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Patent Searching and Data


Title:
WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/208974
Kind Code:
A1
Abstract:
A work machine that allows for reduction of the burden on an operator when setting an entry-prohibited region surface in region restriction control. Thus, a main controller 21: calculates target position information of an entry-prohibited region surface on the basis of operation information of a console switch 11 or a monitor operation device 12; determines, on the basis of the target position information of the entry-prohibited region surface, whether a distance r1 between a target position M of the entry-prohibited region surface and a turning center O of an upper turning body 102 is greater than a threshold set on the basis of a distance r2 from the turning center O of the upper turning body 102 to a rear end of the upper turning body 102; and, if the distance r1 is greater than the threshold, validates the target position information of the entry-prohibited region surface and sets the entry-prohibited region surface at the target position M.

Inventors:
MORIKAWA MASATOSHI (JP)
NISHIKAWA SHINJI (JP)
TANAKA HIROAKI (JP)
Application Number:
PCT/JP2021/041423
Publication Date:
October 06, 2022
Filing Date:
November 10, 2021
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
E02F3/43; E02F9/24; E02F9/26
Foreign References:
JP2020041388A2020-03-19
JP2020143449A2020-09-10
JPH04136324A1992-05-11
JPH02308018A1990-12-21
JPH04136324A1992-05-11
Attorney, Agent or Firm:
KAICHI IP (JP)
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