220kV锡淮双分裂输电线路设计

论文总字数：27086字

摘 要

本设计主要分析架空输电线路设计的内容，并根据工作的内容进行设计阶段。设计包括导线和接地线的应力挠度，并绘制应力挠度曲线。选择塔架类型，包括直线杆塔架类型和张力杆塔架类型，并确定其附件。随后，创建倾斜模板以执行塔的内部定位。完成转向杆的设计后，检查转向杆头的尺寸，转向杆的强度和基本稳定性设计。最后，进行生产线防振设计。

关键词：导线；地线；杆塔；金具；排杆定位；防振

Design of 220 kV Xi Huai double split transmission line

Abstract

This design mainly talks about the content of overhead transmission lines.The steps in the design are carried out according to the work content in the assignment.This design includes stress sag of conductor and ground wire, and draw stress sag curve.The selection of tower type includes linear tower type and tension tower type,Determine the corresponding fittings.Then make the sag template,Indoor positioning of tower.Check the dimension of the tension bar head after the bar arrangement,Strength and foundation stability design of tension bar,Finally, the anti vibration design of the line is carried out.

Key words: conductor; Ground wire; Tower; Fittings; The positioning of row pole; Anti vibration

目 录

摘要..........................................................................Ⅰ

Abstract.......................................................................Ⅱ

1. 前 言..................................................................1
   1. 设计内容...............................................................1
   2. 设计参数和选题背景.....................................................1
2. 导线设计...............................................................2

2.1 计算导线应力和弧垂.....................................................2

2.1.1 导线比载的计算...................................................2

2.1.2计算临界档距，判断控制条件........................................5

2.1.3 计算导线应力弧垂.................................................6

2.2 避雷线应力和弧垂计算...................................................16

2.2.1 比载计算.........................................................17

2.2.2 避雷线应力弧垂计算...............................................20

第三章 杆塔设计...............................................................23

3.1 制作弧垂曲线模板.......................................................24

3.1.1 弧垂曲线模板.....................................................24

3.1.2 计算K值.........................................................25

3.1.3 杆塔的定位高度...................................................25

3.2 排杆定位...............................................................26

3.2.1 用弧垂曲线模板排定直线杆塔位.....................................26

3.2.2 杆塔的定位原则...................................................27

3.3 排杆定位...............................................................28

3.4 耐张杆塔塔头尺寸校验...................................................29

3.4.1 荷载分类.........................................................29

3.4.2 荷载计算.........................................................29

第四章 绝缘子串及金具的选择...................................................31

4.1 绝缘子串的选择.........................................................31

4.2 绝缘子片数的选择.......................................................31

4.3 金具选择表.............................................................31

4.4 地线规格及金具.........................................................32

第五章 基础定性设计...........................................................32

5.1 杆塔基础设计...........................................................32

5.2下压力基础的计算.......................................................33

5.2.1 地基土的允许承载应力.............................................33

5.2.2 基础底面的压力...................................................33

5.2.3 地基受压强度的校验...............................................33

第六章 防振设计...............................................................35

6.1 防振设计...............................................................35

6.1.2 防振锤个数的选择.................................................35

6.2 以第二耐张段为例进行防振设计...........................................36

致谢..........................................................................38

参考文献......................................................................39

附录..........................................................................40

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