CN207620483U - 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 PDFInfo
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- CN207620483U CN207620483U CN201721664567.4U CN201721664567U CN207620483U CN 207620483 U CN207620483 U CN 207620483U CN 201721664567 U CN201721664567 U CN 201721664567U CN 207620483 U CN207620483 U CN 207620483U
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- hanging wire
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- cross bar
- double back
- wire cross
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 238000009413 insulation Methods 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 17
- 238000000605 extraction Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
Abstract
The utility model belongs to high voltage power transmission technical field, 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 for being 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, it is not less than at twice of 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 and is equipped with vertical rod, the length of vertical rod is not less than one times of leakage distance.The standard trolley of the utility model is simple in structure, in the case where not increasing steel pipe pole altitudes, the wire arrangements that double loop is respectively positioned on shaft side are realized, efficiently solve the problems, such as that steel pipe pole is excessively high when double loop unilateral side hangs conducting wire, costly and later maintenance is costly.
Description
Technical field
The utility model belongs to high voltage power transmission technical field, and in particular to a kind of double back overhead transmission line double back unilateral side cloth
The standard trolley and line-hanging structure set.
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 require 6 phase conductors on two lines road to be erected at the same side of same steel pipe pole, 3 phase lines on two lines road are respectively perpendicular cloth
Set, 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 for controlling the different circuit conducting wire of transmission line of electricity, 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, build at
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 in 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 discloses a kind of aerial single readjustment of double back 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, is not less than twice of leakage distance, and hang 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 connect with the lead-in conductor of the 4th layer of hanging wire cross bar, and the lead-in conductor and lower layer's hanging wire of upper layer 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 that double loop single-sided arrangement is excessively high using the steel pipe pole caused by being arranged vertically, construction cost is high.
Utility model content
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, a kind of double back overhead transmission line is provided
The standard trolley and line-hanging structure of road double back single-sided arrangement are used with solving current double loop single-sided arrangement caused by being arranged vertically
The problem that steel pipe pole is excessively high, construction cost is high.
In order to achieve the above objectives, the utility model uses following technical scheme：A kind of double back overhead transmission line double back list
The standard trolley of side arrangement includes a vertical steel pipe pole of base single-column, and the shaft unilateral side of the steel pipe pole is disposed with mutually from high to low
Four layers of parallel hanging wire cross bar, the first layer of the hanging wire cross bar is for being grounded, and the second to the 4th of the hanging wire cross bar
Layer mounts three-phase main traverse line respectively, and the length of second to the 4th layer of hanging wire cross bar is identical, is not less than twice of leakage distance, the
Two layers of middle part to the 4th layer of hanging wire cross bar, which is not less than at one times of leakage distance, is equipped with vertical rod, the length of the vertical rod
Degree is not less than one times of leakage distance.
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
It is equipped with hanging wire point 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
It is equipped with hanging wire point 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, the i.e. circuits I and II circuit.
The utility model additionally provides a kind of line-hanging structure of double back overhead transmission line double back single-sided arrangement, the hanging wire
Structure includes a vertical steel pipe pole of base single-column, and the shaft unilateral side of the steel pipe pole is disposed with parallel to each other four from high to low
Layer hanging wire cross 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 respectively
Three-phase main traverse line, described second to the 4th layer of hanging wire cross bar length is identical, is not less than twice of leakage distance, and the hanging wire is horizontal
It is equipped with the vertical rod that length is not less than one times of leakage distance, the hanging wire cross bar 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, the i.e. circuits I and II circuit.
The utility model has the beneficial effects that：The utility model provides a kind of double back overhead transmission line double back single-sided arrangement
Standard trolley, including a vertical steel pipe pole of base single-column, the steel pipe pole play a supporting role to whole device, the extension on steel pipe pole
Line cross bar plays the role of hanging the conducting wire of double back overhead transmission line, and first layer hanging wire cross bar is used for hanging ground wire, the second layer
Three-phase main traverse line is mounted respectively to the 4th layer of hanging wire cross bar, and the length of second to the 4th layer of hanging wire cross bar is identical, is not less than two
Leakage distance again 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 is logical
It crosses hanging wire point to be suspended on hanging wire cross bar, the insulation fitting of horizontal direction realizes main traverse line lateral 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
It is equipped with hanging wire point, 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 utility model is simple in structure, in the case where not increasing steel pipe pole altitudes, realizes double back
Road is respectively positioned on the wire arrangements of shaft side.
Description of the drawings
Fig. 1：A kind of front view of double back overhead transmission line hanging wire rod structure of the utility model；
Fig. 2：A kind of side view of double back overhead transmission line hanging wire rod structure of the utility model；
Fig. 3：A kind of line-hanging structure figure of double back overhead transmission line standard trolley of the utility model.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained, shall fall within the protection scope of the present 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 is perpendicular including a base single-column
The shaft unilateral side of straight steel pipe bar 1, the steel pipe pole 1 is equipped with four layers of hanging wire cross bar 2 parallel to each other, the extension successively from high to low
The first layer of line cross bar from high to low for being grounded, second to the 4th layer of the hanging wire cross bar 2 respectively mounting three-phase it is leading
Line, 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, is not less than twice
Leakage distance.It is equipped at the second layer from high to low to not less than one times of the middle part of the 4th layer of hanging wire cross bar leakage distance vertical
Straight-bar 3, the length of the vertical direction of vertical rod 3 are 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 improvement on the basis of embodiment 1, as different from Example 1：The both sides of the vertical rod 3 exist
Both vertically and horizontally it is equipped with insulation fitting 4, the insulation fitting 4 realizes suspension to conducting wire and prevents main traverse line
Lateral shift.Both sides on the second layer from high to low to the 4th layer of hanging wire cross bar 2 centered on vertical rod 3 are not less than one times
Hanging wire point 5 is equipped at leakage distance, the main traverse line is hung on by the insulation fitting 4 on described two hanging wire points 5, and two
A hanging wire point vertically point-blank, facilitates main traverse line to be suspended on hanging wire point 5 in this way.
Embodiment 3
The present embodiment is improvement on the basis of embodiment 2, as different from Example 2：Centered on the vertical rod 3
The main traverse line that hanging wire point 5 described in both sides is hung is belonging respectively to two circuits, the i.e. circuits I and II circuit, the second layer to the 4th
The A phase conductors, B phase conductors, C phase conductors of main traverse line are separately connected on layer hanging wire cross bar 2, every layer of hanging wire cross bar connects a phase and lead
Two circuits of line, the i.e. circuits I and II circuit.
Embodiment 4
As shown in figure 3, the present embodiment is improvement on the basis of embodiment 3, as different from Example 3：The second layer and
It is equipped with mounting vertical direction conducting wire at the leakage distance of not less than one times of 4th layer of both sides of the hanging wire cross bar centered on vertical rod 3
Two hanging wire points 5, hanging wire point 5 mounts the lead-in conductor of corresponding phase and corresponding extraction wire, the two hanging wire points respectively
Vertically point-blank, ground wire and main line line conductor be according to conventional erection mode hanging wire, and ground wire is for being articulated in the
At the leakage distance of not less than one times of both sides centered on the vertical rod of one layer of hanging wire cross bar, second layer hanging wire cross bar it is vertical
Both sides centered on bar 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
Circuit and II circuit.The extraction that both sides of the third layer hanging wire cross bar centered on vertical rod are mounted with B phases lead-in conductor and B phases is led
Line, and it is belonging respectively to two circuits, the i.e. circuits I and II circuit.It is hung in 4th layer of both sides of the hanging wire cross bar centered on vertical rod
It is connected to the extraction wire of C phases lead-in conductor and C phases, and is belonging respectively to two circuits, the i.e. circuits I and II circuit.This ensure that
It hangs on the spacing on same cross bar between two conducting wires of different circuits and is not less than two times of leakage distances, do not increase steel pipe pole height
In the case of degree, the wire arrangements that double loop is respectively positioned on shaft side are realized, and the safe distance between double back line conductor obtains
To control.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme should all cover in the right of the utility model.
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
The shaft unilateral side of tube rod, the steel pipe pole is 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, is not less than twice of leakage distance, 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 length of the vertical rod be not less than one times of electric leakage 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 3, 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 are hanging wire point, the main traverse line to be hung on the hanging wire point by the insulation fitting.
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. the circuits I 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 shaft unilateral side of the one vertical steel pipe pole of base single-column, the steel pipe pole is disposed with four layers of hanging wire cross 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, is not less than twice of leakage distance, and the hanging wire is horizontal
It is equipped with the vertical rod that length is not less than one times of leakage distance, the hanging wire cross bar 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, the i.e. circuits I and II circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721664567.4U CN207620483U (en) | 2017-12-04 | 2017-12-04 | The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721664567.4U CN207620483U (en) | 2017-12-04 | 2017-12-04 | The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN207620483U true CN207620483U (en) | 2018-07-17 |
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ID=62825293
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721664567.4U Active CN207620483U (en) | 2017-12-04 | 2017-12-04 | The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement |
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| CN (1) | CN207620483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086776A (en) * | 2017-12-04 | 2018-05-29 | 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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2017
- 2017-12-04 CN CN201721664567.4U patent/CN207620483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086776A (en) * | 2017-12-04 | 2018-05-29 | 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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