KR100772919B1 - C-type utility pole under-bracing for construction of utility pole having a part for lifing both ends - Google Patents

C-type utility pole under-bracing for construction of utility pole having a part for lifing both ends Download PDF

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KR100772919B1
KR100772919B1 KR1020070069478A KR20070069478A KR100772919B1 KR 100772919 B1 KR100772919 B1 KR 100772919B1 KR 1020070069478 A KR1020070069478 A KR 1020070069478A KR 20070069478 A KR20070069478 A KR 20070069478A KR 100772919 B1 KR100772919 B1 KR 100772919B1
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South Korea
Prior art keywords
pole
bolt
root
electric pole
insertion hole
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KR1020070069478A
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Korean (ko)
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권세원
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대원전기 주식회사
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Application filed by 대원전기 주식회사 filed Critical 대원전기 주식회사
Priority to KR1020070069478A priority Critical patent/KR100772919B1/en
Application granted granted Critical
Publication of KR100772919B1 publication Critical patent/KR100772919B1/en
Priority to PCT/KR2008/000575 priority patent/WO2009008575A1/en
Priority to US12/071,197 priority patent/US20090013618A1/en
Priority to JP2008045247A priority patent/JP4795372B2/en
Priority to CN2008100897609A priority patent/CN101343878B/en
Priority to US12/662,876 priority patent/US7980030B2/en

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    • 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
    • E04H12/2292—Holders used for protection, repair or reinforcement of the post or pole
    • 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
    • H02G7/00—Overhead installations of electric lines or cables

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

Abstract

A C-type electric pole support having two end lifting parts under-bracing is provided to increase grounding force between the pole and the soil, and to reduce the weight of the electric pole support by forming bolt coupling holes at two sides of the hook insertion holes separately. A C-type electric pole support(10) includes two end lifting parts(11,11'), an outer diameter reduced part(12), a hook insertion hole(13), and slit type bolt holes(14,14'). The two end lifting parts are formed at two upper ends of the pole. The outer diameter reduced part with a smaller outer diameter is formed at the rear side of the electric pole support. The hook insertion hole is formed at the center of the electric pole support. The slit type bolt holes are formed at both sides of the hook insertion holes. A first friction increasing groove(15) is formed at the end of the hook insertion hole of the outer diameter reduced part. Second friction increasing grooves(16,16') are formed at the ends of the bolt insertion holes of the outer diameter reduced part.

Description

양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가 {C-type utility pole under-bracing for construction of utility pole having a part for lifing both ends}C-type electric pole root with a raised end {C-type utility pole under-bracing for construction of utility pole having a part for lifing both ends}

본 발명은 전주를 세워 매립설치하는 건주공사시에 전주의 견고한 근착을 위해 전주의 하단부에 매립되는 Ｃ형 전주근가에 관한 것으로, 특히 전주근가의 설치가 오가크레인의 확장기를 이용한 기계화 시공이 가능하도록 하고, Ｃ형 전주근가의 양단 상측에 양끝올림부를 각각 형성하고, 보다 축소 외경을 갖는 Ｃ형 후측부를 형성함으로써, 더욱 향상된 토양과의 마찰 증대 효과를 통해 전주근가의 매립시 전주의 장력방향으로 토양과의 밀착 면적을 더욱 크게 하여 전주를 더욱 견고하게 지지하면서도, 전주근가의 경량화는 물론 후크삽입공을 추가로 형성하여 더욱 편리한 시공 및 운반 취급을 가능케 한 것이다.The present invention relates to a C-type electric pole root embedded in the lower end of the pole in order to secure the strong pole of the pole during the construction of the construction of the landfill standing up Jeonju, in particular so that the installation of the pole pole mechanized construction using the expander of Oga Crane In addition, by forming both end portions on the upper end of the C-shaped pole roots respectively, and the C-shaped rear side having a more reduced outer diameter, by improving the friction with the soil more improved in the tension direction of the pole of the pole poles when refilling While supporting the pole more firmly by enlarging the contact area with the soil, it is possible to make the construction more convenient construction and transportation handling by forming a hook insertion hole as well as the weight of the pole around the pole.

