CN204790134U - Insulating drop wire clip of type that discharges OPGW - Google Patents
Insulating drop wire clip of type that discharges OPGW Download PDFInfo
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- CN204790134U CN204790134U CN201520527305.8U CN201520527305U CN204790134U CN 204790134 U CN204790134 U CN 204790134U CN 201520527305 U CN201520527305 U CN 201520527305U CN 204790134 U CN204790134 U CN 204790134U
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Abstract
The utility model discloses an insulating drop wire clip of type that discharges OPGW is proposed, including composite insulator, composite insulator one end is provided with the plintlet, and the other end is provided with S die bed seat, the part that the composite insulator surface is close to S die bed seat is provided with the low tension side anchor clamps, the part that the composite insulator surface is close to the plintlet is provided with the high -pressure side anchor clamps, high -pressure side plate electrode one end is connected to the high -pressure side anchor clamps, be provided with the adjustable bolt that discharges on the high -pressure side plate electrode other end, low tension side plate electrode one end is connected to the low tension side anchor clamps, the low tension side plate electrode other end has bends, the adjustable bolt that discharges of inclined plane orientation that forms after bending, adjustable put the bolt can for high -pressure side plate electrode adjustment position, so that the adjustable bolt of putting can be close / keep away from the inclined plane that forms after the low tension side plate electrode is bent. The utility model provides an insulating drop wire clip of type that discharges OPGW has simple to operate, and the centre gripping is firm, and discharge gap is adjustable, and the area that discharges is big, the characteristics that can elongate electric arc rapidly, put off arc after discharging.
Description
Technical field
The utility model belongs to and relates to a kind of discharge-type OPGW insulated down lead clamp.
Background technology
Along with the fast development of electrical network at different levels, play an important role as in the OPGW optical cable electric system at home and abroad of lightning conducter and communication port dual-use function.Since China introduces the application of OPGW optical cable from 20th century the eighties, OPGW optical cable is adopt by tower earthing mode always.This mode causes huge line loss and is cause OPGW to suffer strands break one of the main reasons repeatedly.For this reason, in some current OPGW lightguide cable links, the mode of OPGW cable segment insulation is adopted to reduce line loss.In insulating segment circuit, strain clamp and suspension clamp place add the insulator with discharging gap, and when there being thunderbolt optical cable, discharging gap is breakdown, thus is laid down by lightning current.But in the circuit of actual motion, thunder-strike current can not discharge from strain insulator and pendency completely, and a part of lightning current will flow into connector box place along OPGW optical cable, cause connector box to puncture burn internal optical fiber beyond the insulating capacity of connector box.And distance connector box nearest be insulated down lead clamp, can only play clamping, fix optical cable, the effect of optical cable and tower insulation, can not play the effect of earial drainage, has had a strong impact on the safe operation of optical cable.
Utility model content
In order to address the deficiencies of the prior art and deficiency; the utility model embodiment provides a kind of discharge-type OPGW insulated down lead clamp; the insulation between optical cable and steel tower can not only to be played at ordinary times; and when there being thunderbolt optical cable; a part of thunder-strike current can be released; thus effectively protect connector box, ensure the safe operation of optical cable.Described technical scheme is as follows:
The utility model proposes a kind of discharge-type OPGW insulated down lead clamp, comprise composite insulator, described composite insulator one end is provided with plintlet, the other end is provided with S type base, described surface of composite insulator is provided with low-pressure side fixture near the part of S type base, described surface of composite insulator is provided with high-pressure side fixture near the part of plintlet, described high-pressure side fixture connects high voltage side electrode plate one end, the described high voltage side electrode plate other end is provided with adjustable electric discharge bolt, described low-pressure side fixture connects low-voltage side electrode plate one end, the described low-voltage side electrode plate other end has bending, the inclined-plane formed after described bending is towards adjustable electric discharge bolt, described adjustable bolt of putting can relative to described high voltage side electrode plate adjustment position, with enable described adjustable put bolt close/away from the inclined-plane formed after the bending of described low-voltage side electrode plate.
Preferential as technique scheme, described S shape base end is provided with two through holes, and described through hole is used for arranging Double ejection pin.
Preferential as technique scheme, described low-pressure side fixture and high-pressure side fixture adopt anchor ear type.
Preferential as technique scheme, described drop wire clip clamping plate are two M types.
Preferential as technique scheme, described adjustable electric discharge bolt is hemispherical dome structure towards low-voltage side electrode plate one end.
Preferential as technique scheme, described adjustable electric discharge bolt is perfect thread structure.
Preferential as technique scheme, is also provided with at least one bending part in the middle part of described low-voltage side electrode plate.Preferential as technique scheme, the plane formed after the bending of described low-voltage side electrode plate has the angle of inclination.
The utility model proposes discharge-type OPGW insulated down lead clamp, have easy for installation, firm grip, discharging gap is adjustable, and machining area is large, can the feature of elongating arc, blow-out rapidly after electric discharge.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the discharge-type OPGW insulated down lead clamp structural representation provided in the present embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
A kind of discharge-type OPGW insulated down lead clamp that the utility model proposes, comprise composite insulator, described composite insulator one end is provided with plintlet, the other end is provided with S type base, described surface of composite insulator is provided with low-pressure side fixture near the part of S type base, described surface of composite insulator is provided with high-pressure side fixture near the part of plintlet, described high-pressure side fixture connects high voltage side electrode plate one end, the described high voltage side electrode plate other end is provided with adjustable electric discharge bolt, described low-pressure side fixture connects low-voltage side electrode plate one end, the described low-voltage side electrode plate other end has bending, the inclined-plane formed after described bending is towards adjustable electric discharge bolt, described adjustable bolt of putting can relative to described high voltage side electrode plate adjustment position, with enable described adjustable put bolt close/away from the inclined-plane formed after the bending of described low-voltage side electrode plate, the plane formed after the bending of described low-voltage side electrode plate has the angle of inclination.
Described S shape base end is provided with two through holes, and described through hole is used for arranging Double ejection pin, and it has wider cleat angle scope, Double ejection pin structure, can firmly be clamped on angle steel tower.Described low-pressure side fixture and high-pressure side fixture adopt anchor ear type, and it has certain range of adjustment, have firmly holding capability to composite insulator two ends gold utensil.Described drop wire clip clamping plate are two M types, have the ability of clamping two optical cables.Described adjustable electric discharge bolt is hemispherical dome structure towards low-voltage side electrode plate one end, and it can well discharge to low-voltage side electrode plate.Meanwhile, the size of discharging gap can be regulated.Described adjustable electric discharge bolt is perfect thread structure., facilitate adjusting play.At least one bending part is also provided with, similar goat's horn type, energy elongating arc after electric discharge, rapid blow-out in the middle part of described low-voltage side electrode plate.
Described S type base 1, firmly can be fixed on angle steel tower by drop wire clip; Low-pressure side fixture 2, described low-pressure side fixture is hot galvanizing piece, and it can firmly be clamped in insulator hardware end.Insulator 3, described insulator is compound substance, plays the effect of insulation; High-pressure side fixture 4, described high-pressure side fixture is hot galvanizing piece, and it can firmly be clamped in insulator hardware end; Plintlet 5, described drop wire clip clamping plate are hot galvanizing piece, and it clamps optical cable; High voltage side electrode plate 6, described high voltage side electrode plate is hot galvanizing piece steel part, lightning current can be caused electric discharge bolt end; Adjustable electric discharge bolt 7, described adjustable electric discharge bolt end discharges to low-voltage side electrode plate, and meanwhile, it is adjustable structure, according to the size of designing requirement adjustment discharging gap; Low-voltage side electrode plate 8, described low-voltage side electrode plate is hot galvanizing piece steel part, has the effect of electric discharge, blow-out.
A kind of discharge-type OPGW insulated down lead clamp that the utility model proposes, during installation, is first bolted on angle steel tower by S type base 1 by Double ejection pin, then adjustment connects gold utensil, plintlet 5 is opened to suitable position, optical cable is installed in drop wire clip clamping plate 5, then fastening nut.Adjust high and low pressure side fixture 4,2 respectively, high voltage side electrode plate 6 and low-voltage side electrode plate vertical ground are alignd.Then adjustable electric discharge bolt 7 is adjusted, after making discharging gap reach designing requirement, fastening electric discharge bolt.When being contained on steel tower, be generally arranged on the position apart from connector box about 2 meters.The both sides of connector box respectively install 1.
The utility model proposes discharge-type OPGW insulated down lead clamp, have easy for installation, firm grip, discharging gap is adjustable, and machining area is large, can the feature of elongating arc, blow-out rapidly after electric discharge.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a discharge-type OPGW insulated down lead clamp, comprise composite insulator, it is characterized in that, described composite insulator one end is provided with plintlet, the other end is provided with S type base, described surface of composite insulator is provided with low-pressure side fixture near the part of S type base, described surface of composite insulator is provided with high-pressure side fixture near the part of plintlet, described high-pressure side fixture connects high voltage side electrode plate one end, the described high voltage side electrode plate other end is provided with adjustable electric discharge bolt, described low-pressure side fixture connects low-voltage side electrode plate one end, the described low-voltage side electrode plate other end has bending, the inclined-plane formed after described bending is towards adjustable electric discharge bolt, described adjustable bolt of putting can relative to described high voltage side electrode plate adjustment position, with enable described adjustable put bolt close/away from the inclined-plane formed after the bending of described low-voltage side electrode plate.
2. discharge-type OPGW insulated down lead clamp according to claim 1, is characterized in that, described S shape base end is provided with two through holes, and described through hole is used for arranging Double ejection pin.
3. discharge-type OPGW insulated down lead clamp according to claim 1, is characterized in that, described low-pressure side fixture and high-pressure side fixture adopt anchor ear type.
4. discharge-type OPGW insulated down lead clamp according to claim 1, is characterized in that, described drop wire clip clamping plate are two M types.
5. discharge-type OPGW insulated down lead clamp according to claim 1, is characterized in that, described adjustable electric discharge bolt is hemispherical dome structure towards low-voltage side electrode plate one end.
6. discharge-type OPGW insulated down lead clamp according to claim 1, is characterized in that, described adjustable electric discharge bolt is perfect thread structure.
7. discharge-type OPGW insulated down lead clamp according to claim 1, is characterized in that, is also provided with at least one bending part in the middle part of described low-voltage side electrode plate.
8. discharge-type OPGW insulated down lead clamp according to claim 1, is characterized in that, the plane formed after the bending of described low-voltage side electrode plate has the angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527305.8U CN204790134U (en) | 2015-07-21 | 2015-07-21 | Insulating drop wire clip of type that discharges OPGW |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527305.8U CN204790134U (en) | 2015-07-21 | 2015-07-21 | Insulating drop wire clip of type that discharges OPGW |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204790134U true CN204790134U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520527305.8U Active CN204790134U (en) | 2015-07-21 | 2015-07-21 | Insulating drop wire clip of type that discharges OPGW |
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| Country | Link |
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| CN (1) | CN204790134U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846415A (en) * | 2016-05-09 | 2016-08-10 | 国家电网公司 | Extra-high-voltage transformer station optical cable terminal voltage-limiting apparatus |
| CN107196264A (en) * | 2017-07-17 | 2017-09-22 | 江苏祥源电气设备有限公司 | A kind of 220kV cross arm insulators |
| CN107706870A (en) * | 2017-01-20 | 2018-02-16 | 国家电网公司 | Cable fitting and installation method more than a kind of double cable OPGW of transformer station's single pole |
-
2015
- 2015-07-21 CN CN201520527305.8U patent/CN204790134U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846415A (en) * | 2016-05-09 | 2016-08-10 | 国家电网公司 | Extra-high-voltage transformer station optical cable terminal voltage-limiting apparatus |
| CN107706870A (en) * | 2017-01-20 | 2018-02-16 | 国家电网公司 | Cable fitting and installation method more than a kind of double cable OPGW of transformer station's single pole |
| CN107196264A (en) * | 2017-07-17 | 2017-09-22 | 江苏祥源电气设备有限公司 | A kind of 220kV cross arm insulators |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |