JPS59179493A - Icebreaker - Google Patents

Icebreaker

Info

Publication number
JPS59179493A
JPS59179493A JP5627383A JP5627383A JPS59179493A JP S59179493 A JPS59179493 A JP S59179493A JP 5627383 A JP5627383 A JP 5627383A JP 5627383 A JP5627383 A JP 5627383A JP S59179493 A JPS59179493 A JP S59179493A
Authority
JP
Japan
Prior art keywords
ballast
icebreaker
bow
ice
course
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.)
Pending
Application number
JP5627383A
Other languages
Japanese (ja)
Inventor
Tadao Takai
高井 忠夫
Masami Hikino
引野 正巳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP5627383A priority Critical patent/JPS59179493A/en
Publication of JPS59179493A publication Critical patent/JPS59179493A/en
Pending legal-status Critical Current

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  • Ship Loading And Unloading (AREA)

Abstract

PURPOSE:To provide an icebreaker which is ice-breakable on both sides and can freely direct its course, by a method wherein projections are formed on a part above the waterline on the outer surfaces of both side of a bow part, and a ballast moving device is located between a right and a left ballast tank in a ship hull. CONSTITUTION:Projectins 1 are respectively formed on a part above the waterline on the outer surfaces of both sides of a bow part, right and left ballast tanks 2, positioned independently from each other, are installed in a ship hull and a ballast moving device 4 for moving ballast water is mounted between the right and left ballast tanks 2. Through free movement of ballast water to the right and left sides, an icebreaking work is effected with the aid of the projections 1. This permits an icebreaker to freely set its course.

Description

【発明の詳細な説明】 この発明−は、砕氷船に関する。[Detailed description of the invention] This invention relates to an icebreaker.

砕氷船として、船体の前後にバラストタンク(トリミン
グタンク)を備え、これらのタンクにバラスト水を出し
入れして船体を繰返し前後に傾斜させることにより氷を
砕きながら前進するものか知られている。第1図はこの
ようfj従来の砕氷船の船首部側面図であり、第2図は
その船も部の正面線図である。従来の砕氷船が厚い水海
を航行中に針路を変える場合、通常の船舶が備えている
舵板による操舵は困難であり、厚い水海での変針は船首
部先端の砕氷状態によって左右される。たとえば、船首
部側面図の氷が弱い場合には、右玄側における砕氷量が
多くなり、船は氷の弱い右玄側に変針していくと考えら
れ、任意の方向に変針することは困難である。
It is known that icebreakers are equipped with ballast tanks (trimming tanks) at the front and rear of the hull, and move forward while breaking ice by pouring ballast water into and out of these tanks and repeatedly tilting the hull back and forth. FIG. 1 is a side view of the bow of such a conventional FJ icebreaker, and FIG. 2 is a front view of the bow of the ship. When conventional icebreakers change course while navigating through thick water, it is difficult to steer them using the rudder plates that normal ships have, and changing course in thick water depends on the broken ice at the tip of the bow. . For example, if the ice in the side view of the bow is weak, the amount of broken ice on the starboard side will increase, and the ship will veer toward the starboard side where the ice is weaker, making it difficult to change course in any direction. It is.

この発明の目的は、[]的の釧路に自由に変針て′きる
砕氷船を提供することにある。
The purpose of this invention is to provide an icebreaker that can freely change its course to Kushiro.

この発明による砕氷船は、船首部左右両側外面の水線よ
り若干上方の部分にそれぞれ凸部が形成され、船体内に
、互いに独立した左右のバラストタンクと、左右のバラ
ストタンクの間でバラスト水を移動させるバラスト移動
装置とが設けられているものである。
The icebreaker according to this invention has convex portions formed slightly above the water line on the outer surfaces of both the left and right sides of the bow, and inside the hull, ballast water is stored between independent left and right ballast tanks and between the left and right ballast tanks. A ballast moving device is provided to move the ballast.

厚い氷海においてこの砕氷船を古文側に変針する場合、
古文側のバラストタンクにバラスト水を移動して船体を
古文側に傾斜させ、船首部右側外面の凸部によって砕氷
しながら航走する。
When changing the course of this icebreaker to the Kobun side in a thick ice sea,
The ballast water is transferred to the ballast tank on the ancient side, the hull is tilted toward the ancient side, and the ship cruises while breaking ice using the convex part on the right outer surface of the bow.

人文側に変針する場合は、上記と逆に、船体を人文側に
傾斜させて船首部左側の凸部によって砕氷する。
When changing course to the human side, the hull is tilted toward the human side and the ice is broken using the protrusion on the left side of the bow.

この発明によれば、上記のように、船体を古文側に傾斜
させて船首部右側外面の凸部で砕氷することにより古文
側に変針でき、船体を人文側に傾斜させて船首部左側外
面の凸部で砕氷することにより人文側に変針できるから
、砕氷船を目的の金1路に自由に変針することが可能で
ある。また、船首部右側外面の凸部は水線よりZ干上方
の部分に形成されているので、氷のない海域を航行する
場合には、通常の砕氷船とほとんど変らない状態で航走
できる。
According to this invention, as described above, it is possible to change course to the ancient Japanese side by tilting the hull toward the ancient Japanese side and breaking ice with the convex portion on the right outer surface of the bow, and by tilting the hull toward the humanistic side and breaking the ice with the convex portion on the right outer surface of the bow. By breaking the ice at the convex part, it is possible to change course towards the humanities side, so it is possible to freely change the course of the icebreaker to the desired route. In addition, since the convex portion on the right side outer surface of the bow is formed above the water line in the Z direction, when sailing in ice-free waters, the ship can sail in almost the same conditions as a normal icebreaker.

以下第3図〜第5図を参照し、てこの発明の詳細な説明
する。
The invention of the lever will be described in detail below with reference to FIGS. 3 to 5.

第3図は砕氷船の船位部側面図であり、第4図はその船
首部の正面線図である。第3図および第4図に示されて
いるように、砕氷船の船首部左右両側外面の水線(ト)
より若干上方の部分にそれぞれ凸部+11が形成されて
おり、船首部の水線(ト)より下方の形状は通常の砕氷
船に近いものとなっている。
FIG. 3 is a side view of the ship's position of the icebreaker, and FIG. 4 is a front view of its bow. As shown in Figures 3 and 4, the water line (t) on both left and right sides of the bow of the icebreaker
A convex portion +11 is formed at a slightly upper portion, and the shape of the bow portion below the water line (G) is similar to that of a normal icebreaker.

第5図に示されているように、船体中央部の左右に、互
いに独立したバラストタンク(2)が設けられている。
As shown in FIG. 5, mutually independent ballast tanks (2) are provided on the left and right sides of the center of the ship.

左右のバラストタンク(2)は、船側部から二重底部に
至っており、二重底部中心の隔壁(3)によって仕切ら
れている。そして、この隔壁(3)に、左右のバラスト
タンク(2)の間でバラスト水を移動させるバラストポ
ンプ(バラスト移動装置)(4)が設けられている。
The left and right ballast tanks (2) extend from the ship's side to the double bottom, and are separated by a bulkhead (3) at the center of the double bottom. This partition wall (3) is provided with a ballast pump (ballast moving device) (4) that moves ballast water between the left and right ballast tanks (2).

上記の砕氷船が氷のない海域を航行する場合、通常の船
舶と同様に、舵板によって操舵を行flう。この場合、
船首部の凸部(1)は水中に没することがすく、通常の
砕氷船上はとんど変らない状態で航走てきる。また、上
記の砕氷船が厚い氷海を航行する場合、次のように、目
的の針路側に船体を傾斜させることにより、自由に金1
路を変えることができる。すなわち、砕氷船を古文側に
変針する場合、ポンプ(4)で右側のバラストタンク(
2)にバラスト水を移動して船体を古文側に傾斜させ、
右側の凸部(1)によって砕氷しfjがら航走する。人
文111uに変針する場合は、逆に、船体を人文側に傾
斜させて左側の凸部(1)によって砕氷する。f、f7
お、このように砕氷しながら変針するときには、ポンプ
(4)と舵板とを連動させて同時に作動させれば効果的
である。
When the above-mentioned icebreaker navigates in an ice-free sea area, it is steered by a rudder plate like a normal ship. in this case,
The convex part (1) on the bow of the ship is easily submerged in the water, and the ship sails almost unchanged on a normal icebreaker. In addition, when the above-mentioned icebreaker navigates thick ice, it can freely collect gold by tilting the hull toward the desired course as follows.
You can change the path. In other words, when changing the course of the icebreaker to the Kobun side, the pump (4) is used to pump the right ballast tank (
2) Move the ballast water and tilt the ship toward the ancient Japanese side.
The ice is broken by the convex part (1) on the right side and the ship sails while fj. When changing course to Humanities 111u, the ship's hull is tilted toward Humanities side and the ice is broken using the convex portion (1) on the left side. f, f7
When changing course while breaking ice like this, it is effective to operate the pump (4) and the rudder plate simultaneously in conjunction with each other.

