CN105811313A - Linear insulator replacement tool and application method thereof - Google Patents

Linear insulator replacement tool and application method thereof Download PDF

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Publication number
CN105811313A
CN105811313A CN201610391702.6A CN201610391702A CN105811313A CN 105811313 A CN105811313 A CN 105811313A CN 201610391702 A CN201610391702 A CN 201610391702A CN 105811313 A CN105811313 A CN 105811313A
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CN
China
Prior art keywords
linear insulator
insulating
wire
bar
fixing seat
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.)
Granted
Application number
CN201610391702.6A
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Chinese (zh)
Other versions
CN105811313B (en
Inventor
胡斌
喻晖
杨建平
周卓敏
黄永超
贺彪
陈楠
牛捷
邹德华
唐力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Live Working Center of State Grid Hunan Electric Power Co
Changsha Power Supply Co of State Grid Hunan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Live Working Center of State Grid Hunan Electric Power Co
Changsha Power Supply Co of State Grid Hunan Electric Power Co Ltd
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Publication date
Application filed by State Grid Corp of China SGCC, State Grid Hunan Electric Power Co Ltd, Live Working Center of State Grid Hunan Electric Power Co, Changsha Power Supply Co of State Grid Hunan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610391702.6A priority Critical patent/CN105811313B/en
Publication of CN105811313A publication Critical patent/CN105811313A/en
Application granted granted Critical
Publication of CN105811313B publication Critical patent/CN105811313B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Abstract

The invention discloses a linear insulator replacement tool.The linear insulator replacement tool comprises a fixing base, a ratchet wheel wire grip and an insulating rod.One end of the insulating rod is hinged to the fixing base.A ratchet wheel of the ratchet wheel wire grip is connected to the fixing base through a center shaft of the ratchet wheel wire grip.An insulating rope is wound around the center shaft.Pulleys used for guiding the insulating rope are connected to the insulating rod.The fixing base is mounted on a cross arm.Position adjustment of the insulating rope is realized through position adjustment of the insulating rod.The end of the insulating rope hooks a guide line through a guide line hook.The ratchet wheel wire grip tightens the insulating rope to transfer load to further loosen a linear insulator.The linear insulator replacement tool has the advantages that the insulating rod is operated during replacement to achieve hot-line work, so that maintenance of distribution networks of rural areas is facilitated, fault handling of the distribution networks of the rural areas under the electrified conditions is achieved, electricity demand of rural residents is met, and service quality is improved.

Description

Linear insulator changes instrument and application process thereof
Technical field
The present invention relates to a kind of linear insulator and change instrument and application process thereof, particularly relate to a kind of linear insulator and change instrument and application process thereof.
Background technology
Along with the raising day by day of socioeconomic development and Living consumption, Reliability of Power Supplying Net Work is required more and more higher by various circles of society, circuit carries out hotline maintenance and is to ensure that electric energy continues the effective means supplied, and it extensively carries out within the scope of city.But the method that power grid enterprises still adopt interruption maintenance in agriculture distribution line.
Recently as developing rapidly of rural economy and increasing year by year of resident's household electrical appliance, power grid enterprises' tradition " one draws a line; one stop a sheet of " maintenance way can not meet the demand of rural electricity consumption, therefore livewire work also begins to progressively extend to agriculture distribution, need under the environment not having a power failure, carry out troubleshooting, meet the need for electricity of urban residents, it is provided that more quality services.
Following characteristics is there is yet with complicated 10 KVs (agriculture distribution line):
1, having inconvenient traffic, vehicle is difficult to put in place;
2, working environment is complicated, and aerial lift device with insulated arm cannot arrive best job position;
3, relief, causes that distribution line shaft tower relative altitude raises, beyond aerial lift device with insulated arm operating radius.
Due to the These characteristics of agriculture distribution, conventional direct operation mode cannot complete hotline maintenance.It is thus desirable to carry out exhibition by what indirect operating mode carried out livewire work project.
Present indirect operating carries out indirect operation each through insulation behaviour, but the instrument of current not a kind of maturation and method are applicable to change linear insulator.
Summary of the invention
It is an object of the invention to provide a kind of linear insulator suitable in indirect operating method and change instrument and application process thereof.
The invention discloses a kind of linear insulator and change instrument, it includes fixing seat, ratchet-wheel wire tightener and insulating bar, one end of insulating bar is articulated with on fixing seat, the ratchet of ratchet-wheel wire tightener is connected on fixing seat by its central shaft, insulating cord is around on central shaft, insulating bar is connected to the pulley for leading to insulating cord, fixing seat is installed on cross-arm, the position adjustment of insulating cord is realized by the position adjustment of insulating bar, wire is hooked by thread hook in the end of insulating cord, by ratchet-wheel wire tightener tighten up insulating cord come load transfer make linear insulator relax.
Described fixing seat includes riser two pieces positioned opposite and is fixed on the dop bottom two risers, two risers are connected as a single entity by fixing bar, fixing bar overcoat limited location set, described ratchet and pawl is fixed on outside same riser, central shaft traverse two risers of ratchet-wheel wire tightener.
Described riser is provided with the some circular holes arranged in circular arc, and each circular hole on two risers is oppositely arranged, and the center of circle of circular arc is positioned on the longitudinal center line of described ratchet-wheel wire tightener central shaft.
Described dop is L-type, and dop two outer end is equipped with thread head, and thread head is cased with L-type movable block and corresponding wing nut.
Described insulating bar is articulated with between two risers of described fixing seat.
The two ends of described insulating bar are removably connected with fixing seat union joint and insulating cord union joint respectively, and two union joints are the rectangular sleeve being matched with insulating bar.
Described fixing seat union joint is provided with through the hole, location of its pair of sidewalls, the centre-to-centre spacing of hole, location and pin joint is equal to the radius of described circular arc, hole, location interpolation has the location bar for limiting insulating bar and described riser angle, and the two ends of location bar are threaded supporting nut.
Described pulley has two, is both secured on described insulating cord union joint, one be positioned at directive wheel on the upside of described insulating bar, another be the reverse wheel being positioned at insulating bar end.
The material of described fixing seat, described fixing seat union joint and described insulating cord union joint is rustless steel, and described insulating bar is hollow insulating bar.
The invention also discloses a kind of method utilizing above-mentioned instrument to carry out linear insulator replacing, the method, comprise the following steps:
(1) operator step on bar to masthead, and the wire closed on, linear insulator and cross-arm carry out electrical verification, confirm without continuing after funnel to step on bar to cross-arm position, wire, linear insulator and cross-arm are carried out insulation and covers;
(2) the fixing seat that linear insulator is changed instrument is clamped on cross-arm, and rotating insulated bar makes thread hook be positioned at the surface of linear insulator, and hooks the wire of corresponding position;
(3) wire closed on, linear insulator and cross-arm are insulated and cover the binding that rear coordinated insulation eagle's beak pliers will change linear insulator and untie by operator again;
(4) operator operate ratchet-wheel wire tightener stringing, make load transfer, change linear insulator;
(5) after linear insulator has been changed, operator operate ratchet-wheel wire tightener unwrapping wire, make the wire at thread hook place fall after rise to the wire casing of linear insulator;
(6) wire is tied up binding by operator, cuts off unnecessary binding;
(7) repeat step (3)--(6), complete the replacing of each phase linear insulator;
(8) after all having changed, remove the mask of linear insulator and wire from far near successively, return to ground.
In sum, when the present invention uses, first pass through dop and this instrument is clamped on cross-arm, then the angle adjusted between insulating bar and fixing seat makes thread hook be positioned at the surface at linear insulator place, when then the wire at linear insulator place being hung with thread hook, rotate special spanner and tighten up insulating cord, make the load transfer of linear insulator place wire, carry out the replacing of linear insulator again, rotate special spanner unwrapping wire after replacing and wire is hung back on linear insulator.The replacing of linear insulator can be completed, and Renewal process adopts insulating bar operation, it is not necessary to have a power failure, meet the requirement of indirect operating method, it is simple to the maintenance of agriculture distribution line, it is achieved when agriculture distribution network live line, carry out troubleshooting, meet the need for electricity of urban residents, improve service quality.
Meanwhile, in order to ensure that thread hook can be always positioned at the surface of linear insulator wire, it is simple to the transfer of load, insulating bar is articulated with on fixing seat, and regulates angle therebetween by positioning bar and hole, location.
In order to make the stability of raising insulating cord, it is ensured that work efficiency, insulating bar is fixed with directive wheel and reverse wheel.
In order to ensure service life, improve result of use, the material of fixing seat is chosen as rustless steel.
In order to alleviate deadweight, it is simple to carry and operate, insulating bar is designed as hollow rod.
Accompanying drawing explanation
Fig. 1 is the schematic front view of a preferred embodiment of the invention.
Fig. 2 is the enlarged diagram fixing seat in Fig. 1.
Fig. 3 is the enlarged diagram of dop in Fig. 1.
Diagram sequence number:
1 fixing seat, 2 insulating bars, 3 ratchet-wheel wire tighteners, 4 insulating cords, 5 directive wheels, 6 reverse wheels, 7 L-type movable blocks, 8 wing nuts, 9 location bar, 10 thread hooks, 11 dops, 12 risers, 31 ratchets, 32 retaining ratchets, 33 special spanners, 34 central shafts.
Detailed description of the invention
As shown in Fig. 13, this linear insulator disclosed in the present embodiment is changed instrument and is included fixing seat 1, insulating bar 2 and ratchet-wheel wire tightener 3, one end of insulating bar 2 is articulated with on fixing seat 1, and ratchet-wheel wire tightener 3 is connected on fixing seat 1, and insulating cord 4 is around on the central shaft 34 of ratchet-wheel wire tightener 3.
Fixing seat 1 includes riser 12 two pieces positioned opposite and is fixed on the dop 11 bottom two risers 12, two risers 12 are connected as a single entity by fixing bar 13, fixing bar 13 overcoat limited location set, riser 12 is provided with the row's circular hole arranged in circular arc, each circular hole on two risers 12 is oppositely arranged, and the center of circle of circular arc is positioned on the longitudinal center line of ratchet-wheel wire tightener 3 central shaft 34, and dop 11 is L-type, 11 liang of outer ends of dop are equipped with thread head, and thread head is cased with L-type movable block 7 and corresponding wing nut 8.
The two ends of insulating bar 2 are removably connected with fixing seat union joint 21 and insulating cord union joint 22 respectively, and two union joints are the rectangular sleeve being matched with insulating bar 2.Fixing seat union joint 21 is provided with through the hole, location of its pair of sidewalls, the centre-to-centre spacing of hole, location and pin joint is equal to the radius of circular arc, hole, location interpolation has the location bar 9 for limiting insulating bar 2 and riser 12 angle, the two ends of location bar 9 are threaded supporting nut, insulating cord union joint 22 is provided with two pulleys, one be positioned at directive wheel 5 on the upside of insulating bar 2, another be the reverse wheel 6 being positioned at insulating bar 2 end.
Ratchet-wheel wire tightener 3 includes ratchet 31, ratchet 32, special spanner 33 and central shaft 34, ratchet 31 and ratchet 32 and is fixed on same riser 12, and central shaft 34 is through two risers 12, and insulating bar 2 is articulated with between two risers 12 with its fixing seat union joint 21.
The material of fixing seat, fixing seat union joint and insulating cord union joint is rustless steel, and insulating bar is hollow insulation tube.
The invention also discloses a kind of utilize above-described embodiment as linear insulator change instrument replacing options, the method comprises the following steps:
(1) operator step on bar to masthead, and the wire closed on, linear insulator and cross-arm carry out electrical verification, confirm without continuing after funnel to step on bar to cross-arm position, wire, linear insulator and cross-arm are carried out insulation and covers;
(2) dop that linear insulator is changed instrument is clamped on cross-arm, extracts location bar, and rotating insulated bar makes the wire of the surface and relevant position that thread hook is positioned at linear insulator be connected;
(3) wire closed on, linear insulator and cross-arm are insulated and cover the binding that rear coordinated insulation eagle's beak pliers will change linear insulator and untie by operator again;
(4) operator operate ratchet-wheel wire tightener stringing, make load transfer, change linear insulator;
(5) after linear insulator has been changed, operator operate ratchet-wheel wire tightener unwrapping wire, make the guiding at thread hook place fall after rise to the wire casing of linear insulator;
(6) wire is tied up binding by operator's coordinated insulation eagle's beak pliers, cuts off unnecessary binding;
(7) repeat step (3)--(6), complete the replacing of each phase linear insulator;
(8) after all having changed, remove the mask of linear insulator and wire from far near successively, return to ground.
Visible, the replacing of linear insulator is carried out by the present invention, Renewal process only need to adopt insulating bar to operate, livewire work can be realized, it is not necessary to have a power failure, meet the requirement of indirect operating method, it is easy to the maintenance of agriculture distribution line, carry out troubleshooting when realizing agriculture distribution network live line, meet the need for electricity of urban residents, improve service quality.
Meanwhile, in order to ensure that thread hook can be always positioned at the surface of linear insulator wire, it is simple to the transfer of load, insulating bar is articulated with on fixing seat, and regulates angle therebetween by positioning bar and hole, location.
In order to make the stability of raising insulating cord, it is ensured that work efficiency, insulating bar is fixed with directive wheel and reverse wheel.
In order to ensure service life, improve result of use, the material of fixing seat is chosen as rustless steel.
In order to alleviate deadweight, it is simple to carry and operate, insulating bar is designed as hollow rod.

Claims (10)

1. a linear insulator changes instrument, it is characterized in that: it includes fixing seat, ratchet-wheel wire tightener and insulating bar, one end of insulating bar is articulated with on fixing seat, the ratchet of ratchet-wheel wire tightener is connected on fixing seat by its central shaft, insulating cord is around on central shaft, insulating bar is connected to the pulley for leading to insulating cord, fixing seat is installed on cross-arm, the position adjustment of insulating cord is realized by the position adjustment of insulating bar, wire is hooked by thread hook in the end of insulating cord, by ratchet-wheel wire tightener tighten up insulating cord come load transfer make linear insulator relax.
2. linear insulator according to claim 1 changes instrument, it is characterized in that: described fixing seat includes riser two pieces positioned opposite and is fixed on the dop bottom two risers, two risers are connected as a single entity by fixing bar, fixing bar overcoat limited location set, described ratchet and pawl is fixed on outside same riser, central shaft traverse two risers of ratchet-wheel wire tightener.
3. linear insulator according to claim 2 changes instrument, it is characterized in that: described riser is provided with the some circular holes arranged in circular arc, each circular hole on two risers is oppositely arranged, and the center of circle of circular arc is positioned on the longitudinal center line of described ratchet-wheel wire tightener central shaft.
4. linear insulator according to claim 3 changes instrument, it is characterised in that: described dop is L-type, and dop two outer end is equipped with thread head, and thread head is cased with L-type movable block and corresponding wing nut.
5. linear insulator according to claim 4 changes instrument, it is characterised in that: described insulating bar is articulated with between two risers of described fixing seat.
6. linear insulator according to claim 5 changes instrument, it is characterised in that: the two ends of described insulating bar are removably connected with fixing seat union joint and insulating cord union joint respectively, and two union joints are the rectangular sleeve being matched with insulating bar.
7. linear insulator according to claim 6 changes instrument, it is characterized in that: described fixing seat union joint is provided with through the hole, location of its pair of sidewalls, the centre-to-centre spacing of hole, location and pin joint is equal to the radius of described circular arc, hole, location interpolation has the location bar for limiting insulating bar and described riser angle, and the two ends of location bar are threaded supporting nut.
8. linear insulator according to claim 7 changes instrument, it is characterised in that: described pulley has two, is both secured on described insulating cord union joint, one be positioned at directive wheel on the upside of described insulating bar, another be the reverse wheel being positioned at insulating bar end.
9. linear insulator according to claim 8 changes instrument, it is characterised in that: the material of described fixing seat, described fixing seat union joint and described insulating cord union joint is rustless steel, and described insulating bar is hollow insulating bar.
10. the replacing options of a linear insulator, it is characterised in that: the method utilizes the replacing instrument described in claim 1-9 to change instrument as linear insulator, comprises the following steps:
(1) operator step on bar to masthead, and the wire closed on, linear insulator and cross-arm carry out electrical verification, confirm without continuing after funnel to step on bar to cross-arm position, wire, linear insulator and cross-arm are carried out insulation and covers;
(2) the fixing seat that linear insulator is changed instrument is clamped on cross-arm, and rotating insulated bar makes thread hook be positioned at the surface of linear insulator, and hooks the wire of corresponding position;
(3) wire closed on, linear insulator and cross-arm are insulated and cover the binding that rear coordinated insulation eagle's beak pliers will change linear insulator and untie by operator again;
(4) operator operate ratchet-wheel wire tightener stringing, make load transfer, change linear insulator;
(5) after linear insulator has been changed, operator operate ratchet-wheel wire tightener unwrapping wire, make the wire at thread hook place fall after rise to the wire casing of linear insulator;
(6) wire is tied up binding by operator, cuts off unnecessary binding;
(7) repeat step (3)--(6), complete the replacing of each phase linear insulator;
(8) after all having changed, remove the mask of linear insulator and wire from far near successively, return to ground.
CN201610391702.6A 2016-06-06 2016-06-06 Linear insulator replacing options Active CN105811313B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN105811313B CN105811313B (en) 2018-04-17

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108680837A (en) * 2018-05-18 2018-10-19 台州鼎拓工业设计有限公司 A kind of insulating cord segmented pressure experimental rig of transport easy to disassemble
CN109045799A (en) * 2018-10-24 2018-12-21 洛阳晟华机械科技有限公司 A kind of filter plate of disk filter
CN109244949A (en) * 2018-10-29 2019-01-18 国网新疆电力有限公司昌吉供电公司 Power distribution live-wire lifting wire tool
CN113224707A (en) * 2021-05-20 2021-08-06 广东电网有限责任公司 Terminal wire hanging device with sag adjusting function
CN114552482A (en) * 2022-03-18 2022-05-27 广东电网有限责任公司 Insulator replacement tool

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050096066A (en) * 2004-03-29 2005-10-05 추경엽 Structure of wire grip
CN202026034U (en) * 2011-03-22 2011-11-02 辽宁省电力有限公司鞍山供电公司 Overhead wire insulation wire lifter for 10-kilovolt circuit
CN202072422U (en) * 2011-05-30 2011-12-14 湖北省电力公司宜都市供电公司 Miniature lifting device for power distribution line maintenance
CN105305316A (en) * 2015-12-10 2016-02-03 国网四川省电力公司攀枝花供电公司 Mountainous region laborsaving line lifting device
CN205666530U (en) * 2016-06-06 2016-10-26 国家电网公司 Instrument is changed to straight line insulator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050096066A (en) * 2004-03-29 2005-10-05 추경엽 Structure of wire grip
CN202026034U (en) * 2011-03-22 2011-11-02 辽宁省电力有限公司鞍山供电公司 Overhead wire insulation wire lifter for 10-kilovolt circuit
CN202072422U (en) * 2011-05-30 2011-12-14 湖北省电力公司宜都市供电公司 Miniature lifting device for power distribution line maintenance
CN105305316A (en) * 2015-12-10 2016-02-03 国网四川省电力公司攀枝花供电公司 Mountainous region laborsaving line lifting device
CN205666530U (en) * 2016-06-06 2016-10-26 国家电网公司 Instrument is changed to straight line insulator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108680837A (en) * 2018-05-18 2018-10-19 台州鼎拓工业设计有限公司 A kind of insulating cord segmented pressure experimental rig of transport easy to disassemble
CN109045799A (en) * 2018-10-24 2018-12-21 洛阳晟华机械科技有限公司 A kind of filter plate of disk filter
CN109244949A (en) * 2018-10-29 2019-01-18 国网新疆电力有限公司昌吉供电公司 Power distribution live-wire lifting wire tool
CN109244949B (en) * 2018-10-29 2024-04-09 国网新疆电力有限公司昌吉供电公司 Wire lifting tool for distribution live working
CN113224707A (en) * 2021-05-20 2021-08-06 广东电网有限责任公司 Terminal wire hanging device with sag adjusting function
CN114552482A (en) * 2022-03-18 2022-05-27 广东电网有限责任公司 Insulator replacement tool

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