Title:
【発明の名称】削岩装置における送給梁の位置測定および/または削岩機の位置測定装置
Document Type and Number:
Japanese Patent JPH08501360
Kind Code:
A
Abstract:
PCT No. PCT/FI93/00335 Sec. 371 Date Feb. 24, 1995 Sec. 102(e) Date Feb. 24, 1995 PCT Filed Aug. 25, 1993 PCT Pub. No. WO94/06999 PCT Pub. Date Mar. 31, 1994An arrangement for measuring the position of a feed beam (1) in a rock drilling apparatus relative to a cradle (4) therein, or measuring the position of a rock drill (3) relative to the feed beam (1). In the arrangement an inelastic, flexible cogged belt (6; 13) is fixed to the feed beam (1) to the surface thereof, the cogged belt (6; 13) being installed to turn about the gear (9; 15) of a resolver mounted in a cradle (4) or movably with the rock drill (3), so that when the feed beam (1) moves relative to the cradle or when the rock drill (3) moves relative to the feed beam (1), the cogged belt (6; 13) rotates the gear (9; 15) of the resolver, and the resolver measures the position of the feed beam (1) or the rock drill (3) respectively.
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Inventors:
Heiskanen, Pecca
Remeti, Pauli
Matthew Rissenen
Remeti, Pauli
Matthew Rissenen
Application Number:
JP50782094A
Publication Date:
February 13, 1996
Filing Date:
August 25, 1993
Export Citation:
Assignee:
Thamrock Oy
International Classes:
E21B7/02; E21B15/00; E21B19/08; E21B45/00; E21B47/04; G01B7/02; (IPC1-7): E21C11/00
Attorney, Agent or Firm:
Tadashi Hagino (3 outside)