CN212277781U - Circuit breaker chassis car locking device - Google Patents
Circuit breaker chassis car locking device Download PDFInfo
- Publication number
- CN212277781U CN212277781U CN202020818171.6U CN202020818171U CN212277781U CN 212277781 U CN212277781 U CN 212277781U CN 202020818171 U CN202020818171 U CN 202020818171U CN 212277781 U CN212277781 U CN 212277781U
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- Prior art keywords
- circuit breaker
- interlocking
- breaker interlocking
- plate
- lock
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Abstract
The utility model discloses a circuit breaker chassis car locking device comprises program lock, circuit breaker interlocking support welding subassembly, cubical switchboard horizontal separators, circuit breaker interlocking arm-tie, circuit breaker interlocking axle, T type cover, T type round pin etc. shaft and circuit breaker interlocking axle among the circuit breaker interlocking support welding subassembly stretch out and draw back from top to bottom at cubical switchboard horizontal separators and realize circuit breaker shutting and unblock. Compared with the prior art, the program lock has the program lock and only professional technical personnel have keys, and the problem that non-professional personnel operate the switch cabinet is solved, so that power is prevented from being mistakenly supplied, and personal safety is guaranteed. Simultaneously the utility model discloses electric contact, components and parts damage the back, mechanical interlocking one in addition to thereby avoided the electric interlocking inefficacy to cause the electric power accident to cause bodily injury.
Description
Technical Field
The utility model relates to an interlock of circuit breaker is a circuit breaker chassis car locking device particularly.
Background
The electrified switch-on of the switch cabinet is always not allowed, and the common high-voltage switch cabinet on the market at present mostly adopts electric loop locking (locking electromagnet) and the like to solve the problem of the locking of the isolating switch for the switch-on interlocking scheme of the isolating switch and the incoming line cabinet. The electric loop locking mode has limitations, is greatly influenced by the quality of electric contacts and components, and has the possibility of misoperation;
the feeder cabinet downstream switch cabinet does not allow the switch-on switch cabinet in the maintenance process, and the prior technical scheme is difficult to stop the safety accident caused by the misoperation of personnel for switch-on
At present anyone can both close a floodgate to the cubical switchboard as long as get into the electricity distribution room, and close a floodgate and have an operation just to push away operating position with the circuit breaker by experimental position before, only can operate the cubical switchboard theoretically by professional, and the interlocking of current cubical switchboard can not solve non-professional and carry out the problem of operating to the cubical switchboard.
For example, in the prior patent CN201721392313, an interlocking mechanism of a disconnecting switch and a circuit breaker is disclosed, in which the stroke of a closing electromagnet is controlled by a telescopic rod, so that the circuit breaker is prevented from being closed electrically. This current patent prevents through mechanical shutting that the circuit breaker from shaking operating position, compares with it, and the mechanical shutting of this application is more reliable, and the electric circuit shutting mode of this prior art patent has the limitation, and it is big to receive the good bad influence of quality of electrical contact, components and parts, exists the maloperation probably.
In the prior patent CN200810022407, a drawer interlocking device of a low-voltage power distribution cabinet is disclosed to be a low-voltage drawer pushing auxiliary device, which aims to avoid the uncertainty of drawer positions and the collision of cabinet walls caused by the difficulty in consistent pushing force of people, and the invention can not prevent the manual misoperation. According to the method and the device, manual misoperation can be prevented through internal interlocking and an external program lock, so that the safety of the power system is guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a circuit breaker chassis car locking device has overcome the not enough of prior art. The utility model aims to provide a thereby the inside incident that solves electrical contact, components and parts trouble back cubical switchboard of adding a mechanical interlocking by the maloperation brought of cubical switchboard.
The utility model discloses a circuit breaker chassis car locking device comprises program lock, circuit breaker interlocking, cubical switchboard horizontal separators, circuit breaker interlocking arm-tie, circuit breaker interlocking axle, T type cover, T type round pin, circuit breaker interlocking round pin etc. wherein the circuit breaker interlocking have two, divide into circuit breaker interlocking and lower circuit breaker interlocking, two circuit breaker interlocking and circuit breaker interlocking round pin welding constitution circuit breaker interlocking bracket component, circuit breaker interlocking bracket component in the circuit breaker interlocking round pin entangle circuit breaker interlocking axle, circuit breaker interlocking axle one end is fixed on last circuit breaker interlocking, circuit breaker interlocking axle other end and cubical switchboard horizontal separators interlocking, stretch out and draw back realization circuit breaker shutting and unblock from top to bottom at cubical switchboard horizontal separators.
The other end of the circuit breaker interlocking shaft is interlocked with the horizontal partition plate of the switch cabinet, and one end of the circuit breaker interlocking shaft is movably matched and connected with the horizontal partition plate of the switch cabinet; because the circuit breaker is movably arranged on the horizontal partition plate of the switch cabinet, the interlocking pull plate of the circuit breaker stretches back and forth to drive the interlocking shaft of the circuit breaker to move up and down, and when the interlocking shaft of the circuit breaker moves upwards to protrude out of the horizontal partition plate of the switch cabinet, the circuit breaker can not be closed. When the circuit breaker interlocking shaft moves downwards to be lower than the horizontal partition plate of the switch cabinet, the circuit breaker is closed.
The circuit breaker interlocking shaft is connected with the circuit breaker interlocking pull plate and stretches up and down by pulling the circuit breaker interlocking pull plate.
The circuit breaker interlocking shaft and the circuit breaker interlocking triangle are respectively connected with the circuit breaker interlocking pull plate through T-shaped pins, so that the transmission of the rectifying and reforming mechanism is realized.
The left end of the circuit breaker interlocking triangular plate is connected with the interlocking shaft of the circuit breaker through a T-shaped pin.
The right end of the breaker interlocking triangle is fixed with the interlocking triangle and the breaker interlocking pull plate through T-shaped pins.
The T-shaped pin penetrates through the T-shaped sleeve and the interlocking triangular plate.
The circuit breaker interlocking pull plate pulls outwards and rotates the program lock key.
The program lock is installed on the program lock installation plate through a through hole in the program lock installation plate, and a program lock tongue is fixed in an installation hole in the program lock installation plate.
The program lock mounting plate is fixed on the switch cabinet through a mounting hole of a horizontal partition plate of the switch cabinet.
The program lock tongue is buckled on the circuit breaker interlocking pull plate, and the circuit breaker can realize the interlocking function.
After the key is unlocked, a torsional spring is arranged between the welding assembly of the circuit breaker interlocking bracket and the interlocking triangle, and the circuit breaker interlocking pull plate is pulled back to the unlocking state position through the torsion of the torsional spring.
The utility model discloses compare prior art, had the procedure lock, and only professional technical personnel just had the key, solved non-professional and operated the cubical switchboard to avoided the mistake power supply to ensure personal safety. Simultaneously the utility model discloses electric contact, components and parts damage the back, mechanical interlocking one in addition to thereby avoided the electric interlocking inefficacy to cause the electric power accident to cause bodily injury.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural view of a chassis lock of the present invention;
fig. 2 is a schematic structural diagram of the circuit breaker of the present invention;
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, a circuit breaker chassis lock device is composed of a circuit breaker interlocking 1, a circuit breaker interlocking shaft 2, a T-shaped pin 3, a circuit breaker interlocking triangle 4, a T-shaped sleeve 5, a torsion spring 6, a T-shaped sleeve 7, a circuit breaker interlocking pull plate 8, a program bolt 9, a program lock mounting plate 10, a T-shaped pin 11, a switch cabinet horizontal partition plate 12, a circuit breaker interlocking two 13, a circuit breaker interlocking pin 14, a program lock key 15 and a program lock 17, wherein:
the circuit breaker interlocking I1, the circuit breaker interlocking II 13 and the circuit breaker interlocking pin 14 are welded to form a circuit breaker interlocking support welding assembly. A breaker interlocking pin 14 in the breaker interlocking bracket assembly sleeves a breaker interlocking shaft 2, and the breaker interlocking shaft 2 is fixed on a breaker interlocking second 13 and extends up and down on a horizontal partition plate 12 of a switch cabinet to realize the locking and unlocking of the breaker. The breaker interlocking shaft 2 stretches up and down by pulling a breaker interlocking pull plate 8, wherein the left end of the breaker interlocking triangle plate 4 is connected with the breaker interlocking shaft 2 through a T-shaped pin 3. The right end fixes the interlocking triangle 4 and the breaker interlocking pulling plate 8 through a T-shaped pin 3 penetrating through the T-shaped sleeve 5 and the interlocking triangle 4.
The other end of the circuit breaker interlocking shaft is interlocked with the horizontal partition plate 8 of the switch cabinet, and one end of the circuit breaker interlocking shaft 2 is movably matched and connected with the horizontal partition plate 8 of the switch cabinet; because the circuit breaker movable mounting is on cubical switchboard horizontal separators 8, the circuit breaker interlocking arm-tie is tensile around, drives circuit breaker interlocking shaft 2 up-and-down motion, and on circuit breaker interlocking shaft 2 upward movement was outstanding to cubical switchboard horizontal separators 8, the circuit breaker was unable to be closed. When the circuit breaker interlocking shaft 2 moves downward below the horizontal partition 8 of the switch cabinet, the circuit breaker is closed.
The program lock 17 is installed on the program lock installation plate 10, and the program lock installation plate 10 is fixed on the switch cabinet through the installation hole of the horizontal partition plate 12 of the switch cabinet.
When the breaker interlocking pull plate 8 is pulled outwards and the program lock key 15 is turned, the program bolt 9 is fixed through the mounting hole on the program lock mounting plate 10, and the program lock mounting plate 10 is fixed through the mounting hole on the horizontal partition plate 12 of the switch cabinet. When the program bolt 9 is buckled on the interlocking pulling plate 8 of the circuit breaker, the circuit breaker can realize the interlocking function.
After the key is unlocked, the circuit breaker interlocking pulling plate 8 is pulled back to the unlocking state position due to the torsion of the torsion spring 6 arranged between the circuit breaker interlocking bracket welding assembly 1 and the interlocking triangular plate 4. The circuit breaker interlocking shaft 2 is connected with the circuit breaker interlocking triangular plate 4 and the circuit breaker interlocking pull plate 8 through the T-shaped pin 3 and the T-shaped pin 11 respectively, so that transmission of the rectification mechanism is realized.
For example, in the prior patent CN201721392313, an interlocking mechanism of a disconnecting switch and a circuit breaker is disclosed, in which the stroke of a closing electromagnet is controlled by a telescopic rod, so that the circuit breaker is prevented from being closed electrically. This current patent prevents through mechanical shutting that the circuit breaker from shaking operating position, compares with it, and the mechanical shutting of this application is more reliable, and the electric circuit shutting mode of this prior art patent has the limitation, and it is big to receive the good bad influence of quality of electrical contact, components and parts, exists the maloperation probably.
In the prior patent CN200810022407, a drawer interlocking device of a low-voltage power distribution cabinet is disclosed to be a low-voltage drawer pushing auxiliary device, which aims to avoid the uncertainty of drawer positions and the collision of cabinet walls caused by the difficulty in consistent pushing force of people, and the invention can not prevent the manual misoperation. According to the method and the device, manual misoperation can be prevented through internal interlocking and an external program lock, so that the safety of the power system is guaranteed.
The utility model discloses compare prior art, had the procedure lock, and only professional technical personnel just had the key, solved non-professional and operated the cubical switchboard to avoided the mistake power supply to ensure personal safety. Simultaneously the utility model discloses electric contact, components and parts damage the back, mechanical interlocking one in addition to thereby avoided the electric interlocking inefficacy to cause the electric power accident to cause bodily injury.
It is right above the utility model provides a pair of circuit breaker chassis car locking device introduces in detail. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (12)
1. The utility model provides a circuit breaker chassis car locking device, by procedure lock (17), circuit breaker interlocking (1), cubical switchboard horizontal partition plate (12), circuit breaker interlocking arm-tie (8), circuit breaker interlocking shaft (2), T type cover (5), T type round pin (11), circuit breaker interlocking round pin (14) constitute its characterized in that: the circuit breaker interlocking have two, for circuit breaker interlocking two (13) and circuit breaker interlocking one (1), circuit breaker interlocking bracket assembly is constituteed with the welding of circuit breaker interlocking round pin to circuit breaker interlocking two (13) and circuit breaker interlocking one (1), circuit breaker interlocking bracket assembly interrupt circuit ware interlocking round pin (14) entangle circuit breaker interlocking axle (2), circuit breaker interlocking axle (2) are fixed on circuit breaker interlocking two (13), circuit breaker interlocking axle (2) and cubical switchboard horizontal partition board (12) interlocking.
2. The circuit breaker chassis lock assembly of claim 1, wherein: the circuit breaker interlocking shaft is connected with the circuit breaker interlocking pull plate.
3. The circuit breaker chassis lock assembly of claim 1, wherein: the breaker interlocking shaft and the breaker interlocking triangle are respectively connected with a breaker interlocking pulling plate through T-shaped pins.
4. The circuit breaker chassis lock assembly of claim 3, wherein: the left end of the circuit breaker interlocking triangular plate is connected with the interlocking shaft of the circuit breaker through a T-shaped pin.
5. The circuit breaker chassis lock assembly of claim 3, wherein: the right end of the breaker interlocking triangle is fixed with the interlocking triangle and the breaker interlocking pull plate through T-shaped pins.
6. The circuit breaker chassis lock assembly of claim 1, wherein: the T-shaped pin penetrates through the T-shaped sleeve and the interlocking triangular plate.
7. The circuit breaker chassis lock assembly of claim 1, wherein: the circuit breaker interlocking pull plate pulls outwards and rotates the program lock key.
8. The circuit breaker chassis lock assembly of claim 1, wherein: the program lock is provided with a program lock mounting plate, and the program lock is mounted on the program lock mounting plate through a through hole in the program lock mounting plate.
9. The circuit breaker chassis lock assembly of claim 8, wherein: the program lock mounting plate is fixed on the switch cabinet through a mounting hole of a horizontal partition plate of the switch cabinet.
10. The circuit breaker chassis lock assembly of claim 8, wherein: and a program lock tongue is fixed in a mounting hole on the program lock mounting plate.
11. The circuit breaker chassis lock assembly of claim 10, wherein: the program lock tongue is buckled on the circuit breaker interlocking pull plate, and the circuit breaker realizes interlocking.
12. The circuit breaker chassis lock assembly of claim 1, wherein: and a torsional spring is arranged between the circuit breaker interlocking bracket assembly and the interlocking triangular plate, and the circuit breaker interlocking pull plate is pulled back to an unlocking state through the torsion of the torsional spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020818171.6U CN212277781U (en) | 2020-05-18 | 2020-05-18 | Circuit breaker chassis car locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020818171.6U CN212277781U (en) | 2020-05-18 | 2020-05-18 | Circuit breaker chassis car locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212277781U true CN212277781U (en) | 2021-01-01 |
Family
ID=73877775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020818171.6U Active CN212277781U (en) | 2020-05-18 | 2020-05-18 | Circuit breaker chassis car locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212277781U (en) |
-
2020
- 2020-05-18 CN CN202020818171.6U patent/CN212277781U/en active Active
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