CN117238594A - Lightning protection post porcelain insulator for overhead power line - Google Patents
Lightning protection post porcelain insulator for overhead power line Download PDFInfo
- Publication number
- CN117238594A CN117238594A CN202311450994.2A CN202311450994A CN117238594A CN 117238594 A CN117238594 A CN 117238594A CN 202311450994 A CN202311450994 A CN 202311450994A CN 117238594 A CN117238594 A CN 117238594A
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- CN
- China
- Prior art keywords
- arc
- fixedly connected
- power line
- lightning protection
- overhead power
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 48
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 22
- 230000005389 magnetism Effects 0.000 abstract description 6
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 abstract description 3
- 230000008033 biological extinction Effects 0.000 abstract description 2
- 208000025274 Lightning injury Diseases 0.000 description 15
- 238000009413 insulation Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulators (AREA)
Abstract
The invention discloses a lightning protection post porcelain insulator for an overhead power line, which relates to the technical field of insulators and comprises a plurality of core rods, wherein umbrella sleeves are fixedly connected to the outer parts of the core rods, the top of each core rod is fixedly connected with an upper seat, a fixed plate is fixedly connected to the outer wall of each upper seat, one end of each fixed plate, which is far away from each upper seat, is rotationally connected with an arc block through a rotating shaft, a torsion spring is fixedly connected to the outer part of each rotating shaft, one end of each torsion spring is fixedly connected to the corresponding fixed plate, the other end of each torsion spring is fixedly connected to each arc block, and one end of each arc block, which is far away from each upper seat, is fixedly connected with an arc striking rod. This a lightning protection pillar porcelain insulator for overhead power line, the coil is through the electric current circular telegram that the thunderbolt produced producing magnetism, and its and magnet produce repulsive force for the arc box slides towards the direction of core rod dorsad on the arc board, and then makes the interval grow between arc extinction cap and the striking stick, improves the security that the insulator used.
Description
Technical Field
The invention relates to the technical field of insulators, in particular to a lightning protection post porcelain insulator for an overhead power line.
Background
The insulator is a special insulation control and can play an important role in overhead transmission lines. The insulator is mainly used for telegraph poles in early years, is slowly developed at one end of a high-voltage wire connecting tower and is hung with a plurality of disc-shaped insulators, the disc-shaped insulators are usually made of glass or ceramic for increasing the creepage distance, and the insulators of different types are composed of two parts, namely an insulator and a connecting fitting, although the structures and the shapes of the insulators of different types are greatly different.
The lightning overvoltage breaks through the insulating layer of the conducting wire to cause the insulator to flashover, the breakdown part is in a pinhole shape, the arc root of the continuous power frequency short circuit arc burns at the pinhole, and the insulating conducting wire is blown out at a high speed; the lightning stroke broken line seriously affects the safe operation of the power grid, and in order to thoroughly solve the lightning stroke broken line of the insulated wire, a lightning-proof column type porcelain insulator is invented. The interval between the arc striking rod and the arc extinguishing cap of the existing lightning protection post insulator is difficult to correspondingly adjust according to the current quantity generated by lightning stroke, so that the insulator is easy to damage.
Therefore, it is necessary to provide a lightning protection post porcelain insulator for overhead power lines to solve the above problems.
Disclosure of Invention
The invention aims to provide a lightning protection post porcelain insulator for an overhead power line, which is used for solving the problem that the lightning overvoltage provided in the background art breaks through a wire insulation layer to cause insulator flashover, the breakdown part is in a pinhole shape, the arc root of a continuous power frequency short circuit arc burns at the pinhole, and the insulation wire is blown out at a high speed; the lightning stroke broken line seriously affects the safe operation of the power grid, and in order to thoroughly solve the lightning stroke broken line of the insulated wire, a lightning-proof column type porcelain insulator is invented. The interval between the arc striking rod and the arc extinguishing cap of the existing lightning protection post insulator is difficult to correspondingly adjust according to the current quantity generated by lightning stroke, so that the insulator is easy to damage.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a lightning protection pillar porcelain insulator for overhead power line, includes the plug, the outside fixedly connected with chute boot of plug, the chute boot sets up to a plurality ofly, a plurality of chute boot are equidistance and distribute, the top fixedly connected with seat of going up of plug, fixedly connected with fixed plate on the outer wall of seat of going up, the one end that the seat was kept away from to the fixed plate is rotated through the pivot and is connected with the arc piece, the outside fixedly connected with torsional spring of pivot, the one end fixedly connected with of torsional spring is on the fixed plate, the other end fixedly connected with of torsional spring is on the arc piece, the one end fixedly connected with arc striking stick that the seat was kept away from to the arc piece, the lower half fixedly connected with lower seat of plug, fixedly connected with arc extinguishing cap on the outer wall of lower seat, arc extinguishing cap corresponds the distribution with the fixed plate, arc extinguishing cap cooperates with the arc striking stick, the circular slot has been seted up to the inside of arc striking stick, the arc striking stick is towards the one side of plug, square opening and circular slot intercommunication, set up between arc extinguishing component and the cooperation with the coil.
Preferably, the adjusting component comprises an arc plate, an arc box and a sliding block, wherein the arc plate is fixedly connected to the outer wall of the core rod, the arc box is slidably connected to one end of the arc plate, which is far away from the core rod, the sliding block is slidably connected to the inside of the arc box, the sliding block is fixedly connected to the arc plate, one end of the arc box, which is far away from the arc plate, is fixedly connected to the arc striking rod, and the arc box is communicated with the circular groove through a square opening.
Preferably, the adjusting assembly further comprises a magnet fixedly connected to one face of the sliding block, which faces the arc striking rod.
Preferably, the top fixedly connected with of upper seat is connected with down the terminal block, the top of lower terminal block is provided with the terminal block, the arc groove has all been seted up to the one side that the terminal block is close to each other down with the terminal block.
Preferably, the four corners of the upper surface of the lower wiring block are fixedly connected with first threaded rods, round holes are formed in the four corners of the upper wiring block, and the round holes are distributed corresponding to the first threaded rods.
Preferably, the first arc strips are fixedly connected to the two ends of the lower wiring block, the second arc strips are fixedly connected to the two ends of the upper wiring block, and the surfaces of the first arc strips and the second arc strips, which are close to each other, are concave surfaces.
Preferably, the two sides of the first arc strip are fixedly connected with first square strips, the two sides of the second arc strip are fixedly connected with second square strips, and the first square strips and the second square strips are correspondingly distributed.
Preferably, a support plate is arranged below the lower seat and is in sliding connection with the outside of the core rod, a round sleeve is fixedly connected to the upper surface of the support plate, and the round sleeve is in sliding connection with the outside of the core rod.
Preferably, the side wall of the round sleeve is connected with a bolt in a threaded manner.
Preferably, the bottom of the core rod is fixedly connected with a second threaded rod.
The invention has the technical effects and advantages that:
1. when lightning stroke occurs, the arc striking rod can guide current generated by the lightning stroke and discharge and consume the current through matching with the arc extinguishing cap, and in the process that the arc striking rod guides the current generated by the lightning stroke, the coil is electrified through the current generated by the lightning stroke to generate magnetism and generates repulsive force with the magnet, so that the arc box slides on the arc plate in the direction of back to the core rod, the distance between the arc extinguishing cap and the arc striking rod is increased, and the use safety of the insulator is improved;
2. the first arc strip and the second arc strip are arranged, the wires are supported from the two sides of the lower wiring block and the upper wiring block, the contact area of the first arc strip and the second arc strip is increased through the first square strip and the second square strip, and the connection stability of the insulator and the wires is further improved;
3. and rotating the bolt to stir the round sleeve to enable the round sleeve to slide downwards on the core rod, attaching the support plate to the carrying pole, reversely rotating the bolt, extruding and attaching the end part of the bolt to the outer wall of the core rod, fixing the positions of the round sleeve and the support plate, and improving the use stability of the insulator.
Drawings
Fig. 1 is a schematic view of the structure of the lightning protection post porcelain insulator for overhead power lines of the present invention.
FIG. 2 is a schematic view of the upper seat, the fixing plate, the arc plate and the arc striking rod.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
FIG. 4 is a schematic view of the structure of the fixing plate, the rotating shaft and the torsion spring of the present invention.
Fig. 5 is a schematic view of the structure of the lower connection block, the first threaded rod and the first arc strip according to the present invention.
Fig. 6 is a schematic view of the structure of the upper junction block, the round hole and the second arc strip of the present invention.
In the figure: 1. a core rod; 2. umbrella cover; 3. an upper seat; 4. a lower seat; 5. a fixing plate; 6. a rotating shaft; 7. an arc block; 8. an arc striking rod; 9. an arc plate; 10. an arc box; 11. a slide block; 12. a magnet; 13. a circular groove; 14. a coil; 15. a bolt; 16. a square opening; 17. a torsion spring; 18. a lower junction block; 19. a first arc bar; 20. a first threaded rod; 21. a first square bar; 22. an upper junction block; 23. a round hole; 24. a second arc bar; 25. a second square bar; 26. an arc extinction cap; 27. a second threaded rod; 28. a support plate; 29. and (5) a round sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be made clear below in conjunction with the drawings in the embodiments of the present invention; it will be apparent that the embodiments described are only some, but not all, of the embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a lightning protection post porcelain insulator for an overhead power line, which is shown in figures 1-6, and comprises a core rod 1, wherein umbrella sleeves 2 are fixedly connected to the outer part of the core rod 1, a plurality of umbrella sleeves 2 are arranged, and the umbrella sleeves 2 are distributed at equal intervals. The top fixedly connected with upper seat 3 of plug 1, fixedly connected with fixed plate 5 on the outer wall of upper seat 3, the one end that upper seat 3 was kept away from to fixed plate 5 is rotated through pivot 6 and is connected with arc piece 7, and arc piece 7 is kept away from the one end fixedly connected with striking stick 8 of upper seat 3. The outside fixedly connected with torsional spring 17 of pivot 6, the one end fixed connection of torsional spring 17 is on fixed plate 5, and the other end fixed connection of torsional spring 17 is on arc piece 7, sets up torsional spring 17 for arc piece 7 is under the non-thunderbolt state, fixes the position of arc piece 7, prevents that arc piece 7 from appearing rocking at will, is used for the reset of arc piece 7 after the thunderbolt to finish simultaneously. The lower half section of the core rod 1 is fixedly connected with a lower seat 4, the outer wall of the lower seat 4 is fixedly connected with arc extinguishing caps 26, and the arc extinguishing caps 26 are correspondingly distributed with the fixing plate 5. The arc extinguishing cap 26 is matched with the arc striking rod 8, and when a lightning strike occurs, the arc striking rod 8 can guide current generated by the lightning strike and discharge and consume through matching with the arc extinguishing cap 26.
A round groove 13 is formed in the arc striking rod 8, and a coil 14 is fixedly connected in the round groove 13. When the striking rod 8 guides the current generated by the lightning strike, the coil 14 is electrified by the current generated by the lightning strike to generate magnetism. The side of the arc striking rod 8 facing the core rod 1 is provided with a square opening 16, the square opening 16 is communicated with the circular groove 13, and an adjusting component matched with the coil 14 is arranged between the arc striking rod 8 and the core rod 1. The square opening 1 is arranged, so that the coil 14 in the circular groove 13 is convenient to be matched with the adjusting component.
When specifically arranged, the adjusting assembly comprises an arc plate 9, an arc box 10 and a sliding block 11. An arc plate 9 and an arc box 10 are arranged to facilitate the deflection of the arc striking rod 8. The arc plate 9 is fixedly connected to the outer wall of the core rod 1, and the arc box 10 is slidably connected to one end of the arc plate 9 away from the core rod 1. The sliding block 11 is slidably connected to the inside of the arc box 10, and the sliding block 11 is fixedly connected to the arc plate 9. One end of the arc box 10, which is far away from the arc plate 9, is fixedly connected to the arc striking rod 8, and the arc box 10 is communicated with the circular groove 13 through the square opening 16.
The adjusting assembly further comprises a magnet 12, the magnet 12 being fixedly connected to the side of the slider 11 facing the striking rod 8. The coil 14 is energized by the current generated by the lightning strike to generate magnetism and it generates a repulsive force with the magnet 12.
When a lightning stroke occurs, the arc striking rod 8 can guide the current generated by the lightning stroke and discharge the current through matching with the arc extinguishing cap 26, and in the process that the arc striking rod 8 guides the current generated by the lightning stroke, the coil 14 is electrified to generate magnetism through the current generated by the lightning stroke and generates repulsive force with the magnet 12, so that the arc box 10 slides on the arc plate 9 in the direction opposite to the core rod 1, the distance between the arc extinguishing cap 26 and the arc striking rod 8 is increased, and the use safety of the insulator is improved.
Further, after lightning stroke is ended, the coil 14 loses magnetism, and the reset elastic force of the torsion spring 17 drives the arc striking rod 8 to reset through the arc block 7.
The top fixedly connected with lower junction block 18 of upper seat 3, the top of lower junction block 18 is provided with upper junction block 22, and the arc groove has all been seted up to the one side that lower junction block 18 and upper junction block 22 are close to each other. In particular use, the wires are routed through the arcuate slot between the lower terminal block 18 and the upper terminal block 22.
The four corners of the upper surface of the lower wiring block 18 are fixedly connected with first threaded rods 20, the four corners of the upper wiring block 22 are provided with round holes 23, and the round holes 23 are distributed corresponding to the first threaded rods 20. In specific use, the wire is placed in the arc groove of the lower junction block 18, the four round holes 23 of the upper junction block 22 are aligned with the four first threaded rods 20 of the lower junction block 18, the upper junction block 22 is pressed downwards, the wire is fixed between the lower junction block 18 and the upper junction block 22, and the wire is fastened by matching nuts with the first threaded rods 20.
The first arc strip 19 of both ends fixedly connected with of lower junction block 18, the second arc strip 24 of both ends fixedly connected with of last junction block 22, the one side that first arc strip 19 and second arc strip 24 are close to each other is the concave surface. To improve the stability of the connection of the insulator to the conductor, a first 19 and a second 24 arc are provided, supporting the conductor from both sides of the lower 18 and upper 22 terminal blocks.
In order to improve the contact area between the first arc strip 19 and the second arc strip 24 and further improve the connection stability of the insulator and the lead, the first square strips 21 are fixedly connected to the two sides of the first arc strip 19, the second square strips 25 are fixedly connected to the two sides of the second arc strip 24, and the first square strips 21 and the second square strips 25 are correspondingly distributed.
During operation, the first arc strip 19 and the second arc strip 24 are arranged, wires are supported from two sides of the lower wiring block 18 and the upper wiring block 22, the contact area of the first arc strip 19 and the second arc strip 24 is increased through the first square strip 21 and the second square strip 25, and then the connection stability of the insulator and the wires is improved.
The bottom fixedly connected with second threaded rod 27 of plug 1, during the concrete use, second threaded rod 27 wears to establish on the shoulder pole to fasten through the nut.
The lower part of the lower seat 4 is provided with a support plate 28, the support plate 28 is connected with the outside of the core rod 1 in a sliding way, the upper surface of the support plate 28 is fixedly connected with a round sleeve 29, and the round sleeve 29 is connected with the outside of the core rod 1 in a sliding way. The round sleeve 29 is shifted to enable the round sleeve to slide downwards on the mandrel 1, the support plate 28 is attached to the carrying pole, the insulator is placed to shake, and the stability of connection between the insulator and the carrying pole is improved. The side wall of the round sleeve 29 is connected with a bolt 15 in a threaded manner.
During operation, the bolt 15 is rotated, the round sleeve 29 is stirred to enable the round sleeve 29 to slide downwards on the core rod 1, the support plate 28 is attached to the carrying pole, then the bolt 15 is reversely rotated, the end part of the bolt 15 is extruded and attached to the outer wall of the core rod 1, the positions of the round sleeve 29 and the support plate 28 are fixed, and the use stability of the insulator is improved.
Claims (10)
1. The utility model provides a lightning protection pillar porcelain insulator for overhead power line, includes plug (1), its characterized in that: the utility model discloses a round arc striking device, including core rod (1), fixed plate (5), arc extinguishing cap (26) and fixed plate (5) are rotated through pivot (6) and are connected with arc piece (7), the outside fixedly connected with torsional spring (17) of pivot (6), the one end fixed connection of torsional spring (17) is on fixed plate (5), the other end fixed connection of torsional spring (17) is on arc piece (7), the one end fixedly connected with arc striking rod (8) of upper seat (3) are kept away from to arc piece (7), lower half fixedly connected with lower seat (4) of core rod (1), fixedly connected with arc extinguishing cap (26) on the outer wall of lower seat (4), arc extinguishing cap (26) and fixed plate (5) correspond and distribute, arc extinguishing cap (26) are equipped with arc striking rod (8) and arc striking rod (13) of round arc striking device (13) are located on one side of arc striking rod (8), arc striking rod (13) are connected with round arc striking groove (13), the square opening (16) is communicated with the circular groove (13), and an adjusting component matched with the coil (14) is arranged between the arc striking rod (8) and the core rod (1).
2. A lightning protection post porcelain insulator for an overhead power line according to claim 1, wherein: the adjusting component comprises an arc plate (9), an arc box (10) and a sliding block (11), wherein the arc plate (9) is fixedly connected to the outer wall of the core rod (1), the arc box (10) is slidably connected to one end, far away from the core rod (1), of the arc plate (9), the sliding block (11) is slidably connected to the inside of the arc box (10), the sliding block (11) is fixedly connected to the arc plate (9), one end, far away from the arc plate (9), of the arc box (10) is fixedly connected to the arc striking rod (8), and the arc box (10) is communicated with the circular groove (13) through a square opening (16).
3. A lightning protection post porcelain insulator for an overhead power line according to claim 2, wherein: the adjusting assembly further comprises a magnet (12), and the magnet (12) is fixedly connected to one surface of the sliding block (11) facing the arc striking rod (8).
4. A lightning protection post porcelain insulator for an overhead power line according to claim 1, wherein: the top fixedly connected with of upper seat (3) is connected with lower junction block (18), the top of lower junction block (18) is provided with upper junction block (22), arc groove has all been seted up to the one side that is close to each other of lower junction block (18) and upper junction block (22).
5. A lightning protection post porcelain insulator for an overhead power line according to claim 4, wherein: the four corners of the upper surface of the lower wiring block (18) are fixedly connected with first threaded rods (20), round holes (23) are formed in the four corners of the upper wiring block (22), and the round holes (23) are distributed corresponding to the first threaded rods (20).
6. A lightning protection post porcelain insulator for an overhead power line according to claim 5, wherein: the two ends of the lower wiring block (18) are fixedly connected with first arc strips (19), the two ends of the upper wiring block (22) are fixedly connected with second arc strips (24), and the surfaces of the first arc strips (19) and the second arc strips (24) close to each other are concave surfaces.
7. A lightning protection post porcelain insulator for an overhead power line according to claim 6, wherein: the two sides of the first arc strip (19) are fixedly connected with first square strips (21), the two sides of the second arc strip (24) are fixedly connected with second square strips (25), and the first square strips (21) and the second square strips (25) are correspondingly distributed.
8. A lightning protection post porcelain insulator for an overhead power line according to claim 1, wherein: the lower part of lower seat (4) is provided with extension board (28), extension board (28) sliding connection is in the outside of plug (1), the upper surface fixedly connected with circle cover (29) of extension board (28), circle cover (29) sliding connection is in the outside of plug (1).
9. A lightning protection post porcelain insulator for an overhead power line according to claim 8, wherein: the side wall of the round sleeve (29) is connected with a bolt (15) in a threaded mode.
10. A lightning protection post porcelain insulator for an overhead power line according to claim 1, wherein: the bottom of the core rod (1) is fixedly connected with a second threaded rod (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311450994.2A CN117238594A (en) | 2023-11-02 | 2023-11-02 | Lightning protection post porcelain insulator for overhead power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311450994.2A CN117238594A (en) | 2023-11-02 | 2023-11-02 | Lightning protection post porcelain insulator for overhead power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117238594A true CN117238594A (en) | 2023-12-15 |
Family
ID=89098437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311450994.2A Pending CN117238594A (en) | 2023-11-02 | 2023-11-02 | Lightning protection post porcelain insulator for overhead power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117238594A (en) |
-
2023
- 2023-11-02 CN CN202311450994.2A patent/CN117238594A/en active Pending
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