****毕业设计（论文）
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毕业设计(论文)
课 题 名 称 学 生 姓 名 学 号 系、年级专业 指 导 教 师 职 称
2014年 4 月 21 日
I
****毕业设计（论文）
摘 要
初步设计是工程设计的重要阶段，主要的设计原则都在初步设计中加以明确。本设计包括导线和地线的比载计算、临界档距判定、应力曲线和安装曲线绘制、导线防振设计、杆塔选型、杆塔基础设计、代表档距的计算，杆塔荷载的计算，接地装置的设计，金具的选取。在本次设计中，重点是线路设计，杆塔选型和基础设计，对杆塔的组立进行了简要的设计。
关键词： 导线；避雷线；比载；应力；弧垂；杆塔定位
I
****毕业设计（论文）
Abstract
The preliminary design is an important stage of engineering design, the main design principles are addressed in the preliminary design. This design includes wire and ground wire than load calculation, judgement of critical span, stress curve and curve drawing, installation wire vibration control design, selection of tower, tower foundation design, on behalf of the calculation of span, tower load calculation of grounding device design, selection of hardware. In this design, with a focus on the circuit design, selection of the tower and foundation design, the design of tower group made a brief.
Key words: conductor; Ground wire; Than the load; Stress; HuChui; Tower positioning
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****毕业设计（论文）
目 录
摘要 ..................................................................................................................... Ⅰ Abstract ................................................................................................................ Ⅱ 1 原始资料介绍 ................................................................................................... 1 1.1设计情况 ......................................................................................................... 1 1.2工程地质及地形情况 ..................................................................................... 1 1.3设计气象 ......................................................................................................... 2 1.4导线与地线 ..................................................................................................... 2 2 导地线的力学计算及曲线绘制 ....................................................................... 5 2.1导线力学计算及曲线绘制 ........................................................................... 5 2.2 地线力学计算及曲线绘制 .......................................................................... 11 3导线的防振设计 .............................................................................................. 18 3.1 微风振动的形成 .......................................................................................... 18 3.2 导线的振动方程 .......................................................................................... 18 3.3 影响导线振动的因素 .................................................................................. 18 3.4 防振措施 ...................................................................................................... 20 3.5 防振锤选取与安装 ...................................................................................... 20 4 杆塔型式的选择 ............................................................................................. 23 4.1 杆塔塔型选择的要求 .................................................................................. 23 4.2 杆塔在线路中的分类和用途 ...................................................................... 23 4.3 钢筋混凝土电杆 .......................................................................................... 24 4.4 杆塔荷载的计算 .......................................................................................... 25 5 杆塔基础的设计 ............................................................................................. 28 5.1 杆塔基础基本要求 ...................................................................................... 28 5.2 杆塔基础的材料 .......................................................................................... 29 5.3 杆塔基础型式 .............................................................................................. 30 5.4 基础的上拔计算 .......................................................................................... 30 6 绝缘子串和金具 ............................................................................................. 32 6.1 绝缘子串的选取 .......................................................................................... 32 6.2 挂线金具 ...................................................................................................... 33
****毕业设计（论文）
6.3 空气间隙 ...................................................................................................... 33 7 防雷与接地 ..................................................................................................... 34 7.1 防雷设计 ...................................................................................................... 34 7.2 接地设计 ...................................................................................................... 34 7.3 避雷线绝缘设计 .......................................................................................... 35 8 导线对地和交叉跨越距离 ............................................................................. 36 参考文献 ............................................................................................................. 38 附图一 路径走向图 附图二 平断面图
附图三 导线应力弧垂曲线图 附图四 导线安装曲线 附图五 地线应力弧垂曲线 附图六 地线安装曲线
致 谢 ................................................................................................................... 39