Shandong China Coal Group Drilling Machine Branch

Drill is used in mining mechanical engineering products, mainly used to mine stone, drill hole in the rock, and then put explosives in the hole to blast the rock, so as to complete the rock mining or

1. Water well drilling rig operators shall receive training and guidance from the manufacturer, have a full understanding of the structure and performance of the rig, and obtain certain experience in

1, Handheld gasoline rock drill is a small gasoline engine, compressor, drill trinity combination of hand-held tool.

Air leg rock drill is a kind of high efficiency drilling machinery. It is widely used in rock tunneling and various drilling operations to drill blasting holes, is an important tool in stone works suc

Rock drill is a kind of economic, simple, portable tunneling machinery tool, plays an important role in the work of stone mining, belongs to the impact equipment, its normal work needs water, oil, gas

The bladed heavy drill (hammer) is raised to a certain height by means of the frame and winch, and the free-falling impact force is used to cut the broken rock or hit the soil to form a hole.