CN107910808A - The downward Evacuation method of transmission line of electricity in the case of one kind is powered - Google Patents
The downward Evacuation method of transmission line of electricity in the case of one kind is powered Download PDFInfo
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- CN107910808A CN107910808A CN201711192127.8A CN201711192127A CN107910808A CN 107910808 A CN107910808 A CN 107910808A CN 201711192127 A CN201711192127 A CN 201711192127A CN 107910808 A CN107910808 A CN 107910808A
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- rescue
- personnel
- rope
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- equipotential
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
Abstract
The invention discloses it is a kind of it is powered in the case of the downward Evacuation method of transmission line of electricity, including：Equipotential rescue personnel carries the main rope of rescue and safe short rope is reached above the stranded conducting wire of trapped person, carries out self-protection；Equipotential rescue personnel sets personal protection station above operation, connects safe short rope：Ground rescue personnel will decline protector and is linked into safety belt protection ring in advance, locks and locks a door；After rescuing main rope fag end landing, anticreep knot is accomplished fluently, selects appropriate location to rescue main rope loaded on protector is declined, protection is carried out after self-test and is prepared；Equipotential rescue personnel, which carries, rescues main rope fag end, drops to trapped person position along safe short rope using protector is declined；The main lock connection safe back belt hanging point of trapped person of main rope fag end will be rescued；Equipotential rescue personnel cooperates with ground rescue personnel trapped person's stress being transferred to main rope：Ground rescue personnel at the uniform velocity discharges the main rope of rescue using protector is declined, and trapped person is evacuated downwards to ground, other rescue personnels of ground and scooped out, and completes rescue.
Description
Technical field
The invention discloses a kind of high-altitude circuit to evacuate downwards emergency management and rescue method, particularly it is a kind of it is powered in the case of it is defeated
The downward Evacuation method of electric line.
Background technology
In recent years, China's extra-high voltage, supergrid Large scale construction are gone into operation.Extra-high voltage, extra high voltage network have
Region span is wide, distance to the ground is high, path circumstances are complicated, " three across " are (logical across high-speed railway, highway and important transmission of electricity
Road) the features such as risk is big, meteorological disaster is changeable.The unit such as State Grid Corporation of China and each transmission line construction, O＆M works out, is real
A series of management and control measures of prevention high fallings are applied；But tower, cabling are stepped in transmission line of electricity, annex installation, tight unwrapping wire, is tested
During a large amount of working at height such as receipts, operating personnel is it is possible to because of burst feelings such as physical condition, operating environment, conducting wire torsions
Condition, occur high falling, by safety belt for a long time suspention in the air will produce suspention wound (safety belt suspention syndrome) and by
Consciousness is gradually lost, it is very urgent without self-saving ability, rescue time plus factors such as frightened, impact injuries.If fall generation
In " three across " the Great span section such as section or high mountain, valley, river, rescue difficulty is by bigger.Transmission line of electricity is located at field mostly
Remote districts, are limited, conventional high climber by the factor such as landform, microclimate, circuit is powered, conducting wire is elastic, road traffic
The rescue modes such as utensil, height rescue vehicle, helicopter suffer from limitation；
And build (structure) different from common high level because of transmission line high-altitude rescue and build rescue, rescue personnel generally requires to have
Special expertise, the Society rescue strength (People's Armed Police, fire brigade, rescue group among the people etc.) such as steel tower climbing, livewire work, conducting wire displacement are past
Deficiency is grasped toward to circuit height rescue special expertise, can not effectively implement rescue work.It is, therefore, desirable to provide one kind can be real
The rescue mode applied.
The content of the invention
Single loop of the present invention suitable for 330 kilovolts and the super of above, extra-high voltage alternating current-direct current transmission line of electricity
Under alternating current circuit, DC line or double loop alternating current circuit in phase operation process, rescue personnel falls, and safe back belt is hung
Operating personnel is suspended in below conducting wire (shaft tower) after point and falling protective rope stress, when losing the ability to act saved oneself, is carried
Go out a kind of rescue mode that he rescues, be specifically that transmission line of electricity evacuates downwards emergency management and rescue method under charged state, filled up me
The blank of state's transmission line high-altitude rescue.220 kilovolts and following transmission line of electricity can refer to execution.