본 발명 출원인은 2006년 특허출원 제112100호 및 도 1의 도시와 같이, 전주근가(100)의 형상을 외곽 반원형으로 하고 그 내주면이 Ｃ형의 곡면으로 된 전주 밀착면(101)으로 형성하며 그 외곽(102)의 지름을 0.8m 정도로 하여 기존의 막대형 전주근가와 그 형태는 다르지만 장착후 토양과 닿는 표면적은 거의 비슷하게 하고 그 체적은 줄어들게 하여 기존의 장방형 근가보다 무게를 줄임으로써, 건주공사 시에 전주를 매립하기 위한 구덩이 굴착시에도 그 굴착량이 기존에 비해 훨씬 감소하고 그 취급이 용이하여 시공효율과 작업성이 향상되게 하며, 반원형 전주근가의 바깥면에는 근가 장착시 사용되는 U볼트 삽입구(103)와 지표 속에서 토양과의 응집력을 높이는 기능을 하는 마찰증대용 홈(104)을 형성하고, 안쪽면은 전주 규격별 곡률에 따른 다단계 특성 곡면을 형성하여 전주근가의 장착성과 작용하는 힘을 크게 한 건주공사용 전주근가를 제안한 바 있다.Applicant of the present invention, as shown in 2006 patent application No. 112100 and the illustration of Figure 1, the shape of the electric pole root 100 is an outer semicircular shape and its inner peripheral surface is formed of the electric pole contact surface 101 of the C-shaped curved surface and the The outer 102 has a diameter of about 0.8m and its shape is different from that of the existing pole-shaped pole pole, but the surface area in contact with the soil after mounting is almost the same, and its volume is reduced to reduce the weight than the existing rectangular pole, Even when excavating a pit for refilling electric poles, the excavation amount is much reduced compared to the existing one, and its handling is easy to improve construction efficiency and workability. 103) and the friction increasing groove 104 is formed to increase the cohesive force with the soil in the surface, the inner surface is a multi-stage characteristic surface according to the curvature of the pole standards It has proposed to form the critical path and mounted using a pole geunga significant cases the forces acting in the week geunga bar.

그러나, 상기한 바와 같은 반원형 전주근가는 Ｃ형의 곡면체로 이루어져 있어 상대적으로 토양과의 밀착면적이 미흡하여 그 전주와 토양과의 응집력이 만족스럽지 못한 것이며, U볼트 등을 조립 설치하고자 하는 경우 상기 U볼트 삽입구는 원형의 관통공 형태로 이루어져 있어 삽입구와 U볼트의 치수가 서로 완벽하게 일치하여야 하는 수치 관리상의 어려움과 시공상의 마찰 간섭에 의한 불편함을 야기하는 것이다.However, as described above, the semi-circular pole pole is composed of a C-shaped curved body, and thus, the cohesion between the pole and the soil is not satisfactory due to the lack of close contact with the soil. The U bolt insertion hole is formed in the shape of a circular through hole, which causes difficulties in numerical management and frictional interference in construction, in which the dimensions of the insertion hole and the U bolt must be perfectly matched with each other.

또한, 상기한 종래의 반원형 전주근가는 비교적 고중량체(95kg)이므로 취급이 어렵고 운반이나 제작상의 곤란함이 상당하였으며, 고중량체를 별도의 크레인을 사용하여 전주 매립지에 설치하는 경우에는 그 전주근가를 크레인에 결박하기 위한 과정이 복잡하면서도 그 결박수단을 다시 해체하기가 상당히 어렵고 힘든 문제점이 있는 것이다.In addition, since the conventional semi-circular pole weight is a relatively high weight (95 kg), handling is difficult and considerable difficulty in carrying or manufacturing, and when the heavy weight is installed in a landfill using a separate crane, Although the process for strapping on the crane is complicated, it is quite difficult and difficult to dismantle the strapping means again.

이에 따라, 실제의 현장에서는 토양과의 보다 우수한 밀착 저항력을 갖는 전주근가와 더불어 U볼트를 이용한 전주와의 체결이 보다 용이하도록 개선된 전주근가를 절실하게 요구하고 있는 것이다.Accordingly, the actual site is urgently demanding the improved jejujuk so that it is easier to fasten with the Jeonju using the U-bolt in addition to the Jeonju-gap having better adhesion resistance with the soil.

본 발명은 전기한 바와 같은 문제점을 개선하고자 안출된 것으로서, Ｃ형 전주근가에 있어 양단 상측에는 양끝올림부를 각각 형성하고, 그 근가의 Ｃ형 후측부는 보다 작은 외경을 갖도록 축소 형성하며, Ｃ형 전주근가의 중앙부를 관통하는 후크삽입공과 그 양측에 슬릿 형태의 볼트결합공을 이격 형성함으로써,The present invention has been made to improve the problems as described above, in the C-type main circumference, both ends are formed on the upper side, respectively, the C-type rear side of the muscle is reduced to form a smaller outer diameter, C-type By separating the hook insertion hole penetrating the center part of the electric pole muscle and the slit-shaped bolt coupling hole on both sides thereof,

양끝올림부를 통해 토양과의 접지력을 향상시키면서도 보다 축소된 후측부를 통해 전주근가의 경량화를 꾀하는 것이며, 후크삽입공은 크레인을 이용한 전주근가의 이동 및 투입 작업의 용이함을 제공하고, 볼트결합공은 U볼트의 체결을 용이하도록 한 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가를 제공함에 본 발명의 목적이 있는 것이다.It is to reduce the weight of the electric pole around the lower side while improving the holding force with the soil through both ends, and the hook insertion hole provides the ease of movement and input work of the electric pole around the crane using the crane. It is an object of the present invention to provide a C-type electric pole root for the dry working for having both ends raised to facilitate the fastening of the U bolt.

이상과 같은 목적을 달성하기 위한 본 발명의 전주근가는, 일체로 성형된 전주근가의 상부 양측에 형성되는 양끝올림부에 의한 마찰증대수단과; Ｃ형의 후측부 외경을 축소시켜 경량화를 실현하며, 크레인과의 결속을 용이하도록 한 후크삽입공에 의한 결속유도수단과; 전주에 설치하기 위한 U볼트용 슬릿공으로 된 체결수단;으로 이루어지는 것이다.The main pole root of the present invention for achieving the above object, the friction increasing means formed by both end portions formed on both sides of the upper portion of the main pole root molded integrally; A binding guide means by a hook insertion hole which reduces the outer diameter of the C-shaped rear side and realizes light weight and facilitates engagement with a crane; The fastening means made of a slit hole for the U bolt for installing on the pole.

이상과 같은 본 발명 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가는, 양끝올림부를 통해 토양과의 접지력을 향상시키면서도 보다 축소된 후측부를 통해 전주근가의 경량화를 꾀하는 것이며, 후크삽입공은 크레인을 이용한 전주근가의 이동 및 설치 작업의 용이함을 제공하고, 볼트결합공은 U볼트의 체결을 용이하도록 하여 설치상의 편리함을 제공하는 효과를 갖는 것이다.The above-mentioned C-type pole pole for dry pole working with both ends of the present invention is intended to reduce weight of the pole pole through the reduced rear side while improving the holding force with the soil through the both ends of the raised portion, and the hook insertion hole makes the crane It provides the ease of movement and installation work of the electric pole root used, the bolt coupling hole is to have the effect of providing convenience in installation by facilitating the fastening of the U bolt.

이하, 본 발명의 바람직한 실시예를 설명한다.Hereinafter, preferred embodiments of the present invention will be described.

도 2는 본 발명에 의한 Ｃ형 전주근가의 전체 사시도이고, 도 3은 본 발명에 의한 Ｃ형 전주근가의 배면 사시도이며, 도 4는 본 발명에 의한 Ｃ형 전주근가의 평단면도이다.Fig. 2 is an overall perspective view of the C-type pole root according to the present invention, Fig. 3 is a rear perspective view of the C-type pole pole according to the present invention, and Fig. 4 is a plan sectional view of the C-type pole pole root according to the present invention.

Ｃ형 전주근가(10)에 있어서, 양측 단부의 상측에는 상향의 양끝올림부(11)(11')를 각각 형성하고, 전주근가(10)의 후측부는 보다 작은 외경의 외축소부(12)로 형성하며,In the C type main root muscle 10, the upper end portions 11, 11 'of the upper ends are formed respectively, and the rear side of the front root muscle 10 has a smaller outer diameter portion 12 having a smaller outer diameter. ),

전주근가(10)의 중앙에는 횡상의 후크삽입공(13)을 관통 형성하고, 그 후크삽입공(13)의 양측에는 슬릿 형태의 볼트삽입공(14)(14')을 각각 형성하여 구성한 것으로서,In the center of the jeonja root 10 is formed through the horizontal hook insertion hole 13, and formed on both sides of the hook insertion hole 13 by forming the slit-shaped bolt insertion holes 14, 14 ', respectively. ,

외축소부(12)의 후크삽입공(13) 단부에는 확대 내경으로 된 제1마찰증대홈(15)을 형성하고, 상기 외축소부(12)의 볼트삽입공(14)(14') 단부에는 제2마찰증대홈(16)(16')을 각각 형성하여 구성한 것이다.A first friction increasing groove 15 having an enlarged inner diameter is formed at the end of the hook insertion hole 13 of the outer reduction part 12, and ends of the bolt insertion holes 14 and 14 ′ of the outer reduction part 12. The second friction increasing groove (16, 16 ') is formed to form each.

또한, 상기한 전주근가(10) 및 양끝올림부(11)(11')는 경사면(17)(17')에 의해 외축소부(12)와 연결 형성하여 보다 자연스러운 형상 및 모서리의 취약 파손으로부터 비교적 우수한 내구성을 갖게 한 것이다.In addition, the circumferential root 10 and both ends 11 and 11 'are formed to be connected to the outer reduction portion 12 by the inclined surfaces 17 and 17' so as to prevent the fragile breakage of the natural shape and edges. It has a relatively good durability.

이와 같은 전주근가(10)는 저면의 접지판(30)과 그 접지판(30)으로부터 인출되는 접지선(31)을 통해 전주의 접지라인을 연결할 수도 있는 것이다.The electric pole root 10 as described above may be connected to the ground line of the pole through the ground plate 30 and the ground wire 31 drawn from the ground plate 30 of the bottom surface.

도면 중 미설명 부호 20은 U볼트이고, 21은 전주이다.In the figure, reference numeral 20 denotes a U volt, and 21 denotes a pole.

이상과 같은 구성에 의한 본 발명 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가의 작용을 첨부도면에 의해 보다 상세히 설명하면 다음과 같다.Referring to the accompanying drawings, the operation of the C-type electric pole root for working with a dry gun having both ends of the present invention having the above-described configuration will be described in detail as follows.

일반적으로 Ｃ형 전주근가를 매설하기 위한 최소한의 굴착작업(오거크레인 및 백호우 등의 장비나 인력으로 모두 가능)을 완료한 후 U볼트(20)를 이용하여 전주근가(10)를 전주(21)에 장착하게 된다.In general, after completing a minimum excavation work (both with equipment or manpower such as auger crane and backhoe) to bury the C-type electric pole, the electric pole (10) is transferred to the electric pole (10) using the U bolt (20). Will be mounted on the

이때, 본 발명 전주근가는 그 Ｃ형 전주근가(20)의 양단 상부에 돌출상의 양끝올림부(11)(11')가 형성되어 있으므로 상기한 양끝올림부(11)(11')는 되메움에 의한 토양과의 간섭 및 마찰면적을 크게 넓히는 작용을 하므로 결국 토양과의 결속력이 증대하는 전주(21)는 더욱 안정적이고 견고한 설치상태를 유지할 수 있게 된다.At this time, in the present invention the main pole roots, both of the raised end portions 11, 11 'protruding on the upper end of the C-type pole pole root 20, the above-mentioned both ends raised portion 11 (11') is backfilled Because of the effect of greatly widening the interference and friction area by the soil and thus the electric pole 21 which increases the binding force with the soil is able to maintain a more stable and solid installation state.

즉, Ｃ형 근가만으로도 토양과의 합리적인 결속력을 유도할 수 있었으나, 토양의 성질이나 지질의 상태에 따라 전주가 경사지거나 기울어짐이 발생할 우려가 있으므로 상기와 같은 양끝올림부(11)(11')를 통해 토양과의 결속력이 가일층 향상 되게 함으로써 전주의 경사 및 기울어짐이 방지되게 한 것이다.That is, although only a C-type root value could induce reasonable cohesion with the soil, the poles may be inclined or inclined depending on the properties of the soil or the state of the lipids. Through the bond with the soil is further improved to prevent the inclination and inclination of the pole.

또한, 본 발명의 전주근가는 그 외면에 형성되는 볼트삽입공(14)(14')을 형성하되, 그 볼트삽입공(14)(14')을 횡방향의 슬릿공으로 형성함에 따라 그 전주근가(10)를 전주(21)에 장착하기 위한 U볼트(20)의 조립 설치시, 상기한 U볼트(20)를 보다 신속하게 삽입 및 고정 설치할 수 있는 장점을 갖게 된다.In addition, the electric pole root of the present invention forms a bolt insertion hole (14, 14 ') formed on the outer surface, as the pole insertion value by forming the bolt insertion hole (14, 14') as a slit hole in the transverse direction When assembling and installing the U bolt 20 for mounting the electric pole 21 to 10, the U bolt 20 has the advantage of being able to more quickly insert and fix the installation.

이와 같은 본 발명 전주근가(10)는 그 후측이 보다 축소 외경으로 된 외축소부(12)로 이루어져 있는 것인데, 외경이 축소 형태로 이루어져 있으므로 전체적인 중량이 크게 감소함에 따라 취급 및 설치의 용이함을 제공하게 되는 것이며, 상기 전주근가(10)와 외축소부(12)는 완만한 경사면(17)(17')을 통해 일체로 연결 형성되어 있어 전체적인 중량 감소와 동시에 토양과의 밀착면적은 그대로 유지할 수 있어 전주(21)를 안정적으로 지지할 수 있게 된다.This invention Jeonju root value 10 is that the rear side is composed of the outer contraction portion 12 having a smaller outer diameter, the outer diameter is made of a reduced form, so that the overall weight is greatly reduced to provide ease of handling and installation. The jeonju root 10 and the outer contraction portion 12 is formed integrally connected through a gentle slope 17, 17 'can reduce the overall weight and maintain close contact with the soil as it is. Thereby, the pole 21 can be stably supported.

특히, 상기한 외축소부(12)의 중앙에는 횡상의 후크삽입공(13)이 관통 형성되어 있으므로 이를 통해 도 5의 도시와 같이 크레인(110)을 이용한 전주근가(10)의 이동 및 설치작업시 별도의 전주근가 운반 및 설치용 후크(111)를 상기한 후크삽입공(13)으로 삽입하여 그 전주근가(10)를 보다 편리하게 취급할 수 있게 한 것이다.In particular, since the horizontal hook insertion hole 13 is formed in the center of the outer reduction portion 12 through this movement and installation work of the pole pole 10 using the crane 110 as shown in FIG. When inserting the separate pole root transport and installation hook 111 when the hook insertion hole 13 is to be able to handle the pole root 10 more convenient.

또한, 상기한 외축소부(12)의 외면에는 후크삽입공(13)의 단부에 형성된 제1마찰증대홈(15)과 볼트삽입공(14)(14')의 단부에 형성된 제2마찰증대홈(16)(16')을 각각 형성하여, 이들 제1마찰증대홈(15)과 제2마찰증대홈(16)(16')을 통해 그 전주근가(10)와 토양과의 저항력을 가일층 향상시킬 수 있는 것으로서, 상기한 제2마찰 증대홈(16)(16')은 그 내측으로 U볼트(20)의 나사부에 체결되는 고정너트가 내재되는 공간으로서의 역할도 하게 된다.In addition, a second friction enlargement formed at the end of the first friction increasing groove 15 and the bolt insertion holes 14, 14 'formed at the end of the hook insertion hole 13 on the outer surface of the outer reduction portion 12. Each of the grooves 16 and 16 'is formed, and the first friction increasing groove 15 and the second friction increasing groove 16 and 16' further increase the resistance between the electric pole root 10 and the soil. As it can be improved, the second friction increasing groove (16, 16 ') also serves as a space in which the fixing nut which is fastened to the threaded portion of the U bolt 20 therein.

이때, 상기한 제2마찰증대홈(16)(16')의 바닥면(18)은 평면상 5~10°의 외향 경사각 갖도록 구성함으로써, 전주근가 설치작업 U볼트의 너트가 마찰증대홈의 안쪽 벽에 밀착되는 것을 방지하여 너트를 조이기 위한 공구의 사용이 용이하도록 하며, U볼트의 너트를 조이면 점차적으로 U볼트의 위치가 볼트삽입공(14)(14')의 안쪽에서 바깥쪽으로 안정적으로 자리를 잡도록 유도하고, U볼트가 견고하게 고정되는 장점을 갖게 된다.At this time, the bottom surface 18 of the second friction increasing groove (16, 16 ') is configured to have an outward inclination angle of 5 to 10 degrees on the plane, so that the nut of the circumferential root installation work U bolt is inside the friction increasing groove It is easy to use the tool for tightening the nut by preventing the contact with the wall, and gradually tighten the nut of the U bolt, the position of the U bolt gradually becomes stable from the inside of the bolt insertion holes 14, 14 'to the outside. Induce to hold, U bolt has the advantage of being firmly fixed.

따라서, 도 6의 도시와 같이 전주(21)의 하부에 장착되어 그 토양 내에 매설된 전주근가(10)는 토양과의 우수한 응집력의 확보 및 설치의 용이함을 제공하게 된다.Thus, as shown in Figure 6 mounted on the lower portion of the pole 21 and embedded in the soil pole 10 is to provide excellent cohesion with the soil and easy to install.

또한, 본 발명에 의한 전주근가의 다른 실시예를 살펴보면, 도 7의 도시와 같이 전주근가(10)의 저면 전체에 해당하는 금속재로 된 접지판(30)을 결합 형성하고, 그 접지판(30)으로부터 인출된 접지선(31)은 상기한 전주근가(10)의 외축소부(12)를 통해 노출되게 함으로써, 상기한 접지선(31)을 이용하여 전주의 접지라인을 연결할 수 있도록 제작할 수도 있는 것이다.In addition, referring to another embodiment of the electric pole root according to the present invention, as shown in Figure 7, the ground plate 30 made of a metal material corresponding to the entire bottom surface of the electric pole root 10 is formed, the ground plate 30 The ground wire 31 drawn from) may be manufactured to be connected to the ground line of the pole by using the ground wire 31 to be exposed through the outer contraction portion 12 of the pole root 10 above. .

도 1은 종래의 Ｃ형 전주근가에 대한 전체 사시도1 is an overall perspective view of a conventional C-type electric pole root

도 2는 본 발명에 의한 Ｃ형 전주근가의 전체 사시도Figure 2 is an overall perspective view of the C-type electric pole root according to the present invention

도 3은 본 발명에 의한 Ｃ형 전주근가의 배면 사시도Figure 3 is a rear perspective view of the C-type electric pole root according to the present invention

도 4는 본 발명에 의한 Ｃ형 전주근가의 평단면도Figure 4 is a plan cross-sectional view of the C-type electric pole root according to the present invention

도 5는 본 발명에 의한 Ｃ형 전주근가의 매설 투입공정도5 is a buried input process chart of the C-type pole root according to the present invention

도 6은 본 발명에 의한 Ｃ형 전주근가의 시공상태 예시도Figure 6 is an exemplary view showing the construction state of C-type electric pole root according to the present invention

도 7은 본 발명에 의한 Ｃ형 전주근가의 다른 실시예도Figure 7 is another embodiment of the C-type electric pole root according to the present invention

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 전주근가 11.11' : 양끝올림부10: Jeonju Geun 11.11 ': Both ends raised

12 : 외축소부 13 : 후크삽입공12: outer contraction portion 13: hook insertion hole

14,14' : 볼트삽입공 15 : 제1마찰증대홈14,14 ': Bolt insertion hole 15: 1st friction increasing groove

16,16' : 제2마찰증대홈 17,17' : 경사면16,16 ': 2nd friction increasing groove 17,17': slope

18 : 바닥면18: bottom surface

20 : U볼트 21 : 전주20: U bolt 21: Jeonju

30 : 접지판 31 : 접지선30: ground plate 31: ground wire

Claims (6)

Ｃ형 전주근가(10)에 있어서, 양측 단부의 상측에는 상향의 양끝올림부(11)(11')를 각각 형성하고, 전주근가(10)의 후측부는 보다 작은 외경의 외축소부(12)로 형성하며,In the C type main root muscle 10, the upper end portions 11, 11 'of the upper ends are formed respectively, and the rear side of the front root muscle 10 has a smaller outer diameter portion 12 having a smaller outer diameter. ), 전주근가(10)의 중앙에는 횡상의 후크삽입공(13)을 관통 형성하고, 그 후크삽입공(13)의 양측에는 슬릿 형태의 볼트삽입공(14)(14')을 각각 형성하여 구성함을 특징으로 하는 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가.In the center of the jeonja root 10 is formed through the horizontal hook insertion hole 13, and on both sides of the hook insertion hole 13 is formed by forming the slit-shaped bolt insertion holes (14, 14 '), respectively. C-type electric pole root for use in dry craft having both ends raised. 제 1항에 있어서,The method of claim 1, 외축소부(12)의 후크삽입공(13) 단부에는 확대 내경으로 된 제1마찰증대홈(15)을 형성하여 구성함을 특징으로 하는 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가.C-type electric pole root for dry working with a raised end, characterized in that the end of the hook insertion hole (13) of the outer reduction portion 12 is formed by forming a first friction increasing groove (15) having an enlarged inner diameter. 제 1항에 있어서,The method of claim 1, 외축소부(12)의 볼트삽입공(14)(14') 단부에는 제2마찰증대홈(16)(16')을 각각 형성하여 구성함을 특징으로 하는 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가.C-type dry casting machine having raised ends at both ends of the bolt insertion holes 14 and 14 'of the outer reduction part 12, respectively formed by forming second friction increasing grooves 16 and 16'. Jeonju Geun-ga. 제 1항에 있어서,The method of claim 1, 전주근가(10) 및 양끝올림부(11)(11')는 경사면(17)(17')에 의해 외축소부(12)와 연결 형성하여 구성함을 특징으로 하는 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가.Dry pole using both ends raised portion 10 and both ends raised portion (11, 11 ') is formed by connecting to the outer reduction portion 12 by the inclined surface (17, 17') C-type electric pole root. 제 1항에 있어서,The method of claim 1, 전주근가(10)의 저면에는 도전성이 우수한 금속재로 구성된 접지판(30)을 형성하고, 그 전주근가(10)의 외축소부(12)에는 상기 도전성이 우수한 금속재로 구성된 접지판(30)과 연결된 상태의 접지선(31)이 돌출되게 구성하여 접지기능을 갖게 함을 특징으로 하는 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가.A ground plate 30 made of a metal material having excellent conductivity is formed on the bottom of the pole pole 10, and the outer contraction portion 12 of the pole pole 10 has a ground plate 30 made of a metal material having excellent conductivity. C-type electric pole root having a raised end, characterized in that the ground wire 31 in the connected state is formed to protrude to have a grounding function. 제 3항에 있어서,The method of claim 3, wherein 제2마찰증대홈(16)(16')의 바닥면(18)은 5~10°의 외향 경사각 갖도록 구성함으로써, 전주근가 설치작업 U볼트의 너트가 마찰증대홈의 안쪽 벽에 밀착되는 것을 방지하여 너트를 조이기 위한 공구의 사용이 용이하도록 하며, U볼트의 너트를 조이면 점차적으로 U볼트의 위치가 볼트삽입공(14)(14')의 안쪽에서 바깥쪽으로 안 정적으로 자리를 잡도록 유도함을 특징으로 하는 양끝 올림부를 갖는 건주공사용 Ｃ형 전주근가.The bottom surface 18 of the second friction increasing grooves 16 and 16 'is configured to have an outward inclination angle of 5 to 10 °, thereby preventing the nut of the U-bolt mounting work U bolt from coming into close contact with the inner wall of the friction increasing groove. Tool to tighten the nut, and by tightening the nut of the U bolt, the U bolt gradually leads to a stable position from the inside of the bolt insertion hole 14, 14 'to the outside. C-type pole head for use in dry craft with raised end at both ends.
KR1020070069478A 2007-07-11 2007-07-11 C-type utility pole under-bracing for construction of utility pole having a part for lifing both ends KR100772919B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020070069478A KR100772919B1 (en) 2007-07-11 2007-07-11 C-type utility pole under-bracing for construction of utility pole having a part for lifing both ends
PCT/KR2008/000575 WO2009008575A1 (en) 2007-07-11 2008-01-30 C-type utility pole underbracing with raised portions for construction of utility pole
US12/071,197 US20090013618A1 (en) 2007-07-11 2008-02-19 C-type underbracing having enlarged end portions for installing on utility pole
JP2008045247A JP4795372B2 (en) 2007-07-11 2008-02-26 C-type electric pole for the construction of utility poles with raised parts
CN2008100897609A CN101343878B (en) 2007-07-11 2008-04-10 C-type utility pole underbracing with raised portions for construction of utility pole
US12/662,876 US7980030B2 (en) 2007-07-11 2010-05-10 C-type underbracing having enlarged end portions for installing on utility pole

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JP4795372B2 (en) 2011-10-19
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CN101343878B (en) 2010-10-13
WO2009008575A1 (en) 2009-01-15

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