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FORCIBLY ENERGISED BIHARMONIC DAMPER

机译:强制通电的生物阻尼器

摘要

The handheld power tool (1) comprises a pneumatic striking mechanism (12), which has a striking piston (15) for linearly moving a tool (6) in a striking direction (9) and an excitation piston (14) for exciting the striking piston (15), a drive device (17), which is coupled to the excitation piston (14) in order to shift it from a first dead center (TP1) to a second dead center (TP2) and vice versa, a vibration damper (26), a damper body (27) and one with has a spring element (32, 33) coupled to the absorber body (27), and a coupling device (31), the coupling device (31) being set up to couple the drive device (17) to the absorber body (27) when the exciter piston ( 14) from the first dead center (TP1) to the second dead center (TP2) in order to pretension the spring element (32, 33), and wherein the coupling device (31) is set up to separate the drive device (17) from the absorber body (27) to decouple if or immediately before a distance (a) between the excitation piston (14) and the percussion piston (15) is minimal, so that the prestressed spring element (32, 33) shifts the damper body (27) in the direction of impact (9).
机译:手持式工具机(1)包括气动打击机构(12),其具有用于沿打击方向(9)线性移动工具(6)的打击活塞(15)和用于激励打击的激励活塞(14)。活塞(15)是驱动装置(17),该驱动装置与激励活塞(14)相连,以便将其从第一死点(TP1)移到第二死点(TP2),反之亦然,是减振器(26),减震器主体(27)以及具有与减震器主体(27)耦合的弹簧元件(32、33)和耦合装置(31),该耦合装置(31)被设置成可耦合当激励活塞(14)从第一死点(TP1)到第二死点(TP2)时,驱动装置(17)到达吸收体(27),以预紧弹簧元件(32、33),并且其中,耦联装置(31)设置成将驱动装置(17)与减震器主体(27)分开,以便在激励活塞(14)与活塞之间的距离(a)或紧接在其之前(a)解耦冲击活塞(15)最小,因此,预应力弹簧元件(32、33)使减震器主体(27)沿冲击方向(9)移动。

著录项

  • 公开/公告号EP3626398A1

    专利类型

  • 公开/公告日2020-03-25

    原文格式PDF

  • 申请/专利权人 HILTI AKTIENGESELLSCHAFT;

    申请/专利号EP20180195468

  • 发明设计人 GEIGER STEFFEN;

    申请日2018-09-19

  • 分类号B25D17/24;B25D11/12;

  • 国家 EP

  • 入库时间 2022-08-21 11:39:03

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