| 摘要 |
PURPOSE: A sun shading device for plastic greenhouse is provided to block sun in the greenhouse, to reduce heat and to allow people to move according to work development speed. CONSTITUTION: In the inner upper side of the greenhouse(48), a guide rod(52) for transferring operating tools or harvest baskets is longitudinally formed through a frame(50). A shading device(A) connects a frame between front, rear connection pieces(14) having a guide roller(10). Support stands(20,22) are hinge connected in both sides of the front, rear connection piece. A shade(28) is covered on the support stand. In the bottom center part of the frame, an electric fan(30) is installed. Each support stand is composed of a plurality of support pieces which are hinged with axial bolts. A constant angle is maintained at the stand of the support stand when the support stands are spread.
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