CN104143781B - The electrification installation method of electricity testing grounding ring and the installation tool of electricity testing grounding ring - Google Patents
The electrification installation method of electricity testing grounding ring and the installation tool of electricity testing grounding ring Download PDFInfo
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- CN104143781B CN104143781B CN201310173774.XA CN201310173774A CN104143781B CN 104143781 B CN104143781 B CN 104143781B CN 201310173774 A CN201310173774 A CN 201310173774A CN 104143781 B CN104143781 B CN 104143781B
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- 230000005611 electricity Effects 0.000 title claims abstract description 102
- 238000012360 testing method Methods 0.000 title claims abstract description 100
- 238000009434 installation Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000012795 verification Methods 0.000 description 8
- 230000008439 repair process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides a kind of electrification installation method of electricity testing grounding ring and the installation tool of electricity testing grounding ring.Electrification installation method includes：Step S1：Electricity testing grounding ring is lifted at wire using instrument is lifted；Step S2：Electricity testing grounding ring is fastenedly connected with wire using fastening tool.When installing electricity testing grounding ring, the excessive auxiliary power instrument due to no longer needing to use, such as many recovery vehicles at most only need two staff's collaborative works, thus reduce the waste of resource, reduce maintenance cost.Because staff no longer needs to wait powered class install the work of electricity testing grounding ring, thus the repairing stand-by period is shortened, improve the reliability of power supply.
Description
Technical field
The present invention relates to field of electricity construction, more particularly, to a kind of electrification installation method of electricity testing grounding ring and test
The installation tool of electrically grounded ring.
Background technology
At present, the phenomenon of overhead conductor insulation is more universal, and staff installs electricity testing grounding ring（For example：Penetration type
Electricity testing grounding ring, penetration type electricity testing grounding ring can be arranged on wire in the case where not divesting the insulating barrier of wire, while not
Injure wire and required short circuit current flow can be reached）Method can not meet the need of accident maintenance and day-to-day operation maintenance work
Will.
Common staff needs power failure operation when being repaired to circuit, then by climbing electric pole or standing in lifting
To dead line install the work of electricity testing grounding ring on chassis.But there is following ask in this method for installing electricity testing grounding ring
Topic：
1. there is potential safety hazard.Electricity testing grounding ring is installed even if having a power failure, sometimes also can foldback electricity when circuit is not grounded
And induced electricity, so as to cause staff to get an electric shock.
2. adding the power failure stand-by period, the production given people, life are made troubles.Due to needing first to be stopped circuit
It is electrically operated, then install the work of electricity testing grounding ring, so as to influence the normal electricity consumption of resident and enterprise.
3. electricity testing grounding ring can not be added at any time as needed, it is delayed emergency repair time.Required according to power construction, in circuit
On add electricity testing grounding ring and need plan of application to have a power failure, either carry out adding electricity testing grounding ring or application in comprehensive maintenance
Electricity testing grounding ring is installed by powered class.The excessive cycle of installation electricity testing grounding ring but application has a power failure, staff can not be right in time
Need the circuit of maintenance to be handled, delay emergency repair time, cause potential safety hazard.Electrical verification ground connection is just added in comprehensive maintenance
Ring, causes circuit operation to there is potential safety hazard.
To ensure the personal safety of staff, need powered class to carry out installation when carrying out accident maintenance to alive circuit and test
The work of electrically grounded ring.But there is problems with the method for using powered class to install electricity testing grounding ring：
A. it is delayed emergency repair time, powered class installs electricity testing grounding ring and limited by construction site surrounding environment, sometimes powered
Car can not enter job site, so that electricity testing grounding ring can not be installed in time.
B. need several staff's cooperations, need auxiliary power instrument many, cause the wasting of resources.Accident maintenance process
In, be when ground wire is installed on original electricity testing grounding ring or electricity testing grounding ring being installed, it is necessary to simultaneously using many recovery vehicles,
Several staff's cooperative cooperatings complete repairing work, so as to cause the wasting of resources, add emergency repair time, expand repairing model
Enclose, reduce the reliability of power supply.
The content of the invention
The present invention is intended to provide the electrification installation method and the installation tool of electricity testing grounding ring of a kind of electricity testing grounding ring, to solve
Certainly in the prior art powered installation electricity testing grounding ring when exist and need several staff cooperation, need auxiliary power instrument excessive
And the problem of cause the wasting of resources.
In order to solve the above technical problems, a kind of according to an aspect of the invention, there is provided powered peace of electricity testing grounding ring
Dress method, including：Step S1：Electricity testing grounding ring is lifted at wire using instrument is lifted；Step S2：Will using fastening tool
Electricity testing grounding ring is fastenedly connected with wire.
Further, step S1 is specifically included：Step S11：Electricity testing grounding ring is articulated on the instrument of lifting；Step S12：
Instrument is lifted in movement, electricity testing grounding ring is lifted at wire, and electricity testing grounding ring is connected on wire.
Further, step S2 is specifically included：Step S21：Fastening tool is engaged with the fastener of electricity testing grounding ring；Step
Rapid S22：Actuating fastening tool makes fastener be fastenedly connected electricity testing grounding ring with wire；Step S23：Continue actuating fastening work
Tool, until fastener by untill twisting into two parts.
According to another aspect of the present invention there is provided a kind of installation tool of electricity testing grounding ring, including：Lift component,
Lifting component includes the first insulating bar and lift stand, and lift stand is arranged on the first end of the first insulating bar；And fastening assembly, fastening
Component includes the second insulating bar and fastening part, and fastening part is arranged on the first end of the second insulating bar.
Further, lift stand includes：Support body, the first end of support body is connected with the first end of the first insulating bar；And electrical verification
Ground loop is linked up with, and electricity testing grounding ring links up with the second end for being arranged on support body.
Further, support body includes：Fixed part, fixed part is connected with the first end of the first insulating bar；Two support members, often
The first end of individual support member is connected with fixed part, and two support members are set at intervals, and the second end of each support member is equal
Protruding to the direction away from the first insulating bar, the second end of each support member is provided with an electricity testing grounding ring hook.
Further, lift stand and the first insulating bar are detachably connected.
Further, fastening part includes：Connecting rod, the first end of connecting rod and the second insulating bar are detachably connected；With
For the sleeve with the appended claims of electricity testing grounding ring, sleeve is removably disposed in the second end of connecting rod.
Further, fastening assembly also includes torque spanner, and the second end of torque spanner and the second insulating bar is removably
Connection.
Further, installation tool also includes connection fixture, and connection fixture, which is arranged on, to be lifted on component, and fastening assembly passes through
Connect fixture detachably connected with lifting component.
When staff installs electricity testing grounding ring using the electrification installation method in the present invention, it is necessary first to using lifting work
Tool lifts electricity testing grounding ring at wire, is then fastenedly connected electricity testing grounding ring with wire using fastening tool.Installation is tested
During electrically grounded ring, the excessive auxiliary power instrument due to no longer needing to use, such as many recovery vehicles at most only need two works
Make Collaboration work, thus reduce the waste of resource, reduce maintenance cost.Because staff no longer needs to wait band
Electric class install the work of electricity testing grounding ring, thus shortens the repairing stand-by period, improves the reliability of power supply.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the main view for lifting component of the installation tool in a preferred embodiment in the present invention
Figure；
Fig. 2 diagrammatically illustrates Fig. 1 left view；
Fig. 3 diagrammatically illustrates the main view for lifting component of the installation tool in another preferred embodiment in the present invention
Figure；
Fig. 4 diagrammatically illustrates Fig. 3 left view；And
Fig. 5 diagrammatically illustrates the structural representation of the fastening assembly of the installation tool in the present invention.
Reference in figure：10th, component is lifted；11st, the first insulating bar；11a, the first insulating bar first end；11b,
Second end of one insulating bar；12nd, lift stand；13rd, support body；13a, fixed part；13b, two support members；14th, electricity testing grounding ring is hung
Hook；20th, fastening assembly；21st, the second insulating bar；21a, the second insulating bar first end；21b, the second insulating bar the second end；
22nd, fastening part；22a, sleeve；22b, connecting rod；23rd, torque spanner；24th, connector.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As the first aspect of the invention, there is provided a kind of electrification installation method of electricity testing grounding ring.Powered installation side
Method includes：Step S1：Using lifting instrument by electricity testing grounding ring（For example：Penetration type electricity testing grounding ring）Lift wire（For example：
10KV suspended insulated guide wire）Place；Step S2：Electricity testing grounding ring is fastenedly connected with wire using fastening tool.
Staff installs electricity testing grounding ring using the electrification installation method in the present invention（Electrical verification, installing can be carried out to connect
The operation of ground wire）When, it is necessary to wear insulating glove, the excessive auxiliary power instrument due to no longer needing to use, for example：Many are robbed
Repair, at most only need two staff's collaborative works, thus reduce the waste of resource, reduce maintenance cost.Due to
Staff no longer needs to wait powered class install the work of electricity testing grounding ring, thus shortens the repairing stand-by period, carries
The high reliability of power supply.Because staff can add electricity testing grounding ring in time in repairing and maintenance as needed, because
And improve first-aid repair efficiency.Due to not needing power failure operation, thus improve power supply reliability.Powered installation side in the present invention
Method is adapted to different repairing environment, even if with the unapproachable repairing scene of electric car, staff can also be installed
The work of electricity testing grounding ring.
Preferably, step S1 is specifically included：Step S11：Electricity testing grounding ring is articulated on the instrument of lifting；Step S12：Move
It is dynamic to lift instrument, electricity testing grounding ring is lifted at wire, and electricity testing grounding ring is connected on wire.Due to electricity testing grounding ring
It is articulated on the instrument of lifting, thus is easy to staff that electricity testing grounding ring is placed on the instrument of lifting, and is easy to electrical verification to be grounded
Ring with wire after being connected, and the instrument of lifting can be unloaded easily from electricity testing grounding ring, so as to improve installation electrical verification ground connection
The reliability of ring.
Preferably, step S2 is specifically included：Step S21：Fastening tool is engaged with the fastener of electricity testing grounding ring；Step
S22：Actuating fastening tool makes fastener be fastenedly connected electricity testing grounding ring with wire；Step S23：Continue actuating fastening tool,
Until fastener by untill twisting into two parts.In a preferred embodiment, staff installs penetration type on powered wire and tested
During electrically grounded ring, electricity testing grounding ring（Electricity testing grounding ring includes ring body and penetrating cable clamp, and penetrating cable clamp is welded with ring body, punctures line
Press from both sides for being connected to wire）It has been connected on wire, has now only needed to screw the fastening of electricity testing grounding ring using fastening tool
Part, enters in the insulated hull of wire, and electricity testing grounding ring is fixedly connected with wire so that the pricker of electricity testing grounding ring is punctured.
According to the use requirement of penetration type electricity testing grounding ring, after fastener has been screwed, staff still need to using fastening tool after
It is continuous to screw fastener, twisted into two parts until fastener untill electricity testing grounding ring inside.
As the second aspect of the invention, there is provided a kind of installation tool of electricity testing grounding ring.As shown in Figures 1 to 5,
Installation tool includes：Component 10 is lifted, component 10 is lifted including the first insulating bar 11 and lift stand 12, lift stand 12 is arranged on the
The first end 11a of one insulating bar 11；With fastening assembly 20, fastening assembly 20 includes the second insulating bar 21 and fastening part 22, fastening
Portion 22 is arranged on the first end 21a of the second insulating bar 21.Component 10 is lifted due to being provided with, thus facilitates staff by electrical verification
Ground loop is lifted at wire.Due to being provided with fastening assembly 20, thus the electrical verification that staff can be to being connected at wire
The fastener of ground loop is fastened.
Preferably, the length of the first insulating bar 11 and the second insulating bar 21 is more than 0.7 meter.According to power industry livewire work
Requirement, to ensure the safety of staff's livewire work, the length of the first insulating bar 11 and the second insulating bar 21 is no less than
0.7 meter.In a preferred embodiment, the length of the first insulating bar 11 and the second insulating bar 21 is 1 meter.
Preferably, the first insulating bar 11 and the second insulating bar 21 are insulation restrictor bars.Because insulation restrictor bar meets power industry
Construction requirement standard, thus use insulation restrictor bar as insulating bar, not only meet use requirement, and reliability is high, to work
The construction for making personnel provides safety guarantee.
Preferably, the first insulating bar 11 includes at least two first bodies of rod, and at least two first bodies of rod are successively removably
Connection.Further, at least two first bodies of rod are connected through a screw thread.Because at least two first bodies of rod removably connect successively
Connect, thus staff can be according to the demand of job site environment, addition or the number for reducing by first body of rod, so that this hair
The length for lifting component 10 in bright can be adjusted, and add the use scope for lifting component 10.
When staff is using component 10 is lifted, the ring body of electricity testing grounding ring should be articulated on lift stand 12, work people
The hand of member should hold one end of the remote lift stand 12 of the first insulating bar 11.
Preferably, lift stand 12 includes：Support body 13, the first end of support body 13 and the first end 11a of the first insulating bar 11 connect
Connect；With electricity testing grounding ring hook 14, electricity testing grounding ring hook 14 is arranged on the second end of support body 13（Fig. 1 be refer to Fig. 4）.By
14 are linked up with being provided with electricity testing grounding ring, thus facilitates staff that electricity testing grounding ring is articulated on lift stand 12, and
After electricity testing grounding ring is connected with wire, the removal from electricity testing grounding ring of component 10 is conveniently lifted.
Preferably, support body 13 takes the shape of the letter U or V-arrangement.
Preferably, electricity testing grounding ring hook 14 is that metal material is made.Further, metal material is iron wire or wire
Core.Because electricity testing grounding ring hook 14 is that metal material is made, thus it not only can guarantee that electricity testing grounding ring can be consolidated
Ground is articulated on electricity testing grounding ring hook 14, and staff can also be grounded according to the size of electricity testing grounding ring to electrical verification
The degree of crook of ring hook 14 is adjusted, so that electricity testing grounding ring hook 14 has good match with electricity testing grounding ring
Property, improve installation reliability.
Preferably, as shown in Figures 1 to 4, support body 13 includes：Fixed part 13a, fixed part 13a and the first insulating bar 11
First end 11a connections；Two support members 13b, each support member 13b first end are connected with fixed part 13a, two support members
13b is set at intervals, and each support member 13b the second end is protruding to the direction away from the first insulating bar 11, often
Individual support member 13b the second end is provided with an electricity testing grounding ring hook 14.Due to being provided with two support member 13b, and often
Individual support member 13b the second end is provided with electricity testing grounding ring hook 14, thus electricity testing grounding ring can mount stably
On support body 13, so that the problem of avoiding coming off because electricity testing grounding ring mounting is unstable.
Preferably, lift stand 12 and the first insulating bar 11 are detachably connected.Further, lift stand 12 and first insulate
Bar 11 is connected through a screw thread.Because lift stand 12 and the first insulating bar 11 are detachably connected, thus the first insulating bar 11 has
Good replaceability, staff can use the problem of the first insulating bar 11 handles other livewire work, so as to expand
Lift the use scope of component 10.Certainly, the fastening part 22 of fastening assembly 20 can also removably connect with the second insulating bar 21
Connect.
Preferably, fastening part 22 includes：Connecting rod 22b, connecting rod 22b first end and the second insulating bar 21 are removably
Connection；With for the sleeve 22a with the appended claims of electricity testing grounding ring, sleeve 22a is removably disposed in connecting rod 22b's
Second end（It refer to Fig. 5）.Further, connecting rod 22b is threadedly coupled with the second insulating bar 21.Preferably, sleeve 22a is interior
Hexagonal jacket.Due to sleeve 22a and appended claims, thus sleeve 22a size of the size preferably with fastener coincide,
So staff is facilitated to screw fastener.Because sleeve 22a and connecting rod 22b are detachably connected, thus convenient work people
Member changes to sleeve 22a, and staff can be according to the size of fastener, the sleeve 22a that selection is adapted to, so as to carry
The use reliability of high fastening assembly 20.
Preferably, as shown in figure 5, fastening assembly 20 also includes connector 24, one end of connector 24 and the second insulating bar
21 threaded connections, the second end of connector 24 is provided with neck, and the connection end of torque spanner 23 is provided with convex with neck clamping
Rise.Because connector 24 is threadedly coupled with the second insulating bar 21, thus facilitate staff by connector 24 from the second insulating bar
Disassembled on 21, such second insulating bar 21 can be also used in other livewire work, so as to expand the second insulating bar 21
Use scope.Because connector 24 and torque spanner 23 will easily can be turned round by clamping engagement, thus staff
Torque wrench 23 is disassembled with connector 24, and torque spanner 23 still can apply to other different areas of activity, thus further increase
The use scope of torque spanner 23, improves the use reliability of fastening assembly 20.
Preferably, as shown in figure 5, fastening assembly 20 also includes torque spanner 23, the insulating bar 21 of torque spanner 23 and second
The second end 21b it is detachably connected.Due to being provided with torque spanner 23, thus staff can be according to using needing setting
The twisting resistance size of torque spanner 23, so as to avoid overexerting or too small during the second insulating bar 21 of rotation, is improved
The use reliability of fastening assembly 20.Due to being provided with torque spanner 23, thus staff can be insulated with a hand grip second
Bar 21,23 pair of second insulating bar 21 of another hand grip torque spanner rotate, so as to increase the arm of force, reduce the big of force
It is small, reduce labor intensity, improve operating efficiency.
Preferably, the installation tool in the present invention also includes connection fixture, and connection fixture, which is arranged on, to be lifted on component 10, tightly
Gu component 20 is detachably connected with lifting component 10 by connecting fixture., can be by when staff uses installation tool
Fastening assembly 20 is disassembled from connection fixture, fastening assembly 20 is separated with lifting component 10, is facilitated staff to tight
Gu component 20, lift component 10 and manipulated.When that need not use installation tool, fastening assembly 20 is by connecting fixture and support
Lift component 10 connect, so not only facilitate staff carry installation tool, also avoid fastening assembly 20 or lift component 10 because
Separate and lose.Certainly, connection fixture can also be arranged on fastening assembly 20, lift component 10 by connecting fixture and fastening
Component 20 is detachably connected.
Preferably, connection fixture be fixedly installed on the first insulating bar 11 for lifting component 10, and connection fixture can with it is tight
Gu the second insulating bar 21 of component 20 engages.
Preferably, connection fixture presss from both sides for U-shaped card.
In a preferred implementation, the support body 13 for lifting component 10 takes the shape of the letter U；Support body 13 and electricity testing grounding ring hook 14 1
It is body formed；Support body 13 and electricity testing grounding ring link up with 14 be 4.0 iron it is thread；Lift stand 12 passes through the first outer button screw rod and the
One insulating bar 11 is detachably connected, and the diameter of the first outer button screw rod is 30mm, and the length of the first outer button screw rod is 70mm；Fastening
The sleeve 22a of component 20 length is 14mm；Connecting rod 22b is stepped cylinder, and connecting rod 22b is outside loop bar and second
Screw rod composition is detained, the diameter of loop bar is 15mm, and the length of loop bar is 75mm, and the diameter of the second outer button screw rod is outside 30mm, second
The length for detaining screw rod is 50mm；Connector 24 is cylinder, and the internal diameter of one end of connector 24 is 35mm, the height of connector 24
For 45mm, the other end of connector 24 offers the square opening that length is 1.25mm.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (4)
1. a kind of installation tool of electricity testing grounding ring, it is characterised in that including：
Component (10) is lifted, the component (10) of lifting includes the first insulating bar (11) and lift stand (12), the lift stand
(12) it is arranged on the first end (11a) of first insulating bar (11)；With
Fastening assembly (20), the fastening assembly (20) includes the second insulating bar (21) and fastening part (22), the fastening part
(22) first end (21a) of second insulating bar (21) is arranged on,
The fastening part (22) includes：
Connecting rod (22b), the first end of the connecting rod (22b) and second insulating bar (21) are detachably connected；With
For the sleeve (22a) with the appended claims of the electricity testing grounding ring, the sleeve (22a) is removably disposed in institute
The second end of connecting rod (22b) is stated,
The lift stand (12) includes：
Support body (13), the first end of the support body (13) is connected with the first end (11a) of first insulating bar (11)；With
Electricity testing grounding ring links up with (14), and the electricity testing grounding ring hook (14) is arranged on the second end of the support body (13),
Support body (13) takes the shape of the letter U or V-arrangement, and the support body (13) includes：
Fixed part (13a), the fixed part (13a) is connected with the first end (11a) of first insulating bar (11)；
Two support members (13b), the first end of each support member (13b) is connected with the fixed part (13a), two institutes
Support member (13b) is stated to set at intervals, and each support member (13b) the second end to remote first insulating bar
(11) direction is protruding, and the second end of each support member (13b) is provided with an electricity testing grounding ring hook
(14)。
2. installation tool according to claim 1, it is characterised in that the lift stand (12) and first insulating bar
(11) it is detachably connected.
3. installation tool according to claim 1, it is characterised in that the fastening assembly (20) also includes torque spanner
(23), the second end (21b) of the torque spanner (23) and second insulating bar (21) is detachably connected.
4. installation tool according to claim 1, it is characterised in that the installation tool also includes connection fixture, described
Connection fixture is lifted on component (10) described in being arranged on, and the fastening assembly (20) lifts group by the connection fixture with described
Part (10) is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310173774.XA CN104143781B (en) | 2013-05-10 | 2013-05-10 | The electrification installation method of electricity testing grounding ring and the installation tool of electricity testing grounding ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310173774.XA CN104143781B (en) | 2013-05-10 | 2013-05-10 | The electrification installation method of electricity testing grounding ring and the installation tool of electricity testing grounding ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104143781A CN104143781A (en) | 2014-11-12 |
| CN104143781B true CN104143781B (en) | 2017-08-01 |
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| CN201310173774.XA Active CN104143781B (en) | 2013-05-10 | 2013-05-10 | The electrification installation method of electricity testing grounding ring and the installation tool of electricity testing grounding ring |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490207B (en) * | 2015-12-18 | 2017-10-24 | 国家电网公司 | A kind of high-voltage isulation circuit is grounded link installation tool |
| CN105826870A (en) * | 2016-06-08 | 2016-08-03 | 国网辽宁省电力有限公司电力科学研究院 | Wedge-shaped diversion line ground potential live installation combination tool |
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| CN203233103U (en) * | 2013-05-10 | 2013-10-09 | 国家电网公司 | Installation tool for electricity testing grounding ring |
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|---|---|---|---|---|
| CN201075410Y (en) * | 2007-08-10 | 2008-06-18 | 安徽省电力公司淮北供电公司 | Insulation circuitry earth lead fast suspension instrument |
| CN201204405Y (en) * | 2008-04-23 | 2009-03-04 | 宁夏电力公司宁东供电局 | Multiplexer for electrified fastening pin type insulator |
| JP2010239839A (en) * | 2009-03-31 | 2010-10-21 | Nagaki Seiki Co Ltd | Remote control bar set |
| CN201413950Y (en) * | 2009-04-14 | 2010-02-24 | 山东电力集团公司济南供电公司 | Live-wire work operating rod for fixing conducting wires |
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| CN203233103U (en) * | 2013-05-10 | 2013-10-09 | 国家电网公司 | Installation tool for electricity testing grounding ring |
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| CN104143781A (en) | 2014-11-12 |
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