JP3637044B2 - Long cargo carrier - Google Patents

Long cargo carrier Download PDF

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Publication number
JP3637044B2
JP3637044B2 JP2002282237A JP2002282237A JP3637044B2 JP 3637044 B2 JP3637044 B2 JP 3637044B2 JP 2002282237 A JP2002282237 A JP 2002282237A JP 2002282237 A JP2002282237 A JP 2002282237A JP 3637044 B2 JP3637044 B2 JP 3637044B2
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JP
Japan
Prior art keywords
cargo
hull
length
hatch
combing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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JP2002282237A
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Japanese (ja)
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JP2004114877A (en
Inventor
耕一 吉田
修三 山本
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Shin Kurushima Dockyard Co Ltd
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Shin Kurushima Dockyard Co Ltd
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Priority to JP2002282237A priority Critical patent/JP3637044B2/en
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Description

【0001】
【発明の属する技術分野】
この発明は、軌道に用いるレール等の長尺物を貨物艙内に格納して、荷役および輸送する長尺物輸送貨物船およびその荷役方法に関するものである。
【0002】
【従来の技術】
従来、この種の発明は、図5および図6に示すように、船体31に2個以上の貨物艙32,32を有する船舶しか安全上設計が難しく、レール標準長さも25mであり、貨物艙32のメカニカルハッチカバー長さが75m以上の船舶は存在しなかった。
【0003】
図5を用いて詳しく説明すると、貨物艙32の長さを0.3L(Lは垂線間長さ)または40mより長くすると、万一、衝突または座礁した場合、1個の貨物艙32に海水が浸水し、残存確率が非常に少なくなり、危険性を伴なうのでそのような船舶は、外航船では存在しなかった。
【0004】
よって、長くても0.3L程度、40m未満の貨物艙32を2個設け、図6に示すように貨物艙32の幅は、0.7B(Bは船幅)を設け、かつ、舷側タンク33の幅は、0.15Bとなり、安全性、所謂、万一の残存確率を保ちながら、貨物艙32の容積を確保していた。
【0005】
図5で示すように、1個の貨物艙32の舷側には、各舷2個ずつ以上の線側タンク33を有し、船側損傷からの貨物艙32への浸水を防いでいた。
【0006】
また、上甲板34には、2基のデッキクレーン35を装備し、夫々のデッキクレーン35で各貨物艙32に、0.3L未満、所謂、40m未満の貨物しか積込・積降しが行えなかった。
【0007】
【発明が解決しようとする課題】
従来の技術で述べたように、貨物艙は、残存確率などの安全上の諸問題で0.3L以上の長さを有することは難しなどの問題点を有していた。
【0008】
しかし、従来までは、軌道に用いるレールの長さは、最長25mが標準であったが、近年、列車の高速化、動揺対策の快適化および安全性が要求され、軌道に用いるレール長さが75mの長尺物が出現し、船舶の暴露のメカニカルハッチカバー上や台船で輸送することは可能であるが、多量に積載できず、輸送スピードも遅く、致命的なレールに発錆などの問題を有していた。
【0009】
この発明は、従来の技術の有するこのような不十分な点に鑑みてなされたものであり、その目的とするところは、レール長さが75mの長尺物を環境の良い状態で大量に、しかもスピーディーに輸送しようとする貨物艙を有する船舶を提供しようとするものである。
【0010】
【課題を解決するための手段】
上記目的を達成するために、この発明は、船体に0.6L(Lは垂線間長さ)の長さの貨物艙を設け、該貨物艙の縦方向の重心位置と船体の浮心を合わせ、かつ、船体の0.6B(Bは船幅)の幅を有するボックスタイプの形状とし、貨物艙の前後には、ボイドスペースが適当な長さで設けられ、該貨物艙の舷側には、各舷6個以上の舷側タンクが設け、ハッチコーミングに必要数の梁が設けられ、上甲板の片舷に2基のデッキクレーンを備えるものである。
【0011】 貨物艙の幅方向の上甲板のハッチコーミングに梁が設けられ、該梁の片方端は片舷のハッチコーミングにレセスが設けられ、該梁の片方端がレセスに挿入され、他方端は他方舷のハッチコーミングに設けられた油圧シリンダーのロッドに架設され、貨物艙の縦方向全通に渡り、両舷のタイトニングバーの船体横方向の間隔が変わらないように保持する必要数の梁を舷側タンクの前後の隔壁近傍に設けられるものである。
【0012】
【発明の実施の形態】
この発明は、図1および図2に示すように、貨物艙2は、積付効率が良く大量に貨物を運ぶためボックスタイプ(四角い)の形状を有し、船体1の0.6L(Lは垂線間長さ)の長さを有し、かつ、船体1の0.6B(Bは船幅)の長さを有するものである。
【0013】
貨物艙2は、各舷に少なくとも6個以上の舷側タンク3を有することにより浸水する確率を減少させ、前後のボイドスペース4で、貨物艙2の重心位置と船体1の浮心位置を合わせ、万一の貨物艙2の浸水に際してトリム・ヒールが発生しない、または、最小限に止め、残存確率を向上させてものである。
【0014】
【実施例】
図1および図2を用いて説明すると、船体1に0.6Lの長さの貨物艙2を船体1の縦方向の略重心位置に設け、かつ、船体1の0.6Bの幅を有するものである。
【0015】
貨物艙2の前後には、ボイドスペース(甲板下倉庫など含む)4,4が適当な長さで設けられ、該貨物艙2の舷側には、本実施例では各舷6個以上の舷側タンク3が設けられている。舷側タンクは、多く区画割をすることにより、浸水する確率は少なくなるが、必要以上のものは過剰設備となる。
【0016】
貨物艙2の上甲板5上の前後には、メカニカルハッチカバー6が夫々に格納されており、開閉時には、ハッチコーミング7のトッププレート8上のレール(図番なし)を走行するようになっている。
【0017】
また、上甲板5には、貨物艙2の片舷の長さ方向内の所定の位置に2基のデッキクレーン9、9が備えられ、75mの数本梱包された長尺物10を2基のデッキクレーン9,9が相吊を行い荷役を行うものである。
【0018】
図3は、船体1の貨物艙2に長尺物10の貨物を積載して、貨物艙2の長さ方向の中間での横置断面で撓みを誇張して示したものである。船体1は、貨物の重量により喫水線11まで沈む。船体1の外板13は、船側水圧12により、上甲板5において、船幅Bより数十ミリ内側に撓もうとする。船体1に撓みが発生しても遥かに弾性限度より低い応力であるので船体の構造上は問題ない。
【0019】
しかし、ハッチコーミング7が所定の数値より内側に撓むという艙口変形は極力抑えたいのである。図4に示すようにハッチコーミング7のトッププレート8上にはメカニカルハッチカバー6がパッキン14とタイトニングバー15を介して、暴露と貨物艙2内とを遮断している。船側水圧12に加え、20年に一度の荒天による波浪を外板が受けた場合、メカニカルハッチカバーの両舷のパッキン14間の距離は変わらず、タイトニングバー15とパッキン14の約半幅bの艙口変形が起こった場合、タイトニングバー15はパッキン14から外れ、海水が貨物艙2に浸入する機会は皆無とは言えない。
【0020】
よって、艙口変形を最小限に抑えるために、図1および図4で示すように、貨物艙2の幅方向の上甲板5のハッチコーミング7に端部を有する必要数の梁16を舷側タンク3の前後の隔壁近傍に設けようとするものである。該梁16の片方端は片舷のハッチコーミング7に設けられたレセス17に挿入され、他方端は他方舷のハッチコーミング7に設けられた油圧シリンダー18のロッド19に架設され、所定の圧力で押し、貨物艙2の縦方向全通に渡り、両舷のタイトニングバー15の船体横方向の間隔が変わらないように保持するものである。
【0021】
