CN205502703U - Transmission line pi connects tower - Google Patents
Transmission line pi connects tower Download PDFInfo
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- CN205502703U CN205502703U CN201620320230.0U CN201620320230U CN205502703U CN 205502703 U CN205502703 U CN 205502703U CN 201620320230 U CN201620320230 U CN 201620320230U CN 205502703 U CN205502703 U CN 205502703U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 239000004020 conductor Substances 0.000 claims description 83
- 230000005611 electricity Effects 0.000 claims description 27
- 239000012212 insulator Substances 0.000 claims description 9
- -1 third party Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 239000002689 soil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a transmission line pi connects tower, including the tower body, the tower body is from last looks cross arm among the photogenic cross arm of the third party, the third party, third party's bottom phase cross arm, first cross arm, second cross arm and the third cross arm of having set gradually under to, the photogenic cross arm of the third party among the third party looks cross arm with third party's bottom phase cross arm is T type cross arm. When using the disclosed transmission line pi connects tower of utility model, through the third party's cross arm that sets up T type structure, need reform transform this or the mode of cut -offfing of newly -built triply primitive iron tower, simplify to the newly -built transmission line pi connects tower who has the cross arm of T type structure, practice thrift operating cost and area, sparingly land resource.
Description
Technical field
This utility model relates to transmission facility technical field, more particularly, it relates to a kind of transmission line of electricity π
Connect tower.
Background technology
Along with urban development, the soil of planning region is more and more rare, and electric power development needs more soil
Ground resource, for building high-tension line to support fast-developing city electricity consumption.For effectively saving electric lines of force
Corridor, road is taken up an area, and multiple-loop line overhead transmission line is carried out by country, and wherein conventional is same tower four loop line road.Electricity
During power is built, sometimes according to grid demand, built double back high-voltage line need to be opened " π " and form four
Loop line road.
At present, general open " π " way and need to build at least three base steel towers, for building three base steel towers,
Calculating according to national grid universal design, the basis of three base steel towers is taken up an area and is about 818 square metres, its base
Plinth concrete square amount is about 1000 cubic metres, and its reinforcement foundation weight is about 82.4 tons, opens " π " for this kind
Method, its floor space is relatively big, and cost is higher, is unfavorable for optimizing land resource.
In sum, how to efficiently solve when steel tower opens " π " that floor space is relatively big, cost is higher
Problem, is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of transmission line of electricity π to connect tower, to solve ferrum
The problem that when tower opens " π ", floor space is relatively big, cost is higher.
In order to achieve the above object, the following technical scheme of this utility model offer:
A kind of transmission line of electricity π connects tower, and including tower body, described tower body is disposed with third party from top to bottom
Phase cross-arm, the first cross-arm, the second cross-arm and the 3rd under phase cross-arm, third party in upper phase cross-arm, third party
Cross-arm, in described third party upper phase cross-arm, described third party, under phase cross-arm and described third party, phase cross-arm is equal
For T-shaped cross-arm.
Preferably, in the upper phase conductor of third party, third party under phase conductor, third party phase conductor through insulator string
It is connected in described third party upper phase cross-arm, described third party horizontal mutually under phase cross-arm, described third party
The vertical end of load, third party π connects phase conductor, third party π connects middle phase conductor and third party π connects lower phase
Wire phase cross-arm, described in insulator string is connected to described third party upper phase cross-arm, described third party
The horizontal ends both sides of phase cross-arm under third party, phase conductor in described third party upper phase conductor, described third party
With after under described third party, phase conductor cut-offs respectively wire jumper connect described third party π and connect phase conductor, described
Third party π connects middle phase conductor and described third party π connects lower phase conductor.
Preferably, described first cross-arm, described second cross-arm, the two ends of described 3rd cross-arm connect respectively
It is connected to π link.
Preferably, phase under phase conductor and described third party in described third party upper phase conductor, described third party
Wire, described third party π connect phase conductor, described third party π connects middle phase conductor and described third party π
Connect lower phase conductor and be double-circuit line wire.
Preferably, described π link is double-circuit line wire and arranged vertically.
Preferably, the upper phase conductor of described third party and described third party π connect between phase conductor, the described 3rd
In side, phase conductor and described third party π connect phase conductor and the described 3rd between middle phase conductor, under described third party
Side π connects and is respectively perpendicular arrangement between lower phase conductor.
The transmission line of electricity π that this utility model provides connects tower, including tower body.Wherein, on tower body from top to bottom
Set gradually in third party upper phase cross-arm, third party phase cross-arm under phase cross-arm, third party, the first cross-arm,
Second cross-arm and the 3rd cross-arm, phase cross-arm under phase cross-arm and third party in third party's upper phase cross-arm, third party
It is T-shaped cross-arm.When the transmission line of electricity π that application utility model provides connects tower, by arranging T-type structure
Third party's cross-arm, this need to be transformed or newly-built three base steel towers cut-off mode, be reduced to newly-built with T junction
The transmission line of electricity π of the cross-arm of structure connects tower, saves operating cost and floor space, saves land resource.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 connects the front view of tower for the transmission line of electricity π that this utility model embodiment provides;
Fig. 2 connects the left view of tower for the transmission line of electricity π that this utility model embodiment provides;
Fig. 3 connects the top view of tower for the transmission line of electricity π that this utility model embodiment provides;
The hanging wire schematic top plan view of the upper phase cross-arm of third party that Fig. 4 provides for this utility model embodiment;
The hanging wire schematic top plan view of the first cross-arm that Fig. 5 provides for this utility model embodiment;
Fig. 6 connects the schematic three dimensional views of pylon line for the transmission line of electricity π that this utility model embodiment provides.
In accompanying drawing, labelling is as follows:
Phase cross-arm the 3, first cross-arm 4 under phase cross-arm 2, third party in third party's upper phase cross-arm 1, third party,
Second cross-arm the 5, the 3rd cross-arm 6, tower body 7.
Detailed description of the invention
This utility model embodiment discloses a kind of transmission line of electricity π and connects tower, during to solve steel tower and open " π "
Floor space is relatively big, the problem that cost is higher.
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Refer to the master that Fig. 1-Fig. 6, Fig. 1 connect tower for the transmission line of electricity π that this utility model embodiment provides regard
Figure;Fig. 2 connects the left view of tower for the transmission line of electricity π that this utility model embodiment provides;Fig. 3 is this practicality
The transmission line of electricity π that new embodiment provides connects the top view of tower;Fig. 4 provides for this utility model embodiment
The hanging wire schematic top plan view of third party's upper phase cross-arm;The first cross-arm that Fig. 5 provides for this utility model embodiment
Hanging wire schematic top plan view;The transmission line of electricity π that Fig. 6 provides for this utility model embodiment connects the three of pylon line
Dimension schematic diagram.
In a kind of specific embodiment, transmission line of electricity π connects tower and includes tower body 7.Wherein, tower body 7 from
Set gradually down in third party upper phase cross-arm 1, third party phase cross-arm 3 under phase cross-arm 2, third party, the
One cross-arm the 4, second cross-arm 5 and third party's cross-arm, phase cross-arm 2 and in third party's upper phase cross-arm 1, third party
Under third party, phase cross-arm 3 is T-type structure.T-shaped cross-arm is set in transmission line of electricity, newly-built three base ferrum will be needed
By setting, the mode of cut-offfing of tower includes that a base steel tower of T-shaped cross-arm is achieved, pass through on a base steel tower
The connection of circuit, completes circuit and opens " π ", saves operating cost and floor space, beneficially soil
Rationalize and use.General, first cross-arm the 4, second cross-arm 5 and the 3rd cross-arm 6 are linear type cross-arm, full
Foot opens the requirement of π, but in other embodiments, it is also possible to other kinds of cross-arm is set, as long as can
Reach identical technique effect.
General, steel tower is strain resistant steel tower, is not construed as limiting the type of concrete steel tower, can be according to reality
The operation on border needs to be configured, and does not repeats them here.
Concrete, in the upper phase conductor of third party, third party under phase conductor, third party phase conductor through insulator string
It is connected in third party upper phase cross-arm 1, third party the vertical end of phase cross-arm 3 under phase cross-arm 2, third party,
Third party π connects phase conductor, third party π connects middle phase conductor and third party π connects lower phase conductor through insulator string
It is connected in third party upper phase cross-arm 1, third party the horizontal ends of phase cross-arm 3 under phase cross-arm 2, third party
Both sides, wire jumper respectively after phase conductor cut-offs under phase conductor and third party in the upper phase conductor of third party, third party
Third party π connects phase conductor, third party π connects middle phase conductor and third party π connects lower phase conductor in connection.As
Shown in Fig. 4, as a example by the upper phase cross-arm 1 of third party, the vertical end of third party's upper phase cross-arm 1 is provided with third party
Upper phase conductor, the both sides of the horizontal ends of third party's upper phase cross-arm 1 are provided with third party π and connect phase conductor, the
Tripartite's cross-arm is T-type structure, and vertical end herein is T-shaped vertical line end, and horizontal ends is T-shaped horizontal line end,
The upper phase conductor of third party connects phase conductor with the third party π at homonymy and is connected through wire jumper, and third party leads mutually
Line is two wires being not communicated with that former straight-through wire is formed after cut-offfing, and insulate through insulator string between the two,
So when circuit needs to open " π ", former straight-through wire can be used to carry out through two wires cut-offfing formation
Connect so that the step of bridge joint wire simplifies again, improve working performance.Phase conductor and in third party
Under tripartite, the concrete wire of phase conductor is arranged ibid, all in protection domain of the present utility model.
The most straight-through wire of the upper phase conductor of third party, respectively through insulator string phase upper with third party after cut-offfing
The vertical end of cross-arm 1 is connected, in other embodiments, it is also possible on third party, phase cross-arm 1 is vertical
End is respectively provided with both threads road, completes opening " π " of circuit, but this kind of set-up mode need to reset two
Root wire, complex, all in protection domain of the present utility model, the level of third party's upper phase cross-arm 1
The both sides of end are respectively provided with third party π and connect phase conductor, and the upper phase conductor of third party and third party π connect phase
Wire connects through wire jumper, forms π and takes back road.The company of phase cross-arm 3 under phase cross-arm 2 and third party in third party
Connect mode ibid, do not repeat them here.
Position relationship and annexation between insulator string and wire refer to prior art.
Further, described first cross-arm 4, described second cross-arm 5, the two ends of described 3rd cross-arm 6 are divided equally
Lian Jie there is not π link.As it is shown in figure 5, illustrate as a example by the first cross-arm 4, i.e. at the first cross-arm 4
Two ends be respectively provided with two wires, two wires connect through wire jumper, it is achieved from the circuit connect through to π
Change.At the two ends of the first cross-arm 4, the two ends of the second cross-arm 5, the two ends of the 3rd cross-arm 6 connect respectively
There is π link.First cross-arm the 4, second cross-arm 5 and the concrete connected mode of wire and first of the 3rd cross-arm 6
Cross-arm 4 is identical, all in protection domain of the present utility model.
Further, phase conductor under phase conductor, third party in the upper phase conductor of third party, third party,
Tripartite π connects phase conductor, third party π connects middle phase conductor and described third party π connects lower phase conductor, is
Double-circuit line wire.General, above-mentioned wire is double-circuit line wire, opens double-circuit line wire shape after π
Become four loop line roads, as a example by the upper phase conductor of third party and third party π connect phase conductor, as shown in Figure 4, will
On 3rd, phase cross-arm is left half side along centrage and the right side is half side, as a example by a left side is half side, and the upper phase conductor of third party
Connect phase conductor with third party π to be double loop wire, i.e. above two wire and respectively comprise two and lead
Line, on third party, phase conductor connects phase conductor after wire jumper is connected with third party π, and third party leads mutually
The corresponding four third party π of each wire in line connect phase conductor, straight-through double loop that will be original
Four loop line roads it are changed into, when a circuit wherein is impaired, it is possible to entered by other loops after opening π
Row power supply, meets the network demand of system so that equipment has obtained multi-ensuring when transmission of electricity, so that
Wherein during a line failure, All other routes can continue to power for equipment, prevents large-scale fault
The generation of accident.In other embodiments, it is also possible to single back line is set, or single back line and double loop
Road is arranged jointly, but arranges single back line waste device resource, and concrete can be according to actual operation needs
Select.
Concrete, π link is double-circuit line and arranged vertically.As described above, general, π connects
Circuit is that two bars of wires are separately positioned on the first cross-arm the 4, second cross-arm 5 and two ends of the 3rd cross-arm 6, in order to
Facilitate the setting of other wires and laying in order of circuit, the general perpendicular placement of π link, it is simple to
On tower body 7, All other routes are set, in other embodiments, it is also possible to do not carry out arranged vertically, but do not carry out
Arranged vertically, when a plurality of circuit, easily cause the Measuring error difficulty of each circuit, concrete, can root
The operation on border needs to be configured factually.
Further, the upper phase conductor of third party and third party π connect phase conductor between phase conductor, in third party
With third party π meets phase conductor and third party π between middle phase conductor, under third party and connects and hang down respectively between lower phase conductor
In line row.General, can be configured by arranged vertically between the two lines road that π connects, implement at other
In example, it is also possible to place at an angle, but set at a plurality of circuit when placing at an angle simultaneously
When putting on a tower body 7, easily cause circuit confusion and inconvenience is installed, there is also certain potential safety hazard.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (6)
1. transmission line of electricity π connects a tower, including tower body (7), it is characterised in that described tower body (7)
It is disposed with phase cross-arm (2), third party in third party upper phase cross-arm (1), third party from top to bottom
Lower phase cross-arm (3), the first cross-arm (4), the second cross-arm (5) and the 3rd cross-arm (6), described
Phase cross-arm (3) under phase cross-arm (2) and described third party in tripartite's upper phase cross-arm (1), described third party
It is T-shaped cross-arm.
Transmission line of electricity π the most according to claim 1 connects tower, it is characterised in that lead mutually on third party
In line, third party, under phase conductor, third party, phase conductor is connected to the upper phase of described third party through insulator string
The vertical end of phase cross-arm (3) under phase cross-arm (2), described third party in cross-arm (1), described third party,
Third party π connects phase conductor, third party π connects middle phase conductor and third party π connects lower phase conductor through insulator string
Be connected to phase cross-arm (2) in described third party upper phase cross-arm (1), described third party, described the
The horizontal ends both sides of phase cross-arm (3) under tripartite, lead in described third party upper phase conductor, described third party mutually
After under line and described third party, phase conductor cut-offs, the described third party π of wire jumper connection connects phase conductor, institute respectively
State third party π and connect middle phase conductor and described third party π connects lower phase conductor.
Transmission line of electricity π the most according to claim 1 connects tower, it is characterised in that described first cross-arm
(4), described second cross-arm (5), the two ends of described 3rd cross-arm (6) connect respectively π wiring
Road.
Transmission line of electricity π the most according to claim 2 connects tower, it is characterised in that on described third party
In phase conductor, described third party, under phase conductor and described third party, phase conductor, described third party π connect phase
Wire, described third party π connect middle phase conductor and described third party π connects lower phase conductor and is double-circuit line and leads
Line.
Transmission line of electricity π the most according to claim 3 connects tower, it is characterised in that described π link
For double-circuit line wire and arranged vertically.
Transmission line of electricity π the most according to claim 2 connects tower, it is characterised in that on described third party
Phase conductor and described third party π connect phase conductor and described third party π between phase conductor, in described third party
Meet phase conductor and described third party π between phase conductor, under described third party to connect and be respectively perpendicular between lower phase conductor
Arrangement.
Priority Applications (1)
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CN201620320230.0U CN205502703U (en) | 2016-04-15 | 2016-04-15 | Transmission line pi connects tower |
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CN201620320230.0U CN205502703U (en) | 2016-04-15 | 2016-04-15 | Transmission line pi connects tower |
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CN201620320230.0U Active CN205502703U (en) | 2016-04-15 | 2016-04-15 | Transmission line pi connects tower |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112160642A (en) * | 2020-09-23 | 2021-01-01 | 国网河北省电力有限公司邯郸供电分公司 | Double-return pi-shaped connecting tower |
-
2016
- 2016-04-15 CN CN201620320230.0U patent/CN205502703U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112160642A (en) * | 2020-09-23 | 2021-01-01 | 国网河北省电力有限公司邯郸供电分公司 | Double-return pi-shaped connecting tower |
CN112160642B (en) * | 2020-09-23 | 2021-09-07 | 国网河北省电力有限公司邯郸供电分公司 | Double-return pi-shaped connecting tower |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: State Grid Corporation of China Patentee after: CHONGQING ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: CHONGQING ELECTRIC POWER DESIGN INSTITUTE |
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CP01 | Change in the name or title of a patent holder |