JP3490373B2 - Protection tube for submarine cable - Google Patents
Protection tube for submarine cableInfo
- Publication number
- JP3490373B2 JP3490373B2 JP2000065788A JP2000065788A JP3490373B2 JP 3490373 B2 JP3490373 B2 JP 3490373B2 JP 2000065788 A JP2000065788 A JP 2000065788A JP 2000065788 A JP2000065788 A JP 2000065788A JP 3490373 B2 JP3490373 B2 JP 3490373B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- pipe
- submarine cable
- lid
- fitting
- 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 - Fee Related
Links
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Electric Cable Installation (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、海底に敷設された
海底ケーブルに被着する海底ケーブル用保護管に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a submarine cable protection tube attached to a submarine cable laid on the seabed.
【０００２】[0002]
【従来の技術】従来、例えば島から島へ海底ケーブルを
敷設する場合、水深の深いところは良いが、島近くの浅
い付近の海底では、船底や錨が海底ケーブルに接触して
該海底ケーブルを損傷させ事故を起す危険が有ることか
ら、その付近の海底ケーブルには複数の保護管を被着す
るようにしている。2. Description of the Related Art Conventionally, for example, when laying a submarine cable from one island to another, it is good to have deep water, but at the shallow bottom near the island, the bottom of the ship or anchor will contact the submarine cable and Since there is a risk of damaging and causing an accident, multiple protective tubes are attached to the submarine cable in the vicinity.
【０００３】前記保護管は、半円筒状をなす管本体と管
蓋体とからなり、これらは鋳物により成形されていた。
そして、海底ケーブルにその両側から管本体と管蓋体と
を被着し、複数のボルトとナットにより管本体と管蓋体
とを一体に接合し、順次同じ作業を繰り返すことにより
海底ケーブルに所定の長さに亘って保護管を連接被着し
ている。The protection tube comprises a semi-cylindrical tube body and a tube lid, which are formed by casting.
Then, the pipe body and the pipe lid are attached to the submarine cable from both sides thereof, the pipe body and the pipe lid are integrally joined with a plurality of bolts and nuts, and the same work is repeated in sequence to determine the submarine cable. The protective tube is continuously attached over the length of.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、前記保
護管は鋳物で成形されているので、海水により腐食を起
し易くて耐用年数が短く、しかも管本体と管蓋体とをボ
ルトとナットにより接合していたので、締付けに多くの
手間と時間を要し、作業性が極めて悪かった。また、保
護管は円筒形に成形されていたので、潮の流れにより移
動し易く、これにより海底ケーブルに張力が加わり好ま
しいことではなかった。そこで、本発明は上記課題を解
決すべくなされたもので、海水による腐食がほとんどな
く長期使用に充分耐え、作業性も向上し、しかも潮の流
れにも影響を受けない海底ケーブル用保護管を提供する
ことを目的とするものである。However, since the protective tube is formed of a casting, it is easily corroded by seawater and has a short service life, and the tube body and the tube lid are joined by bolts and nuts. However, it took a lot of time and effort to tighten it, and the workability was extremely poor. In addition, since the protection tube is formed in a cylindrical shape, it is easy to move due to the flow of tide, which causes tension on the submarine cable, which is not preferable. Therefore, the present invention has been made to solve the above problems, and a submarine cable protection tube that is hardly corroded by seawater, withstands long-term use, has improved workability, and is not affected by the flow of tide. It is intended to be provided.
