CN207010194U - Line flashover protector - Google Patents

Line flashover protector Download PDF

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Publication number
CN207010194U
CN207010194U CN201720892025.6U CN201720892025U CN207010194U CN 207010194 U CN207010194 U CN 207010194U CN 201720892025 U CN201720892025 U CN 201720892025U CN 207010194 U CN207010194 U CN 207010194U
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CN
China
Prior art keywords
cross
protection device
device body
wire
arc protection
Prior art date
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.)
Expired - Fee Related
Application number
CN201720892025.6U
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Chinese (zh)
Inventor
杜旭凯
张永峰
王艳贞
郑继业
王辉
殷会丹
代磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Henan Electric Power Company Xiangcheng County Power Supply Co
Original Assignee
State Grid Henan Electric Power Company Xiangcheng County Power Supply Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Henan Electric Power Company Xiangcheng County Power Supply Co filed Critical State Grid Henan Electric Power Company Xiangcheng County Power Supply Co
Priority to CN201720892025.6U priority Critical patent/CN207010194U/en
Application granted granted Critical
Publication of CN207010194U publication Critical patent/CN207010194U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Line flashover protector, including cross-arm, insulator, arc protection device body, wire drainage system, adjusting means, insulator is fixedly mounted on cross-arm top, the upper end of insulator is connected with high-voltage line, wire drainage system includes clip and wire drainage ball, clip is arranged on high-voltage line, wire drainage ball is fixedly mounted on the bottom of clip, arc protection device body is located at the bottom of wire drainage system, connected between arc protection device body and cross-arm by wire, wire makes arc protection device body and cross-arm short circuit, adjusting means is located at the bottom of arc protection device body, adjusting means includes exterior bowl, inner drum, cross-bar, montant and two elastic telescoping bars.The utility model can easily adjust the distance between wire drainage ball on arc protection device body and high-voltage line, and the utility model installation is stable.

Description

Line flashover protector
Technical field
Line flashover protector is the utility model is related to, specifically a kind of line flashover protector.
Background technology
The insulating capacity of common distribution line is relatively low, and harm is easily caused when running into thunderbolt, and stronger thunderbolt is easy Transmission line of electricity is caused to break or trip, when running into thunderbolt, flashover occurs in the insulator for installing high-voltage line.Flashover is When referring to the gas or breakdown liquid dielectric around solid insulator, along the phenomenon of solid insulator surface-discharge.It discharges When voltage be referred to as flashover voltage.After generation flashover, interelectrode voltage quickly falls to zero or close to zero.In flashover passage Spark or electric arc make insulating surface hot-spot cause to carbonize, damage surface insulation, harm it is larger, what distribution line can be taken Lightning protection measures are very limited, can not typically use the methods of setting up lightning conducter, coupling ground wire, most zinc oxide surge arresters are protected Shield.But arrester is still only applicable to disengaging line side and the protection of controller switching equipment of distribution line, it is impossible to a large amount of on power distribution network Installation, because quantity is more if whole distribution line is respectively mounted arrester, therefore necessarily cause cost height, investment big, operation It is difficult in maintenance, and arrester can form new trouble point again in damage in itself, influence the reliability service of power distribution network, utilize flashover It is a preferable method that protector, which carries out protection to high-voltage line power transmission network, and the installation of traditional arc protection device is most to be used Bolt is fastened, and is difficult to accurate regulation arc protection device and the wire drainage ball on wire using the installation method Distance, bolt is naked to be exposed on the external, and easily occurs corrosion after long-time, causes arc protection device to be difficult to dismantle, it has not been convenient to work Personnel carry out maintenance work.
Utility model content
The utility model provides a kind of line flashover protector, the defects of to solve in the prior art.
The utility model is achieved by the following technical programs:
Line flashover protector, including cross-arm, insulator, arc protection device body, wire drainage system, adjusting means, Insulator is fixedly mounted on cross-arm top, and the upper end of insulator is connected with high-voltage line, and wire drainage system includes clip and wire Drainage ball, clip are arranged on high-voltage line, and wire drainage ball is fixedly mounted on the bottom of clip, and arc protection device body, which is located at, leads The bottom of line drainage system, connected between arc protection device body and cross-arm by wire, wire make arc protection device body with Cross-arm short circuit, adjusting means are located at the bottom of arc protection device body, and adjusting means includes exterior bowl, inner drum, cross-bar, perpendicular Bar and two elastic telescoping bars, exterior bowl is opening down, and inner drum is opening up, and exterior bowl is sleeved on the outside of inner drum, outside Staving is provided with internal thread, and inner drum is provided with external screw thread, and inner drum coordinates with exterior bowl screw thread, and the upper end of montant in exterior bowl with pushing up Portion is fixedly connected, and montant lower surface opens up cross recess, and the bottom surface of inner drum opens up cross bore, and cross-bar is located inside cross bore, Cross-bar can move up and down along cross bore, and two elastic telescoping bars are located at the both sides of cross-bar, the upper end of elastic telescoping bar respectively It is articulated and connected with the sidepiece of cross-bar, the lower end of elastic telescoping bar and inner drum inner bottom part are articulated and connected arc protection device body Lower end is fixedly connected with the upper end of exterior bowl, is fixedly connected between inner drum lower end and cross-arm by support.
Draw ring is fixedly mounted in line flashover protector as described above, the lower end of described cross-bar.
Line flashover protector as described above, discharge counter is provided with described wire.
Line flashover protector as described above, described arc protection device body are provided with screw rod, wire and screw rod phase Even.
Line flashover protector as described above, between described wire drainage ball and arc protection device body upper end away from From H=140mm-180mm.
The utility model has the advantages that:The utility model can be adjusted easily on arc protection device body and high-voltage line The distance between wire drainage ball, and the utility model installation is stable.When the utility model is installed, wire is drained filled first To put and be arranged on the suitable position of high-voltage line, inner drum is fixedly mounted by support, and cross-bar is pulled downward on along cross bore, Its upper end is separated with cross recess, release the limitation that is rotated to exterior bowl of cross-bar, now rotate exterior bowl, due to exterior bowl and Inner drum is that screw thread coordinates, and the height of exterior bowl can accurately be adjusted by rotating exterior bowl, and arc protection device body moves, The distance of arc protection device body upper end and wire drainage ball can be accurately adjusted, the design can meet the defeated of different voltages The use of electric wire, after the height for adjusting arc protection device body, unclamp cross-bar, under the promotion of elastic telescoping bar, cross Bar moves up, and the upper end of cross-bar is inserted into inside cross recess after finely tuning exterior bowl, passes through matching somebody with somebody for cross-bar and cross recess The fixation rotated to exterior bowl is closed, prevents it from rotating, now the height of arc protection device body is fixed, this practicality New entirety is fixed, and is replaced traditional bolt to adjust by adjusting means and is fixed, even if running into bad weather, the utility model Also be not in the situation of loosening, ensure the reliability of arc protection device body normal work.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;Fig. 2 is the enlarged drawing along the sectional view of Fig. 1 line A-A;Fig. 3 is figure The enlarged drawing of 1 B direction views.
Reference:The wire of 1 cross-arm, 2 insulator, 3 41 clip of arc protection device 4 wire drainage system of body 42 draws Flow the cross recess 8 of 6 wire of ball 5 adjusting means, 51 exterior bowl, 52 inner drum, 53 cross-bar, 54 montant, 55 elastic telescoping bar 7 The screw rod of 11 discharge counter of cross bore 9 support, 10 draw ring 12.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.
Line flashover protector, as illustrated, including cross-arm 1, insulator 2, arc protection device body 3, wire drainage dress 4, adjusting means 5 is put, insulator 2 is fixedly mounted on the top of cross-arm 1, and the upper end of insulator 2 is connected with high-voltage line, wire drainage dress Putting 4 includes clip 41 and wire drainage ball 42, and clip 41 is arranged on high-voltage line, and wire drainage ball 42 is fixedly mounted on clip 41 Bottom, arc protection device body 3 is located at the bottom of wire drainage system 4, passes through between arc protection device body 3 and cross-arm 1 Wire 6 connects, and wire 6 makes arc protection device body 3 and the short circuit of cross-arm 1, and adjusting means 5 is located under arc protection device body 3 Portion, adjusting means 5 include exterior bowl 51, inner drum 52, cross-bar 53, montant 54 and two elastic telescoping bars 55, exterior bowl 51 Opening down, inner drum 52 is opening up, and exterior bowl 51 is sleeved on the outside of inner drum 52, and exterior bowl 51 is provided with internal thread, interior Staving 52 is provided with external screw thread, and inner drum 52 coordinates with the screw thread of exterior bowl 51, and upper end and the inner top of exterior bowl 51 of montant 54 are fixed Connection, the lower surface of montant 54 open up cross recess 7, and the bottom surface of inner drum 52 opens up cross bore 8, and cross-bar 53 is located in cross bore 8 Portion, cross-bar 53 can move up and down along cross bore 8, and two elastic telescoping bars 55 are located at the both sides of cross-bar 53 respectively, and elastic force is stretched The upper end of contracting bar 55 and the sidepiece of cross-bar 53 are articulated and connected, lower end and the be hinged company of the inner bottom part of inner drum 52 of elastic telescoping bar 55 The lower end for connecing arc protection device body 3 is fixedly connected with the upper end of exterior bowl 51, passes through branch between the lower end of inner drum 52 and cross-arm 1 Frame 9 is fixedly connected.The utility model can easily adjust wire drainage ball 42 on arc protection device body 3 and high-voltage line it Between distance, and the utility model installation is stable.When the utility model is installed, wire drainage system 4 is arranged on height first The suitable position of line ball, inner drum 52 are fixedly mounted by support 9, and cross-bar 53 is pulled downward on along cross bore 8, makes it Upper end separates with cross recess 7, releases the limitation that cross-bar 53 rotates to exterior bowl 51, exterior bowl 51 is now rotated, due to outer barrel Body 51 is that screw thread coordinates with inner drum 52, and the height of exterior bowl 51, arc protection device can accurately be adjusted by rotating exterior bowl 51 Body 3 moves, and can accurately adjust the distance of the upper end of arc protection device body 3 and wire drainage ball 42, the design can To meet the use of the power transmission line of different voltages, after the height for adjusting arc protection device body 3, cross-bar 53 is unclamped, in bullet Under the promotion of power expansion link 55, cross-bar 53 moves up, and the upper end of cross-bar 53 is inserted into cross after finely tuning exterior bowl 51 Inside groove 7, the fixation that is rotated by the cooperation of cross-bar 53 and cross recess 7 to exterior bowl 51 prevents it from rotating, now The height of arc protection device body 3 is fixed, and the utility model is integrally fixed, and traditional spiral shell is replaced by adjusting means 5 Bolt regulation is fixed, even if running into bad weather, the utility model is also not in the situation of loosening, ensures arc protection device body The reliability of 3 normal works.
Specifically, draw ring 10 is fixedly mounted in the lower end of the cross-bar 53 described in the present embodiment.In order to of the present utility model Installation is stable, it is necessary to assure the stabilization that cross-bar 53 coordinates with montant 54, the elastic force of elastic telescoping bar 55 is larger, and two elastic force are stretched The power upward to cross-bar 53 of contracting bar 55 is larger, and draw ring 10 gives one impetus of staff, convenient that cross-bar 53 is left behind.
Specifically, it is provided with discharge counter 11 on wire 6 described in the present embodiment.Discharge counter 11 can be to thunderbolt Quantity is recorded, and facilitates thunderbolt frequency of the staff to different regions to carry out research record, so as to the frequency according to thunderbolt Optimum allocation of the present utility model is carried out to different regions.
Further, the arc protection device body 3 described in the present embodiment is provided with screw rod 12, and wire 6 is connected with screw rod 12. By the cooperation of screw rod 12 and wire 6, more easily wire 6 and arc protection device body 3 can be attached, the company of raising The reliability connect, and facilitate the replacing of wire 6.
Further, the distance between the wire drainage ball 42 described in the present embodiment and the upper end of arc protection device body 3 H =140mm-180mm.Wire drainage ball 42 required for the transmission line of electricity of different voltages and the distance of the upper end of arc protection device body 3 It is different, the design can meet the needs of the transmission line of electricity of different voltages.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that: It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc. With replacement;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology The spirit and scope of scheme.

Claims (5)

1. line flashover protector, it is characterised in that:Including cross-arm(1), insulator(2), arc protection device body(3), wire Drainage system(4), adjusting means(5), insulator(2)It is fixedly mounted on cross-arm(1)Top, insulator(2)Upper end and high pressure Line is connected, wire drainage system(4)Including clip(41)With wire drainage ball(42), clip(41)On high-voltage line, lead Line drainage ball(42)It is fixedly mounted on clip(41)Bottom, arc protection device body(3)Positioned at wire drainage system(4)Under Portion, arc protection device body(3)With cross-arm(1)Between pass through wire(6)Connection, wire(6)Make arc protection device body(3)With Cross-arm(1)Short circuit, adjusting means(5)Positioned at arc protection device body(3)Bottom, adjusting means(5)Including exterior bowl(51)、 Inner drum(52), cross-bar(53), montant(54)With two elastic telescoping bars(55), exterior bowl(51)It is opening down, inner drum (52)It is opening up, exterior bowl(51)It is sleeved on inner drum(52)Outside, exterior bowl(51)Provided with internal thread, inner drum(52) Provided with external screw thread, inner drum(52)With exterior bowl(51)Screw thread coordinates, montant(54)Upper end and exterior bowl(51)Inner top is consolidated Fixed connection, montant(54)Lower surface opens up cross recess(7), inner drum(52)Bottom surface open up cross bore(8), cross-bar(53)Position In cross bore(8)Inside, cross-bar(53)Can be along cross bore(8)Move up and down, two elastic telescoping bars(55)It is located at ten respectively Word bar(53)Both sides, elastic telescoping bar(55)Upper end and cross-bar(53)Sidepiece be articulated and connected, elastic telescoping bar(55) Lower end and inner drum(52)Inner bottom part is articulated and connected arc protection device body(3)Lower end and exterior bowl(51)Upper end fix Connection, inner drum(52)Lower end and cross-arm(1)Between pass through support(9)It is fixedly connected.
2. line flashover protector according to claim 1, it is characterised in that:Described cross-bar(53)Lower end fix Draw ring is installed(10).
3. line flashover protector according to claim 1, it is characterised in that:Described wire(6)On be provided with electric discharge Counter(11).
4. line flashover protector according to claim 1, it is characterised in that:Described arc protection device body(3)On Provided with screw rod(12), wire(6)With screw rod(12)It is connected.
5. line flashover protector according to claim 1, it is characterised in that:Described wire drainage ball(42)With flashover Protector body(3)The distance between upper end H=140mm-180mm.
CN201720892025.6U 2017-07-21 2017-07-21 Line flashover protector Expired - Fee Related CN207010194U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720892025.6U CN207010194U (en) 2017-07-21 2017-07-21 Line flashover protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720892025.6U CN207010194U (en) 2017-07-21 2017-07-21 Line flashover protector

Publications (1)

Publication Number Publication Date
CN207010194U true CN207010194U (en) 2018-02-13

Family

ID=61455586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720892025.6U Expired - Fee Related CN207010194U (en) 2017-07-21 2017-07-21 Line flashover protector

Country Status (1)

Country Link
CN (1) CN207010194U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180213

Termination date: 20180721

CF01 Termination of patent right due to non-payment of annual fee