CN219370886U

CN219370886U - 35kV high-capacity dual-purpose three-station solid-sealed pole

Info

Publication number: CN219370886U
Application number: CN202320221348.8U
Authority: CN
Inventors: 侯立身; 刘从宝
Original assignee: Shaanxi Oushuang Electric Co ltd
Current assignee: Shaanxi Oushuang Electric Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-07-18
Anticipated expiration: 2033-02-15

Abstract

The utility model provides a 35kV high-capacity dual-purpose three-station solid sealed pole, which belongs to the technical field of solid sealed pole and comprises a solid sealed pole body, wherein an outlet seat is arranged at the upper end of the solid sealed pole body, a fuse which can lead the solid sealed pole to be used for a load switch or a conductive rod which can lead the solid sealed pole to be used for a circuit breaker is arranged at the upper part of an inner cavity of the solid sealed pole body, and a vacuum arc-extinguishing chamber is arranged at the lower part of the inner cavity of the solid sealed pole body; the inner diameter of the solid-sealed polar pole body is increased. The utility model increases the pole volume of the solid-sealed pole, increases the rated current and rated short-circuit breaking current of the solid-sealed pole, increases the surface creepage distance of the solid-sealed pole, can be used on a load switch or a circuit breaker, and expands the application range.

Description

35kV high-capacity dual-purpose three-station solid-sealed pole

Technical Field

The utility model belongs to the technical field of solid-sealed polar poles, and particularly relates to a 35kV high-capacity dual-purpose three-station solid-sealed polar pole.

Background

The solid-sealed polar pole for the three-station circuit breaker in the industry has the following defects: 1. the rated current of the solid-sealed polar pole can only reach 630A at maximum, and the rated short-circuit breaking current is 20kA at maximum. The solid sealed pole limits the user's options and is not usable with high capacity devices. And the capacity of the customers who have ordered earlier cannot be increased later. 2. The current solid-sealed polar pole has small creepage distance, can only be used in areas with the altitude of 1000 meters or less, and can not be used in areas with the altitude of 1000 meters or more. 3. The internal structure of the existing solid sealing column can only be used in a three-station circuit breaker, and the application range is small. In view of the above, there is a need for improvements.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a 35kV high-capacity dual-purpose three-station solid-sealed pole, which increases the pole volume of the solid-sealed pole, increases the rated current and rated short-circuit breaking current of the solid-sealed pole, increases the surface creepage distance of the solid-sealed pole, can be used on a load switch or a circuit breaker, and enlarges the application range.

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

the 35kV high-capacity dual-purpose three-station solid-sealed pole comprises a solid-sealed pole body, wherein an outlet seat is arranged at the upper end of the solid-sealed pole body, a fuse which can enable the solid-sealed pole to be used for a load switch or a conductive rod which can enable the solid-sealed pole to be used for a circuit breaker is arranged at the upper part of an inner cavity of the solid-sealed pole body, and a vacuum arc-extinguishing chamber is arranged at the lower part of the inner cavity of the solid-sealed pole body; the inner diameter of the solid-sealed polar pole body is increased.

To the preferred mode of above-mentioned scheme, the fixed knot of installation of fuse in solid encapsulation utmost point post body constructs to: and fuse fixing seats are arranged at positions corresponding to the wire outlet seat and the vacuum arc extinguishing chamber, and two ends of the fuse are respectively clamped into the fuse fixing seats and clamped through fixing seat springs.

To the preferred mode of above-mentioned scheme, the installation fixed knot of conducting rod in solid sealed utmost point post body constructs to: the wire outlet seat and the vacuum arc-extinguishing chamber are respectively provided with a contact arm fixing seat, the contact arm fixing seats are respectively provided with a contact arm fixing screw, two ends of the conductive rod are respectively provided with a contact arm fixing nut, and the contact arm fixing nuts are connected with the contact arm fixing screws in a screwing mode.

In the preferable mode of the scheme, the inner diameter of the solid sealed polar pole body is maximally increased to phi 120mm, so that the rated current of the solid sealed polar pole is maximally increased to 2500A, the rated short-circuit breaking current is maximally increased to 31.5kA, and the surface creepage distance of the solid sealed polar pole is increased, so that the solid sealed polar pole is used in an area with an altitude of 4000 meters.

In the preferable mode of the scheme, the solid-sealed pole body is made of epoxy resin materials.

Compared with the prior art, the utility model has the advantages that:

1. the inner diameter of the solid-sealed polar pole is increased, so that the polar pole volume of the solid-sealed polar pole is increased, the rated current of the solid-sealed polar pole is maximally 2500A, and the rated short-circuit breaking current is maximally 31.5kA under the condition of ensuring the electrical property and the mechanical strength of the polar pole;

2. according to the scheme, as the inner diameter of the solid sealed polar pole is increased, the outer umbrella skirt is increased, and the surface creepage distance of the solid sealed polar pole is increased, so that the solid sealed polar pole can be used in areas with the altitude of 4000 meters;

3. this scheme can be at post body internally mounted dress fuse after changing inner structure to with solid sealed post be used for load switch on to can be at post body internally mounted conducting rod, and be used for on the circuit breaker with solid sealed post, increase fixed post's application scope.

Drawings

FIG. 1 is a schematic view showing an internal structure of a fuse of the present utility model;

FIG. 2 is a schematic view of the internal structure of the installation of the conductive rod of the present utility model;

FIG. 3 is a schematic view of the external structure of the present utility model;

FIG. 4 is a top view of the present utility model;

fig. 5 is a bottom view of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Referring to fig. 1-5, embodiments of the present utility model are described in detail.

The 35kV high-capacity dual-purpose three-station solid-sealed pole comprises a solid-sealed pole body 1, wherein the solid-sealed pole body 1 is made of an epoxy resin material. The upper end of the solid-sealed polar pole body 1 is provided with an outlet seat 2.

The upper part of the inner cavity of the solid sealed polar pole body 1 is provided with a fuse 3 which can enable the solid sealed polar pole to be used for a load switch or a conductive rod 7 which can enable the solid sealed polar pole to be used for a circuit breaker, and the lower part of the inner cavity of the solid sealed polar pole body 1 is provided with a vacuum arc-extinguishing chamber 6.

The installation fixed knot of fuse 3 in solid sealed utmost point post body 1 is constructed: referring to fig. 1, fuse holders 4 are respectively arranged at positions corresponding to the wire outlet seat 2 and the vacuum arc extinguishing chamber 6, and two ends of the fuse 3 are respectively clamped into the fuse holders 4 and clamped by holder springs 5.

The installation fixed knot of conducting rod 7 in solid sealed utmost point post body 1 constructs to: referring to fig. 2, the positions of the outlet seat 2 and the vacuum arc-extinguishing chamber 6 corresponding to each other are respectively provided with a contact arm fixing seat 8, the contact arm fixing seats 8 are respectively provided with a contact arm fixing screw, two ends of the conductive rod 7 are respectively provided with a contact arm fixing nut 9, and the contact arm fixing nuts 9 are in screwed connection with the contact arm fixing screws.

After the internal structure of the solid-sealed pole is changed, the solid-sealed pole can be used for a load switch after a fuse is arranged in the solid-sealed pole, and can be used for a circuit breaker after a conductive rod is arranged in the solid-sealed pole, so that the application range of the solid-sealed pole is widened.

The inner diameter of the solid sealed pole body 1 is increased, preferably, the inner diameter of the solid sealed pole body 1 is increased to phi 120mm at maximum. The solid-sealed polar pole increases the volume of the polar pole, and under the condition of ensuring the electrical property and the mechanical strength of the polar pole, the rated current of the solid-sealed polar pole is up to 2500A, and the rated short-circuit breaking current is up to 31.5kA.

And the inner diameter of the solid sealed polar pole is increased, so that the creepage distance of the surface of the solid sealed polar pole is increased, and the solid sealed polar pole is used in an area with the altitude of 4000 meters.

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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1.35kV high-capacity dual-purpose three-station solid sealed pole, including solid sealed pole body (1), solid sealed pole body (1) upper end is equipped with wire holder (2), its characterized in that: the upper part of the inner cavity of the solid sealed polar pole body (1) is provided with a fuse (3) which can enable the solid sealed polar pole to be used for a load switch or a conductive rod (7) which can enable the solid sealed polar pole to be used for a circuit breaker, and the lower part of the inner cavity of the solid sealed polar pole body (1) is provided with a vacuum arc-extinguishing chamber (6); the inner diameter of the solid-sealed polar pole body (1) is increased.

2. The 35kV high capacity dual-purpose three-station solid sealed pole of claim 1, wherein: the fuse (3) is in the fixed structure of the inside installation of solid seal utmost point post body (1) and is: fuse fixing seats (4) are arranged at positions corresponding to the wire outlet seat (2) and the vacuum arc extinguishing chamber (6), and two ends of the fuse (3) are respectively clamped into the fuse fixing seats (4) and clamped through fixing seat springs (5).

3. The 35kV high capacity dual-purpose three-station solid sealed pole of claim 1, wherein: the installation and fixation structure of the conductive rod (7) in the solid-sealed polar pole body (1) is as follows: the wire outlet seat (2) and the vacuum arc-extinguishing chamber (6) are respectively provided with a contact arm fixing seat (8), the contact arm fixing seats (8) are respectively provided with contact arm fixing screws, two ends of the conductive rod (7) are respectively provided with contact arm fixing nuts (9), and the contact arm fixing nuts (9) are connected with the contact arm fixing screws in a screwing mode.

4. The 35kV high capacity dual-purpose three-station solid sealed pole of claim 1, wherein: the inner diameter of the solid-sealed polar pole body (1) is maximally increased to phi 120mm, so that the rated current of the solid-sealed polar pole is maximally increased to 2500A, the rated short-circuit breaking current is maximally increased to 31.5kA, and the surface creepage distance of the solid-sealed polar pole is increased, so that the solid-sealed polar pole is used in an area with an altitude of 4000 meters.

5. The 35kV high capacity dual-purpose three-station solid sealed pole of claim 1, wherein: the solid-sealed pole body (1) is made of epoxy resin materials.