Security wind deflector

• Main Authors: FEI CHUANBAO, TANG YONGZHI, ZHOU PINGYI, LI PINGZHANG, WU YUCHENG, ZHANG JING
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2009
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model relates to a safe wind deflector which is characterized in that the outside is provided with a steel box body; the front end of the box body is connected with a walking oil cylinder through a round-link chain; a box body liner which can slide with respect to the box body along the advancing direction of the box body is arranged inside the box body; the top plate and the bottom plate of the box body liner are supported by a lifting oil cylinder, and the different lifting positions of lifting oil cylinder correspond to the different heights of the top plate of the box body liner; and a top baffle which is driven by a telescopic oil cylinder to horizontally slide is arranged below the top plate of the box body liner. During the use process, the utility model changes the spatial angle ventilating flow direction on a working face, impels upper spatial angle accumulated gas to flow into a goaf extracting pipe, insolates and restrains gas filling below a template to leak outside after the movement