焦家金矿提升系统于1989年投入使用 ,至今已运行了14年 ,井塔三楼卸矿站采用的是直轨、风动气缸卸矿 ,在上世纪90年代以前 ,我国大部分矿山的竖井提升系统采用这种卸矿方式 ,90年代以后 ,新建矿山大多采用了曲轨卸矿 ,不少原来采用直轨卸矿的矿山也进行了改造 ,由此可见 ,曲轨 Jiaojia Gold Mine Lift System was put into operation in 1989 and has been in operation for 14 years. The unloading station on the third floor of the well tower adopts the direct-track and pneumatic cylinder unloading. Before the 1990s, the shaft of most of the mines in our country was raised The system uses this method of unloading ore. Since the 1990s, most of the new mines have used curved-track unloading, and many of the mines that originally used direct-track unloading have also been rebuilt. As can be seen,