese Patent Application Laid-Open No. 7-246990, two main hulls constituting an underwater cabin are arranged side by side, Float tanks projecting outward from the outer shore are provided on the outer shore, which is outside the inner shore to be connected.
[0003]
[Problems to be solved by the invention]
In this type of underwater sightseeing boat, high security and performance, such as easy observation, which is the original purpose, are required because the underwater cabin accommodates a large number of spectators and travels. In addition, since it has a special structure, the cost is generally high. In the past, accurately meeting these demands has not been substantially fairly easy.
[0004]
Therefore, an object of the present invention is to provide a semi-submerged catamaran type ocean exploration boat having high safety and excellent performance.
[0005]
[Means for Solving the Problems]
The semi-submerged catamaran marine exploration boat of the present invention is a semi-submerged catamaran marine exploration boat in which a bow tower, a passenger hold, and a stern tower are connected in front and rear, and the passenger hold is provided in each of the catamaran. It is characterized by having a multi-stage structure up and down, and having a watertight structure for each section.
[0006]
In the semi-submerged catamaran type ocean exploration ship of the present invention, a seawater ballast is mounted inside the catamaran and a fixed ballast is mounted on the bottom of the passenger hold.
[0007]
Further, the semi-submerged catamaran marine exploration ship of the present invention preferably includes a watertight bulkhead installed in the seat and a fixed watertight bulkhead installed on the top of the fixed ballast tank, and is separated from each other by the web frames. Each section has a watertight structure.
[0008]
Further, the semi-submerged catamaran marine exploration ship of the present invention preferably includes a double-structured viewing window having a window glass provided inside and outside the passenger compartment outer plate in each division block.
[0009]
Furthermore, in the semi-submerged catamaran marine exploration ship of the present invention, preferably, the passenger hold includes first, second and third passenger holds which are configured in multiple stages vertically, and a main line common to these passenger holds is provided. And its branch pipe.
[0010]
ADVANTAGE OF THE INVENTION According to this invention, it is set as a watertight structure for every division divided between wep frames. In this case, an open / close watertight partition installed in the seat and a fixed watertight partition installed on the top of the fixed ballast tank are provided. By providing these watertight bulkheads, even if the passenger compartment outer panel or window glass is damaged in the event of collisions between ships or contact with floating objects, etc., seawater intrusion can be kept in the small compartment. Passenger and ship safety can be ensured.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows an example of the external configuration of a half-submerged catamaran marine exploration boat in this embodiment. In this marine exploration ship, a bridge deck 1 extends to the end of the side tower of the left and right passenger hold, and is connected to a promenade deck 2. In addition, the ship is provided with stern decks 3 and 4 at the stern and a boat deck 5 and a compass deck 6. The stern is also provided with clusters 7,8.
[0012]
FIG. 2 shows a configuration example of the body of the ocean exploration ship. The main body of the marine exploration ship is composed of the main part of the bow tower 9, the passenger hold 10, and the stern tower 11. The barrier deck of the passenger hold 10 further extends from the passenger hold side to form a passenger hold side tower 12. This part also serves as a protective wall for the skin. The catamaran of the body of the ocean exploration ship is symmetrical. A fixed ballast tank 13 is mounted on the bottom of the passenger compartment 10 and a seawater ballast tank 14 is mounted on the inside of the twin hull.
[0013]
In the bow tower 9, fresh water tanks 15 are provided on the left and right sides, and a seawater ballast tank 16 also serving as a buoyancy tank is provided in an intermediate portion between the left and right passenger holds 10. In the stern tower 11, left and right engine rooms 17 and a fuel tank 18 thereunder are arranged.
[0014]
FIG. 3 shows an example in which a multipurpose passenger hold protection wall 19 is attached to the rear part of the bow tower 9 and the front part of the stern tower 11 in the main body. The bow tower 9 is provided with a left-right rotating search light 20 for the forward direction and a left-right rotating search light 21 for the shore direction, and is provided with an underwater photographing room 22. Further, the stern tower 11 is provided with a left-right rotating search light 23 for the forward direction and a left-right rotating search light 24 for the shore direction.
[0015]
FIG. 4 shows an example of the arrangement of the outside of each passenger compartment and the underwater special glass window frame. The shelter decks 3, 4 protrude from the outside of the passenger hold, are made of hard steel plate, and are provided with reinforcements inside to serve as protective walls. The passenger compartment skin has the effect of a double skin by providing the cap cover 25. That is, this protects the peeping of the passenger compartment outer panel and its surroundings, and effectively protects the passenger compartment in the event of collision or contact between ships or contact with a floating object or the like, thereby preventing damage or the like.
[0016]
In this example, the passenger hold 10 includes first, second, and third passenger holds 10A, 10B, and 10C, and is divided into one section between the wep frames 26. A lift port is provided for each passenger hold, that is, an elevator compartment 27 and a stair compartment 28 for the first passenger compartment 10A, an elevator compartment 29 and a stair compartment 30 for the second passenger compartment 10B, and a third compartment. The passenger compartment 10C has an elevator section 31 and a stair section 32. By providing the elevators for each passenger compartment in this way, confusion can be avoided not only during normal times but also during emergencies.
[0017]
5 shows the height of the buoyancy tank / seawater ballast tank 16 in the passenger compartment 10 (FIG. 5 (a)), the height of the moving floor 33 between the left and right engine rooms 17 (FIG. 5 (b)), and the fresh water tank. The height of the floor 35 of the 15 pump chambers 34 (FIG. 5C) is substantially the same. Left and right moving stairs 36 are installed in the left and right engine rooms 17, and the moving floor 33 communicates with a deck in the warehouse at the rear of the stern tower 11. The floor 35 of the pump room 34 communicates with the bow thruster landing at the front of the bow tower 9 and the inner deck of the bow hold.
[0018]
FIG. 6 illustrates an example of a seawater guidance system for entering a passenger hold. The first, second, and third passenger holds 10A, 10B, and 10C have a common main line 37, and have the same configuration for all sections of the passenger hold 10. Lids 37a and 38a, which are normally closed by the elasticity of a spring, are attached to the main pipe 37 and the branch pipe 38, respectively. Both ends 39a of the guideway 39 are closed so that seawater does not enter other sections. For example, the lid 37a is closed by the water pressure of the infiltrated seawater induction tank 40 that is full, and the lid 38a is also closed. As a result, the intruded seawater is limited to the damaged section only, and balances with the outboard seawater.
[0019]
7 to 10 are views showing a configuration around a viewing window, a construction method, and the like. In the case of setting the viewing window, as shown in FIG. 7, the space between the wep frames 26 on the side of the second and third passenger holds 10B and 10C is manufactured as a partition block 41 (preferably made of stainless steel). Five viewing window fitting bases 42 are provided. The viewing window fitting base 42 is provided inside and outside the partition block 41, and the window glass 43 has a double structure as shown in FIG. 8C.
[0020]
The observation window block outer plate 44 and the passenger compartment outer plate 45 are welded to a flat surface, and the window glass 43 is attached to the inside of the observation window fitting base 42 via a packing 46 having a U-shaped cross section. A spiral groove 42a is formed on the outside of the viewing window fitting base 42, and caps 47 and 48 are fastened to the inside and outside the viewing window fitting base 42 via the groove 42a, respectively. An emergency cover 49 is provided so as to be openable and closable.
[0021]
The inner and outer caps 47 and 48 are detachable, but have sufficient strength and rigidity against external pressure. By making the caps 47 and 48 detachable in this way, even if the cap is broken, it can be easily replaced or replaced. By making the window glass 43 have a double structure, high rigidity can be ensured, and anxiety that can occur in the case of single glass can be eliminated. The outer cap 48 is covered by a cap cover described later.
[0022]
As shown in FIG. 8, in the partition block 41, a cap 48 outside the viewing window is arranged. A cap cover 50 covers the caps 48. Since the caps 48 are provided so as to slightly protrude from the side of the ship, they are covered with a cap cover 50 to protect them. The cap cover 50 has a substantially box shape, and a lid 51 having a hole 51a into which the top of the cap 48 fits is attached. The cap cover 50 is fixed to the outer plate by welding, and the lid 51 is fixed by bolts 52, but can be manually opened and closed as needed.
[0023]
FIG. 11 is a diagram showing the most characteristic structure of the present invention. A watertight structure is provided for each section partitioned between the wep frames 26. An open / close watertight bulkhead 54 installed in the seat 53 and a fixed watertight bulkhead 55 installed on the top of the fixed ballast tank 13 are provided. By providing these watertight bulkheads 54 or 55, even if the passenger compartment outer panel 45 or the window glass 43 is damaged due to collision between ships, contact or contact with floating objects, etc., the intrusion of seawater is reduced by a small section. By keeping it inside, the safety of passengers and ships can be ensured. Images in the warehouse by the monitoring cameras provided in each passenger warehouse 10 are transmitted by the bridge monitor, and in an emergency, the openable watertight bulkhead 54 is closed by remote control.
[0024]
Even in the event of a collision or the like between ships, the impact and damage are absorbed by the passenger compartment outer panel protection wall and the multipurpose passenger compartment protection wall 19, and the passenger compartment 10 can be protected. Since the cap cover 50 is attached to the passenger compartment outer panel 45, it has the effect of a double outer panel, and the strength of the outer panel is effectively increased.
In addition, by mounting the seawater ballast upward, a decrease in the center of gravity due to the mounting of the fixed ballast is prevented, and an appropriate position of the center of gravity can be secured. Thereby, the safety of the hull and the navigation can be ensured.
[0025]
In addition, a separate staircase is provided in the passage section for entering and exiting the passenger compartment 10. In addition, by installing the open / close watertight partition wall 54 with the seat floor 56 slightly lowered, it is possible to keep seawater from entering the small compartment in an emergency. Further, by providing the cofferdam 57 between the seawater ballast tank 16 and the passenger compartment elevating section, the safety of the entire passenger compartment 10 can be improved.
Further, a draft corresponding to the height of the fixed ballast tank 13 is set by mounting a fixed ballast, and a predetermined draft is set by mounting a seawater ballast.
[0026]
Further, when seawater invades due to breakage on the side of the passenger hold 10 and the watertight bulkhead 54 or 55 cannot be closed, the safety of the hull can be ensured by rapid drainage of the seawater ballast on the flooded side.
The infiltration seawater guideway 39 is common to the first, second, and third passenger holds 10A, 10B, and 10C, and a check valve is provided at the lowermost discharge port. A check valve is provided.
[0027]
Here, FIG. 12 shows a configuration example around the open / close watertight partition 54 and the fixed watertight partition 55. In the figure, the open / close watertight partition 54 is slidably supported along guide rails 59 and 60 laid on the seat floor 56 and the seat ceiling 58 of the seat 53, respectively. A stopper 61 that regulates the sliding position of the watertight partition walls 54 is arranged between the watertight partition walls 54. In this case, an electric gear (pinion gear) is provided in the middle stage of the fixed watertight bulkhead 55, and a rack meshing with the pinion gear is provided in the open / close watertight bulkhead 54, and the open / close watertight bulkhead 54 is electrically driven via these gears. It is supposed to. One section shown in FIG. 12 has a completely sealed structure with a seat side wall, an opening / closing watertight partition wall 54, a fixed watertight partition wall 55, a seat floor 56, and a seat ceiling 58.
[0028]
FIG. 13 shows an example of the underwater video viewing room 62 provided in the first passenger hold 10A and about three underwater telescopes 63 installed in one section of each underwater video viewing room. The underwater telescope 63 includes a lower case 64 and an upper case 65, and the upper case 65 is provided with a blind lid 66. The upper case 65 is disposed above the waterline so that seawater does not enter even if the sight glass is broken. The top of the fixed ballast tank 13 is an underwater video viewing room 62.
[0029]
Although the present invention has been described with reference to the embodiment, the present invention is not limited to the above embodiment, and various changes and the like can be made within the scope of the present invention. Can be obtained.
For example, although an example has been described in which five viewing windows are provided in the partition block between the WEP frames on the passenger harbor side, four or less or six or more viewing windows may be provided.
[0030]
【The invention's effect】
As described above, according to the present invention, in this type of ship, a watertight structure is provided for each section divided between the wep frames, so that in the event of a collision between ships, etc., the passenger compartment outer panel or window glass Even if the vehicle is damaged, high safety for passengers and ships can be secured by keeping seawater intrusion in the small compartment.
[Brief description of the drawings]
FIG. 1 is a diagram illustrating an example of an external configuration of a half-submerged catamaran marine exploration boat according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating a configuration example of a marine explorer body according to an embodiment of the present invention.
FIG. 3 is a diagram showing an example in which a multipurpose passenger hold protection wall is attached to a rear part of a bow tower and a front part of a stern tower in a main body part according to an embodiment of the present invention.
FIG. 4 is a diagram showing an example of the arrangement of the outside of each passenger compartment and the underwater special glass window frame in the embodiment of the present invention.
FIG. 5 is a diagram showing a height relationship and the like of each part of a passenger hold part in the embodiment of the present invention.
FIG. 6 is a diagram showing an example of a seawater guidance system for entering a passenger hold according to an embodiment of the present invention.
FIG. 7 is a diagram showing a configuration around a viewing window, a construction method, and the like in the embodiment of the present invention.
FIG. 8 is a diagram showing a configuration around a viewing window, a construction method, and the like in the embodiment of the present invention.
FIG. 9 is a diagram illustrating a configuration around a viewing window, a construction method, and the like according to the embodiment of the present invention.
FIG. 10 is a diagram showing a configuration around a viewing window, a construction method, and the like in the embodiment of the present invention.
FIG. 11 is a diagram showing the most characteristic structure in the embodiment of the present invention.
FIG. 12 is a diagram showing a configuration example around an open / close watertight partition and a fixed watertight partition in the embodiment of the present invention.
FIG. 13 is a diagram illustrating an example of an underwater video viewing room and an underwater telescope according to the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Bridge deck 2 Promenade deck 3, 4 Roof deck 5 Boat deck 6 Compass deck 9 Bow tower 10 Passenger hold 11 Stern tower 12 Passenger hold port side tower 13 Fixed ballast tank 14 Seawater ballast tank 15 Fresh water tank 16 Seawater ballast tank also used as buoyancy tank 19 Multipurpose Passenger Warehouse Protective Wall 25 Cap Cover 26 Wep Frame 33 Moving Floor 37 Main Pipe 38 Branch Pipe 39 Taxiway 40 Infiltration Seawater Induction Tank 41 Partition Block 43 Window Glass 50 Cap Cover 53 Seat 54 Openable Watertight Partition Wall 55 Fixed Watertight Partition Wall

Claims (5)

A half-submerged catamaran marine exploration boat with a bow tower, a passenger hold, and a stern tower connected in front and back,
A half-submerged catamaran marine exploration ship, characterized in that the passenger hold is formed in multiple stages in each of the catamaran, and each compartment has a watertight structure. The half-submerged catamaran marine exploration ship according to claim 1, wherein a seawater ballast is mounted inside the catamaran and a fixed ballast is mounted on a bottom of the passenger hold. 2. A watertight structure comprising an open / close watertight bulkhead installed in a seat and a fixed watertight bulkhead installed on the top of a fixed ballast tank, wherein each of the web frames is divided into sections. Or the half-submerged catamaran marine exploration ship according to 2. The half-submerged catamaran marine expedition ship according to claim 3, further comprising a double-viewing window having a window glass provided inside and outside of the passenger compartment skin plate in each partition block. 5. The passenger compartment according to claim 1, wherein the passenger compartment includes first, second, and third passenger compartments that are configured in a multi-tiered manner, and has a main pipe and a branch pipe common to these passenger compartments. 6. A half-submerged catamaran marine expedition ship according to any of the above.

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