CN218069670U - Interlocking mechanism for centrally installed switchgear - Google Patents

Abstract

The utility model discloses an interlocking device for in put cabinet, put the cabinet body and arrange the circuit breaker of the internal portion of cabinet in including, put one side of the cabinet body in and be equipped with interlocking assembly, the inside both sides of putting the cabinet body in are equipped with the slide, sliding connection has the slide between the slide, the upper end fixed mounting of slide has the circuit breaker, the one end that the circuit breaker is close to interlocking assembly is equipped with a plurality of through-holes, and it is through a plurality of the through-hole with interlocking assembly connects with one heart. The utility model relates to an interlocking device for in put cabinet can make no matter how many load switches through interlocking subassembly, as long as the procedure lock key playback circuit breaker side can normal operating when the unblock position, reaches the multichannel power and only allows one way power simultaneously, avoids the multichannel power to close the danger that arouses the short circuit simultaneously, reaches the mechanical interlocking function that many circuit breakers can only close two simultaneously, and a plurality of interval circuit breakers can reach the efficiency of safe operation according to the functional requirement.

Description

Interlocking mechanism for centrally installed switchgear

Technical Field

The utility model relates to a cubical switchboard technical field, in particular to an interlocking device for in put cabinet.

Background

At present, a centrally installed switchgear is a common electrical device mainly including a circuit breaker, and is divided into a low-voltage centrally installed switchgear, a medium-voltage centrally installed switchgear, and a high-voltage centrally installed switchgear. The centrally installed switchgear mainly comprises a switchgear body, wherein a bus chamber, an instrument chamber, a bus chamber, a breaker chamber, a switch operating mechanism, an interlocking device and the like are arranged in the switchgear body.

In the power system, a rear door interlock of the centrally installed switchgear mainly comprises a rear door plate, a blocking piece, a side plate, a grounding switch large shaft and an interlocking piece. The rear door interlocking device mainly rotates by operating a large shaft of the grounding switch, the rotation of the large shaft of the grounding switch drives the interlocking piece to rotate, when the rear door panel is closed, the rotating interlocking piece is just clamped and transferred between the blocking piece and the rear door panel, and therefore the purpose of interlocking the rear door panel is achieved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an interlocking device for in put cabinet.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an interlocking device for in put cabinet, including put the cabinet body in and arrange the circuit breaker of the internal portion of cabinet in, a serial communication port, the one side of putting the cabinet body in is equipped with interlocking component, the inside both sides of putting the cabinet body in are equipped with the slide, sliding connection has the slide between the slide, the upper end fixed mounting of slide has the circuit breaker, the one end that the circuit breaker is close to interlocking component is equipped with a plurality of through-holes, and it is through a plurality of the through-hole with interlocking component connects with one heart.

As a preferred technical scheme of the utility model, interlocking subassembly includes procedure lock and interlocking device support piece, interlocking device support piece fixed mounting in put one side of the cabinet body in, interlocking device support piece's one end fixedly connected with procedure lock, one side of procedure lock is equipped with the procedure lock key, the inside of procedure lock is equipped with hollow procedure lock link rod locating hole.

As an optimal technical scheme of the utility model, the quantity of procedure lock interlink locating hole is three, corresponds respectively and puts the three circuit breaker divide-shut brake of the internal portion of cabinet A, B and C in the cabinet.

As an optimal technical scheme of the utility model, the circuit breaker is kept away from one side from the top down of interlocking subassembly is equipped with leading-out terminal moving contact and inlet wire end moving contact in proper order.

As a preferred technical scheme of the utility model, the inside fixed mounting of the centrally installed switchgear cabinet body have with the corresponding leading-out terminal static contact of leading-out terminal moving contact.

As an optimized technical scheme of the utility model, the inside fixed mounting of the middle cabinet body have with the corresponding inlet wire end static contact of inlet wire end moving contact.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model relates to an interlocking device for in put cabinet can effectively solve and can't carry out the problem of 2 or 3 circuit breaker interlocks simultaneously, can make no matter how many load switch through the interlocking subassembly, as long as the program lock key playback circuit breaker side can normal operating when the unblock position, reach the multichannel power and only allow one way power simultaneously, avoid the multichannel power to close the danger that arouses the short circuit simultaneously, reach the mechanical interlocking function that many circuit breakers can only close two simultaneously, a plurality of interval circuit breakers can reach the efficiency of safe operation according to the functional requirement, by the utility model relates to a rationally, easy operation, high-efficient swift is fit for promoting.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a schematic view of the locking position of the program lock link of the present invention;

FIG. 4 is a schematic view of the program lock link unlocking position of the present invention;

fig. 5 is a schematic diagram of the circuit breaker isolation position of the present invention;

fig. 6 is a schematic diagram of the connection position of the circuit breaker of the present invention;

in the figure: 1. a middle cabinet body; 2. a circuit breaker; 3. an interlock assembly; 301. a program lock; 302. an interlocking mechanism support; 303. a program lock key; 304. positioning holes for the program lock link rod; 4. a slideway; 5. a slide plate; 6. a moving contact at a wire outlet end; 7. a moving contact at the wire inlet end; 8. a fixed contact of a wire outlet end; 9. and (4) a static contact at the wire inlet end.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1-4, the utility model provides an interlocking device for in put cabinet, including in put cabinet body 1 and arrange the circuit breaker 2 of internal portion of cabinet in, the one side of putting cabinet body 1 in is equipped with interlocking component 3, the inside both sides of putting cabinet body 1 in are equipped with slide 4, sliding connection has slide 5 between the slide 4, the upper end fixed mounting of slide 5 has circuit breaker 2, circuit breaker 2 is close to interlocking component 3's one end and is equipped with a plurality of through-holes, it is connected with interlocking component 3 concentric through a plurality of through-holes, one side from the top down that interlocking component 3 was kept away from to circuit breaker 2 is equipped with leading-out terminal moving contact 6 and inlet wire end moving contact 7 in proper order, the inside fixed mounting of putting cabinet body 1 has leading-out terminal static contact 8 corresponding with leading-out terminal moving contact 6, the inside fixed mounting of putting cabinet body 1 has inlet wire end moving contact 7 corresponding inlet wire end static contact 9 can make the multichannel power supply colleague only allow one way power supply through interlocking component 3, reach many interval circuit breakers 2 safe operation.

