Wellhead lifting nipple shackle device

The utility model relates to a wellhead lifting nipple shackle device which comprises a ground anchor vehicle clamping head, a drill rod nipple, a fixator and buckles, the ground anchor vehicle clamping head is clamped above the drill rod nipple, the fixator is arranged at the lower end of the drill...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAN ZHIGUO, HUANG TENGXUN, LI YONGGANG, ZHEN KELI, CHEN XIAOHU, XIANG YUDI, XIANG ZHENSHENG, YIN WEIWEI, DUAN SIYANG, XIANG CHUNFEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The utility model relates to a wellhead lifting nipple shackle device which comprises a ground anchor vehicle clamping head, a drill rod nipple, a fixator and buckles, the ground anchor vehicle clamping head is clamped above the drill rod nipple, the fixator is arranged at the lower end of the drill rod nipple, the buckles are arranged on the two sides of the fixator, and the ground anchor vehicle clamping head is clamped above the drill rod nipple. The buckle comprises a tooth block, a guide groove, a spring, a positioning screw, a pressing cap ejector rod and a pressing cap outer cylinder, the other end of the guide groove is provided with the spring, the spring is arranged on the inner side of the pressing cap outer cylinder and fixed through the positioning screw, the pressing cap ejector rod is arranged on the outer side of the pressing cap outer cylinder, and one end of the guide groove is provided with a tooth block device. The utility model solves the hidden dangers of fire disasters and oil well acci