CN204067855U - A kind of parallel clearance lightning protection device - Google Patents
A kind of parallel clearance lightning protection device Download PDFInfo
- Publication number
- CN204067855U CN204067855U CN201420521599.9U CN201420521599U CN204067855U CN 204067855 U CN204067855 U CN 204067855U CN 201420521599 U CN201420521599 U CN 201420521599U CN 204067855 U CN204067855 U CN 204067855U
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- CN
- China
- Prior art keywords
- lightning protection
- insulator
- protection device
- metal electrode
- movable part
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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.)
- Expired - Fee Related
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000012212 insulator Substances 0.000 claims abstract description 27
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 10
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 abstract description 4
- 239000010962 carbon steel Substances 0.000 abstract description 4
- 238000002679 ablation Methods 0.000 abstract description 3
- 239000007772 electrode material Substances 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Abstract
The utility model discloses a kind of parallel clearance lightning protection device, comprise insulator, respectively with on insulator, it is upper that lower end connects, lower metal electrode, described lower metal electrode is connected to the lower end of insulator by adjusting mechanism, described adjusting mechanism comprises the fixture being connected to insulator lower end, can the movable part that adjusts up and down of opposed fixed member and the latch assembly that is connected between fixture and movable part, latch assembly can lock movable part and lightning protection inter space distance fixed by fixture, on, lower metal electrode comprises connecting rod respectively and is tightened on the tungsten-copper alloy ball of connecting rod end, tungsten-copper alloy ball has good ablation resistance and resistance fusion welding, carbon steel can be substituted as electrode material better, demountable structure facilitates the replacing of part, it is more convenient to operate.
Description
Technical field
The utility model relates to electric power system power distribution lightning protection device technical field, particularly relates to a kind of parallel clearance lightning protection device of adjustable clearance.
Background technology
Overhead transmission line many places are in remote area; environment is comparatively severe; easily suffer lightning stroke flashover and pollution flashover; power frequency continued flow after flashover can up to tens kilo-amperes; threaten the safety of electric power system; for addressing this is that; the measure taked both at home and abroad is pair of metal electrodes in parallel at the insulator string of resistance to electric arc two ends; when overhead transmission line is struck by lightning; insulator string produces very high lightning overvoltage; but because the lightning impulse flashover voltage of portable protective gaps is lower than the discharge voltage of insulator string, therefore first portable protective gaps discharges.The power frequency arc continued is under electric power and thermal stress effect; by the discharge channel that parallel connection gaps is formed, be directed to metal electrode end, be fixed on metal electrode cigarette burning; thus protection insulator avoids electric arc calcination, and then the safe operation of protection overhead transmission line.
Current Parallel Gap Lightning Protection Device on Overhead Transmission Lines material adopts carbon steel manufacture mostly, its ablation resistance is very poor, traditional carbon steel metal electrode is under high voltage, big current effect, arc erosion makes surface of metal electrode produce serious rhegmalypt and premature failure, can not meet industrialization demand, traditional lightning protection device gap is fixed unadjustable, can better not mate various different insulator and equipment.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides easy to operate, the simple a kind of parallel clearance lightning protection device of structure, can regulate the distance of lightning protection inter space easily.
The purpose of this utility model realizes by following technical solution:
A kind of parallel clearance lightning protection device, comprise insulator, respectively with on insulator, it is upper that lower end connects, lower metal electrode, it is characterized in that: described lower metal electrode is connected to the lower end of insulator by adjusting mechanism, described adjusting mechanism comprises the fixture being connected to insulator lower end, can the movable part that adjusts up and down of opposed fixed member and the latch assembly that is connected between fixture and movable part, described lower metal electrode is connected on movable part, described fixture is provided with vertically extending first serrated face, described movable part is formed with second serrated face of fitting with the first serrated face,
Further, described fixture comprises the level board being connected to insulator lower end and the first vertical panel being formed with described first serrated face, described movable part is the second vertical panel being formed with described second serrated face, and first, second serrated face described is meshed when contacting.
Further, the first described serrated face is formed with the elongated hole vertically extended, described second serrated face is formed with the location hole that can align with elongated hole, described latch assembly comprises bolt through location hole and elongated hole and the nut that is arranged on bolt.
Further, described upper metal electrode is connected with wire by retaining mechanism, and wire is connected with the upper end of insulator, the bolt and nut that described retaining mechanism comprises upper and lower clamping plate and is connected between lower plate.
Further, described upper lower plate is formed with the arc groove that can pass for wire.
Further, described upper and lower metal electrode comprises connecting rod respectively and is arranged on the ball discharge of connecting rod end.
Further, described connecting rod end arranges threaded rod, and ball discharge is formed with the screw matched with threaded rod.
Further, described ball discharge material is tungsten-copper alloy.
The utility model has following beneficial effect:
1) described in the utility model be connected to lower metal electrode fixture and movable part be provided with second serrated face of fitting with the first serrated face, first, second serrated face is meshed when contacting, movable part can be prevented to be subjected to displacement relative to fixture, the distance of lightning protection inter space can be fixed better.
2) the first serrated face described in the utility model is formed with elongated hole, described second serrated face is formed with location hole, latch assembly is through location hole and elongated hole, movable part can be moved up and down along elongated hole, can regulate lightning protection inter space distance more easily, latch assembly locks movable part and fixture can fix clearance distance.
3) ball discharge material described in the utility model is tungsten-copper alloy, has good ablation resistance and resistance fusion welding, and can substitute carbon steel as electrode material better, demountable structure facilitates the replacing of part, and it is more convenient to operate.
Accompanying drawing explanation
Fig. 1 is lightning protection device using state figure.
Fig. 2 is the structural representation of fixture.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the vertical view of Fig. 2.
Fig. 5 is the johning knot composition of movable part and lower metal electrode.
Fig. 6 is Fig. 5 left view.
Fig. 7 is the vertical view of Fig. 5.
Fig. 8 is the cutaway view of tungsten-copper alloy ball.
Fig. 9 is the johning knot composition of retaining mechanism and upper metal electrode
Figure 10 is the left view of Fig. 9.
Figure 11 is the vertical view of Fig. 9.
Embodiment
A kind of parallel clearance lightning protection device comprises as shown in Figure 1 to 11: insulator 2, the upper and lower metal electrode 6,7 be connected with insulator upper and lower end 21,22 respectively.
Lower metal electrode 7 is connected to insulator lower end 22 by adjusting mechanism 5, adjusting mechanism 5 comprises the fixture 51 being connected to insulator lower end 22, can the movable part 52 that adjusts of opposed fixed member about 51 and the latch assembly 531 that is connected between fixture 51 and movable part 52, 532: fixture 51 comprises level board 515 and the first vertical panel 516, bolt is connected to insulator lower end 22 through the through hole 518 of level board 515 and cross-arm 4, first vertical panel 516 is formed with vertically extending first serrated face 511, first serrated face 511 is formed with the elongated hole 512 vertically extended, movable part 52 is for being formed with the second vertical panel of the second serrated face 521, first serrated face 511 is meshed when contacting with the second serrated face 521, second serrated face 521 is formed with the location hole 522 that can align with elongated hole 512, lower metal electrode 7 is connected on movable part 52, latch assembly 531,532 comprises bolt 531 and nut 532, bolt 531 is through the location hole 522 on movable part 52 and the elongated hole 512 on fixture 51, movable part 52 can move up and down adjustment position relative to fixture 51, lock movable part 52 and fixture 51 by the nut 532 be arranged on bolt 531, fix the distance of lightning protection inter space.
Upper metal electrode 6 is connected with wire 1 by retaining mechanism 3, retaining mechanism 3 comprises train wheel bridge 31, lower plate 32 and being connected to, lower plate 31, bolt 33 between 32, nut 34, wire 1 is through upper, lower plate 31, the arc groove 312 of 32, 322, train wheel bridge 31 forms left and right through hole 312, 313, lower plate 32 is provided with the left and right through hole 322 aligned with train wheel bridge 31, 323, two bolts 33 are each passed through, lower plate 31, the left through hole 312 of 32, 322 and upper lower plate 31, the right through hole 313 of 32, 323, by the nut 34 be arranged on bolt 33, retaining mechanism 3 is fixed on wire 1, wire 1 is connected to insulator upper end 21.
Upper metal electrode 6 comprises connecting rod 61 and tungsten-copper alloy ball 62, lower metal electrode 7 comprises connecting rod 71 and tungsten-copper alloy ball 62, described tungsten-copper alloy ball 62 is formed with screw 621, connecting rod 61,71 end of upper and lower metal electrode 6,7 is provided with the threaded rod matched with screw 621, and tungsten-copper alloy ball 62 is tightened on the end of the connecting rod 61,72 of upper and lower metal electrode 6,7.
The above, be only preferred embodiment of the present utility model, therefore can not limit with this scope that the utility model implements, the equivalence namely done according to the utility model claim and description change with modify, all should still belong in scope that the utility model patent contains.
Claims (8)
1. a parallel clearance lightning protection device, comprise insulator, respectively with on insulator, it is upper that lower end connects, lower metal electrode, it is characterized in that: described lower metal electrode is connected to the lower end of insulator by adjusting mechanism, described adjusting mechanism comprises the fixture being connected to insulator lower end, can the movable part that adjusts up and down of opposed fixed member and the latch assembly that is connected between fixture and movable part, described lower metal electrode is connected on movable part, described fixture is provided with vertically extending first serrated face, described movable part is formed with the second serrated face engaged with the first serrated face.
2. a kind of parallel clearance lightning protection device according to claim 1, it is characterized in that: described fixture comprises the level board being connected to insulator lower end and the first vertical panel being formed with described first serrated face, described movable part is the second vertical panel being formed with described second serrated face, and first, second serrated face described is meshed when contacting.
3. a kind of parallel clearance lightning protection device according to claim 1, it is characterized in that: described first serrated face is formed with the elongated hole vertically extended, described second serrated face is formed with the location hole that can align with elongated hole, described latch assembly comprises bolt through location hole and elongated hole and the nut that is arranged on bolt.
4. a kind of parallel clearance lightning protection device according to claim 1 or 2 or 3, it is characterized in that: described upper metal electrode is connected with wire by retaining mechanism, wire is connected with the upper end of insulator, the bolt and nut that described retaining mechanism comprises upper and lower clamping plate and is connected between upper and lower clamping plate.
5. a kind of parallel clearance lightning protection device according to claim 4, is characterized in that: described upper and lower clamping plate are formed with the arc groove that can pass for wire.
6. according to the arbitrary described a kind of parallel clearance lightning protection device of claims 1 to 3, it is characterized in that: described upper and lower metal electrode comprises connecting rod respectively and is arranged on the ball discharge of connecting rod end.
7. a kind of parallel clearance lightning protection device according to claim 6, is characterized in that: described connecting rod end arranges threaded rod, and ball discharge is formed with the screw matched with threaded rod.
8. a kind of parallel clearance lightning protection device according to claim 6, is characterized in that: described ball discharge material is tungsten-copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521599.9U CN204067855U (en) | 2014-09-11 | 2014-09-11 | A kind of parallel clearance lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521599.9U CN204067855U (en) | 2014-09-11 | 2014-09-11 | A kind of parallel clearance lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067855U true CN204067855U (en) | 2014-12-31 |
Family
ID=52209303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420521599.9U Expired - Fee Related CN204067855U (en) | 2014-09-11 | 2014-09-11 | A kind of parallel clearance lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204067855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184047A (en) * | 2014-09-11 | 2014-12-03 | 泉州亿兴电力有限公司 | Parallel gap lightning protection device |
-
2014
- 2014-09-11 CN CN201420521599.9U patent/CN204067855U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184047A (en) * | 2014-09-11 | 2014-12-03 | 泉州亿兴电力有限公司 | Parallel gap lightning protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20210911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |