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Wiring method across live high-voltage lines in mountainous terrain

A high-voltage line and terrain technology, applied in the direction of overhead lines/cable equipment, etc., can solve the problem that the spanning high-voltage line erection method cannot achieve spanning, etc., and achieves the effect of speeding up line erection efficiency, saving comprehensive cost, and easy assembly and disassembly.

Active Publication Date: 2016-02-10
山西太行建设开发有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the existing erection method across the high-voltage line cannot realize crossing under the condition of mountainous terrain, the present invention provides a method for erecting the line across the charged high-voltage line in mountainous terrain

Method used

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  • Wiring method across live high-voltage lines in mountainous terrain
  • Wiring method across live high-voltage lines in mountainous terrain
  • Wiring method across live high-voltage lines in mountainous terrain

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Embodiment Construction

[0041] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0042] like figure 1 , 2 Shown, a kind of mountainous terrain straddles the wiring method of charged high-voltage line, comprises the following steps:

[0043] (1), set up wooden scaffolding and hanging pulleys: set up a first wooden scaffolding 20 with a height not lower than the height of the second new tower 200 next to the second new tower 200, and hang the crossarm on the second new tower 200 The first pulley; set up a second wooden scaffold 30 with a height at least 2m higher than the spanned tower 300 next to the spanned tower 300 closest to the spanned live high-voltage line 400 (to protect the spanned live high-voltage line 400 below) A second pulley is hung on the top of the spanned tower 300, and the bottom of the second pulley and the spanned live high-voltage line 400 on the spanned tower 300 meet a safety distance of 2.5m.

[...

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Abstract

The invention relates to a method for erecting high-voltage lines, in particular to a method for erecting mountainous-terrain cross charged high-voltage lines, which solves the problem that the current method for erecting the cross high-voltage lines cannot realize crossing under the condition of mountainous terrain. The method for erecting the mountainous-terrain cross charged high-voltage lines comprises the following steps: (1) setting up timber scaffolds and hanging pulleys: setting up a first timber scaffold of which the height is not lower than the height of a second new tower close to the second new tower, and hanging a first pulley at the cross arm of the second new tower; and setting up a second timber scaffold of which the height is at least 2 m higher than the height of a crossed tower near the crossed tower closest to a crossed charged high-voltage line, and hanging a second pulley at the top of the crossed tower. The bottom of the second pulley and the crossed charged high-voltage line on the crossed tower meet the safety distance 2.5m. The method has the advantages of reasonable design, low crossing project construction cost and high construction speed, meets the construction schedule requirement, and has a construction environment with higher safety.

Description

technical field [0001] The invention relates to a method for erecting high-voltage lines, in particular to a method for erecting lines across charged high-voltage lines in mountainous terrain. Background technique [0002] Many domestic high-voltage transmission line routes are often designed and selected in mountainous and hilly areas, avoiding the production and living areas of the people as much as possible. Although the construction of high-voltage transmission lines in mountainous areas effectively utilizes the land and reduces the construction area, it also increases the difficulty of construction. In addition, in the construction of high-voltage transmission lines, it is inevitable to encounter major cross-over construction problems, especially the erection of lines across the original high-voltage lines. The erection of new lines above needs to be considered by the majority of power grid project builders. [0003] At present, the method of erecting a full house of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/02
Inventor 姚变琴武爱民白山巍
Owner 山西太行建设开发有限公司
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