WO2012100595A1 - 一种瓷棒式绝缘子更换工具 - Google Patents

一种瓷棒式绝缘子更换工具 Download PDF

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Publication number
WO2012100595A1
WO2012100595A1 PCT/CN2011/083180 CN2011083180W WO2012100595A1 WO 2012100595 A1 WO2012100595 A1 WO 2012100595A1 CN 2011083180 W CN2011083180 W CN 2011083180W WO 2012100595 A1 WO2012100595 A1 WO 2012100595A1
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Prior art keywords
card
insulator
assembly
porcelain
rod
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PCT/CN2011/083180
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English (en)
French (fr)
Inventor
闫旭东
张珣
胡川
王星超
胡振
Original Assignee
湖北省电力公司超高压输变电公司
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Application filed by 湖北省电力公司超高压输变电公司 filed Critical 湖北省电力公司超高压输变电公司
Publication of WO2012100595A1 publication Critical patent/WO2012100595A1/zh

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Definitions

  • the invention relates to an insulator replacement tool, in particular to a porcelain rod insulator replacement tool.
  • the structural design form of the same tower double-circuit is widely adopted, which not only improves the transmission capacity per unit area of the line corridor, but also meets the power transmission demand, and reduces the overall cost and Line corridor requirements.
  • the ceramic rod insulator on the double-circuit DC transmission line of the same tower there is no working tool suitable for replacing a single ceramic rod insulator.
  • the porcelain rod insulator has a large weight, when the conventional work tool is used, it is necessary to power off the entire transmission line, and the work of replacing the single insulator is performed by placing seven porcelain rod insulators on the ground at the same time. . In this way, it takes a long time and has many operators, which affects the safe and stable operation of the line.
  • the embodiment of the invention provides a porcelain rod insulator replacement tool.
  • the technical solution is as follows:
  • a porcelain rod insulator replacement tool comprises: a front card, a rear card and a take-up system, the two ends of the wire receiving system are respectively connected with the front card and the rear card, and further comprises a lifting system, the lifting system and the front The card and / or the rear card are connected.
  • the lifting system includes two sets of tripod assemblies and two trolleys, and the two sets of tripod assemblies are respectively fixed on the front card and the rear card, and the two trolleys are respectively hung on the two sets of tripod assemblies, so that two
  • the lift system consisting of a tripod assembly and two trolleys provides two lifting points.
  • the steel rod insulator can be lifted to the desired position by the steel rope, which solves the problem of replacing the porcelain due to the large weight of the porcelain rod insulator.
  • the entire transmission line needs to be powered off, and the problem of replacing a single insulator is performed by placing seven porcelain rod insulators on the ground at the same time.
  • the utility model further comprises a connecting rod, the two ends of the connecting rod are respectively connected with the two sets of tripod assemblies, and the two sets of tripod assemblies are connected by the connecting rod, the strength is higher, thereby providing a more stable lifting point.
  • the utility model further comprises a hook assembly, the hook assembly is connected at one end to the front card and/or the rear card, and the other end is connected to the porcelain
  • the rod-shaped insulator groove is matched with the hook structure, so that when the insulator is replaced, the hook-shaped structure end of the hook assembly is hooked on the side parallel ceramic rod insulator groove, which can effectively maintain the balance of the replacement tool.
  • the middle portion of the hook assembly is a retractable screw structure, so that the length of the calcium hook assembly can be adjusted according to actual conditions to ensure that the balance of the replacement tool can be effectively maintained.
  • the take-up system is composed of a hydraulic telescopic assembly and a retractable screw assembly, and the piston rod of the hydraulic telescopic assembly is connected to the screw of the retractable screw assembly, thereby reducing hydraulic expansion and contraction
  • the volume of the hydraulic cylinder of the assembly reduces the construction space occupied by the take-up system, providing more operating space for the operator.
  • the embodiment of the present invention solves the problem that the porcelain rod insulator has a larger weight by adding a lifting system to the front card and/or the rear card.
  • the entire transmission line needs to be powered off.
  • the present invention can be applied to stop and electrify replacement.
  • the time required for the operation process is greatly shortened, the number of operators is greatly reduced, the cost is reduced, and the single-piece ceramic rod insulator can be replaced by the electric charge; and the added hook assembly can effectively maintain the present
  • the balance of the replacement tool on the other hand, the original full hydraulic take-up system is improved into the combined take-up system, which reduces the construction space occupied by the take-up system, provides more operating space for the operator, and uses more Convenience.
  • FIG. 1 is a schematic view showing the structure of a porcelain rod insulator replacement tool provided in an embodiment of the present invention
  • FIG. 2 is a side view of FIG.
  • FIG. 3 is a schematic structural view of a hook assembly in an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a lifting system in an embodiment of the present invention.
  • Figure 5 is a side elevational view of Figure 3;
  • Figure 6 is a top plan view of Figure 3.
  • the 2 associative further includes a lifting system 4, which is connected to the front card 1 and the rear card 2.
  • the lifting system 4 includes two sets of tripod assemblies 41 and two trolleys 42, respectively, which are respectively fixed on the front card 1 and the rear card 2, and the two pulleys 42 are respectively hung on the two sets of tripod assemblies.
  • the lifting system 4 consisting of two sets of tripod assembly 41 and two trolleys 42 provides two lifting points, and the steel rod insulator can be lifted to the desired position by the steel wire, thereby solving the problem of the ceramic rod type.
  • the weight of the insulator is large, which leads to the power failure of the entire transmission line when replacing the ceramic rod insulator.
  • the problem of replacing the individual insulators is solved by placing seven ceramic rod insulators on the ground at the same time (see Fig. 2).
  • the present invention further includes a connecting rod 43.
  • the two ends of the connecting rod 43 are respectively connected with two sets of tripod assemblies 41. After the two sets of tripod assemblies 41 are connected by the connecting rods 43, the strength is higher, thereby providing more stability. Hanging point (see Figure 4).
  • the present invention further includes a hook assembly 5, wherein the two hook assemblies are connected to the front card 1 and the rear card 2, respectively, and the other end is a hook structure 51 matched with the porcelain rod insulator groove.
  • the hook-shaped end of the hook assembly is hooked to the side parallel ceramic rod insulator groove, which can effectively maintain the balance of the replacement tool (see Fig. 2).
  • the middle portion of the hook assembly 5 is a retractable screw structure 52, so that the length of the hook assembly 5 can be adjusted according to actual conditions to ensure that the balance of the replacement tool can be effectively maintained.
  • the above-mentioned take-up system 3 is composed of a hydraulic telescopic assembly 31 and a retractable screw assembly 32, and the piston rod of the hydraulic telescopic assembly 31 is connected to the screw of the retractable screw assembly 32.
  • the volume of the hydraulic cylinder of the hydraulic telescopic assembly 31 can be reduced, thereby reducing the construction space occupied by the take-up system 3, and providing more operating space for the operator (see FIG. 2).
  • the front card 1 and the rear card 2 of the replacement tool are respectively fixed to the metal joints at both ends of the porcelain rod insulator 6; then, one ends of the two hook assemblies 5 are respectively The front card 1 and the rear card are connected, and the hook structure 51 at the other end hooks the groove of the side parallel ceramic rod insulator 6 and tightens the retractable screw structure 52 of the middle portion to maintain the balance of the replacement tool.
  • the two sets of tripod assemblies 41 are respectively fixed on the front card 1 and the rear card 2, and the two ends of the connecting rod 43 are respectively connected with the two sets of tripod assemblies 41, and the two pulleys 42 are respectively suspended in two sets.
  • the tripod assembly 41 is provided to provide a replacement of the ceramic rod insulator 6 lifting point.
  • the telescopic screw assembly 32 of the take-up system 3 is manually pre-tensioned; then the take-up system 3 is passed.
  • the hydraulic expansion and contraction unit 31 performs the tensioning force, and transfers the tension of the porcelain.
  • the steel rod is then tied to both ends of the ceramic rod insulator 6 to be replaced, and the ceramic rod type is lifted by the pulley 42 of the lifting system 4.
  • the bowl head of the insulator 6 is smoothly taken out and lowered to the ground; then the new porcelain rod insulator 6 is hoisted to the line for replacement; finally, the replacement tool can be removed after the replacement is completed. (See Figure 2).

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  • Electric Cable Installation (AREA)

Description

一种瓷棒式绝缘子更换工具 技术领域
本发明涉及一种绝缘子更换工具, 特别涉及一种瓷棒式绝缘子更换工具。
背景技术
目前, 在超高压输电线路工程改造和新建线路工程设计中, 广泛采用了同塔双回的 结构设计形式,不仅提高了线路走廊单位面积输送容量,满足了电力输送需求,而且减少了 综合造价和线路走廊需求。 但由于该同塔双回直流输电线路上的瓷棒式绝缘子应用时间 较短, 所以暂时没有适合更换单个瓷棒式绝缘子的作业工器具。 而且由于该瓷棒式绝缘 子重量较大, 所以在使用传统的作业工器具时, 需要对整条输电线路进行停电, 通过将 七个瓷棒式绝缘子同时放至地面, 从而进行更换单个绝缘子的工作。 这样, 耗费的时间 长、 作业人员多, 影响线路安全、 稳定运行。
发明内容
为了解决现有技术中由于瓷棒式绝缘子重量较大, 导致更换瓷棒式绝缘子时, 需对 整条输电线路进行停电, 通过将七个瓷棒式绝缘子同时放至地面, 从而进行更换单个绝 缘子的工作的问题, 本发明实施例提供了一种瓷棒式绝缘子更换工具。 所述技术方案如 下:
一种瓷棒式绝缘子更换工具, 包括: 前卡、 后卡和收线***, 所述收线***两端分 别与前卡和后卡相联, 还包括升吊***, 该升吊***与前卡和 /或后卡相连。
具体地, 所述升吊***包括两套三脚架组件和两个滑车, 所述两套三脚架组件分别 固定在前卡和后卡上, 所述两个滑车分别挂在两套三脚架组件上, 这样两套三脚架组件 和两个滑车所组成的升吊***提供了两个吊点, 通过钢绳可将瓷棒式绝缘子升吊到所需 位置, 解决了由于瓷棒式绝缘子重量较大, 导致更换瓷棒式绝缘子时, 需对整条输电线 路进行停电, 通过将七个瓷棒式绝缘子同时放至地面, 从而进行更换单个绝缘子的工作 的问题。
进一步地, 还包括连杆, 该连杆两端分别与两套三脚架组件相连, 两套三脚架组件 通过该连杆连接后, 强度更高, 从而提供更稳定的吊点。
进一步地, 还包括挂钩组件, 该挂钩组件一端与前卡和 /或后卡相连, 另一端为与瓷 棒式绝缘子凹槽相配合的钩状结构, 这样更换绝缘子时, 该挂钩组件的钩状结构端勾住 旁侧平行的瓷棒式绝缘子凹槽处, 能有效地保持本更换工具的平衡。
再进一步地, 所述所述挂钩组件的中部为可伸縮的丝杆结构, 这样可根据实际情况 调节钙挂钩组件的长度, 以保证能有效地保持本更换工具的平衡。
再进一步地, 所述收线***由液压伸縮组件和可伸縮的丝杆组件组成, 所述由液压 伸縮组件的活塞杆与可伸縮的丝杆组件的丝杆相连, 这样, 可减小液压伸縮组件的液压 缸的体积, 进而减小收线***所占的施工空间, 为作业人员提供更多的操作空间。
本发明实施例提供的技术方案带来的有益效果是: 相比现有技术, 本发明实施例通 过在前卡和 /或后卡加设升吊***, 解决了由于瓷棒式绝缘子重量较大, 导致更换瓷棒式 绝缘子时, 需对整条输电线路进行停电, 通过将七个瓷棒式绝缘子同时放至地面, 从而 进行更换单个绝缘子的工作的问题, 本发明可应用到停、 带电更换耐张瓷棒式绝缘子作 业当中, 作业过程所需时间大大縮短, 作业人员大幅度减少, 降低了成本, 并可以实现 带电更换单片瓷棒式绝缘子; 而且加设的挂钩组件能有效地保持本更换工具的平衡; 再 一方面, 将原来的全液压式收线***改进为本组合式收线***, 减小收线***所占的施 工空间, 为作业人员提供更多的操作空间, 使用更方便。
附图说明
图 1是本发明实施例中提供的瓷棒式绝缘子更换工具的使用状态结构示意图; 图 2是图 1的侧视结构示意图;
图 3是本发明实施例中挂钩组件的结构示意图;
图 4是本发明实施例中升吊***的结构示意图;
图 5是图 3的侧视结构示意图;
图 6是图 3的俯视结构示意图。
图中, 1前卡, 2后卡, 3收线***, 31液压伸縮组件, 32可伸縮的丝杆组件, 4 升吊***, 41三脚架组件, 42滑车, 43连杆, 5挂钩组件, 51钩状结构, 52可伸縮的 丝杆结构, 6瓷棒式绝缘子。
具体实施方式
为使本发明的目的、 技术方案和优点更加清楚, 下面将结合附图对本发明实施方式 作进一步地详细描述。 如图 1所示, 本发明提供的一种瓷棒式绝缘子更换工具, 包括: 前卡 1、 后卡 2和 收线*** 3, 所述收线*** 3两端分别与前卡 1和后卡 2相联, 还包括升吊*** 4, 该升 吊*** 4与前卡 1和后卡 2相连。 所述升吊*** 4包括两套三脚架组件 41和两个滑车 42, 所述两套三脚架组件 41分别固定在前卡 1和后卡 2上, 所述两个滑车 42分别挂在 两套三脚架组件 41上,这样两套三脚架组件 41和两个滑车 42所组成的升吊*** 4提供 了两个吊点, 通过钢绳可将瓷棒式绝缘子升吊到所需位置, 解决了由于瓷棒式绝缘子重 量较大, 导致更换瓷棒式绝缘子时, 需对整条输电线路进行停电, 通过将七个瓷棒式绝 缘子同时放至地面, 从而进行更换单个绝缘子的工作的问题 (参见图 2)。
如图 3所示,本发明还包括连杆 43,该连杆 43两端分别与两套三脚架组件 41相连, 两套三脚架组件 41通过该连杆 43连接后, 强度更高, 从而提供更稳定的吊点 (参见图 4)。
如图 1所示,本发明还包括挂钩组件 5,两个挂钩组件 5—端分别与前卡 1和后卡 2 相连, 另一端为与瓷棒式绝缘子凹槽相配合的钩状结构 51, 这样更换绝缘子时, 该挂钩 组件的钩状结构端勾住旁侧平行的瓷棒式绝缘子凹槽处, 能有效地保持本更换工具的平 衡 (参见图 2)。 当然, 使用时可以只用一个挂钩组件 5或更多挂钩组件 5。
如图 5所示, 上述所述挂钩组件 5的中部为可伸縮的丝杆结构 52, 这样可根据实际 情况调节挂钩组件 5的长度, 以保证能有效地保持本更换工具的平衡。
如图 1所示, 上述收线*** 3由液压伸縮组件 31和可伸縮的丝杆组件 32组成, 所 述由液压伸縮组件 31的活塞杆与可伸縮的丝杆组件 32的丝杆相连, 这样, 可减小液压 伸縮组件 31的液压缸的体积,进而减小收线*** 3所占的施工空间,为作业人员提供更 多的操作空间 (参见图 2)。
本发明使用时, 如图 1所示, 首先, 将本更换工具的前卡 1和后卡 2分别固定住瓷 棒式绝缘子 6的两端金属接头;然后将两个挂钩组件 5的一端分别与前卡 1和后卡相连, 另一端的钩状结构 51勾住旁侧平行的瓷棒式绝缘子 6凹槽处,并收紧其中部的可伸縮的 丝杆结构 52, 保持本更换工具的平衡; 再然后将两套三脚架组件 41分别固定在前卡 1 和后卡 2上, 并将连杆 43的两端分别对应与两套三脚架组件 41相连, 所述两个滑车 42 分别挂在两套三脚架组件 41上,以提供更换瓷棒式绝缘子 6吊点。各部件安装完毕之后, 先手动将收线*** 3 的可伸縮的丝杆组件 32进行预收紧张力; 然后再通过收线*** 3 的液压伸縮组件 31进行收紧张力,将瓷 ^ . ^张力进行转移;再然后用钢绳系 住需更换的瓷棒式绝缘子 6两端,并利用升吊*** 4的滑车 42将瓷棒式绝缘子 6的碗头 顺利脱出、 下降到地面; 接着将新的瓷棒式绝缘子 6上吊到线路上进行更换; 最后, 完 成更换后拆掉本更换工具即可。 (参见图 2)。
以上所述仅为本发明的较佳实施例, 并不用以限制本发明, 凡在本发明的精神和原则之 内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权利要求书
1、 一种瓷棒式绝缘子更换工具, 包括: 前卡、 后卡和收线***, 所述收线***两端 分别与前卡和后卡相联, 其特征在于, 还包括升吊***, 该升吊***与前卡和 /或后卡相 连。
2、根据权利要求 1所述的一种瓷棒式绝缘子更换工具, 其特征在于, 所述升吊*** 包括两套三脚架组件和两个滑车, 所述两套三脚架组件分别固定在前卡和后卡上, 所述 两个滑车分别挂在两套三脚架组件上。
3、 根据权利要求 2所述的一种瓷棒式绝缘子更换工具, 其特征在于, 还包括连杆, 该连杆两端分别与两套三脚架组件相连。
4、根据权利要求 1或 2或 3所述的一种瓷棒式绝缘子更换工具, 其特征在于, 还包 括挂钩组件, 该挂钩组件一端与前卡和 /或后卡相连, 另一端为与瓷棒式绝缘子凹槽相配 合的钩状结构。
5、根据权利要求 4所述的一种瓷棒式绝缘子更换工具, 其特征在于, 所述所述挂钩 组件的中部为可伸縮的丝杆结构。
6、根据权利要求 1或 2或 3所述的一种瓷棒式绝缘子更换工具, 其特征在于, 所述 收线***由液压伸縮组件和可伸縮的丝杆组件组成, 所述由液压伸縮组件的活塞杆与可 伸縮的丝杆组件的丝杆相连。
PCT/CN2011/083180 2011-01-25 2011-11-29 一种瓷棒式绝缘子更换工具 WO2012100595A1 (zh)

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CN102403676B (zh) * 2011-11-15 2013-11-06 江苏省电力公司徐州供电公司 一种整串更换500kV耐张母线瓷质绝缘子的托瓶架装置
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CN108054674A (zh) * 2017-12-16 2018-05-18 广西电网有限责任公司电力科学研究院 一种变电站悬式绝缘子更换作业机器人***

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