CN103872621B - A kind of earth potential method charged changing tension-resisting insulator fixture and operational method - Google Patents
A kind of earth potential method charged changing tension-resisting insulator fixture and operational method Download PDFInfo
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- CN103872621B CN103872621B CN201410085733.XA CN201410085733A CN103872621B CN 103872621 B CN103872621 B CN 103872621B CN 201410085733 A CN201410085733 A CN 201410085733A CN 103872621 B CN103872621 B CN 103872621B
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- 239000012212 insulator Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000012211 strain insulator Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
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Abstract
A kind of earth potential method charged changing tension-resisting insulator fixture, include left and right two link plate clamping tools being respectively used to connect two ends yoke plate, an assembly pulley and one group of yoke plate clamp joint being removably connected in mounting seat that left and right link plate clamping tool by a mounting seat, is installed in mounting seat are constituted, left and right two link plate clamping tools are connected by the high strength cord being wound between two assembly pulleys, high strength cord one end is fixed on a link plate clamping tool, and the other end is as operating free end.The fixture of the present invention and operational method, simple and quick, the working strength of operating personnel can be reduced, improve work efficiency, reduce the activity duration, and the suitability is good, can fulfil assignment efficiently and safely on the premise of ensureing operating personnel's safety, both ensure that the safe operation of electrical network, can reduce simultaneously and stop power transmission operational ton and the change of whole power system operating mode, substantially increase safe operation of electric network reliability, and there is significant economic benefit.
Description
Technical field
The present invention relates to electrical network and hot line maintenance technical field, particularly a kind of earth potential method charged for replacement
Strain insulator string fixture and operational method.
Background technology
Along with socioeconomic development, society is increasing for the demand of electric power, promotes electrical network scale constantly to expand,
Aerial line transmission is as the main body mode of current power transmission, and line size the most constantly increases, wire type also with
Increasing, various gold utensils are various, composite insulator length differs, and the operation fixture originally used can not be expired
The current diversified job requirements of foot.Cannot process if the most charged, it would be desirable to the more power failure operation time,
That will cause huge economic loss and social effect.In order to alleviate this type of contradiction, it is badly in need of a class and is suitable for difference
Job requirements, the light instrument carrying out livewire work.
There is some problems in charged changing tension-resisting insulator at present.Recently as requiring constantly carrying of transmission capacity
Height, the line conductor model of operation wire type the most in early days；The yoke plate that circuit uses in early days mostly is triangle connection
Plate, and present yoke plate has corner holes, hole, corner four, corner elliptical aperture equal-specification；The thickness of existing gold utensil
More diversified, it is not quite similar from the thickness of 12mm～24mm.Line hardware, yoke plate and the wire put into operation for many years
Model is all much larger than circuit in early days, and therefore, the operation fixture changing strain insulator originally can not meet
The requirement that line insulator is changed now, many operations cannot be carried out.Meanwhile, during equipotential live line work, conventional people
Member's isoelectric level method, due to the reason that space length is not enough, uses old fixture cannot be applicable to current novel
Shaft tower.
Summary of the invention
The main object of the present invention is the shortcoming overcoming prior art, it is provided that a kind of simple and quick, it is possible to decrease to make
The working strength of industry personnel, improves work efficiency, and the suitability is good, and safe and reliable earth potential method charged for replacement is resistance to
Open insulator chain fixture and operational method.
The present invention adopts the following technical scheme that
A kind of earth potential method charged changing tension-resisting insulator fixture, includes and is respectively used to connect two ends yoke plate
Left and right two link plate clamping tools, an assembly pulley that left and right link plate clamping tool by a mounting seat, is installed in mounting seat and
The yoke plate clamp joint that one group is removably connected in mounting seat is constituted, and left and right two link plate clamping tools are sliding by being wound in two
High strength cord between wheels connects, and high strength cord one end is fixed on a link plate clamping tool, and the other end is as behaviour
Make free end.
Further, also include one to be fixed on cross-arm for changing action direction to realize the insulation of terrestrial operation
Fixed pulley, the operating free end of described high strength cord walks around this insulation fixed pulley.
Further, described yoke plate clamp joint one end offers connecting hole for connecting mounting seat, and the other end is formed can
Yoke plate is folded in double plate structure therebetween, and often group yoke plate clamp joint includes and can coordinate with different model yoke plate
Plurality of specifications.
Further, two clamping plate of described yoke plate clamp joint offer the pin that fixing hole intrinsic with on yoke plate matches
Hole, can be locked yoke plate clamp joint with yoke plate by movable latch.
Further, the self-locking mechanism cooperated it is formed with between described pin-and-hole and movable latch, in described pin-and-hole
It is provided with a circular protrusions, movable latch is formed a L-shaped guide groove matched with described circular protrusions, circular
Projection can pass right through L-shaped guide groove and can walk along L-shaped guide groove.
Further, described mounting seat one end is formed and yoke plate clamp connector clamp can be placed in double plate structure therebetween, and two
Offer connecting hole on clamping plate, can be connected fixing to mounting seat and yoke plate clamp joint by securing member；Mounting seat another
End is perpendicular to yoke plate direction and arranges, and upper/lower terminal is formed for installing the double plate structure of assembly pulley, and upper and lower two
End is respectively provided with a pulley by a bearing pin.
Further, described mounting seat is further opened with the rope fastening hole for fixing high strength cord one end.
A kind of charged changing tension-resisting insulator operational method, comprises the following steps:
1. fixture is assembled；Yoke plate model according to operation selects the yoke plate clamp joint adaptive with this yoke plate, and assembles
Left and right link plate clamping tool；
2. fixture is installed between the yoke plate of two ends；Left and right link plate clamping tool is connected on the yoke plate of two ends, and
High strength cord is set around between two assembly pulleys of left and right link plate clamping tool, and walks around insulation fixed pulley；
3. tighten up assembly pulley, unclamp insulator chain；By the operating free end of tension high strength cord to tighten up pulley
Group, makes wire be in the state of tightening up, and then unclamps insulator chain；
4. change insulator chain, and recover assembly pulley, remove fixture；After having changed insulator chain, unclamp high intensity
Rope, can recover assembly pulley, then remove fixture of the present invention, i.e. complete earth potential method hot-line insulator string replacement
Operation.
From the above-mentioned description of this invention, compared with prior art, there is advantages that
1. all use between each parts of device and removably connect, disassembled for transport can be realized, assemble use, convenient and practical；
2. link plate clamping tool is removably connected with yoke plate clamp joint by mounting seat and constitutes, and can select according to the yoke plate of different model
With the yoke plate clamp joint of different size.Go to relatively complex environment when carrying out operation, only need to carry a set of fixture, and root
The yoke plate clamp joint of correspondence is carried according to required yoke plate model, more portable, time saving and energy saving；
The most left and right link plate clamping tool is connected with high strength cord by assembly pulley, and application movable pulley principle can subtract
The manipulation strength of stringing lead, and rope less is not limited by a space, and considerably increases the flexible of instrument installation length
Property, widen the scope of application of instrument, be allowed to be suitable for the replacing insulator livewire work of various different length.It addition,
Utilize insulation fixed pulley, the operation of stringing lead is transferred to ground from high-altitude, working performance can be improved, reduce peace
Full blast danger；
4. it is formed with the self-locking mechanism cooperated between pin-and-hole and movable latch, designs ingenious, use simple and convenient,
And can effectively lock；
In a word, the present invention is simple and quick, it is possible to decrease the working strength of operating personnel, improves work efficiency, subtracts
Few activity duration, and the suitability is good, can complete efficiently and safely to make on the premise of ensureing operating personnel's safety
Industry, both ensure that the safe operation of electrical network, can reduce simultaneously and stop changing of power transmission operational ton and whole power system operating mode
Become, substantially increase safe operation of electric network reliability, and there is significant economic benefit.
Accompanying drawing explanation
Fig. 1 is the mounting structure side view of the specific embodiment of the invention；
Fig. 2 is link plate clamping tool and the yoke plate attachment structure top view of the specific embodiment of the invention；
Fig. 3 is the side block diagram of the link plate clamping tool of the specific embodiment of the invention；
Fig. 4 is the structural representation of the self-locking mechanism of the specific embodiment of the invention.
In figure: 1. yoke plate, the most left link plate clamping tool, the rightest link plate clamping tool, 4. mounting seat, 5. yoke plate clamp joint, 6.
High strength cord, 7. insulation fixed pulley, 8. pin-and-hole, 80. circular protrusions, 9. movable latch, 90.L shape guide groove,
10. bearing pin, 11. pulleys, 12. rope fastening hole.
Detailed description of the invention
Below by way of detailed description of the invention, the invention will be further described.
Reference Fig. 1, Fig. 2 and Fig. 3, a kind of earth potential method charged changing tension-resisting insulator fixture of the present invention,
Include the left link plate clamping tool 2 and right link plate clamping tool 3, left link plate clamping tool 2 He being respectively used to connect two ends yoke plate 1
An assembly pulley that right link plate clamping tool 3 by a mounting seat 4, is installed in mounting seat 4 and one group are removably connected to
Yoke plate clamp joint 5 in mounting seat 4 is constituted, and left link plate clamping tool 2 and right link plate clamping tool 3 are by being wound in two pulleys
High strength cord 6 between group connects, and high strength cord 6 one end is fixed on a link plate clamping tool, other end conduct
Operating free end.Also include one to be fixed on cross-arm for changing action direction to realize the insulation of terrestrial operation calmly
Pulley 7, the operating free end of described high strength cord 6 walks around this insulation fixed pulley 7.
Described yoke plate clamp joint 5 one end offers connecting hole for connecting mounting seat 4, and the other end is formed can be by yoke plate
1 is folded in double plate structure therebetween, and often group yoke plate clamp joint 5 includes and can coordinate with different model yoke plate 1
Plurality of specifications.The pin matched with intrinsic fixing hole on yoke plate 1 is offered on two clamping plate of described yoke plate clamp joint 5
Hole 8, can be locked yoke plate clamp joint 5 with yoke plate 1 by movable latch 9.
Described mounting seat 4 one end forms the double plate structure can being folded in by yoke plate clamp joint 5 therebetween, on two clamping plate
Offer connecting hole, can be connected fixing with yoke plate clamp joint 5 for mounting seat 4 by securing member；Mounting seat 4 another
End is perpendicular to yoke plate 1 direction and arranges, and upper/lower terminal forms the double plate structure for installing assembly pulley, upper and lower
Two ends are respectively provided with a pulley 11 by a bearing pin 10.It is further opened with for fixing high intensity in described mounting seat 4
The rope fastening hole 12 of rope 6 one end.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, it is formed between described pin-and-hole 8 and movable latch 9 and cooperates
Self-locking mechanism, described pin-and-hole 8 is provided with a circular protrusions 80, movable latch 9 is formed with one with described
The L-shaped guide groove 90 that circular protrusions 80 matches, circular protrusions 80 can pass right through L-shaped guide groove 90 can be along L
Shape guide groove 90 is walked.Movable latch 9 pushes rotation be and lock, i.e. L-shaped guide groove 90 passes through circular protrusions
The walking of 80 completes to lock；Otherwise, by movable latch 9 rotate extract be out of stock.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention carries out earth potential method charged for replacement 220KV insulator chain
During operation, comprise the following steps:
1. fixture is assembled；Yoke plate 1 model according to operation selects the yoke plate clamp joint 5 with this yoke plate 1 adaptation, and
Assemble left and right link plate clamping tool；
2. fixture is installed between two ends yoke plate 1；Left and right link plate clamping tool is connected to two ends yoke plate 1
On, and high strength cord 6 is set around between two assembly pulleys of left and right link plate clamping tool, and walk around insulation fixed pulley
7；
3. tighten up assembly pulley, unclamp insulator chain；By the operating free end of tension high strength cord 6 to tighten up cunning
Wheels, make wire be in the state of tightening up, and then unclamp insulator chain；
4. change insulator chain, and recover assembly pulley, remove fixture；After having changed insulator chain, unclamp high intensity
Rope 6, can recover assembly pulley, then remove fixture of the present invention, i.e. complete earth potential method replacing insulator under electrified
String operation.
Above are only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, all
Utilize this design that the present invention carries out the change of unsubstantiality, the behavior invading scope all should be belonged to.
Claims (6)
1. an earth potential method charged changing tension-resisting insulator fixture, it is characterised in that: include and use respectively
In connecting left and right two link plate clamping tools of two ends yoke plates, left and right link plate clamping tool by a mounting seat, be installed on installation
An assembly pulley and one group of yoke plate clamp joint being removably connected in mounting seat on seat are constituted, left and right two yoke plate clamps
Having the high strength cord by being wound between two assembly pulleys to connect, a link plate clamping tool is fixed in high strength cord one end
On, the other end is as operating free end, and described yoke plate clamp joint one end offers connecting hole for connecting mounting seat,
The other end is formed and yoke plate can be folded in double plate structure therebetween, and often include can be with different shaped for group yoke plate clamp joint
The plurality of specifications that number yoke plate coordinates, described mounting seat one end forms the double plate can being placed in by yoke plate clamp connector clamp therebetween
Structure, two clamping plate offer connecting hole, can be connected fixing to mounting seat and yoke plate clamp joint by securing member；Peace
The dress seat other end is perpendicular to yoke plate direction and arranges, and upper/lower terminal forms the double plate structure for installing assembly pulley,
Upper/lower terminal is respectively provided with a pulley by a bearing pin.
2. a kind of earth potential method charged changing tension-resisting insulator fixture as claimed in claim 1, its feature
It is: also include one and be fixed on cross-arm for changing action direction to realize the insulation fixed pulley of terrestrial operation,
The operating free end of described high strength cord walks around this insulation fixed pulley.
3. a kind of earth potential method charged changing tension-resisting insulator fixture as claimed in claim 1, its feature
It is: offer the pin-and-hole that fixing hole intrinsic with on yoke plate matches on two clamping plate of described yoke plate clamp joint, can lead to
Cross movable latch to be locked with yoke plate by yoke plate clamp joint.
4. a kind of earth potential method charged changing tension-resisting insulator fixture as claimed in claim 3, its feature
It is: be formed with the self-locking mechanism cooperated between described pin-and-hole and movable latch, described pin-and-hole is provided with one
Circular protrusions, movable latch is formed a L-shaped guide groove matched with described circular protrusions, and circular protrusions can be firm
Get well by L-shaped guide groove and can walk along L-shaped guide groove.
5. a kind of earth potential method charged changing tension-resisting insulator fixture as claimed in claim 1, its feature
It is: in described mounting seat, be further opened with the rope fastening hole for fixing high strength cord one end.
6. one kind based on the arbitrary described earth potential method charged changing tension-resisting insulator card of claim 1 to 5
The charged changing tension-resisting insulator operational method of tool, it is characterised in that: comprise the following steps:
1. fixture is assembled；Yoke plate model according to operation selects the yoke plate clamp joint adaptive with this yoke plate, and assembles
Left and right link plate clamping tool；
2. fixture is installed between the yoke plate of two ends；Left and right link plate clamping tool is connected on the yoke plate of two ends, and
High strength cord is set around between two assembly pulleys of left and right link plate clamping tool, and walks around insulation fixed pulley；
3. tighten up assembly pulley, unclamp insulator chain；By the operating free end of tension high strength cord to tighten up pulley
Group, makes wire be in the state of tightening up, and then unclamps insulator chain；
4. change insulator chain, and recover assembly pulley, remove fixture；After having changed insulator chain, unclamp high intensity
Rope, can recover assembly pulley, then remove fixture of the present invention, i.e. complete earth potential method hot-line insulator string replacement
Operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085733.XA CN103872621B (en) | 2014-03-10 | 2014-03-10 | A kind of earth potential method charged changing tension-resisting insulator fixture and operational method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085733.XA CN103872621B (en) | 2014-03-10 | 2014-03-10 | A kind of earth potential method charged changing tension-resisting insulator fixture and operational method |
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| Publication Number | Publication Date |
|---|---|
| CN103872621A CN103872621A (en) | 2014-06-18 |
| CN103872621B true CN103872621B (en) | 2016-08-24 |
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| CN201410085733.XA Active CN103872621B (en) | 2014-03-10 | 2014-03-10 | A kind of earth potential method charged changing tension-resisting insulator fixture and operational method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104283146B (en) * | 2014-07-07 | 2017-01-04 | 中国南方电网有限责任公司超高压输电公司南宁局 | A kind of device and method changing insulator chain |
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| CN101820144A (en) * | 2010-03-26 | 2010-09-01 | 福建省电力有限公司莆田电业局 | Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire |
| JP2011010495A (en) * | 2009-06-26 | 2011-01-13 | Tokyo Electric Power Co Inc:The | Method for replacing support bolt of insulator string for power transmission, and fittings used therefor |
| CN202050191U (en) * | 2011-05-03 | 2011-11-23 | 刘治勇 | Clamp for changing strain insulator string |
| CN102882153A (en) * | 2012-08-30 | 2013-01-16 | 国家电网公司 | Multi-return tower middle-phase insulator string replacement method for electrified replacement circuit |
| CN202797769U (en) * | 2012-09-14 | 2013-03-13 | 国家电网公司 | Tool for live replacement of insulator on portal pole side phase of 110kV line |
| CN202872263U (en) * | 2012-11-14 | 2013-04-10 | 湖南省电力公司长沙电业局 | Tool charged for replacing double strings of insulators of double bundle conductors of straight line pole |
| CN203747302U (en) * | 2014-03-10 | 2014-07-30 | 国家电网公司 | Clamping fixture for live-line replacement of dead-end insulator string by use of ground potential method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202014054U (en) * | 2010-12-28 | 2011-10-19 | 河北省电力公司超高压输变电分公司 | Overhaul tool for dead end insulator on +/- 660kV DC power transmission line |
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2014
- 2014-03-10 CN CN201410085733.XA patent/CN103872621B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011010495A (en) * | 2009-06-26 | 2011-01-13 | Tokyo Electric Power Co Inc:The | Method for replacing support bolt of insulator string for power transmission, and fittings used therefor |
| CN101820144A (en) * | 2010-03-26 | 2010-09-01 | 福建省电力有限公司莆田电业局 | Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire |
| CN202050191U (en) * | 2011-05-03 | 2011-11-23 | 刘治勇 | Clamp for changing strain insulator string |
| CN102882153A (en) * | 2012-08-30 | 2013-01-16 | 国家电网公司 | Multi-return tower middle-phase insulator string replacement method for electrified replacement circuit |
| CN202797769U (en) * | 2012-09-14 | 2013-03-13 | 国家电网公司 | Tool for live replacement of insulator on portal pole side phase of 110kV line |
| CN202872263U (en) * | 2012-11-14 | 2013-04-10 | 湖南省电力公司长沙电业局 | Tool charged for replacing double strings of insulators of double bundle conductors of straight line pole |
| CN203747302U (en) * | 2014-03-10 | 2014-07-30 | 国家电网公司 | Clamping fixture for live-line replacement of dead-end insulator string by use of ground potential method |
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| CN103872621A (en) | 2014-06-18 |
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