CN105207119A - Electrified span construction method for high-voltage wires and protective device of construction - Google Patents
Electrified span construction method for high-voltage wires and protective device of construction Download PDFInfo
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- CN105207119A CN105207119A CN201510579220.9A CN201510579220A CN105207119A CN 105207119 A CN105207119 A CN 105207119A CN 201510579220 A CN201510579220 A CN 201510579220A CN 105207119 A CN105207119 A CN 105207119A
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- assembly pulley
- head end
- conducting wires
- voltage conducting
- insulation
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Abstract
The invention discloses an electrified span construction method for high-voltage wires. The method includes the following specific steps that 1, an aerial constructor lifts a pulley block I at the head end and a pulley block II at the head end, and then climbs a ladder stand to the two intact high-voltage wires, and all pulley blocks I and pulley blocks II are sequentially hung onto the two intact high-voltage wires through pulleys located on the outer sides of the pulley blocks; 2, the tail end of an insulated hauling rope is tied on a temporary ground anchor by a ground constructor, the head end of the insulated hauling rope and the head end of an insulated digging rope are tied with balance weights respectively to be thrown over a crossed span object, the head end of the insulated hauling rope and the head end of the insulated digging rope are tied to temporary ground anchors, and the insulated hauling rope and the insulated digging rope are tightened and then inserted in the ground to be fixed through the temporary ground anchors; 3, an old high-voltage wire to be replaced is placed on the insulated hauling rope, then one end of the old high-voltage wire to be replaced is integrally connected with one end of a new high-voltage wire, the new high-voltage wire is dragged to the other end from one end of the insulated hauling rope, and then the new high-voltage wire is mounted on a corresponding cross arm by one constructor.
Description
Technical field
The present invention relates to a kind of high-voltage conducting wires live across construction method and protector thereof.
Background technology
Along with developing rapidly of electric power system, bring many transmission line improvement projects, topmost when meeting customer charge, change high-voltage conducting wires.And when changing high-voltage conducting wires, relate to the problem of scissors crossing below many high-voltage conducting wires, such as: span transmission line, low-voltage distribution wire, highway, river, building construction etc. below high-voltage conducting wires.Before the construction of leap district restringing, need many manpowers to set up multiple crossing frame, cost is higher, complicated operation, the engineering time and interruption duration long.Particularly need when Midspan sag, highway to ask for instructions to relevant department in advance, need after approval to fulfil assignment at the appointed time, after instruction, the stand-by period is long, and affect the duration, the activity duration is short, and operating personnel's operational pressure is large, labour intensity is high.
Summary of the invention
The present invention is to solve the problems of the technologies described above, and provides a kind of and reduces construction cost, easy construction, a kind of high-voltage conducting wires live across construction method of shortening engineering time and interruption duration and protector thereof.
Technical solution of the present invention is:
A kind of high-voltage conducting wires live across construction method, its step is as follows:
1, two intact high-voltage conducting wires between the pre-replacement high-voltage conducting wires crossing over side, district set up cat ladder respectively, the assembly pulley I of head end and the assembly pulley II of head end is mentioned respectively by two aerial workmens, climb cat ladder respectively to two intact high-voltage conducting wires places, each assembly pulley I and assembly pulley II is hung on two intact high-voltage conducting wires by the pulley outside it respectively successively;
2, temporary ground anchor is built on leap opposite side ground, district, by the tail end tying-up temporary ground anchor of ground construction personnel by insulation pull rope, pull insulation pull rope head end and insulation stay cord that the assembly pulley I of head end and assembly pulley II is pulled upward to scissors crossing thing from high-voltage conducting wires again, by insulation pull rope head end and insulation stay cord head end respectively tying-up counterweight got rid of above scissors crossing thing, temporary ground anchor is built on leap opposite side ground, district, in insulation pull rope head end and insulation stay cord head end tying-up temporary ground anchor, and fix being inserted in ground by temporary ground anchor after insulation pull rope and the tension of insulation stay cord,
3, by the old high-voltage conducting wires of pre-replacement from cross-arm pull down be placed on insulation pull rope on, again old high-voltage conducting wires one end of pre-replacement and new high-voltage conducting wires one end are linked together, the high-voltage conducting wires other end of traction pre-replacement makes new high-voltage conducting wires be dragged to the other end from one end on insulation pull rope, then is arranged on corresponding cross-arm by new high-voltage conducting wires by workmen;
4, to dismantle the temporary ground anchor of insulation pull rope head end and insulation stay cord head end, and the counterweight of insulation pull rope and insulation stay cord head end was got rid of in the other direction above scissors crossing thing, assembly pulley I and assembly pulley II is all moved to aerial workmen position by ground construction personnel, and by aerial workmen assembly pulley I and assembly pulley II pulled down and throw away to ground, aerial workmen removes cat ladder, temporary ground anchor of dismantling at the ground that falls.
