CN110611280A - Power transmission line anti-theft system and method - Google Patents
Power transmission line anti-theft system and method Download PDFInfo
- Publication number
- CN110611280A CN110611280A CN201910885332.5A CN201910885332A CN110611280A CN 110611280 A CN110611280 A CN 110611280A CN 201910885332 A CN201910885332 A CN 201910885332A CN 110611280 A CN110611280 A CN 110611280A
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- fixedly connected
- rod
- transmission line
- power transmission
- inner cavity
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Classifications
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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
- H02G7/00—Overhead installations of electric lines or cables
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a power transmission line anti-theft system and a method thereof, and the power transmission line anti-theft system comprises a tower body, wherein both sides of the top of the tower body are fixedly connected with lower cross arms, a connecting ring is arranged below the lower cross arms, the outer walls of the connecting rings are fixedly connected with six bases in an annular array at equal intervals, one end of each base is fixedly connected with a fixing ring, an arc-shaped sliding rod is slidably connected in an inner cavity of an annular groove, a clamping block is arranged between each base and the corresponding arc-shaped sliding rod, one side of each sliding block is fixedly connected with a first iron block, the inner wall of one side of each sliding groove is fixedly connected with a second iron block, a coil is fixedly sleeved outside each second iron. According to the invention, by utilizing the arrangement mode of the base, when the opening on the fixing ring is not limited by the arc-shaped sliding rod, the power transmission line in the inner cavity of the fixing ring can be conveniently taken out, the disadvantage of convenient and fast threaded connection is avoided, and the theft behavior of a thief on the line in the inner cavity of the fixing ring can be greatly prevented.
Description
Technical Field
The invention relates to the field of line anti-theft, in particular to an anti-theft system and an anti-theft method for a power transmission line.
Background
The overhead transmission line consists of a line tower, a lead, an insulator, a line hardware fitting, a stay wire, a tower foundation, a grounding device and the like and is erected on the ground. Power transmission is classified into ac power transmission and dc power transmission according to the nature of the transmitted current. Dc transmission was first successfully achieved in the 80's of the 19 th century. However, the voltage of the dc transmission is difficult to increase continuously under the current technical conditions, so that the transmission capacity and the efficiency are limited. At the end of the 19 th century, direct current transmission was gradually replaced by alternating current transmission. The success of alternating current transmission has already met a new era in the electrified society of the 20 th century.
In recent years, the phenomenon of power facility theft is very serious, particularly, aiming at the condition that a power transmission line on an iron tower is more wild, the operation of stealing the line on an upper cross arm is difficult, a common thief aims at a target on the power transmission line on a lower cross arm, and the theft is mainly realized by unscrewing a bolt which is in threaded connection with the iron tower and then detaching the power transmission line so as to implement the theft.
Disclosure of Invention
The invention aims to provide an anti-theft system and an anti-theft method for a power transmission line, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-theft system of a power transmission line and a method thereof comprise a tower body, wherein both sides of the top of the tower body are fixedly connected with lower cross arms, a connecting ring is arranged below the lower cross arms, the outer wall of the connecting ring is fixedly connected with six bases in an annular array at equal intervals, one end of each base is fixedly connected with a fixing ring, an annular groove is formed in the fixing ring, an arc-shaped sliding rod is slidably connected in the inner cavity of the annular groove, one end of the fixing ring is provided with a groove matched with the arc-shaped sliding rod, a clamping block is arranged between each base and the arc-shaped sliding rod, one end of each arc-shaped sliding rod is provided with a clamping groove matched with the clamping block, one end of each clamping block is fixedly connected with a sliding block, the end part of each base is provided with a sliding groove matched with, the sliding block is characterized in that a first iron block is fixedly connected to one side of the sliding block, a second iron block is fixedly connected to the inner wall of one side of the sliding groove, a coil is fixedly sleeved outside the second iron block, a groove is formed in the middle of the front side of the base, and a first contact and a second contact are fixedly connected to the inner walls of the two sides of the groove respectively.
Preferably, a connecting rod is slidably connected in the grooved inner cavity, two sides of the connecting rod are respectively attached to the first contact and the second contact, and one end of the connecting rod is fixedly connected with an insulating rod.
Preferably, the inner wall of one side of the annular groove is fixedly connected with a tension spring, and one end of the tension spring is fixedly connected with one end of the arc-shaped sliding rod.
Preferably, a limiting groove is formed in one side of the front face of the fixing ring, and a cylindrical sliding rod is connected in an inner cavity of the limiting groove in a sliding mode.
Preferably, the inside fixedly connected with solar panel of go-between, the back fixedly connected with solar panel converter of go-between, solar panel loops through first contact, connecting rod and second contact and coil electric connection.
Preferably, an insulator is arranged above the connecting ring, a fixing rod is fixedly connected to the bottom end of the insulator, the fixing rod is fixedly connected with the connecting ring, and a round rod is fixedly connected to the top of the insulator and fixedly connected with the lower cross arm.
Preferably, the upper portion of the lower cross arm is provided with an upper cross arm, the upper cross arm is fixedly connected with the tower body, the upper cross arm is connected with a connecting plate fixedly and fixedly on one side opposite to the other side, the top and the bottom of one side of the connecting plate are fixedly connected with mounting rods, and the front of the mounting rods is provided with a rotating rod.
Preferably, the middle part of bull stick is rotated and is connected with the bracing piece, bracing piece and connecting plate fixed connection, two first constant head tank has been seted up to the symmetry on the installation pole, the second constant head tank has all been seted up at the both ends of bull stick, sliding connection has the threaded rod in the inner chamber of first constant head tank and second constant head tank, the nut has been cup jointed to the one end screw thread of threaded rod, the fixed collar that has cup jointed of the other end of threaded rod, two the equal fixedly connected with circuit fixation clamp in one side that the collar carried on the back mutually.
Preferably, the top end of the tower body is fixedly provided with a lightning rod, and the bottom end of the tower body is fixedly connected with a bottom plate.
Preferably: an anti-theft system method for a power transmission line comprises the following steps:
the method comprises the following steps: when the transmission line in the fixed ring inner cavity needs to be disassembled, a worker only needs to insert the connecting rod into the grooved inner cavity, the second contact is electrically connected with the first contact through the connecting rod, the converted current on the solar panel is transmitted to the coil on the second iron block through the connecting rod, and the coil on the second iron block is electrified and then becomes an electromagnet to attract the first iron block.
Step two: through the inter attraction between first iron plate and the second iron plate to make first iron plate drive the slider under the spacing of spout, move towards the direction of second iron plate, and then drive the inner chamber that the fixture block breaks away from out the draw-in groove through the slider, the fixture block is no longer spacing to the position of arc slide bar this moment.
Step three: when the arc-shaped sliding rod slides in the inner cavity of the annular groove without limitation, the tension spring in a stretching state has certain elastic potential energy, and can pull the arc-shaped sliding rod to slide in the inner cavity of the annular groove until the arc-shaped sliding rod slides into the inner cavity of the fixing ring.
Step four: the opening on the fixing ring is not limited by the arc-shaped sliding rod, so that the power transmission line in the inner cavity of the fixing ring can be taken out conveniently, the convenience and high disadvantage of disassembly are avoided when threaded connection is avoided, the connecting rod is carried on the body of a worker, and the theft of a thief to the line in the inner cavity of the fixing ring can be greatly prevented.
The invention has the technical effects and advantages that:
1. according to the invention, by utilizing the arrangement mode of matching the connecting ring and the base, when the opening on the fixing ring is not limited by the arc-shaped sliding rod, the power transmission line in the inner cavity of the fixing ring can be conveniently taken out, and the inconvenience of convenience and high inconvenience of disassembly during threaded connection is avoided, so that the connecting rod is carried on the body of a worker, and the theft of a thief to the line in the inner cavity of the fixing ring can be greatly prevented;
2. the invention utilizes the arrangement mode of the matching of the installation rod and the rotating rod, thereby being capable of adjusting the relative distance between the two s, avoiding the arc discharge caused by the over-small distance between the two output lines and protecting the power transmission line.
Drawings
FIG. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic view of the structure of the connection ring of the present invention.
FIG. 3 is a schematic view of a retaining ring according to the present invention.
FIG. 4 is a schematic view of the internal structure of the retaining ring of the present invention.
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.
FIG. 6 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
Fig. 7 is a schematic front view of the support rod according to the present invention.
FIG. 8 is a schematic view of the back structure of the support rod of the present invention.
Fig. 9 is a schematic view of the structure of the insulator of the present invention.
In the figure: 1. a tower body; 2. a lower cross arm; 3. a connecting ring; 4. a base; 5. a fixing ring; 6. an arc-shaped sliding rod; 7. a clamping block; 8. a card slot; 9. a slider; 10. a chute; 11. a first iron block; 12. a second iron block; 13. grooving; 14. a first contact; 15. a second contact; 16. a connecting rod; 17. a tension spring; 18. a limiting groove; 19. a solar panel; 20. an insulator; 21. fixing the rod; 22. an upper cross arm; 23. a connecting plate; 24. mounting a rod; 25. a rotating rod; 26. a support bar; 27. a first positioning groove; 28. a second positioning groove; 29. a threaded rod; 30. a nut; 31. a circuit fixing clip; 32. a lightning rod.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a power transmission line anti-theft system and a method thereof as shown in figures 1-9, which comprises a tower body 1, wherein the top end of the tower body 1 is fixedly provided with a lightning rod 32, the bottom end of the tower body 1 is fixedly connected with a bottom plate, and the bottom plate can ensure that the tower body 1 is fixed on the ground.
The two sides of the top of the tower body 1 are fixedly connected with lower cross arms 2, a connecting ring 3 is arranged below the lower cross arms 2, the connecting ring 3 is in a hexagonal ring shape, the outer wall of the connecting ring 3 is in an annular array and is fixedly connected with six bases 4 at equal intervals, one end of each base 4 is fixedly connected with a fixing ring 5, one side of the front surface of each fixing ring 5 is provided with a limiting groove 18, an inner cavity of each limiting groove 18 is connected with a cylindrical slide rod in a sliding manner, too few handles are fixed outside the cylindrical slide rod, an annular groove is formed in the fixing ring 5, an arc-shaped slide rod 6 is connected in the inner cavity of the annular groove in a sliding manner, the arc-shaped slide rod 6 is matched with the groove through the arc-shaped slide rod 6 in the inner cavity of the annular groove, so that an output circuit is limited in the inner cavity of the fixing ring, the arc-shaped slide rod 6 is pulled into the inner cavity of the fixing ring 5 through the elastic restoring force of the tension spring 17, so that the limit of an output line is released, one end of the tension spring 17 is fixedly connected with one end of the arc-shaped slide rod 6, and one end of the fixing ring 5 is provided with a groove matched with the arc-shaped slide rod 6.
A clamping block 7 is arranged between the base 4 and the arc slide bar 6, one end of the arc slide bar 6 is provided with a clamping groove 8 matched with the clamping block 7, one end of the clamping block 7 is fixedly connected with a sliding block 9, the end part of the base 4 is provided with a sliding groove 10 matched with the sliding block 9, one side of the sliding block 9 is symmetrically and fixedly connected with a pressure spring, the pressure spring is in a compression state in an inner cavity of the sliding groove 10, when a connecting rod 16 is separated from an inner cavity of a slot 13, a coil has no current, and no attraction force exists between a first iron block 11 and a second iron block 12, the clamping block 7 can be pushed by the sliding block 9 to be clamped into the inner cavity of the clamping groove 8 from new time through the elastic restoring force of the pressure spring, the relative position of the fixing ring 5 and the arc slide bar 6 is limited, one end of the pressure spring is fixedly connected with the inner wall of the sliding groove 10, the outside of the second iron block 12 is fixedly sleeved with a coil, and when the coil is electrified, the second iron block 12 has certain magnetism, so as to attract the first iron block 11.
The middle part of the front surface of the base 4 is provided with a slot 13, the inner walls of two sides of the slot 13 are respectively and fixedly connected with a first contact 14 and a second contact 15, one end of a second iron block 12 is electrically connected with the first contact 14, the other end of the second iron block 12 is electrically connected with the second contact 15, a connecting rod 16 is connected in the inner cavity of the slot 13 in a sliding way, the connecting rod 16 plays a role in connection, so that the current stored on the solar panel 19 sequentially flows through the first contact 14, the connecting rod 16, the second contact 15 and the coil and then flows back to the solar panel 19 to form a closed loop, two sides of the connecting rod 16 are respectively attached to the first contact 14 and the second contact 15, one end of the connecting rod 16 is fixedly connected with an insulating rod, a solar panel 19 is fixedly connected inside the connecting ring 3, a solar panel converter is fixedly connected to the back surface of the connecting ring, the solar panel 19 is electrically connected to the coil through the first contact 14, the connecting rod 16 and the second contact 15 in this order.
An insulator 20 is arranged above the connecting ring 3, a fixing rod 21 is fixedly connected to the bottom end of the insulator 20, the fixing rod 21 is fixedly connected with the connecting ring 3, and a round rod is fixedly connected to the top of the insulator 20 and is fixedly connected with the lower cross arm 2.
An upper cross arm 22 is arranged above the lower cross arm 2, the upper cross arm 22 is fixedly connected with the tower body 1, one side of the two opposite sides of the upper cross arms 22 is fixedly connected with a connecting plate 23, the top and the bottom of one side of the connecting plate 23 are fixedly connected with mounting rods 24, the front surfaces of the two mounting rods 24 are provided with rotating rods 25, through clockwise rotating the rotating rods 25, threaded rods 29 can be driven by the rotating rods 25 to horizontally move in the inner cavities of first positioning grooves 27, so that the relative positions between the two circuit fixing clamps 31 are changed, the middle part of the rotating rods 25 is rotatably connected with a supporting rod 26, the supporting rod 26 is fixedly connected with the connecting plate 23, the two mounting rods 24 are symmetrically provided with first positioning grooves 27, the two ends of the rotating rods 25 are provided with second positioning grooves 28, the inner cavities of the first positioning grooves 27 and the second positioning grooves 28 are slidably connected with the threaded rods 29, one end, the nut 30 can fasten the relative position of the threaded rod 29 and the rotating rod 25, so that the threaded rod 29 can be fixed conveniently, the other end of the threaded rod 29 is fixedly sleeved with a mounting ring, and one side of each of the two mounting rings, which is back to back, is fixedly connected with a circuit fixing clamp 31.
The working principle of the invention is as follows:
when the power transmission line in the inner cavity of the fixing ring 5 needs to be disassembled, a worker only needs to insert the connecting rod 16 into the inner cavity of the slot 13, electrically connect the second contact 15 with the first contact 14 through the connecting rod 16, namely, the connecting rod 16 enables the current converted on the solar panel 19 to flow into the coil on the second iron block 12, the coil on the second iron block 12 becomes an electromagnet after being electrified, the first iron block 11 is attracted, so that the first iron block 11 drives the sliding block 9 to move towards the direction of the second iron block 12 under the limit of the sliding groove 10, the sliding block 9 drives the fixture block 7 to be separated from the inner cavity of the clamping groove 8, at the moment, the fixture block 7 does not limit the position of the arc-shaped sliding rod 6 any more, the tension spring 17 in a stretching state has certain elastic potential energy, the arc-shaped sliding rod 6 can be pulled to slide in the inner cavity of the annular groove until the arc-shaped sliding rod 6 is completely, the opening on the fixing ring 5 is not limited by the arc-shaped sliding rod 6, so that the power transmission line in the inner cavity of the fixing ring 5 can be taken out conveniently, the inconvenience of convenience and high disassembly during threaded connection is avoided, the connecting rod 16 is carried on the body of a worker, and the theft of a thief to the line in the inner cavity of the fixing ring 5 can be greatly prevented.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a transmission line anti-theft system, includes tower body (1), its characterized in that: the tower is characterized in that lower cross arms (2) are fixedly connected to two sides of the top of the tower body (1), a connecting ring (3) is arranged below each lower cross arm (2), the outer wall of each connecting ring (3) is fixedly connected with six bases (4) in an annular array equidistant manner, one end of each base (4) is fixedly connected with a fixing ring (5), an annular groove is formed in each fixing ring (5), an arc-shaped slide rod (6) is slidably connected into an inner cavity of each annular groove, one end of each fixing ring (5) is provided with a groove matched with the arc-shaped slide rod (6), a clamping block (7) is arranged between each base (4) and the corresponding arc-shaped slide rod (6), one end of each arc-shaped slide rod (6) is provided with a clamping groove (8) matched with the clamping block (7), one end of each clamping block (7) is fixedly connected with a sliding block (9), and the end of each, the utility model discloses a fixed connection of slide block (9), including the one side of slider (9) symmetry fixedly connected with pressure spring, the one end of pressure spring and the inner wall fixed connection of spout (10), the first iron plate of one side fixedly connected with (11) of slider (9), fixedly connected with second iron plate (12) on the inner wall of one side of spout (10), the outside fixed cover of second iron plate (12) is equipped with the coil, fluting (13) have been seted up at the positive middle part of base (4), on the both sides inner wall of fluting (13) respectively first contact of fixedly connected with (14) and second contact (15).
2. The power transmission line anti-theft system according to claim 1, characterized in that: a connecting rod (16) is connected in the inner cavity of the slot (13) in a sliding mode, two sides of the connecting rod (16) are attached to the first contact (14) and the second contact (15) respectively, and one end of the connecting rod (16) is fixedly connected with an insulating rod.
3. The power transmission line anti-theft system according to claim 1, characterized in that: and a tension spring (17) is fixedly connected to the inner wall of one side of the annular groove, and one end of the tension spring (17) is fixedly connected with one end of the arc-shaped sliding rod (6).
4. The power transmission line anti-theft system according to claim 1, characterized in that: a limiting groove (18) is formed in one side of the front face of the fixing ring (5), and a cylindrical sliding rod is connected in an inner cavity of the limiting groove (18) in a sliding mode.
5. The power transmission line anti-theft system according to claim 1, characterized in that: the solar panel converter is characterized in that a solar panel (19) is fixedly connected to the inside of the connecting ring (3), a solar panel converter is fixedly connected to the back of the connecting ring (3), and the solar panel (19) is electrically connected with the coil through the first contact (14), the connecting rod (16) and the second contact (15) in sequence.
6. The power transmission line anti-theft system according to claim 1, characterized in that: the insulator (20) is arranged above the connecting ring (3), a fixing rod (21) is fixedly connected to the bottom end of the insulator (20), the fixing rod (21) is fixedly connected with the connecting ring (3), and a round rod is fixedly connected to the top of the insulator (20) and fixedly connected with the lower cross arm (2).
7. The power transmission line anti-theft system according to claim 1, characterized in that: the top of lower cross arm (2) is provided with cross arm (22), go up cross arm (22) and tower body (1) fixed connection, two go up equal fixedly connected with connecting plate (23) in one side that cross arm (22) carried on the back mutually, the top and the equal fixedly connected with installation pole (24) in bottom of connecting plate (23) one side, two the front of installation pole (24) is provided with bull stick (25).
8. The power transmission line anti-theft system according to claim 7, characterized in that: the middle part of bull stick (25) is rotated and is connected with bracing piece (26), bracing piece (26) and connecting plate (23) fixed connection, two first constant head tank (27) have been seted up to the symmetry on installation pole (24), second constant head tank (28) have all been seted up at the both ends of bull stick (25), sliding connection has threaded rod (29) in the inner chamber of first constant head tank (27) and second constant head tank (28), nut (30) have been cup jointed to the one end screw thread of threaded rod (29), the fixed cover of the other end of threaded rod (29) has been cup jointed the collar, two equal fixedly connected with circuit fixation clamp (31) in one side that the collar carried on the back mutually.
9. The power transmission line anti-theft system according to claim 1, characterized in that: the top fixed mounting of tower body (1) has lightning rod (32), the bottom fixedly connected with bottom plate of tower body (1).
10. The method for preventing the theft of the power transmission line according to any one of claims 1 to 9 is characterized in that: it comprises the following steps:
the method comprises the following steps: when the power transmission line in the inner cavity of the fixing ring (5) needs to be disassembled, a worker only needs to insert the connecting rod (16) into the inner cavity of the slot (13), the second contact (15) is electrically connected with the first contact (14) through the connecting rod (16), namely, the current converted on the solar panel (19) is transmitted to the coil on the second iron block (12) through the connecting rod (16), and the coil on the second iron block (12) becomes an electromagnet after being electrified to attract the first iron block (11);
step two: through the mutual attraction between the first iron block (11) and the second iron block (12), the first iron block (11) drives the sliding block (9) to move towards the direction of the second iron block (12) under the limit of the sliding groove (10), and then the sliding block (9) drives the clamping block (7) to be separated from the inner cavity of the clamping groove (8), and at the moment, the clamping block (7) does not limit the position of the arc-shaped sliding rod (6);
step three: when the arc-shaped sliding rod (6) slides in the inner cavity of the annular groove without limitation, the tension spring (17) in a stretching state has certain elastic potential energy, and can pull the arc-shaped sliding rod (6) to slide in the inner cavity of the annular groove until the arc-shaped sliding rod (6) slides into the inner cavity of the fixing ring (5) completely;
step four: the opening on the fixing ring (5) is not limited by the arc-shaped sliding rod (6), so that the power transmission line in the inner cavity of the fixing ring (5) can be taken out conveniently, the inconvenience of convenience and high disassembly during threaded connection is avoided, the connecting rod (16) is carried on the body of a worker, and the theft of a thief to the line in the inner cavity of the fixing ring (5) can be greatly prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910885332.5A CN110611280B (en) | 2019-09-19 | 2019-09-19 | Power transmission line anti-theft system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910885332.5A CN110611280B (en) | 2019-09-19 | 2019-09-19 | Power transmission line anti-theft system and method |
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| Publication Number | Publication Date |
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| CN110611280A true CN110611280A (en) | 2019-12-24 |
| CN110611280B CN110611280B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910885332.5A Active CN110611280B (en) | 2019-09-19 | 2019-09-19 | Power transmission line anti-theft system and method |
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| CN (1) | CN110611280B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039258A (en) * | 2021-11-16 | 2022-02-11 | 贵州电网有限责任公司 | Insulating bar auxiliary device of earth connection |
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| JPS5450297A (en) * | 1977-09-28 | 1979-04-20 | Maruko Denki Kouji Kk | Electric wire burglar alarm safety device |
| GB2166283A (en) * | 1984-09-07 | 1986-04-30 | Tenchmain Limited | Transmission medium violation protection shield |
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| CN102195257A (en) * | 2010-03-06 | 2011-09-21 | 何杰 | Anti-theft clamp for feeder cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039258A (en) * | 2021-11-16 | 2022-02-11 | 贵州电网有限责任公司 | Insulating bar auxiliary device of earth connection |
| CN114039258B (en) * | 2021-11-16 | 2024-04-12 | 贵州电网有限责任公司 | Insulating operating rod auxiliary device of earth connection |
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| Publication number | Publication date |
|---|---|
| CN110611280B (en) | 2021-04-06 |
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Effective date of registration: 20210706 Address after: No. 860, Xingong Avenue, East Industrial District, Xindu, Chengdu, Sichuan 610000 Patentee after: Chengdu Youli Kuen New Material Co.,Ltd. Address before: No. 860, Xingong Avenue, East Industrial District, Xindu, Chengdu, Sichuan 610500 Patentee before: CHENGDU TORCH ENERGY MACHINERY MANUFACTURING Co.,Ltd. |