Pull-out small-displacement mechanical shock-isolation device for seismic protection of porcelain column type electrical equipment

Abstract

The invention discloses an anti-pull small-displacement mechanical shock isolation device for anti-shock protection of porcelain-knob electrical equipment, belongs to the technical field of equipmentanti-shock and shock isolation, and aims to solve the problem of severe influence on the operation of a power system due to damage of the porcelain-knob electrical equipment during an earthquake. Theanti-pull small-displacement mechanical shock isolation device is technically characterized in that end parts of lower slide rails are fixed to the ground through supports; two connection sliding sleeves are arranged on the lower slide rails in a sliding way; the lower slide rails are sleeved with first springs; upper brackets are arranged above the lower slide rails through the connection slidingsleeves; the connection sliding sleeves and the upper brackets are arranged in a sliding way; mass blocks are positioned below the lower slide rails; rolling bearings are arranged below the mass blocks; sliding on the ground is realized through the rolling bearings; the peripheries of the mass blocks are connected to the upper brackets through second springs and dampers; and the porcelain-knob electrical equipment is arranged on the upper brackets. Through the adoption of the anti-pull small-displacement mechanical shock isolation device, excellent damping amplitude and damping stability areachieved. The mass blocks are directly placed on the ground, so that a relatively large mass ratio can be achieved, so that no interference is caused to the equipment.

Description

technical field [0001] The invention relates to a mechanical shock-isolation device for anti-seismic protection of electrical equipment, in particular to an anti-pulling small-displacement mechanical shock-isolation device for anti-seismic protection of porcelain column type electrical equipment, and belongs to the technical field of anti-seismic isolation of equipment. Background technique [0002] Earthquake disasters are sudden and devastating, which seriously threaten the safety of human life and property. Porcelain column electrical equipment is widely used in power systems, and with the development of the power industry, the level of power transmission and transformation equipment is getting higher and higher, and high-voltage electrical equipment, especially ultra-high voltage DC power transmission and transformation equipment, is becoming more and more towering and Soft and soft, the quality is getting bigger and bigger, and the requirements for its shock resistance ...

AI Technical Summary

Problems solved by technology

First, the insulation function requirements of the equipment, which makes many shock absorption methods widely used in the field of civil engineering cannot be used for porcelain column electrical equipment

Second, there are wires involved between the equipment, which makes the traditional vibration isolation technology often inconvenient to use, because the vibration isolation may in some cases lead to an increase in the relative displacement between adjacent equipment, making the wires tense and causing equipment damage

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