Title:
WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/070577
Kind Code:
A1
Abstract:
In the present invention, controllers (31, 131) of a hydraulic shovel (1) output, to drive units (17, 44), drive signals (s1, s2, s3) for imparting, to a work machine control lever (150), a right work machine control lever (160), and a running lever (140), motion corresponding to operation of: hydraulic cylinders (10, 11, 12); a swing motor (5a) of a swinging cab (5); and running devices (4a, 4b). When the motion of the left work machine control lever (150), the right work machine control lever (160), or the running lever (140) operated by an operator differs from motion corresponding to the operation of the hydraulic cylinders (10, 11, 12), the swing motor (5a) of the swinging cab (5), or the running devices (4a, 4b), the controllers (31, 131) output control signals (s7', s8', s9') on the basis of the motion of the left working machine control lever (150), the right working machine control lever (160), or the travelling lever (140), as operated by the operator.
Inventors:
KATOH MASASHI (JP)
KOBAYASHI YUUKI (JP)
KUBOTA KEISUKE (JP)
KOBAYASHI YUUKI (JP)
KUBOTA KEISUKE (JP)
Application Number:
PCT/JP2020/034853
Publication Date:
April 15, 2021
Filing Date:
September 15, 2020
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
E02F9/20; E02F9/26
Domestic Patent References:
| WO2018131063A1 | 2018-07-19 |
Foreign References:
| JPH02225727A | 1990-09-07 | |||
| JPH01318621A | 1989-12-25 | |||
| JPH05222745A | 1993-08-31 | |||
| JP2018021426A | 2018-02-08 | |||
| JP2019108721A | 2019-07-04 | |||
| JPH06280282A | 1994-10-04 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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