| 摘要 |
PURPOSE:To cope with various usage purposes of a large-space facility by providing winches on arch beams of an opening/closing type dome roof, and suspending a ceiling material made of a film and a sound absorbing material with wires wound and supported by the winches. CONSTITUTION:A vertically overlapped moving roof 2 is supported on arch beams 2, and the moving roof 2 is moved to vertically overlap on a fixed roof 3 when the roof is opened. Suspension metals 7 are suspended by wires 6 hung from motor winches 5 fitted on the erch beams 1, and the wires 6 are wound or unwound to vertically move a moving ceiling 4. Lateral joint materials 9 are provided to prevent the lateral swing of the moving ceiling 4, hanger rails are fitted at tips of the wires 6, and the moving ceiling 4 is moved in the horizontal direction. The ceiling material is moved vertically and to the right and left, and the space volume below the ceiling can be changed. |
