Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/276421
Kind Code:
A1
Abstract:
Provided is a construction machine with which a decrease in excavation work efficiency can be suppressed while suppressing an increase in excavation resistance during excavation work. A controller (50) of a construction machine (10) determines an accommodation state of earth and sand accommodated in a bucket (6), and, in accordance with the result of the determination of the accommodation state, outputs a resistance reduction command signal, which is a command signal for causing a working device (3) to operate such that the bucket (6) is displaced in a resistance reduction direction (D2, D3, D4), being a direction in which an excavation resistance acting on the bucket (6) can be reduced.
Inventors:
HASHIMOTO RYOTA
SHIMAZU YASUHIKO
OKIMOTO SHO
SHIMAZU YASUHIKO
OKIMOTO SHO
Application Number:
PCT/JP2022/018376
Publication Date:
January 05, 2023
Filing Date:
April 21, 2022
Export Citation:
Assignee:
UNIV HIROSHIMA (JP)
KOBELCO CONSTR MACH CO LTD (JP)
KOBELCO CONSTR MACH CO LTD (JP)
International Classes:
E02F3/43; E02F9/22
Domestic Patent References:
| WO2017047695A1 | 2017-03-23 |
Foreign References:
| JP2017172316A | 2017-09-28 | |||
| JPS62160325A | 1987-07-16 | |||
| JP2011252338A | 2011-12-15 | |||
| JP2013253436A | 2013-12-19 | |||
| JPH0881977A | 1996-03-26 | |||
| JPS62160325A | 1987-07-16 |
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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