CN113113870B - Interim overhead line device of electric power transmission - Google Patents
Interim overhead line device of electric power transmission Download PDFInfo
- Publication number
- CN113113870B CN113113870B CN202110221893.2A CN202110221893A CN113113870B CN 113113870 B CN113113870 B CN 113113870B CN 202110221893 A CN202110221893 A CN 202110221893A CN 113113870 B CN113113870 B CN 113113870B
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses an electric power transmission temporary wiring device which comprises a hollow plate, wherein the inner wall of the hollow plate is rotatably connected with two first rotating rods, the two first rotating rods penetrate through and are fixedly connected with first gears, the two first rotating rods penetrate through and are fixedly connected with first wiring boards, the lower end of the hollow plate is fixedly connected with a supporting plate, the lower end of the supporting plate is fixedly connected with four supporting rods, the lower end of the supporting plate is fixedly connected with an annular base, a lifting mechanism is arranged between a sliding plate and the supporting plate, and a reinforcing mechanism is arranged between the first wiring boards and the supporting plate. The two first stringing boards and the two second stringing boards are unfolded to be in a vertical state, so that the two first stringing boards and the two second stringing boards are convenient to transport, and the whole device is reinforced through the four conical heads.
Description
Technical Field
The invention relates to the technical field of power transmission frames, in particular to a temporary power transmission stringing device.
Background
The electric power transmission frame is mainly erected on the ground, supplies power to some appliances using electricity temporarily, is particularly applied to the ground of some soil, works in places with rare people smoke, and needs to be frequently replaced to supply power to different construction places.
The interim frame of electric power transmission is generally installed temporarily and is used, demolishs after the use and changes the place, and the interim frame of traditional electric power transmission is very inconvenient when the transportation because it stretches the space that occupies great, inconvenient transportation, and secondly, traditional overhead line device only is equipped with one row of overhead line, if the cable is more, need use two or a plurality of overhead line devices.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a temporary power transmission stringing device which is convenient for storing more cables by unfolding two first stringing boards and two second stringing boards into a horizontal state, is convenient for transporting the two first stringing boards and the two second stringing boards into a vertical state, and is reinforced by four conical heads.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric power transmission temporary wiring device comprises a hollow plate, wherein the inner wall of the hollow plate is rotatably connected with two first rotating rods, the two first rotating rods are respectively penetrated through and fixedly connected with a first gear, the two first rotating rods are respectively penetrated through and fixedly connected with a first wiring board, the inner wall of the hollow plate is rotatably connected with two second rotating rods, the two second rotating rods are respectively penetrated through and fixedly connected with a second gear, the two second rotating rods are respectively penetrated through and fixedly connected with a second wiring board, a plurality of limiting mechanisms are respectively arranged on the two first wiring boards and the two second wiring boards, the two first wiring boards and the two second wiring boards and the inner wall of the hollow plate are respectively provided with a positioning mechanism, the inner wall of the hollow plate is fixedly connected with a stop block, a hollow groove is penetrated through the stop block, and the inner wall of the hollow groove is slidably connected with a sliding plate, the improved rack-and-pinion type gear transmission mechanism is characterized in that a linkage mechanism is arranged between the sliding plate and the two first gears, the lower end of the sliding plate penetrates through and is fixedly connected with a blocking plate, the lower end of the sliding plate is fixedly connected with a first rack plate, the first rack plate penetrates through a supporting plate and is slidably connected with the inner wall of the supporting plate, the lower end of the hollow plate is fixedly connected with a supporting plate, the lower end of the supporting plate is fixedly connected with four supporting rods, the lower ends of the four supporting rods are fixedly connected with an annular base together, a lifting mechanism is arranged between the sliding plate and the supporting plate, and a reinforcing mechanism is arranged between the first rack plate and the supporting plate.
Preferably, stop gear is including running through the circular slot that sets up on first stringing board, the inner wall fixedly connected with annular rubber pad of circular slot, it is equipped with the sliding tray to run through on the first stringing board, the sliding tray link up each other with the circular slot, the sliding tray runs through and sliding connection has the pull rod, the cover is equipped with first spring on the pull rod, fixedly connected with arc rubber piece on the pull rod.
Preferably, the positioning mechanism comprises a positioning block fixedly connected with the inner wall of the hollow plate, the upper end of the positioning block is fixedly connected with two second springs, and the upper ends of the two second springs are fixedly connected with a resisting block together.
Preferably, the link gear includes the second rack plate with two equal intermeshing of first gear, the lower extreme fixedly connected with cavity board of second rack plate, run through and sliding connection has the T shaped plate on the cavity board, fixedly connected with third spring between the inner wall of T shaped plate and cavity board.
Preferably, two the equal intermeshing of second gear has the third rack board, the lower extreme and the dog of third rack board offset, the sliding plate runs through the third rack board and rather than inner wall sliding connection, the upper end fixedly connected with stopper of sliding plate, fixedly connected with connecting rod between stopper and the T shaped plate.
Preferably, the lifting mechanism comprises a threaded block fixedly connected with the side wall of the sliding plate in a penetrating manner, the side wall of the hollow plate is provided with a through groove in a penetrating manner, the threaded block penetrates through the through groove and is in sliding connection with the inner wall of the threaded block, an inner groove is arranged in the supporting plate in a penetrating manner, the inner wall of the inner groove is fixedly connected with a motor, the output end of the motor is fixedly connected with a screw rod, the screw rod penetrates through the threaded block and is in threaded connection with the threaded block, and the upper end of the screw rod is rotatably connected with the lower end of the positioning block.
Preferably, the strengthening mechanism includes two telescopic links with backup pad lower extreme fixed connection, two the equal fixedly connected with fourth rack plate of lower extreme of telescopic link, four gag lever posts of lower extreme fixedly connected with of backup pad, two of homonymy rotate between the gag lever post and be connected with the quarter butt, the quarter butt runs through and fixedly connected with third gear, the homonymy third gear and the equal intermeshing of first rack plate and fourth rack plate.
Preferably, the lower ends of the two fourth rack plates are fixedly connected with a plane plate, and the lower end of the plane plate is fixedly connected with four conical heads.
Compared with the prior art, the invention has the beneficial effects that:
1. the two first stringing boards are unfolded to be in a horizontal state, cables are placed in the circular groove, and if the cables are too many, the two second stringing boards are unfolded to be in the horizontal state, so that more cables can be stored conveniently.
2. When not needing to use, merge into vertical state with two first stringing boards, synthesize vertical state equally with two second stringing boards, be convenient for later transport the stringing device, it is convenient to transport.
3. When the first rack plate moves upwards, the two fourth rack plates and the four conical heads are driven to move downwards, and the four conical heads drill into the ground for reinforcement.
To sum up, through launching into the horizontality with two first wiring boards and two second wiring boards, be convenient for deposit more cables, launch into vertical state with two first wiring boards and two second wiring boards and be convenient for transport it, secondly, consolidate whole device through four cones.
Drawings
Fig. 1 is a schematic structural diagram of a temporary power transmission stringing device according to the present invention;
FIG. 2 is an enlarged view of the structure B in FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
fig. 4 is a top view of a plane board in the temporary power transmission stringing device according to the present invention.
In the figure: 1 third spring, 2 hollow plates, 3T-shaped plates, 4 connecting rods, 5 limiting blocks, 6 stopping blocks, 7 sliding plates, 8 blocking plates, 9 third gears, 10 first rack plates, 11 fourth rack plates, 12 telescopic rods, 13 supporting rods, 14 plane plates, 15 conical heads, 16 annular bases, 17 motors, 18 supporting plates, 19 lead screws, 20 third rack plates, 21 second gears, 22 second rack plates, 23 first rack plates, 24 hollow plates, 25 first gears, 26 second rack plates, 27 annular rubber pads, 28 arc-shaped rubber blocks, 29 first springs, 30 pull rods, 31 second springs, 32 positioning blocks and 33 abutting blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an interim stringing device of electric power transmission, including hollow core plate 24, the inner wall of hollow core plate 24 rotates and is connected with two first dwangs, two first dwangs all run through and the first gear 25 of fixedly connected with, two first dwangs all run through and the first wiring board 23 of fixedly connected with, the inner wall of hollow core plate 24 rotates and is connected with two second dwangs, two second dwangs all run through and fixedly connected with second gear 21, two second dwangs all run through and fixedly connected with second wiring board 22, two holding tanks all run through in the both sides of hollow core plate 24, be used for holding two first wiring boards 23 and two second wiring boards 22.
All be equipped with a plurality of stop gear on two first wiring boards 23 and two second wiring boards 22, stop gear is including running through the circular slot that sets up on first wiring board 23, the inner wall fixedly connected with annular rubber pad 27 of circular slot, it is equipped with the sliding tray to run through on the first wiring board 23, sliding tray and circular slot link up each other, sliding tray runs through and sliding connection has pull rod 30, the cover is equipped with first spring 29 on the pull rod 30, fixedly connected with arc block rubber 28 on the pull rod 30, annular rubber pad 27 and arc block rubber 28 mutually support and protect the cable, reduce the loss of cable.
The two first stringing boards 23, the two second stringing boards 22 and the inner wall of the hollow plate 24 are respectively provided with a positioning mechanism, the positioning mechanism comprises a positioning block 32 fixedly connected with the inner wall of the hollow plate 24, the upper end of the positioning block 32 is fixedly connected with two second springs 31, the upper ends of the two second springs 31 are jointly and fixedly connected with a resisting block 33, the resisting block 33 is made of rubber, the inner wall of the hollow plate 24 is fixedly connected with a stop block 6, a hollow groove is arranged on the stop block 6 in a penetrating way and matched with the stop block 8, the stop block 8 is in sliding connection with the inner wall of the hollow groove, the inner wall of the hollow groove is connected with a sliding plate 7 in a penetrating way and sliding way, a linkage mechanism is arranged between the sliding plate 7 and the two first gears 25 and comprises second rack plates 26 which are mutually meshed with the two first gears 25, the lower end of the second rack plates 26 is fixedly connected with the hollow plate 2, and the hollow plate 2 is connected with a T-shaped plate 3 in a penetrating way and sliding way, the T-shaped plate 3 can not be separated from the hollow plate 2 under the limit of the hollow plate 2.
A third spring 1 is fixedly connected between the inner walls of the T-shaped plate 3 and the hollow plate 2, a third rack plate 20 is meshed with each other for two second gears 21, the lower end of the third rack plate 20 is abutted against a stop block 6, a sliding plate 7 penetrates through the third rack plate 20 and is in sliding connection with the inner wall thereof, the upper end of the sliding plate 7 is fixedly connected with a stop block 5, the stop block 5 limits the third rack plate 20, a connecting rod 4 is fixedly connected between the stop block 5 and the T-shaped plate 3, the lower end of the sliding plate 7 penetrates through and is fixedly connected with a stop block plate 8, the lower end of the sliding plate 7 is fixedly connected with a first rack plate 10, the first rack plate 10 penetrates through a supporting plate 18 and is in sliding connection with the inner wall thereof, the lower end of the hollow plate 24 is fixedly connected with a supporting plate 18, the lower end of the supporting plate 18 is fixedly connected with four supporting rods 13, and the lower ends of the four supporting rods 13 are fixedly connected with an annular base 16 together, the inner annular area of the annular base 16 is greater than the area of the planar plate 14.
The lifting mechanism is arranged between the sliding plate 7 and the supporting plate 18 and comprises a thread block which penetrates through the side wall of the sliding plate 7 and is fixedly connected, a through groove is formed in the side wall of the hollow plate 24 in a penetrating mode, the thread block penetrates through the through groove and is slidably connected with the inner wall of the thread block, an inner groove is formed in the supporting plate 18 in a penetrating mode, a motor 17 is fixedly connected with the inner wall of the inner groove, a lead screw 19 is fixedly connected with the output end of the motor 17, the lead screw 19 penetrates through the thread block and is in threaded connection with the thread block, the upper end of the lead screw 19 is rotatably connected with the lower end of the positioning block 32, the motor 17 is a servo motor, and forward and reverse rotation can be achieved, and the lifting mechanism is prior art.
Be equipped with the strengthening mechanism between first rack plate 10 and the backup pad 18, the strengthening mechanism include with backup pad 18 lower extreme fixed connection two telescopic links 12, the equal fixedly connected with fourth rack plate 11 of lower extreme of two telescopic links 12, four gag lever posts of lower extreme fixedly connected with of backup pad 18, it is connected with the quarter butt to rotate between two gag lever posts of homonymy, the quarter butt runs through and fixedly connected with third gear 9, the third gear 9 and first rack plate 10 and the equal intermeshing of fourth rack plate 11 of homonymy, the common fixedly connected with plane board 14 of lower extreme of two fourth rack plates 11, four conical heads 15 of lower extreme fixedly connected with of plane board 14, four conical heads 15 carry out drilling reinforcement to ground, above multiple rack plate is in the intermeshing state rather than corresponding gear all the time.
In the invention, in an initial state, under the limit of the second rack plate 26 and the third rack plate 20, the two first rack plates 23 and the two second rack plates 22 are kept in a vertical state, then a worker starts the motor 17, and when the motor 17 rotates in the forward direction, the screw block, the sliding plate 7, the blocking plate 8, the limit block 5, the connecting rod 4, the hollow plate 2 and the second rack plate 26 are driven to move upwards together.
The second rack plate 26 drives two first gears 25 to rotate when moving upwards, the two first gears 25 rotate to drive two first rotating rods and two first wiring boards 23 to rotate, until the two first wiring boards 23 keep a horizontal state, a worker can perform wiring, the pull rod 30 and the arc rubber block 28 are pulled, the wire needing to be erected passes through the circular groove, the pull rod 30 is not pulled, and under the elastic force of the first spring 29, the arc rubber block 28 clamps the wire.
When the quantity of cable is too much, the staff continues to start motor 17 and carries out forward rotation, motor 17 forward rotation drives stop plate 8 and passes dog 6 and carry out the rebound against third rack plate 20, drive two second gears 21 looks back of the body when third rack plate 20 removes, two second gears 21 looks back of the body drive two second dwangs and two second stringing boards 22 looks back of the body rotate, until two second stringing boards 22 keep the level, it needs to explain, when T shaped plate 3 rebound, two first stringing boards 23 are two spacing down of supporting piece 33, can not take place the rebound, second rack plate 26 does not carry out the rebound again, T shaped plate 3 rebound compresses third spring 1.
When the sliding plate 7 moves upwards, the first rack plate 10 moves upwards to drive the two third gears 9 to rotate, and the two third gears 9 rotate to drive the two fourth rack plates 11 to elongate the two telescopic rods 12, the plane plate 14 and the four conical heads 15 to move downwards, so that the ground is drilled and reinforced.
When need not carry out the stringing, demolish the back with the cable, with motor 17 antiport, motor 17 antiport drives the screw thread piece during antiport, sliding plate 7, barrier plate 8, stopper 5, connecting rod 4, well hollow plate 2, second rack board 26 moves down together, stopper 5 presses third rack board 20, third rack board 20 moves down and drives two second gears 21 and rotate relatively, make two second rack boards 22 keep vertical, hollow plate 2 and second rack board 26 move down are driven to T shaped plate 3, second rack board 26 drives two first gears 25 and rotates relatively, two first rack boards 23 keep vertical.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The temporary power transmission stringing device comprises a hollow plate (24), and is characterized in that the inner wall of the hollow plate (24) is rotatably connected with two first rotating rods, the two first rotating rods penetrate through and are fixedly connected with first gears (25), the two first rotating rods penetrate through and are fixedly connected with first stringing boards (23), the inner wall of the hollow plate (24) is rotatably connected with two second rotating rods, the two second rotating rods penetrate through and are fixedly connected with second gears (21), the two second rotating rods penetrate through and are fixedly connected with second stringing boards (22), the two first stringing boards (23) and the two second stringing boards (22) are respectively provided with a plurality of limiting mechanisms, the two first stringing boards (23) and the two second stringing boards (22) are respectively provided with a positioning mechanism together with the inner wall of the hollow plate (24), the inner wall of the hollow plate (24) is fixedly connected with a check block (6), the check block (6) is provided with a hollow groove in a penetrating manner, the inner wall of the hollow groove is connected with a sliding plate (7) in a penetrating manner in a sliding manner, a linkage mechanism is arranged between the sliding plate (7) and two first gears (25), the lower end of the sliding plate (7) is connected with a blocking plate (8) in a penetrating manner, the lower end of the sliding plate (7) is fixedly connected with a first rack plate (10), the first rack plate (10) is connected with a supporting plate (18) in a penetrating manner and is connected with the inner wall of the supporting plate in a sliding manner, the lower end of the hollow plate (24) is fixedly connected with a supporting plate (18), the lower end of the supporting plate (18) is fixedly connected with four supporting rods (13), the lower ends of the four supporting rods (13) are fixedly connected with an annular base (16) together, and a lifting mechanism is arranged between the sliding plate (7) and the supporting plate (18), a reinforcing mechanism is arranged between the first rack plate (10) and the support plate (18);
the link gear includes with the equal intermeshing's of two first gears (25) second rack board (26), hollow plate (2) of lower extreme fixedly connected with of second rack board (26), run through and sliding connection has T shaped plate (3) on hollow plate (2), fixedly connected with third spring (1) between the inner wall of T shaped plate (3) and hollow plate (2).
2. The temporary power transmission stringing device according to claim 1, wherein the limiting mechanism comprises a circular groove penetrating through the first stringing plate (23), an annular rubber pad (27) is fixedly connected to the inner wall of the circular groove, a sliding groove penetrates through the first stringing plate (23), the sliding groove and the circular groove are mutually communicated, a pull rod (30) penetrates through and is slidably connected to the sliding groove, a first spring (29) is sleeved on the pull rod (30), and an arc-shaped rubber block (28) is fixedly connected to the pull rod (30).
3. The temporary power transmission stringing device according to claim 1, wherein the positioning mechanism comprises a positioning block (32) fixedly connected to an inner wall of the hollow plate (24), two second springs (31) are fixedly connected to an upper end of the positioning block (32), and a resisting block (33) is fixedly connected to upper ends of the two second springs (31) together.
4. The temporary stringing device for power transmission as claimed in claim 1, wherein a third rack plate (20) is engaged with each other on both of the second gears (21), the lower end of the third rack plate (20) abuts against the stop block (6), the sliding plate (7) penetrates through the third rack plate (20) and is slidably connected with the inner wall thereof, the upper end of the sliding plate (7) is fixedly connected with the stop block (5), and the connecting rod (4) is fixedly connected between the stop block (5) and the T-shaped plate (3).
5. The temporary stringing device for power transmission as claimed in claim 1, wherein the lifting mechanism comprises a screw block fixedly connected through the side wall of the sliding plate (7), the side wall of the hollow plate (24) is provided with a through groove, the screw block is provided with an inner groove through the through groove and slidably connected with the inner wall thereof, the support plate (18) is provided with an inner groove through the inner wall, the inner wall of the inner groove is fixedly connected with a motor (17), the output end of the motor (17) is fixedly connected with a screw rod (19), the screw rod (19) is provided with a screw block through and threadedly connected with the screw rod, and the upper end of the screw rod (19) is rotatably connected with the lower end of the positioning block (32).
6. The temporary stringing device for power transmission as claimed in claim 1, wherein the reinforcing mechanism comprises two telescopic rods (12) fixedly connected with the lower end of a supporting plate (18), the lower ends of the two telescopic rods (12) are both fixedly connected with a fourth rack plate (11), the lower end of the supporting plate (18) is fixedly connected with four limiting rods, a short rod is rotatably connected between the two limiting rods on the same side, the short rod penetrates through and is fixedly connected with a third gear (9), and the third gear (9) on the same side is meshed with the first rack plate (10) and the fourth rack plate (11).
7. The temporary stringing device for power transmission as claimed in claim 6, wherein the lower ends of the two fourth rack plates (11) are fixedly connected with a plane plate (14), and the lower end of the plane plate (14) is fixedly connected with four conical heads (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110221893.2A CN113113870B (en) | 2021-02-27 | 2021-02-27 | Interim overhead line device of electric power transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110221893.2A CN113113870B (en) | 2021-02-27 | 2021-02-27 | Interim overhead line device of electric power transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113113870A CN113113870A (en) | 2021-07-13 |
| CN113113870B true CN113113870B (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110221893.2A Active CN113113870B (en) | 2021-02-27 | 2021-02-27 | Interim overhead line device of electric power transmission |
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| CN (1) | CN113113870B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115776072B (en) * | 2022-12-06 | 2023-09-12 | 国网安徽省电力有限公司黄山市黄山区供电公司 | Overhead line device for power equipment construction |
| CN117595178B (en) * | 2024-01-19 | 2024-03-19 | 沈阳涵兮科技有限公司 | Overhead line device for electric power |
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| CN211859490U (en) * | 2020-05-29 | 2020-11-03 | 浙江海洋大学东海科学技术学院 | Cable support frame for building site |
| CN111834961A (en) * | 2020-07-15 | 2020-10-27 | 张有志 | Line support for municipal works |
| CN112332347A (en) * | 2020-11-16 | 2021-02-05 | 湖南宇尚电力建设有限公司 | Temporary power utilization cable support for construction site of power transmission and transformation project |
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| CN113113870A (en) | 2021-07-13 |
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Effective date of registration: 20220822 Address after: 528000 No. 1 South Fenjiang Road, Chancheng District, Guangdong, Foshan Applicant after: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Co.,Ltd. Applicant after: GUANGDONG SHUNDE ELECTRIC POWER DESIGN INSTITUTE CO.,LTD. Address before: 276800 shuijingcheng, Donggang District, Rizhao City, Shandong Province Applicant before: Gao Caihong |
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