CN206022892U - A kind of lightning protection structure of electric line parallel connection gaps - Google Patents

A kind of lightning protection structure of electric line parallel connection gaps Download PDF

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Publication number
CN206022892U
CN206022892U CN201620763512.8U CN201620763512U CN206022892U CN 206022892 U CN206022892 U CN 206022892U CN 201620763512 U CN201620763512 U CN 201620763512U CN 206022892 U CN206022892 U CN 206022892U
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arcing horn
plate
arcing
horn
pieces
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CN201620763512.8U
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Inventor
彭长均
彭云竹
简泉
周浩
袁永萍
崔坤龙
于鹏
谭晓玉
夏冰
唐继跃
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Technology & Skill Training Center Of Chongqing Electric Power Company State Grid
State Grid Corp of China SGCC
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Technology & Skill Training Center Of Chongqing Electric Power Company State Grid
State Grid Corp of China SGCC
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Abstract

This utility model discloses a kind of lightning protection structure of electric line parallel connection gaps, including the upper arcing horn that is made up of the upper arcing horn of half for being symmetrical set and half lower arcing horn respectively and lower arcing horn, upper arcing horn and lower arcing horn are parallel to the two ends of insulator chain respectively;Half upper arcing horn is fixed on arcing horn bearing, upper arcing horn bearing is the L-shaped list structure in cross section that two blocks of mutually perpendicular steel plates are formed, N-shaped link plate is provided between two pieces of upper arcing horn bearings being arranged symmetrically, the biside plate of the N-shaped link plate is close on two vertical steel plates respectively, and ball-eye is embedded between the biside plate of N-shaped link plate and is fixed by the bolt extended vertically through in two vertical steel plates, biside plate and annulus;The installation end of left and right half upper arcing horn is respectively and fixedly provided with connecting plate, and the connecting plate is simultaneously connected with the horizontal steel plate of two pieces of upper arcing horn bearings.The parallel connection gaps can quickly realize the assembly and disassembly of arcing horn, time saving and energy saving, significantly reduce the labor intensity of staff.

Description

A kind of lightning protection structure of electric line parallel connection gaps
Technical field
This utility model belongs to the protection technology field of insulator, more particularly to is used for one kind of lightning protection on electric line The structure of parallel connection gaps.
Background technology
China's ac high-voltage in recent years, supertension aerial power transmission line fault statistics data show that lightning fault is accounted for 70% of circuit total failare or so, thunder and lightning become permanent fault by insulator arc-over, electric arc calcination insulator.Have a power failure more Changing insulator reduces the reliability that electrical network is powered, and also increases operating cost.The existing lightning protection measures of overhead transmission line have at present: Lightning conducter is set up, is reduced pole tower ground resistance, reinforced insulation, Transmission Line Arrestor etc., the core of these Lighting Protection Measures is installed Thought thinks it is the resistance to thunder level for improving circuit as much as possible, reduces tripping rate with lightning strike.These lightning protection measures can be summarized as " stifled Plunger type " lightning protection mode.Also a kind of " diverting type " Lighting Protection Measures " insulator parallel connection gaps lightning protection ", its effect is thunder Electricity discharges in the metal electrode (arcing horn) at insulator two ends in parallel, so as to protect insulator injury-free, thunder discharge After transient protection action, switch trip line outage, thunder and lightning, automatic reclosing is switched, circuit resumes operation.Existing transmission & distribution The lightning protection structure of electric line parallel connection gaps is mainly made up of the upper and lower arcing horn of point row insulator upper and lower ends, is commonly called as between parallel connection Gap lightning protection device, including being grounded lateral electrode and two electrodes of wire lateral electrode, for pendency shaft tower, the ground side of its parallel connection gaps Electrode is upper arcing horn, and wire lateral electrode is then lower arcing horn;Entitled " overhead transmission line such as Application No. 2004200012918 Parallel gap lightning protection device ", including insulator chain and ground connection lateral electrode, wire lateral electrode (also known as upper and lower arcing horn/draw Arc angle), the ground connection lateral electrode, wire lateral electrode are connected to the insulator chain two ends, and in the ground connection lateral electrode, wire Constitute between lateral electrode with air as dielectric and with the series-parallel portable protective gaps of the insulator, and cause between the protection The length of gap is long less than the string of the insulator chain, so as to when the overhead transmission line is struck by lightning, shape in the parallel connection gaps Into discharge channel.These existing structures are all undoubtedly respectively provided with better effects in the lightning protection for lifting arcing horn, but, for trick The maintenance of arc angle is changed but does not have a kind of conveniently mode, the technical staff for overhauling arcing horn to both know about, due to relative The annexation that relatively fixes, causes existing parallel connection gaps structure when arcing horn is changed, need simultaneously to change ball-eye and Bowl bulb hanging ring, the mode of this replacing arcing horn are wasted time and energy, and inefficiency increased the labor intensity of operating personnel, extend Activity duration, increased use cost.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem, there is provided a kind of lightning protection of electric line parallel connection gaps Structure, the parallel connection gaps can quickly realize the assembly and disassembly of arcing horn, need not change ball-eye and socket-clevis eye can be by arcing horn Change, time saving and energy saving, significantly reduce the labor intensity of staff.
The technical solution of the utility model is as follows:
A kind of lightning protection structure of electric line parallel connection gaps, including upper arcing horn and lower arcing horn, upper arcing horn is by a left side On the Zuo Banzhi that the right side is arranged symmetrically, arcing horn and right half upper arcing horn are constituted, and lower arcing horn is by half, the left side being symmetrically arranged Lower arcing horn and right half lower arcing horn composition, the upper arcing horn and lower arcing horn are parallel to the two ends of insulator chain respectively; Described left half upper arcing horn and right half upper arcing horn are individually fixed on the upper arcing horn bearing of two pieces for being symmetrical set, The upper arcing horn bearing is the L-shaped string configuration in cross section that two blocks of mutually perpendicular steel plates are formed, symmetrical in front and back N-shaped link plate is provided between two vertical steel plates of the two pieces of upper arcing horn bearings for arranging, the left and right sides plate of the N-shaped link plate is put down respectively Row and it is close on two vertical steel plates, ball-eye is embedded between the biside plate of N-shaped link plate and the annulus of ball-eye and both sides Plate is parallel, and ball-eye is fixed in two vertical steel plates, the biside plate of N-shaped link plate and the bolt connection of annulus by extending vertically through; The installation end of described left and right half upper arcing horn is respectively and fixedly provided with the connecting plate of bar tabular, and every piece of connecting plate is simultaneously connected with described On the horizontal steel plate of two pieces of upper arcing horn bearings.
Further, the connecting plate is orthogonal with half upper arcing horn, the two ends of every piece of connecting plate respectively with two pieces The bolts at two ends connection of the horizontal steel plate of upper arcing horn bearing.
Further, screw thread bar hole, wherein, water are equipped with two blocks of mutually perpendicular steel plates of the upper arcing horn bearing Screw thread bar hole position on plain plate is close to water through parallel in the two ends of upper arcing horn bearing, bolt through after the screw thread bar hole The connecting plate of plain plate bottom, left and right half arcing horn is respectively fixedly connected with two pieces on arcing horn bearing.
Further, the lower arcing horn is linear type arcing horn, and the installation end of its left and right half lower arcing horn fixes On the bolt that one end of batten, the batten are fixed between bowl head and suspension clamp.
The beneficial effects of the utility model:This utility model is installed using arcing horn bearing on the strip of two pieces of perpendicular types Arcing horn in fixation, half and half upper arcing horn are connected with upper arcing horn carrier setting bolt by connecting plate, it is possible to achieve upper arcing horn Rapid-assembling/disassembling, maintenance change arcing horn when, directly twist off bolt, arcing horn changed, without dismounting ball-eye Deng hardware, manipulation strength is significantly reduced, and the symmetrical parallel arrangement of the upper arcing horn bearing of perpendicular type, make arcing horn whole Body is located on horizontal line, so as to establish every lightning Protection Design parameter exactly, it is ensured which discharges, lightning protection properties;And per half Upper arcing horn all passes through one piece of connecting plate and is simultaneously connected with two pieces on arcing horn bearing, plays connection to two pieces of upper arcing horn bearings Improve the installation fixing of itself while effect again, make overall structure more compact firm.Additionally, lower arcing horn is connected On one block of batten, fixed with the bolt connection of vertical wire clamp by batten, equally achieve the fast quick-detach of lower arcing horn more Change, further improve the performance of the parallel connection gaps.
Description of the drawings
Fig. 1 is this utility model forward structure view.
Fig. 2 is upper arcing horn mounting structure left view.
Fig. 3 is half upper arcing horn top view.
Fig. 4 is upper arcing horn bearing front view.
Fig. 5 is upper arcing horn bearing top view.
Fig. 6 is upper arcing horn bearing side view.
Fig. 7 is arcing horn front view under linear type.
Fig. 8 is arcing horn top view under half straight line.
Component label instructions:Half upper arcing horn 1, N-shaped link plate 2, carrier setting bolt 3, upper arcing horn bearing 4, ball-eye 5th, 6, half lower arcing horn 7, socket-clevis eye 8, cable clip bolt 9, suspension clamp 10, connecting plate 101, batten 701 of insulator chain.
Specific embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by description understands other advantages of the present utility model and effect easily.
The utility model is described in further detail with reference to the accompanying drawings and examples:
As shown in figure 1, a kind of lightning protection structure of electric line parallel connection gaps, including upper arcing horn and lower arcing horn, institute State the two ends that arcing horn and lower arcing horn are parallel to insulator chain 6 respectively.Upper arcing horn includes symmetrically arranged left and right two Half upper arcing horn 1, similarly, lower arcing horn also includes symmetrically arranged left and right two and half lower arcing horns 7, half upper trick Arc angle 1 and half lower arcing horn 7 are made using the round steel of φ 18, are respectively welded one in the other end of half upper and lower arcing horn The steel ball of individual a diameter of 18mm, 40mm.As shown in figure 3, the installation end of arcing horn 1 is to being welded with a rectangular strip on half Connecting plate 101, the centre position of the connecting plate 101 are welded and fixed with the installation end of above-mentioned half upper arcing horn 1, so that connection Plate 101 and half upper arcing horn 1 are linked to be to form a T-type structure.As shown in Fig. 2 upper arcing horn 1 is simultaneously fixed at per half On two pieces of upper arcing horn bearings 4, two pieces of upper trick arc bearings 4 are connected as a single entity.Which is specifically:Upper arcing horn bearing 4 is mutual for two pieces The list structure that perpendicular steel plate is constituted, and the cross section of upper arcing horn bearing 4 is L-shaped, before and after two pieces of upper arcing horn bearings 4 Parallel Symmetric arranges that the horizontal steel plate that goes up in two blocks of mutually perpendicular steel plates of arcing horn bearing 4 is in the same plane, and Two blocks of vertical steel plates are then parallel to each other symmetrically, wherein, adopt simultaneously in every piece of horizontal steel plate bottom (upper 4 bottom of arcing horn bearing) Two pieces of above-mentioned connecting plates 101 have been bolted, and connecting plate 101 is mutually perpendicular to horizontal steel plate, half is fixed for installing Arcing horn 1, to form upper arcing horn after being symmetrically installed.Between two blocks of vertical steel plates, N-shaped link plate 2 is provided with, the N-shaped is hung Plate 2 is strip section bar of the cross section in N-shaped, and with two side plates in left and right, the left and right sides plate is parallel respectively and is close to On above-mentioned two vertical steel plate, the top ring part of ball-eye 5, and ball-eye is embedded between the biside plate of N-shaped link plate 2 Annulus parallel with biside plate be close to, to be clamped;For clamping ball-eye 5, spy is extended vertically through using a carrier setting bolt 3 Three is connected after above-mentioned two vertical steel plate, the biside plate of N-shaped link plate 2 and annulus.N-shaped link plate can be provided with inside 2 top Connecting bolt, for actually used when select using bolt in the respective members.
Further, the connecting plate 101 is orthogonal with the round steel of half upper arcing horn installation end, and connecting plate 101 Two ends (being the two ends on its length direction) respectively with the two ends of the horizontal steel plate of two pieces of upper arcing horn bearings (i.e. its length side Two ends upwards) bolt connection, the edging laminating at corresponding to horizontal steel plate three of connecting plate 101 wherein three.
Further, as shown in Fig. 46, spiral shell is equipped with two blocks of mutually perpendicular steel plates of this kind of upper arcing horn bearing 4 Stricture of vagina bar hole, wherein, the two ends of screw thread bar hole position on horizontal steel plate on horizontal steel plate length direction, by embedded for N-shaped link plate 2 peace After dress, two screw thread bar holes being located on two pieces of horizontal steel plates respectively are relative with two screw thread bar holes on the connecting plate 101 Should, half upper arcing horn 1 is installed for bolt-connection;Vertically the lower section on steel plate is provided with a row, two bar holes, for bolt Arcing horn bearing 4 in fixation, can be according to the particular location for installing practical situation setting bar hole, in order to be arranged on other components On, the installation of arcing horn bearing 4 in realization is fixed.In order to simplify structure, material-saving, upper 4 top of arcing horn bearing is provided with circle Arc is raised, and the raised lower section of circular arc opens up manhole so that carrier setting bolt 3 is passed through, and the manhole both sides are symmetrically provided with two State screw thread bar hole.
Further, lower arcing horn is arcing horn under straight line, and as shown in Fig. 78, under straight line, arcing horn is by one piece 282 The batten 701 that the iron plate of (length) × 50 (width) × 6 (thickness) mm is made is welded with diameter 18mm round steel, one end of round steel and ferrum Centerline parallel on the axis of the horizontal segment of plate butt welding connection and round steel and the length direction of iron plate, the other end of round steel are then welded There is an a diameter of 40mm steel ball.Under above-mentioned straight line, arcing horn each two constitutes one group, installed in 8 (simply connected bowl head of socket-clevis eye Or twin sockets) and the bolt between suspension clamp 10 on, herein suspension clamp 10 be a kind of existing ship shaped cable clamp, it be by Hanger, u-shaped bolt and hull composition, hanger are connected and fixed with bowl head by cable clip bolt 9, arcing horn under above-mentioned one group of straight line The center of two blocks of battens 701 is fixed through after cable clip bolt 9.Certainly, lower arcing horn can also be adopted and recruit arc under strain insulator Angle, its round steel by one piece of 235 (length) × 50 (width) × 6 (thickness) mm iron plate with diameter 18mm are welded, and its medial end portions is welded with One a diameter of 40mm steel ball.A same size steel plate is separately added to be fixed on strain clamp with above-mentioned iron plate by stainless steel bolt On the joint bolt between socket-clevis eye 8.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.Any person skilled in the art all can be carried out to above-described embodiment without prejudice under spirit and the scope of the present utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in this utility model All equivalent modifications completed under god and technological thought or change, should be covered by claim of the present utility model.

Claims (4)

1. a kind of lightning protection structure of electric line parallel connection gaps, including upper arcing horn and lower arcing horn, upper arcing horn is by left and right On the Zuo Banzhi being arranged symmetrically, arcing horn and right half upper arcing horn are constituted, under lower arcing horn is by the Zuo Banzhi being symmetrically arranged Arcing horn and right half lower arcing horn composition, the upper arcing horn and lower arcing horn are parallel to the two ends of insulator chain respectively;Its It is characterised by:
Described left half upper arcing horn and right half upper arcing horn are individually fixed in the upper arcing horn of two pieces for being symmetrical set On seat, the upper arcing horn bearing is the L-shaped string configuration in cross section that two blocks of mutually perpendicular steel plates are formed, in front and back N-shaped link plate is provided between two vertical steel plates of symmetrically arranged two pieces upper arcing horn bearings, the left and right sides plate point of the N-shaped link plate Not parallel and be close on two vertical steel plates, ball-eye be embedded between the biside plate of N-shaped link plate and the annulus of ball-eye with Biside plate is parallel, and ball-eye is solid in the bolt connection of two vertical steel plates, the biside plate of N-shaped link plate and annulus by extending vertically through Fixed;The installation end of described left and right half upper arcing horn is respectively and fixedly provided with the connecting plate of bar tabular, and every piece of connecting plate is simultaneously connected with institute State on the horizontal steel plate of two pieces of upper arcing horn bearings.
2. the lightning protection structure of electric line parallel connection gaps according to claim 1, it is characterised in that:The connecting plate and half On, arcing horn is orthogonal, and the bolts at two ends of the horizontal steel plate of arcing horn bearings is gone up at the two ends of every piece of connecting plate respectively with two pieces Connection.
3. the lightning protection structure of electric line parallel connection gaps according to claim 2, it is characterised in that:The upper arcing horn Screw thread bar hole is equipped with two blocks of mutually perpendicular steel plates of seat, wherein, the screw thread bar hole position on horizontal steel plate is in upper arcing horn The parallel connecting plate for being close to horizontal steel plate bottom is run through through after the screw thread bar hole in the two ends of bearing, bolt, by left and right half Arcing horn is respectively fixedly connected with two pieces on arcing horn bearing.
4. the lightning protection structure of electric line parallel connection gaps according to claim 1, it is characterised in that:The lower arcing horn is Linear type arcing horn, the installation end of its left and right half lower arcing horn are both secured to one end of batten, and the batten is fixed on a bowl head On bolt between suspension clamp.
CN201620763512.8U 2016-07-19 2016-07-19 A kind of lightning protection structure of electric line parallel connection gaps Active CN206022892U (en)

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Application Number Priority Date Filing Date Title
CN201620763512.8U CN206022892U (en) 2016-07-19 2016-07-19 A kind of lightning protection structure of electric line parallel connection gaps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620763512.8U CN206022892U (en) 2016-07-19 2016-07-19 A kind of lightning protection structure of electric line parallel connection gaps

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111293661A (en) * 2020-01-13 2020-06-16 国网浙江武义县供电有限公司 Bidirectional lightning protection disconnection protection method and device for insulated conductor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111293661A (en) * 2020-01-13 2020-06-16 国网浙江武义县供电有限公司 Bidirectional lightning protection disconnection protection method and device for insulated conductor
CN111293661B (en) * 2020-01-13 2021-08-24 国网浙江武义县供电有限公司 Bidirectional lightning protection disconnection protection method and device for insulated conductor

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