The present invention is a double vinyl house in which the heat insulating cover (3) is installed to be opened and closed in a pleated manner in the interior of the house frame (2) covered with a vinyl film (1); A moving pipe 10 to which the thermal cover 3 is horizontally fixed and bound; An opening wire 20 for moving the moving pipe 10 in one direction so that the insulating cover 3 is folded and opened; An opening 50 formed of an opening drive shaft 30 for winding the opening wire 20 and a drive motor 40 for driving the opening drive shaft 30; A closing wire (60) for moving the movable pipe (10) in the other direction so that the folded thermal insulation cover (3) is opened and closed; A closing part 90 formed of a closing drive shaft 70 for winding the closing wire 60 and a driving motor 80 for driving the closing drive shaft 70; One-way clutches 100 and 110 installed between the drive shafts 30 and 70 and the drive motors 40 and 80; Proper tension is provided at the end of each drive shaft (30, 70) to load the drive shaft (30, 70) in the idle state of the drive shaft (30, 70) to the wires (20, 60) released from the drive shaft (30, 70) It comprises a; tension holding means (120,130) for imparting.;Green house, insulation cover, opening and closing, moving pipe, drive part, clutch, tension maintenance
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