【０００５】[0005]
【課題を解決するための手段】かかる目的を達成するた
め、本発明に係る海底ケーブル用保護管は、管本体と管
蓋体とを互いに接合して海底ケーブルに被着するように
した保護管であって、前記管本体と管蓋体とは、合成樹
脂により成形され、互いの接合面に合致して海底ケーブ
ルが挿通される半割状の凹溝が設けられ、両端部にはそ
れぞれ保護管を屈曲自在に連通し得る嵌合凸部と嵌合凹
部が設けられ、また管本体と管蓋体との両側壁の重合部
位には互いに連通する通孔が開設され、更に、前記管本
体と管蓋体とは接合面と対向する面が開口する空胴状に
成形され、これら開口を介して各空胴内部に鉄筋を配設
すると共にセメントを充填してなり、前記各連通する通
孔に連結ピンを打ち込むことにより管本体と管蓋体とを
一体に接合できる構成とした。このように合成樹脂製と
すると共に空胴部内にセメントを充填したので海水によ
る腐食が防止され、また管本体と管蓋体とを連結ピンの
打ち込みのみで接合できるようにして作業を容易かつ迅
速に行なえるようになった。しかも、強度的に優れ安定
する。In order to achieve the above object, a protective tube for a submarine cable according to the present invention is a protective tube adapted to be attached to a submarine cable by joining a tube body and a tube lid body to each other. The pipe body and the pipe lid are molded of synthetic resin, and are provided with half-groove-shaped concave grooves that match the joint surfaces of the pipe and through which the submarine cable is inserted, and both ends are protected. A fitting convex portion and a fitting concave portion capable of communicating the pipe in a bendable manner are provided, and through holes communicating with each other are formed in overlapping portions of both side walls of the pipe main body and the pipe lid body. The tube lid and the tube lid are formed into cavities that open at the surface facing the joint surface, and reinforcing rods are placed inside each cavity through these openings and cement is filled into the cavities. The pipe body and the pipe lid can be integrally joined by driving the connecting pin into the hole. It was formed. In this way, because it is made of synthetic resin and the cavity is filled with cement, corrosion due to seawater is prevented, and the pipe body and pipe lid can be joined only by driving the connecting pin, making the work easy and quick. You can now go to. Moreover, the strength is excellent and stable.
【０００６】また、管本体と管蓋体とを接合して合致す
る凹溝により形成される挿通孔と直交する断面形状が海
底底面で回転しにくい多角形に形成されていることが好
ましい。多角形としては、三角形、四角形、五角形のい
ずれかが選ばれる。これにより、潮の流れにもほとんど
影響を受けず、海底ケーブルが移動して無用に張力が加
わることがない。Further, it is preferable that a cross-sectional shape orthogonal to an insertion hole formed by a concave groove formed by joining and fitting the pipe body and the pipe lid is formed in a polygonal shape which is hard to rotate on the bottom surface of the seabed. As the polygon, any one of a triangle, a quadrangle and a pentagon is selected. As a result, the submarine cable is hardly affected by the tidal flow and tension is not applied unnecessarily.
【０００７】[0007]
【発明の実施の形態】以下、本発明に係る海底ケーブル
用保護管の実施の形態を図面に基づき説明する。図１は
保護管の分解斜視図である。該保護管Ａは、管本体１と
該管本体１に被さるようにして接合される管蓋体２とか
らなる。前記管本体１は、図２ないし図４に示されるよ
うに合成樹脂により縦長略直方体形をなし空胴状に成形
され、底壁１ａに空胴内部３と連なる長方形の開口４が
開設されている。そして、図１に示されるように接合面
である上面に後記する海底ケーブルＫを挿通するための
半割状の凹溝５が長手方向に沿って設けられている。ま
た、両側壁１ｂ，１ｂの長手方向の両端上半部に切欠凹
部６，６が形成され、その下方に前記凹溝５と連なる連
結溝７を有する嵌合凸部８と嵌合凹部９が設けられる。
前記両側壁１ｂ，１ｂの上端縁の中央部に窪部１０が形
成され、また、両側壁１ｂ，１ｂの上端部であって長手
方向の両側にそれぞれ互いに対向位置して連通し得る通
孔１１，１１が開設されている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a protective tube for a submarine cable according to the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of a protection tube. The protection tube A is composed of a tube body 1 and a tube lid body 2 which is joined so as to cover the tube body 1. As shown in FIGS. 2 to 4, the tube body 1 is made of synthetic resin and has a vertically long, substantially rectangular parallelepiped shape, and is formed in a hollow shape. A rectangular opening 4 is formed in the bottom wall 1a so as to connect to the inside 3 of the hollow. There is. Then, as shown in FIG. 1, a half-divided groove 5 for inserting a below-described submarine cable K is provided along the longitudinal direction on the upper surface which is the joining surface. Further, notch recesses 6 and 6 are formed in upper half portions of both ends of both side walls 1b and 1b in the longitudinal direction, and a fitting protrusion 8 and a fitting recess 9 having a connecting groove 7 continuous with the recessed groove 5 are formed below the notch recesses 6 and 6. It is provided.
A recess 10 is formed in the center of the upper edge of each of the side walls 1b, 1b, and a through hole 11 is formed at the upper end of each of the side walls 1b, 1b so as to be opposed to each other on both sides in the longitudinal direction. , 11 have been opened.
【０００８】図２において、１２は前記管本体１の空胴
内部３に配設される鉄筋であり、側面門状の骨筋１３を
複数個等間隔に配置すると共にこれらに３本の支筋１４
を溶接することにより枠組みされる。そして、図３に示
されるように管本体１を上下逆にして底壁１ａの開口４
を介して空胴内部３に前記鉄筋１２を配設する。この
際、該鉄筋１２は前記底壁１ａ面より外方へ突出しない
ようになっている。そして、この状態で、図４に示すよ
うに前記開口４を介して空胴内部３に、上面が底壁１ａ
上面と同一面となるまでセメントＳを充填し、所定時間
養生を行う。In FIG. 2, reference numeral 12 denotes a reinforcing bar arranged inside the cavity 3 of the tube body 1, and a plurality of lateral portal-shaped bone muscles 13 are arranged at equal intervals and three supporting bars are provided to these. 14
It is framed by welding. Then, as shown in FIG. 3, the tube body 1 is turned upside down and the opening 4 of the bottom wall 1a is opened.
The rebar 12 is disposed inside the cavity 3 via the. At this time, the reinforcing bar 12 does not project outward from the surface of the bottom wall 1a. Then, in this state, as shown in FIG. 4, the upper surface is the bottom wall 1a in the cavity interior 3 through the opening 4.
Cement S is filled until it becomes the same surface as the upper surface, and curing is performed for a predetermined time.
【０００９】次に管蓋体２は、図５ないし図７に示され
るように、同じく合成樹脂により成形され前記管本体１
の上面に被さる大きさで略縦長平板状をなし空胴状に成
形され、天壁２ａに空胴内部１７と連なる長方形の開口
１８が開設されている。そして、図示されるように接合
面である下面に海底ケーブルＫを挿通するための半割状
の凹溝１９が長手方向に沿って設けられている。また、
長手方向に沿った両端部に凹溝１９と連なる連結溝２０
を有しかつ前記管本体１の各嵌合凸部８と嵌合凹部９に
被さる嵌合凸部２１と嵌合凹部２２が設けられる。これ
ら嵌合凸部２１と嵌合凹部２２間の両側壁２ｂ，２ｂの
横幅は前記管本体１の凹溝５に嵌入する寸法に形成さ
れ、これら両側壁２ｂ，２ｂの外側面略中央に管本体１
の各窪部１０に嵌合する突条２３が突設されている。ま
た、両側壁２ｂ，２ｂの上端部であって長手方向の両側
にそれぞれ互いに対向位置して連通し得る通孔２４，２
４が開設されている。これら通孔２４は管本体１の各通
孔１１と連通することとなる。Next, as shown in FIGS. 5 to 7, the tube lid body 2 is similarly molded from synthetic resin and the tube body 1 is formed.
Is formed in a substantially vertically long flat plate-like shape and has a rectangular opening 18 which is continuous with the inside 17 of the cavity. Then, as shown in the drawing, a half-groove-shaped concave groove 19 for inserting the submarine cable K is provided in the lower surface which is a joint surface along the longitudinal direction. Also,
Connection groove 20 continuous with the concave groove 19 at both ends along the longitudinal direction
And a fitting convex portion 21 and a fitting concave portion 22 which cover the fitting convex portion 8 and the fitting concave portion 9 of the pipe main body 1. The lateral widths of the side walls 2b, 2b between the fitting convex portion 21 and the fitting concave portion 22 are formed so as to fit in the concave grooves 5 of the pipe body 1, and the pipes are formed substantially in the center of the outer surfaces of the side walls 2b, 2b. Body 1
The protrusions 23 that fit into the respective recesses 10 are provided. In addition, through holes 24, 2 which are located at the upper ends of the both side walls 2b, 2b and can communicate with each other on both sides in the longitudinal direction so as to face each other.
4 has been opened. These through holes 24 communicate with the through holes 11 of the pipe body 1.
【００１０】図５において、２５は前記管蓋体２の空胴
内部１７に配設される鉄筋であり、前記と同様に側面門
状の骨筋２６を複数個等間隔に配置すると共にこれらに
三本の支筋２７を溶接することにより枠組みされる。そ
して、図６に示されるように管蓋体２の上面開口１８を
介して空胴内部１７に前記鉄筋２５を配設し、更に両側
壁２ｂ，２ｂの各通孔２４にその間に差し渡されるよう
にしてピン２８を打ち込む。これらピン２８は管蓋体２
１内に充填されるセメントＳ層にも通孔２４と連通する
連通孔２９が設けられるようにするため仮に差し込んで
おくためのものである。そして、成形後には抜かれる。
次に、この状態で図７に示されるように前記開口１８を
介して空胴内部１７に上面が天壁２ａ上面と同一面とな
るまでセメントＳを充填し、所定時間養生を行う。そし
て、養生が終了した後、、前記各ピン２８を各通孔２４
から抜き取る。この場合、各通孔２４に差し込まれたピ
ン２８はその先端部が通孔２４より外側へ突出している
ことが好ましい。このようにして、図１に示されるよう
に管本体１と管蓋体２とが完成する。In FIG. 5, reference numeral 25 denotes a reinforcing bar disposed inside the cavity 17 of the tube cover 2, and a plurality of lateral portal-shaped bone muscles 26 are arranged at equal intervals in the same manner as described above. It is framed by welding the three support bars 27. Then, as shown in FIG. 6, the reinforcing bars 25 are arranged in the cavity 17 through the upper surface opening 18 of the tube lid body 2 and further passed through the through holes 24 of the both side walls 2b, 2b therebetween. In this way, the pin 28 is driven in. These pins 28 are the tube lid 2
This is for temporarily inserting the cement S layer filled in 1 so that the communicating hole 29 communicating with the communicating hole 24 is provided. Then, it is removed after molding.
Next, in this state, as shown in FIG. 7, cement S is filled into the cavity interior 17 through the opening 18 until the upper surface is flush with the upper surface of the ceiling wall 2a, and curing is performed for a predetermined time. After the curing is completed, the pins 28 are inserted into the through holes 24.
Remove from In this case, it is preferable that the tip end of the pin 28 inserted into each through hole 24 projects outward from the through hole 24. In this way, the tube body 1 and the tube lid body 2 are completed as shown in FIG.
【００１１】次に、上記構成からなる保護管Ａを海底ケ
ーブルＫに被着する方法について説明する。図８におい
てＫは海底ケーブルであり、まず管本体１を海底ケーブ
ルＫの下側に配置して凹溝５内に海底ケーブルＫを挿通
し、更にその上から凹溝１９に海底ケーブルＫを挿通さ
せて管蓋体２を管本体１の上面に接合させ、連通する各
通孔１１，２４に連結ピン３０を差し込む。これによ
り、図９，図１０に示されるように管本体１と管蓋体２
とが一体に結合され、保護管Ａ内に両凹溝５，１９によ
り形成され海底ケーブルＫが挿通される挿通孔３１が設
けられる。また、保護管Ａの外周面、すなわち挿通孔３
１と直交する断面形状は略四角形をなしている。このよ
うにして同じ作業を繰り返し隣接する保護管Ａ，Ａ同志
を近づけ、一方の保護管Ａの後側の嵌合凹部９，２２に
他方の保護管Ａの前側の嵌合凸部８，２１を嵌合させつ
つ図１１に示されるように多数の保護管Ａ，Ａ…を連接
する。これら嵌合凸部８，２１と嵌合凹部９，２２は互
いに半球面状に摺接するので、この部分を界として、両
保護管Ａ，Ａが屈曲自在となり、海底Ｂでの地形に無理
なく合わせられる。また、保護管Ａ、すなわち挿通孔３
１が合成樹脂の壁により成形されることになるので、内
周面が滑らかとなり、海底ケーブルＫのズレによる表面
のキズなどの発生も防止できる。Next, a method of attaching the protection tube A having the above-mentioned structure to the submarine cable K will be described. In FIG. 8, K is a submarine cable. First, the pipe body 1 is arranged below the submarine cable K, the submarine cable K is inserted into the groove 5, and then the submarine cable K is inserted into the groove 19 from above. Then, the tube lid body 2 is joined to the upper surface of the tube body 1, and the connecting pin 30 is inserted into the communicating through holes 11 and 24. As a result, as shown in FIG. 9 and FIG.
And are integrally connected, and an insertion hole 31 which is formed by the both recessed grooves 5 and 19 and through which the submarine cable K is inserted is provided in the protection tube A. Further, the outer peripheral surface of the protective tube A, that is, the insertion hole 3
The cross-sectional shape orthogonal to 1 is substantially quadrangular. In this way, the same work is repeated to bring the adjacent protective tubes A and A close to each other, and the fitting concave portions 9 and 22 on the rear side of the one protective tube A are fitted to the fitting convex portions 8 and 21 on the front side of the other protective tube A. 11 are connected, and a large number of protective tubes A, A ... Are connected to each other as shown in FIG. Since the fitting convex portions 8 and 21 and the fitting concave portions 9 and 22 are slidably in contact with each other in a hemispherical shape, both protection tubes A and A can be freely bent with this portion as a boundary, and the topography on the seabed B can be comfortably performed. Can be matched. In addition, the protective tube A, that is, the insertion hole 3
Since 1 is molded by the wall of synthetic resin, the inner peripheral surface becomes smooth, and it is possible to prevent the occurrence of surface scratches due to the displacement of the submarine cable K.
【００１２】このように保護管Ａは、各通孔１１，２４
に連結ピン３０を打ち込むのみで管本体１と管蓋体２と
が一体に接合できるので、海底ケーブルＫへの被着作業
が容易となり、多くの手間と時間も掛からず作業が迅速
に行なえる。また、保護管Ａの挿通孔３１と直交する断
面形状を四角形とし、海底Ｂ底面で回転しにくいように
したが、この条件を満たすものであれば他に三角形また
は五角形に成形しても良いことは勿論である。As described above, the protective tube A is provided with the through holes 11, 24.
Since the pipe body 1 and the pipe lid 2 can be integrally joined simply by driving the connecting pin 30 into the pipe, the work of attaching to the submarine cable K becomes easy, and the work can be performed quickly without much labor and time. . Moreover, the cross-sectional shape orthogonal to the insertion hole 31 of the protection tube A is made into a quadrangle so that it is hard to rotate at the bottom of the seabed B, but if it satisfies this condition, it may be formed into another triangle or pentagon. Of course.
【００１３】[0013]
【発明の効果】本発明に係る海底ケーブル用保護管は、
上記構成よりなるので、次のような効果を有する。
管本体を合成樹脂により成形し、しかも空胴内部に
鉄筋を配設すると共にセメントを充填するようにしたの
で海水による腐食が防止され長期使用が可能となり、ま
た通孔に連結ピンを打ち込むのみで管本体が接合・組立
てられるので、作業が容易かつ迅速に行なえ作業能率が
向上し、引いては安全性も高められる。更には、強度的
に優れ頑強なものとなり、極めて安定する。
保護管の挿通孔と直交する断面形状が海底底面で回
転しにくい多角形に形成されているので、潮の流れの強
い場所でもほとんど影響を受けず、無用に海底ケーブル
が移動することがない。これにより、海底ケーブルの切
断事故なども防止できる。The protection tube for a submarine cable according to the present invention is
Since it has the above-mentioned configuration, it has the following effects. Since the pipe body was molded with synthetic resin, and the reinforcing rod was placed inside the cavity and the cement was filled, corrosion due to seawater was prevented and long-term use was possible, and by simply connecting the connecting pin into the through hole. Since the pipe body is joined and assembled, the work can be performed easily and quickly, the work efficiency is improved, and the safety is also improved. Furthermore, it becomes excellent in strength and robust and extremely stable. Since the cross-sectional shape orthogonal to the insertion hole of the protection tube is formed in a polygon shape that does not easily rotate on the bottom of the seabed, it is hardly affected even in places with strong tide and the submarine cable does not move unnecessarily. As a result, it is possible to prevent accidents such as cutting of the submarine cable.
【図１】保護管の分解斜視図。FIG. 1 is an exploded perspective view of a protection tube.
【図２】管本体の成形方法を示す斜視図。FIG. 2 is a perspective view showing a method for molding a tube body.
【図３】管本体の成形方法を示す斜視図。FIG. 3 is a perspective view showing a method of molding a tube body.
【図４】管本体の成形方法を示す斜視図。FIG. 4 is a perspective view showing a method for molding a tube body.
【図５】管蓋体の成形方法を示す斜視図。FIG. 5 is a perspective view showing a method of forming a tube lid body.
【図６】管蓋体の成形方法を示す斜視図。FIG. 6 is a perspective view showing a method of forming a tube lid body.
【図７】管蓋体の成形方法を示す斜視図。FIG. 7 is a perspective view showing a method of forming a tube lid body.
【図８】保護管を海底ケーブルに被着した状態を示す斜
視図。FIG. 8 is a perspective view showing a state in which a protection tube is attached to a submarine cable.
【図９】同縦断面図。FIG. 9 is a longitudinal sectional view of the same.
【図１０】同横断面図。FIG. 10 is a cross-sectional view of the same.
【図１１】多数の保護管を海底ケーブルに被着した使用
状態図。FIG. 11 is a usage state diagram in which a large number of protection tubes are attached to a submarine cable.
１ 管本体 １ｂ 側壁 ２ 管蓋体 ２ｂ 側壁 ３ 空胴部 ４ 開口 ８ 嵌合凸部 ９ 嵌合凹部 １１ 通孔 １２ 鉄筋 １７ 空胴部 １８ 開口 ２１ 嵌合凸部 ２２ 嵌合凹部 ２４ 通孔 ２５ 鉄筋 ３０ 連結ピン Ａ 保護管 Ｋ 海底ケーブル Ｓ セメント 1 tube body 1b Side wall 2 Tube lid 2b Side wall 3 cavity 4 openings 8 Fitting convex part 9 Fitting recess 11 through holes 12 rebar 17 cavity 18 openings 21 Fitting convex part 22 Fitting recess 24 through holes 25 rebar 30 connecting pins A protection tube K submarine cable S cement
───────────────────────────────────────────────────── フロントページの続き (72)発明者 饒波 幸男 沖縄県浦添市牧港５丁目２番１号 沖縄 電力株式会社内 (72)発明者 諸見 一徳 沖縄県宜野湾市宜野湾３丁目２番16号 光南建設株式会社内 (72)発明者 真栄城 嘉訓 沖縄県那覇市泊３丁目８番地１ (72)発明者 中村 充秀 福岡県筑後市大字前津838番地の29 (56)参考文献 特開 昭50−125518（ＪＰ，Ａ) 特開 昭55−131210（ＪＰ，Ａ) 特開 平７−222338（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02G 9/02 F16L 57/00 H02G 1/10 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Yukio Rinba 5-2-1 Makiminato, Urasoe City, Okinawa Prefecture Okinawa Electric Power Co., Inc. (72) Ichito Moromi 3-2-1 Ginowan, Ginowan City, Okinawa Prefecture No. 16 Konan Construction Co., Ltd. (72) Inventor Maejo Yoshinori 3-8 Tomari, 1-8, Naha City, Okinawa Prefecture (72) Inventor Mitsuhide Nakamura 29, 838 Maezu, Chikugo City, Fukuoka Prefecture (56) References JP-A-50-125518 (JP, A) JP-A-55-131210 (JP, A) JP-A-7-222338 (JP, A) (58) Fields investigated (Int.Cl. 7 , DB name) H02G 9/02 F16L 57/00 H02G 1/10
