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公开(公告)号:US20090251332A1
公开(公告)日:2009-10-08
申请号:US12350026
申请日:2009-01-07
摘要: A monitoring arrangement for use in an underground excavation includes an elongate support unit between walls in the excavation. A load-responsive sensing arrangement can be included and can be placed on the elongate support unit. A control system monitors the sensing arrangement and an alarm can be activated.
摘要翻译: 用于地下挖掘的监测装置包括在挖掘中的壁之间的细长的支撑单元。 可以包括负载敏感的感测装置并且可以将其放置在细长的支撑单元上。 控制系统监控感测装置,可以启动报警。