JP2017019370A - Pontoon hatch cover storage structure of two layer deck ship - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pontoon hatch cover storage structure of two layer deck ship securing a large hatch opening excellent in loading efficiency in which a hatch cover storage hatch opened larger than a width of each pontoon hatch cover is given on a second deck, and capable of storing the pontoon hatch covers of the second deck hatch on a top of a tank.SOLUTION: A pontoon hatch cover storage structure of a two layer deck ship is given in which a transverse bulkhead 6 is arranged in second cargo holds 104, 104 of the two layer deck ship to form wide storage hatch parts 3a, 3b by partially widening a hatch width at both sides of the transverse bulkhead 6 in a hull width direction so that pontoon hatch covers of the second deck hatch 106a, 106b can be stacked on a top of a tank in the second cargo holds 104, 104 by lifting down or up the pontoon hatch covers of the second deck through the wide storage hatch parts 3a, 3b.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a pontoon hatch cover storage structure for a two-layer deck ship, and more particularly to a second deck kuraton pontoon hatch cover storage structure.

  The pontoon hatch cover for the second deck of a two-layer deck ship must be opened at the time of cargo handling or operation, and the applicant of the present application shall store the pontoon hatch cover for the second deck of this type of two-layer deck ship. Have already been proposed in Japanese Patent Laid-Open No. 2013-166516.

  The disclosure of Japanese Patent Application Laid-Open No. 2013-166516 already proposed by the applicant of the present application relates to an invented landmark “pontoon hatch cover storage base”, and “a hatch capable of securing a storage space for a pontoon hatch cover for the second deck” In the object of the invention solving problem "aiming to provide a cover storage base" (see paragraph number 0007 of the publication), in a cargo ship in which a folding or take-up hatch cover and a split movable pontoon hatch cover are installed , The split movable pontoon hatch cover can be stacked on the upper part of the storage space for folding or winding the folding or winding hatch cover '' and the like. (Refer to the description of item 1), "(1) Upper deck pontoon hatch cover on top of the second deck Placing the hatch pontoon hatch cover eliminates the problem of narrowing the upper deck hatch side. (2) In addition, it is possible to secure storage space for the pontoon hatch cover so that the container can be placed on the upper deck. (3) In addition, since the water breaker is installed on the storage base, the possibility that the container loaded on the upper deck will be hit by waves will be reduced. And the like "(see paragraph number 0009 of the same gazette specification).

  FIG. 2 is a schematic view showing a pontoon hatch cover storage base 1 according to Embodiment 1 of the disclosed invention disclosed in FIG. 1 in Japanese Patent Laid-Open No. 2013-166516. In FIG. 2, reference numeral 101 denotes a pontoon hatch cover. The storage platform, 102 is a cargo ship, 103 and 103 are the first cargo hold, 104 and 104 are the second cargo hold, 105 is the upper deck hatch, 106 is the second deck hatch, and 107 is the folding hatch. Cover 108, engine room 109 109 residential area 110 ballast tank 130 crane inner deck deck crane 133 pontoon hatch cover (indicated by the prior art) In order to clarify this, the applicant of the present application has changed it to three digits and explained.)

In particular, the pontoon hatch cover for the second deck of the two-layer deck ship is used as a place to be placed when opening during handling or operation. The upper deck side (Up. Deck Side) or the second deck (2nd Deck) ) Was to be stored at the bow tail.
FIGS. 3 (a), (b), (c), and (d) are diagrams showing an outline of storing the pontoon hatch cover of the second deck hatch of the two-layer deck ship on the upper deck side (Up. Deck Side) and the bow tail. 3 (a) is a longitudinal sectional view, FIG. 3 (b) is an upper deck plan view, FIG. 3 (c) is a second deck plan view, and FIG. 3 (d) is a tank top plan view. .

  3 (a), (b), (c) and (d), 102 is the above-mentioned cargo ship, 103 and 103 are the first cargo hold, 104 and 104 are the second cargo hold, and 105a and 105b are the same. The upper deck hatches 106a and 106b are the second deck hatches on the bow side and the stern side, 110 and 110 are ballast tanks, and 111a is the bow of the upper deck hatches 105a and 105b. The fore part storage hatch 111b for storing the hatch cover of the side (front side) hatch 105a, 111b is the stern part storage hatch for storing the hatch cover of the stern side (tomo side) hatch 105b, and 112 is the upper deck hatch. Cross deck (113) provided between 105a and 105b, 113 is the second deck hatch 106a, 106 on the bow side and the stern side. Cross deck provided between them, 133a is a pontoon hatch cover stored on the upper deck side, 133b is stored from the bow second deck hatch 106a and stern second deck hatch 106b. It is a pontoon hatch cover.

