Double flow divider of top drive drilling machine

• Main Authors: DENG RUBING, LIN ZONGHUI, ZHANG JIAMING, ZHU LEI
• Format: Patent
• Language: Chinese; English
• Published: 19.12.2023
• 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 invention relates to the technical field of drilling machine equipment, provides a double flow divider of a top drive drilling machine, and solves the technical problem that an existing flow divider is high in maintenance and cleaning frequency due to blockage. The separator comprises a main shaft, an outer sleeve and a flow dividing connector, the main shaft is provided with a liquid guide blind hole, a liquid guide through hole and an air guide through hole, and a first counter bore and a second counter bore are formed in the end of the liquid guide blind hole; the outer sleeve and the outer connecting sleeve are sleeved outside the main shaft; the outer side of the external sleeve is connected with an air inlet connector, and an air guide groove is formed in the inner side of the external sleeve. The flow dividing connector comprises a straight cylinder part and a conical part, the end of the straight cylinder part of the flow dividing connector is inserted into the second counter bore, the conical par