OPEN AND SHUT SYSTEM OF LAGGING COYER FOR A HOTHOUSESTATIONERY

摘要

PURPOSE: A longitudinal heat insulation curtain opening/closing device for an unshaded-light greenhouse is provided to effectively open and close a heat insulation curtain. CONSTITUTION: A longitudinal heat insulation curtain opening/closing device for an unshaded-light greenhouse comprises the following: a driving unit circulating a ring chain(140) to the longitudinal direction of the greenhouse; a heat insulation curtain(200) fixed to the ring chain; a towing unit(300) towing the heat insulation curtain while separating the curtain from crops; vertical direction supporters(350) installed on a crop cultivation area for covering the area with the heat insulation curtain; horizontal direction supporters(330,340) including an upper horizontal direction supporter and a lower horizontal direction supporter; and first and second towing rollers(310,320) supporting and guiding the ring chain.