CN206920482U - Multi-functional shaft tower grounding resistance measurement case - Google Patents
Multi-functional shaft tower grounding resistance measurement case Download PDFInfo
- Publication number
- CN206920482U CN206920482U CN201720946109.3U CN201720946109U CN206920482U CN 206920482 U CN206920482 U CN 206920482U CN 201720946109 U CN201720946109 U CN 201720946109U CN 206920482 U CN206920482 U CN 206920482U
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- China
- Prior art keywords
- wheel disc
- bearing wheel
- resistance measurement
- grounding resistance
- bearing
- 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.)
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- 238000005259 measurement Methods 0.000 title claims abstract description 45
- 239000006260 foam Substances 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a kind of multi-functional shaft tower grounding resistance measurement case, including casing, the duplex bearing wheel disc reel being placed in casing, the fixing device of duplex bearing wheel disc reel, the rigid foam fixing groove for retainer instrument and Work tool；The fixing device includes being fixed on base, the fixing support rack being fixed on base of casing bottom, and base is located at the lower floor of rigid foam fixing groove；The duplex bearing wheel disc reel includes the first single-bearing wheel disc, the second single-bearing wheel disc, connecting screw, plugboard, two guiding control wheels, connecting screw sequentially passes through the first single-bearing wheel disc, plugboard, the second single-bearing wheel disc and fixed, and two are oriented to the both sides that control wheel is fixed on plugboard top.The utility model can not only store various instruments and Work tool in grounding resistance measurement, and can be worked for grounding resistance measurement and provide a firm operating platform, and retractable cable is time saving and energy saving, improves the operating efficiency of grounding resistance measurement.
Description
Technical field
Technical field of electric power detection is the utility model is related to, facilitates grounding resistance measurement side multi-functional more particularly to a kind of
Measure case.
Background technology
The tower grounding device of high pressure overhead power line flows into ground primarily to leading and letting out thunder and lightning, to keep circuit to have one
Fixed resistance to thunderbolt is horizontal.Annual 220 kilovolts and above overhead transmission line are because of lightning stroke trip the line is busy road fault trip sum
More than 70%, and because tower grounding device is unqualified can not smoothly lightning stroke trip accounts for exhausted large scale caused by aerial drainage.Shaft tower connects
Ground resistance value can directly reflect whether tower grounding device is good, and periodic measurement electric power line pole tower power frequency earthing resistance is dimension
Protect line security and run an essential production sex work.
The measurement of electric power line pole tower power frequency earthing resistance will generally be spent as the special work of annual Utilities Electric Co. safety in production
Take regular hour completion.During using degree of accuracy highest " three electrode method " measurement of Grounding Resistance, folding and unfolding connecting line be present
It is time-consuming, laborious, there is a situation where in some areas because measurement can not be carried out by environmental restrictions such as landform, physical features, meanwhile, also exist
Situation about easily being omitted when Work tool is more, very big inconvenience is caused to grounding resistance measurement work.
Therefore need badly and provide a kind of new pole tower ground resistance measurement apparatus to solve the above problems.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of multi-functional shaft tower grounding resistance measurement case, Neng Gouwei
Grounding resistance measurement work provides a firm operating platform.
In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of multi-functional shaft tower is provided
Grounding resistance measurement case, including casing, the duplex bearing wheel disc reel being placed in casing, duplex bearing wheel disc reel
Fixing device, the rigid foam fixing groove for retainer instrument and Work tool；
The fixing device includes being fixed on base, the fixing support rack being fixed on base of casing bottom, base position
In the lower floor of rigid foam fixing groove；
The duplex bearing wheel disc reel includes the first single-bearing wheel disc, the second single-bearing wheel disc, connecting screw, grafting
Plate, two guiding control wheels, connecting screw sequentially pass through the first single-bearing wheel disc, plugboard, the second single-bearing wheel disc and fixed, and two
The individual both sides for being oriented to control wheel and being fixed on plugboard top.
In one preferred embodiment of the utility model, the fixing support rack includes two L-type supporting plates, butterfly-type spiral shell
Bolt, fixing bolt, the bottom anchor of two L-type supporting plates on base, the installation of top relative gap, for plugboard insert by the gap
Enter fixation, two L-type supporting plates of threaded connection, butterfly-type bolt, fixing bolt are convenient slotting up and down respectively for butterfly-type bolt, fixing bolt
Dismounting, the installation of fishplate bar.
In one preferred embodiment of the utility model, the middle part of the first single-bearing wheel disc and the second single-bearing wheel disc is axle
Hold, the outward flange of bearing is connected with two annulus, and annulus is connected with bearing outward flange by several arc-shaped steel bars, makes the list
Bearing wheel disc meets 40 meters, the winding requirement of 25 meters long measurement connecting line；The inside of bearing is fixedly connected with a pair of connection sheets, even
Two first are provided with contact pin and fixes via, anti-rotational via, connecting plate is easy to the first single-bearing wheel disc, the second single-bearing wheel
Disk is fixed with plugboard, and first, which fixes via, is used for through connecting screw, and anti-rotational via is used for the rocking-turn for fixing rocking-turn device
Handle, prevent single-bearing wheel disc spinning；Rocking-turn device is additionally provided with the lateral surface of bearing.
Further, rocking-turn device includes two contiguous blocks, connecting plate, rocking-turn handle, and two contiguous blocks are vertically fixed on
On bearing lateral surface, connecting plate is hinged between two contiguous blocks, and rocking-turn handle is fixedly connected on the end of connecting plate, connecting plate
It can spin upside down, on the one hand be easy to the storage of rocking-turn handle, on the other hand rocking-turn handle is inserted in anti-rotational via, can be prevented
Single-bearing wheel disc spinning.
Further, the hinged place of connecting plate and contiguous block is respectively arranged with a limit spring, when single-bearing wheel disc not
In use, make it have certain revolution space.
In one preferred embodiment of the utility model, the wheel shaft for being oriented to control wheel is welded on plugboard top, is oriented to control
The top of ratch is provided with a gag lever post, makes folding and unfolding prevent from measuring connecting line sideslip when measuring connecting line.
In one preferred embodiment of the utility model, two second fixation vias, bottoms are provided with the middle part of plugboard and are opened
There is a concave groove for being used to insert L-type supporting plate, the second fixation via is used to make grafting through connecting screw, the design of concave groove
In plate insertion L-type supporting plate, and it is tightened with butterfly-type bolt, facilitates the retractable cable and measurement work of duplex bearing wheel disc reel
Make.
Further, rigid foam fixing groove includes tup position, probe position, earth resistance tester storage position, ground connection electricity
Tester working position, duplex bearing wheel disc reel position, flat mouth screw cutter spacing, small line disk position are hindered, the both sides of each fixing groove are also
It is provided with the groove for conveniently taking instrument and Work tool.
The beneficial effects of the utility model are：The utility model can not only store the various instruments in grounding resistance measurement
And Work tool, prevent from losing, omit, avoid bringing inconvenience to grounding resistance measurement work, and can be grounding resistance measurement
Work provides a firm operating platform, no longer because the environmental restrictions such as landform, physical features can not carry out measurement, changes traditional receipts
Unwrapping wire mode, it is time saving and energy saving, the working time of grounding resistance measurement is shortened, improves operating efficiency.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the multi-functional preferred embodiment of shaft tower grounding resistance measurement case one of the utility model；
Fig. 2 is the dimensional structure diagram of the fixing device；
Fig. 3 be the first single-bearing wheel disc or the assembling structure schematic diagram of the second single-bearing wheel disc and connecting bolt it
One；
Fig. 4 be the first single-bearing wheel disc or the assembling structure schematic diagram of the second single-bearing wheel disc and connecting bolt it
Two；
Fig. 5 is the plugboard and the assembling structure schematic diagram of single guiding control wheel；
Fig. 6 is the assembling structure schematic diagram of the duplex bearing wheel disc reel and fixing device；
Fig. 7 is Fig. 6 front view；
Fig. 8 is Fig. 6 top view；
Fig. 9 is Fig. 6 left view；
Figure 10 is Fig. 6 right view；
The mark of each part is as follows in accompanying drawing：1st, casing, 2, duplex bearing wheel disc reel, the 21, first single-bearing wheel disc,
22nd, the second single-bearing wheel disc, 221, bearing, 222, annulus, 223, arc-shaped steel bar, 224, connection sheet, 2241, first fixed
Hole, 2242, anti-rotational via, 23, connecting screw, 231, screw head in hexagon, 232, nut, 24, plugboard, 241, first is solid
Determine via, 242, concave groove, 25, be oriented to control wheel, 251, wheel shaft, 252, gag lever post, 26, rocking-turn device, 261, contiguous block,
262nd, connecting plate, 263, rocking-turn handle, 264, limit spring, 3, fixing device, 31, base, 32, L-type supporting plate, 33, butterfly-type
Bolt, 34, fixing bolt, 4, rigid foam fixing groove, 41, tup position, 42, probe position, 43, earth resistance tester storage
Position, 44, earth resistance tester working position, 45, duplex bearing wheel disc reel position, 46, flat mouth screw cutter spacing, 47, small line disk
Position, 48, groove.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Referring to Fig. 1, the utility model embodiment includes：
A kind of multi-functional shaft tower grounding resistance measurement case, including casing 1, the duplex bearing wheel disc folding and unfolding that is placed in casing 1
Line device 2, the fixing device 3 of duplex bearing wheel disc reel 2, the rigid foam fixing groove 4 for retainer instrument and Work tool.Institute
State casing 1 to make using composite plate, bottom level, can be stably placed in different outside landform.The rigid foam fixing groove 4
Sub-module is slotted, including tup position 41, probe position 42, earth resistance tester storage position 43, earth resistance tester working position
44th, duplex bearing wheel disc reel position 45, flat mouth screw cutter spacing 46, small line disk position 47, should be according to all parts in grooving process
Dimensional structure design block size, depth, and take out in view of Work tool, the convenience inserted, to length and width, deep each amplification 3mm
To leave enough nargin, and the groove 48 for conveniently taking instrument and Work tool is also provided with the both sides of each fixing groove.
With reference to Fig. 2, the fixing device 3 includes being fixed on the base 31 of the bottom of casing 1, the fixation being fixed on base 31
Support frame, base 31 are metal material, anchor and are pasted onto the bottom of casing 1, positioned at the lower floor of rigid foam fixing groove 4.It is described
Fixing support rack includes two L-type supporting plates 32, butterfly-type bolt 33, fixing bolt 34, and the bottom of two L-type supporting plates 32 uses
Rivet is anchored on base 31, and the top of L-type supporting plate 32 is relative, gap installation, it is preferred that 5mm spacing can be retained, should between
Gap is fixed for the insertion of plugboard 24；Butterfly-type bolt 33, fixing bolt 34 are threadedly coupled two L-type supporting plates 32, butterfly up and down respectively
Type bolt 33, fixing bolt 34 facilitate the dismounting of plugboard 24, installation.Making turns into the base 31 for being fixed with L-type supporting plate 32,
To fixed duplex bearing wheel disc reel 2.
The duplex bearing wheel disc reel 2 includes the first single-bearing wheel disc 21, the second single-bearing wheel disc 22, connecting screw
23rd, 24, two guiding control wheels 25 of plugboard, connecting screw 23 sequentially pass through the first single-bearing wheel disc 31, plugboard 24, second
Single-bearing wheel disc 22 is fixed, and two are oriented to the both sides that control wheel 25 is fixed on the top of plugboard 24.It is single with reference to Fig. 3 and Fig. 4, first
The single-bearing wheel disc 22 of bearing wheel disc 21 and second is processed makings from the bearing 221 that internal diameter is 120mm, bearing 221 outside
Edge is connected with two annulus 222, and annulus 222 is connected with the outward flange of bearing 221 by several arc-shaped steel bars 223, makes described
Single-bearing wheel disc meets 40 meters, the winding requirement of 25 meters long measurement connecting line, and rocking-turn dress is additionally provided with the lateral surface of bearing 221
Put 26.The inside of bearing 221 is fixedly connected with a pair of connection sheets 224, and two first fixation vias are provided with connection sheet 224
2241st, anti-rotational via 2242, connecting plate 224 are easy to the first single-bearing wheel disc 21, the second single-bearing wheel disc 22 and plugboard
24 fix, and connecting screw 23 is connected as an entirety, anti-rotational via 2242 through the first fixation via 2241 with plugboard 24
For fixing the rocking-turn handle 263 of rocking-turn device 26, single-bearing wheel disc spinning is prevented.The connecting screw 23 uses diameter
6mm, long 100mm carbon wolfram steel screw rod, one end are provided with screw head 231 in hexagon, and other end nut 232 is fixed.
Further, rocking-turn device 26 includes two contiguous blocks 261, connecting plate 262, rocking-turn handle 263, with reference to Fig. 4, two
Individual contiguous block 261 is vertically fixed on the lateral surface of bearing 221, and connecting plate 262 is hinged between two contiguous blocks 261, hinged place
Be provided with a limit spring 264, when single-bearing wheel disc when not in use, single-bearing wheel disc has certain revolution space, connection
Plate 262 is made from the compacting of 2mm thickness steel disc in radian.Rocking-turn handle 263 is fixedly connected on the end of connecting plate 262, connecting plate
262 can be spun upside down, and on the one hand be easy to the storage of rocking-turn handle 263, and rocking-turn handle 263 on the other hand is inserted into anti-rotational via
In 2242, single-bearing wheel disc spinning can be prevented.
Referring to Fig. 5, the plugboard 24 can choose the band iron that 40mm is wide, 3mm is thick, middle part is provided with two second and fixed
Hole 241, the second fixation via 241 are used to meet the use of connecting screw 23 through connecting screw 23, its pore size, and bottom is opened
There is a concave groove 242, the design of concave groove 242 makes plugboard 24 insert in L-type supporting plate 32, and is screwed admittedly with butterfly-type bolt 33
It is fixed.Plugboard 24 is located at the centre position of the first single-bearing wheel disc 21 and the second single-bearing wheel disc 22, is oriented to the wheel of control wheel 25
Axle 251 is welded on the top of plugboard 24, and the top for being oriented to control wheel 25 is provided with a gag lever post 252, folding and unfolding is measured connecting line
When prevent measure connecting line sideslip.Measurement lead is imported by being oriented to the export of control wheel 25, abjection wrapping phenomena, hand no longer occurs
Rotating handles 263 is shaken to realize that wheel disc drive lead is quick, stablize folding and unfolding.
In measurement process, with reference to Fig. 6 to Figure 10, the duplex bearing wheel disc reel 2 is inserted in L-type supporting plate 32
On base 31, and it is tightened with butterfly-type bolt 33, facilitates retractable cable and the measurement work of duplex bearing wheel disc reel 2.Survey
After the completion of amount, butterfly-type bolt 33 is unscrewed, duplex bearing wheel disc reel 2 is removed to the duplex bearing for being put into rigid foam fixing groove 4
Wheel disc reel position 45.
Under storage state, each Work tool is stored in each correspondence position；In use, each Work tool instrument is taken out, will be grounded
Resistance instrument is adjusted to measurement position, by the inserted base 31 of duplex bearing wheel disc reel 2 and is screwed butterfly-type bolt 33 and is fixed, then carries out
Instrument connection, unfolding line, so, you can provide a smooth stabilised platform by casing 1, carry out measurement；After measurement,
Can collection apparatus instrument, Work tool be put into the correspondence position of casing 1, prevent from omitting.
The utility model can not only store various instruments and Work tool in grounding resistance measurement, prevent from losing, omit,
Avoid bringing inconvenience to grounding resistance measurement work, and a firm operation can be provided for grounding resistance measurement work and put down
Platform, no longer because the environmental restrictions such as landform, physical features can not carry out measurement, change traditional retractable cable mode, it is time saving and energy saving, shorten
The working time of grounding resistance measurement, improve operating efficiency.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (8)
1. a kind of multi-functional shaft tower grounding resistance measurement case, it is characterised in that including casing, the duplex bearing wheel being placed in casing
Disk reel, the fixing device of duplex bearing wheel disc reel, the rigid foam fixing groove for retainer instrument and Work tool；
The fixing device includes being fixed on base, the fixing support rack being fixed on base of casing bottom, and base is positioned at hard
The lower floor of matter foam fixing groove；
The duplex bearing wheel disc reel include the first single-bearing wheel disc, the second single-bearing wheel disc, connecting screw, plugboard,
Two guiding control wheels, connecting screw sequentially pass through the first single-bearing wheel disc, plugboard, the second single-bearing wheel disc and fixed, two
It is oriented to the both sides that control wheel is fixed on plugboard top.
2. multi-functional shaft tower grounding resistance measurement case according to claim 1, it is characterised in that the fixing support rack bag
Two L-type supporting plates, butterfly-type bolt, fixing bolt are included, between the bottom anchors of two L-type supporting plates is on base, top is relative
Gap is installed, and butterfly-type bolt, fixing bolt are threadedly coupled two L-type supporting plates up and down respectively.
3. multi-functional shaft tower grounding resistance measurement case according to claim 1, it is characterised in that the first single-bearing wheel disc with
The middle part of second single-bearing wheel disc is bearing, and the outward flange of bearing is connected with two annulus, if annulus and bearing outward flange by
Dry arc-shaped steel bar connection, the inside of bearing are fixedly connected with a pair of connection sheets, be provided with connection sheet two first fix vias,
Anti-rotational via, rocking-turn device is additionally provided with the lateral surface of bearing.
4. multi-functional shaft tower grounding resistance measurement case according to claim 3, it is characterised in that rocking-turn device includes two
Contiguous block, connecting plate, rocking-turn handle, two contiguous blocks are vertically fixed on bearing lateral surface, and connecting plate is hinged on two connections
Between block, rocking-turn handle is fixedly connected on the end of connecting plate.
5. multi-functional shaft tower grounding resistance measurement case according to claim 4, it is characterised in that connecting plate and contiguous block
Hinged place is respectively arranged with a limit spring.
6. multi-functional shaft tower grounding resistance measurement case according to claim 1, it is characterised in that be oriented to the wheel shaft of control wheel
Plugboard top is welded on, the top for being oriented to control wheel is provided with a gag lever post.
7. multi-functional shaft tower grounding resistance measurement case according to claim 1, it is characterised in that be provided with the middle part of plugboard
Two second fixation vias, bottom are provided with a concave groove for being used to insert L-type supporting plate.
8. the multi-functional shaft tower grounding resistance measurement case according to any one of claim 1 to 7, it is characterised in that hard steeps
Foam fixing groove includes tup position, probe position, earth resistance tester storage position, earth resistance tester working position, duplex bearing wheel
Disk reel position, flat mouth screw cutter spacing, small line disk position, the both sides of each fixing groove, which are also provided with, conveniently takes instrument and Work tool
Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720946109.3U CN206920482U (en) | 2017-07-31 | 2017-07-31 | Multi-functional shaft tower grounding resistance measurement case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720946109.3U CN206920482U (en) | 2017-07-31 | 2017-07-31 | Multi-functional shaft tower grounding resistance measurement case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920482U true CN206920482U (en) | 2018-01-23 |
Family
ID=61346631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720946109.3U Active CN206920482U (en) | 2017-07-31 | 2017-07-31 | Multi-functional shaft tower grounding resistance measurement case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627703A (en) * | 2018-07-30 | 2018-10-09 | 国网辽宁省电力有限公司铁岭供电公司 | A kind of tower bar grounding resistance monitoring device |
| CN110824255A (en) * | 2019-11-12 | 2020-02-21 | 长春工程学院 | Transmission line shaft tower ground resistance measuring device |
-
2017
- 2017-07-31 CN CN201720946109.3U patent/CN206920482U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627703A (en) * | 2018-07-30 | 2018-10-09 | 国网辽宁省电力有限公司铁岭供电公司 | A kind of tower bar grounding resistance monitoring device |
| CN110824255A (en) * | 2019-11-12 | 2020-02-21 | 长春工程学院 | Transmission line shaft tower ground resistance measuring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061 Patentee after: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH Patentee after: STATE GRID CORPORATION OF CHINA Address before: No.415 Wuhu Road, Baohe District, Hefei City, Anhui Province 230061 Patentee before: Maintenance Company Of State Grid Anhui Electric Power Company Patentee before: State Grid Corporation of China |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061 Patentee after: Super high voltage branch of State Grid Anhui Electric Power Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061 Patentee before: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH Patentee before: STATE GRID CORPORATION OF CHINA |