The technical solution adopted by the present invention is：
The downward Evacuation method of transmission line of electricity in the case of one kind is powered, comprises the following steps：
Step 1 preparation arrangement
1.1 carry out site inspections, according to the inspection of the scene of a crime as a result, determining using Equipotential live working rescue into electric field side
Formula and rescue method；
1.2 determine that rescue personnel and rescue are combined：Specify the work director participated in rescue, specific responsibility guardian, rescue on tower
Help personnel, equipotential rescue personnel and ground rescue personnel；
1.3 scenes confirm rescue method：Scene is told somebody what one's real intentions are signature, and before rescue, all rescue personnels should be understood that action, work
Make the dangerous spot in flow, safety measure, work, and fulfil signature formality of telling somebody what one's real intentions are；
1.4 determine article requirements needed for operation
1.5 prepare Work tool
Analysis about Dangerous Point and the setting precautionary measures in the case of step 2 circuit is powered
2.1 prevent circuit automatic reclosing from analyzing and taking precautions against
2.2 prevent fault rod climbing tower from analyzing and taking precautions against
2.3 prevent change in weather from analyzing and taking precautions against
2.4 prevent the person gets an electric shock from analyzing and taking precautions against
2.5 prevent falling from high altitude from analyzing and taking precautions against
2.6 prevent high-altitude junk analysis and take precautions against
Workflow in the case of step 3 circuit is powered
3.1 rescue personnels enter working site, reach the suitable position of shaft tower；
3.2 live wind speed, moisture measurement are qualified, and after shaft tower information confirmation, application inactive line weight is reported to scheduling
Close a floodgate or DC line restarts function；
After 3.3 obtain scheduling grant, rescue director convenes rescue team member, specifies rescue method and the task division of labor,
Rescue personnel confirms；
Step 4 selects suitably to be rescued into Electric Field Mode
4.1 ground preparations
Rescue personnel, equipotential rescue personnel and ground rescue personnel are before being rescued on 4.2 towers, safe wearing cap；
And the dual control back belt type all-position safety band for having backup protection rope should be used；
4.3 equipotential rescue personnels carry the main rope of rescue and safe short rope is reached above the stranded conducting wire of trapped person, carry out
Self-protection；Rescue personnel completes relevant work on shaft tower and is responsible for monitoring on tower；
4.4 equipotential rescue personnels set personal protection station above operation, connect safe short rope；It is specific as follows：
A will be linked into conducting wire with the safe short rope that K locks；
B latches two self-protection K into conducting wire；
C sets up protection station on conducting wire with wirerope bandlet, two main locks, and (protection station rack sets optional two shaping bandlet generations
For), and two main locks of the main rope one end fag end through protection station will be rescued, fag end accomplishes fluently stevedore knot, with main lock hanging in rescue people
On member's safety belt, the main rope other end of smooth-going decentralization to entire rope to ground；
D is connected to oneself safety belt protection ring by protector is declined, and locks and locks a door, and installed in safe short rope and tightens remaining rope
It is locked after making decline protector stress；
Centre of body weight is transferred to below conducting wire by e；
4.5 ground rescue personnels will decline protector and are linked into safety belt protection ring in advance, lock and lock a door；Rescue main rope fag end
After landing, anticreep knot is accomplished fluently, selects appropriate location to rescue main rope loaded on protector is declined, protection is carried out after self-test and is prepared；
4.6 equipotential rescue personnels, which carry, rescues main rope fag end, stranded using declining protector along safe short rope and dropping to
Personnel positions；The main lock connection safe back belt hanging point of trapped person of main rope fag end will be rescued；
After 4.7 equipotential rescue personnels and ground rescue personnel communication are errorless, cooperate with and trapped person's stress is transferred to master
Rope：
A equipotential rescue personnel's both legs hold trapped person oxter, and firmly lifting upwards, makes trapped person rise on a small quantity；
B ground rescue personnel at the same time using protection act above standard, assist firmly and pay attention to receiving as far as possible by tightening protection rope
Rope；
C equipotentials rescue personnel releases trapped person and the connection of suspension protection rope, and trapped person's body wt is shifted
To the main rope of rescue；
4.8 ground rescue personnels at the uniform velocity discharge the main rope of rescue using protector is declined, and trapped person is evacuated downwards to ground
Face, other rescue personnels of ground scoop out, and complete rescue.
Step 5 equipotential rescue personnel removes rescue tool, and carrying instrument exits electric field, and ground rescue personnel arranges rescue
Work tool, rescue director reports scheduling application recovery circuit re-switching or DC line restarts function, and rescue terminates ending.
Further, when backup protection rope is more than 3m, buffer should be used.
Further, should match somebody with somebody apart from operation of the ground more than 80 meters or Great span, extreme terrain operation, every rescue personnel
Standby reliable communication tool (such as intercom with Earphone with microphone), keeps in communication unimpeded with care provider.
Further, working at height is carried out under low temperature or hot environment, warming or measures of heat control should be taken.
Further, livewire work should strictly observe livewire work relevant regulations.
Further, when conducting wire where indicator of trapped personnel does not twist, rescue personnel is directly reached stranded by cabling
Personnel positions are rescued；When conducting wire where indicator of trapped personnel twists, according to arrangement of conductor, may be selected in the following manner into
Enter trapped person position to be rescued：
1) the horizontally arranged mode of conducting wires (single loop, direct current)：Rescue personnel is outstanding by the ground wire (or optical cable) above conducting wire
The instruments such as coaster, terraced head, rope ladder are hung to be rescued into indicator of trapped personnel position by ground；
2) conducting wires vertical arrangement：Indicator of trapped personnel in lower phase conductor, rescue personnel by ground wire (or optical cable), on
Mutually or middle phase conductor hangs the instruments such as coaster, terraced head, rope ladder and is rescued by ground into indicator of trapped personnel position；Indicator of trapped personnel exists
When upper phase, middle phase conductor, consideration personnel, job safety need to carry out rescue work under power-off condition.
3) rescue is carried out in the case of is powered, personnel, Work tool etc. should meet the safety requirements of livewire work.
Beneficial effects of the present invention are as follows：
The rescue method be suitable for it is powered in the case of rescue, the rescue mode is simple, and cost is than relatively low, applicability ratio
Preferably.Have a power failure in the case of powered without equipment, it is ensured that continuously power to user, do not influence economy operation of power grid mode, improve
The reliability of power grid power supply, avoid because rescue personnel need to carry out line outage and caused by lose.
With the rapid development of the national economy, it is growing to electricity needs, carry out rescue in the case of powered and just seem outstanding
To be important, to ensuring Shandong's Economic Development main artery safe and stable operation, dynamic improves part shortage of electric power region wire power transmission
Load, alleviates shortage of electric power situation, ensures economic development electricity needs, ensures that the people's livelihood is stabilized, safeguards social harmony, promotes economy
Development is of great significance；Intelligent grid can progressively be shown at the same time and build effect, improve power grid enterprises' social responsibility image, thus
Good social benefit can be brought；
The rescue mode of the present invention, height rescue personnel dress screening clothing, can ensure that height rescue personnel will not be because touching
Electricity and accident occurs, and the insulating bar of the enough insulated lengths of carrying can greatly ensure height rescue personnel in powered work
Safety in the case of industry.Rescue mode using the present invention, rescues speed faster, and security higher.
Brief description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are used to explain the application, do not form the improper restriction to the application.
The implementation schematic diagram of Fig. 1 present invention.
Embodiment
It is noted that described further below is all illustrative, it is intended to provides further instruction to the application.It is unless another
Indicate, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
The invention discloses trapped person's rescue mode in the case of a kind of livewire work is specific as follows：
First, preparation arrangement
(1) clear and definite rescue method：Site inspection is carried out, according to the inspection of the scene of a crime as a result, determining to use Equipotential live working
Rescue into Electric Field Mode and rescue method.
