CN102136693A - 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
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- CN102136693A CN102136693A CN2010106090605A CN201010609060A CN102136693A CN 102136693 A CN102136693 A CN 102136693A CN 2010106090605 A CN2010106090605 A CN 2010106090605A CN 201010609060 A CN201010609060 A CN 201010609060A CN 102136693 A CN102136693 A CN 102136693A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 24
- 230000007306 turnover Effects 0.000 claims description 16
- 239000012212 insulator Substances 0.000 claims description 13
- 241000282326 Felis catus Species 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 4
- 229910000746 Structural steel Inorganic materials 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
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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 compact technology of transmission of electricitys, 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 forest felling, young crops reparations and housing demolition amount in a large number, have advantages such as transmission capacity is big, 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., kilometer surplus the design application common-tower double-return circuit 90 has effectively been saved resource, has reduced loss, has been protected environment as far as possible.
Live line working is to reduce interruption duration, improves the important means of equipment availability coefficient.500 kilovolts of compact lists return, compact common-tower double-return compact type transmission line three-phase conducting wire is arranged in the same tower window, and the assembling of insulator string gold utensil is complicated, and the space is narrower; Phase conductor is arranged in the compact trourelle window in the cat head 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 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 portion, be fit to 500kV compact list and return or common-tower double-return circuit and the live line working of cat head 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 is adopted: 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 an end of insulating guide rail rope and the operation lead is mutually connected, the other end by wire grip be arranged in outside the shaft tower miter angle, along line 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 lead of operation lead mutually outside wire clamp.
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 lead, use motor-driven strand 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 lead, realize the operating personnel 500kV compact list return or the circuit of tower window gap compactnesses such as common-tower double-return circuit and cat head 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, this method is by using the insulating guide rail rope, the insulation pull rope, motor-driven strand mill, wire grip, the angle bar stake, insulating guide rail coaster and hanging basket are assembled, cross-arm connects on one end of described insulating guide rail rope and the operation lead mutually, the other end by wire grip be arranged in outside the shaft tower miter angle, along line 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 lead of operation lead mutually outside wire clamp, the insulating guide rail coaster is connected with hanging basket, and be installed on the insulating guide rail rope, use motor-driven strand 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 lead, realize that 500kV compact list returns, a compact common-tower double-return circuit and a cat head 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 strand 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 cross-arm on the lead 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, to satisfy the requirement that the personal combinational gap of being formed with tower grounding body and electrified body of operating personnel satisfies " electrical safe working order " 4.0 meters.
5, it is stressed to use wire grip to tighten up the insulating guide rail rope, increases the tension force of insulating guide rail rope, and then the increase personnel take hanging basket and distance earth electrode, increases combinational gap, improves operational security.
6, instrument such as the insulating guide rail rope of operation use, insulate pull rope, motor-driven strand 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 to be equipped with in addition, 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 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 manpower traction, reduce operating personnel's labour intensity and increase work efficiency for preventing that insulator friction, collision from using.
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 tower trourelle window shaft tower etc. be because of 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 strand 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 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 strand mill 3 arranged be fixed on the pole and tower foundation 15, and the operation phase conductor along 10 meters of line direction and with the miter angle of shaft tower 2 outside arrange three angle bar stakes 5 simultaneously.
2, cross-arm 25 on an end of insulating guide rail rope 12 and the operation shaft tower is mutually connected, the other end by wire grip 6 be arranged in outside the shaft tower miter angle, along line 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 lead of operation lead mutually outside wire clamp.
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 strand 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 lead, realize that 500kV compact list returns, compact common-tower double-return circuit and a cat head 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 shielded safe condition all the time 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 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 guide rail of insulating guide rail rope as the insulator string transmission, reduce insulator string and shaft tower friction, collision and manpower traction, reduce operating personnel's labour intensity and increase work efficiency for preventing that insulator friction, collision from using.
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 this method is as follows:
1.1 cross-arm on an end of insulating guide rail rope and the operation lead is mutually connected, the other end by wire grip be arranged in outside the shaft tower miter angle, along line 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 lead of operation lead mutually outside wire clamp
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 lead, use motor-driven strand 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 lead, realize the operating personnel 500kV compact list return or the circuit of common-tower double-return circuit and cat head tower trourelle window shaft tower tower window gap compactness on distant place turnover equipotential.
2. according to the described realization strand of claim 1 mill hanging basket guide rail distant place turnover equipotential method, it is characterized in that, the implementation step of this method is as follows: return or when the various towers of common-tower double-return circuit and cat head tower trourelle window shaft tower insulator string, with the guide rail of insulating guide rail rope as the insulator string transmission at charged for replacement 500kV compact list.
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 strand mill; wire grip; the angle bar stake; the insulating guide rail coaster; insulation corner coaster; the insulation protection rope; insulation protection coaster and hanging basket are assembled; cross-arm connects on one end of described insulating guide rail rope and the operation lead mutually; the other end by wire grip be arranged in outside the shaft tower miter angle; along line direction; and the angle bar stake below operation phase conductor subpoint connects; and intersect with the lead of operation lead mutually outside wire clamp; 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 |
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| 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 |
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| CN102136693A true CN102136693A (en) | 2011-07-27 |
| CN102136693B CN102136693B (en) | 2013-01-02 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746316A (en) * | 2014-01-02 | 2014-04-23 | 国家电网公司 | Device and method for replacing insulator string of straight corner tower in hot-line work mode |
| CN104143782A (en) * | 2014-07-15 | 2014-11-12 | 中国南方电网有限责任公司超高压输电公司南宁局 | Electrified replacement tool and method for +/-800 kV circuit strain insulator string |
| CN104253403A (en) * | 2013-06-25 | 2014-12-31 | 国家电网公司 | An apparatus and method for installing a 220 kV line arrester in a live working state |
| KR20150037359A (en) * | 2013-09-30 | 2015-04-08 | 한국전력공사 | Working apparatus of tower arm for live line works and workstation moving method thereof |
| CN108074280A (en) * | 2017-12-18 | 2018-05-25 | 国网江苏省电力有限公司检修分公司 | The method that ultra-high-tension power transmission line Equipotential live working simulates hanging basket motion track |
| 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 |
| CN110707601A (en) * | 2019-12-09 | 2020-01-17 | 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 |
| CN112158781A (en) * | 2020-09-16 | 2021-01-01 | 国家电网有限公司 | Live working device based on motorized traction device and using method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253403A (en) * | 2013-06-25 | 2014-12-31 | 国家电网公司 | An apparatus and method for installing a 220 kV line arrester in a live working state |
| KR102169823B1 (en) | 2013-09-30 | 2020-10-26 | 한국전력공사 | Working apparatus of tower arm for live line works and workstation moving method thereof |
| KR20150037359A (en) * | 2013-09-30 | 2015-04-08 | 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 device and method for live replacement of straight-line corner tower insulator strings |
| CN103746316A (en) * | 2014-01-02 | 2014-04-23 | 国家电网公司 | Device and method for replacing insulator string of straight corner tower in hot-line work mode |
| CN104143782A (en) * | 2014-07-15 | 2014-11-12 | 中国南方电网有限责任公司超高压输电公司南宁局 | Electrified replacement tool and method for +/-800 kV circuit strain 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 |
| CN108074280A (en) * | 2017-12-18 | 2018-05-25 | 国网江苏省电力有限公司检修分公司 | The method that ultra-high-tension power transmission line Equipotential live working simulates hanging basket motion track |
| 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 |
| CN110707601A (en) * | 2019-12-09 | 2020-01-17 | 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 |
| 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 |
| CN112158781A (en) * | 2020-09-16 | 2021-01-01 | 国家电网有限公司 | Live working device based on motorized traction device and using method |
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