CN105262041B - Minefield lightning arrester - Google Patents
Minefield lightning arrester Download PDFInfo
- Publication number
- CN105262041B CN105262041B CN201510737883.9A CN201510737883A CN105262041B CN 105262041 B CN105262041 B CN 105262041B CN 201510737883 A CN201510737883 A CN 201510737883A CN 105262041 B CN105262041 B CN 105262041B
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- lid
- support arm
- rib
- connecting portion
- minefield
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- 210000005056 cell body Anatomy 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 10
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- 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 8
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000011835 investigation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
Minefield lightning arrester.Including support arm and lid；The lid is set down in the arc and recess of indent；The lid is fixed on the top of the support arm, and the support arm lower end is connected with shaft tower；The lid is apart from shaft tower top 80cm to 110cm；It is distributed on the top surface of the lid and axis opposing perpendicular planes inclined inclined hole laterally is set.By setting cover body structure at the determining deviation of shaft tower top one, can effectively prevent thunderbolt from acting directly on lightning conducter, effectively reduce caused by thunderstorm season is struck by lightning and stop disconnection fault, reduce rate of breakdown, mitigate maintenance, investigation difficulty, for user power utilization provides stabilization guarantee, power supply quality is lifted.
Description
Technical field
The present invention relates to minefield protector for transmission line field, specifically to keeping away that minefield power transmission cable is protected
Thunder device.
Background technology
Being prone to the place of thunderbolt and repair on relatively difficult communication electric pole, install lightning conducter can play compared with
Good lightning protection effect.Lightning conducter is typically all thread iron, is fixed on electric pole by bail, and the bottom of lightning conducter is buried
In soil.Electric pole can thus be protected from " attack " of direct lightning strike.
Lightning conducter is erected at head of mast also known as aerial earth wire, one or two, for lightning protection, 110-220 KVs
It is general to be set up along all fronts.When overhead transmission line thunder, may beat on wire, it is also possible to beat on shaft tower.During thunderbolt wire,
So-called " overvoltage " far above circuit rated voltage, sometimes up to millions of volts will be produced on wire.It exceedes line insulator
During the dielectric strength of string, " flashover " is often caused line tripping, or even cause power outage by insulator.Lightning conducter can hide
Firmly wire, makes thunder try one's best with lightning conducter sheet, and by the metal part on shaft tower and the earthing or grounding means for being embedded in underground,
Lightning current is set to flow into the earth.During thunderbolt shaft tower or lightning conducter, the anti-electricity that the voltage between shaft tower and wire exceedes insulator chain is strong
When spending, insulator chain causes lightning strike accident also by flashover.It is generally this kind of to reduce with the method for reducing pole tower ground resistance
Accident.
It is well known that the trip event of minefield supply line, is caused thunderbolt.After transmission line caused by lightning strike, by day
The influence of many factors such as gas, the fortune inspection personnel of power transmission cable are difficult ground again and find trouble point in time, generally require to wait until
Head of mast checks there is certain potential safety hazard in checking process.Additionally, electric substation's circuit is generally bar double back hack lever, has a power failure and make
Industry influence is larger.Overcome regular thunderbolt to cause the means of failure to be mainly at present and install lightning rod additional in head of mast.
The content of the invention
To solve above-mentioned problem, the present invention is improved existing lightening protection installation, there is provided a kind of minefield
Lightning arrester, it can reduce the fault rate that rainy season minefield circuit stops power-off, reduce the human and material resources loss that thunderbolt is caused,
Effectively enhancing resident's thunderstorm weather electricity consumption ensures that reduction thus caused inconvenience strengthens the stable of minefield circuit thundery sky
Property, improve power supply quality.
The technical scheme adopted by the invention to solve the technical problem is that：
A kind of minefield lightning arrester, including support arm and lid；The lid is set down in the arc and recess of indent；
The lid is fixed on the top of the support arm, and the support arm lower end is connected with shaft tower；The lid is apart from shaft tower top
80cm to 110cm；It is distributed on the top surface of the lid and axis opposing perpendicular planes inclined inclined hole laterally is set.
Further, the lower edge periphery of the lid is arranged to zigzag.
