CN104659710A - Live working method for 500kV power transmission line roadside phase lead insulating bucket boom tractor - Google Patents
Live working method for 500kV power transmission line roadside phase lead insulating bucket boom tractor Download PDFInfo
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- CN104659710A CN104659710A CN201510061506.8A CN201510061506A CN104659710A CN 104659710 A CN104659710 A CN 104659710A CN 201510061506 A CN201510061506 A CN 201510061506A CN 104659710 A CN104659710 A CN 104659710A
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Abstract
The invention discloses a live working method for a 500kV power transmission line roadside phase lead insulating bucket boom tractor. The live working method comprises the following steps: 1, firstly, the insulating bucket boom tractor is grounded before being used, an operator wears complete shielding clothes and climbs on the working bucket, and the shielding clothes and the working bucket are in good electric connection through a soft copper line; 2, the insulating bucket boom tractor lifted up by the operator in the working bucket, and the working bucket is manipulated to be approximate to an electric working position; 3, the working bucket stops moving when being 40 cm away from the lead, and the operator completes potential transfer through a potential transfer rod; 4, the operator controls the working bucket to be in contact with a live lead, and the operator in the working bucket implements overall working; 5, after the live working is completed, the operator disassembles the potential transfer rod and other all tools, and returns to the ground. The live working method has the advantages that the working process is safe, a small number of overhaul operators are needed, and the operability is high.
Description
Technical field
The present invention relates to a kind of live line working method of transmission line, specifically relate to a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method.
Background technology
Power industry maintenance repair, especially power transmission lines overhauling operation, operating personnel generally needs to carry out work high above the ground on wire or shaft tower.The live line working method of current 500kV circuit is based on idiostatic method, and operating personnel climbs the cross-arm place near shaft tower to wire, enters equipotential working point by insulating ladder or hanging basket.If carry out operation in shelves, operating personnel needs to climb to working point along wire.Because 500kV shaft tower is general all at more than 30m, circuit typical case span is about 500m, and larger shaft tower size and line length enter job position to operating personnel and bring very large difficulty, and operating efficiency is low, has a big risk.
Can be used for the ascending tool mainly aerial lift device with insulated arm of high-altitude live-line maintenance operation at present.Live line working aerial lift device with insulated arm is the high-altitude operation vehicle with working bucket, insulation arm, hydraulic control system, enter the danger that job position can avoid falling from high altitude, reduce the labour intensity of operating personnel simultaneously, improve operating efficiency, reduce operating risk.Aerial lift device with insulated arm at home and abroad widely uses, and its insulating properties and mobility substantially increase fail safe and the operating efficiency of operation.Aerial lift device with insulated arm is widely applied in China 10kV power distribution live-wire, and present stage there is no the method utilizing aerial lift device with insulated arm to carry out live line working on 500kV transmission line.
Summary of the invention
A kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method is the object of the present invention is to provide to come for high-altitude live-line maintenance operation, the present invention adopts following technical scheme: a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method, it is characterized in that, comprise the steps:
First carry out ground connection before the operation of SS1 aerial lift device with insulated arm, operating personnel dresses a complete set of screening clothing and climbs up working bucket, carries out good electrical be connected between screening clothing with working bucket with annealed copper wire;
Human users's aerial lift device with insulated arm lift-off in SS2 bucket, near manipulation working bucket to equal potential working position;
SS3 suspends mobile when working bucket distance of wire 40 centimetres, operating personnel completes potential transfer by electric potential transferring stick;
SS4 operating personnel controls working bucket contact electrification wire, and in bucket, personnel carry out upkeep operation;
SS5 live line working terminates, and operating personnel removes electric potential transferring stick and other all instruments, and operating personnel returns to ground.
Preferably, described aerial lift device with insulated arm is 500kV and above specification, and described working bucket is that metal material is made.
Preferably, the grounding rule of the aerial lift device with insulated arm described in described step SS1 is: earth connection should be made up of the soft copper cash of minimum 4/0AWG, and ground distance is not more than 25cm, and earth resistance is less than 25 ohm.
Preferably, described step SS2 also comprises: when carrying out equal potential working, working bucket, live wire should be kept, operating personnel three keep good electrical connect namely be in same current potential.
Preferably, the equal potential working position described in described step SS2 is the outside that operating personnel is positioned at wire, if operation near linear insulator, then operating personnel's head must be no more than edge on grading ring; Described aerial lift device with insulated arm carries out equal potential working mutually during on limit, minimum safe distance is 3.4m over the ground, and alternate minimum safe distance is 5.0m.
The beneficial effect that the present invention reaches: (1) equipotential electrician directly enters job position in the phase conductor shelves of 500kV circuit limit by aerial lift device with insulated arm, without the need to climbing shaft tower and walking along wire, operation process is fool proof; (2) use aerial lift device with insulated arm to carry out 500kV hot line maintenance very efficiently, compare traditional work mode, terminate the activity duration more than 50%; (3) adopt aerial lift device with insulated arm to carry out live line working and decrease labour needed for operation, in this example, required operating personnel is 3 people, compares traditional work method and reduces operating personnel 2 people.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of embodiment of a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method of the present invention.
The implication marked in figure: sub-conductor under 1-, 2-electric potential transferring stick, 3-1 electrician.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
The present invention proposes a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method, comprises the steps:
First carry out ground connection before the operation of SS1 aerial lift device with insulated arm, operating personnel dresses a complete set of screening clothing and climbs up working bucket, carries out good electrical be connected between screening clothing with working bucket with annealed copper wire;
Human users's aerial lift device with insulated arm lift-off in SS2 bucket, near manipulation working bucket to equal potential working position;
SS3 suspends mobile when working bucket distance of wire 40 centimetres, operating personnel completes potential transfer by electric potential transferring stick;
SS4 operating personnel controls working bucket contact electrification wire, and in bucket, personnel carry out upkeep operation;
SS5 live line working terminates, and operating personnel removes electric potential transferring stick and other all instruments, and operating personnel returns to ground.
Preferably, described aerial lift device with insulated arm is 500kV and above specification, and described working bucket is that metal material is made.
Preferably, the grounding rule of the aerial lift device with insulated arm described in described step SS1 is: earth connection should be made up of the soft copper cash of minimum 4/0AWG, and ground distance is not more than 25cm, and earth resistance is less than 25 ohm.
Preferably, described step SS2 also comprises: when carrying out equal potential working, working bucket, live wire should be kept, operating personnel three keep good electrical connect namely be in same current potential.
Preferably, the equal potential working position described in described step SS2 is the outside that operating personnel is positioned at wire, if operation near linear insulator, then operating personnel's head must be no more than edge on grading ring; Described aerial lift device with insulated arm carries out equal potential working mutually during on limit, minimum safe distance is 3.4m over the ground, and alternate minimum safe distance is 5.0m.
As described in Figure 1 be the schematic diagram of a kind of embodiment of a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method of the present invention, this embodiment uses aerial lift device with insulated arm charged repairing 500kV limit to descend sub-conductor mutually, specifically adopts following steps:
(1) operating personnel is before ground fulfils assignment after preparation, and in bucket, electrician puts on a complete set of screening clothing and enters working bucket, and screening clothing keeps good electrical to be connected with working bucket annealed copper wire, and interior No. 1 electrician 3 that struggles against starts aerial lift device with insulated arm, the lift-off of manipulation working bucket;
(2) interior No. 1 electrician 3 that struggles against operates aerial lift device with insulated arm, and under head distance, sub-conductor 1 about 40 centimetres (D1) distance is suspended, and obtains No. 1 electrician 3 in work director order back bucket and completes potential transfer by electric potential transferring stick 2;
(3) interior No. 1 electrician 3 that struggles against operates insulation bucket in horizontal outer side direction, harness damage place, and interior 2 the equipotential electrician cooperation preformed armor rodses that struggle against are wound around lower sub-conductor 1, repair;
(4) after obtaining work director license, equipotential electrician checks on line after no problem, and operation aerial lift device with insulated arm stops when distance of wire is about 0.4m, departs from electric field by electric potential transferring stick 2;
(5) interior No. 1 electrician 3 that struggles against operates aerial lift device with insulated arm and makes equipotential electrician return to ground, packs up arm, and then cleaning work is on-the-spot, Work tool is arranged dress bag, checks that work-yard is without any legacy.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (5)
1. a 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method, is characterized in that, comprise the steps:
First carry out ground connection before the operation of SS1 aerial lift device with insulated arm, operating personnel dresses a complete set of screening clothing and climbs up working bucket, carries out good electrical be connected between screening clothing with working bucket with annealed copper wire;
Human users's aerial lift device with insulated arm lift-off in SS2 bucket, near manipulation working bucket to equal potential working position;
SS3 suspends mobile when working bucket distance of wire 40 centimetres, operating personnel completes potential transfer by electric potential transferring stick;
SS4 operating personnel controls working bucket contact electrification wire, and in bucket, personnel carry out upkeep operation;
SS5 live line working terminates, and operating personnel removes electric potential transferring stick and other all instruments, and operating personnel returns to ground.
2. a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method according to claim 1, is characterized in that, described aerial lift device with insulated arm is 500kV and above specification, and described working bucket is that metal material is made.
3. a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method according to claim 1, it is characterized in that, the grounding rule of the aerial lift device with insulated arm described in described step SS1 is: earth connection should be made up of the soft copper cash of minimum 4/0AWG, ground distance is not more than 25cm, and earth resistance is less than 25 ohm.
4. a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method according to claim 1, it is characterized in that, described step SS2 also comprises: when carrying out equal potential working, working bucket, live wire should be kept, operating personnel three keep good electrical connect namely be in same current potential.
5. a kind of 500kV power transmission line roadside phase conductor aerial lift device with insulated arm live line working method according to claim 1, it is characterized in that, equal potential working position described in described step SS2 is the outside that operating personnel is positioned at wire, if operation near linear insulator, then operating personnel's head must be no more than edge on grading ring; Described aerial lift device with insulated arm carries out equal potential working mutually during on limit, minimum safe distance is 3.4m over the ground, and alternate minimum safe distance is 5.0m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510061506.8A CN104659710B (en) | 2015-02-06 | 2015-02-06 | A kind of 500kV power transmission lines roadside phase conductor aerial lift device with insulated arm livewire work method |
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| CN201510061506.8A CN104659710B (en) | 2015-02-06 | 2015-02-06 | A kind of 500kV power transmission lines roadside phase conductor aerial lift device with insulated arm livewire work method |
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| CN104659710A true CN104659710A (en) | 2015-05-27 |
| CN104659710B CN104659710B (en) | 2017-09-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781924A (en) * | 2017-01-23 | 2017-05-31 | 中国电力科学研究院 | Extra high voltage line livewire work actual training device |
| CN115133452A (en) * | 2022-06-02 | 2022-09-30 | 国网山东省电力公司齐河县供电公司 | Full-coating type insulating bucket for live working |
| CN116131158A (en) * | 2023-04-04 | 2023-05-16 | 国网山东省电力公司潍坊供电公司 | Equipotential operation device and method for high-voltage transmission line |
| US11975625B2 (en) | 2019-09-03 | 2024-05-07 | Nodum Industries Ltd. | Cable support |
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| JPH0624694A (en) * | 1992-07-08 | 1994-02-01 | Yaskawa Electric Corp | Method of installing manipulator on bucket of power distribution work vehicle |
| JP2003189433A (en) * | 2001-12-19 | 2003-07-04 | Kyushu Electric Power Co Inc | Distribution line construction method and tool used therefor |
| CN101227068A (en) * | 2007-12-27 | 2008-07-23 | 国网武汉高压研究院 | Equipotential access method of alternating current ultra / super high-tension line live-line work and electric potential transferring stick |
| CN103474903A (en) * | 2013-09-09 | 2013-12-25 | 国家电网公司 | Method for entering 500kV common-tower double-circuit vertically-arranged compact transmission line equipotential |
| CN103683105A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Live working method of phase conductor insulating arm aerial platform truck under 66kV electric transmission line |
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2015
- 2015-02-06 CN CN201510061506.8A patent/CN104659710B/en active Active
Patent Citations (5)
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| JPH0624694A (en) * | 1992-07-08 | 1994-02-01 | Yaskawa Electric Corp | Method of installing manipulator on bucket of power distribution work vehicle |
| JP2003189433A (en) * | 2001-12-19 | 2003-07-04 | Kyushu Electric Power Co Inc | Distribution line construction method and tool used therefor |
| CN101227068A (en) * | 2007-12-27 | 2008-07-23 | 国网武汉高压研究院 | Equipotential access method of alternating current ultra / super high-tension line live-line work and electric potential transferring stick |
| CN103474903A (en) * | 2013-09-09 | 2013-12-25 | 国家电网公司 | Method for entering 500kV common-tower double-circuit vertically-arranged compact transmission line equipotential |
| CN103683105A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Live working method of phase conductor insulating arm aerial platform truck under 66kV electric transmission line |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781924A (en) * | 2017-01-23 | 2017-05-31 | 中国电力科学研究院 | Extra high voltage line livewire work actual training device |
| CN106781924B (en) * | 2017-01-23 | 2021-01-29 | 中国电力科学研究院 | Live working training device for extra-high voltage line |
| US11975625B2 (en) | 2019-09-03 | 2024-05-07 | Nodum Industries Ltd. | Cable support |
| CN115133452A (en) * | 2022-06-02 | 2022-09-30 | 国网山东省电力公司齐河县供电公司 | Full-coating type insulating bucket for live working |
| CN115133452B (en) * | 2022-06-02 | 2023-04-25 | 国网山东省电力公司齐河县供电公司 | Full-cladding insulating bucket for live working |
| CN116131158A (en) * | 2023-04-04 | 2023-05-16 | 国网山东省电力公司潍坊供电公司 | Equipotential operation device and method for high-voltage transmission line |
| CN116131158B (en) * | 2023-04-04 | 2023-06-23 | 国网山东省电力公司潍坊供电公司 | Equipotential operation device and method for high-voltage transmission line |
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| CN104659710B (en) | 2017-09-15 |
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Address after: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Co-patentee after: China Electric Power Research Institute Patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. MAINTENANCE BRANCH Co-patentee after: WUXI POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Address before: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Co-patentee before: China Electric Power Research Institute Patentee before: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Co-patentee before: WUXI POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Address after: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Co-patentee after: China Electric Power Research Institute Patentee after: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Co-patentee after: WUXI POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Address before: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Co-patentee before: China Electric Power Research Institute Patentee before: JIANGSU ELECTRIC POWER COMPANY MAINTENANCE BRANCH Co-patentee before: WUXI POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. |
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