Further, the interlocking assembly 3 comprises a program lock 301 and an interlocking mechanism support 302, the interlocking mechanism support 302 ensures the strength of fixed installation, the interlocking mechanism support 302 is fixedly installed on one side of the centrally installed switchgear cabinet 1, one end of the interlocking mechanism support 302 is fixedly connected with the program lock 301, one side of the program lock 301 is provided with a program lock key 303, the program lock is controlled by the program lock key 303, and a hollow program lock link rod positioning hole 304 is formed in the program lock 301.

The number of the program lock link rod positioning holes 304 is three, and the program lock link rod positioning holes correspond to three circuit breaker opening and closing operations A, B and C in the middle cabinet body 1 respectively.

Specifically, as shown in fig. 5, in the using process, the closing operation flow of the circuit breaker a is as follows: the program lock key 303 is inserted into the interval program of the circuit breaker A, the program lock 301 rotates anticlockwise, the program lock link rod rotates from a locking position to an unlocking position, the program lock key 303 cannot be taken out (the program lock key 303 is not used for operating the required circuit breaker B), the link rod of the program lock 301 retracts into the program lock 301, the link rod exits from the program lock link rod positioning hole 304, the circuit breaker 2 can be inserted into the A circuit breaker pushing operation hole on the operating handle side, the circuit breaker 2 is rotated clockwise to be pushed into a circuit breaker 2 connecting position from an isolation position, the circuit breaker 2 cannot be pushed into the circuit breaker 2 connecting position when the program lock 301 link rod is in the locking position, otherwise, the circuit breaker 2 can be pushed into the circuit breaker 2 connecting position only when the program lock link rod is in the unlocking position, and the circuit breaker A circuit breaker side can be normally operated in a switching-off mode.

As shown in fig. 6, the closing operation flow of the B breaker is as follows: to withdraw the A circuit breaker from operation, the circuit breaker operating handle side can be inserted into the A circuit breaker pushing-in operating hole, the counterclockwise rotation circuit breaker 2 is withdrawn from the connection position to the circuit breaker 2 isolation position, the key of the program lock 301 rotates clockwise, the program lock 301 connecting rod rotates from the unlocking position to the locking position, the program lock key 303 is taken out, the program lock key 303 is inserted into the B circuit breaker interval program, the program lock 301 rotates counterclockwise, the program lock 301 connecting rod rotates from the locking position to the unlocking position, the program lock key 303 cannot be taken out (the program lock key 303 cannot operate the required A circuit breaker), the connecting rod of the program lock 301 retracts into the program lock 301 and simultaneously the connecting rod exits the program lock connecting rod positioning hole 304, the circuit breaker 2 operating handle side can be inserted into the B circuit breaker pushing-in operating hole, the clockwise rotation circuit breaker 2 is pushed from the isolation position to the circuit breaker 2 connection position (the circuit breaker cannot be pushed into the circuit breaker 2 connection position when the program lock 301 connecting rod is at the locking position, otherwise the circuit breaker 2 can be pushed into the circuit breaker connection position only when the program lock connecting rod is at the unlocking position), and the circuit breaker can be normally operated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 interlocking device for put cabinet in, put cabinet body (1) and arrange circuit breaker (2) of the internal portion of cabinet in including, its characterized in that, put one side of the cabinet body of cabinet (1) in and be equipped with interlocking subassembly (3), the inside both sides of putting the cabinet body of cabinet (1) in are equipped with slide (4), sliding connection has slide (5) between slide (4), the upper end fixed mounting of slide (5) has circuit breaker (2), the one end that circuit breaker (2) are close to interlocking subassembly (3) is equipped with a plurality of through-holes, its through-hole with interlocking subassembly (3) are connected with one heart.

2. An interlocking mechanism for a centrally installed switchgear cabinet according to claim 1, characterized in that the interlocking assembly (3) comprises a program lock (301) and an interlocking mechanism support (302), the interlocking mechanism support (302) is fixedly installed on one side of the centrally installed switchgear cabinet body (1), one end of the interlocking mechanism support (302) is fixedly connected with the program lock (301), one side of the program lock (301) is provided with a program lock key (303), and the interior of the program lock (301) is provided with a hollow program lock link positioning hole (304).

3. The interlocking mechanism for the centrally installed switchgear according to claim 2, wherein the number of the program lock link rod positioning holes (304) is three, and the program lock link rod positioning holes correspond to three circuit breaker opening/closing switches a, B and C inside the centrally installed switchgear body (1).

4. An interlocking mechanism for a centrally installed switchgear, according to claim 1, characterized in that the side of the circuit breaker (2) away from the interlocking assembly (3) is provided with a moving contact terminal (6) and a moving contact terminal (7) from top to bottom.

5. The interlocking mechanism for the centrally installed switchgear according to claim 4, wherein a fixed outlet terminal contact (8) corresponding to the movable outlet terminal contact (6) is fixedly installed inside the centrally installed switchgear body (1).

6. The interlocking mechanism for the centrally installed switchgear according to claim 4, wherein a stationary inlet end contact (9) corresponding to the movable inlet end contact (7) is fixedly installed inside the centrally installed switchgear body (1).

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