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Safety guard will emerge more clearly from a cable or rope in the explosive mixture
Safety guard will emerge more clearly from a cable or rope in the explosive mixture
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机译:爆炸混合物中的电缆或绳索将使安全防护装置更加清晰
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摘要
The present invention relates to a device for automatically release and autonomously a mechanical connection by cable or the line (4) between two elements, in a zone with the conditions of an explosive atmosphere, including: - a mechanical assembly (11) in the form of a chamber (21) which is able to be traversed by a cable or the line (4) and which contains at least one switch comprising a scraper (25) associated with an anvil (20) and means of displacement of the cutter (25) with respect to the anvil in order to cut the cable or the line (4), the positioning means (15a, 15b, 15c) of the cable or the line (4) making it possible to pass the cable or the line (4) between the anvil (20) and the scraper (25), and measuring means (16) of the voltage of the cable or the line (4), - of the monitoring and control means (12) which makes it possible to automatically control the triggering of the disconnector. The scraper (25) and preferably, the anvil (20) are in an antifriction material - sparks, and in particular in an alloy of copper - beryllium (cu - be).
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