Opening and closing of skylights and side windows of greenhouses and industrial buildings

摘要

The present invention relates to a roof opening and closing apparatus for a greenhouse and an industrial building, which is configured to smoothly transmit a driving force of a motor to an output shaft to which a window or a door is coupled and to suppress an overload of a motor generated during driving.;According to the present invention, the driving force of the motor 40 is transmitted to the output shaft 30 through the main shaft 60 to rotate the output shaft 30, thereby opening and closing the greenhouse, And a control device (90) for controlling the opening and closing operation of the greenhouse in accordance with the rotation of the output shaft (30), wherein a helical gear (21) meshing with the output gear (31) A shaft 24 formed on an outer circumference of the main shaft 60 and interposed between the drive shaft 10 and the output shaft 30 and a shaft 24 fixed to the shaft 24 to be engaged with the worm 11 of the drive shaft 10. [ And an umbrella wheel (20).