CN105186338A - Construction method of employing insulation bucket arm vehicle insulating gloves with load to change pole top switch device - Google Patents
Construction method of employing insulation bucket arm vehicle insulating gloves with load to change pole top switch device Download PDFInfo
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- CN105186338A CN105186338A CN201510471581.1A CN201510471581A CN105186338A CN 105186338 A CN105186338 A CN 105186338A CN 201510471581 A CN201510471581 A CN 201510471581A CN 105186338 A CN105186338 A CN 105186338A
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- insulated arm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The present invention provides a construction method of employing insulation bucket arm vehicle insulating gloves with load to change a pole top switch device. The construction method of employing insulation bucket arm vehicle insulating gloves with load to change the pole top switch device comprises the following the steps: performing construction preparation; performing electrical inspection and detection and setting an insulation shielding; installing bypass drainage threads; quitting the operation of a breaker and dismantling original drainage threads; dismantling a switch; detecting and hoisting a new switch; overlapping leads at two sides of the breaker; putting a new breaker into operation and dismantling the bypass drainage threads; dismantling the insulation shielding; and evacuating a tower. According to the invention, a 10KV line with a load may be used for changing a switch on the basis of ensuring operational safety and electric safety. In the case of ensuring users' electric power utilization, an isolation switch may be changed so that a new working mode for the electric power project online maintenance field is provided and huge economic benefits are brought for power supply enterprises and electricity enterprises.
Description
Technical field
The present invention relates to power engineering field.
Background technology
In the 10KV circuit run; on-pole switch (isolation switch) plays control, protective effect to the circuit of this switch back segment, load; the situation that the switch machine section failure had can not operate, the switch that has needs increase capacity usually can be run in operation; this just must change this on-pole switch (isolation switch); usually following method is adopted to change at present: 1, to have a power failure and change: adopt and change in this way; need to pull open switch upper level switch, cause part to have a power failure even completely.2, excise all loads on switch back segment circuit, then charged dismounting switch goes between, then change switch, between the stage of replacement, on switch back segment circuit, all users just can not electricity consumption.Because electric power becomes the requisite energy in daily life, part power-off even completely must cause very large inconvenience to user.
Summary of the invention
Technical problem to be solved by this invention is to provide the construction method that a kind of aerial lift device with insulated arm insulating gloves on-load changes on-pole switch equipment, can carry out the replacing of switchgear when not power-off, farthest the interests of user on security system.
The technical scheme that technical solution problem of the present invention adopts is:
Aerial lift device with insulated arm insulating gloves on-load changes the construction method of on-pole switch equipment, and described construction method comprises the following steps:
1) preparation of construction: check meteorological condition, surrounding environment, line unit and safety measure, arranges on-the-spot, lays aerial lift device with insulated arm and insulating tool;
2) electrical verification is surveyed electricity and is arranged insulation and covers;
3) console switch makes its locking, installs bypass drainage thread respectively in the inlet wire side of switch and outgoing line side;
4) circuit breaker is out of service, and removes original drainage thread of switch both sides;
5) switch is removed;
6) detect and lift new switch;
7) charged pole-mounted circuit breaker both sides lead-in wire is overlapped;
8) new circuit breaker puts into operation and removes bypass drainage thread;
9) remove insulation to cover;
10) shaft tower is withdrawn.
While employing technique scheme, the present invention can also adopt or combine and adopt following further technical scheme:
Step 1) preparation of construction comprise:
1.1, meteorological condition, surrounding environment, line unit and safety measure is checked;
1.2, arrange scene: safety barrier, working signal and relevant warning mark are set in working site;
1.3, staff on aerial lift device with insulated arm and car is numbered and lays aerial lift device with insulated arm, aerial lift device with insulated arm reaches job position and avoids neighbouring power line and barrier, avoid being parked on raceway groove cover plate, aerial lift device with insulated arm supporting leg order is for first to stretch out horizontal support legs, stretch out vertical leg again, support to place rear vehicle all around in level, four-wheel is liftoff, aerial lift device with insulated arm uses backing plate or sleeper when being parked in soft ground, backing plate overlap is no more than 2 pieces and is mutually 45° angle, when stand is hillside fields, park the gradient ≯ 7 °, headstock surpasses direction of fall and parks, first prop up front leg strut, a rear rear support leg, adjust horizontal rear vehicle forward and backward height difference ≯ 3 °, aerial lift device with insulated arm temporary grounding body buried depth ≮ 0.6m,
1.4, check insulating tool, adopt Insulation Resistance Tester to carry out surface insulation resistance detection to insulating tool, resistance is not less than 700M Ω, checks that complete insulating tool is placed on moistureproof cushion.
Described step 2) specifically comprise the following steps:
2.1, electrical verification: No. 1 operating personnel in every platform aerial lift device with insulated arm carries out electrical verification with high voltage electroscope to cross-arm, top phase anchor ear, confirms insulator No leakage electric current;
2.2, electricity is surveyed: No. 1 operating personnel in every platform aerial lift device with insulated arm measures the electric current of each phase drainage thread with clamp on amperemeter;
2.3, arrange insulation to cover: carry out insulation cover not meeting the charged position of job safety distance and earth electrode insulated target and flexible insulated hose in operation path.
Described step 4) in remove the order of drainage thread and be: first tear open inner edge phase, after tear outside phase open, tear mesophase spherule lead-in wire open again.
Described step 5) specifically comprise the following steps:
5.1, No. 2 operating personnels of No. 1 aerial lift device with insulated arm operate little hanging, and make suspension hook be in appropriate location above switch;
5.2, suspension hook is hung the rope sling of people's pendent switch, zoom in and hang pull rope, make pull rope micro-stressed;
5.3, No. 2 operating personnels of No. 2 aerial lift device with insulated arm remove the fixed screw of the family of switch and switch, or the family of switch and cement pole fix anchor ear to pin nut;
5.4, No. 2 operating personnels of No. 1 aerial lift device with insulated arm operate little hanging and switch are winched to ground.
Described step 6) in the new switch of detection comprise the following steps:
6.1, point closing operation is carried out 2-3 time to new switch, confirm that switch is flexible, indicate errorless;
6.2, measure alternate and relatively insulation resistance with 2500V insulation resistance meter, guarantee that the two is all greater than 500 megaohms.
Described step 6) in the new switch of lifting comprise the following steps:
6.3, No. 2 operating personnels of No. 1 aerial lift device with insulated arm operate little hanging, and switch are winched to band installation site;
6.4, No. 2 operating personnels of No. 2 aerial lift device with insulated arm tighten the fixed screw of the family of switch and switch, or switch bracket and cement pole fix anchor ear to pin nut.
Described step 7) specifically comprise the following steps:
7.1, Ground Operation personnel install the drainage thread of new pole-mounted circuit breaker both sides, have covered insulating cover, have pulled open circuit breaker;
7.2, the operating personnel in two aerial lift device with insulated arm overlaps the both sides lead-in wire of pole-mounted circuit breaker respectively;
7.3, close pole-mounted circuit breaker, confirms to shunt with ammeter;
7.4, the operating personnel in two aerial lift device with insulated arm removes the both sides lead-in wire of pole-mounted circuit breaker respectively.
Described step 8) specifically comprise the following steps:
8.1, No. 1 operating personnel's console switch in No. 1 aerial lift device with insulated arm makes it be in closing position;
8.2, whether normally measure switch each phase drainage thread electric current with clamp on amperemeter, thus confirm that switch normally runs;
8.3, confirm errorless after, remove step 3) in install bypass drainage thread.
Described step 8) in remove the order of drainage thread and be: first mesophase spherule, rear outside phase, again inner edge phase.
The invention has the beneficial effects as follows: the construction that the present invention adopts two aerial lift device with insulated arm to cooperatively interact, on the basis of guaranteeing handling safety and Electrical Safety, achieve 10KV circuit on-load and change switch, when not stopping a user power utilization, realize the replacing of isolation switch, for on power engineering line, maintenance field provides brand-new mode of operation, all huge economic benefit will be brought to confession, electricity consumption enterprise.
Embodiment
Construction method of the present invention requires the working team of at least 6 people, one is wherein had at least to have more than 3 years power distribution live-wire practical work experience, be familiar with status of equipment, there is certain organizational capacity and capability in handling accident, and through the special training of director of working, the personnel passed the examination are as work director (guardian), 4 by the training of 10kV distribution line live working special project, pass the examination and the personnel holding job qualification certificate respectively as the operating personnel in aerial lift device with insulated arm, 1 by the training of 10kV distribution line special project, pass the examination and the personnel holding job qualification certificate as Ground Operation personnel.
Construction method of the present invention should at least be equipped with following Work tool and material:
Table 1, personal security's safety device
Table 2, standing utensil
Table 3, insulation shading tool
| Sequence number | Title | Specification/numbering | Unit | Quantity | Remarks |
| 1 | Insulated target | YS241-01-04 | Block | 16 | |
| 2 | Flexible insulated hose | YS201-06-01 | Root | 24 | |
| 3 | Insulating blanked clamper | YS211-03-05 | Only | 40 |
Table 4, insulating tool
| Sequence number | Title | Specification/numbering | Unit | Quantity | Remarks |
| 1 | Insulation lead wire | 50 square millimeters × 7 meters | Root | 3 | |
| 2 | Insulating cord | Root | 2 | ||
| 3 | Insulation rope sling | Secondary | 2 | ||
| 4 | Telescopic insulating bar | Secondary | 1 |
Table 5, other Work tools: Work tool needed for conventional line construction, as spanner etc.
| Sequence number | Title | Specification/numbering | Unit | Quantity | Remarks |
| 1 | Personality kit | Cover | 2 | ||
| 2 | Electric wrench | ? | 2 |
Table 6, material: comprise device material and expendable material.
Construction method of the present invention specifically comprises the following steps:
Step 1, preparation of construction.
Construction in Preparatory Stage mainly construct before a series of warming-up exercises, comprise the items such as condition inspection, assembled configuration and staffing.
At Construction in Preparatory Stage, first, by name and the cement pole bar number of work director checking work circuit, does work director check that construction surrounding enviroment meet job requirements (which type of situation meets the requirements at last?), what condition check that line unit possesses live line working condition and (possesses live line working condition and refer to?), check meteorological condition, check safety measure, can safety measure be supplemented if desired.
Below the usual demand fulfillment of the meteorological condition checked some: 1. weather should be fine, without thunder, rain, snow, mist; 2. temperature :-5 ~ 35 DEG C; 3. wind-force: <5 level; 4. relative air humidity <80%.
After above-mentioned condition inspection is complete, by work director and dispatch contact, obtain traffic control license, confirm that circuit re-switching is inactive.
Then, carry out working site layout, be included in working site and safety barrier, working signal and relevant warning mark are set.
Then, by aerial lift device with insulated arm, operating personnel parks aerial lift device with insulated arm, and this construction method needs to use two aerial lift device with insulated arm, is numbered No. 1 car and No. 2 cars respectively, every platform aerial lift device with insulated arm is equipped with two operating personnels, is numbered No. 1 operating personnel and No. 2 operating personnels respectively.
The detailed process of parking aerial lift device with insulated arm is as follows:
One, No. 1 car and No. 2 cars are docked to optimum position by operating personnel respectively, need in this process to follow following some: 1. should be convenient to aerial lift device with insulated arm working bucket and reach job position, avoid neighbouring power line and barrier; 2. avoid being parked on raceway groove cover plate; 3. soft ground should use cushion block or sleeper, and when pad is put, backing plate overlap is no more than 2 pieces, in 45° angle; 4. stand is as being hillside fields, the stand gradient ≯ 7 °, and aerial lift device with insulated arm headstock should be parked towards direction of fall.
Two, operating personnel operates No. 1 car and No. 2 cars carry out supporting leg, need in the process to follow following some: 1. supporting leg order should be correct: first should stretch out horizontal support legs, then stretch out vertical leg; 2. park in hillside fields, first should prop up front leg strut, prop up rear support leg afterwards; 3. support and should put in place, vehicle all around is level; Four-wheel should be liftoff; 4., after adjustment level is parked in hillside fields, vehicle anterior and posterior height answers ≯ 3 °.
Three, operating personnel is by No. 1 car and No. 2 car reliable grounds, and the buried depth of temporary grounding body is no less than 0.6m.
After having stopped aerial lift device with insulated arm, check insulating tool, detailed process is as follows:
One, insulating tool is placed on moistureproof cushion (blanket), moistureproof cushion (blanket) should clean, dry, insulating tool can not with metal tools, material is mixed puts.
Two, visual examination is carried out to insulating tool: indeformable damage answered by insulating tool, flexible operation, measure accurately; Personal security's safety device and cover, isolate apparatus and answer free of pinholes, sand holes, crackle; And make shock test; Procurator must wear clean, dry gloves.
Three, Insulation Resistance Tester is used to carry out surface insulation resistance detection to insulating tool: resistance must not lower than 700M Ω.
Afterwards, the operating personnel of aerial lift device with insulated arm checks aerial lift device with insulated arm, specifically comprises and checks aerial lift device with insulated arm surface appearance: insulated part should clean, flawless damage.
After inspection, in bucket, operating personnel requires to dress corresponding work clothes and safety protective tools according to electrical power system safety operation and carrying implement enters the working bucket of aerial lift device with insulated arm, and in bucket, operating personnel fastens insulated safety belt.
So far, Construction in Preparatory Stage completes, and formally enters the construction stage.
Step 2, electrical verification measuring point also arranges insulation and covers.
2.1 electrical verification.
No. 1 operating personnel (in bucket operating personnel) in two aerial lift device with insulated arm carries out electrical verification with high voltage electroscope to cross-arm, top phase anchor ear, confirms insulator No leakage electric current.
Need in the process to follow following some: 1. should note the situation such as shaft tower, circuit around aerial lift device with insulated arm when shifting working bucket, the distance of the metal position of insulation arm and electrified body and earth potential object is greater than 1.0m; 2., during operation, the extension elongation of insulation arm should be more than or equal to 1.0m; 3., during the interior No. 1 operating personnel's electrical verification of bucket, insulating gloves should be worn; Electroscope should carry out self-inspection before using, and tests on electrified body.
2.2 survey electricity.
No. 1 operating personnel measures each phase drainage thread electric current with clamp on amperemeter.Need in the process to follow following some: 1. should note keeping the safe distance with charged position; 2. proper use of clamp on amperemeter.
2.3 arrange insulation covers.
No. 1 car and No. 2 cars are responsible for inlet wire side and the outgoing line side for the treatment of operation switch respectively; In bucket, operating personnel obtains after work director agrees to: 1) measure load current with ammeter, confirm that it is within the scope of drainage thread and the specified current-carrying of bypass vacuum interrupter; 2) insulation is carried out at the charged position and earth electrode insulated target and flexible insulated hose etc. that do not meet job safety distance in operation path to cover.
Under the monitoring of work director, in bucket, electrician shifts insulation bucket to the mutually suitable service position of inner edge, according to " by near to far, from top to bottom, first big after small " principle the masked isolation that insulate is carried out to the position may touched in operation: position and the order of the masked isolation that 1) insulate are followed successively by: A, first inner edge phase, rear outside phase, middle phase, B, first switch leads, rear main line.C, the order of an Xiangli: cable termination lead-in wire, lightning arrester lead-in wire, wire, strain clamp, strain insulator string; 2) in bucket, electrician's action is answered light and slow and keeps safe enough distance (relatively 0.4m, alternate 0.6m); 3) insulating masked isolation measure should tightly, firmly, and the overlap length that combination is covered in insulation must not be less than 15cm.
Step 3, console switch makes its locking, installs bypass drainage thread.
3.1, No. 2 operating personnels (operation in car personnel) of No. 1 car operate No. 1 car, and make car arrive correct position, No. 1 operating personnel's console switch of No. 1 car makes circuit breaker lock;
Should be noted that in the process following some: 1. note keeping and the safe distance at charged position; 2. must operate with insulating bar; 3. confirm circuit breaker lock.
3.2, No. 1 car and No. 2 cars are responsible for the inlet wire side of switch and the installation of outgoing line side bypass drainage thread respectively, first install mesophase spherule drainage thread, phase drainage thread outside rear installation, then install inner edge phase drainage thread; Should be noted that in the process following some: 1. installation No. 1 car of switch inlet wire side and outgoing line side drainage thread and No. 1 operating personnel of No. 2 cars must carry out by homophase simultaneously; 2. contact place installs and wants closely; 3. often install drainage thread, its electric current must be measured with clamp on amperemeter, confirm that it normally runs.
Step 4, old switch is out of service, removes the original drainage thread in switch both sides.
4.1, No. 1 car No. 2 operating personnels operate No. 1 car, and make car arrive correct position, No. 1 car No. 1 operating personnel's console switch makes it be in open position, removes circuit breaker.Now the circuit on this road of switch is off, and the bypass drainage thread installed in step 3 works, and original circuit is communicated with from bypass drainage thread, does not affect the operation of electric loading.
4.2, No. 1 car and No. 2 cars are responsible for the inlet wire side of switch and the drainage thread of outgoing line side respectively; Operating personnel obtains after work director agrees to: 1) No. 1 car and No. 2 cars No. 2 operating personnels operate aerial lift device with insulated arm, make car arrive correct position, 2) lead-in wire removes by No. 1 car and No. 2 cars No. 1 operating personnel; Should be noted that in the process following some: 1. note keeping and the safe distance at charged position; 2. should note the situation such as shaft tower, circuit around aerial lift device with insulated arm when shifting working bucket, the distance of the metal position of insulation arm and electrified body and earth potential object is greater than 1.0m; 3. after removing lead-in wire, operating personnel should hold declining with car of lead-in wire, keeps and does not tear phase terminal safe distance open; 4. remove lead-in wire order: first tear open inner edge phase, after tear open outside phase, again tear open mesophase spherule lead-in wire.
Step 5, removes former switch.
5.1, No. 2 operating personnels of No. 1 car operate No. 1 car, make car arrive correct position;
5.2, No. 2 operating personnels of No. 1 car operate little hanging (boom hoisting on aerial lift device with insulated arm), make suspension hook be in correct position above switch;
5.3, suspension hook is hung up the rope sling of people's pendent switch by No. 1 operating personnel of No. 1 car, zooms in and hangs pull rope, makes pull rope micro-stressed;
5.3, No. 2 operating personnels of No. 2 cars operate No. 2 cars, make car arrive correct position;
5.4, No. 1 operating personnel of No. 2 cars remove the fixed screw of switch and switch bracket or switch bracket and cement pole fix anchor ear to pin nut (be switch bracket and cement pole is fixed anchor ear dock fixing secure component to pin nut);
5.5, No. 1 car No. 2 operating personnels operate little hanging and switch are winched to ground.
Should be noted that in the process following some: 1, should note keeping and the safe distance at charged position; 2, should note the situation such as shaft tower, circuit around aerial lift device with insulated arm during transfer working bucket, the distance of the metal position of insulation arm and electrified body and earth potential object is greater than 1.0m; 3, should be steady during pendent switch, avoid not only being elevated but also rotating preventing switch and electric pole from colliding.
Step 6, detect and lift new switch.
6.1, new switch is carried out point, closing operation 2-3 time, confirm that new switch should be flexible, instruction is correct;
6.2, measure alternate and relatively insulation resistance with 2500V insulation resistance meter, 500 megaohms all should be greater than;
6.3, Ground Operation personnel install the both sides lead-in wire of new pole-mounted circuit breaker, have covered insulating cover, have pulled open circuit breaker;
6.4, No. 2 operating personnels of No. 1 car operate No. 1 car, make car arrive correct position;
6.5, No. 2 operating personnels of No. 1 car operate little hanging, and make suspension hook be in correct position above switch;
6.6, No. 2 operating personnels of No. 1 car operate little hanging and switch are winched to position to be installed;
6.7, No. 2 operating personnels of No. 2 cars operate No. 2 cars, make car arrive correct position;
6.8, No. 1 operating personnel of No. 2 cars tighten the fixed screw of switch and switch bracket or switch bracket and cement pole fix anchor ear to pin nut.
Should be noted that in the process following some: 1, should note keeping and the safe distance at charged position; 2, should note the situation such as shaft tower, circuit around aerial lift device with insulated arm during transfer working bucket, the distance of the metal position of insulation arm and electrified body and earth potential object is greater than 1.0m; 3, should be steady during pendent switch, avoid not only being elevated but also rotating preventing switch and electric pole from colliding.
Step 7, overlap joint pole-mounted circuit breaker both sides lead-in wire.
7.1, No. 1 operating personnel of No. 1 car and No. 2 takes respectively and chargedly connects pole-mounted circuit breaker both sides lead-in wire;
7.2, operating personnel closes pole-mounted circuit breaker, confirms to shunt with ammeter.
Should be noted that in the process following some: 1, should note keeping and the safe distance at charged position; 2, should note the situation such as shaft tower, circuit around aerial lift device with insulated arm during transfer working bucket, the distance of the metal position of insulation arm and electrified body and earth potential object is greater than 1.0m.
The construction technology of lead-in wire and quality should meet the requirement of construction and acceptance specification:
1) wire length is suitable for, and radian is even;
2) lead-in wire is without broken lot, disconnected stock phenomenon;
3) lead-in wire and the distance of earth potential component should be not less than 20cm, are alternately not less than 30cm;
4) parallel groove clamp pad is neatly without crooked phenomenon, and overlap joint closely;
5) parallel groove clamp of every phase terminal is no less than 2, and the length that lead-in wire passes wire clamp is about 2 ~ 3cm, should reserve the width of a wire clamp between parallel groove clamp.
Step 8, new switch puts into operation and removes bypass drainage thread.
8.1, No. 2 operating personnels of No. 1 car operate No. 1 car, make car arrive correct position;
8.2, No. 1 operating personnel's console switch of No. 1 car makes it be in closing position position;
8.3, whether normally No. 1 operating personnel of No. 1 car measures each coupling line current of switch with clamp on amperemeter, confirms that switch normally runs; If normally run, carry out next step;
8.4, No. 1 operating personnel of No. 1 car and No. 2 cars obtains the bypass drainage thread that work director agrees to install in rear dismounting step 3.
Should note in the process following some: 1. remove order: first mesophase spherule, rear outside phase, again inner edge phase; No. 1 operating personnel of No. 2.1 cars and No. 2 cars must carry out by homophase simultaneously; 3. should note keeping the safe distance with charged position; 4. should note the situation such as shaft tower, circuit around aerial lift device with insulated arm when shifting working bucket, the distance of the metal position of insulation arm and electrified body and earth potential object is greater than 1.0m.
Step 9, removes insulation and covers.
After replacing operation completes, the operating personnel of No. 1 car and No. 2 cars obtains work director and agrees to that apparatus is covered in the insulation on rear dismounting earth electrode and charged position.
Should note in the process following some: 1. note keeping and the safe distance at charged position; 2. according to from top to bottom, the principle of electrified body is carried out from far near, after first earth electrode; The operating personnel of No. 3.1 cars and No. 2 cars should carry out by homophase simultaneously; 4. the order removed: first mesophase spherule, rear outside phase, again inner edge phase.
Step 10, withdraws shaft tower.
In struggling against, operating personnel checks and confirms line facility normal operation, without omitting or after defect, withdrawing territory, electric region, return to ground, should note the situation such as shaft tower, circuit around aerial lift device with insulated arm when decline working bucket, withdrawal insulation arm.
So far, work progress completes.Afterwards, work director organizes crewmember's cleaning tool and scene, each member reset of aerial lift device with insulated arm, regains aerial lift device with insulated arm supporting leg, finishing tool, material.Special case (bag) is put into after being cleaned by Work tool.Site clearing.When hillside fields is parked, first should receive rear support leg, rear receipts front leg strut; Supporting leg withdrawal order first should regain vertical leg, then regains horizontal support legs.After having worked, to report the work end to scheduling.
Claims (10)
1. aerial lift device with insulated arm insulating gloves on-load changes the construction method of on-pole switch equipment, it is characterized in that: described construction method comprises the following steps:
1) preparation of construction: check meteorological condition, surrounding environment, line unit and safety measure, arranges on-the-spot, lays aerial lift device with insulated arm and insulating tool;
2) electrical verification is surveyed electricity and is arranged insulation and covers;
3) console switch makes its locking, installs bypass drainage thread respectively in the inlet wire side of switch and outgoing line side;
4) former switch is out of service, and removes original drainage thread of switch both sides;
5) former switch is removed;
6) detect and lift new switch;
7) charged pole-mounted circuit breaker both sides lead-in wire is overlapped;
8) new switch puts into operation and removes bypass drainage thread;
9) remove insulation to cover;
10) shaft tower is withdrawn.
2. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: the preparation of construction of step 1) comprises:
1.1, meteorological condition, surrounding environment, line unit and safety measure is checked;
1.2, arrange scene: safety barrier, working signal and relevant warning mark are set in working site;
1.3, staff on aerial lift device with insulated arm and car is numbered and lays aerial lift device with insulated arm, aerial lift device with insulated arm reaches job position and avoids neighbouring power line and barrier, avoid being parked on raceway groove cover plate, aerial lift device with insulated arm supporting leg order is for first to stretch out horizontal support legs, stretch out vertical leg again, support to place rear vehicle all around in level, four-wheel is liftoff, aerial lift device with insulated arm uses backing plate or sleeper when being parked in soft ground, backing plate overlap is no more than 2 pieces and is mutually 45° angle, when stand is hillside fields, park the gradient ≯ 7 °, headstock surpasses direction of fall and parks, first prop up front leg strut, a rear rear support leg, adjust horizontal rear vehicle forward and backward height difference ≯ 3 °, aerial lift device with insulated arm temporary grounding body buried depth ≮ 0.6m,
1.4, check insulating tool, adopt Insulation Resistance Tester to carry out surface insulation resistance detection to insulating tool, resistance is not less than 700M Ω, checks that complete insulating tool is placed on moistureproof cushion.
3. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: described step 2) specifically comprise the following steps:
2.1, electrical verification: No. 1 operating personnel in every platform aerial lift device with insulated arm carries out electrical verification with high voltage electroscope to cross-arm, top phase anchor ear, confirms insulator No leakage electric current;
2.2, electricity is surveyed: No. 1 operating personnel in every platform aerial lift device with insulated arm measures the electric current of each phase drainage thread with clamp on amperemeter;
2.3, arrange insulation to cover: carry out insulation cover not meeting the charged position of job safety distance and earth electrode insulated target and flexible insulated hose in operation path.
4. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: the order of removing drainage thread in described step 4) is: first tear open inner edge phase, after tear outside phase open, tear mesophase spherule lead-in wire open again.
5. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: described step 5) specifically comprises the following steps:
5.1, No. 2 operating personnels of No. 1 aerial lift device with insulated arm operate little hanging, and make suspension hook be in appropriate location above switch;
5.2, suspension hook is hung the rope sling of people's pendent switch, zoom in and hang pull rope, make pull rope micro-stressed;
5.3, No. 2 operating personnels of No. 2 aerial lift device with insulated arm remove the fixed screw of switch and switch bracket, or switch bracket and cement pole fix anchor ear to pin nut;
5.4, No. 2 operating personnels of No. 1 aerial lift device with insulated arm operate little hanging and switch are winched to ground.
6. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: the new switch of the detection in described step 6) comprises the following steps:
6.1, point closing operation is carried out 2-3 time to new switch, confirm that switch is flexible, indicate errorless;
6.2, measure alternate and relatively insulation resistance with 2500V insulation resistance meter, guarantee that the two is all greater than 500 megaohms.
7. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: the new switch of the lifting in described step 6) comprises the following steps:
6.3, No. 2 operating personnels of No. 1 aerial lift device with insulated arm operate little hanging, and switch are winched to band installation site;
6.4, No. 2 operating personnels of No. 2 aerial lift device with insulated arm tighten the fixed screw of the family of switch and switch, or switch bracket and cement pole fix anchor ear to pin nut.
8. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: described step 7) specifically comprises the following steps:
7.1, Ground Operation personnel install the drainage thread of new pole-mounted circuit breaker both sides, have covered insulating cover, have pulled open circuit breaker;
7.2, the operating personnel in two aerial lift device with insulated arm overlaps the both sides lead-in wire of pole-mounted circuit breaker respectively;
7.3, close pole-mounted circuit breaker, confirms to shunt with ammeter;
7.4, the operating personnel in two aerial lift device with insulated arm removes the both sides lead-in wire of pole-mounted circuit breaker respectively.
9. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: described step 8) specifically comprises the following steps:
8.1, No. 1 operating personnel's console switch in No. 1 aerial lift device with insulated arm makes it be in closing position;
8.2, whether normally measure switch each phase drainage thread electric current with clamp on amperemeter, thus confirm that switch normally runs;
8.3, confirm errorless after, remove in step 3) the bypass drainage thread installed.
10. aerial lift device with insulated arm insulating gloves on-load as claimed in claim 1 changes the construction method of on-pole switch equipment, it is characterized in that: the order of removing drainage thread in described step 8) is: first mesophase spherule, rear outside phase, again inner edge phase.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510471581.1A CN105186338A (en) | 2015-08-04 | 2015-08-04 | Construction method of employing insulation bucket arm vehicle insulating gloves with load to change pole top switch device |
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| CN201510471581.1A CN105186338A (en) | 2015-08-04 | 2015-08-04 | Construction method of employing insulation bucket arm vehicle insulating gloves with load to change pole top switch device |
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| CN201510471581.1A Pending CN105186338A (en) | 2015-08-04 | 2015-08-04 | Construction method of employing insulation bucket arm vehicle insulating gloves with load to change pole top switch device |
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| CN105703248A (en) * | 2016-03-31 | 2016-06-22 | 国网山东省电力公司青岛供电公司 | Column switch insulated shielding structure |
| CN106356758A (en) * | 2016-09-07 | 2017-01-25 | 国网浙江淳安县供电公司 | Operating method for replacing pole-mounted switch live on indirect bypass of 10 KV line insulating pole |
| CN109994961A (en) * | 2019-01-15 | 2019-07-09 | 国网辽宁省电力有限公司鞍山供电公司 | It is arranged vertically 10kV overhead transmission line on-load and replaces on-pole switch device and method |
| CN110327049A (en) * | 2018-08-22 | 2019-10-15 | 宁波送变电建设有限公司永耀科技分公司 | It is a kind of electric shock bracelet monitoring electric power first-aid scene application |
| CN112604199A (en) * | 2020-12-07 | 2021-04-06 | 浙江大有实业有限公司带电作业分公司 | Fixing device for work bucket with buffer device and insulating bucket arm vehicle |
| CN113328374A (en) * | 2021-04-19 | 2021-08-31 | 国网浙江淳安县供电有限公司 | Earth potential all-terrain on-load operation method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703248A (en) * | 2016-03-31 | 2016-06-22 | 国网山东省电力公司青岛供电公司 | Column switch insulated shielding structure |
| CN106356758A (en) * | 2016-09-07 | 2017-01-25 | 国网浙江淳安县供电公司 | Operating method for replacing pole-mounted switch live on indirect bypass of 10 KV line insulating pole |
| CN106356758B (en) * | 2016-09-07 | 2018-04-10 | 国网浙江淳安县供电公司 | 10KV line insulations bar bypasses charged for replacement on-pole switch operational method indirectly |
| CN110327049A (en) * | 2018-08-22 | 2019-10-15 | 宁波送变电建设有限公司永耀科技分公司 | It is a kind of electric shock bracelet monitoring electric power first-aid scene application |
| CN110327049B (en) * | 2018-08-22 | 2021-11-30 | 宁波送变电建设有限公司永耀科技分公司 | Application of electric shock bracelet in monitoring electric power rush-repair site |
| CN109994961A (en) * | 2019-01-15 | 2019-07-09 | 国网辽宁省电力有限公司鞍山供电公司 | It is arranged vertically 10kV overhead transmission line on-load and replaces on-pole switch device and method |
| CN109994961B (en) * | 2019-01-15 | 2023-10-20 | 国网辽宁省电力有限公司鞍山供电公司 | Device and method for replacing pole-mounted switch of vertically arranged 10kV overhead line with load |
| CN112604199A (en) * | 2020-12-07 | 2021-04-06 | 浙江大有实业有限公司带电作业分公司 | Fixing device for work bucket with buffer device and insulating bucket arm vehicle |
| CN113328374A (en) * | 2021-04-19 | 2021-08-31 | 国网浙江淳安县供电有限公司 | Earth potential all-terrain on-load operation method |
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