CN103368104B - The insulating bar of earth potential working non-bearing connecting clip - Google Patents
The insulating bar of earth potential working non-bearing connecting clip Download PDFInfo
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- CN103368104B CN103368104B CN201310320004.3A CN201310320004A CN103368104B CN 103368104 B CN103368104 B CN 103368104B CN 201310320004 A CN201310320004 A CN 201310320004A CN 103368104 B CN103368104 B CN 103368104B
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- rod
- sleeve
- adapter sleeve
- earth potential
- bearing connecting
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- 238000009413 insulation Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The present invention provides the insulating bar of a kind of earth potential working non-bearing connecting clip, including the body of rod, back-up ring, insulation sleeve, afterburning handle, adapter sleeve, set pin and grafting spindle nose；The body of rod is the strip column member of hollow；Back-up ring is torus part；Back-up ring socket is fixedly mounted on the lower end outer wall of the body of rod；Insulation sleeve is the column member of hollow；Insulation sleeve is socketed in the bottom of the body of rod；Afterburning handle is elongated circular body of rod part；Afterburning handle is horizontally through the body of rod and is fixed on the body of rod, and is positioned at insulation sleeve and is positioned at the upper end of insulation sleeve；Grafting spindle nose is fixedly mounted on adapter sleeve by set pin；Adapter sleeve is fixed on body of rod upper end.Present configuration is simple, and cost is relatively low, easy to operate；Using the present invention can install or remove earth potential working non-bearing connecting clip conveniently and efficiently when not having a power failure, time saving and energy saving, work efficiency is high and can be prevented effectively from because of the unnecessary loss brought to economic and society that has a power failure.
Description
Technical field
The present invention relates to the supporting erecting device of the connecting clip of power taking in overhead distribution, be specifically related to a kind of use
Insulating bar in charged installation with dismounting earth potential working non-bearing connecting clip.
Background technology
Earth potential working non-bearing connecting clip is the charged of the drainage threads such as a kind of overhead distribution branch, disconnecting link, switch
Lap device.At present the parallel groove clamp of common use on distribution line, pacify general wire clamp, c-type wire clamp, insulation puncture line clamping
When research and development and do not take into account the demand of livewire work Deng non-bearing connecting clip, thus be required to power failure when it is installed and execute
Work, and the frequent power cut construction of distribution line can not meet user to the highest the wanting of the quality of power supply and power supply reliability
Ask, bring unnecessary loss to economy, social development.Above-mentioned wire clamp if desired uses earth potential insulating bar operation,
Then must research and develop specific purpose tool targetedly temporarily, and specific purpose tool limitation of these research and development temporarily are big, activity duration length,
Task difficulty is big, thus is difficult to be promoted.At present, along with the raising of insulating protection technical merit, use insulation bucket arm
Car and insulating glove direct maintenance carry out relevant operation, but the working environment such as road, ground is required relatively by this working system
Higher, the place that can not arrive such as insulation bucket arm vehicle then cannot use which to complete construction.
Summary of the invention
It is an object of the invention to: overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, cost be relatively low, easy to use,
The insulating bar of hot line job can be carried out by above earth potential operation non-bearing connecting clip.
The technical scheme is that the insulating bar of the earth potential working non-bearing connecting clip of the present invention, its structure
Feature is: include the body of rod, back-up ring, insulation sleeve, afterburning handle, adapter sleeve, set pin and grafting spindle nose；
The above-mentioned body of rod is the strip column member of hollow；Back-up ring is torus part；Back-up ring socket is fixedly mounted on the body of rod
Lower end outer wall on；Insulation sleeve is the column member of hollow；Insulation sleeve is socketed in the bottom of the body of rod；Afterburning handle is elongated
Circular body of rod part；Afterburning handle is horizontally through the body of rod and is fixed on the body of rod, and is positioned at insulation sleeve and is positioned at the upper of insulation sleeve
End；Adapter sleeve includes lower body and the upper sleeve body one integrally connected；The cylinder that lower body is hollow of adapter sleeve, its
Internal diameter adapts with the external diameter of the body of rod；The upper sleeve body of adapter sleeve is the cylinder of hollow, and its external diameter is less than the external diameter of the body of rod；
Be arranged with on the upper sleeve body of adapter sleeve as install connecting hole left and right to 2 through holes；Adapter sleeve is by its lower body set
Connect and be fixed on the upper end of the body of rod；Set pin is round bar shape part；Grafting spindle nose is round bar shape part；The lower end of grafting spindle nose sets
There is left and right to through installing hole；Grafting spindle nose is fixedly mounted on the upper sleeve body of adapter sleeve by set pin.
Further scheme is: the above-mentioned body of rod and the material of back-up ring are insulating glass steel；The material of insulation sleeve is rubber；
The material of afterburning handle, adapter sleeve, set pin and grafting spindle nose is carbon junction steel.
The present invention has a positive effect: the insulating bar of the earth potential working non-bearing connecting clip of (1) present invention,
Simple in construction, cost is relatively low, easy to operate.(2) the insulation operation of the earth potential working non-bearing connecting clip of the present invention
Bar, can by workmen on electric pole earth potential, do not have a power failure install or remove earth potential working conveniently and efficiently
Non-bearing connecting clip, time saving and energy saving, work efficiency is high, and can be prevented effectively from the economy and society brought because of power cut construction
Unnecessary loss.
Accompanying drawing explanation
The perspective view of the earth potential working non-bearing connecting clip that Fig. 1 is applied by the present invention；
Fig. 2 is the perspective view of the wire clip body in Fig. 1；
Fig. 3 is the perspective view of the bus pressing plate in Fig. 1；
Fig. 4 is the structural representation of the present invention；
Fig. 5 is the flow chart utilizing construction method that the present invention installs earth potential working non-bearing connecting clip；
Fig. 6 is the flow chart utilizing construction method that the present invention dismantles earth potential working non-bearing connecting clip.
Reference in above-mentioned accompanying drawing is as follows:
Wire clip body 1, drainage thread installation portion 11, drainage thread pressing plate connecting portion 12, bolt hole 12-1, middle interconnecting piece
13, square breach 13-1, bus holding portion 14, main body curved portions 14-1, abduction curved portions 14-2, connect otic placode 15,
Connect through hole 15-1,
Drainage thread pressing plate 2, arcuate projection 21,
Bolt connection assembly 3, bolt 31, spring washer 32, nut 33,
Bus bar part 4, fastens main part 41, positions plate washer 42, and be in transmission connection plate 43, bolt hole 43-1,
Drive screw rod 5, pedestal 51, sleeve joint hole 51-1, by groove 51-2, screw drive post 52 be installed,
Guide pin bushing 6,
Sliding sleeve 7,
Pivot pin 8,
Insulating bar 9, the body of rod 91, back-up ring 92, insulation sleeve 93, afterburning handle 94, adapter sleeve 95, overlap pin 96,
Grafting axle 97.
Detailed description of the invention
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
(embodiment 1)
The insulating bar of the earth potential working non-bearing connecting clip of the present embodiment, for the earth potential working supporting with it
The installation of non-bearing connecting clip.
Seeing Fig. 1 to Fig. 3, earth potential working non-bearing connecting clip is mainly by wire clip body 1, drainage thread pressing plate 2, bolt
Connect assembly 3, bus bar part 4, drive screw rod 5, guide pin bushing 6, sliding sleeve 7 and pivot pin 8 to form.
Seeing Fig. 2, wire clip body 1 is aluminium alloy integral piece.Wire clip body 1 is by drainage thread installation portion 11, drainage thread pressure
Plate connecting portion 12, middle interconnecting piece 13, bus holding portion 14 and connection otic placode 15 one composition.
Drainage thread installation portion 11 is curved plate body part prominent downwards.Drainage thread pressing plate connecting portion 12 sets for level
The rectangle plate body part put, is provided with 2 through manholes of upward and downward before and after drainage thread pressing plate connecting portion 12 points,
As the bolt hole 12-1 installed.Middle interconnecting piece 13 is the vertical rectangular plate body part to setting, and centre connects
The centre position meeting portion 13 is provided with the square breach 13-1 of hollow out.Bus holding portion 14 is by the main body curved portions integrally connected
14-1 and abduction curved portions 14-2 composition.Main body curved portions 14-1 in bus holding portion 14 be highlight upward in arc
The plate body part of shape；Abduction curved portions 14-2 is the arc plate body part highlighted to the right；Main body curved portions 14-1 is left by it
Lower end is that streamlined one is connected with the upper right side of abduction curved portions 14-2.Connecting otic placode 15 is square plate body part, connects
The centre position of otic placode 15 is provided with 1 through circle of upward and downward and passes through, as connecting through hole 15-1.
The drainage thread installation portion 11 of wire clip body 1 is integrally connected by the bottom righthand side of its left upper end with drainage thread pressing plate connecting portion 12
Connect；The upper right side of drainage thread installation portion 11 is connected with the lower end one of middle interconnecting piece 13；Middle interconnecting piece 13 upper
Hold the bottom righthand side with bus holding portion 14 and be connected the left end one connection of otic placode 15.Thus the wire clamp master being integrally formed
Body 1.
Still see the plate body part that the entirety that Fig. 1, drainage thread pressing plate 2 are aluminium alloy is square；The right side of drainage thread pressing plate 2
Lower section is provided with an arcuate projection 21, and the drainage thread installation portion of the radius of this arcuate projection 21 and wire clip body 1
The radius of the arc of 11 adapts.Drainage thread pressing plate 2 is provided with 2 and installs bolt hole, installs bolt hole and line for these 2
2 bolt hole 12-1 on the drainage thread pressing plate connecting portion 12 of clip main body 1 are corresponding, are used for installing cooperation.
Bolt connection assembly 3 is made up of bolt 31, spring washer 32 and nut 33.Bolt 31, spring washer 32 and
Nut 33 is respectively provided with 2 sets respectively.
Seeing Fig. 3, bus bar part 4 is aluminium alloy integral piece.Bus bar part 4 is by fastening main part 41, positioning
Plate 42 and the plate 43 one composition that is in transmission connection.Fastening main part 41 global shape is sagittal cuboid, its upper end
It is provided with arc notch recessed down.Location plate washer 42 global shape be left and right to rectangle plate body part；Location plate washer
About 42 to length more than fastening main part 41 left and right to width；The height of location plate washer 42 upward and downward is more than tight
Gu the height of the upward and downward of main part 41；The upper end of location plate washer 42 is provided with arc notch recessed down, and this arc lacks
Mouth is positioned in same level with the lower end of the arc notch of fastening main part 41.It is identical that location plate washer 42 is provided with structure
2 pieces, these 2 pieces location plate washers 42 are respectively arranged on and fasten two ends before and after main part 41, and with fastening main part 41 integrally
Connect.Be in transmission connection plate 43 for square plate body part；Be in transmission connection before and after plate 43 to length less than fastening main part 41
Before and after to length.The plate 43 that is in transmission connection is connected with the right side integral middle of its left side with fastening main part 41.
The be in transmission connection centre of plate 43 is provided with the bolt hole 43-1 that upward and downward is through.
Still seeing Fig. 1, driving screw rod 5 is steel integral piece.Drive screw rod 5 by pedestal 51 and screw drive post 52 one
Composition.Pedestal 51 is located at the lower section driving screw rod 5.The cylinder of pedestal 51 generally hollow, the wall body of pedestal 51
Middle and lower part be provided with the installation sleeve joint hole 51-1 of symmetrical hollow out；The lower end of pedestal 51 is provided with and installs sleeve joint hole
51-1 communicate by groove 51-2.Screw drive post 52 is arranged on the top of pedestal 51, is connected with pedestal 51 one,
Stud drives post 52 to be provided with left hand thread.The axis of screw drive post 52 is provided with the through hole of cylinder；Screw thread drives
The top of dynamic post 52 is provided with left and right to through pin-and-hole.
Guide pin bushing 6 is the column member of hollow, and the inwall of guide pin bushing 6 is provided with female thread.The wall body of guide pin bushing 6 is provided with left and right
To through 2 symmetrical pin-and-holes.
Sliding sleeve 7 is the cylinder sliding sleeve of hollow.
It is the most following that the installation of each parts of earth potential working non-bearing connecting clip connects matching relationship:
Drainage thread pressing plate 2 is in the way of its arcuate projection 21 is the most relative with the drainage thread installation portion 11 of wire clip body 1
It is bolted assembly 3 to be connected with drainage thread pressing plate connecting portion 12 bolt of wire clip body 1；Bus bar part 4
The plate 43 that is in transmission connection passes through its bolt hole to the right after the square breach 13-1 of the middle interconnecting piece 13 of wire clip body 1
43-1 is threadeded with the screw drive post 52 driving screw rod 5.The sliding sleeve 7 connection otic placode 15 by wire clip body 1
Connection through hole 15-1 upward and downward ground interference fit be fixedly mounted on connection otic placode 15 on；The inwall of guide pin bushing 6 and driving spiral shell
The threaded upper ends of the screw drive post 52 of bar 5 uses pivot pin 8 pin joint after connecting again；The outer wall of guide pin bushing 6 is interior with sliding sleeve 7
Wall can slide up and down to socket.
See Fig. 4, the insulating bar 9 of the earth potential working non-bearing connecting clip of the present embodiment, mainly by the body of rod 91,
Back-up ring 92, insulation sleeve 93, afterburning handle 94, adapter sleeve 95, set pin 96 and grafting spindle nose 97 form.
The material of the body of rod 91 is insulating glass steel.The body of rod 91 is the strip column member of hollow.
Back-up ring 92 is the torus part of insulating glass steel matter；Back-up ring 92 is fixed by socket outside the lower end being arranged on the body of rod 91
On wall.Back-up ring 92 facilitates insulating bar 9 to prevent the body of rod from slipping out of the hand when in use grasping.
The material of insulation sleeve 93 is rubber.Insulation sleeve 93 is the column member of hollow；Insulation sleeve 93 is socketed in the body of rod 91
Bottom.
The material of afterburning handle 94 is carbon junction steel.Afterburning handle 94 is elongated circular body of rod part.Afterburning handle 94 is horizontal
Through the body of rod 91 and be fixed on the body of rod 91, and it is positioned at the upper end of insulation sleeve 93.
The material of adapter sleeve 95 is carbon junction steel.Adapter sleeve 95 is integrally made up of lower body and upper sleeve body.Adapter sleeve 95
Lower body is the cylinder of hollow, and its internal diameter adapts with the external diameter of the body of rod 91.The upper sleeve body of adapter sleeve 95 is hollow
Cylinder, its external diameter less than the external diameter of the body of rod 91, the upper sleeve body of adapter sleeve 95 is arranged with left and right to 2 through holes,
As installing connecting hole.Adapter sleeve 95 is socketed and is fixed on the upper end of the body of rod 91 by its lower body.
The material of set pin 96 is carbon junction steel.Set pin 96 is round bar shape part.
The material of grafting spindle nose 97 is carbon junction steel.Grafting spindle nose 97 is round bar shape part；The lower end of grafting spindle nose 97 is provided with
Left and right is to through installing hole.Grafting spindle nose 97 is fixedly mounted on the upper sleeve body of adapter sleeve 95 by set pin 96.