(2) operating personnel and organization of labours are determined：Specify the work director participated in rescue, specific responsibility guardian, rescue on tower
Help personnel, equipotential rescue personnel and ground rescue personnel.
(3) work out, examine rescue method：Rescue method is worked out, fulfils examination and approval procedures.Before rescue, all rescue personnels should
The dangerous spot in action, workflow, safety measure, work is specified, and fulfils confirmation formality.
(4) article requirements needed for operation are determined：1. the live line tool selected, specification, quantity, selection are correct, prevention
Property experiment label it is complete, it is and before the deadline, qualified through visual examination and electrically detection.2. the instrumentation specification selected, read
Number is correct, and range meets the requirements, before the deadline.3. the material specification selected is correct, satisfactory quality.
(5) Work tool is prepared：According to prepare to meet the requirements into Electric Field Mode and rescue method Work tool (three kinds commonly use into
Electric Field Mode is respectively to be shown in Table 1-3 across two short three methods, rope ladder method and swing method, its required Work tool).
Table 1 is across two short three into electric field outfit
2 rope ladder method of table is into electric field outfit
3 swing method of table is into electric field outfit
Requirement of the part to rescue personnel be：
(1) rescue personnel's state of mind should be good.
(2) qualification of staff：1. identified through doctor, the illness of work without prejudice.2. possesses necessary electric knowledge
With livewire work technical ability, possess necessary safety in production knowledge, learn emergency first aid, first aid of particularly getting an electric shock.3. hold band
The electric operation training quality certification, and it is on duty through production unit approval.
2nd, Analysis about Dangerous Point and the precautionary measures in the case of circuit is powered
2.1 prevent circuit automatic reclosing
(1) before work starts, work director should contact with regulation and control personnel on duty, and application disables automatic reclosing.Obtain
After dispatching the order that the circuit has disabled reclosing and permitted work to start, it can start to work.After livewire work should and
When to regulation and control personnel on duty report.
(2) during livewire work in case of equipment has a power failure suddenly, it is still powered that operating personnel should regard equipment.Work director
Answering as early as possible must not strong power transmission before not getting in touch with work director with dispatch contact, regulation and control personnel on duty.
2.2 prevent fault rod climbing tower：
(1) line name, tower number, colour code, separate is checked：×× kV ××s line, tower ××；Colour code：××；×× phase
(×× phase).The director that works confirms that job site is correct, can step on tower and work.
2.3 prevent change in weather
(1) livewire work should carry out under good weather.Such as thunder and lightning (hear thunder, see lightning), snow, hail, rain, mist
Deng inaccurate to carry out livewire work.Wind-force be more than 5 grades, or humidity be more than 80% when, should not generally carry out livewire work.
2.4 prevent personal electric shock
(1) rescue personnel answers a full set of screening clothing of wearing test qualification, each position connection on equipotential rescue personnel and tower
Well.Equipotential rescue personnel must wear a full set of fire-retardant underwear in screening clothing.With universal meter detection screening clothing electricity before work
Hinder, resistance is not greater than 20 Ω between screening clothing distalmost end.
(2) live line tool in transit, should be mounted in dedicated kit bag, to prevent making moist and damaging.Into operation
The live line tool used, should be placed on moisture-proof canvas by scene, prevent that insulating tool is dirty in use and makes moist.
Before use, the experiment complete qualification of label is gone through, in the preventive trial term of validity.Confirmation instrument is not damaged, makes moist, become
Shape, failure, otherwise forbid using.And insulating tool is wiped with the towel of dry cleansing, is checked, shaken with 5000V insulation
Table carries out graded insulation detection (the wide 2cm of electrode, the wide 2cm of interpolar), and insulation resistance is not less than 700M Ω, is answered when operating insulating tool
Wear the dry gloves of cleaning.
(3) rescue personnel, which should be noted that, during livewire work, on equipotential rescue personnel and tower reduces operational motion amplitude.Work
Director should strictly guard rescue personnel on equipotential or tower and keep enough safe distances, such as following table with grounding body or electrical body
It is shown.
The safe distance of the person and electrical body during table livewire work
(4) effective length of insulating bar, insulation bearing tool and insulation ropes cannot be less than shown in following table.
The minimum effective insulated lengths of table insulating tool
(5) equipotential rescue personnel should check again for each portion's connection of screening clothing and confirm well before electric field is passed in and out, and deserved
To the license of work director.
(6) when equipotential rescue personnel passes in and out electric field, its combination formed with grounding body and electrical body two parts gap
It is not allowed to be less than following table regulation in gap.
Minimum combination gap in table equipotential live line work
(7) proper use of megameter and universal meter, wiring is correct, prevents the high-voltage electric shock occurred in use.
2.5 prevent falling from high altitude
(1) before rescue personnel steps on tower on tower, should first check the root, basis and bracing wire of shaft tower whether firmly, foot nail (or climbs
Ladder) it is whether complete；During working at height, safety belt is hung on the firm component of shaft tower, should prevent safety belt from being damaged by sharp thing.Make
When industry, indexing, hand steered component should be firm, and must not lose the protection of safety belt.Before carrying out the work on cross-arm, horizontal stroke should be checked
Load is connected firmly situation, and safety belt should be tied up on firm component during inspection.
(2) before equipotential rescue personnel climbs up scholar's word ladder or insulated flexible ladder, ground staff should tense insulation drawstring or compression
Rope ladder, equipotential rescue personnel should carry out impact test to scholar's word ladder, rope ladder.
2.6 prevent high-altitude junk
(1) high-rise working should use kit bag, and larger instrument should be fixed on firm component, inaccurate at will to leave about.
(2) height rescue personnel use Work tool, material etc. should be mounted in kit bag, and hand-held Work tool application tied rope is tied up
Prick, prevent from dropping.Rope should be used by transmitting object, must not be tossed, sling will tie, and transmission rope should be suspended on the firm structure of steel tower
On frame.
(3) on-site personnel must correct safe wearing cap.Ground rescue personnel must not stand in the case where operating location is vertical
Side, high-altitude junk area must not irrelevant personnel pass through or stay.
3rd, workflow in the case of circuit is powered
3.1 rescue personnels enter working site, reach the suitable position of shaft tower.
3.2 live wind speed, moisture measurement are qualified, and after shaft tower information confirmation, application inactive line weight is reported to scheduling
Close a floodgate (or DC line restarts function).
After 3.3 obtain scheduling grant, rescue director convenes rescue team member, specifies rescue method and the task division of labor,
Rescue personnel confirms.
3.4 three kinds of uses are common to enter electric field into Electric Field Mode
First method：Across two short three methods (DC line does not use the method)
(1) ground preparation
1. rescue personnel carries canvas to the suitable position of working site on ground rescue personnel, tower, complete canvas and incite somebody to action
Work tool is carried on canvas and put neat.
2. ground rescue personnel wipes insulating bar with dry towel；Ground rescue personnel on tower with rescuing
Personnel, which cooperate, is detected insulation backup protection rope, insulating bar etc. with 5000V insulating meggers, and people is rescued by ground
Member, which will shake, surveys result report rescue director.
3. rescue personnel puts on screening clothing on ground rescue personnel assistance equipotential rescue personnel, tower, with universal meter to screen
Cover the resistance taken between farthest two-end-point to measure, and measurement result is reported into rescue director by gauger；Rescue is responsible for
People checks screening clothing connection.
After 4. ground rescue personnel checks that inferior insulator zero-detection instrument is intact, on insulating bar, make its connection
Reliably.
(2) rescue personnel, equipotential rescue personnel climb shaft tower on tower
1. before stepping on tower, rescue director again to rescue personnel on tower, equipotential rescue personnel's screening clothing connection into
Row checks, orders to start to step on tower after inspection is errorless.
2. rescue personnel carries insulating bar (band inferior insulator zero-detection instrument) and steps on tower on tower, go to operation phase cross-arm
When, after the dual title of verification circuit and colour code are errorless again, operation phase cross-arm of being allowed for access.Safety is tied in position
Band, checks the connection of shaft tower insulator hardware.
(3) insulator zero-detection
1. rescue personnel detects insulator chain with insulator inspector piecewise on tower, detection ordering is from leading
Line end starts successively to cross-arm side, during such as low value or zero resistance insulator, should be repeatedly detected, to be determined to insulate for null value, low value
The period of the day from 11 p.m. to 1 a.m, that is, the director that reports the work make a record.
2. often string good insulation sub-pieces number must not be less than regulatory requirements.
The minimum the piece number of table good insulation
(4) banding insulation backup protection rope
1. equipotential rescue personnel carries insulation backup protection rope and steps at tower to insulator hanging wire point, standby of insulating is bound
Protection rope.
2. rescue personnel assists equipotential rescue personnel to check the firm situation of binding of insulation standby rope on tower, confirm errorless
Backward work director reports inspection situation.
(5) highfield is entered
1. equipotential rescue personnel enters insulator chain to work director's application, used after being permitted " across two short three "
Method slowly advance from ground potential to high potential along strain insulator string.
2. equipotential rescue personnel is close to (as shown in the table) when pressing shading ring to certain distance, to rescue director Shen
Please equipotential, obtain rescue director license into highfield order after, equipotential rescue personnel catches rapidly insulator chain
Shading ring, completes equipotential action.
The minimum range of human body exposed part and electrical body when table equipotential live line work shifts current potential
| Voltage class kV | 330、500 | ±500 | 750、1000 |
| Distance m | 0.4 | 0.4 | 0.5 |
(6) equipotential rescue personnel carries out self-protection, carries instrument cabling to setting；
(7) rescue work is carried out；
1. rescue personnel, equipotential rescue personnel and ground rescue personnel are before being rescued on tower, safe wearing cap；And
The dual control back belt type all-position safety band for having backup protection rope or speed difference self-locking device should be used；
2. the equipotential rescue personnel main rope of carrying rescue and safe short rope reach the stranded upper Square wire of trapped person, carry out certainly
I protects；Rescue personnel completes relevant work on shaft tower and is responsible for observation on tower；
3. equipotential rescue personnel sets personal protection station above operation, safe short rope is connected：It is specific as follows：
3-1 will be linked into conducting wire with the safe short rope that K locks；
3-2 latches two self-protection K into conducting wire；
3-3 sets up protection station on conducting wire with wirerope bandlet, two main locks, and (protection station rack sets optional two shapings bandlet
Instead of), and two main locks of the main rope one end fag end through protection station will be rescued, fag end is accomplished fluently stevedore knot, is being rescued with main lock hanging
On personnel safety band, the main rope other end of smooth-going decentralization to entire rope to ground；
3-4 is connected to oneself safety belt protection ring by protector is declined, and locks and locks a door, more than safe short rope and tightening
Rope is locked after making decline protector stress；
Centre of body weight is transferred to below conducting wire by 3-5；
4. ground rescue personnel will decline protector in advance is linked into safety belt protection ring, locks and lock a door；Rescue main rope fag end
After landing, anticreep knot is accomplished fluently, selects appropriate location to rescue main rope loaded on protector is declined, protection is carried out after self-test and is prepared；
5. equipotential rescue personnel, which carries, rescues main rope fag end, oppressive using declining protector along safe short rope and dropping to
Member position；The main lock connection safe back belt hanging point of trapped person of main rope fag end will be rescued；
After 6. equipotential rescue personnel and ground rescue personnel communication are errorless, cooperate with and trapped person's stress is transferred to master
Rope：
6-1 equipotential rescue personnel's both legs hold trapped person oxter, firmly upwards lifting, make trapped person it is a small amount of on
Rise；
6-2 ground rescue personnel at the same time using protection act above standard, assist firmly and pay attention to as far as possible by tightening protection rope
Rope closing；
6-3 equipotentials rescue personnel releases trapped person and the connection of suspension protection rope, and captive body wt is shifted
To the main rope of rescue；
7. ground rescue personnel at the uniform velocity discharges the main rope of rescue using protector is declined, trapped person is evacuated downwards to ground
Face, other ground rescue personnel scoop out, and complete rescue.
(8) equipotential rescue personnel carries instrument cabling and returns；
(9) highfield is exited
1. equipotential rescue personnel checks on conducting wire, on shading ring without Work tool, the material etc. left, to rescue director
Report, after rescue director's confirmation is errorless, order to exit highfield.
When 2. equipotential rescue personnel is away from electrical body certain distance (as shown in the table), electric field is exited in application, negative through rescuing
After blaming people's license, equipotential rescue personnel hand unclamps rapidly insulator chain shading ring, and highfield action is exited in completion.
The minimum range of human body exposed part and electrical body when table equipotential live line work shifts current potential
| Voltage class kV | 330、500 | ±500 | 750、1000 |
| Distance m | 0.4 | 0.4 | 0.5 |
3. equipotential rescue personnel from high potential to ground potential using " slowly moving by the way of two short three ", exit electricity
.
(10) tower under scene, personnel is checked
1. rescue director checks on shaft tower, on conducting wire without Work tool, the material etc. left, rescue personnel on order tower,
Tower under equipotential rescue personnel；
2. rescue personnel, equipotential rescue personnel carry insulation backup protection rope, insulating bar (band insulation inferior on tower
Sub- zero-detection instrument), tower under rescue tool.
Second method rope ladder method
(1) ground preparation
1. rescue personnel carries canvas to the suitable position of working site on ground rescue personnel, tower, complete canvas and incite somebody to action
Work tool is carried on canvas and put neat.
Insulating cord, insulated flexible ladder etc. are carried out with 5000V insulating meggers to shake survey 2. ground rescue personnel cooperates, and will
As a result rescue director is reported.
3. rescue personnel puts on screening clothing on ground rescue personnel assistance equipotential rescue personnel, tower, with universal meter to screen
Cover the resistance taken between farthest two-end-point to measure, and measurement result is reported into rescue director by gauger；Rescue is responsible for
People checks screening clothing connection.
(2) rescue personnel steps on tower on tower
1. before stepping on tower, rescue director again to rescue personnel on tower, equipotential rescue personnel's screening clothing connection into
Row checks, orders to start to step on tower after inspection is errorless.
2. rescue personnel is carried at insulation transmission rope row to operation phase cross-arm on tower, the dual title of circuit is checked again
And after colour code is errorless, operation phase cross-arm of being allowed for access, fastens seat belts, insulation transmission rope is hung up properly in suitable position.
(3) tool for transmitting
1. rope ladder is fixed in insulation transmission rope by ground rescue personnel, suitable position is transferred to, rescue personnel will on tower
Rope ladder is fixed on cross-arm appropriate location.
(4) rope ladder is climbed
1. ground rescue personnel does back-up protection with insulation transmission rope and transmits equipotential rescue personnel safety belt and insulation
Rope is reliably connected.
2. ground rescue personnel carries out pressure testing to insulated flexible ladder, confirm that safe and reliable backward rescue director reports.
3. confirming that rope ladder can rearward, equipotential rescue personnel starts to climb rope ladder.
(5) highfield is entered
When 1. equipotential rescue personnel climbs rope ladder to certain distance (as shown in the table), apply for equipotential, rescued
After director's license, conducting wire is caught to complete equipotential action rapidly.
The minimum range of human body exposed part and electrical body when table equipotential live line work shifts current potential
| Voltage class kV | 330、500 | ±500 | 750、1000 |
| Distance m | 0.4 | 0.4 | 0.5 |
2. equipotential rescue personnel ties safety belt after being sitting on conducting wire, untie insulation transmission rope and be fixed on conducting wire
On, reported to rescue director.
(6) equipotential rescue personnel ties two-insurance safety belt, carries instrument cabling to setting；
(7) rescue work is carried out；
1. rescue personnel, equipotential rescue personnel and ground rescue personnel are before being rescued on tower, safe wearing cap；And
The dual control back belt type all-position safety band for having backup protection rope or speed difference self-locking device should be used；
2. the equipotential rescue personnel main rope of carrying rescue and safe short rope reach the stranded upper Square wire of trapped person, carry out certainly
I protects；Rescue personnel completes relevant work on shaft tower and is responsible for observation on tower；
3. equipotential rescue personnel sets personal protection station above operation, safe short rope is connected：It is specific as follows：
3-1 will be linked into conducting wire with the safe short rope that K locks；
3-2 latches two self-protection K into conducting wire；
3-3 sets up protection station on conducting wire with wirerope bandlet, two main locks, and (protection station rack sets optional two shapings bandlet
Instead of), and two main locks of the main rope one end fag end through protection station will be rescued, fag end is accomplished fluently stevedore knot, is being rescued with main lock hanging
On personnel safety band, the main rope other end of smooth-going decentralization to entire rope to ground；
3-4 is connected to oneself safety belt protection ring by protector is declined, and locks and locks a door, more than safe short rope and tightening
Rope is locked after making decline protector stress；
Centre of body weight is transferred to below conducting wire by 3-5；
4. ground rescue personnel will decline protector in advance is linked into safety belt protection ring, locks and lock a door；Rescue main rope fag end
After landing, anticreep knot is accomplished fluently, selects appropriate location to rescue main rope loaded on protector is declined, protection is carried out after self-test and is prepared；
5. equipotential rescue personnel, which carries, rescues main rope fag end, oppressive using declining protector along safe short rope and dropping to
Member position；The main lock connection safe back belt hanging point of trapped person of main rope fag end will be rescued；
After 6. equipotential rescue personnel and ground rescue personnel communication are errorless, cooperate with and trapped person's stress is transferred to master
Rope：
6-1 equipotential rescue personnel's both legs hold trapped person oxter, firmly upwards lifting, make trapped person it is a small amount of on
Rise；
6-2 ground rescue personnel at the same time using protection act above standard, assist firmly and pay attention to as far as possible by tightening protection rope
Rope closing；
6-3 equipotentials rescue personnel releases trapped person and the connection of suspension protection rope, and captive body wt is shifted
To the main rope of rescue；
7. ground rescue personnel at the uniform velocity discharges the main rope of rescue using protector is declined, trapped person is evacuated downwards to ground
Face, other ground rescue personnel scoop out, and complete rescue.
(8) equipotential rescue personnel carries instrument cabling and returns；
(9) highfield is exited
1. equipotential rescue personnel checks on conducting wire, on shading ring without Work tool, the material etc. left, to rescue director
Report, after rescue director's confirmation is errorless, order to exit highfield.
2. equipotential rescue personnel will insulate, transmission rope does back-up protection and is fixed on safety belt suitable position, releases to prick and is leading
Safety belt on line, climbs up rope ladder and exits electric field preparation.
When 3. equipotential rescue personnel is away from electrical body certain distance (as shown in the table), electric field is exited in application, is rescued
Rapid after director's license to depart from conducting wire, highfield action is exited in completion, and returns to ground along insulated flexible ladder.
The minimum range of human body exposed part and electrical body when table equipotential live line work shifts current potential
| Voltage class kV | 330、500 | ±500 | 750、1000 |
| Distance m | 0.4 | 0.4 | 0.5 |
(10) tower under scene, personnel is checked
1. rescue director checks on shaft tower, on conducting wire without Work tool, the material etc. left, on order tower under rescue personnel
Tower.
2. rescue personnel carries tower under insulating cord, rescue tool on tower.
The third method swing method
(1) ground preparation
1. rescue personnel carries canvas to the suitable position of working site on ground rescue personnel, tower, complete canvas and incite somebody to action
Work tool is carried on canvas and put neat.
2. ground rescue personnel cooperates with 5000V insulating meggers to insulating cord, insulation swing rope, insulation backup protection rope
Carry out shaking survey Deng insulating tool etc., and result is reported rescue director.
3. rescue personnel puts on screening clothing on ground rescue personnel assistance equipotential rescue personnel, tower, with universal meter to screen
Cover the resistance taken between farthest two-end-point to measure, and measurement result is reported into rescue director by gauger；Rescue is responsible for
People checks screening clothing connection.
(2) rescue personnel, equipotential rescue personnel climb shaft tower on tower
1. before stepping on tower, rescue director again to rescue personnel on tower, equipotential rescue personnel's screening clothing connection into
Row checks, orders to start to step on tower after inspection is errorless.
2. rescue personnel is carried at insulation transmission rope row to operation phase cross-arm on tower, the dual title of circuit is checked again
And after colour code is errorless, operation phase cross-arm of being allowed for access, fastens seat belts, insulation transmission rope is hung up properly in suitable position.
(3) transmission, suspension, pressure testing, climb up scholar's word ladder
1. ground rescue personnel is put 1-2 pulley blocks, scholar's word ladder, insulation backup protection rope and insulation using insulation transmission rope
Rope is transferred to cross-arm.1-2 pulley blocks are secured in place by rescue personnel on tower, and carry out inspection, it is ensured that firmly；Rescued on tower
The personnel of helping measure and fix insulation swing rope and backup protection rope；Tackle pulley and scholar's word ladder are reliably connected by equipotential rescue personnel
Check that errorless backward rescue director reports, the equipotential rescue personnel that orders after rescue director confirms safety climbs up scholar's word ladder
Do the preparation into electric field.
2. ground rescue personnel tightens 1-2 pulley blocks insulation drawstring.
3. equipotential rescue personnel will insulate, backup protection rope is hung up properly, and climbs scholar's word ladder, the qualified backward rescue of impact test
Director reports, the at the uniform velocity loose pulley blocks insulating cord of the ground rescue personnel that orders after rescue director's confirmation is errorless.
(4) highfield is entered
When 1. equipotential rescue personnel climbs rope ladder to certain distance (as shown in the table), apply for equipotential, rescued
After director's license, conducting wire is caught to complete equipotential action rapidly.
The minimum range of human body exposed part and electrical body when table equipotential live line work shifts current potential
| Voltage class kV | 330、500 | ±500 | 750、1000 |
| Distance m | 0.4 | 0.4 | 0.5 |
2. equipotential rescue personnel ties safety belt after being sitting on conducting wire, untie insulation backup protection rope and be fixed on and lead
On line, reported to rescue director.
(5) equipotential rescue personnel ties two-insurance safety belt, carries instrument cabling to setting；
(6) rescue work is carried out；
1. rescue personnel, equipotential rescue personnel and ground rescue personnel are before being rescued on tower, safe wearing cap；And
The dual control back belt type all-position safety band for having backup protection rope or speed difference self-locking device should be used；
2. the equipotential rescue personnel main rope of carrying rescue and safe short rope reach the stranded upper Square wire of trapped person, carry out certainly
I protects；Rescue personnel completes relevant work on shaft tower and is responsible for observation on tower；
3. equipotential rescue personnel sets personal protection station above operation, safe short rope is connected：It is specific as follows：
3-1 will be linked into conducting wire with the safe short rope that K locks；
3-2 latches two self-protection K into conducting wire；
3-3 sets up protection station on conducting wire with wirerope bandlet, two main locks, and (protection station rack sets optional two shapings bandlet
Instead of), and two main locks of the main rope one end fag end through protection station will be rescued, fag end is accomplished fluently stevedore knot, is being rescued with main lock hanging
On personnel safety band, the main rope other end of smooth-going decentralization to entire rope to ground；
3-4 is connected to oneself safety belt protection ring by protector is declined, and locks and locks a door, more than safe short rope and tightening
Rope is locked after making decline protector stress；
Centre of body weight is transferred to below conducting wire by 3-5；
4. ground rescue personnel will decline protector in advance is linked into safety belt protection ring, locks and lock a door；Rescue main rope fag end
After landing, anticreep knot is accomplished fluently, selects appropriate location to rescue main rope loaded on protector is declined, protection is carried out after self-test and is prepared；
5. equipotential rescue personnel, which carries, rescues main rope fag end, oppressive using declining protector along safe short rope and dropping to
Member position；The main lock connection safe back belt hanging point of trapped person of main rope fag end will be rescued；
After 6. equipotential rescue personnel and ground rescue personnel communication are errorless, cooperate with and trapped person's stress is transferred to master
Rope：
6-1 equipotential rescue personnel's both legs hold trapped person oxter, firmly upwards lifting, make trapped person it is a small amount of on
Rise；
6-2 ground rescue personnel at the same time using protection act above standard, assist firmly and pay attention to as far as possible by tightening protection rope
Rope closing；
6-3 equipotentials rescue personnel releases trapped person and the connection of suspension protection rope, and captive body wt is shifted
To the main rope of rescue；
7. ground rescue personnel at the uniform velocity discharges the main rope of rescue using protector is declined, trapped person is evacuated downwards to ground
Face, other ground rescue personnel scoop out, and complete rescue.
(7) equipotential rescue personnel carries instrument cabling and returns；
(8) highfield is exited
1. equipotential rescue personnel checks the Work tool that nothing is left on conducting wire, material etc., reported to rescue director, rescue
After director's confirmation is errorless, order to exit highfield.
2. equipotential rescue personnel will insulate, backup protection rope is fixed on safety belt suitable position, releases and pricks on conducting wire
Safety belt, climbs up scholar's word ladder and exits electric field preparation.
When 3. equipotential rescue personnel is away from electrical body certain distance (as shown in the table), electric field is exited in application, negative through working
After blaming people's license, hand unclamps rapidly conducting wire, exits highfield.
The minimum range of human body exposed part and electrical body when table equipotential live line work shifts current potential
| Voltage class kV | 330、500 | ±500 | 750、1000 |
| Distance m | 0.4 | 0.4 | 0.5 |
4. ground rescue personnel pulls rapidly 1-2 pulley blocks insulation drawstring, equipotential rescue personnel is sent out into highfield.
(9) tower under scene, personnel is checked
1. on tower rescue personnel using insulation transmission rope bound 1-2 pulley blocks, scholar's word ladder, insulation backup protection rope and absolutely
Edge swing rope, by ground, rescue personnel reaches ground.
2. rescue director checks on shaft tower, on conducting wire without Work tool, the material etc. left, on order tower and equipotential is rescued
Help tower under personnel.
3. rescue personnel, equipotential rescue personnel carry tower under insulation transmission rope, rescue tool on tower.
4th, rescue terminates ending
Ground rescue personnel, which arranges, rescues Work tool, rescue director's report scheduling application recovery circuit re-switching (or it is straight
Flow Line restarts function), rescue terminates ending.
Further, when conducting wire where indicator of trapped personnel does not twist, rescue personnel is directly reached stranded by cabling
Personnel positions are rescued；When conducting wire where indicator of trapped personnel twists, according to arrangement of conductor, may be selected in the following manner into
Enter trapped person position to be rescued.
1. the horizontally arranged mode of conducting wire (single loop, direct current)：Rescue personnel is outstanding by the ground wire (or optical cable) above conducting wire
The instruments such as coaster, terraced head, rope ladder are hung to be rescued into indicator of trapped personnel position by ground；
2. conducting wire vertical arrangement：For indicator of trapped personnel in lower phase conductor, rescue personnel passes through ground wire (or optical cable), upper phase
Or the instrument such as middle phase conductor suspension coaster, terraced head, rope ladder is rescued by ground into indicator of trapped personnel position；Indicator of trapped personnel is upper
When phase, middle phase conductor, consideration personnel, job safety need to carry out rescue work under power-off condition.
3. carrying out rescue in the case of powered, personnel, Work tool etc. should meet the safety requirements of livewire work.
The rescue bag of above-mentioned rescue mode is as follows：
| 3 | Gloves | 1 | It is secondary |
| 5 | Dropping preventer | 1 | It is a |
| 9 | Main lock | 8 |
| 15 | Head lamp | 1 | It is a |
| 16 | Goggles | 1 | It is a |
| 19 | Short chain connects | 3 | Set |
| 24 | Rope | Static(al) rope length 70m diameters 11mm | 2 | Bar |
| 25 | Protect rope sling | 4 | It is a |
| 26 | Rope bag | Bucket bag | 2 | It is a |
| 27 | Ground cloth | 2 |
| 28 | Intercom | 3 | It is a |
Specific equipment is introduced：
Although above-mentioned be described the embodiment of the present invention with reference to attached drawing, model not is protected to the present invention
The limitation enclosed, those skilled in the art should understand that, on the basis of technical scheme, those skilled in the art are not
Need to make the creative labor the various modifications that can be made or deformation still within protection scope of the present invention.
Claims (8)
- The downward Evacuation method of transmission line of electricity in the case of 1. one kind is powered, it is characterised in that comprise the following steps：Step 1 preparation arrangement1.1 clear and definite rescue methods：Site inspection is carried out, according to the inspection of the scene of a crime as a result, determining to rescue using Equipotential live working Into Electric Field Mode and rescue method；1.2 determine operating personnel and organization of labours：Specify the work director participated in rescue, specific responsibility guardian, rescue people on tower Member, equipotential rescue personnel and ground rescue personnel；1.3 establishments, examination ＆ approval rescue method：Rescue method is worked out, fulfils examination and approval procedures；Before rescue, all rescue personnels should be understood that Dangerous spot in action, workflow, safety measure, work, and fulfil confirmation formality；1.4 determine article requirements needed for operation；1.5 prepare Work tool；Analysis about Dangerous Point and the setting precautionary measures in the case of step 2 circuit is powered2.1 prevent circuit automatic reclosing from analyzing and taking precautions against；2.2 prevent fault rod climbing tower from analyzing and taking precautions against；2.3 prevent change in weather from analyzing and taking precautions against；2.4 prevent the person gets an electric shock from analyzing and taking precautions against；2.5 prevent falling from high altitude from analyzing and taking precautions against；2.6 prevent high-altitude junk analysis and take precautions against；Workflow in the case of step 3 circuit is powered3.1 rescue personnels enter working site, reach the suitable position of shaft tower；3.2 live wind speed, moisture measurement are qualified, and after shaft tower information confirmation, application inactive line reclosing is reported to scheduling Or DC line restarts function；After 3.3 obtain scheduling grant, rescue director convenes rescue team member, specifies rescue method and the task division of labor, rescue Personnel confirm；Step 4 selects suitably to be rescued into Electric Field Mode4.1 ground preparationsRescue personnel, equipotential rescue personnel and ground rescue personnel are before being rescued on 4.2 towers, safe wearing cap；And should Use the dual control back belt type all-position safety band for having backup protection rope or speed difference self-locking device；4.3 equipotential rescue personnels carry the main rope of rescue and safe short rope is reached above the stranded conducting wire of trapped person, carry out self Protection；Rescue personnel completes relevant work on shaft tower and is responsible for observation on tower；4.4 equipotential rescue personnels set personal protection station above operation, connect safe short rope：It is specific as follows：A will be linked into conducting wire with the safe short rope that K locks；B latches two self-protection K into conducting wire；C sets up protection station on conducting wire with wirerope bandlet, two main locks, and will rescue main rope one end fag end through the two of protection station Main lock, fag end accomplishes fluently stevedore knot, with main lock hanging on rescue personnel's safety belt, the main rope other end of smooth-going decentralization to whole rope Rope is to ground；D is connected to oneself safety belt protection ring by protector is declined, and locks and locks a door, under rope makes more than safe short rope and tightening It is locked after drop protector stress；Centre of body weight is transferred to below conducting wire by e；4.5 ground rescue personnels will decline protector and are linked into safety belt protection ring in advance, lock and lock a door；Rescue main rope fag end landing Afterwards, anticreep knot is accomplished fluently, selects appropriate location to rescue main rope loaded on protector is declined, protection is carried out after self-test and is prepared；4.6 equipotential rescue personnels, which carry, rescues main rope fag end, drops to trapped person along safe short rope using protector is declined Position；The main lock connection safe back belt hanging point of trapped person of main rope fag end will be rescued；After 4.7 equipotential rescue personnels and ground rescue personnel communication are errorless, cooperate with and trapped person's stress is transferred to main rope：4.8 ground rescue personnels at the uniform velocity discharge the main rope of rescue using protector is declined, and trapped person is evacuated downwards to ground, its His ground rescue personnel scoops out, and completes rescue；Step 5 rescue terminates endingEquipotential rescue personnel removes rescue tool, and carrying instrument exits electric field, and ground rescue personnel arranges rescue Work tool, rescues Help director and report to dispatch and apply for that recovering circuit re-switching or DC line restarts function, rescue terminates to finish up.
- 2. rescue mode as claimed in claim 1, it is characterised in that the detailed process of step 4-7 is as follows：A equipotential rescue personnel's both legs hold trapped person oxter, and firmly lifting upwards, makes trapped person rise on a small quantity；B ground rescue personnel at the same time using protection act above standard, assist firmly and pay attention to rope closing as far as possible by tightening protection rope；C equipotentials rescue personnel releases trapped person and the connection of suspension protection rope, and trapped person's body wt is transferred to and is rescued Help on main rope.
- 3. rescue mode as claimed in claim 1, it is characterised in that apart from operation of the ground more than 80 meters or Great span, spy Different landform operation, rescue personnel keep in communication unimpeded equipped with communication tool with care provider.
- 4. rescue mode as claimed in claim 1, it is characterised in that rescue personnel should wear cotton long sleeves work clothes, soft primer Spikes.
- 5. rescue mode as claimed in claim 1, it is characterised in that when conducting wire where indicator of trapped personnel does not twist, rescue Personnel are helped directly to be rescued by cabling arrival trapped person position.
- 6. rescue mode as claimed in claim 1, it is characterised in that when conducting wire where indicator of trapped personnel twists, and conducting wire Horizontally arranged mode：Rescue personnel by the ground wire above conducting wire or optical cable hang the instruments such as coaster, terraced head, rope ladder by ground into Enter indicator of trapped personnel position to be rescued.
- 7. rescue mode as claimed in claim 1, it is characterised in that when conducting wire where indicator of trapped personnel twists, and conducting wire Vertical arrangement：Indicator of trapped personnel in lower phase conductor, by ground wire or optical cable, upper phase or middle phase conductor suspension slided by rescue personnel The instruments such as car, terraced head, rope ladder are rescued by ground into indicator of trapped personnel position；Indicator of trapped personnel is examined in upper phase, middle phase conductor Worry personnel, job safety need to carry out rescue work under power-off condition.
- 8. rescue mode as claimed in claims 6 or 7, it is characterised in that carry out rescue, personnel, Work tool in the case of powered It should meet the safety requirements of livewire work.
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|---|---|---|---|
| CN201711192127.8A CN107910808A (en) | 2017-11-24 | 2017-11-24 | The downward Evacuation method of transmission line of electricity in the case of one kind is powered |
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| CN201711192127.8A CN107910808A (en) | 2017-11-24 | 2017-11-24 | The downward Evacuation method of transmission line of electricity in the case of one kind is powered |
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| CN111569302A (en) * | 2020-03-26 | 2020-08-25 | 国网浙江省电力有限公司金华供电公司 | High-altitude rescue method under live-wire work |
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| CN111544783A (en) * | 2020-03-26 | 2020-08-18 | 国网浙江省电力有限公司金华供电公司 | High-altitude rescue combination device applied to live working |
| CN111569302A (en) * | 2020-03-26 | 2020-08-25 | 国网浙江省电力有限公司金华供电公司 | High-altitude rescue method under live-wire work |
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