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    • 3. 发明公开
    • FRONT LIFTING DEVICE FOR A WORK MACHINE AND A WORK MACHINE
    • 工作机器和工作机器的前提升装置
    • EP3305051A1
    • 2018-04-11
    • EP17194359.0
    • 2017-10-02
    • LH Lift Oy
    • VIIKKI, Timo
    • A01B63/108
    • A01B63/108B62D49/02
    • The invention relates to a front lifting device (10) of a work machine (28), which includes a support frame (12), by which the front lifting device is to be attached to the chassis (32) of the work machine, a rotating frame (24) fitted to the support frame rotatably in the horizontal direction, a first and a second lifting arm (16.1, 16.2) at a distance from each other laterally pivoted to the rotating frame by means of horizontal pivots (37) in order to permit the vertical movement of the lifting arms, first operating devices (48) for rotating the rotating frame, second operating devices (48) connected to the lifting arms in order to lift the lifting arms, and control means (11) for controlling the operating power to the first and second operating devices. The first and second operating device (48) for operating the lifting arms and rotating the rotating frame are together a first and second hydraulic cylinder (18.1, 18.2), of which the first hydraulic cylinder is connected between the support frame and the first lifting arm, and the second hydraulic cylinder is connected between the support frame and the second lifting arm. The control means include a set of valves (52), which is arranged to direct the operating power optionally either in parallel to the first and second hydraulic cylinders or crosswise to at least one hydraulic cylinder. In addition, the invention also relates to a work machine (28) equipped with a front lifting device (10).
    • 本发明涉及一种作业机械(28)的前部提升装置(10),其包括支撑框架(12),通过该支撑框架前部提升装置将被附接到作业机器的底盘(32), 以可旋转的方式沿水平方向装配到所述支撑框架上的第一和第二提升臂(16.1,16.2),所述第一和第二提升臂(16.1,16.2)通过水平枢轴(37)沿横向枢转到所述旋转框架 以允许升降臂的垂直运动;用于旋转框架的第一操作装置(48);连接到升降臂以提升升降臂的第二操作装置(48);以及控制装置(11),用于控制 向第一和第二操作装置供电。 用于操作提升臂并转动旋转框架的第一和第二操作装置(48)一起是第一和第二液压缸(18.1,18.2),其中第一液压缸连接在支撑框架和第一提升臂 ,并且第二液压缸连接在支撑框架和第二提升臂之间。 所述控制装置包括一组阀(52),所述一组阀布置成将所述操作动力任选地平行于所述第一和第二液压缸或者与至少一个液压缸交叉地引导。 此外,本发明还涉及配备有前部提升装置(10)的作业机械(28)。
    • 8. 发明授权
    • WORKING VEHICLE WITH CABIN
    • 作业车带小屋
    • EP2060475B1
    • 2012-03-07
    • EP07706734.6
    • 2007-01-15
    • Yanmar Co., Ltd.
    • FUJIKI, Katsumi
    • B62D27/06B62D49/00
    • B62D33/06A01B51/026B62D25/10B62D49/02
    • A working vehicle with a cabin, in which, to lift a cabin (7) upward, a lift arm (115) of a hydraulic lifting mechanism (20) can be easily connected to a cabin (7). The working vehicle has a travel body (2) having an engine (5) mounted on it, the cabin (7) having an operation seat (8) for an operator, a steering wheel (9), etc., a link mechanism (21) for connecting a working section to the travel body (2), the hydraulic lifting mechanism (20) for lifting the working section connected to the link mechanism (21) off the ground, and a lifting rod (116) for detachably connecting the lifting arm (115) of the hydraulic lifting mechanism (20) and the link mechanism (21). A cabin support body (183) is placed at the lower end of the front of the cabin (7). The hydraulic lifting mechanism (20) is placed below the rear of the cabin (7). The upper face side of the hydraulic lifting mechanism (20) is opened by rotating the cabin (7) about the cabin support body (183). The working vehicle has a projection body (192) engaging the cabin (7) from below, and the projection body (192) is detachably connected to the lifting arm (115).