次に、長尺物の荷役方法について説明すると、2基のデッキクレーン9,9にて、貨物艙2に長尺物10の貨物が所定の喫水まで積載される。夫々のデッキクレーン9で梁16を吊り、上甲板5に格納されている梁16の片方端を所定のハッチコーミング7のレセス17挿入し、他方端を他方舷の油圧シリンダー18のロッド19に係止し、所定の圧力で梁を押し、ハッチコーミング7のトッププレート8上に設けられたタイトニングバー15が許容範囲内で平行になっていることを確認する。
【0022】
長尺物10の積荷地で前後に設けられたメカニカルハッチカバー6を閉じ、クリート(図番なし)により締め付け、タイトニングバー15とパッキン14を密着させ、水密性を保ち、揚げ荷目的地に輸送する。その間、油圧シリンダー18と梁16によって、タイトニングバー15の間隔は所定範囲以内に保持されている。
【0023】
揚げ荷地において、クリート(図番なし)を緩め、メカニカルハッチカバー6をジャッキアップし、タイトニングバー15とパッキン14を離脱し、貨物艙2の前後にメカニカルハッチカバー6を格納する。順次、梁16を支持していた油圧シリンダー18を戻し夫々のデッキクレーン9で梁16を吊り、上甲板5に格納する。2基のデッキクレーン9,9にて、貨物艙2の長尺物10の貨物を所定場所に揚げ荷を行う。
【0024】
【発明の効果】
この発明は、上記のとおり構成されているので、次に記載する効果を奏する。この発明は、貨物艙をボックスタイプの形状を有し、船体の0.6Lの長さを有し、かつ、船体の0.6Bの長さを有し、各舷に舷側タンクを有することにより浸水する確率を減少させ、前後のボイドスペースで、貨物艙の重心位置と船体の浮心位置を合わせ、万一の貨物艙の浸水に際してトリム・ヒールが発生しない、または、最小限に止め、残存確率を向上させ、レール長さが75mの長尺物を貨物艙の環境の良い状態で大量に、しかもスピーディーに輸送しようとする貨物艙を有する船舶を提供しようとするものである。
【図面の簡単な説明】
【図1】この発明の船体を平面図で略示したものである。
【図2】この発明の船体を中央横置断面図で略示したものである。
【図3】この発明の船体を横置断面図で舷側タンクの撓みを誇張して略示したものである。
【図4】この発明の船体を横置断面図で梁により艙口変形の矯正を略示したものである。
【図5】従来の船体を平面図で略示したものである。
【図6】従来の船体を中央横置断面図で略示したものである。
【符号の説明】
1 船体
2 貨物艙
3 舷側タンク
4 ボイドスペース
5 上甲板
6 メカニカルハッチカバー
7 ハッチコーミング
8 トッププレート
9 デッキクレーン
10 長尺物
11 喫水線
12 船側水圧
13 外板
14 パッキン
15 タイトニングバー
16 梁
17 レセス
18 油圧シリンダー
19 ロッド
[0001]
BACKGROUND OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a long cargo transport cargo ship and a cargo handling method for storing and transporting a long article such as a rail used for a track in a cargo cage.
[0002]
[Prior art]
Conventionally, in this type of invention, as shown in FIGS. 5 and 6, only a ship having two or more cargo rods 32, 32 in the hull 31 is difficult to design for safety, and the standard rail length is 25 m. There was no ship with 32 mechanical hatch cover lengths of 75 m or more.
[0003]
Referring to FIG. 5 in detail, if the length of the cargo trough 32 is longer than 0.3 L (L is the length between perpendiculars) or 40 m, in the unlikely event that it collides or is stranded, Such a ship did not exist in ocean-going ships because it was flooded, the probability of survival was very low and it was dangerous.
[0004]
Therefore, two cargo rods 32 of about 0.3L or less than 40 m are provided at the longest, the width of the cargo rod 32 is 0.7B (B is the width of the ship) as shown in FIG. The width was 0.15 B, and the volume of the cargo basket 32 was secured while maintaining the so-called safety probability.
[0005]
As shown in FIG. 5, one side of each cargo rod 32 has two or more line-side tanks 33 to prevent water from entering the cargo rod 32 from damage on the ship side.
[0006]
Also, the upper deck 34 is equipped with two deck cranes 35, and each deck crane 35 can only load and unload cargo of less than 0.3L, so-called less than 40m, into each cargo cage 32. It was.
[0007]
[Problems to be solved by the invention]
As described in the prior art, the cargo trap has problems such as difficulty in having a length of 0.3 L or more due to various safety problems such as the remaining probability.
[0008]
However, until now, the standard length of the rail used for the track was 25m, but in recent years, the speed of the train, the comfort of the vibration control and the safety are required, and the length of the rail used for the track is small. A 75m long object appears and can be transported on the exposed mechanical hatch cover of a ship or by a trolley, but it cannot be loaded in large quantities, the transport speed is slow, rusting on deadly rails, etc. Had a problem.
[0009]
The present invention has been made in view of such insufficient points of the prior art, and the object of the present invention is to produce a large number of long objects having a rail length of 75 m in a good environment. In addition, the present invention intends to provide a ship having a cargo container to be transported speedily.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, a cargo rod having a length of 0.6 L (L is a length between perpendiculars) is provided on the hull, and the vertical center of gravity position of the cargo rod is aligned with the floating center of the hull . and, the hull of 0.6B (B is the breadth) a box-type shape have a width of, the front and rear cargo艙, void space is provided in a suitable length, the broadside of the cargo艙, Each side has 6 or more side tanks, the required number of beams for hatch coaming, and two deck cranes on one side of the upper deck .
A beam is provided on the hatch combing of the upper deck in the width direction of the cargo cage, and one end of the beam is provided with a recess on one side of the hatch combing, and one end of the beam is inserted into the recess, and the other end Is installed on the rod of the hydraulic cylinder on the other side of the hatch coaming, and it is necessary to hold the tightness bars on both sides of the hull across the longitudinal direction of the cargo cage so that the horizontal spacing of the hull does not change. The beams are provided in the vicinity of the partition walls before and after the heel tank.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
In the present invention, as shown in FIGS. 1 and 2, the cargo trough 2 has a box-type (square) shape for carrying a large amount of cargo with good loading efficiency, and is 0.6 L (L is a vertical line) of the hull 1. And a length of 0.6B of the hull 1 (B is a width of the ship).
[0013]
Cargo dredging 2 has at least six dredging tanks 3 in each dredging to reduce the probability of inundation, and in the front and back void spaces 4, the center of gravity position of freight dredging 2 and the floating position of hull 1 are aligned, In the unlikely event that the cargo cage 2 is submerged, trim or heel does not occur or is minimized and the remaining probability is improved.
[0014]
【Example】
Referring to FIGS. 1 and 2, the cargo hull 2 having a length of 0.6 L is provided in the hull 1 at a substantially center of gravity in the vertical direction of the hull 1 and has a width of 0.6B of the hull 1. .
[0015]
Void spaces (including under deck warehouses) 4 and 4 are provided at appropriate lengths before and after the cargo cage 2, and on the cargo side of the cargo cage 2, in this embodiment, six or more cage side tanks are provided. 3 is provided. By dividing a lot of the berth side tank, the probability of flooding is reduced, but if it is more than necessary, it will be over-equipped.
[0016]
A mechanical hatch cover 6 is housed in the front and rear of the upper deck 5 of the cargo cage 2, respectively, and when it is opened and closed, it runs on a rail (not shown) on the top plate 8 of the hatch combing 7. Yes.
