CN205502703U - Transmission line pi connects tower - Google Patents

Transmission line pi connects tower Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
party
arm
cross
phase
phase conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620320230.0U
Other languages
Chinese (zh)
Inventor
谢德心
刘振华
郭恒
王新宽
郑煜
黄刚
秦榛
武长青
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.)
Chongqing Electric Power Design Institute Co ltd
State Grid Corp of China SGCC
Original Assignee
Chongqing electric power design institute
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing electric power design institute, State Grid Corp of China SGCC filed Critical Chongqing electric power design institute
Priority to CN201620320230.0U priority Critical patent/CN205502703U/en
Application granted granted Critical
Publication of CN205502703U publication Critical patent/CN205502703U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Suspension Of Electric Lines Or Cables (AREA)

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

Transmission line of electricity π connects tower
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.
CN201620320230.0U 2016-04-15 2016-04-15 Transmission line pi connects tower Active CN205502703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620320230.0U CN205502703U (en) 2016-04-15 2016-04-15 Transmission line pi connects tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620320230.0U CN205502703U (en) 2016-04-15 2016-04-15 Transmission line pi connects tower

Publications (1)

Publication Number Publication Date
CN205502703U true CN205502703U (en) 2016-08-24

Family

ID=56715673

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620320230.0U Active CN205502703U (en) 2016-04-15 2016-04-15 Transmission line pi connects tower

Country Status (1)

Country Link
CN (1) CN205502703U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN105099222B (en) A kind of thyristor converter valve tower for D.C. high voltage transmission
CN102611107A (en) Urban medium-voltage power distribution network closed-loop power supply system based on annular net rack
CN103362343B (en) A kind of with tower six circuit pole tower
CN202520040U (en) Bifurcated pole tower for realizing double-T connection of double circuit power transmission line
CN206272192U (en) A kind of new 330kV power distribution equipments in high altitude localities
CN205502703U (en) Transmission line pi connects tower
CN104821490A (en) 500 kV HGIS power distribution device arrangement structure
CN204045951U (en) A kind of arrangement of 220kV power distribution equipment
CN108011338A (en) Combined cable support for cable duct
CN206932003U (en) A kind of expansible how annular Urban Medium Voltage Distribution Network system
CN203205717U (en) Compact 220kV outdoor GIS power distribution equipment
CN215119560U (en) Single-pin joint-frame wire inlet and outlet structure of 110kV power distribution device
CN207459403U (en) A kind of vertical wire outlet structure of compact 330kV substations GIS
CN103354319A (en) 220kV outdoor GIS double-dragonfly-type outlet wire arrangement structure
CN210685558U (en) Double-loop cross-shaped cross-lapping structure on four loops on same tower
CN210888265U (en) Open loop tower
CN203774631U (en) High-voltage distribution device with dual circuit breakers in single bus sectionalizing mode
CN204258114U (en) A kind of 500kV substation equipment arrangement
CN207282908U (en) The 500kV power distribution equipments arranged using half c-type
CN103354320B (en) A kind of 110 kilovolts of outdoor GIS double-dragonfly-typoutlet outlet wire arrangement structure
CN206685862U (en) A kind of mobile holder device for constructing tunnel illumination
CN206290067U (en) A kind of 220 kilovolts of four-loop steel towers
CN206992496U (en) A kind of transformer station's general electric arrangement structure
CN111827771A (en) Branch tower for four-loop overhead transmission line
CN203103880U (en) Wire suspension T-shaped connection structure

Legal Events

Date Code Title Description
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

CP01 Change in the name or title of a patent holder