Pneumatic anchor rod hammer drill

• Main Authors: BAO WEI, WANG HONGLI, ZHAO JINQIAO, SUN WENJIN, SONG LIXIN
• Format: Patent
• Language: Chinese; English
• Published: 20.07.2011
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SHAFTS; TUNNELS

The invention discloses a pneumatic anchor rod hammer drill, which is mainly characterized in that a power output shaft of a speed change gear box of the prior rotary impact combination hammer drill is connected with a lengthened shaft on which a transmission gear is arranged, and the transmission g...