Movable lifting bridge

• Main Authors: NIU HONGWEI, XIE WENBIN, SU HAI, ZHANG PING, HU ZHIQIANG, LIU KEGONG, ZHAO XUELEI, HAO ZHIHONG, SHI JIZHONG, NIE YUTAI, XIAO YANING, SUN YINGJUN
• Format: Patent
• Language: Chinese; English
• Published: 17.11.2010
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; MINING; PERFORMING OPERATIONS; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; TRANSPORTING

The utility model relates to a mining pedestrian bridge, in particular to a pedestrian movable lifting bridge used under coal mine. The movable lifting bridge comprises a tractor, a front platform, a lifting bridge frame, a rear platform, and a track; the front platform, the rear platform are connected with the lifting bridge frame through a movable pin shaft; the front platform and the rear platform are provided with platform pedals and movable ladders; the front platform, the rear platform and the lifting bridge frame are provided with walking wheels that are pressed on the track, and the track is installed on the longitudinal beam of a belt feeder; the front platform, the lifting bridge frame and the rear platform are pulled by the tractor to move on the track. The movable lifting bridge adopts a hinged structure and is provided with a lifting oil cylinder, therefore, the height of the bridge can be changed, meanwhile, the front platform, the rear platform and the lifting bridge are all provided with walki