CN102005712B - Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line - Google Patents

Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line Download PDF

Info

Publication number
CN102005712B
CN102005712B CN 201010516570 CN201010516570A CN102005712B CN 102005712 B CN102005712 B CN 102005712B CN 201010516570 CN201010516570 CN 201010516570 CN 201010516570 A CN201010516570 A CN 201010516570A CN 102005712 B CN102005712 B CN 102005712B
Authority
CN
China
Prior art keywords
wire
arm
cross
jumper
tower
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
CN 201010516570
Other languages
Chinese (zh)
Other versions
CN102005712A (en
Inventor
朱普轩
朱跃
安维忠
曾嵘
孙强
贺建国
李永祥
张波
黄宗君
朱琨
刘生奎
魏巍
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.)
GANSU PROV ELECTRIC POWER DESIGN INST
Tsinghua University
Northwest China Grid Co Ltd
Original Assignee
GANSU PROV ELECTRIC POWER DESIGN INST
Tsinghua University
Northwest China Grid Co Ltd
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 GANSU PROV ELECTRIC POWER DESIGN INST, Tsinghua University, Northwest China Grid Co Ltd filed Critical GANSU PROV ELECTRIC POWER DESIGN INST
Priority to CN 201010516570 priority Critical patent/CN102005712B/en
Publication of CN102005712A publication Critical patent/CN102005712A/en
Application granted granted Critical
Publication of CN102005712B publication Critical patent/CN102005712B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Electric Cable Installation (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The invention discloses a strain corner tower with a horizontal winding and jumping wire jumper for a two-loop compact power transmission line, which comprises an iron tower head, a tower body, a ground wire cross arm, upper, middle and lower lead cross arms, synthesized insulator hardware fitting strings and an auxiliary cross arm, wherein a group of ground wires are suspended on each of the two sides of the ground wire cross arm respectively, a ground wire auxiliary cross arm is fixedly arranged on each of the two ends of the ground wire cross arm, and the two ends of each ground wire cross arm are fixedly connected with the upper end of a set of synthesized insulator hardware fitting string; and the upper lead cross arm, the middle lead cross arm and the lower lead cross arm are arranged below the ground wire cross arm on the tower head from the top to the bottom, two phase leads are suspended on the two ends of each of upper, middle and lower lead cross arms respectively, all phase lead jumpers wind and jump towards the outside of the iron tower, the auxiliary cross arm is positioned below the lower lead cross arm, and the lower end of each set of synthesized insulator hardware fitting string is fixedly connected with the auxiliary cross arm. The strain corner tower has a compact structure, the weight and the engineering cost of the iron tower are reduced by about 30 percent in comparison with the currently used conventional iron tower, and the strain corner tower has high lightning protection performance and is widely used.

Description

The double-loop compact transmission line wire jumper is the strained angled tower that horizontal winding is jumped
Technical field the present invention relates to the power transmission and distribution project field, belongs to iron towers of overhead power transmission lines, relates in particular to a kind ofly to exchange same-tower same-window double-loop compact transmission line to adopt a kind of wire jumper be the strained angled tower that horizontal winding is jumped.
Background technology is present, and it is more and more serious that China's high pressure, superhigh pressure, UHV Overhead Transmission Line corridor take up an area problem, and especially in the developed area, the corridor resource problem is more outstanding.In many local locations, it is very crowded that power transmission line corridor has seemed.The new circuit of power transmission mode construction has become very difficult routinely.How further to compress the circuit width of corridor, save limited land resources, further improve the circuit transmission capacity in the unit corridor, it is crowded to solve the circuit corridor, newly-built circuit is difficult to the conspicuous contradiction of cabling, has become a very urgent and important task of China's high pressure, superhigh pressure, the construction of ultra high voltage AC and DC overhead transmission line.
In addition, six phase wire jumpers of the conventional double-circuit line strained angled tower of present stage all are lower to jumping, and the interfloor distance between the wire cross-arm of installing on the tower head is large, and wire cross-arm, ground wire cross-arm are very long, and the project cost of strained angled tower is high, investment is large.
Studies show that same-tower same-window double-loop compact transmission line self-support tangent tower can effectively address the above problem.Take the 750kV circuit as example, this self-support tangent tower will twoly return the 750kV circuit and combine within the same tower window, and two loop lines place respectively the circuit both sides all by vertical arrangement.The application number that the applicant declares is 200810239196.4 application for a patent for invention, a kind of common phase sequence common-tower common-window dual loop transmission line is disclosed, this power transmission mode, especially same phase sequence, compare with conventional double-circuit line: the one, the circuit corridor has obtained obvious compression.Press the circuit width of corridor of the maximum windage yaw control of wire, than the little 37.3m of conventional double-circuit line, the compression width of corridor is up to 40.1% with phase sequence for common-tower common-window; Be no more than the determined circuit width of corridor of 4kV/m by the ground power frequency electric field, than the little 21m of conventional double-circuit line, the compression width of corridor is also up to 36,9% with phase sequence for common-tower common-window.The 2nd, corona loss can save 11~15%.The 3rd, can also reduce construction investment and improve electromagnetic environment.Superiority is very outstanding.200810239196.4 application for a patent for invention disclosed be self-support tangent tower structure.
The summary of the invention the technical problem to be solved in the present invention is to provide that a kind of tower head transversary is compact, vertically (with the perpendicular direction in ground) compact conformation, project cost is low and lightning protection properties is good same-tower same-window double-loop compact transmission line wire jumper are the strained angled tower of horizontal winding jumping.This strained angled tower can be used in high pressure, superhigh pressure and the UHV transmission line in level land, hills and area, mountain region, and can hang simultaneously two wires that return.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions.
A kind of double-loop compact transmission line wire jumper is the strained angled tower that horizontal winding is jumped, and comprises the steel tower tower head, and body of the tower is positioned at the ground wire cross-arm at tower head top, upper, middle and lower wire cross-arm, synthetic insulator hardware string; It is characterized in that: it also comprises auxiliary cross-arm; The both sides of ground wire cross-arm hang respectively one group of ground wire, and the two ends of ground wire cross-arm are installed with the secondary cross-arm of ground wire, and the two ends and of the secondary cross-arm of each ground wire are combined into insulator hardware string upper end and are fixedly connected with; Ground wire cross-arm below is separately installed with upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm from top to bottom on the tower head, the both sides of upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm hang respectively a phase conductor, each phase conductor wire jumper is jumped to steel tower outside horizontal winding respectively, auxiliary cross-arm is positioned at lower wire cross-arm below, and the lower end that respectively is combined into the insulator hardware string is fixedly connected with auxiliary cross-arm.
The wire wire jumper of upper phase, middle phase, lower phase conductor is supporting respectively a corresponding jumper wire support body, the wire wire jumper of upper phase, middle phase, lower phase conductor is fixed in corresponding jumper wire support body, be that upper conductor wire jumper, middle wire wire jumper and lower wire wire jumper are individually fixed in jumper wire support body, middle jumper wire support body and lower jumper wire support body, the two ends of each jumper wire support body are fixedly connected with by the synthetic insulator hardware string.
Whenever being combined into the insulator hardware string is comprised of four sections synthetic insulator hardware strings that are positioned on the vertical line; First paragraph synthetic insulator hardware string upper end is fixedly connected on the secondary cross-arm of ground wire, and the lower end is fixedly connected on the jumper wire support body; Second segment synthetic insulator hardware string upper end is fixedly connected on the jumper wire support body, and the lower end is fixedly connected on middle jumper wire support body; The 3rd section synthetic insulator hardware string upper end is fixedly connected on middle jumper wire support body, and the lower end is fixedly connected on lower jumper wire support body; The 4th section synthetic insulator hardware string upper end is fixedly connected on lower jumper wire support body, and the lower end is fixedly connected on auxiliary cross-arm.
The present invention is used for the supporting application of self-support tangent tower with the common phase sequence common-tower common-window dual loop transmission line of 200810239196.4 application for a patent for invention.
The present invention has the following advantages:
1, the present invention jumps to steel tower outside horizontal winding respectively because of each phase conductor wire jumper, the tower head vertical structure is compact, the mutual distance of upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm is little, the interfloor distance that is each phase conductor of upper, middle and lower and wire wire jumper thereof is little, only be with about 2/3rds of vertical range between the conventional double-circuit line strained angled tower of the electric pressure three layer conductor cross-arms, namely can satisfy the specification requirement of high pressure, superhigh pressure, ultra high voltage AC and DC overhead transmission line.
2, the tower head transversary is very compact, and the length of upper conductor cross-arm, middle wire cross-arm and the lower wire cross-arm of installation three (six) phase conductors is all very short; Only be with about 1/3rd of electric pressure conventional line strained angled tower wire cross-arm; The ground wire cross-arm is also short, only is with about 2/3rds of the conventional double-circuit line strained angled tower of electric pressure ground wire cross-arm.
3, the six phase wire jumpers on the present invention two (two) loop line road all be level outwards around jumping, from six phase wire jumpers of conventional double-circuit line strained angled tower all by lower entirely different around finishing.Because six phase wire jumpers of conventional double-circuit line strained angled tower all by lower around jumping, cause its wire cross-arm, ground wire cross-arm very long, the interfloor distance between the wire cross-arm is very large.
4, because horizontal stroke, the vertical structure of its tower head of the present invention are all very compact, and mechanical characteristic is very excellent, compares with conventional double-circuit line strained angled tower of the same type, steel tower weight will alleviate about 30 percent; Therefore, the engineering cost of single basic steel tower also will reduce about 30 percent; Economic benefit is fairly obvious.
5, because ground wire cross-arm of the present invention is longer than wire cross-arm, but lacked much than the ground wire cross-arm of conventional double-circuit line strained angled tower of the same type, realized horizontal winding is jumped easily the negative shielding angle of wire jumper.Therefore, the lightning protection properties of steel tower of the present invention is good.
6, the present invention has widely applicability; Not only level land, knob can be suitable for, and general mountain area and even high mountain high hill also can be suitable for.
Description of drawings Fig. 1 is front schematic view of the present invention,
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is the schematic top plan view of Fig. 1;
Fig. 4 is the A-A cross-sectional schematic of Fig. 1.
Among the figure: 1-steel tower tower head, 2-body of the tower, 3-upper conductor cross-arm, wire cross-arm among the 4-, 5-lower wire cross-arm, 6-ground wire cross-arm, the 7-ground wire, the secondary cross-arm of 8-ground wire, 9-synthetic insulator gold utensil hangs string, 91-first paragraph synthetic insulator hardware string, 92-second segment synthetic insulator hardware string, the 3rd section synthetic insulator hardware string of 93-, the 4th section synthetic insulator hardware string of 94-, the upper phase conductor of 10-, phase conductor among the 11-, phase conductor under the 12-, 13-upper conductor wire jumper, wire wire jumper among the 14-, 15-lower wire wire jumper, 16-assists cross-arm, 17-wire tension-resistant insulator hardware string, 18-jumper wire support body, the upper jumper wire support body of 181-, jumper wire support body among the 182-, jumper wire support body under the 183-.
Embodiment Fig. 1 with Figure 2 shows that the present invention is that the double-loop compact transmission line wire jumper is the strained angled tower that horizontal winding is jumped, comprise steel tower tower head 1, body of the tower 2, be positioned at the ground wire cross-arm 6 at steel tower tower head 1 top, upper conductor cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5, synthetic insulator hardware string 9; It also comprises auxiliary cross-arm 16; The both sides of ground wire cross-arm 6 hang respectively one group of ground wire 7, and referring to Fig. 3, the two ends of ground wire cross-arm 6 are installed with the secondary cross-arm 8 of ground wire, and totally four ends, the two ends of the secondary cross-arm 8 of each ground wire are combined into insulator hardware string 9 upper ends and are fixedly connected with one respectively; On the tower head 1, ground wire cross-arm 6 belows are separately installed with upper conductor cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 from top to bottom;
Upper conductor cross-arm 3, middle wire cross-arm 4 are identical with the length specification of lower wire cross-arm 5, the vertical range of interlayer equates, the length of ground wire cross-arm 6 is greater than the length of upper conductor cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5, greater than length according to the needs of ground wire shielding angle are determined;
Upper conductor cross-arm 3 both sides hang respectively phase conductor 10, phase conductor 11 during middle wire cross-arm 4 both sides hang respectively, and lower wire cross-arm 5 both sides hang respectively lower phase conductor 12, and referring to Fig. 4, the upper conductor wire jumper 13 of upper phase conductor 10 is jumped to steel tower outside horizontal winding respectively; Identical with the jumper of upper conductor wire jumper 13, the middle wire wire jumper 14 of middle phase conductor 11 and the lower wire wire jumper 15 of lower phase conductor 12 are also jumped to steel tower outside horizontal winding respectively; Each wire wire jumper that horizontal winding is jumped links to each other with the corresponding wire in both sides before and after the steel tower respectively, and auxiliary cross-arm 16 is positioned at lower wire cross-arm 5 belows, and four lower ends that are combined into insulator hardware string 9 are fixedly connected with auxiliary cross-arm 16.
The structure of auxiliary cross-arm 16 and structure and the identical (not shown) of specification of ground wire cross-arm 6, namely the two ends of auxiliary cross-arm 16 are installed with auxiliary secondary cross-arm; Totally four ends, the two ends of each auxiliary secondary cross-arm are combined into insulator hardware string 9 lower ends and are fixedly connected with one respectively.
As shown in Figure 4: the wire wire jumper of upper phase, middle phase, lower phase conductor is supporting respectively a corresponding jumper wire support body 18, and namely upper conductor wire jumper 13, middle wire wire jumper 14 and lower wire wire jumper 15 are supporting respectively upper jumper wire support body 181, middle jumper wire support body 182 and a lower jumper wire support body 183;
Upper conductor wire jumper 13, middle wire wire jumper 14 and lower wire wire jumper 15 are fixed in corresponding jumper wire support body 18, be that upper conductor wire jumper 13, middle wire wire jumper 1 are individually fixed in jumper wire support body 181, middle jumper wire support body 182 and lower jumper wire support body 183 with lower wire wire jumper 15, the two ends of each jumper wire support body 18 are fixedly connected with by synthetic insulator hardware string 9.
Upper conductor cross-arm 3, before middle wire cross-arm 4 and the lower wire cross-arm 5, wire tension-resistant insulator hardware string 17 fixedly is equipped with respectively in rear both sides, the other end of wire tension-resistant insulator hardware string 17 is connected with corresponding wire wire jumper by connecting gold utensil, the other end that namely is installed on the wire tension-resistant insulator hardware string 17 of upper conductor cross-arm 3 is connected with upper conductor wire jumper 13 by connecting gold utensil, the other end that is installed on the wire tension-resistant insulator hardware string 17 of middle wire cross-arm 4 is connected with middle wire wire jumper 14 by connecting gold utensil, and the other end that is installed on the wire tension-resistant insulator hardware string 17 of lower wire cross-arm 5 is connected with lower wire wire jumper 15 by connecting gold utensil; Referring to Fig. 1 and Fig. 2: whenever be combined into insulator hardware string 9 and formed by four sections synthetic insulator hardware strings that are positioned on the vertical line; First paragraph synthetic insulator hardware string 91 upper ends are fixedly connected on the secondary cross-arm 8 of ground wire, and the lower end is fixedly connected on jumper wire support body 181; Second segment synthetic insulator hardware string 92 upper ends are fixedly connected on jumper wire support body 181, and the lower end is fixedly connected on middle jumper wire support body 182; The 3rd section synthetic insulator hardware string 93 upper ends are fixedly connected on middle jumper wire support body 182, and the lower end is fixedly connected on lower jumper wire support body 183; The 4th section synthetic insulator hardware string 94 upper ends are fixedly connected on lower jumper wire support body 183, and the lower end is fixedly connected on auxiliary cross-arm 16.

Claims (6)

1. a double-loop compact transmission line wire jumper is the angle tower that horizontal winding is jumped, and comprises the steel tower tower head, and body of the tower is positioned at the ground wire cross-arm at steel tower tower head top, upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm, synthetic insulator hardware string; It is characterized in that: it also comprises auxiliary cross-arm (16); The both sides of described ground wire cross-arm (6) hang respectively one group of ground wire (7), the two ends of described ground wire cross-arm (6) are installed with the secondary cross-arm (8) of ground wire, and the two ends of each secondary cross-arm of described ground wire (8) are fixedly connected with one group of described synthetic insulator hardware string (9) upper end respectively; On the described tower head (1), described ground wire cross-arm (6) below is separately installed with described upper conductor cross-arm (3) from top to bottom, described middle wire cross-arm (4) and described lower wire cross-arm (5), described upper conductor cross-arm (3) both sides hang respectively phase conductor (10), phase conductor (11) during described middle wire cross-arm (4) both sides hang respectively, described lower wire cross-arm (5) both sides hang respectively lower phase conductor (12), the upper conductor wire jumper (13) of described upper phase conductor (10), the middle wire wire jumper (14) of described middle phase conductor (11) and the lower wire wire jumper (15) of described lower phase conductor (12) are jumped to steel tower outside horizontal winding respectively; Described auxiliary cross-arm (16) is positioned at described lower wire cross-arm (5) below, and the lower end of four groups of described synthetic insulator hardware strings (9) is fixedly connected with described auxiliary cross-arm (16);
Described upper conductor wire jumper (13), described middle wire wire jumper (14) and described lower wire wire jumper (15) are supporting respectively upper jumper wire support body (181), middle jumper wire support body (182) and a lower jumper wire support body (183); Described upper conductor wire jumper (13), described middle wire wire jumper (14) are individually fixed in described upper jumper wire support body (181), described middle jumper wire support body (182) and described lower jumper wire support body (183) with described lower wire wire jumper (15), and the two ends of each jumper wire support body are fixedly connected with by described synthetic insulator hardware string (9);
Every group of described synthetic insulator hardware string (9) is comprised of four sections synthetic insulator hardware strings that are positioned on the vertical line; First paragraph synthetic insulator hardware string (91) upper end is fixedly connected on the secondary cross-arm (8) of described ground wire, and the lower end is fixedly connected on described upper jumper wire support body (181); Second segment synthetic insulator hardware string (92) upper end is fixedly connected on described upper jumper wire support body (181), and the lower end is fixedly connected on described middle jumper wire support body (182); The 3rd section synthetic insulator hardware string (93) upper end is fixedly connected on described middle jumper wire support body (182), and the lower end is fixedly connected on lower jumper wire support body (183); The 4th section synthetic insulator hardware string (94) upper end is fixedly connected on described lower jumper wire support body (183), and the lower end is fixedly connected on described auxiliary cross-arm (16).
2. a kind of double-loop compact transmission line wire jumper according to claim 1 is the angle tower that horizontal winding is jumped, it is characterized in that: described upper conductor cross-arm (3), before described middle wire cross-arm (4) and the described lower wire cross-arm (5), wire tension-resistant insulator hardware string (17) fixedly is equipped with respectively in rear both sides, the other end that is installed on the described wire tension-resistant insulator hardware string (17) of described upper conductor cross-arm (3) is connected with described upper conductor wire jumper (13) by connecting gold utensil, the other end that is installed on the described wire tension-resistant insulator hardware string (17) of described middle wire cross-arm (4) is connected with described middle wire wire jumper (14) by connecting gold utensil, and the other end that is installed on the described wire tension-resistant insulator hardware string (17) of described lower wire cross-arm (5) is connected with described lower wire wire jumper (15) by connecting gold utensil.
3. a kind of double-loop compact transmission line wire jumper according to claim 1 is the angle tower that horizontal winding is jumped, it is characterized in that: described upper conductor cross-arm (3), described middle wire cross-arm (4) are identical with the specification length of described lower wire cross-arm (5), and the vertical range of interlayer equates.
4. a kind of double-loop compact transmission line wire jumper according to claim 1 is the angle tower that horizontal winding is jumped, and it is characterized in that: the length of described ground wire cross-arm (6) is greater than the length of described upper conductor cross-arm (3), described middle wire cross-arm (4) and described lower wire cross-arm (5).
5. be the angle tower of horizontal winding jumping to the described a kind of double-loop compact transmission line wire jumper of 4 any one according to claim 1, it is characterized in that: the structure of described auxiliary cross-arm (16) and specification are identical with structure and the specification of described ground wire cross-arm (6); The two ends of described auxiliary cross-arm (16) are installed with auxiliary secondary cross-arm; The two ends of each described auxiliary secondary cross-arm are fixedly connected with one group of described synthetic insulator hardware string (9) lower end respectively.
6. a kind of double-loop compact transmission line wire jumper according to claim 5 is the angle tower that horizontal winding is jumped, and it is characterized in that: described ground wire (7) hangs on the two ends of described ground wire cross-arm (6).
CN 201010516570 2010-10-20 2010-10-20 Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line Active CN102005712B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010516570 CN102005712B (en) 2010-10-20 2010-10-20 Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010516570 CN102005712B (en) 2010-10-20 2010-10-20 Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line

Publications (2)

Publication Number Publication Date
CN102005712A CN102005712A (en) 2011-04-06
CN102005712B true CN102005712B (en) 2013-03-13

Family

ID=43812865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010516570 Active CN102005712B (en) 2010-10-20 2010-10-20 Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line

Country Status (1)

Country Link
CN (1) CN102005712B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296864B (en) * 2011-05-31 2013-06-05 国网电力科学研究院 Novel tower for extra-high voltage dual-circuit compact transmission
CN203531484U (en) * 2013-10-25 2014-04-09 江苏智达高压电气有限公司 Line-dropping-prevention compact type composite tower
CN106555498A (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 cut-offs and draws lower angle tower
CN110374389A (en) * 2019-07-05 2019-10-25 江苏神马电力股份有限公司 A kind of angle tower
CN110390156A (en) * 2019-07-16 2019-10-29 浙江大学 The acquisition methods of transmission line of electricity pulsation wind-excited responese under mountain environment
CN113363921B (en) * 2021-06-07 2022-10-28 国核电力规划设计研究院有限公司 Connecting structure and connecting method for single-side pi connection of same-tower multi-circuit overhead transmission line

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101672124A (en) * 2009-09-25 2010-03-17 国网电力科学研究院 Compound material pole tower
CN101692545A (en) * 2009-09-08 2010-04-07 国网电力科学研究院 Vertically grounding down-leading method for internal side of composite material tower and tower thereof
CN201507141U (en) * 2009-09-27 2010-06-16 国网电力科学研究院 Composite insulating pole tower for power transmission line
CN201821070U (en) * 2010-10-20 2011-05-04 甘肃省电力设计院 Double-circuit compact type angle tower with horizontally-wound and jumped jumper wire of transmission wire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101692545A (en) * 2009-09-08 2010-04-07 国网电力科学研究院 Vertically grounding down-leading method for internal side of composite material tower and tower thereof
CN101672124A (en) * 2009-09-25 2010-03-17 国网电力科学研究院 Compound material pole tower
CN201507141U (en) * 2009-09-27 2010-06-16 国网电力科学研究院 Composite insulating pole tower for power transmission line
CN201821070U (en) * 2010-10-20 2011-05-04 甘肃省电力设计院 Double-circuit compact type angle tower with horizontally-wound and jumped jumper wire of transmission wire

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈建忠等.750kV输电线路耐张塔刚性跳线的研究开发.《电力建设》.2006,(第10期),第19-22页. *

Also Published As

Publication number Publication date
CN102005712A (en) 2011-04-06

Similar Documents

Publication Publication Date Title
CN102005712B (en) Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line
CN105298201B (en) Transmission line cable termination solid draws lower device
CN201821070U (en) Double-circuit compact type angle tower with horizontally-wound and jumped jumper wire of transmission wire
CN101442197A (en) Configuration structure for homo-tower dual-loop compact transmission line insulator equalizing ring
CN201515191U (en) Multi-bundle aluminium tube type rigid jumper wire used for UHV transmission line
CN202167811U (en) Arrangement structure of rigid jumper asymmetrical V-shaped insulator strings of transmission line
CN201953131U (en) 220kV one-tower double-loop straight corner penetrating tower
CN201635465U (en) Extra-high voltage electric transmission line terminal high tower
CN105155907A (en) Strain tower
CN201297055Y (en) Strain angle tower in the shape of Chinese character 'Gan' with shared-tower and three-circuit transmission line
CN202441100U (en) One-tower four-loop power transmission line type tangent tower
CN204754412U (en) Same terminal pole of two telegram in reply cables at present of unilateral cross arm
CN201332249Y (en) Tangent tower in shape of goblet of same-tower and three-circuit transmission line
CN100577974C (en) Two-tower double-circuit compact linear power transmission iron tower
CN103259234B (en) Electric transmission line rigid jumper asymmetric V-shaped insulator chain setting structure
CN204928052U (en) Rod -type vertical arrangement compact transmission line
CN217028323U (en) Double-loop transposition tower
CN101699574A (en) Insulator equalizing ring configuration structure of same-tower same-window double-loop compact transmission line
CN202094568U (en) Alternating current extra-high voltage co-tower double-loop long-spanning aluminium tube type rigid jumper
CN206189987U (en) Cup -shaped tangent tower of transmission line
CN201074416Y (en) Multi-loop compact pylon
CN107386771A (en) Cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission lines
CN103046794B (en) Ultrahigh-voltage direct current crank arm tangent tower
CN102817489A (en) Double-tower-window double-loop linear tower
CN110374390A (en) A kind of 500 kilovolts of " non-" font conversion anchor supports for being arranged vertically double-loop compact

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant