KR101599939B1 - Fabricated electric pole of electric power distribution line - Google Patents

Fabricated electric pole of electric power distribution line Download PDF

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Publication number
KR101599939B1
KR101599939B1 KR1020150150195A KR20150150195A KR101599939B1 KR 101599939 B1 KR101599939 B1 KR 101599939B1 KR 1020150150195 A KR1020150150195 A KR 1020150150195A KR 20150150195 A KR20150150195 A KR 20150150195A KR 101599939 B1 KR101599939 B1 KR 101599939B1
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South Korea
Prior art keywords
iron
reinforcing bar
wrought iron
bobbin
holder
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KR1020150150195A
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Korean (ko)
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이상호
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주식회사 신광기술사
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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
    • 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
    • E04H12/02—Structures made of specified materials

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The present invention relates to a prefabricated power pole for a distribution line, comprising: a power pole constituted by a reinforced concrete structure; a cross arm coupled to the power pole to support the distribution line using an insulator to maintain the distribution line insulated; and a cross arm holder which connects the cross arm to the power pole. According to the present invention, by omitting an additional work for coupling the cross arms and only by coupling a cross arm bolt and a cross arm nut, the cross arm can be fixated onto the power pole, thereby facilitating the rapid, solid, and stable installation of cross arms and construction of distribution line, maintaining solidity and stability, and reducing the construction period.

Description

{Fabricated electric pole of electric power distribution line}

The present invention relates to a prefabricated telephone pole for a distribution line, and more particularly, to a prefabricated telephone pole for a distribution line that can be installed quickly, simply, firmly, and stably, will be.

Typically, the pole is used as a support for an AC distribution line, such as a wooden column, a reinforced concrete column, and a steel column.

Cedar is commonly used for staple, but larch, spruce, and cypress are also used. Use a neck length of 7 to 16 m and a diameter of 14 to 27 cm, and allow the preservative to penetrate to prevent corrosion.

It is made of reinforced concrete with a length of 6 ~ 16m. Because of its good appearance, long life span, and economical efficiency, it gradually reduces the amount of wood and uses reinforced concrete.

At present, there is little use in the domestic market and reinforced concrete stock is mainly used.

Reinforced concrete is divided into RC (Reinforced concrete) telephone pole and PC (Precasted concrete). The telephone pole used in Korea is PC pole pole.

Generally, in the case of constructing the working distribution line, as shown in Fig. 8, a brass wire 20 is fixedly installed on a telephone pole 10, and a distribution line L is supported on a brass wire 20 through an insulator (I) .

8 and 9, since the outer circumferential surface is formed as a conical surface extending from the lower end to the upper end, the conventional electric pole 10 is provided at the upper end of the electric pole 10 in order to install a distribution line in the pole 10 The wrought iron band 20 which is generally composed of the band portion 31 and the flat iron portion 32 is wound around the electric pole 10 and fixed by the bolts 41 and the nuts 42 The machine bolt 50 having the threaded portions 51 at both ends is passed through the flat portion 32 and the wrought iron portion 20 of the wrought iron band 30 and then the screw portion 51 formed at both ends of the machine bolt 50 (20) is fixed to the main body (10) by fastening the main body (60).

However, in this method, the wrist band 30 composed of the band portion 31 and the flat portion 32 is first fixed to the electric pole 10 in addition to the machine bolt 50 and the nut 60 for fixing the wrought iron 20 And the process of fastening the machine bolts 50 and the nuts 60 must be performed, so that the operation is cumbersome and the air is lengthened, thereby increasing the installation cost of the distribution lines.

As a prior art related to this, Korean Patent Registration No. 10-0497817 (registered on Jun. 20, 2005) "ultra light multi-pole electric wire and its manufacturing method and apparatus" (hereinafter referred to as " Prior Art 1 ") has a plurality of composite materials A composite telecommunication device comprising: a composite telecommunication column member having a plurality of reinforcing portions formed at an upper end of an inner periphery thereof at a lower end thereof; An upper wear-resistant thin plate formed to have a double stepped structure for covering a joining jaw of the electric wire member; And a lower wear-resistant thin plate formed with a recessed portion into which the lower end outer diameter of the electric wire member is recessed. The weight is light, durability and wear resistance are increased, thereby maximizing the life of the electric pole and eliminating the need for additive chemical treatment for improving durability It is not only necessary to provide a separate grounding system for preventing electric shock but also economical and it is possible to easily carry and install a multi-stage electric pole member.

Also, as a prior art, Korean Patent No. 10-099881 (registered on Dec. 17, 2009) "Long-axis reinforced concrete electric pole and its manufacturing method" (hereinafter referred to as Prior Art 2) A first telephone pole made of reinforced concrete containing tension roots; And a second electric pole made of reinforced concrete disposed in one axis in the first electric pole; The second telescopic pole is connected to the upper joining base at one end thereof and a connecting bracket for connecting a plurality of second tension ropes is provided, so that the long-axis reinforced concrete telecommunication pole is constructed in a prefabricated manner. And it is easy to assemble at the construction site. If the slope is set to 1/75 or 1/100 after assembling, it is possible to construct a long axis of 30m or more in maximum, so that it can be substituted for expensive steel structure, And the technology that makes it possible to configure.

However, since the outer circumferential surface of the telephone main body is formed as a circumferential surface and substantially a conical surface as in the conventional telephone pole, the problems of the prior art remain unchanged.

Therefore, it is required to develop a technology that can reduce the installation cost of the distribution line by making it possible to quickly and easily install the distribution line to the telephone pole.

Korean Registered Patent No. 10-0497817 (registered on Jun. 20, 2005) "Ultra light multi-stage telephone pole and its manufacturing method and apparatus" Korean Registered Patent No. 10-099881 (Registered on Dec. 17, 2009) "Longitudinally reinforced concrete poles &

Accordingly, it is an object of the present invention to provide a prefabricated telescopic pole for a distribution line that can be installed quickly, simply, firmly, and stably on a wire rod fixedly supported on a telephone pole, and can shorten air.

According to an aspect of the present invention, there is provided a portable telephone comprising: a main body including a main body formed of a reinforced concrete structure; an elongated body coupled to the main body to support the main body in an insulated state through an insulator; ≪ / RTI >

Wherein the electric pole is composed of a plurality of reinforcing bars arranged at regular angular intervals with reference to a central axis, and concrete covering the plurality of reinforcing bars,

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a bipolar plate according to a first embodiment of the present invention;

The insulator is fixedly coupled to the barrel by penetrating the engaging rod provided at the lower end of the inserting hole into the inserting through hole and fastening the insulator fixing nut to the threaded portion formed on the engaging rod,

The bracket holder comprises a reinforcing bar holder main body formed in a ring shape by a synthetic resin and embedded in the concrete of the telephone pole, and a plurality of pairs of reinforcing brackets protruding from the inner circumferential surface of the reinforcing bar holder main body and elastically supporting the reinforcing bars, A reinforcing bar holder having a reinforcing bar holding part and a plurality of engaging projections formed radially on an outer circumferential surface of the reinforcing bar holder body; And a plurality of T-shaped engagement pieces formed in a ring shape, embedded in the concrete of the telephone main body and exposed to the outer circumferential surface, and embedded in the coupling protrusions of the reinforcing bar holder, and a semi-circular barrel welded to the outer peripheral surface of the half- A bobbin inner side support integrally formed on the semicircular barrel portion and having an inner side surface of the blanket iron closely attached to the semicircular tube side portion and a connecting portion integrally connecting the semicircular tube portion and the blanket inner side support portion; And an outer side supporting portion which is welded to the inner side supporting portion of the earth and is welded to the bottom surface of the solid iron to closely contact the lower surface of the solid iron and the outer side surface of the solid iron is closely contacted at the outer end of the supporting portion, A positioning pin protruding upward from the upper surface of the supporting part to be inserted into the positioning hole of the coarse iron, Through the inner surface of the support and wancheol outer side surface support portion and the connection iron and wancheol and provides a modular utility pole for a distribution line which comprises a wancheol nut fastened to the threaded portion of wancheol bolt and the wancheol bolt screw portion is formed at both ends.

