JPS59192113A - Mooring device of floating body - Google Patents

Mooring device of floating body

Info

Publication number
JPS59192113A
JPS59192113A JP6550683A JP6550683A JPS59192113A JP S59192113 A JPS59192113 A JP S59192113A JP 6550683 A JP6550683 A JP 6550683A JP 6550683 A JP6550683 A JP 6550683A JP S59192113 A JPS59192113 A JP S59192113A
Authority
JP
Japan
Prior art keywords
floating body
piston
cylinder
wind
mooring
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.)
Granted
Application number
JP6550683A
Other languages
Japanese (ja)
Other versions
JPS6316525B2 (en
Inventor
Tooru Sawaragi
椹木 亨
Masayoshi Kubo
雅義 久保
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.)
Giken Kogyo Co Ltd
Original Assignee
Giken Kogyo Co Ltd
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 Giken Kogyo Co Ltd filed Critical Giken Kogyo Co Ltd
Priority to JP6550683A priority Critical patent/JPS59192113A/en
Publication of JPS59192113A publication Critical patent/JPS59192113A/en
Publication of JPS6316525B2 publication Critical patent/JPS6316525B2/ja
Granted legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/20Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
    • E02B3/24Mooring posts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)

Abstract

PURPOSE:To prevent damage of a dash pot by a method in which the mooring rope of a floating body is connected to a piston slidably fitted with the cylinder of the dash pot, and the piston is connected to a counter weight. CONSTITUTION:Rods 15 and 16 slidably thrust through the end of a cylinder 13 are projectionally provided on both sides of a piston 14 slidably provided to the cylinder 13 of a dash pot 12 set on the land side. One 15 of the rods is connected through a mooring rope 17 to a floating body 11, and the end of a rope 18 connected to the other rod 16 is connected through a pulley 19 to a counter weight 20. The movement of the floating body 11 by wind can thus be buffered and reduced by the dash pot 12, and the separation of the floating body 11 from the pier and also the collision of the piston 14 against the cylinder end can be prevented by the counter weight 20.

Description

【発明の詳細な説明】 本発明者等は最に特願昭56−157531、発明の名
称:浮体の係留装置)において、第1図に示すように船
舶等の浮体(1)K一端を繋着した係留索(2)の他端
を、ダッシュポット(3)におけるシリンダ(4)に可
摺動的に嵌挿されたピストンロットe(5)に繋着し、
シリンダ(4)の他端に繋着された索(6)を陸上係留
部に繋着した浮体の係留装置を提案した。
DETAILED DESCRIPTION OF THE INVENTION The present inventors first proposed a method for connecting one end of a floating body (1) K, such as a ship, as shown in FIG. The other end of the attached mooring line (2) is connected to the piston rod e (5) slidably fitted into the cylinder (4) in the dashpot (3),
We have proposed a floating mooring device in which a cable (6) connected to the other end of a cylinder (4) is connected to a land mooring part.

前記係留装置においては瞳側より風が吹くと。In the mooring device, the wind blows from the pupil side.

風圧のために浮体(1)は陸から離れ、そのためピスト
ン(7)とシリンダ(4)の端部との距離αが減少する
Due to the wind pressure, the floating body (1) moves away from the land, so that the distance α between the piston (7) and the end of the cylinder (4) decreases.

風による外力とは別にうねり等の波浪外力も作用する場
合、ピストン(7)は浮体(1)の運動に応じて往復運
動を行なうことになるが−αが小さい場合。
If an external wave force such as undulation is applied in addition to the external force due to wind, the piston (7) will perform reciprocating motion in accordance with the movement of the floating body (1), but if -α is small.

ピストン(7)はシリンダ(4)の端部(4α)に衝突
し。
The piston (7) collides with the end (4α) of the cylinder (4).

ダッシュポット(3)を破損することがある。Dashpot (3) may be damaged.

本発明はこのような問題点を解決するために提案された
もので、浮体の係留索をダッシュボットノシリンダに可
摺動的に嵌装されたピストンに繋着するとともに、同ピ
ストンをカウンタウェイトに接続してなることを特徴と
する浮体の係留装置に係るものである。
The present invention was proposed to solve these problems, and it connects the mooring cable of a floating body to a piston slidably fitted in a dashbotno cylinder, and connects the piston to a counterweight. This relates to a mooring device for a floating body, characterized in that it is connected to a mooring device.

本発明においては前記したように、浮体の係留索をシリ
ンダに可摺動的に嵌装されたピストンに繋着し、同シリ
ンダ端部を直接陸上部に係留することなく、前記ピスト
ンをカウンタウェイトに接続したので一風による浮体の
運動が前記ダッシュポットによって緩衝、低減され、風
速に見合うカウンタウェイトを選択することによって、
風による浮体の離岸距離の増大が防止され、また前記従
来の係留装置におけるように−ダッシュポットのピスト
ンがシリンダ端部に衝突するのが防止される。かくして
ダッシュポットが有効に作動するのみならず、荷役作業
が安全に行なわれる等一本発明は多くの利点を有するも
のである。
In the present invention, as described above, a mooring cable of a floating body is connected to a piston slidably fitted in a cylinder, and the piston is connected to a counterweight without directly mooring the end of the cylinder to a land part. Since the movement of the floating body due to a single wind is buffered and reduced by the dashpot, by selecting a counterweight that matches the wind speed,
An increase in the offshore distance of the floating body due to wind is prevented, and the piston of the dashpot is prevented from hitting the cylinder end - as in the conventional mooring system. In this way, the present invention has many advantages, such as not only the dashpot operating effectively but also cargo handling operations being carried out safely.

以下本発明を図示の実施例忙ついて説明する。The present invention will now be described with reference to the illustrated embodiments.

0υは船舶等の浮体、02は陸上側に配設されたダッシ
ュポットで、そのシリンダ0りに可摺動的に嵌装された
ピストンIの両側に、シリンダQ31の端部に可摺動的
に貫挿されたロツ−09α6)が突設されている。
0υ is a floating body such as a ship, 02 is a dashpot installed on the land side, and a piston I is slidably fitted in the cylinder 0 on both sides, and a slider is fitted at the end of the cylinder Q31. ROTS-09α6) inserted through the is protrudingly provided.

而して一方のロッド(I9は係留索(171を介して前
記浮体(111に接続され、他方のロット?旺に接続き
れた索(IPIの端部は滑車(11を経由してカウンタ
ウェイト■に接続されている。
One rod (I9 is connected to the floating body (111) via a mooring cable (171), and the end of the cable (IPI) connected to the other mooring cable (IPI) is connected to the counterweight via a pulley (11). It is connected to the.

なおりランタウエイト(2■及びその接続方法は現場の
状況に応じて変化するものである。
Naori Lantau weight (2) and its connection method will change depending on the situation at the site.

従って前記ダッシュポット(1つによって浮体ODノ風
による運動が緩衝、低減され、カウンタウェイト(20
1によって浮体αυの離岸、及びピストンσaのシリン
ダ0端部に対する衝突が防止される。
Therefore, the movement of the floating body OD due to the wind is buffered and reduced by the dashpot (1), and the counterweight (20
1 prevents the floating body αυ from leaving the shore and preventing the piston σa from colliding with the cylinder 0 end.

第6図及び第4図は陸棚より風が吹き、更に浮体Uに波
が作用した場合の実験結果を示し、第6図はダッシュポ
ットのみでカウンタウェイトが装備されていない場合、
第4図はダッシュポット及びカウンタウェイトが装備さ
れた本発明の場合における船のスエイング(SWAYI
NG)の時間変化を示したもので、縦軸が風による船の
変位量を示し、これによってカウンタウェイトにより風
による船の離岸を0にすることが明らかとなる。
Figures 6 and 4 show the experimental results when wind blows from the shelf and waves act on floating body U. Figure 6 shows the case where only a dashpot is installed and no counterweight is installed.
FIG. 4 shows the swaying of the ship in the case of the present invention equipped with a dashpot and a counterweight.
NG), the vertical axis shows the amount of displacement of the ship due to the wind, and it is clear from this that the counterweight can reduce the amount of ship leaving the shore due to the wind to zero.

第5図は風速を変化させた場合、模型船に作用する力と
模型船の変位との関係を示し、この図表から風速が増大
すると風速のほぼ自乗に比例して離岸距離は増大するこ
とが明らかである。従って風速にみあったカウンタウェ
イトをダッシュポットに取付けろことによって、風によ
る離岸を前記したように0とすることが可能である。
Figure 5 shows the relationship between the force acting on the model ship and the displacement of the model ship when the wind speed is changed. From this chart, it can be seen that as the wind speed increases, the distance away from shore increases approximately in proportion to the square of the wind speed. is clear. Therefore, by attaching a counterweight to the dashpot that matches the wind speed, it is possible to reduce the risk of leaving the shore due to the wind to zero, as described above.

このように本発明によればカウンタウェイト付きの〃゛
ツシユボツト使用することによって、定常風による風の
離岸を阻止することが可能となるが、定常風による風圧
は風速−受圧面積等によって変化するので一前記カウン
タウェイトは風圧または離岸距離に対して変化させる必
要があり、これは自動制御装置により可能となる。
As described above, according to the present invention, by using a "shock bot" with a counterweight, it is possible to prevent the wind from leaving the shore due to steady wind, but the wind pressure due to steady wind changes depending on the wind speed - pressure receiving area, etc. Therefore, it is necessary to change the counterweight depending on the wind pressure or the distance from shore, and this is made possible by an automatic control device.

第6図はこの自動制御装置の一例を示し、浮体圓の変位
Xは変位検出用ポテンショメータ(P)により検知され
、これが目標変位量xPよりも大きくなければ電磁弁制
御回路(AIが作動して弁(Vol)を開き、ヘット9
タンク(Tl内からカランタウエイト(21J)のタン
クに流体を供給し、これによって浮体aυを岸側に引寄
せることができる。
Figure 6 shows an example of this automatic control device, in which the displacement X of the floating body circle is detected by a displacement detection potentiometer (P), and if it is larger than the target displacement amount xP, the solenoid valve control circuit (AI is activated). Open the valve (Vol) and head 9
Fluid is supplied from inside the tank (Tl) to the tank of Kalanta Weight (21J), thereby making it possible to pull the floating body aυ to the shore side.

而してXがxPに等しくなると、電磁弁制御回路法)が
再び作動して弁(Vo、)を閉じ一ヘッドタンク(T)
からカウンタウェイト@)のタンクに対する流体の供給
を停止する。風がなくなり、XがXPより小さくなった
場合−これを前記ポテンショメータ(piで検知して電
磁弁制御回路法)が作動し、弁(■e2)を開いてカウ
ンタウェイト(イ)のタンクより流体を排出し、同カウ
ンタウェイト(2αを軽くして常に浮体(I11位置を
XPに合致するように自動的に制御するものである。な
お図中(V、MV2)は夫々流量調節弁及び排出弁であ
る。
Then, when X becomes equal to xP, the solenoid valve control circuit operates again to close the valve (Vo,) and open the head tank (T).
Stop supplying fluid to the tank of the counterweight @). When the wind disappears and X becomes smaller than XP, the potentiometer (detected by pi and solenoid valve control circuit method) operates, opens the valve (■e2), and releases fluid from the tank of the counterweight (a). The system automatically controls the position of the floating body (I11) so that it always matches XP by reducing the counterweight (2α). In the figure, (V, MV2) are the flow control valve and discharge valve, respectively. It is.

以上本発明を実施例について説明したが1本発明は勿論
このような実施例にだけ局限されるものではなく1本発
明の精神を逸脱しない範囲内で種々の設計の改変が施さ
れるものであって1例えばダッシュポットと浮体との間
に配設された係留索にスプリングを介装する、 浮体の運動周期が短かい場合、または急に伺らかの理由
で浮体が陸棚に移動した場合、係留索は一瞬たるみを生
じ、次の瞬間に急にまた引張られると一スナップ荷重が
ダッシュポットに作用するが、前記係留索に介装された
スプリングによって一スナップ荷重の発生を防止し−ま
たは緩和するものである。
Although the present invention has been described above with reference to embodiments, the present invention is, of course, not limited to these embodiments, and may be modified in various ways without departing from the spirit of the present invention. For example, if a spring is interposed in the mooring cable placed between the dashpot and the floating body, if the floating body has a short movement cycle, or if the floating body suddenly moves to the shelf for some reason. , when the mooring line momentarily slackens and is suddenly pulled again the next moment, a snap load acts on the dashpot, but a spring interposed in the mooring line prevents the generation of the snap load. It is a relief.

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

第1図は従来の浮体係留装置の縦断側面図−第2図は本
発明に係る浮体係留装置の一実施例を示す縦断側面図−
第6図及び第4図は夫々ダッシュポットのみでカウンタ
ウェイトの装備されない浮体係留装置及び本発明の浮体
係留装置における浮体のスウエイングの時間的変化を示
す実験結果な示す図表、第5図は風による浮体運動の実
験結果を示す図表、第6図は本発明の他の実施例を示す
説明図である。 (団・・・浮体−(+21・・・ダッシュポット−(1
3)・・・シリンダ。 04)・・・ピストン−Q51(ha・−・ロッド−(
Iη・・・係W索−03)−・・索、(19・−・滑車
、(4))・・・カウンタウェイト代坪人弁理士岡本重
文 外2名
FIG. 1 is a longitudinal side view of a conventional floating body mooring device. FIG. 2 is a longitudinal side view showing an embodiment of the floating body mooring device according to the present invention.
Figures 6 and 4 are graphs showing experimental results showing temporal changes in floating body sway in a floating body mooring system with only a dashpot and no counterweight, and a floating body mooring system of the present invention, respectively. A chart showing the experimental results of floating body motion, and FIG. 6 is an explanatory diagram showing another embodiment of the present invention. (Group...Floating body-(+21...Dashpot-(1
3)...Cylinder. 04)...Piston-Q51(ha...Rod-(
Iη...W cable-03)--Cable, (19--Pulley, (4))...Counterweight: Tsuboto patent attorney Shigefumi Okamoto and two others

Claims (1)

【特許請求の範囲】 浮体の係留索をダッシュポットのシリンダに可摺動的に
嵌装されたピストンに繋着するとともに。 同ピストンをカウンタウェイトに接続してなることを特
徴とする浮体の係留装置。
[Claims] A mooring cable of a floating body is connected to a piston slidably fitted in a cylinder of a dashpot. A floating mooring device characterized by connecting the same piston to a counterweight.
JP6550683A 1983-04-15 1983-04-15 Mooring device of floating body Granted JPS59192113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6550683A JPS59192113A (en) 1983-04-15 1983-04-15 Mooring device of floating body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6550683A JPS59192113A (en) 1983-04-15 1983-04-15 Mooring device of floating body

Publications (2)

Publication Number Publication Date
JPS59192113A true JPS59192113A (en) 1984-10-31
JPS6316525B2 JPS6316525B2 (en) 1988-04-09

Family

ID=13289017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6550683A Granted JPS59192113A (en) 1983-04-15 1983-04-15 Mooring device of floating body

Country Status (1)

Country Link
JP (1) JPS59192113A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61175096U (en) * 1985-04-22 1986-10-31
JP2002211479A (en) * 2001-01-22 2002-07-31 Penta Ocean Constr Co Ltd Mooring wire cutting protective device
CN104652368A (en) * 2015-03-06 2015-05-27 任永恒 Mooring device for yacht
CN111976892A (en) * 2020-09-04 2020-11-24 威海海洋职业学院 Cable hanging mechanism for stopping fishing boat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61175096U (en) * 1985-04-22 1986-10-31
JP2002211479A (en) * 2001-01-22 2002-07-31 Penta Ocean Constr Co Ltd Mooring wire cutting protective device
CN104652368A (en) * 2015-03-06 2015-05-27 任永恒 Mooring device for yacht
CN111976892A (en) * 2020-09-04 2020-11-24 威海海洋职业学院 Cable hanging mechanism for stopping fishing boat

Also Published As

Publication number Publication date
JPS6316525B2 (en) 1988-04-09

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