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Strain iron tower drainage system for power transmission line

A technology for transmission lines and iron towers, which is applied in the field of strain-resistant iron tower drainage systems, which can solve problems such as difficulty in keeping wires straight and lace, and achieve the effect of less accessories, simple processing, and beautiful and coordinated appearance

Inactive Publication Date: 2012-05-30
ZHEJIANG ELECTRIC POWER DESIGN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bracket adopts multi-section steel pipe flange connection type, which is more convenient for installation and transportation. Compared with the aluminum tube type rigid jumper, the connection points in the middle of the drainage line are reduced, and the drainage is more reliable, but the wire is difficult to keep straight on the bracket, and there are laces Phenomenon

Method used

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  • Strain iron tower drainage system for power transmission line
  • Strain iron tower drainage system for power transmission line
  • Strain iron tower drainage system for power transmission line

Examples

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with accompanying drawing: figure 1 As shown, a tension tower drainage system of a power transmission line, the system is composed of drainage soft wire 4, jumper spacer bar 5, aluminum tube cage rigid jumper 6 and jumper insulator string 3, the aluminum tube The cage-type rigid jumper 6 is suspended on the iron tower cross-arm 1 through the jumper insulator string 3, and the two ends of the aluminum tube cage-type rigid jumper 6 are respectively connected with the tension string 2 drainage clamps at both ends of the iron tower cross-arm 1 , and jumper spacer bar 5 is installed additionally and heavy hammer group 12 is installed additionally as required.

[0022] figure 2 As shown, the aluminum tube cage rigid jumper 6 is a low-noise corona-free aluminum tube cage jumper, which is mainly composed of a drainage soft wire 4, a hollow aluminum alloy tube 10, and aluminum tube spacers 7, 8 , 9, the jo...

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Abstract

The invention discloses a strain iron tower drainage system for a power transmission line, which consists of a drainage soft sub-line, jumper spacers, an aluminum pipe cage type rigid jumper and a jumper insulator string, wherein the aluminum pipe cage type rigid jumper is suspended on a cross arm of an iron tower through the jumper insulator string; the two ends of the aluminum pipe cage type rigid jumper are connected with strain string drainage wire clips on two ends of the cross arm of the iron tower respectively and are provided with the jumper spacers, or even counter weight groups whennecessary; the aluminum pipe cage type rigid jumper is a low-noise corona-free aluminum pipe cage type jumper and mainly comprises hollow aluminum alloy pipes, aluminum pipe spacers, connectors, counter weight groups and anti-corona balls; and the connectors joint the two hollow aluminum alloy pipes through the aluminum pipe spacers and are supported by the aluminum pipe spacers, and thus, an aluminum pipe cage structure having a regular polygon section. The system has the characteristics of saving construction cost, eliminating corona, effectively lowering audible noise near the strain tower, along with elegant and coordinate appearance, light weight, small part consumption, high machinability, convenience of transportation and installation, and the like.

Description

technical field [0001] The invention relates to a strain tower drainage system for a power transmission line, in particular to a tension tower drainage system for a power transmission line using a low-noise, corona-free aluminum alloy tube cage type rigid jumper. Background technique [0002] At present, the development of my country's electric power industry is advancing by leaps and bounds, and the construction of UHV power grids has become an inevitable trend of power transmission. In the transmission line, the diversion jumper of the tension-resistant corner tower is an important component related to the reliable operation of the transmission line. The tension insulator string and the jumper of the UHV power transmission line are all long, and the wires adopt a 6-8 split structure, reducing Jumper sag and its windage offset are effective methods to reduce the size of the tension tower head and reduce the construction cost. For this reason, rigid jumpers are used in UHV ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G7/00
Inventor 朱天浩王轶文陈稼苗沈泓陈建飞乐军耀
Owner ZHEJIANG ELECTRIC POWER DESIGN INST
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