CN220121736U - Combined high-voltage vacuum circuit breaker - Google Patents

Abstract

The utility model relates to the technical field of high-voltage distribution equipment, in particular to a combined high-voltage vacuum circuit breaker, which comprises: the circuit breaker comprises a circuit breaker mounting frame, wherein one side of the circuit breaker mounting frame is fixedly connected with a plurality of vacuum circuit breaker bodies, and one side of each vacuum circuit breaker body is fixedly connected with a composite insulator; the mounting plate is fixedly connected with the breaker mounting frame, one side of the mounting plate is fixedly connected with a plurality of shaft rods, the shaft rods are rotationally connected with shaft sleeves, and the shaft sleeves are fixedly connected with a first dust-proof plate and a second dust-proof plate; the beneficial effects are as follows: the utility model discloses a can splice into holistic dustproof board No. one and No. two dustproof boards in the outside setting of synthetic insulator, form a confined space at synthetic insulator, dustproof board No. one and No. two dustproof boards can block the dust of thermal power plant and pile up on the surface of synthetic insulator, avoid synthetic insulator to produce the surface discharge phenomenon then to the produced potential safety hazard of synthetic insulator surface discharge has been solved.

Description

Combined high-voltage vacuum circuit breaker

Technical Field

The utility model relates to the technical field of high-voltage distribution equipment, in particular to a combined high-voltage vacuum circuit breaker.

Background

The high-voltage vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinction are high vacuum, has the advantages of small volume, light weight, suitability for frequent operation and no maintenance during arc extinction, and is more popular in power distribution networks.

At present, the high-voltage vacuum circuit breaker is mainly composed of a circuit breaker body, an operating mechanism, a spring mechanism, a vacuum bottle, contacts and the like, and the structure is quite perfect.

However, in the prior art, the composite insulator of the high-voltage vacuum circuit breaker installed in the thermal power plant is prone to accumulate dust, which may cause potential safety hazards in surface discharge.

Disclosure of Invention

The utility model aims to provide a combined high-voltage vacuum circuit breaker, which solves the problem that the composite insulator of the high-voltage vacuum circuit breaker installed in a thermal power plant provided in the background art is easy to accumulate dust, so that potential safety hazards can be caused by surface discharge.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a combined high voltage vacuum circuit breaker, the combined high voltage vacuum circuit breaker comprising:

the circuit breaker comprises a circuit breaker mounting frame, wherein one side of the circuit breaker mounting frame is fixedly connected with a plurality of vacuum circuit breaker bodies, one side of the vacuum circuit breaker bodies is fixedly connected with a composite insulator, and the composite insulator is fixedly connected with the circuit breaker mounting frame;

the mounting panel, the mounting panel sets up to "triangular prism' form and the both ends of mounting panel all with circuit breaker mounting bracket fixed connection, one side fixedly connected with a plurality of axostylus axostyles of mounting panel, the axostylus axostyle rotates the axle sleeve that is connected with four upper and lower settings, two at both ends the equal fixedly connected with dust guard of axle sleeve, two in the middle the equal fixedly connected with No. two dust guards of axle sleeve, the inboard equal fixedly connected with insulating dust guard of dust guard and No. two dust guards, the spliced eye that supplies synthetic insulator grafting has all been seted up at the upper and lower both ends of dust guard and No. two dust guards.

Preferably, the first dust-proof plate and the second dust-proof plate are parallel to the composite insulator, and the surfaces contacted by the shaft rod and the mounting plate are mutually perpendicular.

Preferably, one end fixedly connected with of axostylus axostyle stops limiting plate that No. one dust guard and No. two dust guard blocked, there is the space between the transmission of electricity end on limiting plate and the vacuum circuit breaker body, transmission of electricity end and synthetic insulator fixed connection.

Preferably, a limiting rod is fixedly connected to one side of the first dust-proof plate, and the limiting rod is arranged in an L shape.

Preferably, a limiting block is fixedly connected to one side of the second dust-proof plate, a jack penetrates through one side of the limiting block, and a clamping groove is formed in one side of the limiting block.

Preferably, the jack is inserted with a baffle, and the baffle is arranged in a cross shape.

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

the utility model discloses a can splice into holistic dustproof board No. one and No. two dustproof boards in the outside setting of synthetic insulator, form a confined space at synthetic insulator, dustproof board No. one and No. two dustproof boards can block the dust of thermal power plant and pile up on the surface of synthetic insulator, avoid synthetic insulator to produce the surface discharge phenomenon then to the produced potential safety hazard of synthetic insulator surface discharge has been solved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is an exploded view of the dust-proof structure of the present utility model;

FIG. 3 is a schematic perspective view of a second dust-proof board structure of the present utility model;

FIG. 4 is a schematic perspective view of a first dust-proof board structure of the present utility model;

fig. 5 is an enlarged schematic view of the structure of the area a in the drawing according to the present utility model.

In the figure: 1. a breaker mounting rack; 2. a vacuum circuit breaker body; 3. a mounting plate; 4. a shaft lever; 41. a limiting plate; 5. a first dust-proof plate; 51. a limit rod; 6. a second dust-proof plate; 61. a limiting block; 62. a jack; 63. a clamping groove; 7. a shaft sleeve; 8. synthesizing an insulator; 9. and a baffle.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present utility model provides a technical solution:

in one embodiment, a combined high-voltage vacuum circuit breaker includes: a circuit breaker mounting bracket 1 and a mounting plate 3.

