Full-cut heading machine

Details Full-cut heading machine Full-cut heading machine

E - Fixed Constructions

21

D

E21D 9/11 (2006.01)

Patent

CA 2663645

In a full-cut heading machine with a drilling head (1) for hard rock that is rotatably mounted about an axis of rotation (6) extending in the heading direction, and with downstream extraction tools (5) for producing a floor which is widened in the floor region, the downstream extraction tools (5) are arranged on the lateral surface and, if appropriate, the end sides of rollers (3, 4) which are rotatably mounted transversely to the axis of rotation (6) of the drilling head (1).

L'invention concerne une machine à forer des tunnels en pleine section, comprenant une tête de forage (1) pour pierres dures montée de manière rotative autour d'un axe de rotation (6) s'étendant dans la direction de creusement ainsi que des outils d'abattage (5) montés en aval pour obtenir un étage élargi dans la zone d'étage. Les outils d'abattage (5) montés en aval sont disposés sur l'enveloppe et le cas échéant sur les faces frontales de cylindres (3, 4) montés de manière rotative transversalement à l'axe de rotation (6) de la tête de forage (1).

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