CN218215055U - Interlocking device for preventing misoperation of SF6 gas-filled cabinet - Google Patents
Interlocking device for preventing misoperation of SF6 gas-filled cabinet Download PDFInfo
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- CN218215055U CN218215055U CN202222775121.6U CN202222775121U CN218215055U CN 218215055 U CN218215055 U CN 218215055U CN 202222775121 U CN202222775121 U CN 202222775121U CN 218215055 U CN218215055 U CN 218215055U
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- interlocking
- breaker mechanism
- circuit breaker
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Abstract
The utility model discloses an interlock that is used for SF6 to aerify cabinet and prevents maloperation, including the interlock body, the top of interlock body has set gradually circuit breaker mechanism combined floodgate button, circuit breaker mechanism combined floodgate gyro wheel, interlocking subassembly and combined floodgate electro-magnet, and the one end of circuit breaker mechanism combined floodgate gyro wheel is provided with circuit breaker mechanism combined floodgate baffle, and one side of circuit breaker mechanism combined floodgate baffle is provided with the trigger baffle. The interlocking device body of the utility model has simple structure, convenient operation, more reliable and more convenient misoperation solution, achieves the purpose of preventing misoperation, and when the isolating switch is at the switching-on position and the operating handle is not pulled out of the isolating main shaft, no matter the switching-on button on the operating circuit breaker mechanism or the switching-on button on the control box, the circuit breaker can not be switched on, thereby satisfying mechanical interlocking and electrical interlocking; only when the operating handle is pulled out, the breaker mechanism can be switched on.
Description
Technical Field
The utility model relates to a looped netowrk distribution switch cabinet field particularly, relates to an interlock that is used for SF6 to aerify the cabinet and prevents maloperation.
Background
The breaker mechanism and the isolation mechanism used by the SF6 gas-filled cabinet are provided with interlocking devices, and when the isolation mechanism is in a closing state, the breaker mechanism can be closed; when the circuit breaker is in a switching-on position, a crank arm on a main shaft of the circuit breaker mechanism pushes an interlocking plate to move downwards, the interlocking plate blocks a main shaft of the isolation mechanism, and the isolation mechanism cannot perform switching-on and switching-off operation at the moment.
The five-prevention of the high-voltage switch cabinet is as follows: 1. the isolating switch is prevented from being switched on and off under load; 2. the circuit breaker, the load switch and the contactor are prevented from being opened and closed by mistake; 3. the circuit breaker and the load switch are prevented from being closed when the grounding switch is in a closed position; 4. prevent the false switch-on when electrified; 5. prevent the false entering of the charged interval.
When an operation handle is used for operating an isolation main shaft on the isolation mechanism, the operation handle is rotated clockwise, the isolation switch is switched from a switch-off position to a switch-on position, the operation handle is not pulled out at the moment, when a switch-on button on the circuit breaker mechanism or a switch-on button on a control box is manually operated, the circuit breaker mechanism is switched from the switch-off position to the switch-on position, an interlocking plate on the circuit breaker mechanism moves downwards to conflict with the operation handle at the moment, and interlocking fails or deforms. If the operating handle is rotated anticlockwise under the condition, the disconnecting switch is switched from a switching-on position to a switching-off position, the disconnecting switch is switched off and on electrically, and the cabinet is burnt. Interlocking does not meet the above-mentioned "five prevention" requirements.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an interlock that is used for SF6 to aerify cabinet and prevents maloperation possesses simple structure, convenient operation, more reliable, more convenient solution maloperation's advantage, and then interlocks among the prior art and can not satisfy the problem of "five prevent" requirement.
(II) technical scheme
For realizing above-mentioned simple structure, convenient operation, more reliable, more convenient solution maloperation's advantage, the utility model discloses a concrete technical scheme as follows:
the utility model provides an interlock that is used for SF6 to aerify cabinet and prevents maloperation, includes the interlock body, the top of interlock body has set gradually circuit breaker mechanism closing button, circuit breaker mechanism closing roller, interlocking subassembly and closing electromagnet, and the one end of circuit breaker mechanism closing roller is provided with circuit breaker mechanism closing baffle, and one side of circuit breaker mechanism closing baffle is provided with the trigger baffle.
Furthermore, under the action of the interlocking assembly, when the isolating switch is in a switching-on position and the operating handle is not pulled out from the isolating main shaft, the circuit breaker can not be switched on no matter a switching-on button on the circuit breaker mechanism or a switching-on button on the control box is operated, and mechanical interlocking and electrical interlocking are met; only when the operating handle is pulled out, the breaker mechanism can be switched on; the utility model discloses avoided operating handle on the isolation main shaft, circuit breaker mechanism combined floodgate leads to interlocking inefficacy or deformation, has also avoided circuit breaker mechanism combined floodgate back simultaneously, and isolator is operated to the separating brake position by the combined floodgate position, causes electrified divide-shut isolator; after the isolating switch is switched on, the circuit breaker cannot be switched on as long as the operating handle is not pulled out, the interlocking assembly comprises a limiting pin arranged at the top of the interlocking device body, a limiting connecting lever is sleeved at the top of the limiting pin, a limiting bolt is arranged at one end of the limiting connecting lever, which is far away from the limiting pin, and the limiting bolt is sequentially connected with the limiting connecting lever, the interlocking plate and a tension spring; the interlocking assembly further comprises a pin shaft arranged on one side of the limiting plate, and the back of the pin shaft is sleeved with a trigger connecting lever; and one end of the trigger crank arm, which is far away from the pin shaft, is provided with an isolation mechanism main shaft.
Furthermore, in order to ensure the stable connection of the pin shaft, the other side of the pin shaft is fixedly connected with the limiting plate through a fixing bolt.
Furthermore, in order to enable the interlocking plate to be connected with the triggering connecting lever and the limiting connecting lever, the interlocking plate is of an L-shaped structure, and therefore stable operation of the interlocking device body is guaranteed.
(III) advantageous effects
Compared with the prior art, the utility model provides an interlock that is used for SF6 to aerify cabinet and prevents maloperation possesses following beneficial effect:
(1) The utility model discloses an interlock body simple structure, convenient operation, more reliable, more convenient solution maloperation reach the purpose of preventing maloperation.
(2) When the isolating switch is in the switching-on position and the operating handle is not pulled out from the isolating main shaft, the circuit breaker can not be switched on no matter the switching-on button on the operating circuit breaker mechanism or the switching-on button on the control box, thereby meeting the mechanical interlocking and the electrical interlocking; only when the operating handle is pulled out, the breaker mechanism can be switched on.
(3) The utility model discloses avoided operating handle on the isolation main shaft, circuit breaker mechanism combined floodgate, lead to interlocking inefficacy or deformation, also avoided circuit breaker mechanism combined floodgate back simultaneously, isolator from closing the floodgate position operation to the separating brake position, caused electrified deciliter isolator; after the isolating switch is switched on, the breaker can not be switched on as long as the operating handle is not pulled out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 view of an interlock device for preventing misoperation of an SF6 gas-filled cabinet according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a top view of an interlock for preventing misoperations of an SF6 gas cabinet in accordance with an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at C;
fig. 6 is a schematic structural diagram of a linkage assembly in the interlocking device for preventing misoperation of the SF6 gas-filled cabinet according to the embodiment of the invention.
In the figure:
1. an interlock device body; 2. a circuit breaker mechanism closing button; 3. a closing roller of the circuit breaker mechanism; 4. an interlock assembly; 401. a spacing pin; 402. a limit crank arm; 403. a limit bolt; 404. an interlock plate; 405. a tension spring; 406. a limiting groove; 407. interlocking plate limit pins; 408. a fixing plate; 409. adjusting the bolt; 410. a limiting plate; 411. a pin shaft; 412. triggering the crank arm; 413. a main shaft of the isolation mechanism; 414. fixing the bolt; 5. a breaker mechanism closing baffle; 6. triggering a baffle; 7. and (6) closing the electromagnet.
Detailed Description
To further illustrate the various embodiments, the present invention provides the accompanying drawings, which are part of the disclosure and which are primarily intended to illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and, by reference to these drawings, those of ordinary skill in the art will understand the principles of the invention and its advantages, with reference to the drawings and figures, in which elements are not drawn to scale and like elements are generally designated by like reference numerals.
According to the utility model discloses an embodiment provides an interlock that is used for SF6 to aerify cabinet and prevents maloperation.
It is right with the detailed embodiment now to combine the drawings the utility model discloses it is further explained, as shown in fig. 1-fig. 6, according to the utility model discloses a be used for SF6 to aerify cabinet maloperation's interlock, including interlock body 1, interlock body 1's top has set gradually circuit breaker mechanism closing button 2, circuit breaker mechanism closing roller 3, interlocking subassembly 4 and combined floodgate electro-magnet 7, and circuit breaker mechanism closing roller 3's one end is provided with circuit breaker mechanism closing baffle 5, and one side of circuit breaker mechanism closing baffle 5 is provided with trigger baffle 6.
By means of the technical scheme, the interlocking device body 1 of the utility model has the advantages of simple structure, convenient operation, more reliability and more convenient misoperation solving, and achieves the purpose of preventing misoperation, when the isolating switch is in the switching-on position and the operating handle is not pulled out from the isolating main shaft, no matter the switching-on button on the circuit breaker mechanism or the switching-on button on the control box is operated, the circuit breaker can not be switched on, and the mechanical interlocking and the electrical interlocking are met; only when the operating handle is pulled out, the breaker mechanism can be switched on; the utility model discloses avoided operating handle on the isolation main shaft, circuit breaker mechanism combined floodgate leads to interlocking inefficacy or deformation, has also avoided circuit breaker mechanism combined floodgate back simultaneously, and isolator is operated to the separating brake position by the combined floodgate position, causes electrified divide-shut isolator; after the isolating switch is switched on, the breaker can not be switched on as long as the operating handle is not pulled out.
In one embodiment, for the interlocking component 4, the interlocking component 4 includes a limit pin 401 disposed at the top of the interlocking device body 1, a limit crank arm 402 is sleeved on the top of the limit pin 401, a limit bolt 403 is disposed at one end of the limit crank arm 402 away from the limit pin 401, and the limit bolt 403 is sequentially connected to the limit crank arm 402, the interlocking plate 404 and the tension spring 405; the surface of the interlocking plate 404 is provided with two limiting grooves 406, the insides of the limiting grooves 406 are connected with the fixing plate 408 through interlocking plate limiting pins 407, the bottom of one end, far away from the limiting crank arm 402, of the interlocking plate 404 is connected with a limiting plate 410 through an adjusting bolt 409, the interlocking assembly 4 further comprises a pin shaft 411 arranged on one side of the limiting plate 410, and the back of the pin shaft 411 is sleeved with a trigger crank arm 412; an isolation mechanism main shaft 413 is arranged at one end, far away from the pin shaft 411, of the trigger crank arm 412, the other side of the pin shaft 411 is fixedly connected with the limiting plate 410 through a fixing bolt 414, so that under the action of the interlocking component 4, when the isolating switch is located at a switching-on position and the operating handle is not pulled out of the isolation main shaft, no matter a switching-on button on the circuit breaker mechanism or a switching-on button on the control box is operated, the circuit breaker cannot be switched on, and mechanical interlocking and electrical interlocking are met; only when the operating handle is pulled out, the breaker mechanism can be switched on; the utility model discloses avoided operating handle on the isolation main shaft, circuit breaker mechanism combined floodgate, lead to interlocking inefficacy or deformation, also avoided circuit breaker mechanism combined floodgate back simultaneously, isolator from closing the floodgate position operation to the separating brake position, caused electrified deciliter isolator; after the isolating switch is switched on, the breaker can not be switched on as long as the operating handle is not pulled out.
In one embodiment, the interlock plate 404 is an L-shaped structure for the interlock plate 404, such that the interlock plate 404 can connect the triggering lever 412 and the limit lever 402, thereby ensuring stable operation of the interlock body 1.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, when the operating handle is inserted into the isolating mechanism spindle 413, the operating handle drives the trigger crank arm 412 to extrude towards the inner side, the trigger crank arm 410 is driven to move upwards through the pin shaft 411 sequentially, the adjusting bolt 409 and the interlocking plate 404 are driven to rotate towards the left side through the limiting bolt 403, the limiting pin 401 on the surface of the limiting crank arm 402 can press the closing baffle 5 of the circuit breaker mechanism, the closing button 2 of the circuit breaker mechanism is pressed at the moment or the circuit breaker mechanism is electrically operated to electrify the closing electromagnet 7, and the circuit breaker cannot be closed.
