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    • 2. 发明申请
    • HYDRAULIC SYSTEM OF A TOOL
    • 工具的液压系统
    • WO2017214352A1
    • 2017-12-14
    • PCT/US2017/036481
    • 2017-06-08
    • MILWAUKEE ELECTRIC TOOL CORPORATION
    • BALLARD, JamesZIMMERMANN, IanSKINNER, LukeNORQUIST, Eric
    • B25F5/00B25B27/02B23D29/00
    • An example tool (100) includes a hydraulic actuator cylinder (108); a piston (200) slidably accommodated within the hydraulic actuator cylinder, where the piston includes a piston head (203A) and a piston rod (203B) extending from the piston head along a central axis direction of the hydraulic actuator cylinder, the piston head divides an inside of the hydraulic actuator cylinder into a first chamber (210A) and a second chamber (210B), and the piston rod is disposed in the first chamber and configured to move one or more jaws of the tool; a pump (104) configured to provide pressurized fluid; and a sequence valve (120) configured to block the pressurized fluid from flowing into the second chamber of the hydraulic actuator cylinder until pressure of the pressurized fluid exceeds a threshold pressure value.
    • 一种示例性工具(100)包括液压致动器缸(108);液压致动器缸 可滑动地容纳在液压致动器缸内的活塞(200),其中活塞包括活塞头(203A)和从活塞头沿着液压致动缸的中心轴线方向延伸的活塞杆(203B),活塞头分开 所述液压致动器缸的内部进入第一腔室(210A)和第二腔室(210B),并且所述活塞杆设置在所述第一腔室中并且构造成移动所述工具的一个或多个钳口; 配置成提供加压流体的泵(104) 和顺序阀(120),所述顺序阀(120)构造成阻止加压流体流入液压致动器缸的第二腔室中,直到加压流体的压力超过阈值压力值为止。