| 摘要 |
PROBLEM TO BE SOLVED: To provide a control device for a construction machine equipped with two hydraulic pumps, capable of controlling the two hydraulic pumps when one of solenoid valves, etc. for controlling the discharge amounts of the two hydraulic pumps, respectively, fails.SOLUTION: The control device for the construction machine equipped with at least the first and second hydraulic pumps includes a first regulator for controlling the discharge amount of the first hydraulic pump, a second regulator for controlling the discharge amount of the second hydraulic pump, a first control valve for controlling the pressure of first pressure oil to be delivered to the first and second regulators, a second control valve for controlling the pressure of second pressure oil to be delivered to the first and second regulators, a first selector valve for delivering either the first or second pressure oil to the first regulator, and a second selector valve for delivering either the first or second pressure oil to the second regulator. |
