CN103066526B - A kind of ground connection line method and separated earthing instrument for ultra-high-tension power transmission line - Google Patents
A kind of ground connection line method and separated earthing instrument for ultra-high-tension power transmission line Download PDFInfo
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- CN103066526B CN103066526B CN201210522522.9A CN201210522522A CN103066526B CN 103066526 B CN103066526 B CN 103066526B CN 201210522522 A CN201210522522 A CN 201210522522A CN 103066526 B CN103066526 B CN 103066526B
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Abstract
The present invention relates to power transmission lines overhauling technical field, and in particular to a kind of ground connection line method and separated earthing instrument for ultra-high-tension power transmission line of power transmission lines overhauling.The separated earthing instrument that the ground connection line method uses, including：Earth lead card, L-shaped screw rod joint, screw socket operate dop, action bars, and the screw socket connecting hole with L-shaped screw rod joint screwed connection is provided with the earth lead card, and the L-shaped screw rod joint other end is connected with screw socket operation dop；The other end of screw socket operation dop snaps connection with action bars.The operating personnel that the present invention can be grounded installing will not both contact annealed copper wire, without climbing out of insulator, and can also hanging point of the control card head on wire, accomplish " point to where; just ground wire hang over where ", it is convenient and swift for operator, and securely and reliably.The live load for greatly reducing staff ensure that the work quality of hanging earthing conductor, substantially reduce the activity duration, improve operating efficiency.
Description
Technical field
The present invention relates to power transmission lines overhauling technical field, and in particular to one kind of power transmission lines overhauling is used for high voltage power transmission
The ground connection line method and separated earthing instrument of circuit.
Background technology
At present, worked on power circuit, strictly to carry out power failure, electrical verification for guarantee safety, install ground wire, using individual
The technical measures that people's safety wire, suspension warning sign and installing are blocked, so being grounded in line work, to ensure work safety
Play vital effect.
Used in 110KV and 220KV transmission lines of electricity is all crocodile mouth formula formula ground wire, middle to be grasped by wire and insulation
Make rope connection.Staff one end on shaft tower is connected ground connection with tower body when this ground wire uses, and the other end will need to be grounded
Bayonet socket open, hold the rope body on ground wire by bayonet socket vertically to wire, and using ground wire from flumping on wire
And wire is blocked, this ground wire seems rationally convenient and safe, but has been found that problems be present by practical operation：
（One）It is not easy to operate on shaft tower, the working strength of operator is greatly increased on shaft tower.
Ground wire can not only contact wire only, to lean on the clamping in a flash of vertically falling of focusing on certainly of wire dop to lead
Line, it is on wire and the dop of lips is accurate that this requires that operator will fall dop as the pin that hangs down falls hole
Block wire and could complete to operate.Worked on shaft tower, wire is often with the operating point of staff apart from far, only
110KV wire vertical ranges operating point is connected wires work just in more than 1700mm for the suspension type of irregular swing in the air
The skyborne trend of personnel's uncontrollable ground wire clamp head at all.
On anchor support, the 220KV circuits drainage thread of resistance to interior angle not only apart from operating point in more than 3000mm, and with operation
Point is not again vertical angle, and grounding wire mounting correctly can not be located on drainage thread by staff at all, if having wind running into
Weather, this line behaviour's formula ground wire, which is blown off, to be hung a staff and is just more difficult to operate, and often staff will climb out of insulation
Son, it is sitting in wire left-hand seat and holds wire dop to install ground wire, working strength is greatly increased for staff.Work
Only this technical safety measures of hanging earthing conductor just takes time and effort before making, and delays the normal working time.
（Two）Safety requirement is not met during use, there is serious potential safety hazard.
（1）, installing ground wire when, human body can not touch ground wire annealed copper wire, due to insulation operating rope it is too light, it is impossible to
Control skyborne dop, even if contact wire can not by the dop of opening it is vertical be accurately stuck in wire by conducting oneself with dignity
On, so staff can only control dop to go suspension to be grounded during installing using heavier ground wire annealed copper wire
Line.This may result in ground wire wire body and human contact, once there are voltage or circuit that anti-power transmission situation, operation occurs on wire
Person will get an electric shock injury because contacting annealed copper wire, cause casualties.
（2）, in the interior angle of strain rod tower self gravitation can not be leaned on to hang naturally due to this ground wire, so can only
Need operating personnel's hand to hold dop and climb out of strain insulator to be stuck on wire, such personnel not only can be by faradic
Injury, and personal height can occur and fall and dead accident.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of ground connection line method for ultra-high-tension power transmission line and isolated
Earthing tool.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of separated earthing instrument for ultra-high-tension power transmission line, including：Earth lead card, L-shaped screw rod joint, screw socket
Dop, action bars are operated, the screw socket connecting hole with L-shaped screw rod joint screwed connection, L-shaped spiral shell are provided with the earth lead card
The knock-off joint other end is connected with screw socket operation dop；The other end of screw socket operation dop snaps connection with action bars.
A kind of separated earthing instrument for ultra-high-tension power transmission line, the L-shaped screw rod joint are L-shaped structure, L-shaped screw rod
Two of joint is provided with the screw thread silk of screwed connection.
A kind of separated earthing instrument for ultra-high-tension power transmission line, the screw socket operation dop are connected by screwed pipe and dop
Composition is connect, the screwed hole of the screwed pipe is corresponding with two head thread silks of L-shaped screw rod joint, the kelly and action bars of the dop
The neck of one end is corresponding.
A kind of separated earthing instrument for ultra-high-tension power transmission line, the action bars are that the socket of more piece connecting rod is formed,
Neck is provided with the card pipe of described action bars one end, neck is the L-shaped neck on card tube wall.
A kind of ground connection line method for ultra-high-tension power transmission line, its step are as follows：
1）, assembling regulation separated earthing instrument,
（1）One of L-type screw rod joint is screwed in the screw socket connecting hole of earth lead card one side by operating personnel, and presses
According to the operating position where operating personnel, first regulation is hung on the hanging point angle of the screw socket operation dop of high voltage transmission line, then adjusts
The screw head direction of L-type screw rod is saved, is then fastened again；
（2）The other end of L-type screw rod joint is connected by operating personnel with the action bars with screw joint again, is then adjusted
Screw socket operates the operating angle of dop, fixed.
2）, by separated earthing instrument, transmission line of electricity is connected with cross-arm --- ground connection；
Operating personnel on shaft tower, first one end of ground wire is fixedly connected on cross-arm and is grounded；Operating personnel again will
The phase line connection that the other end wire card of ground wire connection is connected with insulator, i.e. action bars operate dop clamping by screw socket
Wire card is in contact with phase line, earth lead card motion, and the clamp of earth lead card clamps the phase line.
Because using above-mentioned technical proposal, the invention has following superiority：
Firstth, in operation, it is only necessary to connect dop with insulating bar, led according still further to hanging to require to rotate using L-type screw rod
Line card head adjusts opening direction, and staff's manipulation operation bar is with regard to that can control dop to be stuck on wire.It is grounded in installing
Operating personnel just will not both contact annealed copper wire in the work of line, without climbing out of insulator, and can also control card head in wire
On hanging point, accomplish " point to where, with regard to ground wire is hung over where " to convenient and swift for operator, and securely and reliably.Especially
It is the operation on the interior angle of anchor support, staff is with regard to that can overcome drainage thread far to be climbed out of absolutely with drainage thread out of plumb from operating point
Edge is difficult in the operation of wire hanging earthing conductor, and staff can strict guarantee in which position of cross arm of tower regardless of station
Inherently safe, safe and efficient installing ground wire.The activity duration is substantially reduced, operating efficiency is improved, alleviates staff
Workload, ensure that the work quality of hanging earthing conductor
Secondth, either low pressure or high pressure, as long as the ground wire with action bars be all ground wire suspension it is good after grasp
Making bar can not separate with ground wire clamp head, can only be suspended on action bars on shaft tower and wire together with ground wire, this is resulted in
How many ground wire is so not only dangerous but also miscellaneous in the long-time interruption maintenance operation of reality with regard to how many action bars on shaft tower
Disorderly without chapter.
And we to install connecting wires of improveing after action bars additional just different, can after staff has installed ground wire
Twist operation bar, action bars is screwed down from dop and departs from job site.As long as so an action bars is more with regard to that can hang
Piece-root grafting ground wire, more action bars are saved, greatly reduce the live load of staff, and action bars is recycled and allowed
Nothing, which is left, on tower does not break rules and regulations.Freely dismantling for action bars not only facilitated, quick but also actual effect, and safety not only！
Brief description of the drawings
Fig. 1 is the structural representation of ultra-high-tension power transmission line separated earthing instrument；
Fig. 2 is the schematic diagram that separated earthing instrument is used for straight-bar ultra-high-tension power transmission line grounding connection；
Fig. 3 is the schematic diagram that separated earthing instrument is used for anchor support ultra-high-tension power transmission line grounding connection；
In figure：1st, screw socket operation dop；2nd, L-shaped screw rod joint；3rd, screw socket connecting hole；4th, earth lead card；5th, action bars；
6th, phase line；7th, it is grounded；8th, insulator；9th, cross-arm；10th, shaft tower；11st, drainage thread.
Embodiment
With reference to shown in Fig. 1,2,3, a kind of ground connection line method for ultra-high-tension power transmission line, its step is as follows：
1st, assembling regulation separated earthing instrument,
1）One of L-type screw rod joint 2 is screwed in the screw socket connecting hole 3 of the one side of earth lead card 4 by operating personnel, and
According to the operating position where operating personnel, first regulation is hung on the hanging point angle of the screw socket operation dop 1 of high voltage transmission line, then
The screw head direction of L-type screw rod is adjusted, is then fastened again；
2）The other end of L-type screw rod joint 2 is connected by operating personnel with the action bars 5 with screw joint again, is then adjusted
The operating angle of whole screw socket operation dop 1, it is fixed.
2nd, by separated earthing instrument, transmission line of electricity is made to be connected with cross-arm --- ground connection；
Operating personnel on shaft tower 10, first the one end for being grounded 7 is fixedly connected on cross-arm 9 and is grounded；Operating personnel
The phase line 6 that the other end wire card 4 for being grounded 7 connections is connected with insulator 8 is connected again, i.e., action bars 5 is operated by screw socket
The wire card 4 of the clamping of dop 1 is in contact with phase line, and earth lead card 4 acts, and the clamp of earth lead card 4 clamps the phase line；
A kind of separated earthing instrument for ultra-high-tension power transmission line, including：Earth lead card 4, L-shaped screw rod joint 2, spiral shell
Mouth operates dop 1, action bars 5, and the screw socket connecting hole with the screwed connection of L-shaped screw rod joint 2 is provided with the earth lead card 4
3, the other end of L-shaped screw rod joint 2 is connected with screw socket operation dop 1；The other end of screw socket operation dop 1 connects with the buckle of action bars 5
Connect.
The L-shaped screw rod joint 2 is L-shaped structure, and two of L-shaped screw rod joint 2 is provided with the screw thread silk of screwed connection.
The screw socket operation dop 1 is connected and composed by screwed pipe and dop, and screwed hole and the L-shaped screw rod of the screwed pipe connect
First 2 two head thread silks are corresponding, and the kelly of the dop is corresponding with the neck of the one end of action bars 5.
The action bars 5 is that the socket of more piece connecting rod is formed, and is provided with neck on the card pipe of described one end of action bars 5, blocks
Groove is the L-shaped neck on card tube wall.
The present invention is according to existing 2 work defects, and the suspension type ground wire of script is improved.It is being grounded
The L-type screw rod joint 2 for being additionally arranged at the bottom two silk rolling of wire card 4, then the secondary screw socket operation dop 1 of more equipments one and termination band
There is the action bars 5 of the insulation of screw joint.
During work, as long as the screw socket that one of L-type screw rod joint 2 is screwed in the one side of ground wire wire card 4 by operating personnel connects
Connect in hole 3, and the hanging point angle for needing to hang according to the operating position where staff and dop connects to adjust L-type screw rod
Fastened behind first 2 screw head direction, then the action bars 5 with screw joint is connected with the other end of L-type screw rod, then
The operating angle for adjusting dop is fixed.
The present invention can be carried out according to the hanging point that position of the staff on shaft tower and ground wire wire card 4 need to hang
The change of multi-angle, it disclosure satisfy that on shaft tower and various hang requirement.
Claims (3)
1. a kind of separated earthing instrument for ultra-high-tension power transmission line, including：Earth lead card（4）, screw socket operation dop
（1）, action bars（5）, it is characterised in that：Also include L-shaped screw rod joint（2）, the earth lead card（4）On be provided with and L-shaped
Screw rod joint（2）The screw socket connecting hole of screwed connection（3）, L-shaped screw rod joint（2）The other end and screw socket operation dop（1）It is connected；
Screw socket operates dop（1）The other end and action bars（5）Snap connection；
The L-shaped screw rod joint（2）For L-shaped structure, L-shaped screw rod joint（2）Two be provided with the screw thread silk of screwed connection；Institute
State screw socket operation dop（1）Connected and composed by screwed pipe and dop, screwed hole and the L-shaped screw rod joint of the screwed pipe（2）'s
Two head thread silks are corresponding, the kelly and action bars of the dop（5）The neck of one end is corresponding.
A kind of 2. separated earthing instrument for ultra-high-tension power transmission line according to claim 1, it is characterised in that：It is described
Action bars（5）It is socketed and forms for more piece connecting rod, the action bars（5）Neck is provided with the card pipe of one end, neck is managed for card
L-shaped neck on wall.
