Tunnel construction ventilation device

The invention relates to a tunnel construction ventilation device. The tunnel construction ventilation device comprises an induced air device, leather hoses and auxiliary fans. The induced air devicecomprises an air duct, a fixed plate, a motor a, a main rotary shaft, an auxiliary rotary shaft a, an...

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Bibliographische Detailangaben
Hauptverfasser:	LIU YIHONG, ZHANG ZAIHUA, MAO GUANGXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS PIPES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a tunnel construction ventilation device. The tunnel construction ventilation device comprises an induced air device, leather hoses and auxiliary fans. The induced air devicecomprises an air duct, a fixed plate, a motor a, a main rotary shaft, an auxiliary rotary shaft a, an auxiliary rotary shaft b, a main gear, an auxiliary gear a, an auxiliary gear b, a main blade, anauxiliary blade a and an auxiliary blade b, the fixed plate is arranged in the air duct, the main rotary shaft, the auxiliary rotary shaft a and the auxiliary rotary shaft b are rotatably arranged onthe fixed plate, the front ends of the main rotary shaft, the auxiliary rotary shaft a and the auxiliary rotary shaft b are separately connected with the main blade, the auxiliary blade a and the auxiliary blade b, the rear ends of the main rotary shaft, the auxiliary rotary shaft a and the auxiliary rotary shaft b are separately connected with the main gear, the auxiliary gear a and the auxiliarygear b, the auxiliary gear