KR100846132B1 - Ground apparatus of electric wiring - Google Patents

Ground apparatus of electric wiring Download PDF

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Publication number
KR100846132B1
KR100846132B1 KR1020080015616A KR20080015616A KR100846132B1 KR 100846132 B1 KR100846132 B1 KR 100846132B1 KR 1020080015616 A KR1020080015616 A KR 1020080015616A KR 20080015616 A KR20080015616 A KR 20080015616A KR 100846132 B1 KR100846132 B1 KR 100846132B1
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South Korea
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ground
grounding
insertion hole
electric pole
pole
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KR1020080015616A
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Korean (ko)
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최원영
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최원영
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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
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • H02G13/40—Connection to earth
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22—Sockets or holders for poles or posts
    • E04H12/2253—Mounting poles or posts to the holder
    • E04H12/2276—Clamping poles or posts on a stub
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

A ground apparatus of a distribution line is provided to improve grounding effect by having a plurality of extending ground rods horizontally inserted into ground bars to be conducted. Ground bars(10,10a,10b,10c) are installed on an outer peripheral surface of an electric pole to support the electric pole and inserted into a ground support(20). Each of the ground bars is a long rectangular plate body formed by wrapping a conducting rod with plastic insulating rubber and has an upper end bolt(11a) protruded from the conducting rod, left and right anchor bolts(11b,11c) obliquely protruded at upper left and right sides, a fixing piece having anchor holes and fixed by a nut, and a plurality of elastic grooves formed at a lower end and having contact balls elastically protruded outward by springs. The ground support fixes the electric pole and the ground bars while being conducted and has an electric pole insertion hole formed at a center to insert a lower end of the electric pole, ground bar insertion holes formed around the electric pole insertion hole to insert the ground bars, ball grooves formed at lower ends of the ground bar insertion holes to insert the contact balls elastically, and insertion grooves formed around a downward inclined surface. An extending ground rod(30) is installed at a lower end of the ground support to be extended to the ground in all directions and has ground rods(31,31a,31b,31c) received in the insertion grooves of the ground support to be extended outward. An insulating cover(40) insulates an upper surface and an outer peripheral surface of the ground support.

Description

배전선 접지장치{Ground apparatus of electric wiring}Ground apparatus of electric wiring

본 발명은 배전선 접지장치에 관한 것으로서, 보다 상세하게는 지하에 매설되는 전주의 하단부 사방에 절연체에 감싸여 고정된 도체인 접지대를 확대접지봉과 결합통전시킴으로써 접지대과 연결된 인하선의 접지를 보다 손쉽고 간편하게 설치시공할 수 있고, 접지대로 수평삽입되어 통전되는 다수 개의 확대접지봉을 통해서 보다 높은 접지효과를 얻을 수 있는 배전선 접지장치에 관한 것이다. The present invention relates to a distribution line grounding device. More specifically, the grounding of the lower wire connected to the grounding band is more easily and conveniently connected by conducting the grounding rod, which is a conductor connected to the grounding band, wrapped around the lower end of the pole to be buried underground. The present invention relates to a distribution line grounding device which can be installed and obtains a higher grounding effect through a plurality of expansion ground rods which are horizontally inserted into the ground and are energized.

일반적으로 산업화, 정보화 및 도시화되는 현대사회는 밀집된 지역에서 많은 에너지를 소비하는 특징을 가지며, 이러한 에너지 중 가장 사용이 편리하고 수송이 간단하며 공해가 없는 깨끗한 에너지로서 사용되는 전력의 안정적인 공급은 산업 전반에 걸쳐 중요한 요인이 되는 실정이다.In general, industrialized, informatized and urbanized modern society is characterized by consuming a lot of energy in dense areas, and the stable supply of electric power used as clean energy, which is the most convenient to use, simple to transport, and pollution-free, This is an important factor throughout.

상기의 중요한 에너지인 전력의 안정적인 공급을 위해서는 낙뢰와 같은 자연적인 재해로부터 미연에 방류하여 안정적으로 공급되어야 함은 물론 전기의 고품질도 보장되어야 하는데, 발전소에서 발전된 고품질의 전력을 일반 수용가에까지 안정적으로 전달하려면 송전선은 전력 수용가와 직결된 배전선에서의 물질확보가 필요한 동시에 고품질의 전력 공급을 위해서는 양호한 접지가 필수적인 요소가 되고, 상기 접지는 전력이나 낙뢰로부터 인간을 보호하는 기능을 담당할 뿐만 아니라 전력사업의 측면에서 기준 전위를 제공하며, 낙뢰로부터 전력설비를 보호하고 계통의 고장시 귀로 전류의 통로가 되는 아주 중요한 역할을 담당하고 있을 뿐 아니라 정보화 사회로의 가속화가 진행되면서 일반 가정에서도 팩스밀리 또는 컴퓨터를 이용한 화상정보 및 인터넷등 의 설비가 이용되고 있어 사고의 피해와 피해액이 상대적으로 커지고 있으며, 특히 이러한 기기는 써지성의 급준파에 약한 측면이 있어 더욱더 전력의 고품질화를 요구하고 있다.The stable supply of power, the important energy above, must not only be discharged from natural disasters such as lightning strikes, but also be supplied stably and ensure the high quality of electricity. To do this, the transmission line needs to secure the material on the distribution line directly connected to the power consumer, and good grounding is essential for the high-quality power supply, and the grounding not only serves to protect humans from electric power or lightning, In addition to providing a reference potential in terms of protection, it plays a very important role in protecting power equipment from lightning strikes and providing a path for return current in the event of a system breakdown. Image information Due to the use of facilities such as the Internet and the Internet, the damage and the amount of damage are relatively large. In particular, these devices have a weak side to surge surges, and thus require higher power quality.

상기 전력은 발전소로부터 변전소로 전송되어 흔히 콘크리트 전주를 지지물로 하는 배전선을 따라 전주위의 주상 변압기를 통해 가정에 전달되는데, 배전선은 지중선과 가공선으로 분류되며, 지중선은 상대적으로 안정적인 전력을 공급하는데 우수한 반면, 건설비가 가공선에 비해 10배 이상 소요되고 사고의 파급이 크다는 문제가 있고, 특히 도심의 미관 등을 고려할 때 지중선이 바람직하나 이미 형성된 기존 도시에 지중선을 시공하기는 쉽지 않으므로 현재 가공선에 의한 전력의 전송이 함께 이루어지고 있는 것이다.The power is transmitted from the power plant to the substation and is often delivered to the home through the pole transformers around the pole along the distribution line supporting the concrete pole. The distribution line is classified into underground line and overhead line, and the underground line is excellent in supplying relatively stable power. On the other hand, there is a problem that the construction cost is more than 10 times that of overhead lines and the impact of accidents is large. Especially, considering the aesthetics of urban centers, underground lines are preferable, but it is not easy to construct underground lines in existing cities. Is being transmitted together.

또한, 변전소에서 여러 단계의 변압과정을 거친 전력을 각 가정 또는 건물 등의 일반 수용가로 공급하기 위해서는 각 지역에 일정 간격으로 설치되는 전주 등의 배전선로를 이용하게 되는데, 이와 같이 설치되는 배전선로에는 고전압의 흔촉 및 지락(地絡) 사고시 보호계전기의 동작을 확실히 하여 이상전압을 억제하고, 뇌(雷), 써지(surge) 등 이상전압에 의한 기기보호와 누전으로 인한 각종 전기재해 방지를 위하여 접지를 하게 되는 젓이다.In addition, in order to supply electric power that has undergone various stages of transformation in the substation to general consumers in each home or building, distribution lines such as electric poles installed at regular intervals in each region are used. To prevent abnormal voltages by ensuring the operation of protective relay in case of high voltage and ground fault, grounding for protection of equipment by abnormal voltage such as brain, surge, and various electric disasters due to short circuit It's done.

