CN203481116U - Three-station insulating switch - Google Patents
Three-station insulating switch Download PDFInfo
- Publication number
- CN203481116U CN203481116U CN201320608677.4U CN201320608677U CN203481116U CN 203481116 U CN203481116 U CN 203481116U CN 201320608677 U CN201320608677 U CN 201320608677U CN 203481116 U CN203481116 U CN 203481116U
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- CN
- China
- Prior art keywords
- station
- left frame
- switch
- frame
- insulating
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- 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- Withdrawn - After Issue
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Abstract
The utility model belongs to the field of high-voltage electric equipment, and particularly relates to a 40.5KV three-station insulating switch. The three-station insulating switch comprises a left frame and a right frame which are integrally formed. The upper part of the left frame is provided with a switching station; the middle part is provided with an insulating station; and the lower part is provided with a grounding station. The switching station of the left frame is provided with a conductive wire-outlet copper bar. The right frame is provided with a rotatable cylinder body which is internally provided with a telescopic conductive cylinder. An end of the conductive cylinder is provided with a contact. The insulating station of the left frame is provided with a rotatable spline rotation shaft which is connected with the conductive cylinder through a rotating connecting lever. The three-station insulating switch has the following functions: realizing integrated arrangement of the insulating switch and the grounding switch, effectively reducing volume of the insulating switch, realizing a relatively compact structure, facilitating control for the volume of a whole switchgear, obtaining no interlock mechanism, reducing structure complicity of the switchgear, and facilitating manufacture.
Description
Technical field
The utility model belongs to high voltage electric equipment field, particularly a kind of isolating switch of three stations.
Background technology
At present outdoor high-voltage isolating switch in circuit power transmission and transformation system for switching in high-tension line current-carrying situation and to the high voltage bus being overhauled, the electric equipments such as circuit breaker and charged high-tension line carry out electrical equipment isolation, at present, in the power transmission and transformation system of rated voltage 40.5KV and three-phase alternating current 50HZ, public isolating switch and earthed switch are installed separately, Each performs its own functions for both, and pass through mechanical interlocking between the two, mounting means makes the volume of switch cubicle larger like this, interlock is complicated, increase complete workload, operation sequence is loaded down with trivial details, along with the upgrading of High-Voltage Electrical Appliances original paper, people have proposed new requirement to the volume of switch cubicle, this has also proposed new requirement to the structure of the inner member of switch cubicle.
Utility model content
The utility model is for the deficiencies in the prior art, designed a kind of isolating switch with three stations of integrated setting, realized the integrated setting of isolating switch and earthed switch, effectively dwindled the volume of isolating switch, structure is compact, is convenient to control the volume of whole switch cubicle, and the utility model is without interlocking device simultaneously, reduce mechanism's complexity of switch cubicle, be convenient to processing manufacture.
The utility model is achieved through the following technical solutions:
Tri-station isolating switch, it comprises left frame and correct frame, left frame and correct frame are formed in one, it is characterized in that: the top of described left frame is provided with switch bit, middle part is provided with isolated bit, bottom is provided with ground connection position, the switch bit of described left frame is provided with conduction outlet copper bar, on described correct frame, be provided with rotary cylindrical shell, in cylindrical shell, be provided with can be flexible conductive tube, the end of conductive tube is provided with contact, the isolated bit place of described left frame is provided with rotatable spline rotation axis, spline rotation axis is connected with conductive tube by rotating connecting lever.
The left end of described cylindrical shell is provided with the rotation conducting block being connected with correct frame.
Described left frame is provided with rotary the first insulating barrier, is provided with second insulating barrier that can slide in left frame, and one end of the first insulating barrier is connected with one end of the second insulating barrier.
