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Patent Searching and Data


Title:
作業機械
Document Type and Number:
Japanese Patent JP7328918
Kind Code:
B2
Abstract:
In the present invention, a hydraulic shovel comprises: a multijoint front work implement including rotatably connected front members; rotation actuators that respectively drive the plurality of front members on the basis of a driving signal; a turning actuator that drives to turn an upper turning body on the basis of a driving signal; and a controller that executes area restriction control, the controller corrects the driving signal for driving the rotation actuators and the driving signal for driving the turning actuator such that a work tool connected as one of the front members at the tip of the front work implement moves in a work tool moving direction, which is a preset moving direction along a work target surface for the work tool. This improves work accuracy in a work machine provided with a rotary tilt bucket.

Inventors:
Tetsushi Nakamura
Shiwaku Koji
Shinya Imura
Application Number:
JP2020034090A
Publication Date:
August 17, 2023
Filing Date:
February 28, 2020
Export Citation:
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Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
E02F3/43; E02F9/22
Domestic Patent References:
JP2019503443A
JP10259619A
Foreign References:
WO2016158779A1
WO2016052762A1
Attorney, Agent or Firm:
Patent Attorney Corporation Kaichi