CN101814707A - Tool for live replacement of 220kV line 'V' string insulator and method - Google Patents

Tool for live replacement of 220kV line 'V' string insulator and method Download PDF

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Publication number
CN101814707A
CN101814707A CN200910218365A CN200910218365A CN101814707A CN 101814707 A CN101814707 A CN 101814707A CN 200910218365 A CN200910218365 A CN 200910218365A CN 200910218365 A CN200910218365 A CN 200910218365A CN 101814707 A CN101814707 A CN 101814707A
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China
Prior art keywords
insulator string
yoke plate
type yoke
thread
arm
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Application number
CN200910218365A
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Chinese (zh)
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CN101814707B (en
Inventor
李仁杰
李建云
黄修乾
史良池
杨学全
张灿昆
赖炬强
杨军
苏沛轩
熊西林
杨文波
肖鹏飞
张玉春
张建飞
杨晋
赵向东
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Dali Power Supply Bureau Of Yunnan Power Grid Corp
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Dali Power Supply Bureau Of Yunnan Power Grid Corp
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Priority to CN2009102183650A priority Critical patent/CN101814707B/en
Publication of CN101814707A publication Critical patent/CN101814707A/en
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Abstract

The invention relates to a tool for the live replacement of 220kV line 'V' string insulators and a method. The tool comprises a supporting bearing component and a V-shaped yoke plate component; the bearing component comprises two identical longitudinal first insulation drawing plates, a first tightening screw rod longitudinally connected to the top end of the first insulation drawing plates, and a double-split hanging hook connected to the bottom end of the first insulation drawing plates, wherein the first tightening screw rod is respectively symmetrically sheathed with two first angle iron fixtures, and a horizontal double-ended screw rod with a screw rod at each end is connected between the two first angle iron fixtures. The V-shaped yoke plate component comprises a longitudinal second insulation drawing plate, a second tightening screw rod longitudinally connected to the top end of the second insulation drawing plates, and a V-shaped yoke plate fixture connected to the bottom end of the second insulation drawing plate, wherein the two lower ends of the V-shaped yoke plate are respectively provided with an upward hook, and the second tightening screw rod is sheathed with a second angle iron fixture. The tool used for disassembling or assembling insulator strings has simple operation, safety, reliability and high working efficiency, and is capable of lowering labor intensity for operators.

Description

A kind of instrument and method of charged for replacement 220kV circuit V insulator string
Technical field
The present invention relates to electric power transmission line live line working technical field, relate generally to a kind of instrument and method of charged for replacement insulator string.
Background technology
For the narrow circuit corridor of reasonable use; use " V " insulator string through regular meeting; " V " insulator string can limit the insulator string angle of oscillation to greatest extent, reduces the width in tower head size and circuit corridor simultaneously, thereby has reduced the cost of construction, operation and maintenance greatly.Because the insulator long-time running in the field, is subjected to the influence of various factors, the deterioration of insulator, damage are unavoidably.In order to guarantee the power supply reliability of 220kV transmission line, must change the insulator of deterioration, damage.And the 220kV transmission line is important passway for transmitting electricity, will produce greatly influence to operation of power networks and supply of electrical energy if the mode that adopt to have a power failure is changed insulator, even can not realize, selects the mode of live line working to change just to become inevitable.Prior art is when charged for replacement 220kV circuit " V " insulator string, employed instrument is the comparatively complicated combination tool of structure, its operation sequence trouble, operation complexity, operating personnel's labour intensity is big, and at the insulator string of different model and length, the applicable surface of every kind of combination tool is less.In addition, the insulator string of newly changing can't recover to put in place usually, can produce angular deflection, influences the fail safe and the reliability of circuit operation.
Summary of the invention
It is a kind of when charged for replacement 220kV circuit " V " insulator string that purpose of the present invention provides for the deficiency that solves the prior art existence just, and the dismounting insulator string is simple to operate, safe and reliable, operating efficiency is high, can reduce operating personnel's labour intensity and be applicable to different model and the instrument of the insulator string of length.The present invention also provides the method for using this tool belt charged renewal 220kV circuit " V " insulator string.
The objective of the invention is to be achieved through the following technical solutions.
The instrument of a kind of charged for replacement 220kV circuit " V " insulator string, this instrument comprise matching used load-carrying member and V-type yoke plate member; Described load-carrying member comprise identical two longitudinally the first insulation arm-tie, longitudinally be connected in first thread-tightening lead screw on two first insulation arm-tie tops and be connected in two division line hanging hooks of the first insulation arm-tie bottom respectively, symmetry is set with the first angle steel jig respectively on two first thread-tightening lead screws, is connected with the horizontal double end screw mandrel that two is screw mandrel between two first angle steel jigs of symmetry; Described V-type yoke plate member comprise one longitudinally the second insulation arm-tie, longitudinally be connected in second thread-tightening lead screw on the second insulation arm-tie top and be connected in the V-type yoke plate jig of the second insulation arm-tie bottom, two following ears of V-type yoke plate jig have grab upwards respectively, are set with the second angle steel jig on second thread-tightening lead screw.
The method of a kind of charged for replacement 220kV circuit " V " insulator string, method step is as follows:
1. load-carrying member and V-type yoke plate member are hung on electric power tower successively, load-carrying member and V-type yoke plate member are fixed on the iron tower by the first angle steel jig and the second angle steel jig respectively, V-type yoke plate member is between two first insulation arm-ties of load-carrying member, two leads up and down of transmission line are hung on two division line hanging hooks, live the both sides, steel angle of " V " insulator string with two grabs difference grabs of V-type yoke plate jig;
2. screw the double end screw mandrel, screw two first thread-tightening lead screws simultaneously, the tension force of insulator string is transferred on the load-carrying member, be relaxed state to insulator string;
3. screw second thread-tightening lead screw of V-type yoke plate member, strengthen a steel insulator pin angle and bowl space of head;
4. take out insulator string by first connecting pin of lead side, free being connected of insulator string and lead; Take out insulator string again by second connecting pin of cross-arm side, free being connected of insulator string and cross-arm; With the insulation rope insulator string is applied to ground;
5. hang on new insulator string, recover connecting of new insulator string and lead, recover being connected of new insulator string and cross-arm with second connecting pin with first connecting pin;
6. unscrew second thread-tightening lead screw, first thread-tightening lead screw and double end screw mandrel, load-carrying member and V-type yoke plate member are taken off from electric power tower, promptly finish the charged for replacement of 220kV circuit " V " insulator string.
Instrument of the present invention compared with prior art, simple in structure, highly versatile is applicable to the insulator string of different model and length, the dismounting insulator string is simple to operate.Utilize the operation of this tool belt charged renewal 220kV transmission line straight line " V " insulator string easy, safe, reliable, reduced operating personnel's labour intensity, improved operating efficiency.
Further set forth content of the present invention below in conjunction with Figure of description.
Description of drawings
Fig. 1 is the structural representation of load-carrying member of the present invention;
Fig. 2 is the structural representation of V-type yoke plate member of the present invention;
The schematic diagram that Fig. 3 is used in combination for kit (iron tower and insulator omit);
Kit was lifted on the schematic diagram on the iron tower when Fig. 4 was operation;
Fig. 5 is the I partial enlarged drawing of Fig. 4.
Embodiment
Instrument of the present invention comprises matching used load-carrying member and V-type yoke plate member.Load-carrying member comprise as shown in Figure 1 identical two longitudinally the first insulation arm-tie 4,4 ', respectively longitudinally be connected in first thread-tightening lead screw 1,1 on two first insulation arm-tie tops ' and be connected in two division line hanging hooks 5,5 of the first insulation arm-tie bottom ', two first thread-tightening lead screws 1,1 ' on respectively symmetry be set with the first angle steel jig 2,2 ', between two first angle steel jigs of symmetry, be connected with the horizontal double end screw mandrel 3 that two is screw mandrel.V-type yoke plate member comprise as shown in Figure 2 one longitudinally the second insulation arm-tie 8, longitudinally be connected in second thread-tightening lead screw 6 on the second insulation arm-tie top and be connected in the V-type yoke plate jig 9 of the second insulation arm-tie bottom, two following ears of V-type yoke plate jig have grab 9a, 9a ' upwards respectively, are set with the second angle steel jig 7 on second thread-tightening lead screw.
When utilizing load-carrying member and V-type yoke plate component composition charged for replacement 220kV circuit " V " insulator string, step operation as follows:
1. load-carrying member and V-type yoke plate member are hung on electric power tower successively, with load-carrying member and V-type yoke plate member as shown in Figure 3, Figure 4 respectively by the first angle steel jig 2,2 ' and the second angle steel jig 7 be fixed on the iron tower 14, V-type yoke plate member two first of load-carrying member insulation arm-ties 4,4 ' between, with the two division line hanging hooks 5,5 of two leads 11,11 up and down of transmission line ' be hung in ' on, with two grab 9a of V-type yoke plate jig 9,9a ' difference grab 10 both sides, steel angle of " V " insulator string firmly;
2. shift load: screw double end screw mandrel 3, screw simultaneously two first thread-tightening lead screws 1,1 ', the tension force of insulator string is transferred on the load-carrying member, be relaxed state to insulator string;
3. screw second thread-tightening lead screw 6 of V-type yoke plate member, strengthen a steel insulator pin angle and bowl space of head;
4. on the tower electrician with action bars take out insulator string by first connecting pin 12,12 of lead side ', free being connected of insulator string and lead; The electrician cooperates with the ground electrician on the tower, take out insulator string by second connecting pin 13,13 of cross-arm side ', free being connected of insulator string and cross-arm; With the insulation rope insulator string is applied to ground;
5. hang on new insulator string, first connecting pin 12,12 on the plug-in mounting ' new insulator string of recovery connects with lead again, and plug-in mounting second connecting pin 13,13 ' new insulator string of recovery is connected with cross-arm;
6. unscrew second thread-tightening lead screw 6, first thread-tightening lead screw 1,1 ' and double end screw mandrel 3, load-carrying member and V-type yoke plate member are taken off from electric power tower, promptly finish the charged for replacement of 220kV circuit " V " insulator string.
First connecting pin 12,12 ' and second connecting pin 13,13 ' be general W pin of industry or R pin.
Instrument of the present invention and live line working method are adapted to all straight lines of 220kV " V " insulator string.

Claims (2)

1. the instrument of a charged for replacement 220kV circuit " V " insulator string is characterized in that, this instrument comprises matching used load-carrying member and V-type yoke plate member; Described load-carrying member comprise identical two longitudinally the first insulation arm-tie (4,4 '), longitudinally be connected in first thread-tightening lead screw (1,1 ') on two first insulation arm-tie tops and be connected in two line hanging hooks (5,5 ') that divide of the first insulation arm-tie bottom respectively, symmetry is set with the first angle steel jig (2,2 ') respectively on two first thread-tightening lead screws (1,1 '), is connected with the horizontal double end screw mandrel (3) that two is screw mandrel between two first angle steel jigs of symmetry; Described V-type yoke plate member comprise one longitudinally the second insulation arm-tie (8), longitudinally be connected in second thread-tightening lead screw (6) on the second insulation arm-tie top and be connected in the second V-type yoke plate jig (9) that insulate the arm-tie bottom, two following ears of V-type yoke plate jig (9) have grab (9a, 9a ') upwards respectively, are set with the second angle steel jig (7) on second thread-tightening lead screw.
2. method of utilizing the described tool belt charged renewal of claim 1 220kV circuit " V " insulator string is characterized in that method step is as follows:
1. load-carrying member and V-type yoke plate member are hung on electric power tower successively, load-carrying member and V-type yoke plate member are fixed on the iron tower by the first angle steel jig (2,2 ') and the second angle steel jig (7) respectively, V-type yoke plate member is positioned between the two first insulation arm-ties (4,4 ') of load-carrying member, two leads (11,11 ') up and down of transmission line are hung on two division line hanging hooks (5,5 '), live the both sides, steel angle (10) of " V " insulator string with two grabs (9a, 9a ') difference grab of V-type yoke plate jig (9);
2. screw double end screw mandrel (3), screw two first thread-tightening lead screws (1,1 ') simultaneously, the tension force of insulator string is transferred on the load-carrying member, be relaxed state to insulator string;
3. screw second thread-tightening lead screw (6) of V-type yoke plate member, strengthen a steel insulator pin angle and bowl space of head;
4. take out insulator string by first connecting pin (12,12 ') of lead side, free being connected of insulator string and lead; Take out insulator string again by second connecting pin (13,13 ') of cross-arm side, free being connected of insulator string and cross-arm; With the insulation rope insulator string is applied to ground;
5. hang on new insulator string, recover connecting of new insulator string and lead, with being connected of the new insulator string of second connecting pin (13,13 ') recovery and cross-arm with first connecting pin (12,12 ');
6. unscrew second thread-tightening lead screw (6), first thread-tightening lead screw (1,1 ') and double end screw mandrel (3), load-carrying member and V-type yoke plate member are taken off from electric power tower, promptly finish the charged for replacement of 220kV circuit " V " insulator string.
CN2009102183650A 2009-12-15 2009-12-15 Tool for live replacement of 220kV line 'V' string insulator and method Active CN101814707B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102183650A CN101814707B (en) 2009-12-15 2009-12-15 Tool for live replacement of 220kV line 'V' string insulator and method

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Application Number Priority Date Filing Date Title
CN2009102183650A CN101814707B (en) 2009-12-15 2009-12-15 Tool for live replacement of 220kV line 'V' string insulator and method

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CN101814707B CN101814707B (en) 2011-12-21

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104167687A (en) * 2014-07-18 2014-11-26 国网河南省电力公司漯河供电公司 Tool for live-line replacement of suspension insulator and using working method thereof
CN104600629A (en) * 2015-02-12 2015-05-06 中国南方电网有限责任公司超高压输电公司百色局 Compact-circuit six-bundled conductor linkage plate fixture and application thereof
CN106384964A (en) * 2015-07-30 2017-02-08 国网河南省电力公司平顶山供电公司 V-type insulator-chain electrified replacing operation method
CN104505769B (en) * 2014-12-16 2017-09-22 国家电网公司 A kind of earth potential working straight line pole bowl head assembly and disassembly methods
EP3196998A4 (en) * 2014-08-13 2018-03-14 State Grid Corporation of China Process for live replacement of tension hard-tube bus-bar jumper insulator of +/- 800kv ultra-high-voltage dc transmission line
CN109904785A (en) * 2019-02-28 2019-06-18 国网福建省电力有限公司 The line lifter and its working method of the double string composite insulators of electrified replacing linear

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2528134Y (en) * 2001-11-01 2002-12-25 固原供电局设备安装检修工程公司 Equipment for charged changing V-type insulator chain
CN2912029Y (en) * 2006-06-16 2007-06-13 冯海潮 Live replacing device for V-shape insulator string
CN101299519B (en) * 2008-03-06 2010-09-29 福建省厦门电业局 Hanging type insulator string electrification altering apparatus interlocked with a two-connection plate
CN201584701U (en) * 2009-12-15 2010-09-15 云南电网公司大理供电局 Tool for replacing 'V' string insulator of 220kV line in live state

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104167687A (en) * 2014-07-18 2014-11-26 国网河南省电力公司漯河供电公司 Tool for live-line replacement of suspension insulator and using working method thereof
CN104167687B (en) * 2014-07-18 2017-01-11 国网河南省电力公司漯河供电公司 Tool for live-line replacement of suspension insulator and using working method thereof
EP3196998A4 (en) * 2014-08-13 2018-03-14 State Grid Corporation of China Process for live replacement of tension hard-tube bus-bar jumper insulator of +/- 800kv ultra-high-voltage dc transmission line
CN104505769B (en) * 2014-12-16 2017-09-22 国家电网公司 A kind of earth potential working straight line pole bowl head assembly and disassembly methods
CN104600629A (en) * 2015-02-12 2015-05-06 中国南方电网有限责任公司超高压输电公司百色局 Compact-circuit six-bundled conductor linkage plate fixture and application thereof
CN106384964A (en) * 2015-07-30 2017-02-08 国网河南省电力公司平顶山供电公司 V-type insulator-chain electrified replacing operation method
CN109904785A (en) * 2019-02-28 2019-06-18 国网福建省电力有限公司 The line lifter and its working method of the double string composite insulators of electrified replacing linear

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