| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hydraulic device for a working vehicle capable of accurately controlling an oil quantity, and capable of using a flow control means in common even when a required oil quantity is different. <P>SOLUTION: This hydraulic device 1 for the working vehicle includes a pump 120 for supplying a hydraulic fluid to an actuation control valve 300 for controlling hydraulic fluid pressure of hydraulic actuators C1-C6, and includes a flow rate control valve 220 arranged in an oil passage for supplying the hydraulic fluid to the actuation control valve from a hydraulic pump and bleeding off a flow rate of a predetermined flow rate or more, and a variable throttle mechanism 210 arranged between the flow rate control valve and the actuation control valve and capable of adjusting the oil quantity. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
