| 摘要 |
<p>An impact-type hydraulic rock drilling machine includes an impact mechanism, a rotating mechanism and a flushing mechanism. The impact mechanism is composed of hydraulic motors (3,6), a shock excitation box (1), eccentric shafts (4,8), gears (2,7) and eccentric blocks (4,9), and the bottom of the shock excitation box (1) fits an impact hammer head (10). The rotating mechanism is composed of a third hydraulic motor (22), a rotating box (11), a drive gear (23), a rotating gear (25) and a drill tail (13). The drive gear (23) and the rotating gear (25) are arranged in the rotating box (11), and the rotating gear (25) is tightly housed on the drill tail (13). The shaft of the drive gear connects with the third hydraulic motor (22). The top of the rotating box (11) is connected to the shock excitation box (1) via symmetrically arranged guide rods (18), an upper spring (14), the shock excitation box (1) and a lower spring (24) are housed on each guide rod (18) from the top down. The flushing mechanism is housed on the drill tail (13) extending from the bottom of the rotating box (11). The impact-type hydraulic rock drilling machine has a simple structure, a large impact force, and the impact frequency and the impact force are steplessly adjustable.</p> |
