CN217468281U

CN217468281U - Interlocking mechanism between isolation and circuit breaker of multifunctional combined vacuum circuit breaker

Info

Publication number: CN217468281U
Application number: CN202121646738.7U
Authority: CN
Inventors: 郑希清; 廖荣建
Original assignee: Zhejiang Chhk Electric Co ltd
Current assignee: Zhejiang Chhk Electric Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-09-20
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a many function combination vacuum circuit breaker's isolation and interlocking gear between circuit breaker, it includes the division board, and the division board upside is equipped with the opening, and the upside of opening is equipped with combined floodgate interlocking board, the articulated isolation interlocking board that is equipped with on the division board, the upper end of isolation interlocking board is located opening department, and the front side of opening sets up to the inclined plane, and formation can supply combined floodgate interlocking board male space between isolation interlocking board and the opening side, and when the division board had antedisplacement part to arrange in and separates off axle or earthing shaft position department position, the division board was arranged in first state and division board rethread in the space leave when separating off axle or earthing shaft position, the second state of division board downside was arranged in to isolation interlocking board. The division board can be under the condition of keeping apart, the shutoff keeps apart the handle hole of axle and ground connection axle, plays the manual divide-shut brake operation of restriction, utilizes the mutual cooperation of division board and isolation interlocking board in addition, plays the effect of restriction operation to operating system, its simple structure, and the reliability is high.

Description

Interlocking mechanism between isolation and circuit breaker of multifunctional combined vacuum circuit breaker

Technical Field

The utility model belongs to the technical field of vacuum circuit breaker, concretely relates to interlocking gear between many function combination vacuum circuit breaker's isolation and circuit breaker.

Background

At present, in order to ensure personal safety, high-voltage electrical equipment is required to have five anti-error functions of preventing a circuit breaker from being switched off and on by mistake, preventing an isolating switch from being switched on and off with load, preventing a grounding wire (grounding switch) from being hung (switched on) with power, preventing the grounding wire from being electrified, and preventing the grounding wire from being switched into a live interval by mistake, wherein the five anti-error functions are the most important part in power safety.

Therefore, how to more effectively prevent the misoperation of the vacuum circuit breaker in the working or grounding state is an important index for ensuring the safety and reliability of the vacuum circuit breaker.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a interlocking gear between many function combination vacuum circuit breaker's isolation and circuit breaker.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an interlocking mechanism between the isolation and the breaker of a multifunctional combined vacuum breaker comprises an isolation plate which can vertically separate the movement of the axis or the central line direction of a grounding axis, the upper side of the isolating plate is provided with a gap, the upper side of the gap is provided with a closing interlocking plate which can move along the direction vertical to the moving direction of the isolating plate, an isolation interlocking plate is hinged on the isolation plate, the upper end of the isolation interlocking plate is positioned at the notch, the front side of the opening is provided with an inclined plane, a space for inserting the switching-on interlocking plate is formed between the isolation interlocking plate and the side of the opening, the isolation plate has a first state in which the isolation plate is disposed in the space when the forward moving portion is disposed at the position of the isolation shaft or the grounding shaft, and a second state in which the isolation interlocking plate is disposed on the lower side of the isolation plate when the isolation plate is moved backward away from the position of the isolation shaft or the grounding shaft.

And the isolation indication board is arranged on the isolation board.

The switching-on interlocking plate is provided with a groove, a switch part of a microswitch is arranged in the groove, and the switching-on interlocking plate triggers the switch part of the microswitch at the time of moving downwards.

The bottom of the groove is an inclined plane.

And a linkage shaft is arranged at the upper end of the switching-on interlocking plate.

The isolation board comprises a sliding part, an auxiliary board and a main board, wherein the auxiliary board and the main board are symmetrically arranged by downwards extending two sides of the sliding part, and a connecting shaft is arranged between the auxiliary board and the main board.

The rear end of the isolation plate is provided with an isolation micro-motion linkage plate, and the isolation micro-motion linkage plate is in linkage arrangement with an isolation micro-motion pressing plate used for triggering the micro-motion switch.

The isolation plate is connected with the isolation shaft crank arm through the connecting plate.

The sliding part is provided with a sliding groove.

The utility model has the advantages that: the isolating plate can block the operating holes of the isolating shaft and the grounding shaft under the condition of isolation, so that manual opening and closing operation is limited, and in addition, the isolating plate is matched with the isolating interlocking plate to limit operation of an operating system.

Drawings

Fig. 1 is a schematic view of the assembly of the present invention in a vacuum circuit breaker.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a front view of the present invention in the first state.

Fig. 4 is a front view of the present invention in the second state.

Fig. 5 is a schematic structural view of the separator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; the connection can be mechanical connection or connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in the figures, the utility model discloses an isolation and circuit breaker interlocking mechanism of a multifunctional combined vacuum circuit breaker, which comprises an isolation plate capable of vertically separating the movement of the axis 3 or the earth axis 4 in the central line direction, namely, the isolation plate 1 can slide relatively and can move to the position of the isolation shaft or the earth axis, when the isolation plate moves to the position, the insertion of a manual operating mechanism can be limited, so that the isolation shaft or the earth axis can not be manually operated, the upper side of the isolation plate is provided with a gap 15, the upper side of the gap is provided with an interlocking plate 2 capable of moving along the direction vertical to the movement direction of the isolation plate, the interlocking plate 2 can be lifted by the isolation plate, the isolation plate is hinged with an interlocking plate 6, the upper end of the isolation interlocking plate is positioned at the gap, a space 11 for the insertion of the closing plate is formed between the isolation interlocking plate and the side of the gap, when the isolating plate is provided with a forward moving part arranged at the position of an isolating shaft or a grounding shaft, the isolating plate is arranged in a first state in the space, and when the isolating plate moves backwards away from the position of the isolating shaft or the grounding shaft, the isolating interlocking plate is arranged in a second state at the lower side of the isolating plate, an elastic part is arranged between the isolating interlocking plate and the isolating plate, one side of the isolating interlocking part, which is contacted with the isolating plate, is provided with a limit post, the limit post ensures that the isolating interlocking plate can also maintain a space for inserting the closing interlocking plate under the reset of the elastic part, the front side of the notch is provided with an inclined surface, when the isolating plate moves towards the direction opposite to the isolating shaft or the grounding shaft, the inclined surface gradually moves the closing interlocking plate inserted in the space upwards, and the closing interlocking plate extrudes the isolating plate while ascending, and when the closing plate moves to the highest position, the isolation interlocking plate resets under the action of the elastic piece and is arranged on the lower side of the switching-on interlocking plate to prevent the switching-on interlocking plate from being continuously inserted into the space, so that the locking and unlocking operations are completed, and the vacuum circuit breaker can be prevented from switching on and off during isolation.

And an isolation indication board 5 is arranged on the isolation board, adopts red and green marks and is used for playing the indication of isolation and an isolation switch when the isolation board moves.

The switching-on interlocking plate is provided with a groove 22, a switch part of a micro switch is arranged in the groove, and the switching-on interlocking plate triggers the switch part of the micro switch at the time of moving downwards. The micro switch matched with the switching-on interlocking plate is triggered by the up-and-down action of the switching-on interlocking plate, so that the output of signals is realized.

The bottom of the groove is an inclined plane. The upper end of combined floodgate interlocking board is equipped with universal driving shaft 21, utilizes universal driving shaft and circuit breaker drive mechanism to realize the cooperation, can restrict the manual divide-shut brake of circuit breaker drive mechanism, avoids maloperation when keeping apart, and drive mechanism is current technique, and this application is not describing.

The isolation plate comprises a sliding part, an auxiliary plate 13 and a main plate 14, wherein the auxiliary plate 13 and the main plate 14 are symmetrically arranged by downwards extending two sides of the sliding part 12, a connecting shaft is arranged between the auxiliary plate and the main plate, the area of the main plate is larger than that of the auxiliary plate, the main plate is used for being matched with the isolation shaft and the grounding shaft, and when the isolation plate is used, the operation mechanism can be limited to be inserted into the isolation shaft and the grounding shaft to prevent manual operation. The connecting shaft is used for fixing structures such as an isolation micro-motion linkage plate and a connecting plate, an isolation micro-motion linkage plate 8 is arranged at the rear end of the isolation plate, and the isolation micro-motion linkage plate is in linkage arrangement with an isolation micro-motion pressing plate 7 used for triggering a micro switch. When the isolating plate moves, the isolating plate can drive the isolating micro-motion linkage plate to act, so that the isolating micro-motion pressing plate is driven to press the micro-motion switch, and the electronic indication effect of the isolating switch is achieved.

The isolation plate is connected with the isolation shaft crank arm through the connecting plate 9 and linked with the isolation shaft, and the isolation shaft can be used for driving the isolation plate to act, so that the interlocking state switching during isolation clutch and isolation is realized.

The sliding part is provided with a sliding groove 16 which is fixedly arranged on the frame through a bolt, and the bolt penetrates through the sliding groove to play a role of guiding relatively.

The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.

Claims

1. The utility model provides an interlocking gear between isolation and circuit breaker of many function combination vacuum circuit breaker which characterized in that: the isolation board comprises an isolation board capable of vertically moving in the direction of the central line of an isolation shaft or an earthing shaft, wherein an opening is formed in the upper side of the isolation board, a switching-on interlocking board capable of moving in the direction perpendicular to the moving direction of the isolation board is arranged on the upper side of the opening, an isolation interlocking board is hinged to the isolation board, the upper end of the isolation interlocking board is located at the opening, the front side of the opening is arranged to be an inclined plane, a space for the switching-on interlocking board to insert is formed between the isolation interlocking board and the side of the opening, when the isolation board is provided with a forward moving part and is arranged at the position of the isolation shaft or the earthing shaft, the isolation board is arranged in a first state in the space, and when the isolation board moves backwards to leave the position of the isolation shaft or the earthing shaft, the interlocking board on the lower side is arranged in a second state of the isolation board.

2. The interlocking mechanism between the isolation and the breaker of the multifunctional combined vacuum breaker as claimed in claim 1, wherein: and the isolation indication board is arranged on the isolation board.

3. The interlocking mechanism between the isolation and the breaker of the multifunctional combined vacuum breaker as claimed in claim 1, wherein: the switching-on interlocking plate is provided with a groove, a switch part of a microswitch is arranged in the groove, and the switching-on interlocking plate triggers the switch part of the microswitch at the time of moving downwards.

4. The interlocking mechanism of the multifunctional combined vacuum circuit breaker and the breaker as claimed in claim 3, wherein: the bottom of the groove is an inclined plane.

5. The interlocking mechanism between the isolation of the multifunctional combined vacuum circuit breaker and the breaker as claimed in claim 1, wherein: and a linkage shaft is arranged at the upper end of the switching-on interlocking plate.

6. The interlocking mechanism between the isolation and the breaker of the multifunctional combined vacuum breaker as claimed in claim 1, wherein: the isolation board comprises a sliding part, an auxiliary board and a main board, wherein the auxiliary board and the main board are symmetrically arranged by downwards extending two sides of the sliding part, and a connecting shaft is arranged between the auxiliary board and the main board.

7. The interlocking mechanism between the isolation and the breaker of the multifunctional combined vacuum breaker as claimed in claim 1 or 6, wherein: the rear end of the isolation plate is provided with an isolation micro-motion linkage plate, and the isolation micro-motion linkage plate is in linkage arrangement with an isolation micro-motion pressing plate used for triggering the micro switch.

8. The interlocking mechanism between the isolation and the breaker of the multifunctional combined vacuum breaker as claimed in claim 1 or 6, wherein: the isolation plate is connected with the isolation shaft crank arm through a connecting plate.

9. The interlocking mechanism of the multifunctional combined vacuum circuit breaker and the breaker as claimed in claim 6, wherein: the sliding part is provided with a sliding groove.