CN202305568U - 变压器套管末屏试验辅助工具 - Google Patents

变压器套管末屏试验辅助工具 Download PDF

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Publication number
CN202305568U
CN202305568U CN 201120356164 CN201120356164U CN202305568U CN 202305568 U CN202305568 U CN 202305568U CN 201120356164 CN201120356164 CN 201120356164 CN 201120356164 U CN201120356164 U CN 201120356164U CN 202305568 U CN202305568 U CN 202305568U
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transformer
copper rod
auxiliary tool
bushing tap
insulation sleeve
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吕卫民
杨林
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State Grid Corp of China SGCC
Jiaozuo Power Supply Co of State Grid Henan Electric Power Co Ltd
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Jiaozuo Power Supply Co of Henan Electric Power Co
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Abstract

一种变压器套管末屏试验辅助工具,包括封套,封套内套绝缘套,绝缘套内设置铜棒,铜棒与绝缘套是螺纹连接,铜棒穿过绝缘套伸入到封套内,在铜棒上还设置有调节螺母。使用时将变压器套管末屏上的引线护套取下,将本实用新型的封套安装进原引线护套位置,使铜棒与变压器套管末屏的引线柱完全接触,然后将变压器试验仪器的线夹夹住封套外面的铜线上,进行试验。本实用新型不损坏变压器高压绕组套管末屏、结构简单、操作方便,重量轻;现场应用成本低廉,使用方便经济,性能稳定;无需特殊的维护保养;不受自然环境、施工场地,人员配合的限制等特点。实现了多种作业工具的优化组合,真正解决了变压器高压绕组套管末屏引出端不易引出和固定的作业难题。

Description

变压器套管末屏试验辅助工具
技术领域
本实用新型涉及一种对变压器进行试验的试验装置,具体地说涉及一种变压器高压绕线组套管末屏绝缘试验装置。
背景技术
随着经济的不断发展,电网建设力度的不断加大,更多的变压器参与到电网建设中来,另外随着时间的推移,变压器的试验要求数据准确,变压器的套管试验要求安全性好,试验数据稳定。变压器高压绕组套管末屏绝缘试验时,抽头引出目前电力企业普遍采用的是,由试验人员用螺丝刀用力顶着变压器高压套管末屏接地端,露出变压器高压套管末屏引出端的圆孔后,另一位试验人员用铁丝插在圆孔内,把试验专用线夹在铁丝上。但是在应用上存在以下问题,试验人员用螺丝刀顶变压器高压套管末屏接地端时,力度不易掌握,有时轻高压套管末屏引出端的圆孔露不出来,有时力度重高压套管末屏接地端伸进太多,有可能伤到高压绕组套管末屏的内部,产生渗油等缺陷,有铁丝时,有时可能在试验过程中因变压器高压套管末屏接地端的弹力过大,截断铁丝,影响试验。
发明内容
本实用新型的目的在于克服上述不足提供一种变压器套管末屏试验辅助工具。
为实现上述目的本实用新型采用以下技术方案:
一种变压器套管末屏试验辅助工具,包括封套,封套内套绝缘套,绝缘套内设置铜棒,铜棒与绝缘套是螺纹连接,铜棒穿过绝缘套伸入到封套内。
上述变压器套管末屏试验辅助工具,在铜棒上还设置有调节螺母。
采用上述技术方案,本实用新型有以下优点:使用时将变压器套管末屏上的引线护套取下,将本实用新型的封套安装进原引线护套位置,使铜棒与变压器套管末屏的引线柱完全接触,然后将变压器试验仪器的线夹夹住封套外面的铜线上,进行试验。本实用新型不损坏变压器高压绕组套管末屏、结构简单、操作方便,重量轻;现场应用成本低廉,使用方便经济,性能稳定;无需特殊的维护保养;不受自然环境、施工场地,人员配合的限制等特点。实现了多种作业工具的优化组合,真正解决了变压器高压绕组套管末屏引出端不易引出和固定的作业难题。
附图说明
图1是本实用新型的结构示意图。
具体实施方式
如图1所示的一种变压器套管末屏试验辅助工具,包括封套4,封套4内套绝缘套3,绝缘套3内设置铜棒2,铜棒2与绝缘套3是螺纹连接,铜棒穿过绝缘套伸入到封套4内,在铜棒2上还设置有调节螺母1。

Claims (2)

1.一种变压器套管末屏试验辅助工具,其特征在于:包括封套(4),封套(4)内套绝缘套(3),绝缘套(3)内设置铜棒(2),铜棒(2)与绝缘套(3)是螺纹连接,铜棒穿过绝缘套伸入到封套(4)内。
2.根据权利要求1所述的变压器套管末屏试验辅助工具,其特征在于:在铜棒(2)上还设置有调节螺母(1)。
CN 201120356164 2011-09-22 2011-09-22 变压器套管末屏试验辅助工具 Expired - Fee Related CN202305568U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110568229A (zh) * 2019-09-10 2019-12-13 国网安徽省电力有限公司 一种220kv电流互感器套管末屏信号拾取装置
CN111220828A (zh) * 2020-03-06 2020-06-02 广东电网有限责任公司 一种变压器套管末屏试验专用装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110568229A (zh) * 2019-09-10 2019-12-13 国网安徽省电力有限公司 一种220kv电流互感器套管末屏信号拾取装置
CN111220828A (zh) * 2020-03-06 2020-06-02 广东电网有限责任公司 一种变压器套管末屏试验专用装置
CN111220828B (zh) * 2020-03-06 2022-04-26 广东电网有限责任公司 一种变压器套管末屏试验专用装置

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