ZLJ-250 Tunnel Drilling Rig Engineering Drilling Rig

Tunnel Drilling Rig Engineering Drilling Rig Mining Large Drilling Rig
Tunnel Drilling Rig Series Tunnel Drilling Rig Mining Water Exploration Drilling Rig

Tunnel Drilling Rig is mainly used for deep geological exploration, gas drainage, water injection and drainage, and ventilation in the tunnel. And other engineering (including spiral differential feed) and power head type (mechanical type and fully hydraulic type). The driving mode can be pneumatic, hydraulic and electric. The main components of a drilling rig include a power machine (group), a gyrator, a drilling tool pulling mechanism, and a drilling tool unscrewing device. Generally, there is no drilling tower (mast). Drilling rigs usually work on a single-leg or double-leg upright.
Tunnel drilling rigs generally have a maximum drilling depth of up to 100 mm, a hole diameter of up to 100 mm, and a borehole inclination of between 100 and 100 mm. The drilling speed can reach up to 10 revolutions per minute, the working pressure is about 100 rpm, the machine's own weight is about 10%, the overall size is small, the area is small, the operation is simple, and it is easy to use. Extremely efficient.
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