When the operating handle is inserted into the isolating mechanism main shaft 413 and rotates clockwise, the isolating switch is switched on from a switch-off position, the operating handle is pulled out after the operation is completed, the trigger connecting lever 412 is not extruded, the interlocking device does not act, the switch-on button 2 of the circuit breaker mechanism is pressed down or the circuit breaker mechanism is electrically operated to electrify the switch-on electromagnet 7, and the circuit breaker can be normally switched on.
In conclusion, with the aid of the technical solution of the present invention, the interlock device body 1 of the present invention has a simple structure, is convenient to operate, and is more reliable and convenient to solve the misoperation, so as to achieve the purpose of preventing misoperation, when the disconnecting switch is in the switching-on position and the operating handle is not pulled out of the isolating main shaft, no matter the switching-on button on the circuit breaker mechanism or the switching-on button on the control box is operated, the circuit breaker can not be switched on, and mechanical interlocking and electrical interlocking are satisfied; only when the operating handle is pulled out, the breaker mechanism can be switched on. The utility model discloses avoided operating handle on the isolation main shaft, circuit breaker mechanism closes a floodgate, leads to interlocking inefficacy or deformation, has also avoided circuit breaker mechanism combined floodgate back simultaneously, and isolator is operated the separating brake position by the combined floodgate position, causes electrified deciliter isolator. After the isolating switch is switched on, the breaker can not be switched on as long as the operating handle is not pulled out.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an interlock that is used for SF6 to aerify cabinet and prevents maloperation, includes interlock body (1), its characterized in that:
the top of the interlocking device body (1) is sequentially provided with a breaker mechanism closing button (2), a breaker mechanism closing roller (3), an interlocking assembly (4) and a closing electromagnet (7).
2. The interlocking device for preventing misoperation of the SF6 gas-filled cabinet as claimed in claim 1, wherein one end of the breaker mechanism closing roller (3) is provided with a breaker mechanism closing baffle (5), and one side of the breaker mechanism closing baffle (5) is provided with a trigger baffle (6).
3. The interlocking device for preventing misoperation of the SF6 gas-filled cabinet as claimed in claim 1, wherein said interlocking component (4) comprises a limit pin (401) arranged at the top of said interlocking device body (1), the top of said limit pin (401) is sleeved with a limit crank arm (402), one end of said limit crank arm (402) far away from said limit pin (401) is provided with a limit bolt (403), and said limit bolt (403) is connected with said limit crank arm (402), interlocking plate (404) and tension spring (405) in sequence;
two limiting grooves (406) are formed in the surface of the interlocking plate (404), the inner portions of the limiting grooves (406) are connected with the fixing plate (408) through interlocking plate limiting pins (407), and the bottom of one end, away from the limiting crank arm (402), of the interlocking plate (404) is connected with the limiting plate (410) through an adjusting bolt (409).
4. The interlocking device for preventing the misoperation of the SF6 gas-filled cabinet according to claim 3, wherein the interlocking component (4) further comprises a pin (411) arranged at one side of the limiting plate (410), and a triggering crank arm (412) is sleeved on the back side of the pin (411);
and an isolation mechanism spindle (413) is arranged at one end, far away from the pin shaft (411), of the trigger crank arm (412).
5. The interlocking device for preventing misoperation of the SF6 gas tank as claimed in claim 4 wherein the other side of the pin shaft (411) is fixedly connected to the limit plate (410) by a fixing bolt (414).
6. The interlocking device for preventing misoperation of an SF6 gas tank as recited in claim 4, wherein said interlocking plate (404) is of L-shaped configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775121.6U CN218215055U (en) | 2022-10-20 | 2022-10-20 | Interlocking device for preventing misoperation of SF6 gas-filled cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775121.6U CN218215055U (en) | 2022-10-20 | 2022-10-20 | Interlocking device for preventing misoperation of SF6 gas-filled cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218215055U true CN218215055U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222775121.6U Active CN218215055U (en) | 2022-10-20 | 2022-10-20 | Interlocking device for preventing misoperation of SF6 gas-filled cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218215055U (en) |
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2022
- 2022-10-20 CN CN202222775121.6U patent/CN218215055U/en active Active
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