KR101585953B1 - Connecting apparatus of subterranean line - Google Patents

Connecting apparatus of subterranean line Download PDF

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Publication number
KR101585953B1
KR101585953B1 KR1020150088491A KR20150088491A KR101585953B1 KR 101585953 B1 KR101585953 B1 KR 101585953B1 KR 1020150088491 A KR1020150088491 A KR 1020150088491A KR 20150088491 A KR20150088491 A KR 20150088491A KR 101585953 B1 KR101585953 B1 KR 101585953B1
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South Korea
Prior art keywords
flange
protection flange
main body
underground
body portion
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KR1020150088491A
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Korean (ko)
Inventor
김병일
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김병일
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
    • H02G9/065—Longitudinally split tubes or conduits therefor

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  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underground distribution line connection apparatus for stable connection between underground distribution lines.
According to the present invention,
A first underground pipe 110 in which a first underground power distribution line L1 is installed; A second underground pipe 120 provided with a second underground distribution line L2 and detachably connected to the first underground pipe 110;
A connector 800 provided inside the underground pipe 100 and electrically connecting the first underground power distribution line L1 and the second underground power distribution line L2;
A humidity sensor 900 disposed inside the underground pipe 100 for detecting a humidity inside the underground pipe 100 and outputting a warning signal when the humidity inside the underground pipe 100 is equal to or greater than a reference value;
A first lower protection flange main body portion 211 having a semi-disc shape and surrounding a lower portion of the underground pipe 100; a second lower protection flange main body portion 211 provided on one end face of the first lower protection flange main body portion 211, A first lower protection flange 210 having a flange fixing part 212 and a first lower protection flange guide part 213 formed at the lower surface of the circumference of the first lower protection flange body 211 and projecting outwardly, )Wow; And an insertion groove 221a which is rotatably installed at the other end of the first lower protection flange body 211 and opens at the other end to the outside and is detachably inserted into the first lower protection flange- A first upper protection flange main body portion 221 having a semi-disc shape and surrounding the upper portion of the underground pipe 100; a second upper protection flange main body portion 221 formed on the peripheral surface of the first upper protection flange main body portion 221, A first flange member 200 provided on one side of the underground pipe 100 and having a first upper protection flange 220 having a protruding first upper protection flange guide portion 222,
A second lower protection flange main body portion 311 having a semi-disc shape and surrounding the lower portion of the underground pipe 100; a second lower protection flange main body portion 311 provided on one end face of the second lower protection flange main body portion 311, And a second lower protection flange 310 having a flange fixing portion 312 and a second lower protection flange guide portion 313 formed at the lower surface of the circumference of the second lower protection flange body portion 311 and projecting outwardly, )Wow; And an insertion groove 321a (321a) which is rotatably installed at the other end of the second lower protection flange main body portion 311 and which is open to the outside at the other end and is detachably inserted into the second lower protection flange main body portion 312, A second upper protection flange main body portion 321 having a semi-disc shape and surrounding the upper portion of the underground pipe 100, and a second upper protection flange main body portion 321 formed on the peripheral surface of the second upper protection flange main body portion 321, And a second upper protection flange 320 provided with a protruding second upper protection flange guide portion 322. The second upper protection flange 320 includes a second flange member 320 provided on the submerged pipe 100 so as to be spaced apart from the first flange member 200, (300) and:
A first guide groove 410 which is formed on the inner surface of the lower side and is opened to the upper side and is slidably inserted into the first lower protection flange guide portion 213 and the second lower protection flange guide portion 313; A second guide groove 420 formed on the inner surface of the first guide flange portion 222 and slidably inserted into the first upper protection flange guide portion 222 and the second upper protection flange guide portion 322, And a screw hole 430 formed in the upper portion of the second guide groove 420 so as to communicate with the second guide groove 420 and disposed at the upper portion of the second guide groove 420, A protection tube 400 of:
And is threadably engaged with the screw hole 430 located at the upper portion of the first upper protective flange guide portion 222 of the screw hole 430 of the protective pipe 400, A first fixing member 600 which passes through the first upper protection flange guide portion 222 and presses the first upper protection flange guide portion 222;
And is screwed to the screw hole 430 located at the upper portion of the second upper protective flange guide portion 322 of the screw hole 430 of the protective pipe 400, A second fixing member 700 that passes through the first upper protection flange guide portion 322 and passes through the second upper protection flange guide portion 322;
Is injected into a screw hole 430 located between the first flange member 200 and the second flange member 300 among the plurality of screw holes 430 of the protective pipe 400, A filler 500 filled between the member 200 and the second flange member 300 and the protective pipe 400 and cured,
And a control unit.
Accordingly, the present invention can instantaneously confirm the state of water inflow inside the underground pipe 100, so that it is possible to promptly respond to the inflow of water.
Further, the present invention can safely protect the underground distribution line from the earth pressure at normal times, and stably protects the underground pipe line 100 from the external force generated by the excavator when the excavation work is performed on the ground, Can be protected.

Figure R1020150088491

Description

{CONNECTING APPARATUS OF SUBTERRANEAN LINE} FOR STABLE CONNECTION BETWEEN UNDERWATER LINE

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underground distribution line connection apparatus for stable connection between underground distribution lines.

The power generated by the power plant is transmitted to the substation, where power from the substation is processed or distributed through the underground.

Here, the machining distribution is carried out through the pole installed with brass, and the underground distribution is carried out through the underground pipe embedded in the ground.

In the underground distribution, the underground pipeline is buried in the ground, and the underground distribution line is installed in the underground pipeline, thereby distributing power.

Conventionally, when water is introduced into the underground pipe, if it can not be confirmed immediately, moisture is introduced into the connection portion between the underground power lines, and there is a great risk of electric leakage.

Further, when excavation work is performed by an excavator at an upper portion of the ground where the underground pipe is buried, external force generated by the excavating operation of the excavator is transmitted to the soil covering the underground pipe, and the earth pressure is transmitted to the underground pipe , The underground piping could be damaged.

In addition, in the past, when the excavator excavated near the underground pipe, if the operator proceeded to excavate without knowing the location of the underground pipe, the underground pipe could be damaged by the excavator excavator

Korean Patent No. 10-0807742

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a stable connection between underground power distribution lines, in which the water inflow state inside the underground pipe can be quickly checked and the underground pipe can be protected from external force, To provide an underground power distribution line connection apparatus for an underground power line.

According to an aspect of the present invention,

A first underground pipe 110 in which a first underground power distribution line L1 is installed; A second underground pipe 120 provided with a second underground distribution line L2 and detachably connected to the first underground pipe 110;

A connector 800 provided inside the underground pipe 100 and electrically connecting the first underground power distribution line L1 and the second underground power distribution line L2;

A humidity sensor 900 disposed inside the underground pipe 100 for detecting a humidity inside the underground pipe 100 and outputting a warning signal when the humidity inside the underground pipe 100 is equal to or greater than a reference value;

A first lower protection flange main body portion 211 having a semi-disc shape and surrounding a lower portion of the underground pipe 100; a second lower protection flange main body portion 211 provided on one end face of the first lower protection flange main body portion 211, A first lower protection flange 210 having a flange fixing part 212 and a first lower protection flange guide part 213 formed at the lower surface of the circumference of the first lower protection flange body 211 and projecting outwardly, )Wow; And an insertion groove 221a which is rotatably installed at the other end of the first lower protection flange body 211 and opens at the other end to the outside and is detachably inserted into the first lower protection flange- A first upper protection flange main body portion 221 having a semi-disc shape and surrounding the upper portion of the underground pipe 100; a second upper protection flange main body portion 221 formed on the peripheral surface of the first upper protection flange main body portion 221, A first flange member 200 provided on one side of the underground pipe 100 and having a first upper protection flange 220 having a protruding first upper protection flange guide portion 222,

A second lower protection flange main body portion 311 having a semi-disc shape and surrounding the lower portion of the underground pipe 100; a second lower protection flange main body portion 311 provided on one end face of the second lower protection flange main body portion 311, And a second lower protection flange 310 having a flange fixing portion 312 and a second lower protection flange guide portion 313 formed at the lower surface of the circumference of the second lower protection flange body portion 311 and projecting outwardly, )Wow; And an insertion groove 321a (321a) which is rotatably installed at the other end of the second lower protection flange main body portion 311 and which is open to the outside at the other end and is detachably inserted into the second lower protection flange main body portion 312, A second upper protection flange main body portion 321 having a semi-disc shape and surrounding the upper portion of the underground pipe 100, and a second upper protection flange main body portion 321 formed on the peripheral surface of the second upper protection flange main body portion 321, And a second upper protection flange 320 provided with a protruding second upper protection flange guide portion 322. The second upper protection flange 320 includes a second flange member 320 provided on the submerged pipe 100 so as to be spaced apart from the first flange member 200, (300) and:

A first guide groove 410 which is formed on the inner surface of the lower side and is opened to the upper side and is slidably inserted into the first lower protection flange guide portion 213 and the second lower protection flange guide portion 313; A second guide groove 420 formed on the inner surface of the first guide flange portion 222 and slidably inserted into the first upper protection flange guide portion 222 and the second upper protection flange guide portion 322, And a screw hole 430 formed in the upper portion of the second guide groove 420 so as to communicate with the second guide groove 420 and disposed at the upper portion of the second guide groove 420, A protection tube 400 of:

And is threadably engaged with the screw hole 430 located at the upper portion of the first upper protective flange guide portion 222 of the screw hole 430 of the protective pipe 400, A first fixing member 600 which passes through the first upper protection flange guide portion 222 and presses the first upper protection flange guide portion 222;

And is screwed to the screw hole 430 located at the upper portion of the second upper protective flange guide portion 322 of the screw hole 430 of the protective pipe 400, A second fixing member 700 that passes through the first upper protection flange guide portion 322 and passes through the second upper protection flange guide portion 322;

Is injected into a screw hole 430 located between the first flange member 200 and the second flange member 300 among the plurality of screw holes 430 of the protective pipe 400, A filler 500 filled between the member 200 and the second flange member 300 and the protective pipe 400 and cured,

And a control unit.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to promptly confirm the state of inflow of water into the underground pipe (100), so that it is possible to promptly respond to the inflow of water.

Further, the present invention can safely protect the underground distribution line from the earth pressure at normal times, and stably protects the underground pipe line 100 from the external force generated by the excavator when the excavation work is performed on the ground, Can be protected.

1 is a partial side sectional view for explaining the present invention,
2 is a partial front sectional view for explaining the present invention,
3 is a view for explaining the operation of the humidity sensor in the present invention,
4 and 5 are views for explaining that the first flange member and the second flange member surround the underground pipe in the present invention,
6 is a view showing a state in which a first flange member and a second flange member are installed in an underground pipe,
7 is a view for explaining the installation of a protective pipe in the present invention,
8 is a view for explaining that the position of the protective pipe is fixed in the present invention,
9 is a view for explaining filling of a filler in the present invention.

Hereinafter, the present invention will be described.

FIG. 1 is a partial side sectional view for explaining the present invention, FIG. 2 is a partial front sectional view for explaining the present invention, and the present invention will be described in detail with reference to FIG. 1 and FIG.

The present invention relates to an underground pipe 100, a connector 800, a humidity sensor 900, a first flange member 200, a second flange member 300, a protective pipe 400, The stationary member 600, the second fixing member 700, and the filler material 500 to stably protect the underground distribution line.

The underground piping 100 includes a first underground pipe 110 in which a first underground power distribution line L1 is installed and a second underground power line L2 in which a second underground power distribution line L2 is installed and is detachably connected to the first underground pipe 110, And an underground piping 120 is provided. In the present embodiment, the underground pipe 100 has a corrugated pipe shape and is buried in the ground.

The connector 800 is provided inside the underground pipe 100 and electrically connects the first underground power distribution line L1 and the second underground power distribution line L2. In this embodiment, the connector 800 is located at the connection portion of the first underground pipe 110 and the second underground pipe 120. Meanwhile, the technique of connecting the first underground power distribution line L1 and the second underground power distribution line L2 through the connector 800 is well known in the art and can be easily implemented by a person skilled in the art.

The humidity sensor 900 is disposed inside the underground pipeline 100 and detects a humidity inside the underground pipe 100 and outputs a warning signal when the humidity inside the underground pipe 100 is equal to or higher than a reference value. In this embodiment, the humidity sensor 900 is installed below the connector 800. On the other hand, the humidity sensor 900 is well known in the art and can be easily implemented by a person skilled in the art.

The first flange member 200 has a first lower protection flange 210 and a first upper protection flange 220 and surrounds the underground pipe 100.

The first lower protection flange 210 includes a first lower protection flange body 211 having a half disk shape and surrounding the lower portion of the underground pipe 100 and a second lower protection flange body 211 provided on one end face of the first lower protection flange body 211 A first lower protective flange guide portion 213 protruding from the outer side of the first lower protective flange main body portion 211 and formed below the circumferential surface of the first lower protective flange body portion 211, Equipped.

The first upper protection flange 220 is rotatably installed at the other end of the first lower protection flange body 211 at one end and is opened to the outside at the other end, A first upper protection flange main body portion 221 having a semi-disc shape and surrounding the upper portion of the underground pipe 100 and a second upper protection flange main body portion 221 surrounding the first upper protection flange main body portion 221 And a first upper protection flange guide portion 222 formed on the circumferential surface and protruding toward the outer side. In the meantime, in the present embodiment, the insertion groove 221a is provided with a first packing member P1 formed of an elastic material on the inner surface and having a U-shape, and the first lower protection- .

The second flange member 300 has a second lower protection flange 310 and a second upper protection flange 320 and surrounds the underground pipe 100.

The second lower protection flange 310 includes a second lower protection flange body portion 311 in the form of a half disk and surrounding the lower portion of the underground pipe 100 and a second lower protection flange body portion 311 provided on one end face of the second lower protection flange body portion 311 A second lower protection flange guide portion 313 protruding from the outer side of the circumference of the second lower protection flange body portion 311, Equipped.

The second upper protection flange 320 is rotatably installed at the other end of the second lower protection flange main body 311 at one end and is opened to the outside at the other end of the second upper protection flange 320, A second upper protection flange main body portion 321 having a semi-disc shape and surrounding the upper portion of the underground pipe 100 and a second upper protection flange main body portion 321 surrounding the second upper protection flange main body portion 321 And a second upper protection flange guide portion 322 formed on the circumferential surface and projecting toward the outer side. In the present embodiment, the insertion groove 321a is provided with a second packing member P2 having a U shape and made of an elastic material on the inner surface thereof, and the second lower protection- .

The protection pipe 400 has a first guide groove 410, a second guide groove 420 and a screw hole 430 to protect the underground pipe 100.

The first guide groove 410 is formed on the lower side of the inner surface and is laterally opened to open upward, and is slidably inserted into the first lower protection flange guide portion 213 and the second lower protection flange guide portion 313.

The second guide groove 420 is formed on the inner surface of the inner surface so as to open downward and is slidably inserted into the first upper protection flange guide portion 222 and the second upper protection flange guide portion 322.

The threaded hole 430 is formed at an upper portion of the second guide groove 420 so as to pass through the second guide groove 420 and communicate with the second guide groove 420.

The first fixing member 600 is detachably coupled to the threaded hole 430 located at the upper portion of the first upper protective flange guide portion 222 of the threaded hole 430 of the protective pipe 400, The second guide groove 430 and the second guide groove 420 to press the first upper protection flange guide portion 222. [

The second fixing member 700 is detachably coupled to the threaded hole 430 located at the upper portion of the second upper protective flange guide portion 322 of the threaded hole 430 of the protective pipe 400, (430) and the second guide groove (420) to press the second upper protective flange guide portion (322).

The filler material 500 is injected into the threaded hole 430 located between the first flange member 200 and the second flange member 300 among the plurality of threaded holes 430 of the protective pipe 400, And the first flange member 200 and the second flange member 300 and the protective pipe 400, and is cured. In the present embodiment, the filling material is applicable to concrete or plastic foam.

FIG. 3 is a view for explaining the operation of the humidity sensor in the present invention, FIGS. 4 and 5 are views for explaining how the first flange member and the second flange member surround the underground pipe in the present invention, FIG. 7 is a view for explaining the installation of a protective pipe in the present invention, and FIG. 8 is a view for explaining the installation of the protective pipe in the present invention, FIG. 9 is a view for explaining filling of a filler in the present invention, and the operation of the present invention will be described in detail with reference to FIGS. 3 to 9. FIG.

When cracks are generated in the underground pipe 100 in the state of FIG. 1 and water flows little by little, the inner bottom surface of the underground pipe 100 is filled with water as shown in FIG.

At this time, the humidity sensor 900 senses the humidity inside the underground pipe 100 and outputs a warning signal when the sensed humidity is equal to or higher than the reference value. Then, the external manager recognizes that there is a lot of water in the underground pipe 100, and can promptly respond accordingly.

The installation work of the present invention will be described as follows.

After the first underground power distribution line L1 is installed in the first underground pipe 110 and the second underground power distribution line L2 is installed in the second underground pipe 120, L1) and the second underground power distribution line (L2). Then, the first underground pipe 110 and the second underground pipe 120 are connected.

