Upper Folding Door

The upper folding door with soft curtain mainly includes the post rail, upper and lower beams, curtain fixing frame, curtain, rope pulley, lift mechanism, safety mechanism, and control mechanism and so on, among which the beams and the curtain fixing frame are manufactured by the high-quality profiled bar, and the curtain shall be the high-strength PVC curtain. 

When the lift mechanism works, the wire rope on the lift mechanism will drive the lower beam to move upwards, so as to overlap the curtain fixing frame and the curtain on the lower beam. When the door is opened to the appointed place, it will be limited by the upper travel limit switch. When the lift mechanism moves reversely, the lower beam moves downwards, so as to realize the closing of the door body.

When the door is closed to the appointed place, it will be limited by the travel limit switch arranged on the rope pulley. When the door moves, the wire rope breaks, the safety mechanism will work to prevent the falling of door body. 

PLC frequency conversion control is adopted for control. The door will start and stop slowly during the moving process. The upper folding door with soft curtain is mainly applicable to such occasions as shipyard, large scale workshop and hangar.

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