CN209374330U - Novel equal three station double-fracture disconnecting switch of angular displacements - Google Patents
Novel equal three station double-fracture disconnecting switch of angular displacements Download PDFInfo
- Publication number
- CN209374330U CN209374330U CN201920040300.0U CN201920040300U CN209374330U CN 209374330 U CN209374330 U CN 209374330U CN 201920040300 U CN201920040300 U CN 201920040300U CN 209374330 U CN209374330 U CN 209374330U
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- China
- Prior art keywords
- isolation
- contact
- knife plate
- double end
- moving knife
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- Withdrawn - After Issue
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Abstract
The utility model relates to the novel equal three station double-fracture disconnecting switch of angular displacements of one kind, the intracorporal insulation spindle of shell is mounted on including shell and rotation, isolation movable knife rack is installed on the insulation spindle, double end isolation moving knife plate is installed on the isolation movable knife rack, the angle of two knife plates of the double end isolation moving knife plate is 120 °；Isolation upper contact head, grounding static contact and the lower contact of isolation pass through insulating contact seat and are mounted in the shell.The utility model strengthens the insulating reliability of environmentally friendly gas, optimizes the electric field structure of environmentally friendly gas looped network switch apparatus.It completes to close a floodgate, isolation, be grounded three station working conditions, but the ground connection mode of disconnecting switch changes, upper ground connection is switched to by lower ground connection.Related components have no need to change at this time, and operating mechanism and driving parts also have no need to change.
Description
Technical field
The utility model relates to the novel equal three station double-fracture disconnecting switch of angular displacements of one kind.
Background technique
Disconnecting switch is that one kind is used to connect, be isolated, converting the device contacted between electrical body and electrical appliance in circuit.
Lower contact and grounding static contact setting is isolated on same insulator in the isolation upper contact head of existing disconnecting switch, is easy to produce and climbs
Electricity and insulation degradation (technical term claims: false fracture), insulating reliability is poor.Furthermore rotate knife plate is fixedly mounted on rotation axis
On, it can not float, matching requirements are stringent, and production requirement is high, and structure is complicated, considerably increases production cost.
Utility model content
To overcome the shortcomings of existing technologies, the utility model provides the novel equal three station double-fracture of angular displacements of one kind and keeps apart
It closes, the technical solution of the utility model is:
Novel equal three station double-fracture disconnecting switch of angular displacements is mounted on the intracorporal insulation of shell including shell and rotation
Main shaft, that floats on the insulation spindle is equipped with isolation movable knife rack (3), is equipped with double end on the isolation movable knife rack (3)
It is isolated moving knife plate (2), the angle of two knife plates of double end isolation moving knife plate (2) is 120 °；Isolation upper contact head (7), ground connection are quiet
Contact (8) and isolation lower contact (9) are mounted in the shell by corresponding insulating contact seat, the isolation upper contact head,
Lower contact is isolated and grounding static contact is distributed uniformly and circumferentially, and moving knife plate is isolated with the double end rotated with insulation spindle
The dynamic cooperation of two knife plates；Main switch is provided under the isolation below contact, the main switch is breaker or on-load switch, is somebody's turn to do
It is isolated after lower contact is flexible coupling with breaker or on-load switch and realizes conductive connection.
In the groove of isolation movable knife rack (3) insertion double end isolation moving knife plate (2), and pass through screw rod (4) and double end
Isolation moving knife plate (2) links together, which is equipped with after passing through double end isolation moving knife plate (2) and isolation movable knife rack (3)
Nut (6), the head of the screw rod is isolated between moving knife plate (2) with double end and nut (6) double end is isolated between moving knife plate (2)
It is mounted on butterfly spring (5).
The isolation upper contact head (7) is symmetrical arranged with grounding static contact (8) along lower contact (9) are isolated, the isolation
Lower contact (9) is obliquely installed towards upper right side, and the isolation upper contact head (7) and grounding static contact (8) are integrally arranged in splayed；
The isolation upper contact head (7) that switches on of the wherein knife plate swing of double end isolation moving knife plate (2) is isolated with described
Between lower contact (9), another knife plate of double end isolation moving knife plate (2) swing switch under the isolation contact (9) with
Between the grounding static contact (8).
Contact (9) is symmetrical arranged with grounding static contact (8) along upper contact head (7) are isolated under the isolation, the isolation
Upper contact head (7) is arranged along the vertical direction downward, and contact (9) is integrally in the shape of the letter V with grounding static contact (8) and sets under the isolation
It sets；A wherein knife plate for double end isolation moving knife plate (2) swings the isolation upper contact head (7) described in switching on is isolated with described
Between lower contact (9), another knife plate of double end isolation moving knife plate (2) swing switch on the isolation upper contact head (7) with
Between the grounding static contact (8).
For the isolation movable knife rack (3) and insulation spindle (1) by relocation mechanism clearance fit, which includes exhausted
Edge abutment sleeve and elastic steel pin, the isolation movable knife rack are mounted on insulation spindle；On the insulation spindle, along exhausted
The axis upward sliding of edge main shaft is set with insulating positioning sleeve cylinder, and Elastic Steel pin connection is in insulating positioning sleeve cylinder and insulation spindle
(1) between.The utility model has the advantages that: lower contact and grounding static contact setting is isolated corresponding in isolation upper contact head
It on insulating contact seat, is come by air insulated, forms air fracture, complete gas gap isolation is same without being mounted in
On one insulator, prevents to climb electricity and insulation degradation, strengthen the insulating reliability of environmentally friendly gas, optimize environmentally friendly Ring
The insulation system of net switchgear.Furthermore double end isolation moving knife plate be by isolation movable knife rack floating mount on insulation spindle,
It is easy installation, interference phenomenon caused by installation error can be eliminated, can moderately amplify double end isolation moving knife plate and touch with being isolated
Head, be isolated between lower contact and grounding static contact three cooperation precision, and reduce machining accuracy.And structure is more simple
It is single, achieve the purpose that reduce production cost.Meanwhile when being applied to higher voltage grade, 40.5kV gas-insulated ring network switch is set
It is standby upper, it can more embody advantage of this insulation system in high voltage electric field design.
Detailed description of the invention
Fig. 1 is the agent structure schematic diagram of the first embodiment of the utility model.
Fig. 2 is the agent structure schematic diagram of second of embodiment of the utility model.
Fig. 3 is assembly relation schematic diagram movable knife rack is isolated in Fig. 1 or Fig. 2, moving knife plate is isolated with double end.
Fig. 4 is the side view of Fig. 3.
Specific embodiment
Further describe the utility model combined with specific embodiments below, the advantages of the utility model and feature will be with
Description and it is apparent.But examples are merely exemplary for these, does not constitute any restrictions to the scope of the utility model.
It will be understood by those skilled in the art that can be to the utility model skill under the spirit and scope without departing from the utility model
The details and form of art scheme are modified or are replaced, but these modifications and replacement each fall within the protection scope of the utility model
It is interior.
Referring to Fig. 1 to Fig. 4, the utility model relates to novel equal three station double-fracture disconnecting switch of angular displacements, including shell
And what is rotated is mounted on the intracorporal insulation spindle of shell, that floats on the insulation spindle is equipped with isolation movable knife rack 3, at this
Double end isolation moving knife plate 2 is installed, the angle of two knife plates of the double end isolation moving knife plate 2 is 120 ° on isolation movable knife rack 3；Every
From upper contact head 7, grounding static contact 8 and under being isolated, contact 9 is mounted in the shell by corresponding insulating contact seat, should
Isolation upper contact head, be isolated lower contact and grounding static contact be distributed uniformly and circumferentially (specially isolation upper contact head be isolated under
Angle between contact is 60 °, and the angle being isolated between upper contact head and grounding static contact is 60 °, grounding static contact be isolated under
Angle between contact is 60 °), and the dynamic cooperation of two knife plates that moving knife plate is isolated with the double end rotated with insulation spindle；It is described every
From being provided with main switch 12 below lower contact, the main switch 12 is breaker or on-load switch 13, under the isolation contact 9 with
Breaker or on-load switch are realized after being flexible coupling and are conductively connected.
The isolation movable knife rack 3 is embedded in the groove of double end isolation moving knife plate 2, and is isolated by screw rod 4 with double end and is moved
Knife plate 2 links together, which is equipped with nut 6 after passing through double end isolation moving knife plate 2 and isolation movable knife rack 3, the screw rod
Head be isolated between moving knife plate 2 with double end and 6 double end of nut isolation moving knife plate 2 between be mounted on butterfly spring 5.
As shown in Figure 1, the isolation upper contact head 7 is symmetrical arranged with grounding static contact 8 along lower contact 9 is isolated, it is described
Lower contact 9 is isolated to be obliquely installed towards upper right side, the isolation upper contact head 7 and 8 entirety of grounding static contact are arranged in splayed；Institute
That states that the wherein knife plate of double end isolation moving knife plate 2 swings switches on the isolation upper contact head 7 and contact 9 under the isolation
Between, another knife plate of the double end isolation moving knife plate 2, which is swung, switches on contact 9 and the grounding static contact under the isolation
Between 8.
As shown in Fig. 2, contact 9 is symmetrical arranged with grounding static contact 8 along upper contact head 7 is isolated under the isolation, it is described
Isolation upper contact head 7 is arranged along the vertical direction downward, and contact 9 is set with whole be in the shape of the letter V of grounding static contact 8 under the isolation
It sets；A wherein knife plate for double end isolation moving knife plate 2 swing switch on the isolation upper contact head 7 under the isolation
Between contact 9, another knife plate of the double end isolation moving knife plate 2, which is swung, switches on the isolation upper contact head 7 and the ground connection
Between static contact 8.
For the isolation movable knife rack 3 and insulation spindle 1 by relocation mechanism clearance fit, which includes that insulation is fixed
Position sleeve and elastic steel pin, the isolation movable knife rack are mounted on insulation spindle；On the insulation spindle, along insulation master
The axis upward sliding of axis is set with insulating positioning sleeve cylinder, and Elastic Steel pin connection is between insulating positioning sleeve cylinder and insulation spindle 1.
Insulation spindle 1 is that epoxy glass fiber winds impregnation hexagon insulating bar, and insulation performance and mechanical strength are full
The demand of foot switch operation.For this disconnecting switch main shaft, the support and positioning of double end isolation moving knife plate 2 are provided.Meanwhile this is absolutely
Edge main shaft 1 undertakes the transmitting of isolation movable knife rack rotation torque.
The moving contact that moving knife plate 2 is disconnecting switch is isolated in double end, and in closing position, carrying main circuit current is either connect
The short-circuit impact electric current of earth-return.Double end isolation moving knife plate 2 is fixed on isolation movable knife rack 3.
Insulating contact seat is the compression molding of high-strength nylon insulating materials, to isolation upper contact head 7, lower contact 9 is isolated and connects
Ground static contact 8 provides support, while providing being reliably fixed under dynamic and thermal stability effect for three-phase major loop conducting copper 11.
The working principle of the utility model is: changing isolation upper contact head 7, lower contact 9 and grounding static contact 8 being isolated and double
The initial isolated location of head isolation moving knife plate, so that it may change circuit earthing mode, complete upper incoming line ground connection.
As depicted in figs. 1 and 2, shown current location is isolated location, and the moving knife plate of double end isolation at this time does not contact any quiet
Contact, for the middle position of suspension.Therefore, all current potentials are locked on static contact, can limit the extension of electric field well.At
For the double-fracture isolation of high reliability, seperating safety is better than existing hilted broadsword type disconnecting switch.(existing hilted broadsword type
Disconnecting switch, moving knife plate or be high potential, or be ground potential, always in electric field directly effect under.)
By taking Fig. 1 as an example, circumferentially 360 ° uniformly for static contact (lower contact 9 and grounding static contact 8 is isolated in isolation upper contact head 7)
Distribution, becomes the space layout of 120 ° of equal parts.The angle that two knife plates of moving knife plate are isolated in double end is 120 °, with corresponding static contact
Space layout matching.When double end isolation moving knife plate rotates clockwise 60 °, a wherein knife plate for double end isolation moving knife plate be isolated under
Contact, another knife plate are contacted with isolation upper contact head, realize closing position.Under current location, 60 ° of rotation counterclockwise, double end
The wherein knife plate that moving knife plate is isolated is contacted with lower contact, another knife plate is isolated with grounding static contact, is grounded position.
It as closes a floodgate, be isolated, ground connection tri-station isolating switch.
Claims (6)
1. novel equal three station double-fracture disconnecting switch of angular displacements, which is characterized in that be mounted on shell including shell and rotation
Intracorporal insulation spindle, that floats on the insulation spindle is equipped with isolation movable knife rack (3), on the isolation movable knife rack (3)
Double end isolation moving knife plate (2) is installed, the angle of two knife plates of double end isolation moving knife plate (2) is 120 °；Upper contact head is isolated
(7), grounding static contact (8) and lower contact (9) be isolated be mounted on by corresponding insulating contact seat in the shell, be somebody's turn to do every
From upper contact head, lower contact is isolated and grounding static contact is distributed uniformly and circumferentially, and with the double end that is rotated with insulation spindle every
The dynamic cooperation of two knife plates from moving knife plate；Be provided with main switch under the isolation below contact, the main switch be breaker or
On-load switch, contact and breaker or on-load switch are realized after being flexible coupling and are conductively connected under the isolation.
2. novel equal three station double-fracture disconnecting switch of angular displacements according to claim 1, which is characterized in that it is described every
In groove from movable knife rack (3) insertion double end isolation moving knife plate (2), and moving knife plate (2) connection is isolated with double end by screw rod (4)
Together, which is equipped with nut (6) after passing through double end isolation moving knife plate (2) and isolation movable knife rack (3), the screw rod
Head be isolated between moving knife plate (2) with double end and nut (6) double end isolation moving knife plate (2) between be mounted on butterfly spring
(5)。
3. novel equal three station double-fracture disconnecting switch of angular displacements according to claim 1 or 2, which is characterized in that described
Isolation upper contact head (7) and grounding static contact (8) along lower contact (9) be isolateds arranged symmetrically, contact (9) direction under the isolation
Upper right side is obliquely installed, and the isolation upper contact head (7) and grounding static contact (8) are integrally arranged in splayed；The double end isolation is dynamic
What a wherein knife plate for knife plate (2) was swung switches between the isolation upper contact head (7) and contact under the isolation (9),
Another knife plate of double end isolation moving knife plate (2), which is swung, switches on contact (9) and the grounding static contact under the isolation
(8) between.
4. novel equal three station double-fracture disconnecting switch of angular displacements according to claim 1 or 2, which is characterized in that described
Isolation under contact (9) and grounding static contact (8) it is arranged symmetrically along upper contact head (7) be isolateds, the isolation upper contact head (7) is downward
Just it is arranged along the vertical direction, contact (9) and grounding static contact (8) whole setting that is in the shape of the letter V under the isolation；The double end every
A wherein knife plate from moving knife plate (2) swing switch on the isolation upper contact head (7) and contact under the isolation (9) it
Between, another knife plate of double end isolation moving knife plate (2), which is swung, switches on the isolation upper contact head (7) and the ground connection stationary contact
Between head (8).
5. novel equal three station double-fracture disconnecting switch of angular displacements according to claim 3, which is characterized in that it is described every
From movable knife rack (3) and insulation spindle (1) by relocation mechanism clearance fit, which includes insulating positioning sleeve cylinder and elasticity
Steel pin, the isolation movable knife rack are mounted on insulation spindle；On the insulation spindle, the axis along insulation spindle is slid up
Dynamic is set with insulating positioning sleeve cylinder, and Elastic Steel pin connection is between insulating positioning sleeve cylinder and insulation spindle (1).
6. novel equal three station double-fracture disconnecting switch of angular displacements according to claim 4, which is characterized in that it is described every
From movable knife rack (3) and insulation spindle (1) by relocation mechanism clearance fit, which includes insulating positioning sleeve cylinder and elasticity
Steel pin, the isolation movable knife rack are mounted on insulation spindle；On the insulation spindle, the axis along insulation spindle is slid up
Dynamic is set with insulating positioning sleeve cylinder, and Elastic Steel pin connection is between insulating positioning sleeve cylinder and insulation spindle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040300.0U CN209374330U (en) | 2019-01-10 | 2019-01-10 | Novel equal three station double-fracture disconnecting switch of angular displacements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040300.0U CN209374330U (en) | 2019-01-10 | 2019-01-10 | Novel equal three station double-fracture disconnecting switch of angular displacements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374330U true CN209374330U (en) | 2019-09-10 |
Family
ID=67825206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920040300.0U Withdrawn - After Issue CN209374330U (en) | 2019-01-10 | 2019-01-10 | Novel equal three station double-fracture disconnecting switch of angular displacements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374330U (en) |
-
2019
- 2019-01-10 CN CN201920040300.0U patent/CN209374330U/en not_active Withdrawn - After Issue
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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: 20190910 Effective date of abandoning: 20230912 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190910 Effective date of abandoning: 20230912 |