CN109148126A - A kind of transformer pile head snap connectors - Google Patents
A kind of transformer pile head snap connectors Download PDFInfo
- Publication number
- CN109148126A CN109148126A CN201811256803.8A CN201811256803A CN109148126A CN 109148126 A CN109148126 A CN 109148126A CN 201811256803 A CN201811256803 A CN 201811256803A CN 109148126 A CN109148126 A CN 109148126A
- Authority
- CN
- China
- Prior art keywords
- bracket
- pile head
- transformer pile
- snap connectors
- lockhole
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A kind of transformer pile head snap connectors.It is related to power test fixture more particularly to a kind of snap connectors of for transformer pile crown.It is simple to provide a kind of structure, it is easy to connect, the transformer pile head snap connectors of testing efficiency can be improved.Including measurement terminal, copper braid over braid and bracket, the measurement terminal is plate-like, the measurement terminal is from left to right successively arranged lockhole one, location hole and lockhole two, the lockhole one is connected with location hole, the bracket fixation is located at positioning hole, the top of the bracket is equipped with test interface one, and lower part is equipped with test interface two.The configuration of the present invention is simple, easy to connect, contact is good, reduces unnecessary lead and tears open and take work, effectively increases working efficiency.
Description
Technical field
The present invention relates to power test fixture more particularly to a kind of snap connectors of for transformer pile crown.
Background technique
Distribution transformer measurement is one of distribution fortune inspection routine work, mainly includes insulation resistance, DC measurement, change is surveyed
The examination line mode of connection is frequent, and running transformer will also carry out safety measure in addition, tears open, takes high-low voltage leads, average every
Platform transformer measures the work used time at least 20 minutes.As rate of qualified voltage management in recent years requires higher and higher, annual operation
Middle transformer transfers the files work at 1000 or more, and accuracy in order to ensure the test results needs to remove transformer pillar head surface
Dirt and oxide, and test clamp is compressed, to reduce the conductive contact resistance in test loop, p-wire wire clamp clamping pine
Tightly all by spring, when wire clamp opening is in maximum rating, the compression travel that spring is subject to is maximum, over time spring
Fatigue causes to connect not close problem with testee, and p-wire wire clamp is thus be easy to cause to damage.
It cuts off wire clamp again multiply annealed copper wire is directly connected on transformer pile head, p-wire multiply core is easy to wear until nothing
Method uses, thus is replaced using common modeling copper wire, influences the correctness of test result.
Application for a patent for invention disclosed in State Intellectual Property Office 2016-03-09 (2015206999029, improve structure
Transformer binding clip) disclose a kind of transformer binding clip for improving structure, include binding clip ontology and to determine torque bolt,
The binding clip ontology, which is provided with wire connection hole road, transformer conducting bar connection duct and determines torque, is bolted duct,
Middle wire connection hole road and determine torque and be bolted duct to intersect vertically and communicate, the bottom for determining torque bolt is provided with one
Shaft, the outer activity of shaft, which is worn, is connected with a press block.The invention is by determining torque stud base one movable press of installation
Block, during determining torque bolt precession, the press block contact metal core it is relatively motionless, thus will not wear metal core, will not
Metal core is broken up, but needs accurately to dock in wire connection hole road with conducting wire during the connection process, improves operation difficulty, is dropped
Low testing efficiency.
Summary of the invention
The present invention is easy to connect in view of the above problems, to provide a kind of structure simple, can improve the transformer of testing efficiency
Pile crown snap connectors.
The technical scheme is that including measurement terminal, copper braid over braid and bracket, the measurement terminal is plate-like, institute
It states measurement terminal and is from left to right successively arranged lockhole one, location hole and lockhole two, the lockhole one is connected with location hole, described
Bracket is fixed to be located at positioning hole, and the copper braid over braid has adjustable end and fastening end, and the adjustable end of the copper braid over braid is adjustable
It is connected on bracket, fastening end is fixedly connected on bracket, and the copper braid over braid sequentially passes through lockhole one and lockhole two and in ring
Shape is wound around on bracket, and the accommodating hole for placing transformer pile head is equipped between the measurement terminal and copper braid over braid；
The top of the bracket is equipped with test interface one, and lower part is equipped with test interface two.
It further include adjuster, the adjuster includes L shape strut, sliding block and screw rod, and the L shape strut includes one He of the body of rod
The body of rod two, the body of rod one is parallel and is fixedly connected on bracket, and the screw rod is threadedly attached on the body of rod two, the silk
Bar connection sliding block, the adjustable end connection sliding block of the copper braid over braid.
The sliding block is T-shaped including gliding mass and n shape support body, the adjustable end of the side connection copper braid over braid of the support body, separately
Side connection wire rod；
The bracket is C-shaped, and towards lockhole one, the gliding mass of the sliding block is located in the C-shaped mouth of bracket the C-shaped mouth of the bracket.
Scolding tin body is respectively equipped on the adjustable end and fastening end of the copper braid over braid；
Scolding tin body on the adjustable end is equipped with buckle, and the side of the support body is located in buckle.
It further include locker, the locker is fixedly connected on bracket, and the locker includes bottom plate and is located at bottom plate
Both ends baffle disposed in parallel is equipped between a pair of of baffle around axis and shaft, and the shaft is located at around the top of axis, described around axis
Spacing is equipped between bottom plate, the shaft is equipped with pressure ball, and the pressure ball is equipped with driving lever.
The pressure ball surface is equipped with fluting.
The surface of the pressure ball is smooth.
The measurement terminal is towards the side of transformer pile head in arc-shaped
One top of lockhole of the measurement terminal is equipped with opening.
Wiring knob is detachably equipped in the test interface one and test interface two.
At work, copper braid over braid sequentially passes through lockhole one and lockhole two and is wound around on bracket in a ring, shape the present invention
At accommodating hole be set on transformer pile head, due to copper braid over braid have very strong bending property, accommodating hole is fitted
Different transformer pile heads is answered, and more simple, convenient and rapid with the connection of transformer pile head；The adjustable end of copper braid over braid and fastening
End is separately connected adjuster and locker, after the fastening end of copper braid over braid is locked device locking, passes through the silk of rotation regulator
Bar drives the adjustable end of copper braid over braid to do linear reciprocating motion, so that the bonding strength of copper braid over braid and transformer pile head is adjusted,
Both ensure stable connection, reliable；
In test, the instrument terminals of a p-wire connect instrument, and terminal connections end is connect with test interface one, another test
The instrument terminals of line connect instrument, and terminal connections end is connect with test interface two, facilitate wiring, and operation is reliable.
The configuration of the present invention is simple, easy to connect, contact is good, reduces unnecessary lead and tears open and take work, effectively increases
Working efficiency.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention,
Fig. 2 is supporting structure schematic diagram in the present invention,
Fig. 3 is the left view of Fig. 2,
Fig. 4 is the overall structure diagram of measurement terminal and bracket in the present invention,
Fig. 5 is the right view of Fig. 4,
Fig. 6 is locker structural schematic diagram in the present invention,
Fig. 7 is the overall structure diagram of bracket and sliding block in the present invention,
Fig. 8 is the structural schematic diagram of adjuster in the present invention,
Fig. 9 is the structural schematic diagram of copper braid over braid in the present invention；
1 is measurement terminal in figure, and 11 be lockhole one, and 110 be opening, and 12 be location hole, and 13 be lockhole two,
2 be copper braid over braid, and 21 be adjustable end, and 210 be buckle, and 22 be fastening end,
3 be bracket, and 31 be test interface one, and 32 be test interface two, and 33 be wiring knob,
4 be accommodating hole,
51 be L shape strut, and 511 be the body of rod one, and 512 be the body of rod two,
52 be sliding block, and 521 be gliding mass, and 522 be n shape support body, and 53 be screw rod,
61 be bottom plate, and 62 be baffle, and 63 be around axis, and 64 be shaft, and 65 be pressure ball, and 651 be driving lever, and 652 be fluting,
7 be transformer pile head.
Specific embodiment
As shown in figs 1-9, including measurement terminal 1, copper braid over braid 2 and bracket 3, the measurement terminal 1 is plate-like by the present invention,
The measurement terminal 1 is from left to right successively arranged lockhole 1, location hole 12 and lockhole 2 13, the lockhole 1 and location hole
12 are connected, and the fixation of bracket 3 is located in location hole 12, so that measurement terminal and bracket form entirety, the two is copper material
Matter, the copper braid over braid 2 have adjustable end 21 and fastening end 22, and the adjustable end 21 of the copper braid over braid 2 is adjustable (i.e. relative to branch
Frame is movable) it is connected on bracket 3, fastening end 22 is fixedly connected on bracket 3, and the copper braid over braid 2 sequentially passes through lockhole one
It 11 and lockhole 2 13 and is wound around on bracket 3 in a ring, is equipped between the measurement terminal 1 and copper braid over braid 2 and becomes for placing
The accommodating hole 4 of depressor pile crown 7；Copper braid over braid sequentially passes through lockhole one and lockhole two and is wound around on bracket in a ring, formation
Accommodating hole is set on transformer pile head, and the operation is more convenient, rapidly, moreover, copper braid over braid has very strong bending property, it can
To adapt to the transformer pile head of different shape, size, the adaptability of connector is improved.
Since transformer pile head is that the shapes such as copper bar, copper rod are different, size is different, is relatively suitble to using copper braid over braid
It is attached with transformer pile head, and can guarantee that contact is good；Copper braid over braid and transformer pile head completely attach to, and increase contact
Test result accuracy is improved in face.
The top of the bracket 3 is equipped with test interface 1, and lower part is equipped with test interface 2 32.In test, a test
The instrument terminals of line connect instrument, and terminal connections end is connect with test interface one, the instrument terminals connection of another p-wire
Instrument, terminal connections end are connect with test interface two, facilitate wiring, and operation is reliable.
It further include adjuster, the adjuster includes L shape strut 51, sliding block 52 and screw rod 53, and screw rod is equipped with knob, just
In spinning movement, the L shape strut 51 includes the body of rod 1 and the body of rod 2 512, and the body of rod 1 is parallel and is fixedly connected
On bracket 3, the screw rod 53 is threadedly attached on the body of rod 2 512, the screw rod connection sliding block 52, the copper braid over braid
2 21 connection sliding block 52 of adjustable end.Since the body of rod one of L shape strut is fixed on bracket, at this point, rotary screw rod, with the body of rod two
The sliding block of connection moves in a straight line, in this way, sliding block can drive the adjustable end of braid over braid, the adjusting at adjustable end is so that copper braid over braid
It is more stable, reliable with the connection of transformer pile head.
The sliding block 52 is T-shaped including gliding mass 521 and n shape support body 522, the side connection copper of the n shape support body 522 are compiled
The adjustable end 21 of ribbon 2, other side connection wire rod 53；
The bracket 3 is C-shaped, and for the C-shaped mouth of the bracket 3 towards lockhole 1, the gliding mass 521 of the sliding block 52 is located at bracket 3
C-shaped mouth in it is reliable and stable so that sliding block is slidably connected on bracket.
Scolding tin body is respectively equipped on the adjustable end 21 and fastening end 22 of the copper braid over braid 2；In this way, the both ends of copper braid over braid
It is sealed by scolding tin, it is easy to damage after preventing copper braid over braid broken lot from damaging, it improves service life；
Scolding tin body on the adjustable end 21 is equipped with buckle 210, and the side of the n shape support body 522 is located in buckle 210, in this way,
The adjustable end of copper braid over braid is reliably connect with n shape support body, that is, adjuster, so that the connection of copper braid over braid and transformer pile head is strong
It spends adjustable.
It further include locker, the locker is fixedly connected on bracket 3, and the locker includes bottom plate 61 and is located at bottom
61 both ends of plate baffle 62 disposed in parallel is equipped between a pair of of baffle 62 around axis 63 and shaft 64, and the shaft 64 is located at around axis
63 top, described that spacing is equipped between axis 63 and bottom plate 61, the fastening end convenient for copper braid over braid passes through, in the shaft 64
Equipped with pressure ball 65, the pressure ball 65 is equipped with driving lever 651.
In work, the distance of pressure ball and bottom plate weaves twice of tape thickness slightly larger than copper, in this way, copper braid over braid is first from pressure ball
Bottom passes through, then passes through from the spacing between axis and bottom plate, around pressure ball bottom is again passed through around axis rear steering, at this point, dialling
Dynamic driving lever rotates pressure ball, since pressure ball is in flat, the distance between pressure ball and bottom plate is shortened after rotation, in this way, pressure ball bottom
Two layers of bronze medal braid over braid in portion is compacted, thus by being reliably fixed.
65 surface of pressure ball is equipped with fluting 652.The frictional force between pressure ball and copper braid over braid is increased, is further increased
Fixed effect.
The surface of the pressure ball 65 is smooth.While ensuring that fixed function is reliable, copper braid over braid is not damaged, extends copper volume
The service life of ribbon.
The measurement terminal 1 is towards the side of transformer pile head 7 in arc-shaped.Distribution transformer terminal posts copper rod minimum diameter
For φ 12, measurement terminal is in arc-shaped close to the side of transformer pile head so that measurement terminal connect with transformer pile head reliably,
It is firm.
One 11 top of lockhole of the measurement terminal 1 is equipped with opening 110.In this way, convenient for copper braid over braid and being connected to copper volume
The scolding tin body at the adjustable end of ribbon passes through measurement terminal, improves detection efficiency.
In work, lockhole two be it is silent, copper braid over braid plays position-limiting action after penetrating, lockhole one is opening, compiles convenient for copper
Ribbon overlap joint, while playing position-limiting action.
Wiring knob 33 is detachably equipped in the test interface 1 and test interface 2 32.It, can be by straight in
The form for connecing p-wire or grafting aviation contact pin in succession, accelerates the connection speed of p-wire, improves testing efficiency.
In work, the instrument terminals of p-wire use heat-shrink tube reinforcement using opening copper wire nose；The end of p-wire
Sub- connecting pin is socketed using aviation contact pin, and uses heat-shrink tube reinforcement, in this way, facilitating grafting, no by way of aviation contact pin
Easy damaged is durable.
Claims (10)
1. a kind of transformer pile head snap connectors, which is characterized in that including measurement terminal, copper braid over braid and bracket, the survey
It is plate-like to measure terminal, the measurement terminal is from left to right successively arranged lockhole one, location hole and lockhole two, the lockhole one and fixed
Position hole is connected, and the bracket is fixed to be located at positioning hole, and the copper braid over braid has adjustable end and fastening end, the copper braiding
The adjustable end of band is adjustable to be connected on bracket, and fastening end is fixedly connected on bracket, and the copper braid over braid sequentially passes through lockhole one
With lockhole two and be wound around on bracket in a ring, be equipped between the measurement terminal and copper braid over braid for placing transformer pile head
Accommodating hole；
The top of the bracket is equipped with test interface one, and lower part is equipped with test interface two.
2. a kind of transformer pile head snap connectors according to claim 1, which is characterized in that it further include adjuster, institute
Stating adjuster includes L shape strut, sliding block and screw rod, and the L shape strut includes the body of rod one and the body of rod two, the body of rod one it is parallel and
It is fixedly connected on bracket, the screw rod is threadedly attached on the body of rod two, the screw rod connection sliding block, the copper braid over braid
Adjustable end connection sliding block.
3. a kind of transformer pile head snap connectors according to claim 2, which is characterized in that the sliding block is T-shaped, wraps
Include gliding mass and n shape support body, the adjustable end of the side connection copper braid over braid of the support body, other side connection wire rod；
The bracket is C-shaped, and towards lockhole one, the gliding mass of the sliding block is located in the C-shaped mouth of bracket the C-shaped mouth of the bracket.
4. a kind of transformer pile head snap connectors according to claim 3, which is characterized in that the copper braid over braid can
It adjusts and is respectively equipped with scolding tin body on end and fastening end；
Scolding tin body on the adjustable end is equipped with buckle, and the side of the support body is located in buckle.
5. according to a kind of transformer pile head snap connectors any in claim 2-4, which is characterized in that further include lock
Tight device, the locker are fixedly connected on bracket, and the locker includes bottom plate and is located at bottom plate both ends gear disposed in parallel
Plate is equipped between a pair of of baffle around axis and shaft, and the shaft is located at around the top of axis, it is described be equipped between axis and bottom plate between
Away from the shaft is equipped with pressure ball, and the pressure ball is equipped with driving lever.
6. a kind of transformer pile head snap connectors according to claim 5, which is characterized in that the pressure ball surface is equipped with
Fluting.
7. a kind of transformer pile head snap connectors according to claim 5, which is characterized in that the surface light of the pressure ball
It is sliding.
8. a kind of transformer pile head snap connectors according to claim 1, which is characterized in that the measurement terminal direction
The side of transformer pile head is in arc-shaped.
9. a kind of transformer pile head snap connectors according to claim 1, which is characterized in that the lock of the measurement terminal
One top of hole is equipped with opening.
10. a kind of transformer pile head snap connectors according to claim 1, which is characterized in that the test interface one
With in test interface two detachably be equipped with wiring knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811256803.8A CN109148126A (en) | 2018-10-26 | 2018-10-26 | A kind of transformer pile head snap connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811256803.8A CN109148126A (en) | 2018-10-26 | 2018-10-26 | A kind of transformer pile head snap connectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109148126A true CN109148126A (en) | 2019-01-04 |
Family
ID=64810216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811256803.8A Pending CN109148126A (en) | 2018-10-26 | 2018-10-26 | A kind of transformer pile head snap connectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109148126A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW479534U (en) * | 2000-02-09 | 2002-03-11 | Tabata Co Ltd | Face mask for diver |
| CN101349299A (en) * | 2007-07-16 | 2009-01-21 | 卡劳公司 | Tightening device with tightening collar and positioning element |
| CN101466427A (en) * | 2006-06-08 | 2009-06-24 | Ric投资有限责任公司 | Patient interface and headgear connector |
| CN105270320A (en) * | 2014-07-22 | 2016-01-27 | 通用汽车环球科技运作有限责任公司 | Vehicle and a locking assembly for a seat belt |
| CN205697743U (en) * | 2016-06-21 | 2016-11-23 | 南阳市第二人民医院 | A kind of hood type survey meter of blood pressure |
| CN106264651A (en) * | 2016-09-22 | 2017-01-04 | 韩新巍 | Novel radial artery hemostat |
| CN106624498A (en) * | 2016-12-28 | 2017-05-10 | 中国机械工业机械工程有限公司 | Wire tightener for pipeline welding ground wire and application of wire tightener |
| US20180184787A1 (en) * | 2015-06-25 | 2018-07-05 | Starry Limited | Backpack With Adjustable Shoulder Straps |
| CN209015869U (en) * | 2018-10-26 | 2019-06-21 | 国网江苏省电力有限公司扬州市江都区供电分公司 | Transformer pile head snap connectors |
-
2018
- 2018-10-26 CN CN201811256803.8A patent/CN109148126A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW479534U (en) * | 2000-02-09 | 2002-03-11 | Tabata Co Ltd | Face mask for diver |
| CN101466427A (en) * | 2006-06-08 | 2009-06-24 | Ric投资有限责任公司 | Patient interface and headgear connector |
| CN101349299A (en) * | 2007-07-16 | 2009-01-21 | 卡劳公司 | Tightening device with tightening collar and positioning element |
| CN105270320A (en) * | 2014-07-22 | 2016-01-27 | 通用汽车环球科技运作有限责任公司 | Vehicle and a locking assembly for a seat belt |
| US20180184787A1 (en) * | 2015-06-25 | 2018-07-05 | Starry Limited | Backpack With Adjustable Shoulder Straps |
| CN205697743U (en) * | 2016-06-21 | 2016-11-23 | 南阳市第二人民医院 | A kind of hood type survey meter of blood pressure |
| CN106264651A (en) * | 2016-09-22 | 2017-01-04 | 韩新巍 | Novel radial artery hemostat |
| CN106624498A (en) * | 2016-12-28 | 2017-05-10 | 中国机械工业机械工程有限公司 | Wire tightener for pipeline welding ground wire and application of wire tightener |
| CN209015869U (en) * | 2018-10-26 | 2019-06-21 | 国网江苏省电力有限公司扬州市江都区供电分公司 | Transformer pile head snap connectors |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208334100U (en) | A kind of bending fatigue test device of sheet metal specimens | |
| CN209015869U (en) | Transformer pile head snap connectors | |
| CN109148126A (en) | A kind of transformer pile head snap connectors | |
| CN204096762U (en) | Cable pulley type vehicle glass electric elevator automatic coiling device | |
| JP3032139B2 (en) | Main stand durability test equipment | |
| CN2775666Y (en) | Overhead power detecting pincers | |
| CN107167638A (en) | A kind of measurement jig | |
| DE102004028745B4 (en) | Anschussklemmen Tester | |
| CN207473026U (en) | Motor contact terminal board loosens and energization performance testing agency | |
| CN208968813U (en) | High-speed rail bolt detection device | |
| CN208998975U (en) | Steel cord torsion detecting device | |
| CN209015870U (en) | Pile crown fastening adjustment device | |
| CN213729055U (en) | Wire rod detection sample coalignment | |
| CN210741988U (en) | Anti-skid mechanism of full-automatic high-strength wire tensile tester | |
| CN100390522C (en) | Adjustable double point of action loading tensile device | |
| CN210541589U (en) | Mental health testing arrangement of simple structure | |
| CN113405892A (en) | Electric power fitting grip strength testing machine | |
| CN212919091U (en) | Automatic electronic inspection device | |
| CN220751833U (en) | Wire harness terminal tension testing device | |
| CN109239412A (en) | A kind of firm formula locking device | |
| CN219142446U (en) | Device for testing hardness of center conductor of microminiature connector | |
| CN109148127A (en) | A kind of adjustable locking apparatus | |
| CN217060466U (en) | Electrical measuring tool | |
| CN220568544U (en) | Wire tension test equipment | |
| CN114123054B (en) | Electric power overhauls instrument |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200922 Address after: 225200 No. 38 East worker peasant Road, Jiangdu District, Jiangsu, Yangzhou Applicant after: YANGZHOU JIANGDU DISTRICT POWER SUPPLY BRANCH OF STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. YANGZHOU POWER SUPPLY BRANCH Applicant after: YANGZHOU YONGMAO ELECTRIC POWER CONSTRUCTION Co.,Ltd. Address before: 225200 No. 38 East worker peasant Road, Jiangdu District, Jiangsu, Yangzhou Applicant before: YANGZHOU JIANGDU DISTRICT POWER SUPPLY BRANCH OF STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Applicant before: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. YANGZHOU POWER SUPPLY BRANCH |