Further, also including fixed part and fixture block；
U-type groove is set on the fixed part, is set along the deep gouge in groove depth direction, before and after deep gouge in the bottom surface of U-type groove
Chute is set on the wall of side；The fixture block is coordinated with the deep gouge by rail structure；Set in the right-hand member of the fixed part
Screwed hole in set bolt, bolt coordinates through screwed hole with the right side of fixture block.
The support arm right flank lower end set bar-shaped trough, set on the front-rear side walls of the bar-shaped trough with it is described
The chute that fixture block coordinates；Bolt is set in the screwed hole that the left end correspondence bar-shaped trough of the support arm is set, bolt passes through screw thread
Hole coordinates with the left side of fixture block.
By the bar-shaped trough on the U-type groove notch end correspondence support arm of the fixed part, fixed by bolt and support arm and connected
Connect；The outer face of the fixture block is the curved end of indent.
Further, also including lower platen, fastening bolt and tapered pole；The lower end of the support arm is U-shaped connecting portion, U-shaped
Opening's edge horizontal plane extends；Through hole is threaded on the underarm of the U-shaped connecting portion to coordinate with the fastening bolt, and in the screw thread
The left and right sides of through hole is symmetrical arranged bellmouth；The tapered pole coordinates with the bellmouth, the taper of bellmouth and tapered pole
Consistent but axial length is less than tapered pole；Hardness of the material hardness of the tapered pole less than the U-shaped connecting portion；It is described to push
Plate is placed in the underarm upper end of the U-shaped connecting portion, and the correspondence tapped through hole is threaded blind hole and institute in the lower end of lower platen
State fastening bolt cooperation；The tapered pole is fixedly connected with the lower platen by screw.
Further, top board, the top board and the U-shaped company are also provided with the upper arm lower end of the U-shaped connecting portion
The upper arm of socket part is bolted to connection；Top board arc convex under being in；The upper arm lower surface of shown U-shaped connecting portion sets
Cell body is put, the left and right two ends of lower platen is contacted with the left and right wall body of cell body.
Further, left and right is set to the cell body for extending in the upper surface of the lower platen, it is square along left and right in cell body
Cloth sets the rib of " ﹥ " shape and makes the opening direction of the tip sensing U-shaped connecting portion of rib；The upper end of the rib is relative
The upper surface of cell body upwardly extends 0.5mm to 1mm；Rubber strip is set between adjacent two rib and makes the upper end of rubber strip and muscle
Bar upper end is concordant.
Further, T-shaped reinforcing plate or drum reinforcing plate are set in the lower platen, and wide end is faced down corresponding to spiral shell
Line blind hole upper end.
The beneficial effects of the invention are as follows：
By setting cover body structure at the determining deviation of shaft tower top one, can effectively prevent thunderbolt from acting directly on lightning conducter
On, effectively reduce caused by thunderstorm season is struck by lightning and stop disconnection fault, rate of breakdown is reduced, mitigate maintenance, investigation difficulty, it is use
Family electricity consumption provides stabilization and ensures, lifts power supply quality.
It is arranged to different form structures by by support arm, the present apparatus is fixedly mounted in electric pole or electric tower
On, the steadiness installed is ensured, place unnecessary secondary rectification.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation that support arm is connected with lid in the present invention；
Fig. 3 is the structural representation being arranged on when on electric pole of the invention；
Fig. 4 is the structural representation being arranged on when on the cross-arm of electric tower of the invention；
Fig. 5 is the upper end surface structure schematic diagram of lower platen in the present invention；
Fig. 6 is the transverse sectional view of lower platen in the present invention；
Fig. 7 be Fig. 6 in A-A to cross-sectional view；
In figure：1 support arm, 11U type connecting portions, 2 lids, 3 fixed parts, 4 fixture blocks, 5 lower platens, 51 tapered poles, 52 fastenings
Bolt, 53 ribs, 54T type reinforcing plates, 6 lower platens.
Specific embodiment
Technical scheme is obtained for ease of understanding is of the invention, its technology contents is described further with reference to accompanying drawing just below.Need
It is noted that used orientation description such as " on ", D score, "left", "right" simply for state facilitate, not necessarily formed
Limitation to involved technical scheme.
A kind of minefield lightning arrester as shown in Figure 1 and Figure 2.Including support arm 2 and lid 1.The lid 1 is fixed on institute
The top of support arm 2 is stated, the lower end of the support arm 2 is connected with shaft tower.Make the lid 1 apart from shaft tower top 80cm extremely
110cm, preferably 1m.
The lid 1 is set down in the arc and recess of indent.It is distributed on the top surface of the lid 1 and axis phase is set
To being facing perpendicularly to the inclined inclined hole in outside.To reduce destruction of the wind-force to the present apparatus.Preferably by the lower edge week of the lid 1
While be arranged to zigzag, thunder effect is drawn with strengthen lid 1.
Be by the present apparatus firmly, be stably installed on electric pole, as shown in figure 3, its also include fixed part 3 and fixture block 4.Institute
State and U-type groove is set on fixed part 3, set along the deep gouge in groove depth direction in the bottom surface of U-type groove, set on the front-rear side walls of deep gouge
Chute is set.The fixture block 4 is coordinated with the deep gouge by rail structure.In the screwed hole that the right-hand member of the fixed part 3 is set
Bolt is inside set, bolt coordinates through screwed hole with the right side of fixture block 4.
As shown in Figure 1, Figure 3, bar-shaped trough is set in the right flank lower end of the support arm 2, before and after the bar-shaped trough
The chute coordinated with the fixture block 4 is set on the wall of side.Set in the screwed hole that the left end correspondence bar-shaped trough of the support arm 2 is set
Bolt, bolt coordinates through screwed hole with the left side of fixture block 4.
By the bar-shaped trough on the U-type groove notch end correspondence support arm 2 of the fixed part 3, by the way that bolt is by fixed part 3 and props up
Brace 2 is fixedly connected.The outer face of the fixture block 4 is the curved end of indent.
By adjusting the bolt coordinated with the fixture block 4, the U-type groove of the relatively described fixed part 3 of the fixture block 4 is set to slide to the left
Move, the bar-shaped trough on the relatively described support arm 2 of the fixture block 4 is slid to the right, and the present apparatus is fixed on electric pole.Tighten
Afterwards, marine glue is filled in gap between the fixture block 4 and fixed part 3 and the cell body of support arm 2, reduces corrosiveness steady to installing
Qualitatively influence, improve and firm effect is installed, allow to undergo test for a long time.
Be by the present apparatus firmly, be stably installed on the cross-arm of electric tower, as shown in figure 4, also include lower platen 5, fastening
Bolt 52 and tapered pole 51.The lower end of the support arm 2 is U-shaped connecting portion 11, and the U-shaped opening's edge horizontal plane of U-shaped connecting portion 11 prolongs
Stretch.Through hole is threaded on the underarm of the U-shaped connecting portion 11 to coordinate with the fastening bolt 52, and in a left side for the tapped through hole
Right both sides are symmetrical arranged bellmouth.The tapered pole 51 coordinates with the bellmouth, and bellmouth is consistent with the taper of tapered pole 51
But axial length is less than tapered pole.The material hardness of the tapered pole 51 is so being incited somebody to action less than the hardness of the U-shaped connecting portion 11
When tapered pole 51 in bellmouth to pressing, tapered pole 51 can be deformed being squeezed into bellmouth, to prevent bellmouth
Port forms to tapered pole 51 and shears, and the port of bellmouth should be processed during processing, eliminates the cutting edge that processing is produced.It is described
Lower platen 5 is placed in the underarm upper end of the U-shaped connecting portion 11, and the correspondence tapped through hole is threaded in the lower end of lower platen 5
Blind hole coordinates with the fastening bolt 51.The tapered pole 51 is fixedly connected with the lower platen 5 by screw.
Rotational fastener bolt 52 promotes it to move and contacted with cross-arm on lower platen 5, and period can drive and shifted on tapered pole 51
Extruding in bellmouth, so as to ensure the stability installed.On the one hand, connection is not to be close to fixing bolt 52 and the contact of cross-arm and make
Face is formed by lower platen 5 to contact, contact area is big；On the other hand, tapered pole 51 can with the cooperation before U-shaped connecting portion 11
Fusion is formed, undergoes will not to produce after long-time external forces significant adverse to influence.
Top board 6, the top board 6 and the U-shaped connecting portion are also provided with the upper arm lower end of the U-shaped connecting portion 11
11 upper arm is bolted to connection.The arc convex under being in of the top board 6.The upper arm lower surface of shown U-shaped connecting portion 11
Cell body is set, and the left and right end of lower platen 5 is installed in cell body, the left and right two ends of lower platen 6 is contacted with the left and right wall body of cell body.
After installation, the vertical interval of the lower end arcwall face top opposed slot body end mouthful of lower platen 6 has at least ensured that 1mm and no more than 4mm.
The material hardness of top board 6 should be less than U-shaped connecting portion 11 and also have preferable ductility, it is ensured that stress is acted on
When there is larger deformation quantity, it can overcome cross-arm rough surface to the adverse effect of connection effect.
Certainly to prevent fastening bolt 52, tapered pole 51 to the active force of lower platen 5, lower platen 5 is caused to produce significantly
Deformation is bent downwardly, the rigidity of lower platen 5 is should ensure that.Concrete mode can take following means.
First, as shown in figure 5, the lower platen 5 upper surface set left and right to extend cell body, along a left side in cell body
Right shape is uniformly arranged the rib 53 of " ﹥ " shape and makes the opening direction of the tip sensing U-shaped connecting portion 11 of rib 53；It is described
The upper end of rib 53 upwardly extends 0.5mm to 1mm with respect to the upper surface of cell body.Between adjacent two rib 53 set rubber strip and
Make the upper end of rubber strip concordant with the upper end of rib 53.It is the rigidity for increasing lower platen 5 to set the one side of rib 53, prevents its stress
Deformation, (rib 53 is pressurized can have been deformed, muscle after deformation on the other hand to increase the vertical elastic force after lower platen 5 is contacted with cross-arm
Upper end of the upper end of bar 53 almost with lower platen 5 is concordant), increase left and right to frictional force.Rib 53 is arranged in cell body, energy
Enough gaps reduced when coordinating between lower platen 5 and cross-arm, after being particularly provided with rubber strip, it can overcome cross-arm surface thick
The rough adverse effect to connection effect, can make cooperation keep whole face to contact.
Second, as shown in Figure 6, Figure 7, setting T-shaped reinforcing plate 54 or drum reinforcing plate in the lower platen 5, and make T-shaped
The wide end of reinforcing plate 54 faces down corresponding to tapped blind hole upper end.
After top board 6 is used in combination with lower platen 5, the steadiness of installation obviously can increased.
In addition to the technical characteristic described in specification, the known technology of those skilled in the art is.
Claims (7)
1. a kind of minefield lightning arrester, it is characterized in that：Including support arm and lid；Arc and recess court of the lid in indent
Lower setting；The lid is fixed on the top of the support arm, and the support arm lower end is connected with shaft tower；The lid is apart from bar
Tower top end 80cm to 110cm；It is distributed on the top surface of the lid and axis opposing perpendicular planes inclined inclined hole laterally is set；Institute
The lower edge periphery for stating lid is arranged to zigzag；Also include fixed part and fixture block；U-type groove is set on the fixed part, in U-type groove
Bottom surface set along groove depth direction deep gouge, chute is set on the front-rear side walls of deep gouge；The fixture block passes through with the deep gouge
Rail structure coordinates；Bolt is set in the screwed hole that the right-hand member of the fixed part is set, bolt passes through the right side of screwed hole and fixture block
End face coordinates；Bar-shaped trough is set in the right flank lower end of the support arm, is set and institute on the front-rear side walls of the bar-shaped trough
State the chute of fixture block cooperation；Bolt is set in the screwed hole that the left end correspondence bar-shaped trough of the support arm is set, bolt passes through spiral shell
Pit coordinates with the left side of fixture block；By the bar-shaped trough on the U-type groove notch end correspondence support arm of the fixed part, by bolt
It is fixedly connected with support arm；The outer face of the fixture block is the curved end of indent.
2. minefield lightning arrester according to claim 1, it is characterized in that：
Also include lower platen, fastening bolt and tapered pole；
The lower end of the support arm is U-shaped connecting portion, and U-shaped opening's edge horizontal plane extends；
Through hole is threaded on the underarm of the U-shaped connecting portion to coordinate with the fastening bolt, and in the left and right of the tapped through hole
Both sides are symmetrical arranged bellmouth；
The tapered pole coordinates with the bellmouth, and bellmouth is consistent with the taper of tapered pole but axial length is less than tapered pole；
Hardness of the material hardness of the tapered pole less than the U-shaped connecting portion；
The lower platen is placed in the underarm upper end of the U-shaped connecting portion, and the correspondence tapped through hole is set in the lower end of lower platen
Tapped blind hole coordinates with the fastening bolt；
The tapered pole is fixedly connected with the lower platen by screw.
3. minefield lightning arrester according to claim 2, it is characterized in that：
Top board is also provided with the upper arm lower end of the U-shaped connecting portion, the top board leads to the upper arm of the U-shaped connecting portion
Bolt is crossed to be fixedly connected；
Top board arc convex under being in；
The upper arm lower surface of shown U-shaped connecting portion sets cell body, the left and right two ends of lower platen is contacted with the left and right wall body of cell body.
4. minefield lightning arrester according to claim 2, it is characterized in that：
Left and right is set to the cell body for extending in the upper surface of the lower platen, " ﹥ " shape is uniformly arranged along left and right is square in cell body
Rib and the tip of rib is pointed to the opening direction of the U-shaped connecting portion；
The upper end of the rib upwardly extends 0.5mm to 1mm with respect to the upper surface of cell body；
Rubber strip is set between adjacent two rib and makes the upper end of rubber strip concordant with rib upper end.
5. minefield lightning arrester according to claim 3, it is characterized in that：
Left and right is set to the cell body for extending in the upper surface of the lower platen, " ﹥ " shape is uniformly arranged along left and right is square in cell body
Rib and the tip of rib is pointed to the opening direction of the U-shaped connecting portion；
The upper end of the rib upwardly extends 0.5mm to 1mm with respect to the upper surface of cell body；
Rubber strip is set between adjacent two rib and makes the upper end of rubber strip concordant with rib upper end.
6. minefield lightning arrester according to claim 2, it is characterized in that：Set in the lower platen T-shaped reinforcing plate or
Drum reinforcing plate, and wide end is faced down corresponding to tapped blind hole upper end.
7. minefield lightning arrester according to claim 3, it is characterized in that：Set in the lower platen T-shaped reinforcing plate or
Drum reinforcing plate, and wide end is faced down corresponding to tapped blind hole upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737883.9A CN105262041B (en) | 2015-11-03 | 2015-11-03 | Minefield lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737883.9A CN105262041B (en) | 2015-11-03 | 2015-11-03 | Minefield lightning arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105262041A CN105262041A (en) | 2016-01-20 |
| CN105262041B true CN105262041B (en) | 2017-06-09 |
Family
ID=55101599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737883.9A Active CN105262041B (en) | 2015-11-03 | 2015-11-03 | Minefield lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105262041B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528226A (en) * | 2017-08-26 | 2017-12-29 | 南通鑫源电器制造有限公司 | A kind of lightning arrest outdoor transformer power distribution cabinet |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202034676U (en) * | 2011-05-18 | 2011-11-09 | 四川省迅弛工程技术有限公司 | Multifunctional lightning arrester |
| CN202872177U (en) * | 2012-07-16 | 2013-04-10 | 李景禄 | Direct lightning protective device for monitoring probe |
| CN202871975U (en) * | 2012-07-16 | 2013-04-10 | 李景禄 | Novel lightning protection device for antenna system |
| CN103066401A (en) * | 2013-01-07 | 2013-04-24 | 李景禄 | Direct lightning protection and ground connection method in inflammable and explosive places |
| JP6077307B2 (en) * | 2013-01-09 | 2017-02-08 | 中国電力株式会社 | Shading cover for suspended housing |
| CN203826907U (en) * | 2014-04-10 | 2014-09-10 | 国家电网公司 | Full-coverage overhead transmission line lightning protection apparatus |
| CN204046106U (en) * | 2014-09-23 | 2014-12-24 | 永固集团股份有限公司 | Strain clamp |
| CN205092552U (en) * | 2015-11-03 | 2016-03-16 | 国网山东济南市历城区供电公司 | Mine field lightning arrester |
-
2015
- 2015-11-03 CN CN201510737883.9A patent/CN105262041B/en active Active
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| CN105262041A (en) | 2016-01-20 |
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