Shandong China Coal Group Drilling Machine Branch

The drill has the characteristics of light weight, simple structure, convenient operation, and automatic stop after crushing. Widely used in coal mining, mining soft rock; Planing column foot pit, ope

Engineering drill is a classification and extension of the drill, as the name implies, engineering drill is used for high-rise buildings, ports, docks, DAMS, power, Bridges and other projects of large

Pneumatic roof bolter machine is the bolt support equipment for roadway used in coal mine. It has outstanding advantages in improving support effect, reducing cost, accelerating roadway formation spee

A screw air compressor is a device used to compress gas. Screw compressor - is a rotary positive displacement compressor, in which the two rotors with spiral gear mesh with each other, so that the vol

A drill is a complex set of machines, which consists of machines, units and mechanisms. A drilling rig is a mechanical device that drives the drill to drill underground and obtain physical geological

Working principle of hydraulic drill: this drill is mainly composed of oil supply and distribution system, energy storage system, energy conversion system, vibration reduction and support system, and