CN218828746U - Simple electrical interlocking device of centrally installed switchgear - Google Patents

Abstract

The utility model discloses a simple and easy electric interlocking device of put cabinet in simple structure, low in manufacturing cost and improvement factor of safety. The utility model discloses a put switch crossbeam board of cabinet and be located the switch curb plate of switch crossbeam board right-hand member in, switch curb plate middle part is equipped with the ground connection handle hole, the inner wall of switch curb plate is provided with ground connection slider and is located the last slide rail and the lower slide rail at both ends about the ground connection handle hole, ground connection slider gliding adaptation from top to bottom is installed in last slide rail and lower slide rail, and ground connection slider is equipped with the gleitbretter of dialling with ground connection handle hole looks adaptation, install the ground connection axle plate between the lower extreme of going up the slide rail and the upper end of lower slide rail, the ground connection axle plate is equipped with the operation uide bushing hole with ground connection handle hole looks adaptation, electromagnetic lock and the chain piece that is connected with the electromagnetic lock are installed to the inner wall of switch crossbeam board, be equipped with the screens piece on the ground connection slider, when putting the cabinet high-voltage terminal electrified, chain piece stretches into the lower extreme that withstands the screens piece in the switch curb plate. The utility model discloses be applied to and put the technical field of cabinet in.

Description

Simple electrical interlocking device of centrally installed switchgear

Technical Field

The utility model relates to an electrical interlocking device, in particular to put simple and easy electrical interlocking device of cabinet in.

Background

The overall armored movable central metal enclosed switchgear of the centrally-installed switchgear is divided into three layers, wherein the upper layer is a bus and an instrument room which are isolated from each other, the middle layer is a circuit breaker room, and the lower layer is a cable room. With circuit-breakers in the middle, so-called armoured type of withdrawable central metal-enclosed switchgear

The power line of the middle-placed cabinet adopts a hand-in-hand power supply mode, and when the circuit breaker in the middle-placed cabinet is located at a test position, the outgoing line side still has the possibility of being supplied with power from other substations. Before the grounding switch is closed, the outgoing line side is free of electricity, the traditional grounding shaft linkage of the middle-placed cabinet achieves the linkage effect purely by means of mechanical linkage, and once the mechanical linkage fails, misoperation easily occurs, such as the situation of electrified grounding, and the use risk coefficient is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a simple and easy electric interlocking device of the middle cabinet of simple structure, low in manufacturing cost and effectively improve factor of safety.

The utility model adopts the technical proposal that: the utility model discloses a switch crossbeam board of middle-placed cabinet and be located the switch curb plate of switch crossbeam board right-hand member, switch curb plate middle part is equipped with the ground connection handle hole, the inner wall of switch curb plate is provided with ground connection slider and is located the last slide rail and the lower slide rail at both ends about the ground connection handle hole, the adaptation that ground connection slider can slide from top to bottom is installed in last slide rail and the lower slide rail, and ground connection slider is equipped with the shifting slip sheet with ground connection handle hole adaptation, install the ground connection shaft plate between the lower extreme of last slide rail and the upper end of lower slide rail, the ground connection shaft plate be equipped with the operation uide bushing hole of ground connection handle hole adaptation, the inner wall of switch crossbeam board is installed electromagnetic lock and the locking plate that is connected with the electromagnetic lock, be equipped with the screens piece on the ground connection slider, when the middle-placed cabinet high-voltage end is electrified, the interlocking piece stretches into switch curb plate and pushes up the lower extreme of said screens piece, the ground connection slider can's unable downward slip, make shifting slip sheet, thereby ground connection handle can's unable operation hole is passed from the ground connection handle and is inserted in the operation uide bushing hole; when the high-voltage end of the middle-placed cabinet is not electrified, the electromagnetic lock drives the interlocking piece to retract, so that the interlocking piece avoids the upper and lower sliding tracks of the clamping piece.

Further, the ground connection slider includes the slider bottom plate and is located the slider curb plate of slider bottom plate left end, the upper and lower both ends of slider bottom plate are equipped with spout and lower spout respectively, go up the spout with the lower spout respectively with go up the slide rail with slide rail looks adaptation down, it is located to dial the gleitbretter the middle part of slider bottom plate, just it is equipped with the plectrum that stretches out the ground connection handle hole to dial the gleitbretter, the slider bottom plate still is equipped with and is located dial the breach that keeps off the gleitbretter upper end, the screens piece be a folding crosspiece and install in on the slider curb plate.

Furthermore, the electromagnetic lock is fixed on the inner wall of the switch beam plate through a bolt, and one end of the connecting plate is fixedly connected with the lock rod of the electromagnetic lock through a bolt.

Furthermore, the lower end of the upper slide rail and the upper end of the lower slide rail are both provided with mounting holes, and the grounding shaft plate is fixed in the two mounting holes through bolts.

Further, a sensor is arranged on the handcart of the middle-placed cabinet and used for detecting the electrification condition of the high-voltage end of the middle-placed cabinet, and the sensor is electrically connected with the electromagnetic lock.

The beneficial effects of the utility model are that: because the utility model discloses set up the screens piece on ground connection slider, make the even locking plate can block smoothly to screens piece department, when the high-pressure end was electrified, the electromagnetic lock shutting, chain piece withstood ground connection slider's screens piece, made ground connection slider can not the lapse, made the shifting slip sheet plug up the ground connection handle hole to ground connection handle can't pass the plug-in operation uide bushing downthehole from the ground connection handle hole, thereby reach chain purpose, so the utility model has the advantages of simple overall structure, low in manufacturing cost, and can effectively avoid the condition of electrified ground connection, improve the security of using.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the internal structure of the locked state of the present invention;

fig. 3 is a schematic structural view of the present invention with the switch beam plate and the switch side plate removed;

FIG. 4 is a schematic structural view of the upper and lower slide rails and the grounding slide block

Detailed Description

As shown in fig. 1 to 4, in this embodiment, the present invention includes a switch beam plate 1 of a centrally installed switchgear and a switch side plate 2 located at the right end of the switch beam plate 1, a grounding operation hole 3 is disposed in the middle of the switch side plate 2, an inner wall of the switch side plate 2 is provided with a grounding slider 4 and an upper slide rail 5 and a lower slide rail 6 located at the upper end and the lower end of the grounding operation hole 3, the grounding slider 4 is mounted in the upper slide rail 5 and the lower slide rail 6 in an adaptive manner, and the grounding slider 4 is provided with a shifting slip sheet 7 adapted to the grounding operation hole 3, a grounding shaft plate 8 is mounted between the lower end of the upper slide rail 5 and the upper end of the lower slide rail 6, the grounding shaft plate 8 is provided with an operation guide sleeve hole 9 adapted to the grounding operation hole 3, an electromagnetic lock 10 and a linking sheet 11 connected to the electromagnetic lock 10 are mounted on the inner wall of the switch beam plate 1, a blocking sheet 12 is disposed on the grounding slider 4, when the high voltage end of the centrally installed, the grounding operation hole is electrified, the electromagnetic lock 10 is blocked, and the grounding slider 12 cannot be inserted into the grounding operation hole 3, so that the grounding slider cannot be inserted into the grounding operation hole 7; when the high-voltage end of the centrally installed switchgear is not charged, the electromagnetic lock 10 drives the locking plate 11 to retract, so that the locking plate 11 avoids the up-and-down sliding track of the clamping plate 12, and the grounding slider 4 can slide downwards through the shifting sliding piece 7, so that the grounding operation hole 3 is communicated with the operation guide sleeve hole 9, and the grounding operation handle can pass through the grounding operation hole 3 and be inserted into the operation guide sleeve hole 9.

In this embodiment, the grounding slider 4 and the locking piece 11 are made of corrosion-resistant and high-temperature-resistant materials with certain mechanical strength.

In this embodiment, the ground sliding block 4 includes a sliding block bottom plate 41 and a sliding block side plate 42 located at the left end of the sliding block bottom plate 41, the upper and lower ends of the sliding block bottom plate 41 are respectively provided with an upper sliding groove 43 and a lower sliding groove 44, the upper sliding groove 43 and the lower sliding groove 44 are respectively matched with the upper sliding rail 5 and the lower sliding rail 6, the shifting and blocking sliding piece 7 is located at the middle part of the sliding block bottom plate 41, the shifting and blocking sliding piece 7 is provided with a shifting piece 71 extending out of the ground operation hole 3, the sliding block bottom plate 41 is further provided with a notch 45 located at the upper end of the shifting and blocking sliding piece 7, and the clamping piece 12 is a folding cross piece and is installed on the sliding block side plate 42.

In this embodiment, the electromagnetic lock 10 is fixed to the inner wall of the switch beam plate 1 by bolts, and one end of the connecting plate 11 is fixedly connected to the lock rod of the electromagnetic lock 10 by bolts.

In this embodiment, the lower end of the upper slide rail 5 and the upper end of the lower slide rail 6 are both provided with mounting holes 51, and the grounding shaft plate 8 is fixed in the two mounting holes 51 through bolts.

In this embodiment, be provided with the sensor on the handcart of putting the cabinet in, the sensor is used for detecting and puts the electrified condition of cabinet high-voltage end in, the sensor with electromagnetic lock 10 electric connection, the sensor can transmit electromagnetic lock 10 behind the signal processing controller with electrified signal to control the shutting or the state of unblanking of electromagnetic lock 10.

The utility model discloses be applied to and put the technical field of cabinet in.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not intended to limit the scope of the invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims (5)

1. The utility model provides a put simple and easy electric interlocking device of cabinet in, includes the switch crossbeam board (1) of putting the cabinet in and is located switch curb plate (2) of switch crossbeam board (1) right-hand member, switch curb plate (2) middle part is equipped with ground connection handle hole (3), its characterized in that: the inner wall of the switch side plate (2) is provided with a grounding sliding block (4), an upper sliding rail (5) and a lower sliding rail (6) which are positioned at the upper end and the lower end of the grounding operation hole (3), the grounding sliding block (4) is installed in the upper sliding rail (5) and the lower sliding rail (6) in an adaptive manner and can slide up and down, the grounding sliding block (4) is provided with a shifting slip sheet (7) adaptive to the grounding operation hole (3), a grounding shaft plate (8) is installed between the lower end of the upper sliding rail (5) and the upper end of the lower sliding rail (6), the grounding shaft plate (8) is provided with an operation guide sleeve hole (9) adaptive to the grounding operation hole (3), an electromagnetic lock (10) and a linkage sheet (11) connected with the electromagnetic lock (10) are installed on the inner wall of the switch beam plate (1), a clamping sheet (12) is arranged on the grounding sliding block (4), when the high-voltage end of the built-in cabinet is electrified, the linkage sheet (11) extends into the switch side plate (2) to jack the lower end of the clamping sheet (12), the grounding sliding block the grounding operation hole (3), and the grounding operation hole (7) cannot be plugged by the grounding operation sleeve hole (7); when the high-voltage end of the centrally installed switchgear is not electrified, the electromagnetic lock (10) drives the locking piece (11) to retract, so that the locking piece (11) avoids the up-and-down sliding track of the clamping piece (12).

2. The simple electrical interlocking device for the centrally installed switchgear according to claim 1, wherein: ground connection slider (4) include slider bottom plate (41) and slider curb plate (42) that are located slider bottom plate (41) left end, the upper and lower both ends of slider bottom plate (41) are equipped with spout (43) and lower chute (44) respectively, go up spout (43) with lower spout (44) respectively with go up slide rail (5) with slide rail (6) looks adaptation down, it is located to dial gleitbretter (7) the middle part of slider bottom plate (41), just it is equipped with plectrum (71) that stretches out ground connection handle hole (3) to dial gleitbretter (7), slider bottom plate (41) still are equipped with and are located dial breach (45) that keep off gleitbretter (7) upper end, screens piece (12) be a folding horizontal slice and install in on slider curb plate (42).

3. The simple electrical interlocking device for the centrally installed switchgear according to claim 1, wherein: electromagnetic lock (10) are fixed in through the bolt switch crossbeam board (1) inner wall, the one end of linking piece (11) with the locking lever of electromagnetic lock (10) passes through bolt fixed connection.

4. The simple electrical interlocking device for the centrally installed switchgear according to claim 1, wherein: the lower end of the upper sliding rail (5) and the upper end of the lower sliding rail (6) are respectively provided with a mounting hole (51), and the grounding shaft plate (8) is fixed in the two mounting holes (51) through bolts.

5. The simple electrical interlocking device for the centrally installed switchgear, according to claim 1, wherein: the handcart of the middle-placed cabinet is provided with a sensor, the sensor is used for detecting the electrified condition of the high-voltage end of the middle-placed cabinet, and the sensor is electrically connected with the electromagnetic lock (10).

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