JPS6319373Y2 - - Google Patents
Info
- Publication number
- JPS6319373Y2 JPS6319373Y2 JP1983160109U JP16010983U JPS6319373Y2 JP S6319373 Y2 JPS6319373 Y2 JP S6319373Y2 JP 1983160109 U JP1983160109 U JP 1983160109U JP 16010983 U JP16010983 U JP 16010983U JP S6319373 Y2 JPS6319373 Y2 JP S6319373Y2
- Authority
- JP
- Japan
- Prior art keywords
- fender
- impact
- pneumatic
- auxiliary tank
- main body
- 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
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000013459 approach Methods 0.000 description 3
- 238000000418 atomic force spectrum Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Vibration Dampers (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
【考案の詳細な説明】
本考案は空気式防舷装置の改良に関するもので
ある。[Detailed Description of the Invention] The present invention relates to an improvement of a pneumatic fender.
そもそも空気式防舷装置は、船舶の接岸時にお
ける衝撃を緩和するために岸壁等に固定あるいは
係留されている。 In the first place, pneumatic fenders are fixed or moored to a quay or the like in order to reduce the impact when a ship approaches the berth.
本考案の考案者らの研究の結果によると、上記
空気式防舷装置の製造上の重要なポイントは下記
の通りである。すなわち、
(a) 衝撃エネルギー吸収力を得るために、補強層
を埋設したゴム状弾性体からなる防舷材本体の
強度と、その内容積とを、最大限に利用できる
こと。 According to the research results of the inventors of the present invention, the important points in manufacturing the above pneumatic fender device are as follows. In other words, (a) In order to obtain impact energy absorption capacity, the strength and internal volume of the fender body, which is made of a rubber-like elastic body with a reinforcing layer embedded therein, can be utilized to the maximum extent.
(b) 船舶が異常接岸した時でも防舷材本体が損傷
せず、しかもその衝撃エネルギーを最大限に吸
収できること。(b) The main body of the fender will not be damaged even when a ship approaches the berth abnormally, and it will be able to absorb the impact energy to the maximum extent possible.
(c) 船舶の接岸エネルギーを吸収し終つた時点
で、防舷装置が船舶を押し戻す力をできるだけ
小さくすることができること。(c) Once the ship's berthing energy has been absorbed, the fender system should be able to minimize the force pushing the ship back.
ところが、上述した各ポイントを満足せしめよ
うとすると、どうしても構造が複雑化し、コスト
アツプになる等問題があるのが現状である。 However, the current situation is that trying to satisfy each of the above-mentioned points inevitably leads to problems such as a complicated structure and increased costs.
従つて、本考案の目的は、極めて簡単な構造で
あるにもかかわらず、上述した空気式防舷装置の
構造上の重要なポイントを満足せしめ得る空気式
防舷装置を提供することにある。 Therefore, it is an object of the present invention to provide a pneumatic fender that can satisfy the important structural points of the above-mentioned pneumatic fender despite having an extremely simple structure.
すなわち本考案は、補強層を埋設したゴム状弾
性体からなり内部に気密室を有する防舷材本体の
接舷側に、気密構造として内部に補助タンク室を
形成した受衝筐体を一体的に取り付け、この受衝
筐体の補助タンク室と前記防舷材本体の気密室と
を連通したことを特徴とする空気式防舷装置を、
その要旨とすものである。 In other words, the present invention integrates an impact-receiving case with an auxiliary tank chamber inside as an airtight structure on the fender side of the fender body, which is made of a rubber-like elastic body with a reinforcing layer embedded therein and has an airtight chamber inside. A pneumatic fender device characterized in that the auxiliary tank chamber of the impact receiving case is connected to the airtight chamber of the fender main body,
This is the gist of it.
以下本考案を実施例により図面を参照して具体
的に説明する。 Hereinafter, the present invention will be explained in detail by way of examples with reference to the drawings.
第１図は本考案の実施例からなる空気式防舷装
置を示す平面視断面説明図、第２図及び第３図は
それぞれ本空気式防舷装置と従来の受衝板を備え
た空気式防舷装置との、船舶接舷時における撓み
と内圧及び圧力との関係を示す図である。 Fig. 1 is a plan view sectional explanatory diagram showing a pneumatic fender according to an embodiment of the present invention, and Figs. 2 and 3 show the present pneumatic fender and a conventional pneumatic fender equipped with a conventional impact plate, respectively. It is a figure showing the relationship between deflection, internal pressure, and pressure when a ship comes alongside the fender device.
図においてＥは本考案の実施例からなる空気式
防舷装置であつて、補強層Ｋを埋設したゴム状弾
性体からなり内部に気密室Ａを有する防舷材本体
１０の接舷側１０ａに、気密構造として内部に補
助タンク室Ｂを形成した受衝筐体２０を一体的に
取り付け、この受衝筐体２０の補助タンク室Ｂと
前記防舷材本体１０の気密室Ａとを連通すること
により構成されている。 In the figure, E denotes a pneumatic fender device according to an embodiment of the present invention, which is made of a rubber-like elastic body with a reinforcing layer K embedded therein, and has an airtight chamber A inside. An impact receiving case 20 having an auxiliary tank chamber B formed therein as an airtight structure is integrally attached, and the auxiliary tank chamber B of this impact receiving case 20 is communicated with the airtight chamber A of the fender body 10. It is made up of.
さらにこの構造を説明すると、前記防舷材本体
１０は、前述したように、補強層Ｋを埋設したゴ
ム状弾性体からなり、その形状は図示の如く、接
舷側１０ａ及び基部側１０ｂすなわち岸壁Ｇへの
取付側を開口した筒状に成形されており、この接
舷側１０ａ及び基部側１０ｂにそれぞれフランジ
部１１ａ及び１１ｂが設けられている。そしてこ
の接舷側１０ａのフランジ部１１ａには接舷側覆
板１２を、基部側１０ｂのフランジ部１１ｂには
底板１３をそれぞれ取り付けることにより前記気
密室Ａが形成されている。 To further explain this structure, the fender main body 10 is made of a rubber-like elastic body with a reinforcing layer K embedded therein, as described above, and its shape is as shown in the figure, with the fender side 10a and the base side 10b, that is, the quay wall G. It is formed into a cylindrical shape with an opening on the side to which it is attached, and flanges 11a and 11b are provided on the side 10a and base side 10b, respectively. The airtight chamber A is formed by attaching a side cover plate 12 to the flange portion 11a of the side side 10a and a bottom plate 13 to the flange portion 11b of the base side 10b.
また前記受衝筐体２０は、図示のように気密構
造に構成され、内部に補助タンク室Ｂが形成され
ており、ガスケツト１４を介して前記防舷材本体
１０の接舷側１０ａに着脱可能に取り付けられて
いる。 The impact receiving housing 20 has an airtight structure as shown in the figure, has an auxiliary tank chamber B formed therein, and can be detachably attached to the fender main body 10 on the side 10a via a gasket 14. attached.
図においてａは通気孔で、前記防舷材本体１０
の接舷側１０ａに取り付けられた接舷側覆板１
２、前記ガスケツト１４及び前記受衝筐体２０の
底板２１を貫通して、受衝筐体２０の補助タンク
室Ｂと前記防舷材本体１０の気密室Ａとを連通す
るよう設けられている。 In the figure, a is a ventilation hole, and the fender main body 10
The side cover plate 1 attached to the side side 10a of
2. It is provided so as to penetrate the gasket 14 and the bottom plate 21 of the impact receiving case 20 to communicate the auxiliary tank chamber B of the impact receiving case 20 with the airtight chamber A of the fender main body 10. .
そしてこの通気孔ａの内径Ｄは、前記防舷材本
体１０の内径をｄとすると、Ｄ＝0.1d〜0.8dの範
囲に設定するのが好ましい。 The inner diameter D of the ventilation hole a is preferably set in the range of 0.1d to 0.8d, where d is the inner diameter of the fender main body 10.
これは、通気孔ａの内径Ｄが0.1d未満である
と、船舶の接岸時において防舷材本体１０の内圧
が急激に高くなる恐れがあるからであり、また通
気孔ａの内径Ｄを0.8dを超えて大きくし過ぎる
と、強度上の問題が発生する恐れがあるからであ
る。 This is because if the inner diameter D of the vent hole a is less than 0.1d, the internal pressure of the fender main body 10 may increase rapidly when the ship is berthed. This is because if it is made too large beyond d, problems with strength may occur.
なお図において２２は補強板で、前記受衝筐体
２０の底板２１と受衝板２３との間に所要の間隔
をおいて設けられており、この補強板２２には図
示のように通気孔２４が設けられている。 In the figure, reference numeral 22 denotes a reinforcing plate, which is provided at a required distance between the bottom plate 21 and the impact receiving plate 23 of the impact receiving casing 20, and this reinforcing plate 22 has ventilation holes as shown in the figure. 24 are provided.
３０はアンカーボルトで、岸壁Ｇの所定の位置
に埋設固定されており、このアンカーボルト３０
の自由端側に、前記防舷材本体１０の基部側１０
ｂに形成されたフランジ部１１ｂ及び底板１３
を、フランジ板１５ｂを介してナツト３１により
着脱可能にしかも一体的に取り付けるものであ
る。 Reference numeral 30 denotes an anchor bolt, which is buried and fixed at a predetermined position on the quay G.
The base side 10 of the fender body 10 is placed on the free end side of the fender main body 10.
flange portion 11b and bottom plate 13 formed on b
are removably and integrally attached with a nut 31 via a flange plate 15b.
４０は受衝筐体２０の取付ボルトで、受衝筐体
２０の底板２１の所定の位置に突設固定されてお
り、この取付ボルト４０の自由端側に、ガスケツ
ト１４、接舷側覆板１２及び防舷材本体１０の接
舷側１０ａのフランジ部１１ａを、フランジ板１
５ａを介してナツト４１により着脱可能にしかも
一体的に取り付けるものである。 Reference numeral 40 denotes a mounting bolt for the impact-receiving housing 20, which is fixed in a protruding manner at a predetermined position on the bottom plate 21 of the impact-receiving housing 20, and a gasket 14 and a side cover plate 12 are attached to the free end side of the mounting bolt 40. The flange portion 11a on the side 10a of the fender main body 10 is attached to the flange plate 1.
It is detachable and integrally attached with a nut 41 via 5a.
第２図は、縦軸に内圧を、横軸に撓みをそれぞ
れ取つて、本考案の空気式防舷装置Ｅと、従来の
受衝板すなわち気密構造ではなく内部に補助タン
ク室を有していない受衝板を備えた空気式防舷装
置（防舷材本体のサイズ及び受衝面積は同じ）
の、船舶接岸時における内圧の変化を示す図であ
る。なお本実施例においては本空気式防舷装置Ｅ
の初期内圧を従来のものよりやや高く設定し、吸
収エネルギーの同一化を図つている。 Figure 2 shows the internal pressure on the vertical axis and the deflection on the horizontal axis, and shows the pneumatic fender E of the present invention and the conventional impact plate, which has an auxiliary tank chamber inside instead of an airtight structure. Pneumatic fender with no impact plate (the size and impact area of the fender body are the same)
FIG. 2 is a diagram showing changes in internal pressure when a ship berths. In this example, the present pneumatic fender E
The initial internal pressure is set slightly higher than that of conventional models in order to equalize the absorbed energy.
本空気式防舷装置Ｅの撓み−内圧曲線ｅと、従
来の空気式防舷装置の撓み−内圧曲線ｆとを比較
すると、本空気式防舷装置Ｅの撓み−内圧曲線ｅ
の方がその勾配が緩やかであり、従来の空気式防
舷装置すなわち補助タンク室を有していない空気
式防舷装置の方が急激に内圧が変化上昇すること
がわかる。 Comparing the deflection-internal pressure curve e of this pneumatic fender E with the deflection-internal pressure curve f of a conventional pneumatic fender E, the deflection-internal pressure curve e of this pneumatic fender E
It can be seen that the slope is gentler in the conventional pneumatic fender, that is, the pneumatic fender without an auxiliary tank room, and that the internal pressure changes and rises more rapidly.
また第３図は、縦軸に反力を、横軸に撓みをそ
れぞれ取つて、本考案の空気式防舷装置Ｅと従来
の受衝板すなわち気密構造ではなく内部に補助タ
ンク室を有していない受衝板を備えた空気式防舷
装置Ｆ（防舷材本体のサイズ及び受衝面積は同じ）
の、船舶接岸時におけるの反力の変化を示す図で
ある。 Figure 3 shows the pneumatic fender E of the present invention and the conventional impact plate, which has an auxiliary tank chamber inside instead of an airtight structure, with the reaction force on the vertical axis and the deflection on the horizontal axis. Pneumatic fender F equipped with a non-impact plate (the size and impact area of the fender body are the same)
It is a figure which shows the change of the reaction force at the time of a ship's berthing.
本空気式防舷装置Ｅの撓み−反力曲線e′と、従
来の空気式防舷装置の撓み−反力曲線f′とを比較
すると、本空気式防舷装置Ｅの撓み−反力曲線
e′の方がその勾配が緩やかであり、従来の空気式
防舷装置、すなわち補助タンク室を有していない
空気式防舷装置の方が急激に反力が変動化上昇す
ることがわかる。 Comparing the deflection-reaction force curve e' of the present pneumatic fender E with the deflection-reaction force curve f' of the conventional pneumatic fender E, the deflection-reaction force curve of the present pneumatic fender E
It can be seen that e' has a gentler gradient, and the reaction force fluctuates and increases more rapidly in the conventional pneumatic fender system, that is, in the pneumatic fender system that does not have an auxiliary tank room.
本考案の考案者らの実験結果によると、受衝筐
体２０の内部容積すなわち補助タンク室Ｂの容積
を、防舷材本体１０の内部容積の30％に設定する
と、同一の防舷材本体内部容積を有する従来の空
気式防舷装置と比較して、同一吸収エネルギー吸
収時における反力を、約75％に低減せしめること
ができる。 According to the experimental results of the inventors of the present invention, when the internal volume of the impact receiving case 20, that is, the volume of the auxiliary tank chamber B, is set to 30% of the internal volume of the fender main body 10, the same fender main body Compared to conventional pneumatic fenders with internal volume, the reaction force can be reduced to about 75% when the same absorbed energy is absorbed.
本考案は上述したように、補助層を埋設したゴ
ム状弾性体からなり内部に気密室を有する防舷材
本体の接舷側に、気密構造として内部に補助タン
ク室を形成した受衝筐体を一体的に取り付け、こ
の受衝筐体の補助タンク室と前記防舷材本体の気
密室とを連通したから、空気式防舷装置の内部に
封入し得る空気量を大幅に増大せしめることがで
きる。この結果、防舷材本体の同一圧縮量に対す
る内圧の上昇率を減少できると共に、反力の上昇
率をも減少せしめることができる。従つて、
(a) 補強層を埋設したゴム状弾性体からなる防舷
材本体の強度と、その内容積とを、最大限に利
用することができ、高い衝撃エネルギー吸収力
を得ることができる。 As mentioned above, the present invention includes an impact-receiving case with an auxiliary tank chamber formed inside as an airtight structure on the fender body, which is made of a rubber-like elastic body with an auxiliary layer embedded therein and has an airtight chamber inside. Since it is integrally installed and the auxiliary tank chamber of the impact receiving case communicates with the airtight chamber of the fender main body, the amount of air that can be sealed inside the pneumatic fender device can be greatly increased. . As a result, the rate of increase in internal pressure for the same amount of compression of the fender body can be reduced, and the rate of increase in reaction force can also be reduced. Therefore, (a) the strength and internal volume of the fender body, which is made of a rubber-like elastic body with a reinforcing layer buried therein, can be utilized to the maximum, and high impact energy absorption capacity can be obtained. .
(b) 船舶が異常接岸した時でも防舷材本体が損傷
せず、しかもその衝撃エネルギーを最大限に吸
収することができる。(b) Even when a ship approaches the berth abnormally, the fender itself will not be damaged and will be able to absorb the impact energy to the maximum extent possible.
(c) 船舶の接岸エネルギーを吸収し終つた時点
で、防舷装置が船舶を押し戻す力をできるだけ
小さくすることができる。(c) Once the ship's berthing energy has been absorbed, the fender system can reduce the force pushing the ship back as much as possible.
第１図は本考案の実施例からなる空気式防舷装
置を示す平面視断面説明図、第２図及び第３図は
それぞれ本空気式防舷装置と従来の受衝板を備え
た空気式防舷装置との、船舶接舷時における撓み
と内圧及び反力との関係を示す図である。
１０……防舷材本体、１０ａ……防舷材本体の
接舷側、２０……受衝筐体、Ａ……気密室、Ｂ…
…補助タンク室、Ｋ……補強層。
Fig. 1 is a plan view sectional explanatory diagram showing a pneumatic fender according to an embodiment of the present invention, and Figs. 2 and 3 show the present pneumatic fender and a conventional pneumatic fender equipped with a conventional impact plate, respectively. It is a figure showing the relationship between deflection, internal pressure, and reaction force when a ship comes alongside the fender device. DESCRIPTION OF SYMBOLS 10... Fender main body, 10a... Fender side of fender main body, 20... Impact receiving housing, A... Airtight room, B...
...Auxiliary tank room, K...Reinforcement layer.
Claims (1)
気密室を有する防舷材本体の接舷側に、気密構造
として内部に補助タンク室を形成した受衝筐体を
一体的に取り付け、この受衝筐体の補助タンク室
と前記防舷材本体の気密室とを連通したことを特
徴とする空気式防舷装置。 A shock-receiving case with an auxiliary tank chamber formed inside as an air-tight structure is integrally attached to the side of the fender body, which is made of a rubber-like elastic material with a reinforcing layer embedded therein and has an airtight chamber inside. A pneumatic fender system, characterized in that an auxiliary tank chamber of a housing and an airtight chamber of the fender main body are communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983160109U JPS6070627U (en) | 1983-10-18 | 1983-10-18 | pneumatic fender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983160109U JPS6070627U (en) | 1983-10-18 | 1983-10-18 | pneumatic fender |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6070627U JPS6070627U (en) | 1985-05-18 |
| JPS6319373Y2 true JPS6319373Y2 (en) | 1988-05-31 |
Family
ID=30352254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983160109U Granted JPS6070627U (en) | 1983-10-18 | 1983-10-18 | pneumatic fender |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6070627U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6179186B2 (en) * | 2013-05-16 | 2017-08-16 | 横浜ゴム株式会社 | Pneumatic fender |
| JP5880384B2 (en) * | 2012-10-11 | 2016-03-09 | 横浜ゴム株式会社 | Pneumatic fender |
| JP6086699B2 (en) * | 2012-11-07 | 2017-03-01 | 株式会社ブリヂストン | Fender and its receiving member |
-
1983
- 1983-10-18 JP JP1983160109U patent/JPS6070627U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6070627U (en) | 1985-05-18 |
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