CN216773126U

CN216773126U - High-voltage circuit breaker protection operating means

Info

Publication number: CN216773126U
Application number: CN202123389777.6U
Authority: CN
Inventors: 李澳洋; 张富强; 陈贺; 刘朝锋; 杜茂文
Original assignee: Henan Hongxin Lighting Electrical Engineering Co ltd
Current assignee: Henan Hongxin Lighting Electrical Engineering Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-17
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a high-voltage circuit breaker protection operation device, which relates to the technical field of high-voltage circuit breakers and comprises a box body, wherein the side wall of the box body is provided with four box doors sliding along the height direction of the box doors; the inside of tip joint to first draw-in groove through the cardboard is fixed with the chamber door, seals the circuit breaker to the box inside, when overhauing, makes the connecting axle by the inside slip entering mounting groove of first draw-in groove through adjusting driver part, drives the cardboard tip and removes and promote the slider and slide and compress the elasticity piece that resets along the mounting groove, finally makes the tip of cardboard break away from first draw-in groove and removes the fixed to the chamber door, can upwards promote the chamber door and make it rise along the U-shaped board and open.

Description

High-voltage circuit breaker protection operating means

Technical Field

The utility model relates to the technical field of high-voltage circuit breakers, in particular to a protection operating device of a high-voltage circuit breaker.

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: oil circuit breakers (multiple oil circuit breakers, less oil circuit breakers), sulfur hexafluoride circuit breakers (SF6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, etc.

A supporting mechanism is disclosed in chinese patent with publication No. CN210272207U, wherein a supporting plate is fixedly connected to the upper surface of the supporting mechanism, a protective cylinder is annularly clamped on the upper surface of the supporting plate, and the protective cylinder can rotate relative to a placing seat; a plurality of heat dissipation holes are formed in the peripheral wall of the protective cylinder in a penetrating manner, and an openable access door is embedded in the outer wall of the protective cylinder; the middle part of the upper surface of the supporting plate is connected with a placing seat, and a fixing mechanism for fixing the circuit breaker is arranged on the placing seat; the through wires hole is worn to be equipped with by the part that the backup pad is located a protection section of thick bamboo, and when using, a protection section of thick bamboo rotates in the backup pad, and then can change the orientation of access door for the maintainer can overhaul by a plurality of angles, and it is narrow and small to have avoided traditional circuit breaker protective case maintenance space, overhauls the inconvenient problem of operation, and simultaneously, a protection section of thick bamboo avoids the rainwater to corrode the circuit breaker, and the louvre can ensure the inside ventilation of a protection section of thick bamboo.

However, above-mentioned technical scheme still has following defect, and the fixed effect of protection section of thick bamboo and chamber door when overhauing is not good, and the vibrations that cause during overhaul of the equipments can lead to protection section of thick bamboo and chamber door to appear rocking or even rotating, causes the puzzlement for staff's maintenance operation, influences the maintenance efficiency of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective operation device for a high-voltage circuit breaker, and aims to solve the problems that in the prior art, a protective cylinder and a box door are poor in fixing effect during maintenance, and the protective cylinder and the box door shake or even rotate due to vibration caused during equipment maintenance.

In order to realize the purpose, the utility model adopts the following technical scheme: the high voltage circuit breaker protection operating means includes: the side wall of the box body is provided with four box doors which slide along the height direction of the box body, the side wall of each box door is provided with a U-shaped groove, a first clamping groove is formed in the U-shaped groove, a second clamping groove which is positioned below the first clamping groove is formed in the U-shaped groove, the side wall of the box body is fixedly connected with a U-shaped plate, the U-shaped plate is connected in the U-shaped groove in a sliding manner, a mounting groove which is positioned at one side of the first clamping groove is formed in the U-shaped plate, two clamping plates for positioning the box doors are arranged in the mounting groove, one end of each clamping plate is arranged in the first clamping groove, a connecting shaft which is positioned in the first clamping groove is rotatably connected between the end parts of the two clamping plates, a driving part which is used for driving the clamping plates to slide from the inside of the first clamping groove into the mounting groove is arranged at one side of the connecting shaft, and one end, which is far away from each other, of each clamping plate is rotatably connected with a sliding block, the slider sliding connection is in the inside of mounting groove, just be provided with the elasticity that is used for making the slider slip to reset between slider and the mounting groove and reset the piece.

In order to enable the box body to have a good effect of pulling the connecting shaft to slide, the further technical scheme is that the driving component is a pull rope which horizontally slides in the box body, one end of the pull rope extends to the outside of the box body, the other end of the pull rope is fixedly connected to the outer wall of the connecting shaft, the pull rope is perpendicular to the central shaft of the connecting shaft, and the end part of the pull rope is fixedly connected with a pull ring positioned outside the box body.

In order to enable the sliding block to have a better sliding reset effect, the elastic reset piece is a reset spring fixedly connected to the side wall of the sliding block, and one end, far away from the sliding block, of the reset spring is fixedly connected to the side wall of the mounting groove.

In order to enable the box door to be conveniently opened and closed and have a good heat dissipation effect, the box door further adopts the technical scheme that the side wall of the box door is fixedly connected with a connecting block, pull grooves are formed in the upper side wall and the lower side wall of the connecting block, and two heat dissipation plates are arranged on the side wall of the box door and are respectively positioned on the left side and the right side of the connecting block.

In order to enable the box door to have a good waterproof effect, the top of each box door is fixedly connected with a conical block, and the four conical blocks are mutually spliced to form a rectangular pyramid.

In order to enable the breaker to have a good effect of isolating the breaker from equipment, the further technical scheme of the breaker isolation box is that a supporting table for installing the breaker is fixedly connected to the inside of the box body, and the supporting table is made of rubber.

The utility model has the beneficial effects that:

1. when the box door is used, the box door is fixed by clamping the end part of the clamping plate to the inside of the first clamping groove, the breaker is sealed to the inside of the box body, when the box door is overhauled, the connecting shaft is enabled to slide from the inside of the first clamping groove into the inside of the mounting groove by adjusting the driving part, the end part of the clamping plate is driven to move and push the sliding block to slide along the mounting groove and compress the elastic resetting piece, finally, the end part of the clamping plate is separated from the first clamping groove to release the fixation of the box door, namely, the box door can be pushed upwards to be lifted and opened along the U-shaped plate, when the box door is completely opened, the second clamping groove is lifted to one side of the mounting groove along with the box door, the sliding block enables the resistance of the box door to be reset by the clamping plate, the sliding block is pushed by the elastic resetting piece to reset and move, the end part is clamped into the inside of the second clamping groove, the fixation of the box door can be automatically completed, the breaker in the box body can be overhauled by opening the box door in the corresponding direction, the circuit breaker is overhauled by different position that can be better, and chamber door slides when can avoiding overhauing effectively and causes the maintenance puzzlement to improve the efficiency of overhauing, strengthen the practicality of equipment.

2. When the high-voltage circuit breaker is used, the box door can be conveniently opened or closed through the connecting blocks and the pull grooves, the heat dissipation efficiency of the equipment can be effectively improved through the heat dissipation plate, the top of the box door can be better sealed through the rectangular pyramid formed by the four conical blocks, rainwater can better flow down from the top, the rainwater is prevented from permeating into the equipment due to the accumulated water on the top of the equipment, the high-voltage circuit breaker can be prevented from being directly contacted with the box body when being installed through the supporting table, rubber has better insulating property, the high-voltage circuit breaker can be prevented from being conducted to the box body when being damaged and leaked, and the safety of the equipment is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partial cross-sectional view of an embodiment of the present invention.

Fig. 3 is a schematic view illustrating an opened state of the door according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a box body according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of a card according to an embodiment of the present invention.

Figure 6 is a side view of a door of an exemplary embodiment of the present invention.

Fig. 7 is an enlarged schematic view of the utility model at a in fig. 2.

In the figure: 1. a box body; 2. a box door; 3. a U-shaped groove; 4. a first card slot; 5. a U-shaped plate; 6. mounting grooves; 7. clamping a plate; 8. a connecting shaft; 9. a slider; 10. pulling a rope; 11. a pull ring; 12. a return spring; 13. connecting blocks; 14. groove drawing; 15. a heat dissipation plate; 16. a conical block; 17. a second card slot; 18. and a support table.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 7, a high voltage circuit breaker protection operating device includes: the box body 1, the side wall of the box body 1 is provided with four box doors 2 sliding along the height direction, the side wall of the box door 2 is provided with a U-shaped groove 3, the inside of the U-shaped groove 3 is provided with a first clamping groove 4, the inside of the U-shaped groove 3 is provided with a second clamping groove 17 positioned below the first clamping groove 4, the side wall of the box body 1 is fixedly connected with a U-shaped plate 5, the U-shaped plate 5 is connected with the inside of the U-shaped groove 3 in a sliding manner, the inside of the U-shaped plate 5 is provided with a mounting groove 6 positioned at one side of the first clamping groove 4, the inside of the mounting groove 6 is provided with two clamping plates 7 used for positioning the box door 2, one end of the two clamping plates 7 is arranged inside the first clamping groove 4, a connecting shaft 8 positioned inside the first clamping groove 4 is rotatably connected between the end parts of the two clamping plates 7, one side of the connecting shaft 8 is provided with a driving part used for driving the box door to slide from the inside of the first clamping groove 4 to the mounting groove 6, the one end that two cardboard 7 kept away from each other all rotates and is connected with slider 9, and slider 9 sliding connection is in the inside of mounting groove 6, and is provided with the elasticity piece that resets that is used for making slider 9 slide and resets between slider 9 and the mounting groove 6.

In the embodiment, the box door 2 is fixed by clamping the end part of the clamping plate 7 to the inside of the first clamping groove 4, the circuit breaker is sealed to the inside of the box body 1, when the maintenance is carried out, the connecting shaft 8 is enabled to slide from the inside of the first clamping groove 4 into the inside of the mounting groove 6 by adjusting the driving part, the end part of the clamping plate 7 is driven to move and push the sliding block 9 to slide along the mounting groove 6 and compress the elastic resetting piece, finally the end part of the clamping plate 7 is enabled to be separated from the first clamping groove 4 to release the fixation on the box door 2, the box door 2 can be pushed upwards to be lifted and opened along the U-shaped plate 5, when the box door 2 is completely opened, the second clamping groove 17 is lifted to one side of the mounting groove 6 along the box door 2, the clamping plate 7 enables the resistance of the box door 2, the sliding block 9 is enabled to reset under the pushing of the elastic resetting piece, the clamping plate 7 is enabled to reset and move, the end part is clamped into the inside of the second clamping groove 17, and the fixation of the box door 2 is automatically completed, can overhaul the inside circuit breaker of box 1, through opening chamber door 2 that corresponds the direction, can be better overhaul the circuit breaker by different position, and chamber door 2 slides when can avoiding overhauing effectively and causes the maintenance puzzlement to improve the efficiency of overhauing, strengthen the practicality of equipment.

Specifically, drive unit is horizontal slip at the inside stay cord 10 of box 1, and the one end of stay cord 10 extends to the outside of box 1, and the other end fixed connection of stay cord 10 is at 8 outer walls of connecting axle, and the center pin setting of stay cord 10 perpendicular to connecting axle 8, through pulling stay cord 10 at the inside slip of box 1, better drive connecting axle 8 gets into mounting groove 6 by first draw-in groove 4.

Furthermore, a pull ring 11 located outside the box body 1 is fixedly connected to an end of the pull rope 10, and the pull rope 10 can be pulled to slide inside the box body 1 well through the pull ring 11.

Specifically, elasticity resets for fixed connection at the reset spring 12 of slider 9 lateral wall, and reset spring 12 keeps away from the one end fixed connection of slider 9 at the lateral wall of mounting groove 6, and the promotion slider 9 that can be better through reset spring 12 slides that resets, makes cardboard 7 reset.

Preferably, lateral wall fixedly connected with connecting block 13 of chamber door 2, pull groove 14 has all been seted up to the upper and lower both sides wall of connecting block 13, and the lateral wall of chamber door 2 is provided with two heating panels 15 that are located the connecting block 13 left and right sides respectively, through connecting block 13 and pull groove 14, can be comparatively convenient open or close chamber door 2, can effectual improve equipment's radiating efficiency through heating panel 15.

Preferably, the equal fixedly connected with toper piece 16 in top of four chamber doors 2, and four toper pieces 16 splice each other and form the rectangular pyramid, constitute the rectangular pyramid through four toper pieces 16, can be better seal the top of chamber door 2, and can make that the rainwater can be better flow down by the top, avoid the ponding at equipment top, lead to the rainwater to permeate to equipment inside.

Preferably, a supporting table 18 for installing the circuit breaker is fixedly connected to the inside of the box 1, and the high-voltage circuit breaker can be prevented from directly contacting the box 1 by the supporting table 18 when being installed, so that the safety of the equipment is improved.

Preferably, the support table 18 is made of rubber, and the rubber has good insulating property, so that the high-voltage circuit breaker can be prevented from being conducted to the box body 1 when being damaged and leaked, and the safety of the equipment is improved.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A high voltage circuit breaker protection operating device comprising: the box body (1), four box doors (2) sliding along the height direction of the box body (1) are arranged on the side wall of the box door (1), the box body is characterized in that a U-shaped groove (3) is formed in the side wall of the box door (2), a first clamping groove (4) is formed in the U-shaped groove (3), a second clamping groove (17) located below the first clamping groove (4) is formed in the U-shaped groove (3), a U-shaped plate (5) is fixedly connected to the side wall of the box body (1), the U-shaped plate (5) is connected to the inside of the U-shaped groove (3) in a sliding mode, a mounting groove (6) located on one side of the first clamping groove (4) is formed in the U-shaped plate (5), two clamping plates (7) used for positioning the box door (2) are arranged in the mounting groove (6), and one ends of the two clamping plates (7) are arranged in the first clamping groove (4), and two it is connected with connecting axle (8) that are located first draw-in groove (4) inside to rotate between the tip of cardboard (7), one side of connecting axle (8) is provided with and is used for driving it and gets into the inside driver part of mounting groove (6) by first draw-in groove (4) inside slip, two the one end that cardboard (7) kept away from each other all rotates and is connected with slider (9), slider (9) sliding connection is in the inside of mounting groove (6), just be provided with the elasticity piece that resets that is used for making slider (9) slide and reset between slider (9) and mounting groove (6).

2. The protection operating device for the high-voltage circuit breaker according to claim 1, wherein the driving component is a pulling rope (10) horizontally sliding inside the box body (1), one end of the pulling rope (10) extends to the outside of the box body (1), the other end of the pulling rope (10) is fixedly connected to the outer wall of the connecting shaft (8), and the pulling rope (10) is arranged perpendicular to the central axis of the connecting shaft (8).

3. The high voltage circuit breaker protection operating device according to claim 2, characterized in that a pull ring (11) located outside the tank (1) is fixedly connected to an end of the pull rope (10).

4. The protective operation device for the high-voltage circuit breaker according to claim 1, characterized in that the elastic reset member is a reset spring (12) fixedly connected to the side wall of the sliding block (9), and one end of the reset spring (12) far away from the sliding block (9) is fixedly connected to the side wall of the mounting groove (6).

5. The protection operating device for the high-voltage circuit breaker according to claim 1, wherein a connecting block (13) is fixedly connected to the side wall of the box door (2), pull grooves (14) are formed in the upper side wall and the lower side wall of the connecting block (13), and two heat dissipation plates (15) are arranged on the side wall of the box door (2) and located on the left side and the right side of the connecting block (13) respectively.

6. The high-voltage circuit breaker protection operating device according to claim 1, characterized in that a conical block (16) is fixedly connected to the top of each of the four box doors (2), and the four conical blocks (16) are spliced with each other to form a rectangular pyramid.

7. The high voltage circuit breaker protection operating device according to any one of claims 1-6, characterized in that a support table (18) for circuit breaker mounting is fixedly connected to the inside of the tank (1).

8. The device for protecting a high-voltage circuit breaker from the operation of claim 7, wherein the support platform (18) is made of rubber.