CN102623926A - Distant equipotential tackle and method for realizing charged equipotential access by using same - Google Patents

Distant equipotential tackle and method for realizing charged equipotential access by using same Download PDF

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Publication number
CN102623926A
CN102623926A CN2012100874618A CN201210087461A CN102623926A CN 102623926 A CN102623926 A CN 102623926A CN 2012100874618 A CN2012100874618 A CN 2012100874618A CN 201210087461 A CN201210087461 A CN 201210087461A CN 102623926 A CN102623926 A CN 102623926A
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China
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equipotential
coaster
distant place
tower
insulation
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CN2012100874618A
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Chinese (zh)
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CN102623926B (en
Inventor
谭永殿
王明伟
覃宏坚
农永红
黄世权
梁靖
甘朝阳
岑关
黄华
唐勇
贾博
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Baise Bureau of Extra High Voltage Transmission Co
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Baise Bureau of Extra High Voltage Transmission Co
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Abstract

The invention relates to a distant equipotential tackle and a method for realizing charged equipotential access by using the same. The method comprises the following steps of: mounting the distant equipotential tackle on a 500kV compact line or a conductor line of a middle-phase small tower window of a 500kV cat-head tower; moving the distant equipotential tackle to an external position being over 5 meters away from an insulator string wire clip; using the conductor line as an anchor point; and towing a seat hanging basket by a motorized winch through an insulation steering tackle arranged on the distant equipotential tackle so as to feed or withdraw equipotential operating personnel to or from an equipotential position at a distant position outside a pole/tower. With the adoption of the distant equipotential tackle and the method for realizing the charged equipotential access by using the same, the operating personnel can carry out charged operation on a 500kV compact single-circuit line or a 500kV compact same-tower double-circuit line and a line of the middle-phase small tower window of the 500kV cat-head tower, and the demand for charged repair of transmission lines is ensured.

Description

Distant place equipotential coaster and realize the equipotential method of charged turnover
Technical field
The present invention relates to the tool device of the charged repairing of a kind of ultra-high-tension power transmission line, the equipotential distant place of phase trourelle curtain heading tape electricity turnover equipotential coaster in 500 kilovolts of compact lines of particularly a kind of realization or the 500kV cat head tower.
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, saving is sent electric corridor, reduced the wastage, and economic and social benefit is remarkable.Recent 500 kilovolts of compact technology of transmission of electricitys are used widely in China's extra-high voltage transmission.
Live line working is to reduce interruption duration, improves the equipment availability coefficient, the effective means that improves the economic and social benefits.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.The person that use equipotential method of direct turnover below the shaft tower insulator string can't satisfy " electrical safe working order " regulation should keep being not less than 4 meters combinational gap required distance with earth electrode and electrified body.
Chinese patent 201010609060 discloses a kind of realization strand mill hanging basket guide rail distant place turnover compact line equipotential method and device thereof, is through using insulating guide rail rope, insulation pull rope, motor-driven strand mill, wire grip, angle bar stake, insulating guide rail coaster and hanging basket to be assembled.Cross-arm connection on one end of said insulating guide rail rope and the operation lead mutually; The other end through 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 tightens up wire grip and 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; Send or withdraw from the operating personnel to lead, realize that 500 kilovolts of compact lists return, a compact common-tower double-return circuit trourelle window shaft tower distant place gets into current potential.
Said method and device thereof exist following three to implement a difficult problem:
1, operation needs comparatively smooth landform commodiously.500 kilovolts of general tower heights of compact line are 30 meters to 50 meters; Need be when said method is implemented in the operation phase conductor subpoint arranged beneath angle bar stake outside the suitable line direction shaft tower miter angle; Make it with operation lead mutually on cross-arm insulating guide rail rope connect, form hanging basket distant place turnover equipotential passage.Operation enforcement needs shaft tower landform of living in that 30 meters to 50 meters smooth landform are commodiously arranged and on suitable line direction, these most shaft towers in big tor of living in areas, 500 kilovolts of compact line corridors of many south electric networks such as South-West Yunnan, the southeast of Guizhou Province, Gui Xi, Gui Bei can't be implemented.
2, power tool, device, mechanical various.Said method is assembled through using insulating guide rail rope, insulation pull rope, motor-driven strand mill, wire grip, angle bar stake, insulating guide rail coaster and hanging basket.Need to drop into great amount of manpower and material resources in ungetable big tor area enforcement.
3, operation procedure is numerous and diverse.Said method is implemented to be assembled by multi-mode operation instrument, device, machinery, and operation layout is multi-point and wide-ranging, and program is numerous and diverse, and operation process is careless slightly, might cause the generation of personal injury or equipment breakdown.
Chinese patent 200920125663 discloses an a kind of distant place and has got into the special-purpose coaster of equipotential; Be that distant place equipotential coaster is moved out the distance outside 5 meters outside the insulator string wire clamp; Utilize lead as anchor point; The equal potential working personnel take hanging basket through the insulation corner block installed on the equipotential coaster of a distant place by the traction of motor-driven strand mill, realize the operating personnel 500 kilovolts of compact lists return or the common-tower double-return circuit on a distant place get into equipotential.
Said method and device thereof exist following two to implement a difficult problem:
The suffered concentrated stress of lead was bigger when 1, an existing distant place got into the use of equipotential gin block, easily damage wires.
2, it is less that a distant place gets into equipotential gin block diameter, can't fail general comprehensively on the line through the lead of stockbridge damper is installed.
Summary of the invention
Phase trourelle window lead adopts the bundle conductor design in 500 kilovolts of compact lines or the 500kV cat head tower; Bundle conductor is generally positive square or regular hexagon is arranged; Utilize above-mentioned line design characteristics; The technical problem that the present invention will solve is: the distant place equipotential coaster of phase trourelle window in 500 kilovolts of compact lines of a kind of charged turnover or the 500kV cat head tower is provided and realizes the equipotential method of charged turnover; Be fit to 500 kilovolts of compact lines; Comprise the compact list return with common-tower double-return compact type circuit or 500kV cat head tower in the equal potential working of trourelle window mutually, solve the difficult problem of the rush repair of compact transmission line, 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: the equipotential distant place of a kind of charged turnover equipotential coaster; Form by line ball coaster, coaster protective plate, coaster protection hanging hole, insulation corner block hanging hole; Said line ball coaster is distributed in the both sides of distant place equipotential coaster; Both sides at the line ball coaster are installed inside and outside protective plate respectively, prevent the moving process job-hopping on lead of distant place equipotential coaster; Coaster protection hanging hole is positioned at the center of distant place equipotential coaster, is connected protection distant place equipotential coaster with it with the shaft tower cross-arm through the insulation rope and prevents to fall; Insulation corner block hanging hole is arranged on the below of coaster protection hanging hole, is used for installing always pulling round coaster.Said distant place equipotential coaster by controlling and protection with the Ground Operation personnel on the tower, realizes that the equal potential working personnel get into or withdraw from the compact line equipotential along an insulated flexible ladder distant place through on the divisural line that is installed in 5 meters, the shaft tower outside.
Said distant place equipotential coaster and realize the equipotential method of charged turnover comprises the steps:
1, the equipotential distant place of said charged turnover equipotential coaster is installed on the phase trourelle window lead in 500 kilovolts of compact lines or 500kV cat head tower; And said distant place equipotential coaster moved out the distance outside 5 meters outside the insulator string wire clamp; Utilize lead as anchor point; The equal potential working personnel take hanging basket through the insulation corner block of installing on the equipotential coaster of a distant place by the traction of motor-driven strand mill; Realize the operating personnel 500 kilovolts of compact lists return or the common-tower double-return circuit on a distant place get into equipotential, it is opposite to withdraw from equipotential program.
2, said distant place equipotential coaster is provided with two line ball coasters through employing and is installed on two oidiospore leads; Reduce of the injury of the centralized load of the single line ball coaster of use to lead; The both sides of overload line ball coaster are provided with interior outer casing, prevent that the line ball coaster from use job-hoping to fall protection operating personnel personal safety; The center that insulation corner block hanging point is arranged on coaster is promptly at the center of two oidiospore leads; The convenient working personnel get into or withdraw from equipotential, reduce labour intensity, increase work efficiency.
3, the supratrochlear coaster protection of equipotential hanging hole is installed the insulation protection rope in a said distant place, and is connected with shaft tower, is fixed on the shaft tower, prevents that the line ball coaster from falling, and utilizes insulation protection rop exercise control to install or remove the line ball coaster simultaneously; The insulation protection rope is installed on the total pull rope of insulation below the insulation corner block, and is connected with shaft tower, be fixed on the shaft tower, the corner block that prevents to insulate occurs meeting outer and the total pull rope of insulation is fallen; Personnel take hanging basket rise to get into or withdraw from the equipotential process by the ground staff through " small slide " with pole and tower foundation master material as anchor point protection control; Be used for that the equal potential working personnel rise or the personal fall arrest protection rope when descending, reach job safety, convenient, purpose efficiently.
The technique effect that the present invention reaches:
1, gets into or withdraws from equipotential through on bundle conductor, distant place equipotential coaster being installed apart from 5.0 meters, the shaft tower outside; Increase the distance of equal potential working personnel and tower grounding member; Meet the requirement that " electrical safe working order " is not less than 4.0 meters to satisfy the personal combinational gap of being formed with tower grounding body and electrified body of operating personnel, improve operational security greatly.
2, equipotential coaster in a distant place is provided with two line ball coasters through employing and is installed on two oidiospore leads, reduces the injury to lead of the centralized load of using single line ball coaster, crosses and in the both sides of line ball coaster interior outer casing is set; Prevent that the line ball coaster from falling in the use job-hopping; Protection operating personnel personal safety, the center that insulation corner block hanging point is arranged on coaster is promptly at the center of two oidiospore leads, and the convenient working personnel get into or withdraw from equipotential; Reduce labour intensity, increase work efficiency.
3, equipotential coaster upper pulley protection hanging hole is installed the insulation protection rope in the distance, and is connected with shaft tower, is fixed on the shaft tower, prevents that the line ball coaster from falling, and utilizes insulation protection rop exercise control to install or remove the line ball coaster simultaneously; The insulation protection rope is installed on the total pull rope of insulation below the insulation corner block, and is connected with shaft tower, be fixed on the shaft tower, the corner block that prevents to insulate occurs meeting outer and the total pull rope of insulation is fallen; Personnel take hanging basket rise to get into or withdraw from the equipotential process by the ground staff through " small slide " with pole and tower foundation master material as anchor point protection control; Personal fall arrest protection rope when being used for equal potential working personnel rising or decline makes the operating personnel all the time under shielded safe condition.
4, the distant place equipotential coaster through particular design processing can have free passage on the bundle conductor that stockbridge damper is installed, and reduces workload and the labour intensity removing and recover the lead stockbridge damper, thereby effectively increases work efficiency.
5, through on bundle conductor, distant place equipotential coaster being installed apart from 5.0 meters, the shaft tower outside; With pole and tower foundation shape in an angle; The insulation pull rope that can utilize pole and tower foundation to rise as the transmission personnel and descend and as the anchor point that turns to of the motor-driven strand mill of power traction solves the operation special show with a varied topography of tor area and arranges difficult problem.
6, use motor-drivenly as power traction, at the uniform velocity lifting or decline hanging basket alleviate the labour intensity that the equal potential working personnel climb shaft tower or rope ladder, reach job safety, convenient, purpose efficiently.
Description of drawings
The structural representation of Fig. 1 distant place according to the invention equipotential coaster.
The vertical view of Fig. 2 distant place according to the invention equipotential coaster.
The left view of Fig. 3 distant place according to the invention equipotential coaster.
Fig. 4 is the A-A cutaway view of Fig. 1.
The The field sketch map of Fig. 5 distant place according to the invention equipotential coaster.
Embodiment
Below through accompanying drawing and embodiment technical scheme of the present invention is described further:
As shown in Figure 1; A distant place according to the invention equipotential coaster is assembled by the first line ball coaster 1, the second line ball coaster 2, first coaster protection outside plate 3, first coaster protection inner panel 7, second coaster protection outside plate 4, second coaster protection inner panel 8, coaster protection hanging hole 5, insulation corner block hanging hole 6, the first line ball pulley axle 9 and the second line ball pulley axle 10.
The first line ball coaster 1 and the second line ball coaster 2 are distributed in the both sides of distant place equipotential coaster; Be separately installed with first coaster protection outside plate 3, first coaster protection inner panel 7 and second coaster protection outside plate 4, second coaster protection inner panel 8 in the both sides of the first line ball coaster 1 and the second line ball coaster 2, prevent the moving process job-hopping on lead of distant place equipotential coaster; Coaster protection hanging hole 5 is positioned at the center of distant place equipotential coaster, is connected protection distant place equipotential coaster with it with the shaft tower cross-arm through the insulation rope and prevents to fall; Insulation corner block hanging hole 6 is arranged on the below of coaster protection hanging hole, is used for installing always pulling round coaster.Said distant place equipotential coaster by controlling and protection with the Ground Operation personnel on the tower, realizes that the equal potential working personnel get into or withdraw from the compact line equipotential along an insulated flexible ladder distant place through on the divisural line that is installed in 5 meters, the shaft tower outside.
Map 5, a distant place according to the invention equipotential coaster is realized the equipotential method of charged turnover, the field conduct step is:
1, the ground staff assembles distant place equipotential coaster: the total pull rope of insulation protection rope 16, the corner block 11 that will insulate, insulation 12 is installed on coaster protection hanging hole 5, hanging basket 13 connects with distant place equipotential tackle pulley load, and the corner block protection of will insulate is restricted and 17 is installed on total pull rope 12 that insulate through shackle.
2, the ground staff passes to distant place equipotential coaster on the shaft tower cross-arm 18; By operating personnel on the tower distant place equipotential coaster is installed in 500 kilovolts of compact lines or the 500kV cat head tower on the phase trourelle window oidiospore lead 10; And the first line ball coaster 1 is pressed on the bundle conductor 14; The second line ball coaster 2 is pressed on the bundle conductor 15, and the ground staff spurs the total pull rope 12 of insulation, and distant place equipotential coaster is moved on the lead at 5.0 meters, the shaft tower outside.
2, personnel are fixed in insulation protection rope 16 and corner block protection rope 17 on the shaft tower cross-arm 18 on the tower; The equal potential working personnel are seated in hanging basket 13; Motor-driven strand mill operator starts motor-driven strand mill and affects the total pull rope 12 of insulation, at the uniform velocity promotes or decline, sends or withdraw from the operating personnel to lead; Realize the 500kV compact line, comprise that 500kV compact list returns and common-tower double-return circuit or cat head tower trourelle window shaft tower distant place entering current potential.
3, the operating personnel is getting into or is withdrawing from the equipotential process; Protect rope 17 and transmit the protection system that rope is assembled into by insulation protection rope 16, corner block by insulation; Control whole process protection by the ground staff, make the operating personnel get into or withdraw from the equipotential process and be in shielded safe condition all the time taking hanging basket.

Claims (2)

1. distant place equipotential coaster; It is characterized in that; This coaster is made up of line ball coaster, coaster protective plate, coaster protection hanging hole, insulation corner block hanging hole, and said line ball coaster is distributed in the both sides of distant place equipotential coaster, in the both sides of line ball coaster inside and outside protective plate is installed respectively; Coaster protection hanging hole is positioned at the center of distant place equipotential coaster, and insulation corner block hanging hole is arranged on the below of coaster protection hanging hole.
2. the said distant place of claim 1 equipotential coaster is realized the equipotential method of charged turnover, it is characterized in that, comprises the steps:
1.1 the equipotential distant place of said charged turnover equipotential coaster is installed on the phase trourelle window lead in 500 kilovolts of compact lines or 500kV cat head tower; And said distant place equipotential coaster moved out the distance outside 5 meters outside the insulator string wire clamp; Utilize lead as anchor point; The equal potential working personnel take hanging basket through the insulation corner block of installing on the equipotential coaster of a distant place by the traction of motor-driven strand mill; Realize the operating personnel 500 kilovolts of compact lists return or the common-tower double-return circuit on a distant place get into equipotential, it is opposite to withdraw from equipotential program
1.2 said distant place equipotential coaster is provided with two line ball coasters through employing and is installed on two oidiospore leads; Reduce of the injury of the centralized load of the single line ball coaster of use to lead; And the both sides of crossing the line ball coaster are provided with interior outer casing, prevent that the line ball coaster from use job-hoping to fall
1.3 the supratrochlear coaster protection of equipotential hanging hole is installed the insulation protection rope in a said distant place, and is connected with shaft tower, is fixed on the shaft tower, prevents that the line ball coaster from falling, and utilizes insulation protection rop exercise control to install or remove the line ball coaster simultaneously; The insulation protection rope is installed on the total pull rope of insulation below the insulation corner block, and is connected with shaft tower, be fixed on the shaft tower, the corner block that prevents to insulate occurs meeting outer and the total pull rope of insulation is fallen; Personnel take hanging basket rise to get into or withdraw from the equipotential process by the ground staff through " small slide " with pole and tower foundation master material as anchor point protection control, the personal fall arrest protection rope when being used for the equal potential working personnel and rising or descend.
CN201210087461.8A 2012-03-29 2012-03-29 Distant equipotential tackle and method for realizing charged equipotential access by using same Active CN102623926B (en)

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CN106129898A (en) * 2016-07-28 2016-11-16 国网山东省电力公司经济技术研究院 Auxiliary device crossed over by a kind of ground wire of changing
CN106684757A (en) * 2017-01-22 2017-05-17 国网河南省电力公司检修公司 Mobile car for entering electric field along strain tower insulator string in extra-high voltage live working
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
CN109061358A (en) * 2018-10-24 2018-12-21 云南电网有限责任公司电力科学研究院 A kind of single-phase transient earthing short-circuit test method and system of transmission line of electricity
CN109212361A (en) * 2018-10-24 2019-01-15 云南电网有限责任公司电力科学研究院 A kind of power transmission line phase fault test method and system
CN109406930A (en) * 2018-10-24 2019-03-01 云南电网有限责任公司电力科学研究院 A kind of method that U-shaped short-circuit test device is installed in livewire work
CN110265914A (en) * 2019-06-13 2019-09-20 中国电力科学研究院有限公司 Electrification enters the compound equipotential device and method of cross-arm route of AC extra high voltage
CN110943396A (en) * 2019-10-30 2020-03-31 国家电网有限公司 Operation process for live access equipotential of power transmission line in river network area

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106129898A (en) * 2016-07-28 2016-11-16 国网山东省电力公司经济技术研究院 Auxiliary device crossed over by a kind of ground wire of changing
CN106129898B (en) * 2016-07-28 2018-01-02 国网山东省电力公司经济技术研究院 One kind changes ground wire and crosses over servicing unit
CN106684757A (en) * 2017-01-22 2017-05-17 国网河南省电力公司检修公司 Mobile car for entering electric field along strain tower insulator string in extra-high voltage live working
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
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
CN109061358A (en) * 2018-10-24 2018-12-21 云南电网有限责任公司电力科学研究院 A kind of single-phase transient earthing short-circuit test method and system of transmission line of electricity
CN109212361A (en) * 2018-10-24 2019-01-15 云南电网有限责任公司电力科学研究院 A kind of power transmission line phase fault test method and system
CN109406930A (en) * 2018-10-24 2019-03-01 云南电网有限责任公司电力科学研究院 A kind of method that U-shaped short-circuit test device is installed in livewire work
CN109061358B (en) * 2018-10-24 2021-10-26 云南电网有限责任公司电力科学研究院 Method and system for testing single-phase instantaneous grounding short circuit of power transmission line
CN110265914A (en) * 2019-06-13 2019-09-20 中国电力科学研究院有限公司 Electrification enters the compound equipotential device and method of cross-arm route of AC extra high voltage
CN110265914B (en) * 2019-06-13 2022-10-04 中国电力科学研究院有限公司 Device and method for entering alternating-current extra-high voltage composite cross arm line equipotential in live line
CN110943396A (en) * 2019-10-30 2020-03-31 国家电网有限公司 Operation process for live access equipotential of power transmission line in river network area
CN110943396B (en) * 2019-10-30 2022-04-12 国家电网有限公司 Operation method for live access equipotential of power transmission line in river network area

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