CN107869275B - Telegraph pole adjusting device - Google Patents
Telegraph pole adjusting device Download PDFInfo
- Publication number
- CN107869275B CN107869275B CN201711386516.4A CN201711386516A CN107869275B CN 107869275 B CN107869275 B CN 107869275B CN 201711386516 A CN201711386516 A CN 201711386516A CN 107869275 B CN107869275 B CN 107869275B
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- China
- Prior art keywords
- supporting
- leveling
- piston rod
- pole
- oil
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- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/345—Arrangements for tilting up whole structures or sections thereof
Abstract
The invention provides a telegraph pole adjuster, which comprises a base, a supporting device fixedly arranged on the base, a lifting device for adjusting the height and a fastening device for fixing a telegraph pole, wherein the lifting device is arranged on the base; the supporting device comprises a supporting seat fixedly connected with the base, a supporting tube arranged on the supporting seat and a supporting frame used for connecting the supporting seat and the supporting tube; the invention has small volume, can adjust the telegraph pole inclined in a narrow space, saves time and labor and greatly improves the working efficiency.
Description
Technical Field
The invention relates to the field of electric tools, in particular to a pole adjuster for a telegraph pole.
Background
The utility model discloses a cement pole for erect the electric wire, because its length is too big, the old circuit in the erection process or in operation can not avoid taking place the slope of individual pole certain angle, can not only produce the damage to a certain extent to the electric wire after the electric wire pole takes place to slope, also can have very big potential safety hazard. In recent years, the number of the shed areas around county is increased, and the electric pole assembly engineering at the edges of the shed areas cannot be constructed smoothly, so that manpower and vehicles cannot reach the positions to work. If the position of the electric pole is in narrow sections such as between sheds, between houses or in an orchard, the electric pole needs to be corrected and adjusted, the crane cannot approach, and people cannot spread, so that the engineering progress is delayed, and manpower, material resources and financial resources are wasted. The traditional positive pole method is as follows: the complex power outage plan is required to be handled, the crane and the manpower are matched with each other to work, firstly, an operator is required to log on a pole to tie a rope on the upper portion of the pole, then the filler or soil on one side of the pole root is removed, and then 4-5 persons pull the rope forcefully to correct the pole, so that a large operation movement space is required, the working time is long, the manpower is more, the occupied area of the crane is large, when the working environment is not suitable, the crane cannot enter a working site at all, only the manpower is used alone, the construction task is not completed, and thus, the engineering progress is delayed, and the manpower, material resources and financial resources are wasted.
Disclosure of Invention
In order to solve the technical problems, the invention provides the telegraph pole adjusting device which is small in size, can adjust the telegraph pole inclined in a narrow space, saves time and labor, and greatly improves the working efficiency.
In order to solve the problems, the invention adopts the following technical scheme:
the invention comprises a base, a supporting device fixedly arranged on the base, a lifting device for adjusting the height and a fastening device for fixing a telegraph pole;
the supporting device comprises a supporting seat fixedly connected with the base, a supporting tube arranged on the supporting seat and a supporting frame used for connecting the supporting seat and the supporting tube;
the lifting device comprises a lifting base arranged on the supporting seat, and an oil cylinder and a pump cylinder which are arranged on the lifting base; an outer oil tank is arranged outside the oil cylinder; a piston rod is arranged in the oil cylinder; the bottom of the piston rod is provided with a large piston; the pump cylinder is spiral; a spiral piston rod and a small piston which are matched with the shape of the pump cylinder are arranged in the pump cylinder; the top of the spiral piston rod is provided with a handle; the pump cylinder is communicated with the oil cylinder, the pump cylinder is communicated with the outer oil tank through an oil pipe, and the oil cylinder is communicated with the outer oil tank through an oil pipe; an oil return valve rod is arranged on an oil pipe between the oil cylinder and the outer oil tank; a one-way valve is arranged on an oil pipe between the pump cylinder and the oil cylinder and between the pump cylinder and the outer oil tank; the piston rod penetrates out of the support tube; the top of the piston rod is fixedly provided with a horizontal bracket; the invention clamps the telegraph pole through the fastening device, the horizontal bracket props against the fastening device, then the angle of the telegraph pole is regulated by lifting the piston rod, the aim of increasing the regulating amplitude is generally realized by reducing the diameter of the oil cylinder or increasing the diameter of the pump cylinder, the diameter of the piston rod is not too small due to the larger weight of the telegraph pole, the aim of increasing the regulating amplitude is obviously not feasible by changing the diameter in consideration of the volume and the weight of the device, the inside of the pump cylinder is designed into a spiral shape, and the piston rod is designed into a spiral piston rod matched with the shape of the piston rod, so that the oil path can be prolonged, the volume can be reduced, and the aim of increasing the regulating amplitude is realized.
The fastening device comprises a left fastening ring and a right fastening ring which are connected through a bolt fastener; the left fastening ring and the right fastening ring are respectively two semicircles, rectangular connecting plates are arranged at the interfaces of the two sides, screw holes are formed in the rectangular connecting plates, and the rectangular connecting plates at the corresponding sides of the left fastening ring and the right fastening ring are respectively connected through bolt fasteners, so that the left fastening ring and the right fastening ring are connected together, the purpose of clamping a telegraph pole is realized, but the position of the telegraph pole to be clamped needs to be smooth, and particularly transverse lines cannot be formed; one side of the right fastening ring is provided with a leveling device.
As a further improvement of the present invention, the leveling device includes a cubic connection block provided at one side of the right fastening ring; leveling rules are arranged on the front side surface and the right side surface of the connecting block, and the purpose of leveling in two horizontal dimensions is achieved as the front side surface and the right side surface are mutually vertical; in order to facilitate observation, the leveling ruler is of a fan-shaped transparent structure, and scales are arranged along the outer part of the arc-shaped edge of the leveling ruler; an arc-shaped channel is formed along the inner part of the arc-shaped edge of the leveling ruler; the leveling ball is arranged in the arc-shaped channel, the leveling purpose is achieved by observing the position of the leveling ball in the arc-shaped channel, and when the leveling ball is at the lowest position of the arc-shaped channel, the leveling ball indicates that the telegraph pole is not inclined in the dimension; the size of the arc-shaped channel is larger than the diameter of the leveling ball; one side of the arc-shaped channel is provided with an air vent; the aperture of the air vent is smaller than that of the leveling ball.
As a further improvement of the invention, the bottom of the supporting tube is welded with the upper end of the lifting base.
As a further improvement of the invention, the support seat is of a T shape.
As a further improvement of the invention, the number of the supporting frames is three; a reinforcing rod is arranged between each supporting frame and each supporting tube.
The invention has the following technical effects:
when the electric pole is used, the lifting device is used for supporting the fastening device, and the angle of the electric pole can be adjusted through the lifting action; the lifting device adopts a hydraulic principle to realize the purpose of jacking, and the jacking force is large enough; the pump cylinder and the spiral piston rod are spiral, and the spiral piston rod moves forward in the spiral pump cylinder through rotation, so that the compression stroke is increased, the lifting height is increased, the volume can be reduced, and the device is more convenient; the leveling device can check the inclination angle of the telegraph pole in real time in two dimensions; the leveling ruler is made of transparent materials, so that the scales where the balls are positioned can be conveniently checked; the size of the arc-shaped channel is larger than the diameter of the leveling ball, so that the ball can be ensured to freely roll under the action of gravity, and the friction force is prevented from generating resistance to the rolling of the leveling ball; the aperture of the vent hole is smaller than that of the leveling ball, so that the leveling ball is prevented from falling out of the vent hole; the invention has the advantages that power failure is not needed, pole climbing is not needed, the operation is convenient, quick and easy, the inclined pole can be adjusted only by 2 people for 15-20 minutes, the invention is suitable for the pole correction work in any narrow space, the invention is not influenced by the size of the field environment, the root of the pole can be operated, the pole correction of 15 meters or less can be easily operated, the operation time is short, the occupied area is small, the addition of a plurality of people or vehicles is not needed, the manpower, material resources and financial resources are greatly saved, and the time is gained for the project progress to finish in advance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the lifting device of the present invention;
FIG. 3 is an enlarged partial view of portion A of FIG. 1;
fig. 4 is a view showing the use state of the present invention.
