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Anticorona voltage-sharing type strain insulator-string set

An anti-corona and tensile string technology, applied in the field of power transmission and transformation lines

Active Publication Date: 2015-01-14
上海艾迪欧电力防振金具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an anti-corona pressure equalizing type tension string with simple connection structure in view of the problems existing in the connection fittings of the existing power transmission and transformation lines

Method used

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  • Anticorona voltage-sharing type strain insulator-string set
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  • Anticorona voltage-sharing type strain insulator-string set

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] see figure 1 , the anti-corona pressure equalizing strain string group shown in the figure includes a series of suspension insulator strings 100 connected in series by several suspension insulators 110, two three-hanging hole connecting plates 200, four slack adjustment device 300 and four steel anchor assemblies 400 for tension clamps.

[0068]The first end of the suspension insulator string 100, that is, the suspension insulator 110a at the head end, is connected to the steel tower through a double-legged ball-joint hanging plate 120, which is manufactured by die forging.

[0069] see figure 2 and image 3 One end of the double-leg ball head hanging plate 120 is a ball head 121, and the other end is a U-shaped structure; both leg arms 122, 123 of the U-shaped structure are provided with coaxial holes 122a, 123a. Continue to see figure 1 , the ball head 121 at one end of the double-leg ball head hanging plate 120 snaps into the bowl seat 111a of the suspension ins...

Embodiment 2

[0101] The anti-corona pressure equalizing tension string group of this embodiment includes two suspension insulator strings connected in series by several suspension insulators, a four-hanging hole connecting plate 900, two slack regulators and two tension insulators. Wire clip steel anchor assembly. Two strings of suspension insulators connected in series by several suspension insulators have the same structure as the suspension insulator 100 in which several suspension insulators are connected in series. The same as that of embodiment 1.

[0102] see Figure 36 , the four hanging hole connecting plate 900 shown in the figure is manufactured by die forging, and four hanging hole positions 910, 920, 930, 940 in a flat structure are arranged on it, and the hanging hole positions 910, 920, 930,940 are all provided with a lifting hole 911,921,931,941, the central axes of the lifting holes 911,921,931,941 are parallel and perpendicular to the central axis 950 of the four hangin...

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Abstract

The invention discloses an anticorona voltage-sharing type strain insulator-string set which comprises at least one suspension type insulator string, at least one multi-suspension-hole yoke plate, at least one sag regulator and at least one strain clamp steel anchor assembly. The first end of each suspension type insulator string is connected with a steel tower through a first double-leg ball suspension plate, the first side of each multi-suspension-hole yoke plate is connected with the second end of the corresponding suspension type insulator string through a socket suspension plate, the first end of each sag regulator is connected with the second side of the corresponding multi-suspension-hole yoke plate through a right-angle suspension plate, a strain clamp steel anchor in each strain clamp steel anchor assembly is connected with the second end of the corresponding sag regulator, a pipe body part of a strain clamp in each strain clamp steel anchor assembly is connected with a cable, and a flat part of each strain clamp in each strain clamp steel anchor assembly is connected with a jumper wire. All the fittings in the anticorona voltage-sharing type strain insulator-string set are manufactured through the die forging technology and are not provided with pointed corners, strength is high, and line operation is safe.

Description

technical field [0001] The invention relates to the technical field of power transmission and transformation lines, in particular to an anti-corona pressure equalizing type tension string group. Background technique [0002] At present, in the power transmission and transformation lines, the connection between the tower and the line mainly depends on various connecting fittings, but the existing connecting fittings are unreasonable in structure, which brings inconvenience to the installation and maintenance of the line, easily causes the insulation string to break, and damages the line. Operational security poses hidden dangers. [0003] Moreover, the bolts used in the existing connecting hardware have exposed threads and pins, and have sharp corners, which cause electric field distortion in the circuit, and a protection unit needs to be added for protection. [0004] What is more important is that the existing metal fittings are basically processed or cast after cutting fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/05H01B17/04
CPCH01B17/04H01B17/12H01B17/48H02G7/05
Inventor 李占成李占财李东耀谷阳李冬娜
Owner 上海艾迪欧电力防振金具有限公司