CN102136693B - Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail - Google Patents
Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail Download PDFInfo
- Publication number
- CN102136693B CN102136693B CN 201010609060 CN201010609060A CN102136693B CN 102136693 B CN102136693 B CN 102136693B CN 201010609060 CN201010609060 CN 201010609060 CN 201010609060 A CN201010609060 A CN 201010609060A CN 102136693 B CN102136693 B CN 102136693B
- Authority
- CN
- China
- Prior art keywords
- guide rail
- wire
- rope
- hanging basket
- 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
Links
Images
Abstract
The invention discloses a method and a device for realizing long-distance equal electric potential access of a winch hanging basket guide rail. The method comprises the following steps of: connecting one end of an insulated guide rail rope with the upper cross arm of the guide rail; arranging the other end out of a 45-degree angle of a tower pole through a wire grip in the direction along a line and connecting the other end with an angle iron peg below an operation phase lead wire projection point; tightening the wire grip to stress the insulated guide rail rope; making the insulated guide rail rope cross over a lead wire of the operation phase at the lead wire out of a wire clamp; connecting an insulated guide rail pulley with a hanging basket; installing the insulated guide rail rope and the hanging basket on the insulated guide rail rope; lifting the hanging basket at a constant speed along the insulated guide rail by drawing an insulated traction rope by using a motorized winch; and feeding or withdrawing an operator in or out of the lead wire. By using the method and the device, the operator can conduct circuit live equivalent potential access operation in 500-kV compact single-circuit and double-circuit towers, cat-head towers, small window pole towers and other towers where the long-distance electric potential access is required because the gaps of tower window are too small to carry out direct equivalent potential access. The method and the device are suitable for live-wire operation of lines such as the 500-kV compact single-circuit or double-circuit towers, the cat-head towers, the small tower window pole towers and the other towers with compact space, and ensure the requirement on electrically charged repair of a transmission line.
Description
One, technical field
The present invention relates to the operational method of the charged repairing of a kind of ultra-high-tension power transmission line, particularly a kind of realization strand mill hanging basket guide rail distant place turnover equipotential method and device thereof.
Two, background technology
Adopt 500 kilovolts of circuit compact transmission technology, more traditional circuit improves ability to transmit electricity 35.34%, every kilometer accounts for less and send 27.4 mu in electric corridor, can reduce in a large number forest felling, young crops reparations and housing demolition amount, have the advantages such as transmission capacity is large, electric corridor is sent in saving, economic and social benefit is remarkable.In recent years, this technology had obtained applying at south electric network, successively had wide four times Luopings, 500 kilovolts of skies---Baise section circuit, Luoping---Baise two times, the southern regions of the Yunnan Province to send engineering outside, executed virtuous line etc. and adopted this technology.Wherein execute virtuous line according to geology and geomorphology along the line, electric power corridor condition etc., more than 90 kilometers in common-tower double-return circuit is used in design as far as possible, has effectively saved resource, has reduced loss, has protected environment.
Live line working is to reduce interruption duration, improves the important means of equipment availability coefficient.500 kilovolts of compact lists return, compact Compact Type Double Circuit Transmission Line three-phase conducting wire is arranged in the same tower window, and the insulator string fitting assembly is complicated, and the space is narrower; Phase conductor is arranged in the compact trourelle window in the cat-head transmission tower trourelle window shaft tower, the equipotential method of use climbing insulated flexible ladder, hard ladder, seizing routine such as skewer method can't satisfy that personal and earth electrode and electrified body should keep is not less than 4 meters combinational gap distance, need develop new operational method, with realize that 500kV compact list returns, compact common-tower double-return circuit and cat-head transmission tower trourelle window shaft tower equal potential working.
Three, summary of the invention
The technical problem to be solved in the present invention is: a kind of realization strand mill hanging basket guide rail distant place turnover equipotential method and device thereof are provided, solve the difficult problem of the rush repair of transmission of electricity section, be fit to 500kV compact list and return or common-tower double-return circuit and the live line working of cat-head transmission tower trourelle window shaft tower, guarantee the needs of the charged repairing of transmission line.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of realization strand mill hanging basket guide rail distant place turnover equipotential method, and implementation step is as follows:
1.1 cross-arm on the wire of an end of insulating guide rail rope and operation phase is connected, the other end by wire grip be arranged in outside the shaft tower miter angle, fair line road direction, and the angle bar stake below operation phase conductor subpoint connects, tighten up wire grip and make the insulating guide rail rope stressed, and intersect with the wire of wire outside wire clamp of operation phase.
Coaster is connected with hanging basket 1.2 will insulate, and be installed on the described insulating guide rail rope, corner block by cross-arm on the wire, use motor-driven grinding mill traction insulation pull rope that hanging basket is at the uniform velocity promoted along the insulating guide rail rope, the operating personnel is sent or withdraws to wire, realize the operating personnel 500kV compact list return or the circuit of the tower window gap compactnesses such as common-tower double-return circuit and cat-head transmission tower trourelle window shaft tower on distant place turnover equipotential.
A kind of device of realizing twisting mill hanging basket guide rail distant place turnover equipotential method, the method is by using the insulating guide rail rope, the insulation pull rope, motor-driven grinding mill, wire grip, the angle bar stake, insulating guide rail coaster and hanging basket are assembled, one end of described insulating guide rail rope is connected with cross-arm on the wire of operation phase, the other end by wire grip be arranged in outside the shaft tower miter angle, fair line road direction, and the angle bar stake below operation phase conductor subpoint connects, tightening up wire grip makes the insulating guide rail rope stressed, and intersect with the wire of wire outside wire clamp of operation phase, the insulating guide rail coaster is connected with hanging basket, and be installed on the insulating guide rail rope, use motor-driven grinding mill traction insulation pull rope that hanging basket is at the uniform velocity promoted along the insulating guide rail rope, the operating personnel is sent or withdraws to wire, realize that 500kV compact list returns, compact common-tower double-return circuit and a cat-head transmission tower trourelle window shaft tower distant place enter current potential.
The technique effect that the present invention reaches:
1, the operating personnel is entering or is withdrawing from the equipotential process, uses the insulation protection rope, holds the protection system whole process protection of protecting coaster, insulation tower end protection tackle pulley to dress up by small slide, insulation ground, makes the operating personnel all the time at shielded safe condition.
2, use motor-driven grinding mill to enter or withdraw from power traction as the operating personnel, speed is even, and is safe and efficient;
3, the operating personnel takes hanging basket and enters or withdraw from equipotential, and the minimizing personnel climb insulated flexible ladder, hard ladder, seize the labour intensity of skewer.
4, an end of insulating guide rail rope is connected to cross-arm on the wire of operation phase, the other end connects the angle bar stake that is arranged in outside the shaft tower miter angle, reach the height that improves insulating guide rail rope upper end and increase the angle of lower end, and then the angle of increase insulating guide rail rope and operation phase conductor, satisfy the requirement of " electrical safe working order " 4.0 meters to satisfy the personal combinational gap that is formed with tower grounding body and electrified body of operating personnel.
5, use wire grip to tighten up the insulating guide rail rope stressed, increase the tension force of insulating guide rail rope, and then the increase personnel take hanging basket and distance earth electrode, increase combinational gap, improve operational security.
6, the instrument such as the insulating guide rail rope of operation use, insulate pull rope, motor-driven grinding mill, wire grip, angle bar stake, insulating guide rail coaster, hanging basket and equipment are the essential instrument of conventional live line working, equipment, need not other standby, improve the utilance of on-the-spot Work tool and repair apparatus.
7, return at charged for replacement 500kV compact list, when the various towers of compact common-tower double-return circuit and cat-head transmission tower trourelle window shaft tower insulator string, can be with the guide rail of insulating guide rail rope as the insulator string transmission, reduce insulator string and shaft tower friction, collision and the manpower traction for preventing that insulator friction, collision from using, reduce operating personnel's labour intensity and increase work efficiency.
8, operational method can be applied to that 500kV compact list returns, the various towers of compact common-tower double-return circuit and cat-head transmission tower trourelle window shaft tower etc. be because tower window gap compactness can't directly pass in and out the line live-line work turnover equipotential that equipotential needs to implement distant place turnover current potential, has extensive use and versatility.
Four, description of drawings
Fig. 1 is described a kind of application schematic diagram of realizing twisting mill hanging basket guide rail distant place turnover equipotential method and device thereof.
Fig. 2 a kind of the field schematic diagram of realizing twisting mill hanging basket guide rail distant place turnover equipotential method and device thereof of the present invention.
Fig. 3 is a kind of the field schematic diagram of realizing twisting mill guide rail method transmission insulator string of the present invention.
Five, embodiment
Below by drawings and Examples technical scheme of the present invention is described further:
Contrast Fig. 1; a kind of device of realizing twisting mill hanging basket guide rail distant place turnover equipotential method is assembled by motor-driven grinding mill 3, insulation ground end corner block 4, three angle bar stakes 5, wire grip 6, insulating guide rail coaster 7, hanging basket 8, insulation tower end corner block 11, insulating guide rail rope 12, insulation pull rope 13, insulation protection rope 16, small slide 17, insulation ground end protection coaster 19, insulation tower end protection coaster 20.
A kind of realization strand mill hanging basket guide rail distant place turnover equipotential method of the present invention also makes 500kV compact list return or common-tower double-return circuit and cat-head transmission tower trourelle window shaft tower strand mill hanging basket guide rail distant place turnover electric potential method, and the field conduct step is:
1, motor-driven grinding mill 3 arranged be fixed on the pole and tower foundation 15, and 10 meters of direction, operation phase conductor fair line road and with the miter angle of shaft tower 2 outside arrange simultaneously three angle bar stakes 5.
2, cross-arm 25 on the shaft tower of an end of insulating guide rail rope 12 and operation phase is connected, the other end by wire grip 6 be arranged in outside the shaft tower miter angle, fair line road direction, and the angle bar stake below operation phase conductor subpoint 5 connects, tighten up wire grip 6 and make insulating guide rail rope 12 stressed, and intersect with the wire of wire outside wire clamp of operation phase.
3, insulating guide rail coaster 7 is connected with hanging basket 8, and be installed on the insulating guide rail rope 12, insulation tower end corner block 11 and the ground of the insulation on the ground 1 end corner block 4 by cross-arm on the shaft tower 25, by motor-driven grinding mill 3 traction 2# insulation pull ropes hanging basket is at the uniform velocity promoted along insulating guide rail rope 12, the operating personnel is sent or withdraws to wire, realize that 500kV compact list returns, compact common-tower double-return circuit and a cat-head transmission tower trourelle window shaft tower distant place enter current potential.
4, the operating personnel is entering or is withdrawing from the equipotential process; use insulation protection rope 16, hold the protection system of protecting coaster 19, insulation tower end protection coaster 20 to be assembled into by small slide 17, insulation ground; control whole process protection by the ground staff, make the operating personnel be in all the time shielded safe condition in process about guide rail.
5, contrast Fig. 3, identical with above-mentioned 1-3 point, return or when the various towers of common-tower double-return circuit and cat-head transmission tower trourelle window shaft tower insulator string at charged more 500kV compact list, insulation tower end corner block 11 is moved to the top of insulator string hanging point, utilize the insulating guide rail rope as the guide rail of insulator string transmission, reduce insulator string and shaft tower friction, collision and the manpower traction for preventing that insulator friction, collision from using, reduce operating personnel's labour intensity and increase work efficiency.
Claims (3)
1. realize strand mill hanging basket guide rail distant place turnover equipotential method for one kind, it is characterized in that, the implementation step of the method is as follows:
1.1 cross-arm on the wire of an end of insulating guide rail rope and operation phase is connected, the other end by wire grip be arranged in outside the shaft tower miter angle, fair line road direction, and the angle bar stake below operation phase conductor subpoint connects, tighten up wire grip and make the insulating guide rail rope stressed, and intersect with the wire of wire outside wire clamp of operation phase;
1.2 the insulating guide rail coaster is connected with hanging basket, and be installed on the described insulating guide rail rope, insulation corner block by cross-arm on the wire, use motor-driven grinding mill traction insulation pull rope that hanging basket is at the uniform velocity promoted along the insulating guide rail rope, the operating personnel is sent or withdraws to wire, realize that the operating personnel returns at 500kV compact list, turnover equipotential in a distant place on the circuit of compact common-tower double-return circuit and cat-head transmission tower trourelle window shaft tower tower window gap compactness.
2. described realization strand is ground hanging basket guide rail distant place turnover equipotential method according to claim 1, it is characterized in that, return at charged for replacement 500kV compact list, when the various towers of compact common-tower double-return circuit and cat-head transmission tower trourelle window shaft tower insulator string, with the guide rail of insulating guide rail rope as the insulator string transmission.
3. one kind is suitable for the device that the described realization strand of claim 1 a mill hanging basket guide rail distant place passes in and out the equipotential method; it is characterized in that; this device is by the insulating guide rail rope; the insulation pull rope; motor-driven grinding mill; wire grip; the angle bar stake; the insulating guide rail coaster; the insulation corner block; the insulation protection rope; insulation protection coaster and hanging basket are assembled; one end of described insulating guide rail rope is connected with cross-arm on the wire of operation phase; the other end by wire grip be arranged in outside the shaft tower miter angle; fair line road direction; and the angle bar stake below operation phase conductor subpoint connects; and intersect with the wire of wire outside wire clamp of operation phase; the insulating guide rail coaster is connected with hanging basket, and is installed on the insulating guide rail rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010609060 CN102136693B (en) | 2010-12-28 | 2010-12-28 | Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010609060 CN102136693B (en) | 2010-12-28 | 2010-12-28 | Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102136693A CN102136693A (en) | 2011-07-27 |
| CN102136693B true CN102136693B (en) | 2013-01-02 |
Family
ID=44296377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010609060 Active CN102136693B (en) | 2010-12-28 | 2010-12-28 | Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102136693B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253403B (en) * | 2013-06-25 | 2016-12-28 | 国家电网公司 | A kind of device and method of charged installation 220kV leakage conductor |
| KR102169823B1 (en) * | 2013-09-30 | 2020-10-26 | 한국전력공사 | Working apparatus of tower arm for live line works and workstation moving method thereof |
| CN103746316B (en) * | 2014-01-02 | 2016-03-02 | 国家电网公司 | A kind of device and method of electrified replacing linear angle tower insulator string |
| CN104143782B (en) * | 2014-07-15 | 2016-08-24 | 中国南方电网有限责任公司超高压输电公司南宁局 | The electrification replacing tool of one ± 800kV line tension insulator chain and method |
| CN108074280B (en) * | 2017-12-18 | 2021-09-03 | 国网江苏省电力有限公司检修分公司 | Method for simulating moving track of hanging basket in equipotential live working of high-voltage transmission line |
| CN109802329A (en) * | 2019-01-31 | 2019-05-24 | 中国电力科学研究院有限公司 | Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods |
| CN110707601B (en) * | 2019-12-09 | 2021-09-14 | 云南电网有限责任公司昆明供电局 | Method for entering multi-loop vertical arrangement wire equipotential operation |
| CN112158781B (en) * | 2020-09-16 | 2022-04-01 | 国家电网有限公司 | Live working device based on motorized traction device and using method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252264A (en) * | 2008-04-02 | 2008-08-27 | 云南电网公司大理供电局 | Equipotential electrical highfield hot-line working method |
| CN201466576U (en) * | 2009-08-25 | 2010-05-12 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Special pulley for remote access equipotentially |
| CN101728787A (en) * | 2008-10-29 | 2010-06-09 | 国网电力科学研究院 | Equipotential access method of 500kV same-tower four-circuit transmission line tangent tower live-wire work |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080024845A (en) * | 2006-09-15 | 2008-03-19 | 한국전기공사협회 | Approaching method to live line in transmission towers |
-
2010
- 2010-12-28 CN CN 201010609060 patent/CN102136693B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252264A (en) * | 2008-04-02 | 2008-08-27 | 云南电网公司大理供电局 | Equipotential electrical highfield hot-line working method |
| CN101728787A (en) * | 2008-10-29 | 2010-06-09 | 国网电力科学研究院 | Equipotential access method of 500kV same-tower four-circuit transmission line tangent tower live-wire work |
| CN201466576U (en) * | 2009-08-25 | 2010-05-12 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Special pulley for remote access equipotentially |
Non-Patent Citations (4)
| Title |
|---|
| 500KV紧凑型线路带电作业进入等电位方式;杨建兴;《云南电业》;20100531(第5期);39-40 * |
| 带电作业进入等电位方式点评;李如虎;《南方电网技术》;20090430;第3卷(第2期);59-61 * |
| 李如虎.带电作业进入等电位方式点评.《南方电网技术》.2009,第3卷(第2期),59-61. |
| 杨建兴.500KV紧凑型线路带电作业进入等电位方式.《云南电业》.2010,(第5期),39-40. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102136693A (en) | 2011-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102136693B (en) | Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail | |
| CN102623926B (en) | Distant equipotential tackle and method for realizing charged equipotential access by using same | |
| CN203734209U (en) | Live working device for cable bypass | |
| CN103618249A (en) | technology for electrified overhaul of +-500kV double-circuit direct-current power transmission lines on same tower | |
| CN103618252A (en) | Operation method for replacing tension insulator for 35kV overhead line in electrified mode | |
| CN101888075A (en) | 10kV wire lifting operational method for insulating tool of crane | |
| CN104925711A (en) | Liftable auxiliary apparatus for power system | |
| CN103746316B (en) | A kind of device and method of electrified replacing linear angle tower insulator string | |
| CN103001141A (en) | Method for mounting anti-waving spacers on 66-kilovolt power transmission hot-line | |
| CN103414144A (en) | Lightning protection system of extra-high voltage alternating-current double-circuit line in mountain area | |
| CN205882560U (en) | Special circulation cord rack device of distribution live working earth potential | |
| CN202840439U (en) | Double ground wire connecting system | |
| CN201440584U (en) | Ground potential replacement device for tension tower insulators and accessories in power transmission line | |
| CN203690799U (en) | Device for replacing suspension angle tower insulator string in live state | |
| CN103199474B (en) | Method for 500KV large cross-section wire hot-line installation of phase to phase spacers | |
| CN202550399U (en) | Distant equipotential tackle | |
| CN104037648A (en) | Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire | |
| CN201466565U (en) | Wire lifting device of vehicle with insulating boom | |
| CN104314352A (en) | Compact composite material power transmission line tower | |
| CN209948529U (en) | Live lifting mechanism for three-phase lead of straight-line section of 10kV distribution network line | |
| CN2850087Y (en) | Wired television network power filtering lightning arrester | |
| CN202840449U (en) | Tower shunt wire drawing and copper grounding structure | |
| CN204835361U (en) | Electric power system overhead line work auxiliary assembly | |
| CN203166445U (en) | Device using coupling ground line to reduce lightning trip-out rate of transmission line | |
| CN203352118U (en) | Lightning protection device of overhead transmission line |
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 |