Combined hoisting support for civil air defense door
The utility model relates to the technical field of civil air defense door installation, in particular to a civil air defense door combined type hoisting support which comprises an upper support, a movable frame, a lifting device and a lower support. An upper supporting face and a side supporting fa...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of civil air defense door installation, in particular to a civil air defense door combined type hoisting support which comprises an upper support, a movable frame, a lifting device and a lower support. An upper supporting face and a side supporting face are arranged at the upper end of the upper support, the plane where the upper supporting face is located is perpendicular to the plane where the side supporting face is located, the upper supporting face and the side supporting face are used for being attached to a top plate and a wall face respectively, and a lifting lug is arranged below the upper supporting face. The side supporting face and the lifting lug are located on the same side of the upper support. The lower end of the movable frame is in vertical sliding connection with the lower bracket; the lifting device is installed on the lower support and used for driving the movable frame to move up and down along the lower support, and the movable frame move |
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