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实用新型
CN201430399Y 一种特高压输电线路中的屏蔽环 失效 - 权利终止

一种特高压输电线路中的屏蔽环
摘要：
本实用新型提供一种特高压输电线路中的屏蔽环。该屏蔽环应用于包括联板和输电导线的输电线路中，所述联板和所述输电导线通过连接金具连接，所述屏蔽环固定在所述输电线路上，用于屏蔽所述连接金具，所述屏蔽环包括至少两个环绕在所述输电导线上的大环，所述大环环面的法线方向与所述输电导线的延伸方向一致，各所述大环并列设置，最外侧的两个大环之间具有用于容纳所述连接金具的间距。该屏蔽环通过采用至少两个大环对输电导线进行环绕设置，实现了对连接金具的屏蔽，尤其当应用于1000KV特高压输电线路时，与现有技术中的耳朵型均压屏蔽环相比，该屏蔽环易于安装固定，可长期运行，对输电导线上的连接金具起到了更好的屏蔽效果。
摘要（英）：

The utility model provides a shielding ring used in an ultra-high-voltage power transmission line, which is applied to a power transmission line comprising a connecting plate and a power transmissionconducting wire. The connecting plate is connected with the power transmission conducting wire through a connecting fitting, the shielding ring is fixed on the power transmission line and used for shielding the connecting fitting, the shielding ring comprises at least two large rings surrounding the power transmission conducting wire, a normal line direction of an annular surface of each large ring is identical to an extending direction of the power transmission conducting wire, the large rings are arranged in parallel, and an interval used for holding the connecting fitting is arranged between the two large rings on the outermost side. The power transmission conducting wire is surrounded by utilizing at least two large rings, thereby shielding the connecting fitting. Particularly, when being applied to a 1000KV ultra-high-voltage power transmission line and compared with an ear-type equalizing shielding ring in the prior art, the shielding ring is easy to be mounted and fixed, can beoperated for a long time, and has a better shielding effect for the connecting fitting on the power transmission conducting wire.

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