Torque multiplier for roof anchor rod

The utility model relates to a torque multiplier for a roof anchor rod. By the torque multiplier, the problem of deficiency of a high-torque construction device which is suitable for the construction of coal mine anchor rods is solved. According to the torque multiplier, a seal and a torque limit de...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI ZONGTAO, SU HAI, QIN WEI, GU MINGYAN, WANG LIGANG, CHEN LIDONG, WANG YU, WANG MINGZHI, TIAN JIHONG, XING NINGJIANG, ZHANG JINLIANG, ZHAO XIAOCHEN, LIU DALIANG, WANG GUOPING, WANG RUI, BAI YANNAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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