Auxiliary tool for replacing packing and lifting rope

An auxiliary tool for replacing a packing and a lifting rope comprises an upper cross arm, a lower cross arm, a vertical support, reinforcing ribs and a jackscrew and is characterized in that the vertical support is arranged between the right ends of the upper cross arm and the lower cross arm, the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MENG DEJUAN, WANG XIULIN, ZHANG HONG, WANG DAIAN, ZHAO XIAOLONG, DENG MIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HAND TOOLS MANIPULATORS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!