CN213483603U - Interlocking device of circuit breaker isolating switch - Google Patents
Interlocking device of circuit breaker isolating switch Download PDFInfo
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- CN213483603U CN213483603U CN202022843625.8U CN202022843625U CN213483603U CN 213483603 U CN213483603 U CN 213483603U CN 202022843625 U CN202022843625 U CN 202022843625U CN 213483603 U CN213483603 U CN 213483603U
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- interlocking
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- circuit breaker
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Abstract
The utility model provides a circuit breaker isolator's interlock, including keeping apart the pivot, keep apart the limiting plate, spacing axle, reset spring and interlocking board, keep apart the pivot and rotationally install on the circuit breaker box, keep apart limiting plate fixed connection in keeping apart the pivot, set up a spacing groove on the isolation limiting plate, interlocking board and circuit breaker divide-shut brake mechanism's rotation axis connection, spacing groove side is located to spacing axle, spacing axle keeps away from the one end and the interlocking board swing joint of spacing groove, spacing epaxial reset spring that still installs. When the interlocking plate rotates along with the rotating shaft to the closing side, the other end of the limiting shaft is pushed to be clamped into the limiting groove, and when the interlocking plate rotates along with the rotating shaft to the opening side, the limiting shaft is pulled to withdraw from the limiting groove.
Description
Technical Field
The utility model belongs to the technical field of high tension switchgear technique and specifically relates to indicate a circuit breaker isolator's interlock.
Background
The vacuum circuit breaker is named because arc extinguishing media and insulating media of a contact gap after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. When the breaker is in the on position, the disconnecting switch is not allowed to be opened or closed. However, in the actual operation process, errors are inevitably caused, for example, the circuit breaker is not found at the switching-on position, and the disconnecting switch is directly switched on and off. Therefore, it is necessary to interlock the circuit breaker and the disconnector.
At present, comparatively complicated many link mechanism are mostly adopted to circuit breaker and isolator's interlock on the market, for example the chinese utility model patent that the authorization bulletin number is CN 205789577U discloses a circuit breaker isolator combined electrical apparatus's interlock, instruct pivot and connecting rod including circuit breaker deciliter, the lower extreme setting of circuit breaker deciliter instruction pivot is in the deciliter sign department of circuit breaker, the upper end of circuit breaker deciliter instruction pivot is articulated with the left end of connecting rod, the right-hand member of connecting rod is articulated with the lower extreme of first turning arm, the upper end of first turning arm is articulated with the left end of second turning arm, and the left end of first turning arm and the left end of second turning arm all fixed the setting on the circuit breaker, the right-hand member of second turning arm hands over with the upper end of gangboard, the below of gangboard is provided with the limiting plate, the fixed isolator handle that is provided with on the limiting plate. The multi-connecting-rod structure mainly depends on relative rotation between connecting rod connecting levers to realize the interlocking action between the circuit breaker and the isolating switch, but the connecting rods are easy to generate clamping stagnation in the actual operation process, and the multi-connecting-rod structure is not convenient to install and debug.
Disclosure of Invention
The utility model provides a circuit breaker isolator's interlock to solve current interlock and adopt many link mechanism, appear jamming phenomenon, be not convenient for shortcomings such as installation and debugging easily in the actual operation in-process.
The utility model adopts the following technical scheme:
the utility model provides a circuit breaker isolator's interlock, includes isolation pivot, isolation limiting plate, spacing axle, reset spring and interlocking board, isolation pivot is rotationally installed on the circuit breaker box, keep apart limiting plate fixed connection in keep apart in the pivot, set up a spacing groove on the isolation limiting plate, interlocking board and circuit breaker divide-shut brake mechanism's rotation axis connection, spacing axle is located the spacing groove side, spacing axle keep away from the one end of spacing groove with interlocking board swing joint, the interlocking board follows when rotating axial combined floodgate one side and rotating, promote spacing axle other end card and go into the spacing groove, the interlocking board follows when rotating axial divide-shut brake one side and rotate, the pulling spacing axle withdraws from the spacing groove, spacing epaxial still install one reset spring.
Furthermore, two guide seats are arranged between the isolation limiting plate and the interlocking plate, each guide seat is provided with a guide hole, and the limiting shaft is arranged between the two guide holes.
Furthermore, a longitudinal strip-shaped hole is formed in the middle of the interlocking plate, and the limiting shaft penetrates through the longitudinal strip-shaped hole through a pin shaft to be movably connected with the interlocking plate.
Furthermore, one end of the limiting shaft connected with the interlocking plate is provided with a longitudinal notch groove along the central axis thereof, the front side and the rear side of the limiting shaft corresponding to the longitudinal notch groove are respectively provided with a transverse strip-shaped hole in a corresponding and communicated manner, the interlocking plate is arranged in the longitudinal notch groove, and the pin shaft sequentially penetrates through the transverse strip-shaped hole and the longitudinal strip-shaped hole.
Furthermore, a spring fixing seat is fixedly arranged on the limiting shaft, one end of the reset spring is fixed on the spring fixing seat, and the other end of the reset spring abuts against the side face of the interlocking plate.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model discloses an interlocking device, including keeping apart pivot, isolation limiting plate, spacing axle and interlocking board, isolation limiting plate is equipped with the spacing groove, and the interlocking board is connected with the pivot of circuit breaker divide-shut brake mechanism to with spacing axle swing joint, when the pivot rotated to combined floodgate one side, the interlocking board promoted spacing axial to keep apart one side direction of limiting plate and remove and make its card go into the spacing groove, in order to restrict the rotation of keeping apart the pivot; when the rotating shaft rotates towards one side of the brake separating, the connecting plate pulls the limiting shaft to move away from one side of the isolating limiting plate, so that the rotating shaft is pushed out of the limiting groove, and the isolating rotating shaft can rotate freely to realize the brake separating function. This structure interlock, simple structure rotates the freedom moreover, can not appear the jamming phenomenon, simultaneously, and the installation and debugging is simple convenient, uses reliably.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 is a schematic view of the state in which the stopper shaft is engaged in the stopper groove.
Fig. 4 is a schematic view of the state that the limiting shaft exits the limiting groove.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details. Well-known components, methods and processes are not described in detail below.
The utility model provides a circuit breaker isolator's interlock, refers to figure 1, including keeping apart pivot 10, keeping apart limiting plate 20, spacing axle 30, reset spring 40 and interlocking plate 50, keep apart pivot 10 and rotationally install on circuit breaker box 1, keep apart limiting plate 20 fixed connection on keeping apart pivot 10, set up a spacing groove 21 on the isolation limiting plate 20, the spacing groove that this embodiment shows is right angle groove structure. Interlocking plate 50 is connected with circuit breaker divide-shut brake mechanism's axis of rotation 2, and spacing axle 30 is located spacing groove 21 side, the one end that spacing groove 21 was kept away from to spacing axle 30 with interlocking plate 50 swing joint still installs a reset spring 40 on the spacing axle 30.
Referring to fig. 1 and 2, two guide seats 22 are disposed between the isolation limiting plate 20 and the interlock plate 50, each guide seat 22 is provided with a guide hole 220, and the limiting shaft 30 is installed between the two guide holes 220. A longitudinal strip-shaped hole 51 is formed in the middle of the interlocking plate 50, a longitudinal notch groove 31 is formed in one end, connected with the interlocking plate, of the limiting shaft 30 along the central axis of the interlocking plate, a transverse strip-shaped hole 32 is formed in the front side and the rear side of the limiting shaft 30 corresponding to the longitudinal notch groove 31 in a corresponding and communicated mode, the interlocking plate 50 is arranged in the longitudinal notch groove 31, and a pin shaft 52 is inserted into the transverse strip-shaped hole 32 and the longitudinal strip-shaped hole 51 to connect the limiting shaft 30 with the interlocking plate 50. The longitudinal holes 51 provide a space for the pin 52 to move when the interlocking plate 50 rotates, and the transverse holes 32 limit the pin 52 to move in the direction of the central axis of the limiting shaft 30.
