CN102386563A - Multi-needle-tip sidewise lightning rod used for transmission line rod tower - Google Patents
Multi-needle-tip sidewise lightning rod used for transmission line rod tower Download PDFInfo
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- CN102386563A CN102386563A CN2011103254059A CN201110325405A CN102386563A CN 102386563 A CN102386563 A CN 102386563A CN 2011103254059 A CN2011103254059 A CN 2011103254059A CN 201110325405 A CN201110325405 A CN 201110325405A CN 102386563 A CN102386563 A CN 102386563A
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- Prior art keywords
- rod
- main
- needle
- branch
- tip
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 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 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a multi-needle-tip sidewise lightning rod used for a transmission line rod tower, which comprises an installing wing and a main supporting rod, wherein one end of the main supporting rod is fixed on the installing wing, and the other end of the main supporting rod is provided with a main needle tip; branched supporting rods are respectively and vertically welded on two sides of the main supporting rod, close to the root part of the main needle tip; the branched supporting rods are parallel to a transmission line; branched needle tips are respectively arranged at the end parts of the branched supporting rods on two sides; and the installing wing is fixed on a cross arm of the rod tower; and one end of the main supporting rod, provided with the main needle tip, is hung outside the cross arm. The needle tip in the vertical line direction is kept, two needle tips facing to the line direction are additionally arranged, therefore, high frequency lightning current from the side surface of the transmission line can be effectively absorbed, and shielding failure on a further line can be shielded. The multi-needle-tip sidewise lightning rod has stronger protective capability on the line far away from the rod tower, is installed conveniently, is stable and reliable, and has a long service life.
Description
Technical field
The present invention relates to a kind of lightning protection device that is used on the overhead transmission line, be specifically related to a kind of spininess point side direction lightning rod that is used for electric power line pole tower.
Background technology
Thunderbolt is the major reason that causes the overhead transmission line tripping operation, and direct lightning strike can be divided into counterattack and shielding usually.For back flashover, the earth resistance of shaft tower is the principal element that influences lightning withstand level, so can reach the purpose that improves transmission line counterattack lightning withstand level through reducing earth resistance usually.And for thunderbolt, its major influence factors is the lightning conducter shielding angle size of circuit, and shielding angle is more little usually, and the risk of shielding failure trip-out rate of circuit is more little.But for the circuit that has built up, it is very difficult reducing shielding angle through change tower head structure.Still lack effective shielding lightning protection measures at present, thereby cause the shielding trip-out rate of the higher mountain area transmission line of mountain area transmission line, especially electric pressure high, become the major hidden danger of electric power netting safe running.
The side direction lightning rod is that a kind of level is installed in the metal rod carefully on the electric power line pole tower cross-arm, and it is terminal that it is fixed on the cross-arm of shaft tower with angle steel usually, stretches out cross-arm perpendicular to line direction, is used for guardwire to exempt from the shielding of thunder and lightning.The side direction lightning rod utilizes the thunder effect of drawing of self will can hit the around shocking introducing shaft tower of lead originally, thereby transfers the device of strikeing back thunder to based on thunder and lightning guide principle.Because the amplitude of around shocking is less usually, so can not work the mischief after transferring the counterattack thunder to shaft tower and circuit.But conventional side direction lightning rod needle point is towards the circuit outside, and the limited length of shank, so the shielding protection range on its road along the line direction is merely near a bit of circuit of shaft tower.For distance overhead wire highway section far away slightly, conventional side direction lightning rod is difficult to play effective shielding protective effect.
Summary of the invention
In order to overcome existing side direction lightning rod shielding guard space problem of smaller, the object of the present invention is to provide a kind of spininess point side direction lightning rod that is used for electric power line pole tower, realize the lifting of guard space aspect, to reach the purpose of improving shielding protection effect.
In order to solve the problems of the technologies described above; The present invention realizes through following technical scheme: a kind of spininess point side direction lightning rod that is used for electric power line pole tower comprises the wing and main support rod is installed that an end of main support rod is fixed on to be installed on the wing; The other end of main support rod is provided with main needle point; Main support rod both sides near main needle point root are respectively equipped with branch's support bar, and branch's support bar is parallel with power transmission line, and the end of branch's support bar of both sides is equipped with branch's needle point; Be fixed on above the cross-arm of shaft tower the wing is installed, main support rod is suspended on outside the end face of cross-arm at an end that is provided with main needle point.
Preferably, the distance between the tip of said main needle point and the cross-arm end face is 2～5m; Distance between the main needle point tip on said two branch's support bars and the main support rod is 0.3～0.7m; The tip of described two branch's needle points and the distance between the main support rod are 1～2m.
Preferably, the said installation wing is provided with the ground lead connecting hole, and the ground lead connecting hole is connected with ground lead.
Preferably, the described installation wing, main support rod, main needle point, two branch's support bars and two branch's needle surfaces all are covered with the copper layer.
Preferably, said branch support bar is welded on the main support rod.
Compared with prior art; Advantage of the present invention is: because circuit is the multiple section of thunderbolt accident near the shaft tower; Therefore in the end of shaft tower cross-arm installation side to lightning rod; Can reduce the shielding accident that occurs on the overhead transmission line effectively, the lightning conducter shielding angle that need not to adjust circuit can reach the purpose that reduces circuit shielding trip-out rate; The present invention has set up two needle points towards line direction in the needle point that keeps the horizontal path direction, thus not only can effectively absorb high frequency lightning current from the transmission line side, can also be to shielding than the shielding that takes place on the circuit of distant place.According to thunder and lightning guide principle; Though towards the distance of the needle point of line direction and crossover location 1～2m only; But can increase the protection range of side direction lightning rod effectively, improve the shielding protection effect of side direction lightning rod more significantly, thereby reduce the shielding trip-out rate of circuit the both sides circuit; The side direction lightning rod is provided with the installation wing that is used for fixing, and pass the location hole of installing on the wing through several bolts the side direction lightning rod is fixedly secured on the crosspiece of shaft tower, so reliable installation, easy construction; Side direction lightning rod integral surface is coated with the copper layer, is difficult for wearing out, and therefore has the advantage of long service life.
Description of drawings
Fig. 1 is a plan structure sketch map of the present invention.
Fig. 2 is that the application example of the present invention on the double back transmission line shaft tower executed sketch map.
Embodiment
As shown in Figure 1, comprise the wing 1 and main support rod 4 be installed that an end of main support rod 4 is fixed on to be installed on the wing 1; The other end of main support rod 4 is provided with main needle point 6; Main needle point 6 is used to absorb the lightning current near the circuit side surface direction shaft tower, near main support rod 4 both sides of main needle point 6 roots respectively vertical welding be connected to branch's support bar 5, branch's support bar 5 is parallel with power transmission line; Branch's support bar 5 has the effect of the lightning conductor protection distance that is increased on the line direction; The end of branch's support bar 5 of both sides is equipped with branch's needle point 7, and branch's needle point 7 is used to absorb the around shocking that takes place on the direction of road along the line, strengthens the side direction lightning rod to the thunder effect of drawing of circuit at a distance.The wing 1 is installed is fixed on above the cross-arm 8 of shaft tower, main support rod 4 is suspended on outside the end face of cross-arm 8 at an end that is provided with main needle point 6.
The both sides of the described installation wing 1 are provided with six identical location holes 2 that are uniformly distributed with, and the wing 1 are installed through passing being bolted on the cross-arm 8 of location hole 2, guarantee that lightning rod can not slide.
Distance L between the tip of said main needle point 6 and the cross-arm end face is 2～5m, has both guaranteed enough thunder effects of drawing, and guarantees can not cause because of shank weight is excessive to install unstable again; Between main needle point 6 tips on said two branch's support bars 5 and the main support rod 4 is 0.3～0.7m apart from d; Distance B between the tip of described two branch's needle points 7 and the main support rod 4 is 1～2m.
The described installation wing 1 is provided with ground lead connecting hole 3, and ground lead connecting hole 3 is connected with ground lead 9, thereby the high energy lightning current that lightning rod absorbs is released into ground through ground lead 9.
The described installation wing 1, main support rod 4, main needle point 6, two branch's struts 5 and two branch's prong 7 surfaces all are covered with the copper layer.
Described main support rod 4 is the round steel of diameter 16-20mm.
As shown in Figure 2, the present invention can protect the negative angle of Square wire under the side direction lightning rod through the shielding realization of lightning rod needle point under the prerequisite that does not change the lightning conducter position, significantly reduces the shielding trip-out rate.Because the present invention has increased branch's needle point 7 of road along the line direction, makes the more conventional side direction lightning rod of the present invention have greater advantages aspect the shielding guard space, can guard space shaft tower overhead power transmission road more at a distance.Copper plating treatment is all adopted on surface of the present invention, and long service life is easy installation and reliable, has the certain economic advantage.
The above is merely specific embodiment of the present invention, but technical characterictic of the present invention is not limited thereto, and any those skilled in the art is in the field of the invention, and the variation of being done or modify all is encompassed among the claim of the present invention.
Claims (5)
1. spininess point side direction lightning rod that is used for electric power line pole tower; Comprise the wing (1) and main support rod (4) are installed; One end of main support rod (4) is fixed on to be installed on the wing (1), and the other end of main support rod (4) is provided with main needle point (6), it is characterized in that: main support rod (4) both sides near main needle point (6) root are respectively equipped with branch's support bar (5); Branch's support bar (5) is parallel with power transmission line; The end of branch's support bar (5) of both sides is equipped with branch's needle point (7), will install above the cross-arm (8) that the wing (1) is fixed on shaft tower, and main support rod (4) is suspended on outside the end face of cross-arm (8) at an end that is provided with main needle point (6).
2. a kind of spininess point side direction lightning rod that is used for electric power line pole tower according to claim 1, it is characterized in that: the distance between the tip of said main needle point (6) and cross-arm (8) end face is 2～5m; Distance between main needle point (6) tip on said two branch's support bars (5) and the main support rod (4) is 0.3～0.7m; Distance between the tip of described two branch's needle points (7) and the main support rod (4) is 1～2m.
3. a kind of spininess point side direction lightning rod that is used for electric power line pole tower according to claim 1, it is characterized in that: the said installation wing (1) is provided with ground lead connecting hole (3), and ground lead connecting hole (3) is connected with ground lead (9).
4. a kind of spininess point side direction lightning rod that is used for electric power line pole tower according to claim 1, it is characterized in that: the described installation wing (1), main support rod (4), main needle point (6), two branch's support bars (5) and two branch's needle points (7) surface all are covered with the copper layer.
5. like each described a kind of spininess point side direction lightning rod that is used for electric power line pole tower in the claim 1 to 4, it is characterized in that: said branch support bar (5) is welded on the main support rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103254059A CN102386563A (en) | 2011-10-24 | 2011-10-24 | Multi-needle-tip sidewise lightning rod used for transmission line rod tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103254059A CN102386563A (en) | 2011-10-24 | 2011-10-24 | Multi-needle-tip sidewise lightning rod used for transmission line rod tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102386563A true CN102386563A (en) | 2012-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103254059A Pending CN102386563A (en) | 2011-10-24 | 2011-10-24 | Multi-needle-tip sidewise lightning rod used for transmission line rod tower |
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| CN (1) | CN102386563A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067532A (en) * | 1992-06-27 | 1992-12-30 | 武汉高压研究所电力技术开发公司 | Compensation-type arrester using conductor array |
| CN2171165Y (en) * | 1993-10-26 | 1994-07-06 | 薛东华 | Lightning arrester |
| CN2539333Y (en) * | 2001-09-17 | 2003-03-05 | 郭建国 | Active ion switch lightning arrestor |
| CN101504018A (en) * | 2009-03-13 | 2009-08-12 | 湖州生力液压有限公司 | Lifting and steering hydraulic integrated valve with manual convenience |
| CN201504018U (en) * | 2009-09-24 | 2010-06-09 | 李景禄 | Lateral lightning rod for power transmission line |
| CN201985436U (en) * | 2010-12-31 | 2011-09-21 | 国电联合动力技术有限公司 | Lightning rod |
-
2011
- 2011-10-24 CN CN2011103254059A patent/CN102386563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067532A (en) * | 1992-06-27 | 1992-12-30 | 武汉高压研究所电力技术开发公司 | Compensation-type arrester using conductor array |
| CN2171165Y (en) * | 1993-10-26 | 1994-07-06 | 薛东华 | Lightning arrester |
| CN2539333Y (en) * | 2001-09-17 | 2003-03-05 | 郭建国 | Active ion switch lightning arrestor |
| CN101504018A (en) * | 2009-03-13 | 2009-08-12 | 湖州生力液压有限公司 | Lifting and steering hydraulic integrated valve with manual convenience |
| CN201504018U (en) * | 2009-09-24 | 2010-06-09 | 李景禄 | Lateral lightning rod for power transmission line |
| CN201985436U (en) * | 2010-12-31 | 2011-09-21 | 国电联合动力技术有限公司 | Lightning rod |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121107 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 323000 LISHUI, ZHEJIANG PROVINCE TO: 323020 LISHUI, ZHEJIANG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20121107 Address after: 323020 No. 699 Middle East Road, Lishui, Zhejiang Applicant after: Lishui Power Bureau Applicant after: State Grid Corporation of China Address before: 323000 Middle East Road, Zhejiang, Lishui, No. 699 Applicant before: Lishui Power Bureau |
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20120321 |