한편, 접지란 전력 설비의 사고나 절연불량, 전원회로나 전자장치에 뇌서지(Lightning Surge) 또는 개폐서지(Switching Surge) 와 같은 과도한 이상전압이 침입 한때 취급자를 감전사고로부터 보호하고 설비기기의 절연파괴를 방지할 뿐만 아니라 정보, 통신 설비에서 잡음을 제거하여 정보전송의 양질화를 이룩하는 기능성을 향상시키는 것으로 대지에 전기적 단자를 접속하는 것이다. 즉, 금속 또는 도전성 물체를 대지와 전기적으로 접속하여 그의 전위를 대지와 같은 전위 또는 전위차를 최소화시키는 수단을 말한다.On the other hand, grounding protects the operator from electric shock accidents and insulates the equipment when an excessive abnormal voltage such as lightning surge or switching surge occurs in the power equipment accident or poor insulation, power circuit or electronic device. In addition to preventing destruction, it also removes noise from information and communication facilities to improve the functionality of achieving high quality information transmission. That is, a means for electrically connecting a metal or a conductive object to the earth and minimizing the potential or potential difference thereof as the earth.

이를 위한 지금까지 배전선로의 접지공사는 전주를 매설할 수 있는 일정깊이의 구덩이를 굴착한 후, 상기 구덩이 일측으로 일정깊이와 폭을 갖는 구덩이를 하나 더 굴착하고, 상기 구덩이에 접지에 사용되는 다수의 접지봉을 햄머 등의 도구를 이용하여 타격시켜 매설한 다음, 상기 전주 내에서 인출되는 인출선과 상기 접지봉을 직렬 또는 병렬로 연결시키게 되며, 상기 작업이 완료되면 상기 구덩이에 흙과 같은 내용물을 체워 시공 및 설치작업이 이루어지게 되는 것이다.To this end, the grounding work of the distribution line has excavated a pit having a predetermined depth to bury electric poles, and then excavates one more pit having a predetermined depth and width to one side of the pit, and uses a plurality of grounds used for grounding the pit. The ground rod of the hammer is struck and buried by using a tool such as a hammer. Then, the lead wire drawn out in the pole and the ground rod are connected in series or in parallel. When the work is completed, the contents such as soil are installed in the pit. And installation is to be done.

하지만, 이와 같은 종래의 시공 작업에 의해 설치 완료된 전주는 배전선로가 광범위한 지역에 산재되어 있어 지역의 상황에 따라 소정의 접지 저항치를 얻기 위한 접지공사가 곤란하였고, 도심지에서 접지공사시 포장된 도로나 보도블럭을 파헤쳐야 되기 때문에 이에 따른 굴착 및 복구비가 과다하게 소요될 뿐만 아니라 지표면의 75㎝정도로 굴착된 지점에서 상기 접지봉을 해머로 타격하여 설치하므로 인해 상기 접지봉이 잘 들어가지 않게 되며, 들어가더라도 수도관, 가스관 및 통신 케이블 등의 기 매설된 지하매설물에 손상을 입히는 경우가 종종 발생하게 되는 문제가 있는 동시에 매설깊이가 깊을수록 접지저항치가 낮게 나타나게 됨으로써 소정의 접지저항치를 얻기가 어려운 문제점이 있었다.However, the electric poles installed by the conventional construction work are scattered in a wide range of distribution lines, so it is difficult to make a grounding work to obtain a predetermined ground resistance value according to the local situation. Due to the excavation of the sidewalk block, not only the excessive excavation and recovery costs are required, but also the ground rod is hardly entered due to the hammer being installed by hitting the ground rod with a hammer at the excavated point of about 75 cm of the ground surface. There is a problem that often causes damage to the underground buried underground, such as gas pipes and communication cables, and at the same time, the deeper the depth deeper the lower the ground resistance appears difficult to obtain a predetermined ground resistance.

또, 접지에 따른 접지저항치를 낮추기 위하여 접지봉을 직렬로 연결하여 시공하거나, 둘 이상의 접지봉을 일정거리 이상 이격하여 병렬로 시공하여 왔으나, 이 모두 시공이 어려울 뿐만 아니라 이로 인해 시공비가 과다하게 소요되고, 접지효과도 만족할 만한 수준이 못 되는 문제점이 있었다.In addition, in order to lower the ground resistance according to grounding, the ground rods are connected in series, or two or more ground rods have been installed in parallel with a predetermined distance, but all of them are not only difficult to construct, but also require excessive construction costs. There was a problem that the grounding effect is also not satisfactory.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 지하에 매설되는 전주의 하단부 사방에 절연체에 감싸여 고정된 도체인 접지대를 확대접지봉과 결합통전시킴으로써 접지대과 연결된 인하선의 접지를 보다 손쉽고 간편하게 설치시공할 수 있고, 접지대로 수평삽입되어 통전되는 다수 개의 확대접지봉을 통해서 보다 높은 접지효과를 얻을 수 있는 배전선 접지장치를 제공함에 그 목적이 있다.The present invention is to solve the problems as described above, the grounding of the lower wire connected to the grounding rod is connected to the grounding rod is connected to the grounding rod is fixed and wrapped around the lower end of the pole installed in the basement, and installed more easily and easily It is an object of the present invention to provide a distribution line grounding device which can be constructed and obtained a higher grounding effect through a plurality of expansion ground rods which are inserted into the ground horizontally and are energized.

이와 같은 목적을 달성하기 위하여, 본 발명은 전주 외주연 사방에 각각 기립위치되는 도체인 통전봉이 플라스틱 절연고무에 의해 감싸인 긴 사각판체로 상단에는 통전봉에서 상단볼트가 돌출형성되어 인하선 하단의 연결너트에 나사체결되고, 상단부 좌우측으로는 사선방향으로 각각 돌출되는 좌우측앵커볼트가 형성되며, 인접된 다른 좌우측앵커볼트와 함께 각각 삽입되는 앵커공을 갖고 너트에 의해 체결고정되는 고정편이 형성되되 고정편 양측단 내면에는 경사면이 각각 형성되어 서로 밀착되고, 하단부에는 스프링의 의해 외부로 탄발돌출되는 도체인 접촉볼을 갖는 탄성요홈이 다수 개 일정간격으로 형성되는 접지대와;In order to achieve the above object, the present invention is a long rectangular plate body wrapped with plastic insulating rubber is a conductive rod that is positioned in each of the outer circumferential edge of Jeonju, the upper bolt protrudes from the conductive rod at the top of the lower line The left and right anchor bolts are screwed to the connecting nut, and the left and right sides of the upper end project in the oblique directions, respectively, and have anchor holes inserted together with other adjacent left and right anchor bolts, respectively. A grounding band having a plurality of elastic grooves having contact balls which are conductors projected outwardly by a spring at a lower end thereof, wherein the inclined surfaces are formed to be in close contact with each other on the inner side of the piece;

상협하광의 원통체로 중심에는 전주 하단부가 삽입되는 전주삽입공이 형성되고, 전주삽입공 사방에는 상기 접지대가 각각 삽입되는 접지대삽입공이 각각 형성되며, 접지대삽입공 하단부에는 상기 접촉볼이 탄성으로 삽입되는 볼홈이 각각 형성되고, 전주삽입공 하단은 외주연 하단보다 상측에 위치되어 하향경사면으로 연결 되며, 하향경사면 사방으로는 삽입요홈이 각각 형성되는 도전성 시멘트 및 탄소섬유를 혼합하여 이루어진 도전체인 접지받침구와;Cylindrical body of the upper and lower beams is formed in the center of the pole insertion hole is inserted into the bottom of the pole, the pole insertion hole is formed in each of the grounding hole insertion hole is inserted into the grounding band, respectively, the bottom of the grounding hole insertion hole the contact ball is elastically inserted Ball grooves are formed respectively, and the lower end of the pole insertion hole is located above the outer periphery and connected to the downward inclined plane, and the ground support, which is a conductor made of a mixture of conductive cement and carbon fiber, respectively, in which the recess is formed. Bulb;

십자형상의 도전체로 상기 접지받침구의 전주삽입공 하단에 위치되어 상기 삽입요홈에 안착되어 하향외측으로 연장되되 점차로 굵기가 작아지는 접지봉이 형성되는 금속재질의 확대접지봉과;An enlarged ground rod made of a metal material having a cross-shaped conductor positioned at a lower end of the pole insertion hole of the ground support hole, which is seated in the insertion recess and extends downward and outwards and gradually decreases in thickness;

상협하광의 관체로 중심에 상기 전주가 관통되는 관통공을 갖고 상기 접지받침구의 상면과 외면을 감싸는 고무재질의 절연커버를 구비하는 특징이 있다.It has a feature of having an insulating cover of rubber material surrounding the upper surface and the outer surface of the ground support hole having a through hole through the pole in the center of the tube of the upper side light.

이와 같이, 본 발명은 지하에 매설되는 전주의 하단부 사방에 절연체에 감싸여 고정된 도체인 접지대를 확대접지봉과 결합통전시킴으로써 접지대과 연결된 인하선의 접지를 보다 손쉽고 간편하게 설치시공할 수 있고, 접지대로 수평삽입되어 통전되는 다수 개의 확대접지봉을 통해서 보다 높은 접지효과를 얻을 수 있는 효과가 있다.As described above, the present invention can be installed more easily and simply by installing the grounding of the lower wire connected to the grounding strap by connecting and conducting the grounding conductor, which is wrapped around the lower end of the pole that is buried underground, with the grounding rod fixed to the grounding rod. There is an effect that a higher grounding effect can be obtained through a plurality of enlarged ground rods that are horizontally inserted and energized.

본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

이하, 본 발명을 첨부된 도면에 의해 보다 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

도 1은 본 발명 실시 예인 배전선 접지장치의 시공모습을 보인 사시도이고, 도 2는 본 발명 실시 예인 배전선 접지장치의 체결모습을 보인 분리 사시도이며, 도 3은 본 발명 실시 예인 배전선 접지장치의 시공모습을 보인 요부확대 측단면도이고, 도 4는 본 발명 실시 예인 배전선 접지장치의 시공모습을 보인 평면도이다.1 is a perspective view showing the construction of the distribution line grounding device according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing the fastening of the distribution line grounding device according to the embodiment of the present invention, Figure 3 is a construction of a distribution line grounding device according to an embodiment of the present invention 4 is a plan view showing a construction of a distribution line grounding device according to an embodiment of the present 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 배전선 접지장치는, 전주(50) 외주면 사방에 위치되어 전주(50)를 지지하면서 접지받침구(20)에 삽입고정되는 접지대(10,10a,10b,10c)와, 전주(50)와 접지대(10,10a,10b,10c)를 고정지지하면서 통전이 이루어지는 접지받침구(20)와, 접지받침구(20) 하단에 위치되어 사방 지면(60)으로 확산되는 확대접지봉(30)과, 접지받침구(20)의 상면과 외주면을 절연시키는 절연커버(40)로 구성된다.The distribution line grounding apparatus of the present invention is located on the outer circumferential surface of the electric pole 50, while supporting the electric pole 50, the grounding band (10, 10a, 10b, 10c) is fixed to the ground support 20, and electric pole 50 ) And a grounding support hole 20 through which electricity is applied while supporting the grounding straps 10, 10a, 10b, and 10c, and an enlarged grounding rod 30 which is located at the bottom of the ground support hole 20 and spreads to the ground 60 in all directions. ) And an insulating cover 40 that insulates the upper surface and the outer circumferential surface of the ground holder 20.

상기 접지대(10,10a,10b,10c)는 전주(50) 외주연 사방에 각각 기립위치되는 도체인 통전봉(11)이 플라스틱 절연고무(13)에 의해 감싸인 긴 사각판체로, 상단에는 통전봉(11)에서 상단볼트(11a)가 상부로 돌출형성되어 인하선(15) 하단의 연결너트(15a)에 나사체결되고, 상단부 좌우측으로는 사선방향으로 각각 돌출되는 좌우측앵커볼트(11b,11c)가 형성되며, 인접된 다른 좌우측앵커볼트(11b,11c)와 함께 각 각 삽입되는 앵커공(14a,14b)을 갖고 너트(14e)에 의해 체결고정되는 고정편(14)이 형성되되 고정편(14) 양측단 내면에는 경사면(14c,14d)이 각각 형성되어 서로 밀착되어 정사각형상을 이루고, 하단부에는 스프링(12a)의 의해 외부로 탄발돌출되는 도체인 접촉볼(12)을 갖는 탄성요홈(11d)이 다수 개 일정간격 상하부로 형성된다. The grounding band (10, 10a, 10b, 10c) is a long rectangular plate body wrapped in a plastic insulating rubber 13, the conducting rod 11, which is a conductor standing upright on the outer periphery of the electric pole 50, respectively, The upper bolt 11a protrudes upward from the energizing rod 11 to be screwed to the connection nut 15a at the lower end of the lower line 15, and the left and right anchor bolts 11b each protrude in an oblique direction to the left and right sides of the upper end portion. 11c) is formed, and the fixing pieces 14 are fastened and fixed by the nut 14e with anchor holes 14a and 14b respectively inserted along with the other left and right anchor bolts 11b and 11c adjacent to each other. Inclined surfaces 14c and 14d are formed on the inner surface of both ends, respectively, and are in close contact with each other to form a square shape, and at the lower end, an elastic groove having a contact ball 12 which is a conductor projected outwardly by a spring 12a. A plurality of 11d is formed at the upper and lower portions of the predetermined interval.

상기 접지받침구(20)는 도전성 시멘트 및 탄소섬유를 혼합하여 이루어진 상협하광의 도전체인 원통체로, 중심에는 전주(50) 하단부가 삽입되는 전주삽입공(21)이 형성되고, 전주삽입공(21) 사방에는 상기 접지대(10,10a,10b,10c)가 각각 삽입되는 접지대삽입공(22,22a,22b,22c)이 각각 형성되며, 접지대삽입공(22,22a,22b,22c) 하단부에는 상기 접촉볼(12)이 탄성으로 삽입되는 볼홈(23)이 각각 형성되고, 전주삽입공(21) 하단은 외주연 하단보다 상측에 위치되어 하향경사면(24)으로 연결되며, 하향경사면(24) 사방으로는 삽입요홈(25,25a,25b,25c)이 각각 형성된다. The grounding support 20 is a cylindrical body of a conductive material of the upper and lower light formed by mixing conductive cement and carbon fiber, the center of the electric pole insertion hole 21 is inserted into the lower end of the electric pole 50, the electric pole insertion hole 21 ) The ground band insertion holes 22, 22a, 22b and 22c into which the ground bands 10, 10a, 10b and 10c are inserted are respectively formed, and the ground band insertion holes 22, 22a, 22b and 22c respectively. The lower end portion is formed with a ball groove 23 is inserted into the contact ball 12 elastically, the lower end of the electric pole insertion hole 21 is located above the outer periphery and connected to the downward inclined surface 24, the downward inclined surface ( 24) In each direction, the insertion grooves 25, 25a, 25b, and 25c are formed.

상기 확대접지봉(30)은 십자형상의 금속재질인 도전체로, 상기 접지받침구(20)의 전주삽입공(21) 하단에 위치되어 상기 삽입요홈(25,25a,25b,25c)에 안착되어 하향외측으로 연장되되 점차로 굵기가 작아지는 접지봉(31,31a,31b,31c)이 형성된다.The enlarged ground rod 30 is a cross-shaped metal material conductor, which is located at the lower end of the pole insertion hole 21 of the ground support hole 20 and is seated in the insertion recesses 25, 25a, 25b, and 25c. Extending to the ground rods (31, 31a, 31b, 31c) is gradually reduced in thickness is formed.

상기 절연커버(40)는 상협하광의 고무재질인 관체로, 중심에 상기 전주(50)가 관통되는 관통공(41)을 갖고 상기 접지받침구(20)의 상면과 외면을 감싸 절연시킨다. The insulating cover 40 is a rubber material of upper and lower light, and has a through hole 41 through which the electric pole 50 penetrates in a center thereof, and wraps and insulates an upper surface and an outer surface of the ground holder 20.

이와 같은 본 발명은, 인하선(15) 하단의 연결너트(15)와 나사결합된 접지대(10,10a,10b,10c)의 상단볼트(11a)를 거쳐 통전봉(11)을 통하게 되고, 이는 다시 지면(60)에 매립된 통전봉(11) 하단의 접촉볼(12)을 거쳐 도체인 접지받침구(20)에 통전된다.The present invention, through the conduction rod 11 through the upper bolt (11a) of the ground nut (10, 10a, 10b, 10c) screwed to the connection nut 15 of the lower line 15, It is again energized to the ground support hole 20 through the contact ball 12 of the lower end of the energizing rod 11 embedded in the ground (60).

또한, 접지받침구(20) 하단에 위치된 확대접지봉(30)을 통해서 지면(60)으로 안정된 접지가 이루어지게 된다.In addition, a stable ground is made to the ground 60 through the enlarged ground rod 30 located at the bottom of the ground support (20).

도 1은 본 발명 실시 예인 배전선 접지장치의 시공모습을 보인 사시도이고, 도 2는 본 발명 실시 예인 배전선 접지장치의 체결모습을 보인 분리 사시도이며, 도 3은 본 발명 실시 예인 배전선 접지장치의 시공모습을 보인 요부확대 측단면도이고, 도 4는 본 발명 실시 예인 배전선 접지장치의 시공모습을 보인 평면도.1 is a perspective view showing the construction of the distribution line grounding device according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing the fastening of the distribution line grounding device according to the embodiment of the present invention, Figure 3 is a construction of a distribution line grounding device according to an embodiment of the present invention 4 is a plan view showing a construction of a distribution line grounding device according to an embodiment of the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10,10a,10b,10c : 접지대 11 : 통전봉10, 10a, 10b, 10c: grounding band 11: energizing rod

11a : 상단볼트 11b,11c : 좌우측앵커볼트11a: Upper bolt 11b, 11c: Left and right anchor bolts

12 : 접촉볼 12a : 스프링12: contact ball 12a: spring

13 : 플라스틱 절연고무 14 : 고정편13: plastic insulating rubber 14: fixing piece

14a,14b : 앵커공 14c,14d : 경사면14a, 14b: anchor ball 14c, 14d: slope

14e : 너트 15 : 인하선14e: Nut 15: Lower Line

15a : 연결너트15a: Connecting nut

20 : 접지받침구 21 : 전주삽입공20: grounding support 21: electric pole insertion hole

22,22a,22b,22c : 접지대삽입공 23 : 볼홈 22, 22a, 22b, 22c: grounding hole insertion 23: ball groove

24 : 하향경사면 25,25a,25b,25c : 삽입요홈24: downward slope 25, 25a, 25b, 25c: insertion groove

30 : 확대접지봉 31,31a,31b,31c : 접지봉 30: expansion ground rod 31, 31a, 31b, 31c: ground rod

40 : 절연커버 41 : 관통공40: insulation cover 41: through hole

50 : 전주50: Jeonju

60 : 지면60: ground

Claims (1)

전주 외주연 사방에 각각 기립위치되는 도체인 통전봉이 플라스틱 절연고무에 의해 감싸인 긴 사각판체로 상단에는 통전봉에서 상단볼트가 돌출형성되어 인하선 하단의 연결너트에 나사체결되고, 상단부 좌우측으로는 사선방향으로 각각 돌출되는 좌우측앵커볼트가 형성되며, 인접된 다른 좌우측앵커볼트와 함께 각각 삽입되는 앵커공을 갖고 너트에 의해 체결고정되는 고정편이 형성되되 고정편 양측단 내면에는 경사면이 각각 형성되어 서로 밀착되어 정사각형을 이루고, 하단부에는 스프링의 의해 외부로 탄발돌출되는 도체인 접촉볼을 갖는 탄성요홈이 다수 개 일정간격 상하부로 형성되는 접지대와;The conducting rods, which are conductors each standing upright on the outer circumference of Jeonju, are long rectangular plates wrapped with plastic insulating rubber.The upper bolts protrude from the conducting rods at the top, and are screwed into the connection nut at the lower part of the lower line. Left and right anchor bolts are formed to protrude in an oblique direction, respectively, and have anchor holes inserted together with other adjacent left and right anchor bolts, respectively, and fixed pieces are fastened and fastened by nuts, and inclined surfaces are formed on both inner surfaces of the fixed pieces. A close contact with a square, and at the lower end, a grounding band having a plurality of elastic grooves having contact balls which are conductors projected outwardly by a spring, the upper and lower parts having a predetermined interval; 상협하광의 원통체로 중심에는 전주 하단부가 삽입되는 전주삽입공이 형성되고, 전주삽입공 사방에는 상기 접지대가 각각 삽입되는 접지대삽입공이 각각 형성되며, 접지대삽입공 하단부에는 상기 접촉볼이 탄성으로 삽입되는 볼홈이 각각 형성되고, 전주삽입공 하단은 외주연 하단보다 상측에 위치되어 하향경사면으로 연결되며, 하향경사면 사방으로는 삽입요홈이 각각 형성되는 도전성 시멘트 및 탄소섬유를 혼합하여 이루어진 도전체인 접지받침구와;Cylindrical body of the upper and lower beams is formed in the center of the pole insertion hole is inserted into the bottom of the pole, the pole insertion hole is formed in each of the grounding hole insertion hole is inserted into the grounding band, respectively, the bottom of the grounding hole insertion hole the contact ball is elastically inserted Ball grooves are formed respectively, and the lower end of the pole insertion hole is located above the outer periphery and connected to the downward inclined plane, and the ground support, which is a conductor made of a mixture of conductive cement and carbon fiber, respectively, in which the recess is formed. Bulb; 십자형상의 도전체로 상기 접지받침구의 전주삽입공 하단에 위치되어 상기 삽입요홈에 안착되어 하향외측으로 연장되되 점차로 굵기가 작아지는 접지봉이 형성되는 금속재질의 확대접지봉과;An enlarged ground rod made of a metal material having a cross-shaped conductor positioned at a lower end of the pole insertion hole of the ground support hole, which is seated in the insertion recess and extends downward and outwards and gradually decreases in thickness; 상협하광의 관체로 중심에 상기 전주가 관통되는 관통공을 갖고 상기 접지받 침구의 상면과 외면을 감싸 절연시키는 고무재질의 절연커버를 구비하는 배전선 접지장치.A distribution line grounding device having a through hole through which the electric pole penetrates in the center of the upper and lower light beams, and an insulating cover made of rubber material to surround and insulate the upper and outer surfaces of the grounding bedding.
KR1020080015616A 2008-02-21 2008-02-21 Ground apparatus of electric wiring KR100846132B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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KR101737819B1 (en) 2016-12-12 2017-05-22 보타리에너지 주식회사 Multi functional base for electric vehicle, and construction method thereof
KR101737818B1 (en) 2016-11-16 2017-05-22 보타리에너지 주식회사 Electric vehicle charger
CN111106589A (en) * 2019-12-28 2020-05-05 江西金牛座科技有限公司 Lightning protection pier for lightning protection belt support
KR102560390B1 (en) * 2022-12-26 2023-07-27 주식회사 일레코 Electric supply line road ground connection construction work method

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JP2005135721A (en) 2003-10-30 2005-05-26 Sankosha Corp Grounding device and its execution method
KR100652223B1 (en) 2003-12-24 2006-12-04 주식회사 삼성산업 Earthing Apparatus and Concrete Electric Pole utilizing it
KR100775849B1 (en) 2007-08-20 2007-11-12 (주)엑서런트 Ground plate for electric pole

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KR20030047909A (en) * 2003-01-27 2003-06-18 창명중전기 주식회사 Ground plate for electric pole
JP2005135721A (en) 2003-10-30 2005-05-26 Sankosha Corp Grounding device and its execution method
KR100652223B1 (en) 2003-12-24 2006-12-04 주식회사 삼성산업 Earthing Apparatus and Concrete Electric Pole utilizing it
KR100775849B1 (en) 2007-08-20 2007-11-12 (주)엑서런트 Ground plate for electric pole

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101737818B1 (en) 2016-11-16 2017-05-22 보타리에너지 주식회사 Electric vehicle charger
KR101737819B1 (en) 2016-12-12 2017-05-22 보타리에너지 주식회사 Multi functional base for electric vehicle, and construction method thereof
CN111106589A (en) * 2019-12-28 2020-05-05 江西金牛座科技有限公司 Lightning protection pier for lightning protection belt support
KR102560390B1 (en) * 2022-12-26 2023-07-27 주식회사 일레코 Electric supply line road ground connection construction work method

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