[0017]
Further, the upper deck 5 is provided with two deck cranes 9 and 9 at predetermined positions in the length direction of one side of the cargo basket 2, and two long objects 10 packed in a number of 75 m are packaged. The deck cranes 9 and 9 are used for carrying out cargo handling.
[0018]
FIG. 3 shows an exaggerated deflection in a horizontal section in the middle of the length of the cargo rod 2 with the cargo of the long object 10 loaded on the cargo rod 2 of the hull 1. The hull 1 sinks to the draft line 11 due to the weight of the cargo. The outer plate 13 of the hull 1 tends to bend tens of millimeters inside the ship width B on the upper deck 5 due to the water pressure 12 on the ship side. Even if the hull 1 is bent, the stress is far lower than the elastic limit, so there is no problem in the structure of the hull.
[0019]
However, it is desirable to suppress as much as possible the heel deformation in which the hatch combing 7 bends inward from a predetermined value. As shown in FIG. 4, the mechanical hatch cover 6 blocks the exposure and the inside of the cargo cage 2 via the packing 14 and the tightening bar 15 on the top plate 8 of the hatch combing 7. In addition to ship-side water pressure 12, if the outer plate receives a wave of stormy weather once every 20 years, the distance between the packings 14 on both sides of the mechanical hatch cover does not change, and the half width b of the tightening bar 15 and the packing 14 is about When dredging deformation occurs, the tightening bar 15 is detached from the packing 14, and it cannot be said that there is no opportunity for seawater to enter the cargo trough 2.
[0020]
Therefore, in order to minimize dredging deformation, as shown in FIG. 1 and FIG. 4, the necessary number of beams 16 having ends on the hatch combing 7 of the upper deck 5 in the width direction of the cargo dredge 2 are disposed on the dredging tank. 3 is to be provided in the vicinity of the front and rear partition walls. One end of the beam 16 is inserted into a recess 17 provided in one hatched combing 7, and the other end is installed on a rod 19 of a hydraulic cylinder 18 provided in the other hatched combing 7. It pushes and holds so that the space | interval of the hull horizontal direction of the tightening bar 15 of both sides does not change over the longitudinal direction of the cargo cage 2. FIG.
[0021]
Next, a method for handling a long object will be described. The cargo of the long object 10 is loaded on the cargo cage 2 to a predetermined draft by the two deck cranes 9 and 9. Each deck crane 9 suspends a beam 16, inserts one end of the beam 16 stored in the upper deck 5 into a recess 17 of a predetermined hatch combing 7, and engages the other end with a rod 19 of a hydraulic cylinder 18 on the other side. Stop and press the beam with a predetermined pressure to confirm that the tightening bars 15 provided on the top plate 8 of the hatch combing 7 are parallel within an allowable range.
[0022]
Close the mechanical hatch cover 6 provided at the front and back at the loading place of the long object 10 and tighten it with cleats (no figure number) to bring the tighting bar 15 and the packing 14 into close contact with each other. transport. Meanwhile, the interval between the tightening bars 15 is maintained within a predetermined range by the hydraulic cylinder 18 and the beam 16.
[0023]
In the lifting area, the cleat (not shown) is loosened, the mechanical hatch cover 6 is jacked up, the tightening bar 15 and the packing 14 are detached, and the mechanical hatch cover 6 is stored in front of and behind the cargo cage 2. Sequentially, the hydraulic cylinder 18 supporting the beam 16 is returned, and the beam 16 is suspended by the respective deck cranes 9 and stored in the upper deck 5. With the two deck cranes 9, 9, the cargo of the long object 10 of the cargo trough 2 is unloaded to a predetermined place.
[0024]
【The invention's effect】
Since this invention is comprised as mentioned above, there exists an effect described below. In the present invention, the cargo dredge has a box type shape, has a length of 0.6 L of the hull, has a length of 0.6 B of the hull, and is submerged by having a dredging tank in each dredger. The probability is reduced, and the center of gravity position of the cargo dredge is aligned with the floating position of the hull in the front and rear void spaces, so that trim heel does not occur or is minimized when the cargo dredge is flooded. The purpose of the present invention is to provide a ship having a cargo cage which is intended to be transported in a large quantity and speedily in a good state of the cargo cage with a long rail having a rail length of 75 m.
[Brief description of the drawings]
FIG. 1 is a schematic plan view of a hull of the present invention.
FIG. 2 schematically shows a hull of the present invention in a central transverse sectional view.
FIG. 3 is a schematic cross-sectional view of the hull of the present invention, exaggerating the deflection of the shore tank.
FIG. 4 is a schematic cross-sectional view of the hull of the present invention, schematically illustrating correction of heel deformation by a beam.
FIG. 5 is a schematic plan view of a conventional hull.
FIG. 6 schematically shows a conventional hull in a central transverse sectional view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hull 2 Cargo dredging 3 Dredge side tank 4 Void space 5 Upper deck 6 Mechanical hatch cover 7 Hatch combing 8 Top plate 9 Deck crane 10 Long thing 11 Water line 12 Ship side hydraulic pressure 13 Outer plate 14 Packing 15 Tightening bar 16 Beam 17 Recess 18 Hydraulic cylinder 19 rod

Claims (2)

船体に0.6L(Lは垂線間長さ)の長さの貨物艙を設け、該貨物艙の縦方向の重心位置と船体の浮心を合わせ、かつ、船体の0.6B(Bは船幅)の幅を有するボックスタイプの形状とし、貨物艙の前後には、ボイドスペースが適当な長さで設けられ、該貨物艙の舷側には、各舷6個以上の舷側タンクが設け、ハッチコーミングに必要数の梁が設けられ、上甲板の片舷に2基のデッキクレーンを備えることを特徴とする長尺物輸送貨物船。A cargo rod with a length of 0.6L (L is the length between the vertical lines) is provided on the hull, the vertical center of gravity of the cargo rod is aligned with the floating center of the hull , and 0.6B of the hull (B is the width of the hull ) width and box-type shape have a of the front and rear cargo艙, void space is provided in a suitable length, the broadside of the cargo艙, provided each side of the ship 6 or more broadside tank hatch A long cargo transporter equipped with two beams of deck cranes on one side of the upper deck, provided with the required number of beams for combing . 貨物艙の幅方向の上甲板のハッチコーミングに梁が設けられ、該梁の片方端は片舷のハッチコーミングにレセスが設けられ、該梁の片方端がレセスに挿入され、他方端は他方舷のハッチコーミングに設けられた油圧シリンダーのロッドに架設され、貨物艙の縦方向全通に渡り、両舷のタイトニングバーの船体横方向の間隔が変わらないように保持する必要数の梁を舷側タンクの前後の隔壁近傍に設けられる請求項1記載の長尺物輸送貨物船。 A beam is provided in the hatch combing of the upper deck in the width direction of the cargo cage, one end of the beam is provided with a recess in one side of the hatch combing, one end of the beam is inserted into the recess, and the other end is inserted in the other side. The necessary number of beams, which are installed on the rods of the hydraulic cylinders provided in the hatch combing, are held on the shore side so that the horizontal spacing of the hulls of the tight bars on both sides is kept unchanged The long cargo transport cargo ship according to claim 1, which is provided in the vicinity of a partition wall before and after the tank.
JP2002282237A 2002-09-27 2002-09-27 Long cargo carrier Expired - Fee Related JP3637044B2 (en)

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Publication number Priority date Publication date Assignee Title
JP5075421B2 (en) * 2006-06-23 2012-11-21 株式会社アイ・エイチ・アイ マリンユナイテッド Welded structure
KR101772807B1 (en) 2016-03-18 2017-09-12 현대중공업 주식회사 Vessel Cargo with Void Space
CN109110050A (en) * 2018-09-12 2019-01-01 宜昌东江造船有限公司 Semi-submersible type loads and unloads ship

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