As shown in FIGS. 3 (a), (b), (c), and (d), the pontoon hatch covers removed from the second deck hatches 106 and 106 are respectively stored in the upper deck sides 133a and 133a or the bow tail 133b. Is done.
However, recent two-layer deck ships give priority to cargo handling efficiency, and have a hull structure that narrows the space on the second deck (2nd deck) and the upper deck side (Up. Deck Side) in order to increase the hatch opening. As such, these ships are unable to secure a place for the pontoon hatch covers. For this reason, in order to take up the storage space for the pontoon hatch cover of the second deck hatches 106 and 106 while ensuring the size of the hatch opening, it is necessary to enlarge the hull form, resulting in a significant increase in cost. .

  Further, as shown in FIGS. 3A, 3B, 3C, and 3D, the cross deck 113 is provided in the vicinity of the transverse bulkhead (BHD.) Of the second deck (2nd deck). Yes, it was in the way, and the removed pontoon hatch cover could not be placed near the horizontal partition wall (BHD.) Of the tank top (T.TOP).

  In addition, T.W. Even if the pontoon hatch cover is placed on the TOP, the pontoon hatch cover is rotated in the direction of the ship and lowered from the second deck hatch 106a, 106b, or the height of both ends is adjusted to be inclined at an angle. However, it is conceivable that the pontoon hatch cover is originally stored on the tank top (T.TOP) even if it is lowered to the tank top (T.TOP). Therefore, there is no equipment (lashing equipment) that secures the pontoon hatch cover as a specification. For this reason, the pontoon hatch covers are placed side by side without overlapping so that they will not break and break. I could only do it.

  4 (a) and 4 (b) are diagrams showing a situation in which the pontoon hatch covers of the second deck hatches 106a and 106b are stored on the tank top (T.TOP) on the bottom of the ship in a conventional two-layer deck ship, FIG. 4 (a) shows that when the pontoon hatch cover 133 of the second deck hatches 106a and 106b is stored on the tank top (T.TOP) on the bottom of the ship, the height of both ends is adjusted and the angle is inclined at an angle. FIG. 4B shows a state where the second deck hatches 106a and 106b, which are wide in the ship's direction, suspend the pontoon hatch cover 133 of the removed second deck hatches 106a and 106b. It is a figure which shows the state which carries out horizontal rotation in the ship direction as it is, and stores one by one, without overlapping on a tank top (T.TOP).

JP2013-166516A

  Therefore, the present invention provides a two-layer deck ship that has a large hatch opening with excellent cargo handling efficiency, and has a hatch width (hull width) on both sides of the transverse bulkhead (BHD.) Between the second deck hatches 106a and 106b. A two-layer deck ship that is provided with a hatch cover storage hatch that opens larger than the width in the direction), and that allows the pontoon hatch cover of the second deck hatches 106 and 106 to be stored on the bottom tank top via the hatch cover storage hatch. An object of the present invention is to provide a storage structure for a pontoon hatch cover.

In order to solve the above problems, the invention according to claim 1 of the present application provides a horizontal bulkhead in the second cargo hold of the two-layer deck ship, and the hatch widths on both sides of the horizontal bulkhead are partially set in the hull width direction. A wide storage hatch is formed, and the pontoon hatch cover of the second deck hatch is suspended or lifted from the wide hatch to enable storage on the tank top under the second cargo hold. And
Further, in the invention according to claim 2 of the present application, in the pontoon hatch cover storage structure of the two-layer deck ship according to claim 1, the wide storage hatch portion in which the second deck hatch is partially expanded in the hull width direction is The width of the pontoon hatch cover of the second deck hatch is one width (width in the ship's direction).
Further, the invention according to claim 3 of the present application is the above-described wide storage hatch portion in which the second deck hatch is partially expanded in the width direction of the hull in the pontoon hatch cover storage structure of the two-layer deck ship according to claim 1. Is arranged at the center of each of the hatches before and after the second deck hatch.

  Because of the structure as described above, the pontoon hatch cover storage structure of the two-layer deck ship according to the present invention has a wide opening of the hull in order to prioritize the cargo handling efficiency, and the upper deck side (Up. Deck Side) In a two-layer deck ship where it is impossible to secure a place on the second deck (2nd deck), the tank top (T.TOP) near the bulkhead (BHD) where the pontoon hatch cover has never been used is used. It can be secured as a storage location, and cargo handling efficiency can be improved.

FIGS. 1 (a), (b), (c), and (d) show the two-layer deck ship according to the first embodiment of the present invention corresponding to FIGS. 3 (a), (b), (c), and (d) described above. FIG. 1A is a diagram schematically illustrating a pontoon hatch cover storage structure 1, and FIG. 1A is a longitudinal sectional view of a two-layer deck ship having a pontoon hatch cover storage structure 1 of a two-layer deck ship according to the first embodiment; 1 (b) is a plan view of the upper deck, FIG. 1 (c) is a plan view of the second deck, and FIG. 1 (d) is a plan view of the tank top. FIG. 2 is a schematic diagram showing a pontoon hatch cover storage base 1 according to the first embodiment of the disclosed invention disclosed in FIG. 1 in Japanese Patent Laid-Open No. 2013-166516 already proposed by the present applicant. 3 (a), (b), (c), and (d), the pontoon hatch cover of the upper deck hatch of the two-layer deck ship is placed on the upper deck side (Up. Deck Side), and the second deck (2nd deck) hatch of FIG. It is a figure which shows the outline which stores a pontoon hatch cover in a bow tail part, FIG. 3 (a) is a longitudinal cross-sectional view, FIG.3 (b) is an upper deck top view, FIG.3 (c) is a 2nd deck top view. FIG. 3D is a plan view of the tank top. 4 (a) and 4 (b) are diagrams showing a situation in which the pontoon hatch covers of the second deck hatches 106a and 106b are stored on the tank top (T.TOP) on the bottom of the ship in a conventional two-layer deck ship, FIG. 4 (a) shows that when the pontoon hatch cover 133 of the second deck hatches 106a and 106b is stored on the tank top (T.TOP) on the bottom of the ship, the height of both ends is adjusted and the angle is inclined at an angle. FIG. 4B shows a state where the second deck hatches 106a and 106b, which are wide in the ship's direction, suspend the pontoon hatch cover 133 of the removed second deck hatches 106a and 106b. It is a figure which shows the state which carries out horizontal rotation in the ship direction as it is, and stores one by one, without overlapping on a tank top (T.TOP).

  An embodiment as a mode for carrying out a pontoon hatch cover storage structure for a two-layer deck ship according to the present invention will be described in detail with reference to the drawings.

  1 (a), (b), (c), and (d) are diagrams showing an outline of a pontoon hatch cover storage structure 1 for a two-layer deck ship according to Embodiment 1 of the present invention, and FIG. It is a figure corresponding to a) (b) (c) (d). 1 (a) is a longitudinal sectional view of a two-layer deck ship having a pontoon hatch cover storage structure 1 for a two-layer deck ship according to the first embodiment, and FIG. 1 (b) is a plan view of the upper deck. 1 (c) is a plan view of the second deck, and FIG. 1 (d) is a plan view of the tank top. 1 (a), (b), (c), and (d), reference numeral 1 denotes a pontoon hatch cover storage structure for a two-layer deck ship according to the first embodiment, and 2a denotes a bow storage that opens on the upper deck. Hatch, 2b is the same stern storage hatch, 3a, 3b are wide storage hatch portions formed so that one pontoon hatch can be suspended on the second deck hatches 106a, 106b opened on the second deck, 5a and 5b are pontoon hatch cover storage portions provided on the tank top, and 6 is a transverse bulkhead (BHD.) Provided in the width direction of the hull in the second cargo hold 104. As for the other symbols, the same members shown in FIGS. 3A, 3B, 3C and 3D are denoted by the same symbols.

In the pontoon hatch cover retracting structure 1 of the two-layer deck ship according to the first embodiment, a part of the second deck hatches 106a and 106b opened to the second deck is, for example, as shown in FIG. In addition, the transverse bulkhead (BHD.) 6 is provided in the second cargo hold 104 in the hull width direction, and the hatch width on both sides (hull hull width direction) is compared with the surrounding hatch width, and the hull width is partially The direction was widened so that the pontoon hatch cover of the second deck hatch 106 could be stored on the tank top below the second deck from the widened portion.
That is, the widths of the second deck hatches 106a and 106b are partially expanded (expanded in the hull width direction) to form the wide storage hatch portions 3a and 3b.

Further, in the pontoon hatch cover storage structure 1 of the two-layer deck ship according to the first embodiment, as shown in FIG. 1C, the cross deck (Cross) between the second deck hatches 106a and 106b. The wide storage hatch in which the transverse bulkhead (BHD.) 6 is provided in the width direction of the hull in the second cargo hold 104 without providing the deck 113 and the hatch widths on both sides thereof are partially expanded in the width direction of the hull. The parts 3a and 3b are formed.
The width of the wide storage hatches 3a and 3b (the width in the hull direction) is a width that allows one of the surrounding pontoon hatch covers to be lowered (the pontoon hatch cover can be lowered while being suspended horizontally). Width of length). And the pontoon hatch cover of the second deck hatch 106 can be suspended from the tank top to the tank top.

Along with this, the pontoon hatch cover for the wide storage hatch portions 3a and 3b is also formed to be wide (extending in the ship width direction) so that it can be covered, and the wide pontoon hatch cover is When the second deck hatch 106 is opened during cargo handling, it is temporarily placed on land or temporarily placed in the second deck opening (a portion where the opening width of the bow tail is narrow).
In addition, in the pontoon hatch cover storage structure 1 of the two-layer deck ship according to the first embodiment, the pontoon hatch covers to be stored are stacked and stored, so that a lashing device (lashing) is provided as a premise.

Further, in the pontoon hatch cover storage structure 1 of the two-layer deck ship according to the first embodiment, both sides of the transverse bulkhead (BHD.) 6 between the second deck hatches 106 a and 106 b are widened to the second deck hatch 106. The wide storage hatch portions 3a and 3b (extending in the width direction of the hull) are formed, which are formed on both sides of the transverse bulkhead (BHD.) 6 between the second deck hatches 106a and 106b. It is not limited to. It may be formed at an appropriate position in consideration of the arrangement of the deck crane on the unillustrated upper deck, for example, at the center of each of the second deck hatches 106a and 106b.
Further, in the pontoon hatch cover storage structure 1 of the two-layer deck ship according to the first embodiment, the wide storage hatch portion formed so as to be wide with respect to the size of one hatch cover for the second deck hatches 106a and 106b. 3a and 3b are formed, but this does not prevent the width of the two pontoon hatch covers stacked on the tank top from being increased by two or three.

Thus, in the pontoon hatch cover storage structure 1 for the two-layer deck ship according to the first embodiment, the pontoon hatch cover for the two-layer deck ship with a wide opening of the hull to prioritize the cargo handling efficiency. When a place to place the top on the upper deck side (Up. Deck Side) or the second deck (2nd Deck) cannot be secured, a tank top (T.TOP) that has never been used will be secured as the place to be placed Can increase the function as a ship.
Moreover, since the pontoon hatch cover of the second deck hatch is stored on the tank top (T.TOP), the types of cargo loaded on both sides of the place of placement can be separately loaded.

  INDUSTRIAL APPLICABILITY The present invention is used for a pontoon hatch cover storage structure for a two-layer deck ship, and particularly for a storage pontoon hatch cover storage structure for a second deck hatch.

DESCRIPTION OF SYMBOLS 1 Pontoon hatch cover storage structure 2a Bow part storage hatch 2b Stern part storage hatch 3a, 3b Wide storage hatch part 5a, 5b Pontoon hatch cover storage part 6 Horizontal partition (BHD.) Provided in 2nd cargo hold
101 Pontoon hatch cover storage base 102 Cargo ship 103, 103 First cargo hold 104, 104 Second cargo hold 105 Upper deck hatch 106 Second deck hatch 107 Foldable hatch cover 108 Engine room 109 Residential area 110 Ballast tank 111a Store at bow Hatch 111b Stern storage hatch 112 Upper deck Inlet deck (Cross Deck)
113 Second deck cross deck (Cross Deck)
113a, 113b Pontoon hatch cover 130 Inner crane, deck crane 133, 133a Pontoon hatch cover

In order to solve the above-mentioned problem, the invention according to claim 1 of the present application provides a horizontal bulkhead in the second cargo hold of the two-layer deck ship, and partially increases the hatch width on both sides of the horizontal bulkhead in the hull width direction. A wide storage hatch portion is formed, and the pontoon hatch cover of the second deck hatch is suspended or lifted from the wide storage hatch portion, and can be stored on the tank top under the second cargo hold. And
Further, in the invention according to claim 2 of the present application, in the pontoon hatch cover storage structure of the two-layer deck ship according to claim 1, the wide storage hatch portion in which the second deck hatch is partially expanded in the hull width direction is The width of the pontoon hatch cover of the second deck hatch is one width (width in the ship's direction).
Further, in the invention according to claim 3 of the present invention, in the pontoon hatch cover storage structure of a two-layer deck ship, the wide storage hatch part in which the second deck hatch is partially expanded in the width direction of the hull includes the second deck hatch. The pontoon hatch cover is arranged at an appropriate position derived from the arrangement of the deck crane on the upper deck with a width corresponding to one to three pontoon hatch covers .

Claims (3)

  A horizontal bulkhead is provided in the second cargo hold of the two-layer deck ship, and a wide storage hatch part is formed by partially expanding the hatch width on both sides of the horizontal bulkhead in the hull width direction, and the second deck is extended from the wide hatch part. A pontoon hatch cover storage structure for a two-layer deck ship, wherein a hatch pontoon hatch cover is suspended or lifted to be stored on the tank top under the second cargo hold.   The wide storage hatch portion obtained by partially expanding the second deck hatch in the hull width direction has a width (width in the ship length) of one pontoon hatch cover of the second deck hatch. The pontoon hatch cover storage structure for a two-layer deck ship according to claim 1. 2. The wide storage hatch portion in which the second deck hatch is partially expanded in the hull width direction is disposed at a central portion of each of the hatches before and after the second deck hatch. The pontoon hatch cover storage structure of the 2-layer deck ship.

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