CN215896207U - Interlocking device of disconnecting link and circuit breaker and switch cabinet - Google Patents
Interlocking device of disconnecting link and circuit breaker and switch cabinet Download PDFInfo
- Publication number
- CN215896207U CN215896207U CN202121990639.0U CN202121990639U CN215896207U CN 215896207 U CN215896207 U CN 215896207U CN 202121990639 U CN202121990639 U CN 202121990639U CN 215896207 U CN215896207 U CN 215896207U
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- plate
- interlocking
- disconnecting link
- circuit breaker
- locking
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model provides an interlocking device of a disconnecting link and a circuit breaker and a switch cabinet, wherein the circuit breaker is provided with an operating end, the interlocking device comprises two guide plates arranged at two sides of the disconnecting link at intervals, an interlocking plate arranged between the two guide plates in a sliding manner, a abdicating hole formed in the interlocking plate, an interlocking rod arranged on the interlocking plate, an operating mechanism arranged on the interlocking plate and a locking mechanism arranged between the interlocking plate and the guide plates, the interlocking plate is positioned in front of the circuit breaker to shield the operating end of the circuit breaker, and the arrangement direction of the disconnecting link and the circuit breaker is consistent with the sliding direction of the interlocking plate. The utility model can effectively remind the operator to switch on the disconnecting link first and then operate the operating end of the circuit breaker so as to eliminate potential safety hazards.
Description
Technical Field
The utility model relates to a disconnecting link and circuit breaker interlocking device and a switch cabinet.
Background
The switch cabinet is provided with a circuit breaker and a disconnecting link, the circuit breaker is a switch device which can close, bear and open current under the condition of a normal loop and can close, bear and open current under the condition of an abnormal loop within a specified time, the surface of the switch device is usually provided with an operation end, such as an inner hexagon nut, and the disconnecting link is one of manual switches of power equipment. The operating end of the circuit breaker can be operated only by switching on the knife switch in advance according to the operating specification of the switch cabinet. However, in the existing switch cabinet, no corresponding interlocking device is arranged, and an operator completely depends on own experience and cautious degree during operation, so that great potential safety hazards exist in the operation of the circuit breaker.
SUMMERY OF THE UTILITY MODEL
The utility model provides an interlocking device of a disconnecting link and a circuit breaker and a switch cabinet, which can effectively remind an operator to switch on the disconnecting link first and then operate an operating end of the circuit breaker so as to eliminate potential safety hazards.
The utility model is realized by the following technical scheme:
a linkage device of a disconnecting link and a circuit breaker is provided, the circuit breaker is provided with an operating end, the linkage device comprises two guide plates arranged at two sides of the disconnecting link at intervals, a linkage plate arranged between the two guide plates in a sliding way, a abdicating hole arranged on the linkage plate, a linkage rod arranged on the linkage plate, an operating mechanism arranged on the linkage plate and a locking mechanism arranged between the linkage plate and the guide plates, the linkage plate is positioned in front of the circuit breaker to shield the operating end of the circuit breaker, the arrangement direction of the disconnecting link and the circuit breaker is consistent with the sliding direction of the linkage plate, when the operating end is shielded, the lower section of the linkage rod blocks the disconnecting link to prevent the disconnecting link from being switched on, when external force is applied to the linkage plate through the operating mechanism, the linkage plate slides in the direction far away from the disconnecting link, until the abdicating hole exposes the operating end, the lower end of the linkage rod leaves the disconnecting link, the disconnecting link can be switched on, and the disconnecting link can be switched on when the abdicating hole exposes the operating end, the position of the interlock plate is fixed.
Further, the operating mechanism comprises an operating rod, a handle or an operating hole which is arranged on the interlocking plate.
Furthermore, locking mechanical system is including setting up first locking plate on a deflector, setting up second lockplate and the locking piece on the linkage board, is provided with two locating holes along linkage board slip direction interval on the first locking plate, is provided with the locking hole on the second lockplate, when linkage board exposes operating end or linkage bar and blocks the switch, the locking hole aligns with two locating holes respectively, and the locking piece can pass the locating hole and lock behind the locking hole to the position of fixed linkage board.
Furthermore, the breaker and the disconnecting link are arranged up and down, and the breaker is positioned above the disconnecting link.
Furthermore, circuit breaker and switch are installed at the coplanar, and the circuit breaker is higher than the switch, be provided with the connecting plate of inside concave yield between interlock board lower extreme and the interlock pole upper end.
Furthermore, a guide hole is formed in the guide plate, and guide rods inserted into the guide hole are arranged on two sides of the interlocking plate respectively.
Furthermore, the interlocking plate, the horizontal plate and the interlocking rod are integrally formed.
The utility model is also realized by the following technical scheme:
a switch cabinet comprises a circuit breaker, a disconnecting link and the interlocking device.
The utility model has the following beneficial effects:
1. according to the utility model, the interlocking plate is arranged in front of the breaker, the interlocking rod is also arranged on the interlocking plate, when the disconnecting link is not switched on, the interlocking plate shields the operating end of the breaker, namely the operating end of the breaker cannot be operated, if the operation is required, external force is applied to the guide plate through the operating mechanism, so that the interlocking plate slides in the direction away from the disconnecting link, until the abdication hole in the interlocking plate exposes the operating end, the lower end of the interlocking rod leaves the disconnecting link, the disconnecting link can be switched on at the moment, and after the switching-on is finished, the operating end is exposed due to the abdication hole, so that the breaker can be operated, thus the operating personnel can be effectively reminded to switch on the disconnecting link first, and then the operating end of the breaker is operated, and the potential safety hazard is eliminated; because the closing action of the disconnecting link usually needs larger strength, the locking mechanism is arranged, when the interlocking plate slides to the position where the abdicating hole exposes out of the operating end, the position of the interlocking plate is fixed through the locking mechanism, so that an operator can not apply force to the operating mechanism any more, and the operator can conveniently perform the closing action.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the interlocking device according to the present invention (when the knife switch is opened).
Fig. 2 is a schematic structural diagram of the interlocking device (when the knife switch is closed) of the present invention.
Wherein, 1, a knife switch; 2. a circuit breaker; 21. an operation end; 3. a interlock lever; 4. a guide plate; 41. a guide hole; 42. a guide bar; 5. an interlock plate; 51. a hole of abdication; 6. a connecting plate; 7. an operating lever; 81. a first locking plate; 82. a second locking plate; 83. and (7) positioning the holes.
Detailed Description
The cubical switchboard includes circuit breaker 2, switch 1 and sets up the interlock between circuit breaker 2 and switch 1, and circuit breaker 2 and switch 1 arrange from top to bottom, and circuit breaker 2 is located switch 1 top, and circuit breaker 2 has operation end 21, and in this embodiment, switch 1 and circuit breaker 2's concrete structure is prior art, and circuit breaker 2's operation end 21 is interior hexagonal rotation operation.
As shown in fig. 1 to 2, the interlocking device includes two guide plates 4, an interlocking plate 5, a connecting plate 6, an interlocking rod 3, an operating mechanism and a locking mechanism, wherein the two guide plates 4 are vertically arranged on the switch cabinet at intervals, the circuit breaker 2 is arranged between the two guide plates 4, a guide hole 41 vertically extending is arranged on each guide plate 4, guide rods 42 capable of being inserted into the guide holes 41 are respectively arranged on two sides of the interlocking plate 5, and the interlocking plate 5 is slidably arranged between the two guide plates 4 through the matching of the guide rods 42 and the guide holes 41. Because of circuit breaker 2 and switch 1 all set up on the coplanar of cubical switchboard, and circuit breaker 2 is higher than switch 1, so interlock board 5 lower extreme is provided with the connecting plate 6 of inside concave yield, and interlock pole 3 upper end then sets up connecting plate 6 inner to make interlock pole 3 lower extreme more be close to switch 1, so that interlocking device's effect is better.
The operating mechanism is arranged on the interlocking plate 5, the locking mechanism is arranged between the interlocking plate 5 and the guide plate 4, the interlocking plate 5 is provided with a yielding hole 51 capable of exposing the operating end 21, the interlocking plate 5 is positioned in front of the circuit breaker 2 to shield the operating end 21 of the circuit breaker 2, when the operating end 21 is shielded, the lower section of the interlocking rod 3 blocks the disconnecting link 1 to make the disconnecting link not be switched (as shown in fig. 1), when external force is applied to the interlocking plate 5 through the operating mechanism to enable the interlocking plate 5 to slide upwards until the yielding hole 51 exposes the operating end 21, the lower end of the interlocking rod 3 leaves the disconnecting link 1, the disconnecting link 1 can be switched (as shown in fig. 2), and the locking mechanism is used for fixing the position of the interlocking plate 5 when the yielding hole 51 exposes the operating end 21.
In the present embodiment, the operating mechanism is an operating lever 7 provided on the interlock plate 5. The locking mechanism comprises a first locking plate 81 arranged on a guide plate 4, a second locking plate 82 arranged on an interlocking plate and a locking piece, wherein two positioning holes 83 are arranged on the first locking plate 81 at intervals up and down, a locking hole is arranged on the second locking plate 82, when the interlocking plate 5 exposes the operating end 21, the locking hole is aligned with the positioning hole 83 on the upper part, when the interlocking rod 3 blocks the knife switch 1, the locking hole is aligned with the positioning hole 83 on the lower part, the locking piece can penetrate through the positioning hole 83 and the locking hole 84 to fix the position of the interlocking plate, and the locking piece can be a bolt or a lock.
In the present embodiment, the interlock plate 5, the link plate 6, and the interlock lever 3 are integrally formed.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (8)
1. The utility model provides an interlocking device of switch and circuit breaker, the circuit breaker has the operation end, its characterized in that: the interlocking device comprises two guide plates arranged on two sides of a disconnecting link at intervals, a linkage plate arranged between the two guide plates in a sliding mode, a yielding hole formed in the linkage plate, a linkage rod arranged on the linkage plate, an operating mechanism arranged on the linkage plate and a locking mechanism arranged between the linkage plate and the guide plates, wherein the linkage plate is located in front of the breaker to shield an operating end of the breaker, the arrangement direction of the disconnecting link and the breaker is consistent with the sliding direction of the linkage plate, when the operating end is shielded, the lower section of the linkage rod blocks the disconnecting link to enable the disconnecting link to be not to be switched on, when external force is applied to the linkage plate through the operating mechanism, the linkage plate slides in the direction away from the disconnecting link, until the yielding hole exposes the operating end, the lower end of the linkage rod leaves the disconnecting link, the disconnecting link can be switched on, and the locking mechanism is used for fixing the position of the linkage plate when the yielding hole exposes the operating end.
2. The interlocking device of the knife switch and the circuit breaker as claimed in claim 1, wherein: the operating mechanism comprises an operating rod, a handle or an operating hole which is arranged on the interlocking plate.
3. The interlocking device of the knife switch and the circuit breaker as claimed in claim 1, wherein: the locking mechanism comprises a first locking plate arranged on a guide plate, a second locking plate arranged on the interlocking plate and a locking piece, wherein two positioning holes are formed in the first locking plate at intervals along the sliding direction of the interlocking plate, a locking hole is formed in the second locking plate, when the interlocking plate exposes out of the operating end or the interlocking rod blocks the disconnecting link, the locking hole is aligned to the two positioning holes respectively, and the locking piece can penetrate through the positioning holes and the locking hole to be locked so as to fix the position of the interlocking plate.
4. The device for interlocking a disconnecting link and a circuit breaker according to claim 1, 2 or 3, wherein: the breaker and the disconnecting link are arranged up and down, and the breaker is positioned above the disconnecting link.
5. The device for interlocking a disconnecting link and a circuit breaker according to claim 1, 2 or 3, wherein: the breaker and the disconnecting link are arranged on the same plane, the breaker is higher than the disconnecting link, and a connecting plate which is recessed inwards is arranged between the lower end of the interlocking plate and the upper end of the interlocking rod.
6. The device for interlocking a disconnecting link and a circuit breaker according to claim 1, 2 or 3, wherein: the guide plate is provided with a guide hole, and guide rods inserted into the guide hole are respectively arranged on two sides of the interlocking plate.
7. The interlocking device of the disconnecting link and the circuit breaker as claimed in claim 5, wherein: the interlocking plate, the horizontal plate and the interlocking rod are integrally formed.
8. A kind of switch cabinet, its characterized in that: comprising a circuit breaker, a knife switch and an interlocking device according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121990639.0U CN215896207U (en) | 2021-08-23 | 2021-08-23 | Interlocking device of disconnecting link and circuit breaker and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121990639.0U CN215896207U (en) | 2021-08-23 | 2021-08-23 | Interlocking device of disconnecting link and circuit breaker and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215896207U true CN215896207U (en) | 2022-02-22 |
Family
ID=80564452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121990639.0U Active CN215896207U (en) | 2021-08-23 | 2021-08-23 | Interlocking device of disconnecting link and circuit breaker and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215896207U (en) |
-
2021
- 2021-08-23 CN CN202121990639.0U patent/CN215896207U/en active Active
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