Automatic extending device for coal mine air supply air duct and using method

• Main Authors: YUAN LICAI, LI JUN, HOU SHENGGUANG, KANG FUJUN, LIAN ZHIBIN, LI ZAIYOU, SHI LEI, TIAN JUNJUN, WEI PENGFEI
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: CAPSTANS; CONVEYING; EARTH DRILLING; FIXED CONSTRUCTIONS; HANDLING THIN OR FILAMENTARY MATERIAL; HAULING; HOISTING; HOISTS; LIFTING; MINING; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SHOP CONVEYOR SYSTEMS; STORING; TACKLES, e.g. PULLEY BLOCKS; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING; WINCHES

The invention provides an automatic extending device for a coal mine air supply air duct and a using method, and belongs to the technical field of coal mine tunneling face ventilation. A coal mine air supply air duct automatic extending device comprises a crawler trolley, an air duct storage device, a winch, an anchor rod and an air duct, the air duct is stored in the air duct storage device in advance, the air duct storage device is installed on the narrow crawler trolley through a lifting platform, and the width of the crawler trolley is equal to or smaller than the diameter of the air duct. And the fan is arranged on one side of the roadway and right below an air outlet of the air supply barrel. The invention further discloses a using method of the automatic extending device for the coal mine air supply air duct, when a heading machine moves forwards, the crawler trolley is manually controlled in site or remotely controlled to move forwards, and the air duct of the air duct stock device automatically exten