CN207834189U - A kind of electric locomotive disconnecting switch pole - Google Patents
A kind of electric locomotive disconnecting switch pole Download PDFInfo
- Publication number
- CN207834189U CN207834189U CN201820019896.1U CN201820019896U CN207834189U CN 207834189 U CN207834189 U CN 207834189U CN 201820019896 U CN201820019896 U CN 201820019896U CN 207834189 U CN207834189 U CN 207834189U
- Authority
- CN
- China
- Prior art keywords
- interface
- pole
- disconnecting switch
- switch pole
- vacuum
- 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.)
- Withdrawn - After Issue
Links
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 12
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 12
- 239000003822 epoxy resin Substances 0.000 claims abstract description 7
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 17
- 230000003068 static effect Effects 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 230000008033 biological extinction Effects 0.000 abstract 1
- 230000005684 electric field Effects 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model is related to high voltage electric equipment manufacturing technology fields, especially a kind of electric locomotive disconnecting switch pole, including ground connection pole interface, inlet interface, circuit breaker polar interface, isolated operation mechanism insulated tension pole interface, left busbar interface, vacuum interrupter, using vacuum extinction technology and solid insulation technology.Disconnecting switch pole insulating layer is epoxy resin or ethylene propylene diene rubber, is produced by the technique of vacuum pouring or pressure injection, there is semi-conductive layer in pole outer surface.Disconnecting switch pole modularized design, it is small, it is simple in structure, it is easy for installation, it is easy to combination extension.
Description
Technical field
The utility model is related to high voltage electric equipment manufacturing technology field, especially railway electrification locomotive disconnecting switch to set
It is standby.
Background technology
With the sustainable development of China's economic, important means that railway transportation is transported in Chinese transportation plays more and more long-pending
The effect of pole, and in following a period of time, Chinese railway construction will enter golden period, as the controller switching equipment of electric railway,
Also with the arrival on railway construction peak, the increasingly vigorous situation of the market demand is faced.The switchgear of railway routine is gas
Insulated metal closed switch equipment, it is larger that there are volumes, has arcing risk, heavier mass is big by external environment influence, using not
Just the problems such as.
Invention content
The purpose of this utility model is that exploitation solid insulation isolating switch pole, for solving existing railway locomotive system
The shortcomings of high-voltage switch equipment live end is exposed, affected by environment big, area occupied is big, using all insulation, hermetically sealed knot
Configuration formula realizes safety and the feature of environmental protection of locomotive product.
The technical solution of the utility model is：A kind of electric locomotive disconnecting switch pole, including ground connection pole interface, into
Line interface, circuit breaker polar interface, isolated operation mechanism insulated tension pole interface, left busbar interface, vacuum interrupter, feature exist
In：Disconnecting switch pole rear portion is inlet interface, is ground connection pole interface above middle part, and the middle part left side is left busbar interface, in
It is circuit breaker polar interface on the right of portion；There are vacuum interrupter, vacuum interrupter to have static side shielded layer, move inside disconnecting switch pole
End shield layer, movable end of vacuum arc extinguishing chamber have the connection left busbar interface that is flexible coupling, circuit breaker interface, ground connection pole interface；Keep apart
It is epoxy resin or ethylene propylene diene rubber to close pole insulating layer, is produced by the technique of vacuum pouring or pressure injection, pole
There is semi-conductive layer in outer surface.
Semi-conductive layer is filler material with powdered graphite, diluent is added using epoxy resin or ethylene propylene diene rubber as base-material
It is sprayed on insulating part outer surface after mixing to be cured, may make Nian Jie secured between insulating part and conduct piece, wearability
Height, partial discharge are small.Ethylene propylene diene monomer (EPDM) material is high strength and high hardness rubber and plastic formula, and the repeatable recycling of material uses, and belongs to environmental protection
Material.Disconnecting switch pole has perfect internal shield to press, and outer surface has uniform external shielding layer to press.Isolated operation mechanism
There is disconnecting switch movable end of vacuum arc extinguishing chamber pull rod interface in pull rod interface, is connected by pull rod, isolated operation mechanism is to keeping apart
It closes vacuum interrupter and carries out breaking-closing operating, be equipped with the circular shielded layer of ring in pull rod interface, effect is to generate divide-shut brake
Electric field shielding is conducive to the control of partial discharge in annulus.
Disconnecting switch vacuum interrupter static side shielded layer and disconnecting switch movable end of vacuum arc extinguishing chamber shielded layer set for ring circle
Meter, for the electric field of generation after circle, field distribution is uniform electric field, and corner need to carry out rounded corner processing, prevent high pointing
End electric discharge.It is also welded with pressure sensor on movable end of vacuum arc extinguishing chamber metal-back, the vacuum degree for monitoring vacuum interrupter changes.
Inlet interface, circuit breaker polar interface and left busbar interface, 3 interfaces are internal cone type.Increase silicon rubber when installation
Pad realizes the soft or hard splicing of inner cone and outer cone, improves leakproofness and insulating capacity.It is grounded pole interface, is outer bevel-type, structure
It produces, is interfaced as internal cone type solid structure for flexible technology；Disconnecting switch pole surface need to spray semi-conductive layer, and effect is
The charge that electrostatic or electrical body generate is directly grounded, surface is the equal of the earth, and isolation electrostatic is to the influence inside pole.
Shielded layer can be stainless (steel) wire, or conductive ethylene propylene diene rubber.
Disconnecting switch pole also has a kind of easy structure, including inlet interface, right busbar interface, insulated tension pole interface.It takes
Disappeared circuit breaker polar interface and left busbar interface.Right busbar interface uses outer bevel-type structure, can be with another disconnecting switch
The internal cone type respective outer side edges of the left busbar interface of pole are installed.
As the above scheme is adopted, the utility model has the advantages that compared with prior art：
1, disconnecting switch pole modularized design is easy to combination extension；
2, small, it is simple in structure, it is easy for installation, than the equipment needed for the prior art with more technology, price advantage, dimension
Shield is simple, of less demanding to operating personnel；
3, pole internal structure is succinct, and each component installation process is simple, of less demanding to site technique, is readily produced.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model disconnecting switch pole；
Fig. 2 is the vertical view of the utility model disconnecting switch pole；
Fig. 3 is the AA sectional views of the utility model disconnecting switch pole；
Fig. 4 is the schematic diagram of the no ground switch interface of the utility model.
Drawing reference numeral explanation：1, disconnecting switch pole, 2, ground connection pole interface, 3, inlet interface, 4, circuit breaker polar connects
Mouthful, 5, insulated tension pole interface, 6, left busbar interface, 7, right busbar interface, 8 outlet interface copper tips, 9, static side shielded layer, 10,
Vacuum interrupter, 11, moved end shielded layer, 12, movable end of vacuum arc extinguishing chamber, 13, semi-conductive layer, 14, insulating layer, 15, equal casting die.
Specific implementation mode
The utility model is described in further detail below in conjunction with the utility model specific attached drawing embodiment.
Embodiment 1
A kind of electric locomotive disconnecting switch pole as shown in Figure 1, Figure 2, Figure 3 shows, including ground connection pole interface 2, inlet wire connect
Mouth 3, circuit breaker polar interface 4, isolated operation mechanism insulated tension pole interface 5, left busbar interface 6, vacuum interrupter 10, feature
It is：Disconnecting switch pole rear portion is inlet interface 3, is ground connection pole interface 2 above middle part, the middle part left side is left busbar interface
6, middle part the right is circuit breaker polar interface 4；There are vacuum interrupter 10, vacuum interrupter to have static side screen inside disconnecting switch pole
Layer 9, moved end shielded layer 11 are covered, movable end of vacuum arc extinguishing chamber has be flexible coupling connection left busbar interface 6, circuit breaker polar interface 4, ground connection
Pole interface 2；1 insulating layer 14 of disconnecting switch pole is ethylene propylene diene rubber, is given birth to by the technique of vacuum pouring or pressure injection
Production, there is semi-conductive layer 13 in pole outer surface.
Semi-conductive layer 13 is filler material with powdered graphite using ethylene propylene diene rubber as base-material, and diluent is added and is uniformly mixed
After be sprayed on insulating part outer surface and cured, may make between insulating part and conduct piece it is Nian Jie securely, wearability is high, partial discharge
It is small.Ethylene propylene diene monomer (EPDM) material is high strength and high hardness rubber and plastic formula, and the repeatable recycling of material uses, and belongs to environment-friendly materials.Every
There is perfect internal shield to press from switch pole, there is uniform semi-conductive layer bonding in outer surface.
Disconnecting switch pole, left busbar interface 6 are located at the left of disconnecting switch pole 1, for patching right expansion disconnecting switch
Pole, interface are internal cone type, and flexible structure carries out crimping fixation by the hole of interface surrounding using bolt；Isolator operation
Mechanism insulated tension pole interface 5 is located at the front of disconnecting switch pole 1, passes through the connection of pull rod so that mechanism is true to disconnecting switch
Empty arc-chutes 10 carry out breaking-closing operating；Circuit breaker polar interface 4 is located at 1 right of disconnecting switch pole, and internal cone type design is flexible
Structure, flange surrounding have mounting hole, and crimping fixation is carried out using bolt；Inlet interface 3 is located at 1 right back of disconnecting switch pole,
For grafting entrance bushing；It is grounded pole interface 2 to be located above disconnecting switch pole, outer bevel-type design, flexible structure, by connecing
The hole of mouth surrounding crimps fixation using bolt with ground connection pole.