」二記実施例では、左右のバラストタンク(2)は&’
h ”4 (31を挾んで隣接して設けられているが、
左右のバラストタンクを離して設置し、これらをバラス
トポンプを備えた管で連結するようにしてもよい。
In the second embodiment, the left and right ballast tanks (2) are &'
h ”4 (located adjacent to 31,
The left and right ballast tanks may be installed separately and connected by a pipe equipped with a ballast pump.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来の砕氷船の船首部側面図、第2図は同船首
部の正面線図、第3図〜第5図はこの発明の実施例を示
し、第3図は船位部側面図、第4図は船首部の正面線図
、第5図は船体中央部の横断面図である。 (1)・・・凸部、+21 @ @ *バラストタンク
、(4)・・・バラストポンプ(バラスト移動装置)。 以  」− 外4名 l          4 3 2
Fig. 1 is a side view of the bow of a conventional icebreaker, Fig. 2 is a front view of the bow, Figs. 3 to 5 show embodiments of the present invention, and Fig. 3 is a side view of the ship's position. FIG. 4 is a front view of the bow, and FIG. 5 is a cross-sectional view of the center of the hull. (1)...Protrusion, +21 @ @ *Ballast tank, (4)...Ballast pump (ballast moving device). - 4 other people 4 3 2

Claims (1)

【特許請求の範囲】[Claims] 船首部左右両側外面の水線より若干上方の部分にそれぞ
れ凸部が形成され、船体内に、互いに独立した左右のバ
ラストタンクと、左右のバラストタンクの間でバラスト
水を移動させるバラスト移動装置とが設けられている砕
氷船。
Convex portions are formed slightly above the water line on the outer surfaces of both the left and right sides of the bow, and inside the hull there are independent left and right ballast tanks, and a ballast transfer device that moves ballast water between the left and right ballast tanks. An icebreaker equipped with
JP5627383A 1983-03-30 1983-03-30 Icebreaker Pending JPS59179493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5627383A JPS59179493A (en) 1983-03-30 1983-03-30 Icebreaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5627383A JPS59179493A (en) 1983-03-30 1983-03-30 Icebreaker

Publications (1)

Publication Number Publication Date
JPS59179493A true JPS59179493A (en) 1984-10-12

Family

ID=13022476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5627383A Pending JPS59179493A (en) 1983-03-30 1983-03-30 Icebreaker

Country Status (1)

Country Link
JP (1) JPS59179493A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010102642A1 (en) 2009-03-10 2010-09-16 Wärtsilä Ship Design Germany GmbH Ice-breaking system for floating bodies
CN103482033A (en) * 2013-09-23 2014-01-01 浙江海洋学院 Novel icebreaker
RU2646042C1 (en) * 2016-12-28 2018-02-28 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Fishing icebreaking vessel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010102642A1 (en) 2009-03-10 2010-09-16 Wärtsilä Ship Design Germany GmbH Ice-breaking system for floating bodies
JP2012519625A (en) * 2009-03-10 2012-08-30 ワルチラ シップ デザイン ジャーマニー ゲーエムベーハー Floating ice breaking system
CN103482033A (en) * 2013-09-23 2014-01-01 浙江海洋学院 Novel icebreaker
CN103482033B (en) * 2013-09-23 2016-05-11 浙江海洋学院 A kind of ice breaker
RU2646042C1 (en) * 2016-12-28 2018-02-28 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Fishing icebreaking vessel

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