QZJ－100B型潜孔钻机具有结构简单、移动方便、重量轻、价格低等优点，广泛应用于矿山、水利水电等建筑工程。该机主要由回转机构、推进气缸、冲击器、滑架、操作台等组成。它的工作原理是将压缩空气的能量转换成机械能，工作过程中冲击器的活塞不断冲击针头尾部，针头上的合金 QZJ-100B DTH drilling rig with simple structure, easy to move, light weight, low price, widely used in mining, water conservancy and hydropower construction. The aircraft mainly by the rotary mechanism, propulsion cylinder, impactor, carriage, console and other components. Its working principle is to compress the energy of the air into mechanical energy, the working process of the impactor piston constantly impact the needle tail, the needle on the alloy