Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
岩石掘削における位置誤差を補正する方法
Document Type and Number:
Japanese Patent JP4460168
Kind Code:
B2
Abstract:
The invention relates to and a rock drilling equipment. The rock drilling equipment comprises a carrier (1), a boom (4) attached turnable about joints (2,3,6.7) in relation to the carrier, a rock drill (10) attached turnable to the other end of the boom (4), joint sensors indicating the positions of the various boom joints, and control devices for controlling the boom to the drilling position for drilling a hole. The rock drilling equipment includes a memory device. The memory device is adapted to store the deviations between the true position of the boom (4) and the theoretical position calculated on the basis of the joint sensor values as a function of the turning angle (±) of at least one boom joint. A calculating device is provided for correcting the boom position on the basis of the deviations stored in the said memory device and corresponding to the value indicated by the joint sensor of the said joint.

Inventors:
Cougan, John
Heiccola, Yussi
Sanerma, Simo
Application Number:
JP2000587042A
Publication Date:
May 12, 2010
Filing Date:
December 07, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Sandvik Intellectual Property Actie Borag
International Classes:
E21B15/00; E21B7/02; E21B15/04; E21B19/08; E21B44/00; E21B44/02
Domestic Patent References:
JP61254792A
JP63091589U
JP5156886A
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Masaya Nishiyama