Damping connection for drilling load of drilling rig for groundwater development

• Main Authors: CHOI, BYUNG JIN, LEE, KWANG SUB
• Format: Patent
• Language: English; Korean
• Published: 11.10.2018
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The present invention relates to a damping device to connect a drilling rod of a drilling machine for groundwater development, comprising: a gear box having a rotary shaft for rotating the drilling rod installed to be able to rotate; a hydraulic motor fixed and installed to the upper surface of the...