CN107386771B - A kind of 110kV overhead transmission line front and back cable type double back steel pipe rod-type terminal tower - Google Patents
A kind of 110kV overhead transmission line front and back cable type double back steel pipe rod-type terminal tower Download PDFInfo
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- CN107386771B CN107386771B CN201710733041.5A CN201710733041A CN107386771B CN 107386771 B CN107386771 B CN 107386771B CN 201710733041 A CN201710733041 A CN 201710733041A CN 107386771 B CN107386771 B CN 107386771B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 128
- 239000012212 insulator Substances 0.000 claims description 13
- 239000012211 strain insulator Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses cable type double back steel pipe rod-type terminal towers before and after a kind of 110kV overhead transmission line, including tower body, preceding open-wire loop, rear open-wire loop, arrester, cable, cable termination；The tower body be successively arranged from the top down lightning conducter cross-arm, middle phase conductor jumper string cross-arm, middle phase conductor cross-arm, while phase conductor cross-arm, the fixed cross-arm of middle phase cable, while phase end fixed cross-arm, the fixed cross-arm of side phase cable；The preceding open-wire loop, rear open-wire loop are twice independently operated circuits, and preceding open-wire loop, rear open-wire loop all include lightning conducter, middle phase conductor, side phase conductor；Preceding open-wire loop, rear open-wire loop pass through strain insulator-string respectively and are mounted on corresponding cross-arm, on the basis of tower body is mounted on.Preceding open-wire loop, rear open-wire loop are separately mounted on the corresponding cross-arm of same Ji Ta by the present invention, are only newly found a Ji Ta, are only newly done a tower foundation, are reduced investment, are reduced land area；And tower body and basis are terminal type design, ensure that the reliability service of route.
Description
Technical field
The present invention relates to cable type double backs before and after the technical field of transmission line of electricity more particularly to a kind of 110kV overhead transmission line
Steel pipe rod-type terminal tower.
Background technique
According to the planning requirement of national grid, to meet a certain block supply demand, newly-built two circuit overhead transmission lines are needed,
Incoming power is provided for substation, and the region only has 110kV single loop overhead transmission line, is unable to satisfy the electricity of twice overhead transmission lines
Source power supply.To solve this problem as newly found 110kV double back umbellate form steel pipe rod-type cable termination tower, from each next telegram in reply in the two sides of tower
Cable road can make the straight line suspension string skew of shaft tower before and after former route, largely reduce the height of conducting wire over the ground, threaten line
Road operational reliability；As newly found single time cable termination tower of two bases, then need newly to found two Ji Ta, project amount is larger and in building
It has difficulties with the tower position of two neighbours of dense population areas simultaneous selection.
Summary of the invention
In order to solve the above problems existing in the present technology, the purpose of the present invention is using before a kind of 110kV overhead transmission line
Preceding open-wire loop, rear open-wire loop are separately mounted to same Ji Ta's by cable type double back steel pipe rod-type terminal tower afterwards, the present invention
On corresponding cross-arm, a Ji Ta is only newly found, a tower foundation is only newly done, reduce investment, reduced land area, ensure that route
Reliability service.
The present invention solves the technical solution that prior art problem proposes:
Cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line, including tower body, preceding open-wire loop, after
Open-wire loop, arrester, cable, cable termination, the tower body are successively arranged lightning conducter cross-arm, middle phase conductor wire jumper from the top down
Go here and there cross-arm, middle phase conductor cross-arm, while phase conductor cross-arm, the fixed cross-arm of middle phase cable, while phase cable termination fixed cross-arm, Bian Xiang electricity
Cable fixes cross-arm；The preceding open-wire loop, rear open-wire loop are twice independently operated circuits；Preceding open-wire loop is maked somebody a mere figurehead afterwards
Circuit all includes lightning conducter, middle phase conductor, side phase conductor, and the arrester includes middle phase arrester, side phase arrester, the electricity
Cable includes middle phase cable, side phase cable, and the cable termination includes middle phase cable termination, side phase cable termination；In the tower body
Upper top be equipped with lightning conducter cross-arm, the lightning conducter is mounted on the both ends of lightning conducter cross-arm；On the tower body, it is located at lightning-arrest
The lower section of line cross-arm is equipped with middle phase conductor jumper string cross-arm, and the middle phase arrester hangs on the one of middle phase conductor jumper string cross-arm
End；The middle phase conductor cross-arm is located at the lower section of middle phase conductor jumper string cross-arm, is mounted on tower body, the middle phase conductor installation
At the both ends of the middle phase conductor cross-arm；Side phase conductor cross-arm is located at the lower section of the middle phase conductor cross-arm, is mounted on tower body,
It is described while phase conductor, while phase arrester, middle phase cable termination be separately mounted to the both ends of side phase conductor cross-arm；Middle phase cable is fixed
Cross-arm is located at the lower section of the side phase conductor cross-arm, is mounted on tower body, and it is solid that the middle phase cable is fixed on the middle phase cable
Determine the both ends of cross-arm；Phase cable termination fixed cross-arm in side is located at the lower section of the fixed cross-arm of the middle phase cable, is mounted on tower body,
The both ends of the fixed cross-arm of phase cable termination when phase cable termination is mounted on described；The phase when the fixed cross-arm of phase cable is located at described
The lower section of the fixed cross-arm of cable termination, is mounted on tower body, the both ends of the fixed cross-arm of phase cable when phase cable is mounted on.
The lightning conducter is mounted on the both ends of arrester cross-arm by strain insulator-string；In the middle phase conductor jumper string cross-arm
One end is equipped with one group of pendency jumper string, and the other end is equipped with middle phase arrester hanging plate, and middle phase arrester is kept away by the middle phase
Thunder device hanging plate hangs on the lower section of middle phase conductor jumper string cross-arm；It is exhausted that the both ends of the middle phase conductor cross-arm are respectively provided with one group of strain insulator
Edge substring one, middle phase conductor are mounted on the both ends of middle phase conductor cross-arm by strain insulator string one.
The side phase conductor cross-arm is equipped with cross-arm one, cross-arm two, and the cross-arm one is mounted on the two of side phase conductor cross-arm
End, the cross-arm two are set between cross-arm one and tower body, close to the side of cross-arm one, are equipped with one at the both ends of the cross-arm one
Group strain insulator string two, is additionally provided with three cross arm insulators, the cross arm insulator water with one upright position of cross-arm
Flat to be mounted on cross-arm one at equal intervals, the both ends of the cross-arm two are equipped with side phase arrester hanging plate, go back on the cross-arm two
Equipped with middle phase cable termination mounting plate, middle phase cable termination mounting plate be located at while phase arrester hanging plate and while phase conductor cross-arm between
By the side of near side (ns) phase arrester hanging plate, when phase conductor is mounted on through strain insulator string two on phase conductor cross-arm, it is described in
Phase cable termination mounting plate is used for Pendent edge phase arrester for phase cable termination in installing, the side phase arrester hanging plate.
The fixed cross-arm of middle phase cable is unilateral cross-arm, and the fixed cross-arm of middle phase cable is equipped with middle phase cable and fixes
Fixture mounting base, the middle phase fastening clip for cable tool mounting base are used to install the fixture of phase cable in fixed；The side phase cable
The both ends of the fixed cross-arm of terminal are equipped with side phase cable termination mounting plate, and the side phase cable termination mounting plate is for installing Bian Xiang electricity
Cable terminal；Phase fastening clip for cable has mounting base, the fastening clip for cable tool when both ends in the fixed cross-arm of phase cable are equipped with
Mounting base is used to install the fixture of fixed edge phase cable.
The middle phase conductor with connect in phase arrester, middle phase cable termination copper sheet connect, middle phase cable pass through in phase
After the fixed cross-arm of cable is fixed, buried cable facility is introduced along tower body；It is whole in phase conductor and phase arrester, side phase cable when connecting
The copper sheet at end connects, while phase cable by while the fixed cross-arm of phase cable it is fixed after, introduce buried cable facility along tower body.
The drainage thread of the middle phase conductor of the preceding open-wire loop is jumped by being set to the pendency at middle phase conductor jumper string cross-arm
Line string is connect with the middle phase conductor of rear open-wire loop, realizes the middle phase conductor temporary electrical connection of preceding open-wire loop, rear open-wire loop
Network；After three cross arm insulators of the two sides installation of phase conductor cross-arm are fixed when the drainage thread in phase conductor passes through, realize
The temporary electrical contact of preceding open-wire loop side phase conductor corresponding with rear open-wire loop.
The single time frame that the preceding open-wire loop and rear open-wire loop are all made of lightning conducter, middle phase conductor, side phase conductor
Ceases to be busy road；And there is scheduled gap between preceding open-wire loop and the live part of rear open-wire loop.
The tower body and basis are all terminal type designs, and basis uses pile foundation pattern.
Beneficial effects of the present invention
1, preceding open-wire loop, rear open-wire loop are separately mounted on the corresponding cross-arm of same Ji Ta, only newly found a Ji Ta, only
A tower foundation newly is done, reduces investment, reduce occupied area and do not influence the straight line suspension string of shaft tower before and after former route
Swing angle, while the height of former conducting wire over the ground will not be reduced.
2, the drainage thread of the middle phase conductor of preceding open-wire loop passes through the pendency wire jumper at middle phase conductor jumper string cross-arm
String is connect with the middle phase conductor of rear open-wire loop, realizes the middle phase conductor temporary electrical contact of preceding open-wire loop, rear open-wire loop；
It is aerial before realizing after when the drainage thread of phase conductor passes through, three cross arm insulators of the two sides installation of phase conductor cross-arm are fixed
The temporary electrical of circuit side phase conductor corresponding with rear open-wire loop is got in touch with, and is removed when condition has solid by pendency jumper string
The middle phase conductor drainage thread that is scheduled at middle phase conductor wire jumper and by cross arm insulator be fixed on while phase conductor cross-arm both ends while
Phase conductor drainage thread makes preceding open-wire loop, the operation completely independent from one another of rear open-wire loop.
3, the tower body and basis are all terminal type designs, and basis uses pile foundation pattern, ensure that the reliable fortune of route
Row.
Detailed description of the invention
Fig. 1 is forward sight structural schematic diagram of the invention；
Fig. 2 is the left view of Fig. 1 of the present invention；
Fig. 3 is the partial view of Fig. 1 of the present invention；
Fig. 4 is the partial view of Fig. 1 of the present invention；
Fig. 5 is the partial view of Fig. 1 of the present invention；
Fig. 6 is the partial view of Fig. 1 of the present invention.
1- tower body in figure, 2- lightning conducter cross-arm, 21- lightning conducter, phase conductor jumper string cross-arm in 3-, 31- dangle jumper string,
Phase arrester hanging plate in 32-, phase arrester in 33-, phase conductor cross-arm in 4-, the side 5- phase conductor cross-arm, phase cable is whole in 51-
It holds, the side 52- phase arrester, 53- cross-arm one, 531- cross arm insulator, 54- cross-arm two, the side 541- phase arrester hanging plate, in 542-
Phase cable termination mounting plate, the fixed cross-arm of phase cable in 6-, phase fastening clip for cable has mounting base, the side 7- phase cable termination in 61-
Fixed cross-arm, the side 71- phase cable termination, the side 72- phase cable termination mounting plate, the fixed cross-arm of the side 8- phase cable, the side 81- phase cable
Stationary fixture mounting base, phase conductor in 9-, the side 10- phase conductor, phase cable in 11-, the side 12- phase cable, 13- strain insulator string
One, 14- strain insulator string two.
Specific embodiment
For a better understanding of the present invention, embodiments of the present invention are explained in detail with reference to the accompanying drawing.
As shown in Figures 1 to 6, cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line, including tower body
1, preceding open-wire loop, rear open-wire loop, arrester, cable, cable termination, the tower body are successively arranged lightning conducter cross from the top down
Load 2, middle phase conductor jumper string cross-arm 3, middle phase conductor cross-arm 4, side phase conductor cross-arm 5, middle phase cable fixed cross-arm 6, Bian Xiang electricity
Cable terminal fixes the fixed cross-arm 8 of cross-arm 7, side phase cable；The preceding open-wire loop, rear open-wire loop are independently operated twice
Circuit；Preceding open-wire loop, rear open-wire loop all include two lightning conducters 21, middle phase conductor 9, side phase conductor 10, the arrester
Including two middle phase arresters, 33, four side phase arresters 52, the cable includes two middle phase cables, 11, four side phase cables
12, the cable termination includes two middle phase cable terminations, 51, four side phase cable terminations 71.
