JP2004124416A - Mooring device - Google Patents

Mooring device Download PDF

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Publication number
JP2004124416A
JP2004124416A JP2002287152A JP2002287152A JP2004124416A JP 2004124416 A JP2004124416 A JP 2004124416A JP 2002287152 A JP2002287152 A JP 2002287152A JP 2002287152 A JP2002287152 A JP 2002287152A JP 2004124416 A JP2004124416 A JP 2004124416A
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Japan
Prior art keywords
mooring
pile
float
frame
float member
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JP2002287152A
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JP4043333B2 (en
Inventor
Masayuki Hirata
平田 正幸
Hiroshi Ono
大野 博
Hiroshi Kono
河野 博
Hideki Yamashita
山下 英樹
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Molten Corp
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Molten Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a mooring device for suppressing stress applied to a moored ship and a mooring device main body by waves to the minimum extent. <P>SOLUTION: This mooring device is composed of a float member 1 fitted in a mooring pile 9 in play while it floats on water surface and a mooring member 17 which is fitted in the mooring pile in play and is put above the float member while it is separated from the float member and with which a mooring rope for the ship is tied. When the ship tied with the rope rises by riding on waves, a difference in height between the mooring device and the ship occurs, and tensile force in the upward direction is applied to the mooring member, only the mooring member is lifted. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する分野】
本発明は、船舶、浮き棧橋等を所定の水域に停泊或いは設置するための係留杭に遊嵌、浮揚せしめられる係留装置に関する。
【0002】
【従来の技術】
通常、海、河川、湖沼等の水面に船舶を停泊させたり、浮き棧橋を設置する場合、これらは所定水域に打ち込まれた鋼管製又はコンクリート製の係留杭に係留ロープで繋がれることが多い。また船舶、浮き桟橋等を海面に停泊、設置する場合は、潮の干満により水位が上下するためにロープと係留杭との連結部が干満に応じて上下するのが望ましい。このような事情に対処するために、本発明者等は、係留杭に遊嵌した状態で水上に浮揚せしめられる環状のフロートと、このフロート上部に連結された係留環とを有する係留装置を提案した(例えば、特許文献1参照。)。
【0003】
他方、係留杭には、長期間使用するうちに、その表面に貝、藻等の水棲生物が付着、成長し、或いは水面に浮遊する塵芥が付着して、係留杭に遊嵌した係留装置が水位の変化に応じて上下移動しにくくなるという問題が発生する。これに対処するため、本発明者等は、係留杭に遊嵌したフロート体に複数のチェーンを垂下させて、これが係留杭に接触することにより藻、貝等水棲生物の付着を防止する構造を提案した(例えば、特許文献2参照。)。
【0004】
【特許文献1】
特開平11−166220号公報
【特許文献2】
特開2002−180433号公報
【0005】
【発明が解決しようとする課題】
上記公報(特開平11−166220号公報)に開示の係留装置にあっては、係留環とフロートとが一体化されているために次のような問題が起こる。図9は、係留杭9に遊嵌、浮揚した係留装置35に2艘の船舶36、37がロープ38,39にて係留されている場合において、波が殆どない状態を示す。図10は、船舶36、37が引き波等の短波長かつ高い波高の波を受け、一方の船舶36が波に乗って上昇しまた矢印aにて示すごとく係留杭9とは反対側に傾斜したとき、ロープ36には上方への引張力が加わり、係留装置35は強く上方(矢印b)へ引っ張り上げられ、係留装置30は空中へ飛び出す。次いで船舶36が下降しあるいは逆方向に傾斜するとロープ38は緩み、係留装置35は海面に叩きつけられる。
【0006】
通常、係留装置は係留環とフロートとが一体とされているために係留環が引っ張られると、フロートもともに移動しかつこのフロートはかなりの重量を有すること、及びフロート部分の一部が水面下に没しているためにこれが水の粘性に抗して水中から急激に引張上げられることから、ロープさらには船舶本体にきわめて大きな引張力が加わることとなる。このような係留装置が空中に飛び上がるごとく持ち上げられその後海面に叩きつけられる動作が繰り返されると、係留装置あるいはロープは短期間で破損、破断し事故の原因となる。また船舶本体に加わるストレスも無視できないものとなる。
【0007】
本発明は、このような事情を考慮してなされたもので、船舶が上下あるいは傾斜した際にロープに加わる引張力を抑制することができる係留装置を提供するものである。
【0008】
【課題を解決するための手段】
本発明(請求項1)にかかる係留装置は、水面に浮揚した状態で係留杭に遊嵌されるフロート部材と、上記係留杭に遊嵌され上記フロート部材上に該フロート部材と分離された状態で載置された、船舶等の係留ロープが結ばれる係留部材とからなるものである。
【0009】
かかる構成において、波による船舶の上昇により係留装置との間に高低差(船舶が上)が生じ、また船舶の外向きの傾斜が生じてロープに引張力が加わると、係留部材のみがフロート部材から離れて係留杭に沿って持ち上げられる。このときフロート部材はその下部が水中に没したままの状態にあり、ロープから引張力を受けることはない。係留部材は、フロート部材と一体化されていず軽量であり、かつその全体が水面上に位置しているから水の粘性による影響を受けない。それゆえロープの引張力により簡単に上昇し、ロープに加わる負荷は軽くなる。
【0010】
本発明(請求項2)にかかる係留装置は、上記フロート部材の下方に係留杭付着物除去手段が付加されてなるものである。かかる構成において、水位の変化に伴うフロート部材の上下移動及び波、水流等の力を受けて付着物除去手段が作用し、付着物を除去する。これによりフロート部材は潮の干満等水位変化に応じて、滑らかに上下移動する。
【0011】
本発明(請求項3)にかかる係留装置において、上記係留部材は、8角形のフレームと、該フレームの上面に形成された係留環と、上記フレームの内側に形成された摺接部材と、上記フロート部材に接する部位に形成された緩衝部材とからなるものである。かかる構成において、係留環に船舶係留ロープが結ばれる。摺接部材は、係留杭に摺接し係留装置の係留杭に対する上下動を滑らかなものにする。
【0012】
本発明(請求項4)にかかる係留装置において、上記係留部材は、管体よりなる略8角形のフレームと、該フレームに1辺おきに回転可能に取りつけられた、上記フレーム体に対する緩衝機能及び上記係留杭への摺接機能を有する弾性体ローラーとを備えてなるものである。かかる構成において、船舶係留ロープはフレームに結ばれる。弾性体ローラーは、係留杭に接触してその上下動に伴って回転し移動を滑らかなものにする。
【0013】
【発明の実施の形態】
以下、本発明の実施態様を、図面に基づき説明する。
【0014】
図1ないし図4において、1はリング状のフロート部材で2個の半円弧状フロート部分1a,1bよりなり、分割可能な状態で連結されている。フロート部材1は、内部が発泡体例えば発泡ポリエチレン、発泡ポリスチレンにて形成され、表面保護層例えばポリウレタンRIM層にて被覆されている。2a,2bはフロート部分1a,1bの両端に形成された段部で、その厚さはフロート部材1の厚さの2分の1であり、フロート部分1a,1b両端でその位置が上下逆に構成されている。
【0015】
フロート部分1a,1bの各段部2a,2bの中央には、フロート部分1a,1bを結合するためのボルト3を通す孔が穿設されている。段部2a,2bが重ね合わされ孔4の位置を一致させ両孔4を貫通して上記ボルト3が挿通される。孔4の内面には図示しないが円筒形のカラーが挿通固定されており、ボルト3はこのカラー内に挿入される。5はボルト3の下端にネジ止めされたアイナット、6はこのアイナット5に接続されたシャックルである。7はフロート部分の中央に位置するボルトである。このボルト7が位置する部分にも、前述同様ボルトを通す孔及びカラーが設けられている。8は、フロート部材1の上面に取付られた環状の上面保護板で、上記4本のボルト3,7によって、フロート部分1a,1bの結合と同時にフロート部材1の上面部に冠着固定される。
【0016】
9は、このフロート部材1が遊嵌され、これに囲繞されるコンクリート製又は鋼鉄製の係留杭であり、船舶、浮き桟橋等を所定の水域に停泊或いは設置するために水底に植立される。フロート部材1の内径は係留杭9の径より大きく設定されている。
【0017】
上記フロート部材1は、係留杭9に遊嵌された状態で水面上に浮遊し水位(W.L)変化にともなって上下移動する。
【0018】
11はフロート部材1の上部内周面にリング状に形成されたナイロン又はポリエチレン等よりなる摺接部材で、フロート部材1が係留杭9の外周を上下移動するとき係留杭9表面との摺動摩擦抵抗を減らすよう作用し、フロート部材1をスムーズに上下移動できるようにする。フロート部材1は、フロート部分1a,1bに分割して係留杭9を挟み、孔4にカラーを、続いてボルト3,7を差し込み、両者が接続される。
【0019】
12は、フロート部材1の下部に複数本、例えば4本等間隔に垂設された第1垂設体で、錆びにくいステンレスチェーンよりなる。これら第1垂設体12は、フロート部分1a,1bを連結する上記ボルト3の下端、およびフロート部分1a,1bの中間に設けられた孔に嵌挿された上記ボルト7の下端に、それぞれアイナット5及びシャックル6を介して接続されている。
【0020】
13は、上記4本の第1垂設体12を下部で係留杭9の周方向に連結する下部連結体で、ステンレスチェーンよりなる。この下部連結体13は係留杭9の表面に弱く接する程度の径を持ち、4本の第1垂設体12を下部が窄まり係留杭9の中心に引き寄せられように連結している。第1垂設体12はその中段位をもう一つ別の下部連結体14で、係留杭9の周方向に連結されているとともに、この下部連結体14からは、第1垂設体12の中間に位置するよう垂れ下がる第2垂設体15が設けられている。これら第1垂設体12、第2垂設体15および上下2個の下部連結体13,14は、係留杭付着物除去手段16となるもので、フロート部材1の上下移動に伴い係留杭9の表面に接しながら追従移動して、杭9表面に藻、貝等が付着するのを防止し、また付着した藻、貝等を擦り取る。なお、第2垂設体15は自重により垂れ下がっているため、その下端は自由に動き、係留杭9とは弱い力で接触しており杭9表面から容易に離れる。これにより、チェーンが杭9に付着している貝などに食い込み引っかかって上下移動がしにくくなることはない。
【0021】
17は、フロート部材1上に該フロート部材1とは分離された状態で載置された係留部材で、八角形に構成されている。係留部材17は、八角形のフレーム18を有し、その各1辺は直角に折曲形成した断面L字型の金属部材、例えばステンレス部材よりなる。これらフレーム辺を3辺と両端に1/2辺ずつ配して互いを溶接で連結して2個の半分割フレームを形成し、その2個の半分割フレームを合体し、2個の各半分割フレームの両端部位置、すなわち合体箇所にそれぞれ形成されているL型の連結アングル19,19(図3参照)同士をボルト21,ナット22で締着固定することにより、八角形の係留部材17を形成することができる。
【0022】
23は、フレーム18の上面に斜め上方に向かって形成された一対の略半円形の形状をした係留環で、船舶等の係留用ロープが繋がれるものである。この係留環23は、フレーム18の係留杭9に相対する位置に一対形成されている。
【0023】
24は、係留部材17のフレーム18の内側に一辺おきに形成された4個の直方体形状のナイロン又はポリエチレン等よりなる摺接部材で、係留部材17が係留杭9の外周を上下移動するとき係留杭9表面との摺動摩擦抵抗を減らすよう作用し、係留部材17をスムーズに上下移動できるようにする。
【0024】
25は、係留部材17のフレーム18の外側に一辺おきに設けられた略円筒形状の緩衝部材で、軟質塩化ビニルなどの合成樹脂材より形成され、係留部材17が載置されるフロート部材1と接触し緩衝機能を果たすものである。該摺動部材25は筒状摺動部26aと装着用挟持片26bとが一体形成された構成のもので、その装着用挟持片26bがフレーム18の水平片部に外側から嵌着されて、筒状摺動部26aがフロート部材1の上に接する。
【0025】
このように係留部材17のフロート部材1と接する部位に緩衝部材25を均等に配置する(実施例では周囲4箇所に均等配設)ことにより、波動に伴い船が揺動しフロート部材1と係留部材17とが上下移動し互いに衝突しても、その衝撃は緩和され、両部材1,17の損傷、破損が防止される。
【0026】
かかる構成の係留装置について、その動作を説明する。フロート部材1、係留部材17の順で係留杭9に遊嵌すると、係留部材17は緩衝部材25を介してフロート部材1のに上に載り、重なって浮遊する。波がない穏やかな水面では、係留部材17が係留ロープで大きく上に引っ張られることもなく、2つの部材1,17は上下に重なった状態で一様な上下移動をし、互いの強い衝突もなく、船は安定に係留される。
【0027】
これに対し、大きな波浪があり船が上下にあるいは傾く場合には、図10に示すように一方の傾いた船36によりロープ38が引っ張られその引っ張り力により係留部材17が杭9に沿い持ち上げられる。この時、フロート部材1はロープ38からの引っ張りを受けないので、そのまま水面に残り浮いている。
【0028】
この場合、ロープ38はフロート部材1と分離した軽量の係留部材17のみを引き揚げるだけであり、また水の抵抗を受けない水面から係留部材17を引き揚げることになるので、ロープ38に大きな負荷がかからず、短期間でロープ38が損傷、破損したりすることはなくなる。またロープ38にかかる負荷が小さいため、船舶本体へのストレスも軽減する。
【0029】
上記係留部材17が杭9を大きな高低差で上下し、フロート部材1と当り合うことがあっても、緩衝部材25がフロート部材1に対するクッション作用を果たし、その衝撃を緩和して両部材1,17の損傷を防止する。また、係留部材17の内側に設けた摺接部材24、フロート部材1の内側に設けた摺接部材11により、両部材1,17は係留杭9を滑らかに上下移動すると共に、係留杭9との衝突も緩衝され保護される。
【0030】
また上記係留部材17下のフロート部材1は、杭9を上下移動するとき、その付着物除去手段16により、杭9に付着してる藻や貝等が除去されると共に、それらの杭への付着が防止される。
