Cable tray fire prevention device and cable tray fire prevention method

摘要

SubjectIn a cable tray fire extinguisher equipped with a flame proof sheet of a noncombustible material to prevent a combustible cable installed in a power plant, etc., a cable tray fire prevention device capable of suppressing the deviation of the flame proof sheet even when an earthquake occurs is provided .SolutionA cable tray fire prevention device in which a cable tray 1 containing a cable 2 is wound by a flame proof sheetEquipped with a damper for preventing the flame from slipping off the sheet.Flame proof sheet misalignment control jigA lower presser member (band frame 4) which covers the lower outer periphery of the cable trayLocated above cable trayAn upper presser member (upper frame 6) having an end coupled to both ends of a lower presser memberA lower frame 7 is provided.Press down the cable tray 1 with the lower pressing member and the upper pressing memberThe upper presser member is provided with a cable holding member (lower frame 7) capable of adjusting the vertical position to press the cable 2 accommodated in the cable tray 1.Diagram