威特沃特斯兰德矿区多数为窄矿脉,机械化开采非常困难。为此,正在研究不用炸药的采矿方法,他们认为最有前途的方法是冲击式采矿系统。冲击器的操纵机构能使冲锤沿垂直方向转动,一般每个工作面分三次切割:首先沿工作面中部切割,然后沿顶部或底部切割。在回采底部时,用冲锤和操纵机构前缘把破碎下来的岩石推到运输机上。一个分层(200mm)的矿石采完后,把机器驱动到准备 The Witwatersrand Mining Area is mostly a narrow vein and mechanized mining is very difficult. For this reason, mining methods that do not use explosives are being studied and they consider the most promising method to be an impact mining system. Impactor manipulator to make the vertical rotation of the hammer, the general division of each face cut three times: first along the face of the middle cut, and then cut along the top or bottom. When mining the bottom, push the crushed rock to the transport plane with the hammer and the leading edge of the steering mechanism. After a stratified (200mm) ore is taken, the machine is driven to preparation