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Insulator core rod and insulator with same

A technology for insulators and mandrels, applied in the field of insulator mandrels and insulators, can solve the problems of high cost, low production efficiency and large turning allowance.

Active Publication Date: 2013-09-25
JIANGSU SHENMA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, pultrusion molding is currently difficult to produce large-diameter mandrels in China, and the winding method has a large turning allowance, and multiple windings are required for molding, which is high in cost and low in production efficiency.

Method used

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  • Insulator core rod and insulator with same
  • Insulator core rod and insulator with same
  • Insulator core rod and insulator with same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 As shown, it is a cross-sectional view of an insulator mandrel 100 according to an embodiment of the present invention. The insulator mandrel 100 of this embodiment includes: 24 main mandrels 10, winding layers 20 around the 24 main mandrels 10, and An inner core 30 in the middle of the core rod 10 . In this embodiment, the main mandrels 10 are arranged in two layers along the circumference, wherein 12 main mandrels 10 with equal diameters are the outer main mandrels 11, which are arranged tangentially in pairs to form an outer layer; 12 main mandrels 10 with equal diameters The mandrels 10 are the main mandrels 12 of the inner layer, which are arranged tangentially in pairs to form the inner layer. Each outer main mandrel 11 is tangent to two inner main mandrels 12 and is supported by the two inner main mandrels 12 . In this embodiment, the inner core 30 is tangent to each inner main mandrel 12 , and each outer main mandrel 11 is inscribed to the win...

Embodiment 2

[0031] Such as image 3 As shown, it is a sectional view of the cross section of the insulator mandrel 200 of the second embodiment of the present invention. The insulator mandrel 200 of this embodiment includes: 12 main mandrels 10 and 6 auxiliary mandrels 70, 12 main mandrels 10 peripheral The winding layer 20 and the inner core 30 located in the middle of the main mandrel 10 . In this embodiment, the main mandrels 10 are arranged in two layers along the circumference, wherein 6 main mandrels 10 with equal diameters are outer main mandrels 11 arranged in an outer layer; 6 main mandrels 10 with equal diameters are The main mandrels 12 in the inner layer are arranged tangentially in pairs to form an inner layer. Six auxiliary mandrels 70 with equal diameters are arranged between two outer main mandrels 11, and are tangent to adjacent outer main mandrels 11 and inner main mandrels 12, each outer main mandrel 11 are both tangent to the two inner main mandrels 12 and are suppor...

Embodiment 3

[0034] Such as Figure 4 As shown, it is a cross-sectional view of three insulator mandrels 300 of the embodiment of the present invention. The insulator mandrel 300 of this embodiment includes: 36 main mandrels 10, winding layers 20 around the 36 main mandrels 10, and An inner core 30 in the middle of the core rod 10 . In this embodiment, the main mandrels 10 are arranged in three layers along the circumference, wherein every 12 main mandrels 10 with equal diameters are arranged in pairs tangentially to form a layer, wherein two adjacent two layers are the outer layer and the inner layer of each other, Each outer main mandrel 11 or outer main mandrel 12 is tangent to two inner main mandrels 12 or inner main mandrels 13 respectively, and is formed by the two inner main mandrels 12 or inner main mandrels respectively. Layer main mandrel 13 supports. In this embodiment, the inner core 30 is tangent to each inner main mandrel 13 , and each outer main mandrel 11 is inscribed to ...

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Abstract

The invention discloses an insulator core rod and an insulator with the same. The insulator core rod comprises a plurality of main core rod bodies and a fixing pipe on the periphery of the main core rod bodies. The main core rod bodies are arranged to at least two layers along the circumference, and each outer layer main core rod body is supported by two adjacent inner layer main core rod bodies of the outer layer main core rod body. The insulator comprises the core rod, an umbrella skirt wrapped by the core rod, and a flange connected with the two ends of the core rod, wherein the core rod is the insulator core rod. The insulator core rod and the insulator with the insulator core rod are stable in structure, good in mechanical property and high in production efficiency, and saves cost.

Description

technical field [0001] The invention relates to the field of power transmission equipment, in particular to an insulator mandrel and an insulator with the mandrel. Background technique [0002] In the field of power transmission equipment, there are generally two processes for mandrels for insulators: pultrusion and winding. Among them, pultrusion molding is currently difficult to produce large-diameter mandrels in China, and the winding method has a large turning allowance, and multiple windings are required for molding, which is high in cost and low in production efficiency. Contents of the invention [0003] In view of the deficiencies of the prior art, one of the purposes of the present invention is to provide an insulator mandrel capable of producing a mandrel with a large diameter, with good mechanical properties, higher production efficiency and reduced cost. [0004] In order to realize the purpose of the above invention, the technical means adopted in the present...

Claims

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Application Information

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IPC IPC(8): H01B17/38
Inventor 马斌方江丁建兵谢竹青朱勇宋波
Owner JIANGSU SHENMA ELECTRIC CO LTD
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