CN109212298A - A kind of universal electroscope head in all fronts - Google Patents
A kind of universal electroscope head in all fronts Download PDFInfo
- Publication number
- CN109212298A CN109212298A CN201811268546.XA CN201811268546A CN109212298A CN 109212298 A CN109212298 A CN 109212298A CN 201811268546 A CN201811268546 A CN 201811268546A CN 109212298 A CN109212298 A CN 109212298A
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- Prior art keywords
- electroscope
- hook formation
- clamp assemblies
- fronts
- aerial condutor
- Prior art date
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 38
- 230000000712 assembly Effects 0.000 claims abstract description 32
- 238000000429 assembly Methods 0.000 claims abstract description 32
- 238000012795 verification Methods 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims description 12
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000000505 pernicious effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000003796 beauty Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Insulators (AREA)
Abstract
The present invention relates to the technical fields of interruption maintenance auxiliary device, more specifically, it is related to a kind of universal electroscope head in all fronts, including hook formation and clamp assemblies, one end of the clamp assemblies is flexibly connected with hook formation, the other end surrounds the accommodating space formed with aerial condutor cooperation, and the clamp assemblies are set to hook part；The end of the hook formation is equipped with the connecting pin connecting with electroscope, and top is equipped with the electrical verification portion that route three-phase electrical verification operation is carried out for of short duration contact.The present invention makes electroscope head and aerial condutor keep continuous contact state using the gravity of electroscope and the chucking power of clamp assemblies, avoids safety accident caused by ignorant operation；One end of clamp assemblies is flexibly connected the size adjustable so that accommodating space with hook formation, is adapted to the fixation of the aerial condutor of different model；And the present invention has double fixed double anti-off effects, the electroscope head that can guarantee keeps good with aerial condutor always and contacts, and guarantees the safety of operation.
Description
Technical field
The present invention relates to the technical fields of interruption maintenance auxiliary device, more particularly, to a kind of universal electrical verification in all fronts
Device head.
Background technique
Electrical verification mode after current power failure is after identifying conductor no-voltage with electroscope, and electroscope leaves conductor, then
Electrical verification operation is carried out again.Conductor is left to during this section for completing ground connection operation in electroscope, and there are when one section of vacuum monitored
Between, it may send a telegram here suddenly in this section of vacuum time, ground connection operator can be grounded in the case where not knowing has electricity
Operation, leads to the pernicious misoperation fault of electrical ground.It is main although gradually there is the electroscope of coupling type to be developed
Electroscope and aerial condutor is set to keep continuous contact state, when route has electricity suddenly, continuous contact by the gravity of electroscope
Electroscope will work.But in the biggish area of wind-force, electroscope can swing back and forth, the metal electrical verification end of electroscope without
Method is fixed on electrical verification point, time-consuming and laborious since poor contact causes electrical verification result inaccurate, and there are certain safety is hidden
Suffer from.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of universal electroscope head in all fronts, using testing
The gravity of electric appliance and the elastic force of spring make electroscope and aerial condutor be in the state of continuous contact, when route has electricity suddenly,
Electroscope can issue alarm in time and project light source, guarantee the safety of operation.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of universal electroscope head in all fronts is provided, including being built-in with the hook formation of hook part and for fixing aerial condutor
Clamp assemblies, one end of the clamp assemblies is flexibly connected with hook formation, and the other end is around forming and aerial condutor cooperates
Accommodating space, the clamp assemblies be set to hook part；The end of the hook formation is equipped with the connecting pin connecting with electroscope,
Top is equipped with the electrical verification portion that route three-phase electrical verification operation is carried out for of short duration contact.
Electroscope head is connect with electroscope by connecting pin, first passes through and test by the universal electroscope head in all fronts of the invention
After electric portion carries out the electrical verification of route three-phase, then aerial condutor is directed into accommodating space, and clamps to make somebody a mere figurehead by clamp assemblies and lead
The entire electroscope of bundle of lines is hung in the phase for needing to be grounded, and makes electroscope using the gravity of electroscope and the chucking power of clamp assemblies
It is fixed on aerial condutor, so that electroscope and aerial condutor keep continuous contact state persistently to connect when route has electricity suddenly
The electroscope of touching will work, and issue alarm and project light source, the staff for carrying out ground connection operation can stop at once
Ground connection operation increases the safety that electroscope uses in order to avoid leading to pernicious misoperation fault without knowing it；Clamping group
One end of part is flexibly connected the size adjustable so that accommodating space with hook formation, to be adapted to the aerial condutor of various models
Fixation.
Further, the clamp assemblies include the first clamp structure and the second clamp structure, the second clamping knot
Structure is set to the top of the first clamp structure.First clamp structure and the second clamp structure play double fixed double anti-off effects, make somebody a mere figurehead
Conducting wire is first between the first clamp structure, when aerial condutor surprisingly deviates from electroscope, after the second clamp structure is used as
The standby fixed protection for preventing aerial condutor abjection electroscope；The electroscope head that the double anti-off effects of double fixations can guarantee always with frame
Hollow wire keeps good contact, guarantees the safety of operation.
Further, first clamp structure includes two groups of clamping pieces being oppositely arranged two-by-two and is formed in clamping piece
Between the first accommodating space, the distance between the distalmost end of the clamping piece and hook formation value are adjustable.Two groups opposite two-by-two
Clamping piece around forming the first accommodating space, enable clamping piece to apply chucking power to clamping piece multi-faceted, have preferable
Stability.
Further, the clamping piece includes sequentially connected clamping part, interconnecting piece and root, and the one of the interconnecting piece
End is connect with clamping part, and the other end passes through hook formation and connect with root.Clamping part, interconnecting piece, root are worked in coordination mutual system
About, and from each other the performance of function itself is not influenced.
Further, the clamping part is the mushroom header structure that end face is equipped with anti-skidding ripple, the clamping part and interconnecting piece
It is detachably connected.Clamping part designs anti-skidding ripple, cooperates the gap between twisted wire, increases rubbing between electroscope and aerial condutor
It wipes, so that aerial condutor is more effectively fixed on inside electroscope, conducting wire is prevented to be detached from electroscope；Clamp assemblies and hook formation
It is detachably connected, in calm or minimum wind-force area, clamp assemblies is dismantled, the hook formation after disassembly relies only on electrical verification
Thinking highly of power can be such that electroscope is contacted with aerial condutor；And in the biggish area of wind-force, clamp assemblies are installed, by aerial condutor
It is fixed between clamp assemblies, is able to maintain well contacting between aerial condutor and electroscope, guarantee the steady of electroscope work
It is qualitative.
Further, the end of the clamping part is equipped with T-type holding division, and the interconnecting piece is equipped with to be cooperated with T-type holding division
T-slot.Clamping part blocks mutually after entering from the side of interconnecting piece, so that two parts can not be detached from up and down.
Further, the interconnecting piece is arranged with spring, and the clamping part is equipped with bayonet；One end of the spring is set to folder
The junction of portion and hook formation is held, the other end is placed in inside bayonet.The setting of spring is maked somebody a mere figurehead so that when importing aerial condutor
Wire squeezes clamp assemblies can enter in accommodating space, and it is convenient to operate；On the one hand the setting of bayonet can block spring, prevent
Spring offset；On the one hand spring is hidden in the bayonet when clamp assemblies are pressed onto bottom.
Further, the root is curved-surface structure, and the medial surface of the curved-surface structure is close to the outer wall of hook formation
Setting.The setting of root assigns the appearance of electroscope head beauty of the present invention, and can be avoided seamed edge surprisingly to artificial at need not
The injury wanted.
Further, second clamp structure includes anti-bias arcs and solid cylindrical structure, the anti-bias arcs
One end is connect with solid cylindrical structure, and the other end is connected to the top of clamping part；Two groups of anti-bias arcs, which are oppositely arranged, is formed with
Two accommodating spaces.When aerial condutor surprisingly deviates from electroscope, anti-bias arcs can prevent the guarantor of aerial condutor abjection electroscope
Shield；The setting of distance can prevent aerial condutor from entering inside electroscope head between the top and hook formation of solid cylindrical structure
It retrodeviates into unnecessary place；The setting of anti-cheat arcs has the function of to exempt from card, when clamping part is pressed onto lowest point and body contact,
Anti-bias arcs still have a certain distance between hook formation, to guarantee the wire diameter by electroscope.
Further, the distance between the top of the solid cylindrical structure and hook formation are 3mm ~ 4mm.Market at present
The smallest wire diameter of upper 10kV or more is steel-cored aluminium strand (LGJ type) 10/2, outer diameter 4.5mm, anti-bias arcs and master
Body distance is smaller than its outer diameter, it is effectively prevent to enter partially to unnecessary place.
Compared with prior art, the beneficial effects of the present invention are:
(1) of the invention to be fixed on electroscope on aerial condutor using the gravity of electroscope and the chucking power of clamp assemblies, make
It obtains electroscope and aerial condutor keeps continuous contact state, when route has electricity suddenly, the electroscope of continuous contact will work,
Issue alarm and project light source, the staff for carrying out ground connection operation can off-ground operation at once, in order to avoid not knowing
Lead to pernicious misoperation fault in the case where feelings, increases the safety that electroscope uses；
(2) one end of clamp assemblies of the present invention is flexibly connected the size adjustable so that accommodating space with hook formation, to adapt to
In the fixation of the aerial condutor of different model；
(3) the first clamp structure of the invention and the second clamp structure play double fixed double anti-off effects, aerial condutor first into
Enter between the first clamp structure, when aerial condutor surprisingly deviates from electroscope, the second clamp structure is prevented as standby fixation
The protection of aerial condutor abjection electroscope；The electroscope head that the double anti-off effects of double fixations can guarantee is kept with aerial condutor always
Good contact guarantees the safety of operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram I of the universal electroscope head in all fronts of the invention.
Fig. 2 is the structural schematic diagram II of the universal electroscope head in all fronts of the invention.
Fig. 3 is the structural schematic diagram of the clamping piece of the universal electroscope head in all fronts of the invention.
In attached drawing, 1- hook formation；11- hook part；The connecting pin 12-；13- electrical verification portion；The first clamp structure of 2-；21-
One accommodating space；22- clamping part；23- interconnecting piece；The root 24-；25-T type holding division；26-T type groove；27- spring；28- bayonet；
The second clamp structure of 3-；The anti-bias arcs of 31-；32- solid cylindrical structure；The second accommodating space of 33-.
Specific embodiment
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore positional relationship is described in attached drawing
Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment
As shown in Figure 1 to Figure 3 it is the embodiment of the universal electroscope head in all fronts of the invention, including is built-in with hook part 11
Hook formation 1 and clamp assemblies for fixing aerial condutor, one end of clamp assemblies be flexibly connected with hook formation 1,
The other end surrounds the accommodating space formed with aerial condutor cooperation, and clamp assemblies are set to hook part 11；The end of hook formation 1 is set
There is the connecting pin 12 connecting with electroscope, top is equipped with the electrical verification portion that route three-phase electrical verification operation is carried out for of short duration contact
13。
The present embodiment implement when, electroscope head is connect with electroscope by connecting pin 12, first pass through electrical verification portion 13 into
After row line three-phase electrical verification, then aerial condutor is directed into accommodating space, and clamps aerial condutor whole by clamp assemblies
A electroscope is hung in the phase for needing to be grounded, and is fixed on electroscope using the gravity of electroscope and the chucking power of clamp assemblies
On aerial condutor, so that electroscope and aerial condutor keep continuous contact state, when route has electricity suddenly, continuous contact is tested
Electric appliance will work, and issue alarm and project light source to warn the off-ground operation of staff.
As shown in Figure 1 to Figure 2, clamp assemblies include the first clamp structure 2 and the second clamp structure 3, the second clamping knot
Structure 3 is set to the top of the first clamp structure 2；First clamp structure 2 and the second clamp structure 3 play double fixed double anti-off effects,
Aerial condutor is first between the first clamp structure 2, when aerial condutor surprisingly deviates from electroscope, the second clamp structure 3
As the fixed protection for preventing aerial condutor abjection electroscope of standby.
As shown in Figure 1 and Figure 2, the first clamp structure 2 including two groups of clamping pieces being oppositely arranged two-by-two and is formed in clamping
The first accommodating space 21 between part, the distance between the distalmost end of clamping piece and hook formation 1 value are adjustable；Two groups opposite two-by-two
Clamping piece around forming the first accommodating space 21, enable clamping piece to apply chucking power to clamping piece multi-faceted, have compared with
Good stability.
As shown in figure 3, clamping piece includes sequentially connected clamping part 22, interconnecting piece 23 and root 24, interconnecting piece 23
One end is connect with clamping part 22, and the other end passes through hook formation 1 and connect with root 24.Wherein, clamping part 22 is end face equipped with anti-
The mushroom header structure of sliding ripple, cooperates the gap between twisted wire, increases the friction between electroscope and aerial condutor, so that aerial lead
Line is more effectively fixed on inside electroscope, and conducting wire is prevented to be detached from electroscope；Clamping part 22 is detachably connected with interconnecting piece 23,
Calm or minimum wind-force area, clamp assemblies are dismantled, and the hook formation 1 after disassembly relies only on electroscope gravity and can make to test
Electric appliance is contacted with aerial condutor；And in the biggish area of wind-force, clamp assemblies are installed, aerial condutor is fixed on clamping group
Between part, it is able to maintain well contacting between aerial condutor and electroscope, guarantees the stability of electroscope work.
As shown in figure 3, the end of clamping part 22 is equipped with T-type holding division 25, interconnecting piece 23 is equipped with to be cooperated with T-type holding division 25
T-slot 26；Clamping part 22 blocks mutually after entering from the side of interconnecting piece 23, so that two parts can not be detached from up and down.Even
Socket part 23 is arranged with spring 27, and clamping part 22 is equipped with bayonet 28；One end of spring 27 is set to the company of clamping part 22 and hook formation 1
Place is met, the other end is placed in inside bayonet 28；When importing aerial condutor, aerial condutor, which squeezes clamp assemblies, can enter accommodating sky
Between in, operate it is convenient；On the one hand the setting of bayonet 28 can block spring 27, prevent spring 27 from deviating；On the one hand in clamping group
Spring 27 is hidden in the bayonet 28 when part is pressed onto bottom.Root 24 is curved-surface structure, the medial surface and hook formation 1 of curved-surface structure
Outer wall be close to setting, assign the appearance of electroscope head beauty of the present invention, and can be avoided seamed edge surprisingly to artificial at need not
The injury wanted.
As shown in Figure 1 to Figure 2, the second clamp structure 3 includes anti-bias arcs 31 and solid cylindrical structure 32, anti-bias arcs
31 one end is connect with solid cylindrical structure 32, and the other end is connected to the top of clamping part 22；Two groups of anti-bias arcs 31 are opposite to be set
It sets and is formed with the second accommodating space 33；When aerial condutor surprisingly deviates from electroscope, anti-bias arcs 31 can prevent aerial condutor
Deviate from the protection of electroscope；The setting of distance can prevent aerial lead between the top and hook formation 1 of solid cylindrical structure 32
Line, which enters inside electroscope head, to be retrodeviated into unnecessary place；The setting of anti-cheat arcs has the function of to exempt from card, press in clamping part 22
When to lowest point with body contact, anti-bias arcs 31 still have a certain distance between hook formation 1, to guarantee to pass through
The wire diameter of electroscope.Wherein, the distance between the top of solid cylindrical structure 32 and hook formation 1 are 3mm ~ 4mm.At present
It is steel-cored aluminium strand (LGJ type) 10/2, outer diameter 4.5mm, anti-bias arcs that the wire diameter of 10kV or more is the smallest on the market
31 is smaller than its outer diameter with main body distance, it is effectively prevent to enter partially to unnecessary place.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of universal electroscope head in all fronts, which is characterized in that including be built-in with hook part (11) hook formation (1) and
For fixing the clamp assemblies of aerial condutor, one end of the clamp assemblies is flexibly connected with hook formation (1), and the other end surrounds
The accommodating space with aerial condutor cooperation is formed, the clamp assemblies are set to hook part (11)；The end of the hook formation (1)
Equipped with the connecting pin (12) connecting with electroscope, top is equipped with the electrical verification that route three-phase electrical verification operation is carried out for of short duration contact
Portion (13).
2. the universal electroscope head in all fronts according to claim 1, which is characterized in that the clamp assemblies include the first folder
Structure (2) and the second clamp structure (3) are held, second clamp structure (3) is set to the top of the first clamp structure (2).
3. the universal electroscope head in all fronts according to claim 2, which is characterized in that the first clamp structure (2) packet
The clamping piece that two groups are oppositely arranged two-by-two and the first accommodating space (21) being formed between clamping piece are included, the clamping piece
The distance between distalmost end and hook formation (1) value are adjustable.
4. the universal electroscope head in all fronts according to claim 3, which is characterized in that the clamping piece includes being sequentially connected with
Clamping part (22), interconnecting piece (23) and root (24), one end of the interconnecting piece (23) is connect with clamping part (22), another
End is connect across hook formation (1) with root (24).
5. the universal electroscope head in all fronts according to claim 4, which is characterized in that the clamping part (22) sets for end face
There is the mushroom header structure of anti-skidding ripple, the clamping part (22) is detachably connected with interconnecting piece (23).
6. the universal electroscope head in all fronts according to claim 5, which is characterized in that the end of the clamping part (22) is set
Have T-type holding division (25), the interconnecting piece (23) is equipped with the T-slot (26) cooperated with T-type holding division (25).
7. the universal electroscope head in all fronts according to claim 4, which is characterized in that the interconnecting piece (23) is arranged with bullet
Spring (27), the clamping part (22) are equipped with bayonet (28)；One end of the spring (27) is set to clamping part (22) and hook formation
(1) junction, it is internal that the other end is placed in bayonet (28).
8. the universal electroscope head in all fronts according to claim 4, which is characterized in that the root (24) is curved surface knot
Structure, the medial surface of the curved-surface structure are close to setting with the outer wall of hook formation (1).
9. according to the universal electroscope head in the described in any item all fronts of claim 4 to 8, which is characterized in that second clamping
Structure (3) includes anti-bias arcs (31) and solid cylindrical structure (32), one end of the anti-bias arcs (31) and solid cylindrical
Structure (32) connection, the other end are connected to the top of clamping part (22)；Two groups of anti-bias arcs (31) are oppositely arranged and are formed with second
Accommodating space (33).
10. the universal electroscope head in all fronts according to claim 9, which is characterized in that the solid cylindrical structure (32)
Top and the distance between hook formation (1) be 3mm ~ 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268546.XA CN109212298B (en) | 2018-10-29 | 2018-10-29 | All-line universal electroscope head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268546.XA CN109212298B (en) | 2018-10-29 | 2018-10-29 | All-line universal electroscope head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109212298A true CN109212298A (en) | 2019-01-15 |
| CN109212298B CN109212298B (en) | 2023-08-01 |
Family
ID=64997630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811268546.XA Active CN109212298B (en) | 2018-10-29 | 2018-10-29 | All-line universal electroscope head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109212298B (en) |
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| CN206516782U (en) * | 2017-03-16 | 2017-09-22 | 湖南铁道职业技术学院 | Multi-purpose type electric power facility safety grounding device |
| CN207281107U (en) * | 2017-09-26 | 2018-04-27 | 广东电网有限责任公司江门供电局 | A kind of high-tension overhead line electroscope |
| CN207457332U (en) * | 2017-12-07 | 2018-06-05 | 广东电网有限责任公司佛山供电局 | A kind of Suspensible improves electroscope |
| CN108459196A (en) * | 2018-03-27 | 2018-08-28 | 广东电网有限责任公司 | A kind of electrical verification easy device |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2401999Y (en) * | 1999-12-11 | 2000-10-18 | 湖南省常德电业局 | Short circuit grounding wire with electricity detecting function |
| CN2789953Y (en) * | 2005-05-21 | 2006-06-21 | 赵国良 | Portable short-circuit grounding wire |
| CN201797066U (en) * | 2010-05-18 | 2011-04-13 | 王启新 | A grounding wire capable of secondary electrical testing |
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| CN207281107U (en) * | 2017-09-26 | 2018-04-27 | 广东电网有限责任公司江门供电局 | A kind of high-tension overhead line electroscope |
| CN207457332U (en) * | 2017-12-07 | 2018-06-05 | 广东电网有限责任公司佛山供电局 | A kind of Suspensible improves electroscope |
| CN108459196A (en) * | 2018-03-27 | 2018-08-28 | 广东电网有限责任公司 | A kind of electrical verification easy device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109212298B (en) | 2023-08-01 |
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