KR200428633Y1 - Protector to protect cables or pipes - Google Patents

Abstract

The present invention can not only easily install facilities for protecting facilities such as communication cables, power cables, and gas transfer pipes that are wired and piped to the sea floor from external forces, but also have excellent durability, submarine cables, subsea power cables, and It is about a pipe protector.

The present invention forms a tubular shape having a predetermined length to wrap the cable and pipe installed on the seabed, the body is formed into a separate upper body and the lower body to the submarine cable and pipe protector formed to be joined by a fastening means during construction In the outer circumference of the body, the band sheet grooves are formed at predetermined intervals, but the band sheet grooves are formed on the outer circumference of one end of the body in which the other end of the neighboring body is accommodated.

Protectors, submarine cables, submarine power cables, pipes and bands

Description

Submarine Cable and Pipe Protectors {Protector to protect cables or pipes}

1 is a view for explaining a conventional technology.

Figure 2 is a separated state of the submarine cable and pipe protector according to the present invention.

3 is an assembled perspective view of the submarine cable and pipe protector according to the present invention.

Figure 4 is a plan view showing the inside of the protector according to the present invention.

5 is a view showing a state in which the protector according to the invention the continuous construction.

※ Explanation of code for main part of drawing

100: protector 100a: upper body

100b: lower body 102: once

104: other end 110: joint surface

112: coupling protrusion 114: coupling groove

120: band sheet groove 200: band

The present invention relates to a submarine cable, a submarine power cable and a pipe protector, and more particularly, a facility for protecting a facility such as a communication cable, a power cable, and a gas conveying pipe that are wired and plumbed to the seabed from an external force or a subsea rock. Not only can the installation and installation be made easier, but the durability also relates to an excellent submarine cable and pipe protector.

Various communication cables and power cables are routed to the development of communication technology and power technology and the sea and riverbed as well as land. Various cables that are wired to the sea or river bottom are installed in a way that is buried or hanged on the sea bottom depending on the depth of the location.

Representative examples of such submarine cables include optical cables that connect communication networks between continents and continents, and power cables for transmitting land-produced power to islands or seas.

On the other hand, in addition to the above-mentioned communication and power cables, a gas transfer pipe for transporting gas produced from a drilling ship in the middle of the sea to the land, and an earthquake monitoring cable connecting the measuring equipment installed in the middle of the sea to the observation headquarters for seismic observation. Various pipes and cables are laid and wired in such a way that they are buried or slack on the sea floor.

In particular, in the process of wiring and piping various submarine cables and pipes to the seabed, a protector (also called a protection tube) that surrounds the submarine cables and pipes is used to protect the cables and pipes. Patent Application Publication No. 1988-0010767, 1989-0005731, 1999-010803, and Korea Utility Model Registration Utility Model Publication No. 20-0313132.

1 is a view for explaining the structure of the 'cable protection cover' listed in the Republic of Korea Patent Application Utility Model Publication No. 20-0313132. Summarizing the structure of the conventional cable protective cover with reference to the drawings, one end of the protective cover 10 formed in the upper and lower parts is formed in the head portion 12 is formed to be enlarged to round the diameter, the other end is radial direction Consists of a structure in which the connecting plate 14 protruding to the formed. In particular, the bolt hole 16a penetrates the reinforcing rib 16 protruding inwardly of the head portion 12 to fasten the upper body 10a and the lower body 10b, which are vertically separated. .

In the process of constructing the protective cover 10, the upper body 10a and the lower body 10b in a state in which the connecting plate 14 provided on one side is accommodated in the head portion 12 provided on the other side of the neighboring protective cover. The bolts 18 are fastened in a state where they face each other.

By the way, since the protective tube (protector), which has been used for the protection of submarine cables and pipes in the past, is mostly made of metal, there is a problem of deterioration in durability due to corrosion, and construction is not flexible due to the characteristics of the material and is heavy. There was a difficulty.

On the other hand, in the case of the cable protective cover as shown in Figure 1 is formed with a head portion protruding outward of one end, to enlarge the overall diameter of the cable protective cover, the connection structure of the head portion and the connecting plate is inefficient There was this. In addition, in the fastening structure of the upper body and the lower body of the protective cover, the fastening force is lowered because the bolt is fastened only at one side of the protective cover provided with the head part, rather than being directly fastened to the connection part with the adjacent protective cover. there was.

Therefore, the present invention has been devised to solve the problems of the prior art, and installation of facilities for protecting facilities such as communication cables, power cables, and gas transfer pipes that are wired and piped to the sea floor can be made more easily. Its purpose is to provide superior submarine cable and pipe protectors as well as durability.

The present invention is a means for achieving the object of the above-described design, and forms a tubular shape having a predetermined length to wrap the cable and pipe installed on the seabed, the body is separated after the upper body and the lower body construction In the submarine cable and pipe protector formed to be joined by the fastening means, the outer periphery of the body is formed with a band seat groove at a predetermined interval, but the outer periphery of one end of the body in which the other end of the neighboring body is accommodated A band sheet groove is formed.

In addition, the present invention is characterized in that the coupling projection is formed on one side of the joint surface is the upper body and the lower body when the assembly of the body, the other side is characterized in that the coupling groove for fitting the coupling protrusion is formed.

In addition, in the present invention, the body is characterized in that the linear polyol, MDI (methylene diferyl isocyanate-based PTMEG (trimethylene ethylene glycol) type), characterized in that formed of a polyurethane material synthetically polymerized chain extender.

In addition, in the present invention, 30 wt% of MDI and 20 wt% of chain extender based on 50 wt% of a straight polyol selected from ploy caprolactone, polyester, and polyether. % Is mixed, the chain extender is characterized in that any one selected from 1.6-hexanediol, ethylene glycol, 1.4 butane diol.

Hereinafter, a preferred embodiment according to the configuration and operation of the protector for protecting the submarine cable and pipe according to the present invention will be described in detail with the accompanying drawings.

Figure 2 is a separate state diagram of the submarine cable and pipe protector according to the present invention, 3 is an assembled perspective view of the submarine cable and pipe protector according to the present invention, Figure 4 is a plan view showing the inside of the protector according to the present invention, Figure 5 is a view showing a state in which the protector according to the present invention is a continuous construction.

Reference numeral 100 denoted in the drawing indicates a protector formed by the present invention, and reference numeral 200 indicates a band.

The protector 100 has a predetermined length as a whole and a half-shell molding that can be separated and assembled into an upper body and a lower body for the convenience of construction of cables and pipes installed on the seabed in a hollow tube shape ( half shell molding).

In particular, the protector 100 according to the present invention not only protects the cables and pipes in a more stable state from the impact transmitted from the outside in the state of laying cables or pipes of the seabed, but also the body has sufficient flexibility for construction convenience. It is injection molded or cast molded of thermoplastic polyurethane or curable polyurethane material.

In order to achieve the object of the present invention, the above-mentioned thermoplastic polyurethane is 50% by weight of polyol selected from any one of poly caprolactone, polyester, and poly ether, and MDI ( It is preferable that 30% by weight of PTMEG (trimethylene ethylene glycol) type) of methylene diferyl isocyanate type and 20% by weight of a chain extender selected from 1.6-hexanediol, ethylene glycol, and 1.4 butane diol are synthesized. something to do.

When the cable and pipe protectors are manufactured by using such polyurethane materials, they are excellent in external impact and friction resistance, and high workability can be obtained even in the installation environment of deep seabed.

On the other hand, the protector 100 according to the present invention is formed so that the body is separated and assembled into the upper body (100a) and the lower body (100b), as shown in the figure the upper body (100a) and the lower body (100b) ) Are formed in the same shape as each other. Therefore, it is necessary to fasten the two bodies in a state in which the joining surfaces face each other without having to distinguish the upper body and the lower body separately during the construction process.

As the protector 100 according to the present invention is formed of a flexible material, the process of assembling the upper body 100a and the lower body 100b and the assembling of the upper body and the lower body after assembling the upper body and the lower body. Coupling protrusion 112 and coupling groove 114 are formed on the joint surface 110 to which the upper body and the lower body are in contact so that the state can be maintained in a more stable state. In particular, the coupling protrusion 112 is formed on one side of the bonding surface 110 with respect to the center so that the upper body 100a and the lower body 100b have the same shape, and on the other side of the bonding surface. Coupling groove 114 is formed.

The diameter and length of the protector 100 may be designed at an appropriate level according to the diameter of the cable or pipe installed on the seabed, the upper body 100a at a predetermined interval on the outer periphery of the protector 100 according to the present invention. A plurality of annular band sheet grooves 120 in which the band 200 for maintaining the assembled state of the lower body 100b are formed. In particular, the band seat groove 120 is also formed on the outer periphery of the portion in which the neighboring protectors 100 are engaged with each other, so that the other side of the neighboring protector is held on one side of the protector to be more firmly engaged. It is formed to be.

As described above, in order to be able to continuously arrange and connect the plurality of protectors 100, one end 102 of the body is formed to have a diameter larger than the periphery thereof so as to accommodate the other end 104, The other end 104 is formed to have a diameter smaller than its periphery so as to be accommodated at one end of the neighboring protector. In particular, the engagement portion provided at one end and the other end is preferably formed as an inclined surface for maintaining a more secure fastening state.

In addition, the band 200 for maintaining the assembled state of the upper body 100a and the lower body 100b in the construction process of the protector 100 and the band 200 for maintaining the connection state between the adjacent protectors. It is preferable to use titanium or stainless steel excellent in corrosion resistance.

In the protector 100 according to the present invention, the upper body 100a and the lower body 100b as shown in FIG. 5 are assembled so that a plurality of bodies forming one tubular shape are continuously constructed and placed therein. And to protect the pipe.

In particular, the protector 100 according to the present invention is formed of a polyurethane material and has high flexibility and strength, thereby dumping a large rock mass thereon while wiring cables or pipes to the seabed. Even if the construction, etc. is in progress, it will be able to protect the cable and pipe in a more stable state.

In particular, since the protector 100 installed on the sea floor is formed of a polyurethane material instead of a metal material, it is possible to prevent damage to the protector due to corrosion of the metal in advance.

As described above, the submarine cable, subsea power cable, and pipe protector constituted by the present invention are molded from a polyurethane material having excellent corrosion resistance, tensile strength, abrasion resistance, and flexibility, and thus have more durability than the metal protectors according to the prior art. Not only is excellent, there is a great advantage that the assembly of the upper body and the lower body constituting the body is more robust, stable and easy to construct.

Claims (4)

In the submarine cable and pipe protector formed in the form of a tube having a predetermined length to wrap the cable and pipe installed on the seabed, the body is formed to be separated by the upper body and the lower body to be joined by a fastening means during construction, A band sheet groove is formed at an outer circumference of the body at predetermined intervals, but the band sheet groove is formed at an outer circumference of one end of the body in which the other end of the neighboring body is accommodated. The method of claim 1, When assembling the body of the submerged cable and pipe protector, characterized in that the coupling projection is formed on one side of the joint surface is the upper body and the lower body is interviewed, the coupling groove is formed on the other side. The method according to claim 1 or 2, The body is a submarine cable and pipe protector, characterized in that the linear polyol, MDI (methylene diferyl isocyanate-based PTMEG (trimethylene ethylene glycol) type), a chain extender formed of a synthetic polyurethane material. The method of claim 3, wherein 30 weight% MDI and 20 weight% chain extender are mixed with 50 weight% of linear polyol selected from among poly caprolactone, polyester ester, and poly ether. , The chain extender release cable and pipe protector, characterized in that any one selected from 1.6-hexanediol, ethylene glycol, 1.4 butane diol.

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