CN111696823A - Synchronous linked fast switch - Google Patents

Abstract

The invention discloses a synchronously linked quick switch, which comprises a main beam, a driving device, at least two switch parts and connecting rod parts one-to-one corresponding to the switch parts; wherein, one end of the connecting rod part is connected to the The corresponding switch parts are connected; the other end of the connecting rod part is connected to the main beam; the driving device is connected to the main beam and used to act to drive the main beam to move, thereby driving the connecting rod The components move synchronously so that the link components drive the corresponding switch components to open or close. The invention can drive the quick switch to open and close synchronously by means of mechanical linkage, so as to improve the consistency of the opening and closing actions, and can also reduce the volume and reduce the manufacturing cost.

Description

Synchronized quick switch

technical field

The invention relates to a synchronous linkage quick switch.

Background technique

At present, in the application of three-phase fast switch, the opening and closing of each vacuum interrupter are independently controlled by a set of driving devices, and one set of driving devices can only control the opening and closing of one-phase electrical ports. . Therefore, the existing three-phase quick switch needs three sets of driving devices, which leads to the disadvantages of large volume and high overall cost of the existing three-phase quick switch. In addition, the vacuum interrupters corresponding to the three sets of driving devices are independently controlled. Due to the errors in the processing of parts and components, the actions of the three sets of driving devices are not synchronized, and the opening and closing actions of the three-phase quick switch are not synchronized. Lack of consistency.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a synchronously linked quick switch, which can drive the quick switch to open and close synchronously by means of mechanical linkage, improve the consistency of the opening and closing actions, and reduce the volume, reducing manufacturing costs.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a synchronously linked quick switch, which includes a main beam, a driving device, at least two switch components, and link components corresponding to the switch components one-to-one; wherein,

One end of the connecting rod part is connected with the corresponding switch part;

The other end of the connecting rod part is connected to the main beam;

The driving device is connected with the main beam and is used to act to drive the main beam to move, and then drive the link member to move synchronously so that the link member drives the corresponding switch member to open or close the switch.

A specific solution of the switch component is further provided, wherein the switch component is a vacuum interrupter, and the vacuum interrupter is provided with a static contact and a movable contact;

One end of the connecting rod part is connected with the moving contact in the corresponding vacuum interrupter, so that when the driving device drives the main beam and the connecting rod part to move, the moving contact is driven to move to the same position as the connecting rod. The stationary contacts abut or drive the movable contacts to move to be separated from the stationary contacts.

A specific solution of the drive device is further provided, the drive device includes at least one drive mechanism, and the drive mechanism includes a power mechanism and a drive component; wherein,

One end of the driving component is connected with the main beam;

The power mechanism is connected with the other end of the driving member and is used for action to drive the driving member and the main beam to move.

Further, the synchronously linked quick switch also includes a casing; wherein,

the drive part is slidably connected to the housing;

the main beam is connected to the upper end of the driving part;

The power mechanism is connected to the lower end of the driving member.

A specific structure of the driving component is further provided, the driving component includes a driving rod and at least one supporting plate; wherein,

the lower end of the driving rod is connected with the power mechanism;

The lower end of the support plate is connected with the drive rod, and the upper end of the support plate is connected with the main beam.

A specific structure of the support plate is further provided, the support plate is a triangular structure, and/or a weight reduction hole is provided in the support plate.

Further, at least two supporting plates are provided, and all the supporting plates are circumferentially distributed around the central axis of the driving rod.

A specific solution of the power mechanism is further provided, wherein the power mechanism is an electromagnetic repulsion mechanism, and the electromagnetic repulsion mechanism includes a closing coil, an opening coil and a repulsion disk; wherein,

the repulsion disc is connected with the driving part;

The closing coil is arranged below the repulsion disc and is used for electrification to generate upward electromagnetic repulsion to the repulsion disc, and then drives the main beam to move upward through the driving component;

The opening coil is arranged above the repulsion disc and is used for electrification to generate downward electromagnetic repulsion on the repulsion disc, and then the main beam is driven to move downward by the driving component.

In order to further improve the stability of opening and closing, the synchronously linked quick switch further includes at least one bistable mechanism; wherein,

During the moving process, the driving component has a first station corresponding to the opening of the switch component and a second station corresponding to the closing of the switch component;

The bistable mechanism is used to apply a holding force to the driving member or the repulsive force disc so as to maintain the position of the driving member when the driving member is in the first station or the second station.

Further, in order to buffer the main beam, the synchronously linked quick switch also includes at least one switch arranged below the main beam and used to abut against the lower end of the main beam when the main beam moves downwards in place. buffer device.

After the above technical solution is adopted, the main beam is driven to translate by the driving device, and then all the connecting rod components are driven to move synchronously through the main beam, so that the mechanical linkage action of all the connecting rod components is realized, thereby making all the connecting rod components move synchronously. The vacuum interrupter can be opened or closed synchronously, the consistency of three-phase opening and closing is improved, the overall volume can be reduced, the occupied space can be reduced, and the manufacturing cost can be reduced. The electromagnetic repulsion mechanism is applied in the driving device, which can greatly shorten the response time, improve the rigid opening speed, and is conducive to the rapid isolation and removal of power grid faults, and the bistable mechanism improves the stability of opening and closing.

Description of drawings

1 is a schematic structural diagram of a synchronously linked quick switch of the present invention;

Fig. 2 is another structural schematic diagram of the synchronous linkage quick switch of the present invention;

Fig. 3 is the third structural schematic diagram of the synchronously linked quick switch of the present invention;

4 is a schematic diagram of a fourth structure of the synchronously linked quick switch of the present invention;

FIG. 5 is a schematic structural diagram of the bistable mechanism of the present invention.

Detailed ways

In order to make the content of the present invention easier to understand clearly, the present invention will be described in further detail below according to specific embodiments and in conjunction with the accompanying drawings.

Example 1

As shown in Figures 1 and 2, a synchronously linked quick switch includes a main beam 1, a driving device 2, at least two switch parts 3 and a link part 4 corresponding to the switch parts 3 one-to-one; wherein,

One end of the connecting rod part 4 is connected with the corresponding switch part 3;

The other end of the connecting rod member 4 is connected to the main beam 1;

The driving device 2 is connected with the main beam 1 and is used to act to drive the main beam 1 to move, and then drive the link member 4 to move synchronously so that the link member 4 drives the corresponding switch member 3 to open the brake. or closing. Specifically, the mechanical linkage of all link members 4 is realized through the main beam 1, so that all the switch members 3 can be opened or closed synchronously, which is beneficial to improve the consistency of three-phase opening and closing, and also The overall volume can be reduced, the occupied space can be reduced, and the manufacturing cost can be reduced. More specifically, the main beam 1 is arranged horizontally, the main beam 1 is made of a material with higher specific strength and the cross section is an "I"-shaped structure, and the main beam 1 is also provided with reinforcing ribs. The design can improve the rigidity of the main beam 1, so as to ensure that all the link parts 4 act synchronously, thereby ensuring that all the switch parts 3 open and close synchronously, wherein the lower end of the link part 4 is fixedly connected to the main beam. on beam 1.

As shown in Figures 1 and 2, the switch component 3 may be a vacuum interrupter, and the vacuum interrupter may be provided with a static contact 5 and a movable contact 6;

One end of the connecting rod member 4 is connected with the movable contact 6 in the corresponding vacuum interrupter, so that when the driving device 2 drives the main beam 1 and the connecting rod member 4 to move, it drives the moving contact 6 . The contact 6 moves to collide with the stationary contact 5 or drives the movable contact 6 to move to be separated from the stationary contact 5 ; When the vacuum interrupter is in a closed state, when the movable contact 6 is separated from the static contact 5, the vacuum interrupter is in an open state. In this embodiment, there are three vacuum interrupter chambers, the static contact 5 is arranged above the movable contact 6 , and the top of the link member 4 is connected to the top of the movable contact 6 . Connected at the bottom.

As shown in Figures 1 and 2, the driving device 2 may include at least one driving mechanism, such as but not limited to the following structure, which includes a power mechanism and a driving component 10; wherein,

One end of the driving component 10 is connected with the main beam 1;

The power mechanism is connected with the other end of the driving member 10 and is used for action to drive the driving member 10 and the main beam 1 to move; in this embodiment, the driving mechanism is provided with one, compared to In the prior art, three driving mechanisms are used to control the opening and closing of three vacuum interrupters respectively. This embodiment reduces the number of components and effectively reduces the manufacturing cost.

Specifically, the synchronously linked quick switch may further include a casing; wherein,

The driving part 10 is slidably connected to the housing;

The main beam 1 is connected to the upper end of the driving component 10;

The power mechanism is connected to the lower end of the driving member 10; specifically, the casing is provided with a guide sleeve, and the driving member 10 is slidably connected in the guide sleeve and is slidably connected to the guide sleeve through the guide sleeve. On the casing, the vacuum interrupter can be connected to the casing.

As shown in FIGS. 1 and 2 , the driving component 10 includes, for example, but not limited to, the following structure, which includes a driving rod 11 and at least one supporting plate 12 ; wherein,

The lower end of the drive rod 11 is connected to the power mechanism;

The lower end of the support plate 12 is connected to the drive rod 11 , and the upper end of the support plate 12 is connected to the main beam 1 ; specifically, the upper end of the drive rod 11 is connected to the main beam 1 . The lower end of the drive rod 11 is provided with a flange portion 13, and the flange portion 13 is connected with the power mechanism through bolts; the bottom of the main beam 1 is provided with a The rib 14 is connected to the upper end of the support plate 12 , and the driving rod 11 is provided with a boss 15 connected to the lower end of the support plate 12 .

As shown in Figures 1 and 2, the support plate 12 may be a triangular structure;

The support plate 12 may be provided with a weight reduction hole 16;

There are at least two supporting plates 12 , and all the supporting plates 12 are circumferentially distributed around the central axis of the driving rod 11 ; in this embodiment, there are two supporting plates 12 .

As shown in Figures 1 and 2, the power mechanism may be an electromagnetic repulsion mechanism, such as but not limited to the following structures, which include a closing coil 17, an opening coil 18 and a repulsion disc 19; wherein,

The repulsion disc 19 is connected with the driving member 10;

The closing coil 17 is arranged below the repulsion disc 19 and is used for energization to generate an upward electromagnetic repulsion force on the repulsion disc 19, and then the main beam 1 is driven to move upward by the driving component 10, and then passes through the repulsion disc 19. The connecting rod member 4 drives the corresponding movable contact 6 to move to abut with the static contact 5, so as to close the vacuum interrupter;

The opening coil 18 is arranged above the repulsion disc 19 and is used for electrification to generate a downward electromagnetic repulsion force on the repulsion disc 19 , and then the main beam 1 is driven to move downward by the driving component 10 , and then The connecting rod member 4 drives the corresponding movable contact 6 to move downward to disengage from the stationary contact 5 to open the vacuum interrupter.

Specifically, both the closing coil 17 and the opening coil 18 are directly or indirectly connected to the housing, and the closing coil 17 , the opening coil 18 and the repulsion disc 19 are coaxially arranged.

More specifically, when the closing coil 17 is energized, the electromagnetic field generated by the closing coil 17 will induce an eddy current in the repulsion disk 19, and the electromagnetic field generated by the eddy current interacts with the electromagnetic field generated by the closing coil 17 to make the The repulsion disc 19 is subjected to an upward electromagnetic repulsion force; similarly, when the opening coil 18 is energized, the repulsion disc 19 is subjected to a downward electromagnetic repulsion force. More specifically, using the electromagnetic repulsion mechanism as the power mechanism has the advantages of short response time, fast splitting speed, simple structure, etc., which is conducive to the rapid isolation and removal of power grid faults.

As shown in Figures 1, 2, and 5, the synchronously linked quick switch may further include at least one bistable mechanism 20; wherein,

The driving part 10 has a first work position corresponding to the opening of the switch part 3 and a second work position corresponding to the closing of the switch part 3 during the moving process;

The bistable mechanism 20 is used to apply a holding force to the drive member 10 or the repulsion disc 19 so as to hold the drive member when the drive member 10 is in the first station or the second station The position of 10 further realizes the purpose of maintaining the state of the switch part 3 when the switch part 3 is in the open state or the closed state, and improves the stability of opening and closing. In this embodiment, the bistable mechanism 20 may include a spring 21, a sliding rod 22 and a stable rod 23; wherein,

The sliding rod 22 is slidably connected to the housing;

One end of the steady state rod 23 is hinged on the drive rod 11;

The other end of the steady state rod 23 is hinged to one end of the sliding rod 22;

One end of the spring 21 is fixedly arranged on the casing, and the other end of the spring 21 abuts against the other end of the sliding rod 22 . Specifically, in the process of opening or closing, the driving rod 11 will move up and down, and the spring 21 will be compressed at this time. The sliding rod 22 and the steady state rod 23 keep the driving rod 11 in position, and then the switch member 3 is kept in the closed state through the main beam 1; when the driving rod 11 moves down to the position, the The spring 21 keeps the driving rod 11 in position through the sliding rod 22 and the steady-state rod 23, and then keeps the switch part 3 in the open state through the main beam 1, which improves the stability of opening and closing sex.

More specifically, the bistable mechanism 20 may also be a bistable disc spring, the outer peripheral portion of the bistable disc spring is fixed on the housing, and the inner peripheral portion of the bistable spring 21 The driving rods 11 are connected; the bistable mechanism 20 has various implementations, which are not listed in this embodiment.

As shown in Figures 1 and 2 , the synchronously linked quick switch further includes at least one lower end portion of the main beam 1 that is arranged below the main beam 1 and is used for connecting with the lower end of the main beam 1 when the main beam 1 moves downwards in place. Opposing buffer devices 24 ; in this embodiment, there are two buffer devices 24 , and the buffer devices 24 may be, but not limited to, spring buffers.

Embodiment 2

As shown in Figures 3 and 4, another synchronously linked quick switch includes a main beam 1, a drive device 2, at least two switch parts 3, and a link part 4 corresponding to the switch parts 3 one-to-one; ,

One end of the connecting rod part 4 is connected with the corresponding switch part 3;

The other end of the connecting rod member 4 is connected to the main beam 1;

The driving device 2 is connected with the main beam 1 and is used to act to drive the main beam 1 to move, and then drive the link member 4 to move synchronously so that the link member 4 drives the corresponding switch member 3 to open the brake. or closing. Specifically, the mechanical linkage of all link members 4 is realized through the main beam 1, so that all the switch members 3 can be opened or closed synchronously, which is beneficial to improve the consistency of three-phase opening and closing, and also The overall volume can be reduced, the occupied space can be reduced, and the manufacturing cost can be reduced. More specifically, the main beam 1 is arranged horizontally, the main beam 1 is made of a material with higher specific strength and the cross section is an "I"-shaped structure, and the main beam 1 is also provided with reinforcing ribs. The design can improve the rigidity of the main beam 1, so as to ensure that all the connecting rod parts 4 act synchronously, thereby ensuring that all the switch parts 3 open and close simultaneously; wherein, the lower end of the connecting rod part 4 is fixedly connected to the main on beam 1. .

As shown in Figures 3 and 4, the switch component 3 can be a vacuum interrupter, and the vacuum interrupter can be provided with a static contact 5 and a movable contact 6;

One end of the connecting rod member 4 is connected with the movable contact 6 in the corresponding vacuum interrupter, so that when the driving device 2 drives the main beam 1 and the connecting rod member 4 to move, it drives the moving contact 6 . The contact 6 moves to collide with the stationary contact 5 or drives the movable contact 6 to move to be separated from the stationary contact 5 ; When the vacuum interrupter is in a closed state, when the movable contact 6 is separated from the static contact 5, the vacuum interrupter is in an open state. In this embodiment, there are three vacuum interrupter chambers, the static contact 5 is arranged above the movable contact 6 , and the top of the link member 4 is connected to the top of the movable contact 6 . Connected at the bottom.

As shown in FIGS. 3 and 4 , the driving device 2 may include at least one driving mechanism, such as but not limited to the following structure, which includes a power mechanism and a driving component 10; wherein,

One end of the driving component 10 is connected with the main beam 1;

The power mechanism is connected to the other end of the driving member 10 and is used for action to drive the driving member 10 and the main beam 1 to move.

Specifically, the synchronously linked quick switch may further include a casing; wherein,

The driving part 10 is slidably connected to the housing;

The main beam 1 is connected to the upper end of the driving component 10;

The power mechanism is connected to the lower end of the driving member 10; specifically, the casing is provided with a guide sleeve, and the driving member 10 is slidably connected in the guide sleeve and is slidably connected to the guide sleeve through the guide sleeve. on the casing.

As shown in FIGS. 3 and 4 , in this embodiment, there are two driving mechanisms. Compared with the prior art scheme of controlling the opening and closing of three vacuum interrupters through three driving mechanisms, this implementation For example, the number of parts is reduced, and the manufacturing cost is effectively reduced. Specifically, the driving component 10 is a driving rod 11 . The upper end of the driving rod 11 and the main beam 1 can be fixedly connected or hinged. The lower end of the driving rod 11 is provided with a The flange portion 13 is connected with the power mechanism through bolts.

