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    • 1. 发明公开
    • Hydraulic hammering apparatus
    • 液压锤击装置
    • EP0040811A1
    • 1981-12-02
    • EP81103874.4
    • 1981-05-20
    • Suzuki, Tomio
    • Suzuki, Tomio
    • E02D7/10E02D11/00
    • E02D7/10E02D11/00
    • An apparatus with an upwardly open fluid chamber (2), which is accomodated in a vertically movable manner within a longitudinal cylinder (1) having a weight holding portion formed on the upper part of its top plate (5); the back of the top plate (5) of the cylinder is sealingly connected with the opening of the fluid chamber by means of a diaphragm; water jet heads (4) (27) are provided oppositely to each other at the back of the top plate of the cylinder and the surface of the bottom plate of the fluid chamber respectively, said water jet heads being arranged to approach or space from each other in accordance with the vertical motion of the fluid chamber; and a hammering element (21) is located between these water jet heads such that the upper and lower end parts of said element are sealingly fitted on or detached from the respective water jet heads.
    • 一种具有向上敞开的流体腔室(2)的装置,该流体腔室可竖直移动地容纳在纵向圆柱体(1)内,该纵向圆柱体具有形成在其顶板(5)上部的重量保持部分; 圆筒的顶板(5)的背面通过隔膜与流体室的开口密封连接; 喷水头(4)(27)分别在圆筒的顶板的后部和流体室的底板的表面上彼此相对地设置,所述喷水头布置成彼此接近或间隔开 其他根据流体室的垂直运动; 并且在这些喷水头之间设置一个锤击元件(21),使得所述元件的上端部分和下端部分密封地安装在相应的喷水头上或与其分开。