Specifically, one side of the breaker mounting frame 1 is fixedly connected with a plurality of vacuum breaker bodies 2, one side of the vacuum breaker body 2 is fixedly connected with a composite insulator 8, and the composite insulator 8 is fixedly connected with the breaker mounting frame 1;

further, mounting panel 3 sets to "three-edged body 'form and the both ends of mounting panel 3 all with circuit breaker mounting bracket 1 fixed connection, one side fixedly connected with a plurality of axostylus axostyles 4 of mounting panel 3, axostylus axostyle 4 rotates and is connected with four axle sleeve 7 that set up from top to bottom, two axle sleeve 7 equal fixedly connected with dust guard 5 of both ends, two equal fixedly connected with No. two dust guard 6 of axle sleeve 7 in the middle, the inboard of dust guard 5 and No. two dust guard 6 is all fixedly connected with insulating dustproof strip, the spliced eye that supplies synthetic insulator 8 grafting is all offered at the upper and lower both ends of dust guard 5 and No. two dust guard 6, after synthetic insulator 8 installs, install mounting panel 3 on circuit breaker mounting bracket 1, then install No. 5 and No. two dust guard 6 on axostylus axostyle 4, rotatory two for synthetic insulator 8 is in the dust proof box that the two make up, thereby avoid synthetic insulator 8's surface accumulation dust, and surface discharge has further been avoided.

In the second embodiment, in order to facilitate the closing of the composite insulator 8, the first dust-proof plate 5 and the second dust-proof plate 6 of the present utility model are parallel to the composite insulator 8, and the surfaces contacted by the shaft lever 4 and the mounting plate 3 are perpendicular to each other, so that the first dust-proof plate 5 and the second dust-proof plate 6 are easier to form the closing of the composite insulator 8 when they rotate, and are more convenient to mount.

In the third embodiment, in order to facilitate the stabilization of the first dust-proof plate 5 and the second dust-proof plate 6, one end of the shaft lever 4 is fixedly connected with a limiting plate 41 for blocking the first dust-proof plate 5 and the second dust-proof plate 6, a gap is reserved between the limiting plate 41 and a power transmission end on the vacuum circuit breaker body 2, and the power transmission end is fixedly connected with the composite insulator 8, so that the first dust-proof plate 5 and the second dust-proof plate 6 cannot fall off easily, and the limiting plate 41 cannot influence power transmission.

In the fourth embodiment, in order to facilitate the sealing of the dust-proof plate, one side of the first dust-proof plate 5 is fixedly connected with the limiting rod 51, and the limiting rod 51 is arranged in an L shape, so that the convenience of clamping can be ensured.

In the fifth embodiment, in order to facilitate the clamping and limiting of the limiting rod 51, one side of the second dust-proof plate 6 of the present utility model is fixedly connected with a limiting block 61, one side of the limiting block 61 is penetrated with an insertion hole 62, one side of the limiting block 61 is provided with a clamping groove 63, and after the first dust-proof plate 5 rotates and contacts with the second dust-proof plate 6, the limiting rod 51 is directly clamped in the clamping groove 63.

In the sixth embodiment, in order to further limit the limiting rod 51, the baffle plate 9 is inserted into the insertion hole 62, the baffle plate 9 is arranged in a cross shape, and after the limiting rod 51 is clamped into the clamping groove 63, the lifted baffle plate 9 is inserted into the insertion hole 62 to block the limiting rod 51, so that the first dust-proof plate 5 and the second dust-proof plate 6 are connected more tightly.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A combined high-voltage vacuum circuit breaker is characterized in that: the combined high-voltage vacuum circuit breaker includes:

the circuit breaker comprises a circuit breaker mounting frame (1), wherein one side of the circuit breaker mounting frame (1) is fixedly connected with a plurality of vacuum circuit breaker bodies (2), one side of the vacuum circuit breaker bodies (2) is fixedly connected with a composite insulator (8), and the composite insulator (8) is fixedly connected with the circuit breaker mounting frame (1);

mounting panel (3), mounting panel (3) set up to "triangular prism' form and mounting panel (3) both ends all with circuit breaker mounting bracket (1) fixed connection, one side fixedly connected with a plurality of axostylus axostyles (4) of mounting panel (3), axostylus axostyle (4) rotate and are connected with axle sleeve (7) that set up from top to bottom, two at both ends axle sleeve (7) equal fixedly connected with dust guard (5), two in the middle axle sleeve (7) equal fixedly connected with dust guard (6), the inboard equal fixedly connected with insulating dustproof strip of dust guard (5) and dust guard (6) No. one, the spliced eye that supplies synthetic insulator (8) grafting has all been seted up at the upper and lower both ends of dust guard (5) and dust guard (6).

2. A combined high voltage vacuum circuit breaker according to claim 1, characterized in that: the first dust-proof plate (5) and the second dust-proof plate (6) are parallel to the composite insulator (8), and the surfaces contacted by the shaft lever (4) and the mounting plate (3) are mutually perpendicular.

3. A combined high voltage vacuum circuit breaker according to claim 2, characterized in that: one end fixedly connected with of axostylus axostyle (4) is to limiting plate (41) that No. one dust guard (5) and No. two dust guard (6) block, there is the space between the transmission end on limiting plate (41) and vacuum circuit breaker body (2), transmission end and synthetic insulator (8) fixed connection.

4. A combined high voltage vacuum circuit breaker according to claim 3, characterized in that: one side of the first dust-proof plate (5) is fixedly connected with a limiting rod (51), and the limiting rod (51) is arranged in an L shape.

5. The combination high voltage vacuum circuit breaker of claim 4, wherein: one side fixedly connected with stopper (61) of No. two dust guard (6), stopper (61) one side is run through and is had jack (62), draw-in groove (63) have been seted up to one side of stopper (61).

6. A combined high voltage vacuum circuit breaker according to claim 5, characterized in that: the jack (62) is inserted with a baffle (9), and the baffle (9) is arranged in a cross shape.