CN112039009B - Box-shaped lightning arrester with rotary positioning support - Google Patents
Box-shaped lightning arrester with rotary positioning support Download PDFInfo
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- CN112039009B CN112039009B CN202010861259.0A CN202010861259A CN112039009B CN 112039009 B CN112039009 B CN 112039009B CN 202010861259 A CN202010861259 A CN 202010861259A CN 112039009 B CN112039009 B CN 112039009B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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Abstract
The invention discloses a box-shaped lightning arrester with a rotary positioning bracket, wherein a connecting support plate is arranged at the bottom of a box-shaped lightning arrester body; a pair of connection limiting plates which are arranged symmetrically left and right are formed on the lower end surface of the connection supporting plate; the end surfaces of the pair of connecting limit plates, which are close to each other, are respectively formed with a rotary connecting groove; a rotary central column is fixed between the middle parts of the front and rear side walls of the rotary connecting groove; the rotating central column is pivoted with an L-shaped rotating positioning bracket; the rotating central column is positioned at the corner of the rotating positioning bracket; a cuboid-shaped lower limiting block is formed on the bottom surface of the limiting groove; the length of the lower limiting block in the left-right direction is the same as the distance between the end faces, close to each other, of the pair of connecting limiting plates; an upper limiting plate is arranged between the front side wall and the rear side wall of the limiting groove in a vertically moving mode; gaps are arranged between the left end surface and the right end surface of the limiting groove and the connecting limiting plates at the two sides.
Description
Technical Field
The invention relates to the technical field of box-shaped arresters, in particular to a box-shaped arrester with a rotary positioning support.
Background
The most original lightning arrester is a claw-shaped gap which appears at the end of the 19 th century and is used for an overhead transmission line to prevent power failure caused by lightning stroke damaging equipment insulation, so the lightning arrester is called as a lightning arrester. In the 20 th century, aluminum arresters, oxide film arresters and pellet arresters appeared. Tubular arresters appeared in the 30 s. Silicon carbide arresters appeared in the 50 s. In the 70 s, metal oxide arresters were also available. The modern high-voltage arrester is used for limiting overvoltage caused by thunder and lightning in a power system and also used for limiting overvoltage generated by system operation, and the arrester is used for protecting electrical equipment from being damaged by high transient overvoltage and limiting follow current time and is also used for normally limiting follow current assignment. The main material is zinc oxide.
However, the existing box-shaped lightning arrester has a lot of disadvantages, for example, the existing box-shaped lightning arrester is inconvenient to install and disassemble, the lightning arrester needs to be disassembled once being damaged in the using process of the lightning arrester, then a new lightning arrester is installed, so that the better work among cable elements is facilitated, and the maintenance of the lightning arrester is facilitated.
Disclosure of Invention
The invention aims to solve the technical problem that the existing box-shaped lightning arrester is inconvenient to assemble and disassemble, and provides a box-shaped lightning arrester with a rotary positioning bracket.
The technical scheme for solving the technical problems is as follows: a box-shaped lightning arrester with a rotary positioning bracket comprises a box-shaped lightning arrester body, a limiting box and a mounting plate; the limiting box is a cuboid with a rectangular groove-shaped limiting groove formed in the upper end face; the limiting box is fixed on the upper end surface of the mounting plate; the bottom of the box-shaped lightning arrester body is provided with a connecting support plate; a pair of connection limiting plates which are arranged symmetrically left and right are formed on the lower end surface of the connection supporting plate; the end surfaces of the pair of connecting limit plates, which are close to each other, are respectively formed with a rotary connecting groove; a rotary central column is fixed between the middle parts of the front and rear side walls of the rotary connecting groove; the rotating central column is pivoted with an L-shaped rotating positioning bracket; the rotating central column is positioned at the corner of the rotating positioning bracket; a cuboid-shaped lower limiting block is formed on the bottom surface of the limiting groove; the length of the lower limiting block in the left-right direction is the same as the distance between the end faces, close to each other, of the pair of connecting limiting plates; the left-right direction groove width of the limiting groove is the same as the distance between the end faces, far away from each other, of the pair of connecting limiting plates; the front and rear width of the limiting groove is the same as the front and rear width of the connecting limiting plate; an upper limiting plate is arranged between the front side wall and the rear side wall of the limiting groove in a vertically moving mode; gaps are arranged between the left end surface and the right end surface of the limiting groove and the connecting limiting plates at the two sides; when one of the pair of rotary positioning brackets is in a horizontal state, the distance between the end surfaces, close to each other, of one side of the pair of rotary positioning brackets in the horizontal state is smaller than the left-right width of the upper limiting plate; when the bottom surfaces of the pair of connecting limiting plates abut against the bottom surfaces of the limiting grooves, the lower end surfaces of the horizontal edges of the pair of rotary positioning supports abut against the upper end surface of the lower limiting block.
