CN203481130U - Vacuum circuit breaker operating device - Google Patents
Vacuum circuit breaker operating device Download PDFInfo
- Publication number
- CN203481130U CN203481130U CN201320593054.4U CN201320593054U CN203481130U CN 203481130 U CN203481130 U CN 203481130U CN 201320593054 U CN201320593054 U CN 201320593054U CN 203481130 U CN203481130 U CN 203481130U
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- CN
- China
- Prior art keywords
- pilot sleeve
- operating device
- moving knife
- circuit breaker
- arm
- 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- Withdrawn - After Issue
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a vacuum circuit breaker operating device, which comprises a shell, a guiding device, a driving arm, and a transmission main shaft, wherein the shell is internally provided with an empty cavity; the guiding device is arranged inside the empty cavity and can move up and down along the inner wall of the empty cavity; a long through hole is arranged on the shell; the long through hole is arranged in parallel to the center line of the empty cavity; the driving arm is arranged inside the long through hole; one end of the driving arm is connected with the guiding device, and the other end is hinged with one end of a connection rod; the other end of the connection rod is hinged with one end of a moving knife arm; the transmission main shaft is arranged at the other end of the moving knife arm; and the transmission main shaft can drive the moving knife arm to rotate. According to the vacuum circuit breaker operating device, up and down swinging of the moving knife arm can be changed into reciprocating linear motion of a moving contact of a vacuum arc-quenching chamber. The energy passing mode only needs one operating device, and the energy utilization rate of the entire switch gear is high.
Description
Technical field
The utility model relates to the improvement of the operating means that a kind of vacuum circuit-breaker uses, refers in particular to a kind ofly swinging up and down of moving knife arm to be converted into the linear reciprocating motion of vacuum interrupter moving contact, and the higher vacuum circuit breaker operating device of the utilance of energy.
Background technology
The structure of existing switchgear all adopts two-part structure, that is: switchgear comprises the main electric loop that isolating switch part, vacuum circuit-breaker part and electric conductor coupling part form, in general need to adopt two operating means with respectively to the energy of isolating switch part and vacuum circuit-breaker partial response, guarantee normal on/off switch.The shortcoming of prior art is: existing vacuum circuit breaker operating mechanism generally adopts spring operating mechanism, the energy that spring operating mechanism is exported and the movement travel of vacuum interrupter moving contact are to be inversely proportional to, stroke is longer, energy is fewer, it is the curve of a decay, and the required energy of vacuum circuit-breaker is to be directly proportional to moving contact movement travel, stroke is longer, and energy is larger; The very large energy of needs when this just causes spring operating mechanism initial, guarantee when moving contact motion finishes, energy after decay also can meet the required ceiling capacity of moving contact, this causes the loss of energy in switchgear very large, the needed spring strength of operating mechanism is very large, has increased the cost of whole switchgear.
Utility model content
The utility model object is in order to overcome the deficiencies in the prior art, to provide a kind of swinging up and down of moving knife arm to be converted into the linear reciprocating motion of vacuum interrupter moving contact, and the higher vacuum circuit breaker operating device of the utilance of energy.
For achieving the above object, the technical solution adopted in the utility model is: a kind of vacuum circuit breaker operating device, comprises housing, guider, actuating arm, transmission main shaft; In described housing, be provided with cavity; Described guider is arranged in cavity, and can move up and down along the inwall of cavity; On described housing, be provided with rectangular through hole; The center line of described rectangular through hole and cavity be arranged in parallel; Described actuating arm is arranged in rectangular through hole, and one end of described actuating arm is connected with guider, one end hinge of the other end and connecting rod; One end hinge of the other end of described connecting rod and moving knife arm, described transmission main shaft is arranged on the other end of moving knife arm; Described transmission main shaft can drive the rotation of moving knife arm.
Preferably, described guider, comprises pilot sleeve; On described pilot sleeve, be arranged with fairlead; On the excircle of described fairlead, be provided with guide ring; Described guide ring contacts with the inside of cavity; Described actuating arm is set on pilot sleeve.
Preferably, the below of described pilot sleeve is provided with moved end copper part; In described pilot sleeve, be provided with screw rod; The upper end of described screw rod is fixed on the upper end of pilot sleeve; The lower end of described screw rod passes the lower end of pilot sleeve, and is connected with the upper end of vacuum interrupter moving contact through moved end copper part; On described screw rod, be arranged with spring; The upper end of described spring contacts with the top of pilot sleeve, and lower end contacts with moved end copper part.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Vacuum circuit breaker operating device described in the utility model, swinging up and down of moving knife arm can be converted into the linear reciprocating motion of vacuum interrupter moving contact, the mode of the energy transmission of the utility model scheme only needs an operating means, and in whole switchgear, the utilance of energy is very high.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the front view of the gate-dividing state of vacuum circuit breaker operating device described in the utility model;
Accompanying drawing 2 is the enlarged drawing of the A-A cutaway view of accompanying drawing 1;
Accompanying drawing 3 is the front view of the "on" position of vacuum circuit breaker operating device described in the utility model;
Accompanying drawing 4 is the enlarged drawing of the B-B cutaway view of accompanying drawing 3;
Wherein: 1, transmission main shaft; 2, moving knife arm; 3, connecting rod; 4, actuating arm; 5, vacuum interrupter moving contact; 6, moved end copper part; 7, screw rod; 8, spring; 9, pilot sleeve; 10, fairlead; 11, guide ring; 12, vacuum interrupter fixed contact; 13, housing.
embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing 1-4 is a kind of vacuum circuit breaker operating device described in the utility model, comprises housing 13, guider, actuating arm 4, transmission main shaft 1; In described housing 13, be provided with cavity (not marking); Described guider is arranged in cavity, and can move up and down along the inwall of cavity; On described housing 13, be provided with rectangular through hole (not marking); The center line of described rectangular through hole and cavity be arranged in parallel; Described actuating arm 4 is arranged in rectangular through hole, and one end of described actuating arm 4 is connected with guider, one end hinge of the other end and connecting rod 3; One end hinge of the other end of described connecting rod 3 and moving knife arm 2, described transmission main shaft 1 is arranged on the other end of moving knife arm 2; Described transmission main shaft 1 can drive 2 rotations of moving knife arm; Described guider, comprises pilot sleeve 9; On described pilot sleeve 9, be arranged with fairlead 10; On the excircle of described fairlead 10, be provided with guide ring 11; Described guide ring 11 contacts with the inside of cavity; Described actuating arm 4 is set on pilot sleeve 9; The below of described pilot sleeve 9 is provided with moved end copper part 6; In described pilot sleeve 9, be provided with screw rod 7; The upper end of described screw rod 7 is fixed on the upper end of pilot sleeve 9; The lower end of described screw rod 7 passes the lower end of pilot sleeve 9, and is connected with the upper end of vacuum interrupter moving contact 5 through moved end copper part 6; On described screw rod 7, be arranged with spring 8; The upper end of described spring 8 contacts with the top of pilot sleeve 9, and lower end contacts with moved end copper part 6.When guider moves downward, can drive moved end copper part 6 and vacuum interrupter moving contact to move downward, so that vacuum interrupter moving contact 5 contacts with the vacuum interrupter fixed contact 12 under being arranged on it.
The energy transfer mode of vacuum circuit breaker operating device described in the utility model:
If current state is in gate-dividing state, as shown in accompanying drawing 1,2; Now to enter "on" position from gate-dividing state, operating mechanism releases energy, energy rotates by transmission main shaft 1, drive moving knife arm 2 motion clockwise, as shown in Figure 1, moving knife arm 2 drives guider to move downward by connecting rod 3, until vacuum interrupter moving contact 5 contacts with the vacuum interrupter fixed contact 12 under being arranged on it; The now motion of guider belongs to impact, has very large momentum, completes the feed motion of vacuum interrupter, as shown in Figure 4.
If current state is in "on" position, as shown in accompanying drawing 3,4; Now to enter gate-dividing state from "on" position, operating mechanism releases energy, energy rotates by transmission main shaft 1, drive moving knife arm to move counterclockwise, as shown in Figure 3, moving knife arm 2 drives guider to move upward by connecting rod 3, drives vacuum interrupter moving contact 5 also to move upward when guider moves upward, thereby complete separating brake action, as shown in Figure 2.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Vacuum circuit breaker operating device described in the utility model, swinging up and down of moving knife arm can be converted into the linear reciprocating motion of vacuum interrupter moving contact, the mode of the energy transmission of the utility model scheme only needs an operating means, and in whole switchgear, the utilance of energy is very high.
Below be only concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
Claims (3)
1. a vacuum circuit breaker operating device, is characterized in that: comprise housing, guider, actuating arm, transmission main shaft; In described housing, be provided with cavity; Described guider is arranged in cavity, and can move up and down along the inwall of cavity; On described housing, be provided with rectangular through hole; The center line of described rectangular through hole and cavity be arranged in parallel; Described actuating arm is arranged in rectangular through hole, and one end of described actuating arm is connected with guider, one end hinge of the other end and connecting rod; One end hinge of the other end of described connecting rod and moving knife arm, described transmission main shaft is arranged on the other end of moving knife arm; Described transmission main shaft can drive the rotation of moving knife arm.
2. vacuum circuit breaker operating device according to claim 1, is characterized in that: described guider, comprises pilot sleeve; On described pilot sleeve, be arranged with fairlead; On the excircle of described fairlead, be provided with guide ring; Described guide ring contacts with the inside of cavity; Described actuating arm is set on pilot sleeve.
3. vacuum circuit breaker operating device according to claim 2, is characterized in that: the below of described pilot sleeve is provided with moved end copper part; In described pilot sleeve, be provided with screw rod; The upper end of described screw rod is fixed on the upper end of pilot sleeve; The lower end of described screw rod passes the lower end of pilot sleeve, and is connected with the upper end of vacuum interrupter moving contact through moved end copper part; On described screw rod, be arranged with spring; The upper end of described spring contacts with the top of pilot sleeve, and lower end contacts with moved end copper part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593054.4U CN203481130U (en) | 2013-09-25 | 2013-09-25 | Vacuum circuit breaker operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593054.4U CN203481130U (en) | 2013-09-25 | 2013-09-25 | Vacuum circuit breaker operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481130U true CN203481130U (en) | 2014-03-12 |
Family
ID=50229412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320593054.4U Withdrawn - After Issue CN203481130U (en) | 2013-09-25 | 2013-09-25 | Vacuum circuit breaker operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489704A (en) * | 2013-09-25 | 2014-01-01 | 苏州朗格电气有限公司 | Operating device for vacuum circuit breaker |
-
2013
- 2013-09-25 CN CN201320593054.4U patent/CN203481130U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489704A (en) * | 2013-09-25 | 2014-01-01 | 苏州朗格电气有限公司 | Operating device for vacuum circuit breaker |
| CN103489704B (en) * | 2013-09-25 | 2015-12-16 | 苏州朗格电气有限公司 | A kind of vacuum circuit breaker operating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20151216 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |