JP3396340B2 - Honeycomb panel hull structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hull structure, and more particularly to a hull structure in which an outer shell and an inner shell of the hull are made of honeycomb panels.

[0002]

2. Description of the Related Art As a conventional hull structure, there is one as shown in FIG. 8, in which a single plate material 1 is reinforced with a number of longe members 2 and a rib plate 3 orthogonal to the longe members 2 is also provided. In addition, each longe member 2 is inserted and fixed in the hole formed in the rib 3. There is also a hull structure as shown in FIG. 9, in which the single plate material 1 is reinforced by a large number of transformer materials 2'and a longitudinal girder material 3'which is orthogonal to the transformer material 2'is also provided. Each transformer member 2'is inserted and fixed in a hole formed in the beam member 3 '.

[0003]

By the way, in the above-mentioned hull structure, since the longe member 2 or the transformer member 2'is fixed by being inserted into the hole of the rib 3 or the longitudinal girder member 3 ', these joints are secured. It takes a lot of time to work the parts 4, and in a large tanker, the number of the connecting parts 4 is more than 10,000, which is an obstacle to improving the productivity.

Therefore, in order to eliminate the connecting portion 4,
A hull structure as shown in FIG. 10 has also been developed. The single plate material 1 is reinforced by longitudinal girders 2a, and the girders 2a are directly supported by horizontal partition walls 3a. In such a hull structure, there is no one corresponding to the rib 3 as compared with the hull structure of FIG. 8, so that the mutual interval between the horizontal partition walls 3a must be shortened to densely provide the partition walls 3a. There is a point. The present invention is intended to solve the above-mentioned problems, and by employing a honeycomb panel for the outer shell and inner shell of the hull, the work is easy, and sufficient strength can be appropriately obtained. It is an object of the present invention to provide a honeycomb panel-type hull structure as described above.

[0005]

In order to achieve the above-mentioned object, the honeycomb panel type hull structure of the present invention has an outer shell made of a hull outer plate and an upper deck and an inner shell extending along the inside of the outer shell. It consists of a number of honeycomb panels that are vertically reinforced by sandwiching a large number of diagonal members that extend in the vertical direction between two single plates, while reinforcing the hull in the horizontal direction. Ribs and horizontal bulkheads are installed inside the ship ,
In the direction perpendicular to the diagonal members of the honeycomb panels
The joints are the ends of the diagonal members of each honeycomb panel that face each other.
Make the edges protrude more than each veneer sandwiching the same slant
It is characterized by being constructed by welding .

Further, in the honeycomb panel type hull structure of the present invention, the horizontal partition walls sandwich a large number of diagonal members extending in the lateral direction between two single plates, and the horizontal members are made horizontal by the diagonal members. It is characterized in that it is composed of a number of honeycomb panels that are reinforced in the direction, and that vertical beams are provided to reinforce the horizontal partition walls in the vertical direction.

Further, in the honeycomb panel type hull structure of the present invention, the horizontal partition wall sandwiches a large number of diagonal members extending in the vertical direction between two single plates, and the diagonal members are arranged above and below the diagonal members. It is characterized in that it is composed of a large number of honeycomb panels that are reinforced in the direction, and that horizontal girders that laterally reinforce the horizontal partition walls are provided.

Further, the honeycomb panel hull structure of the present invention has a longitudinal partition wall inside the vessel, and the longitudinal partition wall has a large number of diagonal members extending in the vertical direction between two single plates. It is characterized in that it is composed of a honeycomb panel which is worn and reinforced in the vertical direction by the diagonal member.

Further, in the honeycomb panel type hull structure of the present invention, a joint portion of the honeycomb panels which is parallel to the diagonal member has a convex edge portion of one honeycomb panel and a concave edge portion of the other honeycomb panel. It is characterized in that it is configured by fitting and welding.

Further, the honeycomb panel hull structure of the present invention is characterized in that the convex edge portion and the concave edge portion each have a solid structure.

The honeycomb panel type hull structure of the present invention is characterized in that the inside of the honeycomb panel is filled and solidified with a foam material for increasing the strength of the honeycomb panel.

Further, the honeycomb panel type hull structure of the present invention is characterized in that a gas or a chemical for improving the corrosion resistance of the honeycomb panel is enclosed inside the honeycomb panel.

[0013]

In the above-mentioned honeycomb panel type hull structure of the present invention, since the outer shell and inner shell of the hull are constituted by the honeycomb panel which is longitudinally reinforced by the diagonal members inside, as shown in FIG. The large number of longe members 2 applied to the single plate member 1 is no longer necessary, and therefore the connecting portion 4 between the longe member 2 and the rib 3 is also eliminated. Since the horizontal reinforcement of the hull is performed not only by the horizontal bulkheads but also by the ribs, it is not necessary to shorten the mutual spacings of the horizontal bulkheads and provide them closely.

Further, the above-mentioned slant of the honeycomb panels is
The joints in the direction perpendicular to the material are
The edges of the diagonal members facing each other are clamped together.
It is constructed by welding by protruding it from the single plate
This greatly simplifies the connection work between honeycomb panels.
Become so.

Further, the horizontal partition wall is composed of a large number of honeycomb panels in which a plurality of laterally extending diagonal members are sandwiched between two single plates and laterally reinforced by the diagonal members. In addition, if a vertical beam is provided to reinforce the horizontal partition wall in the vertical direction, it is not necessary to apply a large number of stiffeners to the horizontal partition wall as a single plate material in this case as well. Further, the horizontal partition wall is composed of a large number of honeycomb panels in which a plurality of diagonal members extending in the vertical direction are sandwiched between two single plates and reinforced by the diagonal members in the vertical direction. ,
If a horizontal girder is provided to reinforce the horizontal partition in the horizontal direction, it is not necessary to apply a large number of stiffeners to the horizontal partition as a single plate as in the conventional case.

Further, the longitudinal partition wall in the ship is constituted by a honeycomb panel in which a large number of diagonal members extending in the vertical direction are sandwiched between two single plates and reinforced by the diagonal members in the vertical direction. In that case, it becomes unnecessary to apply a large number of stiffeners to the vertical partition wall as a single plate material as in the conventional case. Further, a joint portion of the honeycomb panels which is parallel to the diagonal member is constituted by fitting and welding the convex edge portion of one honeycomb panel and the concave edge portion of the other honeycomb panel, and the honeycomb panel Connection work between each other will be facilitated, and if both the convex edge and the concave edge have a solid structure, the strength of the joint can be sufficiently maintained. Become.

When the foam material for increasing the strength of the honeycomb panel is filled and solidified in the inside of the honeycomb panel, the strength of the hull made of the honeycomb panel is further improved. Furthermore, if a gas or a chemical agent that improves the corrosion resistance of the honeycomb panel is enclosed inside the honeycomb panel, the life of the hull made of the honeycomb panel is greatly enhanced.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The honeycomb panel hull structure of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a honeycomb panel hull structure as a first embodiment of the present invention with a part broken away. 1 is a perspective view showing a part of a honeycomb panel used in the hull structure of FIG. 1, FIG. 3 is a cross-sectional view showing a joint portion of honeycomb panels of FIG. 2, and FIG. 4 is another joint portion of honeycomb panels of FIG. FIG. 5 is a cross-sectional view showing the honeycomb panel of FIG. 2, and FIG.
FIG. 6 is an explanatory diagram showing an example of bending of the honeycomb panel of FIG.

As shown in FIG. 1, in the honeycomb panel type hull structure as the first embodiment, an outer shell including a ship side outer plate 110, a ship bottom outer plate 120, and an upper deck 100 as the outer hull plate, and an outer shell Ship-side inner plate as an inner shell along the inside of the shell 11
As shown in FIG. 2, a large number of diagonal members 13 extending in the vertical direction are sandwiched between two single plates 11 and 11 and 0a and the bottom inner plate 120a are vertically arranged by the diagonal member 13. It is composed of many honeycomb panels reinforced in the direction. Further, as shown in FIG. 1, a rib 12 and a horizontal bulkhead 130 for laterally reinforcing the hull are mounted inside the ship.

The horizontal partition wall 130 is composed of the two single plates 11, 1
A large number of diagonal members 13 extending between the
It is composed of a large number of honeycomb panels that are reinforced in the horizontal direction by, and is further provided with vertical girders 15 that reinforce the horizontal partition walls 130 in the vertical direction. In addition, a vertical bulkhead
120b is provided, and the partition wall 120b is composed of two single plates 1
It is composed of a large number of honeycomb panels in which a large number of diagonal members 13 extending in the vertical direction are sandwiched between 1 and 11 and reinforced by the diagonal members 13 in the vertical direction. Reinforcing materials 12a and 12b are attached to the ribs 12 and the like as needed.

Next, the joint portion of the above-mentioned honeycomb panel will be described. As shown in FIGS. 2 and 3, the joint portion parallel to the diagonal member 13 of the honeycomb panels is a convex structure having a solid structure in one honeycomb panel. The edge 14a and the concave edge 14b of the solid structure in the other honeycomb panel are fitted and welded 11d.

Further, as shown in FIG. 4, the joint portion of the honeycomb panels in the direction perpendicular to the diagonal members 13 has the edges of the diagonal members 13 of the respective honeycomb panels facing each other. Weld the single plates 11, 11 that sandwich the
1e, 11f), and if necessary, doubler material 11g is applied by welding. Regarding the curved portion of the above-mentioned honeycomb panel, after performing the bending processing using the roller 17 as shown in FIG. 6, the curved rib material 12 is applied to the honeycomb panel as shown in FIG. Is performed.

The inside 13a (see FIG. 3) of the above-mentioned honeycomb panel is preferably filled and solidified with a foam material for increasing the strength of the honeycomb panel, but a gas for improving the corrosion resistance of the honeycomb panel. It is also possible to enclose (for example dry nitrogen gas) or a drug (for example an antioxidant). Since the honeycomb panel in the hull structure of this embodiment is manufactured by molding by extruding a material,
Although the productivity is remarkably improved as compared with the case where each part is assembled by welding, the panel may be manufactured by automatic welding assembly of each part.

In the honeycomb panel type hull structure as the first embodiment of the present invention constructed as described above, the outer shell and the inner shell of the hull are sandwiched between the two veneers 11 and 11. Diagonal material
Since the honeycomb panel is reinforced in the vertical direction by 13, the long piece 2 which has been conventionally applied to the single plate material 1 as shown in FIG. 8 is unnecessary, and therefore the long piece 2 and the rib board 3 are provided. The connection part 4 with is also eliminated. In addition to the horizontal bulkhead 130, ribs 12
However, since it is performed, it is not necessary to shorten the mutual intervals of the horizontal partition walls 130 and provide them closely. In addition, the horizontal partition wall 130 has a large number of diagonal members 13 extending laterally between the two single plates 11 and 11.
It is composed of a number of honeycomb panels that are sandwiched between and reinforced laterally by the same diagonal member 13, and since vertical girders 15 that reinforce the horizontal partition walls 130 in the vertical direction are provided, Moreover, it is not necessary to apply a large number of stiffeners to the horizontal partition wall as a single plate material.

Further, the longitudinal partition wall 120b in the ship is sandwiched by a large number of diagonal members 13 extending in the vertical direction between the two single plates 11, 11 and is vertically reinforced by the diagonal members 13. Further, since the honeycomb panel is composed of the honeycomb panel, it is not necessary to apply a large number of stiffeners to the vertical partition wall as a single plate material as in the conventional case. Further, since the joint portion parallel to the diagonal member 13 of the honeycomb panels is constituted by fitting and welding 11d of the convex edge portion 14a of one honeycomb panel and the concave edge portion 14b of the other honeycomb panel. , The connecting work between the honeycomb panels can be easily performed, and the above-mentioned convex edge portion 14a
Since the concave edge portion 14b and the concave edge portion 14b both have a solid structure, the strength of the joint portion can be sufficiently maintained.

Further, the joint portions of the honeycomb panels in the direction perpendicular to the diagonal members 13 sandwich the same diagonal members 13 between the edges of the diagonal members 13 facing each other of each honeycomb panel. , 11 so that they are projected and welded, so that the connecting work between the honeycomb panels can be significantly simplified. Furthermore, the inside of the above honeycomb panel 13
When a is filled and solidified with a foam material for increasing the strength of the honeycomb panel, the strength of the hull formed of the honeycomb panel is further improved.

Further, if a gas or a chemical agent for improving the corrosion resistance of the honeycomb panel is enclosed in the inside 13a of the honeycomb panel, the life of the hull composed of the honeycomb panel is greatly enhanced. . In addition, in the honeycomb panel type hull structure of the present embodiment, the number of protrusions in the ship is reduced as compared with the conventional hull structure, so that the trafficability and the inspection and maintenance are improved, and the arrangement of the reinforcing material is simplified. This eliminates the need for complicated bending and twisting to cope with changes in outer shape at the bow and stern, thus improving productivity and structural reliability.

Further, in the present embodiment, since the cargo holds and the peripheral wall surface of the tank have a structure with few protrusions, it is easy to inject and discharge freight oil, seawater ballast, etc., and muddy sand and waste oil pools are reduced. become. In addition, the adoption of the honeycomb panel increases the absorbed energy capacity of the hull structure and reduces the structural stress concentration portions such as the joint portions of the vertical and horizontal members. As a result, the resistance to collision and grounding accidents is improved. Further, since the honeycomb panel has a small double shell, it is effective for preventing the outflow of the oil of coins especially in the case of a slight scratch or minor collision / grounding accident.

Next, a honeycomb panel type hull structure as a second embodiment of the present invention will be described. In this embodiment, as shown in FIG.
A large number of diagonal members extending vertically are sandwiched between 1 and 11 and are composed of a large number of honeycomb panels reinforced in the vertical direction by the diagonal members. A horizontal girder 16 is provided to reinforce the direction. The other hull structure is configured similarly to the above-described first embodiment (see FIG. 1).

In the above-described second embodiment, the horizontal partition wall 130 has two
A horizontal girder that laterally reinforces the horizontal partition wall 130 because it is composed of many honeycomb panels that are vertically reinforced by diagonal members sandwiched between the single plates 11 and 11. 1
Combined with 6, it will be possible to obtain sufficient hull strength,
The effect of eliminating the troublesome work of providing a large number of stiffeners on a horizontal partition as a single plate as in the conventional case can be obtained. The other operational effects of the second embodiment are similar to those of the first embodiment described above.

[0031]

As described in detail above, according to the honeycomb panel type hull structure of the present invention, the following effects can be obtained. (1) Since the outer and inner shells of the hull are composed of honeycomb panels that are reinforced in the vertical direction with diagonal members inside, there is no need for many longe materials that were conventionally applied to veneer, and therefore the same. The joint between the longi and the ribs will also disappear. As a result, the productivity of hull construction is improved, and the structural strength and reliability are also improved. Also, the above honeycomb
The joints in the direction perpendicular to the above diagonal members of the panels are
The edges of the diagonal members facing each other of the honeycomb panel,
Weld the same slant member so that it protrudes from each of the sandwiched single plates.
Since it is composed of, honeycomb panel mutual connection work
Will be significantly simplified. (2) Since horizontal reinforcement of the hull is performed not only by horizontal bulkheads but also by ribs, it is not necessary to shorten the mutual spacing of horizontal bulkheads and provide them closely. (3) The horizontal partition wall is composed of a large number of honeycomb panels in which a large number of diagonal members extending in the lateral direction are sandwiched between two single plates and laterally reinforced by the diagonal members. In addition, if a vertical beam is provided to reinforce the horizontal partition wall in the vertical direction, it is not necessary to apply a large number of stiffeners to the horizontal partition wall as a single plate material as in the conventional case. (4) The horizontal partition wall is composed of a large number of honeycomb panels in which a plurality of vertically extending diagonal members are sandwiched between two single plates and vertically reinforced by the diagonal members. In addition, if a horizontal girder is provided to reinforce the horizontal partition wall in the horizontal direction, it is not necessary to apply a large number of stiffeners to the horizontal partition wall as a single plate as in the conventional case. (5) The longitudinal partition wall in the ship is composed of honeycomb panels reinforced by the diagonal members by sandwiching a large number of diagonal members extending in the longitudinal direction between two single plates. In that case, it becomes unnecessary to apply a large number of stiffeners to the vertical partition wall as a single plate material as in the conventional case. (6) According to the above items (3) to (5), the number of protrusions on the surface of each partition wall is reduced, so that it is easy to inject and discharge coin oil, etc.
Waste oil pools will be reduced. (7) A joint portion parallel to the diagonal member of the honeycomb panels, and is formed by fitting and welding the convex edge portion of one honeycomb panel and the concave edge portion of the other honeycomb panel, The connecting work between the honeycomb panels can be easily performed, and when the convex edge portion and the concave edge portion both have a solid structure, the strength of the joint portion can be sufficiently maintained. Like ( 8 ) When a foam material for increasing the strength of the honeycomb panel is filled and solidified in the inside of the honeycomb panel, the strength of the hull made of the honeycomb panel is further improved. ( 9 ) When a gas or a chemical that improves the corrosion resistance of the honeycomb panel is enclosed inside the honeycomb panel,
The life of the hull composed of the same honeycomb panel will be greatly enhanced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a honeycomb panel hull structure as a first embodiment of the present invention with a part thereof broken away.

2 is a perspective view showing a part of a honeycomb panel used in the hull structure of FIG. 1. FIG.

3 is a cross-sectional view showing a joint portion between the honeycomb panels of FIG.

FIG. 4 is a cross-sectional view showing another joint portion between the honeycomb panels of FIG.

FIG. 5 is a perspective view showing a state where the honeycomb panel of FIG. 2 is bent.

[Fig. 6] Fig. 6 is an explanatory diagram showing an example of bending of the honeycomb panel of Fig. 2.

FIG. 7 is a perspective view showing a honeycomb panel hull structure as a second embodiment of the present invention with a part thereof broken away.

FIG. 8 is a perspective view showing a main part of a conventional hull structure.

FIG. 9 is a perspective view showing a main part of another conventional hull structure.

FIG. 10 is a perspective view showing another example of a conventional hull structure.

[Explanation of symbols]

1 veneer 2 Longe wood 2'transformer 2a Girder material 3 ribs 3'stringer material 3a Horizontal partition 4 Department 11 veneer 11a Ship side skin 11d, 11e, 11f welding 11g doubler material 12 ribs 12a, 12b Reinforcement material 13 diagonal 13a Inside honeycomb panel 14a Convex edge 14b concave edge 15 vertical digits 16 horizontal girders 100 upper deck 110 Ship side skin 120 Ship bottom skin 120a bottom plate 120b Vertical partition 130 Horizontal bulkhead

Continuation of the front page (56) References JP-A-58-80046 (JP, A) JP-A-2-162187 (JP, A) JP-A-5-688 (JP, A) Actual Kai-hei-7-13691 (JP , U) Actual development Sho 50-52696 (JP, U) Actual development Sho 62-155085 (JP, U) Japanese Patent Publication 51-20111 (JP, B1) (58) Fields investigated (Int.Cl. ⁷ , DB) Name) B63B 3/28

Claims (8)

(57) [Claims] 1. A large number of diagonal members are vertically sandwiched between two veneer plates each having an outer shell composed of a hull outer plate and an upper deck and an inner shell extending along the inner side of the outer shell. to together are composed of a number of honeycomb panels reinforced longitudinally by the slant members, the hull of which ribs and transverse bulkheads reinforce laterally is attached to the ship, on the honeycomb panel mutually
Each honeycomb panel has a joint part that is perpendicular to the diagonal material.
Sandwich the diagonal edges of the diagonals facing each other
A honeycomb panel hull structure, characterized in that it is formed by projecting it from each single plate and welding . 2. The honeycomb panel hull structure according to claim 1, wherein the horizontal partition walls are formed by sandwiching a plurality of diagonal members extending in the lateral direction between two veneer plates. A honeycomb panel hull structure characterized by comprising a large number of honeycomb panels laterally reinforced by materials and provided with vertical girders for vertically reinforcing the horizontal partition walls. 3. The honeycomb panel hull structure according to claim 1, wherein the horizontal partition walls are formed by sandwiching a plurality of diagonal members extending in the vertical direction between two single plates and forming the same diagonal structure. A honeycomb panel hull structure characterized by comprising a number of honeycomb panels that are reinforced in the vertical direction by materials and provided with horizontal girders that laterally reinforce the horizontal partition walls. 4. The honeycomb panel hull structure according to any one of claims 1 to 3, wherein a vertical partition wall is provided inside the ship, and the vertical partition wall is arranged in a vertical direction between two single plates. A honeycomb panel-type hull structure, characterized in that the honeycomb panel-type hull structure is configured by a honeycomb panel in which a large number of diagonal members extending in the vertical direction are sandwiched and reinforced by the diagonal members in the vertical direction. 5. The honeycomb panel hull structure according to any one of claims 1 to 4, wherein a joint portion of the honeycomb panels which is parallel to the diagonal member is a convex edge portion of one honeycomb panel. Characterized in that it is configured by fitting and welding with the concave edge of the other honeycomb panel,
Honeycomb panel hull structure. 6. The honeycomb panel hull structure according to claim 5, wherein each of the convex edge portion and the concave edge portion has a solid structure. . 7. The honeycomb panel hull structure according to any one of claims 1 to 6 , wherein a foam material for increasing the strength of the honeycomb panel is filled and solidified inside the honeycomb panel. Honeycomb panel type hull structure characterized by. 8. The honeycomb panel hull structure according to any one of claims 1 to 7 , wherein a gas or a chemical for improving the corrosion resistance of the honeycomb panel is enclosed inside the honeycomb panel. A honeycomb panel hull structure characterized by the above.