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Hollow insulator

An insulator and hollow technology, applied in the direction of supporting insulators, etc., can solve the problems of increasing equipment weight, increasing equipment cost, and wasting materials

Active Publication Date: 2017-11-17
JIANGSU SHENMA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above method wastes materials, increases equipment cost, and increases equipment weight

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] like figure 1 As shown, the hollow insulator 100 of this embodiment includes an insulating cylinder 110, an shed 120 covered by the insulating cylinder 110, and flanges 130 fixed at both ends of the insulating cylinder 110 (the upper end flange is not shown). A supporting member 140 is disposed inside the insulating cylinder 110 .

[0030] The insulating cylinder 110 is a hollow cylinder formed by winding glass fibers. The cross section of the supporting member 140 is cross-shaped, and the length is equal to the length of the insulating cylinder 110 . The supporting member 140 includes four supporting ends 141 , and the supporting ends 141 lean against the inner wall of the insulating cylinder 110 . Both the supporting end 141 and the central corner of the cross shape are provided with rounded corners. A groove 111 is provided at a position corresponding to the supporting end 141 of the insulating cylinder 110 , and the supporting end 141 abuts against the bottom of ...

Embodiment 2

[0034] like figure 2 As shown, in the hollow insulator 200 of this embodiment, the cross-section of the support member 240 is an equilateral triangle and the three vertices are rounded. The length of the supporting member 240 is half of the length of the insulating cylinder 210 , and the insulating cylinder 210 is provided with two supporting members 240 stacked one above the other. The supporting member 240 includes three supporting ends 241 , and three grooves 211 are correspondingly provided on the inner wall of the insulating cylinder 210 . One end of the supporting member 240 close to the flange 230 is provided with six fixing holes 242 , and the supporting member 240 is fixed on the flange 230 through the fixing holes 242 .

[0035] Except for the above description, the structure of the hollow insulator 200 of this embodiment is the same as that of the hollow insulator 100 of the first embodiment of the present invention.

[0036] In the hollow insulator 200 of this e...

Embodiment 3

[0038] like image 3 As shown, the cross-section of the support end 341 of the support member 340 in this embodiment is a T-shaped structure, the top of the T-shaped structure is close to the inner wall of the insulating tube 310, and the corners of the T-shaped shape are provided with rounded corners. In addition, there is an arc-shaped protrusion at the top of the T shape, and the arc-shaped protrusion extends into the groove 311 .

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PUM

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Abstract

The invention discloses a hollow insulator, which comprises a hollow insulating cylinder, an shed covering the insulating cylinder, and flanges connected to both ends of the insulating cylinder. on the inner wall of the insulating cylinder. The hollow insulator of the invention has excellent bending resistance, simple manufacturing method and material saving.

Description

technical field [0001] The invention relates to the field of power transmission insulation equipment, in particular to a hollow insulator. Background technique [0002] At present, insulators have been widely used in the power industry. There is a hollow insulator among the insulators, and the hollow insulator generally includes an insulating cylinder, an shed covering the insulating cylinder and flanges connected to both ends of the insulating cylinder. Hollow insulators can be used in power transmission and transformation equipment such as power station busbar pillars, isolating switches, smoothing reactors, and cross-arms of transmission lines as support and electrical insulation components. [0003] Hollow insulators are used as supporting components, and their mechanical strength directly affects the mechanical properties of equipment. Some equipment has great requirements on the bending performance of hollow insulators, and the corresponding hollow insulators must ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B17/16
Inventor 马斌邱勇郁杰曹圩娣赵华赟
Owner JIANGSU SHENMA ELECTRIC CO LTD