drilling rigs good pipe clean and routine demolition of maintenance work, the machines are often in good working condition, and drill rig for sale should always pay attention to add oil, non-oil-free

drilling rigs should propeller placed in the drilling location, the front arrived on the rock, careful manipulation of the rock drilling machine moves forward, the hydraulic drilling rigs bitact with

drilling rigs slewing mechanism on a regular basis. gear plus the column high temperature grease; regularly check the oil level in the lubricating oil tank, remove dirt and impurities in the fuel tank

In fact, not only is required for different rock drill three screw tightening torque, even if it is the same rock drill three long screw tightening torque required will also vary with the time ch

Improved design of the KG series hydraulic rock drill, hydraulic rock drill YYG50 design and underground industrial test results were analyzed and put forward measures designed to improve in

hydraulic drilling rig Of the large number of small and medium-sized mining and general construction is still commonly used in high energy consumption, low efficiency of rock breaking, wearing parts,

The hydraulic drilling rig rock machine works with high-pressure oil powered piston shock Qianzai, with independent a rotating mechanism Zaoyanjixie of. (Also whether the drill rig valve is controlled

Hydraulic water well truck rock drill impact reciprocating piston in the high-frequency, high-speed conditions, the seal is not good, not only will cause a sharp drop in impact energy, will lead

manufacturing quality is difficult to guarantee: high-frequency impact of hydraulic rock drill is achieved through the internal oil distribution valve to change into the oil before and after the