Rapid filling device of packing for wellhead of oil pumping machine

The utility model discloses a rapid filling device of packing for a wellhead of an oil pumping machine, comprising a rotating body, packing pressing teeth and a rotating handle, wherein an opening is formed on the side wall of the rotating body and communicated with a polish rod hole in the centre o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QI ZHANHONG, JIN ZHANZHONG, HE WEIDONG, WANG HAISHI, XU YADONG, FU DEJUN, YANG LIHONG, YANG LIPING, MO GUANGMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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