Anti-galloping phase-to-phase spacer

A technology of interphase spacer and sub-conductor spacer, which is applied in the field of overhead transmission lines, can solve problems such as broken connection fittings, broken pressure equalizing ring brackets for insulators, etc., and achieves the effect of solving the problem of easy breakage

Active Publication Date: 2020-04-28
CHINA ELECTRIC POWER RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]At present, in the interphase spacer, the connection type between the insulator and the spacer is mainly through the hard connection of the hardware. , it is prone to breakage of connecting fittings and breakage of the equalizing ring bracket for insulators

Method used

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  • Anti-galloping phase-to-phase spacer

Examples

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Effect test

Embodiment 1

[0033] This application is an interphase spacer, which uses a damping device, which is different from the conventional structure. The core part of the damping device is a constant force spring, which is preset between the sub-conductor spacer and the insulator 4. The interphase spacer of the structural type can be designed according to the use environment to design the force of the constant force spring, so as to ensure that the interphase spacer has better damping performance and avoid metal fracture due to galloping and other reasons.

[0034] A spacer between phases is designed, which can hold the wire stably and effectively, and reduce the breakage of connecting fittings and other fittings caused by dancing. The interphase spacer employs a damping mechanism.

Embodiment 2

[0036] An anti-dancing spacer between phases, comprising: a sub-conductor spacer 1, a damping device 2 and a connecting fitting 3;

[0037] The sub-conductor spacer 1 is connected to the connecting fitting 3 through the damping device 2 .

[0038] The damping device 2 includes:

[0039] Two first connecting rods of the same length, a crescent-shaped metal frame and a constant force spring;

[0040] The two ends of the connecting rod are connected to the two ends of the crescent-shaped metal frame;

[0041] The constant force spring is arranged in the middle of the concave side of the crescent-shaped metal frame along a direction parallel to the first connecting rod, and the length of the constant force spring is smaller than the length of the first connecting rod.

[0042] The length of the constant force spring is set based on the use environment of the anti-flying spacer bar.

[0043] The sub-wire spacer 1 includes:

[0044] a hexagonal frame and a clip body connected to...

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PUM

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Abstract

The invention relates to an anti-galloping phase-to-phase spacer. The anti-galloping phase-to-phase spacer is characterized in that the anti-galloping phase-to-phase spacer comprises a sub-conductor spacer (1), a damping device (2) and a connecting fitting (3); the sub-conductor spacer (1) is connected with the connection fitting (3) through the damping device (2). According to the anti-gallopingphase-to-phase spacer of the technical scheme provided by the invention, the damping device is introduced between the fitting and the sub-conductor spacer, so that the problem that the connecting fitting for the phase-to-phase spacer is broken when a conductor gallops is solved.

Description

technical field [0001] The invention relates to an overhead power transmission line, in particular to an anti-dancing interphase spacer. Background technique [0002] The interphase spacer is a metal tool that is supported between two phase conductors and controls the distance between the two phase conductors. The poles and towers of overhead transmission lines are relatively high and the span is relatively large. When the conductor is subjected to wind force, it will shake. When the conductors shake, the relative distance between the phase conductors may become smaller, which may easily cause discharge between the conductors. [0003] Interphase spacers are generally composed of sub-conductor spacers, insulators, connecting fittings and other parts. The composition and related parameters of the interphase spacer are related to the voltage level of the applied overhead transmission line and the parameters of the wire. When the conductor swings or dances, the interphase sp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/12H02G7/14
CPCH02G7/125
Inventor 张军周立宪朱宽军李新民
Owner CHINA ELECTRIC POWER RES INST
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