CN201345261Y - Overhead insulated conductor lightning protection hardware - Google Patents
Overhead insulated conductor lightning protection hardware Download PDFInfo
- Publication number
- CN201345261Y CN201345261Y CNU2009200097726U CN200920009772U CN201345261Y CN 201345261 Y CN201345261 Y CN 201345261Y CN U2009200097726 U CNU2009200097726 U CN U2009200097726U CN 200920009772 U CN200920009772 U CN 200920009772U CN 201345261 Y CN201345261 Y CN 201345261Y
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- arm
- lightning protection
- gold utensil
- guide wire
- puncture
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Abstract
An overhead insulated conductor lightning protection hardware comprises a penetrating electrode which comprises a first main body and a second main body, wherein a penetrating groove for insulated conductors to penetrate through is left between the first main body and the second main body, the first main body and the second main body are provided with connected fastening pieces, and the fastening pieces lead the first main body and the second main body to clamp and fix the insulated conductors, an arc-shaped arm and an arcing arm which are convexly arranged are arranged on the first main body, and the length of the arcing arm is bigger than that of a starting arc arm. The overhead insulated conductor lightning protection hardware further comprises an insulating jacket which is sleeved outside the penetrating electrode, wherein openings of the exposed starting arc arm and the arcing arm are formed on the insulating jacket, and a grounding electrode which is a metal electric conductor and is oppositely arranged with the starting arc arm of the penetrating electrode. The overhead insulated conductor lightning protection hardware has reasonable structure and design, which can be suitable for various overhead insulated conductors to prevent lightening, and the installation and fixation are convenient, do not need to allocate according to the specifications and the types of insulators, and meanwhile, the overhead insulated conductor lightning protection hardware has excellent lighting protection effect and long service span.
Description
Technical field
The utility model belongs to the lightning-protection engineering of high-tension overhead line, is specifically related to a kind of lightning protection gold utensil that is used for suspended insulated guide wire.
Background technology
Along with upgrading urban and rural power grids, the continuous increase of 10KV insulated circuit, but transmission line more is difficult to bear direct lightning strike or induction thunder, and the lightning-caused breaking accident constantly takes place.When lightning impulse high-voltage conducting wires voltage produces the flashover discharge, lead is blown.
According to the lightning-caused breaking mechanism of 10KV suspended insulated guide wire and the moving law of power frequency arc, facts have proved, the insulated conductor lightning-caused breaking is because sufficiently high induction thunder of amplitude or direct lightning strike action of high voltage cause wire insulation in insulated conductor, insulator breakdown and flashover, breakdown point on the wire insulation is a pin hole, the electric arc that continues can only burn in pin hole, because 10KV line insulation is relatively weaker, thunderbolt often causes two-phase or three-phase conducting wire flashover over the ground, be easy to cause alternate flashover electric arc, and electric arc arc root temperature is very high to concentrate in together burning again, will be by neat blowing at extremely short time inside conductor.
Existing lightning protection device is numerous, and the overwhelming majority cooperates installation with insulator, and the model of insulator and specification, and structure is varied, has caused the installation difficulty of lightning protection device.
The utility model content
The utility model provides a kind of reasonable in design, can be applicable to that various suspended insulated guide wires carry out the suspended insulated guide wire lightning protection gold utensil of lightning protection, it installs and fixes conveniently, need not be configured according to the specifications and models of insulator, lightning protection effect is good simultaneously, long service life.
The technical scheme that the utility model adopted is as follows:
A kind of suspended insulated guide wire lightning protection gold utensil is characterized in that described lightning protection gold utensil comprises:
Penetrating electrodes, comprise first body and second body, leave the puncture fluting that passes for insulated conductor between described first body and second body, described first body is provided with second body and is connected securing member, this securing member makes first and second bodies that insulated conductor is fixedly clamped, described first body is provided with and protrudes striking arm and the arcing arm that is provided with, and the length of described arcing arm is greater than the length of striking arm;
Insulating coating is set in the outside of described penetrating electrodes, is formed with the opening of exposed striking arm and arcing arm on the described insulating coating;
Grounding electrode is a metallic conductor, is oppositely arranged with the striking arm of described penetrating electrodes.
Concretely, first body of described penetrating electrodes and second body are electric conductor, and described connection securing member comprises two groups of bolts, and described two groups of bolts are located in the both sides of described puncture fluting respectively and are connected fastening with second body first body.
Be provided with the puncture projection in the groove face of described puncture fluting, the puncture projection distributes and is arranged in the groove face of puncture fluting.
The axis of striking arm and arcing arm and described puncture fluting is in same plane on described first body.
Angle between described striking arm and the arcing arm is the obtuse angle.
But described insulating coating comprises the insulation body of a folding, and described insulation body is provided with two sleeves that pass for insulated conductors, described two sleeves lay respectively at penetrating electrodes the puncture fluting before
The insulation body of described insulating coating has the inner chamber that holds described second body, and the opening and closing place of described insulation body is provided with along the striking arm and the arcing arm both sides of described first body.
The end of described arcing arm is chondritic.
The opening part of described insulating coating is provided with elastic lock, and described elastic lock locks after with insulating coating suit penetrating electrodes.
The end of described grounding electrode is provided with a ball bumps.
The penetrating electrodes of this suspended insulated guide wire lightning protection gold utensil is when surpassing regulation numerical value when lightning impulse voltage; can and grounding electrode between produce the flashover discharge; the general protection insulated conductor avoids blowing, and grounding electrode can be installed on the shaft tower cross-arm of insulator bottom, forms low-field electrode.Penetrating electrodes can be vertically mounted on the load side of insulator, insulated conductor is snapped in the puncture fluting, puncture can be pierced through the insulating barrier of insulated conductor, make the striking arm towards insulator then, the arcing arm is insulator dorsad, be about L=110mm ± 10mm by the distance of adjusting between lightning protection gold utensil and the grounding electrode, symmetry is tightened two fastening bolts, with firm being fixed on the insulated conductor of this penetrating electrodes.
The striking arm of penetrating electrodes can utilize the space of high-voltage breakdown itself and grounding electrode, and under the high pressure effect, arc space forms very strong electric field, has strengthened the ionization of cathode emission electronics and arc space, makes the arc space discharge.
The beneficial effects of the utility model are, the reasonable in design of this suspended insulated guide wire lightning protection gold utensil can be applicable to that various suspended insulated guide wires carry out lightning protection, it installs and fixes conveniently, need not be configured according to the specifications and models of insulator, lightning protection effect is good simultaneously, long service life.The insulator that can effectively prevent various models causes short circuit, insulator to damage under lightning impulse and the generation of broken string accident.
Description of drawings
Fig. 1 is the perspective view of penetrating electrodes in the utility model embodiment;
Fig. 2 is the perspective view of insulating coating in the utility model embodiment;
Fig. 3 is the application structure schematic diagram in the utility model embodiment.
Embodiment
As depicted in figs. 1 and 2, this suspended insulated guide wire lightning protection gold utensil mainly comprises:
Penetrating electrodes 10, have first body 15 and second body 16, first body 15 and 16 of second bodies leave the puncture fluting 17 that passes for insulated conductor, are provided with puncture projection 18 in the groove face of puncture fluting, and the puncture projection distributes and is arranged in the groove face of puncture fluting 17.First body 15 and second body 16 are provided with two groups of bolts and are connected 13,14, two groups of bolts of securing member and are located in the both sides of fluting respectively and are connected fastening with second body first body.These two groups of bolts make first and second bodies that insulated conductor is fixedly clamped, and first body is provided with and protrudes striking arm 12 and the arcing arm 11 that is provided with, and the length of arcing arm 11 is greater than the length of striking arm 12; The axis of striking arm and arcing arm and described fluting is in same plane on first body.Extension angle between striking arm and the arcing arm is about 120 degree, and the end of arcing arm 11 is chondritic.
Insulating coating 20 is set in the outside of penetrating electrodes 10, is formed with the opening of exposed striking arm and arcing arm on the insulating coating 20; But the insulation body 24 of insulating coating is an opening-closing structure, and for the top that is set in penetrating electrodes, the insulation body is provided with two 25,26, two sleeves of sleeve that pass for insulated conductor and lays respectively at the rear and front end that penetrating electrodes is slotted.The insulation body 24 of insulating coating has the inner chamber 23 that holds described second body, and the opening and closing place 21 of insulation body is provided with along the striking arm and the arcing arm both sides of described first body.The insulation body can lock with crossing elastic lock 27,28 after the suit penetrating electrodes is provided with.
As shown in Figure 3, this suspended insulated guide wire lightning protection gold utensil also comprises a grounding electrode 30, is a metallic conductor, is oppositely arranged with the striking arm 21 of penetrating electrodes 10, and the end of grounding electrode is provided with a ball bumps 31.When installing, penetrating electrodes 10 is vertically mounted on the load side of insulator 40, insulated conductor 50 is snapped in the puncture fluting, make striking arm 12 towards insulator, arcing arm 11 is insulator 40 dorsad, then insulating coating 20 is located on the penetrating electrodes, and the striking arm and the arcing arm back of the body are exposed, the distance of adjusting between lightning protection gold utensil and the grounding electrode is about L=110mm ± 10mm, and symmetry is tightened two fastening bolts.
Unclamp the nut on line load side insulator 40 cross-arms, the opening of grounding electrode 30 inserted between insulator bottom and the cross-arm, with the ball system discharge radian of grounding electrode upwards be positioned at lead under, the nut of tightening then on the cross-arm of insulator bottom gets final product.
Claims (10)
1. suspended insulated guide wire lightning protection gold utensil is characterized in that described lightning protection gold utensil comprises:
Penetrating electrodes, comprise first body and second body, leave the puncture fluting that passes for insulated conductor between described first body and second body, described first body is provided with second body and is connected securing member, this securing member makes first and second bodies that insulated conductor is fixedly clamped, described first body is provided with and protrudes striking arm and the arcing arm that is provided with, and the length of described arcing arm is greater than the length of striking arm;
Insulating coating is set in the outside of described penetrating electrodes, is formed with the opening of exposed striking arm and arcing arm on the described insulating coating;
Grounding electrode is a metallic conductor, is oppositely arranged with the striking arm of described penetrating electrodes.
2. suspended insulated guide wire lightning protection gold utensil according to claim 1, first body and second body that it is characterized in that described penetrating electrodes are electric conductor, described connection securing member comprises two groups of bolts, and described two groups of bolts are located in the both sides of described puncture fluting respectively and are connected fastening with second body first body.
3. suspended insulated guide wire lightning protection gold utensil according to claim 1 is characterized in that being provided with the puncture projection in the groove face of described puncture fluting, and the puncture projection distributes and is arranged in the groove face of puncture fluting.
4. suspended insulated guide wire lightning protection gold utensil according to claim 1, the axis that it is characterized in that striking arm and arcing arm and described puncture fluting on described first body is in same plane.
5. suspended insulated guide wire lightning protection gold utensil according to claim 1 is characterized in that the angle between described striking arm and the arcing arm is the obtuse angle.
6. suspended insulated guide wire lightning protection gold utensil according to claim 1, it is characterized in that but described insulating coating comprises the insulation body of a folding, described insulation body is provided with two sleeves that supply insulated conductor to pass, and described two sleeves lay respectively at the rear and front end of the puncture fluting of penetrating electrodes.
7. suspended insulated guide wire lightning protection gold utensil according to claim 6, the insulation body that it is characterized in that described insulating coating has the inner chamber that holds described second body, and the opening and closing place of described insulation body is provided with along the striking arm and the arcing arm both sides of described first body.
8. suspended insulated guide wire lightning protection gold utensil according to claim 1 is characterized in that the end of described arcing arm is chondritic.
9. suspended insulated guide wire lightning protection gold utensil according to claim 1 is characterized in that the opening part of described insulating coating is provided with elastic lock, and described elastic lock locks after with insulating coating suit penetrating electrodes.
10. suspended insulated guide wire lightning protection gold utensil according to claim 1 is characterized in that the end of described grounding electrode is provided with a ball bumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200097726U CN201345261Y (en) | 2009-02-19 | 2009-02-19 | Overhead insulated conductor lightning protection hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200097726U CN201345261Y (en) | 2009-02-19 | 2009-02-19 | Overhead insulated conductor lightning protection hardware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345261Y true CN201345261Y (en) | 2009-11-11 |
Family
ID=41276846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200097726U Expired - Fee Related CN201345261Y (en) | 2009-02-19 | 2009-02-19 | Overhead insulated conductor lightning protection hardware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345261Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022751A (en) * | 2012-12-27 | 2013-04-03 | 广州番禺电缆集团有限公司 | Grounding cable clamp |
| CN103956227A (en) * | 2014-04-10 | 2014-07-30 | 国家电网公司 | Pressing plate and insulator adaptive anti-thunder device |
-
2009
- 2009-02-19 CN CNU2009200097726U patent/CN201345261Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022751A (en) * | 2012-12-27 | 2013-04-03 | 广州番禺电缆集团有限公司 | Grounding cable clamp |
| CN103956227A (en) * | 2014-04-10 | 2014-07-30 | 国家电网公司 | Pressing plate and insulator adaptive anti-thunder device |
| CN103956227B (en) * | 2014-04-10 | 2016-06-29 | 国家电网公司 | Pressing plate insulator adaptive type thunder resisting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20100219 |