CN206922426U - A kind of overhead line overvoltage protection device - Google Patents
A kind of overhead line overvoltage protection device Download PDFInfo
- Publication number
- CN206922426U CN206922426U CN201720863666.9U CN201720863666U CN206922426U CN 206922426 U CN206922426 U CN 206922426U CN 201720863666 U CN201720863666 U CN 201720863666U CN 206922426 U CN206922426 U CN 206922426U
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- China
- Prior art keywords
- bird
- mould
- wire
- bar
- insulator
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Abstract
It the utility model is related to power Transmission technical field,More particularly to a kind of overhead line overvoltage protection device,Including wire,Anti- bird mould,Anticollision device, collision-prevention device,Insulator,Supporting plate,Lightning arrester body,Drainage bar,Puncture preventing arc wire clamp and discharging gap,Anti- bird mould is arranged on wire,Anti- bird mould includes acupuncture,Spill interlayer,Fixed support and the first fix bar,Anti- bird mould is divided into upper casing and lower casing,Upper casing and lower casing are bolted to connection,Upper casing upper surface is provided with acupuncture,Lower casing lower surface is provided with the first fix bar,Spill interlayer is arranged in anti-bird mould,The utility model has good protection device,It is effectively prevented perch of the birds on wire and destructive insulator is collided,The fastening effect of anti-bird mould causes wire from the influence of wind-engaging pendulum and sleety weather simultaneously,So as to cause discharging gap unstable,With very strong practicality.
Description
Technical field
It the utility model is related to power Transmission technical field, and in particular to a kind of overhead line overvoltage protection device.
Background technology
The lightning surge amplitude of 10kV overhead distributions is high, and discharge time is short, and the insulation water of 10k V distribution lines
Flat low, lightning surge can make insulator that flashover occur, and power frequency continued flow is formed on lightning stroke flashover passage makes circuit thunder occur
Hit tripping operation and line-outage contingency.The main reason for causing lightning fault is to build arc on lightning stroke flashover passage to form power frequency continued flow, is made
Into metallicity disconnecting failure, the temperature of arc root is very high, in a short time can blow wire, even bare conductor, if logical
The electric current crossed is very big, can also blow wire.
China 10kV overhead transmission lines lightning protection at present, using composite insulation cross arm, puncture arc-preventing metal utensil, lightning protection pillar
Insulator and zero-clearance zinc oxide lightning arrester and the lightning protection device such as zero-clearance zinc oxide lightning arrester with series connection the air gap, but by
Still there is problem in actual moving process in there is deficiency, these lightning protection devices on mounting structure.Such as the patent No.
A kind of overhead transmission line overvoltage protection device mentioned in CN201320134744.3, discharged by zinc oxide surge arrester and striking
Pole forms, although by setting and the T-shaped electric discharge cross bar of discharge lever, avoids the influence of wire wind-engaging pendulum and sleet and causes
Discharging gap is unstable, but also limit discharging gap simultaneously, and guiding discharge gap can not follow different situations to be adjusted；
A kind of overvoltage anti-lightening protector mentioned in patent No. CN201120176987.4, including the wire provided with insulating barrier, insulation
Son and lightning arrester body, although being provided with elongate aperture on support member so that device can adjust discharge gap distance in time,
But due to being influenceed by wind pendulum and sleet, wire is pliable so that discharging gap is unstable, so as to damage.
Utility model content
In view of the shortcomings of the prior art, the utility model discloses a kind of overhead line overvoltage protection device, for solving to put
Ensure the stabilization of discharging gap while electric gap can not be adjusted at any time, it is impossible to effective to prevent birds collision insulator and cause
The problem of insulator is damaged so as to cause flashover to burn insulator, and discharging gap can not be finely adjusted.
Concrete technical scheme is as follows：
A kind of overhead line overvoltage protection device, including it is wire, anti-bird mould, anticollision device, collision-prevention device, insulator, supporting plate, lightning-arrest
Device body, drainage bar, puncture preventing arc wire clamp and discharging gap, the anti-bird mould are arranged on the wire, the anti-bird mould
Tool includes acupuncture, spill interlayer, fixed support and the first fix bar, and the anti-bird mould is divided into upper casing and lower casing, it is described on
Shell and lower casing are bolted to connection, and the upper casing upper surface is provided with the acupuncture, and the lower casing lower surface is set
The first fix bar is stated, the spill interlayer is arranged in the anti-bird mould, and the fixed support is respectively arranged at the upper casing
With the lower casing inner surface, described fixed support one end in the upper casing is fixedly connected with upper casing, and the other end is fixedly connected described
Spill interlayer, described fixed support one end in the lower casing are fixedly connected with lower casing, and the other end is fixedly connected with the spill interlayer,
The anticollision device, collision-prevention device includes the second fix bar, anti-collision net, connecting plate and screw, and second fix bar is bolted to connection
In first fix bar, the anti-collision net is arranged in second fix bar and passes through second fix bar, described
Connecting plate is respectively arranged at the both ends of the anti-collision net, and several screws, two companies are provided with the connecting plate
Fishplate bar is fixedly connected by bolt through the screw, and the upper end of the insulator passes through the anti-bird mould and the wire phase
Connection, the supporting plate is arranged on the lower end of the insulator and the insulator is bolted to connection, the arrester
Body is bolted on the right-hand member of the supporting plate, and the lightning arrester body upper end is provided with the drainage bar, described to draw
Flow post includes rotating shaft and electric discharge cross bar, and the rotating shaft is arranged on the bending place of the drainage bar, and the electric discharge cross bar is arranged on institute
The top of drainage bar is stated, the puncture preventing arc wire clamp electrically connects through the anti-bird mould with the wire, the puncture preventing arc
Wire clamp sets the elongated end of the oriented electric discharge cross bar extension, is provided between the elongated end and the electric discharge cross bar between the electric discharge
Gap；
Preferably, the wire outer cover is provided with insulating barrier, and the anti-bird mould and the anticollision device, collision-prevention device are by insulation material
Material is made；
Preferably, the screw is transversely arranged on the connecting plate and spaced set；
Preferably, the right-hand member traversing section of the supporting plate offers elongate aperture；
Preferably, the rotating shaft is made of an electrically conducting material.
Beneficial effect：
The anti-bird mould of the utility model is tightened together upper casing with lower casing by bolt, and internal spill interlayer is clamped and led
Line, firm effect is served to wire, even if being influenceed by wind pendulum and sleety weather change, inner lead there will not be curved
Qu Xianxiang, so that discharging gap is unstable, while the acupuncture on anti-bird mould sets and causes bird not have foothold, very well
Serve bird repellent effect, prevent the feather of bird from falling on insulator, produce flashover, destroy insulator；Anti-collision net is set
Put and avoid bird to the shock of insulator and damage insulator, while by setting bolt in the screw of anti-collision net upper junction plate
Position, come reach regulation anti-collision net diameter, to adapt to the insulator of different model size, so as to play at utmost
Protective effect；Elongate aperture is provided with supporting plate so that arrester position can be adjusted by the restraint location of bolt, from
And adjust discharging gap, while can by rotate the angle of drainage bar be finely adjusted section so that discharging gap reach most preferably away from
From so that over-pressed discharge effect reaches optimal.
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 only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1：A kind of overhead line overvoltage protection device dimensional structure diagram；
Fig. 2：A kind of anti-bird mould of overhead line overvoltage protection device and anticollision device, collision-prevention device connection diagram；
Fig. 3：A kind of anti-bird mould inside structural representation of overhead line overvoltage protection device；
Fig. 4：A kind of overhead line overvoltage protection device anti-collision net front view；
Fig. 5：A kind of overhead line overvoltage protection device drainage bar structural representation.
Reference is as follows：1st, wire, 2, anti-bird mould, 201, acupuncture, 202, spill interlayer, 203, fixed support,
204th, the first fix bar, 3, anticollision device, collision-prevention device, the 301, second fix bar, 302, anti-collision net, 303, connecting plate, 304, screw, 4, absolutely
Edge, 5, supporting plate, 6, lightning arrester body, 7, drainage bar, 701, rotating shaft, 702, electric discharge cross bar, 8, puncture preventing arc wire clamp,
801st, elongated end, 9, discharging gap.
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.
With reference to Fig. 2,3,4,5, referring to Fig. 1：A kind of overhead line overvoltage protection device, including wire 1, be arranged on wire 1
Anti- bird mould 2, anti-bird mould 2 include acupuncture 201, spill interlayer 202, the fix bar 204 of fixed support 203 and first, prevent
Bird mould 2 divides for upper casing and lower casing, upper casing and lower casing is bolted to connection, is arranged on upper casing upper surface acupuncture 201, sets
The first fix bar 204 in lower casing lower surface, the spill interlayer 202 being arranged in anti-bird mould 2, be respectively arranged at upper casing and
One end of fixed support 203 in the fixed support 203 of lower casing inner surface, upper casing be fixedly connected the upper casing other end be fixedly connected it is recessed
One end of fixed support 203 in clevis layer 202, lower casing is fixedly connected with the lower casing other end and is fixedly connected with spill interlayer 202, anticollision dress
Putting 3 includes the second fix bar 301, anti-collision net 302, connecting plate 303 and screw 304, is bolted to connection and is fixed first
The second fix bar 301 on bar 204, be arranged in the second fix bar 301 and the anti-collision net 302 through the second fix bar 301, point
304, two connecting plates of several screws for be not arranged at the connecting plate 303 at the both ends of anti-collision net 302, being arranged on connecting plate 303
303 are passed through the insulator 4 that screw 304 is fixedly connected, upper end is connected through anti-bird mould 2 with wire 1 by bolt, are arranged on
Supporting plate 5 that the lower end of insulator 4 is bolted to connection with insulator 4, it is bolted on keeping away for the right-hand member of supporting plate 5
Thunder device body 6, the drainage bar 7 for being arranged on the upper end of lightning arrester body 6, drainage bar 7 include rotating shaft 701 and electric discharge cross bar 702, set
Rotating shaft 701 in the bending place of drainage bar 7, the electric discharge cross bar 702 for being arranged on the top of drainage bar 7, through anti-bird mould 2 and wire 1
Puncture preventing arc wire clamp 8, the puncture preventing arc wire clamp 8 of electrical connection set the elongated end 801 of oriented electric discharge cross bar 702 extension, are arranged on
Discharging gap 9 between elongated end 801 and electric discharge cross bar 702.
Specifically, the outer cover of wire 1 is provided with insulating barrier, anti-bird mould 2 and anticollision device, collision-prevention device 3 are made by insulating materials, from
Without causing to damage to device in there is thunderbolt event；Screw 304 is transversely arranged on connecting plate 303 and equidistantly sets
Put, two connecting plates 303 are fixedly connected by bolt through screw 304, restraint location that can be by regulating bolt on screw 304
To adjust the diameter of anti-collision net, so as to adapt to the insulator of different model size, maximum protective effect is played；Branch
The right-hand member traversing section of fagging 5 offers elongate aperture, so that fastening of the lightning arrester body 6 by bolt in elongate aperture
Position adjusts the distance of discharging gap 9 between drainage bar 7 and elongated end 801, and rotating shaft 701 is made of an electrically conducting material, can be to drawing
The angle of flow post 7 is finely adjusted, and the distance of discharging gap 9 is adjusted simultaneously for both, so as to it will farthest discharge between
The distance of gap 9 is adjusted to optimum position, to reach optimal discharge effect, the anti-bird mould 2 of the utility model by bolt by upper casing with
Lower casing tightens together, and internal spill interlayer 202 clamps wire 1, firm effect is served to wire 1, even if being put by wind
With the influence of sleety weather change, inner lead 1 there will not be buckling phenomenon, so that discharging gap 9 is unstable, simultaneously
Acupuncture 201 on anti-bird mould 2, which is set, causes bird not have foothold, serves bird repellent effect well, prevents the feather of bird
Fall on insulator, produce flashover, destroy insulator 4；The setting of anti-collision net 302 avoids bird hitting to insulator 4
Hit and damage insulator 4.When insulated over-head line is by being struck by lightning, lightning surge is by puncturing the extension on preventing arc wire clamp 8
Discharging gap 9 between the drainage bar 7 of end 801 and the upper end of lightning arrester body 6 discharges, and leaks into the earth by lightning arrester body 6；By
Electrically connected in puncturing preventing arc wire clamp 8 with wire 1, so lasting power frequency short circuit current electric arc will not produce burning on wire 1,
Electric arc is only present on gap.Therefore preventing arc wire clamp 8 is punctured in lightning surge, both protects insulator 4 from lightning damage,
Ensure that wire 1 will not be blown again.And its both ends also has " residual voltage ", therefore High-voltage Transmitting Line will not be caused short-circuit.
The utility model has good protection device, is effectively prevented perch of the birds on wire and destructive
Insulator is collided, while the fastening effect of anti-bird mould causes wire from the influence of wind-engaging pendulum and sleety weather, so that
Cause discharging gap unstable, there is very strong practicality.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the utility model technical scheme
Enclose.
Claims (5)
- A kind of 1. overhead line overvoltage protection device, it is characterised in that：Including wire (1), anti-bird mould (2), anticollision device, collision-prevention device (3), Insulator (4), supporting plate (5), lightning arrester body (6), drainage bar (7), puncture preventing arc wire clamp (8) and discharging gap (9), it is described Anti- bird mould (2) is arranged on the wire (1), the anti-bird mould (2) include acupuncture (201), spill interlayer (202), Fixed support (203) and the first fix bar (204), the anti-bird mould (2) are divided into upper casing and lower casing, and the upper casing and lower casing lead to Cross bolt to be fixedly connected, the upper casing upper surface is provided with the acupuncture (201), and the lower casing lower surface is provided with described first Fix bar (204), the spill interlayer (202) are arranged in the anti-bird mould (2), and the fixed support (203) sets respectively It is placed in the upper casing and the lower casing inner surface, the fixed support (203) one end in the upper casing is fixedly connected with upper casing, separately One end is fixedly connected with the spill interlayer (202), and the fixed support (203) one end in the lower casing is fixedly connected with lower casing, The other end is fixedly connected with the spill interlayer (202), and the anticollision device, collision-prevention device (3) includes the second fix bar (301), anti-collision net (302), connecting plate (303) and screw (304), second fix bar (301) are bolted to connection solid described first In fixed pole (204), the anti-collision net (302) is arranged on second fix bar (301) and passes through second fix bar (301), the connecting plate (303) is respectively arranged at the both ends of the anti-collision net (302), is provided with the connecting plate (303) Several described screws (304), two connecting plates (303) are fixedly connected by bolt through the screw (304), described The upper end of insulator (4) is connected through the anti-bird mould (2) with the wire (1), and the supporting plate (5) is arranged on described The lower end of insulator (4) is bolted to connection with the insulator (4), and the lightning arrester body (6) is bolted Right-hand member in the supporting plate (5), lightning arrester body (6) upper end are provided with the drainage bar (7), the drainage bar (7) Including rotating shaft (701) and electric discharge cross bar (702), the rotating shaft (701) is arranged on the bending place of the drainage bar (7), described to put Electric cross bar (702) is arranged on the top of the drainage bar (7), the puncture preventing arc wire clamp (8) through the anti-bird mould (2) with Wire (1) electrical connection, the elongated end for puncturing preventing arc wire clamp (8) and oriented electric discharge cross bar (702) extension being set (801), it is provided with the discharging gap (9) between the elongated end (801) and the electric discharge cross bar (702).
- 2. overhead line overvoltage protection device according to claim 1, it is characterised in that：Wire (1) outer cover is provided with Insulating barrier, the anti-bird mould (2) and the anticollision device, collision-prevention device (3) are made by insulating materials.
- 3. overhead line overvoltage protection device according to claim 1, it is characterised in that：The screw (304) is in the company Transversely arranged and spaced set on fishplate bar (303).
- 4. overhead line overvoltage protection device according to claim 1, it is characterised in that：The right-hand member of the supporting plate (5) is horizontal Elongate aperture is offered to section.
- 5. overhead line overvoltage protection device according to claim 1, it is characterised in that：The rotating shaft (701) is by conduction material Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720863666.9U CN206922426U (en) | 2017-07-17 | 2017-07-17 | A kind of overhead line overvoltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720863666.9U CN206922426U (en) | 2017-07-17 | 2017-07-17 | A kind of overhead line overvoltage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206922426U true CN206922426U (en) | 2018-01-23 |
Family
ID=61347508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720863666.9U Expired - Fee Related CN206922426U (en) | 2017-07-17 | 2017-07-17 | A kind of overhead line overvoltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206922426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686537A (en) * | 2019-01-10 | 2019-04-26 | 湖北金力特电气有限公司 | A kind of transformer improvement contact system |
| CN111307354A (en) * | 2019-11-20 | 2020-06-19 | 佛山科学技术学院 | Intelligent detection device for cable force |
-
2017
- 2017-07-17 CN CN201720863666.9U patent/CN206922426U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686537A (en) * | 2019-01-10 | 2019-04-26 | 湖北金力特电气有限公司 | A kind of transformer improvement contact system |
| CN111307354A (en) * | 2019-11-20 | 2020-06-19 | 佛山科学技术学院 | Intelligent detection device for cable force |
| CN111307354B (en) * | 2019-11-20 | 2022-03-29 | 佛山科学技术学院 | Intelligent detection device for cable force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20180717 |