As shown in Figures 3 and 4, the power mechanism may be an electromagnetic repulsion mechanism, such as but not limited to the following structures, which include a closing coil 17, an opening coil 18 and a repulsion disc 19; wherein,

The repulsion disc 19 is connected with the driving member 10;

The closing coil 17 is arranged below the repulsion disc 19 and is used for energization to generate an upward electromagnetic repulsion force on the repulsion disc 19, and then the main beam 1 is driven to move upward by the driving component 10, and then passes through the repulsion disc 19. The connecting rod member 4 drives the corresponding movable contact 6 to move to abut with the static contact 5, so as to close the vacuum interrupter;

The opening coil 18 is arranged above the repulsion disc 19 and is used for electrification to generate a downward electromagnetic repulsion force on the repulsion disc 19 , and then the main beam 1 is driven to move downward by the driving component 10 , and then The connecting rod member 4 drives the corresponding movable contact 6 to move downward to disengage from the stationary contact 5 to open the vacuum interrupter.

Specifically, both the closing coil 17 and the opening coil 18 are directly or indirectly connected to the housing, and the closing coil 17 , the opening coil 18 and the repulsion disc 19 are coaxially arranged.

More specifically, when the closing coil 17 is energized, the electromagnetic field generated by the closing coil 17 will induce an eddy current in the repulsion disk 19, and the electromagnetic field generated by the eddy current interacts with the electromagnetic field generated by the closing coil 17 to make the The repulsion disc 19 is subjected to an upward electromagnetic repulsion force; similarly, when the opening coil 18 is energized, the repulsion disc 19 is subjected to a downward electromagnetic repulsion force. More specifically, using the electromagnetic repulsion mechanism as the power mechanism has the advantages of short response time, fast splitting speed, simple structure, etc., which is conducive to the rapid isolation and removal of power grid faults.

As shown in Figures 3, 4 and 5, the synchronously linked quick switch may further include at least one bistable mechanism 20; wherein,

The driving part 10 has a first work position corresponding to the opening of the switch part 3 and a second work position corresponding to the closing of the switch part 3 during the moving process;

The bistable mechanism 20 is used to apply a holding force to the drive member 10 or the repulsion disc 19 so as to hold the drive member when the drive member 10 is in the first station or the second station The position of 10 further realizes the purpose of maintaining the state of the switch part 3 when the switch part 3 is in the open state or the closed state, and improves the stability of opening and closing. In this embodiment, the bistable mechanism 20 may include a spring 21, a sliding rod 22 and a stable rod 23; wherein,

The sliding rod 22 is slidably connected to the housing;

One end of the steady state rod 23 is hinged on the drive rod 11;

The other end of the steady state rod 23 is hinged to one end of the sliding rod 22;

One end of the spring 21 is fixedly arranged on the casing, and the other end of the spring 21 abuts against the other end of the sliding rod 22 . Specifically, in the process of opening or closing, the driving rod 11 will move up and down, and the spring 21 will be compressed at this time. The sliding rod 22 and the steady state rod 23 keep the driving rod 11 in position, and then the switch part 3 is kept in the closed state through the main beam 1; when the driving rod 11 moves down to the position, the The spring 21 keeps the driving rod 11 in position through the sliding rod 22 and the steady-state rod 23, and then the switch member 3 is kept in the open state through the main beam 1, which improves the stability of opening and closing sex.

More specifically, the bistable mechanism 20 may also be a bistable disc spring, the outer peripheral portion of the bistable disc spring is fixed on the housing, and the inner peripheral portion of the bistable spring 21 The driving rods 11 are connected; the bistable mechanism 20 has various implementations, which are not listed in this embodiment.

As shown in FIGS. 3 and 4 , the synchronously linked quick switch further includes at least one lower end portion of the main beam 1 which is arranged below the main beam 1 and is used for connecting with the lower end of the main beam 1 when the main beam 1 moves downwards in place. Opposing buffer devices 24; in this embodiment, three buffer devices 24 are provided and connected to the housing, and the buffer devices 24 may be, but are not limited to, spring buffers.

The working principle of the present invention is as follows:

The main beam 1 is driven to translate by the driving device 2, and then all the connecting rod parts 4 are driven to move synchronously through the main beam 1, so as to realize the mechanical linkage action of all the connecting rod parts 4, thereby making all the vacuum The arc extinguishing chamber can be opened or closed synchronously, which improves the consistency of three-phase opening and closing, and can also reduce the overall volume, reduce the occupied space, and reduce the manufacturing cost. The electromagnetic repulsion mechanism is applied in the driving device 2, which can greatly shorten the response time, improve the just-opening speed, and is conducive to the rapid isolation and removal of grid faults, and the bistable mechanism 20 improves the stability of opening and closing. sex.

The specific embodiments described above further describe in detail the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention, and are not intended to limit the present invention. invention, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying what is indicated. A device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in use, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhanging" etc. do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the present invention, unless otherwise expressly specified and limited, the first feature above or below the second feature may include the first and second features in direct contact, or may include the first and second features not in direct contact but is through additional characteristic contact between them. Also, the first feature being above, above and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is below, below and below the second feature includes the first feature is directly below and diagonally below the second feature, or simply means that the first feature level is smaller than the second feature.

Claims (10)

1. A synchronously linked quick switch, characterized in that it comprises a main beam (1), a drive device (2), at least two switch parts (3) and a one-to-one connection with the switch parts (3). a rod member (4); wherein, One end of the link member (4) is connected with the corresponding switch member (3); The other end of the connecting rod member (4) is connected to the main beam (1); The driving device (2) is connected with the main beam (1) and is used to act to drive the main beam (1) to move, thereby driving the link member (4) to move synchronously to make the link member ( 4) Drive the corresponding switch components (3) to open or close. 2. The quick switch of synchronous linkage according to claim 1, is characterized in that, The switch component (3) is a vacuum interrupter, and a static contact (5) and a movable contact (6) are arranged in the vacuum interrupter; One end of the connecting rod part (4) is connected with the movable contact (6) in the corresponding vacuum interrupter, so that the driving device (2) drives the main beam (1) and the connecting rod part (4) When moving, drive the movable contact (6) to move against the stationary contact (5) or drive the movable contact (6) to move to be separated from the stationary contact (5). 3. The synchronously linked quick switch according to claim 1, wherein the driving device (2) comprises at least one driving mechanism, and the driving mechanism comprises a power mechanism and a driving component (10); wherein, One end of the driving component (10) is connected with the main beam (1); The power mechanism is connected with the other end of the driving member (10) and is used for action to drive the driving member (10) and the main beam (1) to move. 4. The synchronously linked quick switch according to claim 3, characterized in that, it further comprises a casing; wherein, The driving component (10) is slidably connected to the housing; The main beam (1) is connected to the upper end of the driving component (10); The power mechanism is connected with the lower end of the driving component (10). 5. The synchronously linked quick switch according to claim 3, wherein the driving component (10) comprises a driving rod (11) and at least one supporting plate (12); wherein, The lower end of the driving rod (11) is connected with the power mechanism; The lower end of the support plate (12) is connected with the drive rod (11), and the upper end of the support plate (12) is connected with the main beam (1). 6 . The synchronously linked quick switch according to claim 5 , wherein the support plate ( 12 ) has a triangular structure, and/or the support plate ( 12 ) is provided with a weight reduction hole ( 16 ). 7 . 7. The synchronously linked quick switch according to claim 5, characterized in that there are at least two supporting plates (12), and all the supporting plates (12) are centered at the center of the driving rod (11). The axis is distributed around the center of the circle. 8. The synchronously linked quick switch according to claim 3, wherein the power mechanism is an electromagnetic repulsion mechanism, and the electromagnetic repulsion mechanism comprises a closing coil (17), an opening coil (18) and a repulsion disc (19); where, The repulsion disc (19) is connected with the driving component (10); The closing coil (17) is arranged below the repulsion disc (19) and is used for electrification to generate an upward electromagnetic repulsion force on the repulsion disc (19), thereby driving the main drive through the driving component (10). The beam (1) moves up; The opening coil (18) is arranged above the repulsion disc (19) and is used for electrification to generate a downward electromagnetic repulsion force on the repulsion disc (19), so as to drive the repulsion disc (19) through the driving component (10). The main beam (1) moves down. 9. The synchronously linked quick switch according to claim 8, characterized in that it further comprises at least one bistable mechanism (20); wherein, The driving component (10) has a first station corresponding to the opening of the switch component (3) and a second station corresponding to the closing of the switch component (3) during the moving process; The bistable mechanism (20) is used to apply a holding force to the driving member (10) or the repulsion disc (19), so that when the driving member (10) is located at the first station or the second position The position of the driving component (10) is maintained during the work station. 10. The synchronously linked quick switch according to claim 1, characterized in that it further comprises at least one device arranged below the main beam (1) and used for when the main beam (1) moves downwards in place A buffer device (24) abutting against the lower end of the main beam (1).

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