Fig. 3 is disconnecting switch pole sectional view, and 12 end of disconnecting switch movable end of vacuum arc extinguishing chamber pull rod interface is threaded,
By the fixed progress breaking-closing operating with pull rod, meanwhile, disconnecting switch movable end of vacuum arc extinguishing chamber pull rod interface 12 is justified equipped with ring
The disconnecting switch movable end of vacuum arc extinguishing chamber shielded layer 11 of shape, 11 corner of disconnecting switch movable end of vacuum arc extinguishing chamber shielded layer need to do rounding
Angle is handled, and radius of corner should be greater than being equal to 2mm, be conducive to electric fields uniform being distributed, and reduce electric field strength；In disconnecting switch vacuum
Arc-chutes rear end, i.e. static side are equipped with disconnecting switch vacuum interrupter static side shielded layer 9, are functionally equivalent to disconnecting switch vacuum and go out
Arc chamber moved end shielded layer 11；Insulating layer 14 is pole base-material, EPDM can be used, thickness should be greater than 20mm；Disconnecting switch pole
The semi-conductive layer 13 of 1 appearance of column, thickness should be greater than being equal to 4mm.
The utility model has the beneficial effects that modularized design, small, safety higher.
Embodiment 2
As shown in figure 4, disconnecting switch pole also has a kind of easy structure, including inlet interface 3, right busbar interface 7, insulation
Pull rod interface 5.Eliminate circuit breaker polar interface and left busbar interface.Right busbar interface 7 use outer bevel-type structure, can with it is another
The internal cone type respective outer side edges of the left busbar interface of one disconnecting switch pole are installed.Insulating layer 14 uses epoxide resin material.Screen
Layer is covered to be made of stainless (steel) wire.Semi-conductive layer 13 is filler material with powdered graphite, it is mixed that diluent is added with epoxy resin base-material
It is sprayed on insulating part outer surface after closing uniformly to be cured, may make Nian Jie secured between insulating part and conduct piece, wearability height,
Partial discharge is small.
Remaining technical solution is the same as embodiment 1.
Claims (4)
1. a kind of electric locomotive disconnecting switch pole, including ground connection pole interface（2）, inlet interface（3）, circuit breaker polar connects
Mouthful（4）, isolated operation mechanism insulated tension pole interface（5）, left busbar interface（6）, vacuum interrupter（10）, it is characterised in that：Every
It is inlet interface from switch pole rear portion（3）, middle part top is ground connection pole interface（2）, the middle part left side is left busbar interface
（6）, middle part the right is circuit breaker polar interface（4）；There is vacuum interrupter inside disconnecting switch pole（10）, vacuum interrupter has
Static side shielded layer（9）, moved end shielded layer（11）, movable end of vacuum arc extinguishing chamber, which has to be flexible coupling, connects left busbar interface（6）, circuit breakers pole
Column interface（4）, ground connection pole interface（2）；Disconnecting switch pole（1）Insulating layer（14）For epoxy resin or ethylene propylene diene rubber,
It is produced by the technique of vacuum pouring or pressure injection, there is semi-conductive layer in pole outer surface（13）.
2. a kind of electric locomotive disconnecting switch pole as described in claim 1, it is characterised in that：Semi-conductive layer（13）With ternary
EP rubbers is base-material, is filler material with powdered graphite, and thickness should be greater than being equal to 4mm.
3. a kind of electric locomotive disconnecting switch pole as described in claim 1, it is characterised in that：Insulating layer（14）Using epoxy
Resin material, thickness should be greater than 20mm.
4. a kind of electric locomotive disconnecting switch pole as described in claim 1, it is characterised in that：Vacuum interrupter（10）Moved end
Pressure sensor is also welded on metal-back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820019896.1U CN207834189U (en) | 2018-01-06 | 2018-01-06 | A kind of electric locomotive disconnecting switch pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820019896.1U CN207834189U (en) | 2018-01-06 | 2018-01-06 | A kind of electric locomotive disconnecting switch pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834189U true CN207834189U (en) | 2018-09-07 |
Family
ID=63391676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820019896.1U Withdrawn - After Issue CN207834189U (en) | 2018-01-06 | 2018-01-06 | A kind of electric locomotive disconnecting switch pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172455A (en) * | 2018-01-06 | 2018-06-15 | 北海银河开关设备有限公司 | A kind of electric locomotive disconnecting switch pole |
-
2018
- 2018-01-06 CN CN201820019896.1U patent/CN207834189U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172455A (en) * | 2018-01-06 | 2018-06-15 | 北海银河开关设备有限公司 | A kind of electric locomotive disconnecting switch pole |
| CN108172455B (en) * | 2018-01-06 | 2023-12-15 | 北海银河开关设备有限公司 | Isolating switch pole of electrified locomotive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180907 Effective date of abandoning: 20231215 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180907 Effective date of abandoning: 20231215 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |