Method and arrangement for adjusting the percussion energy in a percussion drilling apparatus

• Main Author: PEKKA SALMI
• Format: Patent
• Language: English
• Published: 12.11.2001
• Edition: 7
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; HAND TOOLS; MANIPULATORS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PERCUSSIVE TOOLS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TRANSPORTING

The invention relates to an arrangement and a method for guiding drilling in a drilling machine, whose hammer gear, fitted in a frame (1), comprises a percussion piston (2) which reciprocates in the axial direction (X) and, to perform drilling, continually strikes a percussion point (11) in a drill...