CN203983136U - Indoor high-voltage vacuum circuit breaker - Google Patents
Indoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN203983136U CN203983136U CN201420429429.8U CN201420429429U CN203983136U CN 203983136 U CN203983136 U CN 203983136U CN 201420429429 U CN201420429429 U CN 201420429429U CN 203983136 U CN203983136 U CN 203983136U
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- CN
- China
- Prior art keywords
- main shaft
- cam
- lever
- casing
- connecting lever
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of indoor high-voltage vacuum circuit breaker, comprise mechanism's casing, spring operating mechanism, control device, vacuum interrupter, two insulators, upper leading-out terminal and lower wire end, spring operating mechanism comprises motor, reduction box, main shaft, tripping spring, energy storage axle, energy storage axle is provided with cam on one end, on its other end, be provided with connecting lever, between this connecting lever one end and mechanism's casing, be provided with switching-in spring, on cam, be provided with a breach, one side of this cam is provided with the combined floodgate pallet that can stop cam to rotate, the lower end of cam is provided with lever, the upper end of lever is provided with needle bearing, and one end of lever is connected with connecting rod, one end of connecting rod is arranged on the main shaft connecting lever on main shaft, one side of main shaft connecting lever is provided with the separating brake pallet that can stop main shaft connecting lever to rotate, and on main shaft, be provided with insulated tension pole, one end of insulated tension pole is connected to the lower end of vacuum interrupter.The utlity model has that simple in structure, breaking capacity is strong, the advantage of long service life.
Description
Technical field
The utility model relates to breaker technical field, is specifically related to a kind of indoor high-voltage vacuum circuit breaker.
Background technology
At present; indoor high-voltage vacuum circuit breaker is the indoor switch equipment for electric power system; as protection and the control unit of power plant, transformer station, industrial and mining enterprises' power-equipment; due to the special superiority that high-pressure vacuum breaker has, the place that is particularly useful for the frequent operation of requirement rated operational current or repeatedly cut-offs short circuit current.But the structural design of the operating mechanism of existing indoor high-voltage vacuum circuit device is reasonable not, thereby there is complex structure in this indoor high-voltage vacuum circuit breaker, cost is high, useful life is short, the defect of unstable properties, even also has the danger of blast.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, provides that a kind of simple in structure, breaking capacity is strong, the indoor high-voltage vacuum circuit breaker of stable performance, long service life.
For achieving the above object, the utility model adopts a kind of indoor high-voltage vacuum circuit breaker, comprises mechanism's casing, be arranged on the spring operating mechanism in mechanism's casing, control device, vacuum interrupter, two insulators, be separately positioned on upper leading-out terminal and the lower wire end of vacuum interrupter top and bottom, described control device comprises switching magnet, separating brake magnet, switch knob, opening button, described spring operating mechanism comprises motor, reduction box, main shaft, be arranged on the tripping spring between main shaft and mechanism's casing, the energy storage axle that can rotate under motor and reduction box driving, on described energy storage axle one end, be provided with cam, on its other end, be provided with connecting lever, between this connecting lever one end and mechanism's casing, be provided with switching-in spring, on described cam, be provided with a breach, one side of this cam is provided with the combined floodgate pallet that can stop cam to rotate, and the lower end of cam is provided with lever triangular in shape, the upper end of this lever is provided with the needle bearing coordinating with cam linkage, and one end of lever is connected with connecting rod, one end of this connecting rod is arranged on the main shaft connecting lever on main shaft, one side of main shaft connecting lever is provided with the separating brake pallet that can stop main shaft connecting lever to rotate, and on main shaft, be provided with insulated tension pole, one end of this insulated tension pole is connected to the lower end of vacuum interrupter.
Two described insulators are splayed arrangement and are supported between mechanism's casing and vacuum interrupter, and are provided with insulating support rod between the upper leading-out terminal of vacuum interrupter upper and lower side and lower wire end.
The beneficial effects of the utility model are, the spring operating mechanism of this indoor high-voltage vacuum circuit breaker can be realized the function that energy storage, energy storage keep, close a floodgate, and this indoor high-voltage vacuum circuit breaker also have advantages of simple in structure, breaking capacity strong, stable performance, long service life.And the insulator insulating by height between mechanism's casing and vacuum interrupter supports, and be supported with insulating support rod between upper leading-out terminal and lower wire end, the more compact structure of this indoor high-voltage vacuum circuit breaker and have that mechanical strength is high, the reliable advantage of electric property is set by this structure.
Brief description of the drawings
Fig. 1 is the utility model embodiment internal structure schematic diagram.
Fig. 2 is the utility model embodiment left view.
Embodiment
As Fig. 1, shown in 2, the utility model embodiment is a kind of indoor high-voltage vacuum circuit breaker, comprise mechanism's casing 10, be arranged on the spring operating mechanism in mechanism's casing 10, control device, vacuum interrupter 20, two insulators 30, be separately positioned on upper leading-out terminal 21 and the lower wire end 22 of vacuum interrupter 20 tops and bottom, described control device comprises switching magnet 60, separating brake magnet 61, switch knob, opening button, two described insulators 30 are splayed arrangement and are supported between mechanism's casing 10 and vacuum interrupter 20, and be provided with insulating support rod 23 between the upper leading-out terminal 21 of vacuum interrupter 20 upper and lower sides and lower wire end 22.The insulator 30 insulating by height between mechanism's casing 10 and vacuum interrupter 20 supports, and be supported with insulating support rod 23 between upper leading-out terminal 21 and lower wire end 22, the more compact structure of this indoor high-voltage vacuum circuit breaker and have that mechanical strength is high, the reliable advantage of electric property is set by this structure.Described spring operating mechanism comprises motor 40, reduction box 41, main shaft 50, be arranged on the tripping spring between main shaft 50 and mechanism's casing 10, the energy storage axle that can rotate under motor 40 and reduction box 41 drivings, on described energy storage axle one end, be provided with cam 44, on its other end, be provided with connecting lever 42, between these connecting lever 42 one end and mechanism's casing 10, be provided with switching-in spring 43, on described cam 44, be provided with a breach, one side of this cam 44 is provided with the combined floodgate pallet 45 that can stop cam 44 to rotate, and the lower end of cam 44 is provided with lever triangular in shape 46, the upper end of this lever 46 is provided with the needle bearing 461 being linked with cam 44, and one end of lever 46 is connected with connecting rod 47, one end of this connecting rod 47 is arranged on the main shaft connecting lever 48 on main shaft 50, one side of main shaft connecting lever 48 is provided with the separating brake pallet 49 that can stop main shaft connecting lever 48 to rotate, and on main shaft 50, be provided with insulated tension pole 51, one end of this insulated tension pole 51 is connected to the lower end of vacuum interrupter 20.
Operation principle of the present utility model is, the electrical power of this spring operating mechanism, motor and reduction box drive energy storage axle to rotate, energy storage axle band moving cam rotates, and the switching-in spring of energy storage axle one end forgotten about it peak, and switching-in spring energy storage is complete, now, closed a floodgate pallet locking of cam, cam stops operating, i.e. and it is complete that energy storage keeps.In the time that the switching magnet of control device is connected or presses switch knob, combined floodgate pallet is removed the restriction to cam, switching-in spring releases energy and drives energy storage axle to rotate, and the cam of the energy storage axle other end is pressed on the needle bearing of lever upper end, the action of lever drives connecting rod, connecting rod drives the main shaft connecting lever action on main shaft, main shaft rotates and drives insulated tension pole action, and spring operating mechanism combined floodgate is complete, in this process, the action of separating brake pallet restriction connecting lever, and tripping spring energy storage completes.In the time that the separating brake magnet of control device is connected or presses opening button, separating brake pallet is removed the restriction to connecting lever, and tripping spring releases energy and drives main shaft to rotate backward, and main shaft drives insulated tension pole action, and spring operating mechanism separating brake is complete.
Claims (2)
1. an indoor high-voltage vacuum circuit breaker, comprises mechanism's casing, be arranged on the spring operating mechanism in mechanism's casing, control device, vacuum interrupter, two insulators, be separately positioned on upper leading-out terminal and the lower wire end of vacuum interrupter top and bottom, described control device comprises switching magnet, separating brake magnet, switch knob, opening button, is characterized in that: described spring operating mechanism comprises motor, reduction box, main shaft, be arranged on the tripping spring between main shaft and mechanism's casing, the energy storage axle that can rotate under motor and reduction box driving, on described energy storage axle one end, be provided with cam, on its other end, be provided with connecting lever, between this connecting lever one end and mechanism's casing, be provided with switching-in spring, on described cam, be provided with a breach, one side of this cam is provided with the combined floodgate pallet that can stop cam to rotate, and the lower end of cam is provided with lever triangular in shape, the upper end of this lever is provided with the needle bearing coordinating with cam linkage, and one end of lever is connected with connecting rod, one end of this connecting rod is arranged on the main shaft connecting lever on main shaft, one side of main shaft connecting lever is provided with the separating brake pallet that can stop main shaft connecting lever to rotate, and on main shaft, be provided with insulated tension pole, one end of this insulated tension pole is connected to the lower end of vacuum interrupter.
2. indoor high-voltage vacuum circuit breaker according to claim 1, it is characterized in that: two described insulators are splayed arrangement and are supported between mechanism's casing and vacuum interrupter, and are provided with insulating support rod between the upper leading-out terminal of vacuum interrupter upper and lower side and lower wire end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429429.8U CN203983136U (en) | 2014-07-25 | 2014-07-25 | Indoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429429.8U CN203983136U (en) | 2014-07-25 | 2014-07-25 | Indoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983136U true CN203983136U (en) | 2014-12-03 |
Family
ID=51980562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420429429.8U Expired - Fee Related CN203983136U (en) | 2014-07-25 | 2014-07-25 | Indoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983136U (en) |
-
2014
- 2014-07-25 CN CN201420429429.8U patent/CN203983136U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20150725 |
|
| EXPY | Termination of patent right or utility model |