Shandong China Coal Group Drilling Machine Branch

The pneumatic rock drill is to continuously impact the drill tail by the piston, and continuously input compressed air or pressure water from the central hole of the drill, the slag out of the hole, t

The gasoline rock drill works according to the principle of impact crushing. When the piston to do high frequency reciprocating motion, continuously impact the bit tail. Under the action of the impact

Rotary water well drilling rig machine, it mainly relies on the rotary motion of the drilling tool to break the rock formation into holes. There are five main types:

Vibration type pneumatic roof bolter machine is widely used in rock hardness f10 or less roadway, especially to adapt to a hard rock bolting assignments, as well as roof bolt holes, and drilling ancho

Air leg rock drill is the most modern drill products, it USES the design technology of modern drill, compared with the same type of products, with high efficiency, low noise, light weight, good econom

Hydraulic rock drill is composed of drill, hydraulic leg and hydraulic pump, hydraulic pump can be divided into a pump with a machine, a pump with two machines, a pump with four machines, etc., can be