Title:
OPERATION STATE RECORDING DEVICE OF CONSTRUCTION MACHINERY
Document Type and Number:
Japanese Patent JP2016099744
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an operation state recording device capable of facilitating grasp of a work content of a construction machinery.SOLUTION: An operation state recording device comprises: an operation signal determination device 57c for determining an operation signal; a non-operation time calculation device 57d for calculating a non-operation time Ti; a travel independent operation time calculation device 57e for calculating a travel independent operation time Tt' in which only a travel operation signal St is input; a work revolving operation time calculation device 57l for calculating a work revolving operation time Tfs in which only the work operation signal St and revolving operation signal Ss are input; a work independent operation time calculation device 57f for calculating a work independent operation time Tf' in which only the work operation signal Sf is input; a work determination device 63c for determining a work content, based on the non-operation time Ti, travel independent operation time Tt', work revolving operation time Tfs, and work independent operation time Tf'; and a storage device 62 for storing time of each work content.SELECTED DRAWING: Figure 5
More Like This:
Inventors:
ADACHI HIROYUKI
OGURA HIROSHI
MATSUDA FUJIO
TANAKA YASUO
OGURA HIROSHI
MATSUDA FUJIO
TANAKA YASUO
Application Number:
JP2014235078A
Publication Date:
May 30, 2016
Filing Date:
November 19, 2014
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
G07C3/00; E02F9/20; E02F9/26
Domestic Patent References:
| JPH1060948A | 1998-03-03 | |||
| JP2013161192A | 2013-08-19 | |||
| JP2000204606A | 2000-07-25 | |||
| JP2004046550A | 2004-02-12 |
Attorney, Agent or Firm:
Kaichi International Patent Office