CN110120643B - A method for uninterrupted operation of ground potential distribution network power lines - Google Patents

Abstract

The invention provides a method for uninterrupted operation of power lines of a ground potential distribution network. The numbering of the staff on the pole is realized by the cooperative work of the No. 1 staff on the pole, the No. 2 staff on the pole and the No. 3 staff on the pole. The most efficient operation without power failure, then switch on the installation pole, measure the line current, measure and fabricate the lead and install the six-phase lead, then set the insulation shield on the power supply side and the load side, and then switch the load side on the lap pole Test the tower with the six-phase lead on the power supply side, then overlap the middle phase lead on the load side of the load switch and remove the insulation shielding measures, then overlap the phase lead on the load side of the load switch and the phase lead on the power supply side of the load switch, and finally disconnect the line resistance. Drainage lines on the original load side and power supply side of the tension rod. The invention realizes the uninterrupted operation of the power lines of the ground potential distribution network, effectively improves the safety and efficiency of the uninterrupted operation, and ensures the uninterrupted and efficient operation of the power lines of the ground potential distribution network.

Description

A method for uninterrupted operation of ground potential distribution network power lines

technical field

The invention relates to the technical field of electric power, in particular to a method for uninterrupted operation of power lines in a ground potential distribution network.

Background technique

Live work is an important means and method for power grid equipment inspection, maintenance and renovation, and an important technical measure to ensure the reliable and stable operation of the power system. With the continuous improvement of the reliability requirements of the power supply of the distribution network, the live operation and uninterrupted operation methods of the distribution line have also been widely used and promoted. The key technical parameters of live work mainly include minimum safety distance, minimum combination gap and minimum effective insulation length of insulating tools. With the rapid development of my country's economy and the continuous improvement of people's living standards, users' requirements for power supply reliability are increasing. In addition, with the rapid advancement of urbanization, roads need to be renovated, and the number of relocation lines, box-type transformers, ring network cabinets, and cables is increasing. Therefore, there is an urgent need to develop a method for uninterrupted operation of power lines in a ground potential distribution network to solve the problems in the prior art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an uninterrupted operation method for the power lines of the ground potential distribution network, which can realize the uninterrupted operation of the power lines of the ground potential distribution network, ensure the uninterrupted power supply of users, and realize the uninterrupted maintenance.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a method for uninterrupted operation of power lines of a ground potential distribution network, comprising the following steps:

S1. Climbing the pole: Number the pole-climbing personnel and divide them into No. 1 operator, No. 2 operator and No. 3 operator;

S2. Install the switch on the pole: the ground electrician uses an insulating rope to pass the insulating distance measuring pole to the No. 2 operator on the pole, and the No. 1 operator on the pole uses the insulating distance measuring pole to measure, and install the branch line 0.8m away from the cross arm under the main line Mark the position of the load switch, then install the insulating cross-arm shielding baffle, then install the branch line load switch and the cable on the pole, and remove the insulating cross-arm shielding baffle after installation;

S3. Measure line current: The No. 1 operator on the pole uses an insulating pole ammeter to measure the current of the three-phase main line and make a record;

S4. Measure and make lead wires and install six-phase lead wires: The No. 1 operator on the pole measures the lead length from the switch power supply side pile head and the load side pile head on each phase column to the wires of each phase with an insulated distance measuring rod, and according to Measure the lead length to make six branch leads;

S5. Install insulating shields on the power supply side and the load side: the ground operators pass the insulating fork rod operating rod and the insulating shielding cover to the No. 2 operator on the pole in turn, and the No. 1 operator on the pole uses the insulating fork rod operating rod to shield the insulation The cover is arranged on the phase conductors on both sides of the power supply side and the load side for insulation shielding;

S6. Test tower of six-phase leads on the load side and power supply side of the switch on the lap column: The No. 1 operator on the pole, with the cooperation of the No. 2 operator on the pole, installs the six-phase lead on the power supply side of the corresponding column switch respectively. On the pile head on the load side, pull open the knife switch of the switch on the column, so that the knife switch is in a disconnected state; the ground operator transmits the operating rod of the insulating wire clamp, the operating rod of the insulating lock rod, and the operating rod of the insulating sleeve to the rod in turn. Operator No. 2, the operator No. 1 on the rod adjusts the position, locks the free end of the side-phase lead with the insulating lock rod operating rod, and tries to lap the edge-phase main lead to check whether the lead is long enough, and the two sides are connected to each other. After the lead wire is tested, adjust the length of the phase leads on both sides, and then test the other three-phase leads on the load side of the switch on the column to check whether the length of the lead is long enough; the No. 1 operator on the pole uses an insulating fork lever to operate the lever Remove the insulating shield on the load side wire;

S7. Measures for connecting the middle phase lead on the load side of the load switch and removing the insulation shielding measures: the No. 1 staff on the pole and the No. 2 staff on the pole cooperate with each other to overlap the middle phase lead, each phase lead is installed with 2 special-shaped clips, and the pole Operator No. 1 locks the free end of the middle-phase lead wire on the load side of the switch on the column with an insulating lock rod, and conducts a trial connection at the lap joint of the live main wire of the middle-phase. The clip is installed at the lap joint of the main wire of the middle phase. The No. 1 operator on the pole uses an insulating lock rod to insert the free end of the middle phase lead into the special-shaped wire clip; the No. 3 operator on the pole uses an insulating sleeve to operate the rod to clamp the special-shaped wire. Tighten the bolts on the power supply side, and check whether the connection is firm and reliable; the No. 1 operator on the pole uses the insulating fork lever to remove the insulating shield on the power supply side wire;

S8. Lap the load side phase lead of the load switch: the No. 1 operator on the pole, the No. 2 operator on the pole, and the No. 3 operator on the pole cooperate with each other to overlap the phase lead on the other side of the load side of the load switch according to the same operation method; After the three-phase lead wires are overlapped, check whether the interphase distance meets the specifications. The person in charge of the work uses a telescope to check the screw tightening of the special-shaped wire clip or puncture wire clip, and whether the device meets the specifications;

S9. Lap the side phase lead of the load switch power supply: the No. 1 operator on the pole locks the free end of the side phase lead of the load switch power supply with an insulating lock rod, and the No. 2 operator on the pole uses an insulated wire clamp to operate the rod to lock the special-shaped wire The clamp is installed at the overlap of the side-phase main wires. The No. 1 operator on the pole uses an insulating lock rod to insert the free end of the side-phase lead into the special-shaped wire clip. Tighten the bolts of the clamp, and check whether the connection is firm and reliable, and use the same method to overlap the phase lead on the other side of the power supply side of the load switch;

S10. Drainage lines on the original load side and the power supply side of the tension rod of the broken line: the No. 1 operator on the pole, the No. 2 operator on the pole and the No. 3 operator on the pole cooperate with each other to cut the original load side and the power supply side of the line tension pole Phase drainage line; the operator comprehensively checks the safety and reliability of the device on the pole, and after confirming that there is no residue on the pole, the No. 1 operator on the pole, the No. 2 operator on the pole, and the No. 3 operator on the pole sequentially lower the pole.

In this embodiment, in S2, the specific installation steps of the insulating cross-arm shielding baffle are as follows: the ground operator transfers the two insulating transverse shielding baffles to the No. 2 operator on the pole in turn, and the No. 1 operator on the pole The hook is fixed on the hoop bolt of the cross arm under the main wire, and then the two shielding baffles are placed in the double-piece splint to lock, and are firmly tied to the pole.

In the present embodiment, in S2, the concrete steps of installing the branch line load switch and the cable on the pole are as follows: 1. The ground operator uses the insulating rope to transfer the wire sleeve to the No. 2 operator, and the No. 1 operator on the pole will fasten the wire sleeve The cement pole is moved to the bottom of the lower cross arm, and the fixed pulley end of the insulated tricycle block passed by the No. 2 operator is hung into the steel wire sleeve; II. The ground operator hangs the movable pulley end of the insulated tricycle block. Put into the load switch sling, the pulley rope is tightened through the pole root steering pulley, and the load switch is unscrewed. After the ground operator installs the zinc oxide arrester on the load switch and the fixing frame on the load switch rod, continue to tighten the pulley rope , lift the load switch to the cement pole 1.5-2.5m below the main line cross arm and fix it, and open the switch and knife switch of the load switch. After the load switch is fixed, remove the insulated tricycle block and wire sleeve; The No. 1 operator uses a steel wire sleeve to fix the small pulley on the cement pole near the installation of the load switch, and fastens one end of the insulating working rope 2 meters below the cable head through the pulley, and the ground operators tighten the other end of the insulating working rope to make the The cable head is lifted to the upper side of the load switch, the No. 1 operator on the pole and the No. 2 operator on the pole cooperate to fix the cable head on the load end of the load switch, and then install the pole to fix the cable hoop, cable sheath and zinc oxide arrester the down-conductor connection, then remove the wire sleeve and pulley.

In this embodiment, in S5, the effective insulation length of the insulating fork lever operating rod is greater than 0.7m.

In this embodiment, in S5, the overlapping portion of the wire and the insulating shield is greater than 15 cm.

In this embodiment, in S6, when the six-phase lead is installed, the other end of the six-phase lead faces the direction of the pile head on the load side, and the air distance between the lead and the live conductor is less than 0.4m.

In this embodiment, in S7, the distance between the lead and the pole is greater than 30 cm.

In this embodiment, in S10, the No. 1 operator on the pole, the No. 2 operator on the pole, and the No. 3 operator on the pole cooperate with each other to cut the drain line between the original load side and the power supply side of the line tension rod, specifically including the following steps : a. The ground operator uses the insulating work rope to pass the insulating lock rod and the insulating scissors to the No. 2 worker on the pole in turn; b. The No. 2 worker on the pole wears insulating gloves and protective gloves and uses the insulating lock bar to lock the load side Appropriate position on the lead wire side of the side-phase lead; c. The No. 1 operator on the pole cuts off the wire side of the lead wire with insulated wire cutting scissors; d. The No. 2 operator on the pole uses an insulating lock rod to lower the cut lead to a suitable position, and Keep a sufficient safety distance from conductors such as cross arms; e. The No. 1 operator on the pole is moved to a suitable position on the power supply side, and the No. 3 operator on the pole wears insulating gloves and protective gloves, and uses an insulating lock rod to lock the side of the power supply At the appropriate position on the wire side of the phase lead, the No. 1 operator on the pole cuts off the wire side of the lead wire with insulated wire scissors; f. The No. 1 operator on the pole cuts the drainage wire on the cross arm side respectively; the No. 2 operator on the pole uses Insulated work ropes deliver the cut drain wire to the ground.

After the above technical solution is adopted, the present invention numbers the staff on the pole, and divides them into No. 1 staff on the pole, No. 2 staff on the pole and No. 3 staff on the pole. The cooperative work of No. 1 staff and No. 3 staff on the pole realizes the maximum efficiency of non-stop operation, and then performs the switch operation on the installation pole, and the No. 1 staff uses an insulating rod ammeter to measure the current of the three-phase main line and record it. The No. 1 operator on the pole measures the lead length from the switch power supply side pile head and the load side pile head on each phase column to the wires of each phase with an insulated distance measuring rod, and makes six branch lead wires according to the measured lead length, and then the power supply side and The load side is provided with an insulating shield, followed by the test tower of the six-phase lead of the switch load side and the power supply side on the lap column, and then the middle phase lead of the load side of the load switch is overlapped and the insulation shielding measures are removed, and then the load side phase of the load switch is overlapped. Lead and overlap the phase lead on the side of the load switch power supply, and finally disconnect the original load side of the line tension rod and the drain line on the power supply side. Through the efficient cooperation of the No. 1 staff on the pole, the No. 2 staff on the pole and the No. 3 staff on the pole, the uninterrupted operation of the power lines of the ground potential distribution network is realized, and the safety and efficiency of the uninterrupted operation are effectively improved. Ensure that the power lines of the ground potential distribution network operate efficiently without interruptions.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings:

FIG. 1 is a schematic flowchart of a method for uninterrupted operation of a power line in a ground potential distribution network proposed by the present invention.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the following "up", "down", "left", "right", "portrait", "horizontal", "inner", "outer", "vertical", "horizontal", " The words indicating the orientation or positional relationship such as "top" and "bottom" are only based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device/element must have a specific orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

As shown in FIG. 1 , the present invention provides a method for uninterrupted operation of power lines in a ground potential distribution network, including the following steps:

S1. Climbing the pole: Number the pole-climbing personnel and divide them into No. 1 operator, No. 2 operator and No. 3 operator;

S2. Install the switch on the pole: the ground electrician uses an insulating rope to pass the insulating distance measuring pole to the No. 2 operator on the pole, and the No. 1 operator on the pole uses the insulating distance measuring pole to measure, and install the branch line 0.8m away from the cross arm under the main line Mark the position of the load switch, then install the insulating cross-arm shielding baffle, then install the branch line load switch and the cable on the pole, and remove the insulating cross-arm shielding baffle after installation;

S3. Measure line current: The No. 1 operator on the pole uses an insulating pole ammeter to measure the current of the three-phase main line and make a record;

S4. Measure and make lead wires and install six-phase lead wires: The No. 1 operator on the pole measures the lead length from the switch power supply side pile head and the load side pile head on each phase column to the wires of each phase with an insulated distance measuring rod, and according to Measure the lead length to make six branch leads;

S5. Install insulating shields on the power supply side and the load side: the ground operators pass the insulating fork rod operating rod and the insulating shielding cover to the No. 2 operator on the pole in turn, and the No. 1 operator on the pole uses the insulating fork rod operating rod to shield the insulation The cover is arranged on the phase conductors on both sides of the power supply side and the load side for insulation shielding;

S6. Test tower of six-phase leads on the load side and power supply side of the switch on the lap column: The No. 1 operator on the pole, with the cooperation of the No. 2 operator on the pole, installs the six-phase lead on the power supply side of the corresponding column switch respectively. On the pile head on the load side, pull open the knife switch of the switch on the column, so that the knife switch is in a disconnected state; the ground operator transmits the operating rod of the insulating wire clamp, the operating rod of the insulating lock rod, and the operating rod of the insulating sleeve to the rod in turn. Operator No. 2, the operator No. 1 on the rod adjusts the position, locks the free end of the side-phase lead with the insulating lock rod operating rod, and tries to lap the edge-phase main lead to check whether the lead is long enough, and the two sides are connected to each other. After the lead wire is tested, adjust the length of the phase leads on both sides, and then test the other three-phase leads on the load side of the switch on the column to check whether the length of the lead is long enough; the No. 1 operator on the pole uses an insulating fork lever to operate the lever Remove the insulating shield on the load side wire;

S7. Measures for connecting the middle phase lead on the load side of the load switch and removing the insulation shielding measures: the No. 1 staff on the pole and the No. 2 staff on the pole cooperate with each other to overlap the middle phase lead, each phase lead is installed with 2 special-shaped clips, and the pole Operator No. 1 locks the free end of the middle-phase lead wire on the load side of the switch on the column with an insulating lock rod, and conducts a trial connection at the lap joint of the live main wire of the middle-phase. The clip is installed at the lap joint of the main wire of the middle phase. The No. 1 operator on the pole uses an insulating lock rod to insert the free end of the middle phase lead into the special-shaped wire clip; the No. 3 operator on the pole uses an insulating sleeve to operate the rod to clamp the special-shaped wire. Tighten the bolts on the power supply side, and check whether the connection is firm and reliable; the No. 1 operator on the pole uses the insulating fork lever to remove the insulating shield on the power supply side wire;

S8. Lap the load side phase lead of the load switch: the No. 1 operator on the pole, the No. 2 operator on the pole, and the No. 3 operator on the pole cooperate with each other to overlap the phase lead on the other side of the load side of the load switch according to the same operation method; After the three-phase lead wires are overlapped, check whether the interphase distance meets the specifications. The person in charge of the work uses a telescope to check the screw tightening of the special-shaped wire clip or puncture wire clip, and whether the device meets the specifications;

S9. Lap the side phase lead of the load switch power supply: the No. 1 operator on the pole locks the free end of the side phase lead of the load switch power supply with an insulating lock rod, and the No. 2 operator on the pole uses an insulated wire clamp to operate the rod to lock the special-shaped wire The clamp is installed at the overlap of the side-phase main wires. The No. 1 operator on the pole uses an insulating lock rod to insert the free end of the side-phase lead into the special-shaped wire clip. Tighten the bolts of the clamp, and check whether the connection is firm and reliable, and use the same method to overlap the phase lead on the other side of the power supply side of the load switch;

S10. Drainage lines on the original load side and the power supply side of the tension rod of the broken line: the No. 1 operator on the pole, the No. 2 operator on the pole and the No. 3 operator on the pole cooperate with each other to cut the original load side and the power supply side of the line tension pole Phase drainage line; the operator comprehensively checks the safety and reliability of the device on the pole, and after confirming that there is no residue on the pole, the No. 1 operator on the pole, the No. 2 operator on the pole, and the No. 3 operator on the pole sequentially lower the pole.

In this embodiment, in S2, the specific installation steps of the insulating cross-arm shielding baffle are as follows: the ground operator transfers the two insulating transverse shielding baffles to the No. 2 operator on the pole in turn, and the No. 1 operator on the pole The hook is fixed on the hoop bolt of the cross arm under the main wire, and then the two shielding baffles are placed in the double-piece splint to lock, and are firmly tied to the pole.

In the present embodiment, in S2, the concrete steps of installing the branch line load switch and the cable on the pole are as follows: 1. The ground operator uses the insulating rope to transfer the wire sleeve to the No. 2 operator, and the No. 1 operator on the pole will fasten the wire sleeve The cement pole is moved to the bottom of the lower cross arm, and the fixed pulley end of the insulated tricycle block passed by the No. 2 operator is hung into the steel wire sleeve; II. The ground operator hangs the movable pulley end of the insulated tricycle block. Put into the load switch sling, the pulley rope is tightened through the pole root steering pulley, and the load switch is unscrewed. After the ground operator installs the zinc oxide arrester on the load switch and the fixing frame on the load switch rod, continue to tighten the pulley rope , lift the load switch to the cement pole 1.5-2.5m below the main line cross arm and fix it, and open the switch and knife switch of the load switch. After the load switch is fixed, remove the insulated tricycle block and wire sleeve; The No. 1 operator uses a steel wire sleeve to fix the small pulley on the cement pole near the installation of the load switch, and fastens one end of the insulating working rope 2 meters below the cable head through the pulley, and the ground operators tighten the other end of the insulating working rope to make the The cable head is lifted to the upper side of the load switch, the No. 1 operator on the pole and the No. 2 operator on the pole cooperate to fix the cable head on the load end of the load switch, and then install the pole to fix the cable hoop, cable sheath and zinc oxide arrester the down-conductor connection, then remove the wire sleeve and pulley.

In this embodiment, in S5, the effective insulation length of the insulating fork lever operating rod is greater than 0.7m. The safety of the insulating fork rod operating rod can be effectively improved, and the safety of live work operation can be improved.

In this embodiment, in S5, the overlapping portion of the wire and the insulating shielding cover is greater than 15 cm, which can effectively improve the insulating shielding effect and improve the insulating performance.

In this embodiment, in S6, when the six-phase lead is installed, the other end of the six-phase lead faces the direction of the pile head on the load side, and the air distance between the lead and the live conductor is less than 0.4m, which can effectively improve the safety of live operation.

In this embodiment, in S7, the distance between the lead and the pole is greater than 30 cm, which can effectively improve the safety of live operation.

In this embodiment, in S10, the No. 1 operator on the pole, the No. 2 operator on the pole, and the No. 3 operator on the pole cooperate with each other to cut the drain line between the original load side and the power supply side of the line tension rod, specifically including the following steps : a. The ground operator uses the insulating work rope to pass the insulating lock rod and the insulating scissors to the No. 2 worker on the pole in turn; b. The No. 2 worker on the pole wears insulating gloves and protective gloves and uses the insulating lock bar to lock the load side Appropriate position on the lead wire side of the side-phase lead; c. The No. 1 operator on the pole cuts off the wire side of the lead wire with insulated wire cutting scissors; d. The No. 2 operator on the pole uses an insulating lock rod to lower the cut lead to a suitable position, and Keep a sufficient safety distance from conductors such as cross arms; e. The No. 1 operator on the pole is moved to a suitable position on the power supply side, and the No. 3 operator on the pole wears insulating gloves and protective gloves, and uses an insulating lock rod to lock the side of the power supply At the appropriate position on the wire side of the phase lead, the No. 1 operator on the pole cuts off the wire side of the lead wire with insulated wire scissors; f. The No. 1 operator on the pole cuts the drainage wire on the cross arm side respectively; the No. 2 operator on the pole uses Insulated work ropes deliver the cut drain wire to the ground.

It is understandable that the electrician on the underside uses an insulating rope to pass the insulating distance measuring rod to the No. 2 worker on the pole, and the No. 1 worker on the pole wears insulating gloves and uses the insulating distance measuring pole to measure, and cross-arm the distance from the main line. The position where the branch line load switch is installed at 0.8m is marked. The ground electrician installs the handle of the insulating shielding baffle. After adjusting the boom, the insulating suspending rope is tied to the hoisting ring. The ground operator uses the insulating rope to shield the two insulating horizontal planes. The baffle is passed to the No. 2 operator on the pole in turn. The No. 1 operator on the pole wears insulating gloves, holds the handle boom of the shielding baffle and fixes the hook on the hoop bolt of the cross arm under the main wire, and then attaches the two pieces. The shielding baffle is placed in the double-piece splint and locked, and is firmly tied to the pole.

It is understandable that after the insulation and shielding measures are completed, the branch line load switch and the cable on the pole are installed immediately. The ground operator uses the insulating rope to pass the wire sleeve to the No. 2 operator, and the No. 1 operator on the pole traps the wire sleeve. The cement pole is moved to the bottom of the lower cross arm, and the fixed pulley end of the insulated three-wheel pulley set passed on by the No. 2 operator is hung into the steel wire sleeve. The ground operator hangs the movable pulley end of the insulated tricycle block into the load switch sling, and the pulley rope is tightened through the pole root steering pulley to unscrew the load switch. After the ground operators install the zinc oxide arrester on the load switch and the fixing frame on the load switch pole. Continue to tighten the rope of the pulley, lift the load switch to the cement pole about 2m below the cross arm of the main line and fix it, and open the switch and the knife switch of the load switch. After the load switch is fixed, remove the insulated tricycle block and wire sleeve. The No. 1 operator on the pole uses a steel wire sleeve to fix the small pulley on the cement pole near the installation of the load switch, and fastens one end of the insulating working rope through the pulley to 2 meters below the cable head, and the ground operator tightens the other end of the insulating working rope , so that the cable head is lifted to the upper side of the load switch, and the No. 1 and No. 2 operators on the pole cooperate to fix the cable head on the load end of the load switch. Then fix the cable hoop, the cable sheath and the down-conductor connection of the zinc oxide arrester on the installation pole, and remove the steel wire sleeve and the pulley. Operator No. 1 on the pole wears insulating gloves to remove the insulating horizontal shielding baffle, and operator No. 2 uses an insulating rope to transfer the insulating shielding baffle to the ground.

It is understandable that when installing and connecting the cable head on the load switch, the cross arm shielding baffle should be used to cover the lower cross arm of the main line to ensure that the operator on the pole maintains a safe distance.

After the work of connecting the power supply side and the load side of the line load switch is completed, check the installation and quality of the switch on the line pole, make sure that the device meets the operating standards, and use an insulating rod after the wiring phase of the switch on the line pole is the same as the phase of the conductor. Close the switch on the line pole to put the switch on the line pole into operation. After checking and verifying that the switch on the line pole is operating normally, the No. 1 operator on the pole wears insulating gloves, and uses an insulating pole-type ammeter to measure the three-phase lead current on the load side of the switch on the pole to verify that there is current passing through the load side of the load switch, and do Record.

In addition to the above-mentioned preferred embodiments, the present invention also has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention, as long as they do not depart from the spirit of the present invention, they shall all belong to the definitions of the appended claims of the present invention scope.

Claims (8)

1. A method for operating a ground potential distribution network power line without power outage is characterized by comprising the following steps:

s1, climbing a rod: numbering the pole climbing personnel, and dividing the pole climbing personnel into No. 1 operating personnel, No. 2 operating personnel and No. 3 operating personnel;

s2, installing a switch on the rod: the ground electrician uses an insulating rope to transmit an insulating distance measuring rod to No. 2 operators on the rod, No. 1 operators on the rod use the insulating distance measuring rod to measure, marks the position of a branch load switch at a position 0.8m away from a cross arm under a main line, installs an insulating cross arm shielding baffle, then installs the branch load switch and a cable on the rod, and removes the insulating cross arm shielding baffle after the installation is finished;

s3, measuring line current: the operator No. 1 on the rod uses an insulating rod ammeter to measure and record the current of the three-phase wire;

s4, measuring and manufacturing a lead and installing a six-phase lead: the operator No. 1 on the pole measures the length of a lead between a power supply side pile head and a load side pile head of each phase of load switch and each phase of conductor by using an insulating distance measuring pole, and six branch leads are manufactured according to the measured lead length;

s5, arranging insulation shielding covers on the power supply side and the load side: the ground operator sequentially transfers the insulating fork rod operating rod and the insulating shielding cover to No. 2 operators on the rod, and No. 1 operators on the rod use the insulating fork rod operating rod to arrange the insulating shielding cover on the phase conductors on the two sides of the power supply side and the load side for insulating shielding;

s6, lapping the six-phase lead test tower on the load side and the power supply side of the load switch: the operator No. 1 on the pole respectively installs the six-phase lead wires on the power side and the load side pile heads of the corresponding load switches under the coordination of the operator No. 2 on the pole, and pulls open the disconnecting link of the load switches to enable the disconnecting link to be in a disconnected state; the ground operator sequentially transfers an insulating wire clamp operating rod, an insulating lock rod operating rod and an insulating sleeve operating rod to No. 2 operators on the rod, the No. 1 operator on the rod adjusts the position, the free ends of the side phase leads are locked by the insulating lock rod operating rod, trial lapping is carried out at the lap joint of the side phase leads to check whether the leads are long enough, the lengths of the side phase leads are adjusted after the side phase leads are trial lapped, then trial lapping is carried out on the other three-phase leads on the load side of the load switch, and the lengths of the leads are checked whether the leads are long enough; no. 1 operator on the rod uses an insulating fork lever operating rod to take down an insulating shielding cover on a load side conductor;

s7, lapping the middle phase lead wire on the load side of the load switch and removing the insulation shielding measures: the working personnel No. 1 on the pole and the working personnel No. 2 on the pole are matched with each other to lap the middle phase lead, each phase lead is provided with 2 special-shaped wire clamps, the working personnel No. 1 on the pole uses an insulating lock rod operating rod to lock the free end of the middle phase lead on the load side of the load switch, trial lapping is carried out at the lap joint of the middle phase live lead, the working personnel No. 2 on the pole uses the insulating wire clamp operating rod to install the special-shaped wire clamps at the lap joint of the middle phase lead, and the working personnel No. 1 on the pole uses the insulating lock rod operating rod to penetrate the free end of; the No. 3 operator on the rod uses the insulating sleeve operating rod to screw up each bolt of the special-shaped wire clamp and checks whether the connection is firm and reliable; the No. 1 worker on the rod uses the insulating fork lever to operate the rod to take down the insulating shielding cover on the power supply side wire;

s8, lapping a load side phase lead of the load switch: the operator No. 1 on the rod, the operator No. 2 on the rod and the operator No. 3 on the rod are matched with each other to lap joint the phase lead on the other side of the load switch according to the same operation method; after the three-phase lead is lapped, whether the distance between phases meets the standard or not is checked, a working person in charge checks the screw fastening condition of the special-shaped wire clamp through a telescope, and whether the device meets the standard or not is judged;

s9, lapping a side phase lead of the load switch power supply: the method comprises the following steps that 1, an operator on a rod locks the free end of a phase lead at the side of a load switch power supply by using an insulating lock rod operating rod, 2, the operator on the rod uses an insulating wire clamp operating rod to install a special-shaped wire clamp at the lap joint of side phase leads, 1, the operator on the rod uses the insulating lock rod operating rod to penetrate the free end of the side phase lead into the special-shaped wire clamp, 3, the operator on the rod uses an insulating sleeve operating rod to screw bolts of the special-shaped wire clamp tightly and check whether connection is firm and reliable, and the other side of the load switch power supply is lapped in the same mode;

s10, breaking the original load side of the tension rod and the power supply side drainage wire: the No. 1 operator on the pole, the No. 2 operator on the pole and the No. 3 operator on the pole are matched with each other to cut off the original load side and the power side phase drainage wires of the tension-resistant pole of the line; the device on the pole is examined safely and reliably comprehensively to the operating personnel to No. 1 operating personnel on the pole and No. 2 operating personnel on the pole and No. 3 operating personnel on the pole get off the pole in proper order after determining that there is no relic on the pole.

2. The uninterrupted power operation method for the power line of the ground potential distribution network according to claim 1, wherein in the step S2, the specific installation steps of the shielding baffle of the insulating cross arm are as follows: ground operating personnel shield the baffle with two insulating cross arms and transmit for No. 2 operating personnel on the pole in proper order, and No. 1 operating personnel will prick the hook and fix under the wire on the staple bolt of cross arm, then lay into biplate splint with two shield the baffle and pin to it is firm to bind with the pole.

3. The uninterrupted operation method for the power line of the ground potential distribution network according to claim 1, wherein in the step S2, the specific steps for installing the branch load switch and the cable on the rod are as follows: I. the ground operator uses an insulating rope to transmit the steel wire sleeve to No. 2 operator, the No. 1 operator on the rod sleeves the steel wire sleeve on the cement rod and then moves to the lower part of the lower cross arm, and the fixed pulley end of the insulating three-wheel sliding car group transmitted by the No. 2 operator is hung in the steel wire sleeve; II. The ground operator hangs the movable pulley end of the insulated three-wheel pulley block into a load switch lifting rope, the pulley block rope turns to the pulley through a rod root to tighten the pulley, the load switch is twisted to float, the ground operator continues to tighten the pulley block rope after installing a zinc oxide arrester and a load switch rod upper fixing frame on the load switch, the load switch is lifted to a cement rod 1.5-2.5m below a main line cross arm to be fixed, a switch and a disconnecting link of the load switch are pulled open, and the insulated three-wheel pulley block and a steel wire sleeve are removed after the load switch is fixed; no. 1 operation personnel uses the steel wire cover to fix the coaster on the near cement pole of load switch installation department on the pole, 2 meters below the firm cable end of going through the coaster with insulating work rope one end, ground operation personnel tighten up the other end of insulating work rope, make the cable end promote to the load switch upside, No. 1 operation personnel cooperates with No. 2 operation personnel on the pole and fixes the cable end at load switch load end on the pole, then fixed cable staple bolt on the installation pole, the downlead of cable sheathing pipe and zinc oxide arrester is connected, demolish steel wire cover and coaster after that.

4. The uninterrupted operation method for the power line of the ground potential distribution network according to claim 1, wherein in the step S5, the effective insulation length of the insulating fork rod operating rod is greater than 0.7 m.

5. The method of claim 1, wherein in step S5, the overlap between the conductor and the insulating shield is greater than 15 cm.

6. The uninterrupted operation method for the power line of the ground potential distribution network according to claim 1, wherein in the step S6, when the six-phase lead is installed, the other end of the six-phase lead faces the direction of the pile head on the load side, and the air distance between the lead and the live conductor is less than 0.4 m.

7. The uninterrupted operation method for the power line of the ground potential distribution network according to claim 1, wherein in the step S7, the distance between the lead and the electric pole is more than 30 cm.

8. The uninterrupted power operation method of the power line of the ground potential distribution network according to claim 1, wherein in the step S10, the step S of cutting off the phase diversion line at the original load side and the power side of the tension-resistant rod of the line by the cooperation of the operator No. 1 on the rod, the operator No. 2 on the rod and the operator No. 3 on the rod comprises the following steps: a. the ground operator uses the insulated working rope to sequentially transfer the insulated lock rod operating rod and the insulated wire-breaking scissors to No. 2 operators on the rod; b. no. 2 operators on the rod wear insulating gloves and protective gloves to lock the proper position of the phase lead wire side of the load side by using an insulating lock rod operating rod; c. no. 1 operator on the rod uses an insulated wire cutting scissors to cut off the wire side of the lead; d. the operator No. 2 on the rod uses an insulating lock rod to operate the rod to put down the cut lead to a proper position and keep a sufficient safety distance with the cross arm conductor; e. the operator No. 1 on the rod is rotated to a proper position on the power supply side, the operator No. 3 on the rod uses an insulating lock rod operating rod to lock a proper position on the phase lead wire side on the power supply side after wearing insulating gloves and protective gloves, and the operator No. 1 on the rod uses insulating wire-breaking scissors to cut off the lead wire side of the lead wire; f. no. 1 operating personnel on the pole respectively cut off the drainage threads on the cross arm side; no. 2 operating personnel use insulating work rope to transmit the drainage wire of cutting to ground on the pole.

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