CN205330278U - Electronic car of arranging of primary equipment safety measure - Google Patents
Electronic car of arranging of primary equipment safety measure Download PDFInfo
- Publication number
- CN205330278U CN205330278U CN201620082430.7U CN201620082430U CN205330278U CN 205330278 U CN205330278 U CN 205330278U CN 201620082430 U CN201620082430 U CN 201620082430U CN 205330278 U CN205330278 U CN 205330278U
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- China
- Prior art keywords
- containing box
- rotating shaft
- safety measure
- trailer frame
- primary equipment
- 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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- RLLPVAHGXHCWKJ-IEBWSBKVSA-N (3-phenoxyphenyl)methyl (1s,3s)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate Chemical compound CC1(C)[C@H](C=C(Cl)Cl)[C@@H]1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-IEBWSBKVSA-N 0.000 abstract 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses electronic car of arranging of primary equipment safety measure, including dull and stereotyped frame, the bottom of dull and stereotyped frame is equipped with wheel and the first electric motors, front portion that the top surface of dull and stereotyped frame lies in the walking orientation is equipped with the stake hole more than a row, and the downthehole grafting of stake has a picket fence, peg graft and have the extendible security fence device more than two in the rear portion that the top surface of dull and stereotyped frame lies in the walking orientation, the rear portion that the top surface of dull and stereotyped frame lies in the walking orientation still is equipped with and is used for driving pivot pivoted actuating mechanism. The utility model discloses to implement all parts of safety measure and all take in concentrated receiving and keeping on the frame, not only convenient storage and management when using in addition, need not flowering time searching and transport within a definite time, can directly transport job site through the frame to promote work efficiency greatly, saved operating time.
Description
Technical field
This utility model relates to safety measure equipment, relates in particular to a kind of electronic layout car of primary equipment safety measure。
Background technology
When primary equipment being overhauled in transformer station, all must in the place specified, in order to prevent staff from exceeding working range operation, and step on by mistake, touch charging equipment by mistake, cause the person to get an electric shock or equipment damage, need to implement safety measure, namely the surrounding in job site arranges safe temporary fence, only stays a gateway, and on safe temporary fence, towards interior extension, " halting, Keep Clear-High Voltage！" Sign Board。
At present, when implementing full measure, it is necessary to use enclosure pile and fence mesh, specifically want a circle enclosure pile is first installed in periphery, job site, hang over after then some fence meshs being launched and connect by two people on the upper lower draw-bar of enclosure pile。This mode there is problems in that enclosure pile is very heavy, carries very difficult, and is easily wound around during folding and unfolding fence mesh, it is easy to damages and delay operation。
Utility model content
Technical problem to be solved in the utility model is to provide one and can be effectively improved work efficiency, reduce labor intensity, it is to avoid the electronic layout car of primary equipment safety measure being wound around occurs fence mesh。
In order to solve above-mentioned technical problem, this utility model adopts the following technical scheme that the electronic layout car of primary equipment safety measure, including Platform trailer frame, the bottom of described Platform trailer frame is provided with wheel and for driving the first motor of wheel, the end face of described Platform trailer frame is positioned at the front portion of direction of travel and is provided with the stake holes that a row is above, being plugged with enclosure pile in stake holes, the end face of described Platform trailer frame is positioned at the rear portion of direction of travel and is plugged with plural extendible safe fence device；
Described extendible safe fence device includes containing box, rotating shaft and fence mesh, described rotating shaft is positioned at containing box, described axis of rotation is arranged on storage tank wall, and one end of described rotating shaft stretches out containing box, described containing box has strip gab, it is axial that the bearing of trend of described strip gab is parallel to rotating shaft, length direction one end of described fence mesh is stretched in containing box through strip gab and is fixed in rotating shaft, and the width of described fence mesh to be parallel to rotating shaft axial, the length direction other end of described fence mesh is stayed outside containing box；
The end face of described Platform trailer frame is positioned at the rear portion of direction of travel and is additionally provided with the driving mechanism rotated for drive shaft, described driving mechanism includes base, second motor and driving axle, described base is fixed on Platform trailer frame, described second motor is fixed on base, described drive shaft turns is arranged on base, chain drive is passed through between output shaft and the driving axle of described second motor, described driving axle is provided with the hole of the one end stretching out containing box for holding rotating shaft, during use, one end stretching out containing box of described rotating shaft is stretched in hole, described rotating shaft and hole, drive axle coaxial line, one end stretching out containing box of described rotating shaft is additionally provided with gear, on the hole wall in described hole, the position of respective gears is provided with the circle teeth matched with gear。
Further, the end face of described Platform trailer frame is positioned at the middle part of direction of travel and is provided with mechanical arm。
Further, the profile of described containing box is cylindrical, described rotating shaft and containing box coaxial line。
Further, the outer surface of described containing box along rotating shaft axial be respectively arranged at two ends with plural hook。
Further, the outer surface of described containing box is additionally provided with handle。
Further, the end, one end stretching out containing box of described rotating shaft is designed to taper。
Further, the end face of described Platform trailer frame is positioned at the rear portion of direction of travel and is additionally provided with the curved support plate for guiding fence mesh folding and unfolding。
Further, also include the controller for controlling mechanical arm, the first motor and the second motor, described Platform trailer frame is positioned at the front end of direction of travel and is provided with front apron, the front photographic head for observing forward walking path it is provided with and for observing the rear photographic head of enclosure pile backward in the middle part of the end face of described front apron, the end face sidepiece of described front apron is provided with the side photographic head for observing mechanical arm, and described front photographic head, rear photographic head and side photographic head are by controller control。
The beneficial effects of the utility model are:
The all parts implementing safety measure are all accommodated on vehicle frame and concentrate harvesting by this utility model, not only convenient storage and management, and when using, without searching and the carrying of taking time, working site can being transported directly to by vehicle frame, thus being greatly improved work efficiency, saving the working time；
The operation of this utility model vehicle frame and the storage of fence mesh are entirely electronic, additionally mounted and removal process all can be completed by mechanical arm, operator only need to control and guide, not only save manpower (have only to a people and can complete installation and the recovery of whole device), and install with removal process is very simple, labor intensity is low, is effectively increased work efficiency；
Fence mesh around being located in rotating shaft, is not therefore all resulted in the winding of fence mesh, during the idleness of equipment, it is possible to be accommodated in containing box by fence mesh, takes up room little by this utility model when retractable fence mesh。
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment。
Fig. 2 is the structural representation of extendible safe fence device and driving mechanism in this utility model one embodiment。
Fig. 3 is the A place enlarged drawing of Fig. 2。
Being labeled as of each parts in accompanying drawing: 1 Platform trailer frame, 11 wheels, 12 stake holes, 13 curved support plates, 14 front aprons, photographic head before 15, photographic head after 16,17 side photographic head, 18 axis holes, 2 enclosure piles, 3 mechanical arms, 4 containing boxs, 41 strip gabs, 411 anti-wear material layers, 42 hooks, 43 handles, 5 rotating shafts, 51 gears, 6 fence meshs, 61 positive stop strips, 7 bases, 71 bearings, 8 second motor, 9 drive axle, 91 holes, 10 chains。
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described:
Referring to Fig. 1, Fig. 2 and Fig. 3。
The electronic layout car of primary equipment safety measure of this utility model one embodiment, including Platform trailer frame 1, the bottom of described Platform trailer frame 1 is provided with wheel 11 and for driving the first motor (not shown) of wheel 11, the end face of described Platform trailer frame 1 is positioned at the front portion of direction of travel and is provided with the above stake holes of a row 12, enclosure pile 2 it is plugged with in stake holes 12, the particular number of stake holes 12 and enclosure pile 2 is arranged according to the requirement of transformer station, the end face of described Platform trailer frame 1 is positioned at the middle part of direction of travel and is provided with mechanical arm 3, the end face of described Platform trailer frame 1 is positioned at the rear portion of direction of travel and is plugged with plural extendible safe fence device；
Described extendible safe fence device includes containing box 4, rotating shaft 5 and fence mesh 6, described rotating shaft 5 is positioned at containing box 4, described rotating shaft 5 is rotatably installed on containing box 4 wall, and one end of described rotating shaft 5 stretches out containing box 4, the end face of Platform trailer frame 1 is provided with axis hole 18, one end activity stretching out containing box 5 of rotating shaft 5 is plugged in axis hole 18, described containing box 4 has strip gab 41, it is axial that the bearing of trend of described strip gab 41 is parallel to rotating shaft 5, length direction one end of described fence mesh 6 is stretched in containing box 4 and is fixed on through strip gab 41 in rotating shaft 5, and the width of described fence mesh 6 to be parallel to rotating shaft 5 axial, the length direction other end of described fence mesh 6 is stayed outside containing box 4；
The end face of described Platform trailer frame 1 is positioned at the rear portion of direction of travel and is additionally provided with the driving mechanism rotated for drive shaft 5, described driving mechanism includes base 7, second motor 8 and driving axle 9, described base 7 is fixed on Platform trailer frame 1, described second motor 8 is fixed on base 7, described driving axle 9 is rotatably installed on base 7 by bearing 71, chain drive is passed through between output shaft and the driving axle 9 of described second motor 8, specifically, the output shaft of the second motor 8 is provided with chain pitch wheel (not shown), axle 9 is driven to be provided with a circle sprocket (not shown), one chain 10 is around being located on chain pitch wheel and a circle sprocket, described driving axle 9 is provided with the hole 91 of the one end stretching out containing box 4 for holding rotating shaft 5, during use, one end stretching out containing box 4 of described rotating shaft 5 is stretched in hole 91, described rotating shaft 5 and hole 91, drive axle 9 coaxial line, one end stretching out containing box 4 of described rotating shaft 5 is additionally provided with gear 51, on the hole wall in described hole 91, the position of respective gears 51 is provided with the circle teeth (not shown) matched with gear 51。
When needing to accept fence mesh 6, one end stretching out containing box 4 of rotating shaft 5 is stretched in hole 91, open the second motor 8, the output shaft of the second motor 8 is driven by chain 10 and drives axle 9 to rotate, then axle 9 is driven to drive rotating shaft 5 to rotate by gear 51, rotating shaft 5 rotates and can be wound in rotating shaft 5 by fence mesh 6, it is achieved the automatic accomodation of fence mesh 6。For convenience of controlling the second motor 8, the controller of a keying and rotating speed for controlling the second motor 8 can be increased。
When needing to implement safety measure, moving carriage 1, by mechanical arm 3, by enclosure pile 2, in the interior spud pile hole taking out and inserting periphery, job site of stake holes 12, (first meeting of power transformation construction is in regular distribution multiple safe fence stake hole, full station, for inserting enclosure pile 2), and extendible safe fence device is without being assembled on driving mechanism, staff directly holds one end stayed outside containing box 4 of fence mesh 6 and is pulled outwardly, fence mesh 6 easily can be pulled out from containing box 4, then pass through mechanical arm 3 extracted from axis hole 18 one end stretching out containing box 4 of rotating shaft 5 and insert in a hole, for convenience of inserting, the end, one end stretching out containing box 4 of rotating shaft 5 is designed to taper, again fence mesh 6 is hung over enclosure pile 2 on request afterwards, Awaiting Overhaul has worked when needing to remove safe fence, first fence mesh 6 is taken off from enclosure pile 2, then one end stretching out containing box 4 of rotating shaft 5 is extracted and reinsert hole 91 in stake hole, it is then turned on the second motor 8, by fence mesh 6 again around being located in rotating shaft 5, finally by mechanical arm 3, extendible safe fence device and enclosure pile 2 are inserted in stake holes 12 and axis hole 18。
When being embodied as, by the cylinder that is contoured to of containing box 4, and make rotating shaft 5 and containing box 4 coaxial line。So can save the making material of containing box 4, increase accommodation space, and handle 43 is set at a side external surface of the external part away from rotating shaft 5 of containing box 4, to facilitate mechanical arm 3 to capture with carrying or the angle adjusting containing box 4, when installing rotating shaft 5, its two ends can be arranged on containing box 4 wall by bearing。
In the present embodiment, the opening's edge of described strip gab 41 is coated with anti-wear material layer 411。Anti-wear material includes but not limited to that silica gel, plastics and elastomeric material, anti-wear material layer 411 can reduce the abrasion of fence mesh 6, and makes fence mesh 6 more swimmingly through strip gab 41, and the size of strip gab 41 meets makes fence mesh 6 certainly but indeformable traverse。
In the present embodiment, the length direction other end of described fence mesh 6 is provided with positive stop strip 61, for stoping the length direction other end traverse strip gab 41 of described fence mesh 6。Positive stop strip 61 concrete shape and structure are not particularly limited, as long as strip gab 41 cannot be passed, are so possible to prevent the external part of fence mesh 6 to involve in containing box 4, bring difficulty for installing next time。
In the present embodiment, the outer surface of described containing box 4 along rotating shaft 5 axial be respectively arranged at two ends with plural hook 42。When working region is bigger, the fence mesh 6 of one transformer station's extendible safe fence device is likely to fall short of, now, containing box 4 is directly used as an enclosure pile use, the fence mesh 6 of later transformer station extendible safe fence device can be pulled out and hangs on the hook 42 of previous transformer station extendible safe fence device, reach to extend fence mesh purpose。
In the present embodiment, the end face of described Platform trailer frame 1 is positioned at the rear portion of direction of travel and is additionally provided with the curved support plate 13 for guiding fence mesh 6 folding and unfolding。During folding and unfolding fence mesh 6, fence mesh 6 againsts the convex surface of curved support plate 13 and moves, and not only has guiding function, and fence mesh 6 can be organized smooth。
In the present embodiment, also include the controller (not shown) for controlling mechanical arm the 3, first motor and the second motor 8, the front end that described Platform trailer frame 1 is positioned at direction of travel is provided with front apron 14, the front photographic head 15 for observing forward walking path it is provided with and for observing the rear photographic head 16 of enclosure pile 2 backward in the middle part of the end face of described front apron 14, the end face sidepiece of described front apron 14 is provided with the side photographic head 17 for observing mechanical arm 3, and described front photographic head 15, rear photographic head 16 and side photographic head 17 are by controller control。
By front photographic head 15, rear photographic head 16, side photographic head 17 and controller, this utility model can realize long-range control, above-mentioned photographic head is easy to remote control and remote reviewing, thus adjusting walking path at any time, and realization remotely controls mechanical arm 3 and captures, installs and reclaim enclosure pile 2 and extendible safe fence device。
Being to be understood that example as herein described and embodiment are only for illustrating, those skilled in the art can make various amendment or change according to it, when without departing from this utility model spirit, broadly falls into protection domain of the present utility model。
Claims (7)
1. the electronic layout car of primary equipment safety measure, including Platform trailer frame (1), the bottom of described Platform trailer frame (1) is provided with wheel (11) and is used for driving the first motor of wheel (11), it is characterized in that: the end face of described Platform trailer frame (1) is positioned at the front portion of direction of travel and is provided with the above stake holes of a row (12), being plugged with enclosure pile (2) in stake holes (12), the end face of described Platform trailer frame (1) is positioned at the rear portion of direction of travel and is plugged with plural extendible safe fence device；
Described extendible safe fence device includes containing box (4), rotating shaft (5) and fence mesh (6), described rotating shaft (5) is positioned at containing box (4), described rotating shaft (5) is rotatably installed on containing box (4) wall, and one end of described rotating shaft (5) stretches out containing box (4), described containing box (4) has strip gab (41), it is axial that the bearing of trend of described strip gab (41) is parallel to rotating shaft (5), length direction one end of described fence mesh (6) is stretched in containing box (4) and is fixed on through strip gab (41) in rotating shaft (5), and the width of described fence mesh (6) to be parallel to rotating shaft (5) axial, the length direction other end of described fence mesh (6) stays containing box (4) outward；
The end face of described Platform trailer frame (1) is positioned at the rear portion of direction of travel and is additionally provided with the driving mechanism rotated for drive shaft (5), described driving mechanism includes base (7), second motor (8) and driving axle (9), described base (7) is fixed on Platform trailer frame (1), described second motor (8) is fixed on base (7), described driving axle (9) is rotatably installed on base (7), chain drive is passed through between output shaft and driving axle (9) of described second motor (8), described driving axle (9) is provided with the hole (91) of the one end stretching out containing box (4) for holding rotating shaft (5), during use, one end stretching out containing box (4) of described rotating shaft (5) is stretched in hole (91), described rotating shaft (5) and hole (91), drive axle (9) coaxial line, one end stretching out containing box (4) of described rotating shaft (5) is additionally provided with gear (51), on the hole wall in described hole (91), the position of respective gears (51) is provided with the circle teeth matched with gear (51)。
2. the electronic layout car of primary equipment safety measure as claimed in claim 1, it is characterised in that: the end face of described Platform trailer frame (1) is positioned at the middle part of direction of travel and is provided with mechanical arm (3)。
3. the electronic layout car of primary equipment safety measure as claimed in claim 1 or 2, it is characterised in that: the profile of described containing box (4) is cylindrical, described rotating shaft (5) and containing box (4) coaxial line。
4. the electronic layout car of primary equipment safety measure as claimed in claim 1 or 2, it is characterised in that: the outer surface of described containing box (4) along rotating shaft (5) axial be respectively arranged at two ends with plural hook (42)。
5. the electronic layout car of primary equipment safety measure as claimed in claim 1 or 2, it is characterised in that: the outer surface of described containing box (4) is additionally provided with handle (43)。
6. the electronic layout car of primary equipment safety measure as claimed in claim 1 or 2, it is characterised in that: the end, one end stretching out containing box (4) of described rotating shaft (5) is designed to taper。
7. the electronic layout car of primary equipment safety measure as claimed in claim 1 or 2, it is characterized in that: also include for controlling mechanical arm (3), the controller of the first motor and the second motor (8), described Platform trailer frame (1) is positioned at the front end of direction of travel and is provided with front apron (14), the front photographic head (15) for observing forward walking path it is provided with and for observing the rear photographic head (16) of enclosure pile (2) backward in the middle part of the end face of described front apron (14), the end face sidepiece of described front apron (14) is provided with the side photographic head (17) for observing mechanical arm (3), described front photographic head (15), rear photographic head (16) and side photographic head (17) are by controller control。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620082430.7U CN205330278U (en) | 2016-01-26 | 2016-01-26 | Electronic car of arranging of primary equipment safety measure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620082430.7U CN205330278U (en) | 2016-01-26 | 2016-01-26 | Electronic car of arranging of primary equipment safety measure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205330278U true CN205330278U (en) | 2016-06-22 |
Family
ID=56318784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620082430.7U Active CN205330278U (en) | 2016-01-26 | 2016-01-26 | Electronic car of arranging of primary equipment safety measure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205330278U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269114A (en) * | 2017-07-07 | 2017-10-20 | 渠承明 | Road safety job execution barrier structure and its construction method |
| CN107558805A (en) * | 2017-06-21 | 2018-01-09 | 渠承明 | Municipal road construction enclosing board mounting structure and its construction method |
| CN111989447A (en) * | 2019-09-30 | 2020-11-24 | 合肥市智慧桥信息科技有限公司 | Fence frame and fence system |
| CN112523606A (en) * | 2021-01-08 | 2021-03-19 | 时广东 | Fence dismantling device capable of automatically loading vehicles |
-
2016
- 2016-01-26 CN CN201620082430.7U patent/CN205330278U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558805A (en) * | 2017-06-21 | 2018-01-09 | 渠承明 | Municipal road construction enclosing board mounting structure and its construction method |
| CN107558805B (en) * | 2017-06-21 | 2019-06-04 | 广东豪源建设有限公司 | Municipal road construction enclosing board mounting structure and its construction method |
| CN107269114A (en) * | 2017-07-07 | 2017-10-20 | 渠承明 | Road safety job execution barrier structure and its construction method |
| CN109252737A (en) * | 2017-07-07 | 2019-01-22 | 渠承明 | Road safety job execution barrier structure and its construction method |
| CN109252736A (en) * | 2017-07-07 | 2019-01-22 | 渠承明 | Road safety job execution barrier structure |
| CN109252736B (en) * | 2017-07-07 | 2020-06-12 | 湖南筑达建筑工程有限公司 | Road safety operation construction barrier structure |
| CN111989447A (en) * | 2019-09-30 | 2020-11-24 | 合肥市智慧桥信息科技有限公司 | Fence frame and fence system |
| WO2021062848A1 (en) * | 2019-09-30 | 2021-04-08 | 合肥市智慧桥信息科技有限公司 | Trolley frame for fences and fence system |
| US11091931B2 (en) | 2019-09-30 | 2021-08-17 | Hefei Wisdom Bridge Information Technology Co., Ltd. | Fence frame and fence system |
| CN111989447B (en) * | 2019-09-30 | 2022-02-18 | 合肥市智慧桥信息科技有限公司 | Fence frame and fence system |
| CN112523606A (en) * | 2021-01-08 | 2021-03-19 | 时广东 | Fence dismantling device capable of automatically loading vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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 |