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    • 10. 发明申请
    • Hydraulic control apparatus for work machines
    • 工作机液压控制装置
    • US20050205272A1
    • 2005-09-22
    • US11000405
    • 2004-12-01
    • Kazuyuki SuzukiTakeshi Takaura
    • Kazuyuki SuzukiTakeshi Takaura
    • E02F3/84E02F3/85E02F9/22
    • E02F9/2228E02F3/844E02F9/2235E02F9/2285
    • A hydraulic control apparatus which is used in order to prevent the blade from falling over on the pitch back side during a dual tilting operation, and to operate the left and right tilting cylinders in a uniform manner even in case where there is a large difference in the load pressure between the left and right tilting cylinders. In cases where it is desired to perform a dual tilting operation, the operator moves the operating lever either leftward or rightward while pressing the dual tilting switch of the operating lever. As a result of the switch being pressed, an electrical control signal that places the flow-combining/flow-dividing switching valve or flow-combining/flow-dividing valve in the flow-dividing position is generated by the controller, and the electrical control signal is output to the flow-combining/flow-dividing switching valve so that the flow-combining/flow-dividing switching valve or flow-combining/flow-dividing valve is switched to the flow-dividing position.
    • 一种液压控制装置,其用于在双重倾斜操作期间防止叶片在后倾侧上落下,并且即使在差异较大的情况下也以均匀的方式操作左右倾斜滚筒 左右倾斜缸之间的负载压力。 在需要执行双倾斜操作的情况下,操作者在按压操作杆的双倾斜开关的同时向左或向右移动操作杆。 作为开关被按压的结果,通过控制器产生将流量合流/分流切换阀或流动组合/分流阀放置在分流位置的电气控制信号,并且电气控制 信号被输出到流动组合/分流切换阀,使得流动组合/分流切换阀或流动组合/分流阀切换到分流位置。