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    • 1. 发明申请
    • HYDRAULIC PERCUSSIVE DEVICE
    • 液压避震装置
    • WO1996019323A1
    • 1996-06-27
    • PCT/EP1995004128
    • 1995-10-21
    • DRAGO ENGINEERING AGWÜTHRICH, Werner
    • DRAGO ENGINEERING AG
    • B25D09/14
    • B25D9/145
    • The hydraulic percussive device has a housing (1) consisting of a spring-action section (2), a percussion section (3) and a tool section (4). The free-floating percussive piston (40) in the percussion section (3) on its return travel strikes a tappet (24) mounted in the spring-action section (2) and projecting into a hollow chamber (8) filled with spring-action fluid. The compression of the spring-action fluid gives the percussive piston (40) the energy for the percussive work. The use of a fluid as means of spring action makes possible a reliable sealing of the tappet (24) and thus a constant striking power of the percussive device.
    • 所述的液压冲击装置包括壳体(1)由一个弹簧件(2),击打部分(3)和一个工具部分(4)。 打击部件(3)自由飞行冲击活塞(40)的部分(2)的返回到弹簧抵接时的安装柱塞(24),其伸入到填充有弹簧流体腔的容器(8)。 由于弹簧流体的压缩的冲击活塞(40)被提供用于冲击能量的功率。 作为弹簧装置使用液体的使冲头(24),从而冲击装置的连续恒定冲击功率的可靠密封。