CN103683105A - Live working method of phase conductor insulating arm aerial platform truck under 66kV electric transmission line - Google Patents

Live working method of phase conductor insulating arm aerial platform truck under 66kV electric transmission line Download PDF

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Publication number
CN103683105A
CN103683105A CN201310691248.2A CN201310691248A CN103683105A CN 103683105 A CN103683105 A CN 103683105A CN 201310691248 A CN201310691248 A CN 201310691248A CN 103683105 A CN103683105 A CN 103683105A
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CN
China
Prior art keywords
lift device
operating personnel
insulated arm
phase conductor
aerial lift
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.)
Pending
Application number
CN201310691248.2A
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Chinese (zh)
Inventor
刘明慧
于鑫
李晨明
叶丽军
胡玉涛
王昌春
张孝强
罗孝楚
李林
回嵩杉
王琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310691248.2A priority Critical patent/CN103683105A/en
Publication of CN103683105A publication Critical patent/CN103683105A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a live working method of a phase conductor insulating arm aerial platform truck under a 66kV electric transmission line. According to the live working method, an operator wears electric conductive shielding clothes to get on the insulating arm aerial platform truck, an insulating bucket of the insulating arm aerial platform truck is moved to the operation position nearby a 66kV electrified body, before the operator makes contact with an electrified loop for the first time, and potential shift is conducted through a potential shift rod connected to the insulating bucket of the insulating arm aerial platform truck; afterwards, the operator makes contact with the electrified body, 66kV related live working is carried out, after live working is completed, potential shift tools and all the other tools are dismantled by the operator, and the operator returns to the ground. With the help of the insulating arm aerial platform truck, 66kV live working can be conducted by the operator, the working strength is lightened, the labor condition is improved, and the live working efficiency is improved.

Description

A kind of phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line
Technical field
The present invention relates to a kind of live line working method of transmission line, particularly a kind of phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line.
Background technology
Because demand and the quality of electric energy proposed more and more higher requirement, interruption maintenance is difficult to carry out, thereby live line working becomes the important technical of line maintenance and construction, and 66kV circuit is because circuit gap is less, the earthy insulating bar working system of general main employing, and the traditional less employing of equal potential working method for the purpose of safety.There is the problems such as the large and operating efficiency of labour intensity is low in earthy insulating bar working system, and in current circuit O&M process, exists more than O&M circuit and the contradiction of operating personnel's deficiency.
In order to overcome above-mentioned deficiency, in live line working, adopted aerial lift device with insulated arm operation greatly improve operating efficiency and expanded events in operation, guaranteed the operational reliability of circuit.Aerial lift device with insulated arm is widely applied in China 10kV distribution network live line work, and present stage there is no and utilizes aerial lift device with insulated arm on 66kV transmission line, to carry out the beginning of live line working.
Summary of the invention
The object of the invention is to overcome the method weak point of existing 66kV live line working, and a kind of phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line has been proposed, by aerial work platform aerial lift device with insulated arm, operating personnel can be in the live line working of 66kV, by aerial lift device with insulated arm, carry out live line working, alleviate working strength, improved working condition, improved live line working efficiency.
A phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line, step is as follows: before (1) aerial lift device with insulated arm operation, first carry out ground connection, operating personnel climbs up aerial work platform; (2) aerial work platform moves to suitable job position; (3) before operating personnel's health contacts with electrified body, the potential transfer instrument of the braiding of aerial work platform is connected to energized circuit, one end of equipotential connection bonding tool is connected to the metal net shaped liner of bucket, the other end utilizes metal wire clamp to be connected to live wire, metal wire clamp adopts insulating bar to be fixed on wire, and every operating personnel at least uses a potential transfer line; (4) operating personnel's contact electrification body, carries out live line working; (5) live line working finishes, and operating personnel removes potential transfer instrument and other all instruments, and operating personnel returns to ground.
Described operating personnel must dress conduction clothes, safe wearing safety belt, and described operating personnel's both legs should be always in described job platform, and at least one pin is in the bottom of aerial work platform.
Described aerial work platform is aerial lift device with insulated arm.
The lifting arm of described aerial lift device with insulated arm should have upper arm and the dual control of underarm.
Before described aerial lift device with insulated arm operation, should carry out ground connection, earth connection should be by the super flexible copper cash of minimum 4/0AWG, and ground distance is not more than 25m, and earth resistance is less than 25 ohm.
Described live line working electric pressure is 66kV, and charged method is equal potential working.
Described job position be operating personnel in the outside of wire, operating personnel's head must just be positioned at wire top, during aerial lift device with insulated arm equal potential working, minimum safe distance is 0.7m, equal potential working personnel are 0.9m to the minimum range of adjacent wires.
Described potential transfer instrument is electric potential transferring stick or line, should keep good situation and its length should allow operating personnel to operate freedom.
Described electric potential transferring stick and line should be fixed the bottom at described job platform.
Compared with prior art, the invention has the beneficial effects as follows:
(1) can realize the circuit homework of equipotential and power failure;
(2) minimize circuit homework personnel's fatigue, the risk of injury and increase operating efficiency;
(3) reduce the demand of insulating ladder and insulating bar;
(4) having flexibly shoulder joint provides and has entered the job position that various conventional methods are difficult to enter;
(5) the few time needing;
(6) with respect to nonisulated arm car, utilization rate is higher.
Accompanying drawing explanation
Fig. 1 is the live line working method state diagram of the embodiment of the present invention.
In figure, 1, operating personnel, 2, aerial lift device with insulated arm, 3, potential transfer instrument, 4, electrified body.
Embodiment
Below in conjunction with embodiment, the present invention is described in more detail.
Embodiment
Phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line as shown in Figure 1, step is as follows: after (1) aerial lift device with insulated arm ground connection, operating personnel 1 dresses conductive shield clothes, climbs up aerial lift device with insulated arm 2; (2) aerial lift device with insulated arm 2 insulation buckets are moved to near the job position of 66kV electrified body 4, its job position is that operating personnel 1 is in the outside of wire, operating personnel 1 head must just be positioned at electrified body 4 tops, during edge bucket arm vehicle 2 equal potential working, minimum safe distance is 0.7m, and the minimum range of 1 pair of adjacent wires of equal potential working personnel is 0.9m; (3) operating personnel 1, before first contact electrification loop, adopts the potential transfer instrument that is connected to aerial lift device with insulated arm 2 to carry out potential transfer.Before operating personnel's 1 health contacts with electrified body 4, the potential transfer instrument 3 of the braiding of aerial lift device with insulated arm 2 is connected to energized circuit.When carrying out upkeep operation on loop, should guarantee to have at least the connection of remaining valid of a potential transfer instrument 3.Before energized conductor is opened, with a wire jumper with enough through-current capabilities, place the path that potential transfer line becomes short circuit current, potential transfer line comprises that ground tackle and wire clamp all should keep good situation and its length should allow operating personnel to operate freedom.Electric potential transferring stick or line should be fixed the bottom that prevents from dropping to aerial lift device with insulated arm 2 insulation buckets; (4) operating personnel's 1 contact electrification body 4, carries out the relevant live line working of 66kV; (5) live line working finishes, and operating personnel 1 removes potential transfer instrument and other all instruments, by bucket arm vehicle lifting arm, controls, and operating personnel 1 returns to ground.
This method is by calculating and simulate people's emulation experiment, determine phase conductor aerial lift device with insulated arm live line working electric field mode of entrance, the protection method of live line working, the safe distance of live line working under a set of 66kV transmission line and worked out the standardized work guiding book of phase conductor aerial lift device with insulated arm live line working under 66kV transmission line, effectively solve the problem existing, filled up the domestic blank in this field.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.It is same as the prior art that the present embodiment is not stated part.

Claims (7)

1. a phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line, is characterized in that step is as follows: (1) aerial lift device with insulated arm ground connection, and operating personnel climbs up aerial work platform; (2) aerial work platform moves to suitable job position; (3) before operating personnel's health contacts with electrified body, the potential transfer instrument of the braiding of aerial work platform is connected to energized circuit, one end of equipotential connection bonding tool is connected to the metal net shaped liner of bucket, the other end utilizes metal wire clamp to be connected to live wire, metal wire clamp adopts insulating bar to be fixed on wire, and every operating personnel uses a potential transfer line; (4) operating personnel's contact electrification body, carries out live line working; (5) live line working finishes, and operating personnel removes potential transfer instrument and other all instruments, and operating personnel returns to ground.
2. phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line according to claim 1, is characterized in that described operating personnel dresses conduction clothes, wear safety belt.
3. phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line according to claim 1, it is characterized in that described aerial work platform is aerial lift device with insulated arm, and its lifting arm should have upper arm and the dual control of underarm, before described aerial lift device with insulated arm operation, answer ground connection, earth connection is by the super flexible copper cash of minimum 4/0AWG, ground distance is not more than 25m, and earth resistance is less than 25 ohm.
4. phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line according to claim 1, is characterized in that described live line working electric pressure is 66kV, and charged method is equal potential working.
5. phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line according to claim 1, is characterized in that described job position is that operating personnel is in the outside of wire; Operating personnel's head must just be positioned at wire top, and during aerial lift device with insulated arm equal potential working, minimum safe distance is 0.7m, and equal potential working personnel are 0.9m to the minimum range of adjacent wires.
6. phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line according to claim 1, is characterized in that described potential transfer instrument is electric potential transferring stick or line.
7. phase conductor aerial lift device with insulated arm live line working method under 66kV transmission line according to claim 1, is characterized in that operating personnel's both legs should be always in aerial work platform, and at least one pin is in the bottom of aerial work platform.
CN201310691248.2A 2013-12-17 2013-12-17 Live working method of phase conductor insulating arm aerial platform truck under 66kV electric transmission line Pending CN103683105A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104283148A (en) * 2014-09-17 2015-01-14 国家电网公司 Aerial lift device with insulating arms for hot-line work of 66kV transmission line
CN104659710A (en) * 2015-02-06 2015-05-27 江苏省电力公司检修分公司 Live working method for 500kV power transmission line roadside phase lead insulating bucket boom tractor
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
CN108574230A (en) * 2018-04-24 2018-09-25 国家电网公司 A kind of live-working safety intelligence managing and control system
CN109143007A (en) * 2018-07-05 2019-01-04 国网山东省电力公司烟台供电公司 A kind of dedicated sink of aerial lift device with insulated arm working bucket liner pressure test and test method

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104283148A (en) * 2014-09-17 2015-01-14 国家电网公司 Aerial lift device with insulating arms for hot-line work of 66kV transmission line
CN104659710A (en) * 2015-02-06 2015-05-27 江苏省电力公司检修分公司 Live working method for 500kV power transmission line roadside phase lead insulating bucket boom tractor
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
CN108574230A (en) * 2018-04-24 2018-09-25 国家电网公司 A kind of live-working safety intelligence managing and control system
CN109143007A (en) * 2018-07-05 2019-01-04 国网山东省电力公司烟台供电公司 A kind of dedicated sink of aerial lift device with insulated arm working bucket liner pressure test and test method

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Application publication date: 20140326

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