WO2019054578A1 - Dispositif pour empêcher une ligne électrique de tomber - Google Patents

Dispositif pour empêcher une ligne électrique de tomber Download PDF

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Publication number
WO2019054578A1
WO2019054578A1 PCT/KR2017/015551 KR2017015551W WO2019054578A1 WO 2019054578 A1 WO2019054578 A1 WO 2019054578A1 KR 2017015551 W KR2017015551 W KR 2017015551W WO 2019054578 A1 WO2019054578 A1 WO 2019054578A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
grip
insertion groove
cover
elastically mounted
Prior art date
Application number
PCT/KR2017/015551
Other languages
English (en)
Korean (ko)
Inventor
유정훈
권오득
김대한
Original Assignee
한국전력공사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국전력공사 filed Critical 한국전력공사
Publication of WO2019054578A1 publication Critical patent/WO2019054578A1/fr

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Classifications

    • 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
    • H02G7/18—Devices affording mechanical protection in the event of breakage of a line or cable, e.g. net for catching broken lines

Definitions

  • the present invention relates to an apparatus for preventing a wire from falling down, which prevents a safety accident and breakage of a facility.
  • the electric wire between the pole and the pole of the existing distribution line has been kept at a certain distance from the wire without any additional equipment, and the gap between the applied wires is maintained by the distribution line.
  • the present invention provides, as one aspect, a device for preventing a wire from dropping, which can prevent a safety accident and a breakage of a facility caused when a wire is broken down due to disconnection.
  • a wire fixing apparatus comprising: a wire fixing member elastically mounted on a plurality of wires arranged to be spaced apart; And a fall preventing wire connecting the adjacent wire fixing members, wherein the wire fixing member includes: a grip portion elastically mounted on an outer circumferential surface of a wire inserted through the wire insertion groove; And a grip cover portion elastically mounted on an outer circumferential surface of the grip portion inserted through the grip insertion groove.
  • the inner surface of the grip cover portion may be arranged to surround the wire insertion groove.
  • the grip portion includes: a grip body having the wire insertion groove formed in the longitudinal direction and elastically mounted on an outer circumferential surface of the wire; And a pressing piece radially disposed at the end portion of the grip body with a cross groove interposed therebetween.
  • the grip cover portion includes: a cover main body formed with the grip insertion groove in the longitudinal direction and elastically mounted on the outer peripheral surface of the grip portion; And a pressing support surface formed at an end of the cover body and pressing the outer peripheral surface of the pressing piece so that the pressing piece seizes the electric wire.
  • the grip cover portion may further include a reinforcing member protruding from the cover body in a circumferential direction, and disposed around the grip insertion groove to reinforce the vicinity of the grip insertion groove.
  • the grip cover portion may further include an annular member which is formed on the cover main body and is provided so as to face the periphery of the grip inserting groove to provide a mounting portion of the fall preventing wire.
  • the drop prevention wire may be provided with an insulating wire rod which is provided so as to connect a pair of the ring members opposed to each other.
  • the drop prevention line includes: a connection clamp installed to connect a pair of the ring members opposed to each other; And an insulating wire connecting the adjacent connection clamps.
  • a wire drop prevention method using the wire fall preventing device comprising: a first step of elastically mounting the grip portion on an outer circumferential surface of a plurality of wires; A second step of elastically mounting the grip cover portion on an outer circumferential surface of the grip portion; And a third step of connecting the wire fastener with the fall prevention wire by connecting the wire fastener with the fall preventing wire, and integrating the wire fastener with the fall preventing wire.
  • Fig. 1 is a view showing a state in which the wire fall prevention device of the present invention is installed on a plurality of electric wires provided between a pole and a pole.
  • Fig. 2 is a view showing a state where one side of Fig. 1 is disconnected from a wire.
  • FIG. 3 is a view showing a grip part of a wire fastener applied to the present invention.
  • FIG. 4 is a view showing a state in which a grip portion of a wire fastener and a grip cover portion of the wire fastener according to the present invention are combined.
  • FIG. 5 is a view showing a process of installing the grip part and the grip cover part of the wire fastener applied to the present invention.
  • Fig. 6 is a view showing a state in which a drop prevention wire is provided on a wire fastener applied to the present invention.
  • an apparatus 10 for preventing wire fall may include a grip portion 200, a grip cover portion 300, and a drop prevention wire 400.
  • the electric wire fall prevention device 10 includes an electric wire fixture 100 resiliently mounted on a plurality of electric wires L spaced apart from each other, and a fall prevention wire 100 connecting the adjacent electric wire fixtures 100
  • the wire fastener 100 includes a grip portion 200 elastically mounted on an outer circumferential surface of a wire L inserted through the wire insertion groove 211 and a grip portion 200 inserted through the grip insertion groove 311, And a grip cover part 300 that is elastically mounted on the outer circumferential surface of the grip part 200.
  • the electric wire falling prevention apparatus 10 of the present invention is installed in a plurality of electric wires L which are installed between a pole P and a pole P and are spaced apart by a predetermined interval .
  • the electric wire fall preventing apparatus 10 of the present invention is characterized in that the wire fastener 100 including the grip portion 200 and the grip cover portion 300 is provided on each of the plurality of electric wires L and the adjacent wire fastener 100 is dropped And the plurality of electric wires L can be integrally supported by connecting the plurality of electric wires with the prevention wire 400.
  • the grip portion 200 and the grip cover portion 300 are respectively provided on the first wire L, the second wire L and the third wire L, And the grip cover portion 300 may be connected to the grip portion.
  • the electric wire falling prevention apparatus 10 of the present invention connects adjacent wire fixtures 100 and connects one wire (L) mounted on one wire fixture 100 to a drop prevention wire
  • the electric wire L can be prevented from dropping by supporting the wire L disconnected via the wire fixing means 400 and the wire fixing means 100 on the other side.
  • the wire fastener 100 may include a grip portion 200 and a grip cover portion 300.
  • the grip portion 200 can be elastically mounted on the outer circumferential surface of the electric wire L inserted through the wire insertion groove 211.
  • the wire insertion groove 211 may be formed in the entire lengthwise direction of the grip portion 200 and the wire L may be mounted inside the grip portion 200 through the wire insertion groove 211.
  • the grip portion 200 When the grip portion 200 is attached to the wire L, the wire L is inserted while the wire insertion groove 211 is opened, the wire L is inserted into the grip portion 200, and then the wire insertion groove 211
  • the grip portion 200 can be resiliently mounted on the outer circumferential surface of the electric wire L. Further,
  • the grip cover portion 300 may be resiliently mounted on the outer circumferential surface of the grip portion 200 inserted through the grip insertion groove 311 and may be installed to surround the wire insertion groove 211.
  • the grip insertion groove 311 can be mounted inside the grip cover portion 300 through the grip insertion groove 311 with the opening portion formed in the entire lengthwise direction of the grip cover portion 300.
  • the grip portion 200 is inserted while the grip insertion portion 311 is opened when the grip cover portion 300 is attached to the grip portion 200.
  • the grip cover portion 300 can be resiliently mounted on the outer peripheral surface of the grip portion 200 while the insertion groove 311 is narrowed.
  • the drop prevention line 400 may connect the adjacent grip cover portions 300 provided on the plurality of electric wires L, respectively.
  • the wire fall preventing apparatus 10 of the present invention is configured such that the inner surface of the grip cover portion 300 is arranged so as to surround the wire insertion groove 211 in a state where the grip cover portion 300 is elastically mounted on the grip portion 200 .
  • the grip portion 200 is inserted into the grip cover portion 300 through the grip insertion groove 311 of the grip cover portion 300 and the inner surface of the grip cover portion 300 is inserted into the wire insertion groove 211 And can be installed to surround.
  • the grip portion 200 includes a grip body 210 having the wire insertion groove 211 formed in the longitudinal direction and elastically mounted on the outer peripheral surface of the electric wire L, And a pushing piece 250 radially disposed at the end of the body 210 with a through groove 230 therebetween.
  • the grip main body 210 is formed of a hollow cylindrical member, and is extended to one side of the grip main body 210, An insertion groove 211 may be formed.
  • the pressing piece 250 may be radially disposed at the end portion of the grip body 210 with the insertion groove 230 interposed therebetween.
  • a plurality of pressing pieces 250 may be radially arranged at the end of the grip body 210, and the pressing piece 250 may be disposed on the pressing support surface of the grip cover part 300 (330) of FIG. 4), the electric wire (L) can be taken over.
  • the pressing piece 250 is formed such that its cross section decreases toward the end of the grip body 210 and the size of the pressing groove 230 is reduced by the pressing piece 250 by the grip cover part 300
  • the pressing piece 250 can press the electric wire L to secure it.
  • Each pressing piece 250 may be a tapered member whose cross section decreases toward the end.
  • the open groove 230 may be formed in a shape such that the cross-sectional area of the open portion gradually increases toward the end portion.
  • the top groove 230 may be formed in the shape of an arc-shaped triangle having a larger sectional area of the open portion toward the end, and the pressing piece 250 may have a trapezoidal shape with a smaller cross- .
  • the pressing cover 250 can be reduced in size by the grip cover portion 300, and further, the gap between the opposed portions of the grip body 210, which forms the boundary of the top groove 230, The surface to be contacted can be contacted.
  • the grip cover portion 300 includes a cover main body 311 formed in the longitudinal direction and elastically mounted on the outer peripheral surface of the grip portion 200 And a pressing support surface 330 formed at an end of the cover main body 310 and pressing the outer circumferential surface of the pressing piece 250 so that the pressing piece 250 grips the electric wire L .
  • the grip cover portion 300 may have a tapered pressing support surface 330 whose sectional area decreases toward the end portion on the inner surface of the end region of the cover main body 310.
  • the cover body 310 may have a cylindrical shape at the center and a tapered member whose cross section decreases toward the end.
  • a pressing support surface 330 for pressing the outer circumferential surface of the pressing piece 250 may be formed on the inner surface of the end region of the tapered member.
  • the pressing support surface 330 may be formed as a tapered tapered surface having a smaller cross-sectional area toward the end of the tapered member.
  • the cover body 310 is formed of a cylindrical member, and a pressing support surface 330 for pressing the outer peripheral surface of the pressing piece 250 may be formed on the inner surface of the end region of the cylindrical member.
  • the pressing support surface 330 may be formed of a tapered tapered surface having a smaller cross-sectional area toward the end of the cylindrical member.
  • the grip cover portion 300 is formed to protrude in the circumferential direction in the cover body 310 and is disposed in the periphery of the grip insertion groove 311, And may further include a reinforcing member 370 for reinforcing the periphery of the insertion groove 311.
  • the reinforcing member 370 is a member that reinforces the grip insertion groove 311 so as not to be excessively opened.
  • the reinforcing member 370 is spaced apart in the longitudinal direction of the cover body 310 so that the grip cover portion 300 is opened when the grip cover portion 300 is attached to the grip portion 200,
  • the grip insertion groove 311 can be supported so as not to be excessively opened.
  • the reinforcing member 370 is an arc-shaped member spaced apart in the longitudinal direction of the cover body 310 and protruding in the peripheral direction from the outer peripheral surface of the cover body 310 around the grip insertion groove 311 .
  • the grip cover portion 300 is formed on the cover body 310 and is provided so as to be opposed to the periphery of the grip insertion groove 311, And an annular member 350 that provides an installation portion of the support member 400.
  • At least one pair of loop members 350 is provided and the drop prevention line 400 is integrally provided in the pair of loop members 350 to prevent the grip insertion groove 311 of the grip cover portion 300 from being opened .
  • the drop prevention wire 400 can support a plurality of electric wires L integrally by connecting adjacent wire fixtures 100.
  • the grip portion 200 and the grip cover portion 300 are respectively provided on the first wire L, the second wire L and the third wire L, And the grip cover portion 300 may be connected to the grip portion.
  • the drop prevention wire 400 is provided to connect the adjacent grip cover part 300 and is connected to the grip cover part 300 connected to the one side by the drop prevention wire 400,
  • the wire L connected to the grip cover portion 300 of the other side can support the wire L that is disconnected.
  • the drop prevention wire 400 may be provided as an insulative wire rod that is installed to connect a pair of the ring members 350 opposed to each other.
  • the drop prevention wire 400 may include a connection clamp that is provided to connect the pair of opposite ring members 350, and an insulating wire that connects between adjacent connection clamps.
  • connection clamp may be provided with a locking hook member to be inserted into a hole of the pair of loop members 350, and the hook member may be provided with an insulating wire member bundled.
  • the wire drop prevention method according to an embodiment of the present invention may include a first step, a second step, and a third step.
  • the present invention is a wire drop prevention method utilizing a wire fall prevention device (10).
  • the wire drop prevention method of the present invention includes a first step of elastically mounting the grip portion 200 on the outer circumferential surface of a plurality of electric wires L and a second step of elastically mounting the grip cover portion 300 on the outer circumferential surface of the grip portion 200 A second step, and a third step of connecting the wire fastener 100 with the fall preventing wire 400 and integrating them.
  • the grip portion 200 in the first step, can be elastically mounted on the outer circumferential surface of the electric wire L. Referring to FIG. 5 (a), in the first step, the grip portion 200 can be elastically mounted on the outer circumferential surface of the electric wire L.
  • the grip portion 200 can be elastically mounted on the outer circumferential surface of the electric wire L inserted through the wire insertion groove 211.
  • the first step is a state in which the inserting grooves 230 are spaced apart from the pressing parts 250 of the grip part 200 before the grip cover part 300 is installed outside the grip part 200.
  • the grip cover part 300 can be elastically mounted on the outer peripheral surface of the grip part 200.
  • the grip cover portion 300 may be resiliently mounted on the outer circumferential surface of the grip portion 200 inserted through the grip insertion groove 311 and may be installed to surround the wire insertion groove 211.
  • the second step is a state after the grip cover part 300 is resiliently mounted on the outside of the grip part 200 and the gap between the pushing pieces 250 of the grip part 200 becomes small, The piece 250 can press the electric wire L to take control.
  • the electric wire fixing device 100 may be connected to the drop prevention wire 400 to be integrated.
  • the drop prevention wire 400 is provided so as to connect the adjacent grip cover parts 300 so that the electric wire L connected to the grip cover part 300 connected to the one side by the fall prevention wire 400
  • the wire L connected to the grip cover portion 300 of the other side can support the wire L which is broken.
  • the configuration of the grip portion 200, the grip cover portion 300, and the fall prevention wire 400 of the wire fall prevention device 10 utilized in the wire fall prevention method is the same as the configuration of the wire fall prevention method A detailed description of the bar is omitted in order to avoid redundancy.
  • grip part 210 grip body

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  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

La présente invention concerne un dispositif pour empêcher une ligne électrique de tomber, le dispositif comprenant : des dispositifs de fixation de ligne électrique montés élastiquement, respectivement, à une pluralité de lignes électriques qui sont agencées espacées l'une de l'autre ; et une ligne de prévention de chute pour connecter des dispositifs de fixation de lignes électriques adjacents, les dispositifs de fixation de ligne électrique comprenant : une partie de préhension, qui est montée élastiquement sur la surface circonférentielle externe de la ligne électrique insérée à travers une rainure d'insertion de ligne électrique ; et une partie de couvercle de préhension, qui est montée élastiquement sur la surface circonférentielle externe de la partie de préhension insérée à travers une rainure d'insertion de pièce de préhension.
PCT/KR2017/015551 2017-09-18 2017-12-27 Dispositif pour empêcher une ligne électrique de tomber WO2019054578A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0119384 2017-09-18
KR1020170119384A KR102001563B1 (ko) 2017-09-18 2017-09-18 전선낙하 방지장치

Publications (1)

Publication Number Publication Date
WO2019054578A1 true WO2019054578A1 (fr) 2019-03-21

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ID=65723697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/015551 WO2019054578A1 (fr) 2017-09-18 2017-12-27 Dispositif pour empêcher une ligne électrique de tomber

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KR (1) KR102001563B1 (fr)
WO (1) WO2019054578A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102259566B1 (ko) * 2019-06-05 2021-06-03 한국전력공사 전선 낙하방지용 안전장치
KR200497107Y1 (ko) * 2022-11-21 2023-07-31 한전케이피에스 주식회사 가공송전선로의 전력선 보행용 파지장비

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2554429B2 (ja) * 1992-09-14 1996-11-13 関西電力株式会社 活線上部移線工法
JP2000188816A (ja) * 1998-12-22 2000-07-04 Yotsugi Kk 電線防護管
JP2001186646A (ja) * 1999-12-24 2001-07-06 San'eisha Mfg Co Ltd 架空電線の電線間支持構造
JP2006191773A (ja) * 2005-01-07 2006-07-20 Nihon Network Support:Kk 配電線用落下防止装置
KR101597256B1 (ko) * 2015-10-05 2016-03-08 벽산엔지니어링주식회사 송전선이 착탈되는 송전탑

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08126183A (ja) * 1992-10-16 1996-05-17 Furukawa Electric Co Ltd:The 走水防止形差込式接続部

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2554429B2 (ja) * 1992-09-14 1996-11-13 関西電力株式会社 活線上部移線工法
JP2000188816A (ja) * 1998-12-22 2000-07-04 Yotsugi Kk 電線防護管
JP2001186646A (ja) * 1999-12-24 2001-07-06 San'eisha Mfg Co Ltd 架空電線の電線間支持構造
JP2006191773A (ja) * 2005-01-07 2006-07-20 Nihon Network Support:Kk 配電線用落下防止装置
KR101597256B1 (ko) * 2015-10-05 2016-03-08 벽산엔지니어링주식회사 송전선이 착탈되는 송전탑

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KR102001563B1 (ko) 2019-07-19
KR20190031669A (ko) 2019-03-27

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