CN211929994U

CN211929994U - Automatic power supply conversion device of high-voltage circuit breaker

Info

Publication number: CN211929994U
Application number: CN202020326089.1U
Authority: CN
Inventors: 芦宇峰; 陈显富; 苏毅; 梁兆庭; 陆一凡
Original assignee: Electric Power Research Institute of Guangxi Power Grid Co Ltd
Current assignee: Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-13
Anticipated expiration: 2030-03-16

Abstract

The utility model belongs to the conversion equipment field, especially, high voltage circuit breaker power automatic switching device, to the problem that current switching device is not convenient for carry out dismouting and maintenance to power automatic switching device, the following scheme is put forward now, and it includes circuit breaker machine case and the switching device body that is located circuit breaker machine incasement, circuit breaker machine incasement fixed mounting has the baffle, and one side fixed mounting of baffle has the circuit breaker, and insulating box has been placed to the opposite side of baffle, and the switching device body is installed in insulating box, and insulating box movable mounting is at circuit breaker machine incasement, and the constant head tank that two symmetries set up is seted up to the opposite side of baffle, and one side fixed mounting of insulating box has the positioning seat that two symmetries set up, and positioning seat and the. The utility model relates to a rationally, be convenient for carry out fixed mounting to insulating box, be convenient for carry out the dismouting to the conversion device body to be convenient for maintain the conversion device body.

Description

Automatic power supply conversion device of high-voltage circuit breaker

Technical Field

The utility model relates to a conversion equipment technical field especially relates to a high voltage circuit breaker power automatic switching device.

Background

The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system has a fault, and has quite perfect arc extinguishing structure and enough current breaking capacity, and can be divided into: the automatic power switching device comprises an oil circuit breaker (a multi-oil circuit breaker and a few-oil circuit breaker), a sulfur hexafluoride circuit breaker (SF6 circuit breaker), a compressed air circuit breaker, a vacuum circuit breaker and the like, wherein the operation safety of the automatic power switching device in the conventional high-voltage circuit breaker is not high enough, and when the automatic power switching device needs to be maintained, the automatic power switching device is relatively troublesome to disassemble and assemble, so that the automatic power switching device is inconvenient to disassemble, assemble and maintain, and therefore the automatic power switching device for the high-voltage circuit breaker is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has to be not convenient for carry out dismouting and maintenance to power automatic switching device among the prior art, and the high voltage circuit breaker power automatic switching device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-voltage circuit breaker power supply automatic conversion device comprises a circuit breaker case and a conversion device body positioned in the circuit breaker case, wherein a partition plate is fixedly arranged in the circuit breaker case, a circuit breaker is fixedly arranged on one side of the partition plate, an insulating case body is placed on the other side of the partition plate, the conversion device body is arranged in the insulating case body, the insulating case body is movably arranged in the circuit breaker case, two symmetrically-arranged positioning grooves are formed in the other side of the partition plate, two symmetrically-arranged positioning seats are fixedly arranged on one side of the insulating case body, the positioning seats are matched with the corresponding positioning grooves, U-shaped clamping seats are slidably arranged on the inner wall of the top and the inner wall of the bottom of the circuit breaker case respectively, the U-shaped clamping seats are matched with the insulating case body, moving grooves are formed in the inner wall of the top and the inner wall of the bottom of, the movable seat is fixedly installed on the corresponding U-shaped clamping seat, two first grooves symmetrically arranged are formed in the inner wall of one side of the breaker case, the movable plates are slidably installed in the first grooves, one ends of connecting rods are arranged on the movable plates at intervals, the other ends of the connecting rods are hinged on the U-shaped clamping seat, the top of one of the two movable plates is rotated to install a rotating rod, threaded grooves are formed in the top ends of the rotating rods, one ends of threaded rods are installed in the threaded grooves in a threaded mode, and the other ends of the threaded rods are fixedly installed on the other movable plate in the two movable.

Preferably, the same stabilizer bar is fixedly installed on the inner walls of the two sides of the moving groove, and the moving seat is sleeved on the stabilizer bar in a sliding manner.

Preferably, the inner walls of the two sides of the first groove are provided with limiting grooves, the two sides of the movable plate are fixedly provided with limiting seats, and the limiting seats are connected with the corresponding limiting grooves in a sliding mode.

Preferably, a rotating groove is formed in the top of one of the two moving plates, the rotating rod is rotatably connected with the rotating groove, and the rotating rod can stably move due to the fact that the rotating groove is formed.

Preferably, an insulating pad is fixedly mounted on one side of the U-shaped clamping seat and is matched with the insulating box body.

In the utility model, when the switching device body is installed, firstly the insulation box body is placed in the breaker case, and the positioning seat is clamped into the corresponding positioning groove, so that the insulation box body can be positioned, then the rotating rod is rotated, the rotating rod can move the threaded rod under the action of the threaded groove, the moving rod can be extruded to move the moving plate, the two moving plates move towards the direction away from each other, the moving of the moving plate can drive the connecting rod to move, the connecting rod can drive the U-shaped clamping seat to move, and the U-shaped clamping seat can be stably moved under the action of the moving seat and the moving groove, the U-shaped clamping seat can extrude and fix the insulating box body by moving, so that the insulating box body can be installed and fixed.

The utility model relates to a rationally, be convenient for carry out fixed mounting to insulating box, be convenient for carry out the dismouting to the conversion device body to be convenient for maintain the conversion device body.

Drawings

Fig. 1 is a schematic structural view of an automatic power conversion device for a high-voltage circuit breaker according to the present invention;

fig. 2 is a schematic structural diagram of a part a of an automatic power switching device for a high-voltage circuit breaker according to the present invention;

fig. 3 is the utility model provides a three-dimensional structure schematic diagram of the U-shaped cassette of high voltage circuit breaker power automatic switching device.

In the figure: 1. a circuit breaker cabinet; 2. a partition plate; 3. a circuit breaker; 4. an insulating box body; 5. a conversion device body; 6. a rain shelter; 7. a U-shaped card holder; 8. a moving groove; 9. a movable seat; 10. a stabilizer bar; 11. a first groove; 12. moving the plate; 13. a connecting rod; 14. rotating the rod; 15. a thread groove; 16. a threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an automatic power conversion device for a high-voltage circuit breaker comprises a circuit breaker case 1 and a conversion device body 5 positioned in the circuit breaker case 1, wherein a partition plate 2 is fixedly arranged in the circuit breaker case 1, a circuit breaker 3 is fixedly arranged on one side of the partition plate 2, an insulating case 4 is arranged on the other side of the partition plate 2, the conversion device body 5 is arranged in the insulating case 4, the insulating case 4 is movably arranged in the circuit breaker case 1, two symmetrically arranged positioning grooves are formed in the other side of the partition plate 2, two symmetrically arranged positioning seats are fixedly arranged on one side of the insulating case 4 and are matched with the corresponding positioning grooves, U-shaped clamping seats 7 are respectively and slidably arranged on the inner wall of the top and the inner wall of the bottom of the circuit breaker case 1, the U-shaped clamping seats 7 are matched with the insulating case 4, and moving grooves 8 are respectively formed on, sliding mounting has the removal seat 9 in the shifting chute 8, and remove

seat

9 and 8 sliding connection of corresponding shifting chute, remove seat 9 fixed mounting on the U-shaped cassette 7 that corresponds, set up the first groove 11 that two symmetries set up on one side inner wall of circuit breaker machine case 1, sliding mounting has movable plate 12 in the first groove 11, the interval has the one end of connecting rod 13 on the movable plate 12, the other end of connecting rod 13 articulates on U-shaped cassette 7, the dwang 14 is installed in the top rotation of one movable plate 12 among two movable plates 12, thread groove 15 has been seted up on the top of dwang 14, the one end of threaded rod 16 is installed to the screw thread inslot 15, the other end fixed mounting of threaded rod 16 is on another movable plate 12 among two movable plates 12.

The utility model discloses in, fixed mounting has same stabilizer bar 10 on the both sides inner wall of shifting chute 8, and removes 9 sliding sleeve of seat and establish on the stabilizer bar.

The utility model discloses in, all seted up the spacing groove on the both sides inner wall of first groove 11, the equal fixed mounting in both sides of movable plate 12 has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds.

The utility model discloses in, the rotation groove is seted up at the top of one movable plate 12 among two movable plates 12, and dwang 14 rotates with the rotation groove to be connected, owing to be provided with the rotation groove, can make dwang 14 carry out stable removal.

The utility model discloses in, one side fixed mounting of U-shaped cassette 7 has insulating the pad, and insulating pad and 4 looks adaptations of insulating box.

In the utility model, the insulation box body 4 can insulate the conversion device body 5, thereby improving the safety performance, when the conversion device body 5 is installed, the insulation box body 4 is firstly placed in the breaker case 1, and the positioning seat is clamped into the corresponding positioning groove, thereby the insulation box body 4 can be positioned, then the rotating rod 14 is rotated, the rotating rod 14 can move the threaded rod 16 under the action of the threaded groove 15, the moving rod 16 can move, the moving plate 12 can be extruded, the moving plate 12 can move, and the two moving plates 12 move towards the direction far away from each other, the moving plate 12 can drive the connecting rod 13 to move, the connecting rod 13 can drive the U-shaped clamping seat 7 to move, under the action of the moving seat 9 and the moving groove 8, the U-shaped clamping seat 7 can stably move, the movement of the U-shaped clamping seat 7 can extrude and fix the insulating box body 4, so that the insulating box body 4 can be installed and fixed, the insulating box body 4 can be conveniently and fixedly installed, the conversion device body 5 can be conveniently disassembled and assembled, the conversion device body 5 can be conveniently maintained, and the breaker case 1 can be protected due to the rain shelter 6.

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. A high-voltage circuit breaker power supply automatic conversion device comprises a circuit breaker case (1) and a conversion device body (5) positioned in the circuit breaker case (1), and is characterized in that a partition plate (2) is fixedly installed in the circuit breaker case (1), a circuit breaker (3) is fixedly installed on one side of the partition plate (2), an insulating case body (4) is placed on the other side of the partition plate (2), the conversion device body (5) is installed in the insulating case body (4), the insulating case body (4) is movably installed in the circuit breaker case (1), two symmetrically-arranged positioning grooves are formed in the other side of the partition plate (2), two symmetrically-arranged positioning seats are fixedly installed on one side of the insulating case body (4) and are matched with the corresponding positioning grooves, and U-shaped clamping seats (7) are slidably installed on the inner wall of the top and the inner wall of the bottom of the circuit breaker case, the U-shaped clamping seat (7) is matched with the insulating box body (4), moving grooves (8) are formed in the inner wall of the top and the inner wall of the bottom of the breaker case (1), moving seats (9) are arranged in the moving grooves (8) in a sliding mode, the moving seats (9) are connected with the corresponding moving grooves (8) in a sliding mode, the moving seats (9) are fixedly arranged on the corresponding U-shaped clamping seats (7), two first grooves (11) which are symmetrically arranged are formed in the inner wall of one side of the breaker case (1), moving plates (12) are arranged in the first grooves (11) in a sliding mode, one ends of connecting rods (13) are arranged on the moving plates (12) at intervals, the other ends of the connecting rods (13) are hinged to the U-shaped clamping seats (7), a rotating rod (14) is installed on the top of one moving plate (12) of the two moving plates (12) in a rotating mode, and, one end of a threaded rod (16) is spirally arranged in the threaded groove (15), and the other end of the threaded rod (16) is fixedly arranged on the other moving plate (12) of the two moving plates (12).

2. The automatic power switching device for the high-voltage circuit breaker according to claim 1, wherein the same stabilizer bar (10) is fixedly installed on the inner walls of the two sides of the moving groove (8), and the moving seat (9) is slidably sleeved on the stabilizer bar.

3. The automatic power switching device for the high-voltage circuit breaker according to claim 1, wherein the inner walls of the two sides of the first groove (11) are respectively provided with a limiting groove, the two sides of the moving plate (12) are respectively fixedly provided with a limiting seat, and the limiting seats are slidably connected with the corresponding limiting grooves.

4. The automatic power switching device for the high-voltage circuit breaker according to claim 1, wherein a rotating groove is formed at the top of one (12) of the two moving plates (12), and the rotating rod (14) is rotatably connected with the rotating groove.

5. The automatic power conversion device of the high-voltage circuit breaker according to claim 1, characterized in that an insulating pad is fixedly installed on one side of the U-shaped clamping seat (7), and the insulating pad is matched with the insulating box body (4).