Shock isolation and fall prevention device of ultra-high voltage converter transformer

Abstract

The invention discloses a shock isolation and fall prevention device of an ultra-high voltage converter transformer. The shock isolation and fall prevention device comprises a shock isolation support, and a first steel plate and a first thin rubber layer which are arranged horizontally on the shock isolation support at an interval from top to bottom, wherein a center hole is formed in the center of the shock isolation support; a lead core is arranged in the center hole; an upper connection plate and a lower connection plate parallel to each other are also arranged on the device; the upper surface and the lower surface of the shock isolation support are respectively connected with the centers of both the upper connection plate and the lower connection plate; falling prevention gaskets are arranged at the midpoints on four edges of the upper connection plate; and the falling prevention gasket comprises a second thin rubber layer, a second steel plate, a rubber layer and a steel sealing plate which are connected in sequence from top to bottom and are made as an integrated structure by high-temperature and high-pressure vulcanization. The device provided by the invention has the characteristics of falling prevention function and low surface pressure, has the advantages of simple structure, stable performance, relatively low construction cost, convenience in construction and installation, and high economic, environmental and social benefits, and can greatly improve the seismic safety of the ultra-high voltage converter transformer, particularly can ensure the safety of the ultra-high voltage converter transformer under a super earthquake action.

Description

technical field [0001] The invention relates to the technical field of anti-shock, anti-shock, and shock isolation for buildings, structures, and equipment, in particular to a shock-isolation and drop-proof device for UHV converter transformers. Background technique [0002] The converter transformer is the core electrical equipment in the DC transmission project. The converter transformer has the characteristics of large volume and high quality, and the porcelain bushing is long. Earthquake force and displacement, causing damage to the converter transformer, threatening the operation safety of the converter transformer, directly causing major economic losses, and more importantly, causing indirect major economic losses and casualties, such as affecting earthquake relief after the earthquake work and produce secondary disasters. Through the investigation of many major earthquake disasters at home and abroad, there have been many substation main transformers overturning, sli...

AI Technical Summary

Problems solved by technology

The traditional anti-seismic method is to increase the strength and rigidity of the equipment to resist the earthquake. Under the earthquake, this method may be damaged under the fortification intensity, but it will inevitably cause the converter transformer body to be damaged under the fortification intensity. Faults caused by overturning, sliding, distance changes between the fuel tank and the body, fire or bushing damage, and at the same time, due to the relatively large acceleration, it is easy to cause the fire of the converter transformer

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