【0031】
図5ないし図8は本発明の係留部材17Bの他の実施形態を示し、27は管体よりなる略8角形のフレームで、4辺のフレーム部材28から構成される。フレーム部材28は、ステンレス材等より形成されると共に、両側に120度の角度で曲げて形成された所定長の曲げ部28aを有する。29は8角形のフレーム27の1辺おきに設けられた発泡EVA、PVC等の樹脂又はEPゴム、CRゴム等よりなる弾性体ローラーで、その中央部には孔30が軸芯方向に貫通形成されている。これら弾性体ローラー29は、それぞれ4辺のフレーム部材28にその孔30にて挿通され、フレーム部材28のストレート部分28bに位置させられて、回転自在に装着される。
【0032】
31は、8角形に組んだ4辺のフレーム部材28の隣接する曲げ部28a同士を連結する連結管である。上記弾性体ローラー29をそれぞれ装着した4辺のフレーム部材28は、図8に示すようにその曲げ部28aがこの連結管31内に挿入され、複数個の、例えば4個のボルト・ナット32,33で連結固定される。こうして4個の連結管31を介して4辺のフレーム部材28が結合されることにより、8角形のフレーム27が構成される。
【0033】
この構成では、係留杭9に遊嵌された係留部材17Bは、フロート部材1に対して弾性体ローラー29を介してその上に載置される。したがって、波浪により係留部材17Bが杭9上を大きく上下移動しフロート部材1と強く当るとき、弾性体ローラー29は回転し、フロート部材1の上面保護板8上をスライドするので、緩衝機能が働いて、両部材17B、1の当たり合いによる衝撃は吸収され損傷が防止される。また、係留部材17Bが杭9に沿い上下移動するとき、弾性体ローラー29が杭9に接触して回転するため、摺動抵抗が減り係留部材17Bは滑らかに上下移動する。このように係留部材17Bに設けた複数個の弾性体ローラー29は、フロート部材1に対する緩衝機能と、杭9に対する摺接機能を有している。
【0034】
【発明の効果】
本発明(請求項1)によれば、係留ロープが結ばれる係留環を有した係留部材は、係留杭にフロート部材と分離してその上に載置するように遊嵌された係留装置なので、波浪により船が上下移動或いは横揺れにより傾き係留ロープが引っ張られたとき、係留装置だけが上昇し、フロート部材を引き揚げることはないので、ロープに大きな負荷がかからず、ロープが短期間で破損、破断したりすることはなく、係留ロープを介してかかる係留装置および船体へのストレスも軽減し、船舶を長く安全に係留することができる。
【0035】
また本発明(請求項2)によれば、係留部材に係留杭付着物除去手段が設けられているので、係留部材が係留杭に沿い上下移動するときに、自然に杭に付着している藻や貝どが除去されたりそれらの付着が防止されるため、フロート部材のスムーズな上下移動が維持される。
【0036】
また本発明(請求項3)によれば、係留部材を八角形のフレームで形成し、このフレームのフロート部材と接する部位に緩衝部材を設けているので、波浪により杭を上下移動するフロート部材と係留部材との当たり合いがあっても、その衝撃は緩和され、破損等が防止される。また係留部材の内側には、係留杭との摩擦抵抗を減じさせる摺接部材を設けたので、波浪等が大きいときに係留部材の係留環に結びつけた係留ロープにより勢いよく係留部材が引っ張れられ上下移動しても、係留部材のその動きに支障はなく杭に沿い軽く移動することができる。このため、係留ロープにかかる負荷は軽減し、波浪により係留装置、船体に加わるストレスは抑制され、船舶の安定係留がなされる。
【0037】
さらに本発明(請求項4)によれば、係留部材の八角形のフレームの一辺おきに弾性体ローラーを設け、該弾性体ローラーはフロート部材および杭の双方に回転し接触する構成としたので、この弾性体ローラー一つでもって、フロート部材に対する緩衝機能と係留杭との摺接機能を同時に果すことができ、係留部材、フロート部材相互の衝突による損傷防止と、係留部材の杭に対する滑らかな移動を、簡単な構成で確実に達成することができる。
【図面の簡単な説明】
【図1】本発明の実施形態に係る係留装置を示す正面図である。
【図2】本発明の実施形態に係る係留装置を示す平面図である。
【図3】係留部材の上記図2におけるA−A断面図である。
【図4】ロート部材の上記図2におけるA−A断面図である。
【図5】他の実施形態に係る係留装置を示す正面図である。
【図6】他の実施形態に係る係留装置の係留部材を示す正面図である。
【図7】係留部材に設けられる弾性体ローラーの斜視図である。
【図8】係留装置の八角形のフレームの連結構造を示す斜視図である。
【図9】通常(波浪が無い)の係船時の様相を示す図である。
【図10】波浪がある場合の係船時の様相を示す図である。
【符号の説明】
1 フロート部材
9 係留杭
11 摺接部材
16 付着物除去手段
17,17B 係留部材
18 フレーム
23 係留環
24 摺接部材
25 緩衝部材
29 弾性体ローラー
[0001]
[Field of the Invention]
TECHNICAL FIELD The present invention relates to a mooring device that can be loosely fitted and floated on a mooring pile for mooring or installing a ship, a floating bridge, or the like in a predetermined water area.
[0002]
[Prior art]
Usually, when a ship is moored on the surface of the sea, a river, a lake, or a marsh or a floating bridge is installed, these are often connected to a steel pipe or concrete mooring pile driven into a predetermined water area by a mooring rope. When a ship, a floating pier or the like is berthed or installed on the sea surface, it is desirable that the connecting portion between the rope and the mooring pile move up and down according to the ebb and flow because the water level goes up and down due to the ebb and flow of the tide. In order to cope with such a situation, the present inventors have proposed a mooring device having an annular float that floats on water while being loosely fitted to a mooring pile, and a mooring ring connected to an upper part of the float. (For example, see Patent Document 1).
[0003]
On the other hand, the mooring pile has a mooring device that is loosely fitted to the mooring pile after a long-term use, aquatic organisms such as shellfish and algae adhere to and grow on the surface, or dust attached to the water surface adheres. There is a problem that it is difficult to move up and down in accordance with a change in water level. In order to cope with this, the present inventors have proposed a structure in which a plurality of chains are suspended on a float body loosely fitted to a mooring pile, and this is in contact with the mooring pile, thereby preventing the attachment of aquatic organisms such as algae and shellfish. It was proposed (for example, refer to Patent Document 2).
[0004]
[Patent Document 1]
JP-A-11-166220 [Patent Document 2]
JP-A-2002-180433
[Problems to be solved by the invention]
In the mooring device disclosed in the above publication (Japanese Unexamined Patent Application Publication No. 11-166220), the following problem occurs because the mooring ring and the float are integrated. FIG. 9 shows a state in which there are almost no waves when two ships 36 and 37 are moored by ropes 38 and 39 in a mooring device 35 which is loosely fitted and floated on the mooring pile 9. FIG. 10 shows that the ships 36 and 37 receive short-wave and high-waves such as towing waves, and one of the ships 36 rises on the waves and inclines to the opposite side of the mooring pile 9 as shown by the arrow a. Then, the rope 36 is subjected to an upward tensile force, the mooring device 35 is strongly pulled upward (arrow b), and the mooring device 30 jumps out into the air. Then, when the ship 36 descends or inclines in the opposite direction, the rope 38 is loosened, and the mooring device 35 is hit against the sea surface.
[0006]
Usually, when the mooring ring is pulled because the mooring ring and the float are integrated, the float moves with it and this float has a considerable weight, and a part of the float part is underwater. Since it is submerged in water, it is rapidly pulled up from the water against the viscosity of the water, so that a very large pulling force is applied to the rope and the boat body. If such a mooring device is repeatedly lifted up into the air and repeatedly hit against the sea surface, the mooring device or the rope is damaged or broken in a short period of time, causing an accident. In addition, the stress applied to the ship body cannot be ignored.
[0007]
The present invention has been made in view of such circumstances, and provides a mooring device capable of suppressing a pulling force applied to a rope when a ship moves up and down or tilts.
[0008]
[Means for Solving the Problems]
A mooring device according to the present invention (Claim 1) has a float member that is loosely fitted to a mooring pile while floating on the water surface, and a float member that is loosely fitted to the mooring pile and is separated from the float member on the float member. And a mooring member to which a mooring rope of a ship or the like is tied.
[0009]
In such a configuration, when the ship rises due to the waves, a height difference (the ship is up) with the mooring device is generated, and when the ship is inclined outward and a tensile force is applied to the rope, only the mooring member is floated. Lifted along mooring piles away from At this time, the float member is in a state where its lower part is immersed in water, and does not receive a tensile force from the rope. The mooring member is not integrated with the float member, is lightweight, and is not affected by the viscosity of water since the whole is located on the water surface. Therefore, it easily rises due to the pulling force of the rope, and the load on the rope is reduced.
[0010]
In the mooring device according to the present invention (claim 2), mooring pile attached matter removing means is added below the float member. In such a configuration, the adhering matter removing means operates by receiving the force of the vertical movement of the float member, a wave, a water flow, or the like accompanying the change in the water level, and removes the adhering matter. As a result, the float member smoothly moves up and down according to a change in the water level such as the ebb and flow of the tide.
[0011]
In the mooring device according to the present invention (claim 3), the mooring member includes an octagonal frame, a mooring ring formed on an upper surface of the frame, a sliding contact member formed inside the frame, and And a cushioning member formed at a portion in contact with the float member. In such a configuration, the ship mooring rope is tied to the mooring ring. The sliding member slides on the mooring pile and makes the vertical movement of the mooring device with respect to the mooring pile smooth.
[0012]
In the mooring device according to the present invention (claim 4), the mooring member has a substantially octagonal frame made of a tubular body, and a buffer function for the frame body rotatably mounted on every other side of the frame. An elastic roller having a sliding contact function with the mooring pile is provided. In such a configuration, the ship mooring rope is tied to the frame. The elastic roller contacts the mooring pile and rotates with the vertical movement of the mooring pile to make the movement smooth.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0014]
In FIG. 1 to FIG. 4, reference numeral 1 denotes a ring-shaped float member composed of two semi-circular float portions 1a and 1b, which are connected in a divisible state. The inside of the float member 1 is formed of a foam, for example, foamed polyethylene or foamed polystyrene, and is covered with a surface protection layer, for example, a polyurethane RIM layer. Reference numerals 2a and 2b denote steps formed at both ends of the float portions 1a and 1b, the thickness of which is half of the thickness of the float member 1, and the position of the float portions 1a and 1b is inverted at both ends. It is configured.
[0015]
At the center of each of the steps 2a, 2b of the float portions 1a, 1b, a hole for passing a bolt 3 for connecting the float portions 1a, 1b is formed. The step portions 2a and 2b are overlapped with each other so that the positions of the holes 4 coincide with each other, and the bolts 3 are inserted through the holes 4. A cylindrical collar (not shown) is inserted through and fixed to the inner surface of the hole 4, and the bolt 3 is inserted into the collar. Reference numeral 5 denotes an eye nut screwed to the lower end of the bolt 3, and reference numeral 6 denotes a shackle connected to the eye nut 5. Reference numeral 7 denotes a bolt located at the center of the float portion. Also in the portion where the bolt 7 is located, a hole and a collar for passing the bolt are provided as in the case described above. Reference numeral 8 denotes an annular upper surface protection plate attached to the upper surface of the float member 1, and is fixed to the upper surface of the float member 1 by the four bolts 3 and 7 simultaneously with the connection of the float portions 1a and 1b. .
[0016]
Numeral 9 is a concrete or steel mooring pile around which the float member 1 is loosely fitted and is surrounded by the mooring pile. The mooring pile 9 is planted on the water bottom to anchor or install a ship, a floating pier or the like in a predetermined water area. . The inner diameter of the float member 1 is set larger than the diameter of the mooring pile 9.
[0017]
The float member 1 floats on the water surface while being loosely fitted to the mooring pile 9 and moves up and down with a change in the water level (W.L).
[0018]
Numeral 11 denotes a sliding member made of nylon, polyethylene or the like formed in a ring shape on the upper inner peripheral surface of the float member 1, and sliding friction with the surface of the mooring pile 9 when the float member 1 moves up and down on the outer periphery of the mooring pile 9. It acts to reduce the resistance so that the float member 1 can be moved up and down smoothly. The float member 1 is divided into float portions 1a and 1b, sandwiching the mooring stake 9, inserting a collar into the hole 4 and then inserting bolts 3 and 7, and both are connected.
[0019]
Numeral 12 denotes a first suspended body which is suspended from the lower part of the float member 1 by a plurality of, for example, four at equal intervals, and is formed of a stainless steel chain which is not easily rusted. These first hanging members 12 are provided at the lower ends of the bolts 3 connecting the float portions 1a and 1b and at the lower ends of the bolts 7 inserted into holes provided between the float portions 1a and 1b. 5 and a shackle 6.
[0020]
Reference numeral 13 denotes a lower connecting body that connects the four first hanging members 12 at a lower portion in a circumferential direction of the mooring pile 9, and is formed of a stainless chain. The lower connecting body 13 has a diameter such that the lower connecting body 13 is weakly in contact with the surface of the mooring pile 9, and connects the four first hanging bodies 12 so that the lower part is narrowed and drawn to the center of the mooring pile 9. The first hanging body 12 is connected at its middle level to another circumferential connecting body 14 with another lower connecting body 14, and from the lower connecting body 14, the first hanging body 12 A second hanging body 15 that hangs down to be located in the middle is provided. The first suspended body 12, the second suspended body 15, and the upper and lower two lower connecting bodies 13 and 14 serve as mooring pile attached matter removing means 16, and the mooring pile 9 is moved with the vertical movement of the float member 1. It moves following while contacting the surface of the pile 9 to prevent algae, shells and the like from adhering to the surface of the pile 9, and scrapes off the algae, shells and the like that have adhered. In addition, since the 2nd hanging body 15 hangs down by its own weight, its lower end moves freely, contacts the mooring pile 9 with a small force, and easily separates from the surface of the pile 9. Thus, the chain does not bite into a shell or the like attached to the pile 9 and is not easily moved up and down.
[0021]
Reference numeral 17 denotes a mooring member mounted on the float member 1 in a state separated from the float member 1, and is configured in an octagon. The mooring member 17 has an octagonal frame 18, each one side of which is formed of a metal member having an L-shaped cross section bent at a right angle, for example, a stainless steel member. These frame sides are arranged at three sides and at both ends by 辺 sides, and are connected to each other by welding to form two half-divided frames. The two half-divided frames are united, and two half-frames are formed. The octagonal mooring member 17 is formed by fastening the L-shaped connection angles 19, 19 (see FIG. 3) formed at the both end positions of the divided frame, that is, the merging portions, with bolts 21 and nuts 22, respectively. Can be formed.
[0022]
Reference numeral 23 denotes a pair of substantially semicircular mooring rings formed diagonally upward on the upper surface of the frame 18 to which mooring ropes of a ship or the like are connected. The mooring ring 23 is formed as a pair at a position facing the mooring pile 9 of the frame 18.
[0023]
Numeral 24 denotes four sliding members made of nylon or polyethylene in the shape of a rectangular parallelepiped formed on every other side inside the frame 18 of the mooring member 17, and when the mooring member 17 moves up and down on the outer periphery of the mooring pile 9, mooring is performed. It acts to reduce the sliding frictional resistance with the surface of the pile 9 so that the mooring member 17 can be smoothly moved up and down.
[0024]
Reference numeral 25 denotes a substantially cylindrical cushioning member provided on the outer side of the frame 18 of the mooring member 17 and formed of a synthetic resin material such as soft vinyl chloride, and the float member 1 on which the mooring member 17 is placed. It comes into contact and performs a buffer function. The sliding member 25 has a configuration in which a cylindrical sliding portion 26a and a mounting holding piece 26b are integrally formed, and the mounting holding piece 26b is fitted to the horizontal piece of the frame 18 from the outside, The cylindrical sliding portion 26a contacts the float member 1.
[0025]
By arranging the buffer members 25 evenly at the portion of the mooring member 17 that is in contact with the float member 1 (evenly arranged at four locations around the mooring member 17), the ship oscillates due to the waves and mooring with the float member 1 Even if the member 17 moves up and down and collides with each other, the impact is reduced, and damage and breakage of both members 1 and 17 are prevented.
[0026]
The operation of the mooring device having such a configuration will be described. When the float member 1 and the mooring member 17 are loosely fitted to the mooring stake 9 in this order, the mooring member 17 is placed on the float member 1 via the buffer member 25 and overlaps and floats. On a calm water surface without waves, the mooring member 17 is not greatly pulled up by the mooring rope, and the two members 1 and 17 move up and down uniformly in a state of being vertically overlapped with each other. No, the ship is moored stably.
[0027]
On the other hand, when there is a large wave and the ship is tilted up or down, as shown in FIG. 10, the rope 38 is pulled by one of the tilted boats 36, and the mooring member 17 is lifted along the pile 9 by the pulling force. . At this time, since the float member 1 is not pulled by the rope 38, the float member 1 remains on the water surface and floats.
[0028]
In this case, the rope 38 only lifts the lightweight mooring member 17 separated from the float member 1 and also pulls up the mooring member 17 from the surface of the water that does not receive water resistance. As a result, the rope 38 will not be damaged or broken in a short period of time. Further, since the load on the rope 38 is small, the stress on the boat body is reduced.
[0029]
Even if the mooring member 17 moves up and down the pile 9 with a large difference in height and hits the float member 1, the cushioning member 25 performs a cushioning action on the float member 1, reduces the impact thereof, and reduces the impact of the two members 1. 17 is prevented from being damaged. Further, the sliding members 24 provided inside the mooring member 17 and the sliding contact member 11 provided inside the float member 1 allow the members 1 and 17 to smoothly move the mooring pile 9 up and down, and to move with the mooring pile 9. Collisions are also buffered and protected.
[0030]
When the float member 1 below the mooring member 17 moves up and down the pile 9, the attached matter removing means 16 removes algae, shells and the like adhering to the pile 9, and attaches them to the pile 9. Is prevented.
[0031]
5 to 8 show another embodiment of the mooring member 17B according to the present invention, in which reference numeral 27 denotes a substantially octagonal frame formed of a tubular body, which comprises four frame members 28. The frame member 28 is formed of a stainless material or the like, and has a bent portion 28a of a predetermined length formed by bending both sides at an angle of 120 degrees. Reference numeral 29 denotes an elastic roller made of resin such as foamed EVA or PVC or EP rubber or CR rubber provided on every other side of the octagonal frame 27, and a hole 30 is formed in the center of the roller in the axial direction. Have been. These elastic rollers 29 are inserted into the frame members 28 on the four sides at the holes 30, respectively, are positioned at the straight portions 28b of the frame members 28, and are rotatably mounted.
[0032]
Reference numeral 31 denotes a connecting pipe that connects adjacent bent portions 28a of the frame members 28 on four sides formed in an octagon. As shown in FIG. 8, the four sides of the frame member 28 to which the elastic rollers 29 are mounted have bent portions 28a inserted into the connecting pipe 31, and a plurality of, for example, four bolts and nuts 32, At 33 it is connected and fixed. In this manner, the frame members 28 on the four sides are coupled via the four connecting pipes 31 to form the octagonal frame 27.
[0033]
In this configuration, the mooring member 17B loosely fitted to the mooring stake 9 is mounted on the float member 1 via the elastic roller 29. Therefore, when the mooring member 17B moves up and down largely on the pile 9 due to the waves and strongly hits the float member 1, the elastic roller 29 rotates and slides on the upper surface protection plate 8 of the float member 1, so that the cushioning function works. Thus, the impact caused by the contact between the two members 17B and 1 is absorbed and damage is prevented. Further, when the mooring member 17B moves up and down along the pile 9, the elastic roller 29 rotates in contact with the pile 9, so that sliding resistance is reduced and the mooring member 17B moves up and down smoothly. The plurality of elastic rollers 29 provided on the mooring member 17 </ b> B have a buffer function for the float member 1 and a sliding function for the pile 9.
[0034]
【The invention's effect】
According to the present invention (claim 1), the mooring member having the mooring ring to which the mooring rope is tied is a mooring device which is loosely fitted to the mooring pile so as to be separated from the float member and mounted thereon. When the mooring rope is pulled by the wave moving up and down or rolling due to the waves, only the mooring device rises and the float member is not lifted, so no large load is applied to the rope and the rope is damaged in a short time It does not break, the stress on the mooring device and the hull is reduced via the mooring rope, and the ship can be moored long and safely.
[0035]
Further, according to the present invention (claim 2), the mooring member is provided with the mooring pile adhering matter removing means, so that when the mooring member moves up and down along the mooring pile, the alga that naturally adheres to the pile is provided. Since the shells and shells are removed and their attachment is prevented, the float member can be kept up and down smoothly.
[0036]
According to the present invention (claim 3), the mooring member is formed of an octagonal frame, and the buffer member is provided at a portion of the frame that comes into contact with the float member. Even if there is contact with the mooring member, the impact is alleviated and breakage or the like is prevented. In addition, since a sliding contact member is provided inside the mooring member to reduce frictional resistance with the mooring pile, the mooring member is pulled vigorously by a mooring rope tied to the mooring ring of the mooring member when waves or the like are large. Even if it moves, the movement of the mooring member is not hindered, and the mooring member can move lightly along the pile. For this reason, the load on the mooring rope is reduced, the stress applied to the mooring device and the hull by the waves is suppressed, and the stable mooring of the ship is performed.
[0037]
Further, according to the present invention (claim 4), the elastic roller is provided on every other side of the octagonal frame of the mooring member, and the elastic roller is configured to rotate and contact both the float member and the pile. With only one elastic roller, the buffer function for the float member and the sliding contact function with the mooring pile can be achieved at the same time, prevention of damage due to collision between the mooring member and the float member, and smooth movement of the mooring member relative to the pile. Can be reliably achieved with a simple configuration.
[Brief description of the drawings]
FIG. 1 is a front view showing a mooring device according to an embodiment of the present invention.
FIG. 2 is a plan view showing the mooring device according to the embodiment of the present invention.
FIG. 3 is a sectional view of the mooring member taken along line AA in FIG. 2;
FIG. 4 is a sectional view of the funnel taken along the line AA in FIG. 2;
FIG. 5 is a front view showing a mooring device according to another embodiment.
FIG. 6 is a front view showing a mooring member of a mooring device according to another embodiment.
FIG. 7 is a perspective view of an elastic roller provided on the mooring member.
FIG. 8 is a perspective view showing a connection structure of an octagonal frame of the mooring device.
FIG. 9 is a diagram showing a normal (no wave) mooring situation.
FIG. 10 is a diagram showing an appearance at the time of mooring when there is a wave.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Float member 9 Mooring pile 11 Sliding member 16 Debris removing means 17, 17B Mooring member 18 Frame 23 Mooring ring 24 Sliding member 25 Buffer member 29 Elastic roller

Claims (4)

水面に浮揚した状態で係留杭に遊嵌されるフロート部材と、上記係留杭に遊嵌され上記フロート部材上に該フロート部材と分離された状態で載置された、船舶等の係留ロープが結ばれる係留部材とからなる係留装置。A float member that is loosely fitted to the mooring pile while floating on the water surface, and a mooring rope of a ship or the like that is loosely fitted to the mooring pile and placed on the float member in a state separated from the float member are tied. And a mooring device. 上記フロート部材に係留杭付着物除去手段が付加されてなる請求項1記載の係留装置。The mooring device according to claim 1, wherein mooring pile attached matter removing means is added to the float member. 上記係留部材は、8角形のフレームと、該フレームの上面に形成された係留環と、上記フレームの内側に形成された摺接部材と、上記フロート部材に接する部位に形成された緩衝部材とからなることを特徴とする請求項1または2記載の係留装置。The mooring member includes an octagonal frame, a mooring ring formed on an upper surface of the frame, a sliding contact member formed inside the frame, and a cushioning member formed at a portion in contact with the float member. The mooring device according to claim 1, wherein the mooring device comprises: 上記係留部材は、管体よりなる略8角形のフレームと、該フレームに1辺おきに回転可能に取りつけられた、上記フレーム体に対する緩衝機能及び上記係留杭への摺接機能を有する弾性体ローラーとを備えてなることを特徴とする請求項1または2記載の係留装置。The mooring member has a substantially octagonal frame made of a tubular body, and an elastic roller which is rotatably attached to the frame at every other side and has a buffer function for the frame body and a sliding function to the mooring pile. The mooring device according to claim 1 or 2, further comprising:
JP2002287152A 2002-09-30 2002-09-30 Mooring equipment Expired - Fee Related JP4043333B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015094072A (en) * 2013-11-08 2015-05-18 ゼニヤ海洋サービス株式会社 Mooring device for floating body structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015094072A (en) * 2013-11-08 2015-05-18 ゼニヤ海洋サービス株式会社 Mooring device for floating body structure

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