| 摘要 |
PURPOSE:To mechanically and simply carry out winding and unwinding of a shading sheet of greenhouse, etc. CONSTITUTION:In an apparatus for winding and unwinding a shading sheet 1 stretched and installed on a roof material 2 of greenhouse, etc., a trolley rail 4 is provided parallel to the upper part on the side of the roof material 2 and a trolley device 3 traveling the upper side of the trolley rail 4 is installed and in the trolley device 3, an arched wing (ar) is pivoted on a pivotal shaft (vl) at the highest part of the main shaft (po) and the lower wing (us) is pivoted on a pivotal shaft (v2) opposite to the arched wing (ar) and in the arched wing (ar), two rolls are installed in the upper part of the trolley rail 4 and in the lower wing (us), two rolls are installed in a state interposing the trolley rail 4 and a motor (m) for winding and unwinding the shading sheet 1 is installed below the main shaft (po) and weight (w) is installed in the lowest part. |
