CN207651259U - A kind of band external series gap line support arrester - Google Patents

A kind of band external series gap line support arrester Download PDF

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Publication number
CN207651259U
CN207651259U CN201721779566.4U CN201721779566U CN207651259U CN 207651259 U CN207651259 U CN 207651259U CN 201721779566 U CN201721779566 U CN 201721779566U CN 207651259 U CN207651259 U CN 207651259U
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CN
China
Prior art keywords
electrode
gold utensil
line support
series gap
external series
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CN201721779566.4U
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Chinese (zh)
Inventor
王清勇
刘志强
黄晓勇
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Seven Stars Electric Co Ltd
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Seven Stars Electric Co Ltd
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Priority to CN201721779566.4U priority Critical patent/CN207651259U/en
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Publication of CN207651259U publication Critical patent/CN207651259U/en
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Abstract

The utility model provides a kind of band external series gap line support arrester, including insulation mandrel, it is separately positioned on the upper gold utensil of insulation mandrel upper and lower ends and lower gold utensil, lower gold utensil ground connection, it further include the resistance ring being set on insulation mandrel, it is separately positioned on resistance ring, the top electrode of lower end and lower electrode, resistance ring is respectively by upper, lower electrode with it is upper, lower gold utensil electrical connection, it is provided with arc electrode on lower electrode, it is provided on lower gold utensil corresponding with arc electrode to form the lug boss of electric clearance, diameter is provided on insulation mandrel between lower electrode and lower gold utensil to be gradually reduced from top to bottom so that shortest first parachute skirt of electric clearance.The utility model has both insulator and arrester function, and the diameter of the first parachute skirt is gradually reduced from top to bottom, keeps the electric clearance that arc electrode is formed with lug boss most short, had not only made lightning strike protection effect more preferable, but also do not influence creepage distance;Installation, maintenance and replacement are more convenient, reduce cost, reliable and stable.

Description

A kind of band external series gap line support arrester
Technical field
The utility model is related to a kind of band external series gap line support arresters.
Background technology
Insulator, arrester are mounted in two kinds of common power equipments in high voltage transmission line and substation.Insulation Son and arrester are typically to be separated from each other, and are independently used, under normal circumstances, after installing insulator, in corresponding insulator One arrester of side parallel connection.In this case, insulator only serves the effect of supported weight and insulation, and arrester then provides absolutely Edge and discharging function cannot carry circuit weight.It needs respectively to carry out insulator and arrester in installation and later maintenance Installation safeguards and replaces, heavy workload that input cost is high, and it is long to expend the time.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to propose a kind of band external series gap line support arrester, Insulator and arrester function are had both, installation, maintenance and replacement are more convenient, reduce cost.
The utility model is achieved through the following technical solutions:
A kind of band external series gap line support arrester, including insulation mandrel, it is separately positioned on insulation mandrel upper and lower ends Upper gold utensil and lower gold utensil, lower gold utensil ground connection further includes the resistance ring being set on insulation mandrel, be separately positioned on resistance ring, The top electrode of lower end and lower electrode, resistance ring are electrically connected by upper and lower electrode with upper and lower gold utensil respectively, are provided on lower electrode Arc electrode, be provided on lower gold utensil it is corresponding with arc electrode to form the lug boss of electric clearance, lower electrode and lower gold utensil it Between insulation mandrel on be provided with diameter and be gradually reduced from top to bottom so that shortest first parachute skirt of electric clearance.
Further, the resistance ring includes multiple concatenated sub- resistance rings, between the adjacent sub- resistance ring of two of which It is provided with the spring in compressive state.
Further, the arc electrode is that one end is arranged on the lower electrode and reclinate curved pipe, arc Pipe other end end is downwardly projecting arc;The lug boss is arc convex portion.
Further, the top electrode includes the first grading ring being electrically connected with the resistance ring, the first grading ring periphery It is provided with screw thread.
Further, the lower electrode includes the casing being arranged on the insulation mandrel, is arranged the of sleeve upper end Two grading rings, the arc electrode are arranged on casing, and the second grading ring is electrically connected with resistance ring.
Further, interval is relatively set with two arc electrodes in described sleeve pipe, is arranged at intervals on the lower gold utensil point Two lug bosses not corresponding with two arc electrodes.
Further, further include being arranged in the top electrode, the insulation tube of resistance ring and lower electrode periphery and setting exhausted Second parachute skirt of edge pipe periphery is arranged at intervals with multiple relief holes on insulation tube, and insulation tube upper end is threadedly secured to On first grading ring.
Further, first, second parachute skirt is integrally formed.
Further, the upper gold utensil top is provided with the groove for placing conducting wire.
Further, the nut that the lower gold utensil lower end is provided with the screw rod that may pass through cross-arm and coordinates with screw rod.This reality It is had the advantages that with novel:
1, the utility model has both insulator and arrester function, and when circuit is run, the utility model plays insulator Support and insulating effect, when circuit meets with Lightning Over-voltage, the utility model plays the role of the lightning strike protection of arrester, electric Arc introduces resistance ring by arc electrode, carries out pressure limiting electric discharge by resistance ring, circuit is avoided to be damaged because of lightning stroke;First insulation The diameter of full skirt is gradually reduced from top to bottom, keeps the electric clearance that arc electrode is formed with lug boss most short, both makes lightning strike protection Effect is more preferable, and does not influence creepage distance;Installation, maintenance and replacement are more convenient, reduce cost, reliable and stable.
2, the resistance ring of the utility model include multiple concatenated sub- resistance rings and setting two adjacent sub- resistance rings it Between spring the smaller sub- resistance ring of multiple resistance values can be connected when a resistance ring is unable to reach corresponding voltage class, And by the cooperation of spring and upper and lower electrode, makes to keep good electrical connection between adjacent resistor ring, neither influence lightning strike protection Effect, and enhance versatility.
3, the arc electrode other end end of the utility model is arc, lug boss is arc convex portion, keeps this practicality new The lightning strike protection effect of type is more preferable.
4, the utility model is provided with insulation tube in top electrode, resistance ring and lower electrode periphery, is arranged in insulation tube periphery Have the second parachute skirt, and the first, second parachute skirt is integrally formed, make the utility model good airproof performance, ageing resistance it is strong, Explosion-proof, resistance to filth, service life are long.
Description of the drawings
The utility model is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 be Figure 1A-A to sectional structure chart.
Fig. 3 is the usage state diagram of the utility model.
Fig. 4 is the structural schematic diagram of lower electrode.
Specific implementation mode
As shown in Figures 1 to 4, band external series gap line support arrester includes insulation mandrel 1, is separately positioned on insulation mandrel The upper gold utensil 2 of 1 upper and lower ends and lower gold utensil 3, the resistance ring 4 being set on insulation mandrel 1, to be separately positioned on resistance ring 4 upper and lower The top electrode 5 at end and lower electrode 6, the first parachute skirt 7 being arranged between lower electrode 6 and lower gold utensil 3, setting top electrode 5, Resistance ring 4 and the insulation tube 8 of lower 6 periphery of electrode and the second parachute skirt 9 in 8 periphery of insulation tube is set, resistance ring 4 is by upper Electrode 5 is electrically connected with upper gold utensil 2, is electrically connected with lower gold utensil 2 by lower electrode 6.Interval is relatively set with two strikings on lower electrode 6 Electrode 61, the second parachute skirt 9 also cover arc electrode 61, be arranged at intervals on lower gold utensil 3 respectively with two arc electrodes 61 It corresponds to form two lug bosses 31 of electric clearance L, the diameter of the first parachute skirt 7 is gradually reduced from top to bottom to ensure first Parachute skirt 7 does not interfere with the direct line between arc electrode 61 and lug boss 31, to keep electric clearance L most short.Upper gold Have 2 tops and be provided with groove 21 for placing line conductor 10, lower 3 lower end of gold utensil is provided with the screw rod that may pass through cross-arm 101 32 and the nut 33 that coordinates with screw rod 32, lower gold utensil 3 is grounded by cross-arm 101.First parachute skirt 7 and the second parachute skirt 9 It is integrally formed.
In the present embodiment, resistance ring 4 includes five concatenated sub- resistance ring 41-45, sub- resistance ring 42 and sub- resistance ring The spring 46 in compressive state is provided between 43, the resistance value of sub- resistance ring 41-45 may be the same or different, but son The line voltage distribution grade that resistance value after resistance ring 41-45 series connection should be supported with arrester matches.
Top electrode 5 includes the first grading ring 51 being electrically connected with sub- resistance ring 41, and 51 periphery of the first grading ring is provided with spiral shell Line 52 is arranged at intervals with multiple relief holes 81 on insulation tube 8, and 8 upper end of insulation tube is fixed on the first grading ring by screw thread 52 On 51.Lower electrode 6 includes the casing 62 being arranged on insulation mandrel 1, the second grading ring 63 in 62 upper end of casing is arranged, and two draw 61 relative spacing of arc electrode is arranged on casing 62, and the second grading ring 63 is electrically connected with sub- resistance ring 45.In the present embodiment, draw Arc electrode 61 is that one end is arranged on casing 62 and reclinate curved pipe, curved pipe other end end are downwardly projecting arc Shape, lug boss 31 are arc convex portion, and the ball on lower gold utensil 3 is specially arranged.
The above, the only preferred embodiment of the utility model, therefore the utility model implementation cannot be limited with this Range all should still belong to this that is, according to equivalent changes and modifications made by present utility model application the scope of the claims and description In the range of utility model patent is covered.

Claims (10)

1. a kind of band external series gap line support arrester, including insulation mandrel, it is separately positioned on the upper of insulation mandrel upper and lower ends Gold utensil and lower gold utensil, lower gold utensil ground connection, it is characterised in that:Further include the resistance ring being set on insulation mandrel, be separately positioned on The top electrode of resistance ring upper and lower end and lower electrode, resistance ring are electrically connected by upper and lower electrode with upper and lower gold utensil respectively, lower electrode On be provided with arc electrode, be provided on lower gold utensil it is corresponding with arc electrode to form the lug boss of electric clearance, lower electrode with Diameter is provided on insulation mandrel between lower gold utensil to be gradually reduced from top to bottom so that shortest first insulated umbrella of electric clearance Skirt.
2. a kind of band external series gap line support arrester according to claim 1, it is characterised in that:The resistance ring includes Multiple concatenated sub- resistance rings are provided with the spring in compressive state between the adjacent sub- resistance ring of two of which.
3. a kind of band external series gap line support arrester according to claim 1, it is characterised in that:The arc electrode is One end is arranged on the lower electrode and reclinate curved pipe, and curved pipe other end end is downwardly projecting arc;Institute It is arc convex portion to state lug boss.
4. a kind of band external series gap line support arrester according to claim 1 or 2 or 3, it is characterised in that:It is described to power on Pole includes the first grading ring being electrically connected with the resistance ring, and the first grading ring periphery is provided with screw thread.
5. a kind of band external series gap line support arrester according to claim 1 or 2 or 3, it is characterised in that:The lower electricity Pole includes the casing being arranged on the insulation mandrel, the second grading ring in sleeve upper end is arranged, the arc electrode setting On casing, the second grading ring is electrically connected with resistance ring.
6. a kind of band external series gap line support arrester according to claim 5, it is characterised in that:It is spaced in described sleeve pipe Two arc electrodes are relatively set with, two lug bosses corresponding with two arc electrodes respectively are arranged at intervals on the lower gold utensil.
7. a kind of band external series gap line support arrester according to claim 4, it is characterised in that:Further include being arranged in institute State top electrode, resistance ring and lower electrode periphery insulation tube and the second parachute skirt in insulation tube periphery is set, on insulation tube Multiple relief holes are arranged at intervals with, insulation tube upper end is threadedly secured on the first grading ring.
8. a kind of band external series gap line support arrester according to claim 7, it is characterised in that:Described first, second Parachute skirt is integrally formed.
9. a kind of band external series gap line support arrester according to claim 1 or 2 or 3, it is characterised in that:The upper gold Tool top is provided with the groove for placing conducting wire.
10. a kind of band external series gap line support arrester according to claim 1 or 2 or 3, it is characterised in that:Under described The nut that gold utensil lower end is provided with the screw rod that may pass through cross-arm and coordinates with screw rod.
CN201721779566.4U 2017-12-19 2017-12-19 A kind of band external series gap line support arrester Active CN207651259U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721779566.4U CN207651259U (en) 2017-12-19 2017-12-19 A kind of band external series gap line support arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721779566.4U CN207651259U (en) 2017-12-19 2017-12-19 A kind of band external series gap line support arrester

Publications (1)

Publication Number Publication Date
CN207651259U true CN207651259U (en) 2018-07-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108109783A (en) * 2017-12-19 2018-06-01 七星电气股份有限公司 A kind of band external series gap line support arrester
CN114464380A (en) * 2022-03-28 2022-05-10 醴陵华鑫电瓷科技股份有限公司 Lightning protection type post insulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108109783A (en) * 2017-12-19 2018-06-01 七星电气股份有限公司 A kind of band external series gap line support arrester
CN114464380A (en) * 2022-03-28 2022-05-10 醴陵华鑫电瓷科技股份有限公司 Lightning protection type post insulator

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