CN103474908A - Operation method utilizing remote control tightening device ground potential for replacing multi-loop linear insulator string - Google Patents
Operation method utilizing remote control tightening device ground potential for replacing multi-loop linear insulator string Download PDFInfo
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- CN103474908A CN103474908A CN2013104392680A CN201310439268A CN103474908A CN 103474908 A CN103474908 A CN 103474908A CN 2013104392680 A CN2013104392680 A CN 2013104392680A CN 201310439268 A CN201310439268 A CN 201310439268A CN 103474908 A CN103474908 A CN 103474908A
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Abstract
The invention discloses an operation method utilizing remote control tightening device ground potential for replacing a multi-loop linear insulator string. By means of mutual cooperation of an electrician on the ground and an electrician on a tower, a series of operation is completed effectively, such as installation and fixation of a remote control tightening device and an adjustable wire backup protection rope, the take-out of a wire side socket locking pin, the lifting of a wire, separation of the insulator string from a wire side socket, the take-out of a cross arm side insulator locking pin, transfer between a new insulator string and an old insulator string, the installation of a locking pin on the cross arm side of the new insulator string, the installation of a wire side ball and the wire side socket, and the recovery of the locking pins. Therefore, the purpose of replacing multi-loop linear insulators in an electrified mode on a multi-loop tower with a small distance between cross arms is achieved effectively, the effect that operators are protected against the threat of high voltage is ensured effectively, and the operation method is safe and reliable; outages are reduced, a large-area power grid outage is avoided, and power-on time is ensured effectively.
Description
Technical field
The present invention relates to change multiloop linear insulator technical field, relate in particular to a kind of utilization control far away tightening device earth potential replacement multiloop linear insulator chain working system.
Background technology
At present, in Regulation, when the staff constructs with the live line working of tower multiloop at the 110-220 kilovolt, often run into the less situation of upper and lower cross-arm spacing, can't directly be carried out by the staff replacing of same tower multi-loop line linear insulator, and after taking spacing measure, the effective operation space still can not meet the requirement of operating personnel's activity space, be with very big difficulty with more changing jobs of tower multi-loop line linear insulator, often need circuit is done to power down, cause the large tracts of land grid cut-off, having a strong impact on power supply reliability and the power-on time of electrical network.
Summary of the invention
The objective of the invention is to aim to provide a kind of utilization control far away tightening device earth potential replacement multiloop linear insulator chain working system, in the method operating process, without having a power failure, the operating personnel by insulating bar with far control coordinating of tightening device, without entering charging space, can complete same tower multiloop replacing insulator, easy and simple to handle, safe and reliable.
For realizing that the technical scheme that purpose of the present invention adopts is: a kind of utilization control far away tightening device earth potential replacement multiloop linear insulator chain working system comprises the steps:
1) application inactive line reclosing, check the dual title of circuit and bar number;
2) clearly make division of labor and lines of specialities, safety measure and points for attention;
3) staff adopts megohmmeter to detect the insulation resistance of insulating tool, checks that whether bearing tool is intact flexibly;
4) 1# electrician carries insulation transmission rope and steps on tower to the cross-arm place, is, hangs up properly safety belt, and the transmission rope that will insulate is placed on cross-arm by the multiplex suspension arrangement of shaft tower, and 2# electrician steps on tower subsequently, and 3# electrician Deng Ta carries out guarding on tower;
5) 2# electrician and ground electrician cooperatively interact, and will far control tightening device, adjustable conductor protection rope and be passed to service position;
6) 2# electrician, at the wire horizontal level, is, hangs up properly safety belt, and ground electrician and 1# electrician cooperatively interact and install control tightening device far away and adjustable conductor backup protection rope;
7) after 2# electrician takes out a side of wire was bowl locking pin with insulating bar, 1# electrician operates control tightening device lifting lead wire far away, and 2# electrician breaks away from being connected of insulator string and side of wire was bowl head with insulating bar;
8) 1# electrician hangs up properly insulation and transmits the rope hook at second insulator place of cross-arm side with insulating bar, and takes out cross-arm side insulator locking pin;
9) 1# electrician and ground electrician cooperatively interact and operate insulation transmission rope, and old insulator string is put down, and with stylish insulator string, follow to service position;
10) 1# electrician installs new insulator string cross-arm side locking pin, and lifting lead wire coordinates 2# electrician install the side of wire was bulb with the bowl head and recover locking pin with insulating bar;
11) on tower, the electrician checks insulator string locking pin connection, guarantees to connect reliable;
12) 1# electrician removes control tightening device far away and adjustable conductor backup protection rope, is passed to successively ground;
13), after on tower, the electrician checks on tower that nothing is left over instrument, the steady lower tower of rope is transmitted in back of the body insulation;
14) finisher's utensil, site clearing, recover circuit re-switching.
When the insulator string of changing is dish type porcelain insulator string, after described step 4, the ground electrician survey zero bar assemble rear with insulation, transmit to restrict pass to 2# electrician, 2# electrician detects the zero resistance insulator quantity that will change insulator string.
Described control tightening device far away comprises wire lifting device, line lifter fixed mechanism, line lifter leading screw operating mechanism and line lifter insulated connector, by the line lifter fixed mechanism, by wire lifting device, stably be suspended on cross-arm, regulate the collapsing length of wire lifting device screw mandrel by line lifter leading screw operating mechanism, and then realization is to the elevating control of wire, adopt insulated connector effectively to increase safe distance, the security threat of elimination to operating personnel, regulate hoisting depth.
The present invention coordinates by insulating bar and control tightening device far away, the operating personnel charged while carrying out same tower multiloop replacing insulator without entering charging space, suspension by control tightening device far away and tightening up, and being used in conjunction with of insulator separating tool and insulator centralizer, thereby reach the purpose of changing insulator.By to United Dispatching command centre application inactive line reclosing device, effectively to have avoided when line tripping occurring, strong power transmission causes the generation of grid equipment damage or human casualty accident, by checking the dual title of circuit and bar number, avoid fault rod climbing, replacing insulator mistake, cause normal insulation to be replaced, and faulty insulator is not replaced the generation of situation, stop unnecessary human and material resources, financial resources and waste of time, improve operating efficiency, mutual coordinated by electrician on ground electrician and tower, effectively realized that the installation of control tightening device far away and adjustable conductor backup protection rope fixes, a side of wire was bowl locking pin takes out, the lifting of wire, the disengaging of insulator string and side of wire was bowl head, the taking-up of cross-arm side insulator locking pin, the transmission of new and old insulator string, the installation of new insulator string cross-arm side locking pin, side of wire was bulb and the installation of bowl head and a series of operations such as recovery of locking pin, thereby effectively realized on the multi-circuit tower less in the cross-arm spacing, the purpose of earth potential replacement multiloop linear insulator, avoided can not meeting the live-working safety required distance because the cross-arm spacing is little, the operating personnel can't arrive job position, the traditional work method need to be done power down to circuit, cause the large tracts of land grid cut-off, having a strong impact on power supply reliability and the power-on time of electrical network.
The invention provides a kind of operating personnel and control the indirect operating method of carrying out by insulating bar at a distance at tower body, in operation process, the operating personnel is all the time in shaft tower tower body position, adopt the insulating bar indirect operation that control tightening device far away and dismounting insulator are installed, whole operation process operating personnel keeps off cross arm end, this operational method operating personnel is the earth potential working zone in safety all the time, effectively ensured that the operating personnel avoids high-tension threat, safe and reliable; Reduced power failure, avoided the large tracts of land grid cut-off, effective guarantee power-on time, improved power supply reliability, application should be widely promoted.
Embodiment
Tightening device earth potential replacement multiloop linear insulator chain working system is far controlled in utilization of the present invention, adopts following steps:
Step 1: application inactive line reclosing, check the dual title of circuit and bar number;
The work director goes into operation to dispatching of power netwoks person's application, and content is: this artificial work director XXX, and X X month X changes the insulator string operation day by day on XX kV XX multi-loop line, this job request inactive line reclosing device, if the chance line tripping, without contact, must not send by force; Obtain scheduling grant, check the dual title of circuit and bar number; While having avoided circuit tripping operation to occur, height personnel strong power transmission in unwitting situation causes the generation of grid equipment damage or human casualty accident; By checking the dual title of circuit and bar number, avoid fault rod climbing, mistake to change the generation of insulation, stop unnecessary human and material resources, financial resources and waste of time, improve operating efficiency.
Step 2: clearly make division of labor and lines of specialities, safety measure and points for attention;
All working members line up, and work ticket is read out at work director scene, the task that hands over work to one's successor, safety measure and technical measures; Check that whether intact operating personnel's mental status, dressing situation and Work tool be complete; Explain dangerous spot and precautionary measures, clearly make division of labor and lines of specialities and safety measure and points for attention; Safety first, ensure that the operating personnel has a good state of mind, constantly keeps watchful, and clear and definite safety measure and points for attention, ensure the safety in operation process to greatest extent.
Step 3: the staff adopts megohmmeter to detect the insulation resistance of insulating tool, checks that whether bearing tool is intact flexibly;
Ensure power tool safety, reliable, flexible, avoid the fortuitous event caused due to instrument inconvenience in operating process to occur.
Step 4:1# electrician carries insulation transmission rope and steps on tower to the cross-arm place, is, hangs up properly safety belt, and the transmission rope that will insulate is placed on cross-arm by the multiplex suspension arrangement of shaft tower, and 2# electrician steps on tower subsequently, and 3# electrician Deng Ta carries out guarding on tower;
When the insulator string of changing is dish type porcelain insulator string, the ground electrician survey zero bar assemble rear with insulation, transmit to restrict pass to 2# electrician, 2# electrician detects the zero resistance insulator quantity that will change insulator string, after deduction human body short circuit and null value (self-destruction) insulator, the sub-sheet number of good insulation: 110kV is no less than 5,220kV is no less than 9, to ensure the safety of live line working.
Step 5:2# electrician and ground electrician cooperatively interact, and will far control tightening device, adjustable conductor protection rope and be passed to service position;
Described control tightening device far away comprises wire lifting device, line lifter fixed mechanism, line lifter leading screw operating mechanism and line lifter insulated connector, wherein, can adopt the live line working two-conductor line line lifter of applicant in first to file with described wire lifting device, application number is 201120419591.8; Described line lifter fixed mechanism can adopt the fixing device of transmission wire lifter of applicant in first to file, and application number is 201120419589.0; Described line lifter leading screw operating mechanism can adopt the transmission wire lifter leading screw operating means of applicant in first to file, application number 201120419580.X; Described line lifter insulated connector can adopt the insulation pulling plate of transmission wire lifter of applicant in first to file, and application number is 201120419586.7.
Step 6:2# electrician, at the wire horizontal level, is, hangs up properly safety belt, and ground electrician and 1# electrician cooperatively interact and install control tightening device far away and adjustable conductor backup protection rope;
Described control tightening device far away is hung on the cross-arm of insulator to be replaced top by the line lifter fixed mechanism, and the L-type hangers is mounted on the insulator cross-arm, simple and efficient to handle, good stability; Wire to be hoisted protects rope to be lifted protection by adjustable conductor; the protection rope can adopt the applicant to be placed on cross-arm at the multiplex suspension arrangement of the electric power line pole tower of first to file (application number is 201120419587.1); U-shaped hook is placed on cross-arm; simple and efficient to handle; articulate solid and reliablely, insulation is transmitted rope and also can be carried out cross-arm by multiplex suspension arrangement and fixedly articulate.
After step 7:2# electrician takes out a side of wire was bowl locking pin with insulating bar, under work director's commander, 1# electrician operates control tightening device lifting lead wire far away, and on tower, 2# electrician breaks away from being connected of insulator string and side of wire was bowl head with insulating bar;
2# electrician can adopt at the insulating bar front end live working insulator separating tool that the applicant is 201120419579.7 at the application number of first to file is installed, utilize hook that locking pin is pulled out, dial from fork and insert insulator connecting ball head and the connecting portion that articulates ring by the arc by the insulator separating tool front end, transfer from fork and can make the insulator connecting ball head break away from the groove that articulates ring by side, then the neck that utilizes the hook of insulator separating tool to tangle connecting ball head can be pulled out bulb like a cork, operates very simple and efficient; 1# electrician is by inserting the insulating bar front end in the operation ring of transmission wire lifter leading screw operating means, and the reciprocating sliding ratchet spanner can be realized the lifting of line lifter leading screw, and then realizes the descending operation of pilot.
Step 8:1# electrician hangs up properly insulation and transmits the rope hook at second insulator place of cross-arm side with insulating bar, and take out cross-arm side insulator locking pin; Its locking pin removing method is with 2# electrician's operation in step 7.
Step 9:1# electrician and ground electrician cooperatively interact and operate insulation transmission rope, and old insulator string is put down, and with stylish insulator string, follow to service position; Note controlling well the position of aerial upper and lower two insulator string strings in transmittance process, prevent mutual collision.
Step 10:1# electrician installs new insulator string cross-arm side locking pin, and lifting lead wire coordinates 2# electrician install the side of wire was bulb with the bowl head and recover locking pin with insulating bar.
Step 11: on tower, the electrician checks insulator string locking pin connection, guarantees to connect reliable;
The installation of new insulator string can adopt installs at the insulating bar front end hot-line work insulator centralizer that the applicant is 201120419584.8 at the application number of first to file and realizes, adopt respectively push rod and hook to promote or pull spring catch or adopt and hook and stir connecting ball head, can realize the marginal testing of insulator string and reset, easy to operate, and effectively ensured operating personnel's safety.
Step 12:1# electrician removes control tightening device far away and adjustable conductor backup protection rope, is passed to successively ground;
Step 13: on tower, the electrician checks on tower without after leaving over instrument, and the director that reports the work obtains agreeing that the back insulation transmits the steadily lower tower of rope.
Step 14: finisher's utensil, site clearing, recover circuit re-switching;
The ground electrician arranges all Work tools, and work director or guardian check the Work tool site clearing; The work director reports to scheduling, content is: this artificial work director XXX, changing insulator string on XX kV XXX multi-loop line finished already, on tower, personnel withdraw, on tower, on line without legacy, wire, insulator and gold utensil etc. have restored to the original state, can recover the circuit re-switching device.
In operation process, the operating personnel is all the time in shaft tower tower body position, adopt the insulating bar indirect operation that far and near tightening device and dismounting insulator are installed, whole operation process operating personnel keeps off cross arm end, this operational method operating personnel is the earth potential working zone in safety all the time, effectively ensured that the operating personnel avoids high-tension threat, safe and reliable; Reduced power failure, avoided the large tracts of land grid cut-off, effective guarantee power-on time, improved power supply reliability, application should be widely promoted.
Embodiment mono-
Utilize control tightening device earth potential replacement 110kV multiloop linear insulator chain working system far away, comprise the steps:
1) the work director goes into operation to dispatching of power netwoks person's application, and content is: this artificial work director XXX, and X X month X changes the insulator string operation day by day on 110kV XX multi-loop line, this job request inactive line reclosing device, if the chance line tripping, without contact, must not send by force; Obtain scheduling grant, check the dual title of circuit and bar number;
2) all working members line up, and work ticket is read out at work director scene, the task that hands over work to one's successor, safety measure and technical measures; Check that whether intact operating personnel's mental status, dressing situation and Work tool be complete; Explain dangerous spot and precautionary measures, clearly make division of labor and lines of specialities and safety measure and points for attention;
3) staff adopts megohmmeter to detect the insulation resistance of insulating tool, checks that whether bearing tool is intact flexibly;
4) 1# electrician carries insulation transmission rope and steps on tower to the cross-arm place, is, hangs up properly safety belt, and the transmission rope that will insulate installs in cross-arm operation appropriate location, and 2# electrician steps on tower subsequently, and 3# electrician Deng Ta carries out guarding on tower;
5) 2# electrician and ground electrician cooperatively interact, and will far control tightening device, adjustable conductor protection rope and be passed to service position;
6) 2# electrician, at the wire horizontal level, is, hangs up properly safety belt, and ground electrician and 1# electrician cooperatively interact and install control tightening device far away and adjustable conductor backup protection rope;
7) after 2# electrician takes out a side of wire was bowl locking pin with insulating bar, under work director's commander, 1# electrician operates control tightening device lifting lead wire far away, and on tower, 2# electrician breaks away from being connected of insulator string and side of wire was bowl head with insulating bar;
8) 1# electrician hangs up properly insulation and transmits the rope hook at second insulator place of cross-arm side with insulating bar, and takes out cross-arm side insulator locking pin;
9) 1# electrician and ground electrician cooperatively interact and operate insulation transmission rope, and old insulator string is put down, and with stylish insulator string, follow to service position; Note controlling well the position of aerial upper and lower two insulator string strings in transmittance process, prevent mutual collision;
10) 1# electrician installs new insulator cross-arm side locking pin, and 1# electrician's lifting lead wire coordinates 2# electrician on tower install the side of wire was bulb with the bowl head and recover locking pin with insulating bar;
11) on tower, the electrician checks insulator string locking pin connection, and inspection is guaranteed to connect reliable;
12) after agreeing subject to the work director, 1# electrician removes control tightening device far away and adjustable conductor backup protection rope, is passed to successively ground;
13) on tower, the electrician checks on tower without after leaving over instrument, and the director that reports the work obtains agreeing that the back insulation transmits the steadily lower tower of rope;
14) the ground electrician arranges all Work tools, and work director or guardian check the Work tool site clearing;
15) the work director reports to scheduling, content is: this artificial work director xxx, changing insulator string on 110kV xxx multi-loop line finished already, on tower, personnel withdraw, on tower, on line without legacy, wire, insulator and gold utensil etc. have restored to the original state, can recover the circuit re-switching device.
Embodiment bis-
Utilize control tightening device earth potential replacement 110kV multiloop straight line dish type porcelain insulator string working system far away, comprise the steps:
1) the work director goes into operation to dispatching of power netwoks person's application, content is: this artificial work director XXX, X X month X changes the linear insulator chain operation day by day on 110kV XX multi-loop line, this job request inactive line reclosing device, if chance line tripping, without contact, must not send by force; Obtain scheduling grant, check the dual title of circuit and bar number;
2) all working members line up, and work ticket is read out at work director scene, the task that hands over work to one's successor, safety measure and technical measures; Check that whether intact operating personnel's mental status, dressing situation and Work tool be complete; Explain dangerous spot and precautionary measures, clearly make division of labor and lines of specialities and safety measure and points for attention;
3) staff adopts megohmmeter to detect the insulation resistance of insulating tool, checks that whether bearing tool is intact flexibly;
4) 1# electrician carries insulation transmission rope and steps on tower to the cross-arm place, is, hangs up properly safety belt, and the transmission rope that will insulate installs in cross-arm operation appropriate location, and 2# electrician steps on tower subsequently, and 3# electrician Deng Ta carries out guarding on tower; The ground electrician assembles and transmits rope with insulation and pass to 2# electrician afterwards surveying zero bar, and 2# electrician detects the zero resistance insulator that will change insulator string, and after deducting human body short circuit and null value (self-destruction) insulator, the sub-sheet number of good insulation is no less than 5;
5) 2# electrician and ground electrician cooperatively interact, and will far control tightening device, adjustable conductor protection rope and be passed to service position;
6) 2# electrician, at the wire horizontal level, is, hangs up properly safety belt, and ground electrician and 1# electrician cooperatively interact and install control tightening device far away and adjustable conductor backup protection rope;
7) after 2# electrician takes out a side of wire was bowl locking pin with insulating bar, under work director's commander, 1# electrician operates control tightening device lifting lead wire far away, and on tower, 2# electrician breaks away from being connected of insulator string and side of wire was bowl head with insulating bar;
8) 1# electrician hangs up properly insulation and transmits the rope hook at second insulator place of cross-arm side with insulating bar, and takes out cross-arm side insulator locking pin;
9) 1# electrician and ground electrician cooperatively interact and operate insulation transmission rope, and old insulator string is put down, and with stylish insulator string, follow to service position; Note controlling well the position of aerial upper and lower two insulator string strings in transmittance process, prevent mutual collision;
10) 1# electrician installs new insulator cross-arm side locking pin, and 1# electrician's lifting lead wire coordinates 2# electrician on tower install the side of wire was bulb with the bowl head and recover locking pin with insulating bar;
11) on tower, the electrician checks insulator string locking pin connection, and inspection is guaranteed to connect reliable;
12) after agreeing subject to the work director, 1# electrician removes control tightening device far away and adjustable conductor backup protection rope, is passed to successively ground;
13) on tower, the electrician checks on tower without after leaving over instrument, and the director that reports the work obtains agreeing that the back insulation transmits the steadily lower tower of rope;
14) the ground electrician arranges all Work tools, and work director or guardian check the Work tool site clearing;
15) the work director reports to scheduling, content is: this artificial work director xxx, the work of 110kV xxx circuit replacing linear insulator string under electrification finishes, on tower, personnel withdraw, on tower, on line without legacy, wire, insulator and gold utensil etc. have restored to the original state, can recover the circuit re-switching device.
Embodiment tri-
Utilize control tightening device earth potential replacement 220kV multiloop straight line dish type porcelain insulator string working system far away, comprise the steps:
1) the work director goes into operation to dispatching of power netwoks person's application, and content is: this artificial work director XXX, and X X month X changes the insulator string operation day by day on 220kV XX multi-loop line, this job request inactive line reclosing device, if the chance line tripping, without contact, must not send by force; Obtain scheduling grant, check the dual title of circuit and bar number;
2) all working members line up, and work ticket is read out at work director scene, the task that hands over work to one's successor, safety measure and technical measures; Check that whether intact operating personnel's mental status, dressing situation and Work tool be complete; Explain dangerous spot and precautionary measures, clearly make division of labor and lines of specialities and safety measure and points for attention;
3) staff adopts megohmmeter to detect the insulation resistance of insulating tool, checks that whether bearing tool is intact flexibly;
4) 1# electrician carries insulation transmission rope and steps on tower to the cross-arm place, is, hangs up properly safety belt, and the transmission rope that will insulate installs in cross-arm operation appropriate location, and 2# electrician steps on tower subsequently, and 3# electrician Deng Ta carries out guarding on tower; The ground electrician assembles and transmits rope with insulation and pass to 2# electrician afterwards surveying zero bar, and 2# electrician detects the zero resistance insulator that will change insulator string, and after deducting human body short circuit and null value (self-destruction) insulator, the sub-sheet number of good insulation is no less than 9;
5) 2# electrician and ground electrician cooperatively interact, and will far control tightening device, adjustable conductor protection rope and be passed to service position;
6) 2# electrician, at the wire horizontal level, is, hangs up properly safety belt, and ground electrician and 1# electrician cooperatively interact and install control tightening device far away and adjustable conductor backup protection rope;
7) after 2# electrician takes out a side of wire was bowl locking pin with insulating bar, under work director's commander, 1# electrician operates control tightening device lifting lead wire far away, and on tower, 2# electrician breaks away from being connected of insulator string and side of wire was bowl head with insulating bar;
8) 1# electrician hangs up properly insulation and transmits the rope hook at second insulator place of cross-arm side with insulating bar, and takes out cross-arm side insulator locking pin;
9) 1# electrician and ground electrician cooperatively interact and operate insulation transmission rope, and old insulator string is put down, and with stylish insulator string, follow to service position; Note controlling well the position of aerial upper and lower two insulator string strings in transmittance process, prevent mutual collision;
10) 1# electrician installs new insulator cross-arm side locking pin, and 1# electrician's lifting lead wire coordinates 2# electrician on tower install the side of wire was bulb with the bowl head and recover locking pin with insulating bar;
11) on tower, the electrician checks insulator string locking pin connection, and inspection is guaranteed to connect reliable;
12) after agreeing subject to the work director, 1# electrician removes control tightening device far away and adjustable conductor backup protection rope, is passed to successively ground;
13) on tower, the electrician checks on tower without after leaving over instrument, and the director that reports the work obtains agreeing that the back insulation transmits the steadily lower tower of rope;
14) the ground electrician arranges all Work tools, and work director or guardian check the Work tool site clearing;
15) the work director reports to scheduling, content is: this artificial work director xxx, changing insulator string on 220kV xxx multi-loop line finished already, on tower, personnel withdraw, on tower, on line without legacy, wire, insulator and gold utensil etc. have restored to the original state, can recover the circuit re-switching device.
Claims (2)
1. one kind is utilized control tightening device earth potential replacement multiloop linear insulator chain working system far away, and it is characterized in that: it comprises the steps:
1) application inactive line reclosing, check the dual title of circuit and bar number;
2) clearly make division of labor and lines of specialities, safety measure and points for attention;
3) staff adopts megohmmeter to detect the insulation resistance of insulating tool, checks that whether bearing tool is intact flexibly;
4) 1# electrician carries insulation transmission rope and steps on tower to the cross-arm place, is, hangs up properly safety belt, and the transmission rope that will insulate is placed on cross-arm by the multiplex suspension arrangement of shaft tower, and 2# electrician steps on tower subsequently, and 3# electrician Deng Ta carries out guarding on tower;
5) 2# electrician and ground electrician cooperatively interact, and will far control tightening device, adjustable conductor protection rope and be passed to service position;
6) 2# electrician, at the wire horizontal level, is, hangs up properly safety belt, and ground electrician and 1# electrician cooperatively interact and install control tightening device far away and adjustable conductor backup protection rope;
7) after 2# electrician takes out a side of wire was bowl locking pin with insulating bar, 1# electrician operates control tightening device lifting lead wire far away, and 2# electrician breaks away from being connected of insulator string and side of wire was bowl head with insulating bar;
8) 1# electrician hangs up properly insulation and transmits the rope hook at second insulator place of cross-arm side with insulating bar, and takes out cross-arm side insulator locking pin;
9) 1# electrician and ground electrician cooperatively interact and operate insulation transmission rope, and old insulator string is put down, and with stylish insulator string, follow to service position;
10) 1# electrician installs new insulator string cross-arm side locking pin, and lifting lead wire coordinates 2# electrician install the side of wire was bulb with the bowl head and recover locking pin with insulating bar;
11) on tower, the electrician checks insulator string locking pin connection, guarantees to connect reliable;
12) 1# electrician removes control tightening device far away and adjustable conductor backup protection rope, is passed to successively ground;
13), after on tower, the electrician checks on tower that nothing is left over instrument, the steady lower tower of rope is transmitted in back of the body insulation;
14) finisher's utensil, site clearing, recover circuit re-switching.
2. tightening device earth potential replacement multiloop linear insulator chain working system is far controlled in utilization as claimed in claim 1, it is characterized in that: when the insulator string of changing is dish type porcelain insulator string, after described step 4, the ground electrician survey zero bar assemble rear with insulation, transmit to restrict pass to 2# electrician, 2# electrician detects the zero resistance insulator quantity that will change insulator string.
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| CN2013104392680A CN103474908A (en) | 2013-09-25 | 2013-09-25 | Operation method utilizing remote control tightening device ground potential for replacing multi-loop linear insulator string |
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| CN2013104392680A CN103474908A (en) | 2013-09-25 | 2013-09-25 | Operation method utilizing remote control tightening device ground potential for replacing multi-loop linear insulator string |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104051986A (en) * | 2014-06-27 | 2014-09-17 | 国网河南省电力公司平顶山供电公司 | Tower minimum space operating method based on insulated isolation umbrella |
| CN111987639A (en) * | 2020-08-04 | 2020-11-24 | 中国电建集团河南工程有限公司 | Construction method for replacing tension porcelain insulator |
| CN112202106A (en) * | 2020-10-31 | 2021-01-08 | 国网河南省电力公司平顶山供电公司 | Tool and operation method for replacing double-bundle conductor strain insulator string at earth potential |
| CN116260073A (en) * | 2023-05-16 | 2023-06-13 | 山西晋缘电力化学清洗中心有限公司 | Operation method for live replacement of 35kV linear insulator string |
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| CN104051986A (en) * | 2014-06-27 | 2014-09-17 | 国网河南省电力公司平顶山供电公司 | Tower minimum space operating method based on insulated isolation umbrella |
| CN111987639A (en) * | 2020-08-04 | 2020-11-24 | 中国电建集团河南工程有限公司 | Construction method for replacing tension porcelain insulator |
| CN112202106A (en) * | 2020-10-31 | 2021-01-08 | 国网河南省电力公司平顶山供电公司 | Tool and operation method for replacing double-bundle conductor strain insulator string at earth potential |
| CN116260073A (en) * | 2023-05-16 | 2023-06-13 | 山西晋缘电力化学清洗中心有限公司 | Operation method for live replacement of 35kV linear insulator string |
| CN116260073B (en) * | 2023-05-16 | 2023-08-04 | 山西晋缘电力化学清洗中心有限公司 | Operation method for live replacement of 35kV linear insulator string |
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