Single-board balanced type stepless adjusting air window

• Main Authors: LI XING, LIU ZENGSONG, DING LUSHI, ZHOU XIZHU, LUO GUOHUA, WANG HAITANG, WANG ZIBANG, WANG LIBING, LIU ZHANFEI
• Format: Patent
• Language: Chinese; English
• Published: 08.09.2010
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model provides a single-board balanced type stepless adjusting air window, relating to a wind quantity adjusting device of a coal mine underground ventilating system. The wind quantity adjusting device is arranged above a wind door passageway to solve the problem that the existing adjusting air window can not be arranged at a high-level narrow space in the underground coal mine, thereby meeting the requirement of ventilation. The air window comprises a window frame, a wind deflector which is embedded in the window frame, a rotating shaft which is arranged on the wind deflector and is supported on the wind frame, and a speed-reducing device and an adjusting device which are arranged at one side of the rotating shaft, wherein the output shaft of the speed-reducing device is connected with the rotating shaft; the adjusting device comprises a manual special crank, a steel wire rod and a gliding wheel; and the manual special crank is connected with the input shaft of the speed-reducing device through t