WO2015058441A1 - 一种不掉线紧凑型复合杆塔 - Google Patents

一种不掉线紧凑型复合杆塔 Download PDF

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Publication number
WO2015058441A1
WO2015058441A1 PCT/CN2013/088912 CN2013088912W WO2015058441A1 WO 2015058441 A1 WO2015058441 A1 WO 2015058441A1 CN 2013088912 W CN2013088912 W CN 2013088912W WO 2015058441 A1 WO2015058441 A1 WO 2015058441A1
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Prior art keywords
insulator
suspension
cross
composite
tower
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PCT/CN2013/088912
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English (en)
French (fr)
Inventor
虞育号
张广全
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江苏智达高压电气有限公司
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Publication of WO2015058441A1 publication Critical patent/WO2015058441A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/24—Cross arms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/08—Structures made of specified materials of metal
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/05—Suspension arrangements or devices for electric cables or lines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers

Definitions

  • the present invention relates to a composite pole tower, and more particularly to a non-dropping compact composite tower for overhead transmission of an AC/DC power transmission and transformation system or related equipment.
  • FIG 1-1 is a schematic view showing the structure of a conventional composite tower.
  • Figure 2-1 is an enlarged schematic view of a portion of a conventional composite tower.
  • the existing composite rods have a large foundation of iron towers, a large area, and a large transmission space corridor.
  • Most of the cross-arm insulators have a solid structure, and have disadvantages such as poor rigidity and large deflection.
  • the object of the present invention is to adopt the following technical solution: a compact cable-type composite tower, which is characterized in that: the composite tower comprises a main tower, a cross arm, a connecting member, a cross-arm hollow composite insulator and a suspension insulator, a cross arm and The connecting member is directly fixed on the main tower; the bottom end of the cross-arm hollow composite insulator is fixed on the connecting member, and the suspension insulator is suspended on the cross arm and suspended by the top end of the cross-arm hollow composite insulator.
  • the cross arm is fixed to the top of the main tower; the suspension insulator is suspended.
  • the connecting member is disposed from the top to the bottom in the axial direction of the main tower.
  • the cross-arm hollow composite insulator is composed of an inner insulating tapered glass fiber reinforced plastic, an outer insulating silicone rubber shed and an end metal flange; the tapered hollow composite insulating cylinder is filled with an insulating material, and a set of airbags is arranged in the insulating material;
  • the top flange is provided with a cable card slot connected to the suspension insulator; the flanges at both ends of the cross-arm hollow composite insulator are made of a special glued structure (such as internal and external glue).
  • the suspension insulator is connected and suspended up and down by the cross flange of the cross-arm hollow composite insulator cone.
  • Suspension insulators are suspension composite insulators or suspension ceramic insulators or suspension glass insulators or suspension ceramic rod insulators.
  • the cross arm and the connecting member are directly fixed on the main tower, and then the cross-arm composite insulator is fixed.
  • the suspension insulator is finally installed on the cross arm, and the suspension type is connected by a suspension insulator.
  • the purpose is to suspend the connection by using a suspension insulator between the phases, which can increase the transmission circuit and Reduce the transmission space corridor, and make it no risk of dropped wires, thus avoiding wind deviation, galloping and pollution flashing accidents, and improving the safe operation level of the line.
  • the insulator is mounted by a reasonable design of the connector so as to have a certain upward tilt angle to improve the mechanical load-bearing level of the cross-arm hollow composite insulator.
  • the invention effectively solves the problems of large area of the composite tower, large rigidity of the transmission space corridor and poor rigidity of the cross-arm hollow composite insulator, reducing the insulation distance, increasing the transmission circuit and solving the risk of disconnection, and At the same time, avoid accidents caused by wind, gallop and pollution flashes, improve the safe operation level of the line, and improve product reliability.
  • Figure 1-1 is a schematic view showing the structure of a conventional composite tower.
  • Figure 1-2 is a schematic view of the structure of the present invention.
  • Figure 2-1 is an enlarged schematic view of a portion of a conventional composite tower.
  • Figure 2-2 is a partially enlarged schematic view of the present invention. detailed description
  • a compact composite tower that does not drop refer to Figures 1-2 and 2-2.
  • the composite tower is mainly composed of a main tower 1, a cross arm 5, a connecting member 2, a cross-arm hollow composite insulator 3, and a suspension insulator 4.
  • the cross arm 5 and the connecting member 2 are directly fixed on the main tower, and the cross arm is fixed on the top of the main tower to suspend the suspension insulator.
  • the connecting member is disposed from the top to the bottom in the axial direction of the main tower. Then, the cross-arm composite insulator is fixed on the connecting member so as to be installed with a certain upward inclination angle, so as to improve the mechanical load-bearing level of the cross-arm hollow composite insulator.
  • the suspension insulator is installed on the cross arm, and the suspension insulator is connected by a suspension insulator.
  • the purpose is to suspend the connection by using the suspension insulators between the phases, which can increase the transmission circuit and reduce the transmission space corridor. And make it no risk of dropping the line, and thus avoid wind deviation, galloping and pollution flashing accidents, and improve the safe operation level of the line.
  • the cross-arm hollow composite insulator is composed of an inner insulating tapered glass fiber reinforced plastic, an outer insulating silicone rubber shed and an end metal flange; the tapered hollow composite insulating cylinder is filled with an insulating material, A set of airbags is arranged in the insulating material; a cable card slot connected with the suspension insulator is arranged on the flange of the top of the cone; the flanges of the two ends of the cross-arm hollow composite insulator are specially glued (such as inner and outer glue).
  • the suspension insulator is connected and suspended up and down by the cross flange of the cross-arm hollow composite insulator cone.
  • Suspension insulators are suspension composite insulators or suspension ceramic insulators or suspension glass insulators or suspension ceramic rod insulators.
  • the invention effectively solves the problems that the former composite pole tower has a large area, the transmission space corridor is large (compared with FIG. 1-1 and FIG. 1-2, L>L ') and the cross-arm hollow composite insulator has poor rigidity, and the insulation distance is reduced.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Insulators (AREA)

Abstract

一种不掉线紧凑型复合杆塔，主要由主塔（1）、横担（5）、连接件（2）、横担空心复合绝缘子（3）和悬式绝缘子（4）构成，其中横担（5）和连接件（2）直接固定在主塔（1）上，然后把横担复合空心绝缘子（3）固定在连接件（2）上，在横担（5）上安装悬式绝缘子（4），并采用悬式绝缘子（4）逐级接力悬挂的连接方式。通过各相之间采用悬式绝缘子逐级接力悬挂连接，可增加输电回路和减少输电空间走廊，并使其没有掉线风险，进而避免风偏、舞动，提高线路安全运行水平。

Description

一种不掉线紧凑型复合杆塔 技术领域 本发明涉及一种复合杆塔， 具体地说是一种用于交直流输变电系统或相关 其设备的架空输电的不掉线紧凑型复合杆塔。
背景技术 随着电网的发展， 输电线路工程呈现出长距离、 规模化、 大容量的发展趋 势， 近些年， 采用复合材料制造的复合杆塔由于具有强度高、 重量轻、 耐腐蚀、 易加工、 可设计性强、 绝缘性能好及安装运输方便等特点， 在输变电领域逐渐 兴起。 图 1-1是现有的复合杆塔的结构示意图。 图 2-1是现有的复合杆塔部分 放大示意图。 但是现有的复合杆存在铁塔基础大， 占地面积大、 输电空间走廊 大， 横担绝缘子大多采用实心结构， 存在着刚性差、 挠度大等缺点。
发明内容 为了克服现有技术中的不足之处， 本发明的目的是提供一种不掉线紧凑型 复合杆塔， 该紧凑型复合杆塔不掉线、 增加输送回路且能防止导线风偏舞动。
本发明的目的是采用如下技术方案： 一种不掉线紧凑型复合杆塔， 其特征在于： 该复合杆塔包括主塔、 横担、 连接件、 横担空心复合绝缘子和悬式绝缘子， 横担和连接件直接固定在主塔上; 横担空心复合绝缘子的底端固定在连接件上， 悬式绝缘子悬挂在横担上并通过 横担空心复合绝缘子的顶端逐级接力悬挂。
本发明中， 横担固定在主塔的顶部； 使其悬挂悬式绝缘子。 连接件由上而 下沿主塔的轴向设置。
横担空心复合绝缘子由内绝缘锥形玻璃钢、 外绝缘硅橡胶伞裙和端部金属 法兰组成； 在锥形空心复合绝缘筒内部填充有绝缘材料， 在绝缘材料中设有一 组气囊； 在锥顶部法兰上设有与悬式绝缘子连接的线缆卡槽； 横担空心复合绝 缘子两端法兰采用特殊胶装结构 （如内外胶装） 。 悬式绝缘子通过横担空心复 合绝缘子锥顶部法兰上下连接和悬挂。 悬式绝缘子是悬式复合绝缘子或悬式瓷 质绝缘子或悬式玻璃绝缘子或悬式瓷质棒型绝缘子。
本发明中， 横担和连接件直接固定在主塔上， 然后把横担复合绝缘子固定 在连接件上， 最后在横担上安装悬式绝缘子， 并采用悬式绝缘子逐级接力悬挂 连接形式， 其目的是通过各相之间采用悬式绝缘子逐级接力悬挂连接， 可增加 输电回路和减少输电空间走廊， 并使其没有掉线风险， 进而避免风偏、 舞动和 污闪事故， 提高线路安全运行水平。
所述绝缘子通过连接件的合理设计， 使其具备一定的向上倾斜角安装， 以 利于提高横担空心复合绝缘子机械承载水平。
与现有技术相比， 本发明具有有效解决了以前复合杆塔占地面积大， 输电 空间走廊大和横担空心复合绝缘子刚性差等问题， 减少绝缘距离， 增加输电回 路和解决了掉线风险， 并同时避免风偏、 舞动和污闪等引起的事故， 提高线路 安全运行水平， 提高产品可靠性。
本发明用于交直流输变电系统或相关其设备的架空输电的复合杆塔中。 附图说明 图 1-1是现有的复合杆塔的结构示意图。 图 1-2是本发明结构示意图。 图 2-1是现有的复合杆塔部分放大示意图。 图 2-2是本发明部分放大示意图。 具体实施方式
一种不掉线紧凑型复合杆塔， 参照图 1-2和图 2-2。 复合杆塔主要由主塔 1、 横担 5、 连接件 2、 横担空心复合绝缘子 3和悬式绝缘子 4构成。 其中横担 5 和连接件 2直接固定在主塔上， 横担固定在主塔的顶部， 使其悬挂悬式绝缘子。 连接件由上而下沿主塔的轴向设置。 然后把横担复合绝缘子固定在连接件上， 使其具备一定的向上倾斜角安装， 以利于提高横担空心复合绝缘子机械承载水 平。 最后在横担上安装悬式绝缘子， 并采用悬式绝缘子逐级接力悬挂连接形式， 其目的是通过各相之间采用悬式绝缘子逐级接力悬挂连接， 可增加输电回路和 减少输电空间走廊， 并使其没有掉线风险， 进而避免风偏、 舞动和污闪事故， 提高线路安全运行水平。 横担空心复合绝缘子由内绝缘锥形玻璃钢、 外绝缘硅 橡胶伞裙和端部金属法兰组成； 在锥形空心复合绝缘筒内部填充有绝缘材料， 在绝缘材料中设有一组气囊； 在锥顶部法兰上设有与悬式绝缘子连接的线缆卡 槽； 横担空心复合绝缘子两端法兰采用特殊胶装结构 （如内外胶装） 。 悬式绝 缘子通过横担空心复合绝缘子锥顶部法兰上下连接和悬挂。 悬式绝缘子是悬式 复合绝缘子或悬式瓷质绝缘子或悬式玻璃绝缘子或悬式瓷质棒型绝缘子。
本发明具有有效解决了以前复合杆塔占地面积大， 输电空间走廊大 （如图 1-1 与图 1-2比较， L〉L ' ) 和横担空心复合绝缘子刚性差等问题， 减少绝缘距离 (如图 1-1与图 1-2比较， h=h ' Η=Η ' )， 增加输电回路（如图 2-1与图 2-2比较， a=a ' b=B=b ' =Β ' )和解决了掉线风险， 并同时避免风偏、 舞动和污闪等引起的 事故， 提高线路安全运行水平， 提高产品可靠性。

Claims

1、 一种不掉线紧凑型复合杆塔， 其特征在于： 该复合杆塔包括主塔
( 1 ) 、 横担 （5) 、 连接件 （2) 、 横担空心复合绝缘子 （3) 和悬式绝缘子
(4) ， 横担 （5) 和连接件 （2) 直接固定在主塔 （1 ) 上； 横担空心复合绝缘 子 （3) 的底端固定在连接件 （2) 上， 悬式绝缘子 （4) 悬挂在横担 （5) 上并 通过横担空心复合绝缘子 （3) 的顶端逐级接力悬挂。
2、 根据权利要求 1所述的不掉线紧凑型复合杆塔， 其特征在于： 横担空心 复合绝缘子 （3) 由内绝缘锥形玻璃钢、 外绝缘硅橡胶伞裙和端部金属法兰组成; 在锥形空心复合绝缘筒内部填充有绝缘材料， 在绝缘材料中设有一组气囊； 在 锥顶部法兰上设有与悬式绝缘子 （4) 连接的线缆卡槽； 横担空心复合绝缘子
( 3) 两端法兰采用胶装结构。
3、 根据权利要求 2所述的不掉线紧凑型复合杆塔， 其特征在于： 悬式绝缘 子 （4) 通过横担空心复合绝缘子 （3) 锥顶部法兰上下连接和悬挂。
4、 根据权利要求 2所述的不掉线紧凑型复合杆塔， 其特征在于： 悬式绝缘 子 （4) 是悬式复合绝缘子或悬式瓷质绝缘子或悬式玻璃绝缘子或悬式瓷质棒型 绝缘子。
5、 根据权利要求 2所述的不掉线紧凑型复合杆塔， 其特征在于： 横担
( 5) 固定在主塔 （1 ) 的顶部； 连接件 （2) 由上而下沿主塔 （1 ) 的轴向设置。
6、 根据权利要求 2所述的不掉线紧凑型复合杆塔， 其特征在于： 横担空心 复合绝缘子 （3) 向上倾斜地安装在连接件 （2) 上。
PCT/CN2013/088912 2013-10-25 2013-12-10 一种不掉线紧凑型复合杆塔 WO2015058441A1 (zh)

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CN113047682A (zh) * 2021-03-30 2021-06-29 国网河南省电力公司西峡县供电公司 一种低塔身双回路钻越塔

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113047682A (zh) * 2021-03-30 2021-06-29 国网河南省电力公司西峡县供电公司 一种低塔身双回路钻越塔

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