CN110492353A - 0.4kV switchs earthing or grounding means - Google Patents
0.4kV switchs earthing or grounding means Download PDFInfo
- Publication number
- CN110492353A CN110492353A CN201810462180.3A CN201810462180A CN110492353A CN 110492353 A CN110492353 A CN 110492353A CN 201810462180 A CN201810462180 A CN 201810462180A CN 110492353 A CN110492353 A CN 110492353A
- Authority
- CN
- China
- Prior art keywords
- terminals
- copper component
- earthing
- copper
- grounding means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000010949 copper Substances 0.000 claims abstract description 118
- 229910052802 copper Inorganic materials 0.000 claims abstract description 118
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to 0.4kV to switch earthing or grounding means, including the first terminals, the second terminals and third terminals；Wherein first terminals are connect with the second terminals；The third terminals are arranged among first terminals, the second terminals, connect with the first terminals, the second terminals；First terminals include the first copper piece handle, rectangular-ambulatory-plane copper component, connection bolt and the first operation stick；Wherein, the first copper piece handle is connect with the rectangular-ambulatory-plane copper component；The connection bolt passes through the rectangular-ambulatory-plane copper component and connect with first operation stick.0.4kV provided by the invention switchs earthing or grounding means, by the setting of the first terminals, the second terminals and third terminals, the scalable connection of earthing or grounding means is realized, operating space is increased, it avoids operator from accidentally touching remaining electrification position, eliminates security risk.
Description
Technical field
The present invention relates to power ground tool application fields, switch earthing or grounding means more particularly, to 0.4kV.
Background technique
Currently, common 0.4kV ground line use connects conductor side fitting three-phase and zero curve separates, ground side common ground pole
Form, install ground line when, connect conductor side fitting needs be individually attached installation with corresponding phase conductor.Now carry out in an all-round way
Using modular design 0.4kV switch-box, there are conforming equipment mounting process, beautification power supply unit and other effects, but exists and close inside case
The narrow problem in operating space connects the ground line of conductor side fitting three-phase and zero curve separate design when in use, because of operating space
It is narrow, it is difficult to operate and staff is easy accidentally to touch remaining electrification position, there are safety problems.
Summary of the invention
The present invention is that 0.4kV switch-box operating space is narrow in the prior art more than solving, it is difficult to operation and staff
It is easy accidentally to touch remaining electrification position, there are the technological deficiencies of safety problem, provide a kind of 0.4kV switch earthing or grounding means.
To realize the above goal of the invention, the technical solution adopted is that:
0.4kV switchs earthing or grounding means, including the first terminals, the second terminals and third terminals；Wherein first wiring
End is connect with the second terminals；The third terminals are arranged among first terminals, the second terminals, connect with first
Line end, the connection of the second terminals.
Wherein, first terminals include the first copper piece handle, rectangular-ambulatory-plane copper component, connection bolt and the first operation
Stick；Wherein, the first copper piece handle is connect with the rectangular-ambulatory-plane copper component；The connection bolt passes through the rectangular-ambulatory-plane copper structure
Part is connect with first operation stick.
Wherein, described device further includes third operation stick, is provided with fixture nut sleeve at the top of the third operation stick.
Wherein, second terminals include the second copper piece handle, " C " font copper component, connection bolt and the second operation
Stick；Wherein, the second copper piece handle is connect with " C " the font copper component；The connection bolt passes through described " C " font copper
Component is connect with second operation stick.
Wherein, the third terminals include hold-down head, positioning copper component, screw rod and fixture nut；Wherein, the compression
Head setting is in the screw tip, and in screw rod bottom end, the screw rod passes through the positioning copper component for the fixture nut setting, with
Position the connection of copper component；The third terminals are connected by the positioning copper component and first terminals, the second terminals
It connects.
Wherein, the positioning copper component is set as I-shaped structure.
Wherein, the positioning copper member center is provided with helicitic texture, corresponding with the helicitic texture on screw rod.
Wherein, connecting screw is provided on the hold-down head, the hold-down head is connect by connecting screw with the screw rod.
In above scheme, operator backs out the screw of rectangular-ambulatory-plane copper component side, takes out rectangular-ambulatory-plane copper component one
Side penetrates the positioning copper component of the second terminals, I-shaped structure among rectangular-ambulatory-plane copper component, then by rectangular-ambulatory-plane copper component
Again it installs；" C " font copper component is snapped into the positioning copper component of I-shaped structure by the second copper piece handle by operator
Centre, then the first copper piece handle of operation, the second copper piece handle compress rectangular-ambulatory-plane copper component, " C " font copper component simultaneously.
In above scheme, the rectangular-ambulatory-plane copper component on the first terminals is passed through by connection bolt, is connected with the first operation stick
It connects, A phase conductor is pressed between connection bolt and rectangular-ambulatory-plane copper component, be fixed on back A phase conductor by screwing connection bolt
On font copper component；" C " font copper component on the second terminals is passed through by connection bolt, is connect with the second operation stick, by C
Phase conductor is pressed between connection bolt and " C " font copper component, and C phase conductor is fixed on " C " font by screwing connection bolt
On copper component.
In above scheme, the screw rod for being provided with fixture nut is passed through positioning copper member center by operator, then passes through company
It connects screw hold-down head is connected on screw rod；Consolidating on third terminals is reversed by the fixture nut sleeve in third operation stick
Determine nut, since fixture nut is fixed on screw rod, so third terminals will rotate together with all over, screw rod is then in positioning copper
Moved on component, when hold-down head close to positioning copper component when, operator by B phase conductor be stuck in hold-down head and positioning copper component it
Between, finally hold-down head is tightened, B phase conductor is fixed on device；So far, device connection finishes, and is grounded by outside, i.e.,
The common ground connection of achievable three-phase conducting wire operates.
In above scheme, " C " font copper component on rectangular-ambulatory-plane copper component, the second terminals on the first terminals is limited
It makes in positioning copper component, the positioning copper component can slide on rectangular-ambulatory-plane copper component, and the wiring of staff is facilitated to grasp
Make.
Wherein, first operation stick, the second operation stick, third operation stick are provided with insulation handle.
Wherein, the first copper piece handle, be provided with insulating protective sleeve on the second copper piece handle.
In above scheme, the setting of insulate handle, insulating protective sleeve further ensures that operator does not touch remaining electrification accidentally
Position avoids electric shock phenomenon.
Wherein, ground hole is provided on the first copper piece handle.
In above scheme, by external earth lead by connecting earthing or grounding means the first copper piece handle of A, B, C phase conductor
On ground hole, connect with earthing or grounding means, realize A, B, C three-phase conducting wire while be grounded.
Compared with prior art, the beneficial effects of the present invention are:
0.4kV provided by the invention switchs earthing or grounding means, passes through setting for the first terminals, the second terminals and third terminals
It sets, realizes the scalable connection of earthing or grounding means, increase operating space, avoid operator from accidentally touching remaining electrification position, disappear
In addition to security risk.
Detailed description of the invention
Fig. 1 is that 0.4kV switchs grounding device constructions schematic diagram.
Fig. 2 is that 0.4kV switchs the first terminal structure of earthing or grounding means schematic diagram.
Fig. 3 is that 0.4kV switchs the second terminal structure of earthing or grounding means schematic diagram.
Fig. 4 is that 0.4kV switchs earthing or grounding means third terminal structure schematic diagram.
Fig. 5 is that 0.4kV switchs earthing or grounding means third operation stick structural schematic diagram.
Wherein: 1, the first terminals；2, the second terminals；3, third terminals；4, the first copper piece handle；5, rectangular-ambulatory-plane copper
Component；6, connection bolt；7, the first operation stick；8, the second copper piece handle；9, " C " font copper component；10, the second operation stick；11,
Hold-down head；12, copper component is positioned；13, screw rod；14, fixture nut；15, third operation stick；16, fixture nut sleeve；17, it connects
Ground hole.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5,0.4kV switchs earthing or grounding means, including the first terminals 1,2 and of the second terminals
Third terminals 3；Wherein first terminals 1 are connect with the second terminals 2；The third terminals 3 setting is described the
Among one terminals 1, the second terminals 2, it is connect with the first terminals 1, the second terminals 2.
More specifically, first terminals 1 include the first copper piece handle 4, rectangular-ambulatory-plane copper component 5, connection bolt 6 and the
One operation stick 7；Wherein, the first copper piece handle 4 is connect with the rectangular-ambulatory-plane copper component 5；The connection bolt 6 passes through described
Rectangular-ambulatory-plane copper component 5 is connect with first operation stick 7.
More specifically, described device further includes third operation stick 15, is provided with fixed spiral shell at the top of the third operation stick 15
Mother sleeve 16.
More specifically, second terminals 2 include the second copper piece handle 8, " C " font copper component 9,6 and of connection bolt
Second operation stick 10；Wherein, the second copper piece handle 8 is connect with " C " the font copper component 9；The connection bolt 6 passes through
" C " the font copper component 9 is connect with second operation stick 10.
More specifically, the third terminals 3 include hold-down head 11, positioning copper component 12, screw rod 13 and fixture nut 14；
Wherein, on 13 top of screw rod, the fixture nut 14 is arranged in 13 bottom end of screw rod, the screw rod for the setting of hold-down head 11
13 pass through the positioning copper component 12, connect with positioning copper component 12；The third terminals 3 pass through the positioning copper component 12
It is connect with first terminals 1, the second terminals 2.
More specifically, the positioning copper component 12 is set as I-shaped structure.
More specifically, the positioning copper component 12 is provided centrally with helicitic texture, corresponding with the helicitic texture on screw rod 13.
More specifically, be provided with connecting screw on the hold-down head 11, the hold-down head 11 by connecting screw with it is described
Screw rod 13 connects.
In the specific implementation process, operator backs out the screw of 5 side of rectangular-ambulatory-plane copper component, takes out rectangular-ambulatory-plane copper structure
5 a line of part penetrates the positioning copper component 12 of the second terminals 2, I-shaped structure among rectangular-ambulatory-plane copper component 5, then will
Rectangular-ambulatory-plane copper component 5 installs again；" C " font copper component 9 is snapped into I-shaped knot by the second copper piece handle 8 by operator
Among the positioning copper component 12 of structure, then the first copper piece handle 4, the second copper piece handle 8 are operated simultaneously by rectangular-ambulatory-plane copper component 5, " C "
Font copper component 9 compresses.
In the specific implementation process, the rectangular-ambulatory-plane copper component 5 on the first terminals 1 is passed through by connection bolt 6, with first
Operation stick 7 connects, and A phase conductor is pressed between connection bolt 6 and rectangular-ambulatory-plane copper component 5, by screwing connection bolt 6 for A phase
Conducting wire is fixed on rectangular-ambulatory-plane copper component 5；" C " font copper component 9 on the second terminals 2 is passed through by connection bolt 6, with the
The connection of two operation sticks 10, C phase conductor is pressed between connection bolt 6 and " C " font copper component 9, will by screwing connection bolt 6
C phase conductor is fixed on " C " font copper component 9.
In the specific implementation process, operator passes through the screw rod 13 for being provided with fixture nut 14 in positioning copper component 12
The heart, then hold-down head 11 is connected on screw rod 13 by connecting screw；Pass through the fixture nut sleeve 16 in third operation stick 15
The fixture nut 14 on third terminals 3 is reversed, since fixture nut 14 is fixed on screw rod 13, so third terminals 3 are whole
A all to rotate together with, screw rod 13 then moves on positioning copper component 12, when hold-down head 11 is close to positioning copper component 12, operation
B phase conductor is stuck between hold-down head 11 and positioning copper component 12 by personnel, finally tightens hold-down head 11, B phase conductor is fixed
On device；So far, device connection finishes, and is grounded by outside, and the common ground connection operation of three-phase conducting wire can be completed.
" C " font copper component 9 on rectangular-ambulatory-plane copper component 5, the second terminals 2 in above scheme, on the first terminals 1
It is limited in positioning copper component 12, the positioning copper component 12 can slide on rectangular-ambulatory-plane copper component 5, facilitate staff
Patching operations.
More specifically, first operation stick 7, the second operation stick 10, third operation stick 15 are provided with insulation handle.
More specifically, the first copper piece handle 4, be provided with insulating protective sleeve on the second copper piece handle 8.
In the specific implementation process, the setting of insulation handle, insulating protective sleeve further ensures that operator does not touch it accidentally
Remaining electrification position avoids electric shock phenomenon.
More specifically, ground hole 17 is provided on the first copper piece handle 4.
In the specific implementation process, by external earth lead by connecting the first bronze medal of earthing or grounding means of A, B, C phase conductor
Ground hole 17 on part handle 4, connect with earthing or grounding means, is grounded while realizing A, B, C three-phase conducting wire.
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)
1.0.4kV earthing or grounding means is switched, it is characterised in that: including the first terminals (1), the second terminals (2) and third wiring
It holds (3)；Wherein first terminals (1) connect with the second terminals (2)；The third terminals (3) setting is described the
One terminals (1), the second terminals (2) are intermediate, connect with the first terminals (1), the second terminals (2).
2. 0.4kV according to claim 1 switchs earthing or grounding means, it is characterised in that: first terminals (1) include the
One copper piece handle (4), rectangular-ambulatory-plane copper component (5), connection bolt (6) and the first operation stick (7)；Wherein, the first copper piece handle
Hand (4) is connect with the rectangular-ambulatory-plane copper component (5)；The connection bolt (6) passes through the rectangular-ambulatory-plane copper component (5) and institute
State the first operation stick (7) connection.
3. 0.4kV according to claim 2 switchs earthing or grounding means, it is characterised in that: further include third operation stick (15), institute
It states and is provided with fixture nut sleeve (16) at the top of third operation stick (15).
4. 0.4kV according to claim 3 switchs earthing or grounding means, it is characterised in that: second terminals (2) include the
Two copper piece handles (8), " C " font copper component (9), connection bolt (6) and the second operation stick (10)；Wherein, second copper piece
Handle (8) is connect with " C " the font copper component (9)；The connection bolt (6) passes through " C " font copper component (9) and institute
State the second operation stick (10) connection.
5. 0.4kV according to claim 4 switchs earthing or grounding means, it is characterised in that: the third terminals (3) include pressure
Tight head (11), positioning copper component (12), screw rod (13) and fixture nut (14)；Wherein, the hold-down head (11) is arranged described
Screw rod (13) top, in screw rod (13) bottom end, the screw rod (13) passes through the positioning copper structure for fixture nut (14) setting
Part (12) is connect with positioning copper component (12)；The third terminals (3) pass through the positioning copper component (12) and described first
Terminals (1), the second terminals (2) connection.
6. 0.4kV according to claim 4 switchs earthing or grounding means, it is characterised in that: positioning copper component (12) setting
For I-shaped structure.
7. 0.4kV according to claim 4 switchs earthing or grounding means, it is characterised in that: first operation stick (7), second
Operation stick (10), third operation stick (15) are provided with insulation handle.
8. 0.4kV according to claim 4 switchs earthing or grounding means, it is characterised in that: the first copper piece handle (4), the
Insulating protective sleeve is provided on two copper piece handles (8).
9. 0.4kV according to claim 4 switchs earthing or grounding means, it is characterised in that: set on the first copper piece handle (4)
It is equipped with ground hole (17).
10. 0.4kV according to claim 4 switchs earthing or grounding means, it is characterised in that: be provided on the hold-down head (11)
Connecting screw, the hold-down head (11) are connect by connecting screw with the screw rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462180.3A CN110492353A (en) | 2018-05-15 | 2018-05-15 | 0.4kV switchs earthing or grounding means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462180.3A CN110492353A (en) | 2018-05-15 | 2018-05-15 | 0.4kV switchs earthing or grounding means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110492353A true CN110492353A (en) | 2019-11-22 |
Family
ID=68545276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810462180.3A Pending CN110492353A (en) | 2018-05-15 | 2018-05-15 | 0.4kV switchs earthing or grounding means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110492353A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1172751B (en) * | 1963-01-22 | 1964-06-25 | Alois Schiffmann Dipl Kfm | Star point for several lines, especially for a three-phase earthing device |
| AT239895B (en) * | 1963-01-22 | 1965-04-26 | Alois Dipl Kfm Schiffmann | Star point for several lines, especially for a three-phase earthing device |
| US5094622A (en) * | 1991-06-17 | 1992-03-10 | Electric Motion Company, Incorporated | Cable rack bond clamp |
| JP2004206962A (en) * | 2002-12-24 | 2004-07-22 | Nippei Toyama Corp | Grounded circuit and wiring duct in mechanical equipment |
| JP2009302024A (en) * | 2008-06-17 | 2009-12-24 | Sumitomo Wiring Syst Ltd | Laminated ground terminal |
| CN103884182A (en) * | 2014-04-16 | 2014-06-25 | 江苏藤仓亨通光电有限公司 | Copper head recovery device and using method thereof |
| DE202015103137U1 (en) * | 2015-06-15 | 2015-06-25 | Lisa Dräxlmaier GmbH | Mass distributor, cable set with a ground distributor and vehicle with a cable set |
| KR20160024248A (en) * | 2014-08-25 | 2016-03-04 | 현대자동차주식회사 | Assembling structure of earth terminal |
| CN208174011U (en) * | 2018-05-15 | 2018-11-30 | 广东电网有限责任公司 | 0.4kV switchs earthing or grounding means |
-
2018
- 2018-05-15 CN CN201810462180.3A patent/CN110492353A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1172751B (en) * | 1963-01-22 | 1964-06-25 | Alois Schiffmann Dipl Kfm | Star point for several lines, especially for a three-phase earthing device |
| AT239895B (en) * | 1963-01-22 | 1965-04-26 | Alois Dipl Kfm Schiffmann | Star point for several lines, especially for a three-phase earthing device |
| US5094622A (en) * | 1991-06-17 | 1992-03-10 | Electric Motion Company, Incorporated | Cable rack bond clamp |
| JP2004206962A (en) * | 2002-12-24 | 2004-07-22 | Nippei Toyama Corp | Grounded circuit and wiring duct in mechanical equipment |
| JP2009302024A (en) * | 2008-06-17 | 2009-12-24 | Sumitomo Wiring Syst Ltd | Laminated ground terminal |
| CN103884182A (en) * | 2014-04-16 | 2014-06-25 | 江苏藤仓亨通光电有限公司 | Copper head recovery device and using method thereof |
| KR20160024248A (en) * | 2014-08-25 | 2016-03-04 | 현대자동차주식회사 | Assembling structure of earth terminal |
| DE202015103137U1 (en) * | 2015-06-15 | 2015-06-25 | Lisa Dräxlmaier GmbH | Mass distributor, cable set with a ground distributor and vehicle with a cable set |
| CN208174011U (en) * | 2018-05-15 | 2018-11-30 | 广东电网有限责任公司 | 0.4kV switchs earthing or grounding means |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208736907U (en) | One kind, which does not power off, changes watt-hour meter device | |
| CN208174011U (en) | 0.4kV switchs earthing or grounding means | |
| CN108922818A (en) | Disconnecting switch and electric pole component | |
| CN202423590U (en) | 750kV high-reliability grounding wire device | |
| CN108521079A (en) | A kind of novel distribution cabinet earth plate | |
| CN204067175U (en) | The high-pressure vacuum switch pole of a kind of pair of leading-out terminal | |
| CN201781227U (en) | Multifunctional operating rod for power distribution | |
| CN203205870U (en) | Single phase grounding protection switch cabinet | |
| CN110492353A (en) | 0.4kV switchs earthing or grounding means | |
| CN108680840A (en) | A kind of insulation test device for 110kV three-phase non-segregated bus | |
| CN205595543U (en) | Soft high -pressure connection bus | |
| CN105846195B (en) | Wiring device with grounding connector for electrical distribution box | |
| CN203312479U (en) | Clamp-type grounding line with electroscopes | |
| CN211905430U (en) | Auxiliary grounding device for line parameter test | |
| CN209658073U (en) | Gas-insulated switch attachment device and gas-insulated switch | |
| CN103545686B (en) | Ground wire device special for low voltage work | |
| CN209993461U (en) | Quick wiring installation type transformer | |
| CN203811635U (en) | Cable insulation test fixture | |
| CN204243590U (en) | A kind of drawer unit of drawout cubicle | |
| CN206758666U (en) | A kind of multi-purpose portable combines grounding wire device | |
| CN204834474U (en) | Isolator's earthing knife -switch connecting device | |
| CN204067876U (en) | A kind of high-pressure vacuum switch of cutter with ground | |
| CN205384960U (en) | Convenient type 10kV breaking of contact non -loaded line way safe operation instrument | |
| CN205565031U (en) | Novel special earth connection of looped netowrk cabinet cable | |
| CN209730387U (en) | Fast insert-pull cable intermediate joint with arc eliminator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |