The unattended operation controller which

摘要

PROBLEM TO BE SOLVED: To sequently excavate while changing the excavation depth within the limited depth of excavation in an automatic operating shovel. ;SOLUTION: An automatic operating shovel includes a hydraulic shovel and an automatic operation controller 50 incorporated into the hydraulic shovel repeating operation making the circuit of the work from excavation to be instructed through soil-moving by repeating operation. In that case, the automatic operation controller 50 includes devices 505, 509, 510, 511 and 512 for setting the repeatable number of times of excavation with different excavation depth in correspondence with the limited depth of excavation and a device 513 capable of repeating the setting number of times of operation making the circuit of the work while deepening the excavation depth every operation making the circuit of the work in the case of repeating.;COPYRIGHT: (C)1999,JPO