Dahaize Coal Mine Locking Cage Swing deck Project

China Coal Group Dahaize Coal Mine has a capacity of 20 million tons/year. The auxiliary well adopts a well tower multi-rope friction wheel lifting system. Two sets of lifting equipment are arranged in the auxiliary well wellbore, with a lifting height of 636.9m, a cage weight of 85 tons, and a maximum load of 78.5 tons. The size of the cage baseplate (length × width) is 8460mm × 2710mm. In 2020, Dahaize Coal Mine installed the ZHT-B type double-lock cage swing deck produced by Sansen, which is safe and reliable, runs well, and locks the cage stably, providing an important guarantee for the safe and efficient production of large mines.