Claims (2)
ケーブルに被着するようにした保護管であって、前記管
本体と管蓋体とは、合成樹脂により成形され、互いの接
合面に合致して海底ケーブルが挿通される半割状の凹溝
が設けられ、両端部にはそれぞれ保護管を屈曲自在に連
通し得る嵌合凸部と嵌合凹部が設けられ、また管本体と
管蓋体との両側壁の重合部位には互いに連通する通孔が
開設され、更に、前記管本体と管蓋体とは接合面と対向
する面が開口する空胴状に成形され、これら開口を介し
て各空胴内部に鉄筋を配設すると共にセメントを充填し
てなり、前記各連通する通孔に連結ピンを打ち込むこと
により管本体と管蓋体とを一体に接合できるようにした
ことを特徴とする海底ケーブル用保護管。1. A protective tube in which a pipe body and a pipe lid are joined to each other so as to be attached to a submarine cable, wherein the pipe body and the pipe lid are molded of synthetic resin, and A half-groove-shaped concave groove that matches the joint surface and through which the submarine cable is inserted is provided, and both ends are provided with a fitting convex portion and a fitting concave portion that can flexibly communicate with the protective tube, respectively. Through holes that communicate with each other are formed in the overlapping portions on both side walls of the main body and the tube lid body, and further, the tube body and the tube lid body are formed in a cavity shape in which the surfaces facing the joint surface are open, Reinforcing rods are placed inside each cavity through these openings and cement is filled, and the pipe body and the pipe lid can be integrally joined by driving the connecting pins into the communicating holes. A protective tube for submarine cables characterized by
溝により形成される挿通孔と直交する断面形状が海底底
面で回転しにくい多角形に形成される請求項１記載の海
底ケーブル用保護管。2. The seabed according to claim 1, wherein a cross-sectional shape orthogonal to an insertion hole formed by a concave groove formed by joining and fitting the pipe main body and the pipe lid is formed in a polygon that is hard to rotate on the bottom of the seabed. Cable protection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000065788A JP3490373B2 (en) | 2000-03-09 | 2000-03-09 | Protection tube for submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000065788A JP3490373B2 (en) | 2000-03-09 | 2000-03-09 | Protection tube for submarine cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001258141A JP2001258141A (en) | 2001-09-21 |
| JP3490373B2 true JP3490373B2 (en) | 2004-01-26 |
Family
ID=18585256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000065788A Expired - Fee Related JP3490373B2 (en) | 2000-03-09 | 2000-03-09 | Protection tube for submarine cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3490373B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022585B (en) * | 2010-11-17 | 2012-09-26 | 中国海洋石油总公司 | Submarine pipeline buckling preventing device, and manufacturing method and mounting method thereof |
| TWI343455B (en) | 2010-11-30 | 2011-06-11 | Yuan Hung Wen | Flexible cable protector |
| CN109707996A (en) * | 2018-12-24 | 2019-05-03 | 中国电建集团山东电力建设第一工程有限公司 | A kind of station boiler installation oxygen belt, acetylene belt connecton layout |
| CN114475920A (en) * | 2022-03-10 | 2022-05-13 | 中天科技海缆股份有限公司 | Dynamic submarine cable assembly based on floating fan and wind power system thereof |
| CN117810894B (en) * | 2024-01-02 | 2024-07-12 | 江苏亨通高压海缆有限公司 | Submarine cable protection device |
-
2000
- 2000-03-09 JP JP2000065788A patent/JP3490373B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001258141A (en) | 2001-09-21 |
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