JP2587368B2 - Wave absorber - Google Patents

Wave absorber

Info

Publication number
JP2587368B2
JP2587368B2 JP5144984A JP14498493A JP2587368B2 JP 2587368 B2 JP2587368 B2 JP 2587368B2 JP 5144984 A JP5144984 A JP 5144984A JP 14498493 A JP14498493 A JP 14498493A JP 2587368 B2 JP2587368 B2 JP 2587368B2
Authority
JP
Japan
Prior art keywords
wave
sea
plate
base
jack
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 - Lifetime
Application number
JP5144984A
Other languages
Japanese (ja)
Other versions
JPH073742A (en
Inventor
薫 青柳
健治 柳屋
啓司 東尾
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.)
Kajima Corp
Original Assignee
Kajima 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 Kajima Corp filed Critical Kajima Corp
Priority to JP5144984A priority Critical patent/JP2587368B2/en
Publication of JPH073742A publication Critical patent/JPH073742A/en
Application granted granted Critical
Publication of JP2587368B2 publication Critical patent/JP2587368B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters

Landscapes

  • Revetment (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、港湾また海洋において
波浪を低減するために設置する消波装置に関するもので
ある。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wave absorber installed in a port or ocean to reduce waves.

【0002】[0002]

【従来の技術】従来、消波のための装置としては、消波
ブロックを並べたり、消波板や消波用浮体などの消波の
ための構造体を杭等で固定して設けたり、または、浮体
の場合はチェーン等で係留固定している。
2. Description of the Related Art Conventionally, as a device for wave elimination, a wave elimination block is arranged, and a wave elimination structure such as a wave elimination plate or a wave elimination floating body is fixedly provided by a pile or the like, Alternatively, in the case of a floating body, it is moored and fixed with a chain or the like.

【0003】[0003]

【発明が解決しようとする課題】これら従来の消波装置
は、いずれも波の生じる水面位置に固定的に設置される
ものであり、船舶の航行の邪魔になるものであった。ま
た、構造物として固定したものであるので、波の大きさ
に応じた消波作用の変更もできないものであった。
All of these conventional wave absorbers are fixedly installed at the surface of the water where the waves occur, and hinder the navigation of the ship. Further, since the structure is fixed, the wave-breaking action cannot be changed according to the size of the wave.

【0004】本発明の目的は前記従来例の不都合を解消
し、波の静かな時は全体が海中に没してその上を船舶が
航行できるようにし、また、波浪のあるときは波浪の大
きさに応じて適宜の勾配で水面にバリケードとなり、消
波作用を発揮できるようにし、そのための構造も簡単な
消波装置を提供することにある。
[0004] An object of the present invention is to solve the above-mentioned disadvantages of the prior art, so that when the waves are quiet, the whole is submerged in the sea so that the ship can navigate thereover. It is an object of the present invention to provide a wave-dissipating device that becomes a barricade on the water surface at an appropriate gradient according to the degree of the wave-dissipating effect and that has a simple structure.

【0005】[0005]

【課題を解決するための手段】本発明は前記目的を達成
するため、海中に土台を設置し、この土台に消波板を、
傾斜時に一端が海上に出現するように他端を回動自在に
設け、消波板にその浮力を変更させる注排水室を設け、
消波板の他端をチェーンで土台に係留したこと、あるい
は消波板にこれを回動させるためのジャッキを設けたこ
とを要旨とするものである。
According to the present invention, in order to achieve the above object, a base is installed in the sea, and a wave breaker is provided on the base.
The other end is provided rotatably so that one end appears on the sea at the time of incline, and a water injection and drainage chamber for changing the buoyancy of the wave canceler is provided,
The gist is that the other end of the wave canceling plate is moored to the base with a chain, or that the jack is provided on the wave canceling plate.

【0006】[0006]

【作用】請求項1記載の本発明によれば、波の静かな時
は注排水室内の水量を増加して浮力を小さくし、消波板
を水中に没入させる。よって、この状態ではその上を船
舶が自由に航行できる。
According to the first aspect of the present invention, when the waves are quiet, the amount of water in the pouring / draining chamber is increased to reduce the buoyancy, and the wave-dissipating plate is immersed in the water. Therefore, in this state, the ship can freely sail thereover.

【0007】波浪のある場合は、注排水室内の水量を減
少して消波板の浮力を大きくすれば、土台への取付部を
支点として消波板が回動し、他端が海上に出現する。よ
って水面でのバリケードとなり消波作用を発揮する。こ
の場合、チェーンによりそれ以上の回動による上昇が阻
止されるとともに、チェーンの長さを調節することで海
上への突出長さを設定できる。
In the case of a wave, if the amount of water in the pouring / draining chamber is reduced to increase the buoyancy of the wave-absorbing plate, the wave-absorbing plate rotates around the mounting portion on the base and the other end appears on the sea. I do. Therefore, it becomes a barricade on the water surface and exhibits a wave breaking effect. In this case, the chain prevents the rise due to the further rotation, and the length of the projecting to the sea can be set by adjusting the length of the chain.

【0008】請求項2記載の本発明によれば、波の静か
な時はジャッキを収縮して消波板を海中に没入させる。
よって、この状態ではその上を船舶が自由に航行でき
る。
According to the second aspect of the present invention, when the waves are quiet, the jack is contracted to immerse the wave-dissipating plate in the sea.
Therefore, in this state, the ship can freely sail thereover.

【0009】波浪のある場合は、ジャッキを伸長すれ
ば、土台への取付部を支点として消波板が回動し、他端
が海上に出現する。よって水面でのバリケードとなり消
波作用を発揮する。この場合、ジャッキの伸長長さを調
節することで消波板の海上への突出長さを設定できる。
In the case of a wave, if the jack is extended, the wave-dissipating plate rotates with the mounting portion to the base as a fulcrum, and the other end appears on the sea. Therefore, it becomes a barricade on the water surface and exhibits a wave breaking effect. In this case, by adjusting the extension length of the jack, it is possible to set the length of the wave-absorbing plate projecting to the sea.

【0010】[0010]

【実施例】以下、図面について本発明の実施例を詳細に
説明する。図1は本発明の消波装置の第1実施例を示す
正面図で、捨石マウンド2およびコンクリートの土台3
からなる基礎1を海底に設け、この基礎1上の一方の端
に支柱4を植設し、該支柱4に消波板5の一端を回動自
在に軸支する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view showing a first embodiment of a wave absorber according to the present invention, wherein a rubble mound 2 and a concrete base 3 are shown.
Is provided on the seabed, and a column 4 is planted at one end on the foundation 1, and one end of a wave canceling plate 5 is rotatably supported on the column 4.

【0011】この消波板5は、軸支部分以外の部分をあ
る程度の厚さの中空体に形成し、この中空体の部分の内
部を複数の室に分割した注排水室6を形成した。そし
て、消波板5の軸支部とは反対側の端部の下部にチェー
ン7の一端を取付け、他端をコンクリートの土台3に固
定した。
The wave-absorbing plate 5 has a portion other than the shaft support portion formed in a hollow body having a certain thickness, and an interior of the hollow body portion is divided into a plurality of chambers to form a pouring / drainage chamber 6. Then, one end of the chain 7 was attached to the lower part of the end of the wave canceling plate 5 opposite to the shaft support, and the other end was fixed to the concrete base 3.

【0012】なお、図示は省略するが、前記注排水室6
は該室内に注水またはここから排水するポンプに接続す
る。
Although not shown, the pouring and drainage chamber 6
Is connected to a pump that fills or drains the chamber.

【0013】次に動作について説明すると、波の静かな
時は、ポンプを駆動して注排水室6内に注水し、該室6
内の水量を増加して消波板5の重量を増加し全体の浮力
を小さくする。
Next, the operation will be described. When the wave is quiet, the pump is driven to pour water into the pouring / draining chamber 6, and the chamber 6
By increasing the amount of water inside, the weight of the wave canceller 5 is increased and the overall buoyancy is reduced.

【0014】その結果、消波板5は一端の軸支部を支点
として他端が下方に回動し、全体が海中に没する。よっ
て、この状態では海面は消波板5の上方に位置し、消波
板5の上方を船舶が自由に航行できる。
As a result, the other end of the wave canceling plate 5 is pivoted downward with the pivot at one end as a fulcrum, and the whole is submerged in the sea. Therefore, in this state, the sea surface is located above the wave-absorbing plate 5, and the ship can freely travel above the wave-absorbing plate 5.

【0015】波浪が生じたときは、再びポンプを駆動し
て注排水室6内の水を排出し、該室6内の水量を減少し
て消波板6の重量を減少し全体の浮力を大きくする。そ
の結果、消波板5は一端の軸支部を支点として他端が上
方に回動し、上昇した側の消波板5の端が海上に突出
し、波が生じる位置に障害物として存在し、波の進行を
阻害し、波を砕波して消波作用をなす。
When a wave is generated, the pump is driven again to discharge the water in the pouring / draining chamber 6, the amount of water in the chamber 6 is reduced, the weight of the wave breaking plate 6 is reduced, and the overall buoyancy is reduced. Enlarge. As a result, the wave-dissipating plate 5 has the other end pivoting around the pivot at one end as a fulcrum, the end of the wave-dissipating plate 5 on the ascending side protrudes to the sea, and exists as an obstacle at a position where waves are generated, Inhibits the progress of waves and breaks the waves to have a wave-dissipating effect.

【0016】この場合、消波板5の端部はチェーン7で
海底のコンクリートの土台3に係留してあるから、海上
への突出高さを所定のものに保持でき、また、チェーン
7の長さを適宜決定することで、海上への突出高さを自
由に設定できる。
In this case, since the end of the wave breaking plate 5 is moored by the chain 7 to the concrete base 3 on the seabed, the projecting height to the sea can be maintained at a predetermined level. By appropriately determining the height, the projecting height to the sea can be freely set.

【0017】前記第1実施例は消波板7を傾斜させるた
めの手段として注排水室6を設け、浮力の変化を利用し
たが、図2に示す第2実施例では、コンクリートの土台
3に昇降装置としてのジャッキ8を配設し、該ジャッキ
8の昇降アーム8aをの先端を消波板5の下部に固定し
た。
In the first embodiment, a pouring / drainage chamber 6 is provided as a means for inclining the wave-absorbing plate 7, and a change in buoyancy is used. In the second embodiment shown in FIG. A jack 8 as a lifting device was provided, and the tip of a lifting arm 8 a of the jack 8 was fixed to a lower portion of the wave canceller 5.

【0018】この場合、昇降アーム8aは消波板6の回
動しながらの昇降を妨げないよう円弧状に彎曲する形状
のものとし、ジャッキ8の設置位置も昇降のストローク
が小さくてすむよう支柱4への軸支部の近くとする。
In this case, the lifting arm 8a is curved in an arc shape so as not to hinder the lifting and lowering of the wave canceling plate 6 while rotating. The support position of the jack 8 is such that the lifting stroke is small. 4 near the pivot.

【0019】そして、波の静かな時はジャッキ8を収縮
してアーム8aを縮め、消波板5の全体を海中に位置さ
せ、波浪が生じたときは、アーム8aを伸長すれば、消
波板5の一端が支柱4との軸支部を支点として回動し、
他端が上昇して海上に突出する。海上への突出長さはア
ーム8aの伸長ストロークを決定することで自由に調整
できる。
When the wave is calm, the jack 8 is contracted to contract the arm 8a, and the entire wave canceling plate 5 is positioned under the sea. When a wave is generated, the arm 8a is extended to break the wave. One end of the plate 5 rotates about a pivot with the column 4 as a fulcrum,
The other end rises and projects above the sea. The length of the protrusion to the sea can be freely adjusted by determining the extension stroke of the arm 8a.

