KR100807713B1 - Electric acble for block - Google Patents

Electric acble for block Download PDF

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Publication number
KR100807713B1
KR100807713B1 KR1020070125927A KR20070125927A KR100807713B1 KR 100807713 B1 KR100807713 B1 KR 100807713B1 KR 1020070125927 A KR1020070125927 A KR 1020070125927A KR 20070125927 A KR20070125927 A KR 20070125927A KR 100807713 B1 KR100807713 B1 KR 100807713B1
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KR
South Korea
Prior art keywords
box
box body
pedestal
buoyancy
power cable
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KR1020070125927A
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Korean (ko)
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이유박
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이유박
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Priority to KR1020070125927A priority Critical patent/KR100807713B1/en
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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
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
    • H02G9/025—Coverings therefor, e.g. tile
    • 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
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
    • 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
    • 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
    • H02G9/10—Installations of electric cables or lines in or on the ground or water in cable chambers, e.g. in manhole or in handhole

Abstract

An electric cable protection block is provided to reduce risk due to ground water through the rising of a floater on an upper part of a support even in case of leakage through a connection unit of a box body and exclude the risk by being guided through a circular groove of the support in case of the rising of the floater. Two box bodies(20,30) are formed in an approximately T shape and a square groove inside. A laying nut is laid on a bottom of the box bodies and a support(40) is fixed by a bolt(43). The support is formed in a circular post shape and has a circular groove on a center of an upper surface to be adjacent to a lower bottom. A floater(50) is received on the support closely installed on a top surface of a bottom of the box bodies and a cross section thereof is an oval body. A plurality of receiving grooves are formed in a semicircle shape on a top surface of the oval body. A plurality of projection bar units(52) are integrally formed in a circular post shape on a bottom surface of the oval body. Wing units are projected on both sides of a width of the oval body to be connected to the top surface of the oval body.

Description

지중 전력 케이블 보호블럭{ELECTRIC ACBLE FOR BLOCK}Underground power cable protection block {ELECTRIC ACBLE FOR BLOCK}

본 발명은 지중 전력 케이블 보호블럭에 관한 것으로, 특히 박스체 내부에 설치된 전력 케이블을 효과적으로 관리할 수 있음은 물론, 안전성을 확보할 수 있도록 시공되는 지중 전력 케이블 보호블럭에 관한 것이다.The present invention relates to an underground power cable protection block, and more particularly, to an underground power cable protection block that can be constructed to ensure the safety as well as to effectively manage the power cable installed inside the box body.

대부분의 고압 전력 케이블은 산 등에 설치된 송전탑을 통해 연결되는 구조를 가지지만, 송전탑 설치가 어려운 지역인 도심에서는 지중관을 설치하여 전력 케이블을 설치하는 경우도 있다.Most of the high-voltage power cable has a structure that is connected through a transmission tower installed on a mountain, but in the city, which is difficult to install the transmission tower, underground cables may be installed to install power cables.

이러한 전력 케이블을 통해 이송되는 전력은 고압인 경우가 많아 별도의 안전성 확보를 위한 조치가 필요하다 할 것이다.Since the power transferred through such a power cable is often a high voltage, it will be necessary to take measures to secure additional safety.

본 발명은, 박스체의 연결부를 통해 누수가 발생되는 경우에도 부력체가 받침대 상부로 상승하게 되어 지하수를 통한 위험을 어느 정도 감수할 수 있고 부력체 상승시 받침대의 원형홈을 통해 안내되므로 위험성을 배제시킬 수 있도록 하는 지중 전력 케이블 보호블럭을 제공함을 그 목적으로 한다.The present invention, even if a leak occurs through the connection portion of the box body buoyancy body is raised to the upper portion of the base can take some risk through the groundwater and when the buoyancy body is guided through the circular groove of the pedestal, so the risk is excluded It is an object of the present invention to provide an underground power cable protection block that can be used.

본 발명은 상술한 목적 달성을 위해, 본 발명은, 박스체는 대략 'ㅗ'자 형태를 가지되, 내면에 사각홈이 형성되고, 박스체가 박스체에 길이로 연장되어 설치되며, 박스체에는 길이 양측에 단턱이 형성되어 길이 양측에 박스체가 밀착설치되는 형태로 연장되며, The present invention to achieve the above object, the present invention, the box body has a substantially 'ㅗ' shape, a square groove is formed on the inner surface, the box body is installed to extend the length of the box body, Steps are formed on both sides of the length so that the box body is installed in close contact with both sides of the length.

박스체에는 바닥에 매설 너트가 매설되어 있어 받침대가 볼트에 의해 고정되되, 받침대는 원형 기둥 형태로 상면 중앙에서 하면 바닥에 인접하여 원형홈이 형성되며, The box body is embedded with a buried nut at the bottom, so that the pedestal is fixed by bolts.

박스체의 바닥 상면에 밀착설치된 받침대에는 부력체가 안착되되, 부력체는 단면이 타원 몸체로, 타원 몸체의 상면에 다수개의 안착홈이 반원 형태로 형성되고, 타원 몸체의 바닥면에 원형 기둥 형태로 다수개의 돌출봉부가 일체형성되며, 타원 몸체의 상면에 연접되어 폭 양측에 날개부가 돌출형성되며, A buoyant body is seated on a pedestal installed in close contact with the bottom of the box body, and the buoyant body has an elliptical body in cross section, a plurality of seating grooves are formed in a semicircular shape on the upper surface of the ellipse body, and a circular column shape on the bottom of the ellipse body A plurality of protruding rods are integrally formed, and are connected to the upper surface of the ellipse body to protrude wings on both sides of the width.

부력체는 돌출봉부가 받침대의 원형홈에 삽입되어 박스체 내부로 지하수가 유입되는 경우 부력체의 타원 몸체가 상승하게 될 뿐만 아니라, 부력체에는 타원 몸체의 양측면 날개부의 상면에 금속 재질로 제작되는 고정판이 밀착설치되어 박스체의 사각홈을 따라 상승 및 하강하는 부력체의 이탈을 방지하도록 설치됨을 특징으로 하는 지중 전력 케이블 보호블럭;이 제공된다.When the buoyancy body is inserted into the circular groove of the pedestal so that groundwater flows into the box body, the ellipse body of the buoyancy body rises, and the buoyancy body is made of metal on the upper surface of both side wing portions of the ellipse body. Underground power cable protection block is characterized in that the fixed plate is installed to prevent the detachment of the buoyancy body to rise and fall along the rectangular groove of the box body; is provided.

상술한 지중 전력 케이블 보호블럭에서 발생되는 효과를 하기에 설명한다.The effects generated in the above-mentioned underground power cable protection block will be described below.

본 발명의 지중 전력 케이블 보호블럭에 의하면, 박스체의 연결부를 통해 누수가 발생되는 경우에도 부력체가 받침대 상부로 상승하게 되어 지하수를 통한 위험을 어느 정도 감수할 수 있고 부력체 상승시 받침대의 원형홈을 통해 안내되므로 위험성을 배제시킬 수 있는 효과를 얻을 수 있다.According to the underground power cable protection block of the present invention, even if a leak occurs through the connection of the box body buoyancy body is raised to the upper part of the base can take some risk through the groundwater and when the buoyant body rises the circular groove of the pedestal Since it is guided through it can have the effect of excluding the risk.

이하, 첨부 도면을 참조하여 본 발명의 구성을 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated with reference to an accompanying drawing.

도 1은 본 발명 지중 전력 케이블 보호블럭의 사시도, 도 2는 본 발명 지중 전력 케이블 보호블럭의 분해 사시도, 도 3은 본 발명 지중 전력 케이블 보호블럭의 길이를 절단한 단면도, 도 4는 본 발명 지중 전력 케이블 보호블럭의 폭을 절단한 단면도, 도 5는 본 발명 지중 전력 케이블 보호블럭의 내부에 지하수가 유입된 경우의 작동 상태를 나타내는 단면도이다.1 is a perspective view of the present invention underground power cable protection block, Figure 2 is an exploded perspective view of the present invention underground power cable protection block, Figure 3 is a cross-sectional view cut the length of the present invention underground power cable protection block, Figure 4 is the present invention underground Sectional drawing which cut | disconnected the width | variety of the power cable protection block, FIG. 5 is sectional drawing which shows the operation state when the groundwater flows into the underground power cable protection block of this invention.

참고로 본 발명을 설명함에 있어 관련된 공지 기능 또는 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단될 경우에는 그 상세한 설명을 생략하였다.For reference, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof is omitted.

또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운영자의 의도 또는 관례 등에 따라 달라질 수 있다.In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

그러므로, 그 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것임은 물론이다.Therefore, the definition should be made based on the contents throughout the specification.

본 발명의 전력 케이블 보호블럭(70)은, 2가지 타입의 박스체(20)(30) 내부 바닥에 원형 기둥 형태로 형성된 다수개의 받침대(40)가 볼트고정되고, 받침대(40)의 원형홈(41)에 부력체(50)의 돌출봉부(52)가 삽입되며, 부력체(50)의 상면에 고정판(55)이 부착되어 박스체(20)(30) 내면에 형성된 사각홈(21)을 따라 부력체(50)가 상승되는 구조를 가지도록 설치된다.In the power cable protection block 70 of the present invention, a plurality of pedestals 40 formed in the form of a circular column on the inner bottom of two types of box bodies 20 and 30 are bolted and a circular groove of the pedestal 40. The protruding rod portion 52 of the buoyancy body 50 is inserted into the 41, and the fixing plate 55 is attached to the upper surface of the buoyancy body 50 so that the square groove 21 formed on the inner surface of the box bodies 20 and 30. Along the buoyancy body 50 is installed so as to have a structure.

상기 박스체(20)(30)는 대략 'ㅗ'자 형태를 가지되, 내면에 사각홈(21)이 형 성되고, 박스체(20)가 박스체(30)에 길이로 연장되어 설치되며, 이때 박스체(30)에는 길이 양측에 단턱(31)이 형성되는 바, 박스체(30)의 길이 양측에 박스체(20)가 밀착설치되는 형태로 연장된다.The box body 20, 30 has a substantially 'ㅗ' shape, the square groove 21 is formed on the inner surface, the box body 20 is installed extending to the box body 30 in length In this case, the box body 30 is formed with stepped bars 31 on both sides of the length, and the box body 20 extends in a form in which the box body 20 is installed on both sides of the length of the box body 30.

이때, 박스체(30)에는 단턱(31)에 접착제를 도포한 상태에서 박스체(20)가 밀착설치되게 되고, 박스체(20)(30)에는 바닥에 매설 너트(35)가 매설되어 있어 받침대(40)개 볼트(43)에 의해 고정된다.At this time, the box body 30 is installed in close contact with the box body 30 in the state where the adhesive is applied to the step 31, and the buried nuts 35 are buried in the bottom of the box bodies 20 and 30. The base 40 is fixed by the bolts 43.

상기 받침대(40)는 원형 기둥 형태로 상면 중앙에서 하면 바닥에 인접하여 원형홈(41)이 형성되되, 받침대(40)에는 원형홈(41) 바닥에 볼트(43)가 체결되어 박스체(20)(30)의 바닥 상면에 밀착설치된다.The pedestal 40 is formed in a circular pillar shape in the center of the upper surface of the circular groove 41 is formed adjacent to the bottom, the bolt 40 is fastened to the bottom of the circular groove 41 in the pedestal 40, the box body 20 It is installed in close contact with the bottom upper surface of the (30).

이때, 받침대(40)는 박스체(20)(30)에 다수개가 밀착설치된 상태에서 상부에 부력체(50)가 안착된다.At this time, the pedestal 40 is the buoyancy body 50 is seated on the upper portion in a state in which a plurality of close to the box body 20, 30 is installed.

상기 부력체(50)는 단면이 타원 몸체(55)로, 타원 몸체(55)의 상면에 다수개의 안착홈(51)이 반원 형태로 형성되고, 타원 몸체(55)의 바닥면에 원형 기둥 형태로 다수개의 돌출봉부(52)가 일체형성되며, 타원 몸체(55)의 상면에 연접되어 폭 양측에 날개부(53)가 돌출형성된다.The buoyancy body 50 is a cross-section is an ellipse body 55, a plurality of seating grooves 51 are formed in a semicircular shape on the upper surface of the ellipse body 55, a circular column shape on the bottom surface of the ellipse body (55) The plurality of protruding rods 52 are integrally formed, and are connected to the upper surface of the ellipse body 55 so that the wing portions 53 protrude on both sides of the width.

즉, 부력체(50)는 돌출봉부(52)가 받침대(40)의 원형홈(41)에 삽입되어 박스체(20)(30) 내부로 지하수가 유입되는 경우 부력체(50)의 타원 몸체(55)가 상승하게 될 뿐만 아니라, 타원 몸체(55)가 상승되는 경우 타원 몸체(55)의 상면이 박스체(20)(30)의 중간 위치 수평판에 밀착되게 되어 지하수가 박스체(20)(30)의 상부로 유입되는 것을 최소화할 수 있게 된다.That is, the buoyancy body 50 is an ellipsoidal body of the buoyancy body 50 when the protruding rod portion 52 is inserted into the circular groove 41 of the pedestal 40 and the groundwater flows into the box bodies 20 and 30. Not only does the 55 rise, but when the ellipse body 55 is raised, the upper surface of the ellipse body 55 is brought into close contact with the horizontal plate in the middle position of the box bodies 20 and 30 so that the groundwater is the box body 20. It is possible to minimize the inflow to the top of the (30).

또한, 부력체(50)에는 타원 몸체(55)의 양측면 날개부(53)의 상면에 금속 재질로 제작되는 고정판(56)이 밀착설치되므로 박스체(20)(30)의 사각홈(21)을 따라 상승 및 하강이 용이롭게 이루어진다.In addition, the buoyancy body 50 is fixed to the upper surface of the two sides of the wing portion 53 of the ellipse body 55, the fixing plate 56 made of a metal material is installed in close contact with the square groove 21 of the box body (20) (30) Ascending and descending are made easy.

상기 부력체(50)에는 날개부(53)가 위치된 상면에 고정판(56)이 밀착되어 안착되되, 부력체(50)의 안착홈(51)에 전력 케이블(60)이 안착되고, 전력 케이블(60)의 외측을 박스체(20)(30)가 감싸는 형태로 이루어지는 바, 간혹 도심에서 상수도 파열 또는 가스관 분리 사고가 발생되는 경우에도 포크레인으로 작업중에 전력 케이블(60)을 파손시키는 문제점을 해결할 수 있게 된다.The buoyancy body 50 is fixed to the fixing plate 56 on the upper surface where the wing portion 53 is located is seated, the power cable 60 is seated in the seating groove 51 of the buoyancy body 50, the power cable Bars 20 and 30 are wrapped around the outside of the 60 to solve the problem of breaking the power cable 60 during operation with a fork lane even in the case of a water supply rupture or gas pipe separation accident in the city. It becomes possible.

상술한 전력 케이블 보호블럭(70)의 시공 상태를 설명한다.The construction state of the above-mentioned power cable protection block 70 will be described.

첫째로, 전력 케이블(60)이 매설될 위치에 터파기 작업을 실시하고 터파기 작업된 바닥면을 다짐작업하게 된다.First, the digging operation is performed at the position where the power cable 60 is to be embedded, and the digging bottom surface is compacted.

둘째로, 터파기된 장소에 박스체(20)(30)를 길이로 연장설치한다.Secondly, the box body 20, 30 is extended to a length in the excavated place.

이때, 박스체(20)(30) 내부에는 바닥면에 미리 받침대(40)를 볼트(43)로 고정하게 되고, 부력체(50)를 받침대(40)에 안착하게 된다.At this time, the pedestal 40 is fixed to the pedestal 40 on the bottom surface in advance in the box body 20, 30, and the buoyancy body 50 is seated on the pedestal 40.

셋째로, 박스체(20)(30) 내부에 전력 케이블(60)을 안착한 뒤 터파기된 장소에 되메우기 작업을 실시하여 마감하게 된다.Third, the power cable 60 is seated in the box body 20 and 30, and then the back-filling work is completed at the ruptured place.

이때, 박스체(20)(30)에는 부력체(50)가 안착되어 위치되는 바, 전력 케이블(60)의 부력체(50)의 안착홈(51)에 정렬하여 배치하게 된다.At this time, the buoyancy body 50 is seated in the box bodies 20 and 30 so that the buoyancy body 50 is positioned to be aligned with the seating groove 51 of the buoyancy body 50 of the power cable 60.

상술한 박스체(20)(30)와 받침대(40)는 플라스틱 재질로 제작하여 사용하되, 부력체(50)는 우레탄 폼 재질로 제작할 수 있고, 박스체(20)(30) 내부에 설치되는 부력체(50)는 박스체(20)(30) 내부의 사각홈(21)에 삽입시 어려움이 있는 바, 부력체(50)의 날개부(53)의 길이를 짧게 형성하고 날개부(53)의 상면에 고정판(56)을 밀착설치하여 지하수 유입에 따라 부력체(50)가 상승할 수 있도록 설치할 수 있다.The box body 20, 30 and the pedestal 40 is made of a plastic material, but the buoyancy body 50 can be made of a urethane foam material, which is installed inside the box body 20, 30 The buoyancy body 50 is difficult to insert into the square groove 21 in the box body 20, 30, bar length of the wing portion 53 of the buoyancy body 50 is formed short and wing portion 53 By mounting the fixing plate 56 in close contact with the upper surface of the can be installed so that the buoyancy body 50 can rise in accordance with the inflow of groundwater.

도 1은 본 발명 지중 전력 케이블 보호블럭의 사시도,1 is a perspective view of a ground power cable protection block of the present invention;

도 2는 본 발명 지중 전력 케이블 보호블럭의 분해 사시도,2 is an exploded perspective view of the underground power cable protection block of the present invention;

도 3은 본 발명 지중 전력 케이블 보호블럭의 길이를 절단한 단면도,Figure 3 is a cross-sectional view cut the length of the underground power cable protection block of the present invention,

도 4는 본 발명 지중 전력 케이블 보호블럭의 폭을 절단한 단면도,Figure 4 is a cross-sectional view cut the width of the underground power cable protection block of the present invention,

도 5는 본 발명 지중 전력 케이블 보호블럭의 내부에 지하수가 유입된 경우의 작동 상태를 나타내는 단면도이다.5 is a cross-sectional view showing an operating state when groundwater flows into the underground power cable protection block of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10; 지중 20,30; 박스체10; 20,30 underground; Box

21; 사각홈 31; 단턱21; Square groove 31; Step

40; 받침대 41; 원형홈40; Pedestal 41; Circular groove

43; 볼트 50; 부력체43; Bolt 50; Buoyancy body

51; 안착홈 52; 돌출봉부51; Seating groove 52; Protruding Bar

53; 날개부 55; 타원 몸체53; Wing 55; Ellipse body

56; 고정판 60; 전력 케이블56; Fixing plate 60; Power cable

70; 보호 블럭70; Protection block

Claims (1)

박스체(20)(30)는 대략 'ㅗ'자 형태를 가지되, 내면에 사각홈(21)이 형성되고, 박스체(20)가 박스체(30)에 길이로 연장되어 설치되며, 박스체(30)에는 길이 양측에 단턱(31)이 형성되어 길이 양측에 박스체(20)가 밀착설치되는 형태로 연장되며, Box body 20, 30 has a substantially 'ㅗ' shape, the square groove 21 is formed on the inner surface, the box body 20 is installed to extend the length of the box body 30, the box Step 30 is formed in the sieve 30 on both sides of the length is extended in the form that the box body 20 is installed in close contact with both sides of the length, 박스체(20)(30)에는 바닥에 매설 너트(35)가 매설되어 있어 받침대(40)가 볼트(43)에 의해 고정되되, 받침대(40)는 원형 기둥 형태로 상면 중앙에서 하면 바닥에 인접하여 원형홈(41)이 형성되며, The buried nuts 35 are buried in the bottom of the box bodies 20 and 30 so that the pedestal 40 is fixed by the bolts 43, but the pedestal 40 is adjacent to the bottom surface at the center of the upper surface in the form of a circular column. Circular groove 41 is formed, 박스체(20)(30)의 바닥 상면에 밀착설치된 받침대(40)에는 부력체(50)가 안착되되, 부력체(50)는 단면이 타원 몸체(55)로, 타원 몸체(55)의 상면에 다수개의 안착홈(51)이 반원 형태로 형성되고, 타원 몸체(55)의 바닥면에 원형 기둥 형태로 다수개의 돌출봉부(52)가 일체형성되며, 타원 몸체(55)의 상면에 연접되어 폭 양측에 날개부(53)가 돌출형성되며, The buoyancy body 50 is seated on the pedestal 40 in close contact with the bottom surface of the box body 20, 30, the buoyancy body 50 is the elliptical body 55, the cross section of the upper surface of the ellipse body 55 A plurality of seating grooves 51 are formed in a semicircle shape, and a plurality of protruding rods 52 are integrally formed on the bottom surface of the ellipse body 55 in the form of a circular column, and are connected to the upper surface of the ellipse body 55. Wings 53 protrude on both sides of the width, 부력체(50)는 돌출봉부(52)가 받침대(40)의 원형홈(41)에 삽입되어 박스체(20)(30) 내부로 지하수가 유입되는 경우 부력체(50)의 타원 몸체(55)가 상승하게 될 뿐만 아니라, 부력체(50)에는 타원 몸체(55)의 양측면 날개부(53)의 상면에 금속 재질로 제작되는 고정판(56)이 밀착설치되어 박스체(20)(30)의 사각홈(21)을 따라 상승 및 하강하는 부력체(50)의 이탈을 방지하도록 설치됨을 특징으로 하는 지중 전력 케이블 보호블럭.The buoyancy body 50 is an ellipsoidal body 55 of the buoyancy body 50 when the protruding rod portion 52 is inserted into the circular groove 41 of the pedestal 40 and the groundwater flows into the box bodies 20 and 30. ) As well as the buoyancy body 50, the fixing plate 56 made of a metal material on the upper surface of both side wing portion 53 of the ellipsoidal body 55 is installed in close contact with the box body (20, 30) Underground power cable protection block, characterized in that it is installed to prevent the separation of the buoyancy body 50 to rise and fall along the square groove (21).
KR1020070125927A 2007-12-06 2007-12-06 Electric acble for block KR100807713B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101656787B1 (en) * 2016-03-14 2016-09-12 이경연 Equipment for fixign a subterranean line
KR101659903B1 (en) * 2016-03-11 2016-09-26 주식회사 삼일엔지니어링 Pipe structure for protecting the short of subterranean line
KR101664211B1 (en) * 2016-03-04 2016-10-10 이수이엔지 주식회사 Pipe structure to protect a subterranean line
KR101666175B1 (en) * 2016-03-24 2016-10-14 김순자 Connecting structure for preventing separation of subterranean line

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100767746B1 (en) 2007-05-30 2007-10-17 (주)한화종합기술단 Structure for wiring underground power cable

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100767746B1 (en) 2007-05-30 2007-10-17 (주)한화종합기술단 Structure for wiring underground power cable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101664211B1 (en) * 2016-03-04 2016-10-10 이수이엔지 주식회사 Pipe structure to protect a subterranean line
KR101659903B1 (en) * 2016-03-11 2016-09-26 주식회사 삼일엔지니어링 Pipe structure for protecting the short of subterranean line
KR101656787B1 (en) * 2016-03-14 2016-09-12 이경연 Equipment for fixign a subterranean line
KR101666175B1 (en) * 2016-03-24 2016-10-14 김순자 Connecting structure for preventing separation of subterranean line

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