CN102738735B - 220千伏线路单回直线塔更换避雷线挂点抱杆支架 - Google Patents

220千伏线路单回直线塔更换避雷线挂点抱杆支架 Download PDF

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CN102738735B
CN102738735B CN201210236576.9A CN201210236576A CN102738735B CN 102738735 B CN102738735 B CN 102738735B CN 201210236576 A CN201210236576 A CN 201210236576A CN 102738735 B CN102738735 B CN 102738735B
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kilovolt
hanging point
pillar
pole
lightning conducter
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CN102738735A (zh
Inventor
刘明慧
罗孝楚
于鑫
叶丽君
李林
李晨明
王昌春
赵君
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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Abstract

本发明提供一种220千伏线路单回直线塔更换避雷线挂点抱杆支架，其结构为，抱杆的底端设有下支撑管，抱杆上设有外护管，外护管连接有拉力圆钢和拉力环；外护管的一侧设有支撑板。本发明更换挂点简便快捷，完成220千伏线路保护角减小，提高避雷线保护范围。同时重量轻、操作方便，大幅提高施工效率，减小作业人员人劳动强度，在其它同类型铁塔线路上通用。

Description

220千伏线路单回直线塔更换避雷线挂点抱杆支架
技术领域
[0001] 本发明涉及一种抱杆支架，尤其涉及一种220千伏线路单回直线塔更换避雷线挂点抱杆支架。
背景技术
[0002] 为降低线路雷击跳闸率，减小输电线路避雷线的保护角，将220千伏单回直线塔的避雷线挂点向铁塔外侧延伸，使保护角由15度左右降到5度以内。施工更换挂点时需将避雷线的荷载转移到支架上，以便于挂点更换，由于将220千伏单回直线塔的避雷线挂点向铁塔外侧延伸，改变了原有铁塔架空地线横担的结构，塔型各异，目前没有可适用于线路各种直线塔，且在材质、强度、重量、安装方便程度上都能满足要求的合适工具。
发明内容
[0003] 本发明针对上述现有技术中存在的问题，提供一种220千伏线路单回直线塔更换避雷线挂点抱杆支架，解决了现有技术中更换挂点繁琐的问题。
[0004] 本发明的技术方案如下:
[0005] 抱杆的底端设有下支撑管，抱杆上设有外护管，外护管连接有拉力圆钢和拉力环；外护管的一侧设有支撑板。
[0006] 所述的下支撑管与下支撑板连接。
[0007] 本发明的有益效果如下:
[0008] 更换挂点简便快捷，完成220千伏线路保护角减小，提高避雷线保护范围。同时重量轻、操作方便，大幅提高施工效率，减小作业人员人劳动强度，在其它同类型铁塔线路上通用。
附图说明
[0009] 图1为本发明的结构示意图。
[0010]图中，1、抱杆，2、外护管，3、支撑板，4、下支撑管，5、下支撑板，6、拉力圆钢，7、拉力环。
具体实施方式
[0011] 参照附图，结合具体实施例，对本发明作进一步详细说明。
实施例
[0012] 如图1所示，抱杆I的底端设有下支撑管4，下支撑管4与下支撑板5连接；抱杆I上设有外护管2，外护管2连接有拉力圆钢6和拉力环7 ;外护管2的一侧设有支撑板3。

Claims (2)

1.220千伏线路单回直线塔更换避雷线挂点抱杆支架，其特征在于抱杆的底端设有下支撑管，抱杆上设有外护管，外护管连接有拉力圆钢和拉力环；外护管的一侧设有支撑板。
2.根据权利要求1所述的220千伏线路单回直线塔更换避雷线挂点抱杆支架，其特征在于所述的下支撑管与下支撑板连接。
CN201210236576.9A 2012-07-10 2012-07-10 220千伏线路单回直线塔更换避雷线挂点抱杆支架 Active CN102738735B (zh)

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CN103855643B (zh) * 2014-02-13 2017-04-05 国家电网公司 带电加宽220kV铁塔塔头作业方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101771243A (zh) * 2009-01-06 2010-07-07 哈尔滨电业局 隔离开关检修抱杆
CN102136697A (zh) * 2010-12-27 2011-07-27 袁昌辉 高压架空线路跨越带电线路搭接输送装置
CN202696054U (zh) * 2012-07-10 2013-01-23 辽宁省电力有限公司丹东供电公司 220千伏线路单回直线塔更换避雷线挂点抱杆支架

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101771243A (zh) * 2009-01-06 2010-07-07 哈尔滨电业局 隔离开关检修抱杆
CN102136697A (zh) * 2010-12-27 2011-07-27 袁昌辉 高压架空线路跨越带电线路搭接输送装置
CN202696054U (zh) * 2012-07-10 2013-01-23 辽宁省电力有限公司丹东供电公司 220千伏线路单回直线塔更换避雷线挂点抱杆支架

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