Boom positioning apparatus for rock drill

Details Boom positioning apparatus for rock drill Boom positioning apparatus for rock drill

1986-04-23

1987-10-06

Roskoski, Bernard

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318632, 364513, 364170, 173 43, G05B 1910

Patent

active

046985700

ABSTRACT:
A boom positioning apparatus for a rock drill, including a boom mounted with a drilling apparatus, an input device for determining, as set values expressed in a rectangular coordinate system, positions and directions of a number of drilling points formed on a drilling plane disposed immediately in front of a facing so as to transform the set values into values expressed in a coordinate system defined with respect to the boom, respectively, a compensating device for adding compensation values to the set values such that actual drilling positions are located at normal positions of the drilling points, respectively, a boom positioning servo control device, a feedback device for feeding displacement amounts of the boom back to the boom positioning servo control device and a control unit for controlling the drilling apparatus.

REFERENCES:
patent: 4113033 (1978-09-01), Lindblad
patent: 4140953 (1979-02-01), Dunne
patent: 4240511 (1980-12-01), Mashimo
patent: 4362977 (1982-12-01), Evans
patent: 4362978 (1982-12-01), Pollard
patent: 4511985 (1985-04-01), Inaba
patent: 4514796 (1985-04-01), Saulters
patent: 4517653 (1985-05-01), Tsuchihashi
patent: 4530062 (1985-07-01), Inaba
patent: 4542794 (1985-09-01), Bjor
patent: 4594670 (1986-06-01), Itoh
patent: 4595989 (1986-06-01), Yasukawa

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