CN105870844A - Arc extinction apparatus used for drainage wire electrified disconnection-connection operation of 35kV substation equipment and use method - Google Patents
Arc extinction apparatus used for drainage wire electrified disconnection-connection operation of 35kV substation equipment and use method Download PDFInfo
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- CN105870844A CN105870844A CN201610200277.8A CN201610200277A CN105870844A CN 105870844 A CN105870844 A CN 105870844A CN 201610200277 A CN201610200277 A CN 201610200277A CN 105870844 A CN105870844 A CN 105870844A
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- Prior art keywords
- arc
- drainage thread
- rope
- wire
- charged
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- Load-Engaging Elements For Cranes (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses an arc extinction apparatus used for a drainage wire electrified disconnection-connection operation of 35kV substation equipment and a use method. The arc extinction apparatus comprises an apparatus body (2), a fixing and clamping plate (3) and a suspension loop plate (5), wherein the apparatus body is suspended on a bus conductor through a flying ring (1) at the top end; the fixing and clamping plate is fixedly connected to the apparatus body or arranged in an integrated structure with the apparatus body for tightly clamping the bus conductor; the suspension loop plate is fixedly connected to the bottom end of the fixing and clamping plate and used for suspending an arc-extinction pulley (9); a suspension hole (7) which runs through the fixing and clamping plate in the front-and-back direction and a channel (8) which is communicated to the suspension hole in a climbing type from one side of the external and used for hanging the bus conductor are formed in the fixing and clamping plate; a locking pin (6) is mounted at the inlet of the channel; a bus conductor movable clamping apparatus (4) which is communicated to the suspension hole horizontally from the external is mounted on the other side of the fixing and clamping plate; and the whole set of the arc extinction apparatus is made from high-conductivity metal. The arc extinction apparatus provided by the invention is simple in structure, convenient to use, safe and reliable, and capable of realizing the drainage wire electrified disconnection-connection operation of the 35kV substation equipment.
Description
Technical field
The present invention relates to substation equipment livewire work technical field, be specifically related to a kind of for 35kV substation equipment drainage thread
The arc-extinction device of charged disconnecting operation and using method.
Background technology
Arc-extinction device is one of specific purpose tool during charged disconnecting equipment drainage thread operation, and it is by arc suppression tackle and with one section of copper
The insulation extinguishing arc rope composition of wire.When overhead transmission line carries out charged disconnecting work, usual operating personnel can be by insulation
The insulated platform such as rope ladder or aerial lift device with insulated arm enters into installation arc-extinction device near drainage thread in isoelectric level mode, completes this
(or connecting) drainage thread remotely mounted place one segment distance is disconnected, to guarantee that electric arc will not injure personnel after work.This
Electric current on Shi Yinliu wire turns on by copper cash on extinguishing arc rope, 2 ground handling people of extinguishing arc rope in operation arc-extinction device
Under member skilled coordinates, wherein 1 people quickly pulls extinguishing arc rope and another 1 people loosens extinguishing arc rope simultaneously, relies on extinguishing arc rope
Copper cash move break (or connecting) its charged and electric arc that produces, thus complete the work of charged disconnecting drainage thread.But,
When substation equipment drainage thread carries out charged disconnecting work, said method is the most inapplicable.It is primarily due to operating change
Power station equipment drainage thread is because by numerous installations and facilities influence of arrangements such as ground level transformer, switchgear and spark gaps, causing absolutely
The more inaccessibility setting of edge bucket arm vehicle, and hang absolutely on the aerial soft bus wire or hard bus wire of mounting drainage thread
Edge rope ladder is the most extremely difficult and dangerous, is at this moment accomplished by operating personnel according to ground installation arrangement, at framework cross-arm
Upper or by such as insulated platforms such as aerial lift device with insulated arm and use corresponding insulated operating tool mounting or dismounting to be applicable to indirect operating method
Special arc-extinction device, thus complete the drainage thread operation of charged disconnecting installations and facilities.
Summary of the invention
The arc-extinction device reality that more difficulty even cannot complete is installed when the present invention is directed to the charged disconnecting operation of substation equipment drainage thread
Border, it is provided that a kind of arc-extinction device for the charged disconnecting operation of 35kV substation equipment drainage thread and using method.
The technical scheme that the present invention provides is as follows:
A kind of arc-extinction device for the charged disconnecting operation of 35kV substation equipment drainage thread, this device includes hanging by top
Ring hangs on the apparatus main body on female wire, be fixedly connected on apparatus main body or with apparatus main body be integral type structure for
Clamp the fixed clamping plate of female wire, be fixedly connected on the earphone plate for suspending arc suppression tackle in midair of fixed clamping plate bottom;Solid
Determine to be machined with on clamping plate through before and after hanging hole and from outside side climbing type lead to hanging hole for being linked into the logical of female wire
Road, is provided with lock pin at feeder connection, and the opposite side at fixed clamping plate is provided with the female wire leading to hanging hole from outer horizontal
Movable clamping device, a whole set of arc-extinction device uses the metal of well conducting to manufacture.
Female wire movable clamping device of the present invention be can the clamping screw of precession forward, the inner face of this clamping screw is indent
Arcwall face, outer face is with lug.
The operational method using arc-extinction device of the present invention includes disconnecting operation and accessing operation, wherein,
Disconnect operational method step as follows:
S0) arc-extinction device is got out;
S1) special is penetrated arc suppression tackle with by the insulation extinguishing arc rope of multiply annealed copper wire with one section of copper conductor of insulating cord braiding
In, the two ends fag end hung down is controlled by 2 ground staff respectively;
S2) with insulating bar arc-extinction device chosen into along feeder connection and be articulated in the charged drainage thread of substation equipment by hanging hole
Female wire on;
S3) handle the outer end of female wire movable clamping device by the tool kit on insulating bar termination and rotate, passing through precession
Female wire movable clamping device compresses female 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,
Operating personnel utilizes insulated operating tool by charged drainage thread together with copper conductor colligation, makes arc-extinction device turn on charged drainage thread
Upper electric current;
S5), after checking that insulation extinguishing arc rope the preceding paragraph copper cash and charged drainage thread are in good conductive state, livewire work personnel make
With insulated operating tool, charged drainage thread is disconnected from female wire;
S6) 1 people in 2 Ground Operation personnel quickly pulls insulation extinguishing arc rope, quickly unclamps insulation and disappear the while that another 1 people coordinating
Arc rope, completes charged drainage thread and disconnects operation;
S7) after Ground Operation librarian use insulated operating tool removes arc-extinction device, bundling article electrically disconnected drainage thread operation;
Access operational method step as follows:
S0) arc-extinction device is got out;
S1) by special insulation extinguishing arc rope by one section of the braiding of multiply annealed copper wire and insulating cord with 35kV transformer station to be accessed
Equipment drainage thread colligation is fixed together and penetrates in arc-extinction device coaster, and the two ends fag end hung down is respectively by 2 ground staff's controls
System;
S2) arc-extinction device is chosen along passage with insulating bar and is articulated in by hanging hole on female wire by operating personnel;
S3) handle the outer end of female wire movable clamping device by the tool kit on insulating bar termination and rotate, passing through precession
Female wire movable clamping device compresses female wire;
S4), after confirming that arc-extinction device firmly installs, 1 people in 2 Ground Operation personnel quickly pulls extinguishing arc rope, and another 1 people
Coordinate and quickly unclamp extinguishing arc rope, make to quickly access on band goddess of lightning's wire with one section of extinguishing arc rope of annealed copper wire.
S5), after one section of copper cash of confirmation insulation extinguishing arc rope is in good conductive state, operating personnel uses insulated operating tool to set
Standby drainage thread accesses on female wire and firmly installs;Untie equipment drainage thread afterwards to be connected with the colligation of copper cash on extinguishing arc rope;
S6) charged access device drainage thread operation is completed after removing arc-extinction device.
Use arc-extinction device of the present invention and operational method can realize the charged disconnecting operation of 35kV substation equipment drainage thread, this
Bright arc-extinction device is applicable to indirect live working mode, and simple in construction is easy to use, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of arc-extinction device of the present invention;
Fig. 2 is the left view of Fig. 1.
Detailed description of the invention
A kind of arc-extinction device for the charged disconnecting operation of 35kV substation equipment drainage thread as shown in Figure 1 and Figure 2, including
Hang on the apparatus main body 2 on female wire by the suspension ring 1 on top, be fixedly connected on apparatus main body 2 or and apparatus main body
For integral type structure for clamping the fixed clamping plate 3 of female wire, being fixedly connected on disappearing for suspention of fixed clamping plate bottom
The earphone plate 5 of arc coaster 9;Fixed clamping plate 3 is machined with through before and after hanging hole 7 and lead to from outside side climbing type
To the passage 8 for being linked into female wire of hanging hole, hanging hole 7 mates with female wire diameter, and passage 8 is the passage of the female wire of turnover.
The risk deviate from from arc-extinction device for mother's wire when preventing livewire work, is mounted with by pin or bolt solid in passage 8 porch
Fixed lock pin 6, opens lock pin when arc-extinction device is linked into or exits female wire by insulated operating tool, is beneficial to female wire and enters
Go out.Closing entrance by insulated operating tool after arc-extinction device hangs up female wire, the standby as arc-extinction device abjection wire is protected
Protect measure.Opposite side at fixed clamping plate is provided with the female wire movable clamping device 4 leading to hanging hole 7 from outer horizontal, whole
Set arc-extinction device uses the metal of well conducting to manufacture.Described female wire movable clamping device 4 be can the clamping screw of precession forward,
Precession can compress female wire, and back-out can unclamp female wire.The arcwall face that inner face 4a is indent of clamping screw, with to be compressed
Female wire external shape fits, to guarantee mother's wire is compressed pressure surely, the outer face of clamping screw is with lug 4b, and lug can be I word
Rod-shape, it is also possible to be regular hexagon structure or other be applicable to the tip shapes of insulation operating rod for hot-line work, it is simple to charged
Operation insulating bar screws or unclamps.
Assembly of the invention main body 2 can be to manufacture as various structures form.Open for example, it is possible to apparatus main body making is become side
Put formula frame structure, fixed clamping plate 3 is installed in open frame, earphone plate 5 is fixedly installed in framework bottom;Logical
One side climbing type that road 7 is positioned at apparatus main body open sides from fixed clamping plate leads to hanging hole, female wire movable clamping device 4 level
Closed side and fixed clamping plate through apparatus main body lead to hanging hole.Apparatus main body can also be fabricated to a rectangular block, by mother
Wire fixed clamping plate is fixedly connected on rectangular block bottom, and earphone plate is fixedly installed in fixed clamping plate bottom;Passage 7 is from solid
Determining clamping plate side climbing type and lead to hanging hole, female wire movable clamping device penetrates from fixed clamping plate opposite side level and leads to hanging hole.
Apparatus main body can be fabricated to one with female wire fixed clamping plate, it is also possible to is fabricated to two parts being mutually permanently connected.
Use arc-extinction device of the present invention for the method for 35kV substation equipment drainage thread charged disconnecting operation include disconnecting operation and
Access operation, wherein, disconnect operational method step as follows:
S0) arc-extinction device is got out;
S1) special is penetrated arc suppression tackle with by the insulation extinguishing arc rope of multiply annealed copper wire with one section of copper conductor of insulating cord braiding
In 9, the two ends fag end hung down is controlled by 2 ground staff respectively;
S2) with insulating bar arc-extinction device chosen into along passage 8 entrance and be articulated in the charged drain of substation equipment by hanging hole
On female wire of line;
S3) handle the outer end of female wire movable clamping device 4 by the tool kit on insulating bar termination and rotate, by rotation
Enter female wire movable clamping device 4 and compress female 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,
Operating personnel utilizes insulated operating tool by charged drainage thread together with copper conductor colligation, makes arc-extinction device turn on charged drainage thread
Upper electric current;
S5), after checking that insulation extinguishing arc rope the preceding paragraph copper cash and charged drainage thread are in good conductive state, livewire work personnel make
With insulated operating tool, charged drainage thread is disconnected from female wire;
S6) 1 people in 2 Ground Operation personnel quickly pulls insulation extinguishing arc rope, quickly unclamps insulation and disappear the while that another 1 people coordinating
Arc rope, completes charged drainage thread and disconnects operation;
S7) after Ground Operation librarian use insulated operating tool removes arc-extinction device, bundling article electrically disconnected drainage thread operation;
Access operational method step as follows:
S0) arc-extinction device is got out;
S1) by special insulation extinguishing arc rope by one section of the braiding of multiply annealed copper wire and insulating cord with 35kV transformer station to be accessed
Equipment drainage thread colligation is fixed together and penetrates in arc-extinction device coaster, and the two ends fag end hung down is respectively by 2 ground staff's controls
System;
S2) arc-extinction device is chosen along passage 8 with insulating bar and is articulated in by hanging hole on female wire by operating personnel;
S3) handle the outer end of female wire movable clamping device 4 by the tool kit on insulating bar termination and rotate, by rotation
Enter female wire movable clamping device 4 and compress female wire;
S4), after confirming that arc-extinction device firmly installs, 1 people in 2 Ground Operation personnel quickly pulls extinguishing arc rope, and another 1 people
Coordinate and quickly unclamp extinguishing arc rope, make to quickly access on band goddess of lightning's wire with one section of extinguishing arc rope of annealed copper wire.
S5), after one section of copper cash of confirmation insulation extinguishing arc rope is in good conductive state, operating personnel uses insulated operating tool to set
Standby drainage thread accesses on female wire and firmly installs;Untie equipment drainage thread afterwards to be connected with the colligation of copper cash on extinguishing arc rope;
S6) charged access device drainage thread operation is completed after removing arc-extinction device.
