Shandong China Coal Group Drilling Machine Branch

The rock 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

With the rapid development of China's national economy, the pneumatic pavement breaker has maintained a high-speed growth for many years, in recent years, the crusher industry's export situation is co

The pneumatic roof bolter is suitable for the anchor operation of coal, semi-coal roadway rock and rock roadway whose roof hardness f is no more than 10. It is used for supporting work in coal mine, a

The internal combustion drill is powered by fuel combustion, and it is a hand-held tool composed of small gasoline engine, compressor and drill. Mainly used for drilling downward, horizontal and upwar

Check the integrity and rotation of all parts (including drill, support or drill trolley) before drilling, fill with necessary lubricating oil, check whether the wind road and waterway are smooth and

What is an air leg rock drill? What are the characteristics and advantages of pneumatic leg drilling tools? Operators who need to use mining machinery should know something about the pneumatic leg dri