3. implementing a kind of ground connection line method for ultra-high-tension power transmission line of separated earthing instrument described in claim 1, it is walked
It is rapid as follows：
1）, assembling regulation separated earthing instrument,
（1）Operating personnel is by L-type screw rod joint（2）One be screwed in earth lead card（4）The screw socket connecting hole of one side（3）In,
And according to the operating position where operating personnel, first regulation is hung on the screw socket operation dop of high voltage transmission line（1）Hanging point
Angle, then the screw head direction of L-type screw rod is adjusted, then fastened again；
（2）Operating personnel is again by L-type screw rod joint（2）Other end with screw joint action bars（5）Connection, is then adjusted
Whole screw socket operates dop（1）Operating angle, it is fixed；
2）, by separated earthing instrument, transmission line of electricity is connected with cross-arm --- ground connection；
In shaft tower（10）On operating personnel, first will ground wire（7）One end be fixedly connected on cross-arm（9）Upper ground connection；Operation people
Member again will ground wire（7）The other end wire card of connection（4）With insulator（8）The phase line of connection（6）Connection, i.e. action bars（5）
Dop is operated by screw socket（1）The wire card of clamping（4）It is in contact with phase line, earth lead card（4）Action, earth lead card
（4）Clamp the phase line is clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210522522.9A CN103066526B (en) | 2012-12-07 | 2012-12-07 | A kind of ground connection line method and separated earthing instrument for ultra-high-tension power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210522522.9A CN103066526B (en) | 2012-12-07 | 2012-12-07 | A kind of ground connection line method and separated earthing instrument for ultra-high-tension power transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN103066526A CN103066526A (en) | 2013-04-24 |
| CN103066526B true CN103066526B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210522522.9A Active CN103066526B (en) | 2012-12-07 | 2012-12-07 | A kind of ground connection line method and separated earthing instrument for ultra-high-tension power transmission line |
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|---|---|---|---|---|
| CN105356092A (en) * | 2015-11-23 | 2016-02-24 | 国家电网公司 | Plug-in ground wire device having distance measuring function |
| CN105429064B (en) * | 2015-12-16 | 2018-04-06 | 国网福建省电力有限公司 | Spaghetti |
| CN106299764B (en) * | 2016-10-27 | 2018-11-30 | 国网浙江省电力公司绍兴供电公司 | A kind of wired earth wire clamp with double hanging wire modes |
| CN106684586A (en) * | 2017-03-13 | 2017-05-17 | 国网冀北电力有限公司迁西县供电分公司 | Structure capable of reducing grounding resistance and installation method of structure |
| CN110829337B (en) * | 2019-11-29 | 2024-05-31 | 国网福建省电力有限公司厦门供电公司 | Grounding device and grounding method for power transmission line externally hung on unmanned aerial vehicle |
| CN112290240B (en) * | 2020-10-15 | 2022-06-07 | 贵州电网有限责任公司 | Universal installation equipment convenient for installing grounding wire and use method thereof |
| CN112259976A (en) * | 2020-10-16 | 2021-01-22 | 国网山东省电力公司潍坊供电公司 | Grounding wire hanging tool with self-checking function |
| CN114039227B (en) * | 2021-11-09 | 2024-04-12 | 贵州电网有限责任公司 | Combined assembled grounding wire |
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| CN202474239U (en) * | 2012-03-14 | 2012-10-03 | 山东电力集团公司枣庄供电公司 | Grounding wire clamp |
Family Cites Families (2)
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| JP3176777B2 (en) * | 1993-07-29 | 2001-06-18 | 旭テック株式会社 | Ground mounting bracket for long trunk insulator device |
| CN201112602Y (en) * | 2007-10-11 | 2008-09-10 | 上海千驰电力设备有限公司 | Grounding wire clamp operation bar with oscillating pincers head |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201387943Y (en) * | 2009-03-06 | 2010-01-20 | 辽宁省电力有限公司盘锦供电公司 | Prediction type sensing ground wire |
| CN201623268U (en) * | 2010-04-07 | 2010-11-03 | 辽宁省电力有限公司锦州供电公司 | Transmission line tower grounding wire device and hooking tool thereof |
| CN202444206U (en) * | 2012-03-05 | 2012-09-19 | 饶阳县电力局 | Wire clamp for grounding wire |
| CN202474239U (en) * | 2012-03-14 | 2012-10-03 | 山东电力集团公司枣庄供电公司 | Grounding wire clamp |
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| CN103066526A (en) | 2013-04-24 |
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