CN207149470U - A kind of pole of railway breaker - Google Patents
A kind of pole of railway breaker Download PDFInfo
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- CN207149470U CN207149470U CN201721131191.0U CN201721131191U CN207149470U CN 207149470 U CN207149470 U CN 207149470U CN 201721131191 U CN201721131191 U CN 201721131191U CN 207149470 U CN207149470 U CN 207149470U
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- porcelain insulator
- hollow porcelain
- pole
- outlet
- transition
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Abstract
A kind of pole of railway breaker, including upper hollow porcelain insulator setting up and down and lower hollow porcelain insulator, are fixedly connected between upper hollow porcelain insulator and lower hollow porcelain insulator by lower outlet；The upper end of upper hollow porcelain insulator is fixedly connected with outlet, and upper hollow porcelain insulator upper end is internally provided with the first ceramic screened part；The lower end of lower hollow porcelain insulator is provided with soft sealed screen shield, and the edge of sealed screen shield is bonded with the lower surface of lower hollow porcelain insulator, and insulated tension pole is fixedly installed at the center of sealed screen shield；Vacuum interrupter is provided with upper hollow porcelain insulator, the moved end of vacuum interrupter is fixedly connected with transition slide bar, and transition slide bar is assembled by touch spring seat to be connected with insulated tension pole.The utility model provide it is a kind of it is simple in construction, insulating properties are superior, have certain short-time overload capacity outdoor railway breaker pole.
Description
Technical field
A kind of railway breaker is the utility model is related to, specifically a kind of pole of railway breaker.
Background technology
China is vast in territory, railway traction net sets up and is stepped up from East Coastal to western plateau, height above sea level, to leading
The electric equipment insulating properties for drawing power distribution network propose rigors.Meanwhile handling capacity requirement of the railway system to Traction networks
Increasingly improve, corresponding is the short period overload capability for needing to improve Traction networks electric equipment.
In order to meet above-mentioned application demand, there are a variety of pole design methods in outdoor railway breaker in the market.It is external
Enterprise is more true using silicone grease filling using the dielectric such as the pole design being fully sealed, inside filling SF6, N2, domestic enterprise
Gap between empty arc-chutes and hollow porcelain insulator, as dielectric.Above two mode, in equipment running process,
In the presence of because gas leakage and insulating capacity lose or short period overload capability reduce the problem of.Further, since above-mentioned dielectric
Use, the processing of parts and the requirement of assembly technology are quite strict, and the loading of dielectric and processing links are also considerably complicated.
Utility model content
In order to solve deficiency of the prior art, the utility model offer one kind is simple in construction, insulating properties are superior, have
The pole of the outdoor railway breaker of certain short-time overload capacity.
To achieve these goals, the concrete scheme that the utility model uses for：
A kind of pole of railway breaker, including upper hollow porcelain insulator setting up and down and lower hollow porcelain insulator, on
It is fixedly connected between hollow porcelain insulator and lower hollow porcelain insulator by lower outlet；The upper end of the upper hollow porcelain insulator is consolidated
Surely outlet is connected with, upper hollow porcelain insulator upper end is internally provided with the first ceramic screened part；Hollow porcelain insulating under described
The lower end of son is provided with soft sealed screen shield, and the edge of sealed screen shield is bonded with the lower surface of lower hollow porcelain insulator,
Insulated tension pole is fixedly installed at the center of sealed screen shield；Vacuum interrupter, vacuum are provided with upper hollow porcelain insulator
The moved end of arc-chutes is fixedly connected with transition slide bar, and transition slide bar is assembled by touch spring seat to be connected with the insulated tension pole
Connect.
The week side of boss of the moved end of the vacuum interrupter is fixedly installed conductive clip, and the upper end of the lower outlet is fixedly installed
Transition is arranged, and the conductive clip is connected between being arranged with transition by being flexible coupling；A through hole, the mistake are offered on transition row
Slide bar is crossed to pass through from through hole.
It is described be flexible coupling be provided with the shielding part that is flexible coupling between the upper hollow porcelain insulator.
The upper outlet is tightly connected by the first seal O-ring and the upper hollow porcelain insulator.
The lower outlet by two the second seal O-rings respectively with the upper hollow porcelain insulator and it is described under hollow porcelain
Insulator is tightly connected.
Annular groove is along the circumferential direction offered on the lower end of the insulated tension pole, the sealed screen shield is fastened on annular
In groove.
The upper outlet is provided with the depressed part for concaving towards the upper hollow porcelain insulator, and the first ceramic screened part is set
Between the inwall of depressed part and upper hollow porcelain insulator.
Second ceramic screened part is set between the transition slide bar and the lower hollow porcelain insulator.
The upper end of the upper hollow porcelain insulator is further fixedly arranged on end cap.
Beneficial effect：
1st, the utility model can ensure that three phase point region is in relatively low electric-field intensity scope, so as to greatly improve pole
Dielectric level；
2nd, it is close using rubber seal between upper outlet, hollow porcelain insulator, lower outlet, hollow porcelain insulator and base
Envelope, sealing structure is simple, but can guarantee that dust-proof, waterproof function, full of air as dielectric inside whole monopole, without
Extra purifying and pressurize processing are done again；
3rd, simple in construction, assembly reliability is high, and insulating properties are superior.
Brief description of the drawings
Fig. 1 is schematic appearance of the present utility model；
Fig. 2 is overall structure diagram of the present utility model.
Reference：1st, upper outlet, 2, upper hollow porcelain insulator, 3, vacuum interrupter, the 4, first ceramic screened part, 5, lead
Electricity folder, 6, be flexible coupling, 7, be flexible coupling shielding part, 8, transition row, 9, lower outlet, 10, transition slide bar, 11, the assembling of touch spring seat,
12nd, insulated tension pole, 13, sealed screen shield, the 14, first seal O-ring, 15, lower hollow porcelain insulator, 16, base, 17, second
Ceramic screened part, the 18, second seal O-ring.
Embodiment
Embodiment of the present utility model is illustrated below according to accompanying drawing.
As illustrated in fig. 1 and 2, a kind of pole of railway breaker, including upper hollow porcelain insulator 2 setting up and down and lower sky
Heart porcelain insulator 15.It is fixedly connected between upper hollow porcelain insulator 2 and lower hollow porcelain insulator 15 by lower outlet 9, lower outlet 9
It is tightly connected respectively with upper hollow porcelain insulator 2 and lower hollow porcelain insulator 15 by two the second seal O-rings 18.
The lower end of lower hollow porcelain insulator 15 is provided with soft sealed screen shield 13, preferably semi-conducting rubber material.
The edge of sealed screen shield 13 is bonded with the lower surface of lower hollow porcelain insulator 15, when pole is fastened on base 16,
Sealed screen shield 13 is compacted.It is fixedly installed insulated tension pole 12 at the center of sealed screen shield 13, insulated tension pole 12 is to overhead
Heart porcelain insulator 2 extends.Annular groove is along the circumferential direction offered on the lower end of insulated tension pole 12, sealed screen shield 13 is fastened on
In annular groove.Soft sealed screen shield 13, when vacuum interrupter 3
The upper end of upper hollow porcelain insulator 2 is fixedly connected with outlet 1, and upper outlet 1 by the first seal O-ring 14 with
Upper hollow porcelain insulator 2 is tightly connected.Upper outlet 1 is provided with the depressed part for concaving towards hollow porcelain insulator 2, depressed part with it is upper
The first ceramic screened part 4 is provided between the inwall of hollow porcelain insulator 2.The upper upper end of hollow porcelain insulator 2 is internally provided with
First ceramic screened part 4.Vacuum interrupter 3 is provided with upper hollow porcelain insulator 2, the moved end of vacuum interrupter 3, which is fixed, to be connected
Transition slide bar 10 is connected to, transition slide bar 10 is connected by touch spring seat assembling 11 with insulated tension pole 12.Vacuum interrupter 3
The week side of boss of moved end is fixedly installed conductive clip 5, and the upper end of lower outlet 9 is fixedly installed transition row 8, conductive clip 5 and transition row 8 it
Between 6 be connected by being flexible coupling, be flexible coupling between 6 and upper hollow porcelain insulator 2 and be provided with the shielding part 7 that is flexible coupling.8 are arranged in transition
On offer a through hole, transition slide bar 10 passes through from through hole, is set between transition slide bar 10 and lower hollow porcelain insulator 15
Second ceramic screened part 17.The upper end of upper hollow porcelain insulator 2 is further fixedly arranged on end cap.
First seal O-ring 14 and the second seal O-ring 18 are both preferably rubber seal.
Upper end, lower outlet 9, the lower end of lower hollow porcelain insulator 15 of upper hollow porcelain insulator 2, one is formed between three points
The three phase point region of individual insulation, due to manufacturing the difference or defect of link, cause three phase point region Electric Field Distribution complicated, turn into drawing
The horizontal key factor of low insulation.By setting the first ceramic screened part 4, shielding guarantor is carried out to the upper upper end of hollow porcelain insulator 2
Shield；Be flexible coupling shielding part 7 by setting, both to the 6 carry out shielding protections that are flexible coupling, also to upper hollow porcelain insulator 2 and under it is hollow
The intersection of porcelain insulator 15, that is, descend progress shielding protection at the upper end of outlet 9；It is right by setting the second ceramic screened part 17
Shielding protection is carried out at the lower end of lower outlet 9；By setting sealed screen shield 13, the lower end of lower hollow porcelain insulator 15 is carried out
Shielding protection.Tiger has been shielded by several places, it is ensured that above-mentioned three phase point region is in relatively low electric-field intensity scope, so as to significantly
Improve the dielectric level of pole.
Rubber is used between upper outlet 1, upper hollow porcelain insulator 2, lower outlet 9, lower hollow porcelain insulator 15 and base 16
Seal seals, and sealing structure is simple, but can guarantee that dust-proof, waterproof function, full of air as insulation inside whole monopole
Medium, without doing extra purifying and pressurize processing again.
The utility model, by checking, can use under conditions of without media such as extra padding silicone grease or SF6
On 27.5kV or 40.5kV outdoor breaker products, the insulating requirements of 3000 meters of High aititudes can also be met, while reach open circuit
Device other cut-off, the function such as current-carrying.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
- A kind of 1. pole of railway breaker, it is characterised in that：Including upper hollow porcelain insulator setting up and down（2）It is hollow with Porcelain insulator（15）, upper hollow porcelain insulator（2）With lower hollow porcelain insulator（15）Between pass through lower outlet（9）It is fixedly connected； The upper hollow porcelain insulator（2）Upper end be fixedly connected with outlet（1）, upper hollow porcelain insulator（2）The inside of upper end is set It is equipped with the first ceramic screened part（4）；The lower hollow porcelain insulator（15）Lower end be provided with soft sealed screen shield（13）, Sealed screen shield（13）Edge and lower hollow porcelain insulator（15）Lower surface fitting, sealed screen shield（13）Center at consolidate Surely it is provided with insulated tension pole（12）；In upper hollow porcelain insulator（2）Inside it is provided with vacuum interrupter（3）, vacuum interrupter（3）'s Moved end is fixedly connected with transition slide bar（10）, transition slide bar（10）Assembled by touch spring seat（11）With the insulated tension pole （12）It is connected.
- A kind of 2. pole of railway breaker as claimed in claim 1, it is characterised in that：The vacuum interrupter（3）It is dynamic The week side of boss at end is fixedly installed conductive clip（5）, the lower outlet（9）Upper end be fixedly installed transition row（8）, the conductive clip （5）Arranged with transition（8）Between by being flexible coupling（6）It is connected；Arranged in transition（8）On offer a through hole, the transition is slided Bar（10）Passed through from through hole.
- A kind of 3. pole of railway breaker as claimed in claim 2, it is characterised in that：It is described to be flexible coupling（6）On described Hollow porcelain insulator（2）Between be provided with the shielding part that is flexible coupling（7）.
- A kind of 4. pole of railway breaker as claimed in claim 1, it is characterised in that：The upper outlet（1）Pass through first Seal O-ring（14）With the upper hollow porcelain insulator（2）It is tightly connected.
- A kind of 5. pole of railway breaker as claimed in claim 1, it is characterised in that：The lower outlet（9）Pass through two Second seal O-ring（18）Respectively with the upper hollow porcelain insulator（2）With the lower hollow porcelain insulator（15）It is tightly connected.
- A kind of 6. pole of railway breaker as claimed in claim 1, it is characterised in that：The insulated tension pole（12）Lower end On along the circumferential direction offer annular groove, the sealed screen shield（13）It is fastened in annular groove.
- A kind of 7. pole of railway breaker as claimed in claim 1, it is characterised in that：The upper outlet（1）It is provided with recessed To the upper hollow porcelain insulator（2）Depressed part, the first ceramic screened part（4）It is arranged on depressed part and upper hollow porcelain is exhausted Edge（2）Inwall between.
- A kind of 8. pole of railway breaker as claimed in claim 1, it is characterised in that：The transition slide bar（10）With it is described Lower hollow porcelain insulator（15）Between set the second ceramic screened part（17）.
- A kind of 9. pole of railway breaker as claimed in claim 1, it is characterised in that：The upper hollow porcelain insulator（2） Upper end be further fixedly arranged on end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721131191.0U CN207149470U (en) | 2017-09-05 | 2017-09-05 | A kind of pole of railway breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721131191.0U CN207149470U (en) | 2017-09-05 | 2017-09-05 | A kind of pole of railway breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149470U true CN207149470U (en) | 2018-03-27 |
Family
ID=61677494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721131191.0U Active CN207149470U (en) | 2017-09-05 | 2017-09-05 | A kind of pole of railway breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207149470U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166756A (en) * | 2018-09-11 | 2019-01-08 | 国网新疆电力有限公司经济技术研究院 | A kind of high-performance speed vacuum circuit breaker |
| CN109586266A (en) * | 2018-12-20 | 2019-04-05 | 国网新疆电力有限公司经济技术研究院 | A kind of safe and efficient electrical equipment high-voltage and current-limitation device |
| CN112614734A (en) * | 2020-11-24 | 2021-04-06 | 天津平高智能电气有限公司 | Vacuum interrupter's shell and vacuum interrupter |
-
2017
- 2017-09-05 CN CN201721131191.0U patent/CN207149470U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166756A (en) * | 2018-09-11 | 2019-01-08 | 国网新疆电力有限公司经济技术研究院 | A kind of high-performance speed vacuum circuit breaker |
| CN109166756B (en) * | 2018-09-11 | 2019-08-23 | 国网新疆电力有限公司经济技术研究院 | A kind of high-performance speed vacuum circuit breaker |
| CN109586266A (en) * | 2018-12-20 | 2019-04-05 | 国网新疆电力有限公司经济技术研究院 | A kind of safe and efficient electrical equipment high-voltage and current-limitation device |
| CN112614734A (en) * | 2020-11-24 | 2021-04-06 | 天津平高智能电气有限公司 | Vacuum interrupter's shell and vacuum interrupter |
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