CN211062644U - Aerify cabinet circuit breaker with three-station isolator - Google Patents
Aerify cabinet circuit breaker with three-station isolator Download PDFInfo
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- CN211062644U CN211062644U CN201921768482.XU CN201921768482U CN211062644U CN 211062644 U CN211062644 U CN 211062644U CN 201921768482 U CN201921768482 U CN 201921768482U CN 211062644 U CN211062644 U CN 211062644U
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- circuit breaker
- push rod
- main shaft
- vacuum
- isolator
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Abstract
The utility model discloses an aerify cabinet circuit breaker with three station isolator, including vacuum circuit breaker and three station isolator, vacuum circuit breaker on be equipped with the circuit breaker main shaft, be equipped with the bearing on its circuit breaker main shaft, this bearing is arranged in the metal support both sides, is equipped with a push rod below this circuit breaker, the oblique below of a push rod be equipped with b push rod, b push rod below be equipped with vacuum bubble move pole, vacuum bubble move pole both sides be equipped with the flexible coupling of being qualified for the next round of competitions, vacuum circuit breaker downside be equipped with vacuum bubble incoming line contact, isolator by isolator main shaft, isolator move the sword, incoming line flexible coupling and isolator ground contact constitute; the utility model has the advantages of simple and reasonable structure, through the combination between the pole is moved to circuit breaker main shaft, a push rod, b push rod and vacuum bubble, changed the transmission mode of circuit breaker divide-shut brake power, increase the bearing simultaneously on the circuit breaker main shaft, reduce frictional force widely, improve the product precision, also reduced the torsion of combined floodgate.
Description
Technical Field
The utility model relates to an aerify cabinet circuit breaker with three station isolator belongs to medium voltage switchgear technical field.
Background
With the development of national power grids, terminal power distribution capacity is larger and larger, a common SF6 gas-filled cabinet breaker switch is 630A and cannot meet use requirements, so that development of a large-capacity 1250A and a SF6 gas-filled cabinet breaker switch are necessary, the SF6 gas-filled cabinet breaker switch 630A is longitudinally distributed at present, switching-on and switching-off of three vacuum bubbles are completed by penetrating 3 plane cams on an insulating shaft and rotating, a mechanism matched with the design needs to output large torque to complete, if the SF6 gas-filled cabinet breaker switch of 1250A needs larger torque, due to space limitation, the torque output cannot be increased by increasing the volume of a product, and the problem that the large-capacity 1250 circuit breaker can normally work by using smaller torque is solved.
Disclosure of Invention
Technical problem to be solved
In order to solve the problem, the utility model provides a simple structure is reasonable, through the combination between circuit breaker main shaft, a push rod, b push rod and the vacuum bubble move the pole, has changed the transmission mode of circuit breaker divide-shut brake power, increases the bearing simultaneously on the circuit breaker main shaft, reduces frictional force widely, improves the product precision, has also reduced the gas insulated switchgear circuit breaker switch of the torsion of combined floodgate.
(II) technical scheme
The utility model discloses an aerify cabinet circuit breaker with three station isolator, including vacuum circuit breaker and three station isolator, vacuum circuit breaker on be equipped with the circuit breaker main shaft, be equipped with the bearing on this circuit breaker main shaft, the metal support both sides are arranged in to this bearing, the main shaft pass the metal support and link to each other with operating device, this circuit breaker below is equipped with an a push rod, the oblique below of a push rod b push rod is equipped with the b push rod, b push rod below vacuum bubble move the pole, vacuum bubble move the pole both sides and be equipped with the flexible coupling of being qualified for the next round of competitions, the vacuum circuit breaker downside vacuum bubble incoming line contact is equipped with, isolator move sword, incoming line flexible coupling and isolator ground contact by isolator main shaft, isolator and constitute.
Furthermore, the movable knife of the vacuum circuit breaker and the isolating switch are arranged on a metal bracket, so that the product precision is ensured, and the vacuum circuit breaker and the isolating switch are convenient to install.
Furthermore, the main shaft of the isolating switch transmits the torque to the moving blade of the isolating switch, so that the isolating switch is switched on or grounded, the operating mechanism transmits the torque to the main shaft of the circuit breaker, and the circuit breaker can be switched on or switched off, and when the isolating switch and the vacuum circuit breaker are both in the switching-on position, the current is input from the soft connection part of the incoming line and output from the soft connection part of the outgoing line.
Furthermore, the circuit breaker main shaft, the push rod a, the push rod b and the vacuum bubble moving rod form a four-bar linkage, when the rotating torque generated by the operating mechanism is transmitted to the circuit breaker main shaft, the push rod a pushes the push rod b to generate a larger downward thrust to push the vacuum bubble moving rod to close the vacuum bubble moving rod, and the torque required by the vacuum circuit breaker for opening and closing is reduced.
Furthermore, the rated current of the vacuum circuit breaker is 1250A, the rated voltage is 12kV, the rated current of the isolating switch is 1250A, and the rated voltage is 12 kV.
(III) advantageous effects
Compared with the prior art, the utility model, it has following beneficial effect: the utility model has the advantages of simple and reasonable structure, through the combination between the pole is moved to circuit breaker main shaft, a push rod, b push rod and vacuum bubble, changed the transmission mode of circuit breaker divide-shut brake power, increase the bearing simultaneously on the circuit breaker main shaft, reduce frictional force widely, improve the product precision, also reduced the torsion of combined floodgate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a complete structural schematic diagram of the present invention.
1-a circuit breaker main shaft; 2-a bearing; 3-a push rod; 4-b a push rod; 5-flexible connection of outgoing lines; 6-disconnecting switch grounding contact; 7-incoming line flexible connection; 8-isolating switch main shaft; 9-isolating switch moving knife; 10-vacuum bubble incoming line contact; 11-vacuum bubble rod.
Detailed Description
The gas-filled tank circuit breaker with the three-station disconnecting switch comprises a vacuum circuit breaker and the three-station disconnecting switch, wherein a circuit breaker main shaft 1 is arranged on the vacuum circuit breaker, a bearing 2 is arranged on the circuit breaker main shaft 1, the bearing 2 is arranged on two sides of a metal support, the main shaft penetrates through the metal support to be connected with an operating mechanism, an a push rod 3 is arranged below the circuit breaker, a push rod 4 b is arranged below the push rod 3 a in an inclined mode, a vacuum bubble moving rod 11 is arranged below the push rod 4 b, outlet wire flexible connections 5 are arranged on two sides of the vacuum bubble moving rod 11, a vacuum bubble inlet contact 10 is arranged on the lower side of the vacuum circuit breaker, and the disconnecting switch consists of a disconnecting switch main shaft 8, a disconnecting switch moving blade 9, an inlet wire flexible connection 7 and a disconnecting switch grounding contact 6;
the vacuum circuit breaker and the isolating switch moving blade 9 are arranged on a metal bracket, so that the product precision is ensured and the installation is convenient;
the isolating switch main shaft 8 transmits torsion to the isolating switch moving blade 9, so that the isolating switch is switched on or grounded, the operating mechanism transmits the torsion to the breaker main shaft 1, and the breaker can be switched on or switched off, when the isolating switch and the vacuum breaker are both in the switching-on position, current is input from the incoming line flexible connection 7 and is output from the outgoing line flexible connection 5;
the circuit breaker main shaft 1, the push rod 3 a, the push rod 4 b and the vacuum bubble moving rod 11 form a four-bar linkage, when the rotating torque generated by the operating mechanism is transmitted to the circuit breaker main shaft 1, the push rod 3 a pushes the push rod 4 b to generate a larger downward thrust to push the vacuum bubble moving rod 11 to be switched on, and the torque required by switching on and off of the vacuum circuit breaker is reduced;
the rated current of the vacuum circuit breaker is 1250A, the rated voltage is 12kV, the rated current of the isolating switch is 1250A, and the rated voltage is 12 kV.
The utility model has the advantages of simple and reasonable structure, through the combination between the pole is moved to circuit breaker main shaft, a push rod, b push rod and vacuum bubble, changed the transmission mode of circuit breaker divide-shut brake power, increase the bearing simultaneously on the circuit breaker main shaft, reduce frictional force widely, improve the product precision, also reduced the torsion of combined floodgate.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (5)
1. The utility model provides an aerify cabinet circuit breaker with three station isolator, includes vacuum circuit breaker and three station isolator, its characterized in that: vacuum circuit breaker on be equipped with circuit breaker main shaft (1), bearing (2) are equipped with on this circuit breaker main shaft (1), the metal support both sides are arranged in this bearing (2), the main shaft pass the metal support and link to each other with operating device, this circuit breaker below is equipped with a push rod (3), oblique below of a push rod (3) b push rod (4) are equipped with, b push rod (4) below be equipped with vacuum bubble and move pole (11), vacuum bubble move pole (11) both sides and be equipped with outlet wire flexible coupling (5), the vacuum circuit breaker downside vacuum bubble inlet contact (10) are equipped with, isolator move sword (9), inlet wire flexible coupling (7) and isolator ground contact (6) by isolator main shaft (8), isolator and constitute.
2. The gas-filled tank circuit breaker with three-position disconnecting switch according to claim 1, characterized in that: the vacuum circuit breaker and the isolating switch moving knife (9) are installed on a metal support, product precision is guaranteed, and installation is convenient.
3. The gas-filled tank circuit breaker with three-position disconnecting switch according to claim 1, characterized in that: the isolating switch main shaft (8) transmits torsion to the isolating switch moving blade (9) to enable the isolating switch to be switched on or grounded to be switched on, the operating mechanism transmits the torsion to the breaker main shaft (1) and also enables the breaker to be switched on or switched off, and when the isolating switch and the vacuum breaker are both located at the switching-on position, current is input from the incoming line flexible connection (7) and output from the outgoing line flexible connection (5).
4. The gas-filled tank circuit breaker with three-position disconnecting switch according to claim 1, characterized in that: the circuit breaker main shaft (1), a push rod (3), b push rod (4) and vacuum bubble move pole (11) constitute four-bar linkage, when the rotatory torsion that operating device produced transmits for circuit breaker main shaft (1), make a push rod (3) promote b push rod (4) and produce great downward thrust and promote vacuum bubble move pole (11) and make it close, reduced the required torsion of vacuum circuit breaker divide-shut brake.
5. The gas-filled tank circuit breaker with three-position disconnecting switch according to claim 1, characterized in that: the rated current of the vacuum circuit breaker is 1250A, the rated voltage is 12kV, the rated current of the isolating switch is 1250A, and the rated voltage is 12 kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921768482.XU CN211062644U (en) | 2019-10-21 | 2019-10-21 | Aerify cabinet circuit breaker with three-station isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921768482.XU CN211062644U (en) | 2019-10-21 | 2019-10-21 | Aerify cabinet circuit breaker with three-station isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211062644U true CN211062644U (en) | 2020-07-21 |
Family
ID=71595924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921768482.XU Active CN211062644U (en) | 2019-10-21 | 2019-10-21 | Aerify cabinet circuit breaker with three-station isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211062644U (en) |
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2019
- 2019-10-21 CN CN201921768482.XU patent/CN211062644U/en active Active
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