Preferably, a pair of rectangular hole-shaped vertical guide holes which are symmetrically arranged left and right are formed in the front side wall and the rear side wall of the limiting groove respectively; a pair of vertical connecting plates matched with the vertical guide holes are respectively formed at the upper ends of the front end surface and the rear end surface of the upper limiting plate; a driving limit plate is formed at one end of the vertical connecting plate, which is far away from the upper limit plate; a pair of U-shaped limiting seats with inward openings are respectively formed on the front end surface and the rear end surface of the limiting box; the left end and the right end of the vertical connecting plate are respectively positioned in the openings of the pair of limiting seats on the corresponding sides; the limiting seat is provided with a limiting device; the limiting device is used for limiting the vertical connecting plate to be positioned at the uppermost end or the lowermost end.
Preferably, the limiting device is a limiting bolt; the upper end and the lower end of the vertical part of the limiting seat are respectively provided with a limiting hole which is penetrated left and right and is used for a screw rod of a limiting bolt to penetrate left and right; and threaded holes matched with the limiting bolts are formed in the left end surface and the right end surface of the vertical connecting plate respectively.
Preferably, a left sliding groove and a right sliding groove are formed in the middle of the lower end face of the upper limiting plate; a pair of limiting and leaning plates are arranged in the left and right sliding grooves in a left and right moving manner; the pair of limiting abutting plates are synchronously far away or close to each other; when the pair of limiting and abutting plates are farthest away, one ends, far away from the pair of limiting and abutting plates, of the pair of limiting and abutting plates abut against the vertical edges of the corresponding sides of the pair of rotary positioning brackets; when the pair of limiting abutting plates are closest to each other, the end surfaces of the pair of limiting abutting plates, which are far away from each other, are flush with the left end surface and the right end surface of the upper limiting plate respectively.
Preferably, as the technical proposal, the center of the upper side wall of the left and right sliding grooves is provided with a driving groove; a driving block is vertically and movably arranged in the driving groove; inner vertical moving holes which penetrate through the front and the rear of the front and the rear side walls of the driving block are respectively formed; the front side wall and the rear side wall of the limiting groove are respectively provided with an outer vertical moving hole which penetrates through the front side wall and the rear side wall; limiting screws are respectively formed on the front end surface and the rear end surface of the driving block; the limiting screw rods are vertically movably arranged in the inner vertical moving holes and the outer vertical moving holes on the corresponding sides; the left end surface and the right end surface of the driving block are respectively hinged with a driving connecting rod; the other end of the driving connecting rod is hinged on the end face of the corresponding side of the limiting abutting plate; a limit nut is screwed on the limit screw rod; the limiting nut abuts against the end face of the corresponding side of the limiting box.
Preferably, when the driving block is at the lowest end, the pair of limiting abutting plates are farthest away and the driving connecting rod is in a horizontal state.
The invention has the beneficial effects that: simple structure, the box arrester easy dismounting.
Drawings
FIG. 1 is a schematic structural view of a cross section of the present invention;
FIG. 2 is an enlarged partial schematic view of A of FIG. 1 in accordance with the present invention;
fig. 3 is a front view of the check box 20 of the present invention.
In the figure, 10, a box-shaped arrester body; 11. connecting the supporting plate; 12. connecting the limiting plate; 120. rotating the connecting groove; 13. rotating the central column; 14. rotating the positioning bracket; 20. a limiting box; 200. a limiting groove; 201. a vertical guide hole; 202. an outer vertical displacement bore; 21. a lower limiting block; 22. an upper limiting plate; 220. a drive slot; 221. a left and a right sliding grooves; 222. an inner vertical moving hole; 223. a vertical connecting plate; 224. driving the limit plate; 23. a limiting leaning plate; 24. a drive block; 241. a limit screw; 25. a drive link; 26. a limiting seat; 27. a limit bolt; 28. and a limiting nut.
Detailed Description
As shown in fig. 1 to 3, a box-shaped arrester with a rotational positioning bracket includes a box-shaped arrester body 10, a spacing box 20, and a mounting plate 30; the limiting box 20 is a cuboid with a rectangular groove-shaped limiting groove 200 formed on the upper end face; the limiting box 20 is fixed on the upper end surface of the mounting plate 30; the bottom of the box-shaped lightning arrester body 10 is provided with a connecting support plate 11; a pair of connection limiting plates 12 which are arranged in bilateral symmetry are formed on the lower end face of the connection supporting plate 11; the mutually adjacent end surfaces of the pair of connection limit plates 12 are respectively formed with a rotary connection groove 120; a rotary central column 13 is fixed between the middle parts of the front and rear side walls of the rotary connecting groove 120; an L-shaped rotary positioning bracket 14 is pivoted on the rotary central column 13; the rotary central column 13 is positioned at the corner of the rotary positioning bracket 14; a rectangular lower limiting block 21 is formed on the bottom surface of the limiting groove 200; the length of the lower limit block 21 in the left-right direction is the same as the distance between the end faces of the pair of connection limit plates 12 which are close to each other; the left-right direction groove width of the limiting groove 200 is the same as the distance between the end faces of the pair of connection limiting plates 12 which are far away from each other; the front-rear direction groove width of the limit groove 200 is the same as the front-rear width of the connection limit plate 12; an upper limiting plate 22 is arranged between the front side wall and the rear side wall of the limiting groove 200 in a way of moving up and down; gaps are arranged between the left end surface and the right end surface of the limiting groove 200 and the connecting limiting plates 12 at the two sides; when one of the pair of rotational positioning brackets 14 is in a horizontal state, the distance between the end surfaces of the pair of rotational positioning brackets 14 in the horizontal state, which are close to each other, is smaller than the left-right width of the upper limiting plate 22; when the bottom surfaces of the pair of connection limit plates 12 abut against the bottom surfaces of the limit grooves 200, the lower end surfaces of the horizontal sides of the pair of rotational position brackets 14 abut against the upper end surface of the lower limit block 21.
As shown in fig. 1 and 3, a pair of rectangular hole-shaped vertical guide holes 201 are formed in the front and rear side walls of the limiting groove 200, and are arranged symmetrically left and right; a pair of vertical connecting plates 223 matched with the vertical guide holes 201 are respectively formed at the upper ends of the front end surface and the rear end surface of the upper limiting plate 22; a driving limit plate 224 is formed at one end of the vertical connecting plate 223 far away from the upper limit plate 22; a pair of U-shaped limiting seats 26 with inward openings are respectively formed on the front end surface and the rear end surface of the limiting box 20; the left end and the right end of the vertical connecting plate 223 are respectively positioned in the openings of the pair of limiting seats 26 on the corresponding sides; the limiting seat 26 is provided with a limiting device; the limiting means serves to limit the vertical connecting plate 223 to be uppermost or lowermost.
As shown in fig. 1 and 3, the limiting device is a limiting bolt 27; the upper end and the lower end of the vertical part of the limiting seat 26 are respectively provided with a limiting hole which is penetrated left and right and is used for a screw rod of the limiting bolt 27 to penetrate left and right; threaded holes matched with the limiting bolts 27 are formed in the left end face and the right end face of the vertical connecting plate 223 respectively.
As shown in fig. 2, a left and a right sliding grooves 221 are formed in the middle of the lower end surface of the upper limiting plate 22; a pair of limiting and leaning plates 23 are arranged in the left and right sliding grooves 221 in a left-right moving manner; the pair of limit abutting plates 23 are synchronously far away or close to each other; when the pair of limit abutting plates 23 are farthest away, the ends, far away from the pair of limit abutting plates 23, abut against the edges in the vertical state of the corresponding sides of the pair of rotary positioning brackets 14; when the pair of limit abutting plates 23 are closest to each other, end surfaces of the pair of limit abutting plates 23, which are away from each other, are flush with left and right end surfaces of the upper limit plate 22, respectively.
As shown in fig. 1 to 3, a driving groove 220 is formed at the center of the upper side wall of the left and right sliding grooves 221; the driving block 24 is vertically arranged in the driving groove 220 in a moving way; inner vertical moving holes 222 penetrating in the front and the rear are respectively formed on the front and the rear side walls of the driving block 24; the front and rear side walls of the limiting groove 200 are respectively formed with an outer vertical moving hole 202 which penetrates through the front and rear; limiting screws 241 are respectively formed on the front end surface and the rear end surface of the driving block 24; the limiting screw 241 is vertically movably arranged in the inner vertical moving hole 222 and the outer vertical moving hole 202 on the corresponding side; the left end surface and the right end surface of the driving block 24 are respectively hinged with a driving connecting rod 25; the other end of the driving connecting rod 25 is hinged on the end surface of the corresponding side of the limit leaning plate 23; a limit nut 28 is screwed on the limit screw 241; the stop nut 28 abuts against the end surface of the corresponding side of the stop box 20.
As shown in fig. 1 and 2, when the driving block 24 is at the lowermost end, the pair of limit abutment plates 23 are farthest apart and the driving link 25 is in a horizontal state.
The working principle of the box-shaped lightning arrester with the rotary positioning bracket is that;
in the initial state, the upper limiting plate 22 is at the uppermost end, one side of the pair of rotational positioning brackets 14 is horizontal, the other side is vertical, and the horizontal side is located at the upper side of the vertical side;
when the pair of connection limiting plates 12 are inserted into the limiting groove 200 from top to bottom, the horizontal edges of the pair of rotation positioning brackets 14 are blocked by the upper limiting plate 22 in the process, so that the pair of connection limiting plates 12 rotate, as the pair of connection limiting plates 12 are continuously inserted downwards, the pair of connection limiting plates 12 bypass the upper limiting plate 22, then the edges of the lower sides of the pair of rotation positioning brackets 14 are blocked by the upper end surface of the lower limiting plate 21, the edges of the lower sides of the rotation positioning brackets 14 gradually become horizontal, when the bottoms of the pair of connection limiting plates 12 abut against the bottom surface of the limiting groove 200, the lower end surfaces of the horizontal edges of the pair of rotation positioning brackets 14 abut against the upper end surface of the lower limiting plate 21, then the upper limiting plate 22 descends to abut against the horizontal edges of the pair of rotation positioning brackets 14, so that the box-shaped lightning arrester body 10 is limited, and the last pair of limiting abutting plates 23 synchronously keep away until the end surfaces of the corresponding sides abut against the vertical edges of the pair of rotation positioning brackets 14 A straight side, thus further confining the box-shaped arrester body 10;
the principle of disassembly is the same as that of assembly,
thus, the box-shaped lightning arrester is convenient to disassemble and assemble.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (5)
1. A box-shaped lightning arrester with a rotational positioning bracket, characterized in that: comprises a box-shaped lightning arrester body (10), a limit box (20) and a mounting plate (30); the limiting box (20) is a cuboid with a rectangular groove-shaped limiting groove (200) formed on the upper end surface; the limiting box (20) is fixed on the upper end surface of the mounting plate (30); the bottom of the box-shaped lightning arrester body (10) is provided with a connecting support plate (11); a pair of connection limiting plates (12) which are arranged in a bilateral symmetry manner are formed on the lower end face of the connection supporting plate (11); the end surfaces of the pair of connecting limit plates (12) close to each other are respectively formed with a rotary connecting groove (120); a rotary central column (13) is fixed between the middle parts of the front and rear side walls of the rotary connecting groove (120); an L-shaped rotary positioning bracket (14) is pivoted on the rotary central column (13); the rotary central column (13) is positioned at the corner of the rotary positioning bracket (14); a cuboid-shaped lower limiting block (21) is formed on the bottom surface of the limiting groove (200); the length of the lower limiting block (21) in the left-right direction is the same as the distance between the end faces, close to each other, of the pair of connecting limiting plates (12); the left-right direction groove width of the limiting groove (200) is the same as the distance between the end surfaces of the pair of connecting limiting plates (12) which are far away from each other; the front-back direction groove width of the limiting groove (200) is the same as the front-back width of the connecting limiting plate (12); an upper limiting plate (22) is arranged between the front side wall and the rear side wall of the limiting groove (200) in a vertically moving mode; gaps are arranged between the left end surface and the right end surface of the limiting groove (200) and the connecting limiting plates (12) at the two sides; when one of the pair of rotary positioning brackets (14) is in a horizontal state, the distance between the end surfaces, close to each other, of one horizontal side of the pair of rotary positioning brackets (14) is smaller than the left-right width of the upper limiting plate (22); when the bottom surfaces of the pair of connecting limit plates (12) abut against the bottom surfaces of the limit grooves (200), the lower end surfaces of the horizontal sides of the pair of rotary positioning brackets (14) abut against the upper end surface of the lower limit block (21);
a pair of rectangular hole-shaped vertical guide holes (201) which are symmetrically arranged left and right are formed in the front side wall and the rear side wall of the limiting groove (200) respectively; a pair of vertical connecting plates (223) matched with the vertical guide holes (201) are respectively formed at the upper ends of the front end surface and the rear end surface of the upper limiting plate (22); a driving limit plate (224) is formed at one end of the vertical connecting plate (223) far away from the upper limit plate (22); a pair of U-shaped limiting seats (26) with inward openings are respectively formed on the front end surface and the rear end surface of the limiting box (20); the left end and the right end of the vertical connecting plate (223) are respectively positioned in the openings of the pair of limiting seats (26) on the corresponding sides; a limiting device is arranged on the limiting seat (26); the limiting device is used for limiting the vertical connecting plate (223) to be at the uppermost end or the lowermost end.
2. The box-shaped arrester with the rotational positioning bracket as set forth in claim 1, wherein: the limiting device is a limiting bolt (27); the upper end and the lower end of the vertical part of the limiting seat (26) are respectively provided with a limiting hole which is penetrated left and right and is used for a screw rod of a limiting bolt (27) to penetrate left and right; and threaded holes matched with the limiting bolts (27) are formed in the left end surface and the right end surface of the vertical connecting plate (223) respectively.
3. The box-shaped arrester with the rotational positioning bracket as set forth in claim 1, wherein: a left sliding groove and a right sliding groove (221) are formed in the middle of the lower end face of the upper limiting plate (22); a pair of limit leaning plates (23) are arranged in the left and right sliding grooves (221) in a left and right moving way; the pair of limiting leaning plates (23) are synchronously far away or close to each other; when the pair of limiting abutting plates (23) are farthest away, one ends, far away from the pair of limiting abutting plates (23), abut against the edges of the corresponding sides of the pair of rotary positioning brackets (14) in a vertical state; when the pair of limiting and abutting plates (23) are nearest, the end surfaces of the pair of limiting and abutting plates (23) which are far away from each other are respectively flush with the left end surface and the right end surface of the upper limiting plate (22).
4. A box-shaped arrester with a rotational positioning bracket according to claim 3, characterized in that: a driving groove (220) is formed in the center of the upper side wall of the left and right sliding grooves (221); a driving block (24) is vertically arranged in the driving groove (220) in a moving way; inner vertical moving holes (222) which penetrate through the front and the rear of the front and the rear side walls of the driving block (24) are respectively formed; outer vertical moving holes (202) which penetrate through the front and the back are formed in the front and the back side walls of the limiting groove (200) respectively; limiting screws (241) are respectively formed on the front end surface and the rear end surface of the driving block (24); the limiting screw rods (241) are vertically movably arranged in the inner vertical moving holes (222) and the outer vertical moving holes (202) of the corresponding sides; the left end surface and the right end surface of the driving block (24) are respectively hinged with a driving connecting rod (25); the other end of the driving connecting rod (25) is hinged on the end surface of the corresponding side of the limiting and leaning plate (23); a limit nut (28) is screwed on the limit screw (241); the limiting nut (28) abuts against the end face of the corresponding side of the limiting box (20).
5. The box-shaped arrester with the rotational positioning bracket as set forth in claim 4, wherein: when the driving block (24) is at the lowest end, the pair of limit abutting plates (23) are farthest away and the driving connecting rod (25) is in a horizontal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010861259.0A CN112039009B (en) | 2020-08-25 | 2020-08-25 | Box-shaped lightning arrester with rotary positioning support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010861259.0A CN112039009B (en) | 2020-08-25 | 2020-08-25 | Box-shaped lightning arrester with rotary positioning support |
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| CN112039009A CN112039009A (en) | 2020-12-04 |
| CN112039009B true CN112039009B (en) | 2021-11-09 |
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| CN108879564A (en) * | 2018-07-19 | 2018-11-23 | 石力峰 | A kind of arrester of new material |
| CN109038461A (en) * | 2018-08-14 | 2018-12-18 | 芜湖市凯鑫避雷器有限责任公司 | A kind of stable mounting base of arrester |
| CN209823382U (en) * | 2019-05-22 | 2019-12-20 | 山西雷诺达防雷技术有限公司 | Combined lightning arrester convenient to disassemble and assemble by user |
| CN110662386A (en) * | 2019-11-11 | 2020-01-07 | 徐州生波网络科技有限公司 | FTU device capable of realizing 4G network communication |
| CN210725655U (en) * | 2019-10-14 | 2020-06-09 | 深圳市兴研科技有限公司 | Stable and strong impact-resistant vehicle-mounted industrial personal computer case |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9407074B2 (en) * | 2012-06-01 | 2016-08-02 | Creston Electronics, Inc. | Mount assembly |
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2020
- 2020-08-25 CN CN202010861259.0A patent/CN112039009B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879564A (en) * | 2018-07-19 | 2018-11-23 | 石力峰 | A kind of arrester of new material |
| CN109038461A (en) * | 2018-08-14 | 2018-12-18 | 芜湖市凯鑫避雷器有限责任公司 | A kind of stable mounting base of arrester |
| CN209823382U (en) * | 2019-05-22 | 2019-12-20 | 山西雷诺达防雷技术有限公司 | Combined lightning arrester convenient to disassemble and assemble by user |
| CN210725655U (en) * | 2019-10-14 | 2020-06-09 | 深圳市兴研科技有限公司 | Stable and strong impact-resistant vehicle-mounted industrial personal computer case |
| CN110662386A (en) * | 2019-11-11 | 2020-01-07 | 徐州生波网络科技有限公司 | FTU device capable of realizing 4G network communication |
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| CN112039009A (en) | 2020-12-04 |
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Inventor after: Zou Yu Inventor after: Qiu Longfu Inventor after: Jiang Zaixin Inventor after: Pan Jianli Inventor before: Pan Jianli |
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Effective date of registration: 20211018 Address after: No.1 Sanyan Road, Qinzhou City, Guangxi Zhuang Autonomous Region Applicant after: QINZHOU POWER SUPPLY BUREAU OF GUANGXI POWER GRID Co.,Ltd. Address before: Room 1201, building 1, 268 Moganshan Road, Gongshu District, Hangzhou, Zhejiang 310000 Applicant before: HANGZHOU YOUPU INFORMATION TECHNOLOGY Co.,Ltd. |
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