JP7007680B2 - Floating fish reef device - Google Patents

Floating fish reef device Download PDF

Info

Publication number
JP7007680B2
JP7007680B2 JP2017123315A JP2017123315A JP7007680B2 JP 7007680 B2 JP7007680 B2 JP 7007680B2 JP 2017123315 A JP2017123315 A JP 2017123315A JP 2017123315 A JP2017123315 A JP 2017123315A JP 7007680 B2 JP7007680 B2 JP 7007680B2
Authority
JP
Japan
Prior art keywords
fish reef
cord
mooring
floating fish
core material
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.)
Active
Application number
JP2017123315A
Other languages
Japanese (ja)
Other versions
JP2019004757A (en
Inventor
隆顕 志賀
芳彦 菊島
順一 金和
孝二 内海
正寛 西
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.)
Tesac Corp
Original Assignee
Tesac 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 Tesac Corp filed Critical Tesac Corp
Priority to JP2017123315A priority Critical patent/JP7007680B2/en
Publication of JP2019004757A publication Critical patent/JP2019004757A/en
Application granted granted Critical
Publication of JP7007680B2 publication Critical patent/JP7007680B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Artificial Fish Reefs (AREA)
  • Ropes Or Cables (AREA)

Description

本発明は、主係留索の構造面から疲労し易く、また損傷を受け易い個所を局部的に補強することが可能で、主係留索の重量増加やコストアップを抑えることができ、また、主係留索が新設であっても既設であっても補強することが可能な浮魚礁装置に関する。 INDUSTRIAL APPLICABILITY According to the present invention, it is possible to locally reinforce a portion of the main mooring rope that is easily fatigued and easily damaged from the structural aspect, and it is possible to suppress an increase in weight and cost of the main mooring rope. It relates to a floating fish reef device that can be reinforced regardless of whether the mooring line is new or existing.

海底に沈設されるアンカーに浮魚礁を浮遊状態で係留するための主係留索が備えられた浮魚礁装置として、特許文献１及び２が知られている。特許文献１の「浮魚礁」は、浮体と、アンカーと、浮体とアンカーとをつなぐ係留索を有し、潮流の速度が遅い時には浮体の上部が海面上に出、潮流の速度が速い時には浮体全体が海中に引き込まれるように、該浮体の浮力が調整されており、且つ、該浮体に係留索を介して標識ブイが取り付けられている。 Patent Documents 1 and 2 are known as a floating fish reef device provided with a main mooring line for mooring a floating fish reef in a floating state on an anchor sunk on the seabed. The "floating fish reef" of Patent Document 1 has a floating body, an anchor, and a mooring line connecting the floating body and the anchor. The buoyancy of the float is adjusted so that the whole is drawn into the sea, and a marker buoy is attached to the float via a mooring line.

特許文献２の「中層浮魚礁」は、上部側に浮体、下部側に重錘を設け、静止海水に対して直立浮揚されるようにしていて、係留索の少なくとも上部に鋼線の編み上げ被覆を施したロープが使用されている。 The "middle-layer floating fish reef" of Patent Document 2 is provided with a floating body on the upper side and a weight on the lower side so that it can be levitated upright with respect to static seawater, and a braided coating of steel wire is provided at least on the upper part of the mooring rope. The applied rope is used.

特開２００７－２３６２９１号公報Japanese Unexamined Patent Publication No. 2007-236291 特開２００２－５１６６５号公報JP-A-2002-51665

浮魚礁は、約１０年程度の耐用年数が経過すると、環境問題等の理由から、海上へ引き揚げて回収される。回収作業に際しては、浮魚礁をアンカーに係留している主係留索に、回収船から繰り出される回収索を巻き掛け、その後、回収索を引き揚げることによって、主係留索を介して浮魚礁及びアンカーを回収船に引き揚げるようにしている。 When the useful life of about 10 years has passed, the floating fish reef is withdrawn to the sea and recovered due to environmental problems. During the recovery work, the main mooring rope moored to the anchor of the floating fish reef is wrapped around the recovery rope unwound from the recovery ship, and then the recovery rope is pulled up to connect the floating fish reef and the anchor through the main mooring rope. I am trying to withdraw to a recovery ship.

引き揚げた浮魚礁の調査で、主係留索において疲労や損傷を受けていることが判明した。主係留索は、浮魚礁の設置期間中に破断が生じると、浮魚礁の漂流を引き起こすという問題があった。また、破断に至っていないとはいえ、主係留索が設計低減率以上に強度が損なわれ損傷した状態であると、上記回収作業に際し、回収索を巻き掛けての引き揚げ作業で破断するおそれもあり、破断に至った場合には、作業員に危険を及ぼしかねず、また、浮魚礁が流れて回収作業が面倒になると同時に、アンカーの回収が困難になるなどの問題があった。 Investigation of the salvaged reef revealed that the main mooring line was fatigued and damaged. The main mooring line had the problem of causing the floating fish reef to drift if it broke during the installation period of the floating fish reef. In addition, even if the main mooring rope has not been broken, if the strength of the main mooring rope is impaired more than the design reduction rate and it is damaged, there is a possibility that the main mooring rope will be broken by the lifting work by winding the recovery rope during the above recovery work. If the fracture occurs, it may pose a danger to the workers, and the floating fish reefs flow, which makes the recovery work troublesome and at the same time makes it difficult to recover the anchors.

このような問題に対しては、主係留索自体の強度を増強すればよいが、主係留索は数十メートルから数百メートルにわたるため、その重量が増大して取り扱い性が悪化するだけでなく、相当のコストアップになってしまうという課題があった。また、主係留索を新設する場合には、強度を増強したものを使用すればよいが、既に設置されている既存の主係留索に対しては、対策を講じることができない。 To deal with such problems, it is sufficient to increase the strength of the main mooring line itself, but since the main mooring line ranges from several tens to several hundreds of meters, not only the weight increases and the handleability deteriorates. However, there was a problem that the cost would increase considerably. In addition, when a new main mooring line is to be installed, one with increased strength may be used, but measures cannot be taken for the existing main mooring line that has already been installed.

本発明は上記従来の課題に鑑みて創案されたものであって、主係留索の構造面から疲労し易く、また損傷を受け易い個所を局部的に補強することが可能で、主係留索の重量増加やコストアップを抑えることができ、また、主係留索が新設であっても既設であっても補強することが可能な浮魚礁装置を提供することを目的とする。 The present invention was devised in view of the above-mentioned conventional problems, and it is possible to locally reinforce a portion of the main mooring line that is easily fatigued and easily damaged due to the structural aspect of the main mooring line. It is an object of the present invention to provide a floating fish reef device that can suppress an increase in weight and cost, and can be reinforced regardless of whether the main mooring line is new or existing.

本発明にかかる浮魚礁装置は、浮魚礁に設けられる副係留索と、海底に沈設されるアンカーとを連結して、該浮魚礁を浮遊状態で係留する主係留索を有する浮魚礁装置であって、上記主係留索は、合成樹脂製繊維材を編成した索体で形成され、上記副係留索を係止するアイ加工部と、該アイ加工部と上記アンカーとの間をつなぐ係留索部とを備え、上記アイ加工部は、上記索体を長さ方向一端部でＵ字状に折り返し、折り返しで互いに向かい合う索体部分を相互に編み込んで、上記係留索部の外径寸法よりも大きな外径寸法で形成される編み込み部を含み、上記係留索部には、上記編み込み部から上記アンカーに向かう適宜長さにわたり、該係留索部を包囲して金属製芯材入りの補強部材が取り付けられ、前記補強部材は、前記金属製芯材周りにその長さ方向に沿って配した複数本の合成樹脂製素線を、該金属製芯材に接合することなく、当該金属製芯材に、ばらけて解れるように撚って巻き付け固定したストランドで編成されることを特徴とする。 The floating fish reef device according to the present invention is a floating fish reef device having a main mooring line for mooring the floating fish reef in a floating state by connecting a sub mooring line provided on the floating fish reef and an anchor sunk on the sea floor. The main mooring rope is formed of a cord made of synthetic resin fiber material, and is a mooring cord portion that connects the eye processing portion that locks the sub mooring rope and the eye processing portion and the anchor. The eye processing portion is larger than the outer diameter of the mooring cord portion by folding the cord into a U-shape at one end in the length direction and weaving the cord portions facing each other by folding back. A reinforcing member containing a metal core material is attached to the mooring cord portion, which includes a braided portion formed in an outer diameter dimension, so as to surround the mooring cord portion for an appropriate length from the braided portion to the anchor. The reinforcing member is formed on the metal core material without joining a plurality of synthetic resin strands arranged around the metal core material along the length direction to the metal core material. It is characterized by being knitted with strands that are twisted, wound and fixed so that they can be loosened and unraveled .

前記補強部材は、複数本の前記ストランドをスリーブ形態に編成して形成されることを特徴とする。
The reinforcing member is characterized in that a plurality of the strands are knitted in a sleeve form.

前記金属製芯材は、ステンレス鋼よりも硬い、耐腐食性金属材料で形成されることを特徴とする。 The metal core material is characterized in that it is made of a corrosion-resistant metal material that is harder than stainless steel.

本発明にかかる浮魚礁装置にあっては、主係留索の構造面から疲労し易く、また損傷を受け易い個所を局部的に補強することができて、主係留索の重量増加やコストアップを抑えることができ、また、主係留索が新設であっても既設であっても補強することができる。 In the floating fish reef device according to the present invention, it is possible to locally reinforce a portion of the main mooring line that is easily fatigued and easily damaged due to the structural aspect of the main mooring line, thereby increasing the weight and cost of the main mooring line. It can be suppressed, and it can be reinforced whether the main mooring line is new or existing.

本発明に係る浮魚礁装置の好適な一実施形態を説明する説明図である。It is explanatory drawing explaining one preferable embodiment of the floating fish reef apparatus which concerns on this invention. 図１に示した浮魚礁装置に適用される主係留索の要部拡大図である。It is an enlarged view of the main part of the main mooring line applied to the floating fish reef device shown in FIG. 図２に示した主係留索の構造を説明する説明図である。It is explanatory drawing explaining the structure of the main mooring line shown in FIG. 図２及び図３に示した補強部材の作製順序とその構造を説明する説明図である。It is explanatory drawing explaining the manufacturing order and the structure of the reinforcing member shown in FIGS. 2 and 3.

以下に、本発明にかかる浮魚礁装置の好適な一実施形態を、添付図面を参照して詳細に説明する。図１は、本実施形態に係る浮魚礁装置を説明する説明図、図２は、図１に示した浮魚礁装置に適用される主係留索の要部拡大図、図３は、図２に示した主係留索の構造を説明するための説明図であって、図３（Ａ）は、主係留索にアイ加工部を形成する前の真直な状態を示す図、図３（Ｂ）は、アイ加工部を形成するために主係留索を折り返した様子を示す図、図３（Ｃ）は、アイ加工部を形成した主係留索に補強部材を取り付ける様子を示す図、図４は、図２及び図３に示した補強部材の作製順序とその構造を説明するための説明図であって、図４（Ａ）は、金属製芯材とその周りに配される複数本の合成樹脂製素線を示す図、図４（Ｂ）は、素線を芯材周りに撚って形成したストランドの様子を側面及び断面で示す図、図４（Ｃ）は、ストランドをスリーブ形態に編成した様子を一部破断側面及び断面で示す図である。 Hereinafter, a preferred embodiment of the floating fish reef device according to the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is an explanatory diagram illustrating the floating fish reef device according to the present embodiment, FIG. 2 is an enlarged view of a main part of the main mooring line applied to the floating fish reef device shown in FIG. 1, and FIG. 3 is shown in FIG. It is explanatory drawing for demonstrating the structure of the main mooring line shown, FIG. 3A is a figure which shows the straight state before forming the eye processing part in the main mooring line, and FIG. , FIG. 3 (C) shows a state in which the main mooring line is folded back to form the eye processing portion, FIG. 3 (C) shows a state in which a reinforcing member is attached to the main mooring line in which the eye processing portion is formed, and FIG. It is explanatory drawing for demonstrating the manufacturing order and structure of the reinforcing member shown in FIGS. 2 and 3, and FIG. 4A shows a metal core material and a plurality of synthetic resins arranged around it. The figure which shows the wire-making, FIG. 4 (B) is the figure which shows the state of the strand formed by twisting the wire around the core material in the side surface and the cross section, and FIG. It is a figure which shows the state which was partially broken by the side surface and the cross section.

本実施形態に係る浮魚礁装置１は、図１に示すように、海の表層部Ｓや表層部Ｓから深度のある中層部Ｍに設置される、例えば中空籠状の浮魚礁２と、浮魚礁２から垂設される複数本の副係留索３と、海底Ｂに沈設されるアンカー４と、アンカー４と副係留索３とを連結する主係留索５とから構成され、浮魚礁２は、副係留索３及び主係留索５を介してアンカー４に係留されて、海中に浮遊状態で設置される。主係留索５は一本であったり、あるいは複数本を長さ方向につなげたりして構成される。 As shown in FIG. 1, the floating fish reef device 1 according to the present embodiment floats with, for example, a hollow cage-shaped floating fish reef 2 installed in a surface layer S of the sea or a middle layer M having a depth from the surface layer S. The floating fish reef 2 is composed of a plurality of sub-mooring lines 3 suspended from the fish reef 2, an anchor 4 sunk on the seabed B, and a main mooring line 5 connecting the anchor 4 and the sub-mooring line 3. , Is moored to the anchor 4 via the sub mooring line 3 and the main mooring line 5, and is installed in a floating state in the sea. The main mooring line 5 may be a single line, or a plurality of lines may be connected in the length direction.

