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    • 10. 发明公开
    • HANDWERKZEUGMASCHINE
    • EP3227056A1
    • 2017-10-11
    • EP15802103.0
    • 2015-12-01
    • Hilti Aktiengesellschaft
    • OHLENDORF, Oliver
    • B25D11/06B25D17/24
    • B25D11/062B25D17/24B25D2217/0088B25D2217/0092B25D2250/045B25D2250/245B25D2250/381
    • The invention relates to a hand-held power tool comprising a tool-receiving section (2) for holding a tool (4) on a working axis (3), a pneumatic striking mechanism (6) for striking said tool (4), and an absorber (27) which consists of a mass body (28) and a bending spring (29) arranged transversely to said working axis (3). A countershaft (11) is driven, by said motor (5), about a rotational axis (12) which runs parallel to the working axis (3). A swash drive (14) for driving the pneumatic striking mechanism (6) is arranged on said countershaft (11). In addition, a cam disc (36) is arranged on the countershaft (11) and comprises a cam (39) which projects into an advancement direction that runs parallel to said working axis (3). The bending spring (29) comprises a counterpiece (46) provided relative to the cam (39). The cam (39), lying against said counterpiece (46), preloads the bending spring (29) into the advancement direction.
    • 本发明涉及一种手持式工具机,其包括用于在工作轴(3)上保持工具(4)的工具接收部分(2),用于打击所述工具(4)的气动冲击机构(6),以及 由质量体(28)和横向于所述工作轴(3)布置的弯曲弹簧(29)组成的吸收器(27)。 所述马达(5)绕平行于工作轴线(3)延伸的旋转轴线(12)驱动副轴(11)。 用于驱动气动冲击机构(6)的斜盘驱动器(14)布置在所述副轴(11)上。 此外,凸轮盘(36)布置在中间轴(11)上并且包括凸轮(39),该凸轮沿着平行于所述工作轴线(3)延伸的前进方向突出。 弯曲弹簧(29)包括相对于凸轮(39)设置的配对件(46)。 抵靠所述对应件(46)的凸轮(39)将弯曲弹簧(29)预加载至前进方向。