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Bus bridge used for 10 kV switch cabinet

A busbar bridge and switchgear technology, applied in the field of busbar bridge installation, can solve problems such as power failure tripping, busbar connection instability, etc., to achieve the effect of avoiding deformation and improving connection stability

Active Publication Date: 2015-02-25
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects of the prior art, the present invention provides a busbar bridge for 10kV switchgear, which solves the problem of power failure and tripping in 110kV substations due to unstable connection of adjacent busbars

Method used

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  • Bus bridge used for 10 kV switch cabinet
  • Bus bridge used for 10 kV switch cabinet
  • Bus bridge used for 10 kV switch cabinet

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Embodiment Construction

[0015] refer to figure 1 , Figure 4 and Figure 5 , a busbar bridge for 10kV switchgear, including a first fixed plate 1, a second fixed plate 2 and a flexible connection assembly, the flexible connection assembly includes a first rotating shaft 4, a first end cover 41, a first shaft block Ring 42, the second rotating shaft 5, the second end cover 51, the retaining ring 52 for the second shaft and several flexible connecting pieces 3 arranged in layers. The bottom end of the first rotating shaft 4 is provided with a first annular protrusion 43, the top of the first rotating shaft 4 is inserted into the first end cover 41, and the first shaft retaining ring 42 is sleeved on the first rotating shaft 4 at the first end cover. On the side wall between an annular protrusion 43 and the first end cover 41, the first rotating shaft 4 passes through the flexible connecting piece 3, and the first shaft uses the retaining ring 42 and the first end cover 41 to limit the flexible connec...

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Abstract

The invention relates to a bus bridge used for a 10 kV switch cabinet, and belongs to the field of bus bridge installation. The problems of outage and tripping, caused by instable connection of adjacent buses, of a 110 kV power substation are solved. The bus bridge used for the 10 kV switch cabinet comprises a first fixing plate, a second fixing plate and a flexible connection assembly, the flexible connection assembly comprises a first rotating shaft, a second rotating shaft and a plurality of flexible connection sheets, folds are arranged on the flexible connection sheets, a first bearing is arranged on the first fixing plate, a first rotating shaft penetrates through one ends of the flexible connection sheets to be connected with the first bearing in a rotatable mode, a second bearing is arranged on the second fixing plate, and a second rotating shaft penetrates through the other ends of the flexible connection sheets to be connected with the second bearing in a rotatable mode.

Description

technical field [0001] The invention relates to a bus bridge for a 10kV switch cabinet, belonging to the field of bus bridge installation. Background technique [0002] The sum of the construction period and electrical installation period of the existing 110kV substation takes about one and a half years. The air in the south is humid and the rainfall is heavy. Therefore, soft soil with a large natural void ratio and a small consolidation coefficient is widely distributed, so that Some 110kV substations are inevitably built on soft soil. There are several switchgears in the 110kV substation. The switchgears are uniformly installed on the grounded flat iron. Two adjacent switchgears are closely attached to each other. There are busbars in the switchgear. Connected together, the connection between the hard busbar bridge and the busbar is fixed together by bolts. In the south, after two or three years of operation of the 110kV substation, the switchgear built on soft soil will...

Claims

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Application Information

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IPC IPC(8): H02B1/20H02G5/00
CPCH02B1/20H02G5/00
Inventor 杨海威俞永奇翁志华章挺顾卫华樊宁宜杨立彦诸德明
Owner STATE GRID CORP OF CHINA
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