A protector for high-voltage conducting wires live across construction, comprises multiple assembly pulley I and assembly pulley II; Described assembly pulley I and assembly pulley II is made up of guide roller frame and two pulleys be arranged in guide roller frame, and be provided with opening between be located thereon on guide roller frame two pulleys, distance-detecting rope is connected between adjacent two assembly pulley I and adjacent two assembly pulley II, the assembly pulley I being positioned at head end is connected with insulation stay cord, this protector is also provided with insulation pull rope, described insulation pull rope is penetrated by the assembly pulley II of head end, the staggered pulley walked around inside assembly pulley I and assembly pulley II successively, and passed by the tail end of assembly pulley I or assembly pulley II.
The invention has the beneficial effects as follows: adopt assembly pulley I and assembly pulley II can the intact high-voltage conducting wires of between pre-replacement high-voltage conducting wires two slide arbitrarily, and protective frame effect is played after the staggered insulation pull rope walked around and the tension of insulation stay cord between each assembly pulley I and assembly pulley II, avoid the many cumbersome process setting up crossing frame in circuit scissors crossing place, it also avoid acrossing highway, high-speed railway, alive circuits etc. are important needs closed channel and circuit power-off, without the need to asking relevant department for instructions in advance, can be undertaken by construction plan, without the need to waiting for, great convenience is provided to power department construction operation, save the construction operation time, save many man power and materials simultaneously.This construction method is easy to workmen and grasps, easy and simple to handle, can construct in physical features circumstance complication location, overcomes because many physical features circumstance complications can not set up the construction difficult problem of crossing frame.
Accompanying drawing explanation
Fig. 1 is construction schematic diagram of the present invention;
Fig. 2 is the schematic diagram of high-voltage conducting wires live across construction protection device of the present invention;
Fig. 3 is the structural representation of Fig. 1 middle pulley group I and assembly pulley II;
In figure: 1-assembly pulley I, 2-assembly pulley II, 3-distance-detecting rope, 4-insulate stay cord, and 5-insulate pull rope, 6-high-voltage conducting wires, 7-cat ladder, 8-temporary ground anchor, 101-guide roller frame, 102-pulley.
Embodiment
As shown in the figure, a kind of high-voltage conducting wires live across construction method, its step is as follows:
1, adopt the protector of high-voltage conducting wires 6 live across construction, the protector of described high-voltage conducting wires 6 live across construction, comprises multiple assembly pulley I1 and assembly pulley II2, described assembly pulley I1 and assembly pulley II2 is made up of guide roller frame 101 and two pulleys 102 be arranged in guide roller frame 101, and be provided with opening between two pulleys 102 be located thereon on guide roller frame 101, distance-detecting rope 3 is connected between adjacent two assembly pulley I1 and adjacent two assembly pulley II2, the assembly pulley I1 being positioned at head end is connected with insulation stay cord 4, this protector is also provided with insulation pull rope 5, described insulation pull rope 5 is penetrated by the assembly pulley II2 of head end, the staggered pulley 102 walked around inside assembly pulley I1 and assembly pulley II2 successively, and passed by the tail end of assembly pulley I1 or assembly pulley II2,
2, two intact high-voltage conducting wires 6 between the pre-replacement high-voltage conducting wires 6 crossing over side, district set up cat ladder 7 respectively, the assembly pulley I1 of head end and the assembly pulley II2 of head end is mentioned respectively by two aerial workmens, climb intact high-voltage conducting wires 6 place of cat ladder 7 to two respectively, each assembly pulley I1 and assembly pulley II2 is hung on two intact high-voltage conducting wires 6 by the pulley 102 outside it respectively successively;
3, temporary ground anchor 8 is built on leap opposite side ground, district, by the tail end tying-up temporary ground anchor 8 of ground construction personnel by insulation pull rope 5, pull insulation pull rope 5 head end and insulation stay cord 4 that the assembly pulley I1 of head end and assembly pulley II2 is pulled upward to scissors crossing thing from high-voltage conducting wires 6 again, by insulation pull rope 5 head end and insulation stay cord 4 head end respectively tying-up counterweight got rid of above scissors crossing thing, temporary ground anchor 8 is built on leap opposite side ground, district, in insulation pull rope 5 head end and insulation stay cord 4 head end tying-up temporary ground anchor 8, and be inserted in ground by temporary ground anchor 8 after insulation pull rope 5 and insulation stay cord 4 being strained and fix,
4, by the old high-voltage conducting wires 6 of pre-replacement from cross-arm pull down be placed on insulation pull rope 5 on, again old high-voltage conducting wires 6 one end of pre-replacement and new high-voltage conducting wires 6 one end are linked together, high-voltage conducting wires 6 other end of traction pre-replacement makes new high-voltage conducting wires 6 be dragged to the other end from one end on insulation pull rope 5, then is arranged on corresponding cross-arm by new high-voltage conducting wires 6 by workmen;
5, to dismantle the temporary ground anchor 8 of insulation pull rope 5 head end and insulation stay cord 4 head end, and the counterweight of insulation pull rope 5 and insulation stay cord 4 head end was got rid of in the other direction above scissors crossing thing, assembly pulley I1 and assembly pulley II2 is all moved to aerial workmen position by ground construction personnel, and by aerial workmen assembly pulley I1 and assembly pulley II2 pulled down and throw away to ground, aerial workmen removes cat ladder 7, temporary ground anchor 8 of dismantling at the ground that falls.
Claims (2)
1. a high-voltage conducting wires live across construction method, is characterized in that, concrete steps are as follows:
1) two intact high-voltage conducting wires, between the pre-replacement high-voltage conducting wires crossing over side, district set up cat ladder respectively, the assembly pulley I of head end and the assembly pulley II of head end is mentioned respectively by two aerial workmens, climb cat ladder respectively to two intact high-voltage conducting wires places, each assembly pulley I and assembly pulley II is hung on two intact high-voltage conducting wires by the pulley outside it respectively successively;
2), temporary ground anchor is built on leap opposite side ground, district, by the tail end tying-up temporary ground anchor of ground construction personnel by insulation pull rope, pull insulation pull rope head end and insulation stay cord that the assembly pulley I of head end and assembly pulley II is pulled upward to scissors crossing thing from high-voltage conducting wires again, by insulation pull rope head end and insulation stay cord head end respectively tying-up counterweight got rid of above scissors crossing thing, temporary ground anchor is built on leap opposite side ground, district, in insulation pull rope head end and insulation stay cord head end tying-up temporary ground anchor, and fix being inserted in ground by temporary ground anchor after insulation pull rope and the tension of insulation stay cord,
3), by the old high-voltage conducting wires of pre-replacement from cross-arm pull down be placed on insulation pull rope on, again old high-voltage conducting wires one end of pre-replacement and new high-voltage conducting wires one end are linked together, the high-voltage conducting wires other end of traction pre-replacement makes new high-voltage conducting wires be dragged to the other end from one end on insulation pull rope, then is arranged on corresponding cross-arm by new high-voltage conducting wires by workmen;
4), to dismantle the temporary ground anchor of insulation pull rope head end and insulation stay cord head end, and the counterweight of insulation pull rope and insulation stay cord head end was got rid of in the other direction above scissors crossing thing, assembly pulley I and assembly pulley II is all moved to aerial workmen position by ground construction personnel, and by aerial workmen assembly pulley I and assembly pulley II pulled down and throw away to ground, aerial workmen removes cat ladder, temporary ground anchor of dismantling at the ground that falls.
2. a protector for high-voltage conducting wires live across construction, comprises multiple assembly pulley I and assembly pulley II; Described assembly pulley I and assembly pulley II is made up of guide roller frame and two pulleys be arranged in guide roller frame, and be provided with opening between be located thereon on guide roller frame two pulleys, distance-detecting rope is connected between adjacent two assembly pulley I and adjacent two assembly pulley II, the assembly pulley I being positioned at head end is connected with insulation stay cord, this protector is also provided with insulation pull rope, described insulation pull rope is penetrated by the assembly pulley II of head end, the staggered pulley walked around inside assembly pulley I and assembly pulley II successively, and passed by the tail end of assembly pulley I or assembly pulley II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579220.9A CN105207119B (en) | 2015-09-12 | 2015-09-12 | Electrified span construction method for high-voltage wires and protective device of construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579220.9A CN105207119B (en) | 2015-09-12 | 2015-09-12 | Electrified span construction method for high-voltage wires and protective device of construction |
Publications (2)
| Publication Number | Publication Date |
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| CN105207119A true CN105207119A (en) | 2015-12-30 |
| CN105207119B CN105207119B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510579220.9A Active CN105207119B (en) | 2015-09-12 | 2015-09-12 | Electrified span construction method for high-voltage wires and protective device of construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512123A (en) * | 2018-06-13 | 2018-09-07 | 贵州电网有限责任公司 | A kind of quick close-up device for ultra-high-tension power transmission line |
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| CN201315444Y (en) * | 2008-11-20 | 2009-09-23 | 四川电力送变电建设公司 | Suspended cable basket blocking net charged crossing support |
| CN201355751Y (en) * | 2009-01-23 | 2009-12-02 | 湖北省输变电工程公司 | Electrified spanning frame of insulated cable net |
| JP2011172448A (en) * | 2010-02-22 | 2011-09-01 | Chugoku Electric Power Co Inc:The | Device for preventing guide rope from dropping down, and method for stretching guide rope |
| CN203377546U (en) * | 2013-08-05 | 2014-01-01 | 国家电网公司 | High speed railway spanning construction apparatus |
| CN203722136U (en) * | 2014-03-01 | 2014-07-16 | 安徽送变电工程公司 | Insulation rope net apparatus for railway crossing tension stringing construction |
| CN204424793U (en) * | 2014-12-29 | 2015-06-24 | 国家电网公司 | A kind of block crossing frame of power circuit |
| CN204577983U (en) * | 2015-04-30 | 2015-08-19 | 国网山西省电力公司信息通信分公司 | A kind of coaster setting up leads span net |
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2015
- 2015-09-12 CN CN201510579220.9A patent/CN105207119B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201315444Y (en) * | 2008-11-20 | 2009-09-23 | 四川电力送变电建设公司 | Suspended cable basket blocking net charged crossing support |
| CN201355751Y (en) * | 2009-01-23 | 2009-12-02 | 湖北省输变电工程公司 | Electrified spanning frame of insulated cable net |
| JP2011172448A (en) * | 2010-02-22 | 2011-09-01 | Chugoku Electric Power Co Inc:The | Device for preventing guide rope from dropping down, and method for stretching guide rope |
| CN203377546U (en) * | 2013-08-05 | 2014-01-01 | 国家电网公司 | High speed railway spanning construction apparatus |
| CN203722136U (en) * | 2014-03-01 | 2014-07-16 | 安徽送变电工程公司 | Insulation rope net apparatus for railway crossing tension stringing construction |
| CN204424793U (en) * | 2014-12-29 | 2015-06-24 | 国家电网公司 | A kind of block crossing frame of power circuit |
| CN204577983U (en) * | 2015-04-30 | 2015-08-19 | 国网山西省电力公司信息通信分公司 | A kind of coaster setting up leads span net |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512123A (en) * | 2018-06-13 | 2018-09-07 | 贵州电网有限责任公司 | A kind of quick close-up device for ultra-high-tension power transmission line |
| CN108512123B (en) * | 2018-06-13 | 2024-02-02 | 贵州电网有限责任公司 | Quick net sealing device for high-voltage transmission line |
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| Publication number | Publication date |
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| CN105207119B (en) | 2017-04-19 |
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Inventor after: Cui Jisheng Inventor after: Li Weimin Inventor after: Zhang Kai Inventor after: Wang Enxiang Inventor after: Zhang Jian Inventor after: Qi Nan Inventor before: Li Weimin Inventor before: Zhang Kai Inventor before: Wang Enxiang Inventor before: Zhang Jian Inventor before: Qi Nan |
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