Hollow composite insulator for ultrahigh-voltage high-capacity iron core test reactor

Abstract

The utility model discloses a hollow composite insulator for an ultrahigh-voltage large-capacity iron core test reactor, which comprises an insulating tube and an umbrella cover, the umbrella cover is of a sectional structure and is integrally formed on the insulating tube, annular grooves which are arranged at intervals are arranged on the outer wall of the insulating tube, tooth-shaped grooves are arranged on the groove walls of the annular grooves, and the tooth-shaped grooves are communicated with the umbrella cover. The two adjacent umbrella covers are arranged in the annular groove after being formed and spliced, and the two umbrella covers and the tooth-shaped grooves in the groove walls of the corresponding sides of the annular groove are solidified into a whole. According to the utility model, the outer wall of the insulating tube is provided with the annular groove, and when the umbrella cover is subjected to injection molding, part of silicone rubber flows into the annular groove and is solidified with the tooth-shaped groove to form a whole, so that the combination effect between the umbrella cover and the adjacent umbrella cover and between the umbrella cover and the insulating tube can be effectively ensured, and the sealing is ensured; and matched step surfaces are arranged at the joint of two adjacent umbrella covers, so that the combination effect is further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hollow composite insulator for superhigh voltage large capacity iron core test electric reactor. BACKGROUND

[0002] The superhigh voltage product is high in mechanical performance and electrical performance, which brings challenges to the overall sealing of the flange, the segmented structure of the silicon rubber umbrella cover is formed on the outer wall of the insulating tube, in order to ensure the sealing of the joint between adjacent umbrella covers, corresponding stepped surfaces are arranged (such as Figure 3 ), then due to the limited thickness of the umbrella cover, the sealing effect cannot be ensured by thickening, because the joint is the first to fail during long-term use, affecting the service life. SUMMARY

[0003] The utility model discloses a hollow composite insulator for superhigh voltage large capacity iron core test electric reactor.

[0004] The utility model discloses the technical scheme has:

[0005] A hollow composite insulator for superhigh voltage large capacity iron core test electric reactor, comprising an insulating tube and an umbrella cover, the umbrella cover is a segmented structure, integrally formed on the insulating tube, an annular groove is arranged on the outer wall of the insulating tube, a toothed groove is arranged on the groove wall of the annular groove, two adjacent umbrella covers are formed and spliced to be placed in the annular groove, and the two umbrella covers are integrated with the toothed groove on the corresponding side groove wall of the annular groove.

[0006] Further, the joint between the two adjacent umbrella covers is provided with a matched stepped surface.

[0007] Further, the insulating tube is integrally formed by winding.

[0008] The utility model has the advantages of:

[0009] The utility model discloses that the annular groove is arranged on the outer wall of the insulating tube, part of the silicon rubber flows into the annular groove when the umbrella cover is injection molded, and is integrated with the toothed groove, which can effectively ensure the joint effect between the adjacent umbrella covers and the umbrella cover and the insulating tube, ensure sealing, and further ensure the joint effect by arranging the matched stepped surface at the joint between the two adjacent umbrella covers. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 The utility model discloses a partial enlarged view.

[0011] Figure 2The utility model discloses a structure diagram.

[0012] Figure 3 It is the schematic diagram of prior umbrella sleeve splicing. Specific implementation

[0013] The utility model makes further explanation in combination with the attached drawing.

[0014] As Figure 1 And Figure 2 The utility model discloses a hollow composite insulator for superhigh voltage large capacity iron core test electric reactor, including insulating tube 1 and umbrella sleeve 2, insulating tube 1 is integrally wound by glass fiber and is formed, is equipped with a plurality of annular grooves 11 with interval on the outer wall of insulating tube 1, is equipped with the dentate slot on the groove wall of each annular groove 11, umbrella sleeve 2 is sectional structure, and the whole is formed on insulating tube 1, and the adjacent two umbrella sleeves 2 are formed and splice and are placed in annular groove 11, and two umbrella sleeves 2 are solidified and form an integral whole with the dentate slot on the corresponding side groove wall of annular groove 11.

[0015] The utility model discloses a hollow composite insulator for superhigh voltage large capacity iron core test electric reactor, including insulating tube 1 and umbrella sleeve 2, insulating tube 1 is integrally wound by glass fiber and is formed, is equipped with a plurality of annular grooves 11 with interval on the outer wall of insulating tube 1, is equipped with the dentate slot on the groove wall of each annular groove 11, umbrella sleeve 2 is sectional structure, and the whole is formed on insulating tube 1, and the adjacent two umbrella sleeves 2 are formed and splice and are placed in annular groove 11, and two umbrella sleeves 2 are solidified and form an integral whole with the dentate slot on the corresponding side groove wall of annular groove 11.

[0016] The above only is the preferred implementation of the utility model of mode, should point out, for the ordinary skill in the art of this technology, on the premise of not departing from the principle of the utility model, still can make a number of improvements, these improvements also should be regarded as the protection range of the utility model.

Claims

1. A hollow composite insulator for an ultra-high voltage large capacity core test reactor, comprising an insulating tube (1) and a shed (2), characterized in that: The umbrella cover (2) is of sectional structure and is integrally formed on the insulating tube (1), An annular groove (11) is arranged on the outer wall of the insulating tube (1) at intervals, and a tooth-shaped groove is arranged on the groove wall of the annular groove (11), the two adjacent umbrella covers (2) are formed and spliced to be arranged in the annular groove (11), and the two umbrella covers (2) are integrally formed with the tooth-shaped groove on the corresponding side groove wall of the annular groove (11).

2. The hollow composite insulator for an ultra-high voltage large capacity core test reactor according to claim 1, characterized by: The joint of the two adjacent umbrella covers (2) is provided with a matching step surface.

3. The hollow composite insulator for an ultra-high voltage large capacity core test reactor according to claim 1, characterized in that: The insulating tube (1) is integrally formed by winding.

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