In the accompanying drawings: 1-a base; 2-a supporting seat; 3-lifting the base; 4-supporting frames; 5-a reinforcing rod; 6-supporting the tube; 7-horizontal brackets; 8-large piston; 9-an oil cylinder; 10-an outer oil tank; 11-a one-way valve; 12-an oil return valve rod; 13-a pump cylinder; 14-small pistons; 15-a spiral piston rod; 16-a piston rod; 17-right fastening ring; 18-left fastening ring; 19-a bolt fastener; 20-connecting blocks; 21-finding a leveling ruler; 22-leveling balls; 23-ventilation holes; 24-a piston rod; 25-arc-shaped channel.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to specific embodiments and attached drawings.
As shown in fig. 1 to 4, the invention comprises a base 1, a supporting device fixedly installed on the base 1, a lifting device for adjusting the height and a fastening device for fixing a telegraph pole;
the supporting device comprises a supporting seat 2 fixedly connected with the base 1, a supporting tube 6 arranged on the supporting seat 2 and a supporting frame 4 used for connecting the supporting seat 2 and the supporting tube 6; the supporting seat 2 is T-shaped. The number of the supporting frames 4 is three; a reinforcing rod 5 is arranged between each supporting frame 4 and the supporting tube 6.
The lifting device comprises a lifting base 3 arranged on the supporting seat 2, an oil cylinder 9 and a pump cylinder 13 arranged on the lifting base 3; an outer oil tank 10 is arranged outside the oil cylinder 9; a piston rod 24 is arranged in the oil cylinder 9; the bottom of the piston rod 24 is provided with a large piston 8; the pump cylinder 13 is spiral; a spiral piston rod 15 and a small piston 14 which are matched with the shape of the pump cylinder 13 are arranged in the pump cylinder 13; a handle 16 is arranged at the top of the spiral piston rod 15; the pump cylinder 13 is communicated with the oil cylinder 9, the pump cylinder 13 is communicated with the outer oil tank 10, and the oil cylinder 9 is communicated with the outer oil tank 10 through oil pipes; an oil return valve rod 12 is arranged on an oil pipe between the oil cylinder 9 and the outer oil tank 10; a one-way valve 11 is arranged on an oil pipe between the pump cylinder 13 and the oil cylinder 9 and between the pump cylinder 13 and the outer oil tank 10; the piston rod 24 penetrates out of the support tube 6; the top of the piston rod 24 is fixedly provided with a horizontal bracket 7; the bottom of the supporting tube 6 is welded with the upper end of the lifting base 3. The invention uses the fastening device to clamp the telegraph pole, the horizontal bracket 7 is propped against the fastening device, then the angle of the telegraph pole is regulated by lifting the piston rod 24, the aim of increasing the regulating amplitude is generally realized by reducing the diameter of the oil cylinder or increasing the diameter of the pump cylinder, the diameter of the piston rod 24 is not too small because the telegraph pole has larger weight, the aim of increasing the regulating amplitude is obviously not feasible by changing the diameter because the diameter of the pump cylinder is not too large in consideration of the volume and weight of the device, the piston rod is designed into a spiral shape, and the piston rod is designed into a spiral piston rod 15 matched with the shape of the piston rod, so that the oil path can be prolonged, the volume can be reduced, and the aim of increasing the regulating amplitude can be realized.
The fastening means comprises a left fastening ring 18 and a right fastening ring 17 connected by a bolt fastener 19; the left fastening ring 18 and the right fastening ring 17 are respectively two semicircles, rectangular connecting plates are arranged at the interfaces of the two sides, screw holes are formed in the rectangular connecting plates, and the rectangular connecting plates at the corresponding sides of the left fastening ring 18 and the right fastening ring 17 are respectively connected through bolt fasteners 19, so that the left fastening ring 18 and the right fastening ring 17 are connected together to achieve the aim of clamping a telegraph pole, but the position of the telegraph pole to be clamped needs to be smooth, and particularly transverse lines cannot be formed; a leveling device is arranged on one side of the right fastening ring 17.
