CN114446705B

CN114446705B - Synchronous circuit breaker

Info

Publication number: CN114446705B
Application number: CN202210139987.XA
Authority: CN
Inventors: 李秋惠; 龙葵; 胡蕊; 魏光程
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2023-08-11
Anticipated expiration: 2042-02-16
Also published as: CN114446705A

Abstract

The invention belongs to the technical field of power equipment, and discloses a synchronous circuit breaking device which comprises a vacuum circuit breaker, an electrified connector, a supporting seat and an operating mechanism. The plurality of vacuum circuit breakers are arranged on the supporting seat at intervals, each vacuum circuit breaker is provided with an electrified connector, and the operation mechanism can carry out linkage control on the plurality of vacuum circuit breakers after being spliced. The operation mechanism comprises a reciprocating driving assembly, an accelerating transmission assembly and an operation piece, wherein the fixed end of the reciprocating driving assembly is arranged on the supporting seat, the output end of the reciprocating driving assembly is in transmission connection with the operation piece through the accelerating transmission assembly, and the output end of the reciprocating driving assembly increases the output rotating speed of the reciprocating driving assembly through the accelerating transmission assembly and drives the operation piece to rotate. The rotating operation piece can drive each energizing connector to be simultaneously connected or disconnected. So that an operator can synchronously and rapidly switch off the spliced vacuum circuit breakers, and further the use reliability of the product and the safe and stable operation of the power system are ensured.

Description

Synchronous circuit breaker

Technical Field

The invention relates to the technical field of power equipment, in particular to a synchronous circuit breaking device.

Background

The vacuum circuit breaker is a circuit breaker which is popular in power distribution network, and has the advantages of small volume, light weight, suitability for frequent operation and no maintenance of arc extinction because the arc extinction medium and the insulation medium of the contact gap after arc extinction are both high vacuum.

The common combined vacuum circuit breaker is generally only provided with a single group of arc extinguishing chambers, so that a plurality of groups of vacuum circuit breakers can be spliced sometimes to meet the use requirements of different users. Because the vacuum circuit breakers generally control the disconnection of the electrified connectors by rotating the control rod so as to realize the disconnection of the switch, after the multiple groups of vacuum circuit breakers are spliced, synchronous and rapid switch-off of all the vacuum circuit breakers is realized.

The existing spliced vacuum circuit breakers commonly adopt control rods linked through a coupler to realize synchronous switching-off of all the vacuum circuit breakers, but when a plurality of groups of vacuum circuit breakers are spliced, the required switching-off torque force of the vacuum circuit breakers can be greatly increased, and the use of the coupler does not consider the force required by an operator in the actual switching-off process. This has just led to when the vacuum circuit breaker of concatenation is more, and the operator needs to provide enough big power in order to carry out the switch-off to a plurality of vacuum circuit breakers simultaneously, and then makes the operator produce certain delay when the switch-off, uses inconveniently, and simultaneously, the switch-off speed is slow can reduce the electric life of explosion chamber, influences the safe and stable operation of the use reliability and the electric power system of product.

Disclosure of Invention

The invention aims to provide a synchronous circuit breaker which can facilitate an operator to synchronously and rapidly break a plurality of groups of spliced vacuum circuit breakers, thereby ensuring the use reliability of products and the safe and stable operation of a power system.

To achieve the purpose, the invention adopts the following technical scheme:

a synchronous circuit interrupting device comprising a vacuum interrupter and an energized connector, the synchronous circuit interrupting device further comprising:

the vacuum circuit breakers are arranged on the supporting seat at intervals, and each vacuum circuit breaker is provided with the electrified connector;

the operation mechanism comprises a reciprocating driving assembly, an accelerating transmission assembly and an operation piece, wherein the fixed end of the reciprocating driving assembly is arranged on the supporting seat, the output end of the reciprocating driving assembly is in transmission connection with the operation piece through the accelerating transmission assembly, the output end of the reciprocating driving assembly increases the output rotating speed of the reciprocating driving assembly through the accelerating transmission assembly and drives the operation piece to rotate, and the operation piece can drive each electrified connector to be simultaneously connected or disconnected.

Optionally, the acceleration transmission assembly includes first gear, second gear and first dwang, first gear rotate connect in on the supporting seat, and with reciprocating drive assembly's output links to each other, first gear with the second gear meshing, the second gear with first dwang transmission is connected, the operating piece link firmly on the first dwang.

Optionally, the diameter of the first gear is larger than the diameter of the second gear.

Optionally, the reciprocating drive assembly includes actuating lever, slider and reset piece, the slider slide set up in on the supporting seat, be provided with tooth structure on the slider, first gear with tooth structure meshing, the actuating lever can drive the slider is relative the supporting seat slides, so as to drive first gear rotates, the reset piece is used for the drive the slider resets.

Optionally, the reciprocating driving assembly further comprises a connecting piece and a linkage hinging rod, the connecting piece is fixedly connected with the sliding piece, two ends of the linkage hinging rod are respectively connected with the driving rod and the connecting piece in a rotating mode, and the driving rod is connected with the supporting seat in a rotating mode.

Optionally, the reciprocating driving assembly further includes a first rotating shaft, the driving rod is rotatably connected with the supporting seat through the first rotating shaft, and the first rotating shaft is disposed at one end of the driving rod, which is close to the connecting piece.

Optionally, a guiding structure is arranged between the supporting seat and the sliding piece, and the guiding structure is used for guiding the sliding of the sliding piece.

Optionally, the device further comprises a driving fixing component, the driving fixing component is used for fixing the input end of the reciprocating driving component, the driving fixing component comprises a fixing seat and a fixing piece which are connected in a sliding mode, the fixing seat is connected with the supporting seat, a first through hole is formed in the fixing piece, and the input end of the reciprocating driving component can extend into the first through hole.

Optionally, one of the fixing seat and the fixing piece is provided with a sliding groove, and the other is provided with a sliding block in sliding fit with the sliding groove.

Optionally, the drive fixed subassembly still includes the rotation screw rod, be provided with first spout on the fixing base, the one end of rotation screw rod with the inner wall rotation of first spout is connected, and the other end stretches out first spout, threaded hole has been seted up on the mounting, rotation screw rod with threaded hole threaded connection.

The invention has the beneficial effects that:

according to the synchronous circuit breaker device provided by the invention, the plurality of vacuum circuit breakers are arranged on the supporting seat at intervals, and each vacuum circuit breaker is provided with the electrified connector so as to be connected or disconnected with the corresponding vacuum circuit breaker. The synchronous circuit breaker device further comprises an operating mechanism, and the plurality of spliced vacuum circuit breakers are subjected to linkage control through the operating mechanism. The operation mechanism comprises a reciprocating driving assembly, an accelerating transmission assembly and an operation piece, wherein the fixed end of the reciprocating driving assembly is arranged on the supporting seat, the output end of the reciprocating driving assembly is in transmission connection with the operation piece through the accelerating transmission assembly, the output end of the reciprocating driving assembly increases the output rotating speed of the reciprocating driving assembly through the accelerating transmission assembly, and the operation piece is driven to rotate positively or reversely. The operation piece rotates forward to drive all the electrified connectors to be disconnected simultaneously so as to break the brake and cut off the power; the operation piece rotates reversely to drive all the electrified connectors to be communicated simultaneously so as to conduct switching-on and electrifying. The speed of the output end of the reciprocating driving assembly is accelerated through the acceleration transmission assembly, so that an operator can synchronously and rapidly switch off the spliced vacuum circuit breakers conveniently, and further the use reliability of products and the safe and stable operation of an electric power system are guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of a synchronous circuit breaker according to a first embodiment of the present invention;

fig. 2 is an enlarged view of a part of the structure of a synchronous circuit breaker according to a first embodiment of the present invention;

fig. 3 is a top view of a synchronous circuit interrupting device according to a first embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a partial enlarged view at B in fig. 3.

In the figure:

100. a vacuum circuit breaker; 101. an energized connector;

1. a support base; 11. a first limiting member; 111. a first limit groove; 112. the second limit groove; 12. fixing the connecting plate; 13. an avoidance opening;

2. a reciprocating drive assembly; 21. a driving rod; 211. a first lever; 212. a second lever; 22. a first rotating shaft; 23. a slider; 24. a connecting piece; 241. an arc-shaped driving groove; 25. a linkage hinge rod; 26. a reset member;

3. an acceleration transmission assembly; 31. a first gear; 32. a second rotating shaft; 33. a second gear; 34. a third rotating shaft; 35. a first bevel gear; 36. a second bevel gear; 37. a first rotating lever; 38. an operating member;

4. driving the fixed assembly; 41. a fixing seat; 411. a second chute; 412. a first chute; 42. a fixing member; 421. a first through hole; 422. a sliding part; 43. the screw is turned.

Detailed Description

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

Example 1

In an electric power system, a plurality of vacuum circuit breakers are often spliced in order to meet the use requirements of different users. The embodiment provides a synchronous circuit breaker, can be convenient for the operator to carry out synchronous quick switching-off to the multiunit vacuum circuit breaker after the concatenation, and then guarantees the use reliability of product and the safe and stable operation of electric power system. As shown in fig. 1 and 3, the synchronous breaking device includes a vacuum circuit breaker 100, an energizing connector 101, a support base 1, and an operating mechanism.

Specifically, referring to fig. 1, in the synchronous breaking apparatus, a plurality of vacuum circuit breakers 100 are provided at intervals on a support base 1, and an energizing connector 101 is mounted on each vacuum circuit breaker 100. The operation and maintenance personnel can control the energization or the de-energization of the corresponding vacuum circuit breaker 100 by controlling the on-off of the corresponding energization connector 101. Based on this, the synchronous circuit breaker device further includes an operating mechanism, so that an operation and maintenance person can perform linkage control on the plurality of vacuum circuit breakers 100 after splicing through the operating mechanism.

With continued reference to fig. 1, 3 and 4, the operating mechanism includes a reciprocating driving assembly 2, an acceleration transmission assembly 3 and an operating member 38, where a fixed end of the reciprocating driving assembly 2 is disposed on the supporting seat 1, an output end of the reciprocating driving assembly 2 is in transmission connection with the operating member 38 through the acceleration transmission assembly 3, and an output end of the reciprocating driving assembly 2 increases an output rotation speed thereof through the acceleration transmission assembly 3 and drives the operating member 38 to rotate in a forward direction or a reverse direction. The operation piece 38 rotates forward to drive each power-on connector 101 to be disconnected simultaneously so as to break off the switch; the reverse rotation of the operating member 38 can drive the energizing connectors 101 to communicate simultaneously, so as to perform closing energization. The speed of the output end of the reciprocating driving assembly 2 is accelerated through the acceleration transmission assembly 3, so that an operator can conveniently and synchronously and rapidly switch off the spliced plurality of vacuum circuit breakers 100, and further the use reliability of products and the safe and stable operation of an electric power system are ensured.

Alternatively, as shown in fig. 1 and 2, the acceleration transmission assembly 3 includes a first gear 31, a second gear 33 and a first rotating rod 37, the first gear 31 is rotatably connected to the support base 1 and is connected to the output end of the reciprocating drive assembly 2, the first gear 31 is meshed with the second gear 33, the second gear 33 is in transmission connection with the first rotating rod 37, and the operating member 38 is fixedly connected to the first rotating rod 37. Specifically, the first gear 31 is rotatably mounted on the support base 1 through the second rotating shaft 32, the second gear 33 is rotatably connected with the support base 1 through the third rotating shaft 34, and the first rotating rod 37 is rotatably connected with the support base 1 through the fixed connecting plate 12. The gear transmission has high transmission precision, wide application range, reliable work and long service life. Of course, in other embodiments, the step-up transmission assembly 3 may also include a multi-stage gear transmission, as long as the transmission ratio is less than 1, and the step-up transmission can be realized.

Alternatively, as shown in fig. 1, in the present embodiment, the diameter of the first gear 31 is larger than the diameter of the second gear 33. That is, the first gear 31 only needs to rotate by a smaller extent, so as to drive the second gear 33 to rotate in an accelerating manner, and further realize the acceleration transmission of the rotation speed of the output end of the reciprocating driving assembly 2, so as to drive the operation member 38 to rotate rapidly, thereby enabling the power-on connector 101 to be switched on or off, facilitating the use of operation and maintenance personnel, and ensuring the use reliability of the product.

Optionally, in the present embodiment, as shown in fig. 1 and 2, the overdrive assembly 3 further includes a first bevel gear 35 and a second bevel gear 36. Specifically, one end of the third rotating shaft 34 is rotatably connected to the supporting seat 1, the second gear 33 is sleeved outside the third rotating shaft 34 and is fixedly connected to the third rotating shaft 34, and the first bevel gear 35 is fixedly connected to the other end of the third rotating shaft 34. The second bevel gear 36 is engaged with the first bevel gear 35, and the second bevel gear 36 is fixedly connected to the end of the first rotating rod 37. It can be understood that, because the bevel gear transmission can change the transmission direction, adding bevel gear transmission in the acceleration transmission assembly 3 of this embodiment can make the holistic structure of device compacter, reduces the volume, and the operation and maintenance personnel of being convenient for use.

Specifically, in the present embodiment, the power transmission path of the accelerator transmission assembly 3 is: the first gear 31 is driven to rotate under the driving action of the output end of the reciprocating driving assembly 2, the second rotating shaft 32 vertically inserted in the middle of the first gear 31 is driven to rotate, the second gear 33 arranged in the supporting seat 1 is meshed with the first gear 31, the first gear 31 rotates to drive the second gear 33 to rotate, the diameter of the first gear 31 is far larger than that of the second gear 33, the first gear 31 only needs to rotate in a small amplitude, the second gear 33 can be driven to rotate rapidly, and the operating piece 38 is separated from the electrified connector 101 more rapidly. Meanwhile, the second gear 33 rotates to drive the third rotating shaft 34 in the middle of the second gear 33 to rotate, and a first bevel gear 35 is further arranged at the top end of the third rotating shaft 34, and the first bevel gear 35 is meshed with a second bevel gear 36 horizontally arranged at the end of the first rotating rod 37 in the support seat 1. The first bevel gear 35 and the second bevel gear 36 form a bevel gear transmission structure, and drive the first rotating rod 37 to rotate, so that the first rotating rod 37 can be more stable during rotation under the fixation of the fixed connecting plate 12. One end of the operating member 38 is sleeved on the first rotating rod 37 and fixedly connected with the first rotating rod 37, the other end of the operating member 38 is abutted on the electrified connector 101, and the operating member 38 is driven to rotate when the first rotating rod 37 rotates. Since the operation member 38 is in contact with the power-on connector 101 at the bottom end of the vacuum interrupter 100, the operation member 38 is rotated to be separated from the power-on connector 101, thereby completing the breaking and the power-off of the vacuum interrupter 100. When the power-on connector 101 at the bottom end of the vacuum circuit breaker 100 needs to be powered on again, the reciprocating driving assembly 2 is only required to be driven reversely, and the quick switching-on operation of the vacuum circuit breaker 100 can be realized.

Alternatively, as shown in fig. 3 and 4, the reciprocating driving assembly 2 includes a driving rod 21, a sliding member 23 and a reset member 26, where the sliding member 23 is slidably disposed on the supporting seat 1, a tooth structure is disposed on the sliding member 23, the first gear 31 is meshed with the tooth structure, the driving rod 21 can drive the sliding member 23 to slide relative to the supporting seat 1 to drive the first gear 31 to rotate, and the reset member 26 is used for driving the sliding member 23 to reset. Specifically, in this embodiment, the sliding member 23 is a rack, one end of the driving rod 21 is connected to the sliding member 23, the driving rod 21 can drive two ends of the sliding member 23 to slide relative to the supporting seat 1, and when the sliding member 23 slides, the first gear 31 can be driven to rotate, so as to further realize power transmission.

Optionally, with continued reference to fig. 4, the reciprocating driving assembly 2 further includes a connecting piece 24 and a first rotating shaft 22, the connecting piece 24 is used for connecting the sliding piece 23 and the driving rod 21, an arc-shaped driving groove 241 is provided on the connecting piece 24, one end of the driving rod 21 can slide along the inner wall of the arc-shaped driving groove 241 and is abutted to the inner wall of the arc-shaped driving groove 241, and the driving rod 21 is rotationally connected with the supporting seat 1 through the first rotating shaft 22. Specifically, in this embodiment, the support base 1 is provided with a avoidance opening 13 for avoiding the driving rod 21. One end of the driving rod 21 extends into the avoidance opening 13 and is rotatably connected with the supporting seat 1 through the first rotating shaft 22. The arc-shaped driving groove 241 is arc-shaped, and one end of the driving lever 21 can abut on and slide along the inner wall of the arc-shaped driving groove 241. The end of the driving rod 21 is also connected with a linkage hinging rod 25, and the linkage hinging rod 25 is hinged with the inner wall of the arc-shaped driving groove 241.

Alternatively, with continued reference to fig. 4, the first shaft 22 is disposed at an end of the drive rod 21 adjacent to the arcuate drive slot 241. Specifically, in the present embodiment, the driving lever 21 includes a first lever 211 and a second lever 212 that are fixedly connected, the length of the first lever 211 is smaller than that of the second lever 212, and the first rotation shaft 22 is rotatably connected to the intersection point of the first lever 211 and the second lever 212. That is, the first lever 211, the second lever 212 and the first rotating shaft 22 form a lever structure, and since the length of the second lever 212 is longer than that of the first lever 211, the operation and maintenance personnel can control the first lever 211 to rotate with a small force, thereby amplifying the driving force.