In sum, the utlity model has following beneficial effect:
First the utility model has been realized and has been kept apart off-position, the integrated setting of earthed switch position and turn on-switch position, effectively dwindled the volume of whole tri-station isolating switch, be conducive to control the size of whole switch cubicle volume, keep apart off-position and earthed switch position integrated setting simultaneously, without interlocking device, reduced the mechanical mechanism in switch cubicle, reduced the mechanical complexity of switch cubicle, be convenient to processing, also reduced the cost of switch cubicle simultaneously, when contact is positioned at isolated bit or ground connection position, on framework, be provided with the first insulating barrier and the second insulating barrier is opened, increased the creepage distance of whole isolating switch, the insulation property of isolating switch have been improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Fig. 2 is cutaway view of the present utility model;
Fig. 3 is schematic perspective view of the present utility model;
In figure, 1 is ground connection position, and 2 is spline rotation axis, and 3 is left frame, and 4 is switch bit, and 5 is conduction outlet copper bar, 6 for rotating connecting lever, and 7 is contact, and 8 is conductive tube, and 9 is correct frame, 10 is the first insulating barrier, and 11 is the second insulating barrier, and 12 is cylindrical shell, and 13 for rotating conducting block.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Tri-station isolating switch as shown in Figure 1 to Figure 3, it comprises left frame 3 and correct frame 9, left frame 3 and correct frame 9 are formed in one, it is characterized in that: the top of described left frame 3 is provided with switch bit 4, middle part is provided with isolated bit, bottom is provided with ground connection position 1, the switch bit of described left frame 3 is provided with conduction outlet copper bar 5, on described correct frame 9, be provided with rotary cylindrical shell 12, in cylindrical shell 12, be provided with can be flexible conductive tube 8, the end of conductive tube 8 is provided with contact 7, the isolated bit place of described left frame 3 is provided with rotatable spline rotation axis 2, spline rotation axis 2 is connected with conductive tube 8 by rotating connecting lever 6.
The left end of described cylindrical shell 12 is provided with the rotation conducting block 13 being connected with correct frame.
Described left frame is provided with rotary the first insulating barrier 10, and the one end that is provided with second insulating barrier 11, the first insulating barriers 10 that can slide in left frame 3 is connected with one end of the second insulating barrier 11.
In sum, the utlity model has following beneficial effect:
First the utility model has been realized and has been kept apart off-position, the integrated setting of earthed switch position and turn on-switch position, effectively dwindled the volume of whole tri-station isolating switch, be conducive to control the size of whole switch cubicle volume, keep apart off-position and earthed switch position integrated setting simultaneously, without interlocking device, reduced the mechanical mechanism in switch cubicle, reduced the mechanical complexity of switch cubicle, be convenient to processing, also reduced the cost of switch cubicle simultaneously, when contact is positioned at isolated bit or ground connection position, on framework, be provided with the first insulating barrier and the second insulating barrier is opened, increased the creepage distance of whole isolating switch, the insulation property of isolating switch have been improved.
Claims (3)
1. tri-station isolating switch, it comprises left frame and correct frame, left frame and correct frame are formed in one, it is characterized in that: the top of described left frame is provided with switch bit, middle part is provided with isolated bit, bottom is provided with ground connection position, the switch bit of described left frame is provided with conduction outlet copper bar, on described correct frame, be provided with rotary cylindrical shell, in cylindrical shell, be provided with can be flexible conductive tube, the end of conductive tube is provided with contact, the isolated bit place of described left frame is provided with rotatable spline rotation axis, spline rotation axis is connected with conductive tube by rotating connecting lever.
2. tri-station isolating switch according to claim 1, is characterized in that: the left end of described cylindrical shell is provided with the rotation conducting block being connected with correct frame.
3. tri-station isolating switch according to claim 1, it is characterized in that: described left frame is provided with rotary the first insulating barrier, in left frame, be provided with second insulating barrier that can slide, one end of the first insulating barrier is connected with one end of the second insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608677.4U CN203481116U (en) | 2013-09-29 | 2013-09-29 | Three-station insulating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608677.4U CN203481116U (en) | 2013-09-29 | 2013-09-29 | Three-station insulating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481116U true CN203481116U (en) | 2014-03-12 |
Family
ID=50229398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320608677.4U Withdrawn - After Issue CN203481116U (en) | 2013-09-29 | 2013-09-29 | Three-station insulating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531395A (en) * | 2013-09-29 | 2014-01-22 | 江苏德春电力科技有限公司 | Three-station isolating switch |
-
2013
- 2013-09-29 CN CN201320608677.4U patent/CN203481116U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531395A (en) * | 2013-09-29 | 2014-01-22 | 江苏德春电力科技有限公司 | Three-station isolating switch |
| CN103531395B (en) * | 2013-09-29 | 2016-03-02 | 江苏德春电力科技有限公司 | Tri-station isolating switch |
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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: 20160302 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |