CN105870844B - The operational method of the arc-extinction device of disconnecting operation is charged for 35kV substation equipment drainage threads - Google Patents

The operational method of the arc-extinction device of disconnecting operation is charged for 35kV substation equipment drainage threads Download PDF

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Publication number
CN105870844B
CN105870844B CN201610200277.8A CN201610200277A CN105870844B CN 105870844 B CN105870844 B CN 105870844B CN 201610200277 A CN201610200277 A CN 201610200277A CN 105870844 B CN105870844 B CN 105870844B
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CN
China
Prior art keywords
arc
conducting wire
extinction device
drainage thread
rope
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CN201610200277.8A
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CN105870844A (en
Inventor
王林春
何海清
陶云春
何建
石和鹏
罗文军
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Lincang Power Supply Bureau of Yunnan Power Grid Co Ltd
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Lincang Power Supply Bureau of Yunnan Power Grid Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables

Abstract

The operational method of the arc-extinction device of disconnecting operation is charged for 35kV substation equipment drainage threads, arc-extinction device includes the apparatus main body (2) hung on female conducting wire by the hanging ring (1) on top, is fixedly connected on apparatus main body or the fixed clamping plate (3) for clamping female conducting wire being an integral structure with apparatus main body, the earphone plate (5) for suspending arc suppression tackle (9) in midair for being fixedly connected on fixed clamping plate bottom end;It is machined with the front and back hanging hole (7) of perforation on fixed clamping plate and leads to the channel (8) for being linked into female conducting wire of hanging hole from external side climbing type, lock pin (6) is installed at feeder connection, the female conducting wire movable clamping device (4) for leading to hanging hole from outer horizontal is installed in the other side of fixed clamping plate, a whole set of arc-extinction device is manufactured using the metal of well conducting.Arc-extinction device used in the present invention is simple in structure, easy to use, securely and reliably, the electrification disconnecting operation of 35kV substation equipment drainage threads may be implemented.

Description

The operation of the arc-extinction device of disconnecting operation is charged for 35kV substation equipment drainage threads Method
Technical field
The present invention relates to substation equipment livewire work technical fields, and in particular to one kind is drawn for 35kV substation equipments Streamline charges the arc-extinction device and application method of disconnecting operation.
Background technology
Arc-extinction device is one of specific purpose tool when charging disconnecting equipment drainage thread operation, by arc suppression tackle and with one The insulation extinguishing arc rope composition of section copper conductor.When carrying out electrification disconnecting work to overhead transmission line, usual operating personnel can be by exhausted The insulated platforms such as edge rope ladder or aerial lift device with insulated arm are entered drainage thread in a manner of equipotential and nearby install arc-extinction device, complete this (or connecting) drainage thread and separate infield a distance are disconnected after work, to ensure that electric arc will not injure personnel.Draw at this time Electric current on conductance line is by copper wire conducting on extinguishing arc rope, and 2 surface personnels' of extinguishing arc rope is ripe in operating arc-extinction device Practice under cooperation, wherein 1 people quickly pulls extinguishing arc rope and he another 1 people loosens extinguishing arc rope simultaneously, by the copper wire movement drawing on extinguishing arc rope Disconnected (or connecting) its charge and the electric arc that generates, work to complete electrification disconnecting drainage thread.However, when to substation equipment When drainage thread carries out electrification disconnecting work, the above method has been not suitable for.Be primarily due to running substation equipment drainage thread because By numerous installations and facilities influence of arrangement such as ground level transformer, switchgear and arrester, lead to the more inaccessibility work of aerial lift device with insulated arm Industry point, and suspension insulated flexible ladder is extremely difficult and not on the aerial soft bus conducting wire of mounting drainage thread or hard bus conducting wire Safety, at this moment just needs operating personnel according to ground installation arrangement, on framework cross-arm or by such as aerial lift device with insulated arm etc. Insulated platform and the special arc-extinction device for being suitable for indirect operating method using the assembly and disassembly of corresponding insulated operating tool, to complete band The drainage thread operation of electric disconnecting installations and facilities.
Invention content
Installation arc-extinction device is more difficult when the present invention is for the electrification disconnecting operation of substation equipment drainage thread even can not The reality of completion provides a kind of operational method of the arc-extinction device for the electrification disconnecting operation of 35kV substation equipment drainage threads.
Technical solution provided by the invention is as follows:
The operational method of the arc-extinction device of disconnecting operation is charged for 35kV substation equipment drainage threads, it is described to be used for 35kV The arc-extinction device that substation equipment drainage thread charges disconnecting operation includes the device hung on by the hanging ring on top on female conducting wire Main body is fixedly connected on apparatus main body or is used to clamp fixing to clamp for female conducting wire with what apparatus main body was an integral structure Plate, the earphone plate for suspending arc suppression tackle in midair for being fixedly connected on fixed clamping plate bottom end;It is machined with and passes through on fixed clamping plate Lead to front and back hanging hole and lead to the channel for being linked into female conducting wire of hanging hole from external side climbing type, pacifies at feeder connection Equipped with lock pin, female conducting wire movable clamping device that hanging hole is led to from outer horizontal is installed in the other side of fixed clamping plate, it is whole Set arc-extinction device is manufactured using the metal of well conducting;
Operational method using arc-extinction device of the present invention includes disconnecting operation and access operation, wherein
Disconnecting operational method, steps are as follows:
S0 arc-extinction device) is got out;
S1) the special insulation extinguishing arc rope with the one section of copper conductor woven with insulating cord by multiply annealed copper wire is penetrated and is disappeared In arc coaster (9), the both ends fag end to hang down is controlled by 2 ground staff respectively;
S2 arc-extinction device is chosen with insulating bar along channel (8) entrance) and is articulated in substation equipment into and by hanging hole It charges on female conducting wire of drainage thread;
S3 outer end and the rotation of female conducting wire movable clamping device (4)) are clamped by the tool on insulating bar end, Female conducting wire is compressed by precession mother's conducting wire movable clamping device (4);
S4) confirm that arc-extinction device firmly installs and one section of copper conductor on extinguishing arc rope has accessed arc suppression tackle and has been attached thereto Well, livewire work personnel will charge drainage thread using insulated operating tool and be bound together with copper conductor, and arc-extinction device is made to lead Electric current on passband electricity drainage thread;
S5 after) checking that insulation extinguishing arc rope the preceding paragraph copper wire and electrification drainage thread are in good conductive state, livewire work Personnel are disconnected drainage thread is charged from female conducting wire using insulated operating tool;
S6) 1 people in 2 ground staff quickly pulls insulation extinguishing arc rope, another 1 people cooperation quickly to unclamp insulation extinguishing arc simultaneously Rope completes electrification drainage thread and disconnects operation;
S7 after) ground staff removes arc-extinction device using insulated operating tool, the electrically disconnected drainage thread operation of bundling article;
Accessing operational method, steps are as follows:
S0 arc-extinction device) is got out;
S1) will be become with 35kV to be accessed by one section of multiply annealed copper wire and insulating cord braiding on special insulation extinguishing arc rope Power station equipment drainage thread banding fixed together and penetrates in arc-extinction device coaster, and the both ends fag end to hang down is respectively by 2 ground Personnel control;
S2) arc-extinction device is chosen along channel (8) with insulating bar and is articulated in mother into and by hanging hole by livewire work personnel On conducting wire;
S3 outer end and the rotation of female conducting wire movable clamping device (4)) are clamped by the tool on insulating bar end, Female conducting wire is compressed by precession mother's conducting wire movable clamping device (4);
S4 after) confirming that arc-extinction device firmly installs, 1 people in 2 ground staff quickly pulls extinguishing arc rope, and another 1 people matches It closes and quickly unclamps extinguishing arc rope, one section of extinguishing arc rope with annealed copper wire is made to quickly access on band goddess of lightning's conducting wire.
S5 after) confirming that one section of copper wire of insulation extinguishing arc rope is in good conductive state, livewire work personnel are grasped using insulation Make tool equipment drainage thread is accessed on female conducting wire and firmly installed;Equipment drainage thread is unlocked later to tie up with copper wire on extinguishing arc rope Prick connection;
S6 electrification access device drainage thread operation is completed after) removing arc-extinction device.
Mother's conducting wire movable clamping device of the present invention be can precession forward clamping screw, the inner face of the clamping screw For the arcwall face of indent, outer end face carries lug.
35kV substation equipment drainage threads may be implemented using arc-extinction device of the present invention and operational method and charge disconnecting operation, The arc-extinction device of the present invention is suitable for indirect live working mode, simple in structure, easy to use, securely and reliably.
Description of the drawings
Fig. 1 is the structural schematic diagram of arc-extinction device of the present invention;
Fig. 2 is the left view of Fig. 1.
Specific implementation mode
A kind of arc-extinction device for the electrification disconnecting operation of 35kV substation equipment drainage threads as shown in Figure 1 and Figure 2, packet Include the apparatus main body 2 hung on female conducting wire by the hanging ring 1 on top, be fixedly connected on apparatus main body 2 or with device master The fixed clamping plate 3 for clamping female conducting wire that body is an integral structure, be fixedly connected on fixed clamping plate bottom end for hanging Hang the earphone plate 5 of arc suppression tackle 9;The front and back hanging hole 7 of perforation is machined on fixed clamping plate 3 and from external side climbing type Lead to the channel 8 for being linked into female conducting wire of hanging hole, hanging hole 7 is matched with female wire diameter, and channel 8 is the logical of the female conducting wire of disengaging Road.The risk that mother's conducting wire is deviate from from arc-extinction device when livewire work in order to prevent is mounted in 8 inlet of channel by pin or spiral shell The fixed lock pin 6 of bolt opens lock pin, so that mother leads when arc-extinction device is linked into or exits female conducting wire by insulated operating tool Line passes in and out.Entrance is closed by insulated operating tool after arc-extinction device hangs up female conducting wire, deviates from conducting wire as arc-extinction device Back-up protection measure.The female conducting wire movable clamping dress for leading to hanging hole 7 from outer horizontal is installed in the other side of fixed clamping plate 4 are set, a whole set of arc-extinction device is manufactured using the metal of well conducting.Mother's conducting wire movable clamping device 4 is can precession forward Clamping screw, the compressible female conducting wire of precession, back-out can unclamp female conducting wire.The inner face 4a of clamping screw is the arcwall face of indent, With the female conducting wire external shape fits to be compressed, to ensure female conducting wire compressing pressure surely, the outer end face of clamping screw is convex with lug 4b Handle can be I word rod-shape, can also be regular hexagon structure or other end shapes suitable for insulation operating rod for hot-line work Shape is screwed or is unclamped convenient for insulation operating rod for hot-line work.
The device of the invention main body 2 can be manufactured as multiple structural forms.For example, can make apparatus main body becomes one Side open frame structure, fixed clamping plate 3 is installed in open frame, and earphone plate 5 is fixedly installed in frame bottom end; One side climbing type that channel 7 is located at apparatus main body open sides from fixed clamping plate leads to hanging hole, female 4 water of conducting wire movable clamping device It is flat to lead to hanging hole across the closed side of apparatus main body and fixed clamping plate.Apparatus main body can also be fabricated to a rectangular block, Female conducting wire fixed clamping plate is fixedly connected on rectangular block bottom end, earphone plate is fixedly installed in fixed clamping plate bottom end;Channel 7 From fixed clamping plate side, climbing type leads to hanging hole, and female conducting wire movable clamping device penetrates logical from fixed clamping plate other side level To hanging hole.Apparatus main body can make integrally with female conducting wire fixed clamping plate, can also be fabricated to two to be mutually permanently connected A part.
The method of disconnecting operation is charged including disconnecting for 35kV substation equipment drainage threads using arc-extinction device of the present invention Operation and access operation, wherein disconnecting operational method, steps are as follows:
S0 arc-extinction device) is got out;
S1) the special insulation extinguishing arc rope with the one section of copper conductor woven with insulating cord by multiply annealed copper wire is penetrated and is disappeared In arc coaster 9, the both ends fag end to hang down is controlled by 2 ground staff respectively;
S2 arc-extinction device is chosen with insulating bar along 8 entrance of channel) and is articulated in substation equipment band into and by hanging hole On female conducting wire of electric drainage thread;
S3 outer end and the rotation of female conducting wire movable clamping device 4) are clamped by the tool on insulating bar end, are led to It crosses precession mother's conducting wire movable clamping device 4 and compresses female conducting wire;
S4) confirm that arc-extinction device firmly installs and one section of copper conductor on extinguishing arc rope has accessed arc suppression tackle and has been attached thereto Well, livewire work personnel will charge drainage thread using insulated operating tool and be bound together with copper conductor, and arc-extinction device is made to lead Electric current on passband electricity drainage thread;
S5 after) checking that insulation extinguishing arc rope the preceding paragraph copper wire and electrification drainage thread are in good conductive state, livewire work Personnel are disconnected drainage thread is charged from female conducting wire using insulated operating tool;
S6) 1 people in 2 ground staff quickly pulls insulation extinguishing arc rope, another 1 people cooperation quickly to unclamp insulation extinguishing arc simultaneously Rope completes electrification drainage thread and disconnects operation;
S7 after) ground staff removes arc-extinction device using insulated operating tool, the electrically disconnected drainage thread operation of bundling article;
Accessing operational method, steps are as follows:
S0 arc-extinction device) is got out;
S1) will be become with 35kV to be accessed by one section of multiply annealed copper wire and insulating cord braiding on special insulation extinguishing arc rope Power station equipment drainage thread banding fixed together and penetrates in arc-extinction device coaster, and the both ends fag end to hang down is respectively by 2 ground Personnel control;
S2) livewire work personnel, which are chosen arc-extinction device along channel 8 with insulating bar, is articulated in mother into and by hanging hole and leads On line;
S3 outer end and the rotation of female conducting wire movable clamping device 4) are clamped by the tool on insulating bar end, are led to It crosses precession mother's conducting wire movable clamping device 4 and compresses female conducting wire;
S4 after) confirming that arc-extinction device firmly installs, 1 people in 2 ground staff quickly pulls extinguishing arc rope, and another 1 people matches It closes and quickly unclamps extinguishing arc rope, one section of extinguishing arc rope with annealed copper wire is made to quickly access on band goddess of lightning's conducting wire.
S5 after) confirming that one section of copper wire of insulation extinguishing arc rope is in good conductive state, livewire work personnel are grasped using insulation Make tool equipment drainage thread is accessed on female conducting wire and firmly installed;Equipment drainage thread is unlocked later to tie up with copper wire on extinguishing arc rope Prick connection;
S6 electrification access device drainage thread operation is completed after) removing arc-extinction device.

Claims (2)

1. the operational method of the arc-extinction device for the electrification disconnecting operation of 35kV substation equipment drainage threads, which is characterized in that institute The arc-extinction device for charging disconnecting operation for 35kV substation equipment drainage threads is stated, includes being hung on by the hanging ring (1) on top Apparatus main body (2) on female conducting wire is fixedly connected on apparatus main body (2) or is used for what apparatus main body was an integral structure It clamps the fixed clamping plate (3) of female conducting wire, be fixedly connected on the hangers for suspending arc suppression tackle (9) in midair of fixed clamping plate bottom end Plate (5);It is machined with the front and back hanging hole (7) of perforation on fixed clamping plate (3) and leads to hanging hole from external side climbing type Channel (8) for being linked into female conducting wire is equipped with lock pin (6) in channel (8) inlet, is installed in the other side of fixed clamping plate There are the female conducting wire movable clamping device (4) for leading to hanging hole (7) from outer horizontal, a whole set of arc-extinction device to use the metal of well conducting It manufactures;
The operational method of arc-extinction device includes disconnecting operation and access operation, wherein
Disconnecting operational method, steps are as follows:
S0 arc-extinction device) is got out;
S1) extinguishing arc cunning is penetrated with the insulation extinguishing arc rope by multiply annealed copper wire and one section of copper conductor of insulating cord braiding by special In vehicle (9), the both ends fag end to hang down is controlled by 2 ground staff respectively;
S2 arc-extinction device is chosen with insulating bar along channel (8) entrance) and is articulated in substation equipment electrification into and by hanging hole On female conducting wire of drainage thread;
S3 outer end and the rotation that female conducting wire movable clamping device (4)) is clamped by the tool on insulating bar end, pass through Precession mother's conducting wire movable clamping device (4) compresses female conducting wire;
S4) confirm that arc-extinction device firmly installs and one section of copper conductor on extinguishing arc rope has accessed arc suppression tackle and has been attached thereto good Good, livewire work personnel will charge drainage thread using insulated operating tool and be bound together with copper conductor, and arc-extinction device is made to be connected Charge electric current on drainage thread;
S5 after) checking that insulation extinguishing arc rope the preceding paragraph copper wire and electrification drainage thread are in good conductive state, livewire work personnel It is disconnected from female conducting wire using insulated operating tool by drainage thread is charged;
S6) 1 people in 2 ground staff quickly pulls insulation extinguishing arc rope, another 1 people cooperation quickly to unclamp insulation extinguishing arc rope simultaneously, It completes electrification drainage thread and disconnects operation;
S7 after) ground staff removes arc-extinction device using insulated operating tool, the electrically disconnected drainage thread operation of bundling article;
Accessing operational method, steps are as follows:
S0 arc-extinction device) is got out;
S1) by special insulation extinguishing arc rope by multiply annealed copper wire and insulating cord braiding one section with 35kV substations to be accessed Equipment drainage thread banding fixed together and penetrates in arc-extinction device coaster, and the both ends fag end to hang down is respectively by 2 ground staff Control;
S2) arc-extinction device is chosen along channel (8) with insulating bar and is articulated in female conducting wire into and by hanging hole by livewire work personnel On;
S3 outer end and the rotation that female conducting wire movable clamping device (4)) is clamped by the tool on insulating bar end, pass through Precession mother's conducting wire movable clamping device (4) compresses female conducting wire;
S4 after) confirming that arc-extinction device firmly installs, 1 people in 2 ground staff quickly pulls extinguishing arc rope, and another 1 people cooperation is fast Speed unclamps extinguishing arc rope, and one section of extinguishing arc rope with annealed copper wire is made to quickly access on band goddess of lightning's conducting wire;
S5 after) confirming that one section of copper wire of insulation extinguishing arc rope is in good conductive state, livewire work personnel use insulation operative employee Equipment drainage thread is accessed on female conducting wire and is firmly installed by tool;Equipment drainage thread is unlocked later and the binding of copper wire on extinguishing arc rope connects It connects;
S6 electrification access device drainage thread operation is completed after) removing arc-extinction device.
2. the operation of the arc-extinction device according to claim 1 for the electrification disconnecting operation of 35kV substation equipment drainage threads Method, which is characterized in that mother's conducting wire movable clamping device (4) be can precession forward clamping screw, the clamping screw Inner face (4a) is the arcwall face of indent, and outer end face carries lug (4b).
CN201610200277.8A 2016-04-01 2016-04-01 The operational method of the arc-extinction device of disconnecting operation is charged for 35kV substation equipment drainage threads Active CN105870844B (en)

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CN109921335A (en) * 2019-03-25 2019-06-21 云南电网有限责任公司昆明供电局 Pylon route uses extinguishing arc rope ground potential breaking and connecting drainage thread working system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202034702U (en) * 2011-01-14 2011-11-09 北京市电力公司 Arc extinguishing rope, wire fastener, arc extinguishing pulley and cable control lever
CN202534972U (en) * 2012-03-30 2012-11-14 辽宁省电力有限公司辽阳供电公司 Over-current clamping device
CN202586166U (en) * 2012-04-28 2012-12-05 辽宁省电力有限公司锦州供电公司 Tackle for disconnecting lead from tubular busbar and connecting lead to tubular busbar
CN102832567A (en) * 2012-08-09 2012-12-19 国家电网公司 Arc suppressing device for leads disconnected in live manner and method for disconnecting leads in live manner
CN203645247U (en) * 2013-12-20 2014-06-11 武汉珈铭凯尔电气科技发展有限公司 Insulating rod with arc-extinguishing device, and arc-transferring and arc-extinguishing device
CN103986086A (en) * 2014-04-14 2014-08-13 国家电网公司 Arc suppression tackle for disconnecting and connecting drainage thread in transformer substation in charged mode
CN204481397U (en) * 2015-03-25 2015-07-15 国家电网公司 A kind of novel conductive wire charged disconnecting drainage thread arc suppression tackle
CN104868403A (en) * 2015-05-08 2015-08-26 国家电网公司 Portable 120-to-400mm2 aluminum conductor steel reinforced cable shunting clamp and use method thereof
CN105207123A (en) * 2015-10-13 2015-12-30 国网辽宁省电力有限公司丹东供电公司 Equipotential operation method of tubular bus
CN205509381U (en) * 2016-04-01 2016-08-24 云南电网有限责任公司临沧供电局 A arc extinction device that is used for 35kV substation equipment drainage tape electricity breaking of contact operation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202034702U (en) * 2011-01-14 2011-11-09 北京市电力公司 Arc extinguishing rope, wire fastener, arc extinguishing pulley and cable control lever
CN202534972U (en) * 2012-03-30 2012-11-14 辽宁省电力有限公司辽阳供电公司 Over-current clamping device
CN202586166U (en) * 2012-04-28 2012-12-05 辽宁省电力有限公司锦州供电公司 Tackle for disconnecting lead from tubular busbar and connecting lead to tubular busbar
CN102832567A (en) * 2012-08-09 2012-12-19 国家电网公司 Arc suppressing device for leads disconnected in live manner and method for disconnecting leads in live manner
CN203645247U (en) * 2013-12-20 2014-06-11 武汉珈铭凯尔电气科技发展有限公司 Insulating rod with arc-extinguishing device, and arc-transferring and arc-extinguishing device
CN103986086A (en) * 2014-04-14 2014-08-13 国家电网公司 Arc suppression tackle for disconnecting and connecting drainage thread in transformer substation in charged mode
CN204481397U (en) * 2015-03-25 2015-07-15 国家电网公司 A kind of novel conductive wire charged disconnecting drainage thread arc suppression tackle
CN104868403A (en) * 2015-05-08 2015-08-26 国家电网公司 Portable 120-to-400mm2 aluminum conductor steel reinforced cable shunting clamp and use method thereof
CN105207123A (en) * 2015-10-13 2015-12-30 国网辽宁省电力有限公司丹东供电公司 Equipotential operation method of tubular bus
CN205509381U (en) * 2016-04-01 2016-08-24 云南电网有限责任公司临沧供电局 A arc extinction device that is used for 35kV substation equipment drainage tape electricity breaking of contact operation

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