CN105762702B - The method of replacing ± 800kV DC power transmission line L insulator strings - Google Patents
The method of replacing ± 800kV DC power transmission line L insulator strings Download PDFInfo
- Publication number
- CN105762702B CN105762702B CN201610201317.0A CN201610201317A CN105762702B CN 105762702 B CN105762702 B CN 105762702B CN 201610201317 A CN201610201317 A CN 201610201317A CN 105762702 B CN105762702 B CN 105762702B
- Authority
- CN
- China
- Prior art keywords
- electrician
- rope
- transmission rope
- transmission
- insulator chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Electric Cable Installation (AREA)
Abstract
The method of replacing ± 800kV DC power transmission line L insulator strings, hydraulic pressure silk tool is replaced using double gearing leading screws, eliminate the drawbacks of hydraulic screw rod oil leak is stuck, and dexterously utilize the spatial relation of transmission rope, complete the replacing of transmission rope hanging point, manpower and materials are made full use of, the replacing to L insulator strings is realized.In addition, the present invention is braked using 8 subrings, manpower is reduced, it is flexibly practical.
Description
Technical field
The invention mainly relates to replacing insulator string technical field, more particularly to a kind of replacing ± 800kV DC transmission lines
The method of road L insulator strings.
Background technology
The general emigrant's direct currents of ± 800kV are the circuits that Southern Power Grid Company puts into operation for 2014, and its load is big, is related to area extensively, no
Allow unplanned property stoppage in transit occur, therefore when damaged, aging or other abnormal conditions occurs in composite insulation substring, need to take
The mode of livewire work is changed.But circuit time of putting into operation is short, and the corresponding general emigrant's direct current transportation of replacing ± 800kV is not found
Circuit L insulator string operational methods.
The content of the invention
The present invention provides a kind of method of replacing ± 800kV DC power transmission line L insulator strings, can be completed using this method
The work of the general emigrant's direct current L insulator strings of charged for replacement ± 800kV, eliminate causes circuit abnormal running because insulator is abnormal
Possibility, improve the safe and stable operation reliability of circuit.
The technical solution adopted in the present invention is：
The method of replacing ± 800kV DC power transmission line L insulator strings, comprises the following steps：
1) Work tool is prepared：Prepare first transmission rope, second transmission rope, hanging basket, electric potential transferring stick, the 3rd corner block,
Tower head end T connector, the first pair of gearing leading screw, the first suspension rod, conductor wire end are T-shaped, second pair of gearing screw mandrel, second hang
Bar, the first electrodeless rope sling, the one 8 subring, the first shackle, the second electrodeless rope sling, the 2nd 8 subring, the second shackle, the 3rd continuous rope
Set；
2) the upper tower of the first electrician：First electrician carries the first transmission rope and climbs up steel tower, and the first transmission rope is hung over into steel tower
On；Ground electrician is using the first transmission rope by the second upper tower of transmission rope transmission, and the second transmission rope is hung over steel tower by the first electrician
On cross-arm；
3) the second electrician climbs up the conductor wire end of insulator chain to be replaced：Ground electrician connects on the first transmission rope and hung
Basket；Second electrician is seated in hanging basket, and by the use of the second transmission rope as backup protection rope, using the first transmission rope lifting hanging basket,
Second electrician is transported to the conductor wire end of insulator chain to be replaced, it is laggard that the second electrician completes potential transfer using electric potential transferring stick
Enter the conductor wire end, while pulling down hanging basket；
4) conducting wire end corner block：5T the 3rd corner block is fixed on insulator chain to be replaced and led by the second electrician
On the yoke plate of line end；
5) hanging point position of the transmission of transfer first rope：First electrician carries the first transmission rope and reaches insulator chain to be replaced
Hanging point position, and the first transmission rope is fixed on the hanging point position of insulator chain to be replaced；
6) the second transmission rope penetrates the 3rd corner block：Second electrician penetrates the second transmission rope in the 3rd corner block；
7) assembling tool：Ground electrician is by tower head end T connector, the first pair of gearing leading screw, the first suspension rod and wire
End T connector is in turn connected into first group of instrument, then the second suspension rod and second pair of gearing leading screw are in turn connected into second
Group instrument；
8) upload and first and second group of instrument is installed：Ground electrician transmits first pair of gearing leading screw of colligation of restricting with first,
With the second transmission rope colligation conductor wire end T connector, pull the first transmission rope that first pair of gearing leading screw is passed into the first electricity
Work, the first electrician constructs the yoke plate that tower head end T connector is fixed on insulator chain tower head end to be replaced hole site, then lifts the
Conductor wire end T connector is passed to the second electrician by two transmission ropes, and the conductor wire end T connector is fixed on to be replaced exhausted by the second electrician
The yoke plate construction hole site of edge substring conductor wire end；Ground electrician transmits the free end for the suspension rod of colligation second of restricting with first, with second
Transmission rope second pair of gearing leading screw of colligation, pulls the first transmission rope that the free end of the second suspension rod is passed into the first electrician,
The free end of second suspension rod is connected in place by the first electrician with tower head end T connector, and second pair is driven by the transmission rope of lifting second
Mechanical leading screw passes to the second electrician, and second pair of gearing leading screw is connected in place by the second electrician with conductor wire end T connector；
9) leading screw is tightened up：First electrician tightens up first pair of gearing leading screw, and the second electrician tightens up second pair of gearing
Leading screw, the pulling force for bearing insulator chain to be replaced is transferred on first and second group of instrument；
10) the 3rd corner block hanging point is shifted：Second electrician is by the hanging point of the 3rd corner block by insulator chain to be replaced
On yoke plate position transfer to the wire of conductor wire end, the 3rd corner block is hung on wire by the first continuous rope set so that passed through
Second transmission rope can apply the power that insulator chain conductor wire end to be replaced is pulled to the insulator chain conductor wire end connection gold utensil to be replaced；
11) colligation and insulator chain is dismantled：First electrician utilizes the first tower head for transmitting rope colligation insulator chain to be replaced
End, the second electrician utilizes the second conductor wire end for transmitting rope colligation insulator chain to be replaced；The second transmission rope is pulled to cause to be replaced
The gold utensil of insulator chain conductor wire end is loose, and the second electrician takes out insulator chain wire terminal bolt to be replaced, and then ground electrician will
The tail rope part of second transmission rope bypasses the one 8 subring, the one 8 subring pass sequentially through the first shackle, the second electrodeless rope sling with
The tower leg connection of steel tower, is restricted using the transmission of the one 8 subring braking second；Pulling first to transmit rope makes insulator chain tower head to be replaced
The gold utensil at end is loose, and the first electrician takes out insulator chain tower head terminal bolt to be replaced, is passed while loosening the first transmission rope and second
Rope is passed, insulator chain to be replaced is put to ground；
12) insulator chain is changed：Ground electrician unties the first transmission rope and the second transmission rope on insulator chain to be replaced,
And the tower head end for the new insulator chain of colligation of being restricted with the first transmission, the conductor wire end for the new insulator chain of colligation of being restricted with the second transmission；
13) it is lifted up and new insulator chain is installed：The first transmission rope is pulled to make the new insulation to lift new insulator chain
The tower head end of substring reaches ground electrician in the mount point at the new insulator chain tower head end, lifting process and utilizes the second transmission rope control
New insulator chain is made, new insulator chain is not encountered wire, when the tower head end of the new insulator chain reaches the new insulator chain
After the mount point at tower head end, the first electrician is with tower head terminal bolt through the tower head end of the new insulator chain with by the new insulator chain
On steel tower, the second transmission rope is pulled to lift new insulator chain to the mount point of the new insulator chain conductor wire end, then
The conductor wire end of the new insulator chain is arranged in conductor wire end by the second electrician with wire terminal bolt；
14) first and second group of instrument is removed：First electrician is with the first transmission rope connection by first group of instrument, second group of instrument
The tower head end of the solid tool of composition, the second electrician connects the conductor wire end of the solid tool with the second transmission rope, then loosens the
A pair of gearing leading screw, second pair of gearing leading screw, make first pair of gearing leading screw, second pair of gearing leading screw by
Power is transferred to new insulator chain stress；Ground electrician restricts the first transmission, the second transmission rope is rotating around being connected on the one 8 subring, the
In 28 subrings, the one 8 subring is connected by the tower leg of the first shackle, the second electrodeless rope sling and steel tower, and the 2nd 8 subring passes through the
Two shackles, the tower leg connection of the 3rd electrodeless rope sling and steel tower；Slowly loosen the first transmission rope and the 2nd 8 in the one 8 subring again
The second transmission rope in subring, makes the solid tool slowly put to ground；
15) tower under the second electrician：First electrician hangs the hanging point position that the first transmission rope is carried to the second transmission rope, the
After two electricians check conductor wire end without legacy, hanging basket is connected to the first transmission rope, back-up protection is used as by the use of the second transmission rope
First transmission rope is connected on tower leg by rope, ground staff by the one 8 subring, the first shackle, the second electrodeless rope sling, by second
Transmission rope be connected to by the 2nd 8 subring, the second shackle, the 3rd electrodeless rope sling on tower leg, then slowly loosen the first transmission rope with
The tail rope of second transmission rope, makes hanging basket drop to ground；
16) transmission of decentralization second rope：After hanging basket landing, the first electrician is slowly put the second transmission rope using the first transmission rope
To ground；
17) tower under the first electrician：After first electrician is checked on tower without legacy, the first lower tower of transmission rope is carried.
The work of the general emigrant's direct current L insulator strings of charged for replacement ± 800kV, safe operation, letter can be completed using the above method
Single, can quickly eliminate causes the possibility of circuit abnormal running because insulator is abnormal, improves the safe and stable operation of circuit
Reliability.
Preferably, connected on the first transmission rope on the first corner block, the second transmission rope and connect the second corner block, in step
It is rapid 4) and step 5) between comprise the following steps：
I) hanging point position of the transmission of conversion second rope：Second transmission rope is hung over the by the first electrician together with the second corner block
On one transmission rope, the second transmission rope is transmitted to the second electrician together with the second corner block using the first transmission rope, the second electrician will
Second transmission rope is bypassed together with the second corner block and hung over again after wire on the first transmission rope, and the is transmitted to using the first transmission rope
One electrician, the first electrician again hangs over the second transmission rope on steel tower cross-arm；
Ii) the hanging point position of the transmission of conversion first rope：First electrician hangs over the first transmission rope together with the first corner block
On second transmission rope, the first transmission rope is transmitted to the second electrician, the second electrician together with the first corner block using the second transmission rope
First transmission rope is bypassed together with the first corner block and hung over again after wire on the second transmission rope, is transmitted to using the second transmission rope
First electrician, the first electrician again hangs over the first transmission rope on steel tower cross-arm.
By above-mentioned steps i) and step ii) it is that can be achieved the first transmission rope, the second transmission rope by close to steel tower tower body
Wire side be transferred to the wire side away from steel tower tower body, facilitate the first electrician that the first transmission is restricted, the second transmission rope fortune
On the correspondence position for being sent to outside insulator chain hanging point, outside insulator chain is changed with facilitating.
To after the conductor wire end of insulator chain to be replaced on the second electrician, when the first electrician need to carry the first transmission rope, the
When two transmission ropes are moved on tower, the second electrician holds the bottom of the first transmission rope and the second transmission rope, to mitigate the first electrician
Heavy burden.In actual applications, the gross weight of the first transmission rope and the second transmission rope is heavier, passes through the cooperation of the second electrician, side
Just the first electrician carries the first transmission rope and the second transmission rope is walked about on the cross-arm of steel tower.
What the present invention was brought has the beneficial effect that：
1st, safe operation, simple, can be rapidly completed the work of the general emigrant's direct current L insulator strings of charged for replacement ± 800kV；
2nd, rationally by the use of the construction hole of yoke plate as the strong point, the seamless connection of instrument is reached；
3rd, it is safe and reliable using double gearing leading screws, it is less prone to potential safety hazard；
4th, the ingenious spatial relation using transmission rope, completes the replacing of transmission rope hanging point；
5th, braked using 8 subrings, reduce manpower, it is more flexible.
Brief description of the drawings
Fig. 1 is the job site figure of the embodiment of the present invention；
Fig. 2 is the structural representation in the embodiment of the present invention during replacing insulator chain；
Reference：
1st, steel tower；2nd, cross-arm；3rd, insulator chain to be replaced；4th, the first electrician；5th, the second electrician；6th, wire；7th, the first nothing
Pole rope sling；8th, the first transmission rope；9th, the second transmission rope；10th, the 3rd corner block；11st, tower head end T connector；12nd, first pair of biography
Motivation tool leading screw；13rd, the first suspension rod；14th, conductor wire end T connector.
Embodiment
As shown in Figure 1-2, a kind of method of replacing ± 800kV DC power transmission line L insulator strings, comprises the following steps：
1) Work tool is prepared：Prepare the first transmission rope 8 (carrying the first corner block), the second transmission rope 9 and (carry second turn
To coaster), hanging basket, safety belt, electric potential transferring stick, long waist rope, the 3rd corner block 10, tower head end T connector 11, first pair biography
Motivation tool leading screw 12, the first suspension rod 13, conductor wire end are T-shaped, second pair of gearing screw mandrel, the second suspension rod, motor-driven grinding mill, the first nothing
Pole rope sling 7, the one 8 subring, the first shackle, the second electrodeless rope sling, the 2nd 8 subring, the second shackle, the 3rd electrodeless rope sling；
2) tower on the first electrician 4：First electrician 4 carries the first transmission rope 8 and climbs up steel tower 1, and the first transmission rope 8 is hung over
On steel tower 1；Ground electrician transmits the upper tower of 9 transmission of restricting by second using the first transmission rope 8, and the first electrician 4 hangs the second transmission rope 9
On the cross-arm 2 of steel tower 1；
3) on the second electrician 5 in the conductor wire end of insulator chain 3 to be replaced：Ground electrician connects on the first transmission rope 8
Hanging basket；Second electrician 5, which is accomplished fluently after safety belt, to be seated in hanging basket, and by the use of the second transmission rope 9 as backup protection rope, then by the
One transmission rope 8 is connected to motor-driven grinding mill, starts the conductor wire end that the second electrician 5 is transported to insulator chain 3 to be replaced by motor-driven grinding mill,
Second electrician 5 using electric potential transferring stick complete potential transfer after enter the conductor wire end, and by safety belt short rope by safety belt with
The conductor wire end is connected, while pulling down hanging basket；
4) the second electrician 5 connection backup protection rope：Ground electrician is restricted using the first transmission and 8 13 meters long waist rope is passed into the
One end of long waist rope is fixed on the cross-arm 2 of steel tower 1 by one electrician 4, the first electrician 4, and the second electrician 5 is by the other end of long waist rope
It is connected on safety belt, receives short as far as possible, as backup protection rope, safety belt is connected with long waist rope and untied afterwards in the conductor wire end in place
Safety belt short rope；
5) conducting wire end corner block：5T the 3rd corner block 10 is fixed on insulator to be replaced by the second electrician 5
Go here and there on the yoke plate of 3 conductor wire ends；
6) hanging point position of the transmission of transfer first rope 8：First electrician 4 carries the first transmission rope 8 and reaches insulator to be replaced
The hanging point position of string 3, and the first transmission rope 8 is fixed on the hanging point position of insulator chain 3 to be replaced；
7) the second transmission rope 9 penetrates the 3rd corner block 10：Second transmission rope 9 is penetrated the 3rd steering cunning by the second electrician 5
In car 10；
8) assembling tool：Ground electrician is by tower head end T connector 11, first pair of gearing leading screw 12, the first suspension rod 13
First group of instrument is in turn connected into conductor wire end T connector 14, then the second suspension rod and second pair of gearing leading screw are connected successively
It is connected into second group of instrument；
9) upload and first and second group of instrument is installed：Ground electrician transmits 8 colligation, first pair of gearing leading screw of restricting with first
12, with the second transmission 9 colligation conductor wire end T connectors 14 of rope, pull the first transmission rope 8 to transmit first pair of gearing leading screw 12
To the first electrician 4, tower head end T connector 11 is fixed on the yoke plate construction hole at the tower head end of insulator chain 3 to be replaced by the first electrician 4
Position, is installed in place, then lifts the second transmission rope 9 conductor wire end T connector 14 is passed into the second electrician 5, and the second electrician 5 should
Conductor wire end T connector 14 is fixed on the yoke plate construction hole site of the conductor wire end of insulator chain 3 to be replaced, is installed in place；Ground electrician
Restricted with the first transmission the free ends of 8 the second suspension rods of colligation, restricted 9 colligation, second pair of gearing leading screw with the second transmission, pull the
The free end of second suspension rod is passed to the first electrician 4 by one transmission rope 8, and the first electrician 4 is by the free end of the second suspension rod and tower head
End T connector 11 is connected in place, and second pair of gearing leading screw is passed to the second electrician 5, the second electricity by the transmission of lifting second rope 9
Second pair of gearing leading screw is connected in place with conductor wire end T connector 14；
10) leading screw is tightened up：First electrician 4 tightens up first pair of gearing leading screw 12, and the second electrician 5 tightens up second pair of transmission
Mechanical leading screw, the pulling force for bearing insulator chain 3 to be replaced is transferred on first and second group of instrument；
11) hanging point of the 3rd corner block 10 is shifted：Second electrician 5 is by the hanging point of the 3rd corner block 10 by insulation to be replaced
On the yoke plate position transfer of the conductor wire end of substring 3 to wire 6, wherein, the 3rd corner block 10 is hung over by the first electrodeless rope sling 7 and led
On line 6 so that being restricted by the second transmission 9 can apply and the conductor wire end of insulator chain 3 to be replaced is pulled into the insulator chain 3 to be replaced led
The power of line end connection gold utensil；
12) colligation and insulator chain is dismantled：First electrician 4 utilizes the first tower for transmitting rope 8 colligations insulator chain 3 to be replaced
Head end, the second electrician 5 utilizes the second conductor wire end for transmitting rope 9 colligations insulator chain 3 to be replaced；Ground electrician restricts the second transmission
9 are connected to motor-driven grinding mill, because the hanging point of the 3rd corner block 10 is located on wire 6, thus can pull the by motor-driven grinding mill
Two transmission ropes 9 may be such that the gold utensil of the conductor wire end of insulator chain 3 to be replaced is loose, and the second electrician 5 takes out insulator chain 3 to be replaced
Wire terminal bolt, then ground electrician by second transmission restrict 9 tail rope part bypass the one 8 subring, the one 8 subring is led to successively
Cross the first shackle, the second electrodeless rope sling to be connected with the tower leg of steel tower 1, then take out the second transmission rope 9 from motor-driven grinding mill, profit
With the second transmission of the one 8 subring braking rope 9；First transmission rope 8 is connected to motor-driven grinding mill by ground electrician, is drawn by motor-driven grinding mill
Dynamic first transmission rope 8 makes that the gold utensil at the tower head end of insulator chain 3 to be replaced is loose, and the first electrician 4 takes out the tower of insulator chain 3 to be replaced
Head end bolt；Ground electrician loosens the first transmission rope 8 and the second transmission rope 9 simultaneously, insulator chain 3 to be replaced is put to ground；
13) insulator chain is changed：Ground electrician unties the first transmission rope 8 and the second transmission on insulator chain 3 to be replaced
Rope 9, and with the tower head end of the first transmission rope new insulator chain of 8 colligations, with the wire of the second transmission rope new insulator chain of 9 colligations
End；
14) it is lifted up and new insulator chain is installed：First transmission rope 8 is connected to motor-driven grinding mill by ground electrician, is passed through
Motor-driven grinding mill pulls the first transmission rope 8 the tower head end of the new insulator chain is reached the new insulator chain to lift new insulator chain
Ground electrician makes new insulator chain not using the new insulator chain of control of the second transmission rope 9 in the mount point at tower head end, lifting process
Wire 6 can be encountered, after the tower head end of the new insulator chain reaches the mount point at the new insulator chain tower head end, the first electrician 4
Then loosen the through the tower head end of the new insulator chain so that the new insulator chain is arranged on steel tower 1 with tower head terminal bolt
One transmission rope 8, makes the first transmission rope 8 not stress, switchs to the new insulator chain tower head end gold utensil stress；Ground electrician passes first
Pass rope 8 to take out from motor-driven grinding mill, the second transmission rope 9 is connected to motor-driven grinding mill, pass through motor-driven grinding mill and pull the second transmission rope 9
To lift new insulator chain to the mount point of the new insulator chain conductor wire end, then the second electrician 5 is new by this with wire terminal bolt
The conductor wire end of insulator chain is arranged in conductor wire end；
16) first and second group of instrument is removed：First electrician 4 restricts 8 connections by first group of instrument, second group of work with the first transmission
Has the tower head end of the solid tool of composition, the second electrician 5 connects the conductor wire end of the solid tool, Ran Houfang with the second transmission rope 9
Loose first pair of gearing leading screw 12, second pair of gearing leading screw, make first pair of gearing leading screw 12, second pair of driver
Tool leading screw stress is transferred to new insulator chain stress；First transmission is restricted the 8, second transmission rope 9 rotating around being connected on the by ground electrician
In one 8 subrings, the 2nd 8 subring, the one 8 subring is connected by the first shackle, the second electrodeless rope sling with the tower leg of steel tower 1, and the 2nd 8
Subring is connected by the second shackle, the 3rd electrodeless rope sling with the tower leg of steel tower 1；First slowly loosened again in the one 8 subring passes
The second transmission rope 9 in the 8 and the 2nd 8 subring of rope is passed, the solid tool is slowly put to ground；
17) 5 times towers of the second electrician：First electrician 4 hangs the hanging point position that the first transmission rope 8 is carried to the second transmission rope 9
, the second electrician 5 check conductor wire end without legacy after, hanging basket is connected to the first transmission rope 8, by the use of second transmission rope 9 as
First transmission rope 8 is unloaded mouth, the second electrodeless rope sling by the one 8 subring, first and is connected to tower leg by backup protection rope, ground staff
On, the second transmission is restricted and 9 mouth, the 3rd electrodeless rope sling are unloaded by the 2nd 8 subring, second is connected on tower leg, then slowly loosens the
The tail rope of one transmission rope 8 and the second transmission rope 9, makes hanging basket drop to ground；
18) transmission of decentralization second rope 9：After hanging basket landing, the first electrician 4 is delayed the second transmission rope 9 using the first transmission rope 8
Slow play is to ground；
19) 4 times towers of the first electrician：First electrician 4 check tower on without legacy after, carry first transmission rope 8 times towers；
20) finishing tool：Ground electrician's finishing tool, sweeps operation field.
And in replacing ± 800kV DC power transmission line L insulator strings, insulator chain to be replaced includes inner side insulator
(hanging point is arranged on the insulator in the outside of 1 cross-arm of steel tower 2 for string (i.e. close to the insulator chain of the side of steel tower 1) and outside insulator chain
String), need to be by the hanging point of outside insulator chain in the outside of 1 cross-arm of steel tower 2, and in the first electricity and on the outside of replacing during insulator chain
Work 4 and ground electrician pull together to transport first the 8, second transmission of transmission rope rope 9 after steel tower 1, and the first transmission rope 8, second transmits rope 9
Between the tower body for being respectively positioned on wire 6 and steel tower 1 at the beginning, the transfer to first the 8, second transmission of transmission rope rope 9 need to be completed.That is,
On the outside of replacing during insulator chain, it is preferable that in step 4) and step 5) between comprise the following steps：
I) hanging point position of the transmission of conversion second rope 9：First electrician 4 transmits 9 (together with the second corner blocks) of restricting by second
Hang on the first transmission rope 8, second transmission 9 (together with the second corner blocks) of rope are transmitted to the second electrician using the first transmission rope 8
5, the second transmission 9 (together with the second corner blocks) of rope are bypassed and hung over again after wire 6 on first transmission rope 8 by the second electrician 5, profit
The first electrician 4 is transmitted to the first transmission rope 8, the first electrician 4 again hangs over the second transmission rope 9 on the cross-arm 2 of steel tower 1；
Ii) the hanging point position of the transmission of conversion first rope 8：First electrician 4 transmits 8 (together with the first corner blocks) of restricting by first
Hang on the second transmission rope 9, first transmission 8 (together with the first corner blocks) of rope are transmitted to the second electrician using the second transmission rope 9
5, the first transmission 8 (together with the first corner blocks) of rope are bypassed and hung over again after wire 6 on second transmission rope 9 by the second electrician 5, profit
The first electrician 4 is transmitted to the second transmission rope 9, the first electrician 4 again hangs over the first transmission rope 8 on the cross-arm 2 of steel tower 1.
By above-mentioned steps i) and step ii) it is that can be achieved the first transmission restricting the 8, second transmission rope 9 by close to the tower of steel tower 1
The side of wire 6 of body is transferred to the side of wire 6 away from the tower body of steel tower 1, facilitates the first electrician 4 to pass the first transmission rope 8, second
Pass rope 9 to be transported on the correspondence position of outside insulator chain hanging point, to realize the replacing of outside insulator chain.
And in actual applications, first transmission rope 8 and second transmission rope 9 gross weight it is heavier, if the first electrician 4 not by
External strength, it is more difficult to complete to take leading for insulator chain 3 to be replaced to respectively after rolling the first transmission rope 8 and the second transmission rope 9
Above line end hanging point and on the outside hanging point of 1 cross-arm of steel tower 2.
Moved to ensure that the first electrician 4 carries first the 8, second transmission of transmission rope rope 9 on steel tower 1, on the second electrician 5
To after the conductor wire end of insulator chain 3 to be replaced, moved up when the first electrician 4 need to carry the first transmission rope 8, second transmission rope 9 in tower
When dynamic, the second electrician 5 holds the bottom of the first transmission rope 8 and the second transmission rope 9, to mitigate the heavy burden of the first electrician 4, facilitates the
One electrician 4 carries the first transmission rope 8 and the second transmission rope 9 is walked about on the cross-arm 2 of steel tower 1.
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 replacing ± 800kV DC power transmission line L insulator strings, it is characterised in that：Comprise the following steps：
1) Work tool is prepared：Prepare the first transmission rope, the second transmission rope, hanging basket, electric potential transferring stick, the 3rd corner block, tower head
Hold T-shaped T connector, the first pair of gearing leading screw, the first suspension rod, conductor wire end, the second pair of gearing screw mandrel, the second suspension rod,
First electrodeless rope sling, the one 8 subring, the first shackle, the second electrodeless rope sling, the 2nd 8 subring, the second shackle, the 3rd electrodeless rope sling；
2) the upper tower of the first electrician：First electrician carries the first transmission rope and climbs up steel tower, and the first transmission rope is hung on steel tower；Ground
Face electrician is using the first transmission rope by the second upper tower of transmission rope transmission, and the first electrician hangs over the second transmission rope the cross-arm of steel tower
On；
3) the second electrician climbs up the conductor wire end of insulator chain to be replaced：Ground electrician connects hanging basket on the first transmission rope；The
Two electricians are seated in hanging basket, and by the use of the second transmission rope as backup protection rope, using the first transmission rope lifting hanging basket, by second
Electrician is transported to the conductor wire end of insulator chain to be replaced, and using entrance after electric potential transferring stick completion potential transfer, this leads the second electrician
Line end, while pulling down hanging basket；
4) conducting wire end corner block：5T the 3rd corner block is fixed on insulator chain conductor wire end to be replaced by the second electrician
Yoke plate on；
5) hanging point position of the transmission of transfer first rope：First electrician carries the hanging point that the first transmission rope reaches insulator chain to be replaced
Position, and the first transmission rope is fixed on the hanging point position of insulator chain to be replaced；
6) the second transmission rope penetrates the 3rd corner block：Second electrician penetrates the second transmission rope in the 3rd corner block；
7) assembling tool：Ground electrician is T-shaped by tower head end T connector, the first pair of gearing leading screw, the first suspension rod and conductor wire end
Joint is in turn connected into first group of instrument, then the second suspension rod and second pair of gearing leading screw are in turn connected into second group of work
Tool；
8) upload and first and second group of instrument is installed：Ground electrician is restricted first pair of gearing leading screw of colligation with the first transmission, with the
Two transmission rope colligation conductor wire end T connectors, pull the first transmission rope that first pair of gearing leading screw is passed into the first electrician, the
Tower head end T connector is fixed on the yoke plate construction hole site at insulator chain tower head end to be replaced by one electrician, then lifts the second biography
Pass rope and conductor wire end T connector is passed into the second electrician, the conductor wire end T connector is fixed on insulator to be replaced by the second electrician
The yoke plate construction hole site of string conductor wire end；Ground electrician is transmitted with the free end of the first transmission rope suspension rod of colligation second with second
Rope second pair of gearing leading screw of colligation, pulls the first transmission rope that the free end of the second suspension rod is passed into the first electrician, first
The free end of second suspension rod is connected in place by electrician with tower head end T connector, and the transmission of lifting second is restricted second pair of gearing
Leading screw passes to the second electrician, and second pair of gearing leading screw is connected in place by the second electrician with conductor wire end T connector；
9) leading screw is tightened up：First electrician tightens up first pair of gearing leading screw, and the second electrician tightens up second pair of gearing leading screw,
The pulling force for bearing insulator chain to be replaced is transferred on first and second group of instrument；
10) the 3rd corner block hanging point is shifted：Second electrician is by the hanging point of the 3rd corner block by insulator chain wire to be replaced
On yoke plate position transfer to the wire at end, the 3rd corner block is hung on wire by the first continuous rope set so that pass through second
Transmission rope can apply the power that insulator chain conductor wire end to be replaced is pulled to the insulator chain conductor wire end connection gold utensil to be replaced；
11) colligation and insulator chain is dismantled：First electrician transmits the tower head end for colligation insulator chain to be replaced of restricting using first, the
Two electricians utilize the second conductor wire end for transmitting rope colligation insulator chain to be replaced；The second transmission rope is pulled to cause insulator to be replaced
The gold utensil of string conductor wire end is loose, and the second electrician takes out insulator chain wire terminal bolt to be replaced, and then ground electrician passes second
The tail rope part for passing rope bypasses the one 8 subring, and the one 8 subring passes sequentially through the first shackle, the second electrodeless rope sling and steel tower
Tower leg is connected, and is restricted using the transmission of the one 8 subring braking second；The first transmission rope is pulled to make the gold at insulator chain tower head end to be replaced
Tool is loose, and the first electrician takes out insulator chain tower head terminal bolt to be replaced, while loosening the first transmission rope and the second transmission rope, makes
Insulator chain to be replaced is put to ground；
12) insulator chain is changed：Ground electrician unties the first transmission rope and the second transmission rope on insulator chain to be replaced, is used in combination
The tower head end of the first transmission rope new insulator chain of colligation, the conductor wire end for the new insulator chain of colligation of being restricted with the second transmission；
13) it is lifted up and new insulator chain is installed：The first transmission rope is pulled to make the new insulator chain to lift new insulator chain
To reach ground electrician in the mount point at the new insulator chain tower head end, lifting process new using the second transmission rope control at tower head end
Insulator chain, makes new insulator chain not encounter wire, when the tower head end of the new insulator chain reaches the new insulator chain tower head
After the mount point at end, the first electrician passes through the tower head end of the new insulator chain to install the new insulator chain with tower head terminal bolt
On steel tower, the second transmission rope is pulled to lift new insulator chain to the mount point of the new insulator chain conductor wire end, then second
The conductor wire end of the new insulator chain is arranged in conductor wire end by electrician with wire terminal bolt；
14) first and second group of instrument is removed：First electrician is made up of with the first transmission rope connection first group of instrument, second group of instrument
Solid tool tower head end, the second electrician with second transmission rope connect the solid tool conductor wire end, then loosen first pair
Gearing leading screw, second pair of gearing leading screw, turn first pair of gearing leading screw, second pair of gearing leading screw stress
Move to new insulator chain stress；Ground electrician by first transmission restrict, second transmission rope rotating around be connected on the one 8 subring, the 2nd 8 son
On ring, the one 8 subring is connected by the tower leg of the first shackle, the second electrodeless rope sling and steel tower, and the 2nd 8 subring is unloaded by second
The tower leg connection of button, the 3rd electrodeless rope sling and steel tower；Slowly loosen the first transmission rope and the 2nd 8 subring in the one 8 subring again
On second transmission rope, the solid tool is slowly put to ground；
15) tower under the second electrician：First electrician hangs the hanging point position that the first transmission rope is carried to the second transmission rope, the second electricity
After work checks conductor wire end without legacy, hanging basket is connected to the first transmission rope, backup protection rope, ground are used as by the use of the second transmission rope
First transmission rope is connected on tower leg by dough figurine person by the one 8 subring, the first shackle, the second electrodeless rope sling, by the second transmission
Rope is connected on tower leg by the 2nd 8 subring, the second shackle, the 3rd electrodeless rope sling, then slowly loosens the first transmission rope and second
The tail rope of rope is transmitted, hanging basket is dropped to ground；
16) transmission of decentralization second rope：After hanging basket landing, the first electrician is slowly put the second transmission rope to ground using the first transmission rope
Face；
17) tower under the first electrician：After first electrician is checked on tower without legacy, the first lower tower of transmission rope is carried.
2. the method for replacing ± 800kV DC power transmission line L insulator strings according to claim 1, it is characterised in that：Institute
State and the first corner block connected on the first transmission rope, the second corner block is connected on the second transmission rope, in step 4) and step
It is rapid 5) between comprise the following steps：
I) hanging point position of the transmission of conversion second rope：Second transmission rope together with the second corner block, is hung over first by the first electrician
On transmission rope, the second transmission rope is transmitted to the second electrician together with the second corner block using the first transmission rope, the second electrician is by the
Two transmission ropes are bypassed and hung over again after wire on the first transmission rope together with the second corner block, and the is transmitted to using the first transmission rope
One electrician, the first electrician again hangs over the second transmission rope on steel tower cross-arm；
Ii) the hanging point position of the transmission of conversion first rope：First transmission rope together with the first corner block, is hung over second by the first electrician
On transmission rope, the first transmission rope is transmitted to the second electrician together with the first corner block using the second transmission rope, the second electrician is by the
One transmission rope is bypassed and hung over again after wire on the second transmission rope together with the first corner block, and the is transmitted to using the second transmission rope
One electrician, the first electrician again hangs over the first transmission rope on steel tower cross-arm.
3. the method for replacing ± 800kV DC power transmission line L insulator strings according to claim 1 or 2, its feature exists
In：Arrived on the second electrician after the conductor wire end of insulator chain to be replaced, when the first electrician need to carry the first transmission rope, the second transmission
When rope is moved on tower, the second electrician holds the bottom of the first transmission rope and the second transmission rope, to mitigate the heavy burden of the first electrician.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610201317.0A CN105762702B (en) | 2016-04-01 | 2016-04-01 | The method of replacing ± 800kV DC power transmission line L insulator strings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610201317.0A CN105762702B (en) | 2016-04-01 | 2016-04-01 | The method of replacing ± 800kV DC power transmission line L insulator strings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105762702A CN105762702A (en) | 2016-07-13 |
| CN105762702B true CN105762702B (en) | 2017-08-04 |
Family
ID=56347108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610201317.0A Active CN105762702B (en) | 2016-04-01 | 2016-04-01 | The method of replacing ± 800kV DC power transmission line L insulator strings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105762702B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123948B (en) * | 2017-06-29 | 2018-12-21 | 国网河南省电力公司济源供电公司 | A kind of replacement route weight sheet devices |
| CN107512655B (en) * | 2017-08-22 | 2019-08-13 | 江苏省送变电公司 | A kind of hanging method of ultralong overweight wire insulation substring |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086488A1 (en) * | 2011-12-09 | 2013-06-13 | Quanta Associates , L .P. | Boom mountable robotic arm |
| CN104064990A (en) * | 2014-06-17 | 2014-09-24 | 中国南方电网有限责任公司超高压输电公司南宁局 | Novel in-out equal potential working method |
| CN104143782A (en) * | 2014-07-15 | 2014-11-12 | 中国南方电网有限责任公司超高压输电公司南宁局 | Electrified replacement tool and method for +/-800 kV circuit strain insulator string |
| CN104283146A (en) * | 2014-07-07 | 2015-01-14 | 中国南方电网有限责任公司超高压输电公司南宁局 | Device and method for replacing insulator string |
| CN104505763A (en) * | 2014-10-08 | 2015-04-08 | 国家电网公司 | Operating method for changing duplex V chain composite insulator on live line of extra-high voltage DC line |
| KR20150087785A (en) * | 2014-01-20 | 2015-07-30 | 서광전기통신공사(주) | Method for hot line work of power distribution equipment |
-
2016
- 2016-04-01 CN CN201610201317.0A patent/CN105762702B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086488A1 (en) * | 2011-12-09 | 2013-06-13 | Quanta Associates , L .P. | Boom mountable robotic arm |
| KR20150087785A (en) * | 2014-01-20 | 2015-07-30 | 서광전기통신공사(주) | Method for hot line work of power distribution equipment |
| CN104064990A (en) * | 2014-06-17 | 2014-09-24 | 中国南方电网有限责任公司超高压输电公司南宁局 | Novel in-out equal potential working method |
| CN104283146A (en) * | 2014-07-07 | 2015-01-14 | 中国南方电网有限责任公司超高压输电公司南宁局 | Device and method for replacing insulator string |
| CN104143782A (en) * | 2014-07-15 | 2014-11-12 | 中国南方电网有限责任公司超高压输电公司南宁局 | Electrified replacement tool and method for +/-800 kV circuit strain insulator string |
| CN104505763A (en) * | 2014-10-08 | 2015-04-08 | 国家电网公司 | Operating method for changing duplex V chain composite insulator on live line of extra-high voltage DC line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105762702A (en) | 2016-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101582572B (en) | Method of extra-high voltage tension stringing | |
| CN101252264B (en) | Equipotential electrical highfield hot-line working method | |
| CN105762702B (en) | The method of replacing ± 800kV DC power transmission line L insulator strings | |
| CN202997425U (en) | Hoisting device capable of replacing suspension type insulator chain under electrified state | |
| CN105743013B (en) | The method of charged for replacement ± 500kV AC line anchor support insulator chains | |
| CN105305317B (en) | Live wire hangs the instrument of insulated flexible ladder | |
| CN103594976B (en) | Combination stringing instrument for line conductor stringing | |
| CN207530438U (en) | Tangent tower ground wire line lifter | |
| CN207030773U (en) | The loop wheel machine special cart of secondary spring hooking device is installed | |
| CN104158112B (en) | Multi-purpose pedaled flying vehicle | |
| CN106786157A (en) | Transmission line of electricity Great span above the navigation water surface tears aging method open | |
| CN106356763A (en) | Method for entering equal potential of compact type electric transmission line and used folding ladder | |
| CN110854734B (en) | Method for replacing large yoke plate of strain insulator string of extra-high voltage direct current transmission line | |
| CN103274311A (en) | Rotary suspension arm of pole-hanging transformer | |
| CN207243306U (en) | Tower crane two sides jacks stock | |
| CN117200110A (en) | Double-insulator-string soft bus wire hanging method and device | |
| CN218231511U (en) | Self-unloading lifting appliance | |
| CN203536865U (en) | Combined wire-tightening tool for tightening line wire | |
| CN109038365B (en) | Load hoisting system for live replacement of 500kV linear insulator string | |
| CN215267389U (en) | Earth potential all-terrain load operation special tool | |
| CN103579952B (en) | Bulb fixing-line device for overhead transmission line stringing | |
| CN207158591U (en) | A kind of ultralong overweight wire insulation substring hangs auxiliary lifting appliance | |
| CN102403670A (en) | Quick wire picking device applied to 10 KV and below overhead power transmission lines | |
| CN221235135U (en) | Crane power-off heavy object safe lowering control device | |
| CN205063803U (en) | Rope ladder head of preventing falling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |