Working unit control system, construction machine and working unit control method

摘要

A working unit control system includes a working unit, an operating tool, a work type determining part, and a drive controlling part. The operating tool is configured to receive a user operation to drive the working unit, and to output an operation signal in accordance with the user operation. The work type determining part is configured to determine to which of a shaping work and a cutting edge aligning work a work type of the working unit corresponds based on the operation signals. The drive controlling part configured to move the bucket along a designed surface when the work type corresponds to the shaping work, the drive controlling art being configured in a predetermined position set with reference to the designed surface when the work type corresponds to the cutting edge aligning work, the designed surface indicating a target shape of an excavation object.

主权项

1. A working unit control system comprising:
a working unit including a boom rotatably attached to a vehicle main body, an arm rotatably attached to the boom, and a bucket rotatably attached to the arm; an operating tool configured to receive a user operation to drive the working unit, the operating tool being configured to output an operation signal in accordance with the user operation, the operating tool including an arm operating lever configured to receive the user operation to drive the arm; a work type determining part configured to determine that a work type of the working unit corresponds to a shaping work when an arm operation signal outputted in response to an operation of the arm operating lever for operating the arm is included in the operation signal, the work type determining part configured to determine that the work type of the working unit corresponds to a cutting edge aligning work when the arm operation signal is not included in the operation signal; and a drive controlling part configured to operate the working unit in a shaping mode when the work type determining part determines that the work type corresponds to the shaping work and operate the working unit in a cutting edge aligning mode when the work type determining part determines that the work type corresponds to the cutting edge aligning work, the drive controlling part being configured to automatically move the bucket along a designed surface when the working unit is operated in the shaping mode, the drive controlling part being configured to automatically stop the bucket in a predetermined position set with reference to the designed surface when the working unit is operated in the cutting edge aligning mode, the designed surface indicating a target shape of an excavation object.