Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hand-cranking emergency device of electric roller shutter door
The invention discloses a hand-cranking emergency device of an electric roller shutter door. The hand-cranking emergency device comprises a shell, wherein a manual worm is arranged in the shell, the manual worm is engaged with a gear on one end of a gear shaft, the other end of the gear shaft is provided with a planetary gear, the planetary gear is matched with an inner gear sleeve by virtue of the planetary gear, and the planetary gear end of the worm shaft is connected with a driving head; an intermediate transmission gear, an I-level limiting gear, an II-level limiting gear, an III-level limiting gar and an IV-level limiting gear, which are sequentially engaged with one another, are also arranged in the shell, the intermediate transmission gear is engaged with the inner gear sleeve, a first rotating wheel of the IV-level limiting gear is provided with an upper limiting collision block, the upper limiting collision block is matched with an upper limiting shifting block, a second rotating wheel of the IV-level limiting gear is provided with a lower limiting collision block, the lower limiting collision block is matched with the lower limiting shifting block, a micro switch is arranged in the shell, and a contact on the micro switch is matched with a salient point on the IV-level limiting gear. The hand-cranking emergency device has advantages that the structure is simple, the use is convenient, and the operation is easy.
Hand-cranking emergency device of electric roller shutter door
The invention discloses a hand-cranking emergency device of an electric roller shutter door. The hand-cranking emergency device comprises a shell, wherein a manual worm is arranged in the shell, the manual worm is engaged with a gear on one end of a gear shaft, the other end of the gear shaft is provided with a planetary gear, the planetary gear is matched with an inner gear sleeve by virtue of the planetary gear, and the planetary gear end of the worm shaft is connected with a driving head; an intermediate transmission gear, an I-level limiting gear, an II-level limiting gear, an III-level limiting gar and an IV-level limiting gear, which are sequentially engaged with one another, are also arranged in the shell, the intermediate transmission gear is engaged with the inner gear sleeve, a first rotating wheel of the IV-level limiting gear is provided with an upper limiting collision block, the upper limiting collision block is matched with an upper limiting shifting block, a second rotating wheel of the IV-level limiting gear is provided with a lower limiting collision block, the lower limiting collision block is matched with the lower limiting shifting block, a micro switch is arranged in the shell, and a contact on the micro switch is matched with a salient point on the IV-level limiting gear. The hand-cranking emergency device has advantages that the structure is simple, the use is convenient, and the operation is easy.
Hand-cranking emergency device of electric roller shutter door
LUO GAN (Autor:in) / HUA RUXIANG (Autor:in)
03.06.2015
Patent
Elektronische Ressource
Englisch
IPC:
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
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