Title:
WORK MACHINERY
Document Type and Number:
WIPO Patent Application WO/2019/172346
Kind Code:
A1
Abstract:
A controller comprises a storage device that stores a load overflow reference value stipulated by the interrelationship of a load value for an object being worked, the orientation of a work machine, and the operation status of the work machine. The controller: calculates the orientation of the work machine; calculates a physical quantity (turning speed, for example) indicating the operation status of the work machine; infers whether a load overflow has occurred during transportation of the object being worked by the work machine on the basis of the reference value stored in the storage device, the calculated load value of the object being worked, the calculated work machine orientation, and the calculated physical quantity indicating the operation status of the work machine; and when it is determined that a load overflow has occurred, makes notification of this information with a monitor.
Inventors:
NAKAMURA SATOSHI (JP)
TOMITA KUNITSUGU (JP)
TOMITA KUNITSUGU (JP)
Application Number:
PCT/JP2019/008972
Publication Date:
September 12, 2019
Filing Date:
March 06, 2019
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
E02F9/26; G01G19/08
Domestic Patent References:
| WO2008079192A1 | 2008-07-03 |
Foreign References:
| JPH0626073A | 1994-02-01 | |||
| JP2011017204A | 2011-01-27 | |||
| JP2012229606A | 2012-11-22 | |||
| JP2013001362A | 2013-01-07 | |||
| JPS546223B2 | 1979-03-26 |
Other References:
See also references of EP 3763886A4
Attorney, Agent or Firm:
KAICHI IP (JP)
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