Optionally, as shown in fig. 3, a guiding structure is provided between the support base 1 and the sliding member 23, and the guiding structure is used for guiding the sliding of the sliding member 23 so as to improve the sliding stability of the sliding member 23. In this embodiment, two first limiting members 11 are symmetrically disposed on the outer side of the supporting seat 1, first limiting grooves 111 are disposed in the first limiting members 11, and two ends of the sliding member 23 are slidably inserted into the two first limiting grooves 111, respectively. A second limiting groove 112 is relatively arranged on the inner wall of the first limiting groove 111, and the second limiting groove 112 is used for limiting the tooth structure on the sliding piece 23. Both ends of the sliding piece 23 slide in the first limiting groove 111, so that the sliding of the sliding piece 23 can be guided. Of course, in other embodiments, the guiding structure may be other forms, for example, a protrusion is provided on one of the support base 1 and the sliding member 23, a guide rail slidingly engaged with the protrusion is provided on the other, and the protrusion slides along the guide rail, so that the sliding of the sliding member 23 can be guided.

Further, with continued reference to fig. 3, when the operator needs to switch on or off the vacuum circuit breaker 100, the operator rotates the first lever 211 by rotating the second lever 212. The first lever 211 can be against the linkage hinge lever 25 when rotating, and the end of the first lever 211 is arranged inside the arc-shaped driving groove 241, the inner wall of the arc-shaped driving groove 241 is matched with the arc track made when the end of the first lever 211 rotates, and the connecting piece 24 can move back and forth when the first lever 211 rotates through the linkage hinge lever 25 against the inner wall of the arc-shaped driving groove 241. The connecting piece 24 drives the slider 23 to move back and forth, the slider 23 is provided with a tooth structure, the tooth structure is meshed with a tooth block on the first gear 31, when the slider 23 moves back and forth, the tooth structure is meshed with the tooth block on the first gear 31 in sequence, the first gear 31 is driven to rotate, and the lever arm length of the second lever 212 is longer than that of the first lever 211, so that a user can drive the first gear 31 to rotate through the back and forth movement of the slider 23 with smaller force.

Optionally, as shown in fig. 3 and 5, the synchronous breaking device further comprises a drive fixing assembly 4 for fixing the input end of the reciprocating drive assembly 2. The drive fixed component 4 comprises a fixed seat 41 and a fixed piece 42 which are connected in a sliding manner, the fixed seat 41 is connected with the supporting seat 1, a first through hole 421 is formed in the fixed piece 42, the input end of the reciprocating drive component 2 can extend into the first through hole 421, and the position of the input end of the reciprocating drive component 2 can be fixed, so that safety accidents caused by misoperation of operation and maintenance personnel after switching off or switching on are prevented.

Alternatively, as shown in fig. 5, one of the fixed seat 41 and the fixed member 42 is provided with a sliding groove, and the other is provided with a sliding block in sliding fit with the sliding groove. Specifically, in the present embodiment, the upper end surface of the fixing base 41 is provided with a second sliding slot 411, and the fixing member 42 is slidably disposed in the second sliding slot 411. More specifically, the bottom of the second chute 411 is provided with a first chute 412, the bottom of the fixing member 42 is provided with a sliding portion 422, and the sliding portion 422 is slidably engaged with the first chute 412. Illustratively, the sliding portion 422 is a slider disposed at the bottom of the fixing member 42, which is adapted to the size of the first sliding slot 412.

Optionally, with continued reference to fig. 5, in this embodiment, the driving fixing assembly 4 further includes a rotating screw 43, one end of the rotating screw 43 is rotationally connected with the inner wall of the first chute 412, the other end extends out of the first chute 412, and the fixing member 42 is provided with a threaded hole, and the rotating screw 43 is in threaded connection with the threaded hole. That is, by rotating the rotating screw 43, the fixing member 42 is driven to slide along the first sliding slot 412.

Specifically, in this embodiment, in order to ensure that the closing and opening of the vacuum circuit breaker 100 are safer, and the opening is not closed again due to the false touch of a serviceman, after the vacuum circuit breaker 100 is opened, an operation and maintenance person rotates the rotating screw 43, and the fixing piece 42 can be driven to move towards the end direction close to the second rod 212 through the threaded connection of the threaded hole and the rotating screw 43, so that the end of the second rod 212 is finally kept in the state by abutting against the fixing piece 42, and the vacuum circuit breaker 100 can keep continuous power off after the opening.

Example two

The present embodiment provides a synchronous circuit breaker device, which is different from the first embodiment in that in the present embodiment, the driving fixing assembly 4 further includes a driving member for driving the fixing member 42 to slide relative to the fixing seat 41. The fixed end of the driving member is connected to the fixed seat 41, and the output end of the driving member is connected to the fixed member 42 to drive the fixed member 42 to slide relative to the fixed seat 41. Illustratively, the driving member may be selected to be a motor, which has a high output power, a high speed, and is easy to control. The driving member may be an oil cylinder or an air cylinder, and may be specifically selected according to practical situations, which is not limited herein.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. A synchronous circuit interrupting device comprising a vacuum interrupter (100) and an energized connector (101), characterized in that the synchronous circuit interrupting device further comprises:

the vacuum circuit breakers (100) are arranged on the supporting seat (1) at intervals, and each vacuum circuit breaker (100) is provided with the energizing connector (101);

the operation mechanism comprises a reciprocating driving assembly (2), an accelerating transmission assembly (3) and an operation piece (38), wherein the fixed end of the reciprocating driving assembly (2) is arranged on the supporting seat (1), the output end of the reciprocating driving assembly (2) is in transmission connection with the operation piece (38) through the accelerating transmission assembly (3), the output end of the reciprocating driving assembly (2) increases the output rotating speed of the reciprocating driving assembly through the accelerating transmission assembly (3) and drives the operation piece (38) to rotate, and the operation piece (38) can be rotated to drive each energizing connector (101) to be simultaneously connected or disconnected;

the accelerating transmission assembly (3) comprises a first gear (31), a second gear (33) and a first rotating rod (37), the first gear (31) is rotatably connected to the supporting seat (1) and is connected with the output end of the reciprocating driving assembly (2), the first gear (31) is meshed with the second gear (33), the second gear (33) is in transmission connection with the first rotating rod (37), and the operating piece (38) is fixedly connected to the first rotating rod (37);

the reciprocating driving assembly (2) comprises a driving rod (21), a sliding piece (23) and a resetting piece (26), wherein the sliding piece (23) is arranged on the supporting seat (1) in a sliding mode, a tooth structure is arranged on the sliding piece (23), the first gear (31) is meshed with the tooth structure, the driving rod (21) can drive the sliding piece (23) to slide relative to the supporting seat (1) so as to drive the first gear (31) to rotate, and the resetting piece (26) is used for driving the sliding piece (23) to reset;

the reciprocating driving assembly (2) further comprises a connecting piece (24) and a linkage hinging rod (25), the connecting piece (24) is fixedly connected with the sliding piece (23), two ends of the linkage hinging rod (25) are respectively and rotatably connected with the driving rod (21) and the connecting piece (24), and the driving rod (21) is rotatably connected with the supporting seat (1).

2. Synchronous circuit breaker device according to claim 1, characterized in that the diameter of the first gear (31) is larger than the diameter of the second gear (33).

3. The synchronous circuit breaker device according to claim 1, characterized in that the reciprocating drive assembly (2) further comprises a first rotating shaft (22), the drive rod (21) is rotatably connected with the support base (1) through the first rotating shaft (22), and the first rotating shaft (22) is arranged at one end of the drive rod (21) close to the sliding piece (23).

4. Synchronous circuit breaker device according to claim 1, characterized in that a guiding structure is provided between the support (1) and the slider (23), for guiding the sliding of the slider (23).

5. The synchronous circuit breaker device according to claim 1, further comprising a driving fixing assembly (4) for fixing the input end of the reciprocating driving assembly (2), wherein the driving fixing assembly (4) comprises a fixing seat (41) and a fixing piece (42) which are connected in a sliding manner, the fixing seat (41) is connected with the supporting seat (1), a first through hole (421) is formed in the fixing piece (42), and the input end of the reciprocating driving assembly (2) can extend into the first through hole (421).

6. The synchronous circuit interrupting device according to claim 5, characterized in that one of the fixing seat (41) and the fixing member (42) is provided with a sliding groove, and the other is provided with a sliding block in sliding fit with the sliding groove.

7. The synchronous circuit breaking device according to claim 5, wherein the driving fixing assembly (4) further comprises a rotating screw (43), a first chute (412) is arranged on the fixing seat (41), one end of the rotating screw (43) is rotatably connected with the inner wall of the first chute (412), the other end of the rotating screw extends out of the first chute (412), a threaded hole is formed in the fixing piece (42), and the rotating screw (43) is in threaded connection with the threaded hole.