Referring to fig. 2, a spring fixing seat 33 is fixedly disposed on the limiting shaft 30, the return spring 40 is sleeved on the outer surface of the limiting shaft 30 between the interlocking plate 50 and the spring fixing seat 33, one end of the return spring 40 is fixed on the spring fixing seat 33, and the other end of the return spring abuts against the side surface of the interlocking plate 50.
In the interlocking device of the present invention, referring to fig. 3, when the interlocking plate 50 rotates to the closing side along with the rotating shaft of the opening/closing mechanism, the other end of the limiting shaft 30 is pushed to be inserted into the limiting groove 21, so as to limit the rotation of the isolation rotating shaft 10; referring to fig. 4, when the interlocking plate 50 rotates toward the opening side along with the rotation axis of the switching mechanism, the spacing shaft is pulled to exit the spacing groove 21, and the isolation rotating shaft 10 can rotate freely to realize the opening function.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (5)
1. An interlock device of a circuit breaker disconnecting switch is characterized in that: including keeping apart the pivot, keeping apart limiting plate, spacing axle, reset spring and interlocking board, keep apart the pivot and rotationally install on the circuit breaker box, keep apart limiting plate fixed connection in keep apart in the pivot, set up a spacing groove on the isolation limiting plate, interlocking board and circuit breaker divide-shut brake mechanism's rotation axis connection, spacing axle is located the spacing groove side, spacing axle keep away from the one end of spacing groove with interlocking board swing joint, the interlocking board follows when rotating axial combined floodgate one side and rotating, promote spacing axle other end card and go into the spacing groove, the interlocking board follows when rotating axial combined floodgate one side and rotating, the spacing axle of pulling withdraws from the spacing groove, still install one on the spacing axle reset spring.
2. The interlock device of a disconnector for circuit breakers according to claim 1, characterized in that: two guide seats are arranged between the isolation limiting plate and the interlocking plate, each guide seat is provided with a guide hole, and the limiting shaft is arranged between the two guide holes.
3. The interlock device of a disconnector for circuit breakers according to claim 2, characterized in that: the middle part of the interlocking plate is provided with a longitudinal strip-shaped hole, and the limiting shaft penetrates through the longitudinal strip-shaped hole through a pin shaft to be movably connected with the interlocking plate.
4. The interlock apparatus of a disconnector for circuit breakers according to claim 3, characterized in that: one end of the limiting shaft connected with the interlocking plate is provided with a longitudinal notch groove along the central axis, the front side and the rear side of the limiting shaft corresponding to the longitudinal notch groove are respectively and correspondingly communicated with a transverse strip-shaped hole, the interlocking plate is arranged in the longitudinal notch groove, and the pin shaft sequentially penetrates through the transverse strip-shaped hole and the longitudinal strip-shaped hole.
5. The interlock apparatus of a disconnector for circuit breakers according to claim 4, characterized in that: and a spring fixing seat is fixedly arranged on the limiting shaft, one end of the reset spring is fixed on the spring fixing seat, and the other end of the reset spring is abutted against the side surface of the interlocking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022843625.8U CN213483603U (en) | 2020-12-01 | 2020-12-01 | Interlocking device of circuit breaker isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022843625.8U CN213483603U (en) | 2020-12-01 | 2020-12-01 | Interlocking device of circuit breaker isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213483603U true CN213483603U (en) | 2021-06-18 |
Family
ID=76357484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022843625.8U Active CN213483603U (en) | 2020-12-01 | 2020-12-01 | Interlocking device of circuit breaker isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213483603U (en) |
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2020
- 2020-12-01 CN CN202022843625.8U patent/CN213483603U/en active Active
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