Claims (3)
1. for the arc-extinction device of 35kV substation equipment drainage thread charged disconnecting operation, it is characterised in that
This device includes that the suspension ring (1) by top hang on the apparatus main body (2) on female wire, are fixedly connected on
Apparatus main body (2) upper or with the fixed clamping plate for clamping female wire that apparatus main body is integral type structure
(3) earphone plate (5) for suspending arc suppression tackle (9) in midair of fixed clamping plate bottom, it is fixedly connected on;?
Be machined with on fixed clamping plate (3) through before and after hanging hole (7) and lead to extension from outside side climbing type
The passage (8) for being linked into female wire in hole, is provided with lock pin (6) in passage (8) porch, fixing
The opposite side of clamping plate is provided with female wire movable clamping device (4) leading to hanging hole (7) from outer horizontal,
A whole set of arc-extinction device uses the metal of well conducting to manufacture.
Disappearing for 35kV substation equipment drainage thread charged disconnecting operation the most according to claim 1
Arc device, it is characterised in that described female wire movable clamping device (4) be can the clamping screw of precession forward,
The inner face (4a) of this clamping screw is the arcwall face of indent, and outer face is with lug (4b).
3. it is used for disappearing of 35kV substation equipment drainage thread charged disconnecting operation as claimed in claim 1 or 2
The operational method of arc device, it is characterised in that include disconnecting operation and accessing operation, wherein,
Disconnect operational method step as follows:
S0) arc-extinction device is got out;
S1) by the special insulation extinguishing arc rope with the one section of copper conductor woven with insulating cord by multiply annealed copper wire
Penetrating in arc suppression tackle (9), the two ends fag end hung down is controlled by 2 ground staff respectively;
S2) with insulating bar arc-extinction device chosen into along passage (8) entrance and be articulated in power transformation by hanging hole
On female wire of the charged drainage thread of station equipment;
S3) outer end of female wire movable clamping device (4) is handled by the tool kit on insulating bar termination
And rotate, compress female wire by precession mother's wire movable clamping device (4);
S4) confirm arc-extinction device firmly install and one section of copper conductor on extinguishing arc rope accessed arc suppression tackle and with
Connection good, operating personnel utilizes insulated operating tool by charged drainage thread together with copper conductor colligation,
Arc-extinction device is made to turn on electric current on charged drainage thread;
S5) after checking that insulation extinguishing arc rope the preceding paragraph copper cash and charged drainage thread are in good conductive state, band
Electricity operating personnel uses insulated operating tool to be disconnected from female wire by charged drainage thread;
S6) 1 people in 2 Ground Operation personnel quickly pulls insulation extinguishing arc rope, and another 1 people coordinates the most quickly
Unclamp insulation extinguishing arc rope, complete charged drainage thread and disconnect operation;
S7) after Ground Operation librarian use insulated operating tool removes arc-extinction device, the electrically disconnected drain of bundling article
Line operation;
Access operational method step as follows:
S0) arc-extinction device is got out;
S1) by special insulation extinguishing arc rope by one section of the braiding of multiply annealed copper wire and insulating cord with to be accessed
35kV substation equipment drainage thread colligation is fixed together and penetrates in arc-extinction device coaster, the two ends rope hung down
Head is controlled by 2 ground staff respectively;
S2) arc-extinction device is chosen into along passage (8) with insulating bar and is articulated in by hanging hole by operating personnel
On female wire;
S3) outer end of female wire movable clamping device (4) is handled by the tool kit on insulating bar termination
And rotate, compress female wire by precession mother's wire movable clamping device (4);
S4), after confirming that arc-extinction device firmly installs, 1 people in 2 Ground Operation personnel quickly pulls extinguishing arc rope,
And another 1 people coordinates and quickly unclamps extinguishing arc rope, make to quickly access the band goddess of lightning with one section of extinguishing arc rope of annealed copper wire and lead
On line;
S5), after one section of copper cash of confirmation insulation extinguishing arc rope is in good conductive state, operating personnel uses insulation
Equipment drainage thread is accessed on female wire and firmly installs by operation instrument;Untie equipment drainage thread and extinguishing arc afterwards
On rope, the colligation of copper cash connects;
S6) charged access device drainage thread operation is completed after removing arc-extinction device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610200277.8A CN105870844B (en) | 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 |
Applications Claiming Priority (1)
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CN201610200277.8A CN105870844B (en) | 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 |
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CN105870844A true CN105870844A (en) | 2016-08-17 |
CN105870844B CN105870844B (en) | 2018-09-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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)
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 |
-
2016
- 2016-04-01 CN CN201610200277.8A patent/CN105870844B/en active Active
Patent Citations (10)
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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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