Drilling top drive rotating head

• Main Authors: SUN WEINA, SHEN HUAIPU, ZANG CHENKUN, YANG YUMENG, SONG ZHILIANG, XUE SHANZHONG, HUANG JIANGTAO, HUANG DONGSHUAI, YU TIANGE
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2023
• 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 utility model relates to the technical field of petroleum drilling, in particular to a drilling top drive rotating head. The drilling top drive rotating head comprises a fixing shaft, a rotating shell, a driven gear, a driving mechanism, a reverse twisting disc and a locking mechanism, the reverse twisting disc comprises a fixing part and a connecting part which are connected, the locking mechanism comprises a locking oil cylinder and a locking pin, the connecting end of an oil cylinder rod of the locking oil cylinder is of a spherical structure, and a ball socket connected with the spherical structure in a matched mode is arranged in the locking pin. When the locking mechanism works, the oil cylinder rod drives the locking pin to move up and down to be inserted into the positioning hole of the driven gear so as to enable the driven gear to stop rotating, the connecting end of the oil cylinder rod is of a spherical structure, a matched ball socket is arranged in the locking pin, and the spherical structur