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Bus suction-resisting bracket

A suction support and busbar technology, applied in the field of busbar anti-suction support, can solve problems such as loose connection between busbar post insulators and busbar support bolts, busbar tipping, and electrolyzer interruption of power supply, etc., so as to achieve a firm overall structure and good use effect Effect

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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If no measures are taken, the long-term operation will lead to loosening or damage of the connection between the busbar post insulator and the busbar bracket bolts; in severe cases, the busbar will tip over under certain conditions, causing the entire series of electrolytic cells to be interrupted.

Method used

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  • Bus suction-resisting bracket
  • Bus suction-resisting bracket
  • Bus suction-resisting bracket

Examples

Experimental program
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Effect test

Embodiment Construction

[0015] Embodiment of the present invention: it includes DC large busbar 1, plywood 2, base bracket 3, etc., there is a post insulator 5 under the base bracket 3, and the post insulator 5 is connected to the channel steel 9 through bolts 6, nuts 7, and washers 8, There are rolling bars 4 and splints 2 on the base bracket 3, and the DC large busbar 1 is placed on the rolling bar 4 and inside the splint 2; anti-suction brackets 10 are set between the inner DC large busbars 1; the anti-suction brackets 10 are Frame structure, welded with channel steel, with fork support 12 inside, the length of the top arm 11 is L1+L2+L3, which is greater than the distance L3 between the bus bars, and the left and right ends of the arms overlapped with the top of the bus bar The lengths L1 and L2 are not less than half of the thickness of the overlapped busbars, namely the thicknesses A1 and A2 of the left and right busbars; the length L4 of the anti-suction support under the lap arm is not less th...

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Abstract

The invention discloses a bus suction-resisting bracket, and a suction-resisting bracket (10) is arranged between direct current buses (1) at the inner side; the suction-resisting bracket (10) is a frame-shaped structure and manufactured by welding profile steel, the interior of the suction-resisting bracket (10) is provided with a forked support (12), the length of a lapping arm (11) at the top of the suction-resisting bracket (10) is larger than the spacing between buses, and the left end length and the right end length of the lapping arm lapped at the top of the bus are respectively not less than the half thickness of the lapped bus; and the length of the suction-resisting bracket (10) below the lapping arm (11) is not smaller than 2 / 3 of the height of the bus. The exterior of the used profile steel is brushed with antirust paint or hot galvanized. The bus suction-resisting bracket has small occupied area, low manufacturing cost, simple structure, good use effect and convenient manufacturing, installation and maintenance. By adopting the bus suction-resisting bracket, the whole structure of the bus is firm, and the connecting position of a post insulator and a bus bolt has no looseness and damage. The bracket is mainly installed between like-polarity direct current buses which are parallel and arranged with equal height.

Description

technical field [0001] The invention relates to a high-current DC large bus bar of a substation rectifier in an electrolytic aluminum plant. Background technique [0002] Usually, the electrolytic cell of the electrolytic aluminum plant uses DC current to supply power through the DC bus bar of the substation rectifier station. Due to the large DC current of the series (usually 180KA ~ 350KA), when the same polarity busbars are installed in parallel and basically at the same height, due to the action of the electromagnetic field, there is mutual attraction between them. If no measures are taken, long-term operation will lead to loosening or damage of the connection between the busbar post insulator and the busbar bracket bolts; in severe cases, the busbar will tip over under certain conditions, causing the entire series of electrolytic cells to be interrupted. Contents of the invention [0003] The technical problem to be solved by the present invention is: to provide a bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/16
Inventor 于杨
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