


It is a multi-functional composite drilling rig integrating rotary and impact drilling processes. During rotary drilling, it can be used in Quaternary overburden;
during impact drilling, it can be used in hard formations such as pebble and granite. The impact system of the drilling rig is equipped with a buffer device, featuring a novel and reliable structure; it adopts dual-speed motor drive technology,
with a simple transmission mechanism, a wide speed range, and reliable quality and performance.