Welded joint

Green glasshouse window system can be classified as “rack continuous window system” and “railway staggered window system”. Green glasshouse continuous window system is consisted of .gear model, drive shafts, gear and rack. By reciprocating motion of gear and rack to drive the gear motor to realize window open and close. Railway staggered window system consists of open window rear motor, drive axis, window support, roller, push rod and support, gear rod joint, etc. This system is primarily used in ventilation window at the top of a Venlo greenhouse, and because the dormer windows are opened staggered, air exchange can be more easily.