CN115985712B - Double-break three-station isolating switch in gas-insulated ring main unit - Google Patents

Abstract

The invention relates to the technical field of isolating switches, in particular to a double-break three-station isolating switch in a gas-insulated ring main unit, which comprises a mounting frame and a working assembly, wherein the mounting frame is provided with a plurality of connecting rods; the working assembly comprises a rotating column, a fixing frame, a connecting member, a locking member, an indicating member and a protecting member; the rotating column is rotationally connected with the mounting frame and is positioned on one side of the mounting frame, the fixing frame is fixedly connected with the mounting frame and is positioned on one side of the mounting frame, the connecting member is connected with the mounting frame, the locking member is connected with the rotating column, the indicating member is connected with the mounting frame, the protecting member is connected with the rotating column, and the fact that the rotating shaft for controlling the contact is fixed at a specified position through the member is achieved, so that a user can operate the contact more conveniently and stably.

Description

Double-break three-station isolating switch in gas-insulated ring main unit

Technical Field

The invention relates to the technical field of isolating switches, in particular to a double-break three-station isolating switch in a gas-insulated ring main unit.

Background

The 10kv ring main unit is very important electrical equipment in an electric power transmission and distribution system, and the traditional SF6 insulation ring main unit realizes one-time partial full insulation through SF6 gas, but the SF6 gas insulation distance is large, and the design of single fracture is common before, so that the current actual requirements cannot be met.

In order to furthest reduce the volume of the whole isolating switch, a double-fracture three-station isolating switch is designed, and a corresponding rotatable contact is driven by a rotating shaft to be correspondingly lapped with three types of contacts, so that the three-station functions of closing, opening and grounding are completed.

However, by adopting the above manner, after the main body connected through the control of the rotating shaft is matched with the corresponding contact, the rotating shaft is easy to be separated from the corresponding contact due to misoperation or mistouch of an operator, so that the control process of actually performing the switch state is very inconvenient.

Disclosure of Invention

The invention aims to provide a double-break three-station isolating switch in a gas-insulated ring main unit, and a rotating shaft for controlling a contact can be fixed at a specified position through a member, so that a user can operate the contact more conveniently and stably.

In order to achieve the above purpose, the invention provides a double-break three-station disconnecting switch in a gas insulation ring main unit, which comprises a mounting frame and a working assembly;

the working assembly comprises a rotating column, a fixing frame, a connecting member, a locking member, an indicating member and a protecting member; the rotating column is rotationally connected with the mounting frame and is positioned on one side of the mounting frame, the fixing frame is fixedly connected with the mounting frame and is positioned on one side of the mounting frame, the connecting member is connected with the mounting frame, the locking member is connected with the rotating column, the indicating member is connected with the mounting frame, and the protecting member is connected with the rotating column.

The connecting component comprises a rotary contact knife, an upper isolation contact, an insulator, a lower isolation contact and a grounding contact, wherein the rotary contact knife is fixedly connected with the rotary column and is positioned at one side of the rotary column; the upper isolation contact is fixedly connected with the mounting frame and is positioned at one side of the mounting frame; the insulator is connected with the upper isolation contact and is fixedly arranged on one side of the mounting frame; the lower isolation contact is connected with the mounting frame and is positioned at one side of the mounting frame; the ground contact is connected with the mounting frame and is located at one side of the mounting frame.

The locking component comprises a sliding plate, a sliding lock column, a control part and a reset part, wherein the sliding plate is in sliding connection with the rotating column and is positioned at one side of the rotating column; the sliding lock column is connected with the rotating column in a sliding way and is fixedly arranged on one side of the sliding plate; the control part is connected with the rotating column; the reset component is connected with the rotating column.

The control part comprises an extrusion piece, a sliding column, a pressing piece and a handle, wherein the extrusion piece is in sliding connection with the rotating column and is positioned at one side of the rotating column, which is close to the sliding lock column; the sliding column is fixedly connected with the extrusion piece and is arranged on one side of the rotating column in a sliding manner; the pressing piece is fixedly connected with the sliding column and is positioned at one side of the sliding column; the handle is fixedly connected with the rotating column and is positioned at one side of the rotating column.

The reset component comprises an extrusion spring, a baffle plate and a reset spring, wherein two sides of the extrusion spring are respectively connected with the sliding plate and the rotating column; the baffle is fixedly connected with the rotating column and is positioned in the rotating column; and two sides of the reset spring are respectively connected with the baffle plate and the sliding column.

The indicating member comprises an embedded ring, an interception table and a marking component, wherein the embedded ring is fixedly connected with the mounting frame and is positioned at one side of the mounting frame, which is close to the handle; the interception table is fixedly connected with the mounting frame and is positioned at one side of the mounting frame, which is close to the handle; the identification component is coupled to the embedded ring.

The identification component comprises a grounding indication block, a disconnection indication block and a connection indication block, wherein the grounding indication block is fixedly connected with the embedded ring and is positioned at one side of the embedded ring; the disconnection indicating block is fixedly connected with the embedded ring and is positioned at one side of the embedded ring; the connection indicating block is fixedly connected with the embedded ring and is positioned at one side of the embedded ring.

The protection component comprises a rotating table, a rotating plate and a matching part, wherein the rotating table is fixedly connected with the rotating column and is positioned at one side of the rotating column, which is close to the pressing piece; the rotating plate is rotationally connected with the rotating table and is positioned at one side of the rotating table; the mating member is coupled to the rotating post.

The matching component comprises a clamping table, an elastic rubber block and a matching block, wherein the clamping table is fixedly connected with the rotating column and is positioned at one side of the rotating column; the elastic rubber block is fixedly connected with the clamping table and is positioned at one side of the clamping table; the matching block is fixedly connected with the rotating plate and is positioned on one side of the rotating plate, which is close to the elastic rubber block.

According to the double-break three-station disconnecting switch in the gas-insulated ring main unit, the rotating column is driven to rotate with the rotating contact knife, then the corresponding connection among the upper isolating contact, the lower isolating contact and the grounding contact is operated by rotating the rotating contact knife, when the rotating column drives the rotating contact knife to rotate to the corresponding station, the sliding lock column arranged on the rotating column is matched with the locking groove arranged in the fixed frame under the action of the extrusion spring and the sliding plate, so that the rotating column can be stably kept on the corresponding station under the limit of the sliding lock column, when a user needs to rotate the rotating column again, the sliding column and the grounding contact are driven to slide through the pressing piece, the sliding lock column is controlled to retract into the rotating column under the extrusion of the extrusion piece, the sliding lock column can be matched with the locking groove arranged in the fixed frame under the action of the extrusion spring and the sliding plate, the corresponding position of the rotating column can be adjusted conveniently, and when the user is matched with the corresponding station, the rotating column is driven to rotate, and the corresponding position of the rotating column can be adjusted conveniently, and the position of the rotating switch can be fixed.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural diagram of a dual-break three-station disconnecting switch in a gas-insulated ring main unit according to a first embodiment of the invention.

Fig. 2 is a schematic view of the installation structure of the slide lock cylinder 110.

Fig. 3 is a schematic view showing the internal structure of the rotary column according to the first embodiment of the present invention.

Fig. 4 is a schematic view showing an internal structure of a slide lock cylinder according to a first embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an entire dual-break three-station disconnecting switch in a gas-insulated ring main unit according to a second embodiment of the invention.

Fig. 6 is a schematic structural diagram of a dual-break three-station disconnecting switch in a gas-insulated ring main unit according to a third embodiment of the invention.

Fig. 7 is an enlarged view at a of fig. 6 of a third embodiment of the present invention.

In the figure: 101-mounting frame, 102-rotating post, 103-mounting bracket, 104-rotating contact blade, 105-upper isolation contact, 106-insulator, 107-lower isolation contact, 108-ground contact, 109-sliding plate, 110-sliding lock post, 111-extrusion, 112-sliding post, 113-extrusion, 114-handle, 115-extrusion spring, 116-baffle, 117-return spring, 201-insert ring, 202-intercept table, 203-ground indication block, 204-off indication block, 205-on indication block, 301-rotating table, 302-rotating plate, 303-clamping table, 304-elastic rubber block, 305-mating block.

Description of the embodiments

The following detailed description of embodiments of the invention, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the invention.

The first embodiment of the present application is:

referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an entire dual-break three-station disconnecting switch in a gas-insulated ring main unit, fig. 2 is a schematic structural diagram of a mounting structure of a sliding lock cylinder 110, fig. 3 is a schematic structural diagram of an inner structure of a rotating cylinder 102, and fig. 4 is a schematic structural diagram of an inner structure of the sliding lock cylinder 110.

The invention provides a double-break three-station isolating switch in a gas-insulated ring main unit, which comprises a main unit, a double-break three-station isolating switch and a double-break three-station isolating switch, wherein the double-break three-station isolating switch is arranged in the gas-insulated ring: including mounting frame 101 and work subassembly, work subassembly includes rotation post 102, mount 103, connecting elements, locking member, instruction component and protection component, connecting elements include rotation touch sword 104, go up isolation contact 105, insulator 106, lower isolation contact 107 and earthing contact 108, locking member includes slide plate 109, slide lock post 110, control unit and reset means, control unit includes extrusion 111, slide post 112, push down piece 113 and handle 114, reset means includes extrusion spring 115, baffle 116 and reset spring 117, has solved through the aforesaid scheme that the main part of being connected through pivot control is very easy because the maloperation of operating personnel or the mistake bumps the pivot and is led to the pivot to break away from the cooperation with corresponding contact after the cooperation with corresponding contact, makes very inconvenient problem in the control process of actually carrying out the on-off state, and it can be understood that the aforesaid scheme can be used in the time of carrying out rotation operation to the touch sword in the isolator, and current isolation switch can't fix a position and spacing to the position of touch sword, leads to easily to because the mistake to touching after rotating and leads to touching and carries out uncontrollable rotation to the sword, make the poor practical stability when using.

For the present embodiment, the mounting frame 101 is an existing housing frame for mounting the corresponding member of the isolating switch, so as to facilitate the corresponding mounting arrangement of the subsequent member.

Wherein the rotating post 102 is rotatably connected with the mounting frame 101 and is positioned at one side of the mounting frame 101, the fixing frame 103 is fixedly connected with the mounting frame 101 and is positioned at one side of the mounting frame 101, the connecting member is connected with the mounting frame 101, the locking member is connected with the rotating post 102, the indicating member is connected with the mounting frame 101, the protecting member is connected with the rotating post 102, and the sliding plate 109 is slidably connected with the rotating post 102 and is positioned at one side of the rotating post 102; the sliding lock column 110 is slidably connected to the rotating column 102 and is fixedly installed on one side of the sliding plate 109; the control part is connected with the rotating column 102; the reset component is connected with the rotating column 102, the extrusion 111 is connected with the rotating column 102 in a sliding way, and is positioned on one side of the rotating column 102 close to the sliding lock column 110; the sliding column 112 is fixedly connected with the extrusion 111 and is slidably installed at one side of the rotating column 102; the pressing piece 113 is fixedly connected with the sliding column 112 and is positioned at one side of the sliding column 112; the handle 114 is fixedly connected with the rotating column 102 and is positioned at one side of the rotating column 102, and two sides of the compression spring 115 are respectively connected with the sliding plate 109 and the rotating column 102; the baffle 116 is fixedly connected with the rotating column 102 and is positioned in the rotating column 102; the two sides of the return spring 117 are respectively connected with the baffle 116 and the sliding column 112, the sliding lock column 110 is rotatably mounted on the mounting frame 101, the fixing frame 103 is fixedly mounted on one side of the mounting frame 101, a round hole for matching the sliding lock column 102 is formed in the fixing frame 103, the sliding lock column 110 is arranged at one end of the sliding lock column 102 matched with the fixing frame 103, the sliding lock column 110 is matched with a sliding groove formed in the sliding lock column 102 through the sliding plate 109 arranged at the bottom, the sliding lock column 110 can slide correspondingly through the sliding groove formed in the sliding plate 109 and the sliding groove formed in the rotating lock column 102, the bottom of the sliding plate 109 is provided with the extrusion spring 115, the sliding plate 109 and the sliding lock column 110 can be driven to slide towards the outer side under the extrusion of the extrusion spring 115, three groups of round holes formed in the fixing frame 103 are also provided with the sliding lock column 110, the three groups of sliding lock columns are matched with the sliding lock column 110, and the three groups of sliding lock columns are matched with the sliding lock columns 102 in the direction of the round hole, and the sliding lock columns 110 are correspondingly arranged at one side of the round hole 111, the sliding lock column 110 slides downwards by a corresponding distance under the driving of the pressing piece 111, so that the sliding lock column 110 is controlled to be retracted and released, the rotating column 102 can freely rotate after the sliding lock column 110 is completely retracted into the rotating column 102, the pressing piece 113 is fixed on the outer side of the sliding column 112, the pressing piece 113 is positioned as a rubber layer, a user can feel more comfortable when pressing the pressing piece 113, the baffle 116 and the reset spring 117 are further arranged in a groove of the sliding column 112 matched with the rotating column 102, the baffle 116 is arranged in a reset groove of the middle end of the sliding column 112, two sides of the reset spring 117 are respectively fixed on the surface of the baffle 116 and the side edge of the reset groove of the sliding column 112, so that the sliding column 112 can press the reset spring 117 when the user drives the sliding column 112 to slide through the 111, when the user removes external force on the pressing piece 113, the sliding column 112 and the pressing piece 111 can press the pressing piece 111 to rotate the handle 102, and the handle 114 can be conveniently rotated by the user to drive the handle 102 to rotate.

Secondly, the rotary contact blade 104 is fixedly connected with the rotary column 102 and is positioned at one side of the rotary column 102; the upper isolation contact 105 is fixedly connected with the mounting frame 101 and is positioned at one side of the mounting frame 101; the insulator 106 is connected with the upper isolation contact 105 and is fixedly installed at one side of the installation frame 101; the lower isolation contact 107 is connected to the mounting frame 101 and is located at one side of the mounting frame 101; the grounding contact 108 is connected with the mounting frame 101 and is located at one side of the mounting frame 101, the rotary contact blade 104 is fixedly mounted on the rotary column 102, the upper isolation contact 105 is connected with the insulator 106, the upper isolation contact 105, the lower isolation contact 107 and the grounding contact 108 are respectively mounted at corresponding positions on the mounting frame 101, the three contacts are arranged in a regular triangle, when two ends of the rotary contact blade 104 are respectively connected with the upper isolation contact 105 and the lower isolation contact 107, the whole isolation switch is in a closing state, when two ends of the rotary contact blade 104 are respectively connected with the lower isolation contact 107 and the grounding contact 108, the whole isolation switch is in a grounding state, and when two ends of the rotary contact blade 104 are not in contact with any contact, the whole isolation switch is in an opening state, so that a user can switch three states of the isolation switch through angle adjustment of the rotary contact blade 104, and three stations of the isolation switch and the functions of opening and grounding switch are realized.

When the double-fracture three-station disconnecting switch in the gas-insulated ring main unit is used, the rotating contact blade 104 is driven to rotate by driving the rotating column 102, then the corresponding connection between the upper isolating contact 105, the lower isolating contact 107 and the grounding contact 108 is operated by rotating the rotating contact blade 104, when the rotating column 102 drives the rotating contact blade 104 to rotate to a corresponding station, the sliding lock column 110 arranged on the rotating column 102 can be matched with a locking groove arranged in the fixing frame 103 under the action of the pressing spring 115 and the sliding plate 109, so that the rotating column 102 can be stably kept on the corresponding station under the limit of the sliding lock column 110, when a user needs to rotate the rotating column 102 again, only the pressing piece 113 is needed to drive the sliding column 112 and the pressing piece 111 to slide, when the rotating column 102 is driven to rotate to the corresponding station, the sliding lock column 110 is controlled to move downwards, the sliding lock column 110 can be matched with the corresponding rotating column 102, and the corresponding position of the rotating column 102 can be controlled by the sliding lock column 110, and the corresponding position of the rotating column 102 can be adjusted by the corresponding position of the rotating column 102, and when the rotating column 102 is driven to rotate to the corresponding station, and the corresponding position of the rotating column 102 can be more stable.

Second embodiment:

referring to fig. 5 on the basis of the first embodiment, fig. 5 is a schematic structural diagram of the whole dual-port three-station disconnecting switch in the gas-insulated ring main unit of the second embodiment, and the indicating member provided by the invention comprises an embedded ring 201, an interception table 202 and an identification component, wherein the identification component comprises a grounding indicating block 203, an opening indicating block 204 and a closing indicating block 205.

Wherein the embedded ring 201 is fixedly connected with the mounting frame 101 and is positioned at one side of the mounting frame 101 close to the handle 114; the interception table 202 is fixedly connected with the mounting frame 101 and is positioned on one side of the mounting frame 101 close to the handle 114; the identification component is connected with the embedded ring 201, and the grounding indication block 203 is fixedly connected with the embedded ring 201 and is positioned at one side of the embedded ring 201; the disconnection indicating block 204 is fixedly connected with the embedded ring 201 and is positioned at one side of the embedded ring 201; the on indication block 205 is fixedly connected with the embedded ring 201 and is located at one side of the embedded ring 201, the embedded ring 201 is disposed at the outer side of the rotation range of the handle 114, the ground indication block 203, the off indication block 204 and the on indication block 205 are respectively disposed on the embedded ring 201, so that when the handle 114 is rotated by a user, the rotation state of the rotary contact blade 104 can be judged by the corresponding indication block pointed by the handle 114, and meanwhile, the surfaces of the three indication blocks are coated with noctilucent coatings, so that the user can still perform corresponding rotation operation under the condition of weaker illumination, and the interception table 202 is further disposed at two limit positions of the rotation of the handle 114, so that the user can more clearly and correspondingly rotate through the setting of the interception table 202 when driving the rotary column 102 to rotate, and the user can operate more conveniently.

When the double-fracture three-station disconnecting switch in the gas-insulated ring main unit is used, the rotating positions of the handle and the rotating column 102 can be observed and confirmed more intuitively through the grounding indication block 203, the disconnection indication block 204 and the connection indication block 205 which are arranged on the embedded ring 201, and then the rotating range of the rotating column 102 and the handle can be limited through the two interception platforms 202, so that a user can conveniently drive the handle 114 and the rotating column 102 to rotate, the practical use is facilitated, and the practicability of the whole device is greatly enhanced.

Third embodiment:

referring to fig. 6 and 7, fig. 6 is a schematic structural diagram of an entire dual-break three-station disconnecting switch in a gas-insulated ring main unit according to a third embodiment, and fig. 7 is an enlarged view of a portion a of fig. 6 according to the third embodiment.

Wherein the rotating table 301 is fixedly connected with the rotating column 102, and is located at one side of the rotating column 102, which is close to the pressing member 113; the rotating plate 302 is rotatably connected with the rotating table 301 and is positioned at one side of the rotating table 301; the matching component is connected with the rotating column 102, and the clamping table 303 is fixedly connected with the rotating column 102 and is positioned at one side of the rotating column 102; the elastic rubber block 304 is fixedly connected with the clamping table 303 and is positioned at one side of the clamping table 303; the matching block 305 is fixedly connected with the rotating plate 302 and is located at one side of the rotating plate 302, which is close to the elastic rubber block 304, the rotating plate 301 and the clamping plate 303 are respectively arranged at the upper side and the lower side of the pressing piece 113, the rotating plate 302 rotatably mounted on the rotating plate 301 is provided with a connecting boss matched with the clamping plate 303, the matching block 305 is fixedly mounted on the connecting boss arranged on the rotating plate 302, the matching block 305 is in an L shape, the matching block is matched with a clamping groove arranged on the clamping plate 303, two elastic rubber blocks 304 are arranged in the clamping groove of the clamping plate 303, when the rotating plate 302 rotates, the matching block 305 arranged on the rotating plate 302 can be used for extruding the elastic rubber block 304 to deform, and after the rotating plate 302 is in contact with the bottom wall of the clamping groove, the elastic rubber block 304 can be reset to a normal state, so that the matching block 305 and the rotating plate 302 can not be matched with the clamping plate 303 under the action of external force.

When the double-fracture three-station disconnecting switch in the gas-insulated ring main unit is used, the pressing piece 113 can be correspondingly protected by rotating the rotating plate 302 arranged on the rotating table 301, when a user needs to press the pressing piece 113, the rotating plate 302 is only required to be rotated by stirring, the elastic rubber block 304 is extruded by the matching block 305 under the driving of the rotating plate 302, so that the matching block 305 can be separated from the matching of the clamping table 303 by means of external force, the user can pull the rotating plate 302 open, the pressing piece 111 is conveniently pressed by the user, and when the pressing piece 111 does not need to be pressed, the user can cover the surface of the pressing piece 113 through the matching of the matching block 305 and the clamping table 303 on the rotating plate 302, the misoperation of the pressing piece 113 by the user or other irrelevant staff is avoided, and the practicability of the whole device is greatly enhanced.

The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.

Claims (5)

1. The double-break three-station isolating switch in the gas insulation ring main unit comprises a mounting frame, and is characterized in that,

the device also comprises a working assembly;

the working assembly comprises a rotating column, a fixing frame, a connecting member, a locking member, an indicating member and a protecting member; the rotating column is rotationally connected with the mounting frame and is positioned on one side of the mounting frame, the fixing frame is fixedly connected with the mounting frame and is positioned on one side of the mounting frame, the connecting member is connected with the mounting frame, the locking member is connected with the rotating column, the indicating member is connected with the mounting frame, and the protecting member is connected with the rotating column;

the locking component comprises a sliding plate, a sliding lock column, a control part and a reset part, wherein the sliding plate is in sliding connection with the rotating column and is positioned at one side of the rotating column; the sliding lock column is connected with the rotating column in a sliding way and is fixedly arranged on one side of the sliding plate; the control part is connected with the rotating column; the reset component is connected with the rotating column;

the control part comprises an extrusion piece, a sliding column, a pressing piece and a handle, wherein the extrusion piece is in sliding connection with the rotating column and is positioned at one side of the rotating column, which is close to the sliding lock column; the sliding column is fixedly connected with the extrusion piece and is arranged on one side of the rotating column in a sliding manner; the pressing piece is fixedly connected with the sliding column and is positioned at one side of the sliding column; the handle is fixedly connected with the rotating column and is positioned at one side of the rotating column;

the protection component comprises a rotating table, a rotating plate and a matching part, wherein the rotating table is fixedly connected with the rotating column and is positioned at one side of the rotating column, which is close to the pressing piece; the rotating plate is rotationally connected with the rotating table and is positioned at one side of the rotating table; the matching component is connected with the rotating column;

the matching component comprises a clamping table, an elastic rubber block and a matching block, wherein the clamping table is fixedly connected with the rotating column and is positioned at one side of the rotating column; the elastic rubber block is fixedly connected with the clamping table and is positioned at one side of the clamping table; the matching block is fixedly connected with the rotating plate and is positioned on one side of the rotating plate, which is close to the elastic rubber block.

2. A double-break three-position disconnecting switch in a gas-insulated ring main unit as claimed in claim 1,

the connecting component comprises a rotary contact knife, an upper isolation contact, an insulator, a lower isolation contact and a grounding contact, wherein the rotary contact knife is fixedly connected with the rotary column and is positioned at one side of the rotary column; the upper isolation contact is fixedly connected with the mounting frame and is positioned at one side of the mounting frame; the insulator is connected with the upper isolation contact and is fixedly arranged on one side of the mounting frame; the lower isolation contact is connected with the mounting frame and is positioned at one side of the mounting frame; the ground contact is connected with the mounting frame and is located at one side of the mounting frame.

3. A double-break three-position disconnecting switch in a gas-insulated ring main unit as claimed in claim 1,

the reset component comprises an extrusion spring, a baffle plate and a reset spring, wherein two sides of the extrusion spring are respectively connected with the sliding plate and the rotating column; the baffle is fixedly connected with the rotating column and is positioned in the rotating column; and two sides of the reset spring are respectively connected with the baffle plate and the sliding column.

4. A double-break three-position disconnecting switch in a gas-insulated ring main unit as claimed in claim 1,

the indicating member comprises an embedded ring, an interception table and a marking component, wherein the embedded ring is fixedly connected with the mounting frame and is positioned at one side of the mounting frame, which is close to the handle; the interception table is fixedly connected with the mounting frame and is positioned at one side of the mounting frame, which is close to the handle; the identification component is coupled to the embedded ring.

5. A double-break three-position disconnecting switch in a gas-insulated ring main unit as claimed in claim 4,

the identification component comprises a grounding indication block, a disconnection indication block and a connection indication block, wherein the grounding indication block is fixedly connected with the embedded ring and is positioned at one side of the embedded ring; the disconnection indicating block is fixedly connected with the embedded ring and is positioned at one side of the embedded ring; the connection indicating block is fixedly connected with the embedded ring and is positioned at one side of the embedded ring.

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