Corrugated pipe service life test device

Abstract

The invention discloses a corrugated pipe service life test device, and belongs to the technical field of vacuum arc extinguish chamber tests. The corrugated pipe service life test device comprises a supporting assembly and a movable part, the movable part can reciprocate in the vertical direction relative to the supporting assembly, sealing inflation assemblies on the supporting assembly and sealing fixing assemblies on the movable part are arranged in a one-to-one correspondence mode, and the sealing inflation assemblies and the sealing fixing assemblies are configured to be connected with the two ends of a corrugated pipe in a sealed mode and fill gas with the set pressure into the corrugated pipes, the real working condition is simulated, at least two corrugated pipes can be tested, and the detection efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of vacuum interrupter testing, in particular to a bellows life testing device. Background technique [0002] The vacuum interrupter is the core component of the vacuum switch. The vacuum interrupter works under vacuum conditions, and its conductive circuit is composed of static conductive rods, static electrodes, moving electrodes, and moving conductive rods. Driven by the switch operating mechanism, the movable conductive rod pulls the electrodes to realize opening and closing operations. The bellows is the key component to ensure that the vacuum state in the vacuum interrupter is maintained when the movable conductive rod and the movable electrode move. The bellows is a corrugated thin-walled tube structure. During the movement of the moving conductive rod and the moving electrode, the bellows are compressed or stretched, but always maintain airtightness. The mechanical life of the bellows generally dete...

AI Technical Summary

Problems solved by technology

[0004] There are deficiencies in the above-mentioned device for measuring the life of the bellows. First, the inside and outside of the bellows are under atmospheric conditions, and there is no pressure difference between the inside and the outside, which is inconsistent with the actual working state of the bellows; second, during the movement of the bellows, the bellows and the test device The connection position of the bellows is easy to loose; the third is that the test device at this stage can only test one bellows at a time, which prolongs the test time and reduces the test efficiency

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