High leg crawler. The high legs are convenient for loading and transportation, and can be loaded directly without a crane. Tracked walking is more suitable for muddy field movement.
The role of oil mist. Drilling on the rock is mainly based on the down-the-hole hammer drilling process. The down-the-hole hammer rock drilling has high efficiency, the lubricated impactor has a longer service life, and the drilling cost per meter is low.
Rig chassis. It can be a tracked self-propelled chassis or a vehicle-mounted self-propelled chassis.