As a further development of the invention, the leveling device comprises a cubic connecting block 20 arranged on one side of the right fastening ring 17; leveling rules 21 are arranged on the front side surface and the right side surface of the connecting block 20, and the purpose of leveling in two horizontal dimensions is achieved because the front side surface and the right side surface are mutually vertical; for facilitating observation, the leveling rod 21 is of a fan-shaped transparent structure, and scales are arranged along the outer part of the arc-shaped edge of the leveling rod 21; an arc-shaped channel 25 is formed along the inner part of the arc-shaped edge of the leveling ruler 21; the leveling balls 22 are arranged in the arc-shaped channel 25, the leveling purpose is achieved by observing the positions of the leveling balls 22 in the arc-shaped channel 25, and when the leveling balls 22 are at the lowest position of the arc-shaped channel 25, the leveling balls indicate that the telegraph pole is not inclined in the dimension; the arcuate channel 25 is sized larger than the diameter of the leveling ball 22; an air vent 23 is formed in one side of the arc-shaped channel 25; the aperture of the ventilation holes 23 is smaller than that of the leveling balls 22.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A pole adjuster for a utility pole, characterized in that: the electric pole fixing device comprises a base (1), a supporting device fixedly arranged on the base (1), a lifting device for adjusting the height and a fastening device for fixing the electric pole;
the supporting device comprises a supporting seat (2) fixedly connected with the base (1), a supporting tube (6) arranged on the supporting seat (2) and a supporting frame (4) used for connecting the supporting seat (2) and the supporting tube (6);
the lifting device comprises a lifting base (3) arranged on the supporting seat (2), an oil cylinder (9) and a pump cylinder (13) which are arranged on the lifting base (3); an outer oil tank (10) is arranged outside the oil cylinder (9); a piston rod (24) is arranged in the oil cylinder (9); the bottom of the piston rod (24) is provided with a large piston (8); the pump cylinder (13) is spiral; a spiral piston rod (15) and a small piston (14) which are matched with the shape of the pump cylinder (13) are arranged in the pump cylinder (13); a handle (16) is arranged at the top of the spiral piston rod (15); the pump cylinder (13) is communicated with the oil cylinder (9), the pump cylinder (13) is communicated with an outer oil tank (10) and the oil cylinder (9) is communicated with the outer oil tank (10) through oil pipes; an oil return valve rod (12) is arranged on an oil pipe between the oil cylinder (9) and the outer oil tank (10); a one-way valve (11) is arranged on an oil pipe between the pump cylinder (13) and the oil cylinder (9) and between the pump cylinder (13) and the outer oil tank (10); the piston rod (24) penetrates out of the support tube (6); the top of the piston rod (24) is fixedly provided with a horizontal bracket (7);
the fastening device comprises a left fastening ring (18) and a right fastening ring (17) which are connected through a bolt fastener (19); one side of the right fastening ring (17) is provided with a leveling device.
2. A pole adjuster according to claim 1, wherein: the leveling device comprises a cubic connecting block (20) arranged at one side of the right fastening ring (17); leveling rules (21) are arranged on the front side surface and the right side surface of the connecting block (20); the leveling ruler (21) is of a fan-shaped transparent structure, and scales are arranged outside the arc-shaped edge of the leveling ruler (21); an arc-shaped channel (25) is formed along the inner part of the arc-shaped edge of the leveling ruler (21); a leveling ball (22) is arranged in the arc-shaped channel (25); one side of the arc-shaped channel (25) is provided with an air vent (23); the aperture of the ventilation holes (23) is smaller than that of the leveling balls (22).
3. A pole adjuster according to claim 1, wherein: the bottom of the supporting tube (6) is welded with the upper end of the lifting base (3).
4. A pole adjuster according to claim 1, wherein: the supporting seat (2) is T-shaped.
5. A pole adjuster according to claim 1, wherein: the number of the supporting frames (4) is three; a reinforcing rod (5) is arranged between each supporting frame (4) and each supporting tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386516.4A CN107869275B (en) | 2017-12-20 | 2017-12-20 | Telegraph pole adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386516.4A CN107869275B (en) | 2017-12-20 | 2017-12-20 | Telegraph pole adjusting device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| CN107869275A CN107869275A (en) | 2018-04-03 |
| CN107869275A8 CN107869275A8 (en) | 2023-09-22 |
| CN107869275B true CN107869275B (en) | 2023-11-21 |
Family
ID=61756076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711386516.4A Active CN107869275B (en) | 2017-12-20 | 2017-12-20 | Telegraph pole adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107869275B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661412B (en) * | 2018-06-13 | 2019-10-01 | 国家电网公司 | Power engineering construction electric pole apparatus for correcting |
| CN111075249B (en) * | 2019-12-31 | 2021-01-12 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Maintenance device for telegraph pole of power transmission line |
| CN113107261A (en) * | 2021-05-13 | 2021-07-13 | 广东电网有限责任公司 | Pole setting adjusting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012069663A1 (en) * | 2010-11-24 | 2012-05-31 | Tv 95 Sl | System for supporting diverse equipment at a height |
| JP3195789U (en) * | 2014-11-05 | 2015-02-05 | 勇 吉川 | Temporary utility pole support device |
| CN105041758A (en) * | 2015-08-14 | 2015-11-11 | 中国船舶重工集团公司第七一九研究所 | Integrated hydraulic cylinder with functions of rotating and telescoping |
| CN204876777U (en) * | 2015-07-30 | 2015-12-16 | 国网吉林九台市供电有限公司 | Positive ware in down tube top |
| CN105484557A (en) * | 2015-12-29 | 2016-04-13 | 国家电网公司 | Restoration device for inclined telegraph pole |
| CN105625796A (en) * | 2016-04-01 | 2016-06-01 | 杨瑞亮 | Electric pole centering device |
| CN106639600A (en) * | 2015-10-28 | 2017-05-10 | 刘刚 | Single use correction emergency repair tool for electric pole |
| CN207714882U (en) * | 2017-12-20 | 2018-08-10 | 国网河北省电力有限公司饶阳供电分公司 | A kind of electric pole tune bar device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529685A (en) * | 2014-08-29 | 2016-03-02 | Cpd Powerline Ltd | Pole erection apparatus and method |
-
2017
- 2017-12-20 CN CN201711386516.4A patent/CN107869275B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012069663A1 (en) * | 2010-11-24 | 2012-05-31 | Tv 95 Sl | System for supporting diverse equipment at a height |
| JP3195789U (en) * | 2014-11-05 | 2015-02-05 | 勇 吉川 | Temporary utility pole support device |
| CN204876777U (en) * | 2015-07-30 | 2015-12-16 | 国网吉林九台市供电有限公司 | Positive ware in down tube top |
| CN105041758A (en) * | 2015-08-14 | 2015-11-11 | 中国船舶重工集团公司第七一九研究所 | Integrated hydraulic cylinder with functions of rotating and telescoping |
| CN106639600A (en) * | 2015-10-28 | 2017-05-10 | 刘刚 | Single use correction emergency repair tool for electric pole |
| CN105484557A (en) * | 2015-12-29 | 2016-04-13 | 国家电网公司 | Restoration device for inclined telegraph pole |
| CN105625796A (en) * | 2016-04-01 | 2016-06-01 | 杨瑞亮 | Electric pole centering device |
| CN207714882U (en) * | 2017-12-20 | 2018-08-10 | 国网河北省电力有限公司饶阳供电分公司 | A kind of electric pole tune bar device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107869275A (en) | 2018-04-03 |
| CN107869275A8 (en) | 2023-09-22 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CI02 | Correction of invention patent application | ||
| CI02 | Correction of invention patent application |
Correction item: Applicant|Address|Applicant Correct: RAOYANG COUNTY POWER SUPPLY COMPANY OF STATE GRID HEBEI ELECTRIC POWER Co.|No.71 Ping'an West Road, Hengshui City, Hebei Province, 053900|HENGSHUI POWER SUPPLY BRANCH OF STATE GRID HEBEI ELECTRIC POWER Co.,Ltd. False: RAOYANG POWER SUPPLY BRANCH, STATE GRID HEBEI ELECTRIC POWER SUPPLY CO.,LTD.|No.71 Ping'an West Road, Hengshui City, Hebei Province, 053900|HENGSHUI POWER SUPPLY BRANCH OF STATE GRID HEBEI ELECTRIC POWER Co.,Ltd. Number: 14-01 Page: The title page Volume: 34 Correction item: Applicant|Address|Applicant Correct: RAOYANG COUNTY POWER SUPPLY COMPANY OF STATE GRID HEBEI ELECTRIC POWER Co.|No.71 Ping'an West Road, Hengshui City, Hebei Province, 053900|HENGSHUI POWER SUPPLY BRANCH OF STATE GRID HEBEI ELECTRIC POWER Co.,Ltd. False: RAOYANG POWER SUPPLY BRANCH, STATE GRID HEBEI ELECTRIC POWER SUPPLY CO.,LTD.|No.71 Ping'an West Road, Hengshui City, Hebei Province, 053900|HENGSHUI POWER SUPPLY BRANCH OF STATE GRID HEBEI ELECTRIC POWER Co.,Ltd. Number: 14-01 Volume: 34 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |