CN106972439B - A kind of transmission line of electricity vertical arrangement conducting wire cut-offs connection pattern and method under drawing - Google Patents

A kind of transmission line of electricity vertical arrangement conducting wire cut-offs connection pattern and method under drawing Download PDF

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Publication number
CN106972439B
CN106972439B CN201710273103.9A CN201710273103A CN106972439B CN 106972439 B CN106972439 B CN 106972439B CN 201710273103 A CN201710273103 A CN 201710273103A CN 106972439 B CN106972439 B CN 106972439B
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China
Prior art keywords
conducting wire
wire
downlead
under
breaking point
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CN201710273103.9A
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CN106972439A (en
Inventor
张思祥
姚元玺
姜伟国
李帅
张勇
宋磐
宋朋
盖永志
孙明涛
魏烈强
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Shandong Electric Power Engineering Consulting Institute Corp Ltd
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Shandong Electric Power Engineering Consulting Institute Corp Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/02Devices for adjusting or maintaining mechanical tension, e.g. take-up device

Abstract

The invention discloses a kind of transmission line of electricity vertical arrangement conducting wires to cut-off connection pattern and method under drawing, including a pair of of the breaking point being arranged on upper wire tension direction, it is connected between breaking point using strain insulator, pass through strain clamp drainage plate at the breaking point and draws downlead, downlead is naturally drooped using gravity, the downlead and upper conducting wire, middle conducting wire and lower wire is vertical connect.The present invention is disconnected the electrical connection on same wire tension direction using strain insulator, and the safety of phase insulation has been ensured using phase insulation, under directly formation line disconnection point is drawn, realizes safe and reliable and flexibly draws under type.The present invention is directly in the case where any position of vertical arrangement conducting wire cut-off and draws, and flexibility and reliability, without newly-built steel tower, installation speed is fast, and power off time is short, greatlys save investment.

Description

A kind of transmission line of electricity vertical arrangement conducting wire cut-offs connection pattern and method under drawing
Technical field
The present invention relates to power transmission line electrical technical fields, cut-off more particularly to a kind of transmission line of electricity vertical arrangement conducting wire Connection pattern and method under drawing.
Background technique
Currently, a kind of transmission line of electricity is cut-off under drawing when being electrical reticulation design common pattern, particularly common in the line in city Road.Currently, it is to create two base terminal towers near breaking point that common transmission line of electricity, which cut-offs the mode under drawing, overhead transmission line is logical It crosses under terminal tower cut-offs and draw.
Above-mentioned transmission line of electricity is cut-off draw under be: need newly-built two base terminal towers, increase implementation Cost and cannot achieve is cut-off at an arbitrary position draw under, the construction time is longer, increases the time of power failure.
Draw lower problem in conclusion cut-offfing in the prior art for transmission line of electricity, still shortage effective solution scheme.
Summary of the invention
In order to solve the deficiencies in the prior art, under cut-offfing and draw the present invention provides a kind of transmission line of electricity vertical arrangement conducting wire Couple pattern and method, realizes safe and reliable and flexibly draw under type, the present invention is directly in any of vertical arrangement conducting wire Position cut-off draw under, flexibility and reliability, without newly-built steel tower, installation speed is fast, and power off time is short, greatlys save investment.
A kind of transmission line of electricity vertical arrangement conducting wire cut-offs the connection pattern under drawing, including to be separately positioned on transmission line of electricity vertical A pair of of breaking point on the tension direction of conducting wire is arranged, passes through strain clamp drainage plate at the breaking point and draws downlead, Downlead is naturally drooped using gravity, the downlead with the conducting wire of sagging process vertical connect.
Further, the transmission line of electricity vertical arrangement conducting wire includes upper conducting wire, middle conducting wire and lower wire, in upper conducting wire It is provided with a pair of of breaking point on power direction, is connected between breaking point using strain insulator, passes through strain insulator at the breaking point Wire clamp drainage plate draws downlead, and downlead is naturally drooped using gravity, the downlead and upper conducting wire, middle conducting wire and lower wire Vertical connection.
Further, the downlead of the upper conducting wire is connected by conductor spacer respectively with middle conducting wire and lower wire, middle conducting wire And it is connected between the conductor spacer in lower wire on same conducting wire using strain insulator.
Further, breaking point, the breaking point and adjacent spaces are provided on the wire tension direction of the middle conducting wire It is connected between stick by phase insulation, passes through strain clamp drainage plate at the breaking point of the middle conducting wire and draw downlead.
Further, the middle conducting wire extraction downlead passes through conductor spacer respectively and is connected with lower wire.
Further, breaking point, the breaking point and adjacent spaces are provided on the wire tension direction of the lower wire It is connected between stick by phase insulation, passes through strain clamp drainage plate at the breaking point of the lower wire and draw downlead.
Further, strain insulator and the sub- both ends of phase insulation lead to respectively on the upper conducting wire, middle conducting wire and lower wire Connection gold utensil is crossed to be connected with corresponding conducting wire.
Further, phase insulation is made of full skirt and epoxy plug.
Further, the strain insulator can be composite insulator and be also possible to suspension insulator.
Further, the downlead and connection gold utensil between the fixed different phases of the conductor spacer.
A kind of transmission line of electricity vertical arrangement conducting wire cut-offs the coupling method under drawing, comprising:
Breaking point is formed using the electrical connection that strain insulator is disconnected on same wire tension direction;
Under downlead is drawn by strain clamp drainage plate at the breaking point, is naturally drooped using gravity, led out of phase The connection gold utensil on downlead and conducting wire is fixed by conductor spacer between line;
The safety of phase insulation has been ensured on same conducting wire using phase insulation.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is disconnected the electrical connection on same wire tension direction using strain insulator, utilizes phase insulation It has ensured the safety of phase insulation, under directly formation line disconnection point is drawn, has realized securely and reliably and under flexibly drawing Mode.The present invention is directly in the case where any position of vertical arrangement conducting wire cut-off and draws, flexibility and reliability, without newly-built steel tower, peace Dress speed is fast, and power off time is short, greatlys save investment.
The present invention provides a kind of transmission line of electricity vertical arrangement conducting wire and cut-offs connection pattern and method drawing under, facilitates selection vertical Any position of in line column wire directly carries out cut-offfing draw under.Compared with the mode that traditional transmission line of electricity is cut-off under drawing, this hair Bright patent is disconnected the electrical connection on same wire tension direction using strain insulator, has ensured phase using phase insulation Between the safety insulated, directly formed under line disconnection point drawn, downlead is naturally drooped using gravity, from different phase fittings It only needs slightly to support using jumper wire spacing rod between string, is not necessarily to other auxiliary devices, realize safe and reliable and flexibly draw Under type.The present invention is directly in the case where any position of vertical arrangement conducting wire cut-off and draws, flexibility and reliability, without creating steel tower, Installation speed is fast, and power off time is short, greatlys save investment.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is to be arranged vertically conducting wire to cut-off schematic diagram under drawing;
In figure, 1, strain insulator, 2, phase insulation, 3, conductor spacer, 4, connection gold utensil, 5, conducting wire, 6, downlead.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, transmission line of electricity exists in the prior art and cut-offs deficiency under drawing, in order to solve such as On technical problem, present applicant proposes a kind of transmission line of electricity vertical arrangement conducting wire cut-off connection pattern and method under drawing.This Transmission line of electricity vertical arrangement specifically refers to the vertical arrangement between conducting wire 5 in application.
In a kind of typical embodiment of the application, as shown in Figure 1, providing a kind of transmission line of electricity vertical arrangement conducting wire The connection pattern under drawing, including strain insulator 1, phase insulation 2, conductor spacer 3, connection gold utensil 4 are cut-off, it is same by disconnecting Electrical connection forms breaking point on 5 tension direction of conducting wire.Under downlead 6 is drawn by strain clamp drainage plate, gravity nature is utilized It is sagging, it is by conductor spacer 3 that downlead 6 and connection gold utensil 4 is fixed between different phases.
Electrical connection on same 5 tension direction of conducting wire is disconnected using strain insulator 1, is protected using phase insulation 2 The safety of phase insulation is hindered, under directly formation line disconnection point is drawn, downlead is naturally drooped using gravity, with difference It only needs slightly to support using jumper wire spacing rod 3 between phase hardware string, is not necessarily to other auxiliary devices, realize safe and reliable and clever Living draws under type.The present invention is directly in the case where any position of vertical arrangement conducting wire cut-off and draws, flexibility and reliability, without newly-built Steel tower, installation speed is fast, and power off time is short, greatlys save investment.
Connection gold utensil 4 belongs to connecting elements, and flexible arrangement is in each section for cut-offfing strain insulator-string.Phase insulation 2 is by full skirt It is formed with epoxy plug.Strain insulator 1 can be composite insulator and be also possible to suspension insulator.Conductor spacer 3 can be fixed Downlead 6 and connection gold utensil 4 between different phases.
In another embodiment of the application, a kind of transmission line of electricity vertical arrangement conducting wire cut-offs the coupling method drawing under, packet It includes:
A kind of transmission line of electricity vertical arrangement conducting wire cut-offs the coupling method under drawing, comprising:
Breaking point is formed using the electrical connection that strain insulator is disconnected on same wire tension direction;
Under downlead is drawn by strain clamp drainage plate at the breaking point, is naturally drooped using gravity, led out of phase The connection gold utensil on downlead and conducting wire is fixed by conductor spacer between line;
The safety of phase insulation has been ensured on same conducting wire using phase insulation.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. a kind of transmission line of electricity vertical arrangement conducting wire cut-offs the coupling structure under drawing, characterized in that including being separately positioned on transmission of electricity Route is arranged vertically a pair of of breaking point on the tension direction of conducting wire, passes through strain clamp drainage plate at the breaking point and draws Downlead, downlead are naturally drooped using gravity, the downlead with the conducting wire of sagging process vertical connect;
The conducting wire of the sagging process of the downlead being mounted on conducting wire is middle conducting wire and lower wire, is mounted under the drawing on middle conducting wire The conducting wire of the sagging process of line is lower wire.
2. a kind of transmission line of electricity vertical arrangement conducting wire as described in claim 1 cut-offs the coupling structure under drawing, characterized in that institute Stating transmission line of electricity vertical arrangement conducting wire includes upper conducting wire, middle conducting wire and lower wire, is provided with a pair on upper wire tension direction Breaking point is connected using strain insulator between the breaking point of upper conducting wire, passes through resistance to bracing cable at the breaking point of upper conducting wire It pressing from both sides drainage plate and draws downlead, the downlead of upper conducting wire is naturally drooped using gravity, the downlead and upper conducting wire of upper conducting wire, Middle conducting wire and lower wire vertically connect.
3. a kind of transmission line of electricity vertical arrangement conducting wire as claimed in claim 2 cut-offs the coupling structure under drawing, characterized in that institute The downlead for stating conducting wire is connected by conductor spacer respectively with middle conducting wire and lower wire, in middle conducting wire and lower wire on same conducting wire Conductor spacer between using strain insulator connect.
4. a kind of transmission line of electricity vertical arrangement conducting wire as claimed in claim 3 cut-offs the coupling structure under drawing, characterized in that institute It states and is provided with breaking point on the wire tension direction of conducting wire, pass through phase between the breaking point and adjacent spaces stick of middle conducting wire Between insulator be connected, pass through at the breaking point of the middle conducting wire strain clamp drainage plate draw downlead.
5. a kind of transmission line of electricity vertical arrangement conducting wire as claimed in claim 4 cut-offs the coupling structure under drawing, characterized in that institute It states middle conducting wire and draws downlead and pass through conductor spacer respectively and be connected with lower wire.
6. a kind of transmission line of electricity vertical arrangement conducting wire as claimed in claim 5 cut-offs the coupling structure under drawing, characterized in that institute It states and is provided with breaking point on the wire tension direction of lower wire, pass through phase between the breaking point and adjacent spaces stick of lower wire Between insulator be connected, pass through at the breaking point of the lower wire strain clamp drainage plate draw downlead.
7. a kind of transmission line of electricity vertical arrangement conducting wire as claimed in claim 2 cut-offs the coupling structure under drawing, characterized in that institute State conducting wire, strain insulator and the sub- both ends of phase insulation pass through connection gold utensil respectively and lead with corresponding on middle conducting wire and lower wire Line is connected.
8. a kind of transmission line of electricity vertical arrangement conducting wire as claimed in claim 4 cut-offs the coupling structure under drawing, characterized in that its It is characterized in, phase insulation is made of full skirt and epoxy plug;
The strain insulator is composite insulator either suspension insulator.
9. a kind of transmission line of electricity vertical arrangement conducting wire as claimed in claim 3 cut-offs the coupling structure under drawing, characterized in that peace Conducting wire and lower wire in the sagging process of downlead on upper conducting wire, connection gold utensil on middle conducting wire and lower wire and it is sagging It is fixed between downlead on the middle conducting wire and the lower wire by conductor spacer;
The downlead being mounted on conducting wire is sagging to pass through lower wire, connection gold utensil on the lower wire and sagging under described It is fixed between downlead on conducting wire by conductor spacer.
10. a kind of transmission line of electricity vertical arrangement conducting wire cut-offs the coupling method under drawing, characterized in that include:
Breaking point is formed using the electrical connection that strain insulator is disconnected on same wire tension direction;
It includes upper conducting wire, middle conducting wire and lower wire that transmission line of electricity, which is arranged vertically conducting wire,;
Under downlead is drawn by strain clamp drainage plate at the breaking point, is naturally drooped, be mounted on conducting wire using gravity Conducting wire and lower wire in the sagging process of downlead, connection gold utensil on middle conducting wire and lower wire and sagging in the middle conducting wire and institute It states and is fixed between the downlead on lower wire by conductor spacer;
The downlead being mounted on conducting wire is sagging to pass through lower wire, connection gold utensil on the lower wire and sagging under described It is fixed between downlead on conducting wire by conductor spacer;
It is provided with breaking point on the wire tension direction of middle conducting wire, passes through between the breaking point and adjacent spaces stick of middle conducting wire Phase insulation is connected;
It is provided with breaking point on the wire tension direction of lower wire, passes through between the breaking point and adjacent spaces stick of lower wire Phase insulation is connected.
CN201710273103.9A 2017-04-20 2017-04-20 A kind of transmission line of electricity vertical arrangement conducting wire cut-offs connection pattern and method under drawing Active CN106972439B (en)

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Publication number Priority date Publication date Assignee Title
CN110571738A (en) * 2019-08-20 2019-12-13 中国能源建设集团江苏省电力设计院有限公司 device and method for leading and connecting multiple split conductors in transmission line gear

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CN204754412U (en) * 2015-05-26 2015-11-11 国网山东省电力公司经济技术研究院 Same terminal pole of two telegram in reply cables at present of unilateral cross arm
CN204858287U (en) * 2015-07-28 2015-12-09 中国电力技术装备有限公司郑州电力设计院 220kVGIS three -layer roof beam outlet structure
CN204886096U (en) * 2015-08-25 2015-12-16 国家电网公司 Novel improve lightning protection of structure and hit overhead line
CN105390941A (en) * 2015-11-26 2016-03-09 中国能源建设集团安徽省电力设计院有限公司 220KV sail combined type outdoor GIS outlet wire arrangement structure

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JP2000023320A (en) * 1998-06-29 2000-01-21 Toshiba Corp Gas insulation switching device
JP2006333697A (en) * 2006-07-18 2006-12-07 Asahi Tec Corp V-type suspension device
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203312638U (en) * 2013-07-06 2013-11-27 国家电网公司 Screw type outgoing line framework arrangement structure of 220 kilovolt outdoor power distribution device
CN204754412U (en) * 2015-05-26 2015-11-11 国网山东省电力公司经济技术研究院 Same terminal pole of two telegram in reply cables at present of unilateral cross arm
CN204858287U (en) * 2015-07-28 2015-12-09 中国电力技术装备有限公司郑州电力设计院 220kVGIS three -layer roof beam outlet structure
CN204886096U (en) * 2015-08-25 2015-12-16 国家电网公司 Novel improve lightning protection of structure and hit overhead line
CN105390941A (en) * 2015-11-26 2016-03-09 中国能源建设集团安徽省电力设计院有限公司 220KV sail combined type outdoor GIS outlet wire arrangement structure

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