CN206038728U - Power -frequency withstand voltage testing transformer insulator spindle - Google Patents
Power -frequency withstand voltage testing transformer insulator spindle Download PDFInfo
- Publication number
- CN206038728U CN206038728U CN201621070970.XU CN201621070970U CN206038728U CN 206038728 U CN206038728 U CN 206038728U CN 201621070970 U CN201621070970 U CN 201621070970U CN 206038728 U CN206038728 U CN 206038728U
- Authority
- CN
- China
- Prior art keywords
- rod
- conductively connected
- testing transformer
- withstand voltage
- insulation body
- 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.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 239000012212 insulator Substances 0.000 title abstract 3
- 238000009413 insulation Methods 0.000 claims description 64
- 239000004020 conductor Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008029 eradication Effects 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- WABPQHHGFIMREM-NOHWODKXSA-N lead-200 Chemical compound [200Pb] WABPQHHGFIMREM-NOHWODKXSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a power -frequency withstand voltage testing transformer insulator spindle, insulating telescopic link including hollow structure, the rear end of insulating telescopic link is equipped with and is used for drawing forth the first electrically conductive connector that the end is connected with testing transformer's high pressure, the front end of insulating telescopic link is equipped with the electrically conductive connector of the second that is used for and tests pin connection, the inside of insulating telescopic link is equipped with electrically conductive, electrically conductive rear end with first electrically conductive connector is connected, electrically conductive front end with the electrically conductive connector of second is connected. Power -frequency withstand voltage testing transformer insulator spindle, the high pressure of adjusting testing transformer through the length of adjusting insulating telescopic link draw forth the height of end, effectively have sufficient safe distance between assurance test lead wire and the cubical switchboard cabinet body, and easy operation can be applied to the cubical switchboard of different specifications, test the application scope guangZhou to awaiting measuring of different mounting heights.
Description
Technical field
The utility model is related to electrical equipment technical field, more particularly to a kind of industrial frequency withstand voltage testing transformer insulating bar.
Background technology
The manufacturer of 10kV switch cubicles is numerous, but the 10kV switch cabinet structures that produced of each producer, size are different,
And the setting height(from bottom) of the part to be measured in 10kV switch cubicles such as vacuum switch is also not quite similar.Work is carried out to the part to be measured such as vacuum switch
During frequency pressure test, often than relatively low, the high pressure exit of part to be measured and testing transformer is by examination for the height of testing transformer
When testing lead connection, it may appear that the high-voltage connection situation inadequate with the safe distance of switch cabinet body.Traditional, using insulating cord
Binding high-voltage connection, and then the distance of high-voltage connection and switch cabinet body is pulled open, to ensure enough safe distances.But, adopt
In fashion described above, operate complex.
The content of the invention
Based on this, the utility model is the defect for overcoming prior art, there is provided one kind can ensure that test lead
There is between switch cabinet body enough safe distances, industrial frequency withstand voltage testing transformer simple to operate, applied widely is exhausted
Edge bar.
Its technical scheme is as follows：
A kind of industrial frequency withstand voltage testing transformer insulating bar, including the insulating telescopic bar of hollow structure, the insulating telescopic bar
Rear end be provided with and be conductively connected head for the high pressure exit with testing transformer is connected first, before the insulating telescopic bar
End is provided with second for being connected with test lead and is conductively connected head, and the inside of the insulating telescopic bar is provided with electric-conductor, described
The rear end of electric-conductor is conductively connected head with described first and is connected, and the front end of the electric-conductor is conductively connected head company with described second
Connect.
Wherein in one embodiment, described first be conductively connected head be provided with for install alternate conductivity line first peace
Piece installing, described second is conductively connected head is provided with for installing the second installed part of alternate conductivity line.
Wherein in one embodiment, first installed part is wire clamp or fixing screws, and second installed part is line
Folder or fixing screws.
Wherein in one embodiment, the insulating telescopic bar includes at least two eradication edge bodies of rod, and the insulation body of rod is
Hollow structure, described first is conductively connected the rear end that head is arranged on the insulation body of rod of rearmost, and described second is conductively connected
Head is arranged on the front end of the insulation body of rod of forefront, and the external diameter of the insulation body of rod being located behind is more than positioned at front
The external diameter of the insulation body of rod, between the adjacent insulation body of rod, the front end of the insulation body of rod being located behind is provided with first
Securing member, the rear end positioned at the insulation body of rod in front are provided with the second securing member, and the insulating bar body positioned at front can
The inside of the insulation body of rod being located behind is contracted in, when the insulation body of rod positioned at front stretches out, second fastening
Part and first appended claims, make the insulation body of rod positioned at front fix with the insulation body of rod being located behind.
Wherein in one embodiment, first securing member is arranged on the inwall of the insulation body of rod, and described first
Securing member is buffering spacer；Second securing member is arranged on the outer wall of the insulation body of rod, and second securing member is slow
Rush pad.
Wherein in one embodiment, the insulating telescopic bar includes the body of rod that insulate described in 4-6 roots, per insulating bar described in root
The length of body is 250mm-350mm.
Wherein in one embodiment, the front end of the insulation body of rod of rearmost is provided with the first external screw thread, and described second
Head is conductively connected for capping structure, described second is conductively connected the opening of head towards rear, described second is conductively connected on head and sets
There is the first internal thread matched with first external screw thread, when the insulating telescopic bar is contraction state, rotation described second is led
Electrical connector makes the insulation body of rod of forefront and the insulation body of rod screw-threaded coupling of rearmost.
Wherein in one embodiment, described second is conductively connected in the middle part of head and is provided with installation through-hole, the installation through-hole
Front portion be used for the test lead is installed, the rear portion of the installation through-hole is provided with the second internal thread, the insulation of forefront
The front end of the body of rod is provided with fixed bolt, and the fixed bolt is provided with the second external screw thread matched with second internal thread, institute
State fixed bolt and head cooperation is conductively connected with described second, make described second to be conductively connected head installed in the insulating telescopic bar
On, the front end of the electric-conductor is connected with the fixed bolt.
Wherein in one embodiment, described first is conductively connected head is provided with screwed hole, the height of the testing transformer
Pressure exit is arranged in the screwed hole.
Wherein in one embodiment, the electric-conductor is conductor wire or the flexible conduction matched with the insulating telescopic bar
Bar.
The beneficial effects of the utility model are：
During the industrial frequency withstand voltage testing transformer insulating bar onsite application, the first of insulating telescopic rod rear end is conductively connected
Head is connected with the high pressure exit of testing transformer, and the length for adjusting insulating telescopic bar makes its peace with part to be measured during field test
One end of test lead is arranged on the second of insulating telescopic bar front end and is conductively connected on head by dress matched, test lead
The other end is connected with part to be measured, then the high pressure exit of testing transformer can by first be conductively connected head, electric-conductor, second
It is conductively connected head and test lead is realized being connected with part to be measured.The industrial frequency withstand voltage testing transformer insulating bar, by adjusting
The length of insulating telescopic bar carrys out the height of the high pressure exit of Adjustment Tests transformer, can effectively ensure that test lead with switch
There is between cabinet cabinet enough safe distances, it is simple to operate, can be applicable in the switch cubicle of different size, install high to different
The part to be measured of degree is tested, applied widely.
Description of the drawings
Fig. 1 is the structural representation of the industrial frequency withstand voltage testing transformer insulating bar described in the utility model embodiment；
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1；
Fig. 3 is the mplifying structure schematic diagram at B in Fig. 1；
Fig. 4 is the mplifying structure schematic diagram at C in Fig. 1；
Fig. 5 is the mplifying structure schematic diagram at D in Fig. 1.
Description of reference numerals：
10th, insulating telescopic bar, 11, the insulation body of rod, the 12, first securing member, the 13, second securing member, 14, fixed bolt, 15,
First external screw thread, 20, first is conductively connected head, the 21, first installed part, and 22, screwed hole, 30, second is conductively connected head, and 31,
Two installed parts, 32, installation through-hole, the 33, first internal thread, 100, testing transformer, 110, high pressure exit, 200, test draws
Line, 300, alternate conductivity line.
Specific embodiment
Below embodiment of the present utility model is described in detail：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of industrial frequency withstand voltage testing transformer insulating bar, including the insulating telescopic of hollow structure
Bar 10, the rear end of the insulating telescopic bar 10 is provided with leads for the high pressure exit 110 with testing transformer 100 is connected first
Electrical connector 20, the front end of the insulating telescopic bar 10 are provided with second for being connected with test lead 200 and are conductively connected 30,
The inside of the insulating telescopic bar 10 is provided with electric-conductor (not shown), and the rear end of the electric-conductor is conductive with described first even
Joint 20 connects, and the front end of the electric-conductor is conductively connected 30 with described second and is connected.In the present embodiment, the electric-conductor is
Conductor wire or the flexible conducting rod matched with the insulating telescopic bar 10, simple structure are capable of achieving conducting function so that test becomes
The high pressure exit 110 of depressor 100 can be connected with part to be measured.In the present embodiment, the test lead 200 is high-voltage connection.
Described first is conductively connected 20 is provided with screwed hole 22, and the high pressure exit 110 of the testing transformer 100 is arranged on described
In screwed hole 22, the mode that the high pressure exit 110 of testing transformer 100 is threaded connection is conductively connected head installed in first
On 20, install convenient.
During the industrial frequency withstand voltage testing transformer insulating bar onsite application, by the first conduction of 10 rear end of insulating telescopic bar even
Joint 20 is connected with the high pressure exit 110 of testing transformer 100, and the length for adjusting insulating telescopic bar 10 makes itself and field test
When part to be measured setting height(from bottom) matching, by one end of test lead 200 be arranged on 10 front end of insulating telescopic bar second it is conductive even
On joint 30, the other end of test lead 200 is connected with part to be measured, then the high pressure exit 110 of testing transformer 100 can be logical
Cross first be conductively connected a 20, electric-conductor, second be conductively connected 30 and test lead 200 realize being connected with part to be measured.Institute
Industrial frequency withstand voltage testing transformer insulating bar is stated, by the length of insulating telescopic bar 10 being adjusted come the height of Adjustment Tests transformer 100
The height of pressure exit 110, can effectively ensure that,
It is simple to operate, can be applicable in the switch cubicle of different size, the part to be measured of different setting height(from bottom)s is tested, the scope of application
Extensively.
Further, described first 20 are conductively connected it are provided with for installing the first installed part of alternate conductivity line 300
21, described second is conductively connected 30 is provided with for installing the second installed part 31 of alternate conductivity line 300.Using above-mentioned knot
One end of alternate conductivity line 300, when the electric-conductor inside the insulating telescopic bar 10 breaks down, can be installed by structure installed in first
On part 21, the other end of alternate conductivity line 300 is arranged on the second installed part 31, you can realize the function of electric-conductor, is continued
Part to be measured is tested.In the present embodiment, first installed part 21 is wire clamp or fixing screws, second installed part 31
For wire clamp or fixing screws, it is wire clamp that the first installed part 21 is illustrated in accompanying drawing, and the second installed part 31 is the feelings of fixing screws
Shape.Specifically, when using wire clamp, the end of alternate conductivity line 300 can be directly installed on wire clamp and be clamped by wire clamp
；When using fixing screws, the alternate conductivity line 300 with chuck can be adopted, the chuck of alternate conductivity line 300 is clipped in
In fixing screws.Using said structure, 31 simple structure of the first installed part 21 and the second installed part, alternate conductivity line 300
It is easy for installation.
Further, as shown in Figure 1, Figure 4, Figure 5, the insulating telescopic bar 10 includes at least two eradication edge bodies of rod 11, institute
It is hollow structure to state the insulation body of rod 11, described first be conductively connected 20 be arranged on the insulation body of rod 11 of rearmost after
End, described second is conductively connected the front end of the 30 insulation bodies of rod 11 for being arranged on forefront, the insulation being located behind
External diameter of the external diameter of the body of rod 11 more than the insulation body of rod 11 positioned at front, between the adjacent insulation body of rod 11, after being located at
The front end of the insulation body of rod 11 of side is provided with the first securing member 12, is provided with the positioned at the rear end of the insulation body of rod 11 in front
Two securing members 13, the insulation body of rod 11 positioned at front can be contracted in the inside of the insulation body of rod 11 being located behind,
When the insulation body of rod 11 positioned at front stretches out, second securing member 13 is coordinated with first securing member 12, makes to be located at
The insulation body of rod 11 in front is fixed with the insulation body of rod 11 being located behind.Using said structure, at least two thoroughly do away with edge
The body of rod 11 cooperatively forms the insulating telescopic bar 10 of the present embodiment, and it is convenient to stretch, simple structure.
In the present embodiment, first securing member 12 is arranged on the inwall of the insulation body of rod 11, first fastening
Part 12 is buffering spacer；Second securing member 13 is arranged on the outer wall of the insulation body of rod 11, second securing member 13
For buffering spacer.Specifically, the buffering spacer can be rubber sheet gasket, PC pads or resin pad etc..Using said structure,
On the one hand, coordinated with the second securing member 13 on corresponding outer wall by the first securing member 12 on inwall, be capable of achieving adjacent exhausted
Fixation between the edge body of rod 11；On the other hand, by way of being frictionally secured using buffering spacer, can also play buffering, prevent
The effect of abrasion, it is to avoid friction directly occurs when stretching between the adjacent insulation body of rod 11, it is to avoid the insulation body of rod 11 is damaged.This
In embodiment, the insulating telescopic bar 10 includes the body of rod 11 that insulate described in 4-6 roots, preferably includes 5 insulation bodies of rod 11；Often
Described in root, the length of the insulation body of rod 11 is 250mm-350mm, is 300mm preferably per the length of the body of rod 11 that insulate described in root.Using
Above-mentioned setting, radical and the length of the body of rod 11 that insulate arrange relatively reasonable, disclosure satisfy that field test demand, and length adjustment side
Just, the part to be measured of different setting height(from bottom)s can be tested, simple operation.
In the present embodiment, as shown in Fig. 1, Fig. 3, Fig. 5, the front end of the insulation body of rod 11 of rearmost is provided with the first outer spiral shell
Line 15, described second to be conductively connected 30 be capping structure, and described second is conductively connected 30 opening towards rear, described the
Two are conductively connected 30 is provided with the first internal thread 33 matched with first external screw thread 15, and the insulating telescopic bar 10 is to receive
During contracting state, rotation described second is conductively connected 30 and makes the insulation body of rod 11 of forefront and the insulating bar of rearmost
11 screw-threaded coupling of body.In the present embodiment, the first securing member 12 of 11 front end of the insulation body of rod of rearmost stretches out the insulation
The body of rod 11, first external screw thread 15 are arranged on the extension of first securing member 12, and it is convenient to arrange.Using above-mentioned knot
When structure, contraction state when the insulating telescopic bar 10 of the present embodiment is not to use, being conductively connected 30 by rotation second can
Make second to be conductively connected 30 to be connected with the insulation body of rod 11 of rearmost, and then insulating telescopic bar 10 is consolidated when not using
It is fixed, it is easy to the storage of insulating telescopic bar 10.
In the present embodiment, as shown in Figure 1, Figure 3, described second it is conductively connected 30 middle part and is provided with installation through-hole 32, institute
The front portion for stating installation through-hole 32 is used to install the test lead 200, and the rear portion of the installation through-hole 32 is provided with the second internal thread,
The front end of the insulation body of rod 11 of forefront is provided with fixed bolt 14, the fixed bolt 14 be provided with described second in spiral shell
Second external screw thread of line matching, the fixed bolt 14 are conductively connected 30 cooperation with described second, make second conduction even
Joint 30 is arranged on the insulating telescopic bar 10, and the front end of the electric-conductor is connected with the fixed bolt 14.Using above-mentioned
Structure, the front end of electric-conductor are conductively connected 30 with second by fixed bolt 14 and be connecteds, and test lead 200 is by insertion installation
It is capable of achieving to install in through hole 32.Also, the insulation body of rod 11 of forefront is led with second by fixed bolt 14 thereon
Electrical connector 30 realizes threaded connection, and install convenient, connection are reliable.
Each technical characteristic of embodiment described above arbitrarily can be combined, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, some deformations and improvement can also be made, these belong to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be defined by claims.
Claims (10)
1. a kind of industrial frequency withstand voltage testing transformer insulating bar, it is characterised in that including the insulating telescopic bar of hollow structure, it is described absolutely
The rear end of edge expansion link is provided with and is conductively connected head for the high pressure exit with testing transformer is connected first, and the insulation is stretched
The front end of contracting bar is provided with second for being connected with test lead and is conductively connected head, and the inside of the insulating telescopic bar is provided with conduction
Part, the rear end of the electric-conductor are conductively connected head with described first and are connected, and the front end of the electric-conductor is conductive with described second even
Joint connects.
2. industrial frequency withstand voltage testing transformer insulating bar according to claim 1, it is characterised in that described first is conductively connected
Head is provided with for installing the first installed part of alternate conductivity line, and described second is conductively connected head is provided with for installing standby leading
Second installed part of electric wire.
3. industrial frequency withstand voltage testing transformer insulating bar according to claim 2, it is characterised in that first installed part is
Wire clamp or fixing screws, second installed part are wire clamp or fixing screws.
4. industrial frequency withstand voltage testing transformer insulating bar according to claim 1, it is characterised in that the insulating telescopic bar bag
At least two eradication edge bodies of rod are included, the insulation body of rod is hollow structure, and described first is conductively connected the institute that head is arranged on rearmost
The rear end of the insulation body of rod is stated, described second is conductively connected the front end that head is arranged on the insulation body of rod of forefront, is located behind
The insulation body of rod external diameter more than positioned at front the insulation body of rod external diameter, it is adjacent it is described insulation the body of rod between, position
The first securing member is provided with the front end of the insulation body of rod at rear, the rear end positioned at the insulation body of rod in front is provided with second
Securing member, the insulating bar body positioned at front can be contracted in the inside of the insulation body of rod being located behind, positioned at front
Insulation body of rod when stretching out, second securing member and first appended claims make the insulation positioned at front
The body of rod is fixed with the insulation body of rod being located behind.
5. industrial frequency withstand voltage testing transformer insulating bar according to claim 4, it is characterised in that first securing member sets
Put on the inwall of the insulation body of rod, first securing member is buffering spacer；Second securing member is arranged on described exhausted
On the outer wall of the edge body of rod, second securing member is buffering spacer.
6. industrial frequency withstand voltage testing transformer insulating bar according to claim 4, it is characterised in that the insulating telescopic bar bag
The body of rod that insulate described in 4-6 roots is included, is 250mm-350mm per the length of the body of rod that insulate described in root.
7. industrial frequency withstand voltage testing transformer insulating bar according to claim 4, it is characterised in that the insulation of rearmost
The front end of the body of rod is provided with the first external screw thread, and described second is conductively connected head for capping structure, and described second is conductively connected opening for head
Towards rear, described second is conductively connected head is provided with the first internal thread matched with first external screw thread, the insulation to mouth
When expansion link is contraction state, rotation described second is conductively connected head makes the insulation body of rod of forefront described with rearmost
Insulation body of rod screw-threaded coupling.
8. industrial frequency withstand voltage testing transformer insulating bar according to claim 7, it is characterised in that described second is conductively connected
The middle part of head is provided with installation through-hole, and the front portion of the installation through-hole is used to install the test lead, after the installation through-hole
Portion is provided with the second internal thread, and the front end of the insulation body of rod of forefront is provided with fixed bolt, the fixed bolt be provided with
Second external screw thread of second internal thread matching, the fixed bolt are conductively connected head cooperation with described second, make described the
Two are conductively connected head on the insulating telescopic bar, and the front end of the electric-conductor is connected with the fixed bolt.
9. the industrial frequency withstand voltage testing transformer insulating bar according to any one of claim 1-8, it is characterised in that described first
It is conductively connected head and is provided with screwed hole, the high pressure exit of the testing transformer is arranged in the screwed hole.
10. the industrial frequency withstand voltage testing transformer insulating bar according to any one of claim 1-8, it is characterised in that described to lead
Electric part is conductor wire or the flexible conducting rod matched with the insulating telescopic bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070970.XU CN206038728U (en) | 2016-09-21 | 2016-09-21 | Power -frequency withstand voltage testing transformer insulator spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070970.XU CN206038728U (en) | 2016-09-21 | 2016-09-21 | Power -frequency withstand voltage testing transformer insulator spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038728U true CN206038728U (en) | 2017-03-22 |
Family
ID=58296279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621070970.XU Expired - Fee Related CN206038728U (en) | 2016-09-21 | 2016-09-21 | Power -frequency withstand voltage testing transformer insulator spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345974A (en) * | 2017-06-23 | 2017-11-14 | 国网河南省电力公司电力科学研究院 | A kind of new test operation junction pole |
| CN112415272A (en) * | 2020-12-04 | 2021-02-26 | 国家电网有限公司 | Outdoor power equipment detects maintenance device |
-
2016
- 2016-09-21 CN CN201621070970.XU patent/CN206038728U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345974A (en) * | 2017-06-23 | 2017-11-14 | 国网河南省电力公司电力科学研究院 | A kind of new test operation junction pole |
| CN112415272A (en) * | 2020-12-04 | 2021-02-26 | 国家电网有限公司 | Outdoor power equipment detects maintenance device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206038728U (en) | Power -frequency withstand voltage testing transformer insulator spindle | |
| CN208188154U (en) | Ultrasound partial discharge test fixture | |
| CN203616429U (en) | Voltage test apparatus | |
| CN205646216U (en) | Insulation is tested denso and is established earth connection auxiliary rod | |
| CN208112103U (en) | A kind of drainage thread ground connection cross-arm | |
| CN110927533B (en) | Test device for measuring surface discharge characteristics of high-voltage direct-current sleeve core material | |
| CN106054044A (en) | Insulation test device for gas filled tank | |
| CN209117796U (en) | A kind of cable intermediate joint electric performance test tooling | |
| CN208173834U (en) | Portable grounding wire | |
| CN203365519U (en) | Sampling device for high-voltage bushing electrified detection test | |
| CN105552597A (en) | Clamping type grounding rod | |
| CN215866885U (en) | Digital bridge device for high-reliability cable detection | |
| CN204719137U (en) | Binding clip and loop resistance proving installation | |
| CN205067667U (en) | Experimental frock of combined type combined electrical apparatus | |
| CN205230671U (en) | Clavate suspension insulator | |
| CN206671475U (en) | Corona-proof cable attachment structure and high-tension cable oscillation wave partial discharge test system | |
| CN207269056U (en) | A kind of grounded screen continuity test jointing clamp | |
| CN207586260U (en) | Cable apparatus for examination and repair | |
| CN209298370U (en) | A kind of electric wire connector | |
| CN208547655U (en) | Electric wire wire clamp | |
| CN207320381U (en) | A kind of automobile charging pile insulated terminal | |
| CN106935992A (en) | Can fast-wiring electrical power wiring device | |
| CN207459209U (en) | A kind of Novel connecting ground wire clamp device | |
| CN205790527U (en) | NEW TYPE OF COMPOSITE silicone rubber E molded cannula test plug | |
| CN205691615U (en) | Current transformer end shield wire clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 |