Application of Interim Changed Winch in Rapid Construction of Mine Shaft
YUAN Cun-fa
Abstract：In order to meet the production connection requirement of the mine ,Tongxin Mine of Datong Coal Mine Group decided to develop No.3 Mining Block in advance.No.3 Mining Block was a mine shaft development and there were two new mine shafts to be constructed.There would be a mine air income shaft as a mine auxiliary shaft and a mine air returning shaft.After the two mine shafts were break-through ,an interim changed winch of the mine auxiliary shaft was conducted.According to the certain conditions ,the interim changed winch method of the mine auxiliary shaft was from a bucket changed to the interim cage and interim skip.The construction of the interim winch started on October 27 ,2014 and with 49 days only ,the construction of the interim winch was safely and successfully com‐pleted and created the conditions to speed up the mine construction speed and reduce the construction period.
Keywords：mine shaftinterim changed winchbreak-throughrapid construction
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 54-58 )