KR101085519B1 - Submarine cable protector - Google Patents

Abstract

The present invention relates to a submarine cable protection tube, and in detail, in the submarine cable protection tube of which the upper body and the lower body are assembled to form a tubular shape so as to wrap and protect various cables installed on the seabed, the upper body and the lower body of the A plurality of fastening rings having an annular shape is provided on the lower body side of the joint surfaces which are in contact with each other during assembly, and an insertion groove for inserting the fastening rings is formed on the upper body side, and a fastening ring groove is formed on the outer circumferential surface of the upper body. Is formed, the ring having a bent in the shape of a semi-circular shape bent inwardly bent to the inner ring surrounding the upper body and caught in the fastening ring at both ends can be inserted and coupled, the bent portion is the fastening ring The upper body and the lower body can be assembled by being locked to each And a, whereby the assembly and disassembly of the submarine cable protective tube can be easily and therefore excellent in the clamping construction time is shortened further protect the cable.

Body, Fastening, Hook, Bending, Ring, Groove, Receptacle, Insertion, Polyurethane

Description

Submarine cable protector

The present invention relates to a submarine cable protection tube, and more particularly, to a submarine cable protection tube having a tubular shape so as to cover the cables to protect various cables wired to the seabed from the outside.

Submarine cable refers to a cable laid on the seabed for communication between two isolated points across the ocean, such as continents and continents, land and islands.

Submarine cables are laid on the sea floor, so in areas where fishing activities are active, the cables are easily damaged by anchors and fishing vessels of ships, and due to natural phenomena such as sea storms caused by currents or waves, and friction with sea floors. Since the cable is damaged, an external sheath is usually used to prevent it. Submarine cables are divided into shallow sea and deep sea, depending on the installation area.

Conventionally, since the tubular submarine cable protective tube is made of metal, in particular cast iron, it is easily broken or broken by an external impact, and can be broken by corrosion or wear in a short period of time. In addition, the cast iron sheath SHELL can be broken by the impact when dropped for installation on the sea floor. In particular, the insulation is not suitable for oil or gas supply facilities. In addition, it is very heavy, increasing working time, labor costs and the need for a trouser crane for undersea work, resulting in instability and risk.

Because of this problem, it is known that the material of the submarine cable protection tube is made of polyurethane recently, but it is excellent in elasticity compared to cast iron pipe, so it is not broken, stable to abrasion or corrosion, and there is no fear of damaging the inner cable sheath. In addition, it is excellent in insulation and can be used for oil or gas supply facilities, and is widely used worldwide because it is safe against any electrical corrosion.

Moreover, because of its light weight, it is safe to work because it requires less work time and labor costs and does not require a trouser crane to install.

Conventional submarine cable protection tube made of polyurethane usually has a tubular shape having a certain length by assembling the upper body and the lower body, and a band groove is formed on the outer circumferential surface of the upper body and the lower body, and the upper body and the lower body surround the band in the band groove. Construct by fastening the sieve. In addition, a plurality of such individual protection pipes are connected to the seabed.

Since the submarine cable protection tube is fastened by the band, the construction takes a lot of time, and once the upper body and the lower body are assembled, it is not easy to separate the upper body and the lower body by dismantling the band. Therefore, there is a very troublesome disadvantage when replacing the submarine cable or change the wiring position.

The present invention has been made to solve the above problems and an object of the present invention is to provide a submarine cable protection tube made of a simple structure and easy to assemble and disassemble.

The present invention for achieving the above object is in the submarine cable protection tube of the upper body and the lower body is assembled to form a tubular shape to protect the various cables installed on the seabed, when the assembly of the upper body and the lower body A plurality of fastening rings having an annular shape is provided on the lower body side of the joint surfaces which are in contact with each other, and an insertion groove for inserting the fastening rings is formed on the upper body side, and a fastening ring groove is formed on the outer circumferential surface of the upper body. A ring having a bent portion bent inward so as to surround the upper body and be caught by the fastening ring at both ends while having a wire shape bent in a semicircular shape, and the bent part is respectively connected to the fastening ring. It characterized in that the upper body and the lower body can be assembled by locking.

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Preferably, the fastening ring groove is characterized in that the insertion groove having a width greater than the diameter of the fastening ring is formed so as to insert a tool to hold both ends of the fastening ring and to be separated from the fastening ring.

Preferably, one end of the upper body and the lower body is formed with a receiving opening having an inner diameter larger than the inner diameter to accommodate the other end, the other end is formed with an insertion opening that can be inserted into the receiving opening, Ribs having a protruding shape are formed on the outer circumferential surface of the insertion hole, and rib grooves through which the ribs can be inserted are formed on the inner circumferential surface of the accommodation port, so that a plurality of submarine cable protection tubes can be continuously connected.

Preferably, the upper body and the lower body is characterized in that made of polyurethane material.

The effect of the present invention by the configuration as described above is easy to assemble and dismantle the submarine cable protective tube and excellent fastening force can shorten the construction time and can more securely protect the cable.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. The following description and the accompanying drawings are presented for the overall understanding of the present invention, and thus the technical scope of the present invention is not limited thereto. And a detailed description of known configurations and functions that may unnecessarily obscure the subject matter of the present invention will be omitted.

1 is a perspective view showing a submarine cable protection tube according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the present invention shown in Figure 1, Figure 3 is a plan view of the upper body and the lower body of the present invention.

The present invention has a predetermined length as a whole and the inside is made of an empty tubular shape and can be assembled or separated the upper body 100 and the lower body 200 for the convenience of construction for the cable or pipe installed on the seabed and fastening ring Surrounding the outer circumferential surface of the upper body 100 to 300 is a configuration that can be fastened with the lower body 200.

First, the upper body 100 will be described.

The upper body 100 has a half shell molding as shown in FIGS. 1 and 2. In addition, the outer ring surface of the upper body 100 is formed with a predetermined ring fastening ring groove 120, the fastening ring groove 120 has a width in a predetermined depth inwardly along the circumference of the upper body 100 The width of the wire-like fastening ring 300 to be described later may be appropriate. At this time, the fastening ring groove 120 is formed on the outer circumferential surface of the upper body 100 as well as extending to the joint surface portion to be bonded to the lower body 200 as shown in FIG.

In other words, both sides of the upper body, that is, at both ends of the coupling ring groove 120, a separation groove 130 having a width larger than the width of the coupling ring groove 120 is formed. That is, referring to FIG. 2, the coupling ring groove 120 and the separation groove 130 cross each other to form a '+' shape. The detachable groove 130 corresponds to a space into which a tool (not shown) can be inserted to separate the fastening ring 300 from the fastening ring groove 120.

In addition, as shown in FIG. 3, the lower surface of the upper body 100, that is, a plurality of insertion grooves 110 are formed at a predetermined interval on the bonding surface to be joined when assembled with the lower body 200.

In more detail, the insertion groove 110 is formed at regular intervals along both joining surfaces of the upper body 100, and is positioned to overlap the coupling ring groove 120 at both ends of the coupling ring groove 120. Is formed. The size of the insertion groove 110 is sufficient if the fastening ring 210 to be described later can be inserted.

On the other hand, one end of the upper body 100 is formed with a receiving port 140 that can be accommodated by the other end is inserted. As shown in FIGS. 2 and 3, the receiving port 140 has a rib groove 142 having a larger inner diameter than a peripheral inner diameter and having a larger inner diameter on an inner circumferential surface thereof.

On the other hand, the other end of the upper body 100 is formed with an insertion opening 150 that can be inserted into the receiving opening 140, the insertion opening 150 is the same as the inner diameter of the receiving opening 140 as shown Ribs 152 that can be inserted into the rib grooves 142 and seated on the outer circumferential surface thereof are formed to protrude outward.

Next, the lower body 200 will be described.

Like the upper body 100, the lower body 200 has a half shell molding as shown.

2 and 3, the upper surface of the lower body 200, that is, a plurality of fastening rings 210 are formed on the bonding surface to be bonded when assembled with the upper body 100 at regular intervals. .

In more detail, the fastening ring 210 has an annular shape and is formed at regular intervals along both joining surfaces of the lower body 200. The fastening ring 210 is positioned to correspond to the insertion groove 110 and the insertion groove 110. ) Can be inserted. As such, the insertion groove 110 and the fastening ring 210 are respectively disposed at corresponding positions, and each fastening ring 210 is inserted into each of the insertion grooves 110 so that the upper body 100 and the lower body 200. It is easy to assemble during construction.

On the other hand, similarly to the upper body 100, one end of the lower body 200, the other end is inserted is formed receiving port 220 that can be accommodated. As shown in FIGS. 2 and 3, the receiving hole 220 has a rib groove 222 having an inner diameter larger than the inner diameter of the peripheral portion and having a larger inner diameter on the inner circumferential surface thereof.

On the other hand, the other end of the lower body 200 is formed with an insertion opening 230 that can be inserted into the receiving opening 220, the insertion opening 230 is the same as the inner diameter of the receiving opening 220 as shown Ribs 232 that can be inserted into the rib grooves 222 and seated on the outer circumferential surface thereof are formed to protrude outward.

The upper body 100 and the lower body 200 of the present invention has a sufficient flexibility and elasticity for the safer and construction convenience of the cable or pipe from the impact transmitted from the outside in a state in which the cable or pipe of the seabed in the internal state It is injection molded or cast molded of polyurethane material.

Next, the fastening ring 300 will be described.

The fastening ring 300 is inserted into the fastening ring groove 120 is preferably made of a semi-circular bent wire as shown in Figure 2 to surround the outer peripheral surface of the upper body (100).

And both ends of the fastening ring 300 is bent inward to form a bent portion 310, the bent portion 310 is also inserted into the fastening ring groove 120 is on the joint surface of the upper body 100 Is placed. At this time, the bent portion 310 is in a state of being caught by the fastening ring 210. That is, while the fastening ring 210 is inserted into the insertion groove 110, the bent portion 310 is caught while passing through the fastening ring 210 and the fastening ring 300 is the fastening ring groove 120 Is inserted into.

 For reference, the material of the fastening ring 300 is preferably corrosion resistant titanium or stainless steel.

Hereinafter, the assembly and disassembly procedures of the present invention will be described with reference to FIG. 4. 4 is a cutaway perspective view of a portion of the present invention shown in FIG.

First, the lower body 200 is placed on the floor and the cable or pipe is disposed inside the lower body 200. And the upper body 100 is assembled to cover the lower body 200, the fitting ring 210 of the lower body 200 is fitted together to be inserted into the insertion groove 110 of the upper body 100. To combine.

In this state, the fastening ring 300 is inserted into the fastening ring groove 120, and both ends of the fastening ring 300 are forced outwardly with other equipment or tools so that the bent portion 310 slightly outwardly. After opening, the bent portion 310 is fastened to the fastening ring 210 of the lower body 200 so that the upper body 100 and the lower body 200 are firmly coupled.

Of course, when connecting a plurality of submarine cable protection tube inserts the insertion port (150,230) of another submarine cable protection tube into the receiving port (140,220) formed on one side of the submarine cable protection tube, the ribs (152,232) of the insertion hole (150,230) Arranged to be inserted and seated in the rib grooves (142, 222) of the receiving port (140, 220) to connect continuously.

On the contrary, when disassembling the upper body 100, the tool or equipment is inserted into the leaving groove 130 formed in the upper body 100 to be fixed to both ends of the fastening ring 300, and the force is applied to the outside. The bent portion 310 of the fastening ring 300 is pulled out from the fastening ring 210 as it opens to the outside. In such a state, the fastening ring 300 is moved upward to separate from the fastening ring groove 120 of the upper body 100, and then the upper body 100 is separated from the lower body 200. Decomposition is completed as 210 is separated from the insertion groove 110.

1 is a perspective view showing a submarine cable protection tube according to an embodiment of the present invention.

Figure 2 is an exploded perspective view of the present invention shown in FIG.

3 is a plan view of the upper body and the lower body of the present invention.

Figure 4 is a cutaway perspective view of a portion of the present invention shown in FIG.

<< Explanation of main parts of drawing >>

100: upper body 110: insertion groove

120: fastening ring groove 130: separation groove

140: receiving port 142: rib groove

150: insertion hole 152: rib

200: lower body 210: fastening ring

220: receiving port 222: rib groove

230: insertion hole 232: rib

300: fastening ring 310: bent portion

Claims (5)

delete In the submarine cable protection tube that the upper body 100 and the lower body 200 is assembled to form a tubular shape to wrap and protect various cables installed on the seabed, A plurality of fastening rings 210 having an annular shape is provided on the lower body 200 side of the joint surfaces which are in contact with each other when the upper body 100 and the lower body 200 are assembled, and the upper body 100 is provided on the side of the upper body 100. Insertion grooves 110 for inserting the fastening ring 210 are respectively formed, A fastening ring groove 120 is formed on an outer circumferential surface of the upper body 100 to have an inner wire shape bent in a semicircular shape to surround the upper body 100 and to be fastened to the fastening ring 210 at both ends thereof. A fastening ring 300 having a bent portion 310 formed therein may be inserted and coupled, and the bent portion 310 is caught by the fastening ring 210, respectively, so that the upper body 100 and the lower body 200 are closed. Submarine cable protective tube, characterized in that can be assembled. The method of claim 2, Ejection groove 130 having a width larger than the diameter of the fastening ring 300 so as to insert the tool on both sides of the fastening ring groove 120 to hold both ends of the fastening ring 300 and to be separated from the fastening ring 210. Submarine cable protective tube, characterized in that formed. The method according to any one of claims 2 to 3, At one end of the upper body 100 and the lower body 200 is formed receiving openings (140, 220) having an inner diameter larger than the inner diameter to accommodate the other end, the other end of the receiving openings (140, 220) Inserts 150 and 230 are formed to be inserted into and accommodated therein, and protruding ribs 152 and 232 are formed on the outer circumferential surfaces of the inserts 150 and 230, and the inner circumferential surfaces of the receiving ports 140 and 220 are Rib grooves 142 and 222 through which ribs 152 and 232 can be inserted are formed, Submarine cable sheath, characterized in that a plurality of submarine cable sheath can be connected in series. The method of claim 4, wherein The upper body 100 and the lower body 200 is a submarine cable protective tube, characterized in that made of polyurethane material.

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