According to an embodiment of the present invention, there is provided an assembled telephone pole for a power distribution line, comprising: a telephone pole formed of a reinforced concrete structure; a coarse iron connected to the telephone pole to support a power distribution line in an insulated state through an insulator; It is possible to install the bare iron on the pole by fastening the bare wire bolt and the bare steel nut by omitting the work of fastening the separate bare iron band, and it is possible to install the bare iron and the construction of the distribution line quickly, simply, stably and stably. Can be shortened.

1 to 7 show a preferred embodiment of a prefabricated electric wire for a distribution line according to the present invention,
1 is an exploded perspective view,
2 to 5 show a process of installing a distribution line in a telephone pole,
Fig. 2 is a perspective view showing a state in which the brass bars are left stationary on a telephone pole,
Fig. 3 is a perspective view showing a state in which the solid iron is fixed,
4 is a perspective view showing a state in which an insulator is installed,
5 is a perspective view showing a state in which a distribution line is installed and installation of a distribution line is completed;
FIG. 6 is a longitudinal front view showing a state where a solid iron is fixed,
Fig. 7 is a cross-sectional plan view showing a state in which solid bars are fixed,
8 is a perspective view of a distribution line installed in a conventional telephone pole,
9 is an exploded perspective view of a conventional electric wire and a heavy wire.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings.

In the following description, bolt through holes through which various bolts are inserted for coupling the components are shown in the drawings, but the reference numerals and detailed explanations are omitted.

In the following description, the directions in which the brass bars are installed on the basis of the electric pole are described as left and right, and the direction orthogonal to the left and right is described as front and rear.

In addition, the direction toward the telephone pole is referred to as the inside or the inside, and the opposite direction is outside or outside.

1 to 7, the present invention relates to a portable telephone pole for a distribution line according to the present invention, which comprises a telephone pole 100 formed of a reinforced concrete structure and an electric wire 100 connected to the telephone pole 100 via a insulator 20, And a wax iron holder 300 for coupling the wax iron 200 to the electric pole 100. The wax iron holder 200 may be made of stainless steel.

The telescope 100 includes a plurality of reinforcing bars 110 disposed at predetermined angular intervals with reference to a central axis and concrete 120 covering the plurality of reinforcing bars 110.

The electric wire 100 is formed by a centrifugal casting method, and a hollow portion 130 is formed at the central portion during centrifugal casting. The hollow portion 130 can be utilized as a passage for various wirings.

The wrought iron (200) is composed of a square pipe. The wrought iron (200) has a through hole (210) for bare iron coupling formed in the left and right direction, an inserting through hole (220) penetrating in the up and down direction, A positioning hole 230 is provided.

The insulator 20 penetrates the engaging rod 21 provided at the lower end of the insulator 20 through the insulator coupling through hole 220 and the threaded portion 22 formed on the engaging rod 21, And can be fixedly coupled to the wrought iron (200) by fastening the insulator fixing nut (23).

The wrought iron holder 300 is formed in a ring shape by a synthetic resin and embedded in the concrete 120 of the electric pole 100 and includes a reinforcing rod holder main body 311 and a reinforcing rod holder 300 protruding from the inner peripheral surface of the reinforcing rod holder main body 311, And a plurality of coupling protrusions 313 protruding radially from the outer circumferential surface of the reinforcing rod holder main body 311. The plurality of coupling protrusions 313 A reinforcing bar holder 310 provided with a reinforcing bar 310; And a plurality of T-shaped engagement pieces 321 formed in a ring shape and buried in the concrete 120 of the telephone main body 100 and exposed to the outer peripheral surface thereof and embedded in the engagement protrusions 313 of the reinforcing bar holder 310, A holder main body 320; A semicircular cylindrical portion 331 welded to the outer circumferential surface of the wrought iron holder main body 320; a wrought iron inner side support portion 332 formed integrally with the semicircular cylindrical portion 331 to closely contact the inner surface of the wrought iron 200; And a connection portion 333 for integrally connecting the semicircular cylindrical portion 331 and the bumper inner side support portion 332; A bobbin supporting portion 341 which is welded to the bobbin inner side supporting portion 332 of the bobbin inner side geoproduct 330 to closely contact the lower surface of the bobbin 200 and a bobbin supporting portion 341 which is bent upward from the outer end of the supporting portion 341, (340) having a solid iron outer side support portion (342) having a solid iron outer side support portion (342) to which the outer surface of the solid iron (200) is closely attached; A positioning pin 350 protruding upward from the upper surface of the supporting part 341 and fitted in the positioning hole 230 of the wrought iron 200; A wrought iron bolt 360 passing through the wrought iron 200, the wrought iron inner side supporting portion 332, the wrought iron outer side supporting portion 341 and the connecting portion 333 and having a threaded portion 361 formed at both ends thereof; And a bobbin nut 370 fastened to the threaded portion 361 of the bobbin 360.

The electric pole 100 may be manufactured by a centrifugal casting method in which a concrete mortar is injected while a reinforcing bar 110 is placed in a horizontally installed mold for centrifugal casting and the mold is rotated at a high speed.

At this time, the reinforcing bar holder 310 is fixedly installed at a predetermined interval in the centrifugal casting mold so that the reinforcing bar 110 is supported on the reinforcing bar holding piece 312 of the reinforcing bar holder 310.

The reinforcing bar holder 310 is formed of a synthetic resin material and the reinforcing bar holder body 320 is formed of a metallic material. In the course of molding the reinforcing bar holder 310, the reinforcing bar holder body 320 is inserted into the mold, The reinforcing bar holder 310 and the wax iron holder main body 320 are integrally joined so that the T-shaped engaging piece 321 of the main body 320 is inserted into the engaging projection 313 of the reinforcing bar holder 310, It is possible to manufacture the electric wire 100 and the wrought iron holder main body 320 in an integrated state by centrifugal casting while the ferrite holder 310 and the wrought iron holder main body 320 are inserted and fixed in the centrifugal casting mold.

The bimetallic inner rail 330 and the bimetallic outer rail 340 are manufactured in a state in which the electric wire 100 and the bimetal holder body 320 are integrated with each other, 330 or by welding it to the wire rod holder main body 320 in a process of centrifugal casting the electric wire 100, the wire rod 100 and the wire rod holder 320 are formed by centrifugal casting while being inserted and fixed in the centrifugal casting mold, The main body 320, the wedge-inner-side geom- etry 330, and the wedge-shaped outer side support 340 can be integrated.

In the illustrated example, six reinforcing bars 110 and reinforcing holding pieces 312 are provided, and six reinforcing bars 313 and sixteen T-shaped coupling pieces 321 are provided. However, depending on the size of the telephone pole, It is possible to increase or decrease the number.

The semi-cylindrical portion 331 is welded to the outer circumferential surface of the half-bar holder main body 320 to be integrated with the half-bar holder main body 320 by welding the half- do.

Hereinafter, a process of constructing the distribution line by the assembled electric pole for the distribution line according to the present embodiment will be described.

The blanket inner side support portion 332 and the blanket outer side support portion 340 of the blanket inner georeferencing portion 330 insert the blanket 200 through the gap between the blanket outer side support portions 342, The bottom surface of the solid iron outer surface zone 340 is seated on the support portion 341.

At this time, the positioning hole 230 formed in the wrought iron 200 is fitted in the positioning pin 350 provided in the wired iron outer surface region 340, so that the relative position of the wrought iron 200 with respect to the wrought iron holder 300 (See Fig. 2).

Accordingly, it is possible to accurately maintain the installation position of the hollow iron 200 with respect to the telephone pole 100 regardless of the skill of the operator.

As a second step,

The wrought iron bolts 360 having the threaded portions 361 formed at both ends are passed through the wrought iron 200, the wrought iron inner side support portions 332 and the wavy iron outer side support portions 341 and the connection portions 333, The wrought iron 200 is fixed and supported to the main body 100 through the wired iron outer support 340, the wedge inner guide 330 and the wrought iron holder main body 320 (see FIG. 3).

Accordingly, it is possible to omit the work of tightening the conventional worn iron band and to fasten the worn iron 200 to the main body 100 by only tightening the worn iron nut 370 to the worn iron bolt 360, , So that it can be performed simply and firmly.

In the third step, the connecting rod 21 of the insulator 20 is passed through the insulator connecting through-hole 220 of the wrought iron 200 and the threaded portion 22 formed on the connecting rod 21 The insulator 20 is fixed to the hollow iron 200 by fastening the insulator fixing nut 23 at the upper and lower portions (see Fig. 4).

In the fourth step, the power distribution line 10 is seated on the upper end of the insulator 20, and is fixed and supported to be fixed (see Fig. 5).

Here, the first step and the second step are specialized portions according to the present invention, and the third and fourth steps are the same parts as those in the conventional distribution line building process.

Although the above embodiment has been described by way of example in which a wrought iron holder 300 for installing a pair of wrought iron 200 is provided at one place of a telephone pole 100, In the case of the above installation, two or more of the above-mentioned solid iron holders 300 may be provided.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as falling within the scope of the present invention.

10: Distribution line 20: Insulator
100: Telephone pole 110: Rebar
120: Concrete 200:
130: Positioning hole 300: Wand iron holder
310: Reinforcing holder 311: Reinforcing holder body
312: reinforcing bar holding piece 313: engaging projection
320: crown holder body 321: T-shaped coupling piece
330: Geocheon inner geographic region 331: Semicircular trough
332: brass inner side support portion 333: connection portion
340: Outer support 341 in the case of solid iron,
342: full width outer side support portion 350: positioning pin
360: Bronze bolt 370: Bronze nut

Claims (1)

A bare iron 200 coupled to the electric pole 100 to support the electric distribution line 10 in an insulated state through an insulator 20 and a bare wire 200 connected to the electric wire 100 100), and the wick holder (300)
The telescope 100 includes a plurality of reinforcing bars 110 disposed at predetermined angular intervals with respect to a central axis and a concrete 120 covering the plurality of reinforcing bars 110,
The wrought iron (200) is composed of a square pipe. The wrought iron (200) has a through hole (210) for bare iron coupling formed in the left and right direction, an inserting through hole (220) penetrating in the up and down direction, A positioning hole 230 is provided,
The insulator 20 penetrates the engaging rod 21 provided at the lower end of the insulator 20 through the insulator coupling through hole 220 and the threaded portion 22 formed on the engaging rod 21, Is fixedly coupled to the bobbin (200) by fastening an insulator fixing nut (23)
The wrought iron holder (300)
A reinforcing bar holder body 311 protruding from an inner circumferential surface of the reinforcing bar holder body 311 and elastically supporting the reinforcing bar 110. The reinforcing bar holder body 311 is formed in a ring shape by a synthetic resin and embedded in the concrete 120 of the electric pole 100, A reinforcing bar holder 312 having a plurality of pairs of reinforcing bar holding pieces 312 for maintaining the spacing of the reinforcing bars 110 and a plurality of coupling projections 313 projecting radially from the outer circumferential surface of the reinforcing bar holder main body 311, )Wow;
And a plurality of T-shaped engagement pieces 321 formed in a ring shape and buried in the concrete 120 of the telephone main body 100 and exposed to the outer peripheral surface thereof and embedded in the engagement protrusions 313 of the reinforcing bar holder 310, A holder main body 320;
A semicircular cylindrical portion 331 welded to the outer circumferential surface of the wrought iron holder main body 320; a wrought iron inner side support portion 332 formed integrally with the semicircular cylindrical portion 331 to closely contact the inner surface of the wrought iron 200; And a connection portion 333 for integrally connecting the semicircular cylindrical portion 331 and the bumper inner side support portion 332;
A bobbin supporting portion 341 which is welded to the bobbin inner side supporting portion 332 of the bobbin inner side geoproduct 330 to closely contact the lower surface of the bobbin 200 and a bobbin supporting portion 341 which is bent upward from the outer end of the supporting portion 341, (340) having a solid iron outer side support portion (342) having a solid iron outer side support portion (342) to which the outer surface of the solid iron (200) is closely attached;
A positioning pin 350 protruded upward from the upper surface of the supporting part 341 and fitted in the positioning hole 230 of the wrought iron 200;
A wrought iron bolt 360 passing through the wrought iron 200, the wrought iron inner side supporting portion 332, the wrought iron outer side supporting portion 341 and the connecting portion 333 and having threaded portions 361 formed at both ends thereof; And
And a bobbin nut (370) fastened to the threaded portion (361) of the bobbin bolt (360).
KR1020150150195A 2015-10-28 2015-10-28 Fabricated electric pole of electric power distribution line KR101599939B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106869160A (en) * 2017-03-29 2017-06-20 朱郎平 UHV transmission wire pole base
CN110056244A (en) * 2019-04-17 2019-07-26 国网安徽省电力有限公司经济技术研究院 A kind of single loop multipurpose shaft tower
KR102306935B1 (en) 2021-03-03 2021-10-01 주식회사 에스앤씨하이텍 Electric shock accident prevention system
KR20230092380A (en) * 2021-12-17 2023-06-26 한국전력공사 Angle arm tie for supporter of electric pole
KR20240131004A (en) 2023-02-23 2024-08-30 (주)호반엔지니어링 Support insulator structure fixing system of electric pole equipped with transformer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020013090A (en) * 2000-08-11 2002-02-20 이종훈 dan wan chol bend
KR100497817B1 (en) 2002-11-27 2005-07-01 김조권 A lightweight multi-stage electric pole and manufacturing method and device
KR100873877B1 (en) * 2008-08-29 2008-12-15 최원영 Connection apparatus of light weight buffer metal for a high-tension wire
KR101194831B1 (en) * 2012-06-25 2012-10-25 주식회사 수창텍크 Electric pole for fixing overhead wire and having distribution insulator
KR101335928B1 (en) * 2013-08-08 2013-12-05 (주) 나우엔지니어링 Apparatus for adjusting position of power transmission cable in electric pole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020013090A (en) * 2000-08-11 2002-02-20 이종훈 dan wan chol bend
KR100497817B1 (en) 2002-11-27 2005-07-01 김조권 A lightweight multi-stage electric pole and manufacturing method and device
KR100873877B1 (en) * 2008-08-29 2008-12-15 최원영 Connection apparatus of light weight buffer metal for a high-tension wire
KR101194831B1 (en) * 2012-06-25 2012-10-25 주식회사 수창텍크 Electric pole for fixing overhead wire and having distribution insulator
KR101335928B1 (en) * 2013-08-08 2013-12-05 (주) 나우엔지니어링 Apparatus for adjusting position of power transmission cable in electric pole

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106869160A (en) * 2017-03-29 2017-06-20 朱郎平 UHV transmission wire pole base
CN110056244A (en) * 2019-04-17 2019-07-26 国网安徽省电力有限公司经济技术研究院 A kind of single loop multipurpose shaft tower
CN110056244B (en) * 2019-04-17 2023-09-26 国网安徽省电力有限公司经济技术研究院 Single-loop multipurpose pole tower
KR102306935B1 (en) 2021-03-03 2021-10-01 주식회사 에스앤씨하이텍 Electric shock accident prevention system
KR20230092380A (en) * 2021-12-17 2023-06-26 한국전력공사 Angle arm tie for supporter of electric pole
KR102679841B1 (en) 2021-12-17 2024-07-02 한국전력공사 Angle arm tie for supporter of electric pole
KR20240131004A (en) 2023-02-23 2024-08-30 (주)호반엔지니어링 Support insulator structure fixing system of electric pole equipped with transformer

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