The lightning conducter cross-arm 2 is mounted on the upper top of tower body 1, and the lightning conducter 21 is mounted on arrester by strain insulator-string
The both ends of cross-arm 2；The middle phase conductor jumper string cross-arm 3 is located at the lower section of the lightning conducter cross-arm 2, is mounted on tower body 1,
One group of pendency jumper string 31, the middle phase conductor jumper string cross-arm 3 are installed in one end of the middle phase conductor jumper string cross-arm 3
The other end be equipped with middle phase arrester hanging plate 32, the middle phase arrester 33 hangs on middle phase by middle phase arrester hanging plate 32 and leads
The lower section of line jumper string cross-arm 3；The middle phase conductor cross-arm 4 is set to the adjacent underneath of the middle phase conductor jumper string cross-arm 3, peace
On tower body 1, one group of strain insulator string 1 is respectively provided at the both ends of the middle phase conductor cross-arm 4, and middle phase conductor 9 is through resistance to
Insulator chain 1 is opened to be mounted on middle phase conductor cross-arm 4.
The side phase conductor cross-arm 5 is located at the lower section of the middle phase conductor cross-arm 4, is mounted on tower body 1, the side is mutually led
Line cross-arm 5 is equipped with cross-arm 1, cross-arm 2 54, and the cross-arm 1 is mounted on the both ends of side phase conductor cross-arm 5, the cross-arm
2 54 are set between cross-arm 1 and tower body 1, close to the side of cross-arm 1, are respectively provided with one group at the both ends of the cross-arm 1
Strain insulator string 2 14 is additionally provided with three cross arm insulators 531, the cross-arm insulation with one 53 upright position of cross-arm
Son 531 is horizontal to be equidistantly mounted on cross-arm 1, and the both ends of the cross-arm 2 54 are equipped with side phase arrester hanging plate 541, institute
It states and is additionally provided with middle phase cable termination mounting plate 542 on cross-arm 2 54, middle phase cable termination mounting plate 542 is located at side phase arrester extension
The side of near side (ns) phase arrester hanging plate 541 is leaned between plate 541 and side phase conductor cross-arm 5, side phase conductor 10 is through strain insulator string
2 14 are mounted on side phase conductor cross-arm 5, and the middle phase cable termination mounting plate 542 is for phase cable termination 51 in installing, institute
Side phase arrester hanging plate 541 is stated for Pendent edge phase arrester 52.
The fixed cross-arm 6 of middle phase cable is mounted on tower set on the lower section of the side phase conductor cross-arm 5 for unilateral cross-arm
On body 1, the fixed cross-arm 6 of middle phase cable is equipped with middle phase fastening clip for cable and has mounting base 61, the middle phase fastening clip for cable
Tool mounting base 61 is used to install the fixture of phase cable 11 in fixed；The fixed cross-arm 7 of the side phase cable termination is set to middle phase cable
The lower section of fixed cross-arm 6, is installed on tower body 1, and phase cable is whole when the both ends in the fixed cross-arm 7 of phase cable termination are equipped with
Hold mounting plate 72, the phase cable termination 71 when phase cable termination mounting plate 72 is used to install；The side phase cable is fixed horizontal
Load 8 is set to the lower section of the fixed cross-arm 7 of the side phase cable termination, is installed on tower body 1, the fixed cross-arm 8 of the side phase cable
Both ends are equipped with side phase fastening clip for cable and have mounting base 81, and the fastening clip for cable tool mounting base 81 is for installing fixed edge phase cable
12 fixture.
The middle phase conductor 9 with connect in phase arrester 33, middle phase cable termination 51 copper sheet connect, middle phase cable 11 passes through
After crossing the fixation fixation of cross-arm 6 of phase cable, buried cable facility is introduced along tower body 1；In phase conductor 10 and phase arrester when connecting
52, the copper sheet connection of side phase cable termination 71, while phase cable 12 by while the fixed cross-arm 8 of phase cable it is fixed after, draw along tower body 1
Enter buried cable facility.
The drainage thread of the middle phase conductor 9 of the preceding open-wire loop passes through the pendency at middle phase conductor jumper string cross-arm 3
Jumper string 31 is connect with the middle phase conductor of rear open-wire loop, realizes that preceding open-wire loop, the middle phase conductor of rear open-wire loop are temporarily electric
Gas contact；Three cross arm insulators 531 of the two sides installation of phase conductor cross-arm 5 when the drainage thread in phase conductor 10 passes through
After fixation, the temporary electrical contact of preceding open-wire loop side phase conductor corresponding with rear open-wire loop is realized, when condition has
Drawn by 9 drainage thread of middle phase conductor of phase conductor jumper string cross-arm 3 in removing and the while phase conductor 10 at 5 both ends of phase conductor cross-arm
Streamline makes preceding open-wire loop, the operation completely independent from one another of rear open-wire loop.
The preceding open-wire loop and rear open-wire loop are all made of lightning conducter 21, middle phase conductor 9, side phase conductor 10
Single time overhead transmission line；And there is scheduled gap between preceding open-wire loop and the live part of rear open-wire loop, ensure that route
Reliability service.
The tower body 1 and basis are all terminal type designs, and basis uses pile foundation pattern, reduces investment, reduces sign
Ground area, it is simple and easy.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to invention, not to the scope of the present invention
Limitation, based on the technical solutions of the present invention, those skilled in the art do not need to make the creative labor and can make
Various modifications or changes still within protection scope of the present invention.
Claims (7)
1. cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line, characterized in that including tower body, preceding aerial
Circuit, rear open-wire loop, arrester, cable, cable termination, the tower body are successively arranged lightning conducter cross-arm, middle phase from the top down
Conducting wire jumper string cross-arm, middle phase conductor cross-arm, while phase conductor cross-arm, the fixed cross-arm of middle phase cable, while phase cable termination it is fixed horizontal
The fixed cross-arm of load, side phase cable；The preceding open-wire loop, rear open-wire loop are twice independently operated circuits；Side arm backlash
Road, rear open-wire loop all include lightning conducter, middle phase conductor, side phase conductor, and the arrester includes that middle phase arrester, side are mutually taken shelter from the thunder
Device, the cable include middle phase cable, side phase cable, and the cable termination includes middle phase cable termination, side phase cable termination；?
The upper top of the tower body is equipped with lightning conducter cross-arm, and the lightning conducter is mounted on the both ends of arrester cross-arm；On the tower body,
It is equipped with middle phase conductor jumper string cross-arm positioned at the lower section of lightning conducter cross-arm, the middle phase arrester hangs on middle phase conductor jumper string
One end of cross-arm；The middle phase conductor cross-arm is located at the lower section of middle phase conductor jumper string cross-arm, is mounted on tower body, the middle phase
Conducting wire is mounted on the both ends of the middle phase conductor cross-arm；Side phase conductor cross-arm is located at the lower section of the middle phase conductor cross-arm, installation
On tower body, it is described while phase conductor, while phase arrester, middle phase cable termination be separately mounted to the both ends of side phase conductor cross-arm；In
The fixed cross-arm of phase cable is located at the lower section of the side phase conductor cross-arm, is mounted on tower body, the middle phase cable is fixed on described
The both ends of the fixed cross-arm of middle phase cable；Phase cable termination fixed cross-arm in side is located at the lower section of the fixed cross-arm of the middle phase cable, peace
On tower body, the both ends of the fixed cross-arm of phase cable termination when phase cable termination is mounted on described；Side phase cable fixes cross-arm
It positioned at the lower section of the fixed cross-arm of the side phase cable termination, is mounted on tower body, when phase cable is mounted on, phase cable is fixed horizontal
The both ends of load；
The side phase conductor cross-arm is equipped with cross-arm one, cross-arm two, and the cross-arm one is mounted on the both ends of side phase conductor cross-arm, institute
State cross-arm two be set between cross-arm one and tower body, close to cross-arm one side, the both ends of the cross-arm one be respectively provided with one group it is resistance to
Insulator chain two is opened, is additionally provided with three cross arm insulators, described cross arm insulator level etc. with one upright position of cross-arm
Spacing is mounted on cross-arm one, and the both ends of the cross-arm two are equipped with side phase arrester hanging plate, is additionally provided on the cross-arm two
Middle phase cable termination mounting plate, middle phase cable termination mounting plate be located at while phase arrester hanging plate and while phase conductor cross-arm between it is close
The side of side phase arrester hanging plate, when phase conductor is mounted on through strain insulator string two on phase conductor cross-arm, the middle phase electricity
Cable terminations panels are used for Pendent edge phase arrester for phase cable termination in installing, the side phase arrester hanging plate.
2. cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line according to claim 1, special
Sign is that the lightning conducter is mounted on the both ends of arrester cross-arm by strain insulator-string；The one of the middle phase conductor jumper string cross-arm
End is equipped with one group of pendency jumper string, and the other end is equipped with middle phase arrester hanging plate, and middle phase arrester is lightning-arrest by the middle phase
Device hanging plate hangs on the lower section of middle phase conductor jumper string cross-arm；The both ends of the middle phase conductor cross-arm are respectively provided with one group of strain insulator insulation
Substring one, middle phase conductor are mounted on the both ends of middle phase conductor cross-arm by strain insulator string one.
3. cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line according to claim 1, special
Sign is that the fixed cross-arm of middle phase cable is unilateral cross-arm, and the fixed cross-arm of middle phase cable is equipped with middle phase fastening clip for cable
Has mounting base, the middle phase fastening clip for cable tool mounting base is used to install the fixture of phase cable in fixed；The side phase cable is whole
The both ends of fixed cross-arm are held to be equipped with side phase cable termination mounting plate, the phase cable when phase cable termination mounting plate is used to install
Terminal；Phase fastening clip for cable has mounting base, the fastening clip for cable tool peace when both ends in the fixed cross-arm of phase cable are equipped with
Dress seat is used to install the fixture of fixed edge phase cable.
4. cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line according to claim 1, special
Sign is, the middle phase conductor with connect in phase arrester, middle phase cable termination copper sheet connect, middle phase cable pass through in phase cable
After fixed cross-arm is fixed, buried cable facility is introduced along tower body；In phase conductor and phase arrester when connecting, side phase cable termination
Copper sheet connection, while phase cable by while the fixed cross-arm of phase cable it is fixed after, introduce buried cable facility along tower body.
5. cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line according to claim 1, special
Sign is that the drainage thread of the middle phase conductor of the preceding open-wire loop passes through the pendency jumper string at middle phase conductor jumper string cross-arm
It is connect with the middle phase conductor of rear open-wire loop, realizes the middle phase conductor temporary electrical contact of preceding open-wire loop, rear open-wire loop；Institute
After the three cross arm insulators fixation for stating the two sides installation of the phase conductor cross-arm when the drainage thread of phase conductor passes through, side arm is realized
The temporary electrical of the corresponding side phase conductor of backlash Lu Yuhou open-wire loop is got in touch with.
6. cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line according to claim 1, special
Sign is the single time overhead line that the preceding open-wire loop and rear open-wire loop are all made of lightning conducter, middle phase conductor, side phase conductor
Road；And there is scheduled gap between preceding open-wire loop and the live part of rear open-wire loop.
7. cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission line according to claim 1, special
Sign is that the tower body and basis are all terminal type designs, and basis uses pile foundation pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710733041.5A CN107386771B (en) | 2017-08-24 | 2017-08-24 | A kind of 110kV overhead transmission line front and back cable type double back steel pipe rod-type terminal tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710733041.5A CN107386771B (en) | 2017-08-24 | 2017-08-24 | A kind of 110kV overhead transmission line front and back cable type double back steel pipe rod-type terminal tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386771A CN107386771A (en) | 2017-11-24 |
| CN107386771B true CN107386771B (en) | 2019-07-12 |
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| CN201710733041.5A Active CN107386771B (en) | 2017-08-24 | 2017-08-24 | A kind of 110kV overhead transmission line front and back cable type double back steel pipe rod-type terminal tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116971658B (en) * | 2023-09-22 | 2024-02-23 | 国网山东省电力公司莱芜供电公司 | Double-return cable terminal pole tower for guiding and connecting multiple cables to upper pole tower and lower pole tower |
| CN117239657A (en) * | 2023-11-14 | 2023-12-15 | 中国电建集团河北省电力勘测设计研究院有限公司 | 220kV single-loop double-cable terminal tower mounting structure of offshore wind farm |
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| US8648254B2 (en) * | 2010-04-27 | 2014-02-11 | Michels Corporation | Device and method for stringing overhead cable |
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2017
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| CN104242208A (en) * | 2014-09-22 | 2014-12-24 | 国家电网公司 | Double-circuit cable terminal steel pipe pole for overhead transmission line |
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| CN205046917U (en) * | 2015-09-10 | 2016-02-24 | 安徽华电工程咨询设计有限公司 | Two return circuits unilateral cut -offs cable and draws tangent tower down |
| CN106555497A (en) * | 2016-09-26 | 2017-04-05 | 安徽华电工程咨询设计有限公司 | A kind of single time overhead transmission line cable T joint draws lower anchor support |
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| CN107386771A (en) | 2017-11-24 |
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