CN212365771U

CN212365771U - Linkage mechanism of moving contact of combined switch, combined switch and power distribution system

Info

Publication number: CN212365771U
Application number: CN202020563517.2U
Authority: CN
Inventors: 王钰啸
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-01-15
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a link gear of combination switch moving contact, but the carousel is through pivot slidable mounting in the spout, the carousel edge is equipped with the moving contact, be equipped with on the body with the moving contact cooperation decide the contact, the horizontal pole is located the carousel and keeps away from body one side, the carousel is equipped with the transmission post towards horizontal pole one side, be equipped with on the horizontal pole with transmission post complex transmission groove, the vertical pole is connected with the carousel and is used for driving the carousel to slide along the spout on the body and be connected/break away from and the transmission post breaks away from/the transmission is connected with the transmission groove with the drive moving contact. Through the link gear of combined switch moving contact of above-mentioned optimal design, compact structure through drive carousel rotation and radial movement, realizes the break-make switching action of moving contact and fixed contact, and at this in-process, at carousel and this body connection in-process, the horizontal pole is relieved the transmission with the carousel and is connected to do not cause the influence to its break-make, realize that many branches break-make separation control switches, reduce the intelligent network deployment degree of difficulty of distribution network.

Description

Linkage mechanism of moving contact of combined switch, combined switch and power distribution system

Technical Field

The utility model relates to an intelligent power transmission and distribution technical field especially relates to a link gear, combination switch and distribution system of combination switch moving contact.

Background

At present, in a low-voltage transmission and distribution network, a phase change switch, a capacitance switching switch and a branch circuit breaker which are used in a centralized transmission and distribution scene such as a user side single-phase load phase change, a transformer side reactive compensation cabinet, a feeder line cabinet and the like can only independently control one corresponding path of load, and in view of actual working condition requirements, a plurality of same or similar phase change switches, switching switches and circuit breakers are required to be gathered and used in the same distribution scene, so that the phase change switches, the switching switches and the circuit breakers occupy larger space, and then in the process of intelligent power transmission and distribution networking, each phase change switch, capacitance switching switch or circuit breaker needs to occupy corresponding communication and control resources, and the difficulty of realizing the intelligent power transmission and distribution networking is increased to a certain extent.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the background art, the utility model provides a link gear, combination switch and distribution system of combination switch moving contact.

The utility model provides a pair of link gear of combination switch moving contact, include: the device comprises a body, a rotary table, a cross rod and a longitudinal rod;

the turntable is vertically arranged on one side of the body, a sliding groove extending along the radial direction of the turntable is arranged on the body, a rotating shaft extending along the axial direction is arranged on one side of the turntable, which faces the body, the turntable is slidably arranged in the sliding groove through the rotating shaft, a moving contact is arranged on the edge of the turntable, a fixed contact matched with the moving contact is arranged on the body, and the fixed contact is positioned on one side, away from the rotating shaft, of;

the transverse rod is positioned on one side of the rotary disc, which is far away from the body, and is positioned on one side of the rotary shaft, which is far away from the fixed contact, and is perpendicular to the rotary shaft, the rotary disc is provided with a transmission column on one side, which faces the transverse rod, the transverse rod is provided with a transmission groove matched with the transmission column, and the longitudinal rod is connected with the rotary disc and is used for driving the rotary disc to slide along the sliding groove on the body so as to drive the moving contact to be connected/.

Preferably, the edge of the rotary table is provided with a positioning protrusion, the body is provided with a positioning block, the positioning block is positioned on one side of the rotary table away from the transverse rod, and one side of the positioning block facing the rotary table is provided with a positioning groove matched with the positioning protrusion.

Preferably, the movable contact is positioned at one end of the positioning protrusion, which is far away from the rotating shaft, and the positioning contact is positioned at the bottom of the positioning groove.

Preferably, the positioning protrusion is provided with obliquely arranged boosting surfaces along both sides of the circumferential direction of the turntable, and the distance between the two boosting surfaces is gradually increased towards the direction away from the rotating shaft.

Preferably, a plurality of positioning protrusions and a plurality of moving contacts are arranged on the rotating disc, the moving contacts are distributed around the rotating shaft along the circumference, and each moving contact is arranged corresponding to one positioning protrusion.

Preferably, still include the vertical pole electro-magnet, the vertical pole sets up and one end is connected with the carousel along spout extending direction, and the vertical pole electro-magnet is kept away from pivot one end with the vertical pole and is connected and be used for electromagnetic drive vertical pole to drive the carousel and slide along the spout.

Preferably, still include reset spring, reset spring is located between vertical pole and the vertical pole electro-magnet, and reset spring both ends are connected with vertical pole and vertical pole electro-magnet respectively.

Preferably, the cross bar is provided with a plurality of transmission grooves which are sequentially arranged along the length direction.

Preferably, the rotary table comprises a plurality of bodies and a plurality of rotary tables, the bodies are sequentially arranged along the extension direction of the cross rod, each rotary table is positioned between one body and the cross rod, a plurality of transmission groove groups are arranged on the cross rod, each transmission groove group comprises a plurality of transmission grooves, and each transmission groove group is arranged corresponding to the transmission column of one rotary table.

The utility model discloses in, the link gear of combined switch moving contact that proposes, but the carousel is through pivot slidable mounting in the spout, the carousel edge is equipped with the moving contact, be equipped with on the body with the moving contact cooperation decide the contact, the horizontal pole is located the carousel and keeps away from body one side, the carousel is equipped with the transmission post towards horizontal pole one side, be equipped with on the horizontal pole with transmission post complex transmission groove, the vertical pole is connected with the carousel and is used for driving the carousel to slide along the spout on the body and be connected/break away from and the transmission post breaks away from/the transmission is connected with the transmission groove with the drive moving. Through the link gear of combined switch moving contact of above-mentioned optimal design, compact structure through drive carousel rotation and radial movement, realizes the break-make switching action of moving contact and fixed contact, and at this in-process, at carousel and this body connection in-process, the horizontal pole is relieved the transmission with the carousel and is connected to do not cause the influence to its break-make, realize that many branches break-make separation control switches, reduce the intelligent network deployment degree of difficulty of distribution network.

The utility model also provides a combination switch, the link gear including foretell combination switch moving contact.

Preferably, the device further comprises a driving electromagnet assembly, wherein the driving electromagnet assembly comprises: the device comprises a body, a first fixed iron core, a second fixed iron core and a bidirectional movable iron core;

the first fixed iron core and the second fixed iron core are fixedly installed on the body and sequentially arranged along the extension direction of the cross rod, one side of the first fixed iron core, facing the second fixed iron core, is provided with a first fixed coil, one side of the second fixed iron core, facing the first fixed iron core, is provided with a second fixed coil, the first fixed iron core and the second fixed iron core are arranged at intervals, the bidirectional moving iron core is positioned between the first fixed iron core and the second fixed iron core, the cross rod is connected with the bidirectional moving iron core, two sides of the bidirectional moving iron core are respectively provided with a first spring and a second spring, the first spring is positioned between the bidirectional moving iron core and the first fixed iron core, and the second spring is positioned between the bidirectional moving iron;

preferably, the iron core further comprises a first unidirectional moving iron core, a first limiting plate is arranged on the body, the first limiting plate is located between the first fixed iron core and the bidirectional moving iron core, the first unidirectional moving iron core is located on one side, close to the first fixed iron core, of the first limiting plate, a first spring is located between the first unidirectional moving iron core and the bidirectional moving iron core, a third spring is arranged between the first unidirectional moving iron core and the first fixed iron core, and a first moving coil is arranged on one side, facing the bidirectional moving iron core, of the first unidirectional moving iron core;

more preferably, the iron core is unidirectionally moved to the second, is equipped with the second limiting plate on the body, and the second limiting plate is located between second fixed iron core and the two-way iron core that moves, and the one-way iron core that moves of second is located second limiting plate and is close to second fixed iron core one side, and the second spring is located between the one-way iron core that moves of second and the two-way iron core that moves, and the one-way iron core that moves of second is equipped with the second and moves the coil towards two-way iron core one side that moves between second one-way iron core and the second fixed iron core that moves.

The utility model discloses in, the combination switch that proposes replaces conventional step motor through the drive of drive electromagnet assembly, and through different coil break-make electricity, realizes two-way multi-state position switching of moving the iron core to drive horizontal pole drive carousel and rotate the switching station, for the motor drive mode, greatly reduced accessory cost improves the drive reliability.

The utility model discloses a distribution system is further provided, including above-mentioned combination switch.

The utility model discloses in, the distribution system that provides, its technological effect is similar with the link gear of above-mentioned combination switch moving contact, consequently no longer gives unnecessary details.

Drawings

Fig. 1 is a schematic structural diagram of a linkage mechanism of a moving contact of a combination switch provided by the present invention.

Fig. 2 is a schematic side view of a linkage mechanism of a moving contact of a combination switch.

Fig. 3 is a schematic structural diagram of linkage of a linkage mechanism of a moving contact of a combination switch.

Fig. 4 is a schematic structural diagram of a driving electromagnet assembly of a combination switch according to the present invention.

Fig. 5 is another schematic structural diagram of a driving electromagnet assembly of a combination switch according to the present invention.

Fig. 6 is another schematic structural diagram of a driving electromagnet assembly of a combination switch according to the present invention.

Detailed Description

As shown in fig. 1 to 3, fig. 1 is the utility model provides a link gear's of combination switch moving contact structural schematic, fig. 2 is the utility model provides a link gear's of combination switch moving contact side view structural schematic, fig. 3 is the utility model provides a structural schematic of linkage gear's of combination switch moving contact linkage, fig. 4 is the utility model provides a structural schematic of a combination switch's drive electromagnet assembly, fig. 5 is the utility model provides a another kind of structural schematic of combination switch's drive electromagnet assembly, fig. 6 is the utility model provides a further structural schematic of combination switch's drive electromagnet assembly.

Referring to fig. 1 to 3, the utility model provides a link gear of combination switch moving contact, include: the device comprises a body 1, a turntable 2, a cross rod 3 and a longitudinal rod 4;

the body 1 is provided with a chute extending along the radial direction of the turntable 2, one side of the turntable 2 facing the body 1 is provided with a rotating shaft 5 extending along the axial direction, the turntable 2 is slidably arranged in the chute through the rotating shaft 5, the edge of the turntable 2 is provided with a moving contact 61, the body 1 is provided with a fixed contact 62 matched with the moving contact 61, and the fixed contact 62 is positioned on one side of the moving contact 61 away from the rotating shaft 5;

the transverse rod 3 is positioned on one side of the turntable 2, which is far away from the body 1, and is positioned on one side of the rotating shaft 5, which is far away from the fixed contact 62, and is perpendicular to the rotating shaft 5, the turntable 2 is provided with a transmission column 8 towards one side of the transverse rod 3, the transverse rod 3 is provided with a transmission groove matched with the transmission column 8, and the longitudinal rod 4 is connected with the turntable 2 and is used for driving the turntable 2 to slide along the sliding groove on the body 1 so as to drive the moving contact 61 to be connected/separated from the fixed contact 62 and.

In the concrete working process of the link gear of the combined switch moving contact of this embodiment, the longitudinal rod 4 drives the turntable 2 to slide along the sliding groove, so that the transmission column on the turntable is matched with the transmission groove of the cross rod, according to the moving contact of the turntable and the requirement of the fixed contact station, the cross rod moves transversely, the turntable is driven by the transmission column to rotate to the moving contact to correspond to the fixed contact, then the longitudinal rod drives the turntable to slide reversely, so that the transmission column is separated from the transmission groove of the cross rod, and meanwhile, the moving contact is in accurate contact with the fixed contact, so that the electric connection is realized.

In this embodiment, in the proposed linkage mechanism of the moving contact of the combination switch, the turntable is slidably mounted in the chute through the rotating shaft, the moving contact is arranged at the edge of the turntable, the body is provided with the fixed contact matched with the moving contact, the cross rod is located on one side of the turntable away from the body, the turntable is provided with the transmission column towards one side of the cross rod, the cross rod is provided with the transmission groove matched with the transmission column, and the longitudinal rod is connected with the turntable and used for driving the turntable to slide along the chute on the body so as to drive the moving contact to be connected with/separated from the fixed contact and the. Through the link gear of combined switch moving contact of above-mentioned optimal design, compact structure through drive carousel rotation and radial movement, realizes the break-make switching action of moving contact and fixed contact, and at this in-process, at carousel and this body connection in-process, the horizontal pole is relieved the transmission with the carousel and is connected to do not cause the influence to its break-make, realize that many branches break-make separation control switches, reduce the intelligent network deployment degree of difficulty of distribution network.

In the concrete design mode, in order to guarantee that the vertical pole drive carousel slides the back, the moving contact corresponds with deciding contact circumference position accuracy, 2 edges on the carousel are equipped with location arch 11, are equipped with locating piece 7 on the body 1, and locating piece 7 is located carousel 2 and keeps away from horizontal pole 3 one side, and locating piece 7 is equipped with the constant head tank with location arch 11 complex towards carousel 2 one side.

In a further specific embodiment of the positioning protrusion, the positioning protrusion 7 is provided with obliquely arranged boosting surfaces along both sides of the circumferential direction of the turntable, and the distance between the two boosting surfaces is gradually increased towards the direction far away from the rotating shaft 5; when the turntable moves towards the body, the positioning protrusions play a role in circumferential adjustment on the circumferential position of the turntable, and the accuracy of the electrical connection position of the moving contact and the fixed contact is further improved.

In order to realize the multi-state switching process of the combination switch, in one embodiment, the turntable 2 is provided with a plurality of positioning protrusions 11 and a plurality of moving contacts 61, the plurality of moving contacts 61 are distributed around the rotating shaft 5 along the circumference, and each moving contact 61 is arranged corresponding to one positioning protrusion 11; the cross rod pushes the rotary disc to rotate, so that the switching of different moving contacts and fixed contact stations can be realized, and when one moving contact is matched with one fixed contact, the positioning protrusion is matched and positioned with one positioning groove.

In the specific design mode of the moving contact and the fixed contact, the moving contact 61 is positioned at one end of the positioning bulge 11, which is far away from the rotating shaft 5, and the fixed contact 62 is positioned at the bottom of the positioning groove, so that the moving contact and the fixed contact are reliably and electrically connected when the positioning bulge is positioned.

Referring to fig. 2, in the process of driving the radial station of the rotary table through the longitudinal rod, the rotary table further comprises a longitudinal rod electromagnet, the longitudinal rod 4 is arranged along the extension direction of the sliding groove, one end of the longitudinal rod 4 is connected with the rotary table 2, and the longitudinal rod electromagnet is connected with one end of the longitudinal rod 4, which is far away from the rotating shaft 5, and is used for electromagnetically driving the longitudinal rod 4 to drive the rotary table 2 to slide along the sliding groove; the axial driving of the rotating disc through the longitudinal rod is realized through electromagnetic control.

In a further specific embodiment, the present embodiment further includes a return spring 12, the return spring 12 is located between the vertical rod 4 and the vertical rod electromagnet 9, and two ends of the return spring 12 are respectively connected to the vertical rod 4 and the vertical rod electromagnet 9.

Referring to fig. 3, in another specific embodiment for implementing a multi-state switching process of a combination switch, the combination switch includes a plurality of bodies 1 and a plurality of rotating discs 2, the plurality of bodies 1 are sequentially arranged along an extending direction of a cross bar 3, each rotating disc 2 is located between one body 1 and the cross bar 3, the cross bar 3 is provided with a plurality of transmission groove sets, each transmission groove set includes a plurality of transmission grooves, and each transmission groove set corresponds to a transmission column 8 of one rotating disc 2; according to the requirement, the radial stations of the corresponding turntables are controlled through the longitudinal rods, the turntables in transmission connection with the transverse rods can be driven to rotate through the transverse rods, the circumferential stations of the turntables are switched, and therefore the on-off switching of a plurality of movable contacts of the turntables and fixed contacts of the body is achieved.

In order to facilitate the matching of the cross rod and the transmission column of the turntable, the cross rod 3 is provided with a plurality of transmission grooves which are sequentially arranged along the length direction, and when the turntable moves towards the cross rod, the transmission column is convenient to be matched with the nearest transmission groove.

The present embodiment further provides a combination switch, which includes the above-mentioned linkage mechanism of the moving contact 61 of the combination switch.

Referring to fig. 4-6, in order to ensure the reliable movement of the cross bar in the horizontal direction, in a specific design manner of the combination switch, the present embodiment further includes a driving electromagnet assembly for driving the horizontal position switching of the cross bar. However, the driving electromagnet assembly usually has two stations for switching on and off, and when a plurality of stations are arranged on the circumference of the turntable, the cross bar needs to be arranged in a corresponding transverse position state so as to drive the turntable to rotate to the plurality of stations.

Thus, in a particular design of the driving electromagnet assembly, the driving electromagnet assembly comprises: the device comprises a body 1, a first fixed iron core 21, a second fixed iron core 22 and a bidirectional movable iron core 23;

first fixed iron core 21 and second fixed iron core 22 fixed mounting just arrange in proper order along the 3 extending direction of horizontal pole on the body 1, first fixed iron core 21 is equipped with first fixed coil towards second fixed iron core 22 one side, second fixed iron core 22 is equipped with the second fixed coil towards first fixed iron core 21 one side, first fixed iron core 21 and second fixed iron core 22 interval set up, two-way movable iron core 23 is located between first fixed iron core 21 and the second fixed iron core 22, horizontal pole 3 is connected with two-way movable iron core 23, two-way movable iron core 23 both sides are equipped with first spring 26 and second spring 27 respectively, first spring 26 is located between two-way movable iron core 23 and the first fixed iron core 21 just, second spring 27 is located between two-way movable iron core 23 and the second fixed iron core 22.

In the specific driving process of the driving electromagnet assembly, when a first fixed coil on a first fixed iron core is electrified, the first fixed iron core performs magnetic adsorption on the bidirectional moving iron core under the action of an electric field, the bidirectional moving iron core moves to a first on-state towards the direction of the first fixed iron core, when a second fixed coil on a second fixed iron core is electrified, the second fixed iron core performs magnetic adsorption on the bidirectional moving iron core under the action of the electric field, the bidirectional moving iron core moves to a second on-state towards the direction of the second fixed iron core, when the first fixed coil and the second fixed coil are both powered off, the bidirectional moving iron core is under the action of a first spring and a second spring, the bidirectional moving iron core is in an intermediate off-state, the electromagnet three-state switching is realized, the transverse rod driving turntable is further driven to realize the three-state switching, and the three-state positions of the transverse rod correspond to three stations on the turntable.

When the carousel has four stations, correspondingly, the driving electromagnet subassembly still includes first one-way movable iron core 24, be equipped with first limiting plate on the body 1, first limiting plate is located between first fixed iron core 21 and the two-way movable iron core 23, first one-way movable iron core 24 is located first limiting plate and is close to first fixed iron core 21 one side, first spring 26 is located between first one-way movable iron core 24 and the two-way movable iron core 23, be equipped with third spring 28 between first one-way movable iron core 24 and the first fixed iron core 21, first one-way movable iron core 24 is equipped with first movable coil towards two-way movable iron core 23 one side.

When a first fixed coil on the first fixed core is electrified, the first fixed core magnetically adsorbs the first unidirectional moving core under the action of an electric field, so that the first unidirectional moving core drives the bidirectional moving core to move towards the first fixed core to a first on-state, when a second fixed coil on the second fixed core is electrified, the second fixed core magnetically adsorbs the bidirectional moving core under the action of the electric field, so that the bidirectional moving core moves towards the second fixed core to a second on-state, at the moment, the first limiting plate limits the first unidirectional moving core to enable the first unidirectional moving core not to move towards the second fixed core along with the bidirectional moving core, when the first moving coil on the first unidirectional moving core is electrified, under the action of the electric field, the bidirectional moving core moves towards the first unidirectional moving core to a third on-state, and when the first fixed coil, the second fixed coil and the first moving coil are all powered off, the bidirectional moving iron core is in a middle discontinuous state under the action of the first spring, the second spring and the third spring, so that the four-state switching of the electromagnet is realized.

Correspondingly, in other specific embodiments, the present embodiment further includes a second unidirectional moving iron core 25, a second limiting plate is disposed on the body 1, the second limiting plate is located between the second fixed iron core 22 and the bidirectional moving iron core 23, the second unidirectional moving iron core 25 is located on a side of the second limiting plate close to the second fixed iron core 22, the second spring 27 is located between the second unidirectional moving iron core 25 and the bidirectional moving iron core 23, a fourth spring 29 is disposed between the second unidirectional moving iron core 25 and the second fixed iron core 22, and a second moving coil is disposed on a side of the second unidirectional moving iron core 25 facing the bidirectional moving iron core 23.

In order to realize more state switching of the electromagnet assembly, in a further specific design mode of the unidirectional moving iron core, the first unidirectional moving iron core 24 comprises a plurality of first sub-iron cores, a plurality of first limiting plates are arranged on the body 1, the plurality of first limiting plates are sequentially arranged between the first fixed iron core 21 and the bidirectional moving iron core 23 at intervals, each first sub-iron core is positioned on one side, close to the first fixed iron core 21, of each first limiting plate, a fourth spring is arranged between every two adjacent first sub-iron cores, and a first sub-coil is arranged on each first sub-iron core; when each sub-coil is electrified, the bidirectional movable iron core moves to the state position corresponding to the electrified sub-coil under the action of the electric field, so that the flexible switching of the multi-state positions of the electromagnet is further realized, and the multi-station switching of the turntable is further realized.

In this embodiment, a power distribution system is further provided, which includes the combination switch.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a link gear of combination switch moving contact which characterized in that includes: the device comprises a body (1), a turntable (2), a cross rod (3) and a longitudinal rod (4);

the body (1) is provided with a sliding groove extending along the radial direction of the turntable (2), one side of the turntable (2) facing the body (1) is provided with a rotating shaft (5) extending along the axial direction, the turntable (2) is slidably mounted in the sliding groove through the rotating shaft (5), the edge of the turntable (2) is provided with a movable contact (61), the body (1) is provided with a fixed contact (62) matched with the movable contact (61), and the fixed contact (62) is positioned on one side, away from the rotating shaft (5), of the movable contact (61);

horizontal pole (3) are located carousel (2) and keep away from body (1) one side and are located pivot (5) and keep away from fixed contact (62) one side perpendicular to pivot (5) and set up, carousel (2) are equipped with transmission post (8) towards horizontal pole (3) one side, be equipped with on horizontal pole (3) with transmission post (8) complex transmission groove, vertical pole (4) are connected with carousel (2) and are used for driving carousel (2) to slide along the spout on body (1) and be connected/break away from and transmission post (8) break away from/are connected with the transmission groove with drive moving contact (61) and fixed contact (62).

2. The linkage mechanism of the moving contact of the combined switch according to claim 1, wherein the edge of the rotary disk (2) is provided with a positioning protrusion (11), the body (1) is provided with a positioning block (7), the positioning block (7) is positioned at one side of the rotary disk (2) far away from the cross rod (3), and one side of the positioning block (7) facing the rotary disk (2) is provided with a positioning slot matched with the positioning protrusion (11).

3. The linkage mechanism of the moving contact of the combined switch as claimed in claim 2, wherein the positioning protrusion (11) is provided with the boosting surfaces which are obliquely arranged along both sides of the circumferential direction of the turntable (2), and the distance between the two boosting surfaces is gradually increased towards the direction far away from the rotating shaft (5).

4. A linkage mechanism for movable contacts of a combination switch according to claim 2, wherein the rotary plate (2) is provided with a plurality of positioning protrusions (11) and a plurality of movable contacts (61), the plurality of movable contacts (61) are circumferentially distributed around the rotary shaft (5), and each movable contact (61) is provided corresponding to one positioning protrusion (11).

5. The linkage mechanism of the moving contact of the combination switch according to claim 1, further comprising a vertical rod electromagnet (9), wherein the vertical rod (4) is arranged along the extending direction of the sliding groove, one end of the vertical rod electromagnet (9) is connected with the rotating disc (2), and the end, far away from the rotating shaft (5), of the vertical rod (4) is connected with the vertical rod electromagnet (9) and used for electromagnetically driving the vertical rod (4) to drive the rotating disc (2) to slide along the sliding groove.

6. A linkage mechanism for movable contacts of a combination switch according to claim 1, characterized in that it comprises a plurality of bodies (1) and a plurality of turntables (2), wherein the plurality of bodies (1) are arranged in sequence along the extension direction of the cross bar (3), each turntable (2) is arranged between one body (1) and the cross bar (3), the cross bar (3) is provided with a plurality of transmission groove sets, each transmission groove set comprises a plurality of transmission grooves, and each transmission groove set is arranged corresponding to a transmission column (8) of one turntable (2).

7. A combination switch characterized by comprising a linkage of the moving contacts of the combination switch according to claims 1-6.

8. The combination switch of claim 7, further comprising a driving electromagnet assembly, the driving electromagnet assembly comprising: the iron core comprises a body (1), a first fixed iron core (21), a second fixed iron core (22) and a bidirectional movable iron core (23);

first definite iron core (21) and second fixed iron core (22) fixed mounting just arrange in proper order along horizontal pole (3) extending direction on body (1), first definite iron core (21) is equipped with first definite coil towards second fixed iron core (22) one side, second fixed iron core (22) are equipped with the second fixed coil towards first definite iron core (21) one side, first definite iron core (21) and second fixed iron core (22) interval set up, two-way movable iron core (23) are located between first definite iron core (21) and second fixed iron core (22), horizontal pole (3) are connected with two-way movable iron core (23), two-way movable iron core (23) both sides are equipped with first spring (26) and second spring (27) respectively, first spring (26) are located between two-way movable iron core (23) and first definite iron core (21) and, second spring (27) are located between two-way movable iron core (23) and second fixed iron core (22).

9. The combination switch of claim 8, further comprising a first one-way movable iron core (24), wherein the body (1) is provided with a first limiting plate, the first limiting plate is located between the first fixed iron core (21) and the two-way movable iron core (23), the first one-way movable iron core (24) is located on one side of the first limiting plate close to the first fixed iron core (21), the first spring (26) is located between the first one-way movable iron core (24) and the two-way movable iron core (23), the third spring (28) is located between the first one-way movable iron core (24) and the first fixed iron core (21), and the first one-way movable iron core (24) is provided with a first movable coil facing one side of the two-way movable iron core (23).

10. An electrical distribution system comprising a combination switch according to claim 9.