CN206584857U - A kind of current mechanism and vacuum circuit breaker of protection vacuum tube - Google Patents
A kind of current mechanism and vacuum circuit breaker of protection vacuum tube Download PDFInfo
- Publication number
- CN206584857U CN206584857U CN201720139563.8U CN201720139563U CN206584857U CN 206584857 U CN206584857 U CN 206584857U CN 201720139563 U CN201720139563 U CN 201720139563U CN 206584857 U CN206584857 U CN 206584857U
- Authority
- CN
- China
- Prior art keywords
- vacuum tube
- drive link
- unit
- away
- adjustment unit
- 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- Withdrawn - After Issue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
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a kind of current mechanism and vacuum circuit breaker of protection vacuum tube, the vacuum circuit breaker in insulating subunit is arranged in for vacuum tube, it is characterised in that including:Outlet end unit, open away from adjustment unit, excess of stroke spring, returning spring and driving mechanism unit;Wherein, outlet end unit is provided with drive link, and the drive link upper end is connected with vacuum tube lower end;The drive link lower end of outlet end unit is connected with opening the support contiguous block away from adjustment unit, drive link lower end and opens excess of stroke spring is provided between the support contiguous block away from adjustment unit, excess of stroke spring and opens the region being in away from adjustment unit beyond insulating subunit;Driving mechanism unit is provided with returning spring, and the returning spring is connected with opening away from adjustment unit.The mechanism Method And Principle is reliable, simple in construction, dismount easy to maintenance, highly versatile, and can effectively protect vacuum tube, it is to avoid bear the service life of extra impulsive force, extension vacuum tube and breaker.
Description
Technical field
The utility model is related to vehicle vacuum breaker, more particularly to a kind of 25kV electric railways vehicle vacuum that is used for breaks
The current mechanism and vacuum circuit breaker of the protection vacuum tube of road device.
Background technology
Vacuum circuit breaker is electrical communication or the master switch of disjunction between electric locomotive and motor-car and contact net, be locomotive and
Most important protection equipment on motor-car, when various catastrophe failures occur for vehicle, vacuum circuit breaker can rapid, reliably, safely be cut
Disconnected vehicle general supply, so as to protect vehicular electrical equipment.
Vacuum tube is the essential core component of vacuum circuit breaker, and its behaviour in service directly determines vacuum circuit breaker with performance
Device can normal work, therefore in terms of the assembling structure and operating mechanism mode of vacuum circuit breaker vacuum tube is carried out effective
Protection, which seems, to be even more important.The high-tension circuit application environment of vacuum tube determines to need to be pre-adjusted in vacuum circuit breaker assembling process
Vacuum tube open away from, the design compared with main flow is that multigroup spring of operating mechanism is directly installed on vacuum end surfaces at present,
So as to conveniently by spring force overcome the self-closing power of vacuum tube realize it is split away from preconditioning, but this scheme need it is true
The end face of blank pipe bears larger impulsive force, and long-term use is compared with acid test to the structural strength of vacuum tube and life-span.
In addition, when the outer insulator of fixed vacuum tube is structure as a whole, being limited to the factors such as space, can not entering in vacuum end surfaces
The related assembly work of the multigroup spring of row so that away from preregulated scheme there is application limitation with multigroup spring is split.
Utility model content
Based on the problems of prior art, the purpose of this utility model is to provide a kind of universal machine of protection vacuum tube
Structure and vacuum circuit breaker, can accurate adjustment vacuum tube open away from, simple in construction, reliable and stable, highly versatile, can effectively protect
Vacuum tube.
The purpose of this utility model is achieved through the following technical solutions:
The utility model embodiment provides a kind of current mechanism of protection vacuum tube, and insulator list is arranged in for vacuum tube
Vacuum circuit breaker in member, including:Outlet end unit, open away from adjustment unit, excess of stroke spring, returning spring and driving mechanism list
Member;Wherein,
The outlet end unit is provided with drive link, and the drive link upper end is connected with the vacuum tube lower end;
The drive link lower end of the outlet end unit is connected with opening the support contiguous block away from adjustment unit, under the drive link
Excess of stroke spring is provided between end and the support contiguous block opened away from adjustment unit, the excess of stroke spring is equal away from adjustment unit with opening
Region beyond the insulating subunit;
The driving mechanism unit is provided with returning spring, and the returning spring is connected with described open away from adjustment unit.
The utility model embodiment also provides a kind of vacuum circuit breaker, including:Vacuum tube and insulating subunit, vacuum tube cloth
Put in insulating subunit, including:The current mechanism of protection vacuum tube described in the utility model, the current mechanism with it is described true
Blank pipe connect, can adjust vacuum tube open away from.
The protection vacuum that the utility model embodiment is provided it can be seen from the technical scheme that above-mentioned the utility model is provided
The current mechanism of pipe, by setting the outlet end unit of organic linking, opening away from adjustment unit, excess of stroke spring, returning spring and master
Dynamic mechanism unit, can accurate adjustment vacuum tube open away from the mechanism structure is simple, and principle is reliable, vacuum tube can be avoided to bear volume
Outer impulsive force, effectively protects vacuum tube, and service life is long;Mechanism assembling is not restricted by insulator form, applied widely, is led to
It is strong with property;Overall structure is simply ingenious, dismounting and easy to maintenance, application value height.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, required in being described below to embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present utility model
Example, on the premise of not paying creative work, can also be according to these accompanying drawings for one of ordinary skill in the art
Obtain other accompanying drawings.
The current mechanism structural representation for the protection vacuum tube that Fig. 1 provides for the utility model embodiment;
The close-up schematic view of the leading-out terminal cellular construction for the current mechanism that Fig. 2 provides for the utility model embodiment;
The partial enlargement opened away from the adjustment unit structure signal for the current mechanism that Fig. 3 provides for the utility model embodiment
Figure;
In figure:1. vacuum tube;2. insulating subunit;3. excess of stroke spring;4. returning spring;5. driving mechanism unit;6. pass
Lever;7. the first terminal clamp;8. flow splitter;9. spacer pin;10. flexible fingertip;11. the second terminal clamp;12. hold-down ring;13. thread
Bar;14. bearing;15. pedestal;16. support contiguous block;A. outlet end unit;B. open away from adjustment unit.
Embodiment
With reference to particular content of the present utility model, the technical scheme in the utility model embodiment is carried out it is clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole implementation
Example.Based on embodiment of the present utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
Every other embodiment, belong to protection domain of the present utility model.
As shown in figure 1, the utility model embodiment provides a kind of current mechanism of protection vacuum tube, for vacuum tube arrangement
Vacuum circuit breaker in insulating subunit, including:Outlet end unit, open away from adjustment unit, excess of stroke spring, returning spring and master
Dynamic mechanism unit;Wherein,
Outlet end unit is provided with drive link, and the drive link upper end is connected with vacuum tube lower end;
The drive link lower end of outlet end unit is connected with opening the support contiguous block away from adjustment unit, drive link lower end and open away from
Between the support contiguous block of adjustment unit be provided with excess of stroke spring, excess of stroke spring and open away from adjustment unit be in insulating subunit with
Outer region;
Driving mechanism unit is provided with returning spring, and the returning spring is connected with opening away from adjustment unit.
As shown in Fig. 2 in above-mentioned current mechanism, outlet end unit includes:Drive link, flow splitter, compliant conductive medium,
One terminal clamp, the second terminal clamp, hold-down ring and spacer pin;Wherein,
The two ends of drive link are electric conductor, and the center section of connection two ends electric conductor is insulator;
First, second terminal clamp sets up separately in the electric conductor both sides of drive link upper end, and first and second terminal clamp passes through one respectively
Flow splitter and compliant conductive medium and the electric conductor conduction of drive link upper end are slidably connected, and the conductive physical efficiency of drive link upper end is
First, interior vertically relative motion between two terminal clamps;
Each flow splitter lower end is provided with the hold-down ring of fixing flexible conducting medium;
The electric conductor of drive link upper end above one flow splitter is provided with spacer pin.
In above-mentioned outlet end unit, compliant conductive medium is using flexible fingertip.
In above-mentioned outlet end unit, the electric conductor of drive link upper and lower end uses chromiumcopper.
As shown in figure 3, opening for above-mentioned current mechanism includes away from adjustment unit:
Support contiguous block, screw mandrel and bearing;
Support contiguous block provided with accurate adjustment open away from interface, the interface can along the drive link of outlet end unit lower end slide
It is dynamic;
Bearing is located in the pedestal of vacuum circuit breaker, and screw mandrel upper end is located in bearing, and the screw mandrel bottom is located at support connection
In the screwed hole of block.
In above-mentioned current mechanism, insulating subunit is integral type structure or assembled structure.
In above-mentioned current mechanism, returning spring includes two identical sub-springs, and is arranged symmetrically in driving mechanism unit
Both sides;
Driving mechanism unit uses electromagnet.
The utility model embodiment also provides a kind of vacuum circuit breaker, including:Vacuum tube and insulating subunit, vacuum tube cloth
Put in insulating subunit, including:The current mechanism of above-mentioned protection vacuum tube, the current mechanism is connected with vacuum tube, passed through
The energy current mechanism accurate adjustment vacuum tube open away from.
Current mechanism of the present utility model is specifically described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in FIG. 1 to 3, the current mechanism of protection vacuum tube of the present utility model includes:Vacuum tube 1, insulator list
Member 2, outlet end unit A, open away from adjustment unit B, excess of stroke spring 3, returning spring 4 and driving mechanism unit 5, wherein, leading-out terminal
Unit A is included:Drive link 6, the first terminal clamp 7, flow splitter 8, spacer pin 9, flexible fingertip 10, the second terminal clamp 11 and compression
Ring 12 etc.;Open and included away from adjustment unit B:Screw mandrel 13, bearing 14, pedestal 15 and support contiguous block 16 etc.;In addition, vacuum tube 1
Be arranged in inside insulating subunit 2, be connected with the drive link 6 in outlet end unit A, excess of stroke spring 3 be arranged on drive link 6 with
Open away between the support contiguous block 16 in adjustment unit B, and be arranged in the region beyond insulating subunit 2, driving mechanism list
Returning spring 4 is assembled in member 5, returning spring 4 is connected with opening away from adjustment unit B, complete transmission mechanism is collectively constituted, in master
Vacuum circuit breaker operation is realized in the presence of dynamic mechanism unit 5.
Sleeve mechanism includes one group of returning spring 4 and one group of excess of stroke spring 3, is arranged in the outside of insulating subunit 2, no
It is joined directly together and connects with vacuum tube 1.In the present embodiment, driving mechanism unit 5 uses solenoid actuated, and one group of returning spring 4
Comprising two identical sub-springs, and the both sides of electromagnet are arranged symmetrically in, on the premise of spring force value is ensured to greatest extent
The compactness for saving overall space size, improving vacuum circuit breaker.
Insulating subunit 2 can be integral type structure or assembled structure.In the present embodiment, insulate
Subelement 2 uses integrated resinous moulding by casting structure, while vacuum circuit breaker mechanism complexity is simplified, is conducive to drop
Low total quality.
As shown in Fig. 2 connected in outlet end unit A between flow splitter 8 and drive link 6 by compliant conductive medium, and can
Vertically relative motion.In the present embodiment, compliant conductive medium passes through hold-down ring 12 and screw using flexible fingertip 10
Installed in the inside grooves of flow splitter 8, the two ends of drive link 6 are electric conductor, and two ends electric conductor is connected by middle insulator, two
The material selection chromiumcopper of electric conductor is held, inside during installation from flexible fingertip 10 is passed through, both are while the moment is conductive
Can vertically relative motion, in addition, in the present embodiment, the first terminal clamp 7 and the second terminal clamp 11 pass through grafting
Mode is connected with the disc structure of flow splitter 8.
As shown in figure 3, open away from the support contiguous block 16 in adjustment unit B provided with accurate adjustment open away from interface, by this
Interface support contiguous block 16 can be along the lower slide of drive link 6 in outlet end unit A.In the present embodiment, contiguous block 16 is supported
On be provided with screwed hole, cooperated with screw mandrel 13, and the upper end of screw mandrel 13 insertion be inlaid in inside the bearing 14 of pedestal 15, silk
The lower end of bar 13 is provided with interior hexagonal interface, facilitates rotary screw rod 13, in assembling process, can be realized pair by rotary screw 13
Support the regulation of the upper-lower height of contiguous block 16, so drive outlet end unit A drive link 6 come realize vacuum tube 1 is opened away from
Accurate adjustment.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is defined by the protection domain of claims.
Claims (8)
1. a kind of current mechanism of protection vacuum tube, the vacuum circuit breaker in insulating subunit is arranged in for vacuum tube, it is special
Levy and be, including:Outlet end unit, open away from adjustment unit, excess of stroke spring, returning spring and driving mechanism unit;Wherein,
The outlet end unit is provided with drive link, and the drive link upper end is connected with the vacuum tube lower end;
The drive link lower end of the outlet end unit is connected with opening the support contiguous block away from adjustment unit, the drive link lower end with
Excess of stroke spring is provided between the support contiguous block opened away from adjustment unit, the excess of stroke spring is in opening away from adjustment unit
Region beyond the insulating subunit;
The driving mechanism unit is provided with returning spring, and the returning spring is connected with described open away from adjustment unit.
2. a kind of current mechanism of protection vacuum tube according to claim 1, it is characterised in that the outlet end unit bag
Include:The drive link, flow splitter, compliant conductive medium, the first terminal clamp, the second terminal clamp, hold-down ring and spacer pin;Wherein,
The two ends of the drive link are electric conductor, and the center section of connection two ends electric conductor is insulator;
First, second terminal clamp sets up the electric conductor both sides in the drive link upper end, the first and second terminal clamp difference separately
It is slidably connected by a flow splitter and compliant conductive medium and the electric conductor conduction of the drive link upper end, on the drive link
The interior vertically relative motion between first and second terminal clamp of the conductive physical efficiency at end;
Each flow splitter lower end is provided with the hold-down ring of fixing flexible conducting medium;
The electric conductor of the drive link upper end above one flow splitter is provided with spacer pin.
3. a kind of current mechanism of protection vacuum tube according to claim 2, it is characterised in that the compliant conductive medium
Using flexible fingertip.
4. the current mechanism of a kind of protection vacuum tube according to claim 2, it is characterised in that the drive link is upper and lower
The electric conductor at end uses chromiumcopper.
5. the current mechanism of a kind of protection vacuum tube according to any one of Claims 1-4, it is characterised in that described to open
Include away from adjustment unit:
The support contiguous block, screw mandrel and bearing;
The support contiguous block provided with accurate adjustment open away from interface, the interface can be along under the drive link of the outlet end unit
Slide at end;
The bearing is located in the pedestal of vacuum circuit breaker, and the screw mandrel upper end is located in the bearing, and the screw mandrel bottom is located at
In the screwed hole of the support contiguous block.
6. the current mechanism of a kind of protection vacuum tube according to any one of Claims 1-4, it is characterised in that described exhausted
Edge subelement is integral type structure or assembled structure.
7. the current mechanism of a kind of protection vacuum tube according to any one of Claims 1-4, it is characterised in that described time
Multiple spring includes two identical sub-springs, and is arranged symmetrically in the driving mechanism unit both sides;
The driving mechanism unit uses electromagnet.
8. a kind of vacuum circuit breaker, including:Vacuum tube and insulating subunit, vacuum tube are arranged in insulating subunit, its feature
It is, including:The current mechanism of protection vacuum tube described in any one of claim 1 to 7, the current mechanism and the vacuum tube
Connection, can adjust vacuum tube open away from.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720139563.8U CN206584857U (en) | 2017-02-16 | 2017-02-16 | A kind of current mechanism and vacuum circuit breaker of protection vacuum tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720139563.8U CN206584857U (en) | 2017-02-16 | 2017-02-16 | A kind of current mechanism and vacuum circuit breaker of protection vacuum tube |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206584857U true CN206584857U (en) | 2017-10-24 |
Family
ID=60090619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720139563.8U Withdrawn - After Issue CN206584857U (en) | 2017-02-16 | 2017-02-16 | A kind of current mechanism and vacuum circuit breaker of protection vacuum tube |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206584857U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106601546A (en) * | 2017-02-16 | 2017-04-26 | 北京中车赛德铁道电气科技有限公司 | Vacuum tube protecting general mechanism and vacuum circuit breaker |
-
2017
- 2017-02-16 CN CN201720139563.8U patent/CN206584857U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106601546A (en) * | 2017-02-16 | 2017-04-26 | 北京中车赛德铁道电气科技有限公司 | Vacuum tube protecting general mechanism and vacuum circuit breaker |
CN106601546B (en) * | 2017-02-16 | 2019-05-17 | 北京中车赛德铁道电气科技有限公司 | A kind of current mechanism and vacuum circuit breaker for protecting vacuum tube |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106128852B (en) | A kind of arc-chutes and the breaker using the arc-chutes | |
CN203367173U (en) | Three-in-one hard connection magnetic latching relay | |
CN102804295A (en) | Moving contact for oil-immersed load switch | |
US9384909B2 (en) | Strong current static contact device for high voltage earthing switches | |
CN206584857U (en) | A kind of current mechanism and vacuum circuit breaker of protection vacuum tube | |
CN201893279U (en) | Circuit breaker pole and insulating cylinder thereof | |
CN208796934U (en) | A kind of variable residual-current circuit breaker | |
CN202495394U (en) | Circuit breaker, switch device and power transmission system | |
CN106601546B (en) | A kind of current mechanism and vacuum circuit breaker for protecting vacuum tube | |
CN209266300U (en) | A kind of Mobile vacuum load switch and its fuse combined electric apparatus equipment | |
CN204834371U (en) | On -load tap -changer's moving contact subassembly | |
CN210956533U (en) | Three-station isolating switch for inflating cabinet | |
CN211504626U (en) | Circuit breaker fatigue test equipment | |
CN209571361U (en) | A kind of HVAC vacuum circuit breaker buffer unit | |
CN102290648B (en) | Temporary electrification emergency transitional device for distribution and transformation link | |
CN112557707A (en) | Upflow test clamp | |
CN107689305B (en) | Intelligent switch automatic test bench | |
CN202190118U (en) | Medium voltage double-power load switch | |
CN105788974A (en) | Circuit breaker used for conveniently-dismounting-type equipment and conveniently-dismounting-type pedestal used for the circuit breaker | |
CN216562913U (en) | Vacuum circuit breaker with isolation function | |
CN213124286U (en) | Oil tank pressure relay protection device of oil-immersed transformer | |
CN209516358U (en) | A kind of power distribution cabinet of anticollision good airproof performance | |
CN221327626U (en) | Impact device for auxiliary switch of high-speed circuit breaker | |
CN203631393U (en) | 800 kV high-voltage AC disconnecting switch auxiliary contact unit | |
CN209001593U (en) | A kind of novel three-phase load unbalance adjustment device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20171024 Effective date of abandoning: 20190517 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20171024 Effective date of abandoning: 20190517 |