Ads
related to: rock drilling equipment- 999 Goodale Blvd, Columbus, OH · Directions · (614) 481-2111
Search results
Results From The WOW.Com Content Network
Rock drill mounted on a tripod. The large objects on the legs are weights to anchor it down into position. In reciprocating power drills, the drilling cylinder is mounted on a feed-screw, such that as the hole is drilled and the drilling point recedes from the rock face, the drill-bit continues to move into it, while the anchor point (on the tripod or column) remains in place. [11]
Drilling rigs used for rock blasting for surface mines vary in size dependent on the size of the hole desired, and is typically classified into smaller pre-split and larger production holes. Underground mining (hard rock) uses a variety of drill rigs dependent on the desired purpose, such as production, bolting, cabling, and tunnelling.
Epiroc offers a product portfolio of drilling rigs, rock drilling tools, trucks & loaders, raise boring equipment, excavator attachments, rock excavation equipment, rock reinforcement tools & underground mine ventilation systems, and service agreements related to equipment maintenance. [3]
Drilling and blasting is the controlled use of explosives and other methods, such as gas pressure blasting pyrotechnics, to break rock for excavation. It is practiced most often in mining , quarrying and civil engineering such as dam , tunnel or road construction.
A drilling jumbo consists of one, two or three rock drill carriages, sometimes a platform, which the miner stands on to load the holes with explosives, clear the face of the tunnel or do something else. [further explanation needed] The carriages are bolted onto the chassis, which supports the miner's cabin as well as the engine. Although modern ...
In 1910, the company took first and third prizes in a World Rock Drilling Contest, sponsored by the South African Chamber of Commerce. Later, the Holman Silver 303 Airleg was used all over the world for mine development. As well as the rock drills, the company also produced drill rigs and developed 'down the hole' drill primarily for quarrying.