CN223462155U

CN223462155U - A closing mechanism for arc-proof high-voltage switch

Info

Publication number: CN223462155U
Application number: CN202422980822.2U
Authority: CN
Inventors: 杨彬彬; 岳程妮; 何彩芹; 岳长权
Original assignee: Shaanxi Xikai Zhiyuan Engineering Technology Co ltd
Current assignee: Shaanxi Xikai Zhiyuan Engineering Technology Co ltd
Priority date: 2024-12-04
Filing date: 2024-12-04
Publication date: 2025-10-21
Anticipated expiration: 2034-12-04

Abstract

The utility model relates to the technical field of high-voltage switch closing mechanisms and discloses an arc-preventing high-voltage switch closing mechanism which comprises a mounting frame, wherein three first insulators are fixedly connected to the left side face of the mounting frame, an arc extinguishing mechanism is arranged on the left side of the mounting frame, the arc extinguishing mechanism comprises three supporting plates, the three supporting plates are all arranged on the left side of the mounting frame, two fixing plates are fixedly connected to the bottom face of each supporting plate, the right side face of each fixing plate is fixedly connected with the left side face of the mounting frame, three second insulators are fixedly connected to the left side face of the mounting frame, a conductive clamping seat is fixedly connected to the left end of each second insulator, and a ceramic seat is fixedly connected to the outer surface of each second insulator. The closing mechanism of the arc-proof high-voltage switch plays a role in better preventing the generation of an arc when the closing mechanism of the high-voltage switch is closed, reducing the damage of electric devices of the high-voltage switch caused by the arc and increasing the use safety of the closing mechanism of the high-voltage switch.

Description

Closing mechanism of arc-proof high-voltage switch

Technical Field

The utility model relates to the technical field of high-voltage switch closing mechanisms, in particular to a closing mechanism of an arc-proof high-voltage switch.

Background

The high-voltage switch is an electric appliance with rated voltage of 3kV and above and mainly used for switching on and off a conductive loop, when the high-voltage switch is in a conducting state, a circuit can be closed, current flowing through the high-voltage switch can provide certain power or signals to the outside, when the high-voltage switch is in an disconnecting state, the circuit cannot be conducted, the current cannot flow any more, the high-voltage switch plays an important role, and the working condition of an electric appliance system can be accurately controlled.

The utility model with the prior authorization bulletin number of CN212783204U discloses a high-voltage switch, a high-voltage switch main body, a base is fixedly arranged at the bottom of the high-voltage switch, a mounting mechanism is arranged on the side face of the base, and the mounting mechanism comprises a mounting block, a spring groove, a spring, a protection block, a side block, a positioning groove and a positioning column.

By adopting the technical scheme, the protection performance of the bolt is high, the corrosion of the bolt caused by the environmental problems such as rainwater can be reduced, and the protection block is convenient to control, so that the bolt can be conveniently detached, and the safety of the high-voltage switch main body is high when the high-voltage switch main body is installed and fixed outdoors, but the technical scheme is that the closing mechanism of the high-voltage switch is high in use, because the high-voltage switch carries stronger current, the high-voltage switch closing mechanism can generate larger electric arcs when being closed due to the stronger current, and the high-voltage switch closing mechanism can not better prevent the electric arcs when being closed, so that the electric arcs can seriously damage other parts on the high-voltage switch, and the use safety of the high-voltage switch closing mechanism is greatly influenced.

Accordingly, a person skilled in the art provides a closing mechanism of an arc-proof high voltage switch to solve the above-mentioned problems in the background art.

Disclosure of utility model

The utility model aims to provide a closing mechanism of an arc-resistant high-voltage switch, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The closing mechanism of the arc-proof high-voltage switch comprises a mounting frame, wherein the left side surface of the mounting frame is fixedly connected with three first insulators, and the left side of the mounting frame is provided with an arc extinguishing mechanism;

The arc extinguishing mechanism comprises three supporting plates, wherein the three supporting plates are arranged on the left side of the mounting frame, the bottom surface of each supporting plate is fixedly connected with two fixing plates, the right side surface of each fixing plate is fixedly connected with the left side surface of the mounting frame, the left side surface of the mounting frame is fixedly connected with three second insulators, the left end of each second insulator is fixedly connected with a conductive clamping seat, the outer surface of each second insulator is fixedly connected with a ceramic seat, the inside of each conductive clamping seat is clamped with a conductive clamping block, the left end of each first insulator is movably hinged with a clamping frame, each conductive clamping block is clamped inside the clamping frame, the outer surface of each clamping frame is fixedly connected with a ceramic cover, each ceramic cover is sleeved outside the ceramic seat, the front and the back of each supporting plate are fixedly connected with connecting plates, one side surface of each connecting plate, which is close to each other, is fixedly connected with compression springs, the number of each connecting plate is two, the other end of each compression spring is fixedly connected with a ceramic sleeve, the bottom surface of each ceramic sleeve is contacted with the upper surface of the supporting plate, the upper surface of each supporting plate is provided with a sliding groove, the inside of each sliding groove is slidably connected with a sliding column, the top end of each sliding column is fixedly connected with the bottom surface of the ceramic sleeve, the outer surface of each sliding column is slidably connected with a connecting rod, the other end of each connecting rod is rotatably connected with a movable seat, the number of each connecting rod is two, the inside of each movable seat is rotatably connected with a rotating rod, the outer surface of each rotating rod is contacted with the right side surface of the clamping frame.

