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    • 1. 发明申请
    • LIFTING DEVICE FOR USE AT A MANUAL WORK STATION
    • 提升装置在手动工作站使用
    • US20160207191A1
    • 2016-07-21
    • US14914765
    • 2014-08-26
    • LÖFS SPECIALMASKINER AB
    • Klas-Arne LOF
    • B25H1/00B25J1/12
    • B25H1/0028B25J1/12B25J19/0012
    • A lifting device includes a framework (2) and a manipulator arm (8) pivotally connected to the framework. The manipulator arm includes a first end portion (19) and a second end portion (13) adapted to carry a tool (20). A balancing arrangement (7; 30, 39) includes a first part (7a; 30a; 39a) connected to the framework and a second part (7b; 30b; 39b) adapted to interact with the first end portion. At least one of the manipulator arm and the balancing arrangement includes a first balancing device (11; 31; 34), which is extendable to ensure that interaction between the second part and the first end portion is maintained. The first balancing device is adapted to generate a first balancing force which maintains a moment balance about the first joint. The manipulator arm has at least two rotational degrees of freedom in a first spherical coordinate system (17).
    • 提升装置包括框架(2)和枢转地连接到框架的操纵臂(8)。 操纵臂包括适于承载工具(20)的第一端部(19)和第二端部(13)。 平衡装置(7; 30,39)包括连接到框架的第一部分(7a; 30a; 39a)和适于与第一端部相互作用的第二部分(7b; 30b; 39b)。 操纵器臂和平衡装置中的至少一个包括第一平衡装置(11; 31; 34),其可延伸以确保第二部分和第一端部之间的相互作用得以维持。 第一平衡装置适于产生第一平衡力,其保持关于第一关节的力矩平衡。 操纵臂在第一球形坐标系(17)中具有至少两个旋转自由度。