Iron roughneck main clamp spinner hydraulic loop, hydraulic control system and iron roughneck

The utility model provides an iron roughneck main tong spinner hydraulic loop, a hydraulic control system and an iron roughneck, and relates to the technical field of petroleum machinery, the iron roughneck main tong spinner hydraulic loop comprises a first hydraulic motor, a second hydraulic motor,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HE BO, FAN DAOPING, ZHANG TAO, CHEN MINGKAI, CAO XIANLI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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