図２及び図３に示すように、主係留索５は、合成樹脂製繊維材からなる素線を複数本撚るなどしてストランドを作製し、このストランドを複数本撚ったり編んだりするなどして編成された索体Ａで形成される。 As shown in FIGS. 2 and 3, the main mooring line 5 prepares a strand by twisting a plurality of strands made of a synthetic resin fiber material, and twists or knits a plurality of the strands. It is formed of the cord A formed by the above.

索体Ａは、長さ方向に一定の外径寸法を有する。この索体Ａを用いる主係留索５には、浮魚礁２の設置時に、主係留索５の上端となるアイ加工部６と、このアイ加工部６から下方へ垂れ下がって、アンカー４に結合される主係留索５の下端に達する係留索部７とが備えられる。 The cord A has a constant outer diameter dimension in the length direction. When the floating fish reef 2 is installed, the main mooring rope 5 using the cord A has an eye processing portion 6 which is the upper end of the main mooring rope 5 and a hanging portion downward from the eye processing portion 6 and is connected to the anchor 4. A mooring line portion 7 that reaches the lower end of the main mooring line 5 is provided.

アイ加工部６には、浮魚礁２に一端が連結された複数の副係留索３の他端が一括して係止される。例えば、複数の副係留索３の他端をアイ加工部６に結び付ける等して、副係留索３はアイ加工部６に係止される。また、主係留索５の下端は、アンカー４に設けられた結合用金物４ａに結び付ける等して結合される（図１参照）。これにより、アンカー４と副係留索３とが主係留索５によって連結される。 The other ends of the plurality of sub-mooring lines 3 having one end connected to the floating fish reef 2 are collectively locked to the eye processing portion 6. For example, the sub-mooring line 3 is locked to the eye-processed portion 6 by connecting the other ends of the plurality of sub-mooring lines 3 to the eye-processed portion 6. Further, the lower end of the main mooring line 5 is connected to the connecting metal fitting 4a provided on the anchor 4 (see FIG. 1). As a result, the anchor 4 and the sub mooring line 3 are connected by the main mooring line 5.

アイ加工部６は、図３（Ａ）～（Ｃ）に示すようにして形成される。主係留索５の主体をなす一本の索体Ａ（図３（Ａ）参照）を、長さ方向一端部でＵ字状に屈曲させて折り返す（図３（Ｂ）参照）。この折り返しにより、屈曲箇所６ａから折り返した長さ分、Ｕ字状形態の索体部分６ｂが形成される。この索体部分６ｂでは、Ｕ字状の一方と他方とが互いに向かい合う。 The eye processing portion 6 is formed as shown in FIGS. 3A to 3C. One cord A (see FIG. 3A), which is the main body of the main mooring cord 5, is bent into a U shape at one end in the length direction and folded back (see FIG. 3B). By this folding back, a U-shaped cord portion 6b is formed by the length folded back from the bent portion 6a. In this cord portion 6b, one U-shaped one and the other face each other.

互いに向かい合う索体部分６ｂでは、索体Ａを編成しているストランドを相互に編み込むことにより、編み込み部８が形成される。この編み込み部８により、この編み込み部８と屈曲個所６ａとの間に環状のアイ部分９が形成される。すなわち、アイ加工部６は、編み込み部８と、この編み込み部８によって形成されるアイ部分９とを備えて構成される。編み込み部８は、当然ながら、主係留索５をなす索体Ａの外径寸法よりも大きな外径寸法を有する。副係留索３は詳細には、アイ加工部６のうち、アイ部分９に係止される。 In the cord portions 6b facing each other, the braided portion 8 is formed by weaving the strands forming the cord A to each other. The braided portion 8 forms an annular eye portion 9 between the braided portion 8 and the bent portion 6a. That is, the eye processing portion 6 includes a crochet portion 8 and an eye portion 9 formed by the crochet portion 8. The braided portion 8 naturally has an outer diameter dimension larger than the outer diameter dimension of the cord body A forming the main mooring cord 5. In detail, the sub-mooring line 3 is locked to the eye portion 9 of the eye processing portion 6.

そして、本実施形態にあっては、アイ加工部６の編み込み部８からアンカー４側へ向かう、編み込み部８よりも細径の索体Ａそのものである係留索部７には、当該係留索部７を包囲して補強部材１０が取り付けられる（図３（Ｃ）参照）。補強部材１０は、編み込み部８に隣接する位置からアンカー４に向かう適宜長さで形成されて、当該長さにわたり係留索部７に設けられる。 Then, in the present embodiment, the mooring cord portion 7 which is the cord A itself having a diameter smaller than that of the braided portion 8 toward the anchor 4 side from the braided portion 8 of the eye processing portion 6 is the mooring cord portion. A reinforcing member 10 is attached around the 7 (see FIG. 3C). The reinforcing member 10 is formed at an appropriate length from a position adjacent to the braided portion 8 toward the anchor 4, and is provided on the mooring line portion 7 over the length.

本実施形態では、補強部材１０はスリーブ形態で形成され、係留索部７に挿入して設けられる。編み込み部８と隣り合わせで配置される補強部材１０の長さ方向一端部は、紐材１１の巻き付けによって、編み込み部８と一括して主係留索５に固定される。補強部材１０の長さ方向他端部も、係留索部７への編み込みや紐材１２の巻き付けによって、主係留索５に固定される。さらに、編み込み部８とアイ部分９の一部も、それらの境界を含めて、紐材１３の巻き付けによって被覆固定がなされる。 In the present embodiment, the reinforcing member 10 is formed in a sleeve form and is provided by being inserted into the mooring line portion 7. One end of the reinforcing member 10 arranged adjacent to the braided portion 8 in the length direction is fixed to the main mooring line 5 together with the braided portion 8 by winding the string material 11. The other end of the reinforcing member 10 in the length direction is also fixed to the main mooring rope 5 by braiding around the mooring rope portion 7 or winding the string material 12. Further, a part of the braided portion 8 and the eye portion 9 is also covered and fixed by winding the string material 13, including the boundary between them.

補強部材１０は図４（Ａ）～（Ｃ）に示すようにして、金属製芯材１４を備えて構成される。金属製芯材１４は、漁業資機材に用いられるステンレス鋼よりも硬くて切れ難く、かつ耐腐食性を有する金属材料で形成される。例えば、芯材１４として、タングステン鋼やチタンを採用することが好ましい。 As shown in FIGS. 4A to 4C, the reinforcing member 10 includes a metal core material 14. The metal core material 14 is made of a metal material that is harder and harder to cut than stainless steel used for fishing materials and equipment, and has corrosion resistance. For example, it is preferable to use tungsten steel or titanium as the core material 14.

金属製芯材１４と、金属製芯材１４よりも細径の複数本の合成樹脂製素線１５を用いて（図４（Ａ）参照）、ストランド１６が形成される。合成樹脂製素線１５としては、例えばポリエチレン繊維が用いられる。 The strand 16 is formed by using the metal core material 14 and a plurality of synthetic resin strands 15 having a diameter smaller than that of the metal core material 14 (see FIG. 4A). As the synthetic resin wire 15, for example, polyethylene fiber is used.

ストランド１６は、芯材１４の周りにその長さ方向に沿って複数本の素線１５を配し、これら素線１５を芯材１４周りに撚って、当該芯材１４に素線１５を巻き付け固定して形成される（図４（Ｂ）参照）。この際、素線１５と芯材１４とは、接着などで両者を一体化する接合を一切行うことなく、素線１５がばらけてほつれる（解れる）ように、素線１５を撚って芯材１４に巻き付けるだけとされる。 The strand 16 has a plurality of strands 15 arranged around the core material 14 along the length direction thereof, these strands 15 are twisted around the core material 14, and the strands 15 are attached to the core material 14. It is formed by winding and fixing (see FIG. 4B). At this time, the wire 15 and the core material 14 are twisted so that the wire 15 can be disassembled and frayed (unraveled) without any bonding to integrate the two by bonding or the like. It is only wrapped around the core material 14.

その後、複数本のストランド１６を、例えば４８打・６４打構造でスリーブ形態に編成することで、補強部材１０が形成される（図４（Ｃ）参照）。このように作製された補強部材１０が、図３（Ｃ）に示すように、主係留索５の係留索部７に装着される。ストランド１６については、芯材１４と素線１５とを、それらの長さ方向の端部のみにおいて接着などにより一体的に接合しておき、スリーブ形態に編成した後、接合した部分を切除して、芯材１４と素線１５の一体化を解除するようにしても良い。 After that, the reinforcing member 10 is formed by knitting the plurality of strands 16 into a sleeve form having a structure of, for example, 48 strokes and 64 strokes (see FIG. 4C). As shown in FIG. 3C, the reinforcing member 10 thus produced is attached to the mooring line portion 7 of the main mooring line 5. For the strand 16, the core material 14 and the wire 15 are integrally bonded only at the ends in the length direction thereof by adhesive or the like, and after knitting into a sleeve form, the joined portion is cut off. , The integration of the core material 14 and the wire 15 may be released.

