SHIELD CANOPY FOR A SHIELD-TYPE SUPPORT

SHIELD CANOPY FOR A SHIELD-TYPE SUPPORT

A shield canopy for a shield-type support for underground mining having a canopy plate and a supporting structure being welded on below the canopy plate and having a plurality of longitudinal spars which extend from a rear canopy region up to a front canopy region. At least two of the longitudinal s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HENGSTLER, STEFAN, HAHN, DETLEF, DEHMEL, DENNIS
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:A shield canopy for a shield-type support for underground mining having a canopy plate and a supporting structure being welded on below the canopy plate and having a plurality of longitudinal spars which extend from a rear canopy region up to a front canopy region. At least two of the longitudinal spars having section struts which are provided with a top section flange and a web running perpendicularly to the top section flange, and the canopy plate and the section struts are angled upwards in the front canopy region.