Method for dismantling V-shaped guyed tower

A technology for pulling towers and temporary pulling wires, applied in the directions of towers, building types, buildings, etc., can solve the problems of terrain restrictions and construction difficulties in the demolition of V-shaped cable towers, and achieve the effect of reducing construction difficulties and solving terrain restrictions.

Inactive Publication Date: 2020-04-14
广东电网能源发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a method for dismantling a V-shaped cable tower, which is used to solve the technical problem that the existing V-shaped cable tower dismantling operation is restricted by terrain, resulting in difficult construction

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  • Method for dismantling V-shaped guyed tower
  • Method for dismantling V-shaped guyed tower
  • Method for dismantling V-shaped guyed tower

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Embodiment Construction

[0039] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0040] For ease of understanding, see figure 1 , an embodiment of a distribution network reliability assessment method based on feeder capacity constraints provided by the present application, comprising the following steps:

[0041] Step 101: Use the new iron tower assembled within the preset range of the V-shaped cable tower to be removed as the suspension point...

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Abstract

The invention discloses a method for dismantling a V-shaped guyed tower. According to the method, a new iron tower adjacent to the V-shaped guyed tower to be dismantled is used as a suspension point of a hoisting pulley, temporary guy wires for fixing the V-shaped guyed tower to be dismantled are installed, the V-shaped guyed tower to be dismantled is adjusted to incline towards the new iron towerby a preset angle through the temporary guy wires so as to be lower than the new iron tower, the V-shaped guyed tower is dismantled in batches, and dismantled parts are conveyed to the target site through the hoisting pulley. There is no need to directly lay down the tower or transport large-scale mechanical equipment into the dismantling site of the V-shaped guyed tower to be dismantled, so thatthe construction difficulty degree of the dismantling operation of the V-shaped guyed tower is reduced, and the technical problem that the existing dismantling operation of the V-shaped guyed tower is limited by topography and consequently construction is difficult is solved.

Description

technical field [0001] The present application relates to the technical field of power tower maintenance, in particular to a method for removing a V-shaped cable tower. Background technique [0002] V-shaped guyed tower, that is, guyed V-shaped tower, is a tower that uses two V-shaped columns to support wires and overhead ground wires and improves stability by guyed wires. It is often used in 500kV lines, and it is also used in a small amount in 220kV. [0003] In the traditional V-shaped cable tower, the load of the V-shaped cable tower is more or less designed according to the guidelines of the 1970s, which is lower than the current design standard, and the safety margin is small. There are accidents that occur in the cross-arm of the V-shaped cable tower. Risk, therefore, of requiring demolition work on V-guy towers that do not meet design criteria. At present, the dismantling of V-shaped cable towers is to use large-scale machinery (such as cranes) to directly dismantle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H12/34
CPCE04H12/34E04H12/348
Inventor 丘丹王明新陈川卓高智杨龙辉谢争云张耀廖子毅
Owner 广东电网能源发展有限公司
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