A first flange member 200 is installed on one side of the first underground pipe 110 and a second flange member 200 is installed on the second underground pipe 110 in a state where the first underground pipe 110 and the second underwater pipe 120 are disposed at the buried position, The second flange member 300 is installed on one side of the first flange member 120.

4, the underwater piping 100 is placed on the first lower protection flange body 211 and the second lower protection flange body 311, and the first upper protection flange body 221 and the 5 and 6 and the first flange member 200 and the second flange member 300 enclose and fix the underground pipe 100 by rotating the first and second upper protection flange main body portions 321, respectively.

Then, the protective pipe 400 is inserted into the first flange member 200 and the second flange member 300 as shown in FIG. At this time, the protection tube 400 is inserted into the first lower protection flange guide portion 213 and the second lower protection flange guide portion 313, and the second guide groove 420 is inserted into the first lower protection flange guide portion 313, Is inserted into the upper protection flange guide portion (222) and the second upper protection flange guide portion (322).

8, the first fixing member 600 is engaged with the screw hole 430 located at the upper portion of the first upper protection flange guide portion 222 of the screw hole 430 of the protective pipe 400, The member 600 presses the first upper protection flange guide portion 222 and the second fixing member 700 is pressed against the second upper protection flange guide portion 322 of the screw hole 430 of the protective pipe 400 The second fixing member 700 presses the second upper protection flange guide portion 322 while engaging with the screw hole 430 located at the upper portion. Then, the protective pipe 400 is fixed in position.

When the filling material 500 is injected into the screw hole 430 located between the first flange member 200 and the second flange member 300 among the plurality of screw holes 430 of the protective pipe 400 as shown in FIG. 9, 1, the filler 500 is filled between the underground pipe 100 and the first flange member 200, the second flange member 300 and the protective pipe 400, and after the lapse of time, Cured.

When excavation is performed on the ground in this state, earth pressure is generated by the external force applied from the excavator, and the earth pressure is transmitted to the protective pipe 400. At this time, the protective pipe 400 and the filler material 500 buffer the earth pressure to prevent a great earth pressure from being applied to the underground pipe 100. Accordingly, the connecting portions of the first underground pipe 110 and the second underground pipe 120 are stably protected from external impact, and the first underground power distribution line L1 and the second underground power distribution line L2 are also stably protected .

Also, when the excavator excavates near the underground pipe 100, if the operator advances the excavation without knowing the position of the underground pipe 100, the underground pipe 100 may be damaged by the excavator. However, in the present invention, the shovel of the excavator first impacts the protective pipe 400, so that the underground pipe 100 can be stably protected. Further, according to the present invention, not only the protective pipe 400 but also the filler material 500 relaxes the impact from the excavator shovel, so that the underground pipe 100 can be more stably protected.

100; Underground piping 200; The first flange member
300; A second flange member 400; Protectionist
500; Filling material 600; The first fixing member
700; A second fixing member 800; connector
900; Humidity sensor

Claims (1)

A first underground pipe 110 in which a first underground power distribution line L1 is installed; A second underground pipe 120 provided with a second underground distribution line L2 and detachably connected to the first underground pipe 110;
A connector 800 provided inside the underground pipe 100 and electrically connecting the first underground power distribution line L1 and the second underground power distribution line L2;
A humidity sensor 900 disposed inside the underground pipe 100 for detecting a humidity inside the underground pipe 100 and outputting a warning signal when the humidity inside the underground pipe 100 is equal to or greater than a reference value;
A first lower protection flange main body portion 211 having a semi-disc shape and surrounding a lower portion of the underground pipe 100; a second lower protection flange main body portion 211 provided on one end face of the first lower protection flange main body portion 211, A first lower protection flange 210 having a flange fixing part 212 and a first lower protection flange guide part 213 formed at the lower surface of the circumference of the first lower protection flange body 211 and projecting outwardly, )Wow; And an insertion groove 221a which is rotatably installed at the other end of the first lower protection flange body 211 and opens at the other end to the outside and is detachably inserted into the first lower protection flange- A first upper protection flange main body portion 221 having a semi-disc shape and surrounding the upper portion of the underground pipe 100; a second upper protection flange main body portion 221 formed on the peripheral surface of the first upper protection flange main body portion 221, A first flange member 200 provided on one side of the underground pipe 100 and having a first upper protection flange 220 having a protruding first upper protection flange guide portion 222,
A second lower protection flange main body portion 311 having a semi-disc shape and surrounding the lower portion of the underground pipe 100; a second lower protection flange main body portion 311 provided on one end face of the second lower protection flange main body portion 311, And a second lower protection flange 310 having a flange fixing portion 312 and a second lower protection flange guide portion 313 formed at the lower surface of the circumference of the second lower protection flange body portion 311 and projecting outwardly, )Wow; And an insertion groove 321a (321a) which is rotatably installed at the other end of the second lower protection flange main body portion 311 and which is open to the outside at the other end and is detachably inserted into the second lower protection flange main body portion 312, A second upper protection flange main body portion 321 having a semi-disc shape and surrounding the upper portion of the underground pipe 100, and a second upper protection flange main body portion 321 formed on the peripheral surface of the second upper protection flange main body portion 321, And a second upper protection flange 320 provided with a protruding second upper protection flange guide portion 322. The second upper protection flange 320 includes a second flange member 320 provided on the submerged pipe 100 so as to be spaced apart from the first flange member 200, (300) and:
A first guide groove 410 which is formed on the inner surface of the lower side and is opened to the upper side and is slidably inserted into the first lower protection flange guide portion 213 and the second lower protection flange guide portion 313; A second guide groove 420 formed on the inner surface of the first guide flange portion 222 and slidably inserted into the first upper protection flange guide portion 222 and the second upper protection flange guide portion 322, And a screw hole 430 formed in the upper portion of the second guide groove 420 so as to communicate with the second guide groove 420 and disposed at the upper portion of the second guide groove 420, A protection tube 400 of:
And is threadably engaged with the screw hole 430 located at the upper portion of the first upper protective flange guide portion 222 of the screw hole 430 of the protective pipe 400, A first fixing member 600 which passes through the first upper protection flange guide portion 222 and presses the first upper protection flange guide portion 222;
And is screwed to the screw hole 430 located at the upper portion of the second upper protective flange guide portion 322 of the screw hole 430 of the protective pipe 400, A second fixing member 700 that passes through the first upper protection flange guide portion 322 and passes through the second upper protection flange guide portion 322;
Is injected into a screw hole 430 located between the first flange member 200 and the second flange member 300 among the plurality of screw holes 430 of the protective pipe 400, A filler 500 filled between the member 200 and the second flange member 300 and the protective pipe 400 and cured,
And a ground connection line for stable connection between underground power distribution lines.
KR1020150088491A 2015-06-22 2015-06-22 Connecting apparatus of subterranean line KR101585953B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101854903B1 (en) * 2017-02-28 2018-06-14 유정남 Installation structure for underground power distribution line
KR102070250B1 (en) 2019-06-27 2020-01-28 (주)선한이엔지 Power distribution stabilizer for underground distribution lines
KR102439260B1 (en) * 2022-01-14 2022-09-02 주식회사 세림이엔지 Underground Line Connecting Equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100807742B1 (en) 2007-09-10 2008-02-28 기술사사무소 세일엔지니어링(주) Underground pipe having a fire fighting equipment
KR100948071B1 (en) * 2009-03-12 2010-03-16 부영산전주식회사 Pipeline leakage detection apparatus
KR100948975B1 (en) * 2009-12-28 2010-03-23 주식회사 대흥종합엔지니어링건축사사무소 Protective pipe for underground cable
KR101038651B1 (en) * 2007-08-24 2011-06-08 민승기 Selective reinforcement structure of conduit pipe
KR101212120B1 (en) * 2012-07-24 2012-12-13 황장선 Concentric pipe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101038651B1 (en) * 2007-08-24 2011-06-08 민승기 Selective reinforcement structure of conduit pipe
KR100807742B1 (en) 2007-09-10 2008-02-28 기술사사무소 세일엔지니어링(주) Underground pipe having a fire fighting equipment
KR100948071B1 (en) * 2009-03-12 2010-03-16 부영산전주식회사 Pipeline leakage detection apparatus
KR100948975B1 (en) * 2009-12-28 2010-03-23 주식회사 대흥종합엔지니어링건축사사무소 Protective pipe for underground cable
KR101212120B1 (en) * 2012-07-24 2012-12-13 황장선 Concentric pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101854903B1 (en) * 2017-02-28 2018-06-14 유정남 Installation structure for underground power distribution line
KR102070250B1 (en) 2019-06-27 2020-01-28 (주)선한이엔지 Power distribution stabilizer for underground distribution lines
KR102439260B1 (en) * 2022-01-14 2022-09-02 주식회사 세림이엔지 Underground Line Connecting Equipment

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