ROLLER SHUTTER FIREPROOF DEVICE FOR PREVENTING FIRE FROM SPREADING

A roller shutter fireproof device for preventing a fire from spreading. The device comprises a fixing plate (1); a first concentric-square-shaped groove (2) and a second concentric-square-shaped groove (3) are provided in a lower surface of the fixing plate (1); first electric motors (4) are respect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LIANG, Xiongfei
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	BUILDING CEILINGS DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS LADDERS ROOFS WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	A roller shutter fireproof device for preventing a fire from spreading. The device comprises a fixing plate (1); a first concentric-square-shaped groove (2) and a second concentric-square-shaped groove (3) are provided in a lower surface of the fixing plate (1); first electric motors (4) are respectively fixedly connected to four corners of the interior of the first concentric-square-shaped groove (2); a first winding rod (5) is fixedly connected to an output shaft of each first electric motor (4); an end of the first winding rod (5) away from the first electric motor (4) is rotationally connected to an inner side wall of the first concentric-square-shaped groove (2); first fireproof cloth (6) is wound around an outer side wall of the first winding rod (5); second electric motors (7) are respectively fixedly connected to four corners of the interior of the second concentric-square-shaped groove (3); a second winding rod (8) is fixedly connected to an output shaft of each second electric motor (7); an end of t