As a still further proposal of the utility model, the front and the back of the mounting frame are fixedly connected with a plurality of positioning plates, and the left side surfaces of the positioning plates are provided with positioning holes.

As a still further scheme of the utility model, the left side surface of the mounting frame is fixedly connected with three third insulators, and the left end of each third insulator is fixedly connected with a high-voltage fuse.

As a still further proposal of the utility model, the inner bottom wall of each ceramic seat is fixedly connected with a ceramic sealing frame, and the outer surface of each ceramic sealing frame is contacted with the inner wall of the ceramic cover.

As a still further proposal of the utility model, one side surface of each group of connecting plates, which is close to each other, is fixedly connected with a reinforcing block, and the bottom surface of each reinforcing block is fixedly connected with the upper surface of the supporting plate.

As a still further proposal of the utility model, the upper surface of each supporting plate is connected with two auxiliary blocks in a sliding way, and the upper surface of each auxiliary block is fixedly connected with the bottom surface of the ceramic sleeve.

As a still further proposal of the utility model, the upper surface of each movable seat is fixedly connected with a sliding strip, and each sliding strip is in sliding connection with the bottom surface of the supporting plate.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the arc extinguishing mechanism is arranged, so that the clamping positions of the conductive clamping blocks and the conductive clamping seats can be covered by the ceramic cover, the conductive clamping blocks and the conductive clamping seats can be effectively restrained from leaking by utilizing the good arc extinguishing performance of the ceramic cover when being clamped, and when the conductive clamping blocks and the conductive clamping seats are separated, the connection between the conductive clamping blocks and the conductive clamping seats can be quickly cut off by combining the two ceramic sleeves, so that the electric arc generated when the conductive clamping blocks and the conductive clamping seats are separated can be quickly extinguished, and the effects of better preventing the electric arc from being generated when the high-voltage switch closing mechanism is closed, reducing the damage to high-voltage switch electric devices caused by the electric arc and improving the use safety of the high-voltage switch closing mechanism are achieved.

Drawings

FIG. 1 is a schematic diagram of a closing mechanism of an arc-proof high voltage switch;

fig. 2 is a schematic perspective view of a second insulator in a closing mechanism of an arc-proof high voltage switch;

FIG. 3 is a schematic perspective view of a support plate in a closing mechanism of an arc-proof high voltage switch;

FIG. 4 is a schematic view of a three-dimensional structure of a clamping frame in a closing mechanism of an arc-proof high-voltage switch;

fig. 5 is a schematic perspective view of a movable seat in a closing mechanism of an arc-proof high-voltage switch.

The device comprises a mounting frame 1, a first insulator 2, an arc extinguishing mechanism 3, a supporting plate 302, a fixing plate 303, a second insulator 304, a conductive clamping seat 305, a ceramic seat 306, a conductive clamping block 307, a clamping frame 308, a ceramic cover 309, a connecting plate 310, a compression spring 311, a ceramic sleeve 312, a sliding groove 313, a sliding column 314, a connecting rod 315, a moving seat 316, a rotating rod 4, a locating plate 5, a locating hole 6, a third insulator 7, a high-voltage fuse 8, a ceramic sealing frame 9, a reinforcing block 10, an auxiliary block 11 and a sliding strip.

Detailed Description

Referring to fig. 1-5, a closing mechanism of arc-proof high voltage switch comprises a mounting rack 1, wherein three first insulators 2 are fixedly connected to the left side surface of the mounting rack 1, an arc extinguishing mechanism 3 is arranged on the left side of the mounting rack 1, a plurality of positioning plates 4 are fixedly connected to the front surface and the back surface of the mounting rack 1, positioning holes 5 are formed in the left side surface of each of the plurality of positioning plates 4, the positioning plates 4 are matched with fixing pieces such as the positioning holes 5 and bolts, and the mounting rack 1 can be fixed at a working position, so that the installation convenience and firmness of the mounting rack 1 are improved.

The arc extinguishing mechanism 3 includes three backup pad 301, and three backup pad 301 all sets up in the left side of mounting bracket 1, and the equal fixedly connected with of bottom surface of every backup pad 301 is two fixed plate 302, and the right flank of every fixed plate 302 all is fixedly connected with the left surface of mounting bracket 1, and the left surface fixedly connected with of mounting bracket 1 is three third insulator 6, and the equal fixedly connected with high-voltage fuse 7 in the left end of every third insulator 6, through the cooperation of third insulator 6 high-voltage fuse 7, can guarantee the normal clear of high-voltage switch circuit breaking protection work.

The left side fixedly connected with three second insulators 303 of mounting bracket 1, the left end of every second insulator 303 all fixedly connected with electrically conductive cassette 304, the surface of every second insulator 303 all fixedly connected with ceramic seat 305, the inside of every electrically conductive cassette 304 all joint has electrically conductive fixture block 306, the left end of every first insulator 2 all activity articulates has joint frame 307, every electrically conductive fixture block 306 all the joint is in the inside of joint frame 307, the surface of every joint frame 307 all fixedly connected with ceramic cover 308, every ceramic cover 308 all overlaps the outside at ceramic seat 305, the interior bottom wall of every ceramic seat 305 all fixedly connected with ceramic seal frame 8, the surface of every ceramic seal frame 8 all contacts with the inner wall of ceramic cover 308, ceramic seal frame 8 can further seal the gap between ceramic seat 305 and the ceramic cover 308 for the arc extinguishing effect of ceramic cover 308 is more superior.

The front and the back of every backup pad 301 all fixedly connected with connecting plate 309, the equal fixedly connected with compression spring 310 of a side that three sets of connecting plates 309 are close to each other, the quantity of every connecting plate 309 is two, the equal fixedly connected with reinforcing block 9 of a side that every connecting plate 309 is close to each other, the bottom surface of every reinforcing block 9 all is connected with the last fixed surface of backup pad 301, reinforcing block 9 can increase the connection firmness of connecting plate 309 and backup pad 301, let be difficult for appearing not hard up between connecting plate 309 and the backup pad 301, the bearing strength of connecting plate 309 has been improved.

The other end of each compression spring 310 is fixedly connected with a ceramic sleeve 311, the bottom surface of each ceramic sleeve 311 is in contact with the upper surface of each supporting plate 301, a sliding groove 312 is formed in the upper surface of each supporting plate 301, sliding columns 313 are slidably connected in the inner parts of each sliding groove 312, the top ends of each sliding columns 313 are fixedly connected with the bottom surface of each ceramic sleeve 311, two auxiliary blocks 10 are slidably connected to the upper surface of each supporting plate 301, the upper surface of each auxiliary block 10 is fixedly connected with the bottom surface of each ceramic sleeve 311, the auxiliary blocks 10 are used for sliding in the supporting plates 301, the sliding stability of the ceramic sleeves 311 can be improved, and the sliding of the ceramic sleeves 311 is more stable and reliable.

The surface of every sliding column 313 all sliding connection has connecting rod 314, the other end of every group connecting rod 314 all rotates and is connected with movable seat 315, the quantity of every group connecting rod 314 is two, the inside of every movable seat 315 all rotates and is connected with dwang 316, the surface of every dwang 316 all contacts with the right flank of joint frame 307, the upper surface of every movable seat 315 all fixedly connected with slider 11, every slider 11 all with the bottom surface sliding connection of backup pad 301, slider 11 can prevent to remove seat 315 and take place excessive rocking when not influencing movable seat 315 smooth movement, the result of use of movable seat 315 has been guaranteed.

