Title:
WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/114220
Kind Code:
A1
Abstract:
Provided is a work machine that precisely calculates the weight of a load. A work machine comprising a lower traveling body, an upper turning body installed on the lower traveling body via a turning mechanism, at attachment having at least a boom and attached to the upper turning body, a boom cylinder that drives the boom, a work tool attached to the attachment, and a control unit, wherein the control unit has a weight calculation unit that measures the weight of a load to be carried with the work tool on the basis of the boom cylinder pressure of the boom cylinder, and a vibration suppression control unit that generates a command for suppressing the vibration of the attachment.
More Like This:
| JP7152968 | hydraulic excavator drive system |
| JP6555592 | Work vehicle |
Inventors:
HIRANUMA KAZUNORI (JP)
Application Number:
PCT/JP2021/043852
Publication Date:
June 02, 2022
Filing Date:
November 30, 2021
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
E02F9/22; B66C13/16; E02F9/26; G01G19/10
Domestic Patent References:
| WO2018180555A1 | 2018-10-04 | |||
| WO2016002850A1 | 2016-01-07 |
Foreign References:
| JP2018145754A | 2018-09-20 | |||
| JP2020165268A | 2020-10-08 | |||
| JP2019167731A | 2019-10-03 | |||
| JP2011201678A | 2011-10-13 | |||
| JP2020198907A | 2020-12-17 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
Download PDF: