Drilling car for close spaces

Details Drilling car for close spaces Drilling car for close spaces

E - Fixed Constructions

21

B

E21B 7/02 (2006.01)

Patent

CA 2671533

Drill carriage (1) for rock drilling, which is intended for cramped spaces, comprising a crawler-tread chassis (2) of at least two crawler treads (11), a superstructure (3) fitted to the crawler-tread chassis (2), and a set of booms (8). At the end of the set of booms (10) at least a drilling apparatus (19) can be attached. A front part (4), to which the set of booms (8) is fitted from the end opposite to the drilling apparatus (19), attached in front of the carrier (1), in the direction of travel of the crawler treads (11). The set of booms (8) is attached to a rotation ring (9), with the aid of which a good reach is made possible for the device.

L'invention concerne un chariot de forage (1) pour forer la roche, qui est destiné à des espaces étroits, comprenant un chassis à chenilles (2) constitué d'au moins deux chenilles (11), une superstructure (3) ajustée sur le châssis à chenilles (2), et un ensemble de bras (8). À l'extrémité de cet ensemble de bras (10) au moins un appareil de forage (19) peut être fixé. Une partie avant (4), sur laquelle l'ensemble de bras (8) est ajusté à partir de l'extrémité opposée à cet appareil de forage (19), est fixée en face du porteur (1), dans le sens de la marche des chenilles (11). L'ensemble de bras (8) est fixé à une bague de rotation (9), à l'aide de laquelle une bonne portée est rendu possible pour le dispositif.

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