CN201038697Y - Overhead transmission line surround thunder-proof lightning arrester - Google Patents
Overhead transmission line surround thunder-proof lightning arrester Download PDFInfo
- Publication number
- CN201038697Y CN201038697Y CNU2007201202646U CN200720120264U CN201038697Y CN 201038697 Y CN201038697 Y CN 201038697Y CN U2007201202646 U CNU2007201202646 U CN U2007201202646U CN 200720120264 U CN200720120264 U CN 200720120264U CN 201038697 Y CN201038697 Y CN 201038697Y
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- China
- Prior art keywords
- ground clamp
- ground
- ground wire
- transmission line
- spring
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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.)
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Abstract
The utility model relates to an overhead transmission line round lighting proof lightning rod, comprising a ground clamp and a lightning lead and receiving sense needle; wherein the lightning lead and receiving sense needle is positioned on the ground clamp; the ground clamp contains a ground clamp stand and a ground clamp cover; the upper part of the ground clamp stand has an opening with a moveable T shape pulling rod; the moveable T shape pulling rod is sleeved with a spring; the ground clamp cover has a groove opposite to the opening on the ground clamp stand; the T shape head of the moveable T shape pulling rod is positioned in the groove; and the ground clamp stand and the ground clamp cover is fixedly connected through the spring. The drive source of the utility model comes from the spring, and the yield strength of the spring can meet the needs of the frequent vibration of the overhead ground wire that the deformation quantity is less than 1 percent after at least 5 years and remain the grip of the overhead ground wire for a long term. Thus the utility model is wind resistant, vibration resistant, ice-cover resistant, safe and reliable.
Description
Technical field:
The utility model belongs to power system transmission line shocking preventing technology field, it is the lightning rod of anti-mine in a kind of overhead transmission line, the utility model product is installed on the overhead ground wire of overhead transmission line, can prevent effectively that the thunderbolt lead from causing the transmission line lightning stroke tripping operation.
Background technology:
According to power department statistics, thunderbolt is the major failure type of transmission line, wherein can be up to 60% because of the ratio of lightning stroke trip the line is busy road tripping operation.
Along with the extensive employing of GPS thunder and lightning location observation system, people have had understanding more clearly to the transmission line lightning stroke fault, and a large amount of lightning stroke trip faults all is to be caused by less relatively lightning current.Amplitude of lightning current is little under the malfunction, and generally about 15～30kA, this amplitude of lightning current does not reach the lightning protection level of counterattack far away.Theory analysis thinks that under less relatively lightning current state, it is the main cause of 220kV and the tripping operation of above transmission line lightning stroke that lightning conducter shielding inefficacy causes the thunderbolt lead.
According to the ruuning situation analysis of transmission line, the tripping operation that suitable number of times is arranged is owing to the thunderbolt lead causes.Circuit operating experience shows both at home and abroad, in the lightning stroke trip accident of ultra-high-tension power transmission line, the accident that causes was occupied quite great proportion because the lightning conducter shielding is lost efficacy, and particularly to mountain route and the higher circuit of shaft tower, prevented that the shielding accident from remaining a problem that does not solve fully.And the existing shielding lightning rod that prevents is because its reasons in structure, is easy to generate slippage with the junction of overhead ground wire, and installs inconveniently, even some circuit can't be installed at all.
Summary of the invention:
In order to solve the existing anti-lightning strike weak effect of anti-shock arrester, easy slippage and inconvenient problem to be installed, the purpose of this utility model is to provide the anti-thunder and lightning shielding side pin in a kind of overhead transmission line, the utility model can closely be fixed on the overhead ground wire, thereby prevents that effectively the thunderbolt lead from causing the transmission line lightning stroke tripping operation.
For achieving the above object, the utility model is mainly by the following technical solutions:
A kind of overhead transmission line is prevented thunder and lightning shielding side pin, the thunder that draws that includes ground clamp and be fixed on the ground clamp connects sudden strain of a muscle side pin, wherein said ground clamp comprises ground wire holder and ground clamp lid, described ground wire holder top is provided with perforate, be provided with movable "T"-shaped pull bar in the perforate, be nested with on the described "T"-shaped pull bar body of rod and be connected with spring; Described ground clamp covers and is provided with and the corresponding draw-in groove of ground wire holder top perforate, and " T " head of above-mentioned "T"-shaped pull bar is arranged in draw-in groove; Ground wire holder and ground clamp lid are fixed together by "T"-shaped pull bar and spring.
Also be provided with the through hole that is used for fixing ground wire between described ground wire holder and the ground clamp lid.
Described spring bottom is fixedly connected on the ground wire holder, and the top is fixedly connected on the body of rod of "T"-shaped pull bar.
Described ground clamp covers and draws thunder and connects pin connection between the sudden strain of a muscle side pin.
Described ground wire holder also is provided with the slotted eye that is used to install stockbridge damper.
The utility model is fixed on ground wire between ground wire holder and the ground clamp lid, and it is the two is fixedly connected by "T"-shaped pull bar, simultaneously with spring action that "T"-shaped pull bar is connected under, ground wire holder and ground clamp lid can closely be fixed, thereby make and draw thunder and connect and dodge the side pin and can closely be fixed on the ground wire and can not slide and come off, and the utility model is simple in structure, and cost is lower, installs easily.
Description of drawings:
Fig. 1 is the utility model structural representation.
Identifier declaration among the figure: ground wire holder 1, ground clamp lid 2, pin 3, draw thunder and connect and dodge side pin 4, "T"-shaped pull bar 5, packing ring 6, nut 7, spring 8, clamp nut 9, holding screw 10, draw-in groove 11, slotted eye 12, ground wire folder hole 13.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, the utility model is the anti-thunder and lightning shielding side pin of a kind of overhead transmission line, the thunder that draws that includes ground clamp and be fixed on the ground clamp connects sudden strain of a muscle side pin 4, wherein said ground clamp comprises ground wire holder 1 and ground clamp lid 2, described ground wire holder 1 top is provided with perforate, be provided with movable "T"-shaped pull bar 5 in the perforate, be nested with on described "T"-shaped pull bar 5 bodies of rod and be connected with spring 8; Described ground clamp lid 2 is provided with and the corresponding draw-in groove 11 of ground wire holder 1 top perforate, and " T " head of above-mentioned "T"-shaped pull bar 5 is arranged in draw-in groove 11; Ground wire holder 1 and ground clamp lid 2 is fixed together by "T"-shaped pull bar 5 and spring 8.
Wherein, fixing with the spring 8 that is enclosed within on "T"-shaped pull bar 5 bodies of rod between ground wire holder 1 and the ground clamp lid 2 by "T"-shaped pull bar 5, here the lower end of spring 8 is by nut 7, packing ring 6 and clamp nut 9 are fixed on the bottom of ground wire holder 1, spring 8 upper ends then are fixed on "T"-shaped pull bar 5 body of rod tops, flexibly connect between "T"-shaped pull bar 5 lower ends and the ground wire holder 1, the upper end is a "T"-shaped head, the perforate that this "T"-shaped head passes ground wire holder 1 top, and be placed on the ground clamp lid 2 in the draw-in groove 11, draw-in groove 11 is " ten " font, when "T"-shaped pull bar 5 revolves when turning 90 degrees, to drive spring 8 rotates, thereby formation pulling force, "T"-shaped pull bar 5 is drop-down, can ground wire holder 1 and ground clamp lid 2 is closely fixing under this tension, this moment, the two can clamp the ground wire that is clipped in the ground wire folder hole 13, thereby made ground wire be unlikely to landing.
Drawing thunder in the utility model connects and dodges side pin 4 and fixedly connected with ground clamp with pin 3 by holding screw 10; and and be fixed on that the ground wire in the ground wire folder hole 13 contacts between ground wire holder 1 and the ground clamp lid 2; when thunderstorm hour takes place; draw thunder and connect and dodge 4 on side pin the static that produce are led away by the ground wire that is attached thereto, thus the effect of opening the protection transmission line.
In addition, the utility model also is provided with slotted eye 12 on the ground wire holder, this slotted eye 12 is mainly used in the installation stockbridge damper, because overhead transmission line can produce when running into bad weather such as strong wind and rock, draw the operate as normal that thunder connects sudden strain of a muscle side pin thereby can influence, when running into such situation, can effectively reduce vibrations and connect the influence of dodging the side pin behind the installation stockbridge damper drawing thunder.
The utility model is installed and can be divided into outlet installation and not outlet installation, when outlet is installed, at first opens the ground clamp lid, selectes the ground line position that needs installation and buckles the folder lid, then the pull bar dextrorotation is turn 90 degrees, and the ground wire clamping is got final product; When not outlet is installed, at first the anti-thunder and lightning shielding side pin of overhead transmission line is pulled to the installation site with insulation rope, erecting tools is pulled get final product then.
More than the anti-thunder and lightning shielding side pin in a kind of overhead transmission line described in the utility model is described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. overhead transmission line anti-mine lightning rod, the thunder that draws that includes ground clamp and be fixed on the ground clamp connects sudden strain of a muscle side pin (4), it is characterized in that: described ground clamp comprises ground wire holder (1) and ground clamp lid (2), described ground wire holder (1) top is provided with perforate, be provided with movable "T"-shaped pull bar (5) in the perforate, be nested with on described "T"-shaped pull bar (5) body of rod and be connected with spring (8); Described ground clamp lid (2) is provided with the draw-in groove (11) corresponding with ground wire holder (1) top perforate, and " T " head of above-mentioned "T"-shaped pull bar (5) is arranged in draw-in groove (11); Ground wire holder (1) and ground clamp lid (2) are fixed together by "T"-shaped pull bar (5) and spring (8).
2. overhead transmission line anti-mine lightning rod according to claim 1 is characterized in that: also be provided with the through hole that is used for fixing ground wire between described ground wire holder (1) and the ground clamp lid (2).
3. overhead transmission line anti-mine lightning rod according to claim 1 is characterized in that: described spring (8) bottom is fixedly connected on the ground wire holder (1), and the top is fixedly connected on the body of rod of "T"-shaped pull bar (5).
4. overhead transmission line anti-mine lightning rod according to claim 1 is characterized in that: described ground clamp covers (2) and draws thunder and connects pin connection between the sudden strain of a muscle side pin (4).
5. overhead transmission line anti-mine lightning rod according to claim 1 is characterized in that: described ground wire holder (1) also is provided with the slotted eye (12) that is used to install stockbridge damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201202646U CN201038697Y (en) | 2007-05-24 | 2007-05-24 | Overhead transmission line surround thunder-proof lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201202646U CN201038697Y (en) | 2007-05-24 | 2007-05-24 | Overhead transmission line surround thunder-proof lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201038697Y true CN201038697Y (en) | 2008-03-19 |
Family
ID=39211221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201202646U Ceased CN201038697Y (en) | 2007-05-24 | 2007-05-24 | Overhead transmission line surround thunder-proof lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201038697Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938979A (en) * | 2016-06-22 | 2016-09-14 | 国网山东省电力公司电力科学研究院 | Lightning rod for shielding failure of overhead transmission line and method |
-
2007
- 2007-05-24 CN CNU2007201202646U patent/CN201038697Y/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938979A (en) * | 2016-06-22 | 2016-09-14 | 国网山东省电力公司电力科学研究院 | Lightning rod for shielding failure of overhead transmission line and method |
| CN105938979B (en) * | 2016-06-22 | 2017-06-20 | 国网山东省电力公司电力科学研究院 | A kind of anti-shock arrester for overhead and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20100621 Decision number of declaring invalidation: 15000 Granted publication date: 20080319 Decision date of declaring invalidation: 20100613 Decision number of declaring invalidation: 14959 Granted publication date: 20080319 |