JP2006008123A - Internal partition for ships - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an internal partition for ships which is lightweight, easy to assemble, inexpensive and complied with the Type "A" of International Fire-prevention Convention for ships. <P>SOLUTION: The internal partition (1) for ships consists of a plurality of metallic plate sheets (2) which are inserted in each other and ≤ 15/10 mm in thickness. Since the structure of the metallic sheet panels (2) is insertable, fitted wires play a role of reinforcing members, and the entire rigidity can be ensured thereby. By combining the metallic sheets of ≤ 15/10 mm in thickness with the inserted wires, the sufficiently long fire resistance is demonstrated unexpected to the expectation of persons skilled in the art, and satisfied with the Standard. The metallic sheet panels (2) are inserted in each other by a sidewise folded male part (20) and/or a female part (21). The rigidity can be increased by this insertion, and the shape of the male/female part works so that no smoke passes through the metallic sheet panels without requiring any packing. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a structural weight-unsupported internal partition for ship's living and working areas, in particular, the International Maritime Life Safety Convention adopted in 1974, the so-called SOLAS Chapter II-2 and subsequent amendments The so-called “A” internal partition for ships is defined as follows. Such internal partitions must comply with the requirements of rigidity, fire resistance, and flame and smoke barrier properties.

  The integrity of the separating means against fire is the performance of the structure that should isolate and protect certain areas from the effects of fires occurring in adjacent areas by performing the separating function during the fire. Chapter II-2 of the SOLAS Convention incorporates these provisions and defines the type A internal divider.

  Resolution A. adopted by the International Maritime Organization (IMO) on November 4, 1993 754 (18) expresses a recommendation for a fire resistance test for model “A”, “B”, “F” internal partitions. According to this recommendation, the type A internal partition made of steel sheet has a thickness of 4.5 ± 0.5 mm.

  The IMO Circular 1005 dated 8 June 2001 describes so-called lightweight internal partitions made of steel or equivalent (particularly with respect to rule 3.3.1 (steel or equivalent) and rule 3.3.2 (stiffness)). The use of the honeycomb type, etc.), resulting in a uniform interpretation of Chapter II-2 of the SOLAS Convention.

  Today, however, this type of internal divider is still manufactured from a large steel plate with a thickness of 4 mm, and by arranging stiffeners at regular intervals, rule 3.3.1 and rule 3.3.2. In addition, the thickness and homogeneity of the internal partition enable fire resistance performance (flame and smoke interception) under the conditions imposed by the rules. However, the internal partition constructed in this way increases the weight of the metal structure and imposes various assembly conditions on the ship due to its size and weight. In fact, these internal partitions are arranged from the pre-assembly stage, i.e. assembled at the same time as the internal partitions that constitute the structure of the ship and support the structural loads. On the other hand, the costs generated by their use are expensive considering the amount of materials used.

There is a lightweight internal partition that is used for building prefabricated cabins and consists of a thin metal plate fitting panel that is slightly retracted and filled with glass wool or rock wool type mineral wool. This mineral wool insulates the walls and plays a role in soundproofing. However, these internal partitions are type B according to the standard of the SOLAS fire protection regulations. The Type A internal partition must withstand flames and smoke for 60 minutes, whereas the Type B internal partition can withstand flames for only 30 minutes and does not necessarily block the smoke like the Type A internal partition.
Prior art documents in this field include, for example, the following.
Japanese Patent Application Laid-Open No. 07-238600 discloses a fireproof plate material. The present invention has a configuration in which a core material having a honeycomb structure is sandwiched between two incombustible or flame retardant plate-like materials arranged opposite to each other.
Japanese Patent Application Laid-Open No. 10-231567 discloses a fire prevention panel for a ship and a fire prevention structure using the fire prevention panel. This invention is a fireproof panel of a ship in which the surface side of a heat insulating material is covered with a flat sheet steel plate, and the adjacent fireproof panels are engaged with each other by a stepped or hook-shaped portion, respectively.
Japanese Patent Application Laid-Open No. 11-022058 discloses a joining structure of outer wall panels. In the present invention, a flame retardant joint material is interposed between the sides of two outer wall panels, and a foamed flame retardant sheet is interposed in the back surface direction of the two outer wall panels.
Japanese Patent Application Laid-Open No. 07-238600 Japanese Patent Laid-Open No. 10-231567 Japanese Patent Laid-Open No. 11-022058

  An object of the present invention is to propose a light-weight and easy-to-assemble solution for an internal partition that complies with the SOLAS Fire Treaty.

  The internal partition according to the present invention is an unsupported type “A” internal partition for ships that satisfies the provisions of international regulations for fire resistance, and this internal partition (1) has a thickness of 15 that can be fitted together. It consists of a plurality of metal plate panels (2) of / 10 mm or less (first means). Since the structure of the metal plate panel can be fitted, the fitting line serves as a stiffener, so that the entire rigidity can be ensured. Combining a metal plate having a thickness of 15/10 mm or less and a fitting line, contrary to the expectation of those skilled in the art, exhibits fire resistance sufficiently long and corresponds to the above standards. In fact, when the sheet metal panel is deformed due to fire and its thickness is thinner than that normally used, the fitting will ensure the necessary rigidity for the reached temperature, thereby reducing the flame and smoke. Can continue to shut off. Furthermore, the configuration based on various metal plate panels can be directly mounted on a ship instead of a pre-assembly stage. In addition, since the assembly restrictions are reduced, the assembly of the ship and the ritual can be further linked.

  According to a particular configuration of the invention, the metal plate panels (2) are fitted together by a combination of side-folded male part (20) and female part (21) (second means). The sheet metal panels are mechanically coupled together by riveting, welding, cleaving, caulking, screwing, or other known means. The rigidity can be maximized by fitting the male part and the female part. On the other hand, the shape of the male part / female part is particularly well suited to prevent smoke from passing between the metal plate panels without the need for packing.

  According to one characteristic of the invention, the metal plate of the metal plate panel (2) is a steel plate having a thickness of about 7/10 mm (third means). This thickness corresponds to the standard thickness (without mineral wool) of a metal plate panel that falls into the type B classification rather than the SOLAS regulation type A classification normally used on ships.

  According to a configuration of the present invention, an L-shaped profile (2) and a structural wall (3, 5a, 5b) of a ship are fixed to the structural wall (3, 5a, 5b) ( Joining is performed according to 4) (fourth means). The internal partition is mechanically fixed to the profile in a known manner. The structural wall may be a partition that supports a structural load, or may be a metal plate of an upper deck or a lower deck.

  According to a configuration of the present invention, a U-shaped profile (2) and a structural wall (3, 5a, 5b) of a ship are fixed to the structural wall (3, 5a, 5b) ( Joining is performed according to 6) (fifth means). The U-shaped section is used to fix the inner partition to the structural wall by inserting the edge of the inner partition into the U-shaped section, and the inner partition edge is mechanically uniform in a known manner Fixed to a U-shaped profile.

  According to a particular feature of the invention, the profile (4, 6) is joined to the structural wall (3, 5a, 5b) by a non-combustible joint (41) (seventh means). The reason why the non-flammable joint is used is to make fireproof and block smoke.

  According to a particular feature of the invention, the profiles (4, 6) are connected to the structural walls (3, 5a, 5b) by an inflatable joint (41) (sixth means). The expansion of the joint due to heat blocks the flame and smoke.

  According to a particular feature of the invention, the profiles (4, 6) are welded to the structural walls (3, 5a, 5b) of the ship (eighth means). The profile is uniformly welded at a plurality of locations to a structural wall, i.e. a partition that supports structural loads or a metal plate on the upper or lower deck.

  According to an advantageous configuration of the invention, the internal partition (1) forms the ceiling of the area produced from the metal plate panel (2) (ninth means). In fact, the ceiling becomes self-supporting by fitting, and the side unsupported internal partition and the internal partition forming the ceiling are joined via the outer wing piece of the U-shaped profile. That is, the upper edge of the internal partition is inserted into a U-shape, and the U-shaped outer wing piece is mechanically fixed to the edge of the internal partition forming the ceiling by a known method to reinforce the overall rigidity. The joining of the unsupported internal partition and the internal partition forming the ceiling can be similarly performed through an L-shaped member.

Since the structure of the metal plate panel (2) can be fitted, the fitting line serves as a stiffener, so that the overall rigidity can be ensured. Combining a metal plate with a thickness of 15/10 mm or less and a fitting line, against the expectation of those skilled in the art, exhibits fire resistance sufficiently long and corresponds to safety standards. The metal plate panel (2) is fitted to each other by a combination of the side bent male part (20) and the female part (21), and the fitting can increase the rigidity and the male part. The shape of the female part acts so that smoke does not pass between the metal plate panels without the need for packing.
Therefore, it is possible to obtain a light-weight and easy-to-assemble solution for an internal partition corresponding to the SOLAS fire prevention convention.

The invention will be better understood after reading the following description, given by way of example only with reference to the accompanying drawings, in which:
FIG. 1 shows a cross section from above of the bulkhead according to the present invention, FIG. 2 shows a cross section in contact with the lower deck from the side cut by II-II in FIG. 1, and FIG. FIG. 4 shows various types of metal plate panels according to the present invention, and FIG. 5 shows various types of profiles used. Indicates.

  The internal partition 1 according to the present invention shown in FIG. 1 is composed of a plurality of metal plate panels 2 (or metal plates themselves) that are fitted together by a male part 20 and a female part part 21 for coupling. . Each metal plate panel 2 has a male part 20 and a female part mold 21 at the side edges. The side edge of the male mold part 20 is composed of a first right-angled recessed part 200 of the metal plate panel 2 and a second recessed part 201 perpendicular to the first recessed part 200. The female mold part 21 includes a first right-angled retracting part 210 on the surface of the metal plate panel 2 and then a wallet-shaped bent part 211 that cooperates with the second retracting part 201 of the male mold part 20. .

  As can be seen from FIG. 1, the metal plate panel 2 is fixed to the ship wall 3 by an L-shaped member 4, and the L-shaped member 4 is a known mechanical member such as a rivet, a welding point, or a screw. It is fixed to the metal plate panel 2 by the fixing means 40. The joint 41 is disposed between the L-shaped member 4 and the wall body 3. As can be seen from FIG. 1, the metal plate panel 2 fixed to the wall 3 has a specific shape, and actually, the male part 20 or the female part 21 includes a member protruding from the metal plate panel 2. The wall 3 and the recess 200 or 210 are brought into contact with each other so that the whole is better fixed.

  The internal partition 1 has the same structure as the flat metal plate panel 2 and forms various angles with the elbow panel 22 bent to a desired angle. According to a modified embodiment not shown, various angles can be similarly formed by the L-shaped member 4 and the like.

  FIG. 2 is a vertical sectional view taken along the line II-II of the internal partition 1 arranged on the metal plate of the lower deck 5a of the ship, and this internal partition is located between the lower deck 5a and the upper deck 5b. A box-shaped area having a height lower than the height of the box is formed. The metal plate panel 2 is fitted in the same way as described for FIG. The ceiling is fixed by bending a U-shaped wing piece 70 toward the outside with a U-shaped member 7. The profile 7 is arrange | positioned as follows. That is, the U-shaped member 7 is inserted into the metal plate panel 2 forming the wall and mechanically fixed by a known method by the fixing means 71, and then the male part 201 is fixed to the U-shaped wing piece 70. Alternatively, the wing piece 70 is slid by the female part 211 and fixed as a whole by a known method.

  In FIG. 3, the internal partition 1 is disposed between the lower deck 5 a and the upper deck 5 b, and the lower part of the internal partition 1 is fixed to a metal plate that forms the lower deck 5 a with a U-shaped member 6. The shape member 6 is mechanically fixed to a metal plate forming the lower deck 5a by spot welding, bonding, or other known means. Thereafter, the metal plate panel 2 is fixed to the shape member 6 by, for example, screwing. The upper part of the metal plate panel 2 of the internal partition 1 is fixed to the metal plate of the upper deck 5b as described above with reference to FIG.

  FIG. 4 shows various metal plate panels 2.

  FIG. 4 a is a standard metal plate panel 2 having a male part 20 facing outward and a similar female part 21.

  4b is a non-standard metal plate panel 2 derived from the standard metal plate panel 2 of FIG. 4a, the male side 201 parallel to the metal plate panel 2 is not changed, and the female side 211 is It is cut so as not to protrude from the edge of the metal plate panel 2.

  FIG. 4c is a non-standard metal plate panel 2 derived from the standard metal plate panel 2 of FIG. 4a, with the male part 20 facing inward.

  FIG. 4d is a non-standard metal plate panel 2 derived from the standard metal plate panel 2 of FIG. 4a, wherein the metal plate panel is bent at a desired angle.

  FIG. 5 shows various usable profiles, ie L-shaped profiles (FIG. 5a) or U-shaped profiles (FIG. 5c), or side wings for fixing to the metal plate panel 2 of the ceiling. FIG. 5b shows a U-shaped profile with FIG.

Sectional drawing from the upper part of the internal partition for ships which concerns on this invention 1 is a cross-sectional view taken along the line II-II in FIG. 1 is a cross-sectional view taken along the line III-III in FIG. Illustration of various types of metal plate panels according to the present invention Illustration of the various types of profiles used

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ship interior partition 2 Metal plate panel 3 Wall body 4 L-shaped material
5a Lower deck 5b Upper deck
6 U-shaped profile
7 U-shaped profile
20 Male part 21 Female part 22 Elbow panel 40 Fixing means 41 Joint 70 U-shaped wing piece 71 Fixing means

Claims (9)

  A structural weight-unsupported type “A” marine internal partition that satisfies the requirements of international regulations for fire resistance, and is composed of a plurality of metal plate panels having a thickness of 15/10 mm or less that can be fitted into each other. An internal partition for ships.   The ship internal partition according to claim 1, wherein the metal plate panels are fitted into each other by a combination of a male part and a female part that are bent sideways.   The ship internal partition according to claim 1 or 2, wherein the metal plate panel is a steel plate having a thickness of about 7/10 mm.   The marine vessel according to any one of claims 1 to 3, wherein the metal plate panel and the structural wall of the marine vessel are joined by an L-shaped member fixed to the structural wall. Internal divider.   The ship according to any one of claims 1 to 3, wherein the metal plate panel and the structural wall of the ship are joined by a U-shaped member fixed to the structural wall. Internal partition.   The ship interior partition according to claim 4 or 5, wherein each of the profiles is coupled to the structural wall by an inflatable joint.   6. The ship interior partition according to claim 4, wherein each of the profiles is coupled to the structural wall by a nonflammable joint.   The ship internal partition according to claim 4 or 5, wherein each of the profiles is welded to a structural wall of the ship.   The ship interior partition according to any one of claims 1 to 8, wherein a ceiling of an area manufactured from the metal plate panel is formed.

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