See Fig. 5, use the insulating bar 9 of the earth potential working non-bearing connecting clip of the present embodiment, may be implemented in not
Installing the earth potential working non-bearing connecting clip supporting with it under power down mode, installation method mainly comprises the steps that
1. review and validate before operation that to wait to take logical circuit zero load and without phase fault and earth fault；
2. earth potential working electrician may cause short circuit or ground connection to set because drainage thread swings in job area on electric pole
For the most progressively taking to be dielectrically separated from measure；
3. phase drainage thread in installing: drainage thread is loaded the wire clamp of non-bearing connecting clip on electric pole by earth potential working electrician
In the drainage thread installation portion 11 of main body 1；Cover drainage thread pressing plate 2 and be bolted assembly 3 fasten with clamping draw
Streamline；
4. non-bearing connecting clip is lifted: earth potential working electrician holds on the insulation sleeve 93 of insulating bar, will be absolutely
The two ends of the set pin 96 of edge action bars are enclosed within the pedestal 51 driving screw rod 5；By non-bearing connecting clip upwards delivery
Near the bus of overhead distribution；
5. non-bearing connecting clip hangs up distribution line bus: earth potential working electrician lifts non-bearing by insulating bar
Connecting clip, to after near bus, makes the wire clip body 1 of non-bearing connecting clip move to bus, makes bus enter wire clamp
After between bus holding portion 14 and the fastening main part 41 of bus bar part 4 of main body 1, slightly pull downward on insulation operation
Bar, makes bus contact with the bus holding portion 14 of wire clip body 1；
6. non-bearing connecting clip is fixing with distribution line bus is connected: the afterburning handle 94 on rotating insulated action bars, absolutely
Edge action bars drives driving screw rod 5 servo rotary of non-bearing connecting clip, under the reverse drive driving screw rod 5 spiral,
Bus pressing plate 4 moves upward clamping bus, makes non-bearing connecting clip fix on the bus being suspended on distribution line；
7. repeat step 3. to step 6., remaining biphase drainage thread is installed；
8. earth potential working electrician draws near and progressively releases and may cause on the equipment of short circuit or ground connection because drainage thread swings
Be dielectrically separated from measure；
See Fig. 6, use the insulating bar 9 of the earth potential working non-bearing connecting clip of the present embodiment, may be implemented in not
Dismantling the earth potential working non-bearing connecting clip supporting with it under power down mode, method for dismounting mainly comprises the steps that
1. circuit to be taken apart is reviewed and validate before operation zero load and without phase fault and earth fault；
2. earth potential working electrician is likely to result in short circuit to the swing of job area endogenous cause of ill drainage thread on electric pole or ground connection sets
For the most progressively taking to be dielectrically separated from measure；
3. earth potential working electrician uses insulation Assembly rail to be continued by the non-bearing on the charged middle phase bus in distribution line
The bus bar part 4 of wire clamp unscrews；
4. lift non-bearing connecting clip, non-bearing connecting clip is removed the charged bus of distribution line；
5. repeat step 3. with step 4., by remaining biphase on non-bearing connecting clip remove the charged of distribution line respectively
Bus；
6. the drainage thread on non-bearing connecting clip is taken apart by earth potential working electrician；
7. draw near and progressively release and may be dielectrically separated from measure because drainage thread swings to cause on the equipment of short circuit or ground connection.
To sum up, the insulating bar of the earth potential working non-bearing connecting clip of the present embodiment, simple in construction, cost is relatively low,
Easy to operate；When earth potential working method can be used not have a power failure on electric pole by workmen conveniently and efficiently install or
Dismounting earth potential working non-bearing connecting clip, time saving and energy saving, work efficiency is high, and can be prevented effectively from because of power cut construction band
The unnecessary loss of economy and society come.
Above example is the explanation of the detailed description of the invention to the present invention, rather than limitation of the present invention, relevant technology is led
The technical staff in territory is without departing from the spirit and scope of the present invention, it is also possible to makes various conversion and change and obtains
To the technical scheme of corresponding equivalent, the technical scheme of the most all equivalents all should be included into the patent protection model of the present invention
Enclose.
Claims (2)
1. the insulating bar of an earth potential working non-bearing connecting clip, it is characterised in that: include the body of rod (91), back-up ring (92), insulation sleeve (93), afterburning handle (94), adapter sleeve (95), set pin (96) and grafting spindle nose (97)；
The described strip column member that the body of rod (91) is hollow；Back-up ring (92) is torus part；Back-up ring (92) is fixed by socket on the lower end outer wall being arranged on the body of rod (91)；Insulation sleeve (93) is the column member of hollow；Insulation sleeve (93) is socketed in the bottom of the body of rod (91)；Afterburning handle (94) is elongated circular body of rod part；Afterburning handle (94) is horizontally through the body of rod (91) and is fixed on the body of rod (91), and is positioned at the upper end of insulation sleeve (93)；Adapter sleeve (95) includes lower body and the upper sleeve body one integrally connected；The cylinder that lower body is hollow of adapter sleeve (95), its internal diameter adapts with the external diameter of the body of rod (91)；The cylinder that upper sleeve body is hollow of adapter sleeve (95), its external diameter is less than the external diameter of the body of rod (91)；Be arranged with on the upper sleeve body of adapter sleeve (95) as install connecting hole left and right to 2 through holes；Adapter sleeve (95) is socketed and is fixed on the upper end of the body of rod (91) by its lower body；Set pin (96) is round bar shape part；Grafting spindle nose (97) is round bar shape part；The lower end of grafting spindle nose (97) is provided with left and right to through installing hole；Grafting spindle nose (97) is fixedly mounted on the upper sleeve body of adapter sleeve (95) by set pin (96).
The insulating bar of earth potential working non-bearing connecting clip the most according to claim 1, it is characterised in that: the described body of rod (91) and the material of back-up ring (92) are insulating glass steel；The material of insulation sleeve (93) is rubber；The material of afterburning handle (94), adapter sleeve (95), set pin (96) and grafting spindle nose (97) is carbon junction steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320004.3A CN103368104B (en) | 2013-07-26 | 2013-07-26 | The insulating bar of earth potential working non-bearing connecting clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320004.3A CN103368104B (en) | 2013-07-26 | 2013-07-26 | The insulating bar of earth potential working non-bearing connecting clip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103368104A CN103368104A (en) | 2013-10-23 |
| CN103368104B true CN103368104B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310320004.3A Active CN103368104B (en) | 2013-07-26 | 2013-07-26 | The insulating bar of earth potential working non-bearing connecting clip |
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| CN (1) | CN103368104B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746314A (en) * | 2013-12-30 | 2014-04-23 | 江苏省电力公司常州供电公司 | Quick hot-line by-pass jumper removing operation method for 10kV insulated power distribution line |
| CN103746315A (en) * | 2013-12-30 | 2014-04-23 | 江苏省电力公司常州供电公司 | Quick hot-line by-pass jumper overlapping operation method for 10kV insulated power distribution line |
| CN104505767B (en) * | 2014-12-10 | 2017-01-04 | 国网浙江省电力公司台州供电公司 | Charged the continuing of suspended insulated guide wire uses operation instrument |
| CN110299690B (en) * | 2019-07-23 | 2020-10-30 | 合肥康尔信电力系统有限公司 | Bus control system |
| CN111055294B (en) * | 2019-12-13 | 2021-08-10 | 国网浙江嘉善县供电有限公司 | Live working manipulator |
| CN113572078B (en) * | 2021-08-05 | 2022-08-30 | 国网河南省电力公司伊川县供电公司 | Long-distance lead feeding and conveying device |
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| CN203367879U (en) * | 2013-07-26 | 2013-12-25 | 江苏省电力公司常州供电公司 | Insulating operating rod of earth potential working non-bearing-force connection wire clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201210172Y (en) * | 2008-04-22 | 2009-03-18 | 云南电力试验研究院（集团）有限公司电力研究院 | Novel link bar |
| CN201369545Y (en) * | 2009-03-09 | 2009-12-23 | 安德柱 | Single-purpose tool of cable branch box earth leads |
| CN102176602A (en) * | 2011-01-31 | 2011-09-07 | 山东电力集团公司枣庄供电公司 | Special tool for assembling and disassembling horizontal bus ground wires |
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|---|---|
| CN103368104A (en) | 2013-10-23 |
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