| 摘要 |
PROBLEM TO BE SOLVED: To provide an attachment control device of a hydraulic shovel, which can prevent troubles and reduction in lifetime of the attachment and other hydraulic equipment when an operator forgets to switch from a normal mode to an attachment mode and operates the attachment. SOLUTION: The attachment control device of a hydraulic shovel has a hydraulic circuit equipped with a hydraulic pump 3, a plurality of actuators including a breaker 110 which is an actuator for the attachment, and a plurality of flow control valves including a flow control valve B4 for the attachment which is switched by an operation pilot pressure from an operation pedal device 7 and supplies discharge oil of the hydraulic pump 3 to the actuator for the attachment. When the operation pedal device 7 is operated in a state where the attachment mode is not selected by an attachment selecting device 20, the operation of the actuator for the attachment is restrained. COPYRIGHT: (C)2011,JPO&INPIT
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