作業機械 - Hitachi Construction Machinery Co., Ltd.

Title:

作業機械

Document Type and Number:

Japanese Patent JP7022018

Kind Code:

B2

Abstract:

To provide a work machine which evaluates magnitude of an influence on work accuracy caused by a state of a ground surface, and can notify an operator of the magnitude thereof.SOLUTION: A hydraulic excavator 1 including a vehicle body, a front work machine 4, actuators 410, 420 and 430 and an operation lever 310 includes a control device 6 that performs control according to work accuracy of the front work machine 4, and a display device 71 and an alarm device 72 that provide notification based on a command from the control device 6, in which the control device 6 includes a ground surface state calculation part 61 calculating ground surface instability Sg, a work accuracy determination part 62 which calculates a variation amount of a tip position of the front work machine 4 using the ground surface instability Sg calculated by the ground surface state calculation part 61 and determines the work accuracy of the front work machine 4 caused by the state of the ground surface where the vehicle body is installed, and a notification generation part 63 which generates a notification command to the display device 71 and the alarm device 72 based on a determination result of the work accuracy determination part 62.SELECTED DRAWING: Figure 4

Inventors:

Mariko Mizuochi
Yohei Toriyama
Hiroshi Sakamoto

Application Number:

JP2018126113A

Publication Date:

February 17, 2022

Filing Date:

July 02, 2018

Export Citation:

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