矿井下运输轨道铺设施工过程中,各种不同尺寸的轨道皆需要打孔连接。目前矿山普遍采用气割成孔,危险性大,需要实施繁杂的安全工序后方可施工。要解决无源、无危险工艺状态下成孔,方法之一是冲裁法,这种方法速度快,压力高,作用力大,但设备重,需要压力源,解决方案是采用便携 During the construction of mine transportation track laying, all kinds of tracks of different sizes are required to be perforated connection. At present, mines are commonly used for gas cutting into holes, which are dangerous and require complicated safety procedures before construction. To solve the passive, non-hazardous process state into the hole, one of the methods is punching method, this method is fast, high pressure, force, but heavy equipment, the need for pressure sources, the solution is to use portable