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    • 7. 发明申请
    • LOADER WORKING DEVICE
    • WO2019144924A1
    • 2019-08-01
    • PCT/CN2019/073111
    • 2019-01-25
    • GUANGXI LIUGONG MACHINERY CO., LTD.
    • YANG, JinxiaLIN, MingzhiXIAO, XuanWAGNER, Edward
    • E02F3/28
    • A loader working device for solving the problem of more parts and difficult arrangement of the part used in a vertical lifting mechanism of existing loader. The loader working device comprises an accessory, an accessory overturning mechanism, and an accessory lifting mechanism including a movable arm (2), a movable arm oil cylinder (4), a front link rod (6) and a rear link rod (5). Two ends of the movable arm oil cylinder (4) are correspondingly hinged to a point A on the movable arm (2) and a point B on a front frame (3). A front end of the front link rod (6) is hinged to a point C on a support of the front frame (3), and a rear end is hinged to a point D on the movable arm (2). Two ends of the rear link rod (5) are hinged to a point E at a rear end of the movable arm (2) and a point F on the front frame (3). A convex quadrilateral is formed by connecting lines of the hinge points A, E, F and D. The connecting lines of the hinge points C, E and D form a triangle. The point D is located below the connecting line of the point C and the point E. The accessory lifting mechanism does not cause the accessory to interfere with a rocker arm (10) and a front axle package, and a connecting and mounting point of the movable arm (2) and the accessory can be moved backwardly, thus being beneficial to improving a digging force and a tilting load at a low position of the working device.