CN207368624U - A kind of transposition tower - Google Patents
A kind of transposition tower Download PDFInfo
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- CN207368624U CN207368624U CN201721104568.3U CN201721104568U CN207368624U CN 207368624 U CN207368624 U CN 207368624U CN 201721104568 U CN201721104568 U CN 201721104568U CN 207368624 U CN207368624 U CN 207368624U
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- hanging point
- wire jumper
- wire
- transposition
- wire support
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Abstract
The utility model discloses a kind of transposition tower, belongs to transmission line of electricity field.The transposition tower includes：Tower body, left horizontal stretcher, right horizontal stretcher, left earth wire support, right earth wire support, wire jumper part.Wherein, left horizontal stretcher and right horizontal stretcher are symmetrical arranged, and connecting pin at the top of tower body respectively with being connected, and free end is both provided with preceding hanging point and rear hanging point, and preceding hanging point and rear hanging point are respectively used to be hung with front insulator string and rear insulator chain.Left earth wire support and right earth wire support are symmetrical arranged, and roof of the lower end respectively with left horizontal stretcher and right horizontal stretcher connecting pin is connected.Wire jumper part is arranged between left earth wire support and right earth wire support, for being electrically connected with the first wire jumper and the second wire jumper.Front and rear sides at the top of tower body is separately provided for preceding hanging point and the rear hanging point of suspension front insulator string and rear insulator chain.The transposition tower is with simple in structure, tower heavy and light, manufacture cost is low, easily and safely replaces to three-phase conducting wire, and suitable for the transposition of single loop transmission line of electricity.
Description
Technical field
Transmission line of electricity field is the utility model is related to, more particularly to a kind of transposition tower.
Background technology
In transmission line of electricity electricity transmission process, three-phase conducting wire produces capacitance over the ground respectively, and with the extension of transmission line of electricity,
The capacitor value of three-phase conducting wire is unequal, this will cause the transmission of electricity parameter of the three-phase conducting wire of acquisition unequal, or even causes zero sequence electric
Stream and negative-sequence current.Zero-sequence current and negative-sequence current easily cause circuit and motor to break down, and influence normal transmission, therefore
Need to ensure that the capacitor value of three-phase conducting wire is equal.The appearance of three-phase conducting wire can be ensured by being replaced by transposition tower to three-phase conducting wire
Anti- value is equal, therefore it is very necessary to provide a kind of transposition tower.
The prior art provides a kind of transposition tower, which includes：Tower body, tower head, earth wire support, left transposition wire jumper branch
Frame, right transposition wire jumper stent, left horizontal stretcher, right horizontal stretcher, middle cross-arm (middle transposition wire jumper stent).Wherein, the lower end of tower head and tower body
Upper end connection, earth wire support is horizontally fixed on the upper end of tower head, and the left and right sides of earth wire support is fixed left transposition and jumped respectively
Line bracket and right transposition wire jumper stent.Left horizontal stretcher and right horizontal stretcher are symmetrical arranged, and connecting pin is connected with the top of tower body respectively, from
It is both provided with by end for hanging front insulator string, the preceding hanging point of rear insulator chain and rear hanging point.Front and rear sides in the middle part of tower head
It is separately provided for preceding hanging point and the rear hanging point of suspension front insulator string and rear insulator chain.On one end and tower body of middle cross-arm
The front side connection at end.By front left phase conductor, rear left phase conductor the front insulator string with left horizontal stretcher free end, rear insulator respectively
Series winding connects；By front right phase conductor, rear right phase conductor, the front insulator string with right horizontal stretcher free end, rear insulator are contacted respectively
Connect；By preceding middle phase conductor, the front insulator string with tower head front and rear sides, rear insulator chain are connected rear middle phase conductor respectively.Use
First wire jumper is electrically connected with front left phase conductor, and is electrically connected around middle cross-arm with rear right phase conductor.Using the second wire jumper with before in
Phase conductor is electrically connected, and is electrically connected around left transposition wire jumper stent with rear left phase conductor.Use the 3rd wire jumper and front right phase conductor
It is electrically connected, and is electrically connected around right transposition wire jumper stent with rear middle phase conductor.Three-phase conducting wire is realized by above-mentioned connection mode
Transposition.
Designer has found that the prior art has at least the following problems：
The transposition tower that the prior art provides sets left transposition wire jumper stent, right transposition jumper wire rack, middle transposition jumper wire rack, makes to change
The construction of position tower is complicated, adds tower weight and manufacture cost.Also, it is necessary to wire jumper bypasses wire jumper stent when replacing, it is not easy to pair
Transposition tower overhauls.
Utility model content
In order to solve problem of the prior art, the utility model embodiment provides a kind of simple in structure, tower heavy and light, manufacture
Cost is low, transposition tower convenient to overhaul.The technical solution is as follows：
The utility model embodiment provides a kind of transposition tower, including：Tower body, left horizontal stretcher, right horizontal stretcher；
The left horizontal stretcher and the right horizontal stretcher are symmetrical arranged, and respectively with being connected at the top of the tower body, free end is equal for connecting pin
Preceding hanging point and rear hanging point are provided with, the preceding hanging point and the rear hanging point are respectively used to suspension front insulator string and rear insulator
String；
The transposition tower further includes：Left earth wire support, right earth wire support, wire jumper part；
The left earth wire support and the right earth wire support are symmetrical arranged, lower end respectively with the left horizontal stretcher and the right horizontal stroke
Carry on a shoulder pole the roof connection of connecting pin；
The wire jumper part is arranged between the left earth wire support and the right earth wire support, for the first wire jumper and
Two wire jumpers are electrically connected；
Front and rear sides at the top of the tower body is separately provided for the front hanging of suspension front insulator string and rear insulator chain
Point and rear hanging point.
Specifically, preferably, the spacing between the left earth wire support and the right earth wire support is gradual from top to bottom
Reduce.
Specifically, preferably, being respectively arranged with the outside of the free end of the left earth wire support and the right earth wire support
First left hanging point and the first right hanging point, are respectively used to connect left ground wire and right ground wire.
Specifically, preferably, being relatively set with second left side on the inside of the left earth wire support and the right earth wire support
Hanging point and the second right hanging point；
The left and right both ends of the wire jumper part are suspended on the described second left hanging point and the second right hanging point respectively.
Specifically, preferably, the wire jumper part includes：Left insulator chain connected in sequence, electrical connector, right insulator
String；
The left end of the left insulator chain is suspended on the described second left hanging point；
The right end of the right insulator chain is suspended on the described second right hanging point；
The electrical connector is used to be electrically connected with first wire jumper and second wire jumper.
Specifically, preferably, the electrical connector is conducting wire.
Specifically, preferably, using T words between the electrical connector and first wire jumper and second wire jumper
The mode of shape is electrically connected.
Specifically, preferably, the front insulator string and the rear insulator chain are strain insulator string.
Specifically, preferably, lower hanging point is both provided with the free end of the left horizontal stretcher and the right horizontal stretcher, for hanging
Hang lower insulator chain.
Specifically, preferably, the lower insulator chain is suspended insulator chain.
The beneficial effect brought of technical solution that the utility model embodiment provides is：
The transposition tower that the utility model embodiment provides, by setting wire jumper between left earth wire support and right earth wire support
Part, avoids the transposition for setting multiple wire jumper stents to realize three-phase conducting wire, simplifies the structure of transposition tower, alleviate tower weight, drop
Low manufacture cost, easy to later stage operating maintenance, and fully meets the first wire jumper during transposition, the second wire jumper, the 3rd wire jumper, the
The requirement of the electric clearance of four wire jumpers.By being arranged in pairs respectively at the top of left horizontal stretcher, the free end of right horizontal stretcher and tower body
Preceding hanging point and rear hanging point, in order to hang front insulator string and rear insulator chain, and then easy to its respectively with front left phase conductor, after
Left phase conductor, front right phase conductor, rear right phase conductor, preceding middle phase conductor, rear middle phase conductor connection, in order to which the later stage is to three-phase conducting wire
Transposition.By setting left earth wire support and right earth wire support, easy to be connected with ground wire, to play the role of thunder-lightning.As it can be seen that should
Transposition tower is with simple in structure, tower heavy and light, manufacture cost is low, easily and safely replaces to three-phase conducting wire, and suitable for single time
The transposition of road transmission line of electricity.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model
Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram for the transposition tower that the utility model embodiment provides.
Wherein, reference numeral represents respectively：
1 tower body,
2 left horizontal stretchers,
3 right horizontal stretchers,
4 left earth wire supports,
5 right earth wire supports,
6 wire jumper parts,
601 left insulator chains,
602 electrical connectors,
603 right insulator chains,
7a front insulator strings,
Insulator chain after 7b,
8 times insulator chains,
9 first wire jumpers,
10 second wire jumpers,
11 the 3rd wire jumpers,
12 the forth jump lines,
13a front left phase conductors,
13b rear left phase conductors,
14a front right phase conductors,
14b rear right phase conductors,
Middle phase conductor before 15a,
Middle phase conductor after 15b.
Embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The utility model embodiment provides a kind of transposition tower, and as shown in Figure 1, which includes：Tower body 1, Zuo Heng
Load 2, right horizontal stretcher 3, left earth wire support 4, right earth wire support 5, wire jumper part 6.Wherein, left horizontal stretcher 2 and right horizontal stretcher 3 are symmetrical arranged, even
Connect end to be connected with the top of tower body 1 respectively, free end is both provided with preceding hanging point and rear hanging point, and preceding hanging point and rear hanging point are respectively used to hang
Hang front insulator string 7a and rear insulator chain 7b.Left earth wire support 4 and right earth wire support 5 are symmetrical arranged, lower end respectively with left horizontal stroke
Load 2 is connected with the roof of 3 connecting pin of right horizontal stretcher.Wire jumper part 6 is arranged between left earth wire support 4 and right earth wire support 5, for
First wire jumper 9 and the second wire jumper 10 are electrically connected.The front and rear sides at the top of tower body 1 is separately provided for suspension front insulator string
The preceding hanging point and rear hanging point of 7a and rear insulator chain 7b.
In the utility model embodiment, for the ease of describing, when operating personnel face transposition tower, with transposition tower just
Face is " preceding ", and the back side of transposition tower is " rear ", and the left side and right side of transposition tower are respectively "left", "right", also, electric current is by front
It is delivered to rear.
The operation principle of the transposition tower provided below with regard to the utility model embodiment, which is given, to be described：
By front left phase conductor 13a, rear left phase conductor 13b respectively the front insulator string 7a with 2 free end of left horizontal stretcher, it is rear absolutely
The 7b connections of edge substring.By front right phase conductor 14a, rear right phase conductor 14b the front insulator string with 3 free end of right horizontal stretcher respectively
7a, rear insulator chain 7b connections.By preceding middle phase conductor 15a, rear middle phase conductor 15b respectively with hanging on the top of tower body 1 forward and backward two
The front insulator string 7a of side, rear insulator chain 7b connections.It is electrically connected using the first wire jumper 9 with front left phase conductor 13a and wire jumper part 6
Connect, be electrically connected using the second wire jumper 10 with wire jumper part 6 and rear right phase conductor 14b, so that the electric current transposition in front left phase conductor 13a
To rear right phase conductor 14b.It is electrically connected using the 3rd wire jumper 11 with preceding middle phase conductor 15a, rear left phase conductor 13b, so that preceding middle phase
Electric current in conducting wire 15a replaces to rear left phase conductor 13b.Use the forth jump line 12 and front right phase conductor 14a, rear middle phase conductor
15b is electrically connected, so that the electric current in front right phase conductor 14a replaces to rear middle phase conductor 15b.
It should be noted that the 3rd wire jumper 11 and the forth jump line 12 are located at the left and right sides of transposition tower, also, first respectively
9 and second wire jumper 10 of wire jumper is electrically connected with wire jumper part 6, easy to make the first wire jumper 9, the second wire jumper 10, the 3rd wire jumper the 11, the 4th
Wire jumper 12 fully meets the requirement of electric clearance.
The transposition tower that the utility model embodiment provides, is jumped by being set between left earth wire support 4 and right earth wire support 5
Line piece 6, avoids the transposition for setting multiple wire jumper stents to realize three-phase conducting wire, simplifies the structure of transposition tower, alleviate tower weight,
Manufacture cost is reduced, easy to later stage operating maintenance, and fully meets that the first wire jumper 9, the second wire jumper the 10, the 3rd are jumped during transposition
Line 11, the forth jump line 12 electric clearance requirement.By at 1 top part of left horizontal stretcher 2, the free end of right horizontal stretcher 3 and tower body
Preceding hanging point and rear hanging point are not arranged in pairs, in order to hang front insulator string 7a and rear insulator chain 7b, and then easy to its point
Not with front left phase conductor 13a, rear left phase conductor 13b, front right phase conductor 14a, rear right phase conductor 14b, preceding middle phase conductor 15a, after
Middle phase conductor 15b connections, in order to which the later stage replaces three-phase conducting wire.By setting left earth wire support 4 and right earth wire support 5, just
It is connected in ground wire, to play the role of thunder-lightning.As it can be seen that the transposition tower have simple in structure, tower heavy and light, manufacture cost it is low,
Easily and safely replace to three-phase conducting wire, and suitable for the transposition of single loop transmission line of electricity.
Specifically, as shown in Figure 1, the spacing between left earth wire support 4 and right earth wire support 5 from top to bottom gradually subtracts
It is small.
So set, on the premise of whole tower height is reduced, longer wire jumper part 6 can be set, in order to wire jumper
There are larger spacing between the first wire jumper 9 and the second wire jumper 10 that part 6 is electrically connected, and then meet electric clearance, ensure normal
Transposition.
The first left hanging point and the first right hanging point are respectively arranged with the outside of the free end of left earth wire support 4 and right earth wire support 5,
It is respectively used to connect left ground wire and right ground wire.
First left hanging point and the first right hanging point are set, it is convenient to connect left ground wire and right ground wire respectively, with efficiently pre- lightning protection
Electricity.
In order to ensure after wire jumper part 6 is electrically connected with the first wire jumper 9 and the second wire jumper 10, the first wire jumper 9 and the second wire jumper
10 electric clearance is met the requirements, and wire jumper part 6 is arranged horizontally between left earth wire support 4 and right earth wire support 5.Specifically
Ground, the inner side of left earth wire support 4 and right earth wire support 5 are relatively set with the second left hanging point and the second right hanging point；Wire jumper part 6
Left and right both ends are suspended on the second left hanging point and the second right hanging point respectively.
It is insulation connection between wire jumper part 6 and left earth wire support 4 and right earth wire support 5, with the first wire jumper 9 and the second wire jumper
It is electrical connection between 10.Wire jumper part 6 could be provided as various structures, on the premise of easy set, provide example in detail below：
As shown in Figure 1, wire jumper part 6 includes：Left insulator chain 601 connected in sequence, electrical connector 602, right insulator
String 603；The left end of left insulator chain 601 is suspended on the second left hanging point；The right end of right insulator chain 603 is suspended on the second right extension
Point on；Electrical connector 602 is used to be electrically connected with the first wire jumper 9 and the second wire jumper 10.
Wherein, electrical connector 602 could be provided as a variety of metal parts with conducting function, is mitigating tower weight, is meeting
On the premise of the requirement of the electric clearance of first wire jumper 9 and the second wire jumper 10, electrical connector 602 is conducting wire.Also, electrical connector
602 can select with the excellent steel wire for bearing load-carrying ability.
The mode being electrically connected between electrical connector 602 and the first wire jumper 9 and the second wire jumper 10 have it is a variety of, easy to first jump
Line 9, the second wire jumper 10 stably transmit electric current with electrical connector 602, are further ensured that the first wire jumper 9, the electricity of the second wire jumper 10
It is preferably electrically electric by the way of T-shaped between 602 and first wire jumper 9 of part and the second wire jumper 10 on the premise of gas gap
Connection.
T-shaped after i.e. the first wire jumper 9 and the second wire jumper 10 are connected with electrical connector 602, formation is T-shaped, can also
It is considered the first wire jumper 9 and the second wire jumper 10 is vertical with electrical connector 602 is electrically connected.
T-shaped electric connection mode is connection mode known in the art, its connection mode that details are not described herein.
Specifically, front insulator string 7a and rear insulator chain 7b is strain insulator string.
Front insulator string 7a, rear insulator chain 7b are disposed as strain insulator string, easy to bear the drawing of three-phase conducting wire
Power load.For the ease of stress equalization before and after transposition tower, the front insulator string 7a for connecting preceding phase conductor and rear phase conductor is used in
It is identical with the number, specification and connection mode (series, parallel mode) of rear insulator chain 7b.
In order to further ensure the electric clearance of the 3rd wire jumper 11, the forth jump line 12, and avoid in natural cause (such as
Wind-force) effect under, the 3rd wire jumper 11 and the forth jump line 12 rock, and lower extension is both provided with the free end of left horizontal stretcher 2 and right horizontal stretcher 3
Point, for hanging lower insulator chain 8, referring to attached drawing 1.
Using the 3rd wire jumper 11 and the forth jump line 12 respectively with preceding middle phase conductor 15a and rear left phase conductor 13b, front right phase
When conducting wire 14a is electrically connected with rear middle phase conductor 15b, make the 3rd wire jumper 11 and the forth jump line 12 and two lower insulator chains 8 respectively
Connection, to ensure normal transposition.
Specifically, lower insulator chain 8 is suspended insulator chain.
Suspended insulator chain is since gravity is in vertical state more, by the 3rd wire jumper 11, the forth jump line 12 with hanging
The lower end connection of formula of hanging down insulator chain, meets the requirements the 3rd wire jumper 11, the electric clearance of the forth jump line 12, to ensure transposition tower
Normally, safely replace.
In the utility model embodiment, front left phase conductor 13a and the first wire jumper 9, the second wire jumper 10 and rear right phase conductor
14b, the 3rd wire jumper 11 and preceding middle phase conductor 15a and rear left phase conductor 13b, the forth jump line 12 and front right phase conductor 14a and afterwards in
It is electrically connected between phase conductor 15b by the way of T-shaped.
So set, stably transmitted easy to electric current between conducting wire and wire jumper, also, by adjusting the T-shaped contact that is electrically connected
Position, can meet that the first wire jumper 9, the second wire jumper 10, the 3rd wire jumper 11, the electric clearance of the forth jump line 12 are met the requirements.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of transposition tower, including：Tower body (1), left horizontal stretcher (2), right horizontal stretcher (3)；
The left horizontal stretcher (2) and the right horizontal stretcher (3) are symmetrical arranged, and connecting pin at the top of the tower body (1) respectively with being connected, freely
End is both provided with preceding hanging point and rear hanging point, the preceding hanging point and it is described after hanging point be respectively used to suspension front insulator string (7a) and after
Insulator chain (7b)；
It is characterized in that, the transposition tower further includes：Left earth wire support (4), right earth wire support (5), wire jumper part (6)；
The left earth wire support (4) and the right earth wire support (5) are symmetrical arranged, lower end respectively with the left horizontal stretcher (2) and institute
State the roof connection of right horizontal stretcher (3) connecting pin；
The wire jumper part (6) is arranged between the left earth wire support (4) and the right earth wire support (5), for being jumped with first
Line (9) and the second wire jumper (10) are electrically connected；
Front and rear sides at the top of the tower body (1) is separately provided for suspension front insulator string (7a) and rear insulator chain
The preceding hanging point and rear hanging point of (7b).
2. transposition tower according to claim 1, it is characterised in that the left earth wire support (4) and the right earth wire support
(5) spacing between is from top to bottom gradually reduced.
3. transposition tower according to claim 1, it is characterised in that the left earth wire support (4) and the right earth wire support
(5) the first left hanging point and the first right hanging point are respectively arranged with the outside of free end, is respectively used to connect left ground wire and right ground wire.
4. transposition tower according to claim 1, it is characterised in that the left earth wire support (4) and the right earth wire support
(5) the second left hanging point and the second right hanging point are relatively set with the inside of；
The left and right both ends of the wire jumper part (6) are suspended on the described second left hanging point and the second right hanging point respectively.
5. transposition tower according to claim 4, it is characterised in that the wire jumper part (6) includes：Left insulation connected in sequence
Substring (601), electrical connector (602), right insulator chain (603)；
The left end of the left insulator chain (601) is suspended on the described second left hanging point；
The right end of the right insulator chain (603) is suspended on the described second right hanging point；
The electrical connector (602) is used to be electrically connected with first wire jumper (9) and second wire jumper (10).
6. transposition tower according to claim 5, it is characterised in that the electrical connector (602) is conducting wire.
7. transposition tower according to claim 6, it is characterised in that the electrical connector (602) and first wire jumper (9)
It is electrically connected between second wire jumper (10) by the way of T-shaped.
8. transposition tower according to claim 1, it is characterised in that the front insulator string (7a) and the rear insulator chain
(7b) is strain insulator string.
9. transposition tower according to claim 1, it is characterised in that the freedom of the left horizontal stretcher (2) and the right horizontal stretcher (3)
Lower hanging point is both provided with end, for hanging lower insulator chain (8).
10. transposition tower according to claim 9, it is characterised in that the lower insulator chain (8) is hanging type insulator
String.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721104568.3U CN207368624U (en) | 2017-08-31 | 2017-08-31 | A kind of transposition tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721104568.3U CN207368624U (en) | 2017-08-31 | 2017-08-31 | A kind of transposition tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368624U true CN207368624U (en) | 2018-05-15 |
Family
ID=62351048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721104568.3U Active CN207368624U (en) | 2017-08-31 | 2017-08-31 | A kind of transposition tower |
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| Country | Link |
|---|---|
| CN (1) | CN207368624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284747A (en) * | 2019-08-13 | 2019-09-27 | 中国电建集团贵州电力设计研究院有限公司 | A kind of single loop transposition tower and interchanging method |
-
2017
- 2017-08-31 CN CN201721104568.3U patent/CN207368624U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284747A (en) * | 2019-08-13 | 2019-09-27 | 中国电建集团贵州电力设计研究院有限公司 | A kind of single loop transposition tower and interchanging method |
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