| 摘要 |
PURPOSE: A greenhouse light-shielding layer capable of easily storing is provided to prevent the frequent malfunction of the layer, and to reduce the influence amount of wind on the layer. CONSTITUTION: A greenhouse light-shielding layer comprises the following: a circular pipe(1) coupled to chain gears(8, 9, 10, 11); a cylindrical pipe(4) for inserting a compression spring(5); chains(3, 12, 13) coupled to a circular steel plate(18), and inserted into the compression spring for closely attaching the circular steel plate to the compression spring and being coupled to the chain gears; a wire(6) coupling the end of the chains to the rear side of the circular steel plate; a circular shaft(15) coupling more than two chain gears; and a light-shielding layer fixing unit coupling one end of the light-shielding layer(7) to the circular pipe, and the other end to a cross bar(14) on a light-shielding layer driver.
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