Automatic unloading device capable of preventing hydraulic bracket from self-descending

The utility model provides an automatic unloading device capable of preventing a hydraulic bracket from self-descending, belonging to the technical field of underground supporting equipment used in coal mines. The automatic unloading device is used for reducing the pressure of a main liquid return s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHOU FEILONG, WANG CHUNPO, LIU ZHANGLIANG, YAN WEIZHONG, CAO BAOCHUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!