浮魚礁装置１が組立段階の場合には、上述したように、補強部材１０は、これを係留索部７に挿入することで、主係留索５に取り付けられる。浮魚礁装置１が海中で使用中の場合には、スリーブ形態の補強部材１０を布片のように平坦に畳み込み、この畳んだ補強部材１０を係留索部７の周囲に巻き付けた後、紐材等で巻き付け固定して取り付けるようにする。 When the floating fish reef device 1 is in the assembly stage, as described above, the reinforcing member 10 is attached to the main mooring line 5 by inserting the reinforcing member 10 into the mooring line portion 7. When the floating fish reef device 1 is being used in the sea, the sleeve-shaped reinforcing member 10 is folded flat like a piece of cloth, and the folded reinforcing member 10 is wound around the mooring line portion 7, and then the string material is used. Wrap it around and fix it with a wire.

次に、本実施形態に係る浮魚礁装置１の作用について説明する。浮魚礁２は波力を受けて動きが大きいため、主係留索５の上方部分には、曲げや折れなどの変形が加わり易くて、下方部分に比べ大きな負担がかかる。 Next, the operation of the floating fish reef device 1 according to the present embodiment will be described. Since the floating fish reef 2 receives a wave force and has a large movement, the upper portion of the main mooring line 5 is liable to be deformed by bending or breaking, and a greater burden is applied than the lower portion.

特に、主係留索５は、アイ加工部６の編み込み部８と係留索部７との境界で外径寸法が段違いに異なり、アイ加工部６は強度上問題がない一方で、境界となる編み込み部８からアンカー４にわたる係留索部７のうち、編み込み部８に近い係留索部７の部分に、耐用期間中に加わる外力によって屈曲や折れが生じるなどして疲労が蓄積し易い。これを考慮して、編み込み部８に近い係留索部７の部分を補強部材１０で補強するようにしている。 In particular, the main mooring rope 5 has different outer diameter dimensions at the boundary between the braided portion 8 and the mooring rope portion 7 of the eye processed portion 6, and the eye processed portion 6 has no problem in strength, but is crocheted as a boundary. Of the mooring rope portions 7 extending from the portion 8 to the anchor 4, the portion of the mooring cord portion 7 close to the braided portion 8 is likely to be bent or broken due to an external force applied during the service life, and fatigue is likely to accumulate. In consideration of this, the portion of the mooring cord portion 7 close to the braided portion 8 is reinforced by the reinforcing member 10.

さらに、主係留索５は、漁船等で使用される漁業資機材と接触することがあり、その際、疲労が蓄積する主係留索５の上方部分に接触すると損傷し易くなる。この点からも、編み込み部８に近い係留索部７の部分を補強部材１０で補強するようにしている。 Further, the main mooring line 5 may come into contact with fishing materials and equipment used in fishing boats and the like, and at that time, if it comes into contact with the upper portion of the main mooring line 5 where fatigue accumulates, it is easily damaged. From this point as well, the portion of the mooring cord portion 7 close to the braided portion 8 is reinforced by the reinforcing member 10.

このように補強部材１０で係留索部７を補強することにより、主係留索５が破断されることを防止して、浮魚礁２が漂流したり、回収作業に支障が生じることを未然に防ぐことができる。 By reinforcing the mooring line portion 7 with the reinforcing member 10 in this way, it is possible to prevent the main mooring line 5 from being broken, and prevent the floating fish reef 2 from drifting or hindering the recovery work. be able to.

また、補強部材１０は、編み込み部８からアンカー４に向かう適宜長さにわたって、すなわち外径寸法が段違いに細くなるという構造に起因して疲労が生じ易い個所に、しかも局部的に取り付けられて補強をするので、重量増加やコストアップとなる主係留索５自体の強度を増強する場合に比して、重量を抑制でき、またコストアップを招くことなく、取り扱い性良好に、主係留索５を補強することができる。 Further, the reinforcing member 10 is locally attached and reinforced over an appropriate length from the braided portion 8 toward the anchor 4, that is, at a location where fatigue is likely to occur due to the structure in which the outer diameter dimension is stepwise reduced. Therefore, compared to the case where the strength of the main mooring line 5 itself, which increases the weight and cost, can be suppressed, the weight can be suppressed, and the main mooring line 5 can be handled well without causing cost increase. Can be reinforced.

また、補強部材１０は、係留索部７を包囲して取り付けられるので、新しく設置する前の主係留索５の場合はもちろんのこと、海中に設置されている使用中の主係留索５であっても、巻き付けることによって、補強部材１０により適切に補強を行うことができる。 Further, since the reinforcing member 10 is attached by surrounding the mooring line portion 7, it is not only the main mooring line 5 before new installation but also the main mooring line 5 in use that is installed in the sea. However, by winding it, the reinforcing member 10 can appropriately reinforce it.

また、補強部材１０は、金属製芯材１４入りであるので、この芯材１４により、瞬間的に作用する曲げ力や折曲力による変形に抵抗させることができ、係留索部７に疲労が蓄積することを防止することができる。 Further, since the reinforcing member 10 contains the metal core material 14, the core material 14 can resist the deformation due to the bending force and the bending force acting momentarily, and the mooring line portion 7 is fatigued. It can be prevented from accumulating.

また、補強部材１０は、金属製芯材１４と合成樹脂製素線１５とを複合して形成したストランド１６で編成されるので、素線１５の滑り作用で柔軟性が発揮され、ゆっくりと緩やかに作用する曲げ力による変形に対し、高い屈曲性を確保することができる。 Further, since the reinforcing member 10 is knitted with strands 16 formed by combining a metal core material 14 and a synthetic resin wire 15, flexibility is exhibited by the sliding action of the wire 15, and the reinforcing member 10 is slowly and gently formed. It is possible to secure high flexibility against deformation due to the bending force acting on the.

また、補強部材１０のストランド１６は、金属製芯材１４に合成樹脂製素線１５を撚って巻き付け固定するようにして、両者を一体化する接合を行っていないので、両者を一体に接合した場合に比して、切断に対する耐久性を向上することができる。 Further, since the strand 16 of the reinforcing member 10 is not joined by twisting and winding the synthetic resin wire 15 around the metal core material 14 to fix them, the two are joined together. It is possible to improve the durability against cutting as compared with the case where the metal is used.

詳細には、切断作用が加わる際、素線１５と芯材１４の両者が一体の構造では融通性がなく、せん断が素線１５にも芯材１４にも直ちに作用してしまうのに対し、本実施形態のストランド１６では、最初に複数の素線１５がばらけて解れていき、素線１５に抵抗作用が無くなるあたりから、次第に芯材１４にせん断が作用していくので、切断に至るまでの耐久時間を延ばすことができる。 Specifically, when the cutting action is applied, there is no flexibility in the structure in which both the wire 15 and the core 14 are integrated, and shearing acts immediately on both the wire 15 and the core 14. In the strand 16 of the present embodiment, the plurality of strands 15 are first separated and unraveled, and from the point where the resistance action disappears on the strands 15, shearing gradually acts on the core material 14, leading to cutting. It is possible to extend the endurance time until.

また、金属製芯材１４がステンレス鋼よりも硬い金属材料、例えばタングステン鋼などであるので、曲げや折れに対する高い抵抗力を発揮し、主係留索５に蓄積される疲労を軽減することができると共に、漁業資機材が接触しても主係留索５への損傷を抑制することができる。 Further, since the metal core material 14 is a metal material harder than stainless steel, such as tungsten steel, it can exhibit high resistance to bending and breaking and reduce fatigue accumulated in the main mooring line 5. At the same time, damage to the main mooring line 5 can be suppressed even if fishing materials and equipment come into contact with each other.

上記実施形態にあっては、補強部材１０として、スリーブ形態のものを例示して説明したが、上記ストランド１６を布形態に編成して形成しても良いことはもちろんである。 In the above embodiment, the reinforcing member 10 having a sleeve form has been exemplified, but it is needless to say that the strand 16 may be knitted into a cloth form to form the reinforcing member 10.

１ 浮魚礁装置
２ 浮魚礁
３ 副係留索
４ アンカー
５ 主係留索
６ アイ加工部
６ｂ 索体部分
７ 係留索部
８ 編み込み部
１０ 補強部材
１４ 金属製芯材
１５ 合成樹脂製素線
１６ ストランド
Ａ 索体
Ｂ 海底 1 Floating fish reef device 2 Floating fish reef 3 Sub mooring line 4 Anchor 5 Main mooring line 6 Eye processing part 6b Cable body part 7 Mooring line part 8 Braided part 10 Reinforcing member 14 Metal core material 15 Synthetic resin wire 16 Strand A line Body B undersea

Claims (3)

浮魚礁に設けられる副係留索と、海底に沈設されるアンカーとを連結して、該浮魚礁を浮遊状態で係留する主係留索を有する浮魚礁装置であって、
上記主係留索は、合成樹脂製繊維材を編成した索体で形成され、上記副係留索を係止するアイ加工部と、該アイ加工部と上記アンカーとの間をつなぐ係留索部とを備え、
上記アイ加工部は、上記索体を長さ方向一端部でＵ字状に折り返し、折り返しで互いに向かい合う索体部分を相互に編み込んで、上記係留索部の外径寸法よりも大きな外径寸法で形成される編み込み部を含み、
上記係留索部には、上記編み込み部から上記アンカーに向かう適宜長さにわたり、該係留索部を包囲して金属製芯材入りの補強部材が取り付けられ、
前記補強部材は、前記金属製芯材周りにその長さ方向に沿って配した複数本の合成樹脂製素線を、該金属製芯材に接合することなく、当該金属製芯材に、ばらけて解れるように撚って巻き付け固定したストランドで編成されることを特徴とする浮魚礁装置。 A floating fish reef device having a main mooring line that connects a sub mooring line provided on a floating fish reef and an anchor sunk on the seabed to moor the floating fish reef in a floating state.
The main mooring rope is formed of a cord made of a synthetic resin fiber material, and has an eye-processed portion for locking the sub-mooring cord and a mooring cord portion for connecting the eye-processed portion and the anchor. Prepare,
In the eye processing portion, the cord is folded back in a U shape at one end in the length direction, and the cord portions facing each other are crocheted to each other by folding back, so that the outer diameter is larger than the outer diameter of the mooring cord. Including the braided part to be formed
A reinforcing member containing a metal core material is attached to the mooring cord portion so as to surround the mooring cord portion over an appropriate length from the braided portion to the anchor.
In the reinforcing member, a plurality of synthetic resin strands arranged around the metal core material along the length direction are separated into the metal core material without being joined to the metal core material. A floating fish reef device characterized by being knitted with strands that are twisted, wound, and fixed so that they can be unraveled. 前記補強部材は、複数本の前記ストランドをスリーブ形態に編成して形成されることを特徴とする請求項１に記載の浮魚礁装置。 The floating fish reef device according to claim 1, wherein the reinforcing member is formed by knitting a plurality of the strands in a sleeve form. 前記金属製芯材は、ステンレス鋼よりも硬い、耐腐食性金属材料で形成されることを特徴とする請求項１または２に記載の浮魚礁装置。 The floating fish reef device according to claim 1 or 2, wherein the metal core material is made of a corrosion-resistant metal material that is harder than stainless steel.
JP2017123315A 2017-06-23 2017-06-23 Floating fish reef device Active JP7007680B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017123315A JP7007680B2 (en) 2017-06-23 2017-06-23 Floating fish reef device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017123315A JP7007680B2 (en) 2017-06-23 2017-06-23 Floating fish reef device

Publications (2)

Publication Number Publication Date
JP2019004757A JP2019004757A (en) 2019-01-17
JP7007680B2 true JP7007680B2 (en) 2022-01-25

Family

ID=65025526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017123315A Active JP7007680B2 (en) 2017-06-23 2017-06-23 Floating fish reef device

Country Status (1)

Country Link
JP (1) JP7007680B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102218404B1 (en) * 2020-08-20 2021-02-19 김정호 wire rope
KR102218399B1 (en) * 2020-08-20 2021-02-19 김정호 wire rope

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160168786A1 (en) 2013-07-29 2016-06-16 Braskem S.A. Cable and method for manufacturing a synthetic cable

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002051665A (en) * 2000-08-09 2002-02-19 Asahi Kasei Corp Floating fishing bank

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160168786A1 (en) 2013-07-29 2016-06-16 Braskem S.A. Cable and method for manufacturing a synthetic cable

Also Published As

Publication number Publication date
JP2019004757A (en) 2019-01-17

Similar Documents

Publication Publication Date Title
US9951447B2 (en) Jacket for a lengthy body
ES2936391T3 (en) a mooring member
JP7007680B2 (en) Floating fish reef device
TW201909503A (en) Pull-in head assembly
US8950350B2 (en) Extensible shield for protecting the attachment ends of a stretchable mooring rode segment
JP2020524977A (en) Retracting head assembly
EP1015929B1 (en) Method and apparatus for joining underwater cable
EP2673414B1 (en) Braided rope, suitable to be used as a towing warp, comprising changing properties in the length direction thereof
JP5745905B2 (en) Floating body mooring device
TW201909504A (en) Pull-in head assembly
EP1456462B1 (en) Cable
WO2016089215A1 (en) Mooring, lifting and/or towing line and method for making the same
EP2712800B1 (en) A floating object provided with a permanent mooring system and a mooring line
JP4790531B2 (en) Mooring line structure and mooring line attachment method
JP4688452B2 (en) Elastic mooring lines
Graves Hemp-versus iron-covered cables
KR101626844B1 (en) Rope Stopper and manufacturing method thereof
KR101607839B1 (en) Device for Protecting Equipment of Offshore Structure
JP2023149990A (en) mooring rope
JP2020039254A (en) Installation construction method for floating fish reef
JP2021527767A (en) Underwater mooring line
JP2007146892A (en) Marine hose
JP2008281092A (en) Rubber hose
CN105625071A (en) Deep sea fiber rope facilitating shackle releasing

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200513

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210629

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210818

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20211214

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20211224

R150 Certificate of patent or registration of utility model

Ref document number: 7007680

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150