【0020】[0020]

【発明の効果】以上述べたように本発明の消波装置は、
通常の波の静かなときは消波板の全体が海中に没してい
るので、その上を船舶が自由に航行できるようになり、
海上の広々として景観を保つことができ、海水の流れを
遮断しないので環境の変化を最小限とすることができ
る。また、その為の装置も簡単なもので足り、容易に設
置できるものである。
As described above, the wave canceling device of the present invention has the following features.
When the normal wave is quiet, the whole wave-breaking plate is submerged in the sea, so that the ship can freely sail on it,
A spacious landscape over the sea can be maintained, and changes in the environment can be minimized because the flow of seawater is not interrupted. In addition, a simple device is sufficient and can be easily installed.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の消波板装置の第1実施例を示す側面図
である。
FIG. 1 is a side view showing a first embodiment of the wave canceller device of the present invention.

【図2】本発明の消波板装置の第2実施例を示す側面図
である。
FIG. 2 is a side view showing a second embodiment of the wave canceller device of the present invention.

【符号の説明】[Explanation of symbols]

1…基礎 2…捨石マウンド 3…土台 4…支柱 5…消波板 6…注排水室 7…チェーン 8…ジャッキ 8a…アーム DESCRIPTION OF SYMBOLS 1 ... Foundation 2 ... Ripstone mound 3 ... Base 4 ... Strut 5 ... Wave breaker plate 6 ... Drainage room 7 ... Chain 8 ... Jack 8a ... Arm

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−87006(JP,A) 特開 平2−204515(JP,A) 特開 平4−7404(JP,A) 実開 昭52−114533(JP,U) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-87006 (JP, A) JP-A-2-204515 (JP, A) JP-A-4-7404 (JP, A) 114533 (JP, U)

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 海中に土台を設置し、この土台に消波板
を、傾斜時に一端が海上に出現するように他端を回動自
在に設け、消波板にその浮力を変更させる注排水室を設
け、消波板の他端をチェーンで土台に係留したことを特
徴とする消波装置。
1. A base installed in the sea, a wave-absorbing plate is provided on the base, and the other end is rotatably provided so that one end appears on the sea when inclined, and the wave-breaking plate changes its buoyancy. A wave absorber, wherein a chamber is provided, and the other end of the wave absorber is moored to a base with a chain.
【請求項2】 海中に土台を設置し、この土台に消波板
を、傾斜時に一端が海上に出現するように他端を回動自
在に設け、消波板にこれを回動させるためのジャッキを
設けたことを特徴とする消波装置。
2. A base is installed in the sea, and a wave-absorbing plate is provided on the base so that one end is rotatable so that one end appears on the sea when tilted. A wave absorber having a jack.
JP5144984A 1993-06-16 1993-06-16 Wave absorber Expired - Lifetime JP2587368B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5144984A JP2587368B2 (en) 1993-06-16 1993-06-16 Wave absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5144984A JP2587368B2 (en) 1993-06-16 1993-06-16 Wave absorber

Publications (2)

Publication Number Publication Date
JPH073742A JPH073742A (en) 1995-01-06
JP2587368B2 true JP2587368B2 (en) 1997-03-05

Family

ID=15374779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5144984A Expired - Lifetime JP2587368B2 (en) 1993-06-16 1993-06-16 Wave absorber

Country Status (1)

Country Link
JP (1) JP2587368B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111189613A (en) * 2020-01-08 2020-05-22 哈尔滨工程大学 Wave absorbing device of ship model towing tank and tank with same

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JP2007211459A (en) * 2006-02-08 2007-08-23 Hitachi Zosen Corp Derricking gate
KR101286627B1 (en) * 2009-12-24 2013-07-22 한국해양과학기술원 Flap assembly for wave controll and flap-type wave control system
JP5665820B2 (en) * 2012-09-18 2015-02-04 銀二郎 恩田 Floating sand beach cultivation device
JP5869059B2 (en) * 2014-04-18 2016-02-24 幸 常田 Seawall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111189613A (en) * 2020-01-08 2020-05-22 哈尔滨工程大学 Wave absorbing device of ship model towing tank and tank with same

Also Published As

Publication number Publication date
JPH073742A (en) 1995-01-06

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