Automatic bolt tightening device and workpiece machining device

The utility model discloses an automatic bolt tightening device which is arranged in a workpiece machining body and comprises a sleeve switching mechanism and an automatic constant twisting mechanism. A first adjusting end of the automatic constant-torque mechanism is connected with the workpiece ma...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU JIANG, XIANG PENG, GUO JIFANG, ZHANG FUYONG
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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