UHV sectional insulator grading ring

Abstract

The special high voltage section type insulator grading ring is provided with an insulating support and an intermediate mounting base, a threaded hole is arranged on the intermediate mounting base, the threaded hole on the intermediate mounting base and the threaded hole on the insulating support are connected with each other, an insulating part is arranged on the insulating support, an upper grading ring and a lower grading ring are arranged on the insulating support, the two grading rings can make the effect of voltage grading better, a section connecting rod is arranged on the grading ring, the section connecting rod and the connecting boss on the insulating support are threadedly assembled with each other, the grading ring can be further disassembled and maintained, and the maintenance of the grading ring in the later period is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a voltage equalizing component, in particular to a voltage equalizing ring of sectional type for extra-high voltage insulator. BACKGROUND

[0002] The voltage equalizing ring is a ring-shaped protective fitting for improving voltage distribution of an insulator string, mainly functions to prevent side lightning, and is applicable to occasions with alternating voltage, can uniformly distribute high voltage around an object, ensures no potential difference between each part of the ring, thereby achieving the effect of voltage equalization, and is required to be used in many extra-high voltage industries, and the voltage equalizing ring can be used to ensure stable operation of the extra-high voltage equipment.

[0003] CN201922107521.8 A high-performance voltage equalizing ring with super strong damage prevention relates to the technical field of voltage equalizing rings and specifically relates to a high-performance voltage equalizing ring with super strong damage prevention. It comprises a base, a rotating seat, a support rod, a left first-stage voltage equalizing ring, a left second-stage voltage equalizing ring, a left third-stage voltage equalizing ring, a left fourth-stage voltage equalizing ring, a left telescopic connecting rod, a right first-stage voltage equalizing ring, a right second-stage voltage equalizing ring, a right third-stage voltage equalizing ring, a right fourth-stage voltage equalizing ring, and a right telescopic connecting rod. The rotating seat is arranged above the base, and the support rod is arranged on the rotating seat. The support rod comprises an insulating layer and an elastic layer. The insulating layer is arranged on the outer side of the elastic layer. A left sliding groove is arranged on the left side of the insulating layer. The voltage equalizing ring has super strong damage prevention and high performance and can prevent damage.

[0004] Although the voltage equalizing ring in the prior art is provided with a sliding groove, can adjust height and distance, has a simple and firm structure, and is high in flexibility, the voltage equalizing ring cannot be replaced and assembled, and the voltage equalizing ring cannot be maintained in the later period. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a voltage equalizing ring of sectional type for extra-high voltage insulator.

[0006] The utility model adopts the following technical scheme: the voltage equalizing ring of sectional type for extra-high voltage insulator is provided with an insulating support and an intermediate mounting seat, a threaded hole is arranged on the intermediate mounting seat, the threaded hole on the insulating support and the intermediate mounting seat are connected with each other, an insulating part is arranged on the insulating support, the insulating part is an insulator, a side support is arranged on the side of the insulating support, an insulator is mounted on the side support, a voltage equalizing ring is arranged on the intermediate mounting seat, the voltage equalizing ring is divided into an upper voltage equalizing ring and a lower voltage equalizing ring, a support guide rod is arranged between the upper voltage equalizing ring and the lower voltage equalizing ring, the upper voltage equalizing ring and the lower voltage equalizing ring are both provided with sectional connecting rods, and the sectional connecting rods and the insulating support are assembled with each other.

[0007] The connecting boss is provided with external threads, and the segmented connecting rod is provided with a connecting cap.

[0008] The connecting cap and the connecting boss are assembled with each other, and the connecting cap and the connecting boss are fixed by threads.

[0009] The bottom of the insulating support is provided with a bottom assembly part, which is an assembly end, and the assembly end is provided with an assembly table.

[0010] The assembly table is provided with a locking hole, and the locking hole is provided with a locking pin shaft, and the locking pin shaft and the locking hole are assembled by threads.

[0011] Compared with the prior art, the insulating support is used as the main intermediate supporting part of the equalizing ring, so that the assembly of the equalizing ring is more stable, the upper equalizing ring and the lower equalizing ring are arranged on the insulating support, and the two equalizing rings can make the equalizing effect better, the segmented connecting rod is arranged on the equalizing ring, and the segmented connecting rod and the connecting boss on the insulating support are assembled by threads, so that the equalizing ring can be further disassembled and maintained conveniently, and the maintenance of the equalizing ring in the later period is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic view of the utility model;

[0013] Figure 2 is a structural schematic view of the utility model;

[0014] Figure 3 is a structural schematic view of the utility model;

[0015] In the drawing: 1 is an insulating support, 2 is an intermediate mounting seat, 3 is a threaded hole, 4 is an insulator, 5 is a side support, 6 is an upper equalizing ring, 7 is a lower equalizing ring, 8 is a segmented connecting rod, 9 is a connecting boss, 10 is a connecting cap, 11 is a supporting guide rod, 12 is an assembly end, and 13 is a locking pin shaft. DETAILED DESCRIPTION

[0016] In the following, the utility model is further described in combination with the drawings and the specific implementation mode, and it should be noted that, under the premise of no conflict, the following described embodiments or technical features can be combined to form new embodiments.

[0017] The equalizing ring of the extra-high voltage sectional insulator is provided with an insulating support 1 and an intermediate mounting base 2, a threaded hole 3 is arranged on the intermediate mounting base 2, the threaded hole 3 on the insulating support 1 and the intermediate mounting base 2 are connected with each other, an insulating part is arranged on the insulating support 1, the insulating part is an insulator 4, a side support 5 is arranged on the side of the insulating support 1, the insulator 4 is mounted on the side support 5, an equalizing ring is arranged on the intermediate mounting base 2, the equalizing ring is divided into an upper equalizing ring 6 and a lower equalizing ring 7, a supporting guide rod 11 is arranged between the upper equalizing ring 6 and the lower equalizing ring 7, the upper equalizing ring 6 and the lower equalizing ring 7 are both provided with sectional connecting rods 8, and the sectional connecting rods 8 and the insulating support 1 are assembled with each other.

[0018] In order to make the assembly and maintenance of the upper equalizing ring and the lower equalizing ring more convenient, the sectional connecting rods 8 are arranged on the upper equalizing ring 6 and the lower equalizing ring 7, the connecting caps 10 are arranged on the sectional connecting rods 8, the connecting caps 10 and the connecting bosses 9 are fixed by threads, the connecting caps 10 can be assembled with the insulating support 1, the connecting bosses 9 are arranged on the insulating support 1, the connecting bosses 9 are provided with external threads, the connecting caps 10 are arranged on the sectional connecting rods 8, the connecting bosses 9 on the insulating support 1 and the connecting caps 10 on the sectional connecting rods 8 are assembled with each other, the connecting bosses 9 on the insulating support 1 and the connecting caps 10 are connected with each other, the need of the movable assembly of the upper equalizing ring and the lower equalizing ring is met, the upper equalizing ring and the lower equalizing ring are hollow structures, the sectional connecting rods 8 can be retreated into the hollow equalizing ring by a distance when assembled, which can facilitate the assembly of the sectional connecting rods 8 and the connecting bosses 9 by the connecting caps, the sectional connecting rods 8 are assembled into the connecting bosses 9, and then the sectional connecting rods are further locked at the connecting position by the connecting caps 10, which can facilitate the replacement and maintenance of the equalizing ring.

[0019] The bottom of the insulating support 1 is provided with a bottom assembly part, the bottom assembly part is an assembly end 12, the assembly end 12 adopts an assembly table, the assembly table is provided with a locking hole, the locking hole and the locking pin 13 are matched with each other, which can better facilitate the assembly and fixation of the bottom of the insulating support 1, and the assembly of other electrical equipment is also more convenient, only the support of other equipment is provided, and then the assembly and locking of the insulating support 1 can be realized, the locking hole is provided with the locking pin 13, and the locking pin 13 and the locking hole are assembled by threads.

[0020] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. A segmented insulator equalizing ring for ultra-high voltage transmission, comprising an insulating support and an intermediate mounting base, wherein the intermediate mounting base has a threaded hole, the threaded hole on the insulating support and the threaded hole on the intermediate mounting base are interconnected, an insulating component, which is an insulator, is provided on the insulating support, a side support is provided on the side of the insulating support, an insulator is mounted on the side support, and an equalizing ring is provided on the intermediate mounting base, characterized in that: The equalizing ring is divided into an upper equalizing ring and a lower equalizing ring, support guide rods are arranged between the upper equalizing ring and the lower equalizing ring, the upper equalizing ring and the lower equalizing ring are both provided with sectional connecting rods, and the sectional connecting rods and the insulating supports are assembled with each other.

2. The EHV sectional insulator grading ring of claim 1, wherein: The insulating supports are provided with connecting bosses, the connecting bosses are provided with external threads, and the sectional connecting rods are provided with connecting caps.

3. The EHV sectional insulator grading ring of claim 2, wherein: The connecting bosses on the insulating supports and the connecting caps on the sectional connecting rods are assembled with each other, and the connecting caps and the connecting bosses are fixed by threads.

4. The EHV sectional insulator grading ring of claim 1, wherein: The bottom of the insulating support is provided with a bottom assembly part, the bottom assembly part is an assembly end, and the assembly end adopts an assembly table.

5. The EHV sectional insulator grading ring of claim 4, wherein: The assembly table is provided with locking holes, locking pins are arranged in the locking holes, and the locking pins and the locking holes are assembled by threads.

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