CN114203478A - Interlocking structure of isolating switch and circuit breaker - Google Patents
Interlocking structure of isolating switch and circuit breaker Download PDFInfo
- Publication number
- CN114203478A CN114203478A CN202111407212.8A CN202111407212A CN114203478A CN 114203478 A CN114203478 A CN 114203478A CN 202111407212 A CN202111407212 A CN 202111407212A CN 114203478 A CN114203478 A CN 114203478A
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- CN
- China
- Prior art keywords
- circuit breaker
- connecting rod
- locking piece
- pivot
- interlocking structure
- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/52—Interlocking mechanisms for interlocking two or more switches
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides an interlocking structure of isolator and circuit breaker includes adjustable fender, connecting rod, locking piece, vertical track and pivot, adjustable fender's one end activity articulates on isolator's operating panel, and adjustable fender's the other end is articulated mutually with the one end of connecting rod, and the other end of connecting rod articulates there is the locking piece, the locking piece be located vertical track to can follow vertical track up-and-down motion, the pivot be located the below of locking piece, the one end of pivot be equipped with locking piece matched with draw-in groove, the other end of pivot is equipped with circuit breaker switch. This interlocking structure drives the locking piece through adjustable fender and connecting rod and blocks the pivot, has realized the interlocking between isolator and the circuit breaker, has avoided leading to the emergence of incident because operating personnel's maloperation to this interlocking structure is simple reliable, and control operation is convenient, and the cost of manufacture and maintenance is low, is suitable for popularization and application.
Description
Technical Field
The invention relates to an interlocking structure, in particular to an interlocking structure of a disconnecting switch and a circuit breaker.
Background
The high tension switchgear is arranged in the electric power system of power plant and transformer substation, mainly play the electricity generation, the transmission of electricity, the distribution, electric energy conversion, circuit protection etc. effect, adopt isolator cooperation circuit breaker to use in the current high tension switchgear mostly, in order to guarantee electrical equipment's reliable operation, must be furnished with an interlocking structure between isolator and the circuit breaker, when isolator is in maintenance state promptly, the circuit breaker can not carry out the combined floodgate operation, when the circuit breaker is in combined floodgate state, isolator can't overhaul the operation.
Disclosure of Invention
The invention aims to provide an interlocking structure of a disconnecting switch and a circuit breaker.
The utility model provides an interlocking structure of isolator and circuit breaker includes adjustable fender, connecting rod, locking piece, vertical track and pivot, adjustable fender's one end activity articulates on isolator's operating panel, is equipped with the electric button on operating panel, the electric button sheltered from by adjustable fender, adjustable fender's the other end is articulated mutually with the one end of connecting rod, and the other end of connecting rod articulates there is the locking piece, the locking piece be located vertical track to can be along vertical track up-and-down motion under adjustable fender and the drive of connecting rod, the pivot be located the below of locking piece, the one end of pivot be equipped with locking piece matched with draw-in groove, the other end of pivot is equipped with circuit breaker switch.
Preferably, the operating panel is provided with an arc-shaped groove, the arc-shaped groove takes a hinged point of the movable baffle plate and the operating panel as an arc center, and the movable baffle plate is provided with a pin rod positioned in the arc-shaped groove.
Preferably, rubber bumps for clamping the pin rod are arranged at two ends of the arc-shaped groove.
Preferably, one end of the pin rod is arranged in the arc-shaped groove, and the other end of the pin rod is hinged with the connecting rod.
Preferably, six vertical edges are uniformly distributed on the rotating shaft, bayonets are arranged at the positions, located right below the locking block, of the vertical edges, and the bayonets on the six vertical edges are combined to form annular clamping grooves.
Preferably, the locking piece includes sliding part and block portion, the sliding part be located vertical track to the back of sliding part is articulated mutually with the connecting rod, block portion cooperate with the epaxial draw-in groove of pivot, be equipped with the fixture block that quantity is no less than two on any side in the left surface and the right flank of block portion, the fixture block can be along with the locking piece downstream to adjacent two between the vertical arris.
Has the advantages that: the invention discloses an interlocking structure of an isolating switch and a circuit breaker, which drives a locking block to clamp a rotating shaft through a movable baffle and a connecting rod, realizes interlocking between the isolating switch and the circuit breaker, avoids safety accidents caused by misoperation of operators, and has the advantages of simple and reliable interlocking structure, convenient control and operation, low manufacturing and maintenance cost and suitability for popularization and application.
Drawings
FIG. 1 is a front view of the interlock arrangement with the disconnect switch in a locked condition;
FIG. 2 is a side view of the interlock arrangement with the disconnect switch in a locked condition;
FIG. 3 is a front view of the interlock arrangement with the disconnect switch in an unlocked condition;
FIG. 4 is a schematic view of the connection structure of the locking block, the rotating shaft and the breaker switch;
FIG. 5 is a schematic structural view of a lock block;
FIG. 6 is a schematic view of the structure of the rotating shaft;
in the figure: 1. the device comprises a movable baffle 11, a pin rod 2, a connecting rod 3, a locking block 31, a sliding part 32, a clamping part 33, a clamping block 4, a vertical rail 5, a rotating shaft 51, a clamping groove 52, a vertical edge 53, a clamping opening 6, a disconnecting switch 61, an operation panel 62, an electric button 63, an arc-shaped groove 64, a rubber bump 7 and a breaker switch.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the following examples and the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1-6, an interlocking structure of isolator and circuit breaker includes adjustable fender 1, connecting rod 2, locking piece 3, vertical track 4 and pivot 5, the one end activity of adjustable fender 1 articulates on isolator 6's operating panel 61, is equipped with electric button 62 on operating panel 61, electric button 62 sheltered from by adjustable fender 1, adjustable fender 1's the other end is articulated mutually with the one end of connecting rod 2, and the other end of connecting rod 2 articulates there is locking piece 3, locking piece 3 be located vertical track 4 to can be along vertical track 4 up-and-down motion under adjustable fender 1 and connecting rod 2's drive, pivot 5 be located locking piece 3's below, the one end of pivot 5 be equipped with locking piece 3 matched with draw-in groove 51, the other end of pivot 5 is equipped with circuit breaker switch 7.
In this embodiment, the operating panel 61 is provided with an arc-shaped groove 63, the arc-shaped groove 63 uses a hinge point of the movable baffle plate 1 and the operating panel 6 as an arc center, and the movable baffle plate 1 is provided with a pin 11 located in the arc-shaped groove 63.
In this embodiment, the two ends of the arc-shaped slot 63 are provided with rubber bumps 64 for catching the pin 11.
In this embodiment, one end of the pin 11 is disposed in the arc-shaped groove 63, and the other end of the pin 11 is hinged to the connecting rod 2.
In this embodiment, six upright ribs 52 are uniformly distributed on the rotating shaft 5, a bayonet 53 is arranged at the position of the upright rib 52 right below the locking block 3, and the bayonet 53 on the six upright ribs 52 are combined to form an annular clamping groove 51.
In this embodiment, the locking block 3 includes a sliding portion 31 and an engaging portion 32, the sliding portion 31 is located in the vertical rail 4, the back of the sliding portion 31 is hinged to the connecting rod 2, the engaging portion 32 is matched with the engaging slot 51 on the rotating shaft 5, no less than two engaging blocks 33 are disposed on any one of the left side surface and the right side surface of the engaging portion 32, and the engaging blocks 33 can move downward along with the locking block 3 to a position between two adjacent vertical edges 52.
This interlocking structure drives the locking piece through adjustable fender and connecting rod and blocks the pivot, has realized the interlocking between isolator and the circuit breaker, has avoided leading to the emergence of incident because operating personnel's maloperation to this interlocking structure is simple reliable, and control operation is convenient, and the cost of manufacture and maintenance is low, is suitable for popularization and application.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides an interlocking structure of isolator and circuit breaker, a serial communication port, includes adjustable fender, connecting rod, locking piece, vertical track and pivot, adjustable fender's one end activity articulates on isolator's operating panel, and operating panel is last to be equipped with electric button, electric button sheltered from by adjustable fender, adjustable fender's the other end is articulated mutually with the one end of connecting rod, and the other end of connecting rod articulates there is the locking piece, the locking piece be located vertical track to can follow vertical track up-and-down motion under adjustable fender and the drive of connecting rod, the pivot be located the below of locking piece, the one end of pivot be equipped with locking piece matched with draw-in groove, the other end of pivot is fixed and is equipped with circuit breaker.
2. The interlocking structure of the disconnecting switch and the circuit breaker as claimed in claim 1, wherein the operating panel is provided with an arc-shaped groove, the arc-shaped groove takes a hinge point of the movable baffle plate and the operating panel as an arc center, and the movable baffle plate is provided with a pin rod positioned in the arc-shaped groove.
3. The interlocking structure of a disconnecting switch and a circuit breaker according to claim 2, wherein both ends of the arc-shaped groove are provided with rubber bumps for catching the pin.
4. The interlock structure for disconnecting switch and circuit breaker according to claim 2, wherein one end of the pin is disposed in the arc-shaped groove, and the other end of the pin is hinged to the connecting rod.
5. The interlocking structure of the disconnecting switch and the circuit breaker as claimed in claim 1, wherein the rotating shaft is provided with six vertical edges which are uniformly distributed, the vertical edges are provided with bayonets at positions right below the locking block, and the bayonets on the six vertical edges are combined to form an annular clamping groove.
6. The interlocking structure of the disconnecting switch and the circuit breaker as claimed in claim 5, wherein the locking block comprises a sliding part and a clamping part, the sliding part is located in the vertical track, the back part of the sliding part is hinged to the connecting rod, the clamping part is matched with the clamping groove in the rotating shaft, no less than two clamping blocks are arranged on any one of the left side surface and the right side surface of the clamping part, and the clamping blocks can move downwards along with the locking block to a position between two adjacent vertical edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111407212.8A CN114203478B (en) | 2021-11-24 | 2021-11-24 | Interlocking structure of disconnecting switch and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111407212.8A CN114203478B (en) | 2021-11-24 | 2021-11-24 | Interlocking structure of disconnecting switch and circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114203478A true CN114203478A (en) | 2022-03-18 |
| CN114203478B CN114203478B (en) | 2023-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111407212.8A Active CN114203478B (en) | 2021-11-24 | 2021-11-24 | Interlocking structure of disconnecting switch and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114203478B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578817A (en) * | 2012-08-03 | 2014-02-12 | 广东米勒电气有限公司 | Interlocking device for disconnector and circuit breaker |
| CN110993401A (en) * | 2019-12-11 | 2020-04-10 | 江苏宏达电气有限公司 | Interlocking device of high-voltage switch equipment |
| CN111192776A (en) * | 2020-02-24 | 2020-05-22 | 正泰电气股份有限公司 | Mechanical interlocking device of isolating switch and circuit breaker |
| US20200212659A1 (en) * | 2018-12-28 | 2020-07-02 | Lsis Co., Ltd. | Circuit breaker |
| CN211670131U (en) * | 2020-04-16 | 2020-10-13 | 正泰电气股份有限公司 | Mechanical interlocking device for circuit breaker and three-position switch |
-
2021
- 2021-11-24 CN CN202111407212.8A patent/CN114203478B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578817A (en) * | 2012-08-03 | 2014-02-12 | 广东米勒电气有限公司 | Interlocking device for disconnector and circuit breaker |
| US20200212659A1 (en) * | 2018-12-28 | 2020-07-02 | Lsis Co., Ltd. | Circuit breaker |
| CN110993401A (en) * | 2019-12-11 | 2020-04-10 | 江苏宏达电气有限公司 | Interlocking device of high-voltage switch equipment |
| CN111192776A (en) * | 2020-02-24 | 2020-05-22 | 正泰电气股份有限公司 | Mechanical interlocking device of isolating switch and circuit breaker |
| CN211670131U (en) * | 2020-04-16 | 2020-10-13 | 正泰电气股份有限公司 | Mechanical interlocking device for circuit breaker and three-position switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114203478B (en) | 2023-07-07 |
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