System for monitoring the movement of a cutting tool of a tunnel

Details System for monitoring the movement of a cutting tool of a tunnel System for monitoring the movement of a cutting tool of a tunnel

1981-04-20

1983-11-01

Purser, Ernest R.

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Of hard material disintegrating machine

E21D 910

Patent

active

044127006

ABSTRACT:
The system for monitoring the movement of a cutter arm and of the cutting tools rotatably mounted on said cutter arm in a tunnel-driving machine comprises a receiver (13), which has a sighting device (14) that is mounted to be displaceable and pivotally movable transversely to the longitudional axis of the tunnel-driving machine. The movement of the receiver (13) to a position in alignment with a guide beam (3) is transmitted to a simulator, which contains a model (62) of the desired profile and in which a three-dimensional scale model (54) of the cutting tool is mounted to be pivotally movable and displaceable analogously to the receiver (13) (FIGS. 4 to 11).

REFERENCES:
patent: 4023861 (1977-05-01), Schnell
patent: 4027210 (1977-05-01), Weber

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