CN216562899U

CN216562899U - Connecting shaft for isolating switch

Info

Publication number: CN216562899U
Application number: CN202123363754.8U
Authority: CN
Inventors: 蒋志强
Original assignee: Changzhou Atila Automation Technology Co ltd
Current assignee: Changzhou Atila Automation Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a connecting shaft for an isolating switch, which comprises an insulating column, wherein the insulating column sequentially penetrates through a first electric control box, a second electric control box and a limiting box, the first electric control box, the second electric control box and the limiting box are fixedly connected with an isolating switch shell, a self-resetting mechanism is installed in the first electric control box, and a locking mechanism is installed in the second electric control box, wherein the self-resetting mechanism and the locking mechanism jointly control the insulating column to change a deflection state. Greatly facilitating the flow of circuit maintenance.

Description

Connecting shaft for isolating switch

Technical Field

The utility model relates to the technical field of isolating switches, in particular to a connecting shaft for an isolating switch.

Background

The isolating switch is an electrical appliance which is used most in high-voltage switching electrical appliances, and has the advantages that the operating principle and the structure of the isolating switch are simple, but the isolating switch has large using amount and high requirement on operating reliability, has large influence on the design, establishment and safe operation of a substation and a power plant, and is mainly characterized in that the isolating switch has no arc extinguishing capability and can be switched on and off only under the condition of no load current;

when the traditional isolating switch is used, the isolating switch is manually opened, which causes great inconvenience to the maintenance of a power system and cannot realize remote control, and when the electromagnetic technology is used for realizing automatic control, a pin is required to be arranged to prevent the switch disconnection phenomenon caused by magnetic failure, so that the connecting shaft for the isolating switch is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a connecting shaft for an isolating switch, which solves the technical problems that the traditional isolating switch needs to be manually opened in the using process, great inconvenience is caused to the maintenance of a power system, and remote control cannot be realized.

In order to solve the technical problem, the connecting shaft for the isolating switch provided by the utility model comprises an insulating column, wherein the insulating column sequentially penetrates through a first electric control box, a second electric control box and a limiting box, the first electric control box, the second electric control box and the limiting box are fixedly connected with a shell of the isolating switch, a self-resetting mechanism is arranged in the first electric control box, a locking mechanism is arranged in the second electric control box, and the self-resetting mechanism and the locking mechanism jointly control the insulating column to change the deflection state.

Preferably, from canceling release mechanical system includes the gear, gear fixed connection is in the part that the insulated column is located first automatically controlled box, the meshing of gear is connected with the rack, the rack slides to inlay and establishes between the both sides wall of first automatically controlled box, the fixed magnet that inlays of downside of rack, the first spring of one side fixedly connected with of magnet, the first electro-magnet of other end fixedly connected with of first spring, first electro-magnet is by fixed mounting at first automatically controlled box inner wall.

Preferably, the locking mechanism comprises a locking ring, the locking ring is fixedly connected to the part, located in the second electric control box, of the insulating column, an insertion hole is formed in the outer wall of the locking ring, a locking rod is embedded in the insertion hole, a guide rod is fixedly connected to one side of the locking rod, and the top end of the guide rod penetrates out of the second electric control box and the isolating switch shell.

Preferably, fixedly connected with slide between lock pole and the guide arm, fixedly connected with second spring between slide and the automatically controlled box inner wall of second, the second electro-magnet is installed on the inner wall in the second spring and the automatically controlled box that is located the second, just the embedded magnetic conduction metal block that is equipped with of slide.

Preferably, the front end face of the insulating column is fixedly connected with a transverse plate, the rear end of the insulating column is fixedly embedded with a conductive column, the conductive column is of an L-shaped structure, and two ends of the conductive column penetrate out of the insulating column.

Preferably, an arc-shaped groove is formed in the limiting box, a metal electric connection piece is arranged on one side of the arc-shaped groove and is connected with electrical equipment externally through a wire, one end of a conductive column is arranged in the arc-shaped groove, one end of the conductive column corresponds to the metal electric connection piece, and the other end of the conductive column is electrically connected with the rotary connector.

Compared with the prior art, the connecting shaft for the isolating switch has the following beneficial effects: the utility model provides a connecting shaft for an isolating switch, wherein an insulating column is connected among a first electric control box, a second electric control box and a limiting box, the limiting box can limit the rotation angle of the insulating column, a knob or a press guide rod sleeved on the outer side of a transverse plate can be rotated to realize manual on-off of a switch, and the first electromagnet and the second electromagnet are controlled to be respectively electrified, so that the on-off of the switch can be controlled remotely, the on-site opening is not needed, the circuit maintenance flow is greatly facilitated, the operation safety is greatly improved, the use mode is flexible, the clamping condition cannot occur, and the life safety of electric engineering constructors can be effectively guaranteed.

Drawings

FIG. 1 is an external view of a connecting shaft for a disconnecting switch according to the present invention;

FIG. 2 is a sectional view of a first electrical control box of a connecting shaft for an isolating switch according to the present invention;

FIG. 3 is a sectional view of a second electrical control box of the connecting shaft for the disconnecting switch according to the present invention;

fig. 4 is a schematic structural diagram of an insulating column in a connecting shaft for an isolating switch according to the utility model.

Reference numbers in the figures: 1. an insulating column; 101. a transverse plate; 102. a conductive post; 2. a first electrical control box; 3. a second electronic control box; 4. a limiting box; 401. an arc-shaped slot; 5. a self-resetting mechanism; 501. a gear; 502. a rack; 503. a magnetic block; 504. a first spring; 505. a first electromagnet; 6. a locking mechanism; 601. a locking ring; 602. inserting holes; 603. a lock lever; 604. a guide bar; 605. a slide plate; 606. a second spring; 607. a second electromagnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the embodiment, as shown in fig. 1 to 4, the connecting shaft for the disconnecting switch comprises an insulating column 1, wherein the insulating column 1 sequentially penetrates through a first electric control box 2, a second electric control box 3 and a limiting box 4, the first electric control box 2, the second electric control box 3 and the limiting box 4 are fixedly connected with a shell of the disconnecting switch, a self-resetting mechanism 5 is installed in the first electric control box 2, and a locking mechanism 6 is installed in the second electric control box 3, wherein the self-resetting mechanism 5 and the locking mechanism 6 jointly control the insulating column 1 to change a deflection state, manual and remote control can be achieved, the flow of circuit maintenance is greatly facilitated, the operation safety is greatly improved, the using mode is flexible, the blocking condition cannot occur, and the life safety of electric engineering constructors can be effectively guaranteed.

The self-resetting mechanism 5 comprises a gear 501, the gear 501 is fixedly connected to the part, located in the first electric control box 2, of the insulating column 1, a rack 502 is connected to the meshing of the gear 501, the rack 502 is slidably embedded between two side walls of the first electric control box 2, a magnetic block 503 is fixedly embedded on the lower side of the rack 502, a first spring 504 is fixedly connected to one side of the magnetic block 503, a first electromagnet 505 is fixedly connected to the other end of the first spring 504, the first electromagnet 505 is fixedly mounted on the inner wall of the first electric control box 2, the gear 501 is meshed with the rack 502, and the rotary motion of the insulating column 1 can be converted into linear motion.

The locking mechanism 6 comprises a locking ring 601, the locking ring 601 is fixedly connected to the part, located in the second electric control box 3, of the insulating column 1, an insertion hole 602 is formed in the outer wall of the locking ring 601, a locking rod 603 is embedded in the insertion hole 602, a guide rod 604 is fixedly connected to one side of the locking rod 603, the top end of the guide rod 604 penetrates out of the second electric control box 3 and the isolating switch shell, the guide rod 604 is pressed, the sliding plate 605 descends, and the sliding plate 605 drives the sliding plate 605 to draw out the insertion hole 602, so that manual power off can be achieved.

A sliding plate 605 is fixedly connected between the locking rod 603 and the guide rod 604, a second spring 606 is fixedly connected between the sliding plate 605 and the inner wall of the second electronic control box 3, a second electromagnet 607 is installed in the second spring 606 and on the inner wall of the second electronic control box 3, a magnetic conductive metal block is embedded in the sliding plate 605, and the second spring 606 is used for pushing the sliding plate 605 to slide upwards, so that the locking rod 603 can be inserted into the insertion hole 602.

The insulating column comprises an insulating column 1, and is characterized in that a transverse plate 101 is fixedly connected to the front end face of the insulating column 1, a conductive column 102 is fixedly embedded in the rear end of the insulating column 1, the conductive column 102 is of an L-shaped structure, two ends of the conductive column 102 penetrate out of the insulating column 1, and the insulating column 1 is made of plastic materials and cannot cause electric shock accidents.

Wherein, be provided with arc wall 401 in the spacing box 4, one side of arc wall 401 is provided with the metal and connects the electric piece, and the metal connects the electric piece to pass through the external consumer of wire, be provided with the one end of leading electrical pillar 102 in the arc wall 401, the one end of leading electrical pillar 102 corresponds the setting with the metal and connects the electric piece, the other end and the swivelling joint ware electricity of leading electrical pillar 102 are connected, and when leading electrical pillar 102 and the contact of metal connection piece, then can control switch and connect the electricity, otherwise, then realize the outage.

The working principle is as follows: when the manual operation is performed, a knob inserted and screwed on the outer side of the transverse plate 101 is screwed to drive the insulating column 1 to rotate, the insulating column 1 can drive the gear 501 to rotate, the gear 501 is meshed with the rack 502 to slide in a one-way manner, the rack 502 drives the magnetic block 503 to extrude the first spring 504, meanwhile, the insertion hole 602 of the locking ring 601 rotates to be opposite to the locking rod 603, under the action of the elastic force of the second spring 606, the locking rod 603 can be inserted into the insertion hole 602, the deflection direction of the insulating column 1 can be positioned, synchronously, when the insulating column 1 rotates, the conductive column 102 rotates from one end of the arc-shaped groove 401 to the other end, so that the conductive column 102 can contact a metal electric connecting sheet, electric equipment and a corresponding rotary connector can be electrically connected, the circuit can be ensured to be smooth, otherwise, the external force is removed, the guide rod 604 is pressed, the sliding plate 605 descends, the sliding plate 605 drives the sliding plate 605 to be drawn out of the insertion hole 602, under the action of the elastic force of the first spring 504, the rack 502 is reversely meshed with the gear 501, so that the insulating column 1 can be reversed, the conductive column 102 is separated from the metal electric connecting piece, the switch can be closed, when the switch is operated remotely, the first electromagnet 505 is electrified to generate a magnetic field, the magnetic block 503 can be adsorbed to compress the first spring 504 until the locking rod 603 is inserted into the insertion hole 602, the deflection direction of the insulating column 1 can be positioned, the second electromagnet 607 is electrified to generate a magnetic field, the sliding plate 605 can be adsorbed to descend to press the second spring 606, and therefore under the action of the elastic force of the second spring 606, the insulating column 1 can be reversed, the conductive column 102 is separated from the metal electric connecting piece, and the switch can be closed.

Claims

1. The utility model provides a connecting axle for isolator, includes insulated column (1), its characterized in that, insulated column (1) runs through first automatically controlled box (2), the automatically controlled box of second (3) and spacing box (4) in proper order, just first automatically controlled box (2), the automatically controlled box of second (3) and spacing box (4) all with isolator casing fixed connection, install in first automatically controlled box (2) from canceling release mechanical system (5), install locking mechanism (6) in the automatically controlled box of second (3), wherein, from canceling release mechanical system (5) and locking mechanism (6) common control insulated column (1) change the state of deflecting.

2. The connecting shaft for the disconnecting switch according to claim 1, wherein the self-resetting mechanism (5) comprises a gear (501), the gear (501) is fixedly connected to a portion, located in the first electronic control box (2), of the insulating column (1), a rack (502) is connected to the gear (501) in a meshed mode, the rack (502) is embedded between two side walls of the first electronic control box (2) in a sliding mode, a magnetic block (503) is fixedly embedded on the lower side of the rack (502), a first spring (504) is fixedly connected to one side of the magnetic block (503), a first electromagnet (505) is fixedly connected to the other end of the first spring (504), and the first electromagnet (505) is fixedly installed on the inner wall of the first electronic control box (2).

3. The connecting shaft for the disconnecting switch according to claim 1, wherein the locking mechanism (6) comprises a locking ring (601), the locking ring (601) is fixedly connected to a portion, located in the second electronic control box (3), of the insulating column (1), an insertion hole (602) is formed in the outer wall of the locking ring (601), a locking rod (603) is embedded in the insertion hole (602), a guide rod (604) is fixedly connected to one side of the locking rod (603), and the top end of the guide rod (604) penetrates through the second electronic control box (3) and the disconnecting switch shell.

4. The connecting shaft for the disconnecting switch according to claim 3, wherein a sliding plate (605) is fixedly connected between the locking rod (603) and the guide rod (604), a second spring (606) is fixedly connected between the sliding plate (605) and the inner wall of the second electronic control box (3), a second electromagnet (607) is installed in the second spring (606) and positioned on the inner wall of the second electronic control box (3), and a magnetic conductive metal block is embedded in the sliding plate (605).

5. The connecting shaft for the disconnecting switch according to claim 1, wherein a transverse plate (101) is fixedly connected to a front end face of the insulating column (1), a conductive column (102) is fixedly embedded at a rear end of the insulating column (1), the conductive column (102) is of an "L" type structure, and two ends of the conductive column (102) penetrate through the insulating column (1).

6. The connecting shaft for the disconnecting switch according to claim 1, wherein an arc-shaped groove (401) is formed in the limiting box (4), a metal electric connection piece is arranged on one side of the arc-shaped groove (401) and is externally connected with an electric device through a conducting wire, one end of the conductive column (102) is arranged in the arc-shaped groove (401), one end of the conductive column (102) corresponds to the metal electric connection piece, and the other end of the conductive column (102) is electrically connected with a rotary connector.