CN105743013B - The method of charged for replacement ± 500kV AC line anchor support insulator chains - Google Patents

The method of charged for replacement ± 500kV AC line anchor support insulator chains Download PDF

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Publication number
CN105743013B
CN105743013B CN201610180617.5A CN201610180617A CN105743013B CN 105743013 B CN105743013 B CN 105743013B CN 201610180617 A CN201610180617 A CN 201610180617A CN 105743013 B CN105743013 B CN 105743013B
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China
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electrician
rope
tower
transmission
conductor wire
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CN105743013A (en
Inventor
吴正树
李昌甫
陆文叁
方苏
樊长海
刘宝龙
黄荣海
黄集贤
杨耀祖
陈鹏康
潘有志
韦海效
方刚
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Nanning Bureau of Extra High Voltage Power Transmission Co
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Nanning Bureau of Extra High Voltage Power Transmission Co
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Abstract

The method of charged for replacement ± 500kV AC line anchor support insulator chains, coordinate aerial earth wire coaster that the 3rd electrician is transported into conductor wire end from tower using insulated flexible ladder, equipotential is transferred to by ground potential, the instrument needed for operation is carried simultaneously, " electrically whole string ceramic insulator is taken out using band and put to ground " this operation process can be rapidly completed, provided safeguard for the safe and stable operation of circuit, and process safety is reliable, it is time saving and energy saving.

Description

The method of charged for replacement ± 500kV AC line anchor support insulator chains
Technical field
The invention mainly relates to replacing insulator string technical field, more particularly to charged for replacement ± 500kV AC line strain insulators Tower insulator chain operational method technical field.
Background technology
When AC line string ceramic insulator insulation resistance value in discovery ± 500kV Xingans is unsatisfactory for requiring, it need to take in time Power failure mode detects insulator one by one using megameter, finds out faulty insulator and is changed.Because line load is big, no Allow unplanned property stoppage in transit occur, it is therefore necessary to electrically take out to put by whole string ceramic insulator using band and examined to ground Survey.But complete " electrically whole string ceramic insulator is taken out using band and put to ground " this operation there is presently no method Journey, it is difficult to ensure the safe and stable operation of circuit.
The content of the invention
The present invention provides a kind of method of charged for replacement ± 500kV AC line anchor support insulator chains, can by this method " electrically whole string ceramic insulator is taken out using band and put to ground " this operation process is completed, can be eliminated in time because of insulator Resistance is unsatisfactory for requirement and causes the possibility of circuit abnormal running, improves the safe and stable operation reliability of circuit.
The technical solution adopted by the present invention is:
The method of charged for replacement ± 500kV AC line anchor support insulator chains, comprises the following steps:
1) Work tool prepares:Be ready to the first transmission rope, second transmission rope, safety belt, aerial earth wire coaster, insulation it is soft Ladder, the first insulation soft rope, the second insulation soft rope, tower head end special mould clamp, hydraulic screw rod, conductor wire end special mould clamp, laborsaving screw mandrel, Insulated hanging pole, the first pull rope, the first corner block, the second corner block, the second pull rope, the 3rd corner block;Wherein One transmission rope, the second transmission rope, the first pull rope, the second pull rope are isolation material;
2) the first electrician, the second electrician, the upper tower of the 3rd electrician:First electrician carries the first upper tower of transmission rope, reaches on tower Aerial earth wire hanging point position, the first transmission rope is hung on tower;Second electrician carries the second upper tower of transmission rope, reaches and is insulated on tower Substring hanging point position;3rd electrician accomplishes fluently upper tower after safety belt, reaches insulator chain hanging point position on tower;
3) to first electrician's tool for transmitting:Aerial earth wire coaster is connected with one end of insulated flexible ladder and connected, respectively by One end of one insulation soft rope, one end of the second insulation soft rope and aerial earth wire coaster are connected firmly, and ground electrician passes using first Pass rope and the aerial earth wire coaster assembled, insulated flexible ladder, the first insulation soft rope and the second insulation soft rope passed into the first electrician, First electrician hangs over aerial earth wire coaster on aerial earth wire, wherein, the other end of the first insulation soft rope is controlled by the first electrician, The other end of second insulation soft rope is controlled by ground electrician;
4) the 3rd electrician reaches conductor wire end setting:First transmission rope is connected by the 3rd electrician with safety belt with it, with Using the first transmission rope as backup protection rope, carry the second transmission and restrict and ride on insulated flexible ladder, ground electrician pulls second Insulation soft rope is to drive aerial earth wire coaster and insulated flexible ladder guide line end to move, until the 3rd electrician reaches conductor wire end setting When, pull the first insulation soft rope to brake aerial earth wire coaster by the first electrician, the 3rd electrician is quickly entered conductor wire end operation Point, the 3rd electrician enter conductor wire end setting after by second transmission rope hang in conductor wire end, and unclamp first transmission rope, will safety Band is buckled in conductor wire end;
5) upload and install tower head end and wire ending tool:Ground electrician is restricted tower head end personality card using the first transmission Tool, hydraulic screw rod are transmitted to the second electrician, and tower head end special mould clamp is fixed on tower head end insulator chain connection gold utensil by the second electrician On, then one end of hydraulic screw rod is connected with tower head end special mould clamp;Ground electrician is restricted conductor wire end using the second transmission Special mould clamp, laborsaving screw mandrel pass to the 3rd electrician, and conductor wire end special mould clamp is fixed on conductor wire end insulator chain by the 3rd electrician In connection gold utensil, then one end of laborsaving screw mandrel is connected with conductor wire end special mould clamp;Then ground electrician is restricted with the first transmission One end of banding insulation suspension rod, the other end for banding insulation suspension rod of being restricted with the second transmission, while the transmission of lifting first is restricted, second passes Rope is passed so that insulated hanging pole passed into the second electrician and the 3rd electrician, the second electrician is by one end of insulated hanging pole and hydraulic screw rod The other end is connected, and the other end of insulated hanging pole is connected by the 3rd electrician with the other end of laborsaving screw mandrel;
6) conductor wire end drafting tool is uploaded:First pull rope is turned to and slided by ground electrician through the first corner block, second Car, then with first transmission rope the first corner block of connection, with second transmission rope the second corner block of connection, utilizes the first transmission The first pull rope, the first corner block, the second corner block that assemble are uploaded to setting on tower by rope, the second transmission rope, Second electrician by the first corner block be connected to it is horizontal it is smooth on, the second corner block is connected to conductor wire end special mould clamp by the 3rd electrician On, and the 3rd insulator of one end of the first pull rope and conductor wire end is connected;
7) tower head end drafting tool is uploaded:Second pull rope is passed through the 3rd corner block by ground electrician, then ground electricity 3rd corner block using the first transmission rope the 3rd corner block of connection and is transferred to setting on tower by work, and the second electrician is by the Three corner blocks are connected in the insulator chain connection gold utensil of tower head end, and one end and the insulation of the 3rd, tower head end of the second pull rope Son connection;
8) leading screw is tightened up:Second electrician tightens up hydraulic screw rod, while the 3rd electrician tightens up laborsaving screw mandrel, makes insulator chain institute It is transferred to by tension force on insulated hanging pole, it is in bending to make insulator chain;
9) insulator chain is unloaded:The first pull rope is tightened up, the 3rd electrician takes out insulator chain conductor wire end connecting bolt, makes absolutely Edge substring conductor wire end is deviate from;Then loosen the first pull rope, insulator chain conductor wire end is gradually put down;The second pull rope is tightened up, Second electrician takes out insulator chain tower head end connecting bolt, and then the abjection of insulator chain tower head end loosens the second pull rope, gradually Insulator chain is lowered into ground;
10) after the completion of detecting, insulator chain resets:Ground electrician is carried the tower head end of insulator chain using the second pull rope Job position on tower is risen to, the second electrician connects insulator chain tower head terminal bolt in place, and ground electrician utilizes the first pull rope The conductor wire end of insulator chain is promoted to job position on tower, the 3rd electrician by insulator chain conductor wire end bolt connection in place, so After unclamp the first pull rope, the second pull rope;
11) tower under instrument, the first electrician, the second electrician, the 3rd electrician is passed under:Restricted using the first transmission, the second transmission is restricted First pull rope, the first corner block, the second corner block, the second pull rope, the 3rd corner block are delivered on ground;Pine Tower head end special mould clamp, hydraulic screw rod, conductor wire end special mould clamp, laborsaving screw mandrel and insulated hanging pole are opened, and restricted using the first transmission, Second transmission is restricted tower head end special mould clamp, hydraulic screw rod, conductor wire end special mould clamp, laborsaving screw mandrel, insulated hanging pole, aerial earth wire Coaster, insulated flexible ladder, the first insulation soft rope and the second insulation soft rope are delivered on ground;3rd electrician carries the second transmission rope and adopted With " mode across two short three " exits conductor wire end;First electrician, the second electrician, the 3rd electrician carry the first transmission rope, the second biography Pass rope and descend tower successively.
From the foregoing, can be rapidly completed by the present invention " electrically whole string ceramic insulator is taken out using band put to This operation process of ground ", can be eliminated because insulator resistance is unsatisfactory for causing the possibility of circuit abnormal running requiring in time Property, improve the safe and stable operation reliability of circuit;And the present invention coordinates aerial earth wire coaster by the 3rd using insulated flexible ladder Electrician is transported to conductor wire end from tower, and equipotential is transferred to by ground potential, while the instrument needed for carrying operation, reduces manpower Loss, operating efficiency is high.
Step 6) in, the first shackle is set on one end of the first pull rope connecting insulator string, when the first pull rope is set When the one end for being equipped with the first shackle is uploaded to setting on tower, the fag end of the first pull rope is bypassed into the 3rd insulation of conductor wire end Son is connected with the first shackle;The second shackle is set on one end of the second pull rope connecting insulator string, when the second pull rope is set When the one end for being equipped with the second shackle is uploaded to setting on tower, the fag end of the second pull rope is bypassed into the insulation of the 3rd, tower head end Son is connected with the second shackle.It is time saving and energy saving.
Step 9), 10) in loosen and tighten up the first pull rope and the second pull rope is completed by motor-driven grinding mill.Section Human-saving.
What the present invention was brought has the beneficial effect that:
" electrically whole string ceramic insulator is taken out using band and put to ground " this operation process can be rapidly completed, is line The safe and stable operation on road provides safeguard, and process safety is reliable, time saving and energy saving.
Brief description of the drawings
Fig. 1 is the structural representation of site operation of the embodiment of the present invention;
Fig. 2 is the top view of insulator chain position in the embodiment of the present invention;
Reference:
1st, the first electrician;2nd, the second electrician;3rd, the 3rd electrician;4th, anchor support;5th, aerial earth wire;6th, insulator chain;7th, absolutely Edge rope ladder;8th, the first insulation soft rope;9th, the second insulation soft rope;10th, the first transmission rope;11st, the second transmission rope;12nd, the first traction Rope;13rd, the second pull rope;14th, ground electrician;15th, motor-driven grinding mill;16th, tower head end special mould clamp;17th, hydraulic screw rod;18th, absolutely Edge suspension rod;19th, laborsaving screw mandrel;20th, conductor wire end special mould clamp;21st, tower head end insulator chain connection gold utensil;22nd, conductor wire end insulate Substring connection gold utensil.
Embodiment
The method of charged for replacement ± 500kV AC line anchor supports insulator chain 6, as shown in Figure 1-2, comprises the following steps:
1) Work tool prepares:Get out the first transmission rope 10, second transmission rope 11, safety belt, aerial earth wire coaster, insulation Rope ladder 7, the first insulation soft rope 8, the second insulation soft rope 9, tower head end special mould clamp 16, hydraulic screw rod 17, conductor wire end special mould clamp 20th, laborsaving screw mandrel 19, insulated hanging pole 18, the first pull rope 12, the first corner block, the second corner block, the second pull rope 13, 3rd corner block and motor-driven grinding mill 15;Wherein first transmission rope the 10, second transmission rope the 11, first pull rope 12, second traction Rope 13 is isolation material;
2) the first electrician 1, the second electrician 2, tower on the 3rd electrician 3:First electrician 1 carries anchor support on the first transmission rope 10 4, the hanging point position of aerial earth wire 5 on anchor support 4 is reached, the first transmission rope 10 is hung on anchor support 4;Second electrician 2 carries the Anchor support 4 on two transmission ropes 11, reaches the hanging point position of insulator chain 6 on anchor support 4;3rd electrician 3 accomplishes fluently upper resistance to after safety belt Tower 4 is opened, the hanging point position of insulator chain 6 on anchor support 4 is reached;
3) to the tool for transmitting of the first electrician 1:Aerial earth wire coaster is connected with one end of insulated flexible ladder 7 and connected, respectively will One end of first insulation soft rope 8, one end of the second insulation soft rope 9 and aerial earth wire coaster are connected firmly, and ground electrician 14 utilizes First transmission rope 10 transmits the aerial earth wire coaster assembled, insulated flexible ladder 7, the first insulation soft rope 8 and the second insulation soft rope 9 To the first electrician 1, the first electrician 1 hangs over aerial earth wire coaster on aerial earth wire 5, wherein, the other end of the first insulation soft rope 8 Controlled by the first electrician 1, the other end of the second insulation soft rope 9 is controlled by ground electrician 14;
4) the 3rd electrician 3 reaches conductor wire end setting:3rd electrician 3 connects the first transmission rope 10 with safety belt with it Connect, the first transmission is restricted 10 as backup protection rope, carry the second transmission rope 11 and ride on insulated flexible ladder 7, ground electricity Work 14 pulls the second insulation soft rope 9 to drive aerial earth wire coaster and the guide line end of insulated flexible ladder 7 to move, until the 3rd electrician 3 When reaching conductor wire end setting, pull the first insulation soft rope 8 to brake aerial earth wire coaster by the first electrician 1, make the 3rd electrician 3 The second transmission rope 11 is hung in conductor wire end after quickly entering conductor wire end setting, the 3rd electrician 3 entrance conductor wire end setting, and The first transmission rope 10 is unclamped, safety belt is buckled in conductor wire end;
5) upload and install tower head end and wire ending tool:Ground electrician 14 is special by tower head end using the first transmission rope 10 Fixture 16, hydraulic screw rod are transmitted to the second electrician 2, and tower head end special mould clamp 16 is fixed on tower head end insulator chain by the second electrician 2 In connection gold utensil 21, then one end of hydraulic screw rod is connected with tower head end special mould clamp 16;Ground electrician 14 utilizes second Conductor wire end special mould clamp 20, laborsaving screw mandrel 19 are passed to the 3rd electrician 3 by transmission rope 11, and the 3rd electrician 3 is by conductor wire end personality card Tool 20 is fixed in conductor wire end insulator chain connection gold utensil 22, then by one end of laborsaving screw mandrel 19 and conductor wire end special mould clamp 20 Connection;Then ground electrician 14 transmits 11 banding insulations of restricting with one end of the first transmission 10 banding insulation suspension rods 18 of rope with second The other end of suspension rod 18, while the transmission of lifting first rope 10, second transmits rope 11 insulated hanging pole 18 is passed into the second electrician 2 With the 3rd electrician 3, the second electrician 2 connects the other end of one end of insulated hanging pole 18 and hydraulic screw rod, and the 3rd electrician 3 will insulation The other end of suspension rod 18 is connected with the other end of laborsaving screw mandrel 19;
6) conductor wire end drafting tool is uploaded:Ground electrician 14 by the first pull rope 12 through the first corner block, second turn To coaster, the first corner blocks then are connected with the first transmission rope 10, the second corner block, utilization are connected with the second transmission rope 11 First the 10, second transmission of transmission rope rope 11 uploads the first pull rope 12 assembled, the first corner block, the second corner block Setting on to tower, the second electrician 2 by the first corner block be connected to it is horizontal it is smooth on, the 3rd electrician 3 connects the second corner block It is connected on conductor wire end special mould clamp 20, and by the 3rd insulator of one end of the first pull rope 12 and conductor wire end;
7) tower head end drafting tool is uploaded:Second pull rope 13 is passed through the 3rd corner block by ground electrician 14, then Face electrician 14 connects the 3rd corner blocks using the first transmission rope 10 and the 3rd corner block is transferred into setting on tower, and second 3rd corner block is connected in tower head end insulator chain connection gold utensil 21 by electrician 2, and one end and the tower of the second pull rope 13 The 3rd insulator connection of head end;
8) leading screw is tightened up:Second electrician 2 tightens up hydraulic screw rod, while the 3rd electrician 3 tightens up laborsaving screw mandrel 19, makes insulator Tension force suffered by string 6 is transferred on insulated hanging pole 18, and it is in bending to make insulator chain 6;
9) insulator chain 6 is unloaded:First pull rope 12 is wrapped on motor-driven grinding mill 15 by ground electrician 14, starts motor-driven strand Mill 15 tightens up the first pull rope 12, and the 3rd electrician 3 takes out the conductor wire end connecting bolt of insulator chain 6, takes off the conductor wire end of insulator chain 6 Go out;Then motor-driven grinding mill 15 is rotated backward, gradually loosens the first pull rope 12, the conductor wire end of insulator chain 6 is gradually put down, until First pull rope 12 does not stress completely;When the first pull rope 12 does not stress completely, ground electrician 14 twines the second pull rope 13 It is wound on motor-driven grinding mill 15, starts motor-driven grinding mill 15 and tighten up the second pull rope 13, the second electrician 2 takes out the tower head end of insulator chain 6 Connecting bolt, the tower head end of insulator chain 6 abjection, then rotates backward motor-driven grinding mill 15, gradually loosens the second pull rope 13, makes absolutely The tower head end of edge substring 6 is gradually put down, until being lowered into ground;
10) after the completion of detecting, insulator chain 6 resets:Ground electrician 14 utilizes the second pull rope 13 by the tower of insulator chain 6 Head end is promoted to job position on tower, and the second electrician 2 connects the tower head terminal bolt of insulator chain 6 in place, and ground electrician 14 utilizes The conductor wire end of insulator chain 6 is promoted to job position on tower by the first pull rope 12, and the 3rd electrician 3 is by the conductor wire end of insulator chain 6 Bolt connection unclamps the first pull rope 12, the second pull rope 13 in place, then;
11) instrument, the first electrician 1, the second electrician 2, the 3rd 3 times towers of electrician are passed under:Passed using the first transmission rope 10, second Rope 11 is passed to transmit the first pull rope 12, the first corner block, the second corner block, the second pull rope 13, the 3rd corner block Onto ground;Unclamp tower head end special mould clamp 16, hydraulic screw rod 17, conductor wire end special mould clamp 20, laborsaving screw mandrel 19 and insulating hanging Bar 18, and it is using first transmission rope the 10, second transmission rope 11 that tower head end special mould clamp 16, hydraulic screw rod 17, conductor wire end is special Fixture 20, laborsaving screw mandrel 19, insulated hanging pole 18, aerial earth wire coaster, insulated flexible ladder 7, the first insulation soft rope 8 and the second insulation are soft Rope 9 is delivered on ground;3rd electrician 3 carries the second transmission rope 11 using " by the way of two short three " exiting conductor wire end;First Electrician 1, the second electrician 2, the 3rd electrician 3 carry first transmission rope 10, second transmission rope 11 successively from anchor support about 4 to ground Face.
Can being rapidly completed " electrically take out whole string ceramic insulator using band and put to ground " by the present invention, this is made Industry process, can in time eliminate because insulator resistance is unsatisfactory for causing the possibility of circuit abnormal running requiring, improve line The safe and stable operation reliability on road;And the present invention coordinates aerial earth wire coaster by the 3rd electrician 3 from strain insulator using insulated flexible ladder 7 Conductor wire end is transported on tower 4, equipotential is transferred to by ground potential, while the instrument needed for carrying operation, reduces manpower loss, Operating efficiency is high.
Step 6) in, first shackle is set on one end of the connecting insulator string 6 of the first pull rope 12, when the first pull rope When 12 one end for being provided with the first shackle are uploaded to setting on tower, the fag end of the first pull rope 12 is bypassed into conductor wire end the 3rd Piece insulator is connected with the first shackle;Second shackle is set on one end of the connecting insulator string 6 of the second pull rope 13, when second When one end that pull rope 13 is provided with the second shackle is uploaded to setting on tower, the fag end of the second pull rope 13 is bypassed into tower head The 3rd insulator is held to be connected with the second shackle.It is time saving and energy saving.
Above-listed detailed description is illustrating for one of present invention possible embodiments, and the embodiment is simultaneously not used to limitation The scope of the claims of the present invention, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case In.

Claims (3)

1. the method for charged for replacement ± 500kV AC line anchor support insulator chains, it is characterised in that:Comprise the following steps:
1) Work tool prepares:Get out the first transmission rope, the second transmission rope, safety belt, aerial earth wire coaster, insulated flexible ladder, the One insulation soft rope, the second insulation soft rope, tower head end special mould clamp, hydraulic screw rod, conductor wire end special mould clamp, laborsaving screw mandrel, insulation Suspension rod, the first pull rope, the first corner block, the second corner block, the second pull rope, the 3rd corner block;Wherein first passes It is isolation material to pass rope, the second transmission rope, the first pull rope, the second pull rope;
2) the first electrician, the second electrician, the upper tower of the 3rd electrician:First electrician carries the first upper tower of transmission rope, reaches and is maked somebody a mere figurehead on tower Ground wire hanging point position, the first transmission rope is hung on tower;Second electrician carries the second upper tower of transmission rope, reaches insulator chain on tower Hanging point position;3rd electrician accomplishes fluently upper tower after safety belt, reaches insulator chain hanging point position on tower;
3) to first electrician's tool for transmitting:Aerial earth wire coaster is connected with one end of insulated flexible ladder and connected, it is exhausted by first respectively One end of edge tightrope, one end of the second insulation soft rope and aerial earth wire coaster are connected firmly, and ground electrician utilizes the first transmission rope The aerial earth wire coaster assembled, insulated flexible ladder, the first insulation soft rope and the second insulation soft rope are passed into the first electrician, first Electrician hangs over aerial earth wire coaster on aerial earth wire, wherein, the other end of the first insulation soft rope is controlled by the first electrician, and second The other end of insulation soft rope is controlled by ground electrician;
4) the 3rd electrician reaches conductor wire end setting:First transmission rope is connected by the 3rd electrician with safety belt with it, by the One transmission rope carries the second transmission and restricts and ride on insulated flexible ladder, ground electrician pulls second to insulate as backup protection rope Tightrope is to drive aerial earth wire coaster and insulated flexible ladder guide line end to move, when the 3rd electrician reaches conductor wire end setting, Pull the first insulation soft rope to brake aerial earth wire coaster by the first electrician, the 3rd electrician is quickly entered conductor wire end setting, 3rd electrician enter conductor wire end setting after by second transmission rope hang in conductor wire end, and unclamp first transmission rope, by safety belt It is buckled in conductor wire end;
5) upload and install tower head end and wire ending tool:Ground electrician is restricted tower head end special mould clamp, liquid using the first transmission Silk pressing thick stick is transmitted to the second electrician, and tower head end special mould clamp is fixed in the insulator chain connection gold utensil of tower head end by the second electrician, so One end of hydraulic screw rod is connected with tower head end special mould clamp afterwards;Ground electrician is restricted conductor wire end personality card using the second transmission Tool, laborsaving screw mandrel pass to the 3rd electrician, and conductor wire end special mould clamp is fixed on conductor wire end insulator chain connection gold by the 3rd electrician On tool, then one end of laborsaving screw mandrel is connected with conductor wire end special mould clamp;Then ground electrician is exhausted with the first transmission rope colligation One end of edge suspension rod, with second transmission restrict banding insulation suspension rod the other end, while lifting first transmission rope, second transmission rope with Insulated hanging pole is passed into the second electrician and the 3rd electrician, the second electrician is by one end of insulated hanging pole and the other end of hydraulic screw rod The other end of insulated hanging pole is connected by connection, the 3rd electrician with the other end of laborsaving screw mandrel;
6) conductor wire end drafting tool is uploaded:First pull rope is passed through the first corner block, the second corner block by ground electrician, so Afterwards with first transmission rope the first corner block of connection, with second transmission rope the second corner block of connection, restricted using the first transmission, the The first pull rope, the first corner block, the second corner block that assemble are uploaded to setting on tower, the second electricity by two transmission ropes Work by the first corner block be connected to it is horizontal it is smooth on, the second corner block is connected on conductor wire end special mould clamp by the 3rd electrician, and The 3rd insulator of one end of first pull rope and conductor wire end is connected;
7) tower head end drafting tool is uploaded:Second pull rope is passed through the 3rd corner block by ground electrician, then ground electrician profit With the first transmission rope the 3rd corner block of connection and the 3rd corner block is transferred to setting on tower, the second electrician is by the 3rd turn It is connected to coaster in the insulator chain connection gold utensil of tower head end, and one end of the second pull rope connects with the 3rd, tower head end insulator Connect;
8) leading screw is tightened up:Second electrician tightens up hydraulic screw rod, while the 3rd electrician tightens up laborsaving screw mandrel, makes suffered of insulator chain Power is transferred on insulated hanging pole, and it is in bending to make insulator chain;
9) insulator chain is unloaded:The first pull rope is tightened up, the 3rd electrician takes out insulator chain conductor wire end connecting bolt, makes insulator Conductor wire end of going here and there is deviate from;Then loosen the first pull rope, insulator chain conductor wire end is gradually put down;Tighten up the second pull rope, second Electrician takes out insulator chain tower head end connecting bolt, and then the abjection of insulator chain tower head end loosens the second pull rope, gradually will be exhausted Edge substring is lowered into ground;
10) after the completion of detecting, insulator chain resets:The tower head end of insulator chain is promoted to by ground electrician using the second pull rope Job position on tower, the second electrician connects insulator chain tower head terminal bolt in place, and ground electrician will be exhausted using the first pull rope The conductor wire end of edge substring is promoted to job position on tower, the 3rd electrician by insulator chain conductor wire end bolt connection in place, Ran Housong Drive the first pull rope, the second pull rope;
11) tower under instrument, the first electrician, the second electrician, the 3rd electrician is passed under:Restricted using the first transmission, the second transmission rope is by the One pull rope, the first corner block, the second corner block, the second pull rope, the 3rd corner block are delivered on ground;Unclamp tower Head end special mould clamp, hydraulic screw rod, conductor wire end special mould clamp, laborsaving screw mandrel and insulated hanging pole, and utilize the first transmission rope, second Transmission rope slides tower head end special mould clamp, hydraulic screw rod, conductor wire end special mould clamp, laborsaving screw mandrel, insulated hanging pole, aerial earth wire Car, insulated flexible ladder, the first insulation soft rope and the second insulation soft rope are delivered on ground;3rd electrician carries the second transmission rope and used " mode across two short three " exits conductor wire end;First electrician, the second electrician, the 3rd electrician carry the first transmission rope, the second transmission Rope descends tower successively.
2. the method for charged for replacement ± 500kV AC line anchor support insulator chains according to claim 1, its feature exists In:The step 6) in, the first shackle is set on one end of the first pull rope connecting insulator string, led when described first When one end that messenger is provided with the first shackle is uploaded to setting on tower, the fag end of first pull rope is bypassed into conductor wire end 3rd insulator is connected with the first shackle;The second shackle is set on one end of the second pull rope connecting insulator string, When one end that second pull rope is provided with the second shackle is uploaded to setting on tower, by the rope of second pull rope Head bypasses the 3rd, tower head end insulator and connected with the second shackle.
3. the method for charged for replacement ± 500kV AC line anchor support insulator chains according to claim 1 or 2, its feature It is:The step 9) in loosen and tighten up the first pull rope and the second pull rope is completed by motor-driven grinding mill.
CN201610180617.5A 2016-03-28 2016-03-28 The method of charged for replacement ± 500kV AC line anchor support insulator chains Active CN105743013B (en)

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CN106129896A (en) * 2016-07-26 2016-11-16 中国南方电网有限责任公司超高压输电公司柳州局 Pole insulator chain transmission method on ± 500kV common-tower double-return DC line tangent tower
CN110504643B (en) * 2019-10-11 2021-02-19 国核电力规划设计研究院重庆有限公司 Deep line tightening method for small isolated gear of power transmission line
CN110932168B (en) * 2019-11-18 2021-05-04 浙江省送变电工程有限公司 Method for replacing strain insulator of extra-high voltage direct current full tower

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