CN107834431A - A kind of downward Evacuation method of transmission line of electricity under power-off condition - Google Patents
A kind of downward Evacuation method of transmission line of electricity under power-off condition Download PDFInfo
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- CN107834431A CN107834431A CN201711193226.8A CN201711193226A CN107834431A CN 107834431 A CN107834431 A CN 107834431A CN 201711193226 A CN201711193226 A CN 201711193226A CN 107834431 A CN107834431 A CN 107834431A
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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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
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Abstract
The invention discloses a kind of downward Evacuation method of the transmission line of electricity under power-off condition, including：Height rescue personnel carry the main rope of rescue and safe short rope is reached above the stranded wire of trapped personnel, carry out self-protection；Height rescue personnel set personal protection station above operation, connect 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；Height rescue personnel, which carry, rescues main rope fag end, drops to trapped personnel position along safe short rope using protector is declined；The main lock connection trapped personnel safety belt back hanging point of main rope fag end will be rescued；Height rescue personnel cooperate with ground rescue personnel C trapped personnel stress being transferred to main rope：Rescue personnel at the uniform velocity discharges the main rope of rescue using protector is declined, and trapped personnel is evacuated downwards to ground, ground rescue personnel D and scooped out, and completes rescue.
Description
Technical field
The invention discloses a kind of downward Evacuation method of transmission line of electricity under power-off condition, a kind of particularly power failure feelings
The downward Evacuation method of transmission line of electricity under condition.
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 is worked 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 work high above the ground such as receipts, operating personnel is it is possible to because of burst feelings such as health, operating environment, 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 will be bigger.Transmission line of electricity is located at field mostly
Remote districts, limited by factors such as landform, microclimate, wire elasticity, road traffics, conventional work high above the ground Work tool, high-altitude
The rescue modes such as breakdown lorry, 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
The special expertises such as steel tower climbing, wire displacement, Society rescue strength (People's Armed Police, fire brigade, rescue group among the people etc.) is often to circuit
Height rescue special expertise grasps deficiency, can not effectively implement rescue work.A kind of it is, therefore, desirable to provide rescue that can implement
Method.
The content of the invention
It is high during the present invention is for 330 kilovolts and the super of above, extra-high voltage alternating current-direct current transmission line operation
Idle job personnel are fallen, and operating personnel is suspended in into wire (bar after safety belt back hanging point and falling protective rope stress
Tower) lower section, when losing the ability to act saved oneself, a kind of rescue mode that he rescues is proposed, is specifically power transmission line under power-off condition
Evacuation method under road direction, the blank of China's transmission line high-altitude rescue is filled up；220 kilovolts and following transmission line of electricity can
Implement.
The technical solution adopted by the present invention is：
The downward Evacuation method of transmission line of electricity, comprises the following steps under a kind of power-off condition：
Step 1 reports application line outage from work permit people to scheduling, and asks to rescue；
Step 2 rescue personnel is in place.Rescue director and formulate rescue method, specify rescue method and the task division of labor, rescue
Personnel confirm.Arrange Work tool：Rescue tool, the electroscope of relevant voltage grade of pass the test, ground wire, insulating glove,
Rope ladder, backup protection rope etc.；Multiple-circuit on same tower single back line (DC line monopole), which has a power failure, should also prepare a pass the test full set
Screening clothing, universal meter, insulating non-polar rope circle.After rescue director obtains the instruction of work permit people's line outage, organize
Field rescue works.
Step 3 prevents induced electricity from hurting sb.'s feelings
(1) insulated static wire should be regarded as electrical body；The distance between rescue personnel and insulated static wire are no less than
0.4m (1000kV 0.6m), such as need to be in operation on insulated static wire, and application of grounding line or personal safety wire are reliable by its
Ground connection is carried out using equipotential mode；
(2) multiple-circuit on same tower single back line has a power failure (power failure of DC line monopole), carries out rescue work on this section of circuit
Make, height rescue personnel answer the qualified a full set of screening clothing of wearing test, and each position should connect reliably；Detected before work with universal meter
Screening clothing resistance, the resistance value between a whole set of screening clothing distalmost end cannot be greater than 20 Ω；
(3) circuit is rescued such as above another loop line road, and must be rescued under the circuit not power-off condition
During work, safe and reliable measure should be taken；Safety measure should be approved to execute after staff discusses fully through work area；
Step 4 prevents from stepping on powered shaft tower or mistakenly entering into charged side cross-arm by mistake, point out license, height rescue personnel electrical verification,
Hang ground wire；
(1) on single back line to point out permission step as follows：
1. before rescue, all rescue personnels face steel tower tower number plate side, rescue director explains rescue to operating personnel
Task and personnel's division of labor；
The personal rescue work undertaken 2. rescue personnel briefly rehearses respectively, and it is errorless through rescuing director's confirmation；
3. before stepping on tower, rescue personnel checks line name, pylon No., colour code, and loudly reads aloud；
4. after rescue point duty people's confirmation, the rescue personnel that orders can step on tower；
After 5. rescue personnel reaches precalculated position, self-protection is carried out, using qualified electroscope, wears insulating glove, identified
Attaching ground wire, connection reliably, first connect earth terminal, are followed by conductor wire end, not handy hand directly contacts ground connection immediately after true no-voltage
Line.；
6. rescue personnel reports to rescue director, " ground wire has been hung up properly！", after rescue director checks, order is rescued
The personnel of helping start to rescue.
(2) on double-circuit line to point out permission step as follows：
1. before rescue, all rescue personnels face steel tower tower number plate side, rescue director explains rescue to operating personnel
Task and personnel's division of labor；, and explicitly point out the position of dead line；
The content that rescue director explains 2. rescue personnel briefly rehearses respectively, and the personal rescue task undertaken, and
It is errorless through rescuing director's confirmation；
3. before stepping on tower, rescue personnel checks line name, pylon No., colour code, and loudly reads aloud；
4. after rescuing director's confirmation, the rescue personnel that orders can step on tower；
5. rescue personnel is stepped on to cross-arm respectively, and an arm level is stretched to the orientation for representing dead line, rescue
Line name, the colour code that director is checked on circuit tower number plate are errorless, make the gesture of license and send the order that can enter
Afterwards, rescue personnel is allowed for access dead line side cross-arm；
6. rescue personnel in place after, carry out personal protection, using qualified electroscope, wear insulating glove, identify true no-voltage
Attaching ground wire, connection reliably, first connect earth terminal, are followed by conductor wire end, not handy hand directly contacts ground wire immediately afterwards；
7. rescue personnel reports " ground wire has been hung up properly " to rescue director, after rescue director checks, order is rescued
The personnel of helping start to rescue.
Step 5 height rescue personnel are under steel tower to wire：
(1), should be according to development claimed below to wire under tangent tower：1. shifted up and down along porcelain, glass insulator, after
Standby protection rope length degree should meet job requirements；2. shifted up and down along composite insulator, the porcelain for spraying RTV, glass insulator etc.
Rope ladder should be used, rope ladder will be tightened up and colligation is firm；Forbid to trample and climb composite insulator and spraying RTV porcelain, glass it is exhausted
Edge；
(2) wire is entered along strain insulator string：Rescue personnel should tie up to backup protection rope on insulator chain, and accompany
Enter to bring into；
Step 6 height rescue personnel cabling is to setting；High-altitude, ground staff cooperate, and carry out rescue work；
(1) height rescue personnel and ground rescue personnel are before being rescued, safe wearing cap；And should use have standby guarantor
The dual control back belt type all-position safety band of shield rope or speed difference self-locking device；
(2) height rescue personnel, which carry, rescues above main rope and the stranded wire of safe short rope arrival trapped personnel, carries out certainly
I protects；
(3) height rescue personnel set personal protection station above operation, connect safe short rope：It is specific as follows：
3-1 will be linked into wire with the safe short rope that K locks；
3-2 latches two self-protection K into wire；
3-3 sets up protection station on 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, rescued with main lock hanging
On personal security 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, and installed in safe short rope and tightens up remaining
Rope is locked after making decline protector stress；
Centre of body weight is transferred to below wire by 3-5.
(4) decline protector is linked into safety belt protection ring by ground rescue personnel in advance, is locked and is locked 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) height rescue personnel, which carry, rescues main rope fag end, oppressive using declining protector along safe short rope and dropping to
Member position；The main lock connection trapped personnel safety belt back hanging point of main rope fag end will be rescued；
(6) after height rescue personnel and ground rescue personnel communication are errorless, cooperate with and trapped personnel stress is transferred to main rope：
6-1 height rescue personnel's both legs hold trapped personnel oxter, and firmly lifting upwards, makes trapped personnel rise on a small quantity；
6-2 ground rescue personnel tightens up protection rope using protection act above standard as far as possible simultaneously, assists firmly and pays attention to
Rope closing；
6-3 height rescues personnel release the connection of trapped personnel and suspension protection rope, and captive body wt is transferred to
Rescue on main rope；
(7) ground rescue personnel at the uniform velocity discharges the main rope of rescue using protector is declined, and trapped personnel is evacuated downwards to ground
Face, another ground rescue personnel scoop out, and complete rescue.
After the completion of step 7 rescue task, height rescue personnel instrument carries cabling and returned, to steel tower.It is true to rescue director
The instrument and material recognize on wire, do not left on insulator chain, order to remove the ground wire that job site both ends are hung, remove
When first tear conductor wire end open, after disconnect ground terminal, not handy hand directly contacts ground wire, confirms on shaft tower and wire without lower beam after legacy
Tower returns to ground；
Step 8 rescues director and reports rescue work termination to work permit people；
Step 9 work permit people reports the work termination to scheduling, applies for circuit power transmission.
Further, when backup protection rope is more than 3m, buffer should be used.
Further, apart from operation of the ground more than 80 meters or Great span, extreme terrain operation, every work high above the ground personnel
Reliable communication tool (such as intercom with Earphone with microphone) should be equipped with, is kept in communication with care provider unimpeded.
Further, work high above the ground is carried out under low temperature or hot environment, warming or measures of heat control should be taken.
Further, work high above the ground personnel should wear cotton long sleeves work clothes, soft primer spikes.
Further, when wire where indicator of trapped personnel does not twist, rescue personnel is directly reached stranded by cabling
Personnel positions are rescued；When wire where indicator of trapped personnel twists, according to arrangement of conductor, optional in the following manner is entered
Enter trapped personnel position to be rescued.
1. the horizontally arranged mode of wire (single loop, direct current)：Rescue personnel is adopted by the ground wire (or optical cable) above wire
Rescued with instruments such as coaster, terraced head, rope ladders into indicator of trapped personnel position (both sides phase) or ground wire coaster, ladder are passed through by ground
Head, the mode of rope ladder are rescued into indicator of trapped personnel neighbouring position (middle phase)；
2. wire vertical arrangement：In lower phase conductor, rescue personnel is entered stranded indicator of trapped personnel by middle phase conductor
Personnel positions are rescued；In middle phase conductor, rescue personnel is entered indicator of trapped personnel by upper phase conductor into indicator of trapped personnel position
Row rescue；For indicator of trapped personnel in upper phase conductor, rescue personnel enters indicator of trapped personnel position by ground wire (or optical cable) above wire
Rescued.
Beneficial effects of the present invention are as follows：
The rescue mode is adapted to the operation under power down mode, and this rescue mode cost is than relatively low, and rescue mode
It is fairly simple, there is extensive use value.The rescue mode of the present invention, suitable for 330 kilovolts and above it is super,
Phase operation under single loop alternating current circuit, DC line or double loop alternating current circuit in extra-high voltage alternating current-direct current transmission line of electricity.High-altitude
When operating personnel falls, by other rescue personnels up close to after trapped personnel, after being disengaged it from by lifting, release
Trapped personnel drops to ground；It can will suspend skyborne trapped personnel in midair quickly to save, avoid accident.
The rescue mode of the present invention, the setting at station is protected by operation, it is ensured that the peace in height rescue person works
Entirely, and in operation protect station bottom that safe short rope is set, height rescue personnel can be rapidly achieved trapped personnel by safe short rope
Position, after rescue aid and trapped personnel are reliably connected, ground rescue personnel release trapped personnel to ground, operation is succinct,
More rapidly trapped personnel can be rescued, save the rescue time.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for 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 exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with 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 this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
High-altitude circuit evacuates downwards drop emergency management and rescue method under blackout condition, comprises the following steps：
1.1 report application line outage from work permit people to scheduling, and ask to rescue；
1.2 rescue personnels are in place.Rescue director and formulate rescue method, specify rescue method and the task division of labor, rescue people
Member confirms.Arrange Work tool：It is rescue tool, the electroscope of relevant voltage grade of pass the test, ground wire, insulating glove, soft
Ladder, backup protection rope etc.；Multiple-circuit on same tower single back line (DC line monopole), which has a power failure, should also prepare a full set of screen of pass the test
Cover clothes, universal meter, insulating non-polar rope circle.After rescue director obtains the instruction of work permit people's line outage, organize existing
Field rescue work.
1.3 prevent induced electricity from hurting sb.'s feelings
(1) insulated static wire should be regarded as electrical body.The distance between rescue personnel and insulated static wire are no less than
0.4m (1000kV 0.6m), such as need to be in operation on insulated static wire, and application of grounding line or personal safety wire are reliable by its
Ground connection is carried out using equipotential mode.
(2) multiple-circuit on same tower single back line has a power failure (power failure of DC line monopole), carries out rescue work on this section of circuit
Make, height rescue personnel answer the qualified a full set of screening clothing of wearing test, and each position should connect reliably.Detected before work with universal meter
Screening clothing resistance, the resistance value between a whole set of screening clothing distalmost end cannot be greater than 20 Ω.Sling in dead line side or to
During the objects such as lower let-down instrument, material, it should be transmitted using insulating non-polar rope circle, object should be kept with live wire《Safety》Following table
Regulation safe distance.
Table is neighbouring or intersects the safe distance of other power lines work
(3) circuit is rescued such as above another loop line road, and must be rescued under the circuit not power-off condition
During work, safe and reliable measure should be taken.Safety measure should be approved to execute after staff discusses fully through work area.Arrange
Apply and should ensure that：1. rescuing the wire of ground wire rope of circuit etc. and alive circuit should keep《Safety》The regulation safety of following table
Distance.2. having prevents ground wire from coming off, slides the back-up protection measure run.
Table is neighbouring or intersects the safe distance of other power lines work
1.4 prevent from stepping on powered shaft tower or mistakenly entering into charged side cross-arm by mistake
(1) license (single back line) is pointed out
1. before rescue, all rescue personnels face steel tower tower number plate side, rescue director explains rescue to operating personnel
Task and personnel's division of labor；
The personal rescue work undertaken 2. rescue personnel briefly rehearses respectively, and it is errorless through rescuing director's confirmation；
3. before stepping on tower, rescue personnel checks line name, pylon No., colour code, and loudly reads aloud；
4. after rescue point duty people's confirmation, the rescue personnel that orders can step on tower；
5. after rescue personnel reaches precalculated position, carrying out self-protection, electrical verification will use relevant voltage of pass the test etc.
The electroscope of level, insulating glove should be worn during electrical verification, and have special messenger's monitoring；After the clear and definite no-voltage of circuit experience, it should work immediately
Two sections of location hangs ground wire；During installing ground wire, earth terminal should be first connect, is followed by conductor wire end, ground wire should contact good, connection
Should be reliable.Attaching ground wire should use insulating bar or special insulating cord, and human body must not touch ground wire or unearthed wire；
6. rescue personnel reports to rescue director, " ground wire has been hung up properly！", after rescue director checks, order is rescued
The personnel of helping start to rescue.
(2) license (double-circuit line) is pointed out
1. before rescue, all rescue personnels face steel tower tower number plate side, rescue director explains rescue to operating personnel
Task and personnel's division of labor；, and explicitly point out the position of dead line；
The content that rescue director explains 2. rescue personnel briefly rehearses respectively, and the personal rescue task undertaken, and
It is errorless through rescuing director's confirmation；
3. before stepping on tower, rescue personnel checks line name, pylon No., colour code, and loudly reads aloud；
4. after rescuing director's confirmation, the rescue personnel that orders can step on tower；
5. rescue personnel is stepped on to cross-arm respectively, and an arm level is stretched to the orientation for representing dead line, rescue
Director check circuit tower number plate on line name, colour code it is errorless, make the gesture of license and send " upper, middle and lower mutually can enter
Enter ×× kV ×× lines cross-arm " order after, rescue personnel is allowed for access dead line side cross-arm；
6. after rescue personnel reaches precalculated position, carrying out self-protection, electrical verification will use relevant voltage of pass the test etc.
The electroscope of level, insulating glove should be worn during electrical verification, and have special messenger's monitoring；After the clear and definite no-voltage of circuit experience, it should work immediately
Two sections of location hangs ground wire；During installing ground wire, earth terminal should be first connect, is followed by conductor wire end, ground wire should contact good, connection
Should be reliable.Attaching ground wire should use insulating bar or special insulating cord, and human body must not touch ground wire or unearthed wire；
7. rescue personnel reports " ground wire has been hung up properly " to rescue director, after rescue director checks, order is rescued
The personnel of helping start to rescue；
1.5 height rescue personnel are under steel tower to wire：
(1), should be according to development claimed below to wire under tangent tower：1. shifted up and down along porcelain, glass insulator, after
Standby protection rope length degree should meet job requirements；2. shifted up and down along composite insulator, the porcelain for spraying RTV, glass insulator etc.
Rope ladder should be used, rope ladder will be tightened up and colligation is firm；Forbid to trample and climb composite insulator and spraying RTV porcelain, glass it is exhausted
Edge；
(2) wire is entered along strain insulator string：Rescue personnel should tie up to backup protection rope on insulator chain, and accompany
Enter to bring into；
1.6 height rescue personnel cablings are to setting；High-altitude, ground staff cooperate, and carry out rescue work；
(1) height rescue personnel and ground rescue personnel are before being rescued, safe wearing cap；And should use have standby guarantor
The dual control back belt type all-position safety band of shield rope or speed difference self-locking device；
(2) height rescue personnel, which carry, rescues above main rope and the stranded wire of safe short rope arrival trapped personnel, carries out certainly
I protects；
(3) height rescue personnel set personal protection station above operation, connect safe short rope：It is specific as follows：
3-1 will be linked into wire with the safe short rope that K locks；
3-2 latches two self-protection K into wire；
3-3 sets up protection station on 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, rescued with main lock hanging
On personal security 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, and installed in safe short rope and tightens up remaining
Rope is locked after making decline protector stress；
Centre of body weight is transferred to below wire by 3-5.
(4) decline protector is linked into safety belt protection ring by ground rescue personnel in advance, is locked and is locked 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) height rescue personnel, which carry, rescues main rope fag end, oppressive using declining protector along safe short rope and dropping to
Member position；The main lock connection trapped personnel safety belt back hanging point of main rope fag end will be rescued；
(6) after height rescue personnel and ground rescue personnel communication are errorless, cooperate with and trapped personnel stress is transferred to main rope：
6-1 height rescue personnel's both legs hold trapped personnel oxter, and firmly lifting upwards, makes trapped personnel rise on a small quantity；
6-2 ground rescue personnel tightens up protection rope using protection act above standard as far as possible simultaneously, assists firmly and pays attention to
Rope closing；
6-3 height rescues personnel release the connection of trapped personnel and suspension protection rope, and captive body wt is transferred to
Rescue on main rope；
(7) ground rescue personnel at the uniform velocity discharges the main rope of rescue using protector is declined, and trapped personnel is evacuated downwards to ground
Face, another ground rescue personnel scoop out, and complete rescue.
After the completion of 1.7 rescue tasks, height rescue personnel instrument carries cabling and returned, to steel tower.Director is rescued to confirm
The instrument and material do not left on wire, on insulator chain, order to remove the ground wire that job site both ends are hung, during dismounting
First tear conductor wire end open, after disconnect ground terminal, not handy hand directly contacts ground wire, confirms on shaft tower and wire without lower shaft tower after legacy
Return to ground；
1.8 rescue directors report rescue work termination to work permit people；
1.9 work permit people report the work termination to scheduling, apply for circuit power transmission.
Further, when backup protection rope is more than 3m, buffer should be used.
Further, apart from operation of the ground more than 80 meters or Great span, extreme terrain operation, every work high above the ground personnel
Reliable communication tool (such as intercom with Earphone with microphone) should be equipped with, is kept in communication with care provider unimpeded.
Further, work high above the ground is carried out under low temperature or hot environment, warming or measures of heat control should be taken.
Further, when wire where indicator of trapped personnel does not twist, rescue personnel is directly reached stranded by cabling
Personnel positions are rescued；When wire where indicator of trapped personnel twists, according to arrangement of conductor, optional in the following manner is entered
Enter trapped personnel position to be rescued.
1. the horizontally arranged mode of wire (single loop, direct current)：Rescue personnel is adopted by the ground wire (or optical cable) above wire
Rescued with instruments such as coaster, terraced head, rope ladders into indicator of trapped personnel position (both sides phase) or ground wire coaster, ladder are passed through by ground
Head, the mode of rope ladder are rescued into indicator of trapped personnel neighbouring position (middle phase)；
2. wire vertical arrangement：In lower phase conductor, rescue personnel is entered stranded indicator of trapped personnel by middle phase conductor
Personnel positions are rescued；In middle phase conductor, rescue personnel is entered indicator of trapped personnel by upper phase conductor into indicator of trapped personnel position
Row rescue；For indicator of trapped personnel in upper phase conductor, rescue personnel enters indicator of trapped personnel position by ground wire (or optical cable) above wire
Rescued.
The rescue bag of above-mentioned rescue mode is as follows：
Specific equipment is introduced：
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (8)
1. a kind of downward Evacuation method of transmission line of electricity under power-off condition, it is characterised in that comprise the following steps：
Step 1 reports application line outage from work permit people to scheduling, and asks to rescue；
Step 2 rescue personnel in place, after rescue director obtains the instruction of work permit people's line outage, rescue by the scene of organizing
Help work；
Step 3 prevents induced electricity from hurting sb.'s feelings；
Step 4 prevents from stepping on powered shaft tower or mistakenly entering into charged side cross-arm by mistake, carries out pointing out license, height rescue personnel electrical verification, hang
Ground wire；
Step 5 height rescue personnel are under steel tower to wire：
Step 6 height rescue personnel cabling is to setting；High-altitude, ground staff cooperate, and carry out rescue work；
(1) height rescue personnel and ground rescue personnel are before being rescued, safe wearing cap；And should use have backup protection rope
Or the dual control back belt type all-position safety band of speed difference self-locking device；
(2) height rescue personnel carry the main rope of rescue and safe short rope is reached above the stranded wire of trapped personnel, carry out self and protect
Shield；
(3) height rescue personnel set personal protection station above operation, connect safe short rope：It is specific as follows：
(4) decline protector is linked into safety belt protection ring by ground rescue personnel in advance, is locked and is locked 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；
(5) height rescue personnel, which carry, rescues main rope fag end, drops to trapped personnel position along safe short rope using protector is declined
Put；The main lock connection trapped personnel safety belt back hanging point of main rope fag end will be rescued；
(6) after height rescue personnel and ground rescue personnel communication are errorless, cooperate with and trapped personnel stress is transferred to main rope：
(7) ground rescue personnel at the uniform velocity discharges the main rope of rescue using protector is declined, and trapped personnel is evacuated downwards to ground, separately
An outer ground rescue personnel scoops out, and completes rescue；
After the completion of step 7 rescue task, height rescue personnel instrument carries cabling and returned, to steel tower；Rescue director confirms to lead
The instrument and material do not left on line, on insulator chain, order to remove the ground wire that job site both ends are hung, first during dismounting
Tear conductor wire end open, after disconnect ground terminal, not handy hand directly contacts ground wire, confirms to return without lower shaft tower after legacy on shaft tower and wire
Go back to ground；
Step 8 rescues director and reports rescue work termination to work permit people；
Step 9 work permit people reports the work termination to scheduling, applies for circuit power transmission.
2. high-altitude transmission line of electricity evacuates downwards drop emergency management and rescue method under blackout condition as claimed in claim 1, its feature exists
In the detailed process of the step (3) in step 6 is as follows：
3-1 will be linked into wire with the safe short rope that K locks；
3-2 latches two self-protection K into wire；
3-3 sets up protection station on 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；
3-4 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 up remaining rope and makes
It is locked after declining protector stress；
Centre of body weight is transferred to below wire by 3-5.
3. high-altitude transmission line of electricity evacuates downwards drop emergency management and rescue method under blackout condition as claimed in claim 1, its feature exists
In the detailed process of the step (6) in step 3 is as follows：
6-1 height rescue personnel's both legs hold trapped personnel oxter, and firmly lifting upwards, makes trapped personnel rise on a small quantity；
6-2 ground rescue personnel tightens up protection rope using protection act above standard as far as possible simultaneously, assists firmly and pays attention to rope closing；
6-3 height rescues personnel release the connection of trapped personnel and suspension protection rope, and captive body wt is transferred into rescue
On main rope.
4. 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, height rescue staffing have communication tool, kept in communication with care provider unimpeded.
5. rescue mode as claimed in claim 1, it is characterised in that when wire where indicator of trapped personnel twists, and wire
Horizontally arranged mode：Rescue personnel enters indicator of trapped personnel position both sides by the ground wire above wire or optical cable using ground wire coaster
Mutually rescued or entered by ground by way of insulated flexible ladder adds ground wire coaster in indicator of trapped personnel neighbouring position and mutually rescued
Help.
6. rescue mode as claimed in claim 1, it is characterised in that when wire where indicator of trapped personnel twists, and wire
Vertical arrangement：In lower phase conductor, rescue personnel is rescued indicator of trapped personnel by middle phase conductor into indicator of trapped personnel position
Help；In middle phase conductor, rescue personnel is rescued indicator of trapped personnel by upper phase conductor into indicator of trapped personnel position；Indicator of trapped personnel
In upper phase conductor, rescue personnel is rescued by ground wire above wire or optical cable into indicator of trapped personnel position.
7. rescue mode as claimed in claim 1, it is characterised in that point out permission step on single back line in step 4
It is as follows：
1. before rescue, all rescue personnels face steel tower tower number plate side, rescue director explains rescue task to operating personnel
And personnel's division of labor；
The personal rescue work undertaken 2. rescue personnel briefly rehearses respectively, and it is errorless through rescuing director's confirmation；
3. before stepping on tower, rescue personnel checks line name, pylon No., colour code, and loudly reads aloud；
4. after rescue point duty people's confirmation, the rescue personnel that orders can step on tower；
After 5. rescue personnel reaches precalculated position, self-protection is carried out, using qualified electroscope, wears insulating glove, identifies true nothing
Attaching ground wire, connection reliably, first connect earth terminal, are followed by conductor wire end, not handy hand directly contacts ground wire immediately after voltage.；
6. rescue personnel reports to rescue director, " ground wire has been hung up properly！", after rescue director checks, order rescue people
Member starts to rescue.
8. rescue mode as claimed in claim 1, it is characterised in that point out permission step on double-circuit line in step 4
It is as follows：
1. before rescue, all rescue personnels face steel tower tower number plate side, rescue director explains rescue task to operating personnel
And personnel's division of labor；, and explicitly point out the position of dead line；
The content that rescue director explains 2. rescue personnel briefly rehearses respectively, and the personal rescue task undertaken, and through rescuing
It is errorless to help director's confirmation；
3. before stepping on tower, rescue personnel checks line name, pylon No., colour code, and loudly reads aloud；
4. after rescuing director's confirmation, the rescue personnel that orders can step on tower；
5. rescue personnel is stepped on to cross-arm respectively, and an arm level is stretched to the orientation for representing dead line, rescue is responsible for
People check circuit tower number plate on line name, colour code it is errorless, make the gesture of license and send " upper, middle and lower mutually can enter
After the order of so-and-so kV so-and-so line cross-arm ", rescue personnel is allowed for access dead line side cross-arm；
6. rescue personnel in place after, carry out personal protection, using qualified electroscope, wear insulating glove, identify and stand after true no-voltage
That is attaching ground wire, connection is reliable, first connects earth terminal, is followed by conductor wire end, not handy hand directly contacts ground wire；
7. rescue personnel reports " ground wire has been hung up properly " to rescue director, after rescue director checks, order rescue people
Member starts to rescue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193226.8A CN107834431A (en) | 2017-11-24 | 2017-11-24 | A kind of downward Evacuation method of transmission line of electricity under power-off condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193226.8A CN107834431A (en) | 2017-11-24 | 2017-11-24 | A kind of downward Evacuation method of transmission line of electricity under power-off condition |
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