CN108086776A - The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement - Google Patents

The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement Download PDF

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Publication number
CN108086776A
CN108086776A CN201711260613.9A CN201711260613A CN108086776A CN 108086776 A CN108086776 A CN 108086776A CN 201711260613 A CN201711260613 A CN 201711260613A CN 108086776 A CN108086776 A CN 108086776A
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CN
China
Prior art keywords
hanging wire
layer
cross bar
double back
vertical rod
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Granted
Application number
CN201711260613.9A
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Chinese (zh)
Other versions
CN108086776B (en
Inventor
齐道坤
刘湘莅
郭新菊
路晓军
席小娟
梁晟
郭正位
景川
王文峰
肖波
杨敏
李勇
刘存凯
赵志虎
唐旻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Henan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Henan Electric Power Co Ltd
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Priority to CN201711260613.9A priority Critical patent/CN108086776B/en
Publication of CN108086776A publication Critical patent/CN108086776A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02Structures made of specified materials
    • E04H12/08Structures made of specified materials of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/24Cross arms
    • 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
    • H02G7/05Suspension arrangements or devices for electric cables or lines

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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 invention belongs to high voltage power transmission technical fields, and in particular to a kind of standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement.The junction pole includes a vertical steel pipe pole of base single-column, the shaft unilateral side of steel pipe pole is equipped with four layers of hanging wire cross bar parallel to each other successively from high to low, the first layer from high to low of hanging wire cross bar is used to be grounded, second to the 4th layer mounts three-phase main traverse line respectively, the length of second to the 4th layer of hanging wire cross bar is identical, vertical rod is equipped at the leakage distance second layer to not less than one times of the middle part of the 4th layer of hanging wire cross bar leakage distance not less than twice, the length of vertical rod is not less than one times of leakage distance.The standard trolley of the present invention is simple in structure, in the case where not increasing steel pipe pole altitudes, realizes the wire arrangements that double loop is respectively positioned on shaft one side, efficiently solve the problems, such ass that steel pipe pole is excessively high during the suspension conducting wire of double loop unilateral side, costly and later maintenance is costly.

Description

The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement
Technical field
The invention belongs to high voltage power transmission technical fields, and in particular to a kind of double back overhead transmission line double back single-sided arrangement Standard trolley and line-hanging structure.
Background technology
Transmission line of electricity is the electric device for connecting both ends substation, and every transmission line of alternation current sets up 3 phase conductors, technology On 6 phase conductors on two lines road is required to be erected at the same side of same steel pipe pole, 3 phase lines on two lines road are respectively perpendicular cloth Put, two lines road horizontal parallel arrangement, in order to meet two lines road homonymy it is horizontally disposed when different circuit conducting wire between be not less than Two times of leakage distance, it is necessary to the wire spacing of the different circuit conducting wire of transmission line of electricity is controlled, in the past frequently with two lines road The vertically arranged mode of homonymy realizes the control of wire spacing, but the excessive height of the steel pipe pole of this arrangement, builds into This height, and the maintenance cost in later stage is high.
The patent of Publication No. CN104141405A discloses a kind of double back overhead transmission line and makes somebody a mere figurehead wire barrel and its connect Cable architecture belongs to high voltage power transmission technical field.This patent is by the basis of existing junction pole, on steel pipe pole from high to low It is provided at least two cross bars and a low wire rod, the vertical plane of low wire rod and each cross bar plane where each standard trolley It is interior, diverging tracks conducting wire using horizontally disposed, with compress to greatest extent lead, the interfloor distance of ground wire, make full use of limited Spatial altitude;Jumper is arranged vertically above and below using single-phase transmission line, but the present apparatus can not solve the technology of double loop single-sided arrangement Problem.
The patent that notification number is CN105119228B, which discloses a kind of double back, makes somebody a mere figurehead single readjustment and connects line bar and wiring construction, The second of the junction pole is identical with the length of the 4th layer of hanging wire cross bar, the leakage distance not less than twice, and is hung than third layer The length of line cross bar is not less than one times of leakage distance, and the length of third layer hanging wire cross bar is not less than one times of leakage distance, the Conducting wire is vertically arranged between the end of two and the 4th layers of two hanging wire cross bar, the conducting wire is horizontal by jumper and second layer hanging wire The extraction wire of bar is connected with the lead-in conductor of the 4th layer of hanging wire cross bar, and the lead-in conductor and lower floor's hanging wire of upper strata hanging wire cross bar are horizontal The extraction wire of bar is connected by the jumper being in tilted layout above and below, to realize that the phase sequence to three lead-in conductors adjusts, but should Structure can not solve the problems, such as double loop single-sided arrangement, and using being arranged vertically, caused steel pipe pole is excessively high, construction cost is high.
The content of the invention
In view of this, it is double in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of double back overhead transmission line The standard trolley and line-hanging structure of single-sided arrangement are returned, to solve current double loop single-sided arrangement using the steel pipe caused by being arranged vertically The problem of bar is excessively high, construction cost is high.
In order to achieve the above objectives, the present invention uses following technical scheme:A kind of double back overhead transmission line double back unilateral side cloth The standard trolley put includes a vertical steel pipe pole of base single-column, and the shaft unilateral side of the steel pipe pole is disposed with mutually equal from high to low Four layers of capable hanging wire cross bar, the first layer of the hanging wire cross bar is for being grounded, and the second to four layer point of the hanging wire cross bar Not Gua Jie three-phase main traverse line, the length of second to the 4th layer of hanging wire cross bar is identical, the leakage distance not less than twice, described Not less than vertical rod is equipped at one times of leakage distance, the length of the vertical rod is equal at two layers of middle part to the 4th layer of hanging wire cross bar Leakage distance not less than one times.
Further, the vertical rod is metal material.
Further, the both sides of the vertical rod are both vertically and horizontally being equipped with insulation fitting.
Further, the both sides on the second layer to the 4th layer of hanging wire cross bar centered on the vertical rod are not less than one Hanging wire point is equipped at times leakage distance, the main traverse line is hung on by the insulation fitting on the hanging wire point.
Further, the both sides on the second layer to the 4th layer of hanging wire cross bar centered on the vertical rod are not less than one Hanging wire point is equipped at times leakage distance, the main traverse line is hung on by the insulation fitting on the hanging wire point.
Further, the main traverse line that hanging wire point described in the both sides centered on the vertical rod is hung is belonging respectively to two and returns Road, i.e. I circuits and II circuit.
The present invention also provides a kind of line-hanging structure of double back overhead transmission line double back single-sided arrangement, the line-hanging structures Including a vertical steel pipe pole of base single-column, the shaft unilateral side of the steel pipe pole is disposed with four layers of extension parallel to each other from high to low Line cross bar, for the first layer of the hanging wire cross bar for being grounded, second to the 4th layer of the hanging wire cross bar mounts three-phase respectively Main traverse line, described second to the 4th layer of hanging wire cross bar length is identical, the leakage distance not less than twice, the hanging wire cross bar Middle part not less than being equipped with vertical rod of the length not less than one times of leakage distance at one times of leakage distance, on the hanging wire cross bar with Both sides centered on the vertical rod are respectively equipped with the hanging wire point of mounting main traverse line at not less than one times leakage distance, described to hang down The main traverse line that hanging wire point described in both sides centered on straight-bar is hung is belonging respectively to two circuits, i.e. I circuits and II circuit.
The beneficial effects of the invention are as follows:The present invention provides a kind of hanging wire of double back overhead transmission line double back single-sided arrangement Bar, including a vertical steel pipe pole of base single-column, the steel pipe pole plays a supporting role to whole device, the hanging wire cross bar on steel pipe pole Play the role of hanging the conducting wire of double back overhead transmission line, first layer hanging wire cross bar is used for hanging ground wire, the second layer to the 4th Layer hanging wire cross bar mounts three-phase main traverse line respectively, and the length of second to the 4th layer of hanging wire cross bar is identical, the leakage not less than twice Electrical distance can eliminate electric leakage hidden danger.The vertical rod plays the role of supports insulative gold utensil.
The vertical rod conducts electricity very well for metal material, and the insulation fitting of the vertical direction of the both sides of the vertical rod leads to It crosses hanging wire point to be suspended on hanging wire cross bar, the insulation fitting of horizontal direction realizes main traverse line horizontal support, prevents conducting wire It laterally just moves, at the leakage distance of not less than one times of the both sides on the second layer to the 4th layer of hanging wire cross bar centered on the vertical rod Hanging wire point is equipped with, hanging wire point plays the role of main traverse line to be hung vertically on hanging wire cross bar, and that is hung on same cross bar leads Line is not belonging to same circuit, realizes the spacing hung on same cross bar between two conducting wires of different circuits and is not less than two times The control of leakage distance.The standard trolley of the present invention is simple in structure, and in the case where not increasing steel pipe pole altitudes, it is equal to realize double loop Wire arrangements positioned at shaft one side.
Description of the drawings
Fig. 1:A kind of front view of double back overhead transmission line hanging wire rod structure of the present invention;
Fig. 2:A kind of side view of double back overhead transmission line hanging wire rod structure of the present invention;
Fig. 3:A kind of line-hanging structure figure of double back overhead transmission line standard trolley of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair Bright part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill Personnel's all other embodiments obtained, belong to the scope of protection of the invention.
Embodiment 1
As depicted in figs. 1 and 2, a kind of standard trolley of double back overhead transmission line double back single-sided arrangement includes a vertical steel of base single-column Tube rod 1, the shaft unilateral side of the steel pipe pole 1 are equipped with four layers of hanging wire cross bar 2 parallel to each other successively from high to low, and the hanging wire is horizontal The first layer of bar from high to low is for being grounded, and second to the 4th layer of the hanging wire cross bar 2 mounts three-phase main traverse line respectively, i.e., A phase conductors, B phase conductors, C phase conductors, wherein, the length of second to the 4th layer of hanging wire cross bar is identical, the leakage not less than twice Electrical distance.The second layer from high to low to the middle part of the 4th layer of hanging wire cross bar, which is not less than at one times of leakage distance, is equipped with vertical rod 3, the length of the vertical direction of vertical rod 3 is not less than one times of leakage distance.
Vertical rod 3 is metal material, because metal material electric conductivity is good.
Embodiment 2
The present embodiment is the improvement on the basis of embodiment 1, as different from Example 1:The both sides of the vertical rod 3 are vertical Direction and horizontal direction are equipped with insulation fitting 4, and the insulation fitting 4 realizes suspension to conducting wire and prevents the transverse direction of main traverse line Offset.Not less than one times of both sides electric leakage on the second layer from high to low to the 4th layer of hanging wire cross bar 2 centered on vertical rod 3 Hanging wire point 5 is equipped at distance, the main traverse line is hung on by the insulation fitting 4 on described two hanging wire points 5, two extensions Line point vertically point-blank, so facilitates main traverse line to be suspended on hanging wire point 5.
Embodiment 3
The present embodiment is the improvement on the basis of embodiment 2, as different from Example 2:Both sides centered on the vertical rod 3 The main traverse line that the hanging wire point 5 is hung is belonging respectively to two circuits, i.e. I circuits and II circuit, the second layer to the 4th layer of extension The A phase conductors, B phase conductors, C phase conductors of main traverse line are connected on line cross bar 2 respectively, every layer of hanging wire cross bar connects the two of a phase conductor A circuit, i.e. I circuits and II circuit.
Embodiment 4
As shown in figure 3, the present embodiment is the improvement on the basis of embodiment 3, as different from Example 3:The second layer and the 4th The two of mounting vertical direction conducting wire is equipped at the leakage distance of not less than one times of the both sides centered on vertical rod 3 of layer hanging wire cross bar A hanging wire point 5, hanging wire point 5 mount the lead-in conductor of corresponding phase and corresponding extraction wire respectively, the two hanging wire points edge is perpendicular Nogata is to point-blank, and according to conventional erection mode hanging wire, ground wire is used to be articulated in first layer for ground wire and main line line conductor At not less than one times of both sides leakage distance centered on the vertical rod of hanging wire cross bar, the vertical rod of second layer hanging wire cross bar is The both sides at center are mounted with the extraction wire of A phases lead-in conductor and corresponding A phases, and are belonging respectively to two circuits, i.e., I circuits and II circuit.Both sides of the third layer hanging wire cross bar centered on vertical rod are mounted with the extraction wire of B phases lead-in conductor and B phases, and It is belonging respectively to two circuits, i.e. I circuits and II circuit.C is mounted in 4th layer of both sides of the hanging wire cross bar centered on vertical rod The extraction wire of phase lead-in conductor and C phases, and it is belonging respectively to two circuits, i.e. I circuits and II circuit.This ensure that it hangs on Spacing on same cross bar between two conducting wires of different circuits does not increase steel pipe pole altitudes not less than two times of leakage distances Under, the wire arrangements that double loop is respectively positioned on shaft one side are realized, and the safe distance between double back line conductor is controlled.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this field is common Other modifications or equivalent substitution that technical staff makes technical scheme, without departing from technical solution of the present invention Spirit and scope, should be covered by the scope of the claims of the present invention.

Claims (6)

1. a kind of standard trolley of double back overhead transmission line double back single-sided arrangement, it is characterised in that:Including a vertical steel of base single-column Tube rod, the shaft unilateral side of the steel pipe pole are equipped with four layers of hanging wire cross bar parallel to each other, the hanging wire cross bar successively from high to low For first layer from high to low for being grounded, second to the 4th layer of the hanging wire cross bar mounts three-phase main traverse line respectively, and second Length to the 4th layer of hanging wire cross bar is identical, the leakage distance not less than twice, the second layer to the 4th layer of hanging wire cross bar Middle part not less than being equipped with vertical rod at one times of leakage distance, the electric leakage of the length of the vertical rod not less than one times away from From.
2. a kind of standard trolley of double back overhead transmission line double back single-sided arrangement according to claim 1, it is characterised in that: The vertical rod is metal material.
3. a kind of standard trolley of double back overhead transmission line double back single-sided arrangement according to claim 1, it is characterised in that: The both sides of the vertical rod are both vertically and horizontally being equipped with insulation fitting.
4. a kind of standard trolley of double back overhead transmission line double back single-sided arrangement according to claim 1, it is characterised in that: Both sides on the second layer to the 4th layer of hanging wire cross bar centered on the vertical rod, which are not less than at one times of leakage distance, to be all provided with There is hanging wire point, the main traverse line is hung on by the insulation fitting on the hanging wire point.
5. a kind of standard trolley of double back overhead transmission line double back single-sided arrangement according to claim 1 or 4, feature exist In:The main traverse line that hanging wire point described in both sides centered on the vertical rod is hung is belonging respectively to two circuits, i.e. I circuits and II time Road.
6. a kind of line-hanging structure of double back overhead transmission line double back single-sided arrangement, it is characterised in that:The line-hanging structure includes The one vertical steel pipe pole of base single-column, the shaft unilateral side of the steel pipe pole are disposed with four layers of hanging wire horizontal stroke parallel to each other from high to low Bar, for being grounded, second to the 4th layer of the hanging wire cross bar mounts the first layer of the hanging wire cross bar from high to low respectively Three-phase main traverse line, described second to the 4th layer of hanging wire cross bar length is identical, the leakage distance not less than twice, and the hanging wire is horizontal Vertical rod of the length not less than one times of leakage distance, the hanging wire cross bar are equipped at the leakage distance of not less than one times of the middle part of bar On both sides centered on the vertical rod hanging wire point of mounting main traverse line, institute are respectively equipped at not less than one times leakage distance The main traverse line for stating hanging wire point suspension described in the both sides centered on vertical rod is belonging respectively to two circuits, i.e. I circuits and II circuit.
CN201711260613.9A 2017-12-04 2017-12-04 Double-circuit overhead transmission line double-circuit unilaterally arranged wire hanging rod and wire hanging structure Active CN108086776B (en)

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Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606641A1 (en) * 1993-01-14 1994-07-20 Tiwag Tiroler Wasserkraftwerke Aktiengesellschaft System of high voltage lines
CN2713704Y (en) * 2004-05-26 2005-07-27 江苏省电力公司常州供电公司 Four circuit steel tube rod for electric power transmission lines
RU2354793C1 (en) * 2007-10-05 2009-05-10 Юрий Робертович Гунгер Bearing for overhead power transmission line of high and extra high voltage and for multiple circuits
KR100958613B1 (en) * 2009-11-24 2010-05-19 (유) 이티산업 Electric pole using cable guide
CN102094544A (en) * 2009-12-09 2011-06-15 河南省电力公司安阳供电公司 110KV power line double-circuit linear double-T connection tower
CN102290775A (en) * 2011-04-26 2011-12-21 安徽省电力公司淮北供电公司 Lightning-caused breaking prevention method for 10kV overhead insulating line
CN103133777A (en) * 2013-03-08 2013-06-05 国核工程有限公司 Adjustable moving rotary type combined support
CN203131225U (en) * 2013-03-08 2013-08-14 国核工程有限公司 Adjustable movable rotary-type combined support
CN103362343A (en) * 2013-07-04 2013-10-23 国家电网公司 Same-tower six-loop tower
CN203334759U (en) * 2013-07-12 2013-12-11 成都城电电力工程设计有限公司 Novel double-loop terminal tower with one side hanging wires
CN203423464U (en) * 2013-08-08 2014-02-05 广东电网公司电力科学研究院 Lightning protection device for double-circuit power distribution line
CN103669968A (en) * 2013-11-28 2014-03-26 苏州踵力重型机械有限公司 Combined steel pipe rod
CN105113841A (en) * 2015-08-07 2015-12-02 武汉南瑞电力工程技术装备有限公司 35kV double-circuit tubular composite rod tower
CN105119228A (en) * 2015-08-14 2015-12-02 国家电网公司 A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure
WO2016203219A1 (en) * 2015-06-16 2016-12-22 Babcock Networks Limited Overhead conductor stringing method
US20170279259A1 (en) * 2014-09-01 2017-09-28 Jiangsu Shenma Electric Co., Ltd. Power transmission tower
CN207620483U (en) * 2017-12-04 2018-07-17 国网河南省电力公司经济技术研究院 The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606641A1 (en) * 1993-01-14 1994-07-20 Tiwag Tiroler Wasserkraftwerke Aktiengesellschaft System of high voltage lines
CN2713704Y (en) * 2004-05-26 2005-07-27 江苏省电力公司常州供电公司 Four circuit steel tube rod for electric power transmission lines
RU2354793C1 (en) * 2007-10-05 2009-05-10 Юрий Робертович Гунгер Bearing for overhead power transmission line of high and extra high voltage and for multiple circuits
KR100958613B1 (en) * 2009-11-24 2010-05-19 (유) 이티산업 Electric pole using cable guide
CN102094544A (en) * 2009-12-09 2011-06-15 河南省电力公司安阳供电公司 110KV power line double-circuit linear double-T connection tower
CN102290775A (en) * 2011-04-26 2011-12-21 安徽省电力公司淮北供电公司 Lightning-caused breaking prevention method for 10kV overhead insulating line
CN103133777A (en) * 2013-03-08 2013-06-05 国核工程有限公司 Adjustable moving rotary type combined support
CN203131225U (en) * 2013-03-08 2013-08-14 国核工程有限公司 Adjustable movable rotary-type combined support
CN103362343A (en) * 2013-07-04 2013-10-23 国家电网公司 Same-tower six-loop tower
CN203334759U (en) * 2013-07-12 2013-12-11 成都城电电力工程设计有限公司 Novel double-loop terminal tower with one side hanging wires
CN203423464U (en) * 2013-08-08 2014-02-05 广东电网公司电力科学研究院 Lightning protection device for double-circuit power distribution line
CN103669968A (en) * 2013-11-28 2014-03-26 苏州踵力重型机械有限公司 Combined steel pipe rod
US20170279259A1 (en) * 2014-09-01 2017-09-28 Jiangsu Shenma Electric Co., Ltd. Power transmission tower
WO2016203219A1 (en) * 2015-06-16 2016-12-22 Babcock Networks Limited Overhead conductor stringing method
CN105113841A (en) * 2015-08-07 2015-12-02 武汉南瑞电力工程技术装备有限公司 35kV double-circuit tubular composite rod tower
CN105119228A (en) * 2015-08-14 2015-12-02 国家电网公司 A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure
CN207620483U (en) * 2017-12-04 2018-07-17 国网河南省电力公司经济技术研究院 The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement

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