The working principle of the utility model is that when the conductive clamping block 306 is required to be separated from the conductive clamping seat 304, the clamping frame 307 is pulled to forcedly pull the conductive clamping block 306 out of the conductive clamping seat 304, when the conductive clamping block 306 is required to be separated from the conductive clamping seat 304, an arc is generated between the conductive clamping block 306 and the conductive clamping seat 304, but when the clamping frame 307 swings leftwards along the hinging point of the first insulator 2, the clamping frame 307 loses the pressure on the rotating rod 316 and the moving seat 315, at the moment, the elastic force provided by the compression spring 310 is matched with the connecting plate 309, the two ceramic sleeves 311 are pushed to be mutually close to and contacted with each other under the assistance of the sliding groove 312 and the sliding column 313, the conductive clamping seat 304 is matched with the ceramic seat 305 and the ceramic sealing frame 8 to be completely covered, meanwhile, the arc between the conductive clamping block 306 and the conductive clamping seat 304 is cut off, when the conductive clamping frame 306 is required to be clamped into the conductive clamping seat 304 to be electrified, when the clamping frame 307 swings reversely, the clamping frame 307 is firstly contacted with the rotating rod 316, the rotating seat 315 is pushed to move rightwards, the moving seat 315 is pushed to move rightwards by the rotating rod 315, when the rotating rod 315 moves rightwards, the sliding seat 314 is pushed to be separated from the conductive clamping seat 306, the conductive clamping seat 306 is compressed to be mutually, the conductive clamping seat 304 is compressed by the conductive clamping seat 306, and the conductive clamping seat 304 is further, the conductive clamping seat 304 is compressed, the conductive clamping seat 304 is tightly, and the conductive clamping seat 304 is compressed, the conductive clamping seat 306 is compressed, the conductive clamping seat 304 is tightly, and the conductive clamping seat 304 is mutually, the conductive clamping seat 304, and the conductive clamping seat is tightly, the conductive clamping seat 304, and the conductive clamping seat, and the conductive clamp seat 306, and the electric device. The electric arc in the clamping process of the conductive clamping block 306 and the conductive clamping seat 304 is not easy to leak outwards too much, so that the electric arc can be better prevented from being generated when the high-voltage switch closing mechanism is closed, the damage to the high-voltage switch electric device caused by the electric arc is reduced, and the use safety of the high-voltage switch closing mechanism is greatly improved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The closing mechanism of the arc-proof high-voltage switch comprises a mounting frame (1) and is characterized in that three first insulators (2) are fixedly connected to the left side surface of the mounting frame (1), and an arc extinguishing mechanism (3) is arranged on the left side of the mounting frame (1);

The arc extinguishing mechanism (3) comprises three supporting plates (301), the three supporting plates (301) are all arranged on the left side of the installation frame (1), the bottom surface of each supporting plate (301) is fixedly connected with two fixing plates (302), the right side surface of each fixing plate (302) is fixedly connected with the left side surface of the installation frame (1), the left side surface of the installation frame (1) is fixedly connected with three second insulators (303), the left end of each second insulator (303) is fixedly connected with a conductive clamping seat (304), the outer surface of each second insulator (303) is fixedly connected with a ceramic seat (305), the inner part of each conductive clamping seat (304) is fixedly clamped with a conductive clamping block (306), the left end of each first insulator (2) is movably hinged with a clamping frame (307), each conductive clamping block (306) is fixedly clamped in the inner part of the clamping frame (307), the outer surface of each clamping frame (307) is fixedly connected with a ceramic cover (308), the outer surfaces of each clamping frame (307) are fixedly connected with a ceramic cover (308), the two groups of the ceramic covers (309) are fixedly connected with the outer surfaces of each connecting plates (309), the two groups of the ceramic covers (309) are fixedly connected with each other, every compression spring (310)'s the equal fixedly connected with pottery cover (311), every the bottom surface of pottery cover (311) all contacts with the upper surface of backup pad (301), every sliding tray (312) have all been seted up to the upper surface of backup pad (301), every sliding tray (312) inside all sliding connection has slide column (313), every slide column (313) top all with the bottom surface fixed connection of pottery cover (311), every slide column (313) surface all sliding connection has connecting rod (314), every other end of connecting rod (314) all rotates and is connected with movable seat (315), every group the quantity of connecting rod (314) is two, every the inside of movable seat (315) all rotates and is connected with dwang (316), every dwang (316) the surface all contacts with the right flank of joint frame (307).

2. The closing mechanism of the arc-preventing high-voltage switch of claim 1, wherein a plurality of positioning plates (4) are fixedly connected to the front surface and the back surface of the mounting frame (1), and positioning holes (5) are formed in the left side surfaces of the positioning plates (4).

3. The closing mechanism of an arc-proof high-voltage switch according to claim 1, wherein three third insulators (6) are fixedly connected to the left side face of the mounting frame (1), and a high-voltage fuse (7) is fixedly connected to the left end of each third insulator (6).

4. The closing mechanism of an arc-proof high voltage switch of claim 1, wherein each inner bottom wall of said ceramic base (305) is fixedly connected with a ceramic sealing frame (8), and an outer surface of each ceramic sealing frame (8) is in contact with an inner wall of a ceramic cover (308).

5. The closing mechanism of an arc-proof high voltage switch as claimed in claim 1, wherein a reinforcing block (9) is fixedly connected to a side surface of each group of the connecting plates (309) which is close to each other, and a bottom surface of each reinforcing block (9) is fixedly connected to an upper surface of the supporting plate (301).

6. The closing mechanism of an arc-proof high voltage switch as claimed in claim 1, wherein the upper surface of each supporting plate (301) is slidably connected with two auxiliary blocks (10), and the upper surface of each auxiliary block (10) is fixedly connected with the bottom surface of the ceramic sleeve (311).

7. The closing mechanism of an arc-proof high voltage switch as claimed in claim 1, wherein a sliding bar (11) is fixedly connected to the upper surface of each movable seat (315), and each sliding bar (11) is slidably connected to the bottom surface of the supporting plate (301).