Unequal height cross-arm drilling-span pole tower for overhead transmission line

An overhead transmission line and cross-arm technology, which is applied to towers, building types, buildings, etc., can solve problems such as high project investment, difficult project implementation, and power outages

Inactive Publication Date: 2019-06-21
内蒙古鲁电蒙源电力工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some projects, there is no drilling plan due to the impossibility of drilling. It is necessary to increase the height of the drilled line, which involves power outages. The implementation of the project is difficult and the project investment is relatively high.

Method used

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  • Unequal height cross-arm drilling-span pole tower for overhead transmission line
  • Unequal height cross-arm drilling-span pole tower for overhead transmission line
  • Unequal height cross-arm drilling-span pole tower for overhead transmission line

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Embodiment Construction

[0026] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0027] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0028] In a typical embodiment of the present invention, such as Figure 1-2 As shown, this implementation prov...

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Abstract

The invention relates to an unequal height cross-arm drilling-span pole tower for an overhead transmission line. The unequal height cross-arm drilling-span pole tower for the overhead transmission line comprises a plurality of vertically arranged main rods; a high cross arm and a low cross arm are respectively and fixedly arranged at the upper parts and lower parts of the main rods; the higher cross arm is parallel to the low cross arm, and a height difference exists between the high cross arm and the low cross arm and can be adjusted according to the actual situations of spanning and drilling-span; the high cross arm is used for connecting a spanning-side lead, and low cross arm is used for connecting a drilling-span side lead; drainage lead parts are arranged between the high cross arm and the low cross arm; a safe distance is maintained between the drainage lead parts and the main rods. After the unequal height cross-arm drilling-span pole tower is adopted, the aim of realizing spanning and drilling-span of the pole tower at the same time can be achieved, and a set electric clearance is maintained between all charged bodies in the pole tower and a pole tower main body and between all the charged bodies and the ground, so that the safety of the pole tower is improved.

Description

technical field [0001] The invention belongs to the technical field of electric power equipment, and in particular relates to an overhead power transmission line unequal-height cross-arm drill-span pole tower. Background technique [0002] Overhead transmission lines refer to power lines that are erected on the ground and insulated by insulators and air. Compared with underground transmission lines, overhead lines have low construction costs, short construction periods, and are easy to repair and maintain. Therefore, overhead line transmission is the main transmission method adopted since the development of the electric power industry. The so-called transmission line usually refers to the overhead transmission line. Power stations, substations, and load points in different regions are connected through overhead lines to transmit or exchange electric energy to form power networks or distribution networks of various voltage levels. [0003] The inventor thinks that the heigh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H12/00E04H12/24
Inventor 徐震程秀举张涛苑国辉李大卫曹轩吴泽石宝荣乔宇平葛向东高峰陈杰李丞
Owner 内蒙古鲁电蒙源电力工程有限公司
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